ABBEY NATIONAL SELECTS WALL STREET SYSTEMS

New York and London, April 8, 2003 - Wall Street Systems, Inc., a leading
provider of global treasury and capital markets solutions and services, today announced that Abbey National plc, Britain's sixth largest bank, will install The Wall Street System® treasury engine as its short term money markets platform. The agreement was signed on 17 March 2003.

The project is for the Short Term Markets function within Abbey National's
Treasury Services, based in its new London head office. The company has
licensed several front and back office modules of The Wall Street System®
treasury engine as well as the Application Programming Interface (API) library. The project also includes front-office operations in Stamford, Connecticut, which will use The Wall Street System® treasury engine as a satellite of the London-based implementation.

Nathan Bostock, Head of Treasury Services and Portfolio Business Unit, Abbey
National, said: "Abbey National is committed to improving efficiency in all
areas of its operations. The implementation of The Wall Street System within
Short Term Markets is a key step towards achieving this in Treasury
Services."

Steve Middlehurst, Chief Operating Officer of Wall Street Systems, added:
"This is a significant sale of The Wall Street System® treasury engine for a
prestigious project at a major bank. I am delighted that Abbey National has
decided in favour of our solution, and all my team here is looking forward
to working with Abbey National both during the implementation and for many
years afterwards. We warmly welcome them as our latest client."

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