Sonesta International Hotels Corporation Announces Filing of Supplement to Proxy Statement

Sonesta International Hotels Corporation

, announced today that it has filed a supplement to its definitive proxy materials relating to the previously announced proposed merger of Sonesta with a subsidiary of Sonesta Acquisition Corp., an affiliate of Hospitality Properties Trust

pursuant to an Agreement and Plan of Merger, dated as of November 2, 2011. The proxy supplement has been filed in connection with the settlement of class action litigation relating to the proposed merger.