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              [html]<thead><tr><td></td><td>Balance at December 31.1997</td><tdcolspan="2">Number of Shares</td></tr><tr><td></td><td>Weighted - Average Exercise Price</td><tdcolspan="2">( 1.90 +, 365 shares exercisable )</td></tr></thead><tbody><tr><td>2.798.206</td><td></td><td></td><td></td></tr><tr><td>8</td><td>2.67</td><tdrowspan="5">Granted</td><td>941.396</td></tr><tr><td>5.87</td><td>Granted in Arksys acquisition</td><td>63.410</td></tr><tr><td>4.44</td><td>Exercised</td><td>( 80.132 )</td></tr><tr><td>2.13</td><td>Forfeited</td><td>( 100.289 )</td></tr><tr><td>6.23</td><td>Balance at December 31.1996</td><td>( 2.174,+ 12 shares exercisable )</td></tr><tr><td>3.622.591</td><td></td><td></td><td></td></tr><tr><td>8</td><td>3.46</td><tdrowspan="4">Granted</td><td>1.140.830</td></tr><tr><td>5.02</td><td>Exercised</td><td>( 228.503 )</td></tr><tr><td>1.46</td><td>Forfeited</td><td>( 233.194 )</td></tr><tr><td>5.09</td><td>Balance at December 31.1999</td><td>( 2.379.729 shares exercisable )</td></tr><tr><td>+, 301.724</td><td></td><td></td><td></td></tr><tr><td>8</td><td>3.87</td><tdrowspan="4">Granted</td><td>1.237.000</td></tr><tr><td>7.24</td><td>Exercised</td><td>( 390.231 )</td></tr><tr><td>2.43</td><td>Forfeited</td><td>( 563.985 )</td></tr><tr><td>6.00</td><td>Balance at December 31.2000</td><td>( 2,++ 1.923 shares exercisable )</td></tr><tr><td>+, 584.508</td><td></td><td></td><td></td></tr><tr><td>8</td><td>4.65</td></tr></tbody>
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