Blake D. Gall

Founded in 1974, OFI Global Institutional, Inc. is a SEC-registered investment advisor headquartered in New York City. The firm is also a commodity pool operator and commodity trading advisor registered with the U.S. Commodity Futures Trading Commission and the National Futures Association. OFI Global Institutional is a wholly-owned subsidiary of OppenheimerFunds, Inc. (OFI), which, in turn, is a wholly-owned subsidiary of Oppenheimer Acquisition Corp. (OAC). Massachusetts Mutual Life Insurance Co. (MassMutual), through its subsidiary, is the indirect primary shareholder of OAC. The firm provides investment advisory services to various types of clients, including trusts, pension plans, insurance company separate accounts, foundations, corporations, ERISA qualified retirement plans, governmental plans, foreign entities (including governmental entities, corporations, investment companies and pension plans), mutual funds, private funds, and bank sponsored collective investment trusts.

Part of Pioneer Natural Resources Co., Prudential Bache Energy Partnerships is a limited partnership investment concern. The company is based in New York, NY. Prudential Bache Energy Partnerships was acquired by Parker & Parsley Acquisition Co. on July 07, 1993 for $446.54 million.