Mr. Alexei N. Buyanov

b. 1969, elected to MTS’ Board of Directors in June 2003. Mr. Buyanov graduated from the Moscow Physical-Technical Institute (MFTI) in 1992 with a Degree in Applied Physics and Mathematics. Mr. Buyanov worked at Sistema from 1994 to 1995 in property management. In 1995, he was appointed Head of Department of Sistema-Invest and then became Vice-President of Sistema-Invest. Mr. Buyanov served as Vice-President of MTS from 1998 to 2002. In July 2002, Mr. Buyanov was appointed Vice-President of Sistema to run the department for financial restructuring. Since September 2002, Mr. Buyanov has served as Senior Vice-President of Sistema, heading the company’s financial and investment group.