Noble pays $2.1B for Rosetta

NEW YORK — Noble Energy will pay about $2.1 billion US for Rosetta Resources in an all-stock deal that gives the oil and gas company access to two massive Texas shale formations. Assets belonging to Rosetta Resources Inc. include about 50,000 net acres in the Eagle Ford Shale and another 56,000 acres in the Permian Basin. The deal will immediately boost its per-share production and earnings at Noble Energy Inc., the company said Monday.