Pfizer Invites Public to Register for Webcast of Analyst and Investor Call to Discuss Pfizer-BioNTech COVID-19 Vaccine and Pfizer’s Novel COVID-19 Oral Antiviral Treatment Candidate

Pfizer Inc. (NYSE: PFE) invites investors and the general public to access a live webcast of a presentation and conference call with investment analysts at 8:30 a.m. EST on Friday, December 17, 2021. Pfizer Vaccines and Hospital leadership will discuss the Pfizer-BioNTech COVID-19 vaccine and Pfizer’s novel COVID-19 oral antiviral treatment candidate.

To access the webcast and presentation slides, visit our web site at www.pfizer.com/investors. Information on accessing and registering for the webcast will be available at www.pfizer.com/investors beginning today. Participants are advised to register in advance.

Participants will also have an opportunity to ask questions in a live Q&A session with leadership. Those participants who would like to ask a question can dial either (833) 708-1779 in the United States and Canada or (602) 585-9859 outside of the United States and Canada. The passcode is “121621”.

The transcript and webcast replay will be made available on our web site at www.pfizer.com/investors within 24 hours after the end of the live webcast and will be accessible for at least 90 days.

About Pfizer: Breakthroughs That Change Patients’ Lives

At Pfizer, we apply science and our global resources to bring therapies to people that extend and significantly improve their lives. We strive to set the standard for quality, safety and value in the discovery, development and manufacture of health care products, including innovative medicines and vaccines. Every day, Pfizer colleagues work across developed and emerging markets to advance wellness, prevention, treatments and cures that challenge the most feared diseases of our time. Consistent with our responsibility as one of the world's premier innovative biopharmaceutical companies, we collaborate with health care providers, governments and local communities to support and expand access to reliable, affordable health care around the world. For more than 170 years, we have worked to make a difference for all who rely on us. We routinely post information that may be important to investors on our website at www.Pfizer.com. In addition, to learn more, please visit us on www.Pfizer.com and follow us on Twitter at @Pfizer and @Pfizer News, LinkedIn, YouTube and like us on Facebook at Facebook.com/Pfizer.

Disclosure Notice: The webcast may include forward-looking statements about, among other things, our efforts to respond to COVID-19, including our development of a vaccine to help prevent COVID-19 and our investigational protease inhibitors, our anticipated operating and financial performance, reorganizations, business plans and prospects; expectations for our product pipeline, in-line products and product candidates, including anticipated regulatory submissions, data read-outs, study starts, approvals, clinical trial results and other developing data, revenue contribution, growth, performance, timing of exclusivity and potential benefits; and manufacturing and product supply, that are subject to substantial risks and uncertainties that could cause actual results to differ materially from those expressed or implied by such statements. A description of these risks and uncertainties can be found in Pfizer’s Annual Report on Form 10-K for the fiscal year ended December 31, 2020 and in its subsequent reports on Form 10-Q, including in the sections thereof captioned “Risk Factors” and “Forward-Looking Information and Factors That May Affect Future Results”, as well as in its subsequent reports on Form 8-K, all of which are filed with the U.S. Securities and Exchange Commission and available at www.sec.gov and www.pfizer.com.

The forward-looking statements in the webcast speak only as of the original date of the webcast. Pfizer assumes no obligation to update forward-looking statements contained in the webcast as the result of new information or future events or developments.

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