CERTIFICATE OF COMPLETION
This is to certify that Delwyn Smedleyhas 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 July 15, 2025
Valid Certificate ID
62dad20e33aa40e6a1ec78f42b332080