MarketAxess Holdings Inc. (Nasdaq: MKTX), the operator of a leading electronic trading platform for U.S. and European high-grade corporate bonds, emerging markets bonds and other types of fixed-income securities, today announced results for the first quarter ended March 31, 2012. “Our record results in the first quarter were driven by strong credit market trading conditions and increases in market share across many of our product areas,” said Richard M. McVey, chairman and chief executive officer of MarketAxess. “The demand for electronic trading solutions in fixed income markets is growing to address the liquidity challenges created by the new regulatory environment. We continue to invest actively in technology solutions for bond and CDS trading in order to improve secondary market liquidity and efficiency.” First Quarter Results Total revenues for the first quarter of 2012 increased 16.3% to a record $50.7 million, compared to $43.6 million for the first quarter of 2011. Pre-tax income was a record $22.7 million, compared to $17.7 million for the first quarter of 2011, an increase of 28.8%. Pre-tax margin was 44.8%, compared to 40.5% for the first quarter of 2011. Net income totaled $13.5 million, or $0.35 per share on a diluted basis, compared to $10.8 million, or $0.27 per share on a diluted basis, for the first quarter of 2011. Commission revenue for the first quarter of 2012 totaled $44.9 million on total trading volume of $158.0 billion, compared to $37.8 million in commission revenue on total trading volume of $135.2 billion for the first quarter of 2011. U.S. high-grade trading volume as a percentage of FINRA’s high-grade TRACE trading volume increased to an estimated 11.4%, compared to an estimated 9.9% for the first quarter of 2011. All other revenue, which consists of technology products and services, information and user access fees, investment income and other revenue, remained unchanged at $5.8 million, compared to the first quarter of 2011.