43-101 2007 Technical Report On The San Antonio Project, Baja ...

Derry, Michener, Booth & Wahl Consultants Ltd. Page 6923.0 AUTHORS’ CERTIFICATESCertificate of Qualifications for Ian S. ThompsonAs one of the two authors of this report entitled “Technical Report and Mineral ResourceEstimate on the San Antonio Gold Project, Baja California Sur, Mexico, for PedimentExploration Limited”, as at December 31, 2007, and dated June 30, 2008, I, Ian S.Thompson, do hereby certify that:1. I am the President ofDerry, Michener, Booth & Wahl Consultants Ltd.2338 Marine DriveWest Vancouver, BC, CanadaV7V 1K82. I graduated with a degree in Honours Geological Sciences from the University ofToronto in 1959.3. I am and have been a registered Professional Engineer with the Association ofProfessional Engineers and Geoscientists of British Columbia since 1971.As well, Iam a member in good standing of other technical associations and societies including,Life Member, Society of Economic Geologists.Retired Fellow, Association of Applied GeochemistsLife Member, Canadian Institute of Mining and Metallurgy.Life Member, Prospectors and Developers Association of Canada.Life Member, Association for Mineral Exploration BC.4. I have practiced my profession continually since 1959.5. I am responsible for Sections 1 through 16 and 18, 19 and 20 of the Technical Reportas well as for the preparation of the Technical Report. I visited the San Antonioproperty and the offices of Pediment’s wholly –owned Mexican subsidiary, Cia.Minera Pitalla, S.A. de C.V. in Hermosillo, during the period December 12-17, 2007.6. I have read National Instrument 43-101 and, by reason of education,experience and professional registration, I fulfill the requirements of aQualified Person as defined in NI 43-101. This technical report has beenprepared in compliance with NI 43-101.7. I have had no prior involvement with the mineral property in question.8. As of the date of this certificate, to the best of my knowledge, information and belief,the technical report contains all scientific and technical information that is required tobe disclosed to make the technical report not misleading.