© SCS Global Services Page 5 of 5 Independence SCS Global Services is an independent and internationally accredited conformance assessment b ody. All members of the assurance team were internally reviewed to ensure they were free from conflicts of interest. SCS is not financial ly dependen t on Owens Corning in any way beyo nd the pre -payment of our work under the scope of this engagement and a limited number of independent assessments and product cert ifications it performs for Owens Corning annually . Declaration __________________________ Neil Mendenhall Associate Certified Sustainability Assurance Practitioner (ACSAP) SCS Global Services Emeryville, California – March 202 2 2021 Owens Corning Sustainability Report | Appendices | 349 ASSURANCE STATEMENT Appendix F