SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report: April 20, 2004 Date of earliest event reported: April 20, 2004 PFIZER INC. (Exact name of registrant as specified in its charter) Delaware 1-3619 13-5315170 (State or other (Commission File (I.R.S. Employer jurisdiction of (Number) Identification No.) incorporation) 235 East 42nd Street 10017 New York, New York (Zip Code) (Address of principal executive offices) Registrant's telephone number, including area code: (212) 573-2323 Item 7(c). Exhibits Exhibit 99 - Press Release of Pfizer Inc. dated April 20, 2004, reporting Pfizer's financial results for the first quarter of 2004. Item 12. Results of Operations and Financial Condition On April 20, 2004, Pfizer Inc. issued a press release announcing its financial results for the first quarter of 2004. A copy of the press release is furnished as Exhibit 99 to this report and is incorporated herein by reference. SIGNATURE Under the requirements of the Securities Exchange Act of 1934, the registrant has caused this report to be signed on its behalf by the authorized undersigned. PFIZER INC. By: /s/ Margaret M. Foran ---------------------------- Margaret M. Foran Title: Vice President-Corporate Governance and Secretary Dated: April 20, 2004 EXHIBIT INDEX Exhibit No. Description 99 Press Release of Pfizer Inc. dated April 20, 2004, reporting Pfizer's financial results for the first quarter of 2004.