X0306 4 2020-07-06 0 0001577526 C3.ai, Inc. AI 0001218471 ABBO EDWARD Y C/O C3.AI, INC. 1300 SEAPORT BLVD, SUITE 500 REDWOOD CITY CA 94063 0 1 0 0 Chief Technology Officer Class A Common Stock 2020-09-28 4 M 0 72291 0.60 A 776927 D Class A Common Stock 2020-12-11 4 C 0 63647 A 840574 D Class A Common Stock 2020-12-11 4 C 0 50000 A 50000 I See Footnote Class A Common Stock 2020-12-11 4 C 0 4666 A 54666 I See Footnote Class A Common Stock 2020-12-11 4 C 0 75000 A 75000 I See Footnote Class A Common Stock 2020-12-11 4 C 0 38343 A 113343 I See Footnote Class A Common Stock 2020-12-11 4 C 0 10578 A 123921 I See Footnote Stock Option (Right to Buy) 0.76 2020-07-06 4 A 0 166666 0.00 A 2030-07-05 Class A Common Stock 166666 166666 D Stock Option (Right to Buy) 0.60 2020-09-28 4 M 0 56250 0.00 D 2022-08-12 Class A Common Stock 56250 0 D Stock Option (Right to Buy) 0.60 2020-09-28 4 M 0 16041 0.00 D 2022-10-24 Class A Common Stock 16041 0 D Series B* Convertible Preferred Stock 2020-12-11 4 C 0 50000 0.00 D Class A Common Stock 50000 0 I See Footnote Series B* Convertible Preferred Stock 2020-12-11 4 C 0 75000 0.00 D Class A Common Stock 75000 0 I See Footnote Series B-1A* Convertible Preferred Stock 2020-12-11 4 C 0 38343 0.00 D Class A Common Stock 38343 0 I See Footnote Series D Convertible Preferred Stock 2020-12-11 4 C 0 63647 0.00 D Class A Common Stock 63647 0 D Series D Convertible Preferred Stock 2020-12-11 4 C 0 4666 0.00 D Class A Common Stock 4666 0 I See Footnote Series D Convertible Preferred Stock 2020-12-11 4 C 0 10578 0.00 D Class A Common Stock 10578 0 I See Footnote Immediately upon the closing of the Issuer's initial public offering, all shares of Series B* Convertible Preferred Stock, Series B-1A* Convertible Preferred Stock and Series D Convertible Preferred Stock automatically converted on a 1:1 basis into shares of Class A Common Stock and had no expiration date. The shares are held by the Abbo 2012 Children's Trust, of which the Reporting Person is trustee. The shares are held by the Edward Y. Abbo and Alison C. Abbo 2001 Family Trust, of which the Reporting Person is trustee. Twenty percent (20%) of the shares subject to the option grant vested on July 6, 2020, and the remaining eighty percent (80%) of each such grant vests on a monthly basis for the following four years, so long as the Reporting Person continues to provide services through such vesting dates. Fully vested. /s/ Brady Mickelsen, Attorney-in-Fact 2020-12-11