(Reuters) - U.S. insurer American International Group Inc (NYSE: AIG) said on Monday it would sell a major portion of its stake in reinsurer Fortitude Re to buyout fund Carlyle Group (NASDAQ: CG) and Japanese insurer T&D Holdings <8795.T> for about $1.8 billion.

Following the deal, AIG's stake in the company will drop to 3.5% from about 80%, while Carlyle's ownership in the company will rise to 71.5% from about 19.9%. T&D will have a 25% stake.

The transaction is expected to close in mid-2020.

Willkie Farr & Gallagher LLP served as legal adviser to AIG.

Debevoise & Plimpton LLP was Carlyle's legal adviser, while Oliver Wyman was its financial adviser.

Citi was T&D's financial adviser and Nishimura & Asahi, King & Spalding LLP and Appleby were its legal advisers.

(Reporting by Abhishek Manikandan in Bengaluru; Editing by Anil D'Silva)

Reuters