Pfizer Ltd. — Regulatory Filings 2025

Mar 31, 2025

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Pfizer Limited

The Capital, 1802/1901, Plot No. C - 70, G Block, Bandra Kurla Complex, Bandra (East), Mumbai 400 051. Tel : +91 22 6693 2000 Fax : +91 22 2654 0274

March 31, 2025

The Corporate Relationship Dept. The Manager, Listing Dept. BSE Limited The National Stock Exchange of India Ltd. 1[st] Floor, P.J.Towers Exchange Plaza, 5[th] Floor, Plot No. C/1, Dalal Street, Fort G Block Bandra-Kurla Complex, Bandra (E) Mumbai – 400 001 Mumbai – 400 051 Scrip Code: 500680 Scrip Symbol: PFIZER

Dear Sirs,

Sub: Closure of Trading Window

We would like to inform you that, for the purpose of declaration of Audited financial results of the Company for the quarter and financial year ending March 31, 2025, the trading window for trading in shares of the Company shall remain closed from Monday, March 31, 2025 (close of business hours) till 48 hours after the said financial results are made public.

We request you to kindly take the same on record.

Thanking you,

Yours truly, For Pfizer Limited Prajeet Digitally signed by Prajeet Nair Nair Date: 2025.03.31 15:17:04 +05'30' Prajeet Nair Director – Corporate Services & Company Secretary

Cc.: National Securities Depository Limited (NSDL) Central Depository Services (India) Limited (CDSL) KFin Technologies Limited

CIN: L24231MH1950PLC008311 Email ID: contactus.india@pfizer.com Website: www.pfizerltd.co.in