Background information

Transactions from May 26, 2008 through June 9, 2008 include the exercise and sale of Subscription Rights received in UBS's rights offering. Please note in this connection that the Quantity shown below for each of these transactions is the number of Registered Shares purchased in the case of an exercise of Subscription Rights, or the number of Subscription Rights sold in the case of a sale.

Date of transaction

Name and function of individual*

Type of transaction

Type of securities

Quantity

Price

Amount

31-Dec-08

Sergio Marchionne, non-executive Member of the Board of Directors

Purchase

Registered Shares

not yet known

not yet known

CHF 387'500.00

24-Dec-08

Ernesto Bertarelli, non-executive Member of the Board of Directors

Purchase

Registered Shares

not yet known

not yet known

CHF 262'500.00

11-Nov-08

William G. Parrett, non-executive Member of the Board of Directors

Purchase

Registered Shares

2'000

USD 13.5863

USD 27'172.6

6-Nov-08

Rainer-Marc Frey, non-executive Member of the Board of Directors

Sale

Registered Shares

1'000'000

CHF 17.74

CHF 17'740'000

5-Nov-08

Marten Hoekstra, Member of the Group Executive Board

Sale

Registered Shares

45'575

USD 16.62

USD 757'456.5

17-Sep-08

Peter Spuhler, non-executive Member of the Board of Directors

Purchase

Registered Shares

100'000

CHF 18.7

CHF 1'870'000

16-Sep-08

Peter Spuhler, non-executive Member of the Board of Directors

Purchase

Registered Shares

98'076

CHF 17

CHF 1'667'292

8-Aug-08

Peter Spuhler, non-executive Member of the Board of Directors

Purchase

Registered Shares

38'593

CHF 21.48

CHF 828'977.64

9-Jun-08

Gabrielle Kaufmann-Kohler, non-executive Member of the Board of Directors

Purchase (by exercise of subscription rights)

Registered Shares

4'578

CHF 21

CHF 96'138

9-Jun-08

Gabrielle Kaufmann-Kohler, non-executive Member of the Board of Directors

Purchase (by exercise of subscription rights)

Registered Shares

147

CHF 21

CHF 3'087

9-Jun-08

Peter Spuhler, non-executive Member of the Board of Directors

Purchase (by exercise of subscription rights)

Registered Shares

78'274

CHF 21

CHF 1'643'754

9-Jun-08

Peter Spuhler, non-executive Member of the Board of Directors

Purchase (by exercise of subscription rights)

Registered Shares

15'925

CHF 21

CHF 334'425

9-Jun-08

Ernesto Bertarelli, non-executive Member of the Board of Directors

Purchase (by exercise of subscription rights)

Registered Shares

23'191

CHF 21

CHF 487'011

6-Jun-08

Gabrielle Kaufmann-Kohler, non-executive Member of the Board of Directors

Purchase

Subscription Rights

5

CHF 1.45

CHF 7.25

6-Jun-08

Rory Tapner, Member of the Group Executive Board

Purchase (by exercise of subscription rights)

Registered Shares

209'447

CHF 21

CHF 4'398'387

6-Jun-08

Rory Tapner, Member of the Group Executive Board

Sale

Subscription Rights

8

CHF 1.70

approx. CHF 13.60

6-Jun-08

Alexander Wilmot-Sitwell, Member of the Group Executive Board

Purchase (by exercise of subscription rights)

Registered Shares

24'052

CHF 21

CHF 505'092

6-Jun-08

Alexander Wilmot-Sitwell, Member of the Group Executive Board

Sale

Subscription Rights

16

approx. CHF 1.40

CHF 22.40

5-Jun-08

Marten Hoekstra, Member of the Group Executive Board

Purchase (by exercise of subscription rights)

Registered Shares

33'110

CHF 21

CHF 695'310

5-Jun-08

Marten Hoekstra, Member of the Group Executive Board

Sale

Subscription Rights

19

USD 1.83

USD 34.77

5-Jun-08

Marten Hoekstra, Member of the Group Executive Board

Sale

Subscription Rights

10

USD 1.73

USD 17.30

5-Jun-08

Rolf A. Meyer, non-executive Member of the Board of Directors

Purchase (by exercise of subscription rights)

Registered Shares

24'416

CHF 21

CHF 512'736

5-Jun-08

Rolf A. Meyer, non-executive Member of the Board of Directors

Purchase

Subscription Rights

14

CHF 1.20

CHF 16.80

5-Jun-08

Elisabeth Meyer, closely related person

Purchase (by exercise of subscription rights)

Registered Shares

1'099

CHF 21

CHF 23'079

5-Jun-08

Joe Scoby, Member of the Group Executive Board

Purchase (by exercise of subscription rights)

Registered Shares

98'385

CHF 21

CHF 2'066'085

5-Jun-08

John Arthur Fraser, Member of the Group Executive Board

Purchase (by exercise of subscription rights)

Registered Shares

7'000

CHF 21

CHF 147'000

5-Jun-08

John Arthur Fraser, Member of the Group Executive Board

Sale

Subscription Rights

150'403

approx. CHF 1.87

CHF 281'476

5-Jun-08

Jerker Johansson, Member of the Group Executive Board

Sale

Subscription Rights

16

approx. CHF 1.40

CHF 22.40

5-Jun-08

Joe Scoby, Member of the Group Executive Board

Purchase (by exercise of subscription rights)

Registered Shares

65'618

CHF 21

CHF 1'377'978

4-Jun-08

Jerker Johansson, Member of the Group Executive Board

Purchase (by exercise of subscription rights)

Registered Shares

52'248

CHF 21

CHF 1'097'208

3-Jun-08

Peter Voser, non-executive Member of the Board of Directors

Purchase

Subscription Rights

13

CHF 1.43

CHF 18.59

3-Jun-08

Peter Voser, non-executive Member of the Board of Directors

Purchase (by exercise of subscription rights)

Registered Shares

7'994

CHF 21

CHF 167'874

2-Jun-08

John Arthur Fraser, Member of the Group Executive Board

Sale

Subscription Rights

170'404

CHF 1.16

CHF 197'668.64

2-Jun-08

John Arthur Fraser, Member of the Group Executive Board

Sale

Subscription Rights

7'096

CHF 1.01

CHF 7'166.96

2-Jun-08

Alexander Wilmot-Sitwell, Member of the Group Executive Board

Purchase

Subscription Rights

17'000

CHF 1.11

CHF 18'870

30-May-08

Stephan Haeringer, executive Member of the Board of Directors

Purchase

Registered Shares

4

CHF 25.88

CHF 103.50

29-May-08

Peter Kurer, Chairman

Purchase (by exercise of subscription rights)

Registered Shares

107'590

CHF 21

CHF 2'259'390

29-May-08

Peter Kurer, Chairman

Sale

Subscription Rights

18

approx. CHF 1.62

CHF 29.08

29-May-08

Susi Kurer, closely related person

Purchase (by exercise of subscription rights)

Registered Shares

280

CHF 21

CHF 5'880

29-May-08

Robert Wolf, Member of the Group Executive Board

Purchase (by exercise of subscription rights)

Registered Shares

61'369

CHF 21

CHF 1'288'749

29-May-08

Robert Wolf, Member of the Group Executive Board

Purchase (by exercise of subscription rights)

Registered Shares

112'364

CHF 21

CHF 2'359'644

29-May-08

Sergio Marchionne, non-executive Member of the Board of Directors

Purchase (by exercise of subscription rights)

Registered Shares

22'799

CHF 21

CHF 478'779

29-May-08

Lawrence A. Weinbach, non-executive Member of the Board of Directors

Purchase (by exercise of subscription rights)

Registered Shares

504

CHF 21

CHF 10'584

29-May-08

Lawrence A. Weinbach, non-executive Member of the Board of Directors

Sale

Subscription Rights

62'141

approx. CHF 1.67

CHF 103'775.45

29-May-08

Stephan Haeringer, executive Member of the Board of Directors

Sale

Subscription Rights

4'441

approx. CHF 1.59

CHF 7'061.20

29-May-08

Raoul Weil, Member of the Group Executive Board

Sale

Subscription Rights

211'857

approx. CHF 1.75

CHF 370'739.38

29-May-08

Raoul Weil, Member of the Group Executive Board

Sale

Subscription Rights

28'619

approx. CHF 1.78

CHF 50'941.80

29-May-08

Raoul Weil, Member of the Group Executive Board

Purchase (by exercise of subscription rights)

Registered Shares

19'502

CHF 21

CHF 409'542

28-May-08

John Arthur Fraser, Member of the Group Executive Board

Sale

Subscription Rights

228'908

CHF 1.75

CHF 400'589

27-May-08

Joerg Wolle, non-executive Member of the Board of Directors

Purchase (by exercise of subscription rights)

Registered Shares

10'759

CHF 21

CHF 225'939

27-May-08

Joerg Wolle, non-executive Member of the Board of Directors

Sale

Subscription Rights

10

CHF 1.53

CHF 15.30

27-May-08

Christine Haeringer, closely related person

Sale

Subscription Rights

720

CHF 1.71

CHF 1231.20

27-May-08

Stephan Haeringer, executive Member of the Board of Directors

Sale

Subscription Rights

65'632

CHF 1.70

CHF 111'574.40

27-May-08

Stephan Haeringer, executive Member of the Board of Directors

Sale

Subscription Rights

280'000

CHF 1.85

CHF 518'000

27-May-08

Stephan Haeringer, executive Member of the Board of Directors

Sale

Subscription Rights

100'000

CHF 1.85

CHF 185'000

27-May-08

Walter Stuerzinger, Member of the Group Executive Board

Purchase (by exercise of subscription rights)

Registered Shares

76'972

CHF 21

CHF 1'616'412

27-May-08

Walter Stuerzinger, Member of the Group Executive Board

Sale

Subscription Rights

2

CHF 1.70

CHF 3.40

27-May-08

Walter Stuerzinger, Member of the Group Executive Board

Purchase

Subscription Rights

8

CHF 1.85

CHF 14.80

27-May-08

Alexander Wilmot-Sitwell, Member of the Group Executive Board

Purchase

Subscription Rights

21'000

CHF 1.69

CHF 35'490

27-May-08

Alexander Wilmot-Sitwell, Member of the Group Executive Board

Sale

Subscription Rights

335'938

CHF 1.71

CHF 574'454

27-May-08

Helmut Panke, non-executive Member of the Board of Directors

Sale

Subscription Rights

3

approx. CHF 1.70

approx. CHF 5.10

27-May-08

Helmut Panke, non-executive Member of the Board of Directors

Purchase (by exercise of subscription rights)

Registered Shares

8'288

CHF 21

CHF 174'048

27-May-08

Marco Suter, Member of the Group Executive Board

Purchase (by exercise of subscription rights)

Registered Shares

42'875

CHF 21

CHF 900'375

27-May-08

Marco Suter, Member of the Group Executive Board

Sale

Subscription Rights

122'506

CHF 1.85

CHF 226'636.10

27-May-08

Marco Suter, Member of the Group Executive Board

Sale

Subscription Rights

6

CHF 1.72

CHF 10.32

27-May-08

Marco Suter, Member of the Group Executive Board

Purchase (by exercise of subscription rights)

Registered Shares

889

CHF 21

CHF 18'669

27-May-08

Marco Suter, Member of the Group Executive Board

Purchase

Subscription Rights

8

CHF 1.53

CHF 12.24

27-May-08

Marcel Rohner, Group CEO

Purchase (by exercise of subscription rights)

Registered Shares

184'429

CHF 21

CHF 3'873'009

26-May-08

Stephan Haeringer, executive Member of the Board of Directors

Purchase (by exercise of subscription rights)

Registered Shares

12'943

CHF 21

CHF 271'803

23-May-08

Alexander Wilmot-Sitwell, Member of the Group Executive Board

Sale

Registered Shares

18'331

CHF 30.90

CHF 566'428

7-May-08

Executive member of the board of directors / member of senior management

Sale

other

41'421

CHF 1.73

CHF 71'658.33

30-Apr-08

Executive member of the board of directors / member of senior management

Sale

other

446'352

CHF 1.74

CHF 776'652.48

14-Mar-08

Non-executive member of the board of directors

Purchase

Equity

80'000

CHF 30.44

CHF 2'435'200

28-Feb-08

Non-executive member of the board of directors

Purchase

Equity

40'000

CHF 36.00

CHF 1'440'000

20-Feb-08

Non-executive member of the board of directors

Purchase

Equity

6'900

CHF 36.23

CHF 249'987

15-Feb-08

Non-executive member of the board of directors

Purchase

Equity

40'000

CHF 35.00

CHF 1'400'000

* The disclosure of transactions reported before May 16, 2008, did not include the names of the individuals.