Plains Exploration & Production Co. - 2012-10-24

Offered senior notes issued in an underwritten public offering. Net proceeds will fund a portion of the acquisition of oil and gas interests in the Gulf of Mexico from BP Exploration & Production Inc., BP America Production Co. and Shell Offshore Inc. J.P. Morgan Securities LLC, Barclays Capital Inc., BMO Capital Markets Corp., Citigroup and Wells Fargo Securities LLC are acting as joint book-running managers of the offering.