CERTIFICATE OF COMPLETION
This is to certify that Ang Guo Minghas 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 March 9, 2025
Valid Certificate ID
b40b55ed5b82405185a742e5f22aaa84