Moscow, Russia – April 28, 2011 – Sistema (the “Company”) (LSE: SSA), the largest diversified public financial corporation in Russia and the CIS, today announced that its Annual Report for 2010 which includes the audited US GAAP financial statements for the financial year ended December 31, 2010, has been filed and is available on the Company’s website at https://www.sistema.com/company/reports/.