ATP to Announce Year-End 2009 Results

HOUSTON--(BUSINESS WIRE)--ATP Oil & Gas Corporation (NASDAQ:ATPG) will host a live conference call on Friday, March 12^th at 10:00 am CT to discuss the company’s year-end 2009 results followed by a Q&A session. ATP expects to issue a press release announcing annual financials and 2009 results before the market opens on Friday, March 12^th.

4^th Quarter and Year-End 2009 Results Conference Call

March 12, 2010

Time: 11:00 am ET; 10:00 am CT; 9:00 am MT and 8:00 am PT

ATP invites interested persons to listen to the live webcast on the company’s website at www.atpog.com. Phone participants should dial 877-675-4757. A digital replay of the conference call will be available at 888-203-1112, ID# 9413300, for a period of 24 hours beginning at 1:00 pm CT, and the webcast will be archived for 30 business days at www.atpog.com.

About ATP Oil & Gas Corporation

ATP Oil & Gas is an international offshore oil and gas development and production company with operations in the Gulf of Mexico and the North Sea. The company trades publicly as ATPG on the NASDAQ Global Select Market. For more information about ATP Oil & Gas Corporation, visit www.atpog.com.