11MA Y200821003538 10JUN200812150327 P ro F orma R evenue Segmentation for the T welve Months Ended March 31, 2008 Manuf acturing 5.5% Surf ace (Domestic) 27.7% Surf ace (Inter national) 12.1% Under g round 54.7% The Company has established a low-cost operation, even with a substantial amount of specialized drilling, allowing it to achieve a gross margin of approximately 33.8% for the twelve month period ended March 31, 2008 (on a pro forma basis). The Company’s vertical integration and low-cost operation, driven by a combination of organic growth and acquisitions, have been key factors in allowing it to grow revenue and Normalized EBITD A, as reflected in the following chart, from approximately $61.3 million and $16.7 million, respectively, for the twelve month period ended March 31, 2007 (on a pro forma basis) to approximately $75.6 million and $21.7 million, respectively, for the twelve month period ended March 31, 2008 (on a pro forma basis). This represents increases in revenue of approximately 23% and Normalized EBITD A of approximately 30%. Management believes that the Company’s lean management and overhead structure also place it in the attractive position of being able to maintain and grow market share in an environment of lower commodity prices. Financial Statistics $20.3 $25.5 $16.7 $21.7 $61.3 $75.6 $0 $15 $30 $45 $60 $75 $90 Re v e nue G ross Prof it Nor malized EBITD A (1) C$ Millions L T M ended March 31, 2008 12 months ended March 31, 2007 (on a pro for ma basis) Note: (1) Normalized EBITD A is not a financial or earnings measure recognized by G A AP . Therefore it may not be comparable to similar measures presented by other issuers, including other issuers that operate in the same business as Orbit Garant and it should not be construed as an alternative to net income, determined in accordance with G A AP , as an indicator of performance of the cash flows from operating, investing and financing activities or as a measure of liquidity and funds from operations. See ‘‘Non-G A AP Measures’’. F or a reconciliation of Normalized EBITD A to net earnings see ‘‘R econciliation of Historical R esults to EBT , EBITD A and Normalized EBITD A ’’ included in the ‘‘Selected Financial Information’’ section of this prospectus. History Orbit Garant is the result of the combination of two Qu ? ebec-based drilling service providers, Garant and Orbit. P rior to their combination on January 31, 2007, Garant focused exclusively on underground drilling, while Orbit generated revenue from both underground drilling operation (approximately 39% in fiscal 2007) and its 29