Transaction Details

Footnotes

Shares were transferred as a non-sale transaction without monetary consideration pursuant to a domestic relations order in connection with a divorce settlement. The reporting person no longer has any pecuniary interest in these securities. | Each Restricted Stock Unit represents a contingent right to receive one share of Northwest Pipe Company common stock. | The Restricted Stock Units vest in installments in January 2026, 2027 and 2028. | Performance Shares vest in an amount ranging from 0-200% to the extent such Performance Shares are earned. Performance Shares are earned based on Northwest Pipe Company's total EBITDA margin over the measurement period. | The Performance Shares vest in installments in March of 2026, 2027 and 2028.