CERTIFICATE OF COMPLETION
This is to certify that Andre De Guiohas 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 October 8, 2024
Valid Certificate ID
3885d3016e6a4e47902a478bf0d776ae