Liquidnet Announces Trading Statistics for March 2009

NEW YORK - Liquidnet, the global institutional marketplace, today announced monthly and year-to-date trading statistics for U.S. and international equities.

Current Month* Mar-09 Mar-08 Change Total U.S. trading volume (shares in thousands)(1) 1,409,421 1,331,751 5.8% Total U.S. trading days 22 20 2 days Average daily U.S. trading volume (shares in thousands) 64,065 66,587 (3.8)% Average daily U.S. natural liquidity (shares in thousands) 2,125,981 2,392,599 (11.1)% Average U.S. execution size in shares(2) 50,852 54,642 (6.9)% Total international principal traded ($USD in thousands) $5,987,207 $7,428,707 (19.4)% Total foreign exchange adjusted international principal traded ($USD in thousands)(3) $8,331,222 $7,428,707 12.1% Year-to-Date* Mar-09 Mar-08 Change Total U.S. trading volume (shares in thousands)(1) 3,973,941 4,939,725 (19.6)% Total U.S. trading days 61 61 - Average daily U.S. trading volume (shares in thousands) 65,147 80,979 (19.6)% Average daily U.S. natural liquidity (shares in thousands) 2,099,560 2,447,166 (14.2)% Average U.S. execution size in shares(2) 53,487 56,258 (4.9)% Total international principal traded ($USD in thousands) $17,218,657 $24,371,546 (29.4)% Total foreign exchange adjusted international principal traded ($USD in thousands)(3) $23,316,261 $24,371,546 (4.3)%

A registration statement relating to the Class A Common Stock of Liquidnet Holdings, Inc. has been filed with the SEC, but has not yet become effective. The Class A Common Stock of Liquidnet Holdings, Inc. may not be sold nor may offers to buy be accepted prior to the time that the registration statement becomes effective. This press release shall not constitute an offer to sell or the solicitation of an offer to buy, nor shall there be any sale of these securities in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction.

About Liquidnet

Liquidnet is the world’s institutional marketplace that facilitates institutional equities trading for institutional investors worldwide. By giving buy-side traders a first look at a global natural liquidity pool of more than 9.2 billion shares (US$67.9 billion in principal) per day of liquidity on average, Liquidnet consolidates and delivers the institutional equities market directly to the desktops of more than 573 buy-side trading firms (for the quarter ended December 31, 2008.) Institutional investors use the Liquidnet marketplace to enhance the quality and speed of trade execution, gain price improvement for their trades, and, ultimately, lower overall trading costs. Launched in 2001, Liquidnet now trades in 29 equity markets across five continents. Liquidnet is headquartered in New York with offices in London, Toronto, Tokyo, Hong Kong, Sydney and Singapore. Additional company information is available online at www.liquidnet.com.

(c) 2009 Liquidnet Holdings, Inc. and its subsidiaries. Liquidnet, Inc. is a member of FINRA/SIPC. Liquidnet Europe Limited is regulated by the U.K. Financial Services Authority and is a member of the London Stock Exchange. Liquidnet Canada Inc. is a member of IIROC and a member of CIPF. Liquidnet Asia Limited is regulated by the Hong Kong Securities and Futures Commission as a licensed dealer and a provider of automated trading services pursuant to the Securities and Futures Ordinance and is regulated by the Monetary Authority of Singapore as a Recognised Market Operator. Liquidnet Japan Inc. is regulated by the Financial Services Agency of Japan and is a member of JSDA/JIPF. Liquidnet Australia Pty Ltd. is a licensed corporation under the Corporations Act of Australia, AFSL number 312525.

(1) Consists of shares of U.S. equity securities executed in our negotiation and Liquidnet H2O(R) ATSs and third-party execution venues. (2) For manually negotiated trades via our negotiation product. (3) Amounts adjusted to reflect foreign exchange rates for the same period from 2008.

* Historical numbers may be subject to revision.

Source: Liquidnet

Tom Gibbons, Liquidnet Corporate Communications, +1-646-660-8067, tgibbons at liquidnet.com