American Express Enters into Agreement to Sell Costco U.S. Cobrand Portfolio

February 29, 2016 08:30 AM Eastern Standard Time NEW YORK–(BUSINESS WIRE)–American Express (NYSE: AXP) today announced that it entered into an agreement to sell its Costco U.S. cobranded card portfolio to Citibank N.A. (Citi). The sale is expected to close…