INTERNATIONAL BUSINESS MACHINES CORP | 2013 | FY | 3


201320122011
Weighted-Number ofWeighted-Number ofWeighted-Number of
AverageSharesAverageSharesAverageShares
Exercise PriceUnder Option Exercise PriceUnder OptionExercise PriceUnder Option
Balance at January 1$ 94 11,389,721$ 90 20,662,322$ 94 39,197,728
Options exercised 90 (5,585,127) 86 (9,080,170) 98 (18,144,309)
Options canceled/expired 86 (181,643) 75 (192,431) 107 (391,097)
Balance at December 31$ 97 5,622,951$ 94 11,389,721$ 90 20,662,322
Exercisable at December 31$ 97 5,622,951$ 94 11,389,721$ 90 20,662,322

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