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Concrete Sealer Testing, Certi-Vex Penseal 244 100%
Vexcon Chemicals Inc.
7240 State Road, Philadelphia, PA 19135

25 March 2015

Solids content determinations were conducted on the sample and the results are provided in the
attached Table 1. AMEC also arranged for Infrared Spectroscopy and Gas Chromatography
analysis to be conducted on the sample by the University of Alberta, Chemistry Department,
using the AT Test Method BT008. The results of the Infrared Spectroscopy and Gas
Chromatography analysis are also attached.

If there are any questions, please contact the office.

Respectfully submitted,

Amec Foster Wheeler Environment & Infrastructure
a Division of Amec Foster Wheeler Americas Limited

Sultan Butt, P.Eng.

Enclosure: Concrete Sealer Test Report
Solids Content Test Report (Table 1)
Infrared Spectroscopy and Gas Chromatographic Reports

Distribution: (Vexcon), Mr. Darryl Manuel (dmanuel@vexcon.com)

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