ANAHEIM, Calif., & TUCSON, Ariz., Jan 24, 2007 (BUSINESS WIRE) -- Willdan Group, Inc. (NASDAQ:WLDN), a leading provider of outsourced services to public agencies, today announced that David Williams, AICP, has been appointed Principal Planner in the Tucson, Arizona office of Willdan, the Company's largest subsidiary and among the largest providers of municipal engineering services in the western United States.

Mr. Williams has over 20 years experience in urban and regional planning primarily for public agencies. His background includes management of planning projects with specific emphasis on land use regulation, zoning code updates and amendments, general and specific plan preparation, public participation, land use and demographic analysis, and implementation measures. Prior to joining Willdan, Mr. Williams was the principal of DWA, a municipal planning firm in Tucson. He has additional experience securing funding assistance, managing consultant contracts, and overseeing project administration for planning services projects. Mr. Williams authored the first General Plan for the City of Maricopa, Arizona and established an acclaimed Development Services review process while serving as Planning Director for the Town of Sahuarita, Arizona. He is a registered member of the American Institute of Certified Planners (AICP) and holds an MS in Urban & Regional Planning from the University of Arizona.

"Willdan provides a wide range of services to planning and community development departments within cities," explained Richard Kopecky, President and Chief Executive Officer of Willdan, WGI's largest subsidiary. "Cities may contract with us to handle the entire planning function for high-growth or newly incorporated cities or to relieve peak workload situations. The Tucson area is experiencing rapid growth and development and is currently among the highest growth regions in Arizona. We enthusiastically welcome Mr. Williams and his leadership to our organization in southern Arizona."

About Willdan Group, Inc.

Founded over 40 years ago, Willdan Group, Inc. is a leading provider of outsourced services to public agencies located primarily in California and other western states. Willdan Group, Inc. assists cities and other government agencies with a broad range of services, including civil engineering, building and safety services, geotechnical engineering, financial and economic consulting, and disaster preparedness and homeland security. www.willdangroup.com

Willdan, a wholly owned subsidiary of Willdan Group, Inc., is an engineering and planning firm dedicated to serving the individual needs of cities, towns, counties, special districts, as well as state and federal agencies. Willdan has offices throughout California, Arizona, and Nevada that serve more than 400 public sector clients. www.willdan.com

Forward-Looking Statements

Safe Harbor Statement: Statements in this press release which are not purely historical, including statements regarding Willdan Group's intentions, hopes, beliefs, expectations, representations, projections, estimates, plans or predictions of the future are forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. The forward-looking statements involve risks and uncertainties including, but not limited to, the risk that the Company will not be able to expand its planning services within the southern Arizona market. It is important to note that the Company's actual results could differ materially from those in any such forward-looking statements. Factors that could cause actual results to differ materially include, but are not limited to, a downturn in public and private sector construction activity in the southern Arizona market, a slowdown in the local and regional economies of southern Arizona, new legislation that limits the ability of state, regional or local agencies to contract for the Company's privatized services, and the loss of or inability to hire additional qualified professionals. The Company's business could be affected by a number of other factors, including the risk factors listed from time to time in the Company's SEC reports including, but not limited to, the Registration Statement on Form S-1/A filed with the Securities and Exchange Commission on November 3, 2006. The Company cautions investors not to place undue reliance on the forward-looking statements contained in this press release. Willdan Group, Inc. disclaims any obligation, and does not undertake to update or revise any forward-looking statements in this press release.

SOURCE: Willdan Group, Inc.

Willdan Group, Inc.
Mallory McCamant, Chief Financial Officer, 714-940-6327
mallory@willdangroup.com
or
The Abernathy MacGregor Group Inc.
Moira Conlon, 213-630-6550
MHC@abmac.com

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