CERTIFICATE OF COMPLETION
This is to certify that Claire Zieglerhas 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 April 1, 2025
Valid Certificate ID
ef02a874f46d451093dd42ba0f152846