WORKFORCE DATA SAFETY DATA Appendix B 2021 Owens Corning Sustainability Report | Appendices | 302 Lost Work Day Rate (LWD) + REGION METRIC 2018 2019 2020 2021 Asia Pacific Total Labor Hours 12,566,888 13,089,577 12,290,369 13,430,246 Female (Count) 0 0 0 16 Female (Rate) 0.00 0.00 0.00 0.24 Male (Count) 430 246 459 239 Male (Rate) 6.84 3.76 7.47 3.56 Unspecified (Count) 212 126 180 0 Unspecified (Rate) 3.37 1.93 2.93 0.00 Asia Pacific Total Work Days Lost 642 372 639 255 ASIA LWD RATE 10.22 5.68 10.40 3.80 Europe Total Labor Hours 8,069,125 8,575,120 8,073,712 8,440,486 Female (Count) 0 0 0 0 Female (Rate) 0.00 0.00 0.00 0.00 Male (Count) 540 624 468 302 Male (Rate) 13.38 14.55 11.59 7.16 Unspecified (Count) 38 86 291 286 Unspecified (Rate) 0.94 2.01 7.21 6.78 Europe Total Work Days Lost 578 710 759 588 EUROPE LWD RATE 14.33 16.56 18.80 13.93 North America Total Labor Hours 23,736,659 22,925,718 20,590,689 22,596,142 Female (Count) 1023 882 1188 1236 Female (Rate) 8.62 7.69 11.54 10.94 Male (Count) 3083 5647 4495 4198 Male (Rate) 25.98 49.26 43.66 37.16 Unspecified (Count) 11 0 180 0 Unspecified (Rate) 0.09 0.00 1.75 0.00 North America Total Work Days Lost 4117 6529 5863 5434 NORTH AMERICA LWD RATE 34.69 56.96 56.95 48.10 South America Total Labor Hours 1,224,252 1,309,836 1,151,026 1,119,773 Female (Count) 0 0 0 0 Female (Rate) 0.00 0.00 0.00 0.00 Male (Count) 0 0 0 0 Male (Rate) 0.00 0.00 0.00 0.00 South America Total Work Days Lost 0 0 0 0 SOUTH AMERICA LWD RATE 0.00 0.00 0.00 0.00 GRAND TOTAL - TOTAL WORK DAYS LOST 5,337 7,611 7,261 6,277 TOTAL LWD RATE 23.41 33.16 34.49 27.54