X0306 4 2021-12-08 0 0001720671 HashiCorp, Inc. HCP 0001894766 Sweeney Brandon C/O HASHICORP, INC 101 SECOND STREET, SUITE 700 SAN FRANCISCO CA 94105 0 1 0 0 Chief Revenue Officer Common Stock 2021-12-08 4 A 0 800000 0.00 A 800000 D Common Stock 2021-12-08 4 F 0 172280 80.00 D 627720 D Common Stock 2021-12-08 4 A 0 69200 0.00 A 696920 D Immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock, each share of Common Stock shall be reclassified into one share of Class B Common Stock. The reported shares are represented by restricted stock units, or RSUs, of which 350,000 have vested and the remaining shares vest in nine equal quarterly installments beginning on December 20, 2021. Immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock, each share underlying these RSUs shall be reclassified into one share of Class B Common Stock. The reported shares were withheld to satisfy the reporting person's tax liability in connection with the vesting of RSUs. The reported shares are represented by RSUs which vest as to 25% on January 31, 2022 and the remaining shares vest in twelve equal quarterly installments beginning on March 20, 2022. Immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock, each share underlying these RSUs shall be reclassified into one share of Class A Common Stock. /s/ Paul Warenski, by power of attorney 2021-12-10