X0202 4 2004-06-09 0000891456 PLAINS EXPLORATION & PRODUCTION CO PXP 0001198447 WOMBWELL JOHN F 700 MILAM SUITE 3100 HOUSTON TX 77002 0 1 0 0 EVP, GC & Secretary Common Stock 2004-06-09 4 A 0 250000 0 A 320000 D Represents a grant of Restricted Stock Units from the PXP 2004 Stock Incentive Plan, as amended, vesting on the earlier of May 16, 2009 or the date the closing price per share equals or exceeds $37.92 on any ten out of twenty consecutive trading days on the NYSE or other exchange or market on which the shares primarily trade. John F. Wombwell 2004-06-09