Pinterest, Inc. Loss Submission Form

(i) the Company’s addressable market in the U.S. was reaching its maximum capacity; (ii) which significantly decelerated Pinterest’s future ability to monetize on U.S. average revenue per user; (iii) Pinterest was at an increased risk of losing advertising revenue; (iv) and as a result, Defendants’ public statements were materially false and misleading at all relevant times or lacked a reasonable basis and omitted material facts.