X0306 4 2022-03-15 0 0001642896 Samsara Inc. IOT 0001895106 Bicket John C/O SAMSARA INC., 350 RHODE ISLAND ST. 4TH FLOOR, SOUTH BUILDING SAN FRANCISCO CA 94103 1 1 1 0 See remarks Class A Common Stock 2022-03-15 4 A 0 222458 0.00 A 222458 D Class B Common Stock 2022-03-15 4 M 0 864529 0.00 D Class B Common Stock 864529 1576495 D Class B Common Stock 0.00 2022-03-15 4 M 0 864529 0.00 A Class A Common Stock 864529 2151126 D Class B Common Stock 0.00 Class A Common Stock 84901271 84901271 I See footnote Class B Common Stock 0.00 Class A Common Stock 2292432 2292432 I See footnote Class B Common Stock 0.00 Class A Common Stock 15591942 15591942 I See footnote Class B Common Stock 0.00 Class A Common Stock 2292432 2292432 I See footnote Class B Common Stock 0.00 Class A Common Stock 1286597 1286597 I See footnote Class B Common Stock 0.00 Class A Common Stock 4466764 4466764 I See footnote Class B Common Stock 0.00 Class A Common Stock 250000 250000 I See footnote Class B Common Stock 0.00 Class A Common Stock 250000 250000 I See footnote Class B Common Stock 0.00 Class A Common Stock 250000 250000 I See footnote Represents restricted stock units, or "RSUs", that vest in 16 equal quarterly installments following March 17, 2022. The reported shares represent RSUs, of which 711,965 vested on December 14, 2021 that were previously reported, 152,564 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 John C. Bicket, Trustee of the John C. Bicket Revocable Trust u/a/d 2/15/2013, over which Mr. Bicket has voting or investment power. Consists of shares held by CBD, Trustee of The CBD 2020 Annuity Trust u/a/d 12/23/2020, over which Mr. Bicket has voting or investment power. Consists of shares held by Jordan Park Trust Company, LLC, Trustee of The Bicket-Dobson Trust II u/a/d 10/8/2021, over which Mr. Bicket has voting or investment power. Consists of shares held by John C. Bicket, Trustee of The John C. Bicket 2020 Annuity Trust u/a/d 12/23/2020, over which Mr. Bicket has voting or investment power. Consists of shares held by Mr. Bicket's spouse. Consists of shares held by Jordan Park Trust Company, LLC, Trustee of The Bicket-Dobson Trust I u/a/d 11/10//2021, over which Mr. Bicket has voting or investment power. Consists of shares held by Jordan Park Trust Company, LLC, Trustee of The Bicket-Dobson Trust I-A fbo ACDB u/a/d 11/10/2021, over which Mr. Bicket has voting or investment power. Consists of shares held by Jordan Park Trust Company, LLC, Trustee of The Bicket-Dobson Trust I-A fbo JCDB u/a/d 11/10/2021, over which Mr. Bicket has voting or investment power. Consists of shares held by Jordan Park Trust Company, LLC, Trustee of The Bicket-Dobson Trust I-A u/a/d 11/10/2021, over which Mr. Bicket has voting or investment power. Executive Vice President, Chief Technology Officer /s/ Adam Eltoukhy, attorney-in-fact on behalf of John Bicket 2022-03-17