Swiss bank UBS Chairman of the Board of Directors Marcel Ospel looks on as he attends the extraordinary general meeting of the bank in Basel February 27, 2008. UBS Chairman Marcel Ospel, braving investor fury over huge subprime losses, said it was "absolutely necessary" for shareholders to back a 13 billion Swiss franc ($11.94 billion) capital injection from Singapore and an unidentified Middle East investor. REUTERS/Pascal Lauener (SWITZERLAND)