X0306 4 2022-02-01 0 0001720671 HashiCorp, Inc. HCP 0001894717 Dadgar Armon C/O HASHICORP, INC. 101 SECOND STREET, SUITE 700 SAN FRANCISCO CA 94105 1 1 0 0 Chief Technology Officer Class A Common Stock 2022-03-21 4 C 0 5605 A 5605 D Class A Common Stock 2022-03-21 4 S 0 5605 48.0283 D 0 D Restricted Stock Units 2021-02-01 4 A 0 47044 0.00 A Class A Common Stock 47044 47044 D Restricted Stock Units 2022-03-20 4 M 0 6487 0.00 D Class B Common Stock 6487 71363 D Restricted Stock Units 2022-03-20 4 M 0 8124 0.00 D Class B Common Stock 8124 56876 D Class B Common Stock 2022-03-20 4 M 0 14611 0.00 A Class A Common Stock 14611 86285 D Class B Common Stock 2022-03-21 4 C 0 5605 0.00 D Class A Common Stock 5605 80680 D Class B Common Stock Class A Common Stock 15200000 15200000 I See footnote Class B Common Stock Class A Common Stock 2339030 2339030 I See footnote Class B Common Stock Class A Common Stock 709288 709288 I See footnote 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 $48.00 to $48.21, 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 A Common Stock. The RSUs vest in sixteen equal quarterly installments beginning on June 20, 2022. 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 March 20, 2022. The RSUs vest in seven quarterly installments beginning on June 20, 2022. Excludes 9,288 shares of Class B common stock that were previously reported as held directly by the Armon Dadgar 2020 Charitable Trust (the "Charitable Trust") and were re-registered prior to the Issuer's initial public offering to Black Swan III, LLC which the reporting person controls ("Black Swan"). The shares are held of record by the Armon Dadgar 2020 Charitable Trust. The shares are held of record by the Armon Memaran-Dadgar Living Trust for which the reporting person serves as trustee. Includes 9,288 shares of Class B common stock that were previously reported as held directly by the Charitable Trust and were re-registered prior to the Issuer's initial public offering to Black Swan. The shares are held of record by Black Swan. /s/ Paul Warensky, by power of attorney 2022-03-22