Chicago Sears Tower to be renamed as Willis

CHICAGO, March 12 (Xinhua) -- Sears Tower, the Chicago icon and Western Hemisphere's tallest building, will have its new name of Willis Tower after Willis Group Holdings became the newest tenant, according to a statement released by the London-based international insurance broker on Thursday.

Willis Group didn't indicate when the new name would become effective, but said it got the naming rights as part of a deal with the building's owners.

http://news.xinhuanet.com/english/2009-03/13/content_11002171.htm