X0306 4 2013-05-31 1 0000891456 PLAINS EXPLORATION & PRODUCTION CO PXP 0001368039 Talbert Winston M 700 MILAM SUITE 3100 HOUSTON TX 77002 0 1 0 0 EVP & CFO Common Stock 2013-05-31 4 M 0 34725 A 587438 D Common Stock 2013-05-31 4 D 0 34725 46.01 D 552713 D Common Stock 2013-05-31 4 F 0 89614 D 463099 D Common Stock 2013-05-31 4 D 0 463099 D 0 D Performance Rights 2013-05-31 4 M 0 34725 D Common Stock 34725 0 D Performance Rights 2013-05-31 4 D 0 45000 D Common Stock 45000 0 D Represents cash-settled restricted stock units, all of which vested upon the merger with FCX, the value of which is equivalent to $46.01, which is the Per Share Amount in the merger agreement between PXP and FCX. Shares were traded for taxes based on the value of the merger consideration that each share was entitled to receive as of the close of business on May 30, 2013. Disposed of pursuant to merger agreement between PXP and FCX in exchange for shares of FCX common stock at an exchange ratio of ~ 1.43 per share and/or cash equal to $46.01 per share. Of these shares, 45,000 are restricted stock units that will vest over five years, with 22.5% vesting on each of March 31, 2014, March 31, 2015 and March 31, 2016 and 16.25% vesting on each of March 31, 2017 and March 31, 2018, which were assumed by FCX in the merger and replaced with 64,359 FCX restricted stock units with the same vesting terms. These performance rights, which represent cash-settled restricted stock units that will vest over three years, with 33.3% vesting on each of March 31, 2014, March 31, 2015 and March 31, 2016, each based on achievement of performance goals, were assumed by FCX in the merger and replaced with 64,359 cash-settled restricted stock units with the same vesting terms. Deborah R. Anderson, attorney-in-fact for Winston M. Talbert 2013-06-04