| ViiV Healthcare Limited | Interest of 11.7% at 31 Dec 2025 | Stated | Form 10-K for the fiscal year ended 31 December 2025 |
| AHP Manufacturing B.V. | Consolidates the entity | Register | Record of AHP Manufacturing B.V. in the register of legal entities, 4 November 2026 |
| C.P. Pharmaceuticals International C.V. | Consolidates the entity | Register | Record of C.P. Pharmaceuticals International C.V. in the register of legal entities, 4 November 2026 |
| John Wyeth & Brother Limited | Consolidates the entity | Register | Record of JOHN WYETH & BROTHER LIMITED in the register of legal entities, 4 November 2026 |
| PF Prism Holdings B.V. | Consolidates the entity | Register | Record of PF PRISM HOLDINGS B.V. in the register of legal entities, 4 November 2026 |
| PF Prism Imb B.V. | Consolidates the entity | Register | Record of PF PRISM IMB B.V. in the register of legal entities, 4 November 2026 |
| Pfizer Aktiebolag | Consolidates the entity | Register | Record of Pfizer Aktiebolag in the register of legal entities, 4 November 2026 |
| Pfizer Anti-Infectives AB | Consolidates the entity | Register | Record of Pfizer Anti-Infectives AB in the register of legal entities, 4 November 2026 |
| Pfizer | Consolidates the entity | Register | Record of Pfizer in the register of legal entities, 4 November 2026 |
| Pfizer Consumer Healthcare | Consolidates the entity | Register | Record of PFIZER CONSUMER HEALTHCARE in the register of legal entities, 4 November 2026 |
| Pfizer Development Services (UK) Limited | Consolidates the entity | Register | Record of PFIZER DEVELOPMENT SERVICES (UK) LIMITED in the register of legal entities, 4 November 2026 |
| Pfizer Global Holdings B.V. | Consolidates the entity | Register | Record of Pfizer Global Holdings B.V. in the register of legal entities, 4 November 2026 |
| Pfizer H.C.P. Corporation | Consolidates the entity | Register | Record of PFIZER H.C.P. CORPORATION in the register of legal entities, 4 November 2026 |
| Pfizer Health AB | Consolidates the entity | Register | Record of Pfizer Health AB in the register of legal entities, 4 November 2026 |
| Pfizer Healthcare Ireland Unlimited Company | Consolidates the entity | Register | Record of PFIZER HEALTHCARE IRELAND UNLIMITED COMPANY in the register of legal entities, 4 November 2026 |
| Pfizer Holding France | Consolidates the entity | Register | Record of PFIZER HOLDING FRANCE in the register of legal entities, 4 November 2026 |
| Pfizer Ireland Pharmaceuticals Unlimited Company | Consolidates the entity | Register | Record of PFIZER IRELAND PHARMACEUTICALS UNLIMITED COMPANY in the register of legal entities, 4 November 2026 |
| Pfizer Ireland Ventures Unlimited Company | Consolidates the entity | Register | Record of PFIZER IRELAND VENTURES UNLIMITED COMPANY in the register of legal entities, 4 November 2026 |
| Pfizer Limited | Consolidates the entity | Register | Record of PFIZER LIMITED in the register of legal entities, 4 November 2026 |
| Pfizer Luxembourg Global Holdings S.à r.l. | Consolidates the entity | Register | Record of Pfizer Luxembourg Global Holdings S.à r.l. in the register of legal entities, 4 November 2026 |
| Pfizer Manufacturing Austria GmbH | Consolidates the entity | Register | Record of Pfizer Manufacturing Austria GmbH in the register of legal entities, 4 November 2026 |
| Pfizer Netherlands International Finance B.V. | Consolidates the entity | Register | Record of Pfizer Netherlands International Finance B.V. in the register of legal entities, 4 November 2026 |
| Pfizer Overseas LLC | Consolidates the entity | Register | Record of PFIZER OVERSEAS LLC in the register of legal entities, 4 November 2026 |
| Pfizer PFE Eastern Investments B.V. | Consolidates the entity | Register | Record of Pfizer PFE Eastern Investments B.V. in the register of legal entities, 4 November 2026 |
| Pfizer Pfe Global Holdings B.V. | Consolidates the entity | Register | Record of PFIZER PFE GLOBAL HOLDINGS B.V. in the register of legal entities, 4 November 2026 |
| Pfizer Pharmaceuticals Global B.V. | Consolidates the entity | Register | Record of PFIZER PHARMACEUTICALS GLOBAL B.V. in the register of legal entities, 4 November 2026 |
| Pfizer Products India Private Limited | Consolidates the entity | Register | Record of PFIZER PRODUCTS INDIA PRIVATE LIMITED in the register of legal entities, 4 November 2026 |
| Pfizer R&d UK Limited | Consolidates the entity | Register | Record of PFIZER R&D UK LIMITED in the register of legal entities, 4 November 2026 |
| Pfizer SL | Consolidates the entity | Register | Record of PFIZER SL in the register of legal entities, 4 November 2026 |
| Pharmacia & Upjohn Company LLC | Consolidates the entity | Register | Record of PHARMACIA & UPJOHN COMPANY LLC in the register of legal entities, 4 November 2026 |
| Upjohn Finance B.V. | Consolidates the entity | Register | Record of Upjohn Finance B.V. in the register of legal entities, 4 November 2026 |
| Warner-Lambert Company LLC | Consolidates the entity | Register | Record of WARNER-LAMBERT COMPANY LLC in the register of legal entities, 4 November 2026 |
| Wyeth Pharmaceuticals India Private Limited | Consolidates the entity | Register | Record of WYETH PHARMACEUTICALS INDIA PRIVATE LIMITED in the register of legal entities, 4 November 2026 |