X0508 4 2023-08-21 0 0001642896 Samsara Inc. IOT 0001895111 Biswas Sanjit C/O SAMSARA INC. 1 DE HARO STREET SAN FRANCISCO CA 94107 1 1 1 0 Chief Executive Officer 0 Class A Common Stock 2023-08-21 4 C 0 126628 0.00 A 1700899 D Class A Common Stock 2023-08-21 4 C 0 1211481 0.00 A 1436800 I See footnote Class B Common Stock 0.00 2023-08-21 4 C 0 126628 0.00 D Class A Common Stock 126628 0 D Class B Common Stock 0.00 2023-08-21 4 C 0 1211481 0.00 D Class A Common Stock 1211481 84374900 I See footnote Class B Common Stock 0.00 Class A Common Stock 4155371 4155371 I See footnote Class B Common Stock 0.00 Class A Common Stock 17312164 17312164 I See footnote Class B Common Stock 0.00 Class A Common Stock 790328 790328 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 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 1286597 1286597 I See footnote Class B Common Stock 0.00 Class A Common Stock 790328 790328 I See footnote Certain of these securities are restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of Class A Common Stock, subject to the applicable vesting schedule and conditions of each RSU. Consists of shares held by SB and HB, Co-Trustees of the Biswas Family Trust u/a/d 7/13/2012, over which the Reporting Person has voting or investment power. 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 Jordan Park Trust Company, LLC, Trustee of The Biswas Trust I u/a/d 11/11/2021, over which the Reporting Person has voting or investment power. Consists of shares held by Jordan Park Trust Company, LLC, Trustee of The Biswas Trust II u/a/d 10/14/2021, over which the Reporting Person has voting or investment power. Consists of shares held by Sanjit Biswas, Trustee of the Sanjit Biswas 2023 Annuity Trust u/a/d 1/16/2023, over which the Reporting Person has voting or investment power. Consists of shares held by Jordan Park Trust Company, LLC, Trustee of The Biswas Trust I-A u/a/d 11/11/2021, over which the Reporting Person has voting or investment power. Consists of shares held by Jordan Park Trust Company, LLC, Trustee of The Biswas Trust I-A fbo REB u/a/d 11/11/2021, over which the Reporting Person has voting or investment power. Consists of shares held by Jordan Park Trust Company, LLC, Trustee of The Biswas Trust I-A fbo NAmB u/a/d 11/11/2021, over which the Reporting Person has voting or investment power. Consists of shares held by Jordan Park Trust Company, LLC, Trustee of The Biswas Trust I-A fbo NAlB u/a/d 11/11/2021, over which the Reporting Person has voting or investment power. Consists of shares held by the Reporting Person's spouse. Consists of shares held by HB, Trustee of the HB 2023 Annuity Trust u/a/d 1/16/2023, over which the Reporting Person has voting or investment power. /s/ Adam Eltoukhy, attorney-in-fact on behalf of Sanjit Biswas 2023-08-22