--  PXP is scheduled to present at the Howard Weil 38th Annual Energy
      Conference on Tuesday, March 23, 2010 at 9:15 a.m. Central time. A
      copy of the presentation will be available in the Investor Information
      section of PXP's website at www.pxp.com.
  --  PXP is scheduled to release 2010 first quarter results on Thursday,
      May 6, 2010 before the market opens and will host its quarterly
      conference call that same day, Thursday, May 6, 2010, at 8:00 a.m.
      Central time.

Investors wishing to participate in the conference call may dial 1-800-567-9836 or 1-973-935-8460. The conference call and replay ID is: 63883713. The replay will be available through Thursday, May 20, 2010 and can be accessed by dialing 1-800-642-1687 or 1-706-645-9291.

A live webcast of the conference call will be available in the Investor Information section of PXP's website at www.pxp.com.

PXP is an independent oil and gas company primarily engaged in the activities of acquiring, developing, exploring and producing oil and gas in California, Texas, Louisiana and the Gulf of Mexico. PXP is headquartered in Houston, Texas.

Source: Plains Exploration & Production Company