X0206 3 2021-09-21 0 0001866692 Amplitude, Inc. AMPL 0001593049 Benchmark Capital Management Co. VIII, L.L.C. C/O BENCHMARK CAPITAL PARTNERS 2965 WOODSIDE ROAD WOODSIDE CA 94062 0 0 1 0 0001593052 Benchmark Capital Partners VIII, L.P. C/O BENCHMARK CAPITAL PARTNERS 2965 WOODSIDE ROAD WOODSIDE CA 94062 0 0 1 0 0001597415 Benchmark Founders' Fund VIII, L.P. C/O BENCHMARK CAPITAL PARTNERS 2965 WOODSIDE ROAD WOODSIDE CA 94062 0 0 1 0 0001597399 Benchmark Founders' Fund VIII-B, L.P. C/O BENCHMARK CAPITAL PARTNERS 2965 WOODSIDE ROAD WOODSIDE CA 94062 0 0 1 0 Class B Common Stock 0.00 Class A Common Stock 15264298 I See footnotes The Class B Common Stock is convertible at any time at the option of the holder into the Issuer's Class A Common Stock on a one-to-one basis. The Class B Common Stock will convert automatically into shares of the Issuer's Class A Common Stock on a one-to-one basis upon the earlier of (a) any transfer of the Class B Common Stock by the holder, whether or not for value, subject to certain exceptions or (b) the date that is six months following the date on which none of the Issuer's founders is an employee or director of the Issuer (unless a founder has rejoined the Issuer during such six-month period). Shares are held directly by Benchmark Capital Partners VIII, L.P. ("BCP VIII") for itself and as nominee for Benchmark Founders' Fund VIII, L.P. ("BFF VIII"), Benchmark Founders' Fund VIII-B, L.P. ("BFF VIII-B"). Benchmark Capital Management Co. VIII, L.L.C. ("BCMC VIII"), the general partner of BCP VIII, BFF VIII and BFF VIII-B, may be deemed to have sole voting and dispositive power over the securities. Eric Vishria, a member of the Issuer's board of directors, Matthew R. Cohler, Peter H. Fenton, J. William Gurley, An-Yen Hu, Mitchell H. Lasky, Chetan Puttagunta, Steven M. Spurlock and Sarah E. Tavel are the managing members of BCMC VIII, and each of them may be deemed to share voting and dispositive power over the securities held by such entities. Each such person and entity disclaims the existence of a "group" and disclaims beneficial ownership of the securities, except to the extent of such person's or entity's pecuniary interest in such securities. Exhibit 24.1 - Power of Attorney This report is one of three reports, each on a separate Form 3, but relating to the same holdings being filed by entities affiliated with Benchmark and their applicable members. /s/An-Yen Hu, as Managing Member of Benchmark Capital Management Co. VIII, L.L.C. 2021-09-21 /s/ An-Yen Hu, as Managing Member of Benchmark Capital Management Co. VIII, L.L.C., the General Partner of Benchmark Capital Partners VIII, L.P. 2021-09-21 /s/ An-Yen Hu, as Managing Member of Benchmark Capital Management Co. VIII, L.L.C., the General Partner of Benchmark Founders' Fund VIII, L.P. 2021-09-21 /s/ An-Yen Hu, as Managing Member of Benchmark Capital Management Co. VIII, L.L.C., the General Partner of Benchmark Founders' Fund VIII-B, L.P. 2021-09-21