X0306 4 2021-12-17 0 0001642896 Samsara Inc. IOT 0001663855 General Catalyst Group VIII Supplemental, L.P. C/O GENERAL CATALYST PARTNERS 20 UNIVERSITY ROAD, 4TH FLOOR CAMBRIDGE MA 02138 0 0 1 0 0001663852 General Catalyst Group VIII, L.P. C/O GENERAL CATALYST PARTNERS 20 UNIVERSITY ROAD 4TH FLOOR, CAMBRIDGE MA 02138 0 0 1 0 0001764365 GC Venture VIII, LLC 20 UNIVERSITY RD, SUITE 450, CAMBRIDGE MA 02138 0 0 1 0 0001786761 GC Venture VIII-B, LLC C/O GENERAL CATALYST PARTNERS 20 UNIVERSITY ROAD 4TH FLOOR, CAMBRIDGE MA 02138 0 0 1 0 0001801515 General Catalyst Group X - Endurance, L.P. C/O GENERAL CATALYST PARTNERS 20 UNIVERSITY ROAD 4TH FLOOR, CAMBRIDGE MA 02138 0 0 1 0 0001883723 General Catalyst Group XI - Endurance, L.P. C/O GENERAL CATALYST PARTNERS 20 UNIVERSITY ROAD 4TH FLOOR, CAMBRIDGE MA 02138 0 0 1 0 Class A Common Stock 2021-12-17 4 P 0 2000000 23.00 A 2000000 I See footnote Series C Preferred Stock 0.00 2021-12-17 4 C 0 21232344 0.00 D Class B Common Stock 21232344 0 I See footnotes Class B Common Stock 0.00 2021-12-17 4 C 0 21232344 0.00 A Class A Common Stock 21232344 21232344 I See footnotes Series D Preferred Stock 0.00 2021-12-17 4 C 0 5001080 0.00 D Class B Common Stock 5001080 0 I See footnotes Class B Common Stock 0.00 2021-12-17 4 C 0 5001080 0.00 A Class A Common Stock 5001080 5001080 I See footnotes Series E Preferred Stock 0.00 2021-12-17 4 C 0 5633880 0.00 D Class B Common Stock 5633880 0 I See footnotes Class B Common Stock 0.00 2021-12-17 4 C 0 5633880 0.00 A Class A Common Stock 5633880 5633880 I See footnotes Series F Preferred Stock 0.00 2021-12-17 4 C 0 13561283 0.00 D Class B Common Stock 13561283 0 I See footnotes Class B Common Stock 0.00 2021-12-17 4 C 0 13561283 0.00 A Class A Common Stock 13561283 13561283 I See footnotes In connection with the Issuer's initial public offering of Class A Common Stock, General Catalyst Group XI - Endurance, L.P. ("GCGXIE") purchased shares of Class A Common Stock from the underwriters at the initial public offering price. General Catalyst Group Management Holdings GP, LLC ("GCGMH LLC") is the general partner of General Catalyst Group Management Holdings, L.P. ("GCGMH"), which is the manager of General Catalyst Group Management, LLC ("GCGM LLC"), which is the manager of General Catalyst Endurance GP XI, LLC, which is the general partner of General Catalyst Partners XI - Endurance, L.P., which is the general partner of GCGXIE. Kenneth Chenault, Joel Cutler, David Fialkow and Hemant Taneja are managing members of GCGMH LLC, and, as a result, may be deemed to share voting and investment power with respect to the shares held by GCGXIE. Each party named above disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein. Each share of Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stock automatically converted into Class B Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A 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. GCGMH LLC" is the general partner of GCGMH., which is the manager of GCGM LLC, which is (a) the manager of GC Venture VIII Manager, LLC ("GCVVIII Manager"), which is the manager of GC Venture VIII, LLC ("GCVVIII"), (b) the manager of GC Venture VIII-B Manager, LLC, which is the manager of GC Venture VIII-B, LLC ("GCVVIIIB"), (c) the manager of General Catalyst GP VIII, LLC ("GCGPVIII"), which is the general partner of General Catalyst Partners VIII, L.P., which is the general partner of General Catalyst Group VIII, L.P. ("GCGVIII") and General Catalyst Group VIII Supplemental, L.P. ("GCGVIIIS") and (d) the manager of General Catalyst GP X - Growth Venture LLC, which is the general partner of General Catalyst Partners X - Growth Venture, L.P., which is the general partner of General Catalyst Group X - Endurance, L.P ("GCGXE"). Kenneth Chenault, Joel Cutler, David Fialkow and Hemant Taneja are managing members of GCGMH LLC, and, as a result, may be deemed to share voting and investment power with respect to the shares held by GCVVIII, GCVVIIIB, GCGVIIIS, GCGVIII and GCGXE. Each party named above disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein. Consists of 10,616,172 shares held of record by GCGVIIIS and 10,616,172 shares held of record by GCGVIII. Consists of 2,500,540 shares held of record by GCGVIIIS and 2,500,540 shares held of record by GCGVIII. Consists of 3,943,716 shares held of record by GCVVIII, 845,082 shares held of record by GCGVIIIS and 845,082 shares held of record by GCGVIII. Consists of 8,588,813 shares held of record by GCVVIIIB, 226,021 shares held of record by GCGVIIIS,226,021 shares held of record by GCGVIIIand 4,520,428 shares held of record by GCGXE.. General Catalyst Group VIII, LP, By: General Catalyst Partners VIII, L.P., Its General Partner, By: General Catalyst GP VIII, LLC, Its General Partner; By: Christopher McCain 2021-12-21 General Catalyst Group VIII Supplemental, L.P., By: General Catalyst Partners VIII, L.P., Its General Partner, By: General Catalyst GP VIII, LLC, Its General Partner; By: Christopher McCain 2021-12-21 GC Ventures VIII, LLC, By: GC Venture VIII Manager, LLC, Its Manager, By: General Catalyst Group Management, LLC, Its Manager; By: Christopher McCain 2021-12-21 GC Ventures VIII-B, LLC, By: GC Venture VIII-B Manager, LLC, Its Manager, By: General Catalyst Group Management, LLC, Its Manager; By: Christopher McCain 2021-12-21 General Catalyst Group X - Endurance, L.P., By: General Partner for General Catalyst Partners X - Growth Ventures, L..P., By: General Catalyst GP X - Growth Ventures LLC, its General Partner, By: /s/ Christopher McCain 2021-12-21 General Catalyst Group XI - Endurance, L.P., By: General Partner for General Catalyst Partners XI - Endurance, L..P., By: General Catalyst Endurance GP XI, LLC, its General Partner, By: /s/ Christopher McCain 2021-12-21