Pfizer Ltd. — Regulatory Filings 2025

Jun 30, 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

June 30, 2025

The Corporate Relationship Dept. BSE Limited 1[st] Floor, P.J.Towers Dalal Street, Fort Mumbai – 400 001 Scrip Code: 500680

The Manager, Listing Dept. The National Stock Exchange of India Ltd. Exchange Plaza, 5[th] Floor, Plot No. C/1, G Block Bandra-Kurla Complex, Bandra (E) Mumbai – 400 051 Scrip Symbol: PFIZER

Dear Sirs,

Sub: Closure of Trading Window.

We would like to inform you that, for the purpose of declaration of Unaudited Financial Results of the Company, for the quarter ending June 30, 2025, the trading window for trading in shares of the Company shall remain closed from Monday, June 30, 2025 (close of business) till 48 hours after the results are made public.

Request you to please take the above on record.

Thanking you,

Yours truly, For Pfizer Limited

Prajeet Digitally signed by Prajeet Nair Nair Date: 2025.06.30 17:58:34 +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