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Portuguese oil company Galp Energia said on Tuesday that Chief Executive Filipe Silva had resigned following a company investigation into an anonymous complaint about an alleged personal relationship between him and a company manager.

Company statement late on Tuesday cites ‘family reason’ for resignation, while local media has reported of alleged investigation into Silva’s relationships with staff

The resignation comes as Galp's ethics committee probes an anonymous tip about an alleged personal relationship between Filipe Silva and a manager at the company.

Galp Energia SGPS SA’s ethics committee is investigating an anonymous tip about an alleged personal relationship between Chief Executive Officer Filipe Silva and a manager at the Portuguese oil company,

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