Not quite...
http://savestarwars.com/lucas-nfr.html
"Written into George Lucas' contract with Fox is the line stating that any prints of the original that are found must be hunted up and destroyed," he said. "As a result, film collectors are very loath to disclose where any prints of any Lucas films are at all. There are a few IB Technicolor Star Wars prints in private hands." He went on to state. "I'm not sure which contract it is. I have no idea whether it's public record or not. I do know that in the early 2000s there were a Technicolor festival in LA, and Star Wars was announced as a title. After trying to legally clear the title through Fox, the organizers of the festival were threatened with having the print confiscated and destroyed. They told the organizers of the festival that it was a line in Lucas' contract. The organizers were frantic to get rid of the print they had so that Fox couldn't get to it."