X0306 4 2021-12-14 0 0001735803 Apria, Inc. APR 0001844888 Apria Holdings LLC C/O BLACKSTONE INC., 345 PARK AVENUE NEW YORK NY 10154 0 0 1 0 0001404073 Blackstone Holdings III L.P. C/O CUSTOM TRUCK ONE SOURCE, INC. 7701 INDEPENDENCE AVENUE KANSAS CITY MO 64125 0 0 1 0 0001844887 BP Healthcare Holdings LLC C/O BLACKSTONE INC. 345 PARK AVENUE NEW YORK NY 10154 0 0 1 0 0001343206 BLACKSTONE CAPITAL PARTNERS V L P C/O BLACKSTONE INC. 345 PARK AVENUE NEW YORK NY 10154 0 0 1 0 0001368609 Blackstone Management Associates V L.L.C. C/O BLACKSTONE INC. 345 PARK AVENUE NEW YORK NY 10154 0 0 1 0 0001368608 BMA V L.L.C. C/O BLACKSTONE INC. 345 PARK AVENUE NEW YORK NY 10154 0 0 1 0 0001478809 Blackstone Holdings III GP L.P. C/O BLACKSTONE INC. 345 PARK AVENUE NEW YORK NY 10154 0 0 1 0 0001478815 Blackstone Holdings III GP Management L.L.C. C/O BLACKSTONE INC. 345 PARK AVENUE NEW YORK NY 10154 0 0 1 0 Common Stock 2021-12-14 4 S 0 349527 29.925 D 14187515 I See Footnotes Represents shares sold on December 14, 2021 pursuant to the underwriters' exercise of their option to purchase additional shares of common stock of the Issuer in connection with an underwritten public offering at a price per share of $31.50, less the underwriting discount of $1.575 per share. Reflects shares held directly by Apria Holdings LLC. The controlling member of Apria Holdings LLC is BP Healthcare Holdings LLC. The controlling member of BP Healthcare Holdings LLC is Blackstone Capital Partners V L.P. The general partner of Blackstone Capital Partners V L.P. is Blackstone Management Associates V L.L.C. The sole member of Blackstone Management Associates V L.L.C. is BMA V L.L.C. The managing member of BMA V L.L.C. is Blackstone Holdings III L.P. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P. The general partner of Blackstone Holdings III GP L.P. is Blackstone Holdings III GP Management L.L.C. The sole member of Blackstone Holdings III GP Management L.L.C. is Blackstone Inc. 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. Due to the limitations of the electronic filing system certain Reporting Persons are filing a separate Form 4. 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. Each of the Reporting Persons (other than to the extent it directly holds securities reported herein) disclaims beneficial ownership of the securities held by the other Reporting Persons, except to the extent of such Reporting Person's pecuniary interest therein, and, pursuant to Rule 16a-1(a)(4) under the Securities Exchange Act of 1934, each of the Reporting Persons (other than to the extent it directly holds securities reported herein) states that the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of all of the reported securities for purposes of Section 16 or for any other purpose. APRIA HOLDINGS LLC, By: /s/ Neil P. Simpkins, Name: Neil P. Simpkins, Title: Chief Executive Officer 2021-12-14 BP HEALTHCARE HOLDINGS LLC, By: /s/ Neil P. Simpkins, Name: Neil P. Simpkins, Title: President 2021-12-14 BLACKSTONE CAPITAL PARTNERS V L.P., By: Blackstone Management Associates V L.L.C., its general partner, By: BMA V L.L.C., its sole member, By: /s/ Tabea Hsi, Name: Tabea Hsi, Authorized Signatory 2021-12-14 BLACKSTONE MANAGEMENT ASSOCIATES V L.L.C., By: BMA V L.L.C., its sole member, By: /s/ Tabea Hsi, Name: Tabea Hsi, Authorized Signatory 2021-12-14 BMA V L.L.C., By: /s/ Tabea Hsi, Name: Tabea Hsi, Authorized Signatory 2021-12-14 BLACKSTONE HOLDINGS III L.P., By: Blackstone Holdings III GP L.P., its general partner, By: Blackstone Holdings III GP Management L.L.C., its general partner, By: /s/ Tabea Hsi, Name: Tabea Hsi, Senior Managing Director 2021-12-14 BLACKSTONE HOLDINGS III GP L.P., By: Blackstone Holdings III GP Management L.L.C., its general partner, By: /s/ Tabea Hsi, Name: Tabea Hsi, Senior Managing Director 2021-12-14 BLACKSTONE HOLDINGS III GP MANAGEMENT L.L.C., By: /s/ Tabea Hsi, Name: Tabea Hsi, Senior Managing Director 2021-12-14