Holcim Sustainable Construction Academy acknowledges the following student accomplishment

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CERTIFICATE OF COMPLETION

This is to certify that Claire Ziegler

has successfully completed the Holcim Academy Course for Sustainable Construction in

Designing with Concrete

a program offered by Holcim.

Miljan Gutovic

Miljan Gutovic

Chief Executive Officer Holcim

Nollaig Forrest

Nollaig Forrest

Chief Sustainability Officer Holcim

Holcim Academy Certificate: Issued March 31, 2025
Valid Certificate ID ccac333a5ecd408ab6fbe9b5ef0ff617