MarketAxess Specifies Tax Treatment for 2012 Dividends

  MarketAxess Specifies Tax Treatment for 2012 Dividends

Business Wire

NEW YORK -- February 25, 2013

MarketAxess Holdings Inc. (Nasdaq: MKTX), the operator of a leading electronic
trading platform for U.S. and European corporate bonds, emerging markets bonds
and other types of fixed-income securities, announces the tax treatment for
its 2012 dividends. MarketAxess paidan aggregate of $0.44 per share in
quarterly dividends on its common stockduring 2012 and a special cash
dividend of $1.30 per share in December 2012. For United States federal income
tax-reporting purposes, the Company reported 49% of the 2012 dividends asa
distribution in excess of the Company's earnings and profits.

Distributions in excess of earnings and profits are generally treated as a
return of capital to the extent of astockholder’s basis inhis or her shares.
Accordingly, these non-taxable distributions reduce that tax basis. Once a
stockholder’s basis is reduced to zero,these distributions generally will be
taxed as capital gains.

While the above information includes general statements about the tax
classification of dividends paid on MarketAxess common stock, these statements
do not constitute tax advice. The taxation of corporate distributions can be
complex, and stockholders areencouraged to consult theirown tax advisers to
determine what impact the above information may have on their specific tax

For further information please visit the Investor relations section of our
website at:

About MarketAxess

MarketAxess operates a leading electronic trading platform that enables
fixed-income market participants to efficiently trade corporate bonds and
other types of fixed-income instruments using MarketAxess’ patented trading
technology. Over 1,000 investor and broker-dealer firms are active users of
the MarketAxess trading platform, accessing global liquidity in U.S.
high-grade corporate bonds, European bonds, high yield and emerging markets
bonds, agency bonds, asset-backed and preferred securities and credit default
swaps. MarketAxess also offers a number of trading-related products and
services, including: market data to assist clients with trading decisions;
connectivity solutions that facilitate straight-through processing; technology
services to optimize trading environments; and execution services for
exchange-traded fund managers and other clients.

MarketAxess maintains its headquarters in New York and has offices in London,
Chicago, Salt Lake City, Hong Kong, Singapore and São Paulo. For more
information, please


Investor Relations:
MarketAxess Holdings Inc.
Tony DeLise, +1-212-813-6017
Media Relations:
MarketAxess Holdings Inc.
Florencia Panizza, +1-212-813-6029
William McBride & Associates
William McBride, +1-917-239-6726
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