NYFIX Selects Shadow Financial's ShadowSuite Back-Office Solution to Complement Euro Millennium

London and New York - 14 November 2007

NYFIX Inc. (Pink Sheets: NYFX) a trusted provider of innovative solutions that optimise trading efficiency, announced today that its subsidiary, NYFIX International Limited, has selected ShadowSuite® as the back-office solution for Euro Millennium™. Euro Millennium is a neutral dark pool of liquidity providing rapid, anonymous matching for equity trading in European markets and is scheduled for launch in Q1 2008.

Shadow Financial Systems’ ShadowSuite is a highly scalable, installed software solution for mid-office, back-office, treasury and accounting, that provides multi-currency, real-time exception-based handling of all asset classes and transaction types. NYFIX will leverage ShadowSuite’s deep functionality, on-demand data access and delivery, and global support.

“We selected Shadow Financial to help us deploy an efficient and flexible back-office service that will offer our clients a fully automated STP solution,” stated Paul Kelly, Head of Sales and Client Operations and Director of NYFIX International Limited.

“We welcome NYFIX as they join our growing list of clients who are realizing the many benefits of running their back-office on ShadowSuite,” said Don Marino, CEO of Shadow Financial. “Our ability to seamlessly process trades cross markets and currencies and to scale to millions of trades per day fits very nicely with NYFIX’s strategy for Euro Millennium.”

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