Book value per share
Earnings per share
Number of employees
Stock price trading range

Supplementary Financial Data
(unaudited)(in thousands, except per-share amounts)

* Reflects the three-for-two stock split effective September 1998.

(1) Net income and net income per share include purchased research and development expenses of $47.8 million. Pro forma net income and diluted net income per share, excluding this nonrecurring item net of tax, would have been $522.8 million and $0.32, respectively.

(2) Net income and net income per share include purchased research and development expenses of $418.7 million. Pro forma net income and diluted net income per share, excluding this nonrecurring item net of tax, would have been $483.2 million and $0.30, respectively.

(3) Net income and net income per share include purchased research and development expenses of $127.2 million and realized gains on the sale of a minority stock investment of $5.4 million. Pro forma net income and diluted net income per share, excluding these nonrecurring items net of tax, would have been $415.7 million and $0.26, respectively.

(4) Net income and net income per share include purchased research and development expenses of $290.6 million and realized gains on the sale of a minority stock investment of $18.0 million. Pro forma net income and diluted net income per share, excluding these nonrecurring items net of tax, would have been $383.2 million and $0.24, respectively.

(5) Net income and net income per share include realized gains on the sale of a minority stock investment of $32.3 million. Pro forma net income and diluted net income per share, excluding this nonrecurring item net of tax, would have been $358.0 million and $0.23, respectively.

(6) Net income and net income per share include purchased research and development expenses of $43.2 million and realized gains on the sale of a minority stock investment of $47.3 million. Pro forma net income and diluted net income per share, excluding these nonrecurring items net of tax, would have been $351.9 million and $0.23, respectively.

(7) Net income and net income per share include purchased research and development expenses of $174.6 million and realized gains on the sale of a minority stock investment of $55.1 million. Pro forma net income and diluted net income per share, excluding these nonrecurring items net of tax, would have been $320.8 million and $0.21, respectively.