This certificate certifies that Adao Mateus has met all the requirements to be classified as a Certified Inspector of Petroleum according to the International Federation of Inspection Agencies. The certificate is signed by David Bleser, Chairman of the Petroleum and Petrochemical Committee, and Roger Brockway, Director General of the International Federation of Inspection Agencies. The certificate is valid from December 1, 2014 to December 1, 2019.