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.___) The Robert Mondavi Corporation -------------------------------------------------------------------------------- (Name of Issuer) Common Stock -------------------------------------------------------------------------------- (Title of Class of Securities) 609200100 -------------------------------------------------------------------------------- (CUSIP Number) December 31, 2003 -------------------------------------------------------------------------------- (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 -------------------------------------------------------------------------------- 2. Check the Appropriate Box if a Member of a Group a / / b / / See Item 8 of attached schedule -------------------------------------------------------------------------------- 3. SEC USE ONLY -------------------------------------------------------------------------------- 4. Citizenship or Place of Organization Switzerland -------------------------------------------------------------------------------- Number of 5. Sole Voting Power 685,689 Shares Bene- 6. Shared Voting Power 0 ficially 7. Sole Dispositive Power 685,689 Owned by Each 8. Shared Dispositive Power 0 Reporting Person With: -------------------------------------------------------------------------------- 9. Aggregate Amount Beneficially Owned by Each Reporting Person: 685,689 shares* -------------------------------------------------------------------------------- 10. Check if the Aggregate Amount in Row 9 Excludes Certain Shares / / -------------------------------------------------------------------------------- 11. Percent of Class Represented by Amount in Row 9 6.95% -------------------------------------------------------------------------------- 12. Type of Reporting Person BK -------------------------------------------------------------------------------- * UBS AG disclaims beneficial ownership of such securities. 1. Names of Reporting Persons and I.R.S. Identification No. UBS Americas Inc. -------------------------------------------------------------------------------- 2. Check the Appropriate Box if a Member of a Group a / / b / / See Item 8 of attached schedule -------------------------------------------------------------------------------- 3. SEC USE ONLY -------------------------------------------------------------------------------- 4. Citizenship or Place of Organization Delaware -------------------------------------------------------------------------------- Number of 5. Sole Voting Power 685,689 Shares Bene- 6. Shared Voting Power 0 ficially 7. Sole Dispositive Power 685,689 Owned by Each 8. Shared Dispositive Power 0 Reporting Person With: -------------------------------------------------------------------------------- 9. Aggregate Amount Beneficially Owned by Each Reporting Person: 685,689 shares* -------------------------------------------------------------------------------- 10. Check if the Aggregate Amount in Row 9 Excludes Certain Shares / / -------------------------------------------------------------------------------- 11. Percent of Class Represented by Amount in Row 9 6.95% -------------------------------------------------------------------------------- 12. Type of Reporting Person OO -------------------------------------------------------------------------------- * UBS Americas Inc. disclaims beneficial ownership of such securities. 1. Names of Reporting Persons and I.R.S. Identification No. UBS Financial Services Inc. -------------------------------------------------------------------------------- 2. Check the Appropriate Box if a Member of a Group a / / b / / See Item 8 of attached schedule -------------------------------------------------------------------------------- 3. SEC USE ONLY -------------------------------------------------------------------------------- 4. Citizenship or Place of Organization Delaware -------------------------------------------------------------------------------- Number of 5. Sole Voting Power 685,689 Shares Bene- 6. Shared Voting Power 0 ficially 7. Sole Dispositive Power 685,689 Owned by Each 8. Shared Dispositive Power 0 Reporting Person With: -------------------------------------------------------------------------------- 9. Aggregate Amount Beneficially Owned by Each Reporting Person: 685,689 shares -------------------------------------------------------------------------------- 10. Check if the Aggregate Amount in Row 9 Excludes Certain Shares / / -------------------------------------------------------------------------------- 11. Percent of Class Represented by Amount in Row 9 6.95% -------------------------------------------------------------------------------- 12. Type of Reporting Person BD -------------------------------------------------------------------------------- Item 1(a) Name of Issuer The Robert Mondavi Corporation -------------------------------------------------------------------------------- Item 1(b) Address of Issuer's Principal Executive Offices: The Robert Mondavi Corporation 7801 St. Helena Highway Oakville, California 94562 -------------------------------------------------------------------------------- Item 2(a) Name of Person Filing: UBS AG and UBS Americas Inc. and UBS Financial Services Inc. -------------------------------------------------------------------------------- Item 2(b) Address of Principal Business Office: UBS AG's principal business office is: Bahnhofstrasse 45 PO Box CH-8021 Zurich, Switzerland UBS Americas Inc.'s principal business office is: 677 Washington Blvd. Stamford, CT 06901 UBS Financial Services Inc.'s principal business office is: 1285 Avenue of the Americas New York, NY 10019 -------------------------------------------------------------------------------- Item 2(c) Citizenship Item 4 of the cover pages are incorporated by reference -------------------------------------------------------------------------------- Item 2(d) Title of Class of Securities Common Stock -------------------------------------------------------------------------------- Item 2(e) CUSIP Number: 609200100 -------------------------------------------------------------------------------- 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 / /. -------------------------------------------------------------------------------- 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: Identification: UBS Financial Services Inc. Classification: BD -------------------------------------------------------------------------------- Item 8. Identification and Classification of Members of the Group: UBS Financial Services Inc. is a wholly owned subsidiary of UBS Americas Inc., which is a wholly owned subsidiary of UBS AG. UBS AG and UBS Americas Inc. are reporting indirect beneficial ownership of holdings by reason of their ownership of UBS Financial Services Inc. UBS AG does not hereby affirm the existence of a group within the meaning of Rule 13d-5(b)(1). -------------------------------------------------------------------------------- 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. SIGNATURES After reasonable inquiry and to the best of the knowledge and belief of the undersigned, the undersigned certifies that the information set forth in this statement is true, complete and correct. UBS AG By: /s/ Robert C. Dinerstein Robert C. Dinerstein Managing Director By: /s/ Per Dyrvik Per Dyrvik Managing Director UBS Americas Inc. By: /s/ Robert C. Dinerstein Robert C. Dinerstein Managing Director By: /s/ Amy Fainsbert Amy Fainsbert Authorized Person By: /s/ Charles Wilmot Charles Wilmot Authorized Person Date: February 19, 2004 AGREEMENT TO MAKE A JOINT FILING UBS AG, UBS Americas Inc. and UBS Financial Services Inc. each agrees that this Schedule 13G (including all amendments hereto) is filed by and on behalf of each such party. UBS AG By: /s/ Robert C. Dinerstein Robert C. Dinerstein Managing Director By: /s/ Per Dyrvik Per Dyrvik Managing Director UBS Americas Inc. By: /s/ Robert C. Dinerstein Robert C. Dinerstein Managing Director By: /s/ Per Dyrvik Per Dyrvik Managing Director UBS Financial Services Inc. By: /s/ Amy Fainsbert Amy Fainsbert Authorized Person By: /s/ Charles Wilmot Charles Wilmot Authorized Person Date: February 19, 2004