Blackstone Inc. — Director's Dealing 2025

Dec 18, 2025

SEC Form 3 — Initial Statement of Beneficial Ownership

Issuer: Medline Inc. (MDLN)
CIK: 0002046386
Period of Report: 2025-12-17

Reporting Person: Mozart Aggregator II LP (N/A)
Reporting Person: BCP Mozart Aggregator L.P. (N/A)
Reporting Person: Blackstone Management Associates VIII L.P. (N/A)
Reporting Person: BCP 8 Holdings Mozart Manager L.L.C. (N/A)
Reporting Person: BMA VIII L.L.C. (N/A)
Reporting Person: Blackstone Holdings II L.P. (N/A)
Reporting Person: Blackstone Holdings I/II GP L.L.C. (N/A)
Reporting Person: Blackstone Inc. (N/A)
Reporting Person: Blackstone Group Management L.L.C. (N/A)
Reporting Person: SCHWARZMAN STEPHEN A (N/A)

Holdings (Non-Derivative)

Security	Shares	Ownership
Class A Common Stock	156649816	Indirect
Class A Common Stock	11724	Indirect
Class B Common Stock	79327072	Indirect

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Common Units of Medline Holdings, LP	$		Class A Common Stock (79327072)		Indirect

Footnotes

F1: Reflects securities of the Issuer held directly by Mozart Aggregator II LP. Blackstone Management Associates VIII L.P. is the general partner of Mozart Aggregator II LP. BMA VIII L.L.C. is the general partner of Blackstone Management Associates VIII L.P.

F2: Reflects securities of the Issuer held directly by BCP Mozart Aggregator L.P. (together with Mozart Aggregator II LP, the "Blackstone Holders"). BCP 8 Holdings Mozart Manager L.L.C. is the general partner of BCP Mozart Aggregator L.P. BMA VIII L.L.C. is the managing member of BCP 8 Holdings Mozart Manager L.L.C.

F3: Blackstone Holdings II L.P. is the managing member of BMA VIII L.L.C. Blackstone Holdings I/II GP L.L.C. is the general partner of Blackstone Holdings II L.P. Blackstone Inc. is the sole member of Blackstone Holdings I/II GP L.L.C. The sole holder of the Series II preferred stock of Blackstone Inc. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is wholly-owned by Blackstone's senior managing directors and controlled by its founder, Stephen A. Schwarzman.

F4: Shares of the Issuer's Class B common stock ("Class B Common Stock") have no economic value and have one vote per share. One share of Class B Common Stock is issued for each common unit of Medline Holdings, LP ("Common Units") held. Upon an exchange of Common Units for shares of the Issuer's Class A common stock ("Class A Common Stock"), an equivalent number of shares of Class B Common Stock held by such holder will be automatically cancelled.

F5: Pursuant to the terms of an exchange agreement, dated as of December 16, 2025, holders have the right to exchange their Common Units for shares of Class A Common Stock on a one-for-one basis, subject to customary conversion rate adjustments for stock splits, stock dividends and reclassifications. These exchange rights do not expire.

F6: Each such Reporting Person may be deemed to beneficially own the securities of the Issuer directly held by the Blackstone Holders directly or indirectly controlled by it or him, but each (other than Mozart Aggregator II LP and BCP Mozart Aggregator L.P. to the extent of their respective direct holdings) disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein, and this report shall not be deemed an admission that any of the Reporting Persons (other than Mozart Aggregator II LP and BCP Mozart Aggregator L.P. to the extent each directly holds securities of the Issuer) is the beneficial owner of such securities for purposes of Section 16 or any other purpose.

F7: Information with respect to each of the Reporting Persons is given solely by such Reporting Person, and no Reporting Person has responsibility for the accuracy or completeness of information supplied by another Reporting Person.