On May 6, 2021, William Smith, Executive Vice President of Water Transmission Engineered Systems of Northwest Pipe Company informed the Company that he will retire in April 2022. Mr. Smith, will continue to consult with the Company in an advisory capacity on an as-needed basis after his retirement. To assist with various transitions prior to Mr. Smith’s retirement, Miles Brittain has been named Executive Vice President, effective May 6, 2021. Mr. Brittain has served as Senior Vice President of Operations since February 2020. Prior to that, Mr. Brittain served as Vice President of Operations for Water Transmission Engineered Systems from September 2018 to February 2020 and Vice President of Operations, Water Transmission from 2013 to September 2018. Prior to joining the Company, Mr. Brittain served in the steel industry for over 28 years, holding key positions including Vice President and General Manager for EVRAZ North America/Claymont Steel, Director of Operations for EVRAZ North America/Oregon Steel Mills Inc., and Regional Director of Quality Assurance for National Steel Corporation. Mr. Brittain has no direct or indirect material interest in any transaction required to be disclosed pursuant to Item 404(a) of Regulation S-K, and Mr. Brittain has no familial relationships with executives or directors of the Company. There are no arrangements or understandings between Mr. Brittain and any other person pursuant to which he was selected as an officer.