CERTIFICATE OF COMPLETION
This is to certify that Ang Guo Minghas successfully completed the Holcim Academy Course for Sustainable Construction in
Concrete Essentials—Basic Properties of Concretea program offered by Holcim.
Miljan Gutovic
Chief Executive Officer Holcim
Nollaig Forrest
Chief Sustainability Officer Holcim
Holcim Academy Certificate:
Issued February 16, 2025
Valid Certificate ID
bfc048a1a306442982b80d4740392290