Exhibit 25.1 - -------------------------------------------------------------------------------- SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 -------------------------- FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2)___ ------------------------- U.S. BANK TRUST NATIONAL ASSOCIATION (Exact name of Trustee as specified in its charter) 41-1973763 I.R.S. Employer Identification No. 300 EAST DELAWARE AVENUE, 8TH FLOOR WILMINGTON, DELAWARE 19801 (Address of principal executive offices) (Zip Code) David Kolibachuk U.S. Bank Trust National Association 100 Wall Street, Suite 1600 New York, NY 10005 Telephone (212) 361-2459 (Name, address and telephone number of agent for service) UBS AG (Exact name of obligor as specified in its charter) SWITZERLAND 98-0186363 (State or other jurisdiction of (I. R. S. Employer incorporation or organization) Identification No.) BAHNHOFSTRASSE 45 ZURICH, SWITZERLAND (Address of principal executive offices) (Zip Code) ---------- DEBT SECURITIES - -------------------------------------------------------------------------------- FORM T-1 ITEM 1. GENERAL INFORMATION. Furnish the following information as to the Trustee. a) Name and address of each examining or supervising authority to which it is subject. Comptroller of the Currency Washington, D.C. b) Whether it is authorized to exercise corporate trust powers. Yes ITEM 2. AFFILIATIONS WITH OBLIGOR. If the obligor is an affiliate of the Trustee, describe each such affiliation. None ITEMS 3-15 Not applicable because, to the best of Trustee's knowledge, the Trustee is not a trustee under any other indenture under which any other securities or certificates of interest or participation in any other securities of the obligor are outstanding and there is not, nor has there been, a default with respect to securities issued under this indenture. Item 16. LIST OF EXHIBITS: List below all exhibits filed as a part of this statement of eligibility and qualification. 1. A copy of the Articles of Association of the Trustee now in effect, incorporated herein by reference to Exhibit 1 of Form T-1, Document 6 of Registration No. 333-84320. 2. A copy of the certificate of authority of the Trustee to commence business, incorporated herein by reference to Exhibit 2 of Form T-1, Document 6 of Registration No. 333-84320. 3. A copy of the certificate of authority of the Trustee to exercise corporate trust powers, incorporated herein by reference to Exhibit 3 of Form T-1, Document 6 of Registration No. 333-84320. 4. A copy of the existing bylaws of the Trustee, as now in effect, incorporated herein by reference to Exhibit 4 of Form T-1, Document 6 of Registration No. 333-113995. 5. Not applicable. 6. The consent of the Trustee required by Section 321(b) of the Trust Indenture Act of 1939, incorporated herein by reference to Exhibit 6 of Form T-1, Document 6 of Registration No. 333-84320. 7. Report of Condition of the Trustee as of September 30, 2005, published pursuant to law or the requirements of its supervising or examining authority, attached as Exhibit 7. 8. Not applicable. 9. Not applicable. 2 SIGNATURE Pursuant to the requirements of the Trust Indenture Act of 1939, as amended, the Trustee, U.S. BANK TRUST NATIONAL ASSOCIATION, a national banking association organized and existing under the laws of the United States of America, has duly caused this statement of eligibility and qualification to be signed on its behalf by the undersigned, thereunto duly authorized, all in the City of New York, State of New York on the 22nd day of March, 2006. U.S. BANK TRUST NATIONAL ASSOCIATION By: /s/ David Kolibachuk Name: David Kolibachuk Title: Vice President 3 EXHIBIT 7 U.S. BANK TRUST NATIONAL ASSOCIATION STATEMENT OF FINANCIAL CONDITION AS OF SEPTEMBER 30, 2005 ($000'S) 9/30/2005 --------- ASSETS Cash and Balances Due From Depository Institutions $411,608 Fixed Assets 171 Intangible Assets 99,614 Other Assets 31,707 -------- TOTAL ASSETS $543,100 LIABILITIES Other Liabilities $15,800 -------- TOTAL LIABILITIES $15,800 EQUITY Common and Preferred Stock $1,000 Surplus 505,932 Undivided Profits 20,368 -------- TOTAL EQUITY CAPITAL $527,300 TOTAL LIABILITIES AND EQUITY CAPITAL $543,100 - ------------------------------------------------------------------------- To the best of the undersigned's determination, as of this date the above financial information is true and correct. U.S. Bank Trust National Association By: /s/ David Kolibachuk Name: David Kolibachuk Title: Vice President Date: March 22, 2006 4