The investment seeks to reflect the daily percentage changes of the spot price of natural gas delivered at the Henry Hub, Louisiana as measured by the daily changes in the average of the prices of 12 futures contracts on natural gas traded on the New York Mercantile Exchange. The Benchmark Futures Contracts are the futures contracts on natural gas as traded on the NYMEX that are the near month contract to expire, and the contracts for the following 11 months, for a total of 12 consecutive months’ contracts, except when the near month contract is within two weeks of expiration.