﻿<?xml version="1.0" encoding="UTF-8"?>
<Portfolio>
  <Name>@NIO - NFX PJM NO ILL HUB RT OFF PK FUTURE</Name>
  <Categories>
    <PortfolioCategory>
      <Name>Year 2016</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@NIOF16</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JAN 2016</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOG16</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE FEB 2016</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOH16</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAR 2016</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOJ16</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE APR 2016</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOK16</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAY 2016</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOM16</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUN 2016</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NION16</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUL 2016</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOQ16</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE AUG 2016</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOU16</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE SEP 2016</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOV16</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE OCT 2016</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOX16</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE NOV 2016</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOZ16</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE DEC 2016</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2017</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@NIOF17</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JAN 2017</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOG17</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE FEB 2017</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOH17</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAR 2017</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOJ17</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE APR 2017</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOK17</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAY 2017</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOM17</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUN 2017</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NION17</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUL 2017</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOQ17</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE AUG 2017</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOU17</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE SEP 2017</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOV17</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE OCT 2017</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOX17</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE NOV 2017</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOZ17</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE DEC 2017</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2018</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@NIOF18</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JAN 2018</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOG18</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE FEB 2018</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOH18</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAR 2018</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOJ18</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE APR 2018</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOK18</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAY 2018</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOM18</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUN 2018</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NION18</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUL 2018</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOQ18</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE AUG 2018</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOU18</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE SEP 2018</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOV18</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE OCT 2018</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOX18</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE NOV 2018</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOZ18</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE DEC 2018</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2019</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@NIOF19</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JAN 2019</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOG19</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE FEB 2019</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOH19</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAR 2019</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOJ19</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE APR 2019</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOK19</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAY 2019</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOM19</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUN 2019</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NION19</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUL 2019</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOQ19</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE AUG 2019</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOU19</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE SEP 2019</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOV19</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE OCT 2019</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOX19</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE NOV 2019</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOZ19</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE DEC 2019</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2020</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@NIOF20</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JAN 2020</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOG20</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE FEB 2020</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOH20</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAR 2020</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOJ20</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE APR 2020</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOK20</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAY 2020</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOM20</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUN 2020</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NION20</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUL 2020</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOQ20</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE AUG 2020</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOU20</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE SEP 2020</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOV20</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE OCT 2020</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOX20</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE NOV 2020</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOZ20</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE DEC 2020</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2021</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@NIOF21</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JAN 2021</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOG21</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE FEB 2021</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOH21</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAR 2021</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOJ21</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE APR 2021</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOK21</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAY 2021</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOM21</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUN 2021</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NION21</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUL 2021</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOQ21</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE AUG 2021</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOU21</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE SEP 2021</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOV21</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE OCT 2021</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOX21</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE NOV 2021</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOZ21</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE DEC 2021</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2022</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@NIOF22</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JAN 2022</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOG22</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE FEB 2022</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOH22</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAR 2022</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOJ22</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE APR 2022</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOK22</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAY 2022</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOM22</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUN 2022</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NION22</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUL 2022</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOQ22</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE AUG 2022</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOU22</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE SEP 2022</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOV22</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE OCT 2022</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOX22</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE NOV 2022</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOZ22</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE DEC 2022</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2023</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@NIOF23</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JAN 2023</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOG23</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE FEB 2023</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOH23</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAR 2023</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOJ23</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE APR 2023</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOK23</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAY 2023</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOM23</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUN 2023</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NION23</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUL 2023</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOQ23</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE AUG 2023</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOU23</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE SEP 2023</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOV23</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE OCT 2023</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOX23</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE NOV 2023</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOZ23</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE DEC 2023</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2024</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@NIOF24</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JAN 2024</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOG24</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE FEB 2024</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOH24</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAR 2024</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOJ24</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE APR 2024</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOK24</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAY 2024</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOM24</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUN 2024</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NION24</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUL 2024</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOQ24</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE AUG 2024</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOU24</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE SEP 2024</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOV24</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE OCT 2024</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOX24</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE NOV 2024</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOZ24</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE DEC 2024</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2025</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@NIOF25</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JAN 2025</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOG25</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE FEB 2025</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOH25</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAR 2025</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOJ25</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE APR 2025</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOK25</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAY 2025</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOM25</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUN 2025</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NION25</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUL 2025</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOQ25</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE AUG 2025</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOU25</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE SEP 2025</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOV25</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE OCT 2025</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOX25</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE NOV 2025</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOZ25</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE DEC 2025</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2026</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@NIOF26</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JAN 2026</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOG26</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE FEB 2026</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOH26</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAR 2026</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOJ26</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE APR 2026</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOK26</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAY 2026</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOM26</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUN 2026</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NION26</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUL 2026</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOQ26</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE AUG 2026</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOU26</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE SEP 2026</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOV26</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE OCT 2026</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOX26</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE NOV 2026</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOZ26</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE DEC 2026</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2027</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@NIOF27</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JAN 2027</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOG27</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE FEB 2027</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOH27</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAR 2027</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOJ27</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE APR 2027</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOK27</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAY 2027</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOM27</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUN 2027</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NION27</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUL 2027</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOQ27</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE AUG 2027</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOU27</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE SEP 2027</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOV27</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE OCT 2027</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOX27</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE NOV 2027</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOZ27</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE DEC 2027</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2028</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@NIOF28</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JAN 2028</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOG28</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE FEB 2028</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOH28</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAR 2028</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOJ28</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE APR 2028</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOK28</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAY 2028</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOM28</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUN 2028</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NION28</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUL 2028</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOQ28</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE AUG 2028</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOU28</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE SEP 2028</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOV28</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE OCT 2028</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOX28</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE NOV 2028</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOZ28</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE DEC 2028</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2029</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@NIOF29</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JAN 2029</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOG29</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE FEB 2029</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOH29</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAR 2029</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOJ29</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE APR 2029</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOK29</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAY 2029</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOM29</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUN 2029</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NION29</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUL 2029</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOQ29</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE AUG 2029</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOU29</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE SEP 2029</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOV29</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE OCT 2029</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOX29</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE NOV 2029</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOZ29</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE DEC 2029</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2030</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@NIOF30</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JAN 2030</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOG30</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE FEB 2030</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOH30</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAR 2030</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOJ30</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE APR 2030</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOK30</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAY 2030</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOM30</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUN 2030</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NION30</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUL 2030</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOQ30</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE AUG 2030</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOU30</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE SEP 2030</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOV30</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE OCT 2030</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOX30</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE NOV 2030</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOZ30</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE DEC 2030</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2031</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@NIOF31</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JAN 2031</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOG31</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE FEB 2031</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOH31</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAR 2031</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOJ31</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE APR 2031</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOK31</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAY 2031</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOM31</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUN 2031</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NION31</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUL 2031</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOQ31</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE AUG 2031</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOU31</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE SEP 2031</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOV31</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE OCT 2031</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOX31</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE NOV 2031</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOZ31</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE DEC 2031</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2032</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@NIOF32</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JAN 2032</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOG32</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE FEB 2032</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOH32</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAR 2032</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOJ32</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE APR 2032</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOK32</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAY 2032</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOM32</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUN 2032</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NION32</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUL 2032</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOQ32</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE AUG 2032</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOU32</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE SEP 2032</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOV32</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE OCT 2032</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOX32</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE NOV 2032</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOZ32</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE DEC 2032</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2033</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@NIOF33</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JAN 2033</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOG33</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE FEB 2033</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOH33</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAR 2033</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOJ33</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE APR 2033</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOK33</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAY 2033</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOM33</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUN 2033</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NION33</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUL 2033</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOQ33</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE AUG 2033</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOU33</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE SEP 2033</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOV33</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE OCT 2033</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOX33</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE NOV 2033</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOZ33</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE DEC 2033</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2034</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@NIOF34</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JAN 2034</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOG34</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE FEB 2034</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOH34</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAR 2034</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOJ34</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE APR 2034</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOK34</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAY 2034</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOM34</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUN 2034</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NION34</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUL 2034</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOQ34</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE AUG 2034</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOU34</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE SEP 2034</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOV34</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE OCT 2034</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOX34</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE NOV 2034</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOZ34</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE DEC 2034</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2035</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@NIOF35</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JAN 2035</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOG35</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE FEB 2035</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOH35</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAR 2035</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOJ35</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE APR 2035</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOK35</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAY 2035</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOM35</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUN 2035</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NION35</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUL 2035</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOQ35</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE AUG 2035</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOU35</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE SEP 2035</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOV35</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE OCT 2035</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOX35</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE NOV 2035</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOZ35</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE DEC 2035</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2036</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@NIOF36</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JAN 2036</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOG36</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE FEB 2036</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOH36</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAR 2036</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOJ36</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE APR 2036</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOK36</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAY 2036</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOM36</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUN 2036</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NION36</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUL 2036</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOQ36</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE AUG 2036</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOU36</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE SEP 2036</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOV36</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE OCT 2036</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOX36</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE NOV 2036</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOZ36</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE DEC 2036</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2037</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@NIOF37</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JAN 2037</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOG37</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE FEB 2037</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOH37</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAR 2037</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOJ37</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE APR 2037</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOK37</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAY 2037</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOM37</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUN 2037</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NION37</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUL 2037</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOQ37</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE AUG 2037</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOU37</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE SEP 2037</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOV37</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE OCT 2037</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOX37</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE NOV 2037</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOZ37</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE DEC 2037</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2038</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@NIOF38</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JAN 2038</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOG38</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE FEB 2038</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOH38</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAR 2038</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOJ38</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE APR 2038</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOK38</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAY 2038</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOM38</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUN 2038</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NION38</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUL 2038</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOQ38</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE AUG 2038</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOU38</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE SEP 2038</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOV38</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE OCT 2038</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOX38</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE NOV 2038</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOZ38</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE DEC 2038</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2039</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@NIOF39</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JAN 2039</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOG39</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE FEB 2039</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOH39</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAR 2039</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOJ39</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE APR 2039</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOK39</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAY 2039</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOM39</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUN 2039</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NION39</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUL 2039</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOQ39</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE AUG 2039</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOU39</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE SEP 2039</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOV39</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE OCT 2039</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOX39</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE NOV 2039</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOZ39</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE DEC 2039</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2040</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@NIOF40</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JAN 2040</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOG40</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE FEB 2040</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOH40</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAR 2040</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOJ40</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE APR 2040</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOK40</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAY 2040</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOM40</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUN 2040</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NION40</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUL 2040</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOQ40</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE AUG 2040</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOU40</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE SEP 2040</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOV40</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE OCT 2040</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOX40</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE NOV 2040</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOZ40</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE DEC 2040</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2041</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@NIOF41</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JAN 2041</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOG41</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE FEB 2041</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOH41</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAR 2041</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOJ41</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE APR 2041</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOK41</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAY 2041</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOM41</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUN 2041</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NION41</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUL 2041</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOQ41</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE AUG 2041</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOU41</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE SEP 2041</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOV41</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE OCT 2041</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOX41</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE NOV 2041</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOZ41</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE DEC 2041</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2042</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@NIOF42</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JAN 2042</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOG42</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE FEB 2042</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOH42</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAR 2042</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOJ42</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE APR 2042</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOK42</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAY 2042</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOM42</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUN 2042</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NION42</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUL 2042</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOQ42</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE AUG 2042</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOU42</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE SEP 2042</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOV42</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE OCT 2042</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOX42</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE NOV 2042</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOZ42</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE DEC 2042</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2043</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@NIOF43</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JAN 2043</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOG43</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE FEB 2043</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOH43</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAR 2043</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOJ43</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE APR 2043</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOK43</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAY 2043</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOM43</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUN 2043</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NION43</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUL 2043</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOQ43</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE AUG 2043</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOU43</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE SEP 2043</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOV43</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE OCT 2043</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOX43</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE NOV 2043</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOZ43</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE DEC 2043</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2044</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@NIOF44</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JAN 2044</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOG44</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE FEB 2044</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOH44</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAR 2044</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOJ44</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE APR 2044</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOK44</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAY 2044</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOM44</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUN 2044</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NION44</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUL 2044</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOQ44</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE AUG 2044</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOU44</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE SEP 2044</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOV44</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE OCT 2044</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOX44</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE NOV 2044</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOZ44</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE DEC 2044</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2045</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@NIOF45</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JAN 2045</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOG45</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE FEB 2045</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOH45</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAR 2045</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOJ45</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE APR 2045</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOK45</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAY 2045</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOM45</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUN 2045</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NION45</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUL 2045</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOQ45</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE AUG 2045</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOU45</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE SEP 2045</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOV45</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE OCT 2045</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOX45</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE NOV 2045</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOZ45</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE DEC 2045</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2046</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@NIOF46</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JAN 2046</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOG46</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE FEB 2046</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOH46</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAR 2046</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOJ46</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE APR 2046</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOK46</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAY 2046</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOM46</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUN 2046</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NION46</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUL 2046</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOQ46</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE AUG 2046</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOU46</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE SEP 2046</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOV46</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE OCT 2046</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOX46</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE NOV 2046</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOZ46</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE DEC 2046</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2047</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@NIOF47</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JAN 2047</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOG47</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE FEB 2047</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOH47</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAR 2047</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOJ47</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE APR 2047</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOK47</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAY 2047</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOM47</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUN 2047</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NION47</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUL 2047</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOQ47</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE AUG 2047</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOU47</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE SEP 2047</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOV47</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE OCT 2047</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOX47</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE NOV 2047</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOZ47</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE DEC 2047</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2048</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@NIOF48</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JAN 2048</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOG48</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE FEB 2048</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOH48</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAR 2048</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOJ48</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE APR 2048</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOK48</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAY 2048</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOM48</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUN 2048</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NION48</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUL 2048</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOQ48</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE AUG 2048</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOU48</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE SEP 2048</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOV48</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE OCT 2048</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOX48</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE NOV 2048</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOZ48</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE DEC 2048</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2049</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@NIOF49</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JAN 2049</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOG49</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE FEB 2049</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOH49</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAR 2049</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOJ49</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE APR 2049</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOK49</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAY 2049</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOM49</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUN 2049</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NION49</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUL 2049</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOQ49</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE AUG 2049</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOU49</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE SEP 2049</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOV49</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE OCT 2049</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOX49</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE NOV 2049</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOZ49</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE DEC 2049</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2050</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@NIOF50</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JAN 2050</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOG50</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE FEB 2050</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOH50</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAR 2050</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOJ50</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE APR 2050</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOK50</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE MAY 2050</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOM50</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUN 2050</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NION50</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE JUL 2050</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOQ50</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE AUG 2050</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOU50</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE SEP 2050</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOV50</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE OCT 2050</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOX50</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE NOV 2050</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@NIOZ50</Name>
          <Description>NFX PJM NO ILL HUB RT OFF PK FUTURE DEC 2050</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
  </Categories>
</Portfolio>