Pfizer Ltd. — Regulatory Filings 2023

Aug 4, 2023

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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

August 4, 2023

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,

Subject: Board Meeting for consideration and to take on record the Unaudited Financial Results for the quarter ended June 30, 2023.

Ref: Regulation 29 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015.

This is to inform you that a meeting of the Board of Directors of the Company is scheduled to be held on Friday , August 11, 2023 , inter alia , to consider and take on record the Unaudited Financial Results of the Company for the quarter ended June 30, 2023.

Pursuant to the “Pfizer Limited – Code of Internal Procedures and Conduct to Regulate, Monitor and Report Trading by Insiders”, the Trading Window of the Company was closed from Friday, June 30, 2023 (close of business), till 48 hours after the results are made public on August 11, 2023.

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: 2023.08.04 15:06:08 +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