Hess Reports Estimated Results for the Fourth Quarter of 2012

Fourth Quarter Highlights:

• Net income was $566 million, compared with a net loss of $131 million in the fourth quarter of 2011
• Net income excluding items affecting comparability between periods was $409 million compared with $394 million in the fourth quarter of 2011
• Oil and gas production increased to 396,000 barrels of oil equivalent per day, up from 367,000 in the fourth quarter of 2011
• Net cash provided by operating activities was $1,570 million, compared with $1,138 million in the fourth quarter of 2011
• Year-end total proved reserves were 1,553 million barrels of oil equivalent; reserve replacement for 2012 was 141 percent