CERTIFICATE OF COMPLETION
This is to certify that GERASIMOS KERAMIDAShas 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 March 1, 2025
Valid Certificate ID
1fdd5a44a11a4dc2a8e465004619a2f2