PXP Announces Upcoming Investor Events

• PXP is scheduled to present at the 2010 Credit Suisse Energy Summit on Thursday, February 4, 2010 at 10:35 a.m. Mountain time. A live webcast and 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 2009 fourth quarter and year end results on Thursday,  February 25, 2010 before the market opens and will host its quarterly conference call that same day, Thursday, February 25, 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: 50568720. The replay will be available through Thursday, March 11, 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 during the call and for 60 days after the event date.