Effective with shipments on or after May 1, 2018

Effective with shipments on or after May 1, 2018, Evonik Cyro LLC will increase the selling
price for the following VISIOMER® methacrylate monomers.

• VISIOMER® Methyl Methacrylate $0.03/lb
• VISIOMER® Methacrylic Acid $0.04/lb
• VISIOMER® n-Butyl Methacrylate $0.15/lb
• VISIOMER® i-Butyl Methacrylate $0.15/lb
• VISIOMER® Hydroxy Esters $0.19/lb

To our Contract Customers, this letter will serve as a notice under the specific terms and
conditions of your contract.

As always, we thank you for your valued business and the confidence you place in Evonik
Cyro LLC for your VISIOMER® methacrylate monomer requirements.