X0306 4 2022-03-31 0 0001673772 RAPT Therapeutics, Inc. RAPT 0001733915 Giordano Michael F C/O RAPT THERAPEUTICS, INC. 561 ECCLES AVENUE SOUTH SAN FRANCISCO CA 94080 1 0 0 0 Stock Option (right to buy) 21.99 2022-03-31 4 A 0 3213 16.80 A 2032-03-30 Common Stock 3213 3213 D The shares subject to the option vest in four equal quarterly installments on the last day of each fiscal quarter in 2022 with the first installment vesting on March 31, 2022, provided that the reporting person is in service as a director on each such vesting date. This option was issued to the reporting person pursuant to the Issuer's Amended and Restated Non-Employee Director Compensation Policy in lieu of an annual cash retainers for service on the Board of Directors and committees thereof in the aggregate amount of $54,000. /s/ Rodney Young, Attorney-in-Fact for Michael F. Giordano 2022-04-04