X0306 4 2020-12-18 0 0001627223 Chemours Co CC 0001474107 VERGNANO MARK P 1007 MARKET STREET WILMINGTON DE 19801 1 1 0 0 President and CEO Common Stock 2020-12-18 4 M 0 153392 15.4871 A 395745 D Common Stock 2020-12-18 4 S 0 153392 27.2828 D 242353 D Common Stock 512076 I By GRAT Stock Option (Right to Buy) 15.4871 2020-12-18 4 M 0 153392 0 D 2021-02-04 Common Stock 153392 0 D The stock option exercise and sale reported in this Form 4 was effected pursuant to a previously reported Rule 10b5-1 trading plan. Price reported is an average. Shares were sold in multiple transactions at prices ranging from $26.79 to $27.87. These options were issued to the reporting person while he was employed by DuPont and were converted to Chemours options in connection with the Company's separation from DuPont. /s/ Pauletta Brown, Attorney-in-Fact for Mark P. Vergnano 2020-12-21