WORKFORCE DATA SAFETY DATA Appendix B 2021 Owens Corning Sustainability Report | Appendices | 305 Employee Fatalities + REGION METRIC 2018 2019 2020 2021 Asia Pacific Total Labor Hours 12,566,888 13,089,577 12,290,369 13,430,246 Female Fatalities (count) 0 0 0 0 Male Fatalities (count) 0 0 0 0 TOTAL FATALITIES 0 0 0 0 Europe Total Labor Hours 8,069,125 8,575,120 8,073,712 8,440,486 Female Fatalities (count) 0 0 0 0 Male Fatalities (count) 0 0 0 0 TOTAL FATALITIES 0 0 0 0 North America Total Labor Hours 23,736,659 22,925,718 20,590,689 22,596,142 Female Fatalities (count) 0 0 0 0 Male Fatalities (count) 0 1 0 0 TOTAL FATALITIES 0 1 0 0 South America Total Labor Hours 1,224,252 1,309,836 1,151,026 1,119,773 Female Fatalities (count) 0 0 0 0 Male Fatalities (count) 0 0 0 0 TOTAL FATALITIES 0 0 0 0 GRAND TOTAL FATALITIES 0 1 0 0 SIF RECORDABLE REGION METRIC 2019 2020 2021 Asia Pacific Total Labor Hours 13,089,577 12,290,369 13,430,246 SIF Recordable Count 1 1 3 SIF Recordable Rate 0.02 0.02 0.04 Europe Total Labor Hours 8,575,120 8,073,712 8,440,486 SIF Recordable Count 3 2 4 SIF Recordable Rate 0.07 0.05 0.09 North America Total Labor Hours 22,925,718 20,590,689 22,596,142 SIF Recordable Count 16 13 14 SIF Recordable Rate 0.14 0.13 0.12 South America Total Labor Hours 1,309,836 1,151,026 1,119,773 SIF Recordable Count 0 0 0 SIF Recordable Rate 0.00 0.00 0.00 GRAND TOTAL SIF RECORDABLES 20 16 21 TOTAL SIF RECORDABLE RATE 0.09 0.08 0.09