Genscript Biotech Corporation — Regulatory Filings 2020

May 20, 2020

For Main Board listed issuers

Next Day Disclosure Return

(Equity issuer - changes in issued share capital and/or share buybacks) Name of listed issuer: Genscript Biotech Corporation (the “ Company ”)

Stock code: 1548 Date submitted: 20 May 2020

Section I must be completed by a listed issuer where there has been a change in its issued share capital which is discloseable pursuant to rule 13.25A of the Rules (the “ Listing Rules ”) Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited (the “ Exchange ”).

Section II must also be completed by a listed issuer where it has made a repurchase of shares which is discloseable under rule 10.06(4)(a).

Description of securities: Ordinary Shares______

	I.
	Issues of shares (Notes 6 and 7)	No. of shares	Issued shares as a % of existing number of issued shares before relevant share issue (Notes 4, 6 and 7)	Issue price per share (Notes 1 and 7)	Closing market price per share of the immediately preceding business day (Note 5)	% discount/ premium of issue price to market price (Note 7)
	Opening balance as at (Note 2) 6 May 2020	1,890,609,398
	(Note 3)
	Exercise of share options pursuant to the Pre-IPO share option scheme adopted 15 July 2015 by eligible employee of the Company on 7 May 2020	20,000	0.001%	HK$0.597	HK$13.940 (as of 6 May 2020)	95.72% discount
	Exercise of share options pursuant to the Post-IPO share option scheme adopted 7 December 2015 by eligible employee of the Company on 7 May 2020	30,000	0.002%	HK$3.512	HK$13.940 (as of 6 May 2020)	74.81% discount
	Exercise of share options pursuant to thePre-IPO	60,000	0.003%	HK$0.597	HK$14.140 (as of7May2020)	95.78% discount

3/2019

For Main Board listed issuers

							For Main Board listed issuers
share option scheme adopted 15 July 2015 by eligible employees of the Company on 8 May 2020
Exercise of share options pursuant to the Pre-IPO share option scheme adopted 15 July 2015 by eligible employees of the Company on 11 May 2020		1,293,000	0.068%	HK$0.597		HK$14.880 (as of 8 May 2020)	95.99% discount
Exercise of share options pursuant to the Post-IPO share option scheme adopted 7 December 2015 by eligible employee of the Company on 11 May 2020		30,000	0.002%	HK$3.512		HK$14.880 (as of 8 May 2020)	76.40% discount
	ember 2015 loyee of the 1 May 2020
Exercise of share options pursuant to the Pre-IPO share option scheme adopted 15 July 2015 by eligible employee of the Company on 12 May 2020	re options Pre-IPO heme	12,000	0.001%	HK$0.59		HK$15.660 (as of 11 May 2020)	96.19% discount
Exercise of share options pursuant to the Post-IPO share option scheme adopted 7 December 2015 by eligible employee of the Company on 12 May2020		10,000	0.001%	HK$3.512		HK$15.660 (as of 11 May 2020)	77.57% discount
	loyee of the 2 May2020
Exercise of sha pursuant to the share option sc adopted 15 Jul eligible emplo Company on 1	re options Pre-IPO heme 2015 b	159,600	0.008%	HK$0.59	7	HK$15.640 (as of 12 May 2020)	96.18% discount
	y yees of the 3May2020
Exercise of share options pursuant to the Pre-IPO share option scheme adopted 15 July 2015 by eligible employees of the Company on 14 May2020		448,200	0.024%	HK$0.597		HK$15.500 (as of 13 May 2020)	96.15% discount

3/2019

For Main Board listed issuers

						For Main Board listed issuer
	Exercise of share options pursuant to the Pre-IPO share option scheme adopted 15 July 2015 by eligible employees of the Company on 15 May 2020	235,996	0.012%	HK$0.597	HK$15.720 (as of 14 May 2020)	96.20% discount
	Exercise of share options pursuant to the Pre-IPO share option scheme adopted 15 July 2015 by eligible employee of the Company on 18 May 2020	20,000	0.001%	HK$0.597	HK$15.820 (as of 15 May 2020)	96.23% discount
	Exercise of share options pursuant to the Pre-IPO share option scheme adopted 15 July 2015 by eligible employees of the Company on 19 May 2020	160,000	0.008%	HK$0.597	HK$16.120 (as of 18 May 2020)	96.30% discount
	Exercise of share options pursuant to the Post-IPO share option scheme adopted 7 December 2015 by eligible employee of the Company on 19 May 2020	9,000	0.000%	HK$3.512	HK$16.120 (as of 18 May 2020)	78.21% discount
	Exercise of share options pursuant to the Pre-IPO share option scheme adopted 15 July 2015 by eligible director of the Company on 20May2020	2,360,000	0.125%	HK$0.798	HK$16.360 (as of 19 May 2020)	95.12% discount
	Share repurchases	Not applicable	Not applicable
	Closing balance as at (Note 8) 20 May 2020	1,895,457,194

We hereby confirm to the best knowledge, information and belief that, in relation to each issue of securities as set out in Section I, it has been duly authorized by the board

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For Main Board listed issuers

of directors of the listed issuer and, insofar as applicable:

(Note 9)

• (i) all money due to the listed issuer in respect of the issue of securities has been received by it;

• (ii) all pre-conditions for the listing imposed by the Listing Rules under “Qualifications of listing” have been fulfilled;

• (iii) all (if any) conditions contained in the formal letter granting listing of and permission to deal in the securities have been fulfilled;

• (iv) all the securities of each class are in all respects identical (Note 10) ;

• (v) all documents required by the Companies (Winding Up and Miscellaneous Provisions) Ordinance to be filed with the Registrar of Companies have been duly filed and that compliance has been made with other legal requirements;

• (vi) all the definitive documents of title have been delivered/are ready to be delivered/are being prepared and will be delivered in accordance with the terms of issue;

• (vii) completion has taken place of the purchase by the issuer of all property shown in the listing document to have purchased or agreed to be purchased by it and the purchase consideration for all such property has been duly satisfied; and

• (viii) the trust deed/deed poll relating to the debenture, loan stock, notes or bonds has been completed and executed, and particulars thereof, if so required by law, have been filed with the Registrar of Companies.

Notes to Section I:

1.

• Where shares have been issued at more than one issue price per share, a weighted average issue price per share should be given.

2. Please insert the closing balance date of the last Next Day Disclosure Return published pursuant to rule 13.25A or Monthly Return pursuant to rule 13.25B, whichever is the later.

3. Please set out all changes in issued share capital requiring disclosure pursuant to rule 13.25A together with the relevant dates of issue. Each category will need to be disclosed individually with sufficient information to enable the user to identify the relevant category in the listed issuer’s Monthly Return. For example, multiple issues of shares as a result of multiple exercises of share options under the same share option scheme or of multiple conversions under the same convertible note must be aggregated and disclosed as one category. However, if the issues resulted from exercises of share options under 2 share option schemes or conversions of 2 convertible notes, these must be disclosed as 2 separate categories.

4. The percentage change in the number of issued shares of listed issuer is to be calculated by reference to the listed issuer’s total number of shares in issue (excluding for such purpose any shares repurchased or redeemed but not yet cancelled) as it was immediately before the earliest relevant event which has not been disclosed in a Monthly Return or Next Day Disclosure Return.

5. Where trading in the shares of the listed issuer has been suspended, “closing market price per share of the immediately preceding business day” should be construed as “closing market price per share of the business day on which the shares were last traded”.

6. In the context of a repurchase of shares:

3/2019

For Main Board listed issuers

• “issues of shares” should be construed as “repurchases of shares”; and

• “issued shares as a % of existing number of shares before relevant share issue” should be construed as “repurchased shares as a % of existing number of shares before relevant share repurchase”.

7.

In the context of a redemption of shares:

• “issues of shares” should be construed as “redemptions of shares”;

• “issued shares as a % of existing number of shares before relevant share issue” should be construed as “redeemed shares as a % of existing number of shares before relevant share redemption”; and

• “issue price per share” should be construed as “redemption price per share”.

8.

• The closing balance date is the date of the last relevant event being disclosed.

9. Items (i) to (viii) are suggested forms of confirmation which may be amended to meet individual cases.

10. “Identical” means in this context:

• the securities are of the same nominal value with the same amount called up or paid up;

• they are entitled to dividend/interest at the same rate and for the same period, so that at the next ensuing distribution, the dividend/interest payable per unit will amount to exactly the same sum (gross and net); and

• they carry the same rights as to unrestricted transfer, attendance and voting at meetings and rank pari passu in all other respects.

3/2019

For Main Board listed issuers

II.

A. Purchase report Number of Trading Method of purchase Price per share or highest securities Lowest price paid $ Total paid $ date (Note) price paid $ purchased Total B. Additional information for issuer whose primary listing is on the Exchange 1. Number of such securities purchased on the Exchange in the year to date (since ordinary (a) ___ resolution) 2. % of number of shares in issue at time ordinary resolution passed acquired on the Exchange ____% since date of resolution

( (a) x 100 )

Number of shares in issue

We hereby confirm that the repurchases set out in A above which were made on the Exchange were made in accordance with the Listing Rules and that there have been no material changes to the particulars contained in the Explanatory Statement dated _______ which has been filed with the Exchange. We also confirm that any purchases set out in A above which were made on another stock exchange were made in accordance with the domestic rules applying to purchases made on that other exchange.

Note to Section II: Please state whether on the Exchange, on another stock exchange (stating the name of the exchange), by private arrangement or by general offer.

Submitted by: Wang Ye________

(Name) Title: Director__________ (Director, Secretary or other duly authorised officer)

3/2019