Laurel Industries, Inc.

As at B & D Cogen Funding Corp.
Assistant Sec. at Basic Chemicals Company, LLC
Assistant Secretary at Bravo Pipeline Company
Assistant Secretary at Cain Chemical Inc.
Assistant Sec. at Cave Resources LLC
As at Chesapeake Panhandle, Inc.
Assistant Secretary at D. S. Ventures, Inc.
Assistant Sec. at Dsz Gas Supply, Inc.
Assistant Secretary at Glenn Springs Holdings, Inc.
Assistant Secretary at Indspec Chemical Corporation
Assistant Secretary at Ingleside Cogeneration Gp 2, Inc.
Assistant Secretary at Ingleside Cogeneration Gp, Inc.
Assistant Sec. at Jpw Resources, LLC
Assistant Sec. at Karst Resources LLC
Assistant Secretary at Laguna Petroleum Corporation
As at Mog Corporation
Assistant Secretary at Natural Gas Odorizing, Inc.
Secretary at Occidental Ammonia Corporation
Assistant Sec. at Occidental Ammonia Corporation
Assistant Secretary at Occidental Chemical Corporation
Assistant Secretary at Occidental Chemical Investment (Canada) 1, Inc.
Assistant Secretary at Occidental Chemical Investment (Canada) 2, Inc.
Assistant Secretary and Secretary at Occidental Energy Marketing, Inc.
Assistant Secretary at Occidental Energy Transportation LLC
Assistant Secretary at Occidental Energy Ventures Corp.
Secretary at Occidental Feed Phosphate Corporation
Assistant Sec. at Occidental Feed Phosphate Corporation
Assistant Secretary at Occidental International Corporation
Assistant Secretary at Occidental Middle East Development Company
Assistant Secretary at Occidental Oil and Gas Corporation
Assistant Secretary at Occidental Permian Manager LLC
Assistant Secretary at Occidental Permian Services, Inc.
Secretary at Occidental Petroleum Corporation
As at Occidental Petroleum Exploration Company
Assistant Secretary at Occidental Power Services, Inc.
Assistant Secretary at Occidental Pvc, LLC
Secretary at Occidental Research Corporation
Assistant Secretary at Occidental Specialty Marketing, Inc.
Assistant Sec. at Occidental Texas Gas Partners, Inc.
Assistant Secretary at Occidental Tower Corporation
Assistant Sec. at Occidental Vcm LLC
Assistant Secretary at Oevc Energy, LLC
Assistant Secretary at Opm Gp, Inc.
Assistant Sec. at Oxy Ch Corporation
Assistant Secretary at Oxy Chemical Corporation
Assistant Secretary at Oxy Energy Services, Inc.
Assistant Secretary at Oxy Inc.
Assistant Secretary at Oxy Pblp Manager, LLC
Assistant Sec. at Oxy Resources Omega LLC
Assistant Secretary at Oxy USA Inc.
As at Oxy Vcm Corporation
Assistant Secretary at Oxychem Corporation
Assistant Sec. at Pdg Chemical Inc.
Assistant Secretary at Permian Vpp Manager, LLC
Assistant Secretary at Placid Oil Company
Assistant Sec. at Ring Around Products, Inc.
Assistant Secretary at Transok Properties, LLC
Assistant Secretary at Troy Potter, Inc.
Assistant Sec. at Vintage Gas, Inc.
Assistant Sec. at Vintage Marketing, Inc.
Assistant Secretary at Vintage Petroleum, LLC
Assistant Sec. at Vintage Pipeline, Inc.