MYL Mylan NV

Additional Information and Where to Find It

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 transaction, Upjohn Inc. (“Newco”) and Mylan N.V. (“Mylan”) have filed certain materials with the Securities and Exchange Commission (“SEC”), including, among other materials, the Registration Statement on Form S-4, as amended, which includes a proxy statement/prospectus (as amended, the “Form S-4”), the Registration Statement on Form 10, as amended, which includes an information statement (as amended, the “Form 10”) and the prospectus, which was filed by Newco with the SEC on February 13, 2020 (the “Prospectus”) filed by Newco and a definitive proxy statement, which was filed by Mylan with the SEC on February 13, 2020 (the “Proxy Statement”). The Form S-4 was declared effective on February 13, 2020 and the Proxy Statement and the Prospectus were first mailed to shareholders of Mylan on or about February 14, 2020 to seek approval of the proposed transaction. The Form 10 has not yet become effective. After the Form 10 is effective, a definitive information statement will be made available to the Pfizer Inc. (“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. INVESTORS AND SECURITY HOLDERS ARE URGED TO READ 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 or by contacting Mylan at (724) 514-1813 or investor.relations@mylan.com 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 27, 2020 and its definitive proxy statement relating to its 2020 Annual Meeting filed with the SEC on March 13, 2020. Information about the directors and executive officers of Mylan may be found in its Annual Report on Form 10-K filed with the SEC on February 28, 2020, 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, the Proxy Statement and the Prospectus. These documents can be obtained free of charge from the sources indicated above.