X0306 4 2018-01-01 0 0000021535 COHU INC COHU 0001222030 DONAHUE JAMES A 12367 CROSTHWAITE CIRCLE POWAY CA 92064 1 0 0 0 Common Stock 2018-01-01 4 F 0 23903 0.00 D 382819 D Represents shares to cover tax obligations for 68,284 Deferred Stock Units (DSUs) that were settled on January 1, 2018. The settled DSUs were based on the following previously vested RSUs and PSUs with deferred issuance to January 1, 2018: RSUs in the amounts of 13,002 (vested 3/26/14); 13,001 (vested 3/26/15); 13,001 (vested 3/26/16); and 13,001 (vested 3/26/17). PSUs in the amounts of 5,427 (vested 3/26/14); 5,427 (vested 3/26/15); and 5,425 (vested 3/26/16). Includes 39,711 Restricted Stock Units (RSUs) and 2,780 Deferred Stock Units (DSUs). Each RSU represents a contingent right to receive one share of Cohu, Inc. Common Stock upon vesting (assuming continued service to the Board). Each DSU is equal to one share Cohu, Inc. Common Stock and will be settled through the issuance of common stock (i) upon the reporting person's termination of service as a director or (ii) at certain specified future dates. Jeffrey D. Jones, by Power of Attorney 2018-01-03