Amplitude Results Presentation Deck

18 A Revenue Non-GAAP Operating Margin Non-GAAP Net Loss Per Share Guidance Weighted Average Shares Outstanding Q4 2022 $62.5 $64.5M +26% to +31% Y/Y (10%) - (11%) $(0.03) - $(0.04) - 113.3M shares FY 2022 $235 $237M +40% to +42% Y/Y (11%) - (12%) $(0.21) - $(0.22) 111.6M shares An outlook for GAAP loss from operations, GAAP operating margin, and GAAP net loss per share, and a reconciliation to GAAP loss from operations, GAAP operating margin, and GAAP net loss per share has not been provided as the quantification of certain items included in the calculation of GAAP loss from operations, GAAP operating margin, and GAAP net loss per share cannot be reasonably calculated or predicted at this time without unreasonable efforts. For example, the non-GAAP adjustment for stock-based compensation expense requires additional inputs such as the number and value of awards granted that are not currently ascertainable, and the non-GAAP adjustment for amortization of acquired intangible assets depends on the timing and value of intangible assets acquired that cannot be accurately forecasted. Ⓒ2022 Amplitude Inc. Confidential. All Rights Reserved. 23

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