


CERTIFICATE OF COMPLETION
This is to certify that William R Owings IIIhas successfully completed the Holcim Academy Course for Sustainable Construction in
Designing with Concretea program offered by Holcim.

Miljan Gutovic
Chief Executive Officer Holcim

Carmen Diaz
Chief People and Sustainability Officer Holcim
Holcim Academy Certificate:
Issued November 1, 2024
Valid Certificate ID
e3aa11f2f43f4315ba4c0e5bb28d8ab3