Neuren Pharmaceuticals Annual Report 2022

I NDEPENDENT AU - D I TOR ’ S REPORT Grant Thornton New Zealand Audit Limited L4, Grant Thornton House 152 Fanshawe Street PO Box 1961 Auckland 1140 T +64 (09) 308 2570 www.grantthornton.co.nz Chartered Accountants and Business Advisers Member of Grant Thornton International Ltd. To the Shareholders of Neuren Pharmaceuticals Limited Report on the Audit of the Consolidated Financial Statements Opinion We have audited the consolidated financial statements of Neuren Pharmaceuticals Limited (the “Company”) and its subsidiaries (the “Group”) on pages 26 to 44 which comprise the consolidated statement of financial position as at 31 December 2022, and the consolidated statement of comprehensive income, consolidated statement of changes in equity and consolidated statement of cash flows for the year then ended, and notes to the consolidated financial statements, including a summary of significant accounting policies. In our opinion, the accompanying consolidated financial statements present fairly, in all material respects, the financial position of the Group as at 31 December 2022 and of its financial performance and cash flows for the year then ended in accordance with the New Zealand equivalents to International Financial Reporting Standards (“NZ IFRS”) issued by the New Zealand Accounting Standards Board. Basis for Opinion We conducted our audit in accordance with International Standards on Auditing (New Zealand) (ISAs (NZ)) issued by the New Zealand Auditing and Assurance Standards Board. Our responsibilities under those standards are further described in the Auditor’s Responsibilities for the Audit of the Consolidated Financial Statements section of our report. We are independent of the Group in accordance with Professional and Ethical Standard 1 International Code of Ethics for Assurance Practitioners (including International Independence Standards) (New Zealand) issued by the New Zealand Auditing and Assurance Standards Board and the International Ethics Standards Board for Accountants’ International Code of Ethics for Professional Accountants (including International Independence Standards) (IESBA Code, and we have fulfilled our other ethical responsibilities in accordance with these requirements and the IESBA Code. We believe that the audit evidence we have obtained is sufficient and appropriate to provide a basis for our opinion. Other than in our capacity as auditor we have no relationship with, or interests in, the Group. Key Audit Matters Key audit matters are those matters that, in our professional judgement, were of most significance in our audit of the consolidated financial statements of the current year. These matters were addressed in the context of our audit of the consolidated financial statements as a whole, and in forming our opinion thereon, and we do not provide a separate opinion on these matters. Why the audit matter is significant How our audit addressed the key audit matter Share Based Payments During the year ended 31 December 2022, the Group issued share options to key employees and contractors, which have been accounted for as share based payments under IFRS 2: Share-Based Payments. Share-based payments are a complex accounting area including assumptions utilised in the fair value calculations Our procedures in relation to management’s valuation include:  Evaluating management’s assessment of the valuation and recognition of the options.  Obtaining an understanding of the key terms and conditions of the share options by reviewing the relevant agreements. Independent Auditor’s Report Neuren Pharmaceuticals Limited Annual Repor t 2022 45

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