X0306 4 2022-03-15 0 0001642896 Samsara Inc. IOT 0001895105 Calderon Benjamin C/O SAMSARA INC., 350 RHODE ISLAND ST. 4TH FLOOR, SOUTH BUILDING SAN FRANCISCO CA 94103 0 1 0 0 See remarks Class A Common Stock 2022-03-15 4 C 0 68750 0.00 A 68750 D Class A Common Stock 2022-03-15 4 A 0 129611 0.00 A 198361 D Class A Common Stock 2022-03-15 4 S 0 18084 13.1807 D 180277 D Class A Common Stock 2022-03-15 4 S 0 7100 13.8388 D 173177 D Class B Common Stock 2022-03-15 4 M 0 389583 0.00 D Class B Common Stock 389583 710417 D Class B Common Stock 0.00 2022-03-15 4 M 0 389583 0.00 A Class A Common Stock 389583 10088586 D Class B Common Stock 0.00 2022-03-15 4 C 0 68750 0.00 D Class A Common Stock 68570 10019836 D Class B Common Stock 0.00 Class A Common Stock 908700 908700 I See footnote Class B Common Stock 0.00 Class A Common Stock 908700 908700 I See footnote Class B Common Stock 0.00 Class A Common Stock 908700 908700 I See footnote Class B Common Stock 0.00 Class A Common Stock 290000 290000 I See footnote Includes 129,611 restricted stock units, or RSUs, granted on March 15, 2022 that vest in 16 equal quarterly installments following March 17, 2022. These shares were disposed of in non-discretionary transactions to cover the reporting person's tax withholding obligations in connection with the settlement of an award of RSUs. The "Amount" and "Price" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $12.67 to $13.66 inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein. The "Amount" and "Price" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $13.68 to $14.14, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein. The reported shares are represented by RSUs of which 320,833 vested on December 14, 2021 that were previously reported, 68,750 vested on March 15, 2022 and the remaining shares vest in quarterly installments through December 15, 2024. Each RSU represents a contingent right to receive one share of Issuer Class B Common Stock. 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. Consists of shares held by Fall MC, LLC, over which Mr. Calderon has voting or investment power. Consists of shares held by Summer NC, LLC, over which Mr. Calderon has voting or investment power. Consists of shares held by Winter EC, LLC, over which Mr. Calderon has voting or investment power. Consists of shares held by CH 2021 GRAT, over which Mr. Calderon has voting or investment power. Executive Vice President, Chief Technology Officer, Hardware and Operations /s/ Adam Eltoukhy, attorney-in-fact on behalf of Benjamin Calderon 2022-03-17