Press Release Jun 23, 2009

Jacobs Receives Supplement from the Missouri Department of Transportation for State Route 141 Improvements

PASADENA, Calif., June 23, 2009 /PRNewswire-FirstCall via COMTEX/ -- Jacobs Engineering Group Inc. (NYSE: JEC) announced today that it received a supplement from the Missouri Department of Transportation (MoDOT) to add final and post-design services to its existing preliminary and right-of-way design contract for Missouri Route 141 improvements. This project includes roadway and bridge design for improvements to three miles of the continuous multilane arterial from Missouri Route 340 (Olive Boulevard) south to U.S. Highway 40 in St. Louis County.

The contract supplement is valued at $5 million.

In making the announcement, Jacobs Group Vice President Kevin McMahon stated, "We are excited to continue our work with MoDOT on this critical regional link. When complete, Route 141 will improve traffic flow."

Jacobs, with annual revenues exceeding $12 billion, is one of the world's largest and most diverse providers of technical, professional, and construction services.

Any statements made in this release that are not based on historical fact are forward-looking statements. Although such statements are based on management's current estimates and expectations, and currently available competitive, financial, and economic data, forward-looking statements are inherently uncertain. We, therefore, caution the reader that there are a variety of factors that could cause business conditions and results to differ materially from what is contained in our forward-looking statements. For a description of some of the factors which may occur that could cause actual results to differ from our forward-looking statements please refer to our 2008 Form 10-K, and in particular the discussions contained under Items 1 - Business, 1A - Risk Factors, 3 - Legal Proceedings, and 7 - Management's Discussion and Analysis of Financial Condition and Results of Operations. We also caution the readers of this release that we do not undertake to update any forward-looking statements made herein.

For additional information, contact:

Michelle Jones

626.578.6968

SOURCE Jacobs Engineering Group Inc.

http://www.jacobs.com