CERTIFICATE OF COMPLETION
This is to certify that Harry Nickellshas 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 31, 2024
Valid Certificate ID
4b69ef66f74248dd89b766d1a44615cd