Microsoft Corporation
EIN: 91-1144442
Date of Action: June 1, 2020
Attachment to Internal Revenue Service Form 8937
The information contained herein is being provided pursuant to the requirements of
Section 6045B of the Internal Revenue Code of 1986, as amended (the Code ). This attachment includes a general summary regarding certain U.S. federal income tax laws and regulations relating to the effects of the Exchange (as defined below) on the tax basis of certain notes of
Microsoft Corporation ( Microsoft ) received in the Exchange. The information herein does not constitute tax advice. Note holders should consult their own tax advisors regarding the U.S.
federal income tax consequences of the exchanges described herein and the tax basis resulting from the exchanges.
Form 8937 Part I, Box 10:
CUSIP Numbers of Pool 1 Notes
CUSIP Number of New 2050 Notes
4.875% Notes due 2043
CUSIP: 594918AX2
5.300% Notes due 2041
CUSIP: 594918AM6
4.450% Notes due 2045
CUSIP: 594918BL7
4.250% Notes due 2047
CUSIP: 594918CA0
5.200% Notes due 2039
2.525% Notes due 2050
CUSIP: 594918AD6
CUSIP: 594918CC6
4.500% Notes due 2040
CUSIP: 594918AJ3
3.750% Notes due 2043
CUSIP: 594918AU8
3.750% Notes due 2045
CUSIP: 594918BD5
4.100% Notes due 2037
CUSIP: 594918BZ6
CUSIP Numbers of Pool 2 Notes
CUSIP Number of New 2060 Notes
4.750% Notes due 2055
CUSIP: 594918BM5
4.000% Notes due 2055
CUSIP: 594918BE3
