Hong Kong Exchanges and Clearing Limited

FORM 2 - Corporate Substantial Shareholder Notice

Form Serial Number:

CS20180807E00146

1. Date of relevant event:

02/08/2018
(dd/mm/yyyy)

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

06/08/2018
(dd/mm/yyyy)

3. Stock code:

01548

4. Name of listed corporation:

Genscript Biotech Corporation

5. Class of shares:

Ordinary Shares

6. Number of issued shares in class:

1,834,575,779

7. Name of substantial shareholder:

JPMorgan Chase & Co.

8. Registered office:

270 Park Avenue, New York 10017, United States

9. Principal place of business in Hong Kong:

N/A

15. Exchange on which listed:

New York Stock Exchange

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

1001	You first acquire a notifiable interest because: you purchased the shares

2201	Interest of corporation controlled by you

2201	Interest of corporation controlled by you

16,425,211

HKD

19.2800

19.2656

19.2482

3101

Cash

Short position

14015

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:
you became the holder of, wrote or issued equity derivatives under which (choose one):
you have any of the rights or obligations referred to in 14011 to 14014 above embedded in a contract or instrument

2201	Interest of corporation controlled by you

2201	Interest of corporation controlled by you

8,282,288

18. Total shares immediately before the relevant event:

	Total number of shares	Percentage figure (%)
Long position	75,970,546	4.14
Short position	56,498,294	3.08
Lending Pool	22,155,457	1.20

19. Total shares immediately after the relevant event:

	Total number of shares	Percentage figure (%)
Long position	92,395,757	5.03
Short position	48,216,006	2.62
Lending Pool	21,255,518	1.15

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

Capacity code

Number of shares

2101	Beneficial owner

Long position	70,786,239
Short position	48,216,006

2102	Investment manager

Long position	6,000
Short position	0

2106	Person having a security interest in shares

Long position	348,000
Short position	0

2502	Approved lending agent

Long position	21,255,518
Short position	0

21. Further information in respect of derivative interests:

Derivatives code

Number of shares

4102	Listed derivatives - Cash settled

Long position	0
Short position	4,276,800

4105	Unlisted derivatives - Physically settled

Long position	0
Short position	606,727

4106	Unlisted derivatives - Cash settled

Long position	14,784,000
Short position	12,568,000

4103	Listed derivatives - Convertible instruments

Long position	0
Short position	6

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

J.P. Morgan Securities LLC

383 Madison Ave. New York NY 10179 United States

J.P. Morgan Broker-Dealer Holdings Inc.

100.00

Long position	26,419,473
Short position	26,419,473

J.P. Morgan Investment Management Inc.

270 Park Avenue New York NY 10017 United States

JPMorgan Asset Management Holdings Inc.

100.00

Long position	6,000
Short position	0

J.P. Morgan Structured Products B.V.

Luna Arena Herikerbergweg 238 Amsterdam 1101 CM Netherlands

J.P. Morgan International Finance Limited

100.00

Long position	0
Short position	6

J.P. Morgan Bank (Ireland) Public Limited Company

JPMorgan House International Financial Services Centre Dublin 1, Ireland, Reg. No.: 7566 Dublin 1 Ireland

J.P. Morgan International Finance Limited

100.00

Long position	6,000
Short position	0

J.P. Morgan Bank Luxembourg S.A.

European Bank & Business Centre 6, route de Treves Senningerberg L-2633 Luxembourg

J.P. Morgan International Finance Limited

99.99

Long position	120,000
Short position	0

JPMorgan Chase Bank, National Association

1111 Polaris Parkway Columbus OH 43240 United States

JPMorgan Chase & Co.

100.00

Long position	20,283,518
Short position	0

J.P. MORGAN EUROPE LIMITED

25 Bank Street Canary Wharf London E14 5JP England

J.P. MORGAN SECURITIES PLC

100.00

Long position	304,000
Short position	0

J.P. Morgan (Suisse) SA

8, rue de la confederation, PO Box 5160, 1211 Geneva 1211, Switzerland Geneva 1211 Switzerland

J.P. Morgan International Finance Limited

100.00

Long position	542,000
Short position	0

J.P. MORGAN SECURITIES PLC

25 Bank Street Canary Wharf London E14 5JP England

J.P. MORGAN CAPITAL HOLDINGS LIMITED

100.00

Long position	44,714,766
Short position	21,796,527

J.P. Morgan Broker-Dealer Holdings Inc.

270 Park Avenue New York NY 10017 United States

JPMorgan Chase Holdings LLC

100.00

Long position	26,419,473
Short position	26,419,473

JPMorgan Chase Holdings LLC

270 Park Avenue New York NY 10017 United States

JPMorgan Chase & Co.

100.00

Long position	26,425,473
Short position	26,419,473

JPMorgan Asset Management Holdings Inc.

270 Park Avenue New York NY 10017 United States

JPMorgan Chase Holdings LLC

100.00

Long position	6,000
Short position	0

J.P. Morgan International Finance Limited

500 Stanton Christian Road Newark DE 19713 United States

JPMorgan Chase Bank, National Association

100.00

Long position	45,686,766
Short position	21,796,533

JPMorgan Chase Bank, National Association

1111 Polaris Parkway Columbus OH 43240 United States

JPMorgan Chase & Co.

100.00

Long position	45,686,766
Short position	21,796,533

J.P. MORGAN SECURITIES PLC

25 Bank Street Canary Wharf London E14 5JP England

J.P. MORGAN CAPITAL HOLDINGS LIMITED

100.00

Long position	304,000
Short position	0

J.P. MORGAN CAPITAL HOLDINGS LIMITED

(Primary place of business) 6 route de Trves Senningerberg L-2633 Luxembourg

J.P. Morgan International Finance Limited

100.00

Long position	45,018,766
Short position	21,796,527

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:

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:

07/08/2018
(dd/mm/yyyy)