UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Information to be included in Statements filed pursuant to Rules 13d-1(b), (c) and (d) and amendments thereto filed pursuant to Rule 13d-2(b) (Amendment No._1) Radio One Inc. (Name of Issuer) Class "A" Common Stock (Title of Class of Securities) 75040P108 (CUSIP Number) May 5, 2006 (Date of Event That Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is filed: [x] Rule 13d-1(b) [ ] Rule 13d-1(c) [ ] Rule 13d-1(d)
1. Names of Reporting Persons and I.R.S. Identification No. UBS AG (for the benefit and on behalf of UBS Investment Bank, Wealth Management USA, and Global Wealth Management and Business Banking business groups of UBS AG (See Item 7)) - -------------------------------------------------------------------------------- 2. Check the Appropriate Box if a Member of a Group a [ ] b [ ] - -------------------------------------------------------------------------------- 3. SEC USE ONLY - -------------------------------------------------------------------------------- 4. Citizenship or Place of Organization Switzerland - -------------------------------------------------------------------------------- 5. Sole Voting Power Less than 5% 6. Shared Voting Power Number of 0 Shares Beneficially Owned by Each 7. Sole Dispositive Power Reporting Person With: Less than 5% 8. Shared Dispositive Power 0 - -------------------------------------------------------------------------------- 9. Aggregate Amount Beneficially Owned by Each Reporting Person: Less than 5% - --------------------------------------------------------------------------------
10. Check if the Aggregate Amount in Row 9 Excludes Certain Shares [ ] - -------------------------------------------------------------------------------- 11. Percent of Class Represented by Amount in Row 9 Less than 5% - -------------------------------------------------------------------------------- 12. Type of Reporting Person BK - -------------------------------------------------------------------------------- Item 1(a) Name of Issuer Radio One Inc. - -------------------------------------------------------------------------------- Item 1(b) Address of Issuer's Principal Executive Offices: 5900 Princess Garden Parkway, Lanham, Maryland 20706 - -------------------------------------------------------------------------------- Item 2(a) Name of Person Filing: UBS AG - -------------------------------------------------------------------------------- Item 2(b) Address of Principal Business Office: UBS AG's principal business office is: Bahnhofstrasse 45
PO Box CH-8021 Zurich, Switzerland - -------------------------------------------------------------------------------- Item 2(c) Citizenship: Switzerland - -------------------------------------------------------------------------------- Item 2(d) Title of Class of Securities Class "A" Common Stock - -------------------------------------------------------------------------------- Item 2(e) CUSIP Number: 75040P108 - -------------------------------------------------------------------------------- Item 3. Type of Person Filing: UBS AG is classified as a Bank as defined in section 3(a)(6) of the Act pursuant to no-action relief granted by the staff of the Securities and Exchange Commission. - -------------------------------------------------------------------------------- Item 4 (a)-(c)(iv). Ownership: Items 5-11 of the cover pages are incorporated by reference. - -------------------------------------------------------------------------------- Item 5. Ownership of Five Percent or Less of a Class: If this statement is being filed to report the fact that as of the date hereof
the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following [x]. - -------------------------------------------------------------------------------- Item 6. Ownership of More than Five Percent on Behalf of Another Person: Not applicable - -------------------------------------------------------------------------------- Item 7. Identification and Classification of the Subsidiary That Acquired the Security Being Reported on By the Parent Holding Company: This statement on Schedule 13G is being filed by UBS AG on behalf of itself and the subsidiaries listed below. The securities being reported on by UBS AG were acquired directly by UBS AG directly and certain of such subsidiaries. UBS AG London Branch UBS Portfolio LLC UBS AG Frankfurt UBS Ltd UBS Warburg Private Clients Ltd UBS AG Tokyo branch UBS AG (Switzerland) UBS Warburg Securities (Pty) Ltd (South Africa) UBS International Ltd UBS Warburg Securities Ltd Banco UBS Warburg S.A UBS Warburg Corretora de Cambio e Valores Mobiliarios S.A. UBS Warburg Trading S.A. UBS Bunting Warburg Inc UBS Capital Americas Investments III, Ltd. UBS Capital II LLC UBS Capital LLC UBS AG Brazil UBS Limited UBS Capital Americas Investments II Ltd SBC Equity Partners AG UBS Capital Asia Pacific Ltd UBS Capital Holdings LLC UBS Capital Jersey Ltd UBS Capital BV UBS (USA) Inc UBS Warburg AG (Frankfurt) UBS Securities Australia Ltd UBS Securities (Japan) Ltd UBS Securities LLC UBS Securities New Zealand Limited UBS New Zealand Limited UBS AG Australia Branch
UBS Capital Markets LP UBS Capital Latin America LDC UBS Securities France SA UBS AG Canada Branch UBS Cayman Ltd. PaineWebber Capital Inc Paine Webber International Inc UBS Fiduciary Trust Company UBS Financial Services Incorporated of Puerto Rico UBS Americas Inc UBS Financial Services Inc. Inversiones Ibersuizas, S.A. UBS (Bahamas) LTD UBS (Cayman Islands) LTD UBS (France) LTD UBS (Italia) LTD UBS (Luxemberg) LTD UBS (Luxemberg) SA Austria Branch UBS (Monaco) S.A. UBS AG Brazil UBS AG New York (101 Park Avenue) UBS AG Hong Kong UBS AG Jersey Branch UBS AG Singapore UBS Assessores LTD UBS Bank (Canada) UBS Belgium SA/NV UBS Deutschland AG UBS Espana S.A. UBS International Inc UBS Swiss Advisors AG UBS Wealth Management AG UBS Wealth Management (UK) Ltd Item 8. Identification and Classification of Members of the Group Not Applicable - -------------------------------------------------------------------------------- Item 9 Notice of Dissolution of Group: Not Applicable - -------------------------------------------------------------------------------- Item 10. Certification: By signing below, the undersigned certify that, to the best of their knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection
with or as a participant in any transaction having that purpose or effect. SIGNATURE After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. By: /s/ Edward Buscemi ------------------------------------ Edward Buscemi Executive Director By: /s/ Michael Cortese ------------------------------------ Michael Cortese Managing Director Date: June 15, 2006