The iconic skyscraper downtown is located on Woodward Avenue between Campus Martius Park and Jefferson Avenue.
Mayor Mike Duggan and Bedrock's Dan Gilbert and Jim Ketai held the news conference.
Also announced is that Fortune 500 Company Ally will consolidate and relocate their entire company to the building, which will be renamed the Ally Detroit Center in celebration of the partnership.
This is a developing story. Check back with FOX 2 News for details.