Core Points - The Financial Reporting Council (FRC) has initiated a formal inquiry into Ernst & Young (EY) regarding compliance with UK audit partner rotation requirements during the audit of Shell's financial statements for the year ending December 31, 2024 [1][3] - The investigation will evaluate adherence to regulations concerning the duration of service for lead audit partners, as Shell reported issues with compliance to the London Stock Exchange in July 2025 [1][2] - EY has acknowledged that the time limits for partner rotation, as per the FRC's Revised Ethical Standard, were exceeded, leading Shell to amend its annual reports for 2023 and 2024, although the underlying financial statements will remain unchanged [2][4] Group 1 - The FRC's inquiry was confirmed during a Conduct Committee meeting on October 21, 2025, and will be conducted in accordance with the Audit Enforcement Procedure [3] - EY communicated to Shell that the US audit opinions for 2023 and 2024 should not be relied upon, prompting a reassignment of responsibilities and the reissuance of these audit opinions [3] - EY reported the exceeded time limitations to the FRC, indicating a proactive approach to compliance issues [4]