Battery Management Corp. - 10%+ Owner at Amplitude, Inc.

Insider Transactions and Holdings

Security	Num Shares	Value	Price $	Transaction Date	Ownership	Underlying Class	Underlying Amount
Class A Common Stock	2,451,829	$30,794,972	$12.56	09 May 2022	By Battery Ventures XI-A Side Fund, L.P.
Class A Common Stock	2,359,937	$29,640,809	$12.56	09 May 2022	By Battery Ventures XI-A, L.P.
Class B Common Stock	1,820,400	$19,066,506	$10.47	09 May 2022	By Battery Ventures XI-A Side Fund, L.P.	Class A Common Stock
Class B Common Stock	1,752,173	$18,351,910	$10.47	09 May 2022	By Battery Ventures XI-A, L.P.	Class A Common Stock
Class A Common Stock	623,549	$7,831,775	$12.56	09 May 2022	By Battery Ventures XI-B, L.P.
Class A Common Stock	531,657	$6,677,612	$12.56	09 May 2022	By Battery Ventures XI-B Side Fund, L.P.
Class B Common Stock	462,963	$4,848,982	$10.47	09 May 2022	By Battery Ventures XI-B, L.P.	Class A Common Stock
Class B Common Stock	394,738	$4,134,407	$10.47	09 May 2022	By Battery Ventures XI-B Side Fund, L.P.	Class A Common Stock
Class B Common Stock	361,099	$3,782,079	$10.47	09 May 2022	By Battery Ventures Select Fund I, L.P.	Class A Common Stock	361,099
Class A Common Stock	109,373	$1,373,725	$12.56	09 May 2022	By Battery Investment Partners XI, LLC
Class B Common Stock	81,206	$850,535	$10.47	09 May 2022	By Battery Investment Partners XI, LLC	Class A Common Stock
Class A Common Stock	39,152	$491,749	$12.56	09 May 2022	By Trust
Class B Common Stock	35,713	$374,051	$10.47	09 May 2022	By Battery Investment Partners Select Fund I, L.P.	Class A Common Stock	35,713
Class A Common Stock	23,604	$296,466	$12.56	09 May 2022	Direct

Sym	Class	Transaction	%	Value $	* Price $	Shares	Shares After	Date	Ownership

* An asterisk sign (*) next to the price indicates that the price is likely invalid.