CERTIFICATE OF COMPLETION
This is to certify that William R Owings IIIhas successfully completed the Holcim Academy Course for Sustainable Construction in
Concrete Essentials—Basic Properties of Concretea program offered by Holcim.
Miljan Gutovic
Chief Executive Officer Holcim
Nollaig Forrest
Chief Sustainability Officer Holcim
Holcim Academy Certificate:
Issued October 29, 2024
Valid Certificate ID
99c2002509f54c869110102217e40d7f