CERTIFICATE OF COMPLETION
This is to certify that Ang Guo Minghas successfully completed the Holcim Academy Course for Sustainable Construction in
Circular Construction and Concrete Coursea program offered by Holcim.
Miljan Gutovic
Chief Executive Officer Holcim
Nollaig Forrest
Chief Sustainability Officer Holcim
Holcim Academy Certificate:
Issued March 8, 2025
Valid Certificate ID
d803cbab648947539ce1f3aeebb3448a