Willdan Group, Inc. (“Willdan”) (NASDAQ:WLDN), today announced the planned date for the release of its fourth quarter and full year 2014 financial results and the related conference call to discuss such results. On Tuesday, March 31, 2015, after market close, Willdan plans to announce its fourth quarter and full year 2014 financial results. Following the announcement, Chief Executive Officer Thomas Brisbin and Chief Financial Officer Stacy McLaughlin plan to host a conference call at 5:00 p.m. Eastern/2:00 p.m. Pacific on the same day, to discuss Willdan’s financial results.

Interested parties may participate in the conference call by dialing 888-500-6950 (719-785-1765 for international callers). When prompted, ask for the “Willdan Group, Inc., Fourth Quarter 2014 Conference Call.” The conference call will be webcast simultaneously on Willdan’s website at www.willdan.com under Investors: Events.

The telephonic replay of the conference call may be accessed approximately two hours after the call through April 14, 2015, by dialing 888-203-1112 (719-457-0820 for international callers). The replay access code is 7629975. The webcast replay will be archived for 12 months.

About Willdan Group, Inc.

Founded in 1964, Willdan is a provider of professional technical and consulting services to public agencies at all levels of government, public and private utilities and commercial and industrial firms. Willdan provides a broad range of services to clients, including engineering and planning, energy efficiency and sustainability, economic and financial consulting, and national preparedness and interoperability. For additional information, visit Willdan's website at www.willdan.com.

Forward-Looking Statements

Any statements made in this release that are not based on historical fact are forward-looking statements. Any forward-looking statements made in this release represent management's best judgment as to what may occur in the future. However, Willdan Group, Inc.'s actual outcome and results are not guaranteed and are subject to certain risks, uncertainties and assumptions, and may differ materially from what is expressed. For a description of factors that could cause actual results to differ materially from such forward-looking statements, see the discussion under the section "Risk Factors" included in Willdan's Form 10-K for the year ended December 27, 2013 filed on March 25, 2014.