Montpelier Re Holdings Ltd, a provider of reinsurance and other specialty lines, said it priced its offering of $300 million of senior notes due 2022.The Bermuda-based company said the notes, which are due October 15, 2022, will have an interest rate of 4.7 percent per year and will be issued at 99.682 percent of par value. The offering is expected to close today.Montpelier plans to use the offering to redeem its outstanding 6.125 percent senior notes due 2013 and for general corporate purposes.Credit Suisse Securities (USA) LLC and Barclays Capital Inc are joint underwriters.