Common use of Adjustment of Number of Common Shares and Exercise Price Clause in Contracts

Adjustment of Number of Common Shares and Exercise Price. 24 4.1 Adjustment of Number of Common Shares and Exercise Price 24 4.2 Entitlement to Common Shares on Exercise of Warrant 28 4.3 No Adjustment for Certain Transactions 28 4.4 Determination by Auditors 28 4.5 Proceedings Prior to any Action Requiring Adjustment 29 4.6 Certificate of Adjustment 29 4.7 Notice of Special Matters 29 4.8 No Action after Notice 29 4.9 Other Action 29 4.10 Protection of Warrant Agent 30 4.11 Other Adjustments 30 4.12 Participation by Warrantholder 30

Adjustment of Number of Common Shares and Exercise Price. 24 4.1 Adjustment of Number of Common Shares and Exercise Price 24 4.2 Entitlement to Common Shares on Exercise of Warrant 28 4.3 No Adjustment for Certain Transactions 28 4.4 Determination by Auditors Independent Firm 28 4.5 Proceedings Prior to any Action Requiring Adjustment 29 4.6 Certificate of Adjustment Adjustment. 29 4.7 Notice of Special Matters 29 4.8 No Action after Notice 29 4.9 Other Action 29 Action. 30 4.10 Protection of Warrant Agent 30 4.11 Other Adjustments 30 4.12 Participation by Warrantholder 30

Adjustment of Number of Common Shares and Exercise Price. 24 19 4.1 Adjustment of Number of Common Shares and Exercise Price 24 19 4.2 Entitlement to Common Shares on Exercise of Warrant 28 23 4.3 No Adjustment for Certain Transactions 28 23 4.4 Determination by Auditors 28 Independent Firm 23 4.5 Proceedings Prior to any Action Requiring Adjustment 29 23 4.6 Certificate of Adjustment 29 23 4.7 Notice of Special Matters 29 24 4.8 No Action after Notice 29 24 4.9 Other Action 29 24 4.10 Protection of Warrant Agent 30 24 4.11 Other Adjustments 30 4.12 Participation by Warrantholder 3025

Adjustment of Number of Common Shares and Exercise Price. 24 4.1 Adjustment of Number of Common Shares and Exercise Price 24 Price. 32 4.2 Entitlement to Common Shares on Exercise of Warrant 28 Warrant. 36 4.3 No Adjustment for Certain Transactions 28 Transactions. 36 4.4 Determination by Auditors 28 Independent Firm. 36 4.5 Proceedings Prior to any Action Requiring Adjustment 29 Adjustment. 36 4.6 Certificate of Adjustment 29 Adjustment. 37 4.7 Notice of Special Matters 29 Matters. 37 4.8 No Action after Notice 29 Notice. 37 4.9 Other Action 29 Action. 37 4.10 Protection of Warrant Agent 30 Agent. 38 4.11 Other Adjustments 30 4.12 Participation by Warrantholder 30Warrantholder. 38

Adjustment of Number of Common Shares and Exercise Price. 24 26 4.1 Adjustment of Number of Common Shares and Exercise Price 24 Price. 26 4.2 Entitlement to Common Shares on Exercise of Warrant 28 Warrant. 31 4.3 No Adjustment for Certain Transactions 28 Transactions. 31 4.4 Determination by Auditors 28 Independent Firm 31 4.5 Proceedings Prior to any Action Requiring Adjustment 29 Adjustment. 31 4.6 Certificate of Adjustment 29 Adjustment. 32 4.7 Notice of Special Matters 29 Matters. 32 4.8 No Action after Notice 29 Notice. 32 4.9 Other Action 29 Action. 32 4.10 Protection of Warrant Agent 30 Agent. 33 4.11 Other Adjustments 30 4.12 Participation by Warrantholder 30Warrantholder. 33

Adjustment of Number of Common Shares and Exercise Price. 24 23 4.1 Adjustment of Number of Common Shares and Exercise Price 24 23 4.2 Entitlement to Common Shares on Exercise of Warrant 28 4.3 No Adjustment for Certain Transactions 28 4.4 Determination by Auditors Independent Firm 28 4.5 Proceedings Prior to any Action Requiring Adjustment 29 28 4.6 Certificate of Adjustment 29 28 4.7 Notice of Special Matters Matters. 29 4.8 No Action after Notice 29 4.9 Other Action Action. 29 4.10 Protection of Warrant Agent 30 29 4.11 Other Adjustments 30 4.12 Participation by Warrantholder 30

Adjustment of Number of Common Shares and Exercise Price. 24 22 4.1 Adjustment of Number of Common Shares and Exercise Price 24 22 4.2 Entitlement to Common Shares on Exercise of Warrant 28 27 4.3 No Adjustment for Certain Transactions 28 27 4.4 Determination by Auditors 28 4.5 Proceedings Prior to any Action Requiring Adjustment 29 4.6 27 4.5 Certificate of Adjustment 29 4.7 27 4.6 Notice of Special Matters 29 4.8 27 4.7 No Action after Notice 29 4.9 Other Action 29 4.10 28 4.8 Protection of Warrant Agent 30 4.11 28 4.9 Other Adjustments 30 4.12 28 TABLE OF CONTENTS (continued) 4.10 Participation by Warrantholder 3029

Adjustment of Number of Common Shares and Exercise Price. 24 14 4.1 Adjustment of Number of Common Shares and Exercise Price 24 14 4.2 Entitlement to Common Shares on Exercise of Warrant 28 17 4.3 No Adjustment for Certain Transactions 28 17 4.4 Determination by Auditors 28 17 4.5 Proceedings Prior to any Action Requiring Adjustment 29 17 4.6 Certificate of Adjustment 29 17 4.7 Notice of Special Matters 29 18 4.8 No Action after Notice 29 18 4.9 Other Action 29 18 4.10 Protection of Warrant Agent 30 18 4.11 Other Adjustments 30 4.12 Participation by Warrantholder 3018