X0306 4 2016-08-11 0 0000902791 BARRETT BUSINESS SERVICES INC BBSI 0001681778 Kramer Gary 8100 N.E. PARKWAY DRIVE SUITE 200 VANCOUVER WA 98662 0 1 0 0 VP - Finance, Treas. & Sec. Restricted Stock Units 2016-08-11 4 A 0 30000 0 A Common Stock 30000 30000 D Each Restricted Stock Unit represents a contingent right to receive one share of the Issuer's common stock. The Restricted Stock Units vest in four equal annual installments beginning on August 11, 2017, and will be settled by delivery of unrestricted shares of common stock on the vesting date. /s/ Gary Kramer 2016-08-15