X0306 4 2022-03-02 0 0001577526 C3.ai, Inc. AI 0001897093 Parkkinen Juho C/O C3.AI, INC. 1300 SEAPORT BLVD, SUITE 500 REDWOOD CITY CA 94063 0 1 0 0 SVP & Chief Financial Officer Class A Common Stock 2022-03-02 4 A 0 120000 0.00 A 180000 D Stock Option (Right to Buy) 20.05 2022-03-04 4 A 0 170000 0.00 A 2032-03-03 Class A Common Stock 170000 170000 D Represents the grant of Restricted Stock Units (RSUs). Each RSU represents a contingent right to receive one share of Class A Common Stock upon settlement. Five percent (5%) of each such RSU award shall vest on the last day of each fiscal quarter following March 1, 2022, so long as the Reporting Person continues to provide services through such vesting dates. 1/60th of the shares subject to the option vest on a monthly basis from March 1, 2022 until the grant is fully vested, so long as the Reporting Person continues to provide services through such vesting dates. /s/ Richard J. Lutton, Jr., Attorney-in-Fact 2022-03-04