X0306 4 2021-12-08 0 0001720671 HashiCorp, Inc. HCP 0001854208 Zarmi Sigal C/O HASHICORP, INC. 101 SECOND STREET, SUITE 700 SAN FRANCISCO CA 94105 1 0 0 0 Common Stock 2021-12-08 4 A 0 50000 0.00 A 50000 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 6,250 have vested and the remaining shares vest in 14 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. /s/ Paul Warenski, by power of attorney 2021-12-10