X0306 4 2020-05-04 0 0000855658 LATTICE SEMICONDUCTOR CORP LSCC 0001644651 ANDERSON JAMES ROBERT 5555 NE MOORE COURT HILLSBORO OR 97124 1 1 0 0 President & CEO Common Stock 2020-05-04 4 M 0 32273 0.0 A 240475 D Common Stock 2020-05-04 4 F 0 16936 21.54 D 223539 D Common Stock 2020-05-04 4 M 0 32274 0.0 A 255813 D Common Stock 2020-05-04 4 F 0 16993 21.54 D 238820 D Represents shares earned with respect to performance restricted stock units (PRSUs) based on the achievement of Lattice Semiconductor of certain adjusted EBITDA performance targets for two trailing four quarter periods as of March 28, 2020. Restricted Stock Units - no purchase price for this transaction. These shares were retained by the Issuer in order to meet the tax withholding obligations of the Reporting Person in connection with the vesting of an installment of the restricted stock units. The amount retained by the Issuer was not in excess of the amount of the tax liability. By: Byron W. Milstead, Attorney in Fact For: James R. Anderson 2020-05-05