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Form Serial Number: |
CS20260904E00081 |
| 1.
Date of relevant event: |
01/09/2026
(dd/mm/yyyy)
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| 2.
Date when the substantial shareholder becomes aware of the relevant event / interest in the shares (if later): |
(dd/mm/yyyy)
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| 3.
Stock code: |
02315 |
| 4.
Name of listed corporation: |
Biocytogen Pharmaceuticals (Beijing) Co., Ltd.- B - H Shares |
| 5.
Class of shares: |
H Shares |
| 6.
Number of issued shares in class: |
110,781,920 |
| 7.
Name of substantial shareholder: |
招商銀行股份有限公司 |
| 8.
Registered office: |
7088 Shennan Boulevard, Futian District, Shenzhen, Guangdong Province, China |
| 9.
Principal place of business in Hong Kong: |
31/F, Three Exchange Square, 8 Connaught Place, Central, Hong Kong |
| 15.
Exchange on which listed: |
Stock Exchange of Hong Kong Limited, Shanghai Stock Exchange |
| 16.
Name of listed parent and exchange on which parent is listed: |
N/A |
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| 17.
Details of relevant event: |
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Brief description of relevant event
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Capacity in which shares were/are held
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Number of shares bought/sold or involved |
Currency of transaction |
On Exchange
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Off Exchange
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| Before relevant event
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After relevant event
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Highest price (per share)
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Average price (per share)
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Average consideration (per share)
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Nature of consideration
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Long position |
| 1201 | The percentage level of your interest in the shares has reduced because:
you completed a sale of the shares |
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| 2201 | Interest of corporation controlled by you |
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| 2201 | Interest of corporation controlled by you |
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1,148,500 |
HKD |
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54.6372 |
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| Short position |
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| 18.
Total shares immediately before the relevant event: |
| | Total number of shares | Percentage figure (%) |
| Long position | 12,130,044 | 10.95 |
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| 19.
Total shares immediately after the relevant event: |
| | Total number of shares | Percentage figure (%) |
| Long position | 10,981,544 | 9.91 |
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| 20.
Capacity in which interests disclosed in Box 19 are held: |
| Capacity code | Number of shares |
| 2201 | Interest of corporation controlled by you |
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| 21.
Further information in respect of derivative interests: |
| Derivatives code | Number of shares |
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| 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 |
| 招银国际金融控股有限公司 | 45-46/F, Champion Tower, 3 Garden Road, Central, Hong Kong | China Merchants Bank Co., Ltd. | 100.00 | N | |
| CMB Wing Lung Bank | 45 Des Voeux Road Central, Hong Kong (Hong Kong) | China Merchants Bank Co., Ltd. | 100.00 | N | |
| 招银国际金融有限公司 | 45-46/F, Champion Tower, 3 Garden Road, Central, Hong Kong (Hong Kong) | CMB Wing Lung Bank | 16.80 | N | |
| 招银国际金融有限公司 | 45-46/F, Champion Tower, 3 Garden Road, Central, Hong Kong (Hong Kong) | 招銀國際金融控股有限公司 | 83.20 | N | |
| CMB International Investment Management Limited | Vistra Corporate Services Centre, Wickhams Cay II, Road Town, Tortola, VG1110, British Virgin Islands | 招银国际金融有限公司 | 100.00 | N | |
| CMB International Private Investment Limited | Estera Trust (Cayman) Limited, PO Box 1350, Clifton House, 75 Fort Street, Grand Cayman KY1-1108, Cayman Islands | CMB International Investment Management Limited | 100.00 | N | |
| CMBI Private Equity Series SPC | Harneys Fiduciary (Cayman) Limited of 4th Floor, Harbour Place, 103 South Church Street, P.O. Box 10240, Grand Cayman KY1-1002, Cayman Islands | CMB International Private Investment Limited | 100.00 | N | |
| Astral Eminent Limited | Vistra Corporate Services Centre, Road Town, Tortola, VG 1110, British Virgin Islands | CMBI Private Equity Series SPC | 100.00 | Y | |
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| 23.
Further information in relation to interests held by substantial shareholder jointly with another person: |
| Name of joint shareholder | Address | Number of shares |
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| 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 |
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| 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 |
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| Total number of shares in which a substantial shareholder is interested under sections 317 and 318 | |
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| 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 (%) |
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| 27.
Supplementary information: |
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| 28.
Log/Serial Number of the previous form: |
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| 29.
Number of concert party document(s) under section 317 attached/uploaded: |
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Date of filing this Form 2: |
04/09/2026
(dd/mm/yyyy)
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