Pershing Square USA, Ltd. Notes Quarterly Communications Format

Pershing Square USA, Ltd. (NYSE:PSUS) (“PSUS” or the “Company”) today announced that beginning with the second quarter 2026, Pershing Square Inc. (NYSE:PS), the parent company of PSUS’s Investment Manager, will release its financial results and host an earnings webcast and conference call with analysts. Concurrently with the release of Pershing Square Inc.’s results, PSUS will publish a quarterly portfolio review.

Immediately following the Pershing Square Inc. earnings webcast and conference call, Pershing Square CEO Bill Ackman and CIO Ryan Israel will host a live Spaces Q&A event on X at https://x.com/BillAckman, open to all investors, media and members of the public. Participants will have the opportunity to ask questions of management during the Spaces event. The Spaces event will also be simulcast on the Pershing Square Inc. website. A replay will be available on X and on the investor relations section of the Pershing Square Inc. website.

These quarterly communications will be in addition to PSUS’s regular semiannual and annual financial reporting.

The date for the second quarter 2026 portfolio review release and X Spaces event will be provided in due course.