X0304 4 2012-03-13 1 0001468174 Hyatt Hotels Corp H 0001509259 WESTAMERICA BANK 4550 MANGELS BLVD., MAC A-2K FAIRFIELD CA 94534 0 0 0 1 See Remarks Former member of 10% owner group. Westamerica Bank serves as trustee of 1740 Trust RSP which previously owned shares of Class B Common Stock of the Issuer. In such capacity, Westamerica Bank executed joinders to each of the Amended and Restated Global Hyatt Agreement and the Amended and Restated Foreign Global Hyatt Agreement, and was thereby subject to the provisions of those agreements. As of the transaction date, 1740 Trust RSP has transferred all of its shares of Class B Common Stock of the Issuer and Westamerica Bank is therefore no longer subject to Section 16 reporting with respect to the Issuer. /s/ Sherry Graziano, authorized signatory 2012-03-14