0001193125-06-118599 S-1/A 1 20060524 20060524 MASTERCARD INC 0001141391 7389 134172551 DE 1231 S-1/A 33 333-128337 06863550 2000 PURCHASE STREET PURCHASE NY 10577 9142492000 2000 PURCHASE STREET PURCHASE NY 10577 S-1/A 1 ds1a.htm AMENDMENT NO. 9 TO FORM S-1