Pfizer Invites Public to Listen to Webcast of Pfizer Discussion at Healthcare Conference

Pfizer Inc. (NYSE: PFE) invites investors and the general public to listen to a webcast of a discussion with Albert Bourla, Chairman and Chief Executive Officer, at the 38^th Annual J.P. Morgan Healthcare Conference on Tuesday, January 14, 2020 at 3:30 p.m. Pacific Standard Time.

To listen to the webcast, visit our web site at www.pfizer.com/investors. Information on accessing and pre-registering for the webcast will be available at www.pfizer.com/investors beginning today.

Visitors will be able to listen to an archived copy of the webcast at www.pfizer.com/investors.

Disclosure Notice: The webcast may include forward-looking statements about, among other things, our anticipated future operating and financial performance, business plans and prospects, expectations for our product pipeline, in-line products and product candidates, strategic reviews, capital allocation objectives, business-development plans, benefits anticipated from the reorganization of our commercial operations in 2019, plans for and prospects of our acquisitions and other business development activities, including our proposed transaction with Mylan N.V. (Mylan) to combine Upjohn and Mylan to create a new global pharmaceutical company, our acquisition of Array BioPharma Inc. and our transaction with GSK to combine our respective consumer healthcare businesses into a new consumer healthcare joint venture, our ability to successfully capitalize on growth opportunities or prospects, manufacturing and product supply and plans relating to share repurchases and dividends, among other things, 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, 2018 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.

ADDITIONAL INFORMATION

This communication shall not constitute an offer to sell or the solicitation of an offer to sell or the solicitation of an offer to buy any securities, nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such jurisdiction. No offer of securities shall be made except by means of a prospectus meeting the requirements of Section 10 of the Securities Act of 1933, as amended. In connection with the proposed combination of Upjohn Inc. ("Newco"), a wholly owned subsidiary of Pfizer Inc. ("Pfizer") and Mylan N.V. ("Mylan"), which will immediately follow the proposed separation of the Upjohn business (the "Upjohn Business") from Pfizer (the "proposed transaction"), Newco and Mylan have filed certain materials with the Securities and Exchange Commission (the "SEC"), including, among other materials, the Registration Statement on Form S-4 which includes a proxy statement/prospectus (as amended, the "Form S-4"), and Form 10 which includes an information statement (as amended, the "Form 10"), each of which has been filed by Newco with the SEC on October 25, 2019 and subsequently amended. The registration statements have not yet become effective. After the Form S-4 is effective, a definitive proxy statement/prospectus will be sent to the Mylan shareholders seeking approval of the proposed transaction, and after the Form 10 is effective, a definitive information statement will be made available to the Pfizer stockholders relating to the proposed transaction. Newco and Mylan intend to file additional relevant materials with the SEC in connection with the proposed transaction, including a proxy statement of Mylan in definitive form. INVESTORS AND SECURITY HOLDERS ARE URGED TO READ THE DOCUMENTS FILED WITH THE SEC CAREFULLY AND IN THEIR ENTIRETY BECAUSE THEY WILL CONTAIN IMPORTANT INFORMATION ABOUT MYLAN, NEWCO AND THE PROPOSED TRANSACTION. The documents relating to the proposed transaction (when they are available) can be obtained free of charge from the SEC's website at www.sec.gov. These documents (when they are available) can also be obtained free of charge from Mylan, upon written request to Mylan, at (724) 514-1813 or [email protected] or from Pfizer on Pfizer's internet website at https://investors.Pfizer.com/financials/sec-filings/default.aspx or by contacting Pfizer's Investor Relations Department at (212) 733-2323, as applicable.

PARTICIPANTS IN THE SOLICITATION

This communication is not a solicitation of a proxy from any investor or security holder. However, Pfizer, Mylan, Newco and certain of their respective directors and executive officers may be deemed to be participants in the solicitation of proxies in connection with the proposed transaction under the rules of the SEC. Information about the directors and executive officers of Pfizer may be found in its Annual Report on Form 10-K filed with the SEC on February 28, 2019, its definitive proxy statement and additional proxy statement relating to its 2019 Annual Meeting filed with the SEC on March 14, 2019 and on April 2, 2019, respectively, and Current Report on Form 8-K filed with the SEC on June 27, 2019. Information about the directors and executive officers of Mylan may be found in its amended Annual Report on Form 10-K filed with the SEC on April 30, 2019, and its definitive proxy statement relating to its 2019 Annual Meeting filed with the SEC on May 24, 2019. Additional information regarding the interests of these participants can also be found in the Form S-4 and will also be included in the definitive proxy statement of Mylan in connection with the proposed transaction when it becomes available. These documents (when they are available) can be obtained free of charge from the sources indicated above.

Pfizer Inc.: 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 150 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.