CERTIFICATE OF COMPLETION
This is to certify that Claire Zieglerhas successfully completed the Holcim Academy Course for Sustainable Construction in
The Future of Concrete Constructiona program offered by Holcim.
Miljan Gutovic
Chief Executive Officer Holcim
Nollaig Forrest
Chief Sustainability Officer Holcim
Holcim Academy Certificate:
Issued April 1, 2025
Valid Certificate ID
875910ee35cf449cb71d345640d09c6c