Marriott International (NASDAQ: MAR) today announced it reached new agreements with JPMorgan Chase and American Express for its U.S.-issued, co-brand credit cards associated with its loyalty programs. These multi-year agreements will extend Marriott’s relationship with both card issuers and cover the Marriott Rewards and Ritz-Carlton Rewards Visa credit cards from JPMorgan Chase, and the Starwood Preferred Guest (SPG) credit cards from American Express.