Press Release Dec 18, 2009

Jacobs Acquires TYBRIN

Acquisition to Strengthen Position in Aerospace and Defense Sector

PASADENA, Calif., Dec 18, 2009 /PRNewswire-FirstCall via COMTEX/ -- Jacobs Engineering Group Inc. (NYSE: JEC) announced today that it has acquired TYBRIN Corporation (TYBRIN), a 1,500-person professional services firm headquartered in Fort Walton Beach, Fla. Jacobs did not disclose the terms of the transaction.

Founded in 1972, TYBRIN is a leading supplier of mission planning solutions, systems engineering, software development, modeling and combat environment simulation, engineering and testing, range safety, and other services to the United States Department of Defense (DoD), NASA, and other Government clients. In 2009, the Company was ranked 86th among the Top 100 Federal Prime Contractors by Washington Technology.

In making the announcement TYBRIN Chief Executive Officer Bill Pennington stated, "We are delighted to be combining our capabilities with a company that shares our values. We expect our employees and customers to benefit greatly from this transaction. It allows our employees to continue to grow and provides a larger platform and better reach back for our customers. Like TYBRIN, the combined company is an excellent place to work, filled with very talented and dedicated folks."

Jacobs President and Chief Executive Officer Craig Martin said, "This acquisition supports our commitment to continued enhancement of our capabilities and services in the aerospace and defense sector. TYBRIN is a terrific company. The combination of TYBRIN's specialized technical services with our already robust capabilities significantly expands our ability to serve our clients and assist them in meeting mission objectives."

Jacobs 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 2009 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:

John W. Prosser, Jr.

Executive Vice President, Finance and Administration

626.578.6803

SOURCE Jacobs Engineering Group Inc.

http://www.jacobs.com