By Chris Oliver 8%6%4%2%0%-2%10a11a12p1p2p3pAIG MET HONG KONG (MarketWatch) -- American International Group Inc. /quotes/comstock/13*!aig/quotes/nls/aig (AIG 28.08, +1.37, +5.13%) will announce early Monday an agreement to sell American Life Insurance Co., also known as Alico, to MetLife Inc. /quotes/comstock/13*!met/quotes/nls/met (MET 38.92, +0.81, +2.13%) for $6.8 billion in cash and $8.7 billion in stock, including common stock and convertible preferred securities, according to a report Sunday. The deal, totaling $15.5 billion, involves a complicated structure that will leave U.S. government-controlled AIG owning roughly one-fifth of MetLife, The Wall Street Journal reported, citing people familiar with the matter. AIG and MetLife were putting the final touches on the agreement Sunday, the report said.