I.A.R Systems Group — Regulatory Filings 2011

May 24, 2011

Press Release

May 24, 2011

IAR Systems' ticker symbol is IAR on NASDAQ OMX Stockholm

Intoi AB has now changed its name to IAR Systems Group AB. As of Thursday May 26, shares in IAR Systems Group AB will trade on NASDAQ OMX Stockholm under the new ticker symbol IAR. The new name reflects the company's focus on IAR Systems.

"IAR Systems is the world's leading provider of software for programming of chip in embedded systems," says Stefan Skarin CEO of IAR Systems. "Over 14 000 companies use our software to develop new competitive products in many different industries worldwide. In local currency, we grew by 13% in 2010 and by 18% during the first quarter of 2011. As a focused listed company, we are now increasing the tempo for continued growth and improved profitability."

IAR Systems contacts:

Stefan Skarin, CEO IAR Systems Group AB Tel: +46 70 865 10 05 E-mail: Stefan.skarin@iar.com Fredrik Medin, Marketing Director, IAR Systems Tel: +46 18 16 78 00 E-mail: fredrik.medin@iar.com

IAR Systems Group AB discloses the information provided herein pursuant to the Securities Markets Act and/or the Financial Instruments Trading Act.

About IAR Systems Group

IAR Systems is the world's leading supplier of software tools for programming of chip in embedded systems. The software enables over 14 000 large and small companies to develop premium products based on 8-, 16-, and 32-bit microcontrollers, mainly in the areas of industrial automation, medical devices, consumer electronics, telecommunication and automotive products. IAR Systems has an extensive network of partners and cooperates with the world's leading semiconductor vendors. IAR Systems Group AB is listed on NASDAQ OMX Stockholm. For more information, please visit www.iarsystemsgroup.com.

IAR Systems Group AB (publ) | Kista Science Tower | 164 51 Kista | Tel: +46 8 41092000 | Corp identity nr 556400-7200