X0306 4 2019-03-20 0 0000021535 COHU INC COHU 0001509513 Muller Luis A 12367 CROSTHWAITE CIRCLE POWAY CA 92064 0 1 0 0 President & CEO Common Stock 2019-03-20 4 F 0 3813 0.00 D 479238 D Represents shares that were automatically withheld upon vesting of Restricted Stock Units (RSUs) to cover tax obligations in a transaction exempt under Rule 16(b)-3. Number of shares includes 299,248 RSUs (excluding the impact of shares that will be withheld to cover tax obligations) previously reported that in the future will be converted on a one-for-one basis into shares of Cohu, Inc. Common Stock immediately upon the vesting dates (assuming continued employment and achievement of specified performance goals). Jeffrey D. Jones, by Power of Attorney 2019-03-22