Hess Reports Estimated Results for the Second Quarter of 2015

Second Quarter Highlights:

• Adjusted net loss was $147 million or $0.52 per share compared to net income of $432 million or $1.38 per share in the prior-year quarter; lower hydrocarbon prices reduced second quarter 2015 adjusted net income by approximately $740 million, after-tax

• Net loss was $567 million compared to net income of $931 million in the second quarter of 2014

• Oil and gas production increased to 391,000 barrels of oil equivalent per day (boepd) compared to 319,000 boepd in the second quarter of 2014

• Oil and gas production in the Bakken was 119,000 boepd, up from 80,000 boepd in the year-ago quarter

• Announced sale of 50% interest in Bakken Midstream, resulting in $3 billion of cash proceeds

• Capital and exploratory expenditures totaled $1.1 billion in the second quarter down from $1.3

  billion in the prior-year quarter

• Liza-1 well completed on the Stabroek Block, offshore Guyana; announced as a significant discovery by the operator