X0609 4 2026-04-30 0002026053 PERSHING SQUARE INC. PS 0001899421 Coppel Calvo David false C/O PERSHING SQUARE INC., 787 ELEVENTH AVENUE, 9TH FLOOR NEW YORK NY 10019 true false Common Stock 2026-04-30 4 A 0 450000 A 3126557 I See Footnotes Common Stock 2026-04-30 4 A 0 450000 A 450000 I See Footnotes On April 30, 2026, the Issuer and Pershing Square USA, Ltd. ("PSUS") completed a combined transaction, consisting of (i) an initial public offering (the "PS IPO") and a concurrent private placement (the "PS Private Placement") of Issuer common stock and (ii) an initial public offering (the "PSUS IPO") and a concurrent private placement (the "PSUS Private Placement" and together with the PS Private Placement, the "combined private placement") of PSUS's common shares of beneficial interest ("PSUS Common Shares"). Reflects the acquisition of Issuer common stock in connection with the combined private placement. In connection with the PS Private Placement, each initial investor acquired 1.5 shares of Issuer common stock for no additional consideration for every 5 PSUS Common Shares that the investor purchased in the PSUS Private Placement. Reflects shares directly held by Pacat LP, where the Reporting Person has voting and dispositive power over the shares held by Pacat LP. Reflects shares directly held by Crecer C LP, where the Reporting Person may be deemed to have shared voting and dispositive power over the shares held by Crecer C LP. The Reporting Person disclaims beneficial ownership over the shares reported herein, except to the extent of his pecuniary interest therein. /s/ Halit Coussin, as Attorney-In-Fact 2026-05-04