APA Stock A detailed look at our stock, the market and our peers. Performance Current financials plus key ratios and statistics. Financial Reports

Events and Presentations Upcoming events as well as archived presentations and webcasts. Upcoming Events October 30, 2008 Third Quarter 2008 Earnings Conference Call Archived Events September 2, 2008 Lehman Brothers CEO Energy/Power Conference July 31, 2008 Apache Second Quarter 2008 Earnings

APA Stock Apache common stock is listed on the New York and Chicago stock exchanges and quoted on the NASDAQ National Market under the symbol APA. Performance In 2007, Apache increased production 12 percent, grew proved reserves by 6 percent, earned a record $2.8 billion, or 8.39 per diluted common share, and generated a record $6.2 billion of cash from operations before changesin operating assets and liabilities. 2007 Financial Highlights Revenues (in millions) $9,978 Income Attributable to Common Stock $2,807 Diluted Net Income Per Common Share $8.39 Assets (in millions) $28,635 Financial Reports When it comes to discovery, Apache Corporation took its global exploration to new heights in 2007. Also see Non-GAAP Reconciliations SEC Filings

Events and Presentations Upcoming events as well as archived presentations and webcasts. Upcoming Events October 30, 2008 Third Quarter 2008 Earnings Conference Call Archived Events September 2, 2008 Lehman Brothers CEO Energy/Power Conference July 31, 2008 Apache Second Quarter 2008 Earnings Market Wrap Compare Apache stock to the market and our peers. Shareholder Resources A detailed look at our stock, the market and our peers. Also see Dividend History Dividend Reinvestment Plan Historical Price Lookup Transfer Agent Offshore Investment Partnership Also inside Analyst Coverage Investor Kit