JSC SITRONICS (“SITRONICS” or “the Company”) (LSE: SITR), a leading provider of telecommunications, information technology and microelectronic solutions in Russia and the CIS, today announces that the Board of Directors made the following changes to the Executive Board of the Company: Maria Yurgelas was included into the Executive Board instead of Vladimir Yasinsky. While retaining its position as General Director of “SITRONICS IT”, Maria Yurgelas will lead not only Russian business line, but also company’s office in Ukraine.

Also the Board of Directors approved the candidacy of Yevgeniy Maksimenko as vice-president of Sales for JSC SITRONICS.

SITRONICS is a leading provider of telecommunication solutions, including software, equipment and systems integration, IT solutions and microelectronic solutions in Russia and the Commonwealth of Independent States with a strong presence in Central and Eastern Europe and a growing presence in the Middle East and Africa.

SITRONICS serves over 3,500 clients, maintains offices in 30 countries and exports its products and services to more than 60 countries.

SITRONICS’ key Telecommunication Solutions operations are based in Moscow (Russia), Prague (Czech Republic) and Athens (Greece), while the company`s IT Solutions and Microelectronics divisions are based in Kiev (Ukraine) and Zelenograd (Russia), respectively.

SITRONICS generated revenues of US$ 1,166.9 million in 2010 and had US$ 2,013.3 million of assets at the end of the year. SITRONICS is majority owned by OJSC RTI, which is the subsidiary of Sistema, the largest public diversified corporation in Russia and the CIS.