GRA - W. R. Grace & Co. 2020 Q4 - Results - Earnings Call Presentation February, 09 2021 12:58 PM W.R. Grace & Co. The following slide deck was published by W. R. Grace & Co. in conjunction with their 2020 Q4 earnings call. For further details see: W. R. Grace & Co. 2020 Q4 - Results - Earnings Call Presentation