Rising electricity demand fuels positive long-term outlook WILLDAN GROUP, INC. Q4 FY25 Earnings Call NASDAQ: WLDN February 26, 2026 Mike Bieber, President & CEO Kim Early, Executive Vice President & CFO Safe Harbor Statement – Statem ents in this presentation that are not purely historical, are forward -looking statements that involve risks and uncertai nties w ithin the meaning of the Private Securities Litigation Ref orm Act of 1995. Willdan's actual results could differ materially from those in any such ...

Company Overview - PEC Ltd has been approved for a 100% acquisition by Alliance Energy Services Pte Ltd for a transaction valued at US$160 million, leading to PEC's delisting from the Singapore Stock Exchange [1] - Liberty Energy Solutions Ltd, the majority owner of Alliance, provides energy engineering solutions and proprietary products to oil & gas refineries and petrochemical facilities globally, holding over 200 patents and performing more than 200 plant turnarounds annually for major clients [2] - PEC reported revenue of SGD 391 million and a net profit of SGD 15 million for the year ending December 31, 2024, with a net cash position of SGD 142 million [2] Strategic Alignment - The acquisition aligns with Liberty Energy's strategy to build a global platform for best-in-class energy solutions, leveraging PEC's strong management team and technical expertise [2] - PEC will continue to operate under its current leadership, enhancing Liberty Energy's capabilities in delivering a broader range of engineering services and products [2] Subsidiaries and Operations - Liberty Energy owns two subsidiaries: CR3 Pte Ltd, which specializes in energy engineering solutions across Asia and the Middle East, and ZymeFlow LLC, known for its innovative chemical decontamination solutions [2][4][6] - CR3 has a strong reputation in handling mission-critical reactor catalysts and offers various services including maintenance and EPC solutions [4] - ZymeFlow's product line is 100% biodegradable and aims to help clients meet sustainability goals while optimizing facility performance [6]