﻿<?xml version="1.0" encoding="UTF-8"?>
<Portfolio>
  <Name>NR - NW PIPELINE ROCKIES BASIS FUTURE</Name>
  <Categories>
    <PortfolioCategory>
      <Name>Year 20X0</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>NRF0</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE JAN 20X0</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRG0</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE FEB 20X0</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRH0</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE MAR 20X0</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRJ0</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE APR 20X0</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRK0</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE MAY 20X0</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRM0</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE JUN 20X0</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRN0</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE JUL 20X0</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRQ0</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE AUG 20X0</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRU0</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE SEP 20X0</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRV0</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE OCT 20X0</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRX0</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE NOV 20X0</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRZ0</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE DEC 20X0</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 20X1</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>NRF1</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE JAN 20X1</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRG1</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE FEB 20X1</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRH1</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE MAR 20X1</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRJ1</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE APR 20X1</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRK1</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE MAY 20X1</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRM1</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE JUN 20X1</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRN1</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE JUL 20X1</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRQ1</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE AUG 20X1</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRU1</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE SEP 20X1</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRV1</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE OCT 20X1</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRX1</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE NOV 20X1</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRZ1</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE DEC 20X1</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 20X2</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>NRF2</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE JAN 20X2</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRG2</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE FEB 20X2</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRH2</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE MAR 20X2</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRJ2</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE APR 20X2</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRK2</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE MAY 20X2</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRM2</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE JUN 20X2</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRN2</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE JUL 20X2</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRQ2</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE AUG 20X2</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRU2</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE SEP 20X2</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRV2</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE OCT 20X2</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRX2</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE NOV 20X2</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRZ2</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE DEC 20X2</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 20X3</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>NRF3</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE JAN 20X3</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRG3</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE FEB 20X3</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRH3</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE MAR 20X3</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRJ3</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE APR 20X3</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRK3</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE MAY 20X3</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRM3</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE JUN 20X3</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRN3</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE JUL 20X3</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRQ3</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE AUG 20X3</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRU3</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE SEP 20X3</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRV3</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE OCT 20X3</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRX3</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE NOV 20X3</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRZ3</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE DEC 20X3</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 20X4</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>NRF4</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE JAN 20X4</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRG4</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE FEB 20X4</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRH4</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE MAR 20X4</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRJ4</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE APR 20X4</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRK4</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE MAY 20X4</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRM4</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE JUN 20X4</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRN4</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE JUL 20X4</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRQ4</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE AUG 20X4</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRU4</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE SEP 20X4</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRV4</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE OCT 20X4</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRX4</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE NOV 20X4</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRZ4</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE DEC 20X4</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 20X5</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>NRF5</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE JAN 20X5</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRG5</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE FEB 20X5</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRH5</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE MAR 20X5</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRJ5</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE APR 20X5</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRK5</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE MAY 20X5</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRM5</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE JUN 20X5</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRN5</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE JUL 20X5</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRQ5</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE AUG 20X5</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRU5</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE SEP 20X5</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRV5</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE OCT 20X5</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRX5</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE NOV 20X5</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRZ5</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE DEC 20X5</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 20X6</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>NRF6</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE JAN 20X6</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRG6</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE FEB 20X6</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRH6</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE MAR 20X6</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRJ6</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE APR 20X6</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRK6</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE MAY 20X6</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRM6</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE JUN 20X6</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRN6</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE JUL 20X6</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRQ6</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE AUG 20X6</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRU6</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE SEP 20X6</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRV6</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE OCT 20X6</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRX6</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE NOV 20X6</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRZ6</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE DEC 20X6</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 20X7</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>NRF7</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE JAN 20X7</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRG7</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE FEB 20X7</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRH7</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE MAR 20X7</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRJ7</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE APR 20X7</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRK7</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE MAY 20X7</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRM7</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE JUN 20X7</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRN7</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE JUL 20X7</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRQ7</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE AUG 20X7</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRU7</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE SEP 20X7</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRV7</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE OCT 20X7</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRX7</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE NOV 20X7</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRZ7</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE DEC 20X7</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 20X8</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>NRF8</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE JAN 20X8</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRG8</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE FEB 20X8</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRH8</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE MAR 20X8</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRJ8</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE APR 20X8</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRK8</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE MAY 20X8</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRM8</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE JUN 20X8</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRN8</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE JUL 20X8</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRQ8</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE AUG 20X8</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRU8</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE SEP 20X8</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRV8</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE OCT 20X8</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRX8</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE NOV 20X8</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRZ8</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE DEC 20X8</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 20X9</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>NRF9</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE JAN 20X9</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRG9</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE FEB 20X9</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRH9</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE MAR 20X9</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRJ9</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE APR 20X9</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRK9</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE MAY 20X9</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRM9</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE JUN 20X9</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRN9</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE JUL 20X9</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRQ9</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE AUG 20X9</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRU9</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE SEP 20X9</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRV9</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE OCT 20X9</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRX9</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE NOV 20X9</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>NRZ9</Name>
          <Description>NW PIPELINE ROCKIES BASIS FUTURE DEC 20X9</Description>
          <Decimals>3</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>1</PipFraction>
          <TickSize>0.001</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
  </Categories>
</Portfolio>