Sale 
    BROGNA SALVATORE  officer: EVP & Chief Operating Officer  officer: EVP & Chief Operating .. 
  Common Stock   400  $355.18    $142,071     Option 
    BROGNA SALVATORE  officer: EVP & Chief Operating Officer  officer: EVP & Chief Operating .. 
  Common Stock   3,750  $107.27    $402,263     Option 
    SMITH LONNIE M  director  director 
  Non-Qualified Stock Option (right to buy)   15,000  $185.43    $2,781,480     Sale 
    BROGNA SALVATORE  officer: EVP & Chief Operating Officer  officer: EVP & Chief Operating .. 
  Common Stock   3,750  $107.27    $402,263     Option 
    BROGNA SALVATORE  officer: EVP & Chief Operating Officer  officer: EVP & Chief Operating .. 
  Non-Qualified Stock Option (right to buy)   3,750  $107.27    $402,263     Sale 
    SMITH LONNIE M  director  director 
  Common Stock   10,000  $18.5    $185,000     Option 
    SMITH LONNIE M  director  director 
  Common Stock   15,000  $185.43    $2,781,480     Option 
    LOOP FLOYD D MD  director  director 
  Non-Qualified Stock Option (right to buy)   5,000  $72.44    $362,200     Option 
    LOOP FLOYD D MD  director  director 
  Common Stock   5,000  $72.44    $362,200     Sale 
    LOOP FLOYD D MD  director  director 
  Common Stock   5,000  $72.44    $362,200     Option 
    STALK GEORGE JR  director  director 
  Non-Qualified Stock Option (right to buy)   4,250  $135.39    $575,408     Option 
    STALK GEORGE JR  director  director 
  Common Stock   7,584  $202.37    $1,534,736     Sale 
    STALK GEORGE JR  director  director 
  Common Stock   7,584  $332.37    $2,520,686     Option 
    RUBASH MARK J  director  director 
  Non-Qualified Stock Option (right to buy)   9,250  $202.37    $1,871,876     Sale 
    RUBASH MARK J  director  director 
  Common Stock   5,000  $343.07    $1,715,340     Option 
    RUBASH MARK J  director  director 
  Common Stock   9,250  $202.37    $1,871,876     Option 
    MELTZER MARK J  officer: SVP General Counsel & CCO  officer: SVP General Counsel & .. 
  Non-Qualified Stock Option (right to buy)   4,000  $107.27    $429,080     Option 
    MELTZER MARK J  officer: SVP General Counsel & CCO  officer: SVP General Counsel & .. 
  Common Stock   1,000  $107.27    $107,270     Sale 
    MELTZER MARK J  officer: SVP General Counsel & CCO  officer: SVP General Counsel & .. 
  Common Stock   1,600  $264.45    $423,112     Option 
    MELTZER MARK J  officer: SVP General Counsel & CCO  officer: SVP General Counsel & .. 
  Common Stock   1,375  $107.27    $147,496     Option 
    MOHR MARSHALL  officer: Executive VP & CFO  officer: Executive VP & CFO 
  Non-Qualified Stock Option (right to buy)   5,000  $98.37    $491,850     Option 
    MELTZER MARK J  officer: SVP General Counsel & CCO  officer: SVP General Counsel & .. 
  Non-Qualified Stock Option (right to buy)   1,375  $107.27    $147,496     Sale 
    MOHR MARSHALL  officer: Executive VP & CFO  officer: Executive VP & CFO 
  Common Stock   5,000  $335.32    $1,676,580     Sale 
    MELTZER MARK J  officer: SVP General Counsel & CCO  officer: SVP General Counsel & .. 
  Common Stock   1,375  $107.27    $147,496     Option 
    MOHR MARSHALL  officer: Executive VP & CFO  officer: Executive VP & CFO 
  Common Stock   5,000  $98.37    $491,850     Option 
    DUGGAN ROBERT W  director  director 
  Non-Qualified Stock Option (right to buy)   2,500  $47.09    $117,725     Sale 
    DUGGAN ROBERT W  director  director 
  Common Stock   5,900  $335.58    $1,979,922     Option 
    DUGGAN ROBERT W  director  director 
  Common Stock   2,500  $47.09    $117,725     Sale 
    DUGGAN ROBERT W  director  director 
  Common Stock   2,000  $336.94    $673,888     Option 
    DUGGAN ROBERT W  director  director 
  Non-Qualified Stock Option (right to buy)   2,000  $47.09    $94,180     Option 
    DUGGAN ROBERT W  director  director 
  Common Stock   2,000  $47.09    $94,180     Option 
    DUGGAN ROBERT W  director  director 
  Common Stock   9,250  $178.84    $1,654,224     Sale 
    DUGGAN ROBERT W  director  director 
  Common Stock   9,351  $331.28    $3,097,809     Option 
    DUGGAN ROBERT W  director  director 
  Non-Qualified Stock Option (right to buy)   8,900  $127.95    $1,138,728     Sale 
    DUGGAN ROBERT W  director  director 
  Common Stock   46,602  $329.8    $15,369,479     Option 
    MOHR MARSHALL  officer: Executive VP & CFO  officer: Executive VP & CFO 
  Non-Qualified Stock Option (right to buy)   1,702  $98.37    $167,426     Option 
    MOHR MARSHALL  officer: Executive VP & CFO  officer: Executive VP & CFO 
  Common Stock   1,702  $98.37    $167,426     Sale 
    MOHR MARSHALL  officer: Executive VP & CFO  officer: Executive VP & CFO 
  Common Stock   1,702  $335.11    $570,361     Sale 
    HALVORSON ERIC H  director  director 
  Common Stock   1,250  $336.7    $420,876     Option 
    LEVY ALAN J  director  director 
  Common Stock   5,000  $133.31    $666,550     Option 
    SMITH LONNIE M  director  director 
  Non-Qualified Stock Option (right to buy)   15,000  $18.5    $277,500     Option 
    HALVORSON ERIC H  director  director 
  Non-Qualified Stock Option (right to buy)   1,250  $135.39    $169,237     Option 
    LEVY ALAN J  director  director 
  Non-Qualified Stock Option (right to buy)   5,000  $133.31    $666,550     Sale 
    SMITH LONNIE M  director  director 
  Common Stock   15,000  $336.15    $5,042,280     Option 
    SMITH LONNIE M  director  director 
  Common Stock   15,000  $18.5    $277,500     Option 
    HALVORSON ERIC H  director  director 
  Common Stock   1,250  $135.39    $169,237     Sale 
    LEVY ALAN J  director  director 
  Common Stock   5,000  $335.82    $1,679,105     Option 
    MELTZER MARK J  officer: SVP General Counsel & CCO  officer: SVP General Counsel & .. 
  Common Stock   1,500  $107.27    $160,905     Sale 
    MCNAMARA JEROME J  officer: Sr Advisor - Commercial Ops  officer: Sr Advisor - Commercia.. 
  Common Stock   3,125  $335    $1,046,875     Option 
    MCNAMARA JEROME J  officer: Sr Advisor - Commercial Ops  officer: Sr Advisor - Commercia.. 
  Non-Qualified Stock Option (right to buy)   9,375  $221.14    $2,073,141