I checked my facts, his PR people are my source
UPDATE 2: Ward Burton from a Golin-Harris PR - "I'm done. I'm ready to rock. Caterpillar has signed for five years. A lot changes in the sport and I wasn't willing to sign a five-year deal (Burton signed for two more years, taking him through the 2004 season). We never even talked about it because I told Cat when we talked that five years is a long time. A lot can change in five years. Three years is a long time in this business. Five years is just too far to look down the future. I don't even know for me physically to sign a five-year deal if I would even be up for it. I do want options, and I feel like they need to have options."(Golin-Harris PR)(4th of July 2002)