Knight Expands Global Capital Markets Team

JERSEY CITY, New Jersey and GREENWICH, Connecticut, June 10, 2010 - Knight Capital Group, Inc. (NYSE Euronext: KCG), today announced the
appointments of Mark C. Aitken, David A. Barcus and David Lessen, Ph.D. as
Managing Directors in Capital Markets, effective immediately.

"We continue to build out the Capital Markets team and overall client
offering at Knight, drawing on the firm's detailed knowledge of the debt and
equity markets," said Gary Katcher, Executive Vice President, Head of Global
Fixed Income at Knight Capital Group. "Knight has a large sales and trading
team across a broad range of products with an extensive client network
comprised of leading buy-side firms. We are selectively adding individuals
with deep experience raising capital for companies of all sizes."

Knight offers capital markets services to small- and mid-cap corporate
issuers as well as private companies. The Capital Markets team provides
capital structure advisory and transaction services, including equity and
debt offerings, private placements, restricted share programs, liability
management, equity buybacks and debt repurchases. Knight recently formed a
marketing alliance with international investment bank Houlihan Lokey to
combine world-class investment banking, capital markets, and sales and
trading services across debt and equity.

Mr. Aitken is responsible for managing the Capital Markets team in Europe
and is based in Knight's London office. Mr. Barcus leads High Yield Capital
Markets while Mr. Lessen directs Convertibles Capital Markets, both from the
Greenwich office.

Biographies

    Mark C. Aitken
    Managing Director
    Knight Capital Europe Limited

Mark Aitken is Managing Director, Head of Capital Markets in Europe.

Prior to joining Knight, Mr. Aitken spent six years at HBOS where he set
up the firm's corporate bonds business offering high yield and debt private
placement solutions to Bank of Scotland's private equity and mid-cap clients
in the U.K. and Continental Europe. Prior to HBOS, Mark was a Managing
Director and Head of High Yield Capital Markets at Dresdner Kleinwort Benson.
He built Dresdner's high yield platform, rapidly establishing it as one of
the leading European banks in that fledgling market. Before DRKB, Mark spent
fifteen years at a London-based affiliate of JP Morgan, Saudi International
Bank, where he was Head of Capital Markets with responsibility for all of the
firm's proprietary trading and investment activities. He received his initial
credit training through the Bank Management Program at JP Morgan in New York.

Mark has a bachelor of science in economics with first class honours from
the London School of Economics.

    David A. Barcus
    Managing Director
    Knight Libertas LLC

David Barcus is a Managing Director, Head of High Yield Capital Markets.

Mr. Barcus is a former Managing Director at MTN Capital Partners, where
he was responsible for originating and executing leveraged acquisition
transactions as a principal investor. Previously, David spent more than 16
years at BNP Paribas in various roles throughout BNP's Leveraged Finance and
High Yield businesses around the world including, Managing Director, Head of
High Yield Syndicate and Managing Director, Loan and High Yield Capital
Markets, North America. He has also held roles at The Bank of Nova Scotia,
Ehrlich Bober & Co. and Bear Stearns & Co. Inc.

David has a bachelor of science in engineering science with a
concentration in chemical engineering from Vanderbilt University and a master
of business administration from New York University.

    David Lessen, Ph.D.
    Managing Director
    Knight Libertas LLC

David Lessen, Ph.D. is a Managing Director, Head of Convertibles Capital
Markets.

Dr. Lessen is a former Managing Director, Head of Convertible Bond
Origination at BroadpointGleacher. Previously, David was with UBS Investment
Bank for nine years and was a Managing Director in the Global Healthcare,
Investment Banking Group where he led the group's convertible bond and equity
derivative origination activities. His prior experience includes roles at
Zurich Capital Markets, JP Morgan, Toronto Dominion Securities and Goldman
Sachs.

David received a bachelor of science in mechanical engineering, master of
engineering in aerospace engineering and master of business administration
from Cornell University in addition to a Ph.D. in theoretical and applied
mechanics from Rensselaer Polytechnic Institute.

About Knight

Knight Capital Group, Inc. (NYSE Euronext: KCG) is a global financial
services firm that provides market access and trade execution services across
multiple asset classes to buy- and sell-side firms. Knight's hybrid market
model features complementary electronic and voice trade execution services in
global equities and fixed income as well as foreign exchange, futures and
options. The firm is the leading source of liquidity in U.S. equities by
share volume. Knight also offers capital markets services to corporate
issuers. Knight is headquartered in Jersey City, NJ with a growing global
presence across North America, Europe and the Asia-Pacific region. For more
information, please go to www.knight.com.

Certain statements contained herein may constitute "forward-looking
statements" within the meaning of the Private Securities Litigation Reform
Act of 1995. These forward-looking statements are not historical facts and
are based on current expectations, estimates and projections about the
Company's industry, management's beliefs and certain assumptions made by
management, many of which, by their nature, are inherently uncertain and
beyond our control. Accordingly, readers are cautioned that any such
forward-looking statements are not guarantees of future performance and are
subject to certain risks, uncertainties and assumptions that are difficult to
predict including, without limitation, risks associated with changes in
market structure, legislative or regulatory rule changes, the costs,
integration, performance and operation of businesses recently acquired or
developed organically, or that may be acquired in the future, by the Company
and risks related to the costs and expenses associated with the Company's
exit from the Asset Management business. Since such statements involve risks
and uncertainties, the actual results and performance of the Company may turn
out to be materially different from the results expressed or implied by such
forward-looking statements. Given these uncertainties, readers are cautioned
not to place undue reliance on such forward-looking statements. Unless
otherwise required by law, the Company also disclaims any obligation to
update its view of any such risks or uncertainties or to announce publicly
the result of any revisions to the forward-looking statements made herein.
Readers should carefully review the risks and uncertainties disclosed in the
Company's reports with the U.S. Securities and Exchange Commission (SEC),
including, without limitation, those detailed under the headings "Certain
Factors Affecting Results of Operations" and "Risk Factors" in the Company's
Annual Report on Form 10-K for the year-ended December 31, 2009, "Risk
Factors" in the Company's Quarterly Report on Form 10-Q for the quarter-ended
March 31, 2010, and in other reports or documents the Company files with, or
furnishes to, the SEC from time to time. This information should also be read
in conjunction with the Company's Consolidated Financial Statements and the
Notes thereto contained in the Company's Annual Report on Form 10-K for the
year-ended December 31, 2009, and in other reports or documents the Company
files with, or furnishes to, the SEC from time to time.

Margaret Wyrwas, Senior Managing Director, Communications, Marketing & Investor Relations, +1-201-557-6954, mwyrwas at knight.com, or Kara Fitzsimmons, Director, Media Relations, +1-201-356-1523, kfitzsimmons at knight.com, or Jonathan Mairs, Vice President, Corporate Communications, +1-201-356-1529, jmairs at knight.com, all of Knight Capital Group, Inc.