CERTIFICATE OF COMPLETION
This is to certify that Claudia Thaiz Gutierrez Medranohas successfully completed the Holcim Academy Course for Sustainable Construction in
Thermal Performance of Concrete Buildingsa program offered by Holcim.
Miljan Gutovic
Chief Executive Officer Holcim
Carmen Diaz
Chief People and Sustainability Officer Holcim
Holcim Academy Certificate:
Issued July 9, 2026
Valid Certificate ID
7a84339421c541b2a4d9578e6fade923