X0306 4 2021-12-14 0 0001642896 Samsara Inc. IOT 0001895105 Calderon Benjamin C/O SAMSARA INC. 350 RHODE ISLAND STREET 4TH FLOOR, SOUTH BUILDING SAN FRANCISCO CA 94103 0 1 0 0 See remarks Class B Common Stock 0.00 2021-12-14 4 A 0 1100000 0.00 A Class B Common Stock 1100000 1100000 D The reported shares are represented by restricted stock units, or RSUs, of which 320,833 vested upon the effectiveness of the Issuer's registration statement in connection with its initial public offering of Class A Common Stock and the remaining shares vest in quarterly installments beginning on March 15, 2022 through December 15, 2024. The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis. Executive Vice President, Chief Technology Officer, Hardware and Operations /s/ Adam Eltoukhy, attorney-in-fact on behalf of Benjamin Calderon 2021-12-16