Montpelier Re Holdings Ltd. to Release Second Quarter 2008 Results on July 22, 2008

Montpelier Re Holdings Ltd. (NYSE:MRH) (the "Company”) expects to release its second quarter results after the market close on July 22, 2008. The Company will host a conference call to discuss the results on July 23, 2008 at 8:00 a.m. Eastern Time. The conference call will be available via a live audio webcast accessible on the Company's website at www.montpelierre.bm or by dialing 800-860-2442 (toll free) or 1-412-858-4600 (international). The archived webcast and a podcast of the conference call will be available at www.montpelierre.bm at 11 am EST on July 23, 2008. A telephone replay of the conference call will be available through July 31, 2008 by dialing 877-344-7529 (toll-free) or 1-412-317-0088 (international) and entering the passcode 420477. Montpelier Re Holdings Ltd., through its operating subsidiaries, is a premier provider of global property and casualty reinsurance and insurance products. Additional information can be found in Montpelier's public filings with the Securities and Exchange Commission.