Due to a drop in the number of UBS shares directly held for trading purposes, UBS's position in its own shares has fallen below the stock exchange reporting limit of 5%. On 23 August 2000 UBS held 4.8% of its registered shares in the form of shares and a potential 4.2 % in the form of derivatives. The position in shares includes those bought through the second trading line and destined for cancellation.

Zurich/Basel, 28 August 2000

UBS AG