Pharmaceutical Co., Ltd. (Taisho) to acquire worldwide rights outside of Japan for TS-032, a metabolic glutamate receptor agonist that may offer a new treatment option for central nervous system disorders, and is currently in pre-clinical development for the treatment of schizophrenia. We may make payments of up to $255 million to Taisho based upon development and regulatory milestones.

• In the second quarter of 2007, we entered into a collaboration agreement with BMS to further develop and commercialize apixaban, an oral anticoagulant compound discovered by BMS. We made an initial payment to BMS of $250 million and additional payments to BMS related to product development efforts, which are included in Research and development expenses in 2007. We may also make additional payments of up to $780 million to BMS, based on development and regulatory milestones. In a separate agreement, we are also collaborating with BMS on the research, development and commercialization of a Pfizer discovery program, which includes preclinical compounds with potential applications for the treatment of metabolic disorders, including diabetes. We exited research efforts in the area of obesity during the third quarter of 2008.

• In April 2007, we agreed with OSI Pharmaceuticals, Inc. (OSI) to terminate a 2002 collaboration agreement to co-promote Macugen, for the treatment of age-related macular degeneration (AMD), in the U.S. We also agreed to amend and restate a 2002 license agreement for Macugen, and to return to OSI all rights to develop and commercialize Macugen in the U.S. In return, OSI granted us an exclusive right to develop and commercialize Macugen in the rest of the world.

• In the first quarter of 2007, we acquired BioRexis, a privately held biopharmaceutical company with a novel technology platform for developing new protein drug candidates, and Embrex, an animal health company that possesses a unique vaccine delivery system known as Inovoject that improves consistency and reliability by inoculating chicks while they are still inside the egg. In connection with these and other smaller acquisitions, we recorded $283 million in Acquisition-related in-process research and development charges.

• In December 2006, we entered into a collaboration agreement with Kosan Biosciences Inc. (Kosan) to develop a gastrointestinal disease treatment. In 2006, we expensed a payment of $12 million, which was included in Research and development expenses. Additional milestone payments of up to approximately $238 million may be made to Kosan, based upon the successful development and commercialization of a product.

• In September 2006, we entered into a license agreement with Quark Biotech Inc. for exclusive worldwide rights to a compound for the treatment of neovascular (wet) AMD.

• In September 2006, we entered into a license and collaboration agreement with TransTech Pharma Inc. (TransTech) to develop and commercialize small- and large-molecule compounds for treatment of Alzheimer’s disease and diabetic neuropathy. Under the terms of the agreement, Pfizer received exclusive worldwide rights to TransTech’s portfolio of compounds. In 2006, we expensed a payment