CERTIFICATE OF COMPLETION
This is to certify that Mateo Claros Guzmánhas successfully completed the Holcim Academy Course for Sustainable Construction in
Nociones fundamentales sobre el hormigóna program offered by Holcim.
Miljan Gutovic
Chief Executive Officer Holcim
Carmen Diaz
Chief People and Sustainability Officer Holcim
Holcim Academy Certificate:
Issued October 19, 2026
Valid Certificate ID
a507d1da513a407397d27c3b8bb1a32c