Willdan Group, Inc. ("Willdan") (NASDAQ:WLDN), today announced that it will release its financial results for the first quarter 2025 after the close of the stock market on Thursday, May 8, 2025. Following the release, Willdan will host its investor conference call at 5:30 p.m. EST / 2:30 p.m. PST.

An online, real-time audio webcast of the quarterly investor conference call will be available on Willdan's website at: Willdan Group Q1 2025 Investor Conference Call alternatively, listeners may access the call by dialing 877-407-2988 (or 201-389-0923) at least five minutes prior to the 5:30 p.m. EDT / 2:30 p.m. PDT start time. An online replay of earnings webcast will be available a few hours after the completion of the call at https://ir.willdangroup.com/events-presentations.

About Willdan

Willdan is a nationwide provider of professional, technical, and consulting services to utilities, government agencies, and private industry. Willdan's service offerings span a broad set of complementary disciplines that include electric grid solutions, energy efficiency and sustainability, energy policy planning and advisory, engineering and planning, and municipal financial consulting. For additional information, visit Willdan's website at www.willdan.com. Follow Willdan on LinkedIn and Facebook.

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Al Kaschalk / (310) 922-5643

akaschalk@willdan.com

Willdan Announces Date of First Quarter 2025 Earnings Release and Conference Call