Item 6

Amendments of the Articles of Association

6.1. Deletion of Article 37 of the Articles of Association

A. Motion

The Board of Directors proposes to delete Article 37 of the Articles of Association.

Article 37
Non-cash considerations
1 The Corporation acquires Schweizerische Bankgesellschaft (SBG) in Zurich by merger through the capital increase of April 30 / May 19, 1998. Assets of CHF 426,820,619,609.52 and liabilities of CHF 408,302,595,203.66 pursuant to the merger balance sheet of September 30, 1997 shall be transferred by universal succession to the Corporation; the amount of the capital increase has been paid in accordance with the merger agreement. The shareholders of the company acquired receive 128,750,000 fully paid-up registered shares of the acquiring company each with a par value of CHF 20.

2 The Corporation acquires Schweizerischer Bankverein (SBV) in Basel by merger through the capital increase of April 29 / May 18, 1998. Assets of CHF 352,252,889,332.69 and liabilities of CHF 338,770,039,294.46 pursuant to the merger balance sheet of September 30, 1997 shall be transferred by universal succession to the Corporation; the amount of the capital increase has been paid in accordance with the merger agreement. The shareholders of the company acquired receive 85,623,491 fully paid-up registered shares of the acquiring company each with a par value of CHF 20.

B. Explanation
Pursuant to Article 628 para. 4 of the Swiss Code of Obligations, provisions in the Articles of Association concerning contributions in kind or acquisitions of assets may be repealed by resolution of the annual general meeting after 10 years. Article 37 was entered into the Articles of Association in June 1998.

6.2. Deletion of Article 38 of the Articles of Association

A. Motion

The Board of Directors proposes to delete Article 38 of the Articles of
Association.

Article 38
Contribution in kind
The Corporation, in connection with the capital increase of 1 November 2000, is acquiring the totality of the shares of Paine Webber Group Inc. (New York, N.Y., USA) from existing shareholders of this listed company through the Corporation’s wholly owned subsidiary UBS Americas Inc. (Wilmington, Delaware, USA) by way of a triangular merger under the laws of the State of Delaware (USA). Under the
terms of the merger agreement of 12 July 2000, the total consideration for these shares will take the form of a cash component of not more than USD 6,350,000,000 plus a share component of not more than 42,800,000 shares of UBS AG, i.e. (assuming an exchange rate of CHF / USD 1.80 and a price of CHF 250 per UBS share) CHF 22,130,000,000, and of not less than USD 5,520,000,000 plus not less than 37,150,000 shares of UBS AG, i.e. (based on the foregoing assumptions) CHF 19,223,500,000, this including the 12,000,000 shares resulting from the capital increase of 1 November 2000.

B. Explanation
Pursuant to Article 628 para. 4 of the Swiss Code of Obligations, provisions in the Articles of Association concerning contributions in kind or acquisitions of assets may be repealed by resolution of the annual general meeting after 10 years. Article 38 of the Articles of Association was approved by the Extraordinary General Meeting in September 2000 and entered into the Articles of Association based on the respective resolution by the Board of Directors on 30 October 2000.