0001181431-06-033969 4 2 20060531 20060531 20060531 MASTERCARD INC 0001141391 7389 134172551 DE 1231 2000 PURCHASE STREET PURCHASE NY 10577 9142492000 2000 PURCHASE STREET PURCHASE NY 10577 Dunbar Webster Roy 0001305807 4 34 000-50250 06877747 972-605-5472 5400 LEGACY DRIVE PLANO TX 75024 4 1 rrd119986.xml DSP MAY 31 2006 EX-24. 2 rrd104885_117754.htm POWER OF ATTORNEY FOR ROY WEBSTER DUNBAR