Three Months Ended           Six Months Ended
                                                                        June 30                     June 30
                                                               ------------------------    ------------------------
                                                                  2000          1999          2000          1999
                                                               ----------    ----------    ----------    ----------
Net Sales ..................................................   $3,370,153    $3,259,211    $6,723,331    $6,572,531
                                                               ----------    ----------    ----------    ----------

Cost of products sold ......................................    1,530,254     1,415,188     3,026,701     2,868,204
Research and development ...................................      361,592       317,903       682,959       587,400
Selling, general and administrative ........................      728,943       693,664     1,459,247     1,379,144
Gain on sale of business ...................................      (92,203)           --      (138,507)           --
                                                               ----------    ----------    ----------    ----------
     Total Operating Cost and Expenses .....................    2,528,586     2,426,755     5,030,400     4,834,748
                                                               ----------    ----------    ----------    ----------

Operating Earnings .........................................      841,567       832,456     1,692,931     1,737,783

Net interest expense .......................................       11,090        21,716        23,124        47,568
Income from TAP Pharmaceutical Products Inc. joint venture .     (117,571)      (96,336)     (236,485)     (167,905)
Net foreign exchange (gain) loss ...........................        1,439        (2,078)        2,280        18,481
Other (income) expense, net ................................        7,976        13,355        16,123        15,086
                                                               ----------    ----------    ----------    ----------
     Earnings Before Taxes .................................      938,633       895,799     1,887,889     1,824,553

Taxes on earnings ..........................................      253,431       250,824       509,730       510,875
                                                               ----------    ----------    ----------    ----------
Net Earnings ...............................................   $  685,202    $  644,975    $1,378,159    $1,313,678
                                                               ==========    ==========    ==========    ==========

Basic Earnings Per Common Share ............................   $     0.44    $     0.42    $     0.89    $     0.86
                                                               ==========    ==========    ==========    ==========

Diluted Earnings Per Common Share ..........................   $     0.44    $     0.41    $     0.88    $     0.84
                                                               ==========    ==========    ==========    ==========

Cash Dividends Declared Per Common Share ...................   $     0.19    $     0.17    $     0.38    $     0.34
                                                               ==========    ==========    ==========    ==========

Average Number of Common Shares Outstanding
  Used for Basic Earnings Per Common Share .................    1,549,864     1,535,397     1,548,941     1,533,808

Dilutive Common Stock Options ..............................       16,509        23,304        13,999        24,205
                                                               ----------    ----------    ----------    ----------

Average Number of Common Shares Outstanding
  Plus Dilutive Common Stock Options .......................    1,566,373     1,558,701     1,562,940     1,558,013
                                                               ==========    ==========    ==========    ==========

Outstanding Common Stock Options Having No Dilutive Effect .       19,575         2,808        19,575         2,808
                                                               ==========    ==========    ==========    ==========