Assurant Inc. has priced a public offering of $300 million of its floating rate senior notes due 2021, $300 million of its 4.200% senior notes due 2023, $300 million of its 4.900% senior notes due 2028 and $400 million of its 7.000% fixed-to-floating rate subordinated notes due 2048.

The net proceeds from the sale of the notes will be about $1.3 billion, after deducting the underwriting discounts and the estimated offering expenses.

The company intends to use the net proceeds from the offering, together with proceeds from the issuance of 2,875,000 of its 6.50% series D mandatory convertible preferred shares, cash on hand and common stock consideration, to fund the pending acquisition of TWG Holdings Ltd., refinance existing 2.50% senior notes due 2018 and pay related fees and expenses.

The offering is expected to close March 27.

Morgan Stanley & Co. LLC, J.P. Morgan Securities LLC and Wells Fargo Securities LLC are acting as joint book-running managers for the offering.