DATED 26 October 2012 Euroclear S.A./N.V. and MarketAxess Holdings Inc. SHARE PURCHASE AGREEMENT relating to the sale and purchase of shares in Xtrakter Limited Slaughter and May One Bunhill Row London EC1Y 8YY (RCS/JAYE)Share Purchase Agreement • November 2nd, 2012 • Marketaxess Holdings Inc • Security brokers, dealers & flotation companies
