- Status
- Completed
- Type
- Office
- Architectural style
- Postmodern
- Location
- 227 West Monroe Street, Chicago , Illinois
- Architectural
- 306.9 metres (1,007 ft)
- Roof
- 271 metres (889 ft)
- Top floor
- 271 metres (889 ft)
- Floor area
- 1,699,987 sq ft (157,934.0 m )
- Architects
- Adrian D. Smith , Skidmore, Owings & Merrill
- Developer
- AT&T /Stein & Company
- Structural engineer
- William F. Baker , Skidmore, Owings & Merrill
- Main contractor
- Mayfair Construction/Blount International