X0306 4 2022-06-23 0 0001720671 HashiCorp, Inc. HCP 0001673606 St. Ledger Susan C/O HASHICORP, INC. 101 SECOND STREET, SUITE 700 SAN FRANCISCO CA 94105 1 0 0 0 Class A Common Stock 2022-06-23 4 S 0 5728 31.0349 D 11498 D The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $30.915 to $31.12, 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. /s/ Paul Warenski, by power of attorney 2022-06-24