CERTIFICATE OF COMPLETION
This is to certify that Claire Zieglerhas successfully completed the Holcim Academy Course for Sustainable Construction in
Introduction to Sustainable Constructiona program offered by Holcim.
Miljan Gutovic
Chief Executive Officer Holcim
Nollaig Forrest
Chief Sustainability Officer Holcim
Holcim Academy Certificate:
Issued March 27, 2025
Valid Certificate ID
3c3f642508bf4191b408e68f86262a0d