NEW YORK--(BUSINESS WIRE)--Pfizer Inc invites investors and the general public to listen to a webcast of a conference call with investment analysts at 12 Noon EDST on Friday, April 20. The purpose of the call is to provide an update on Pfizer’s results, as reflected in the company’s First Quarter 2007 Performance Report, to be issued that morning. To listen to the webcast and view the Performance Report, visit our web site homepage at www.pfizer.com and click on the “Quarterly Corporate Performance – First Quarter 2007” link. Information on accessing, and pre-registering for, the webcast will be available at www.pfizer.com beginning today. Participants are advised to pre-register in advance of the conference call.