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| Consent of Independent Auditor | Montréal, Québec H3B 4L8 | |
| Telephone: 514-878-2691 | ||
| Fax: 514-878-2127 | ||
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We have issued our independent auditor’s report dated November 28, 2012 with respect to the consolidated financial statements included in the Annual Report of Sand Technology Inc. on Form 20-F for the year ended July 31, 2012. We hereby consent to the incorporation of said report in the Form 20-F, and to the incorporation by reference of said report in the Registration Statements of Sand Technology Inc. on Forms S-8 (File No. 333-08538, effective March 27, 1998 and File No. 333-07462, effective August 20, 1997) and Form F-3 (File No. 333-51014, effective August 18, 2000).
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Montréal, Canada,
December 11, 2012
Chartered Accountants
Member of Grant Thornton International Ltd