February 23, 2023 - Northwest Pipe Company (Nasdaq: NWPX), a leading manufacturer of water-related infrastructure, announced today the appointment of Irma Lockridge to the Company's Board of Directors ("the Board") effective February 22, 2023.

Ms. Lockridge was unanimously elected to the Board as an independent director in accordance with Company Bylaws and Corporate Governance Principles. The Board anticipates additional committee appointments for Ms. Lockridge to be concluded upon in its next meeting.

Ms. Lockridge's background includes senior-level roles with predominantly Fortune 100 and 500 organizations, and she currently holds the position of Chief People Officer at CoorsTek, a global leader in technical ceramics. Ms. Lockridge has extensive experience in human resources and talent management, organizational design, executive compensation, succession planning, and diversity, equity and inclusion. She has previous experience on both publicly traded and private company boards.

"Irma is an excellent addition to our Board of Directors and will provide leadership in organizational development which is key in supporting Northwest Pipe as we continue to grow," said Scott Montross, President and Chief Executive Officer of Northwest Pipe Company. "With experience in human capital; diversity, equity, and inclusion programs, and manufacturing processes, we are confident she will make a valuable contribution to the Company."