X0508 4 2024-09-11 0000855658 LATTICE SEMICONDUCTOR CORP LSCC 0001992449 Desale Pravin 5555 NE MOORE COURT HILLSBORO OR 97124 1 SVP, R&D 0 Common Stock 2024-09-11 4 M 0 6822 0 A 7187 D Common Stock 2024-09-11 4 F 0 2435 44.81 D 4752 D Restricted Stock Unit (RSU) 0 2024-09-11 4 M 0 6822 0 D Common Stock 6822 20463 D Restricted Stock Units (RSUs) - no purchase price for this transaction. The total beneficial ownership of shares includes 365 shares acquired on June 30, 2024 under the Issuer's 2012 Employee Stock Purchase Plan. 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. Each Restricted Stock Unit (RSU) represents a right to receive one share of the Issuer's common stock without payment of specific consideration. Grants of Restricted Stock Units (RSUs) vest as follows: 25% of the RSUs will vest on the first anniversary of the date of grant, and an additional 6.25% of the RSUs shall vest at the end of each three month period thereafter. Not applicable. /s/ Tracy Feanny, Attorney in Fact For: Pravin Desale 2024-09-12