Exhibit 99.1

|                      |                                             |                    | PFIZER INC              
|--------------------- | ------------------------------------------- | ------------------ | ------------------------
|                      |                                             |                    | SEGMENT/PRODUCT REVENUES
|                      |                                             |                    | FIRST QUARTER 1999      
|(millions of dollars)
|                      |                                             |                    |                         
|                      |                                             |                    |                         
|                      |                                             |                    |                         
|                      |                                             |                    |                         
|TOTAL REVENUES        | 6,580                                       | 5,176              | 27                      
|                      |                                             |                    |                         
|PHARMACEUTICALS       | 5,239                                       | 3,947              | 33                      
|                      | TOTAL HUMAN PHARMACEUTICALS                 | 4,863              | 3,566                   
|                      | - CARDIOVASCULAR DISEASES                   | 1,965              | 1,457                   
|                      |                                             | LIPITOR            | 767                     
|                      |                                             | NORVASC            | 694                     
|                      |                                             | CARDURA            | 191                     
|                      |                                             | ACCUPRIL/ACCURETIC | 116                     
|                      |                                             | PROCARDIA XL       | 138                     
|                      | - INFECTIOUS DISEASES                       | 1,070              | 858                     
|                      |                                             | ZITHROMAX          | 433                     
|                      |                                             | DIFLUCAN           | 242                     
|                      |                                             | VIRACEPT           | 146                     
|                      |                                             | TROVAN             | 63                      
|                      | - CENTRAL NERVOUS SYSTEM
  DISORDERS        | 785                | 633                     
|                      |                                             | ZOLOFT             | 517                     
|                      |                                             | NEURONTIN          | 176                     
|                      |                                             | ARICEPT*           | 19                      
|                      | - DIABETES                                  | 259                | 208                     
|                      |                                             | GLUCOTROL XL       | 66                      
|                      |                                             | REZULIN            | 184                     
|                      | - ALLERGY                                   | 125                | 82                      
|                      |                                             | ZYRTEC             | 124                     
|                      | - VIAGRA                                    | 190                | 0                       
|                      | - ALLIANCE REVENUE (Aricept
  and Celebrex) | 122                | 10                      
|                      | - CAPSUGEL                                  | 93                 | 94                      
|                      | - ANIMAL HEALTH                             | 283                | 287                     
|                      |                                             |                    |                         
|CONSUMER PRODUCTS     | 1,341                                       | 1,229              | 9                       
|                      | - CONSUMER HEALTH CARE
  PRODUCTS           | 646                | 569                     
|                      | - CONFECTIONERY PRODUCTS                    | 460                | 444                     
|                      | - SHAVING PRODUCTS                          | 185                | 167                     
|                      | - TETRA                                     | 50                 | 49                      

* - Represents direct sales under license agreement with Eisai Co., Ltd.

M+ - Change greater than one thousand percent.

Restated to reflect the merger with Warner-Lambert Company in June 2000, which was accounted for as a pooling of interests.

Certain amounts and percentages may reflect rounding adjustments.

Certain prior year data have been reclassified to conform to the current year presentation.