Item 8.01 Other Events.

Montpelier Re Holdings Ltd. (the "Company") announces that, on July 31, 2012, its Board of Directors increased its existing Common Share, par value 1/6 cent per share, repurchase authorization by an additional $250 million, thereby raising its total Common Share repurchase authorization as of July 31, 2012 to $295.7 million. Common Shares may be purchased in the open market or through privately negotiated transactions. There is no stated expiration date associated with this share repurchase authorization.