Common use of Certificate of Authorized Officer Clause in Contracts

Certificate of Authorized Officer. Reference is made to the Sixth Amendment to the First Lien Credit Agreement, dated as of August 31, 2010 (the “Amendment” or the “Sixth Amendment”), among Mitel Networks, Inc. (“MNI”), Mitel US Holdings, Inc. (“Holdings”), Mitel (Delaware), Inc. (together with MNI and Holdings, each, a “U.S. Borrower” and collectively, the “U.S. Borrowers”) and Mitel Networks Corporation (the “Canadian Borrower” and together with the U.S. Borrowers, each a “Borrower” and collectively, the “Borrowers”), certain of the Lenders and Wilmington Trust FSB, as U.S. Administrative Agent. Unless otherwise defined herein, terms used herein have the meanings provided in the Sixth Amendment. The undersigned hereby certifies solely in his or her capacity as an Authorized Officer (as defined in the Credit Agreement) of Mitel Networks Corporation and not in his or her individual capacity, that, both immediately before and after giving effect to the Sixth Amendment on the Sixth Amendment Effective Date that the statements set forth in Article IV of the Sixth Amendment are true and correct.

Certificate of Authorized Officer. Reference is made to the Sixth Amendment to the First Lien Credit Agreement, dated as of August 31, 2010 (the “Amendment” or the “Sixth Amendment”), among Mitel Networks, Inc. (“MNI”), Mitel US Holdings, Inc. (“Holdings”), . Mitel (Delaware), Inc. (together with MNI and Holdings, each, a “U.S. Borrower” and collectively, the “U.S. Borrowers”) and Mitel Networks Corporation (the “Canadian Borrower” and together with the U.S. Borrowers, each a “Borrower” and collectively, the “Borrowers”), certain of the Lenders and Wilmington Trust FSB, as U.S. Administrative Agent (in such capacity, the “US. Administrative Agent”). Unless otherwise defined herein, terms used herein have the meanings provided in the Sixth Amendment. The undersigned hereby certifies solely in his or her capacity as an Authorized Officer (as defined in the Credit Agreement) of Mitel Networks Corporation Holdings and not in his or her individual capacity, that, both immediately before and after giving effect to the Sixth Amendment on the Sixth Amendment Effective Date that the statements set forth in Article IV of the Sixth Amendment are true and correct.

Certificate of Authorized Officer. Reference is made to the Sixth Amendment to the First Lien Credit Agreement, dated as of August 31, 2010 (the “Amendment” or the “Sixth Amendment”), among Mitel Networks, Inc. (“MNI”), Mitel US Holdings, Inc. (“Holdings”), Mitel (Delaware), Inc. (together with MNI and Holdings, each, a “U.S. Borrower” and collectively, the “U.S. Borrowers”) and Mitel Networks Corporation (the “Canadian Borrower” and together with the U.S. Borrowers, each a “Borrower” and collectively, the “Borrowers”), certain of the Lenders and Wilmington Trust FSB, as U.S. Administrative Agent. Unless otherwise defined herein, terms used herein have the meanings provided in the Sixth Amendment. The undersigned hereby certifies solely in his or her capacity as an Authorized Officer (as defined in the Credit Agreement) of Mitel Networks Corporation MNI and not in his or her individual capacity, that, both immediately before and after giving effect to the Sixth Amendment on the Sixth Amendment Effective Date that the statements set forth in Article IV of the Sixth Amendment are true and correct.

Certificate of Authorized Officer. Reference is made to the Sixth Amendment to the First Lien Credit Agreement, dated as of August 31, 2010 (the “Amendment” or the “Sixth Amendment”), among Mitel Networks, Inc. (“MNI”), . Mitel US Holdings, Inc. (“Holdings”), . Mitel (Delaware), Inc. (together with MNI and Holdings, each, a “U.S. Borrower” and collectively, the “U.S. Borrowers”) and Mitel Networks Corporation (the “Canadian Borrower” and together with the U.S. Borrowers, each a “Borrower” and collectively, the “Borrowers”), certain of the Lenders and Wilmington Trust FSB, as U.S. Administrative Agent. Unless otherwise defined herein, terms used herein have the meanings provided in the Sixth Amendment. The undersigned hereby certifies solely in his or her capacity as an Authorized Officer (as defined in the Credit Agreement) of Mitel Networks Corporation (Delaware), Inc. and not in his or her individual capacity, that, both immediately before and after giving effect to the Sixth Amendment on the Sixth Amendment Effective Date that the statements set forth in Article IV of the Sixth Amendment are true and correct.