CERTIFICATE OF COMPLETION
This is to certify that Anthony Purwadihas 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 January 20, 2025
Valid Certificate ID
621881aee9004446a2bbe7049628fb69