X0304 4 2011-09-13 0 0001468174 Hyatt Hotels Corp H 0001331983 HOPLAMAZIAN MARK SAMUEL C/O HYATT HOTELS CORPORATION 71 S. WACKER DRIVE, 12TH FLOOR CHICAGO IL 60606 1 1 0 0 President & CEO Class A Common Stock 2011-09-13 4 P 0 45000 31.84 A 217237 D The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $31.14 to $32.00, inclusive. The reporting person undertakes to provide to Hyatt Hotels Corporation, any security holder of Hyatt Hotels Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in footnote (1) to this Form 4. /s/ Mark S. Hoplamazian 2011-09-13