ATP to Present at the C.K. Cooper Small-Cap Oil & Gas Conference

ATP Oil & Gas Corporation (NASDAQ:ATPG) will present February 21 — 22 at the C.K. Cooper Small-Cap Oil & Gas Conference in Palm Springs. Representing the company at presentations today and Friday are Gerald W. Schlief and Brian C. Nelson, Vice President of Finance. Presentations will not be webcast, but the slides will be posted on the company’s website at www.atpog.com. Management will also be available for one-on-one sessions during the conference. Please forward meeting requests to sthornton@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.