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As Thousands Return to Chicago’s Willis Tower, Owner Marks $500 Million Expansion

Blackstone Group’s Project Added 300,000 Square Feet to Lower Levels of Former Sears Tower
Willis Tower’s Catalog expansion added 300,000 square feet of restaurants and other space to the lower levels of the 110-story skyscraper in Chicago. (Robert Gigliotti/CoStar)
Willis Tower’s Catalog expansion added 300,000 square feet of restaurants and other space to the lower levels of the 110-story skyscraper in Chicago. (Robert Gigliotti/CoStar)
CoStar News
May 24, 2022 | 8:12 P.M.

More than two years after COVID-19 transformed Willis Tower from a hive of 15,000 office workers per day to a virtual ghost town, the owner of Chicago’s tallest skyscraper celebrated its recently completed $500 million expansion.

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