Receiver Steve Smith agreed to a three-year contract extension with the Panthers on Tuesday in a deal that will keep him with the team through the 2012 season. His agent, Derrick Fox, said he wasn't authorized to release exact figures, but said Smith's new deal makes him among the five highest-paid receivers in the NFL. "Steve wanted to complete his career with the Panthers and bring Carolina a Super Bowl," Fox said. "This gives him peace of mind."