| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 | 
   | Officer, Director | $128.00 | 9,300 | $1,190,400.00 | 0 | 2011-02-14 | Filing | 
  | Officer, Director | $127.26 | 4,664 | $593,540.64 | 0 | 2011-02-11 | Filing | 
  | Officer | $126.99 | 8,550 | $1,085,764.50 | 0 | 2011-02-14 | Filing | 
  | Director | $126.08 | 3,000 | $378,240.00 | 16,488 | 2011-02-11 | Filing | 
  | Director | $124.69 | 1,432 | $178,556.08 | 4,556 | 2011-02-10 | Filing | 
  | Officer, Director | $126.77 | 42,213 | $5,351,342.01 | 171,127 | 2011-02-14 | Filing | 
  | Officer | $111.45 | 338 | $37,670.10 | 0 | 2010-12-15 | Filing | 
  | Officer | $111.45 | 389 | $43,354.05 | 0 | 2010-12-15 | Filing | 
  | Officer, Director | $111.45 | 1,825 | $203,396.25 | 0 | 2010-12-15 | Filing | 
  | Officer, Director | $111.67 | 16,646 | $1,858,858.82 | 170,971 | 2010-12-15 | Filing | 
  | Large Shareholder, Officer, Director | $112.48 | 23,000 | $2,587,040.00 | 619,014 | 2010-12-14 | Filing | 
  | Large Shareholder, Officer, Director | $111.85 | 56,607 | $6,331,492.95 | 642,014 | 2010-12-14 | Filing | 
  | Large Shareholder, Officer, Director | $113.72 | 17,449 | $1,984,300.28 | 619,014 | 2010-12-13 | Filing | 
  | Large Shareholder, Officer, Director | $113.27 | 140,636 | $15,929,839.72 | 636,463 | 2010-12-13 | Filing | 
  | Large Shareholder, Officer, Director | $112.27 | 87,843 | $9,862,133.61 | 777,099 | 2010-12-13 | Filing | 
  | Large Shareholder, Officer, Director | $112.95 | 70,300 | $7,940,385.00 | 619,014 | 2010-12-10 | Filing | 
  | Officer, Director | $112.95 | 7,877 | $889,707.15 | 1,825 | 2010-12-02 | Filing | 
  | Officer | $109.42 | 8,100 | $886,302.00 | 389 | 2010-11-24 | Filing | 
  | Officer | $108.46 | 12,825 | $1,390,999.50 | 8,489 | 2010-11-24 | Filing | 
  | Officer | $108.00 | 300 | $32,400.00 | 389 | 2010-11-22 | Filing |