Kahamelo Forensic Services (mandated by the board of directors) conducted numerous forensic investigations into whether an anonymous internal disclosure (whistleblower disclosure) relating to alleged misconduct at Glencore Operations South Africa represent mismanagement, poor corporate governance, or points to the existence of fraud or other illicit activities at Glencore Operations South Africa. Mr. Ferreira testified as an expert witness in the relevant disciplinary hearings that arose from the investigations.