Amplitude Results Presentation Deck

A GAAP Cash Flows from Operations to Free Cash Flow Net cash provided by (used in) operating activities Less: Purchases of property and equipment Capitalization of internal-use software costs Free cash flow Net cash provided by (used in) operating activities margin Non-GAAP adjustments Free cash flow margin Note: Certain figures may not sum due to rounding © 2021 Amplitude Inc. All rights reserved. Three Months Ended September 30, 2021 2020 (15,086) (302) (394) (15,782) (33.2%) (1.5%) (34.7%) $ 2,541 (216) (457) 1,868 9.6% (2.6%) 7.1% ¹ Margin represents percentage of GAAP revenue 23

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