CERTIFICATE OF COMPLETION
This is to certify that VACHAVIOLOS PETROShas successfully completed the Holcim Academy Course for Sustainable Construction in
Life Cycle Stages of Construction Projects and Productsa program offered by Holcim.
Miljan Gutovic
Chief Executive Officer Holcim
Carmen Diaz
Chief People and Sustainability Officer Holcim
Holcim Academy Certificate:
Issued September 8, 2025
Valid Certificate ID
2056ab58d67f419e96fe29fb1576c2ab