The men, led by 85-year-old chairman Sir Peter Middleton, a former chair of Barclays, have held their quarterly board meetings at far-flung five-star hotels including Cobblers Cove in Barbados, the Four Seasons in Mexico City, the Cape Town Grace Hotel in South Africa and the Mumbai Taj Mahal, whose websites show rooms start at around £450 a night. Further destinations have included Toronto and Berlin.