0001181431-06-053226 4 1 20060914 20060915 20060915 MASTERCARD INC 0001141391 7389 134172551 DE 1231 2000 PURCHASE STREET PURCHASE NY 10577 9142492000 2000 PURCHASE STREET PURCHASE NY 10577 Freiberg Steven J 0001338913 4 34 001-32877 061093636 2127937167 C/O CITIGROUP INC. CORPORATE LAW DEPT. 425 PARK AVENUE 2ND FLOOR NEW YORK NY 10043 4 1 rrd130344.xml FORM 4 FOR STEVEN J FREIBERG SEPTEMBER 14, 2006