New date for Annual General Meeting in Orc Software

Stockholm, SWEDEN, Thursday, February 11, 2010 – The Board of Director´s of Orc Software AB (publ.) has decided to advance the date of the Annual General Meeting 2010 to Wednesday, April 14, 2010, 4 p.m. CEST. The Annual General Meeting will be held at Orc Software AB´s office, Kungsgatan 36, 5th floor, in Stockholm, Sweden.

About Orc Software Orc Software (SSE: ORC) is the leading global provider of powerful solutions for the worldwide financial industry in the critical areas of advanced trading and low latency connectivity. Orc’s competitive edge lies in its depth of knowledge of the derivatives trading world gained by deploying advanced solutions for sophisticated traders for over 20 years. Orc Trading and Orc Connect provide the tools for making the best trading and connectivity decisions with strong analytics, unmatched market access, powerful automated trading functionality, high performance futures and options trading capabilities, ultra-low latency and risk management. Orc’s customers include leading banks, trading and market-making firms, exchanges, brokerage houses, institutional investors and hedge funds. Orc provides sales and quality support services from its offices across EMEA, Americas and Asia Pacific. www.orcsoftware.com For further information, please contact: Orc Software, Investor Relations, tel +46 8-506 477 00, ir@orcsoftware.com