ɪn tˈuː θˈaʊzənd sˈɪks ðə sˈɪɾi ʌv ʃᵻkˈɑːɡoʊ ɡɹˈæntᵻd ɐ bˈɪldɪŋ pˈɜːmɪt tə hˈɛlθ kˈɛɹ sˈɜːvɪs kˌɔːɹpɚɹˈeɪʃən blˈuː kɹˈɔs blˈuː ʃˈiːld ʌv ˌɪlənˈɔɪ tə ɹˈɛnəvˌeɪt ðə bˈɪldɪŋ ˈʌpwɚdz, wˌɪtʃ ɡˈeɪv ɐdˈɪʃənəl twˈɛnti fˈoːɹ stˈoːɹiz ænd mˌeɪd ðə bˈɪldɪŋ fˈɪfti sˈɛvən stˈoːɹiz ɪn tˈoʊɾəl θɹˈiː flˈoːɹz bᵻlˌoʊ ɡɹˈaʊnd.
In 2006 the City of Chicago granted a building permit to Health Care Service Corporation Blue Cross Blue Shield of Illinois to renovate the building upwards, which gave additional 24 stories and made the building 57 stories in total (3 floors below ground).