﻿<?xml version="1.0" encoding="UTF-8"?>
<Portfolio>
  <Name>NGT - Natural Gas TAS</Name>
  <Categories>
    <PortfolioCategory>
      <Name>Year 2016</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>NGTF16</Name>
          <Description>Natural Gas TAS JAN 2016</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTG16</Name>
          <Description>Natural Gas TAS FEB 2016</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTH16</Name>
          <Description>Natural Gas TAS MAR 2016</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTJ16</Name>
          <Description>Natural Gas TAS APR 2016</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTK16</Name>
          <Description>Natural Gas TAS MAY 2016</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTM16</Name>
          <Description>Natural Gas TAS JUN 2016</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTN16</Name>
          <Description>Natural Gas TAS JUL 2016</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTQ16</Name>
          <Description>Natural Gas TAS AUG 2016</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTU16</Name>
          <Description>Natural Gas TAS SEP 2016</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTV16</Name>
          <Description>Natural Gas TAS OCT 2016</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTX16</Name>
          <Description>Natural Gas TAS NOV 2016</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTZ16</Name>
          <Description>Natural Gas TAS DEC 2016</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2017</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>NGTF17</Name>
          <Description>Natural Gas TAS JAN 2017</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTG17</Name>
          <Description>Natural Gas TAS FEB 2017</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTH17</Name>
          <Description>Natural Gas TAS MAR 2017</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTJ17</Name>
          <Description>Natural Gas TAS APR 2017</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTK17</Name>
          <Description>Natural Gas TAS MAY 2017</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTM17</Name>
          <Description>Natural Gas TAS JUN 2017</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTN17</Name>
          <Description>Natural Gas TAS JUL 2017</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTQ17</Name>
          <Description>Natural Gas TAS AUG 2017</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTU17</Name>
          <Description>Natural Gas TAS SEP 2017</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTV17</Name>
          <Description>Natural Gas TAS OCT 2017</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTX17</Name>
          <Description>Natural Gas TAS NOV 2017</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTZ17</Name>
          <Description>Natural Gas TAS DEC 2017</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2018</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>NGTF18</Name>
          <Description>Natural Gas TAS JAN 2018</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTG18</Name>
          <Description>Natural Gas TAS FEB 2018</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTH18</Name>
          <Description>Natural Gas TAS MAR 2018</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTJ18</Name>
          <Description>Natural Gas TAS APR 2018</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTK18</Name>
          <Description>Natural Gas TAS MAY 2018</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTM18</Name>
          <Description>Natural Gas TAS JUN 2018</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTN18</Name>
          <Description>Natural Gas TAS JUL 2018</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTQ18</Name>
          <Description>Natural Gas TAS AUG 2018</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTU18</Name>
          <Description>Natural Gas TAS SEP 2018</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTV18</Name>
          <Description>Natural Gas TAS OCT 2018</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTX18</Name>
          <Description>Natural Gas TAS NOV 2018</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTZ18</Name>
          <Description>Natural Gas TAS DEC 2018</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2019</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>NGTF19</Name>
          <Description>Natural Gas TAS JAN 2019</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTG19</Name>
          <Description>Natural Gas TAS FEB 2019</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTH19</Name>
          <Description>Natural Gas TAS MAR 2019</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTJ19</Name>
          <Description>Natural Gas TAS APR 2019</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTK19</Name>
          <Description>Natural Gas TAS MAY 2019</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTM19</Name>
          <Description>Natural Gas TAS JUN 2019</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTN19</Name>
          <Description>Natural Gas TAS JUL 2019</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTQ19</Name>
          <Description>Natural Gas TAS AUG 2019</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTU19</Name>
          <Description>Natural Gas TAS SEP 2019</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTV19</Name>
          <Description>Natural Gas TAS OCT 2019</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTX19</Name>
          <Description>Natural Gas TAS NOV 2019</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTZ19</Name>
          <Description>Natural Gas TAS DEC 2019</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2020</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>NGTF20</Name>
          <Description>Natural Gas TAS JAN 2020</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTG20</Name>
          <Description>Natural Gas TAS FEB 2020</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTH20</Name>
          <Description>Natural Gas TAS MAR 2020</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTJ20</Name>
          <Description>Natural Gas TAS APR 2020</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTK20</Name>
          <Description>Natural Gas TAS MAY 2020</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTM20</Name>
          <Description>Natural Gas TAS JUN 2020</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTN20</Name>
          <Description>Natural Gas TAS JUL 2020</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTQ20</Name>
          <Description>Natural Gas TAS AUG 2020</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTU20</Name>
          <Description>Natural Gas TAS SEP 2020</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTV20</Name>
          <Description>Natural Gas TAS OCT 2020</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTX20</Name>
          <Description>Natural Gas TAS NOV 2020</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTZ20</Name>
          <Description>Natural Gas TAS DEC 2020</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2021</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>NGTF21</Name>
          <Description>Natural Gas TAS JAN 2021</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTG21</Name>
          <Description>Natural Gas TAS FEB 2021</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTH21</Name>
          <Description>Natural Gas TAS MAR 2021</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTJ21</Name>
          <Description>Natural Gas TAS APR 2021</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTK21</Name>
          <Description>Natural Gas TAS MAY 2021</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTM21</Name>
          <Description>Natural Gas TAS JUN 2021</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTN21</Name>
          <Description>Natural Gas TAS JUL 2021</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTQ21</Name>
          <Description>Natural Gas TAS AUG 2021</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTU21</Name>
          <Description>Natural Gas TAS SEP 2021</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTV21</Name>
          <Description>Natural Gas TAS OCT 2021</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTX21</Name>
          <Description>Natural Gas TAS NOV 2021</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTZ21</Name>
          <Description>Natural Gas TAS DEC 2021</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2022</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>NGTF22</Name>
          <Description>Natural Gas TAS JAN 2022</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTG22</Name>
          <Description>Natural Gas TAS FEB 2022</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTH22</Name>
          <Description>Natural Gas TAS MAR 2022</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTJ22</Name>
          <Description>Natural Gas TAS APR 2022</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTK22</Name>
          <Description>Natural Gas TAS MAY 2022</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTM22</Name>
          <Description>Natural Gas TAS JUN 2022</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTN22</Name>
          <Description>Natural Gas TAS JUL 2022</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTQ22</Name>
          <Description>Natural Gas TAS AUG 2022</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTU22</Name>
          <Description>Natural Gas TAS SEP 2022</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTV22</Name>
          <Description>Natural Gas TAS OCT 2022</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTX22</Name>
          <Description>Natural Gas TAS NOV 2022</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTZ22</Name>
          <Description>Natural Gas TAS DEC 2022</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2023</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>NGTF23</Name>
          <Description>Natural Gas TAS JAN 2023</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTG23</Name>
          <Description>Natural Gas TAS FEB 2023</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTH23</Name>
          <Description>Natural Gas TAS MAR 2023</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTJ23</Name>
          <Description>Natural Gas TAS APR 2023</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTK23</Name>
          <Description>Natural Gas TAS MAY 2023</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTM23</Name>
          <Description>Natural Gas TAS JUN 2023</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTN23</Name>
          <Description>Natural Gas TAS JUL 2023</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTQ23</Name>
          <Description>Natural Gas TAS AUG 2023</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTU23</Name>
          <Description>Natural Gas TAS SEP 2023</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTV23</Name>
          <Description>Natural Gas TAS OCT 2023</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTX23</Name>
          <Description>Natural Gas TAS NOV 2023</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTZ23</Name>
          <Description>Natural Gas TAS DEC 2023</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2024</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>NGTF24</Name>
          <Description>Natural Gas TAS JAN 2024</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTG24</Name>
          <Description>Natural Gas TAS FEB 2024</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTH24</Name>
          <Description>Natural Gas TAS MAR 2024</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTJ24</Name>
          <Description>Natural Gas TAS APR 2024</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTK24</Name>
          <Description>Natural Gas TAS MAY 2024</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTM24</Name>
          <Description>Natural Gas TAS JUN 2024</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTN24</Name>
          <Description>Natural Gas TAS JUL 2024</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTQ24</Name>
          <Description>Natural Gas TAS AUG 2024</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTU24</Name>
          <Description>Natural Gas TAS SEP 2024</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTV24</Name>
          <Description>Natural Gas TAS OCT 2024</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTX24</Name>
          <Description>Natural Gas TAS NOV 2024</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTZ24</Name>
          <Description>Natural Gas TAS DEC 2024</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2025</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>NGTF25</Name>
          <Description>Natural Gas TAS JAN 2025</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTG25</Name>
          <Description>Natural Gas TAS FEB 2025</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTH25</Name>
          <Description>Natural Gas TAS MAR 2025</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTJ25</Name>
          <Description>Natural Gas TAS APR 2025</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTK25</Name>
          <Description>Natural Gas TAS MAY 2025</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTM25</Name>
          <Description>Natural Gas TAS JUN 2025</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTN25</Name>
          <Description>Natural Gas TAS JUL 2025</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTQ25</Name>
          <Description>Natural Gas TAS AUG 2025</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTU25</Name>
          <Description>Natural Gas TAS SEP 2025</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTV25</Name>
          <Description>Natural Gas TAS OCT 2025</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTX25</Name>
          <Description>Natural Gas TAS NOV 2025</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTZ25</Name>
          <Description>Natural Gas TAS DEC 2025</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2026</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>NGTF26</Name>
          <Description>Natural Gas TAS JAN 2026</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTG26</Name>
          <Description>Natural Gas TAS FEB 2026</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTH26</Name>
          <Description>Natural Gas TAS MAR 2026</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTJ26</Name>
          <Description>Natural Gas TAS APR 2026</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTK26</Name>
          <Description>Natural Gas TAS MAY 2026</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTM26</Name>
          <Description>Natural Gas TAS JUN 2026</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTN26</Name>
          <Description>Natural Gas TAS JUL 2026</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTQ26</Name>
          <Description>Natural Gas TAS AUG 2026</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTU26</Name>
          <Description>Natural Gas TAS SEP 2026</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTV26</Name>
          <Description>Natural Gas TAS OCT 2026</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTX26</Name>
          <Description>Natural Gas TAS NOV 2026</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTZ26</Name>
          <Description>Natural Gas TAS DEC 2026</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2027</Name>
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        <PortfolioSymbol>
          <Name>NGTF27</Name>
          <Description>Natural Gas TAS JAN 2027</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTG27</Name>
          <Description>Natural Gas TAS FEB 2027</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTH27</Name>
          <Description>Natural Gas TAS MAR 2027</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTJ27</Name>
          <Description>Natural Gas TAS APR 2027</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTK27</Name>
          <Description>Natural Gas TAS MAY 2027</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTM27</Name>
          <Description>Natural Gas TAS JUN 2027</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTN27</Name>
          <Description>Natural Gas TAS JUL 2027</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTQ27</Name>
          <Description>Natural Gas TAS AUG 2027</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTU27</Name>
          <Description>Natural Gas TAS SEP 2027</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTV27</Name>
          <Description>Natural Gas TAS OCT 2027</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTX27</Name>
          <Description>Natural Gas TAS NOV 2027</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTZ27</Name>
          <Description>Natural Gas TAS DEC 2027</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2028</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>NGTF28</Name>
          <Description>Natural Gas TAS JAN 2028</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTG28</Name>
          <Description>Natural Gas TAS FEB 2028</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTH28</Name>
          <Description>Natural Gas TAS MAR 2028</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTJ28</Name>
          <Description>Natural Gas TAS APR 2028</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTK28</Name>
          <Description>Natural Gas TAS MAY 2028</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTM28</Name>
          <Description>Natural Gas TAS JUN 2028</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTN28</Name>
          <Description>Natural Gas TAS JUL 2028</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTQ28</Name>
          <Description>Natural Gas TAS AUG 2028</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTU28</Name>
          <Description>Natural Gas TAS SEP 2028</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTV28</Name>
          <Description>Natural Gas TAS OCT 2028</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTX28</Name>
          <Description>Natural Gas TAS NOV 2028</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTZ28</Name>
          <Description>Natural Gas TAS DEC 2028</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2029</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>NGTF29</Name>
          <Description>Natural Gas TAS JAN 2029</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTG29</Name>
          <Description>Natural Gas TAS FEB 2029</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTH29</Name>
          <Description>Natural Gas TAS MAR 2029</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTJ29</Name>
          <Description>Natural Gas TAS APR 2029</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTK29</Name>
          <Description>Natural Gas TAS MAY 2029</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTM29</Name>
          <Description>Natural Gas TAS JUN 2029</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTN29</Name>
          <Description>Natural Gas TAS JUL 2029</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTQ29</Name>
          <Description>Natural Gas TAS AUG 2029</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTU29</Name>
          <Description>Natural Gas TAS SEP 2029</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTV29</Name>
          <Description>Natural Gas TAS OCT 2029</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTX29</Name>
          <Description>Natural Gas TAS NOV 2029</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTZ29</Name>
          <Description>Natural Gas TAS DEC 2029</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2030</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>NGTF30</Name>
          <Description>Natural Gas TAS JAN 2030</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTG30</Name>
          <Description>Natural Gas TAS FEB 2030</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTH30</Name>
          <Description>Natural Gas TAS MAR 2030</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTJ30</Name>
          <Description>Natural Gas TAS APR 2030</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTK30</Name>
          <Description>Natural Gas TAS MAY 2030</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTM30</Name>
          <Description>Natural Gas TAS JUN 2030</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTN30</Name>
          <Description>Natural Gas TAS JUL 2030</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTQ30</Name>
          <Description>Natural Gas TAS AUG 2030</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTU30</Name>
          <Description>Natural Gas TAS SEP 2030</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTV30</Name>
          <Description>Natural Gas TAS OCT 2030</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTX30</Name>
          <Description>Natural Gas TAS NOV 2030</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTZ30</Name>
          <Description>Natural Gas TAS DEC 2030</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2031</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>NGTF31</Name>
          <Description>Natural Gas TAS JAN 2031</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTG31</Name>
          <Description>Natural Gas TAS FEB 2031</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTH31</Name>
          <Description>Natural Gas TAS MAR 2031</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTJ31</Name>
          <Description>Natural Gas TAS APR 2031</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTK31</Name>
          <Description>Natural Gas TAS MAY 2031</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTM31</Name>
          <Description>Natural Gas TAS JUN 2031</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTN31</Name>
          <Description>Natural Gas TAS JUL 2031</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTQ31</Name>
          <Description>Natural Gas TAS AUG 2031</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTU31</Name>
          <Description>Natural Gas TAS SEP 2031</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTV31</Name>
          <Description>Natural Gas TAS OCT 2031</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTX31</Name>
          <Description>Natural Gas TAS NOV 2031</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTZ31</Name>
          <Description>Natural Gas TAS DEC 2031</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2032</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>NGTF32</Name>
          <Description>Natural Gas TAS JAN 2032</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTG32</Name>
          <Description>Natural Gas TAS FEB 2032</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTH32</Name>
          <Description>Natural Gas TAS MAR 2032</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTJ32</Name>
          <Description>Natural Gas TAS APR 2032</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTK32</Name>
          <Description>Natural Gas TAS MAY 2032</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTM32</Name>
          <Description>Natural Gas TAS JUN 2032</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTN32</Name>
          <Description>Natural Gas TAS JUL 2032</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTQ32</Name>
          <Description>Natural Gas TAS AUG 2032</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTU32</Name>
          <Description>Natural Gas TAS SEP 2032</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTV32</Name>
          <Description>Natural Gas TAS OCT 2032</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTX32</Name>
          <Description>Natural Gas TAS NOV 2032</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTZ32</Name>
          <Description>Natural Gas TAS DEC 2032</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2033</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>NGTF33</Name>
          <Description>Natural Gas TAS JAN 2033</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTG33</Name>
          <Description>Natural Gas TAS FEB 2033</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTH33</Name>
          <Description>Natural Gas TAS MAR 2033</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTJ33</Name>
          <Description>Natural Gas TAS APR 2033</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTK33</Name>
          <Description>Natural Gas TAS MAY 2033</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTM33</Name>
          <Description>Natural Gas TAS JUN 2033</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTN33</Name>
          <Description>Natural Gas TAS JUL 2033</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTQ33</Name>
          <Description>Natural Gas TAS AUG 2033</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTU33</Name>
          <Description>Natural Gas TAS SEP 2033</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTV33</Name>
          <Description>Natural Gas TAS OCT 2033</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTX33</Name>
          <Description>Natural Gas TAS NOV 2033</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTZ33</Name>
          <Description>Natural Gas TAS DEC 2033</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2034</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>NGTF34</Name>
          <Description>Natural Gas TAS JAN 2034</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTG34</Name>
          <Description>Natural Gas TAS FEB 2034</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTH34</Name>
          <Description>Natural Gas TAS MAR 2034</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTJ34</Name>
          <Description>Natural Gas TAS APR 2034</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTK34</Name>
          <Description>Natural Gas TAS MAY 2034</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTM34</Name>
          <Description>Natural Gas TAS JUN 2034</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTN34</Name>
          <Description>Natural Gas TAS JUL 2034</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTQ34</Name>
          <Description>Natural Gas TAS AUG 2034</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTU34</Name>
          <Description>Natural Gas TAS SEP 2034</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTV34</Name>
          <Description>Natural Gas TAS OCT 2034</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTX34</Name>
          <Description>Natural Gas TAS NOV 2034</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTZ34</Name>
          <Description>Natural Gas TAS DEC 2034</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2035</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>NGTF35</Name>
          <Description>Natural Gas TAS JAN 2035</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTG35</Name>
          <Description>Natural Gas TAS FEB 2035</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTH35</Name>
          <Description>Natural Gas TAS MAR 2035</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTJ35</Name>
          <Description>Natural Gas TAS APR 2035</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTK35</Name>
          <Description>Natural Gas TAS MAY 2035</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTM35</Name>
          <Description>Natural Gas TAS JUN 2035</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTN35</Name>
          <Description>Natural Gas TAS JUL 2035</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NGTQ35</Name>
          <Description>Natural Gas TAS AUG 2035</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTU35</Name>
          <Description>Natural Gas TAS SEP 2035</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTV35</Name>
          <Description>Natural Gas TAS OCT 2035</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTX35</Name>
          <Description>Natural Gas TAS NOV 2035</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTZ35</Name>
          <Description>Natural Gas TAS DEC 2035</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2036</Name>
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        <PortfolioSymbol>
          <Name>NGTF36</Name>
          <Description>Natural Gas TAS JAN 2036</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTG36</Name>
          <Description>Natural Gas TAS FEB 2036</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTH36</Name>
          <Description>Natural Gas TAS MAR 2036</Description>
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          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTJ36</Name>
          <Description>Natural Gas TAS APR 2036</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTK36</Name>
          <Description>Natural Gas TAS MAY 2036</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTM36</Name>
          <Description>Natural Gas TAS JUN 2036</Description>
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          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTN36</Name>
          <Description>Natural Gas TAS JUL 2036</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTQ36</Name>
          <Description>Natural Gas TAS AUG 2036</Description>
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          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTU36</Name>
          <Description>Natural Gas TAS SEP 2036</Description>
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          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTV36</Name>
          <Description>Natural Gas TAS OCT 2036</Description>
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          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTX36</Name>
          <Description>Natural Gas TAS NOV 2036</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTZ36</Name>
          <Description>Natural Gas TAS DEC 2036</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2037</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>NGTF37</Name>
          <Description>Natural Gas TAS JAN 2037</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTG37</Name>
          <Description>Natural Gas TAS FEB 2037</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTH37</Name>
          <Description>Natural Gas TAS MAR 2037</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTJ37</Name>
          <Description>Natural Gas TAS APR 2037</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTK37</Name>
          <Description>Natural Gas TAS MAY 2037</Description>
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          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTM37</Name>
          <Description>Natural Gas TAS JUN 2037</Description>
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          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTN37</Name>
          <Description>Natural Gas TAS JUL 2037</Description>
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          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
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          <Description>Natural Gas TAS AUG 2037</Description>
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          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTU37</Name>
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          <PipFraction>1</PipFraction>
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        <PortfolioSymbol>
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          <PipFraction>1</PipFraction>
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        <PortfolioSymbol>
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          <PipFraction>1</PipFraction>
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        <PortfolioSymbol>
          <Name>NGTZ37</Name>
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          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2038</Name>
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        <PortfolioSymbol>
          <Name>NGTF38</Name>
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          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTG38</Name>
          <Description>Natural Gas TAS FEB 2038</Description>
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          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTH38</Name>
          <Description>Natural Gas TAS MAR 2038</Description>
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          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTJ38</Name>
          <Description>Natural Gas TAS APR 2038</Description>
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          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTK38</Name>
          <Description>Natural Gas TAS MAY 2038</Description>
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          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTM38</Name>
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          <PipFraction>1</PipFraction>
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        <PortfolioSymbol>
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          <Description>Natural Gas TAS JUL 2038</Description>
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          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
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          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTU38</Name>
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          <PipFraction>1</PipFraction>
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        <PortfolioSymbol>
          <Name>NGTV38</Name>
          <Description>Natural Gas TAS OCT 2038</Description>
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          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
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          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTZ38</Name>
          <Description>Natural Gas TAS DEC 2038</Description>
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          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2039</Name>
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        <PortfolioSymbol>
          <Name>NGTF39</Name>
          <Description>Natural Gas TAS JAN 2039</Description>
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          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTG39</Name>
          <Description>Natural Gas TAS FEB 2039</Description>
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          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTH39</Name>
          <Description>Natural Gas TAS MAR 2039</Description>
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          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTJ39</Name>
          <Description>Natural Gas TAS APR 2039</Description>
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          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTK39</Name>
          <Description>Natural Gas TAS MAY 2039</Description>
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          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTM39</Name>
          <Description>Natural Gas TAS JUN 2039</Description>
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          <PipFraction>1</PipFraction>
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        <PortfolioSymbol>
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          <Description>Natural Gas TAS JUL 2039</Description>
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          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
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        <PortfolioSymbol>
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        <PortfolioSymbol>
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          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
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          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTZ39</Name>
          <Description>Natural Gas TAS DEC 2039</Description>
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          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2040</Name>
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        <PortfolioSymbol>
          <Name>NGTF40</Name>
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          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTG40</Name>
          <Description>Natural Gas TAS FEB 2040</Description>
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          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTH40</Name>
          <Description>Natural Gas TAS MAR 2040</Description>
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          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTJ40</Name>
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          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTK40</Name>
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          <PipFraction>1</PipFraction>
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        <PortfolioSymbol>
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        <PortfolioSymbol>
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        <PortfolioSymbol>
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        <PortfolioSymbol>
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          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
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          <PipFraction>1</PipFraction>
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        <PortfolioSymbol>
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        <PortfolioSymbol>
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          <Description>Natural Gas TAS DEC 2040</Description>
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          <PipSize>2</PipSize>
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          <TickSize>0.001</TickSize>
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    </PortfolioCategory>
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      <Name>Year 2041</Name>
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          <Name>NGTF41</Name>
          <Description>Natural Gas TAS JAN 2041</Description>
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          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTG41</Name>
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          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
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          <PipSize>2</PipSize>
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          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
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        <PortfolioSymbol>
          <Name>NGTK41</Name>
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          <PipFraction>1</PipFraction>
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        <PortfolioSymbol>
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          <Description>Natural Gas TAS JUN 2041</Description>
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        <PortfolioSymbol>
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        <PortfolioSymbol>
          <Name>NGTV41</Name>
          <Description>Natural Gas TAS OCT 2041</Description>
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          <PipFraction>1</PipFraction>
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        <PortfolioSymbol>
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          <Description>Natural Gas TAS NOV 2041</Description>
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          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTZ41</Name>
          <Description>Natural Gas TAS DEC 2041</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2042</Name>
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        <PortfolioSymbol>
          <Name>NGTF42</Name>
          <Description>Natural Gas TAS JAN 2042</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTG42</Name>
          <Description>Natural Gas TAS FEB 2042</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTH42</Name>
          <Description>Natural Gas TAS MAR 2042</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTJ42</Name>
          <Description>Natural Gas TAS APR 2042</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTK42</Name>
          <Description>Natural Gas TAS MAY 2042</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTM42</Name>
          <Description>Natural Gas TAS JUN 2042</Description>
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          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTN42</Name>
          <Description>Natural Gas TAS JUL 2042</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTQ42</Name>
          <Description>Natural Gas TAS AUG 2042</Description>
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          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTU42</Name>
          <Description>Natural Gas TAS SEP 2042</Description>
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          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTV42</Name>
          <Description>Natural Gas TAS OCT 2042</Description>
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          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTX42</Name>
          <Description>Natural Gas TAS NOV 2042</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTZ42</Name>
          <Description>Natural Gas TAS DEC 2042</Description>
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          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2043</Name>
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        <PortfolioSymbol>
          <Name>NGTF43</Name>
          <Description>Natural Gas TAS JAN 2043</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTG43</Name>
          <Description>Natural Gas TAS FEB 2043</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTH43</Name>
          <Description>Natural Gas TAS MAR 2043</Description>
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          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTJ43</Name>
          <Description>Natural Gas TAS APR 2043</Description>
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          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTK43</Name>
          <Description>Natural Gas TAS MAY 2043</Description>
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          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTM43</Name>
          <Description>Natural Gas TAS JUN 2043</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTN43</Name>
          <Description>Natural Gas TAS JUL 2043</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTQ43</Name>
          <Description>Natural Gas TAS AUG 2043</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTU43</Name>
          <Description>Natural Gas TAS SEP 2043</Description>
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          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTV43</Name>
          <Description>Natural Gas TAS OCT 2043</Description>
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          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTX43</Name>
          <Description>Natural Gas TAS NOV 2043</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTZ43</Name>
          <Description>Natural Gas TAS DEC 2043</Description>
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          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2044</Name>
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        <PortfolioSymbol>
          <Name>NGTF44</Name>
          <Description>Natural Gas TAS JAN 2044</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTG44</Name>
          <Description>Natural Gas TAS FEB 2044</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTH44</Name>
          <Description>Natural Gas TAS MAR 2044</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTJ44</Name>
          <Description>Natural Gas TAS APR 2044</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTK44</Name>
          <Description>Natural Gas TAS MAY 2044</Description>
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          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTM44</Name>
          <Description>Natural Gas TAS JUN 2044</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTN44</Name>
          <Description>Natural Gas TAS JUL 2044</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTQ44</Name>
          <Description>Natural Gas TAS AUG 2044</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTU44</Name>
          <Description>Natural Gas TAS SEP 2044</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTV44</Name>
          <Description>Natural Gas TAS OCT 2044</Description>
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          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTX44</Name>
          <Description>Natural Gas TAS NOV 2044</Description>
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          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTZ44</Name>
          <Description>Natural Gas TAS DEC 2044</Description>
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          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2045</Name>
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        <PortfolioSymbol>
          <Name>NGTF45</Name>
          <Description>Natural Gas TAS JAN 2045</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTG45</Name>
          <Description>Natural Gas TAS FEB 2045</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTH45</Name>
          <Description>Natural Gas TAS MAR 2045</Description>
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          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTJ45</Name>
          <Description>Natural Gas TAS APR 2045</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTK45</Name>
          <Description>Natural Gas TAS MAY 2045</Description>
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          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTM45</Name>
          <Description>Natural Gas TAS JUN 2045</Description>
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          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTN45</Name>
          <Description>Natural Gas TAS JUL 2045</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTQ45</Name>
          <Description>Natural Gas TAS AUG 2045</Description>
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          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTU45</Name>
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          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTV45</Name>
          <Description>Natural Gas TAS OCT 2045</Description>
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          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTX45</Name>
          <Description>Natural Gas TAS NOV 2045</Description>
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          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTZ45</Name>
          <Description>Natural Gas TAS DEC 2045</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2046</Name>
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        <PortfolioSymbol>
          <Name>NGTF46</Name>
          <Description>Natural Gas TAS JAN 2046</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTG46</Name>
          <Description>Natural Gas TAS FEB 2046</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTH46</Name>
          <Description>Natural Gas TAS MAR 2046</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTJ46</Name>
          <Description>Natural Gas TAS APR 2046</Description>
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          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTK46</Name>
          <Description>Natural Gas TAS MAY 2046</Description>
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          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTM46</Name>
          <Description>Natural Gas TAS JUN 2046</Description>
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        <PortfolioSymbol>
          <Name>NGTN46</Name>
          <Description>Natural Gas TAS JUL 2046</Description>
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        <PortfolioSymbol>
          <Name>NGTQ46</Name>
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        <PortfolioSymbol>
          <Name>NGTU46</Name>
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        <PortfolioSymbol>
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          <Description>Natural Gas TAS OCT 2046</Description>
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          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTX46</Name>
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        <PortfolioSymbol>
          <Name>NGTZ46</Name>
          <Description>Natural Gas TAS DEC 2046</Description>
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          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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    <PortfolioCategory>
      <Name>Year 2047</Name>
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          <Name>NGTF47</Name>
          <Description>Natural Gas TAS JAN 2047</Description>
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          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTG47</Name>
          <Description>Natural Gas TAS FEB 2047</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTH47</Name>
          <Description>Natural Gas TAS MAR 2047</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTJ47</Name>
          <Description>Natural Gas TAS APR 2047</Description>
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          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
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          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
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        <PortfolioSymbol>
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          <Description>Natural Gas TAS JUL 2047</Description>
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        <PortfolioSymbol>
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        <PortfolioSymbol>
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          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
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        <PortfolioSymbol>
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    <PortfolioCategory>
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          <Name>NGTF48</Name>
          <Description>Natural Gas TAS JAN 2048</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTG48</Name>
          <Description>Natural Gas TAS FEB 2048</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTH48</Name>
          <Description>Natural Gas TAS MAR 2048</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
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        <PortfolioSymbol>
          <Name>NGTJ48</Name>
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          <PipSize>2</PipSize>
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        <PortfolioSymbol>
          <Name>NGTK48</Name>
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          <PipSize>2</PipSize>
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      <Name>Year 2049</Name>
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