| INSIDER TRANSACTIONS REPORTED - LAST TWO YEARS |
| Date | Insider | Shares | Type | Transaction | Value* | | 16-Feb-07 | COLBY KENNETH Officer | 6,500 | Direct | Disposition (Non Open Market) | N/A | | 16-Feb-07 | MARTINI MICHAEL J Officer | 82,898 | Direct | Disposition (Non Open Market) | N/A | | 16-Feb-07 | JOLICOEUR LEO R Officer | 125,000 | Indirect | Disposition (Non Open Market) | N/A | | 16-Feb-07 | ALLEN THOMAS Officer | 500 | Indirect | Disposition (Non Open Market) | N/A | | 16-Feb-07 | ALLEN THOMAS Officer | 90,344 | Direct | Disposition (Non Open Market) | N/A | | 16-Feb-07 | INSTITUTIONAL VENTURE PARTNERS VIII LP Beneficial Owner (10% or more) | 6,721,012 | Indirect | Disposition (Non Open Market) | N/A | | 16-Feb-07 | DAVIS JAMES W Director | 1,200 | Direct | Disposition (Non Open Market) | N/A | | 16-Feb-07 | THOMAS T PETER Director | 6,733,012 | Indirect | Disposition (Non Open Market) | N/A | | 16-Feb-07 | THOMAS T PETER Director | 437,500 | Direct | Disposition (Non Open Market) | N/A | | 16-Feb-07 | CHELLAM KRIS Director | 182,500 | Indirect | Disposition (Non Open Market) | N/A | | 16-Feb-07 | LEVINE CHARLES E Director | 17,000 | Direct | Disposition (Non Open Market) | N/A | | 16-Feb-07 | WALKER MICHAEL Officer | 80,000 | Indirect | Disposition (Non Open Market) | N/A | | 16-Feb-07 | WALKER MICHAEL Officer | 271,377 | Direct | Disposition (Non Open Market) | N/A | | 16-Feb-07 | PANU KRISH Officer | 3,132,000 | Indirect | Disposition (Non Open Market) | N/A | | 16-Feb-07 | PANU KRISH Officer | 35,000 | Direct | Disposition (Non Open Market) | N/A | | 15-Feb-07 | MARTINI MICHAEL J Officer | 1,098 | Direct | Acquisition (Non Open Market) at $4.77 per share. | $5,237 | | 15-Feb-07 | ALLEN THOMAS Officer | 1,800 | Direct | Acquisition (Non Open Market) at $2.91 per share. | $5,238 | | 15-Feb-07 | WALKER MICHAEL Officer | 1,800 | Direct | Acquisition (Non Open Market) at $2.91 per share. | $5,238 | | 14-Feb-07 | WALKER MICHAEL Officer | 135,713 | Direct | Option Exercise at $0.07 - $2 per share. | N/A | | 6-Nov-06 | COLBY KENNETH Officer | 56 | Direct | Disposition (Non Open Market) at $100 - $831.39 per share. | N/A | | 1-Aug-06 | LEVINE CHARLES E Director | 10,000 | Direct | Purchase at $4.23 - $4.25 per share. | $42,0002 | | 2-May-06 | DAVIS JAMES W Director | 1,000 | Direct | Purchase at $5.47 per share. | $5,470 | | 28-Apr-06 | WALKER MICHAEL Officer | 1,800 | Direct | Acquisition (Non Open Market) at $2.91 per share. | $5,238 | | 28-Apr-06 | ALLEN THOMAS Officer | 1,800 | Direct | Acquisition (Non Open Market) at $2.91 per share. | $5,238 | | 15-Feb-06 | MARTINI MICHAEL J Officer | 25,000 | Direct | Purchase at $4.67 - $4.75 per share. | $118,0002 |
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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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