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              [html]<thead><tr><td>Non - GAAP measure</td><td>Why we use it</td><td>How we calculate it</td><td>Most comparableIFRS financial measure</td></tr></thead><tbody><tr><td>Adjusted operating profit or loss and related margin</td><td>• To evaluate the performance of turiesses, and when making decisions aloud the organisting operations of the busness and our ability to generate can from.• To access and any the performance of the but not allows and to assessment of the pat</td><td>Operating income astit back : depreciation and amortization, impairment of assets, stock - based compensation expense ( recovery ) and restructuring, acquisition and other expenses</td><td>Operating income</td></tr><tr><td>Adjusted net incomeAdjusted basic and</td><td>▪ To assess the performance of our buineses before the effects of these items, because they affect the comparability of our financial results and could potentially distort the analysis of trends in business performance.▪ Escluding thes</td><td>Net income from continuing operations ( increased ) stroke, stroke, based compensation expense ( recovery ), restructuring, acquisition and other experses, impairment of assets, gain on spectrum distribution, gain or sale of these in</td><td>Net income Earnings per share</td></tr><tr><td>Table</td><td>• An important indicator of our frinancial strength and performance because it shows how much cash we have available to repay didt and reinvest in our company.• We believe that some investors and analysis use free cash flow to value a burine</td><td>Adjusted operating profit minus spending on property, plant and equipment, interest on long - term debt net of interest capitalized</td><td>Cash flows from operating activities</td></tr><tr><td>Adjusted net debt</td><td>▪ To conduct valuation - related analysis and make decisions about capital structure. ▪ We believe this helps investors and analysis analyze our enterprise and equity value and assess various leverage ratios as performance measures.</td><td>Total long - term debtPAscurrent portion of long - term debt, net Debt Denuatives liabilities, deferred transaction costs, short - term borrowings, minus cash and cash equivalents.</td><td>Long - term debt</td></tr></tbody>
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