Barclays was fined $ 450 million last week by British and UK regulators . Both Diamond and Agius are expected to appear before a UK parliamentary committee later this week to face questions about the saga . Bank admitted some of its trading desks deliberately under-reported interbank interest rates . Chairman Bob Diamond says he will step down when a replacement is found . Agius and CEO Marcus Agius face questions from UK lawmakers .
Barclays was fined $ 450 million last week by British and UK regulators . Bank admitted some of its trading desks deliberately under-reported interbank interest rates . Chairman Bob Diamond says he will step down when a replacement is found . Agius and CEO Marcus Agius face questions from UK lawmakers .