Wall Street Systems acquires Aleri Global Banking, a division of Aleri, Inc. - Acquisition strengthens Wallstreet’s leading position in back office trade processing a nd enables Aleri to focus exclusively on complex event processing London and New York, 29 April, 2008 – Wall Street Systems (Wallstreet), the global provider of treasury, trading and settlement solutions and services, has signed an agreement to acquire the assets of Aleri Global Banking (AGB), the wholesale banking division of Aleri, Inc. This acquisition, which derives from Aleri’s decision to exclusively focus on complex event processing (CEP), further demonstrates Wallstreet’s commitment to the back office space and Aleri’s commitment to CEP technology. Aleri Global Banking has more than 25 years heritage in providing mission critical, high availability, high performance transaction processing infrastructure to many of the world’s largest banks. AGB’s fully integrated, cross-asset transaction management solutions account for more than 10 trillion US dollars in transactions per month. Wallstreet solutions also have the capacity to handle high volumes, with its banking solutions processing up to half a million transactions valued at over 2 trillion US dollars each day.