| INSIDER TRANSACTIONS REPORTED - LAST TWO YEARS |
| Date | Insider | Shares | Type | Transaction | Value* | | 31-May-06 | FIRESTONE, LAWRENCE Chief Financial Officer | 117,500 | Direct | Option Exercise at $3 - $26.26 per share. | N/A | | 31-May-06 | FIRESTONE, LAWRENCE Chief Financial Officer | 117,500 | Direct | Sale at $28.282 - $28.329 per share. | $3,326,0002 | | 30-May-06 | FIRESTONE, LAWRENCE Chief Financial Officer | 24,900 | Direct | Option Exercise at $3 - $3.5 per share. | $81,0002 | | 30-May-06 | FIRESTONE, LAWRENCE Chief Financial Officer | 25,440 | Direct | Sale at $28.24 per share. | $718,425 | | 30-May-06 | FIRESTONE, LAWRENCE
| 142,931 | Direct | Planned Sale | $4,037,8001 | | 1-Jan-06 | LAI, CHUNG-PING. Senior Vice President | N/A | Direct | Statement of Ownership | N/A | | 28-Nov-05 | ELSCHNER, ROBERT Senior Vice President | 204,243 | Direct | Acquisition (Non Open Market) at $19.98 per share. | $4,080,775 | | 28-Nov-05 | ELSCHNER, ROBERT Senior Vice President | N/A | Direct | Statement of Ownership | N/A | | 16-Nov-05 | EDMAN, THOMAS T. Officer | 500 | Direct | Planned Sale | $10,2451 | | 16-Nov-05 | EDMAN, THOMAS T. Officer | 6,000 | Direct | Planned Sale | $131,9501 | | 16-Nov-05 | EDMAN, THOMAS T. Chief Executive Officer | 10,000 | Direct | Option Exercise at $5.26 per share. | $52,600 | | 16-Nov-05 | EDMAN, THOMAS T. Chief Executive Officer | 6,500 | Direct | Automatic Sale at $19.90 - $20.03 per share. | $130,0002 | | 3-Jun-05 | HELIX TELEPHONE CO.
| 80,826 | Direct | Planned Sale | $2,170,1781 | | 29-Apr-05 | NELL, JOACHIM Vice President | 194 | Direct | Acquisition (Non Open Market) at $19.669 per share. | $3,815 | | 29-Apr-05 | BAE, JANG HO Officer | 530 | Direct | Acquisition (Non Open Market) at $19.669 per share. | $10,424 | | 29-Apr-05 | FIRESTONE, LAWRENCE Chief Financial Officer | 137 | Direct | Acquisition (Non Open Market) at $19.669 per share. | $2,694 | | 15-Dec-04 | EDMAN, THOMAS T. Chief Executive Officer | 4,545 | Direct | Sale at $20.2715 per share. | $92,133 | | 15-Dec-04 | EDMAN, THOMAS T. Chief Executive Officer | 4,545 | Direct | Option Exercise at $5.26 per share. | $23,906 | | 15-Dec-04 | EDMAN, THOMAS T. Officer | 4,545 | Direct | Planned Sale | $92,1311 | | 9-Nov-04 | EDMAN, THOMAS T. Chief Executive Officer | 4,500 | Direct | Option Exercise at $5.26 per share. | $23,670 | | 22-Jul-04 | EDMAN, THOMAS T. Chief Executive Officer | 400 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A | | 22-Jul-04 | FIRESTONE, LAWRENCE Chief Financial Officer | 400 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A | | 22-Jul-04 | BAE, JANG HO Officer | 400 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A | | 22-Jul-04 | NELL, JOACHIM Vice President | 400 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A | | 22-Jul-04 | SCHOLHAMER, JIM Vice President | 400 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A |
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* = Where indicated, some values are estimates. 1 = Potential proceeds estimated by the filer. 2 = Estimated based on the average of multiple prices reported. 3 = Multiple dates reported. Most recent date shown. |
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