In the latest in a flurry of soft drink marketing tie ups and listing deals, Coca-Cola Co has extended its alliance with the National Basketball Association in the US for another four years. Coke has had a marketing deal with the NBA since 1986. Financial details of the deal were not disclosed, but, Coca-Cola is to unveil NBA-related promotional activities for its Sprite brand as part of the deal, which becomes effective in the 2002-03 professional basketball season. These will include a greater presence at the annual All-Star game and more activity on the NBA website