CERTIFICATE OF COMPLETION
This is to certify that James Christian McCullenhas 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
Carmen Diaz
Chief People and Sustainability Officer Holcim
Holcim Academy Certificate:
Issued October 10, 2024
Valid Certificate ID
cf3ae284417349fba021995143343c2b