CERTIFICATE OF COMPLETION
This is to certify that Melissa Royden-Leehas successfully completed the Holcim Academy Course for Sustainable Construction in
Introduction to Sustainable Constructiona program offered by Holcim.
Miljan Gutovic
Chief Executive Officer Holcim
Carmen Diaz
Chief People and Sustainability Officer Holcim
Holcim Academy Certificate:
Issued June 2, 2025
Valid Certificate ID
2986be39a2274efd9e78af00465f9d2f