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Other operating income mainly represents research and development tax credits.
Fees payable to KPMG LLP and their associates for non-audit services to the Company are not required to be disclosed because the consolidated financial statements are required to disclose such fees on a consolidated basis.
Details of the Group's policy on the use of the auditor for non-audit services, the reason why the auditor was used, and how the auditor's independence and objectivity were safeguarded are set out in the audit committee report on Audit committee report. No services were performed pursuant to contingent fee arrangements.