EXHIBIT 99.1 RECLASSIFIED HISTORICAL INCOME STATEMENTS BY YEAR MICROSOFT CORPORATION RECLASSIFIED INCOME STATEMENTS (In millions) (Unaudited) - -------------------------------------------------------------------------------- Fiscal year Fiscal year Fiscal year to date 1997 1998 1999 Reported Reclassified Reported Reclassified Reported Reclassified -------------------------------------------------------------------------- Revenue $11,358 $11,936 $14,484 $15,262 $13,222 $13,983 Operating expenses: Cost of revenue 1,085 2,170 1,197 2,460 1,090 2,145 Research and development 1,925 1,863 2,502 2,601 1,889 2,030 Acquired in-process technology 0 0 296 296 0 0 Sales and marketing 2,856 2,411 3,412 2,828 2,766 2,331 General and administrative 362 362 433 433 392 392 Other expenses 259 259 230 230 60 60 ------ ------ ------ ------ ------ ------ Total operating expenses 6,487 7,065 8,070 8,848 6,197 6,958 ------ ------ ------ ------ ------ ------ Operating income 4,871 4,871 6,414 6,414 7,025 7,025 Investment income 443 443 703 703 1,318 1,318 Gain on sale 0 0 0 0 160 160 ------ ------ ------ ------ ------ ------ Income before income taxes 5,314 5,314 7,117 7,117 8,503 8,503 Provision for income taxes 1,860 1,860 2,627 2,627 2,920 2,920 ------ ------ ------ ------ ------ ------ Net income $3,454 $3,454 $4,490 $4,490 $5,583 $5,583 ====== ====== ====== ====== ====== ====== Earnings per share: Basic $ 0.72 $ 0.72 $ 0.92 $ 0.92 $ 1.11 $ 1.11 ====== ====== ====== ====== ====== ===== Diluted $ 0.66 $ 0.66 $ 0.84 $ 0.84 $ 1.02 $ 1.02 ====== ====== ====== ====== ====== ======