X0607 3 2026-04-29 0 0002026053 PERSHING SQUARE INC. PS 0001056513 ACKMAN WILLIAM A false C/O PERSHING SQUARE INC., 787 ELEVENTH AVENUE, 9TH FLOOR NEW YORK NY 10019 true true true CEO & Chairman 0002129701 WAA Management LLC false 787 11TH AVENUE FLOOR 9 NEW YORK NY 10019 true Common Stock 83700000 I See footnote Common Stock 16000000 I See footnote Common Stock 300000 I See footnote M Units of Pershing Square Partner Group, LLC Common Stock 92430722 I See footnote Reflects shares directly held by WAA Management LLC, of which the Reporting Person is the sole manager. Reflects shares directly held a grantor retained annuity trust, of which the Reporting Person is the trustee. Reflects shares directly held by a trust whose beneficiaries include the Reporting Person's family members. The Reporting Person may be deemed to be the beneficial owner of these shares for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"). The Reporting Person disclaims beneficial ownership of these shares, except to the extent of any pecuniary interest therein. These M Units ("M Units") of Pershing Square Partner Group, LLC ("PSPG") were granted to the Reporting Person pursuant to an amendment of PSPG's governing document on a pro rata basis of the Reporting Person's prior interest in PSPG on April 28, 2026. These M Units are fully vested. The grant was approved by the board of directors of the Issuer in accordance with Rule 16b-3 under the Exchange Act. Upon vesting, each M Unit may be redeemed by the holder, subject to certain conditions, for shares of Issuer common stock held by PSPG on a one-for-one basis, subject to certain adjustments pursuant to the terms approved by the board of directors of the Issuer. These redemption rights do not expire. By: /s/ William A. Ackman 2026-04-29 By: WAA Management LLC, By: /s/ William A. Ackman, Manager 2026-04-29