Derichebourg // 2020-2021 Universal Registration Document

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Financial and accounting information Consolidated financial statements at September 30, 2021 Accounting policies, rules and methods

Judgments In preparing the financial statements for the period ending September 30, 2021, there were no particular situations for which management was called upon to exercise specific judgment. Estimates Key estimates regarding future events and other major sources of uncertainty at the closing date are: assessment of the recoverability of trade receivables (see note 4.7 – Trade receivables, other receivables and current financial assets), exposure to credit risk, as well as the risk profile; provisions for risks and for employee benefits (see note 4.13 – Non-current provisions and provisions for employee benefits obligations, and note 4.14 – Current provisions); income tax and assessment of deferred tax assets (see note 4.23 – Income tax); potential impairment of goodwill and intangible assets (see note 4.1 – Intangible assets and goodwill). With regard to IFRS 16, the Group has adopted the assumptions made at the time of the first application to the financial statements on September 30, 2020. 2.2.3 Non-controlling interests are presented separately from the Group shareholders’ equity on the balance sheet. When the share of the non-controlling interests in the losses of a fully consolidated Group company is more than their share in equity, the excess, and any further losses applicable to the non-controlling interests, are allocated against the majority interests, unless the minority shareholders have a binding obligation to cover these losses. companies and firms In most cases, the functional currency of the Group’s foreign companies and firms is the same as their local currency. The financial statements of foreign companies prepared in a currency different from that of the Group consolidated financial statements are translated in accordance with the “closing rate” method. Their balance sheets are translated at the exchange rates applicable on the closing date and their income statements are translated at the average rate for the period. The resulting translation differences are recognized as translation differences in consolidated reserves. Goodwill relating to foreign companies is considered as being part of the acquired assets and liabilities and, as such, is translated at the rate of exchange in effect on the closing date. Non-controlling interests Translation of the financial statements of foreign 2.2.4

A loan to a foreign subsidiary, the settlement of which is neither planned nor probable in the foreseeable future, constitutes part of the Group’s net investment in this foreign subsidiary. Translation differences arising from a monetary item that forms part of a net investment are recorded directly in other comprehensive income under currency translation reserves and recognized in income on disposal of the net investment. 2.2.5 Transactions denominated in foreign currencies are converted into euros at the exchange rate in effect on the transaction date. At year-end, trade receivable and payable accounts denominated in a foreign currency are converted into euros at the year-end exchange rate. The resulting gains and losses are recognized in the income statement for the year. 2.3.1 Consolidated revenue represents, for Business Services, the amount of services invoiced to customers outside the Group when the services are supplied. For Environmental Services, revenue is recognized when control of the products manufactured is transferred, usually upon shipping. It includes, after elimination of intra-Group transactions, the revenue of fully consolidated companies. 2.3.2 In accordance with IAS 12, deferred taxes are recognized on the temporary differences between the carrying amounts of assets and liabilities and their tax base. In accordance with the liability method, they are calculated based on the expected tax rate for the period when the carrying amount of the asset or liability is recovered or settled. The effects of changes in tax rates from one period to another are recognized in the income statement or in equity, according to the symmetry principle, for the period during which the change occurred. Deferred taxes relating to items recognized directly in shareholders’ equity are also recognized in shareholders’ equity. Deferred tax assets resulting from temporary differences, tax losses and tax credits carried forward are limited to the estimated amount of tax recoverable. This is evaluated at year-end, based on the profit forecasts of the tax entities concerned. Deferred tax assets and liabilities are not discounted. 2.3.3 Basic earnings per share are defined as the Group share of net income, divided by the weighted average number of shares outstanding during the year, after deduction of own shares. Transactions denominated in foreign currencies Valuation rules and methods Income from ordinary activities (revenue) 2.3 Deferred taxes Earnings per share

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