Pinterest Results Presentation Deck

37% 459 361 98 Q420 Monthly active users (in millions) 30% 478 380 98 Q121 International 9% 454 363 91 Q221 US - 1% 444 356 89 Q321 Y/Y growth rate -6% 431 346 86 Q421 Note: We define a monthly active user as an authenticated Pinterest user who visits our website, opens our mobile application or interacts with Pinterest through one of our browser or site extensions, such as the Save button, at least once during the 30-day period ending on the date of measurement. We present MAUS based on the number of MAUS measured on the last day of the current period. US and International may not sum to Global due to rounding. © 2022 Pinterest. All rights reserved. (6)% Global Y/Y (4)% International Y/Y (12)% US Y/Y 4

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