Completed in 1967, the building served as the world headquarters for Bechtel before the company moved to Reston, Virginia.

[3] The building has also served as headquarters for Blue Shield of California between 1996 and 2018.

[4] In 2006, Blue Shield renewed its lease and acquired naming rights to the building.

[6] A joint venture of The Rockefeller Group and Mitsubishi Estate New York acquired the building in September 2012.

[7] The building was sold to Paramount Group, Inc. for approximately US$395 million in September 2014.