Common use of Annual Update Clause in Contracts

Annual Update. Pursuant to the Amending Agreement of the Master Agreement, Contractor and Customer agreed to specify all amounts chargeable, payable, or to be credited under the Master Agreement, including, for greater certainty and without limitation, amounts listed in Exhibit E, Exhibit G and amounts under or pursuant to any Statement of Work and any Performance Credits, in Canadian dollars, but except as otherwise provided in the Amending Agreement. For specific annual periods, each such dollar amount is converted from its U.S. dollar amount into Canadian dollars by multiplying each such amount by a conversion factor. Pursuant to 17 CFR 240.24b-2, confidential information has been omitted in places marked “[* * *]” and has been filed separately with the Securities and Exchange Commission pursuant to a Confidential Treatment Application filed with the Commission. SOW: þ No o Yes In accordance with the terms of the Amending Agreement, effective on each anniversary of the Amending Agreement, the conversion factor is recomputed based on the average of the exchange rates for each of the last five (5) Business Days in the month of April immediately preceding the applicable anniversary of the Amending Agreement’s effective date, as published in the Key Currency Cross Rates column of the Wall Street Journal. In accordance with the terms and conditions of the Amending Agreement, the conversion factor has been set as follows: • 1. 5723 for the period June 1, 2003 to May 31, 2004, as reflected in the Amending Agreement 1. 3612 for the period of June 1, 2004 to May 31, 2005, as reflected in Amendment No. 46 1. 2484 for the period of June 1, 2005 to May 31, 2006, as reflected in Revision 1 to Amendment No. 46 1. 1274 for the period of June 1, 2006 to May 31, 2007, as reflected in Revision 2 to Amendment No. 46 1. 1169 for the period of June 1, 2007 to May 31, 2008, as reflected in Revision 3 to Amendment No. 46 1. 0125 for the period of June 1, 2008 to May 31, 2009, as reflected in Revision 4 to Amendment No. 46 In accordance with the terms and conditions of the Amending Agreement, the conversion factor for the period of June 1, 2009 to May 31, 2010 was calculated to equal 1.2091.

Annual Update. Pursuant to the Amending Agreement of the Master Agreement, Contractor and Customer agreed to specify all amounts chargeable, payable, or to be credited under the Master Agreement, including, for greater certainty and without limitation, amounts listed in Exhibit E, Exhibit G and amounts under or pursuant to any Statement of Work and any Performance Credits, in Canadian dollars, but except as otherwise provided in the Amending Agreement. For specific annual periods, each such dollar amount is converted from its U.S. dollar amount into Canadian dollars by multiplying each such amount by a conversion factor. Pursuant to 17 CFR 240.24b-2, confidential information has been omitted in places marked “[* * *]” and has been filed separately with the Securities and Exchange Commission pursuant to a Confidential Treatment Application filed with the Commission. SOW: þ No o Yes In accordance with the terms of the Amending Agreement, effective on each anniversary of the Amending Agreement, the conversion factor is recomputed based on the average of the exchange rates for each of the last five (5) Business Days in the month of April immediately preceding the applicable anniversary of the Amending Agreement’s effective date, as published in the Key Currency Cross Rates column of the Wall Street SOW: ÖNo _Yes Journal. In accordance with the terms and conditions of the Amending Agreement, the conversion factor has been set as follows: • 1. 5723 for the period June 1, 2003 to May 31, 2004, as reflected in the Amending Agreement 1. 3612 for the period of June 1, 2004 to May 31, 2005, as reflected in Amendment No. 46 1. 2484 for the period of June 1, 2005 to May 31, 2006, as reflected in Revision 1 to Amendment No. 46 1. 1274 for the period of June 1, 2006 to May 31, 2007, as reflected in Revision 2 to Amendment No. 46 1. 1169 for the period of June 1, 2007 to May 31, 2008, as reflected in Revision 3 to Amendment No. 46 1. 0125 for the period of June 1, 2008 to May 31, 2009, as reflected in Revision 4 to Amendment No. 46 In accordance with the terms and conditions of the Amending Agreement, the conversion factor for the period of June 1, 2009 2008 to May 31, 2010 2009 was calculated to equal 1.20911.0125.

Annual Update. Pursuant to the Amending Agreement of the Master Agreement, Contractor and Customer agreed to specify all amounts chargeable, payable, or to be credited under the Master Agreement, including, for greater certainty and without limitation, amounts listed in Exhibit E, Exhibit G and amounts under or pursuant to any Statement of Work and any Performance Credits, in Canadian dollars, but except as otherwise provided in the Amending Agreement. For specific annual periods, each such dollar amount is converted from its U.S. dollar amount into Canadian dollars by multiplying each such amount by a conversion factor. Pursuant to 17 CFR 240.24b-2, confidential information has been omitted in places marked “[* * *]” and has been filed separately with the Securities and Exchange Commission pursuant to a Confidential Treatment Application filed with the CommissionAmendment No. 46(CA) Rev. 3 SOW: þ No Date: June 1, 2007 o Yes In accordance with the terms of the Amending Agreement, effective on each anniversary of the Amending Agreement, the conversion factor is recomputed based on the average of the exchange rates for each of the last five (5) Business Days in the month of April immediately preceding the applicable anniversary of the Amending Agreement’s effective date, as published in the Key Currency Cross Rates column of the Wall Street Journal. In accordance with the terms and conditions of the Amending Agreement, the conversion factor has been set as follows: • 1. 5723 for the period June 1, 2003 to May 31, 2004, as reflected in the Amending Agreement 1. 3612 for the period of June 1, 2004 to May 31, 2005, as reflected in Amendment No. 46 1. 2484 for the period of June 1, 2005 to May 31, 2006, as reflected in Revision 1 to Amendment No. 46 1. 1274 for the period of June 1, 2006 to May 31, 2007, as reflected in Revision 2 to Amendment No. 46 1. 1169 for the period of June 1, 2007 to May 31, 2008, as reflected in Revision 3 to Amendment No. 46 1. 0125 for the period of June 1, 2008 to May 31, 2009, as reflected in Revision 4 to Amendment No. 46 In accordance with the terms and conditions of the Amending Agreement, the conversion factor for the period of June 1, 2009 2007 to May 31, 2010 2008 was calculated to equal 1.20911.1169.