100 Mount Street is the latest addition to Sydney's growing north-side business district. The innovative cross-braced exoskeleton structure and soaring glass curtain wall celebrates Sydney’s history of excellence in architecture and structural engineering. The 35-story office tower offers panoramic views of Sydney Harbor, the Sydney Opera House, and Sydney Harbor Bridge. Open-concept ground floors welcome in passersby. An exemplar of sustainable design, 100 Mount Street is targeting 5-star ratings on the Australian Green Star and National Australian Built Environment Rating Systems.