CERTIFICATE OF COMPLETION
This is to certify that Abdihakim Omar Ragehas 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 June 20, 2026
Valid Certificate ID
ad6a38047c024343b7ee2921cb696524