Sale 
    LEVY ALAN J  director  director 
  Common Stock   5,000  $257.45    $1,287,265     Option 
    GROSSMAN D KEITH  director  director 
  Common Stock   2,500  $113.06    $282,650     Sale 
    GROSSMAN D KEITH  director  director 
  Common Stock   2,500  $256.18    $640,460     Sale 
    MOHR MARSHALL  officer: Executive VP & CFO  officer: Executive VP & CFO 
  Common Stock   670  $98.37    $65,908     Option 
    MOHR MARSHALL  officer: Executive VP & CFO  officer: Executive VP & CFO 
  Non-Qualified Stock Option (right to buy)   670  $98.37    $65,908     Option 
    MCNAMARA JEROME J  officer: Sr Advisor - Commercial Ops  officer: Sr Advisor - Commercia.. 
  Non-Qualified Stock Option (right to buy)   10,000  $107.27    $1,072,700     Option 
    MCNAMARA JEROME J  officer: Sr Advisor - Commercial Ops  officer: Sr Advisor - Commercia.. 
  Common Stock   5,000  $107.27    $536,350     Sale 
    MCNAMARA JEROME J  officer: Sr Advisor - Commercial Ops  officer: Sr Advisor - Commercia.. 
  Common Stock   9,703  $259.41    $2,517,094     Option 
    MOHR MARSHALL  officer: Executive VP & CFO  officer: Executive VP & CFO 
  Common Stock   670  $98.37    $65,908     Option 
    SMITH LONNIE M  director  director 
  Non-Qualified Stock Option (right to buy)   14,794  $11.74    $173,682     Sale 
    SMITH LONNIE M  director  director 
  Common Stock   14,794  $260.63    $3,855,716     Option 
    SMITH LONNIE M  director  director 
  Common Stock   14,794  $11.74    $173,682     Sale 
    MCNAMARA JEROME J  officer: Sr Advisor - Commercial Ops  officer: Sr Advisor - Commercia.. 
  Common Stock   750  $47.86    $35,895     Option 
    MCNAMARA JEROME J  officer: Sr Advisor - Commercial Ops  officer: Sr Advisor - Commercia.. 
  Non-Qualified Stock Option (right to buy)   6,000  $165.29    $991,722     Option 
    MCNAMARA JEROME J  officer: Sr Advisor - Commercial Ops  officer: Sr Advisor - Commercia.. 
  Common Stock   6,000  $165.29    $991,722     Sale 
    MCNAMARA JEROME J  officer: Sr Advisor - Commercial Ops  officer: Sr Advisor - Commercia.. 
  Common Stock   5,000  $220.58    $1,102,900     Option 
    MCNAMARA JEROME J  officer: Sr Advisor - Commercial Ops  officer: Sr Advisor - Commercia.. 
  Common Stock   8,000  $134.22    $1,073,760     Option 
    MCNAMARA JEROME J  officer: Sr Advisor - Commercial Ops  officer: Sr Advisor - Commercia.. 
  Non-Qualified Stock Option (right to buy)   8,000  $134.22    $1,073,760     Option 
    HALVORSON ERIC H  director  director 
  Non-Qualified Stock Option (right to buy)   3,500  $133.31    $466,585     Option 
    SMITH LONNIE M  director  director 
  Non-Qualified Stock Option (right to buy)   15,000  $11.74    $176,100     Option 
    MOHR MARSHALL  officer: Executive VP & CFO  officer: Executive VP & CFO 
  Non-Qualified Stock Option (right to buy)   3,500  $98.37    $344,295     Sale 
    HALVORSON ERIC H  director  director 
  Common Stock   3,500  $217.43    $760,991     Option 
    SMITH LONNIE M  director  director 
  Common Stock   15,000  $11.74    $176,100     Sale 
    MOHR MARSHALL  officer: Executive VP & CFO  officer: Executive VP & CFO 
  Common Stock   3,500  $98.37    $344,295     Sale 
    SMITH LONNIE M  director  director 
  Common Stock   15,000  $217.53    $3,262,950     Option 
    HALVORSON ERIC H  director  director 
  Common Stock   3,500  $133.31    $466,585     Option 
    MOHR MARSHALL  officer: Executive VP & CFO  officer: Executive VP & CFO 
  Common Stock   3,500  $98.37    $344,295     Option 
    KRAMER RICHARD J  director  director 
  Non-Qualified Stock Option (right to buy)   1,250  $133.31    $166,638     Option 
    KRAMER RICHARD J  director  director 
  Common Stock   1,250  $133.31    $166,638     Sale 
    KRAMER RICHARD J  director  director 
  Common Stock   250  $133.31    $33,328     Option 
    KRAMER RICHARD J  director  director 
  Non-Qualified Stock Option (right to buy)   500  $133.31    $66,655     Option 
    KRAMER RICHARD J  director  director 
  Common Stock   500  $133.31    $66,655     Sale 
    KRAMER RICHARD J  director  director 
  Common Stock   500  $168.23    $84,113     Option 
    KRAMER RICHARD J  director  director 
  Common Stock   1,000  $133.31    $133,310     Sale 
    KRAMER RICHARD J  director  director 
  Common Stock   1,000  $133.31    $133,310     Option 
    KRAMER RICHARD J  director  director 
  Non-Qualified Stock Option (right to buy)   1,000  $133.31    $133,310     Option 
    KRAMER RICHARD J  director  director 
  Common Stock   1,000  $133.31    $133,310     Sale 
    KRAMER RICHARD J  director  director 
  Common Stock   1,000  $133.31    $133,310     Option 
    KRAMER RICHARD J  director  director 
  Non-Qualified Stock Option (right to buy)   1,000  $133.31    $133,310     Sale 
    KRAMER RICHARD J  director  director 
  Common Stock   1,000  $133.31    $133,310     Option 
    KRAMER RICHARD J  director  director 
  Non-Qualified Stock Option (right to buy)   1,000  $133.31    $133,310     Option 
    KRAMER RICHARD J  director  director 
  Common Stock   1,000  $133.31    $133,310     Sale 
    KRAMER RICHARD J  director  director 
  Common Stock   1,800  $123.54    $222,379     Option 
    KRAMER RICHARD J  director  director 
  Non-Qualified Stock Option (right to buy)   2,000  $113.06    $226,120     Option 
    KRAMER RICHARD J  director  director 
  Common Stock   4,000  $118.62    $474,480     Sale 
    DUGGAN ROBERT W  director  director 
  Common Stock   50  $97    $4,850     Sale 
    DUGGAN ROBERT W  director  director 
  Common Stock   50  $103    $5,150     Option 
    SMITH LONNIE M  director  director 
  Common Stock   14,706  $14.5    $213,237     Option 
    SMITH LONNIE M  director  director 
  Incentive Stock Option (right to buy)   14,706  $14.5    $213,237     Option 
    GUTHART GARY S  director, officer: President & CEO  director, officer: President & .. 
  Incentive Stock Option (right to buy)   5,000  $6    $30,000