DGAP-PVR: UBS AG: Release according to Article 26, Section

UBS AG / Release of an announcement according to Article 21, Section 1 of the WpHG [the German Securities Trading Act] (share)

20.06.2008

Release of a Voting Rights announcement
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Publication pursuant to section 26 (1) WpHG

We have received the following voting rights notifications regarding the
exceeding of thresholds on 12 June 2008:

1. JPMorgan Chase & Co., New York, USA, has notified us pursuant to
section 21 para. 1 WpHG that on 12th June 2008 it has exceeded the
thresholds of 3%, 5% and 10% of the voting rights in our company and
now holds 13.43%, corresponding to 393,895,271 voting rights.

Thereof, 13.30% (390,023,911 voting rights) are attributed pursuant to
section 22 para. 1 sentence 1 no. 1 WpHG which are held through the
controlled entities JPMorgan Chase Bank, N.A., Columbus Ohio, USA, J.P.
Morgan International Inc., New York, USA, Bank One International Holdings
Corporation, Chicago, Illinois, USA, J.P. Morgan International Finance
Limited, Newark Delaware, USA, J.P. Morgan Capital Holdings Limited,
London, Great Britain, United Kingdom, J.P. Morgan Chase (UK) Holdings
Limited, Great Britain, United Kingdom, J.P. Morgan Chase International
Holdings, Great Britain, United Kingdom, and J.P. Morgan Securities Ltd.,
Great Britain, United Kingdom. Further 0.13% (3,871,360 voting rights) are
attributed pursuant to section 22 para. 1 sentence 1 no. 6 in connection
with sentence 2 WpHG.

2. JPMorgan Chase & Co., New York, USA, has notified us in the name of and
on behalf of JPMorgan Chase Bank, N.A., Columbus Ohio, USA, pursuant to
section 21 para. 1 WpHG that on 12th June 2008 JPMorgan Chase Bank,
N.A., has exceeded the thresholds of 3%, 5% and 10% of the voting
rights in our company and now holds to 13.38%, corresponding to
392,279,983 voting rights.

Thereof, 13.30% (390,023,911 voting rights) are attributed pursuant to
section 22 para. 1 sentence 1 no. 1 WpHG which are held through the
controlled entities J.P. Morgan International Inc., New York, USA, Bank One
International Holdings Corporation, Chicago, Illinois, USA, J.P. Morgan
International Finance Limited, Newark Delaware, USA, J.P. Morgan Capital
Holdings Limited, London, Great Britain, United Kingdom, J.P. Morgan Chase
(UK) Holdings Limited, Great Britain, United Kingdom, J.P. Morgan Chase
International Holdings, Great Britain, United Kingdom, and J.P. Morgan
Securities Ltd., Great Britain, United Kingdom. Further 0.08% (2,256,072
voting rights) are attributed pursuant to section 22 para. 1 sentence 1 no.
6 in connection with sentence 2 WpHG.

3. JPMorgan Chase & Co., New York, USA, has notified us in the name of and
on behalf of J.P. Morgan International Inc., New York, USA, pursuant to
section 21 para. 1 WpHG that on 12th June 2008 J.P. Morgan
International Inc. has exceeded the thresholds of 3%, 5% and 10% of the
voting rights in our company and now holds 13.301%, corresponding to
390,065,758 voting rights.

Thereof, 13.300% (390,023,911 voting rights) are attributed pursuant to
section 22 para. 1 sentence 1 no. 1 WpHG which are held through the
controlled entities Bank One International Holdings Corporation, Chicago,
Illinois, USA, J.P. Morgan International Finance Limited, Newark Delaware,
USA, J.P. Morgan Capital Holdings Limited, London, Great Britain, United
Kingdom, J.P. Morgan Chase (UK) Holdings Limited, Great Britain, United
Kingdom, J.P. Morgan Chase International Holdings, Great Britain, United
Kingdom, and J.P. Morgan Securities Ltd., Great Britain, United Kingdom.
Further 0.001% (41,847 voting rights) are attributed pursuant to section 22
para. 1 sentence 1 no. 6 in connection with sentence 2 WpHG.

4. JPMorgan Chase & Co., New York, USA, has notified us in the name of and
on behalf of Bank One International Holdings Corporation, Illinois,
USA, pursuant to section 21 para. 1 WpHG that on 12th June 2008 Bank
One International Holdings Corporation has exceeded the thresholds of
3%, 5% and 10% of the voting rights in our company and now holds to
13.301%, corresponding to 390,065,758 voting rights.

Thereof, 13.300% (390,023,911 voting rights) are attributed pursuant to
section 22 para. 1 sentence 1 no. 1 WpHG which are held through the
controlled entities J.P. Morgan International Finance Limited, Newark
Delaware, USA, J.P. Morgan Capital Holdings Limited, London, Great Britain,
United Kingdom, J.P. Morgan Chase (UK) Holdings Limited, Great Britain,
United Kingdom, J.P. Morgan Chase International Holdings, Great Britain,
United Kingdom, and J.P. Morgan Securities Ltd., Great Britain, United
Kingdom. Further 0.001% (41,847 voting rights) are attributed pursuant to
section 22 para. 1 sentence 1 no. 6 in connection with sentence 2 WpHG.

5. JPMorgan Chase & Co., New York, USA, has notified us in the name of and
on behalf of J.P. Morgan International Finance Limited, Newark
Delaware, USA, pursuant to section 21 para. 1 WpHG that on 12th June
2008 J.P. Morgan International Finance Limited has exceeded the
thresholds of 3%, 5% and 10% of the voting rights in our company and
now holds 13.301%, corresponding to 390,065,758 voting rights.

Thereof, 13.300% (390,023,911 voting rights) are attributed pursuant to
section 22 para. 1 sentence 1 no. 1 WpHG which are held through the
controlled entities J.P. Morgan Capital Holdings Limited, London, Great
Britain, United Kingdom, J.P. Morgan Chase (UK) Holdings Limited, Great
Britain, United Kingdom, J.P. Morgan Chase International Holdings, Great
Britain, United Kingdom, and J.P. Morgan Securities Ltd., Great Britain,
United Kingdom. Further 0.001% (41,847 voting rights) are attributed
pursuant to section 22 para. 1 sentence 1 no. 6 in connection with sentence
2 WpHG.

6. JPMorgan Chase & Co., New York, USA, has notified us in the name of and
on behalf of J.P. Morgan Capital Holdings Limited, London, Great
Britain, United Kingdom, pursuant to section 21 para. 1 WpHG that on
12th June 2008 J.P. Morgan Capital Holdings Limited has exceeded the
thresholds of 3%, 5% and 10% of the voting rights in our company and
now holds 13.10%, corresponding to 384,268,704 voting rights.

All voting rights are attributed pursuant to section 22 para. 1 sentence 1
no. 1 WpHG which are held through the controlled entities J.P. Morgan Chase
(UK) Holdings Limited, Great Britain, United Kingdom, J.P. Morgan Chase
International Holdings, Great Britain, United Kingdom, and J.P. Morgan
Securities Ltd., Great Britain, United Kingdom.

7. JPMorgan Chase & Co., New York, USA, has notified us in the name of and
on behalf of J.P. Morgan Chase (UK) Holdings Limited, Great Britain,
United Kingdom, pursuant to section 21 para. 1 WpHG that on 12th June
2008 J.P. Morgan Chase (UK) Holdings Limited has exceeded the
thresholds of 3%, 5% and 10% of the voting rights in our company and
now holds 13.10%, corresponding to 384,268,704 voting rights.

All voting rights are attributed pursuant to section 22 para. 1 sentence 1
no. 1 WpHG which are held through the controlled entities J.P. Morgan Chase
International Holdings, Great Britain, United Kingdom, and J.P. Morgan
Securities Ltd., Great Britain, United Kingdom.

8. JPMorgan Chase & Co., New York, USA, has notified us in the name of and
on behalf of J.P. Morgan Chase International Holdings, Great Britain,
United Kingdom, pursuant to section 21 para. 1 WpHG that on 12th June
2008 J.P. Morgan Chase International Holdings has exceeded the
thresholds of 3%, 5% and 10% of the voting rights in our company and
now holds 13.10%, corresponding to 384,268,704 voting rights.

All voting rights are attributed pursuant to section 22 para. 1 sentence 1
no. 1 WpHG which are held through the controlled entity J.P. Morgan
Securities Ltd., Great Britain, United Kingdom.

9. JPMorgan Chase & Co., New York, USA, has notified us in the name of and
on behalf of J.P. Morgan Securities Ltd., Great Britain, United
Kingdom, pursuant to section 21 para. 1 WpHG that on 12th June 2008
J.P. Morgan Securities Ltd. has exceeded the thresholds of 3%, 5% and
10% of the voting rights in our company and now holds 13.10%,
corresponding to 384,268,704 voting rights.

II.

We have received the following voting rights notifications regarding the
shortfall of thresholds on 17 June 2008:

1. JPMorgan Chase & Co., New York, USA, has notified us pursuant to
section 21 para. 1 WpHG that on 17th June 2008 it has fallen below the
thresholds of 10 %, 5 % and 3 % of the voting rights in our company and
on this date holds 0.43%, corresponding to 12,558,692 voting rights.

Thereof, 0.27% (7,829,130 voting rights) are attributed pursuant to section
22 para. 1 sentence 1 no. 1 WpHG. Further 0.16% (4,729,562 voting rights)
are attributed pursuant to section 22 para. 1 sentence 1 no. 6 in
connection with sentence 2 WpHG.

2. JPMorgan Chase & Co., New York, USA, has notified us in the name of and
on behalf of JPMorgan Chase Bank, N.A., Columbus Ohio USA, pursuant to
section 21 para. 1 WpHG that on 17th June 2008 JPMorgan Chase Bank,
N.A. has fallen below the thresholds of 10 %, 5 % and 3 % of the voting
rights in our company and on this date holds 0.35%, corresponding to
10,103,564 voting rights.

Thereof, 0.27% (7,829,130 voting rights) are attributed pursuant to section
22 para. 1 sentence 1 no. 1 WpHG. Further 0.08% (2,274,434 voting rights)
are attributed pursuant to section 22 para. 1 sentence 1 no. 6 in
connection with sentence 2 WpHG.

3. JPMorgan Chase & Co., New York, USA, has notified us in the name of and
on behalf of J.P. Morgan International Inc., New York, USA, pursuant to
section 21 para. 1 WpHG that on 17th June 2008 J.P. Morgan
International Inc. has fallen below the thresholds of 10 %, 5 % and 3 %
of the voting rights in our company and on this date holds 0.27%,
corresponding to 7,870,977 voting rights.

Thereof, 0.267% (7,829,130 voting rights) are attributed pursuant to
section 22 para. 1 sentence 1 no. 1 WpHG. Further 0.001% (41,847 voting
rights) are attributed pursuant to section 22 para. 1 sentence 1 no. 6 in
connection with sentence 2 WpHG.

4. JPMorgan Chase & Co., New York, USA, has notified us in the name of and
on behalf of Bank One International Holdings Corporation, Illinois,
USA, Corporation pursuant to section 21 para. 1 WpHG that on 17th June
2008 Bank One International Holdings Corporation has fallen below the
thresholds of 10 %, 5 % and 3 % of the voting rights in our company and
on this date holds 0.27%, corresponding to 7,870,977 voting rights.

5. JPMorgan Chase & Co., New York, USA, has notified us in the name of and
on behalf of J.P. Morgan International Finance Limited, Newark
Delaware, USA, pursuant to section 21 para. 1 WpHG that on 17th June
2008 J.P. Morgan International Finance Limited has fallen below the
thresholds of 10 %, 5 % and 3% of the voting rights in our company and
on this date holds 0.27%, corresponding to 7,870,977 voting rights.

6. JPMorgan Chase & Co., New York, USA, has notified us in the name of and
on behalf of J.P. Morgan Capital Holdings Limited, London, Great
Britain, United Kingdom, pursuant to section 21 para. 1 WpHG that on
17th June 2008 J.P. Morgan Capital Holdings Limited has fallen below
the thresholds of 10 %, 5 % and 3% of the voting rights in our company
and on this date holds 0.10%, corresponding to 2,969,639 voting rights.

All voting rights are attributed pursuant to section 22 para. 1 sentence 1
no. 1 WpHG.

7. JPMorgan Chase & Co., New York, USA, has notified us in the name of and
on behalf of J.P. Morgan Chase (UK) Holdings Limited, Great Britain,
United Kingdom, pursuant to section 21 para. 1 WpHG that on 17th June
2008 J.P. Morgan Chase (UK) Holdings Limited has fallen below the
thresholds of 10 %, 5 % and 3% of the voting rights in our company and
on this date holds 0.10%, corresponding to 2,969,639 voting rights.

All voting rights are attributed pursuant to section 22 para. 1 sentence 1
no. 1 WpHG.

8. JPMorgan Chase & Co., New York, USA, has notified us in the name of and
on behalf of J.P. Morgan Chase International Holdings, Great Britain,
United Kingdom, pursuant to section 21 para. 1 WpHG that on 17th June
2008 J.P. Morgan Chase International Holdings has fallen below the
thresholds of 10 %, 5 % and 3% of the voting rights in our company and
on this date holds 0.10%, corresponding to 2,969,639 voting rights.

All voting rights are attributed pursuant to section 22 para. 1 sentence 1
no. 1 WpHG.

9. JPMorgan Chase & Co., New York, USA, has notified us in the name of and
on behalf of J.P. Morgan Securities Ltd. pursuant to section 21 para. 1
WpHG that on 17th June 2008 J.P. Morgan Securities Ltd. has fallen
below the thresholds of 10 %, 5 % and 3 % of the voting rights in our
company and on this date holds 0.10%, corresponding to 2,969,639 voting
rights.

UBS AG

Bahnhofstrasse 45

CH-8098 Zürich

Schweiz

DGAP 20.06.2008
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Language: English
Issuer: UBS AG
Bahnhofstrasse 45
8001 Zürich
Schweiz
Internet: www.ubs.com
End of News DGAP News-Service
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DGAP-PVR: UBS AG: Release according to Article 26, Section 1 of the WpHG [the German Securities Trading Act] with the objective of Europe-wide distribution