Pinterest Results Presentation Deck

Cost of Revenue 24% $163 Q222 S&M 29% $192 26% Non-GAAP costs and expenses (in millions) $178 Q322 30% $203 20% $177 Q422 30% $261 Q422 % of revenue 28% $167 Q123 - 30% 23% $179 $164 % of revenue Q223 31% $217 R&D 23% $152 Q222 G&A 11% $74 24% © 2023 Pinterest. All rights reserved. $165 Q322 10% $66 Q322 19% $165 Q422 9% $82 % of revenue 28% $168 Q123 11% 23% $160 $66 Q222 Q322 Q123 Q223 Q222 Q422 Q123 Note: Costs and expenses are non-GAAP financial measures, which exclude share-based compensation (SBC), amortization of acquired intangible assets, and non-cash charitable contributions. For a reconciliation of these non-GAAP financial measures to the most directly comparable GAAP financial measures, please see the tables included in the Appendix at the end of this release. Q223 % of revenue 9% $63 Q223 +1% COR Y/Y +5% R&D Y/Y +13% S&M Y/Y (15%) G&A Y/Y 10

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