CERTIFICATE OF COMPLETION
This is to certify that William R Owings IIIhas successfully completed the Holcim Academy Course for Sustainable Construction in
Low-Carbon Cement and Concretea program offered by Holcim.
Miljan Gutovic
Chief Executive Officer Holcim
Nollaig Forrest
Chief Sustainability Officer Holcim
Holcim Academy Certificate:
Issued December 19, 2024
Valid Certificate ID
5762172c73d04f1b827e17e5ea11c4da