Clayton Joins Rosetta as Vice President of Asset Operations

Rosetta Resources Inc. announced that John D. Clayton will join the Company as Vice President of Asset Operations, effective March 24, 2008.

Prior to joining Rosetta, Mr. Clayton was Manager, Lower 48 Business Development for ConocoPhillips, Inc. Mr. Clayton began his career with Burlington Resources Inc. and its predecessor companies where his career spanned over twenty years. At Burlington, he held a series of positions of increasing responsibility, most recently as Director, Worldwide Acquisitions and Divestitures. Mr. Clayton has extensive experience in several operations areas, including horizontal drilling applications, coal seam degasification, and shale gas and tight gas exploitation.

Randy Limbacher, Rosetta's President and CEO, commented, ``We are very pleased that John is joining Rosetta at this exciting time for our company. His background is highly suited to our business priorities of growth and value creation. His proven track record will be a great complement to Rosetta's very capable workforce.''

Mr. Clayton received a Bachelor of Science degree in Petroleum Engineering from Louisiana State University. He is a member of the Society of Petroleum Engineers and an associate member of the American Association of Petroleum Geologists and the American Association of Professional Landmen.