Supplemental B 04.10.25

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934

(Amendment No. )

Filed by the Registrant x

Filed by a Party Other Than the Registrant ¨

Check the Appropriate Box:


¨			Preliminary Proxy Statement

¨			Confidential, for Use of the Commission Only (as Permitted by Rule 14a-6(e)(2))

¨			Definitive Proxy Statement

x			Definitive Additional Materials

¨			Soliciting Material Pursuant to §240.14a-12

Pfizer Inc.
(Name of Registrant as Specified In Its Charter)

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

Payment of filing fee (Check all boxes that apply):

x			No fee required

¨			Fee paid previously with preliminary materials

¨			Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11

On April 10, 2025, Pfizer Inc. posted the following message on LinkedIn:

On April 10, 2025, Pfizer Inc. posted the following messages on Facebook:

On April 10, 2025, Pfizer Inc. posted the following message via Yahoo! Finance Advertising: On April 10, 2025, Pfizer Inc. posted the following message via Display Advertising:

On April 10, 2025, Pfizer Inc. posted the following message via Google Search Advertising: