X0306 4 2021-03-15 0 0000021535 COHU INC COHU 0001227344 KAMPFER THOMAS D 12367 CROSTHWAITE CIRCLE POWAY CA 92064 0 1 0 0 VP Corp Dev, GC & Sec Restricted Stock Units 2021-03-15 4 A 0 4576 0.00 A 72243 D Performance Stock Units 2021-03-15 4 A 0 4576 0.00 A 76819 D Each Restricted Stock Unit (RSU) represents a contingent right to receive one share of Cohu, Inc. Common Stock upon vesting. The RSUs vest in four equal annual installments beginning March 15, 2022 (assuming continued employment). Represents Performance Stock Units (also referred to as RSUs) that will be converted on a one-for-one basis into shares of Cohu, Inc. Common Stock upon vesting. These Performance Stock Units will vest only after the achievement of specified performance goals (total shareholder return). Provided such goals are achieved and subject to continued employment through the vesting date, vesting is scheduled to occur in full on the third anniversary of the date of grant (March 15, 2024). The number of shares shown is the target award level. The actual number of shares that may vest ranges from 0% to 200% of the target amount, depending on achievement of specified performance goals. Number of shares includes 68,242 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 2021-03-16