Liberty Mutual Holding Co. Inc. has completed a transaction through the Limestone Re Ltd. capital markets platform that provides about $150 million of collateralized reinsurance capacity for its U.S. property catastrophe program and U.S. homeowners and global property reinsurance businesses.

Limestone Re issued $58 million of series 2019-1 notes listed on the Bermuda Stock Exchange, while the remainder of the capacity was provided through private placements.

Limestone Re is a Bermuda-domiciled segregated account company.