| Date | Insider | Shares | Type | Transaction | Value* |
| 17-Nov-09 | THOMAS WILLIAM R III Officer | 10,000 | Indirect | Sale at $76.69 per share. | $766,900 |
| 13-Nov-09 | THOMAS WILLIAM R III Officer | 18 | Direct | Disposition (Non Open Market) at $76.93 per share. | $1,384 |
| 12-Nov-09 | THOMAS WILLIAM R III Officer | 1,475 | Direct | Disposition (Non Open Market) at $77.36 per share. | $114,106 |
| 23-Sep-09 | HENDERSON GRAEME W Director | 1,000 | Direct | Purchase at $78.93 per share. | $78,930 |
| 18-Sep-09 | HENDERSON GRAEME W Director | 10 | Direct | Purchase at $77 per share. | $770 |
| 17-Sep-09 | HENDERSON GRAEME W Director | 490 | Direct | Purchase at $77 per share. | $37,730 |
| 15-Sep-09 | PETERSON JEFFREY G Officer | 150 | Direct | Purchase at $77.19 per share. | $11,578 |
| 1-Sep-09 | HENDERSON GRAEME W Director | 500 | Direct | Purchase at $75 per share. | $37,500 |
| 27-Aug-09 | THOMAS WILLIAM R III Officer | 200 | Direct | Disposition (Non Open Market) at $78.23 per share. | $15,646 |
| 19-Aug-09 | HENDERSON GRAEME W Director | 500 | Direct | Purchase at $75 per share. | $37,500 |
| 8-Jun-09 | THOMAS WILLIAM R III Officer | 9,390 | Direct | Sale at $72.13 per share. | $677,300 |
| 5-Jun-09 | THOMAS WILLIAM R III Officer | 1,610 | Direct | Sale at $72.03 per share. | $115,968 |
| 4-Jun-09 | THOMAS WILLIAM R III Officer | 400 | Direct | Sale at $73 per share. | $29,200 |
| 2-Jun-09 | THOMAS WILLIAM R III Officer | 7,600 | Direct | Sale at $73.96 per share. | $562,096 |
| 6-May-09 | PETERSON JEFFREY G Officer | 200 | Direct | Purchase at $70 per share. | $14,000 |
| 9-Mar-09 | BURTON DONALD W Director | 8,459 | Indirect | Acquisition (Non Open Market) at $55.22 per share. | $467,105 |
| 6-Mar-09 | BURTON DONALD W Director | 1,340 | Indirect | Acquisition (Non Open Market) at $58 per share. | $77,720 |
| 5-Mar-09 | BURTON DONALD W Director | 2,625 | Indirect | Acquisition (Non Open Market) at $57.93 per share. | $152,066 |
| 20-Feb-09 | THOMAS WILLIAM R III Officer | 522 | Indirect | Acquisition (Non Open Market) at $70.72 per share. | $36,915 |
| 20-Feb-09 | THOMAS WILLIAM R III Officer | 522 | Direct | Disposition (Non Open Market) at $70.72 per share. | $36,915 |
| 18-Dec-08 | THOMAS WILLIAM R III Officer | 577 | Indirect | Acquisition (Non Open Market) at $107.28 per share. | $61,900 |
| 18-Dec-08 | THOMAS WILLIAM R III Officer | 577 | Direct | Disposition (Non Open Market) at $107.28 per share. | $61,900 |
| 10-Dec-08 | THOMAS WILLIAM R III Officer | 2,500 | Direct | Disposition (Non Open Market) at $99 per share. | $247,500 |
| 8-Dec-08 | THOMAS WILLIAM R III Officer | 1,500 | Direct | Disposition (Non Open Market) at $95.74 per share. | $143,610 |
| 3-Dec-08 | THOMAS WILLIAM R III Officer | 132 | Indirect | Acquisition (Non Open Market) at $104.99 per share. | $13,858 |
| 3-Dec-08 | ASHBAUGH WILLIAM M Officer | 211 | Indirect | Acquisition (Non Open Market) at $104.99 per share. | $22,152 |
| 3-Dec-08 | PETERSON JEFFREY G Officer | 210 | Indirect | Acquisition (Non Open Market) at $104.99 per share. | $22,047 |
| 3-Dec-08 | MARTIN GARY L Officer | 235 | Indirect | Acquisition (Non Open Market) at $104.99 per share. | $24,672 |
| 3-Dec-08 | BURTON DONALD W Director | 90,000 | Indirect | Acquisition (Non Open Market) at $76.50 per share. | $6,885,000 |
| 2-Dec-08 | BURTON DONALD W Director | 1,008 | Indirect | Acquisition (Non Open Market) at $69.79 per share. | $70,348 |
| 26-Nov-08 | MARTIN GARY L Officer | 1,000 | Direct | Purchase at $73 per share. | $73,000 |
| 12-Nov-08 | THOMAS WILLIAM R III Officer | 206,525 | Indirect | Acquisition (Non Open Market) at $0 per share. | N/A |
| 23-Jun-08 | THOMAS WILLIAM R III Other | 157 | Indirect | Purchase at $115.03 per share. | $18,059 |
| 20-Jun-08 | THOMAS WILLIAM R III Other | 43 | Indirect | Purchase at $115.24 per share. | $4,955 |
| 20-Jun-08 | MARTIN GARY L Officer | 1,000 | Direct | Purchase at $115.13 per share. | $115,130 |
| 6-Jun-08 | ASHBAUGH WILLIAM M Officer | 500 | Direct | Purchase at $117.50 - $118 per share. | $59,0002 |
| 6-Mar-08 | BURTON DONALD W Director | 1,000 | Indirect | Acquisition (Non Open Market) at $100 per share. | $100,000 |
| 5-Mar-08 | HENDERSON GRAEME W Director | 1,000 | Direct | Purchase at $103.50 per share. | $103,500 |
| 3-Mar-08 | BURTON DONALD W Director | 3,000 | Indirect | Acquisition (Non Open Market) at $109 per share. | $327,000 |
| 29-Feb-08 | HENDERSON GRAEME W Director | 1,100 | Direct | Purchase at $115 per share. | $126,500 |
| 29-Feb-08 | BURTON DONALD W Director | 1,000 | Indirect | Acquisition (Non Open Market) at $111 per share. | $111,000 |
| 14-Feb-08 | THOMAS WILLIAM R III Other | 200 | Indirect | Purchase at $115 per share. | $23,000 |
| 2-Jan-08 | BURTON DONALD W Director | 5,800 | Indirect | Acquisition (Non Open Market) at $115 per share. | $667,000 |
| 31-Dec-07 | BURTON DONALD W Director | 900 | Indirect | Acquisition (Non Open Market) at $115 per share. | $103,500 |
| 11-Dec-07 | HENDERSON GRAEME W Director | 100 | Direct | Disposition (Non Open Market) at $126.33 per share. | $12,633 |