| Individual/Entity | Most Recent Trans. | Shares Owned as of Trans. Date | ALBRIGHT PAUL Officer | Automatic Sale 5-Jan-10 | 5,022 5-Jan-10 | AU LUEN Officer | Automatic Sale 1-Feb-10 | 200,713 1-Feb-10 | BERNSHTEYN ROBERT Officer | Option Exercise 8-Dec-08 | 34,582 8-Dec-08 | DALGAARD LARS Officer | Automatic Sale 29-Jan-10 | 1,004,803 29-Jan-10 | DUNN ERIC Director | Acquisition (Non Open Market) 15-Oct-09 | 50,655 15-Oct-09 | FELT BRUCE C. JR. Officer | Automatic Sale 1-Feb-10 | 96,410 1-Feb-10 | GREYLOCK EQUITY GP LIMITED PARTNERSHIP Other | Disposition (Non Open Market) 30-Jul-09 | 2,804,629
30-Jul-09 | GREYLOCK EQUITY LP Other | Disposition (Non Open Market) 30-Jul-09 | 2,804,629 30-Jul-09 | LARSON JAMES Officer | Sale 3-Aug-09 | 33,747 3-Aug-09 | ONG JULIAN K. Officer | Option Exercise 11-Feb-08 | 20,000 11-Feb-08 | STROHM DAVID N Director | Acquisition (Non Open Market) 23-Nov-09 | 716,871 23-Nov-09 | TARRANT CAPITAL ADVISORS, INC. Beneficial Owner (10% or more) | Sale 27-Jun-08 | 7,073,260
27-Jun-08 | WHORTON DAVID G. Director | Acquisition (Non Open Market) 15-Oct-09 | 107,107 15-Oct-09 | WOMACK RANDALL J. Officer | Option Exercise 1-Feb-10 | 0 1-Feb-10 |
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