Investor Presentation UBS conference “Russia: Energizing the World” September 2006

1. Investor Presentation UBS conference “Russia: Energizing the World” September 2006

2. Safe Harbor Statement • This presentation is strictly confidential to the recipient, may not be distributed to the press or any other person, and may not be reproduced in any form. Failure to comply with this restriction may constitute a violation of applicable securities laws. • This presentation does not constitute or form part of and should not be construed as, an offer to sell or issue or the solicitation of an offer to buy or acquire securities of JSC Comstar United TeleSystems (“Comstar UTS”) or any of its subsidiaries in any jurisdiction or an inducement to enter into investment activity. No part of this presentation, nor the fact of its distribution, should form the basis of, or be relied on in connection with, any contract or commitment or investment decision whatsoever. • The presentation is not an offer of securities for sale in the United States. Securities may not be offered or sold in the United States absent registration or an exemption from registration. Comstar UTS has not registered and does not intend to register any portion of the Offering in the United States of America or to conduct a public offering of any securities in the United States of America. • Matters discussed in this presentation may constitute forward-looking statements. Forward-looking statements include statements concerning plans, objectives, goals, strategies, future events revenues or performance, and underlying assumptions and other statements, which are other than statements of historical facts. The words “believe,” “expect,” “anticipate,” “intends,” “estimate,” “forecast,” “predict”, “could”, plan”, “project,” “will,” “may,” “should” and similar expressions identify forward-looking statements. Forward-looking statements include statements regarding: strategies, outlook and growth prospects; future plans and potential for future growth; liquidity, capital resources and capital expenditures, financing needs, plans or intentions relating to acquisitions, our competitive strengths and weaknesses, growth in demand for our products; economic outlook and industry trends; developments of our markets; legal trends and the impact of regulatory initiatives; and the strength of our competitors. • The forward-looking statements in this presentation are based upon various assumptions, many of which are based, in turn, upon further assumptions, including without limitation, management's examination of historical operating trends, data contained in our records and other data available from third parties. Although we believe that these assumptions were reasonable when made, these assumptions are inherently subject to significant uncertainties and contingencies which are difficult or impossible to predict and are beyond our control and we may not achieve or accomplish these expectations, beliefs or projections. In addition, important factors that, in our view, could cause actual results to differ materially from those discussed in the forward-looking statements include the achievement of the anticipated levels of revenues, profitability and growth, cost and synergy of our recent acquisitions and restructuring, the timely development and acceptance of new products, the impact of competition and competitive pricing, the ability to obtain necessary regulatory approvals and the ability to fund our future operations and capital needs through borrowing or otherwise, the ability to successfully implement any of our business strategies, the ability to integrate our business and to realise anticipated cost savings and operational benefits from such integration, our expectations about growth in demand for our products and services, the effects of inflation, interest rate and exchange rate fluctuations, and our success in identifying other risk to our business and managing the risk of the aforementioned factors, the condition of the economy and political stability in Russia and the other markets of operations and the impact of general business and global economic conditions. • Neither we, nor any of our respective agents, employees or advisors intend or have any duty or obligation to supplement, amend, update or revise any of the forward-looking statements contained in this presentation. The information and opinions contained in this presentation are provided as at the date of this presentation and are subject to change without notice. All information not separately sourced is from Comstar UTS data.

3. Eric Franke - Profile • Over 20 years of telecommunications experience • First Vice President of MTS 2005 – 2006 • General Director of UMC 2001- 2005 • Chief Operations Officer in Russia and Ukraine (1998) and President of mobile division (1999-2001) of  GTS (later renamed Golden Telecom) • Vice President of Ericsson in Russia and the CIS 1994-1998 • Strategic review to be completed by October 2006 and announced with the 1st half 2006 results in the beginning of October. To be followed by a road show

4. Our Profile • A uniquely balanced business with leading position in each of its chosen markets • Synergies between an incumbent operator, alternative operator and residential broadband and TV business in Moscow and Moscow region • Controls access to the last mile to 3.62 million Moscow households through incumbent operator MGTS • Established corporate business with 32 thousand customers in Moscow • Asset consolidator in the regions

5. Our History 2005: Launch of Stream TV; Restructuring of Comstar 2002: Comstar launches NGN 1993: MTU-Intel established 1882: MGTS Established 2000: MTU-Intel launches corporate broadband 1882 2005 1989 2000 1995 1993 2002 2003 2001 2003: MTU-Intel launches residential broadband 2001: Comstar launches ADSL 1995: Sistema acquires shares of MGTS during privatization 1989: Comstar UTS established

6. A Unique Portfolio of Customers, Services and Infrastructure… Services Key advantages Voice Data transmission Internet TV Comstar-UTS • A broad range of services • Diversified service platform • Tailor made solutions for clients • Individual approach to client MTU-Intel • Access to the incumbent’s “last mile” • Large market share compared to competition MGTS • Significant infrastructure for further development • Long standing relationships with residential customer base  • Established relationship with telecom operators Operators Corporate clients Small- and medium-size enterprises Clients High-end housing residential Mass market Moscow Russia Markets CIS Comstar- the central brand of fixed line group

7. … and Leading Market Shares in Every Market Segment Moscow Share of Lines (2005) Moscow Telecom Market Share (Sales, 2005) Alternative Operators 32% Others28% 10.4% CentralTelegraph 11% 30% 68% Golden Telecom23% 18.2% Equant 8% Others¹31.2% Total: 6.2m Lines 28.6% Source: Direct INFO Moscow Broadband Segment Residential (Subscribers, 2005)3 Rostelecom19.5% Golden Telecom14.3% HomeNetworks/Others50.1% Equant, Central Telegraph, Corbina 6.4% 41.0% AKADO 4.1% Total Market: $3,566m2 Centel 4.8% Total: 610k Subs Source: Direct INFO Source: Direct Info Leading Position onMoscow Fixed-Line Market and still with Further Growth Potential 1 Includes more than 400 companies 2 Calculated based on RAS financials before intercompany eliminations 3 Includes 35k corporate subscribers Source: Direct INFO Source: Direct INFO

8. … Respectable companywith Respectable history…

9. Time to start moving Solid base Better execution PRODUCTS & SERVICES • Improve efficiency • Increase presence in the regions • Proactively approach clients, markets and new business • Increase market share through integration & acquisitions • Increase value through the use of IPO proceeds • Accelerated acquisition process CLIENT BASE INFRASTRUCTURE MARKET POSITION CASH $$$

10. An Integrated Approach SKILLED CORPORATE SERVICE PROVIDER STRONG PLAYER IN BROADBAND INCUMBENT FIXED LINE OPERATOR SYNERGIES REORGANIZE, MODERNIZE, RESTRUCTURE To Improve Efficiency and Gain Momentum

11. Short and Medium Term Targets • Corporate Centre - better control of costs and profitability through managed legal entities and coordination of main divisions • MGTS – change corporate culture, increase efficiency • Comstar – stimulate corporate sales • Legal re-organization – simplified relationships • Regional growth through acquisitions of non-Svyazinvest operators and Greenfield projects • Capex – acceleration of network modernization • New regulation – capitalize on regulatory changes • New technologies - WiFi, WiMax, Fixed - Mobile convergence

12. Thank you for you attention!I will be happy to answer your questionsIf you will any questions after the conference please contact Masha Eliseeva Head of Investor Relations Phone:+7 495 950 02 27 Cell: +7 495 997 08 52 E-mail: Eliseeva_MS@comstar-uts.ru Web-site: www.comstar-uts.com