WILLDAN GROUP, INC. – Amendments to 2008 Performance Incentive Plan

On June 17, 2026, Willdan Group, Inc. held its Annual Meeting of Stockholders where several key proposals were voted upon. The stockholders approved amendments to the Willdan Group, Inc. 2008 Performance Incentive Plan, which include increasing the number of available shares by 380,000 to a new aggregate limit of 6,099,167 shares, increasing the limit for incentive stock options by 380,000 to 6,330,000 shares, and extending the plan's term to April 19, 2036. Additionally, the appointment of Crowe LLP as the independent registered public accounting firm for fiscal year 2026 was ratified, and the company's executive officer compensation was approved on an advisory basis. The Board determined that advisory votes on executive compensation will occur annually. Seven director nominees were elected to the Board. The meeting achieved a quorum with 79.91% of the issued and outstanding shares represented.