X0206 3 2021-01-27 0 0001828443 Ortho Clinical Diagnostics Holdings plc OCDX 0001548624 Carlyle Group Management L.L.C. C/O THE CARLYLE GROUP INC. 1001 PENNSYLVANIA AVENUE NW , SUITE 220 WASHINGTON DC 20004-2505 0 0 1 0 0001527166 Carlyle Group Inc. C/O THE CARLYLE GROUP INC. 1001 PENNSYLVANIA AVENUE NW , SUITE 220 WASHINGTON DC 20004-2505 0 0 1 0 0001548629 Carlyle Holdings II GP L.L.C. C/O THE CARLYLE GROUP INC. 1001 PENNSYLVANIA AVENUE NW , SUITE 220 WASHINGTON DC 20004-2505 0 0 1 0 0001548630 Carlyle Holdings II L.L.C. C/O THE CARLYLE GROUP INC. 1001 PENNSYLVANIA AVENUE NW , SUITE 220 WASHINGTON DC 20004-2505 0 0 1 0 0001790577 CG Subsidiary Holdings L.L.C. C/O THE CARLYLE GROUP INC. 1001 PENNSYLVANIA AVENUE NW , SUITE 220 WASHINGTON DC 20004-2505 0 0 1 0 0001475444 TC Group Cayman Investment Holdings, L.P. C/O THE CARLYLE GROUP INC. 1001 PENNSYLVANIA AVENUE NW , SUITE 220 WASHINGTON DC 20004-2505 0 0 1 0 0001548636 TC Group Cayman Investment Holdings Sub L.P. C/O THE CARLYLE GROUP INC. 1001 PENNSYLVANIA AVENUE NW , SUITE 220 WASHINGTON DC 20004-2505 0 0 1 0 0001838774 TC Group VI Cayman, L.L.C. C/O THE CARLYLE GROUP INC. 1001 PENNSYLVANIA AVENUE NW , SUITE 220 WASHINGTON DC 20004-2505 0 0 1 0 0001838781 TC Group VI Cayman, L.P. C/O THE CARLYLE GROUP INC. 1001 PENNSYLVANIA AVENUE NW , SUITE 220 WASHINGTON DC 20004-2505 0 0 1 0 0001838776 Carlyle Partners VI Cayman Holdings, L.P. C/O THE CARLYLE GROUP INC. 1001 PENNSYLVANIA AVENUE NW , SUITE 220 WASHINGTON DC 20004-2505 0 0 1 0 Ordinary Shares 143406000 I See footnote Reflects ordinary shares held of record by Carlyle Partners VI Cayman Holdings, L.P. (the "Carlyle Investor"). Carlyle Group Management L.L.C. holds an irrevocable proxy to vote a majority of the shares of The Carlyle Group Inc. ("Carlyle"), a publicly traded company listed on Nasdaq. Carlyle is the sole member of Carlyle Holdings II GP L.L.C., which is the managing member of Carlyle Holdings II L.L.C., which, with respect to the securities reported herein, is the managing member of CG Subsidiary Holdings L.L.C., which is the general partner of TC Group Cayman Investment Holdings, L.P., which is the general partner of TC Group Cayman Investment Holdings Sub L.P., which is the sole member of TC Group VI Cayman, L.L.C., which is the general partner of TC Group VI Cayman, L.P., which is the general partner of the Carlyle Investor. Voting and investment determinations with respect to the ordinary shares held of record by the Carlyle Investor are made by an investment committee of TC Group VI Cayman, L.P. Accordingly, each of the foregoing entities may be deemed to share beneficial ownership of the securities held of record by the Carlyle Investor. Each of them disclaims beneficial ownership of such securities. Exhibit 24 - Power of Attorney. Carlyle Group Management L.L.C., By: /s/ Anne Frederick, Attorney-in-fact for Curtis L. Buser, Chief Financial Officer 2021-01-27 The Carlyle Group Inc., By: /s/ Anne Frederick, Attorney-in-fact for Curtis L. Buser, Chief Financial Officer 2021-01-27 Carlyle Holdings II GP L.L.C., By: The Carlyle Group Inc., its sole member, By: /s/ Anne Frederick, Attorney-in-fact for Curtis L. Buser, Chief Financial Officer 2021-01-27 Carlyle Holdings II L.L.C., By /s/ Anne Frederick, Attorney-in-fact for Curtis L. Buser, Chief Financial Officer 2021-01-27 CG Subsidiary Holdings L.L.C., By: /s/ Anne Frederick, Attorney-in-fact for Curtis L. Buser, Authorized Person 2021-01-27 TC Group Cayman Investment Holdings, L.P., By: CG Subsidiary Holdings L.L.C., its general partner, By: /s/ Anne Frederick, Attorney-in-fact for Curtis L. Buser, Authorized Person 2021-01-27 TC Group Cayman Investment Holdings Sub L.P., By: TC Group Cayman Investment Holdings, L.P., its general partner, By: CG Subsidiary Holdings L.L.C., its general partner, By: /s/ Anne Frederick, Attorney-in-fact for Curtis L. Buser, Authorized Person 2021-01-27 TC Group VI Cayman, L.L.C., By: /s/ Jeremy W. Anderson, Authorized Person 2021-01-27 TC Group VI Cayman, L.P., By: /s/ Jeremy W. Anderson, Authorized Person 2021-01-27 Carlyle Partners VI Cayman Holdings, L.P., By: /s/ Jeremy W. Anderson, Authorized Person 2021-01-27