X0206 3 2020-03-26 0 0001001385 NORTHWEST PIPE CO NWPX 0001445525 Kendrick Megan A. 201 NE PARK PLAZA DRIVE SUITE 100 VANCOUVER WA 98684 1 VP of Human Resources Common Stock 485 D Restricted Stock Common Stock 566 D Performance Shares Common Stock 2547 D The Restricted Stock Units vest in installments as follows: 1/3 on January 15, 2020, 1/3 on January 15, 2021 and 1/3 on January 17, 2022. Each Restricted Stock Unit represents a contingent right to receive one share of Northwest Pipe Company common stock. Performance shares vest in installments as follows: 2/3 March 31, 2020 and 1/3 March 31, 2021. Performance Shares vest in an amount ranging from 0-150% 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. /s/ Megan Kendrick 2020-03-30