| Date | Insider | Shares | Type | Transaction | Value* |
| 25-Aug-09 | CHRISTENSEN DAVID A Director | 8,310 | Direct | Sale at $31.14 per share. | $258,773 |
| 20-Aug-09 | MOQUIST RONALD M Officer | 35,296 | Direct | Sale at $29.82 per share. | $1,052,526 |
| 21-Jul-09 | OHME BARBARA K Officer | 135 | Direct | Disposition (Non Open Market) at $0 per share. | N/A |
| 9-Jun-09 | WEST MARK L Officer | 5,000 | Direct | Option Exercise at $22 per share. | $110,000 |
| 9-Jun-09 | WEST MARK L Officer | 3,900 | Direct | Disposition (Non Open Market) at $28.40 per share. | $110,760 |
| 1-Jun-09 | CHRISTENSEN DAVID A Director | 11,291 | Direct | Sale at $28.89 per share. | $326,196 |
| 29-May-09 | MOQUIST RONALD M Officer | 14,436 | Direct | Sale at $26.77 per share. | $386,451 |
| 28-May-09 | CHRISTENSEN DAVID A Director | 13,232 | Direct | Sale at $27.05 per share. | $357,925 |
| 28-May-09 | MOQUIST RONALD M Officer | 6,491 | Direct | Sale at $27.25 per share. | $176,879 |
| 27-May-09 | MOQUIST RONALD M Officer | 13,237 | Direct | Sale at $27.53 per share. | $364,414 |
| 26-May-09 | MOQUIST RONALD M Officer | 32,706 | Direct | Sale at $29.68 per share. | $970,714 |
| 26-May-09 | CHRISTENSEN DAVID A Director | 25,477 | Direct | Sale at $30.60 per share. | $779,596 |
| 22-May-09 | BAIR DAVID R Officer | 6,300 | Direct | Option Exercise at $22 per share. | $138,600 |
| 22-May-09 | BAIR DAVID R Officer | 477 | Direct | Sale at $29.31 per share. | $13,980 |
| 22-May-09 | BAIR DAVID R Officer | 5,070 | Direct | Disposition (Non Open Market) at $28.02 per share. | $142,061 |
| 5-May-09 | RYKHUS DANIEL A Officer | 7,500 | Direct | Option Exercise at $22 per share. | $165,000 |
| 5-May-09 | RYKHUS DANIEL A Officer | 6,466 | Direct | Disposition (Non Open Market) at $26 per share. | $168,116 |
| 5-May-09 | MOQUIST RONALD M Officer | 16,000 | Direct | Option Exercise at $22 per share. | $352,000 |
| 5-May-09 | MOQUIST RONALD M Officer | 14,004 | Direct | Disposition (Non Open Market) at $26 per share. | $364,104 |
| 5-May-09 | IACARELLA THOMAS Officer | 8,000 | Direct | Option Exercise at $22 per share. | $176,000 |
| 5-May-09 | IACARELLA THOMAS Officer | 6,910 | Direct | Disposition (Non Open Market) at $26 per share. | $179,660 |
| 5-May-09 | OHME BARBARA K Officer | 4,000 | Direct | Option Exercise at $22 per share. | $88,000 |
| 5-May-09 | OHME BARBARA K Officer | 3,384 | Direct | Disposition (Non Open Market) at $26 per share. | $87,984 |
| 29-Apr-09 | CHRISTENSEN DAVID A Director | 652 | Indirect | Disposition (Non Open Market) at $0 per share. | N/A |
| 29-Apr-09 | CHRISTENSEN DAVID A Director | 1,347 | Direct | Disposition (Non Open Market) at $0 per share. | N/A |
| 1-Apr-09 | CHRISTENSEN DAVID A Director | 94,000 | Indirect | Disposition (Non Open Market) at $0 per share. | N/A |
| 1-Apr-09 | CHRISTENSEN DAVID A Director | 94,000 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A |
| 5-Jan-09 | CHRISTENSEN DAVID A Director | 2,055 | Indirect | Disposition (Non Open Market) at $0 per share. | N/A |
| 2-Jan-09 | CHRISTENSEN DAVID A Director | 3,252 | Indirect | Disposition (Non Open Market) at $0 per share. | N/A |
| 2-Jan-09 | CHRISTENSEN DAVID A Director | 3,252 | Direct | Disposition (Non Open Market) at $0 per share. | N/A |
| 5-Dec-08 | MOQUIST RONALD M Officer | 1,455 | Direct | Disposition (Non Open Market) at $24.51 per share. | $35,662 |
| 5-Dec-08 | MOQUIST RONALD M Officer | 5,500 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A |
| 21-Nov-08 | MILLIGAN CYNTHIA Director | 1,000 | Direct | Purchase at $21.94 per share. | $21,940 |
| 21-Nov-08 | MILLIGAN CYNTHIA Director | 172 | Direct | Acquisition (Non Open Market) | N/A |
| 21-Nov-08 | BOUR ANTHONY W Director | 3,305 | Direct | Purchase at $21.73 per share. | $71,817 |
| 21-Nov-08 | BOUR ANTHONY W Director | 421 | Direct | Acquisition (Non Open Market) | N/A |
| 16-Sep-08 | WEST MARK L Officer | 6,000 | Direct | Option Exercise at $13.50 per share. | $81,000 |
| 16-Sep-08 | WEST MARK L Officer | 1,883 | Direct | Disposition (Non Open Market) at $43.01 per share. | $80,987 |
| 11-Sep-08 | IACARELLA THOMAS Officer | 7,406 | Direct | Option Exercise at $13.50 per share. | $99,981 |
| 11-Sep-08 | IACARELLA THOMAS Officer | 1,600 | Direct | Sale at $40.60 per share. | $64,960 |
| 11-Sep-08 | IACARELLA THOMAS Officer | 2,840 | Direct | Disposition (Non Open Market) at $0 - $40.97 per share. | N/A |
| 9-Sep-08 | CHRISTENSEN DAVID A Director | 32,015 | Indirect | Disposition (Non Open Market) at $0 per share. | N/A |
| 9-Sep-08 | CHRISTENSEN DAVID A Director | 32,015 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A |
| 28-Aug-08 | GRONINGER JAMES D Officer | 4,545 | Direct | Option Exercise at $22 per share. | $99,990 |
| 28-Aug-08 | GRONINGER JAMES D Officer | 1,000 | Direct | Sale at $43.87 - $44.04 per share. | $44,0002 |
| 28-Aug-08 | GRONINGER JAMES D Officer | 2,250 | Direct | Disposition (Non Open Market) at $44.43 per share. | $99,967 |
| 28-Aug-08 | CHRISTENSEN DAVID A Director | 50,000 | Direct | Sale at $43.92 - $44.25 per share. | $2,204,0002 |
| 22-Aug-08 | GRONINGER JAMES D Officer | 2,255 | Direct | Option Exercise at $22 per share. | $49,610 |
| 22-Aug-08 | GRONINGER JAMES D Officer | 1,480 | Direct | Disposition (Non Open Market) at $41.29 per share. | $61,109 |
| 28-Jul-08 | CHRISTENSEN DAVID A Director | 333 | Indirect | Disposition (Non Open Market) at $0 per share. | N/A |
| 28-Jul-08 | CHRISTENSEN DAVID A Director | 333 | Direct | Disposition (Non Open Market) at $0 per share. | N/A |
| 22-Jul-08 | CHRISTENSEN DAVID A Director | 532 | Direct | Disposition (Non Open Market) at $0 per share. | N/A |
| 17-Jul-08 | OHME BARBARA K Officer | 100 | Direct | Disposition (Non Open Market) at $0 per share. | N/A |
| 17-Jun-08 | CHRISTENSEN DAVID A Director | 100,956 | Indirect | Disposition (Non Open Market) at $0 per share. | N/A |
| 17-Jun-08 | CHRISTENSEN DAVID A Director | 100,956 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A |
| 17-Jun-08 | IACARELLA THOMAS Officer | 5,594 | Direct | Option Exercise at $13.50 per share. | $75,519 |
| 17-Jun-08 | IACARELLA THOMAS Officer | 2,968 | Direct | Disposition (Non Open Market) at $37.33 per share. | $110,795 |
| 29-May-08 | RYKHUS DANIEL A Officer | 11,000 | Direct | Option Exercise at $13.50 per share. | $148,500 |
| 29-May-08 | RYKHUS DANIEL A Officer | 1,800 | Direct | Sale at $38.41 - $38.59 per share. | $69,0002 |
| 29-May-08 | RYKHUS DANIEL A Officer | 4,547 | Direct | Disposition (Non Open Market) at $37.72 per share. | $171,512 |
| 28-May-08 | OHME BARBARA K Officer | 5,000 | Direct | Option Exercise at $13.50 per share. | $67,500 |
| 28-May-08 | OHME BARBARA K Officer | 1,824 | Direct | Disposition (Non Open Market) at $37 per share. | $67,488 |
| 22-May-08 | MOQUIST RONALD M Officer | 7,406 | Direct | Option Exercise at $13.50 per share. | $99,981 |
| 22-May-08 | MOQUIST RONALD M Officer | 2,727 | Direct | Disposition (Non Open Market) at $36.65 per share. | $99,944 |
| 22-May-08 | CHRISTENSEN DAVID A Director | 21,260 | Direct | Sale at $36.75 per share. | $781,305 |
| 21-May-08 | CHRISTENSEN DAVID A Director | 21,405 | Direct | Sale at $36.80 per share. | $787,703 |
| 19-May-08 | CHRISTENSEN DAVID A Director | 437 | Indirect | Disposition (Non Open Market) at $0 per share. | N/A |
| 14-Apr-08 | CHRISTENSEN DAVID A Director | 650 | Indirect | Disposition (Non Open Market) at $0 per share. | N/A |
| 14-Apr-08 | CHRISTENSEN DAVID A Director | 250 | Direct | Disposition (Non Open Market) at $0 per share. | N/A |
| 18-Mar-08 | BAIR DAVID R Officer | 10,000 | Direct | Option Exercise at $13.50 per share. | $135,000 |
| 18-Mar-08 | BAIR DAVID R Officer | 3,500 | Direct | Sale at $29.22 per share. | $102,270 |
| 18-Mar-08 | BAIR DAVID R Officer | 5,189 | Direct | Disposition (Non Open Market) at $28.46 per share. | $147,678 |
| 29-Feb-08 | CHRISTENSEN DAVID A Director | 540 | Indirect | Disposition (Non Open Market) at $0 per share. | N/A |
| 29-Feb-08 | CHRISTENSEN DAVID A Director | 400 | Direct | Disposition (Non Open Market) at $0 per share. | N/A |
| 18-Jan-08 | HOIGAARD CONRAD J Director | 12,500 | Direct | Sale at $31.35 per share. | $391,875 |
| 17-Jan-08 | CHRISTENSEN DAVID A Director | 7,396 | Direct | Sale at $33.84 per share. | $250,280 |
| 16-Jan-08 | HOIGAARD CONRAD J Director | 12,500 | Direct | Sale at $34.64 per share. | $433,000 |
| 4-Jan-08 | CHRISTENSEN DAVID A Director | 2,076 | Indirect | Disposition (Non Open Market) at $0 per share. | N/A |
| 4-Jan-08 | CHRISTENSEN DAVID A Director | 2,076 | Direct | Disposition (Non Open Market) at $0 per share. | N/A |
| 19-Dec-07 | MOQUIST RONALD M Officer | 16,594 | Direct | Option Exercise at $13.50 per share. | $224,019 |
| 19-Dec-07 | MOQUIST RONALD M Officer | 9,065 | Direct | Disposition (Non Open Market) at $35.24 per share. | $319,450 |
| 10-Dec-07 | RYKHUS DANIEL A Officer | 1,000 | Direct | Option Exercise at $13.50 per share. | $13,500 |
| 10-Dec-07 | RYKHUS DANIEL A Officer | 537 | Direct | Disposition (Non Open Market) at $36.50 per share. | $19,600 |