| INSIDER TRANSACTIONS REPORTED - LAST TWO YEARS |
| Date | Insider | Shares | Type | Transaction | Value* | | 19-Oct-09 | TANG KEVIN C Director | 2,443,181 | Indirect | Purchase at $0.88 per share. | $2,149,999 | | 19-Oct-09 | 14159 CAPITAL (GP), LLC Beneficial Owner (10% or more) | 156,591 | Indirect | Statement of Ownership | N/A | | 19-Oct-09 | BAKER BROTHERS LIFE SCIENCES CAPITAL (GP), LLC Beneficial Owner (10% or more) | 5,264,782 | Indirect | Statement of Ownership | N/A | | 19-Oct-09 | BAKER / TISCH CAPITAL (GP), LLC Beneficial Owner (10% or more) | 5,967 | Indirect | Statement of Ownership | N/A | | 19-Oct-09 | BAKER BROS. CAPITAL (GP), LLC Beneficial Owner (10% or more) | 1,786 | Indirect | Statement of Ownership | N/A | | 19-Oct-09 | BAKER BIOTECH CAPITAL (GP), LLC Beneficial Owner (10% or more) | 1,432,692 | Indirect | Statement of Ownership | N/A | | 8-Jul-09 | PRENTKI RONALD J Officer | 22,556 | Direct | Disposition (Non Open Market) at $0.90 per share. | $20,300 | | 8-Jul-09 | PRENTKI RONALD J Officer | 63,095 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A | | 27-May-09 | GODDARD PAUL Director | 70,000 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A | | 27-May-09 | ROSENBLATT TOBY Director | 70,000 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A | | 27-May-09 | TURNBULL GREG Director | 70,000 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A | | 27-May-09 | ZERBE ROBERT L MD Director | 70,000 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A | | 31-Dec-08 | TANG KEVIN C Beneficial Owner (10% or more) | 175,000 | Indirect | Purchase at $0.42 per share. | $73,500 | | 18-Dec-08 | TANG KEVIN C Beneficial Owner (10% or more) | 415,300 | Indirect | Purchase at $0.48 per share. | $199,344 | | 13-Nov-08 | TANG KEVIN C Beneficial Owner (10% or more) | 841,032 | Indirect | Purchase at $0.48 - $0.5 per share. | $412,0002 | | 10-Nov-08 | ROSENBLATT TOBY Director | 40,000 | Indirect | Sale at $0.51 per share. | $20,400 | | 10-Nov-08 | ROSENBLATT TOBY Director | 6,881 | Direct | Sale at $0.51 per share. | $3,509 | | 31-Oct-08 | TANG KEVIN C Beneficial Owner (10% or more) | 336,300 | Indirect | Purchase at $0.61 per share. | $205,143 | | 10-Oct-08 | TANG KEVIN C Beneficial Owner (10% or more) | 870,000 | Indirect | Purchase at $0.74 per share. | $643,800 | | 30-Sep-08 | TANG KEVIN C Beneficial Owner (10% or more) | 650,000 | Indirect | Purchase at $0.97 per share. | $630,500 | | 1-Aug-08 | PRENTKI RONALD J Officer | 1,860 | Indirect | Purchase at $1.42 - $1.43 per share. | $2,6502 | | 28-Jul-08 | PRENTKI RONALD J Officer | 5,000 | Indirect | Purchase at $1.47 per share. | $7,350 | | 7-Jul-08 | PRENTKI RONALD J Officer | N/A | Direct | Statement of Ownership | N/A | | 28-May-08 | ZERBE ROBERT L MD Director | 9,000 | Direct | Acquisition (Non Open Market) at $0.01 per share. | $90 | | 28-May-08 | TURNBULL GREG Officer | 9,000 | Direct | Acquisition (Non Open Market) at $0.01 per share. | $90 | | 28-May-08 | ROSENBLATT TOBY Director | 9,000 | Direct | Acquisition (Non Open Market) at $0.01 per share. | $90 | | 28-May-08 | RIEPENHAUSEN PETER Director | 9,000 | Direct | Acquisition (Non Open Market) at $0.01 per share. | $90 | | 28-May-08 | TAYLOR ARTHUR T Director | 9,000 | Direct | Acquisition (Non Open Market) at $0.01 per share. | $90 | | 28-May-08 | GODDARD PAUL Director | 9,000 | Direct | Acquisition (Non Open Market) at $0.01 per share. | $90 | | 25-Apr-08 | TANG KEVIN C Beneficial Owner (10% or more) | 5,236 | Indirect | Purchase at $1 per share. | $5,236 | | 24-Apr-08 | TANG KEVIN C Beneficial Owner (10% or more) | 10,160 | Indirect | Purchase at $1 per share. | $10,160 | | 23-Apr-08 | TANG KEVIN C Beneficial Owner (10% or more) | 300 | Indirect | Purchase at $1 per share. | $300 | | 22-Apr-08 | TANG KEVIN C Beneficial Owner (10% or more) | 685,612 | Indirect | Purchase at $1 per share. | $685,612 | | 15-Jan-08 | GODDARD PAUL Director | 18,250 | Direct | Acquisition (Non Open Market) at $0.01 per share. | $182 | | 27-Dec-07 | TURNBULL GREG Officer | 5,000 | Direct | Purchase at $1.44 per share. | $7,200 | | 28-Nov-07 | TURNBULL GREG Officer | 12,125 | Direct | Purchase at $1.64 - $1.7 per share. | $20,0002 |
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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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