X0306 4 2022-03-20 0 0001720671 HashiCorp, Inc. HCP 0001894706 Welihinda Navam C/O HASHICORP, INC. 101 SECOND STREET, SUITE 700 SAN FRANCISCO CA 94105 0 1 0 0 Chief Financial Officer Class A Common Stock 2022-03-21 4 C 0 3657 A 3657 D Class A Common Stock 2022-03-21 4 S 0 3657 48.02 D 0 D Restricted Stock Units 2022-03-20 4 M 0 7568 0.00 D Class B Common Stock 7568 83257 D Class B Common Stock 2022-03-20 4 M 0 7568 0.00 A Class A Common Stock 7568 7568 D Class B Common Stock 2022-03-21 4 C 0 3657 0.00 D Class A Common Stock 3657 0 D Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date. The reported shares were sold to satisfy the reporting person's tax obligations in connection with the vesting of restricted stock units, or RSUs. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $47.895 to $48.075, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. Each RSU represents a contingent right to receive one share of Issuer Class B Common Stock. The RSUs vest in eleven equal quarterly installments beginning on June 20, 2022. /s/ Paul Warensky, by power of attorney 2022-03-22