WORKFORCE DATA EMPLOYEE DATA Appendix B 2021 Owens Corning Sustainability Report | Appendices | 294 2021 Ethnic Background of Non-Contingent U.S. Employees + 2021 U.S. Management Positions Share by Ethnic Background + Number of Global Employees by Employment Contract (by Gender and Region) + REGION FEMALE MALE TOTAL REGULAR TEMPORARY REGULAR TEMPORARY Asia Pacific 779 0 3,394 0 4,173 Europe 744 3 3,725 1 4,473 Latin America 446 0 1,789 0 2,235 North America 1,817 0 7,058 1 8,876 TOTAL 3,786 3 15,966 2 19,757 ETHNIC BACKGROUND FEMALE MALE TOTAL SHARE IN TOTAL WORKFORCE    White 1,213 4,185 5,398 65.1%    Black 270 1,087 1,357 16.4%    Hispanic 144 1,050 1,194 14.4%    Asian 43 162 205 2.5%    American Indian/Alaskan 7 29 36 0.4%    Native Hawaiian/Other Pacific Islander 5 14 19 0.2%    Two or More Races 19 51 70 0.8%    Not Specified 2 5 7 0.1% TOTAL 1,703 6,583 8,286 100% BREAKDOWN 2020 2021 YOY CHANGE Asian 3.9% 3.7% -0.1% Black or African American 5.7% 7.1% 1.5% Hispanic or Latino 5.0% 5.2% 0.2% White 84.4% 83.1% -1.3% Indigenous or Native 0.5% 0.3% -0.1% Native Hawaiian/Other Pacific Islander 0.0% 0.0% 0.0% Two or More Races 0.7% 0.6% -0.1% Not Specified 0.0% 0.0% 0.0% TOTAL 100.0% 100.0% 0.0%