﻿<?xml version="1.0" encoding="UTF-8"?>
<Portfolio>
  <Name>CBS - PSV PHYSICAL NATURAL GAS SEASONAL F</Name>
  <Categories>
    <PortfolioCategory>
      <Name>Year 20X0</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>CBSF0</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F JAN 20X0</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSG0</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F FEB 20X0</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSH0</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F MAR 20X0</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSJ0</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F APR 20X0</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSK0</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F MAY 20X0</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSM0</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F JUN 20X0</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSN0</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F JUL 20X0</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSQ0</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F AUG 20X0</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSU0</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F SEP 20X0</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSV0</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F OCT 20X0</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSX0</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F NOV 20X0</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSZ0</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F 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>CBSF1</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F JAN 20X1</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSG1</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F FEB 20X1</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSH1</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F MAR 20X1</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSJ1</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F APR 20X1</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSK1</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F MAY 20X1</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSM1</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F JUN 20X1</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSN1</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F JUL 20X1</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSQ1</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F AUG 20X1</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSU1</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F SEP 20X1</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSV1</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F OCT 20X1</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSX1</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F NOV 20X1</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSZ1</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F 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>CBSF2</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F JAN 20X2</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSG2</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F FEB 20X2</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSH2</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F MAR 20X2</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSJ2</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F APR 20X2</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSK2</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F MAY 20X2</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSM2</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F JUN 20X2</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSN2</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F JUL 20X2</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSQ2</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F AUG 20X2</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSU2</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F SEP 20X2</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSV2</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F OCT 20X2</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSX2</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F NOV 20X2</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSZ2</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F 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>CBSF3</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F JAN 20X3</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSG3</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F FEB 20X3</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSH3</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F MAR 20X3</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSJ3</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F APR 20X3</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSK3</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F MAY 20X3</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSM3</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F JUN 20X3</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSN3</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F JUL 20X3</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSQ3</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F AUG 20X3</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSU3</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F SEP 20X3</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSV3</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F OCT 20X3</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSX3</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F NOV 20X3</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSZ3</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F 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>CBSF4</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F JAN 20X4</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSG4</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F FEB 20X4</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSH4</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F MAR 20X4</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSJ4</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F APR 20X4</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSK4</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F MAY 20X4</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSM4</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F JUN 20X4</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSN4</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F JUL 20X4</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSQ4</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F AUG 20X4</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSU4</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F SEP 20X4</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSV4</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F OCT 20X4</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSX4</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F NOV 20X4</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSZ4</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F 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>CBSF5</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F JAN 20X5</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSG5</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F FEB 20X5</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSH5</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F MAR 20X5</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSJ5</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F APR 20X5</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSK5</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F MAY 20X5</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSM5</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F JUN 20X5</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSN5</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F JUL 20X5</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSQ5</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F AUG 20X5</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSU5</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F SEP 20X5</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSV5</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F OCT 20X5</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSX5</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F NOV 20X5</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSZ5</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F 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>CBSF6</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F JAN 20X6</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSG6</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F FEB 20X6</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSH6</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F MAR 20X6</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSJ6</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F APR 20X6</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSK6</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F MAY 20X6</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSM6</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F JUN 20X6</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSN6</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F JUL 20X6</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
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        <PortfolioSymbol>
          <Name>CBSQ6</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F AUG 20X6</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSU6</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F SEP 20X6</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSV6</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F OCT 20X6</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSX6</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F NOV 20X6</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSZ6</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F DEC 20X6</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 20X7</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>CBSF7</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F JAN 20X7</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSG7</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F FEB 20X7</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSH7</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F MAR 20X7</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSJ7</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F APR 20X7</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSK7</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F MAY 20X7</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSM7</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F JUN 20X7</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSN7</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F JUL 20X7</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSQ7</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F AUG 20X7</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSU7</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F SEP 20X7</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSV7</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F OCT 20X7</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSX7</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F NOV 20X7</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSZ7</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F DEC 20X7</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 20X8</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>CBSF8</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F JAN 20X8</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSG8</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F FEB 20X8</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSH8</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F MAR 20X8</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSJ8</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F APR 20X8</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSK8</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F MAY 20X8</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSM8</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F JUN 20X8</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSN8</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F JUL 20X8</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSQ8</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F AUG 20X8</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSU8</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F SEP 20X8</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSV8</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F OCT 20X8</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSX8</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F NOV 20X8</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSZ8</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F DEC 20X8</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 20X9</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>CBSF9</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F JAN 20X9</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSG9</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F FEB 20X9</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSH9</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F MAR 20X9</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSJ9</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F APR 20X9</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSK9</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F MAY 20X9</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSM9</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F JUN 20X9</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSN9</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F JUL 20X9</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSQ9</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F AUG 20X9</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSU9</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F SEP 20X9</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSV9</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F OCT 20X9</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSX9</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F NOV 20X9</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>CBSZ9</Name>
          <Description>PSV PHYSICAL NATURAL GAS SEASONAL F DEC 20X9</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.005</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
  </Categories>
</Portfolio>