﻿<?xml version="1.0" encoding="UTF-8"?>
<Portfolio>
  <Name>GWE - UK NATURAL GAS FUTURE</Name>
  <Categories>
    <PortfolioCategory>
      <Name>Year 20X0</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>GWEF0</Name>
          <Description>UK NATURAL GAS FUTURE JAN 20X0</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEG0</Name>
          <Description>UK NATURAL GAS FUTURE FEB 20X0</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEH0</Name>
          <Description>UK NATURAL GAS FUTURE MAR 20X0</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEJ0</Name>
          <Description>UK NATURAL GAS FUTURE APR 20X0</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEK0</Name>
          <Description>UK NATURAL GAS FUTURE MAY 20X0</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEM0</Name>
          <Description>UK NATURAL GAS FUTURE JUN 20X0</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEN0</Name>
          <Description>UK NATURAL GAS FUTURE JUL 20X0</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEQ0</Name>
          <Description>UK NATURAL GAS FUTURE AUG 20X0</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEU0</Name>
          <Description>UK NATURAL GAS FUTURE SEP 20X0</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEV0</Name>
          <Description>UK NATURAL GAS FUTURE OCT 20X0</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEX0</Name>
          <Description>UK NATURAL GAS FUTURE NOV 20X0</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEZ0</Name>
          <Description>UK NATURAL GAS FUTURE DEC 20X0</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 20X1</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>GWEF1</Name>
          <Description>UK NATURAL GAS FUTURE JAN 20X1</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEG1</Name>
          <Description>UK NATURAL GAS FUTURE FEB 20X1</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEH1</Name>
          <Description>UK NATURAL GAS FUTURE MAR 20X1</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEJ1</Name>
          <Description>UK NATURAL GAS FUTURE APR 20X1</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEK1</Name>
          <Description>UK NATURAL GAS FUTURE MAY 20X1</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEM1</Name>
          <Description>UK NATURAL GAS FUTURE JUN 20X1</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEN1</Name>
          <Description>UK NATURAL GAS FUTURE JUL 20X1</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEQ1</Name>
          <Description>UK NATURAL GAS FUTURE AUG 20X1</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEU1</Name>
          <Description>UK NATURAL GAS FUTURE SEP 20X1</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEV1</Name>
          <Description>UK NATURAL GAS FUTURE OCT 20X1</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEX1</Name>
          <Description>UK NATURAL GAS FUTURE NOV 20X1</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEZ1</Name>
          <Description>UK NATURAL GAS FUTURE DEC 20X1</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 20X2</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>GWEF2</Name>
          <Description>UK NATURAL GAS FUTURE JAN 20X2</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEG2</Name>
          <Description>UK NATURAL GAS FUTURE FEB 20X2</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEH2</Name>
          <Description>UK NATURAL GAS FUTURE MAR 20X2</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEJ2</Name>
          <Description>UK NATURAL GAS FUTURE APR 20X2</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEK2</Name>
          <Description>UK NATURAL GAS FUTURE MAY 20X2</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEM2</Name>
          <Description>UK NATURAL GAS FUTURE JUN 20X2</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEN2</Name>
          <Description>UK NATURAL GAS FUTURE JUL 20X2</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEQ2</Name>
          <Description>UK NATURAL GAS FUTURE AUG 20X2</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEU2</Name>
          <Description>UK NATURAL GAS FUTURE SEP 20X2</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEV2</Name>
          <Description>UK NATURAL GAS FUTURE OCT 20X2</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEX2</Name>
          <Description>UK NATURAL GAS FUTURE NOV 20X2</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEZ2</Name>
          <Description>UK NATURAL GAS FUTURE DEC 20X2</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 20X3</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>GWEF3</Name>
          <Description>UK NATURAL GAS FUTURE JAN 20X3</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEG3</Name>
          <Description>UK NATURAL GAS FUTURE FEB 20X3</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEH3</Name>
          <Description>UK NATURAL GAS FUTURE MAR 20X3</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEJ3</Name>
          <Description>UK NATURAL GAS FUTURE APR 20X3</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEK3</Name>
          <Description>UK NATURAL GAS FUTURE MAY 20X3</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEM3</Name>
          <Description>UK NATURAL GAS FUTURE JUN 20X3</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEN3</Name>
          <Description>UK NATURAL GAS FUTURE JUL 20X3</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEQ3</Name>
          <Description>UK NATURAL GAS FUTURE AUG 20X3</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEU3</Name>
          <Description>UK NATURAL GAS FUTURE SEP 20X3</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEV3</Name>
          <Description>UK NATURAL GAS FUTURE OCT 20X3</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEX3</Name>
          <Description>UK NATURAL GAS FUTURE NOV 20X3</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEZ3</Name>
          <Description>UK NATURAL GAS FUTURE DEC 20X3</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 20X4</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>GWEF4</Name>
          <Description>UK NATURAL GAS FUTURE JAN 20X4</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEG4</Name>
          <Description>UK NATURAL GAS FUTURE FEB 20X4</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEH4</Name>
          <Description>UK NATURAL GAS FUTURE MAR 20X4</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEJ4</Name>
          <Description>UK NATURAL GAS FUTURE APR 20X4</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEK4</Name>
          <Description>UK NATURAL GAS FUTURE MAY 20X4</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEM4</Name>
          <Description>UK NATURAL GAS FUTURE JUN 20X4</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEN4</Name>
          <Description>UK NATURAL GAS FUTURE JUL 20X4</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEQ4</Name>
          <Description>UK NATURAL GAS FUTURE AUG 20X4</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEU4</Name>
          <Description>UK NATURAL GAS FUTURE SEP 20X4</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEV4</Name>
          <Description>UK NATURAL GAS FUTURE OCT 20X4</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEX4</Name>
          <Description>UK NATURAL GAS FUTURE NOV 20X4</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEZ4</Name>
          <Description>UK NATURAL GAS FUTURE DEC 20X4</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 20X5</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>GWEF5</Name>
          <Description>UK NATURAL GAS FUTURE JAN 20X5</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEG5</Name>
          <Description>UK NATURAL GAS FUTURE FEB 20X5</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEH5</Name>
          <Description>UK NATURAL GAS FUTURE MAR 20X5</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEJ5</Name>
          <Description>UK NATURAL GAS FUTURE APR 20X5</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEK5</Name>
          <Description>UK NATURAL GAS FUTURE MAY 20X5</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEM5</Name>
          <Description>UK NATURAL GAS FUTURE JUN 20X5</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEN5</Name>
          <Description>UK NATURAL GAS FUTURE JUL 20X5</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEQ5</Name>
          <Description>UK NATURAL GAS FUTURE AUG 20X5</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEU5</Name>
          <Description>UK NATURAL GAS FUTURE SEP 20X5</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEV5</Name>
          <Description>UK NATURAL GAS FUTURE OCT 20X5</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEX5</Name>
          <Description>UK NATURAL GAS FUTURE NOV 20X5</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEZ5</Name>
          <Description>UK NATURAL GAS FUTURE DEC 20X5</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 20X6</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>GWEF6</Name>
          <Description>UK NATURAL GAS FUTURE JAN 20X6</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEG6</Name>
          <Description>UK NATURAL GAS FUTURE FEB 20X6</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
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        <PortfolioSymbol>
          <Name>GWEH6</Name>
          <Description>UK NATURAL GAS FUTURE MAR 20X6</Description>
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          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
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        <PortfolioSymbol>
          <Name>GWEJ6</Name>
          <Description>UK NATURAL GAS FUTURE APR 20X6</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
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        <PortfolioSymbol>
          <Name>GWEK6</Name>
          <Description>UK NATURAL GAS FUTURE MAY 20X6</Description>
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          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
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        <PortfolioSymbol>
          <Name>GWEM6</Name>
          <Description>UK NATURAL GAS FUTURE JUN 20X6</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
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        <PortfolioSymbol>
          <Name>GWEN6</Name>
          <Description>UK NATURAL GAS FUTURE JUL 20X6</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
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        <PortfolioSymbol>
          <Name>GWEQ6</Name>
          <Description>UK NATURAL GAS FUTURE AUG 20X6</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEU6</Name>
          <Description>UK NATURAL GAS FUTURE SEP 20X6</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
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        <PortfolioSymbol>
          <Name>GWEV6</Name>
          <Description>UK NATURAL GAS FUTURE OCT 20X6</Description>
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          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
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        <PortfolioSymbol>
          <Name>GWEX6</Name>
          <Description>UK NATURAL GAS FUTURE NOV 20X6</Description>
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          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
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        <PortfolioSymbol>
          <Name>GWEZ6</Name>
          <Description>UK NATURAL GAS FUTURE DEC 20X6</Description>
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          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
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        <PortfolioSymbol>
          <Name>GWEF7</Name>
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          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
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        <PortfolioSymbol>
          <Name>GWEG7</Name>
          <Description>UK NATURAL GAS FUTURE FEB 20X7</Description>
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          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
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        <PortfolioSymbol>
          <Name>GWEH7</Name>
          <Description>UK NATURAL GAS FUTURE MAR 20X7</Description>
          <Decimals>3</Decimals>
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          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
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        <PortfolioSymbol>
          <Name>GWEJ7</Name>
          <Description>UK NATURAL GAS FUTURE APR 20X7</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
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        <PortfolioSymbol>
          <Name>GWEK7</Name>
          <Description>UK NATURAL GAS FUTURE MAY 20X7</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
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        <PortfolioSymbol>
          <Name>GWEM7</Name>
          <Description>UK NATURAL GAS FUTURE JUN 20X7</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
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        <PortfolioSymbol>
          <Name>GWEN7</Name>
          <Description>UK NATURAL GAS FUTURE JUL 20X7</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
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        <PortfolioSymbol>
          <Name>GWEQ7</Name>
          <Description>UK NATURAL GAS FUTURE AUG 20X7</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
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        <PortfolioSymbol>
          <Name>GWEU7</Name>
          <Description>UK NATURAL GAS FUTURE SEP 20X7</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
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        <PortfolioSymbol>
          <Name>GWEV7</Name>
          <Description>UK NATURAL GAS FUTURE OCT 20X7</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
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        <PortfolioSymbol>
          <Name>GWEX7</Name>
          <Description>UK NATURAL GAS FUTURE NOV 20X7</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
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        <PortfolioSymbol>
          <Name>GWEZ7</Name>
          <Description>UK NATURAL GAS FUTURE DEC 20X7</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
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    </PortfolioCategory>
    <PortfolioCategory>
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      <Symbols>
        <PortfolioSymbol>
          <Name>GWEF8</Name>
          <Description>UK NATURAL GAS FUTURE JAN 20X8</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
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        <PortfolioSymbol>
          <Name>GWEG8</Name>
          <Description>UK NATURAL GAS FUTURE FEB 20X8</Description>
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          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
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        <PortfolioSymbol>
          <Name>GWEH8</Name>
          <Description>UK NATURAL GAS FUTURE MAR 20X8</Description>
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          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
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        <PortfolioSymbol>
          <Name>GWEJ8</Name>
          <Description>UK NATURAL GAS FUTURE APR 20X8</Description>
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          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
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        <PortfolioSymbol>
          <Name>GWEK8</Name>
          <Description>UK NATURAL GAS FUTURE MAY 20X8</Description>
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          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
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        <PortfolioSymbol>
          <Name>GWEM8</Name>
          <Description>UK NATURAL GAS FUTURE JUN 20X8</Description>
          <Decimals>3</Decimals>
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          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
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        <PortfolioSymbol>
          <Name>GWEN8</Name>
          <Description>UK NATURAL GAS FUTURE JUL 20X8</Description>
          <Decimals>3</Decimals>
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          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
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        <PortfolioSymbol>
          <Name>GWEQ8</Name>
          <Description>UK NATURAL GAS FUTURE AUG 20X8</Description>
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          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
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        <PortfolioSymbol>
          <Name>GWEU8</Name>
          <Description>UK NATURAL GAS FUTURE SEP 20X8</Description>
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          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
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        <PortfolioSymbol>
          <Name>GWEV8</Name>
          <Description>UK NATURAL GAS FUTURE OCT 20X8</Description>
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          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
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        <PortfolioSymbol>
          <Name>GWEX8</Name>
          <Description>UK NATURAL GAS FUTURE NOV 20X8</Description>
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          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
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        <PortfolioSymbol>
          <Name>GWEZ8</Name>
          <Description>UK NATURAL GAS FUTURE DEC 20X8</Description>
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          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
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    </PortfolioCategory>
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      <Name>Year 20X9</Name>
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        <PortfolioSymbol>
          <Name>GWEF9</Name>
          <Description>UK NATURAL GAS FUTURE JAN 20X9</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEG9</Name>
          <Description>UK NATURAL GAS FUTURE FEB 20X9</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEH9</Name>
          <Description>UK NATURAL GAS FUTURE MAR 20X9</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEJ9</Name>
          <Description>UK NATURAL GAS FUTURE APR 20X9</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
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        <PortfolioSymbol>
          <Name>GWEK9</Name>
          <Description>UK NATURAL GAS FUTURE MAY 20X9</Description>
          <Decimals>3</Decimals>
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          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
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        <PortfolioSymbol>
          <Name>GWEM9</Name>
          <Description>UK NATURAL GAS FUTURE JUN 20X9</Description>
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          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
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        <PortfolioSymbol>
          <Name>GWEN9</Name>
          <Description>UK NATURAL GAS FUTURE JUL 20X9</Description>
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          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
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        <PortfolioSymbol>
          <Name>GWEQ9</Name>
          <Description>UK NATURAL GAS FUTURE AUG 20X9</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEU9</Name>
          <Description>UK NATURAL GAS FUTURE SEP 20X9</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEV9</Name>
          <Description>UK NATURAL GAS FUTURE OCT 20X9</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEX9</Name>
          <Description>UK NATURAL GAS FUTURE NOV 20X9</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>GWEZ9</Name>
          <Description>UK NATURAL GAS FUTURE DEC 20X9</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
  </Categories>
</Portfolio>