Stamford, CT - November 24, 2003: NYFIX, Inc. (NASDAQ: NYFX) today announced it has deployed FIX (Financial Information eXchange) connectivity access for routing OTC orders to the American Stock Exchange (Amex), the nation's second largest floor-based exchange.

All NYFIX trading applications and the NYFIX Network are enabled to seamlessly route OTC stocks to the Amex and are ready to support the pilot launch of certain Nasdaq Unlisted Trading Privileges (UTP) issues.

NYFIX, Inc. through its subsidiaries and affiliate provides electronic trading technology infrastructure and execution services to brokerage firms and institutional investors. NYFIX products and services automate trading workflows by streamlining data entry and seamlessly integrate electronic order and execution handling. NYFIX offers a complete electronic desktop order management solution, stationary and wireless handheld exchange floor technology; FIX (Financial Information eXchange Protocol) messaging and monitoring tools and a high volume trade execution platform. Its products deliver straight through processing ("STP") for front, middle and back office trade transaction processing. NYFIX maintains multiple data centers and an extensive network of electronic circuits that link industry participants for electronic trade communication and provides access to the global equities and derivatives financial markets.

NYFIX, a pioneer in the FIX-based solutions offers a FIX-compliant product suite. NYFIX's core technology, which includes equity solutions for listed and over-the-counter markets, derivatives and future products and Javelin's Appia and Instant Integrator products, are complemented by NYFIX's broker-dealer operations, which offers its NYFIX Millennium ATS and trade execution services. Headquartered in Stamford, Connecticut, NYFIX has additional offices in New York City, Chicago, San Francisco, London and Madrid. For more information, please visit www.nyfix.com and www.javtech.com.

The American Stock Exchange® (Amex®) is the only primary exchange that offers trading across a full range of equities, options and exchange traded funds (ETFs), including structured products and HOLDRSsm. In addition to its role as a national equities market, the Amex is the pioneer of the ETF, responsible for bringing the first domestic product to market in 1993. Leading the industry in ETF listings, the Amex lists 126 ETFs. The Amex is also one of the largest options exchanges in the U.S., trading options on broad-based and sector indexes as well as domestic and foreign stocks

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