Hong Kong Exchanges and Clearing Limited

FORM 2 - Corporate Substantial Shareholder Notice

Form Serial Number:

CS20201102E00022

1. Date of relevant event:

28/10/2020
(dd/mm/yyyy)

2. Date when the substantial shareholder becomes aware of the relevant event / interest in the shares (if later):

30/10/2020
(dd/mm/yyyy)

3. Stock code:

02359

4. Name of listed corporation:

WuXi Apptec Co., Ltd. -H Shares

5. Class of shares:

H Shares

6. Number of issued shares in class:

306,924,384

7. Name of substantial shareholder:

Credit Suisse Group AG

8. Registered office:

Paradeplatz 8 , Zurich , 8001, Switzerland

9. Principal place of business in Hong Kong:

N/A

15. Exchange on which listed:

Switzerland, ADS in New York

16. Name of listed parent and exchange on which parent is listed:

N/A

17. Details of relevant event:

Brief description of relevant event

Capacity in which shares were/are held

Number of shares bought/sold or involved

Currency of transaction

On Exchange

Off Exchange

Before relevant event

After relevant event

Highest price (per share)

Average price (per share)

Average consideration (per share)

Nature of consideration

Long position

1113	The percentage level of your interest in the shares has increased because: any other event (you must briefly describe the relevant event in the Supplementary Information box)

2201	Interest of corporation controlled by you

2201	Interest of corporation controlled by you

1,746,700

Short position

1403	You came to have a short position of 1% or more in the shares, or the percentage level of your short position in such shares increased because: any other event (you must briefly describe the relevant event in the Supplementary Information box)

2201	Interest of corporation controlled by you

2201	Interest of corporation controlled by you

1,746,700

18. Total shares immediately before the relevant event:

	Total number of shares	Percentage figure (%)
Long position	23,219,108	7.57
Short position	14,296,373	4.66

19. Total shares immediately after the relevant event:

	Total number of shares	Percentage figure (%)
Long position	24,965,808	8.13
Short position	16,043,073	5.23

20. Capacity in which interests disclosed in Box 19 are held:

Capacity code

Number of shares

2201	Interest of corporation controlled by you

Long position	23,487,389
Short position	16,043,073

2102	Investment manager

Long position	1,478,419
Short position	0

21. Further information in respect of derivative interests:

Derivatives code

Number of shares

4103	Listed derivatives - Convertible instruments

Long position	2,141,478
Short position	1,178,795

4106	Unlisted derivatives - Cash settled

Long position	6,794,120
Short position	465,690

22. Further information in relation to interests of corporations controlled by substantial shareholder:

Name of controlled corporation

Address and place of incorporation

Name of controlling person

% control

Direct interest (Y/N)

Number of shares

Credit Suisse AG

Paradeplatz 8, Zurich, 8001, Switzerland

Credit Suisse Group AG

100.00

Long position	1,095,930
Short position	0

Credit Suisse (Hong Kong) Limited

6th Floor, Alexandra House,18 Chater Road, Central,Hong Kong

Credit Suisse AG

100.00

Long position	1,095,930
Short position	0

Credit Suisse AG

Paradeplatz 8, Zurich, 8001, Switzerland

Credit Suisse Group AG

100.00

Long position	16,777,555
Short position	10,619,230

Credit Suisse AG

Paradeplatz 8, Zurich, 8001, Switzerland

Credit Suisse Group AG

100.00

Long position	807,130
Short position	0

Credit Suisse Asset Management International Holding Ltd

Uetlibergstrasse 231, Zurich, 8045, Switzerland

Credit Suisse AG

100.00

Long position	807,130
Short position	0

Credit Suisse (Schweiz) AG

Paradeplatz 8, Zurich, 8001, Switzerland

Credit Suisse AG

100.00

Long position	807,130
Short position	0

Credit Suisse Asset Management & Investor Services (Schweiz) Holding AG

Uetlibergstrasse 231, Zurich, 8045, Switzerland

Credit Suisse (Schweiz) AG

49.00

Long position	807,130
Short position	0

Credit Suisse Asset Management & Investor Services (Schweiz) Holding AG

Uetlibergstrasse 231, Zurich, 8045, Switzerland

Credit Suisse Asset Management International Holding Ltd

51.00

Long position	807,130
Short position	0

Credit Suisse Fund Management S.A.

5, rue Jean Monnet,Luxembourg,2180

Credit Suisse Asset Management & Investor Services (Schweiz) Holding AG

100.00

Long position	807,130
Short position	0

Credit Suisse AG

Paradeplatz 8, Zurich, 8001, Switzerland

Credit Suisse Group AG

100.00

Long position	5,309,078
Short position	5,060,025

Credit Suisse Investments (UK)

One Cabot Square, London E14 4QJ, England

Credit Suisse AG, Guernsey Branch

31.00

Long position	5,309,078
Short position	5,060,025

Credit Suisse Investments (UK)

One Cabot Square, London E14 4QJ, England

Credit Suisse AG

69.00

Long position	5,309,078
Short position	5,060,025

Credit Suisse Investment Holdings (UK)

One Cabot Square, London E14 4QJ, England

Credit Suisse Investments (UK)

100.00

Long position	5,309,078
Short position	5,060,025

Credit Suisse Securities (Europe) Limited

One Cabot Square, London E14 4QJ, England

Credit Suisse Investments Holdings (UK)

100.00

Long position	5,309,078
Short position	5,060,025

Credit Suisse AG

Paradeplatz 8, Zurich, 8001, Switzerland

Credit Suisse Group AG

100.00

Long position	319,830
Short position	319,830

Credit Suisse Holdings (USA), Inc.

11 Madison Avenue, New York, NY 10010, USA

Credit Suisse AG

100.00

Long position	319,830
Short position	319,830

Credit Suisse (USA), Inc.

11 Madison Avenue, New York, NY 10010, USA

Credit Suisse Holdings (USA), Inc.

100.00

Long position	319,830
Short position	319,830

Credit Suisse Securities (USA) LLC

11 Madison Avenue, New York, NY 10010, USA

Credit Suisse (USA), Inc.

100.00

Long position	319,830
Short position	319,830

Credit Suisse AG

Paradeplatz 8, Zurich, 8001, Switzerland

Credit Suisse Group AG

100.00

Long position	583,377
Short position	0

Credit Suisse Asset Management International Holding Ltd

Uetlibergstrasse 231, Zurich, 8045, Switzerland

Credit Suisse AG

100.00

Long position	583,377
Short position	0

Credit Suisse (Schweiz) AG

Paradeplatz 8, Zurich, 8001, Switzerland

Credit Suisse AG

100.00

Long position	583,377
Short position	0

Credit Suisse Asset Management & Investor Services (Schweiz) Holding AG

Uetlibergstrasse 231, Zurich, 8045, Switzerland

Credit Suisse (Schweiz) AG

49.00

Long position	583,377
Short position	0

Credit Suisse Asset Management & Investor Services (Schweiz) Holding AG

Uetlibergstrasse 231, Zurich, 8045, Switzerland

Credit Suisse Asset Management International Holding Ltd

51.00

Long position	583,377
Short position	0

Credit Suisse Funds AG

Uetlibergstrasse 231, Zurich, 8045, Switzerland

Credit Suisse Asset Management & Investor Services (Schweiz) Holding AG

100.00

Long position	583,377
Short position	0

Credit Suisse AG

Paradeplatz 8, Zurich, 8001, Switzerland

Credit Suisse Group AG

100.00

Long position	4,643
Short position	43,988

Credit Suisse AG, Guernsey Branch

Helvetia Court,Les Echelons, South Esplanade,St Peter Port ,Guernsey,GY1 3ZQ

Credit Suisse AG

100.00

Long position	4,643
Short position	43,988

Credit Suisse PSL GmbH

c/o Credit Suisse AG,Paradeplatz 8,Zurich,8001

Credit Suisse AG

100.00

Long position	4,643
Short position	43,988

Credit Suisse International

One Cabot Square, London E14 4QJ, England

Credit Suisse PSL GmbH

22.89

Long position	4,643
Short position	43,988

Credit Suisse International

One Cabot Square, London E14 4QJ, England

Credit Suisse AG

25.15

Long position	4,643
Short position	43,988

Credit Suisse International

One Cabot Square, London E14 4QJ, England

Credit Suisse Group AG

2.41

Long position	4,643
Short position	43,988

Credit Suisse International

One Cabot Square, London E14 4QJ, England

Credit Suisse AG, Guernsey Branch

49.55

Long position	4,643
Short position	43,988

Credit Suisse AG

Paradeplatz 8, Zurich, 8001, Switzerland

Credit Suisse Group AG

100.00

Long position	28,972
Short position	0

Credit Suisse Asset Management International Holding Ltd

Uetlibergstrasse 231, Zurich, 8045, Switzerland

Credit Suisse AG

100.00

Long position	28,972
Short position	0

Credit Suisse (Schweiz) AG

Paradeplatz 8, Zurich, 8001, Switzerland

Credit Suisse AG

100.00

Long position	28,972
Short position	0

Credit Suisse Asset Management & Investor Services (Schweiz) Holding AG

Uetlibergstrasse 231, Zurich, 8045, Switzerland

Credit Suisse (Schweiz) AG

49.00

Long position	28,972
Short position	0

Credit Suisse Asset Management & Investor Services (Schweiz) Holding AG

Uetlibergstrasse 231, Zurich, 8045, Switzerland

Credit Suisse Asset Management International Holding Ltd

51.00

Long position	28,972
Short position	0

Credit Suisse Asset Management (Schweiz) AG

Kalandergasse 4,Zurich,8045

Credit Suisse Asset Management & Investor Services (Schweiz) Holding AG

100.00

Long position	28,972
Short position	0

Credit Suisse AG

Paradeplatz 8, Zurich, 8001, Switzerland

Credit Suisse Group AG

100.00

Long position	39,293
Short position	0

Credit Suisse Asset Management International Holding Ltd

Uetlibergstrasse 231, Zurich, 8045, Switzerland

Credit Suisse AG

100.00

Long position	39,293
Short position	0

Credit Suisse (Schweiz) AG

Paradeplatz 8, Zurich, 8001, Switzerland

Credit Suisse AG

100.00

Long position	39,293
Short position	0

23. Further information in relation to interests held by substantial shareholder jointly with another person:

Name of joint shareholder	Address	Number of shares

24. Further information from a trustee, a beneficiary of a trust, or a person who set up a discretionary trust:

Names of trust	Address	Status code	Number of shares

25. Further information from a party to an agreement under Section 317 (Please see Notes for further information required):

Names of other parties	Address	Number of shares

Total number of shares in which a substantial shareholder is interested under sections 317 and 318

26. Details of person(s) in accordance with whose directions the substantial shareholder or its directors are accustomed to act:

Names	Address	Relationship Code	Percentage (%)

27. Supplementary information:

The percentage level of long and short interests has increased due to stock borrow, stock return and shares held in respect of which Credit Suisse may exercise its right to rehypothecate or dispose of.

28. Log/Serial Number of the previous form:

29. Number of concert party document(s) under section 317 attached/uploaded:

Date of filing this Form 2:

02/11/2020
(dd/mm/yyyy)