Investor Presentation

Reconciliation of Non-IFRS Financial Measures Reconciliation of Net Earnings to Adjusted Net Earnings LTM Q1-23 2022 2021 2020 2019 2018 (In thousands of dollars, except for per share amounts) Net Earnings Adjustments, net of income taxes Asset impairment 31,631 28,436 15,752 7,495 7,088 (4,793) Restructuring expense (recovery) New facility start-up costs Expense for contingent remuneration related to business combination 1,535 2,051 16,137 1,137 1,043 1,359 (92) 902 246 1,623 Acquisition costs related to business combinations 538 407 122 72 42 Value adjustment on acquired inventory through a business combination 144 94 411 Adjusted Net Earnings 33,450 29,980 17,409 11,388 7,038 14,115 Weighted average number of shares 26,056 26,153 27,195 28,061 28,198 28,346 Net earnings per share 1.22 1.09 0.58 0.27 0.25 (0.17) Adjustments, net of income taxes, in dollar per share 0.07 0.06 0.06 0.14 0.67 Adjusted Net Earnings per share 1.29 1.15 0.64 0.41 0.25 0.50 54 54

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