FORM 1 - Individual Substantial Shareholder Notice
Form Serial Number
:
IS20260629E00115
1.
Date of relevant event
:
24/06/2026
(dd/mm/yyyy)
2.
Date when the substantial shareholder becomes aware of the relevant event / interest in the shares (if later)
:
(dd/mm/yyyy)
3.
Stock code
:
07630
4.
Name of listed corporation
:
IMPACT Therapeutics, Inc - B - H Shares
5.
Class of shares
:
H Shares
6.
Number of issued shares in class
:
282,461,530
7.
Name of substantial shareholder (English) as printed on HKID Card/Passport
:
(
Surname
)
Shi
(
Other names
)
Yi
10.
Name of substantial shareholder (Chinese)
:
施毅
11.
Chinese Character Code as printed on HKID Card
:
14.
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
1101
The percentage level of your interest in the shares has increased because:
you purchased the shares
2201
Interest of corporation controlled by you
2201
Interest of corporation controlled by you
20,000
HKD
35.9388
35.9388
Short position
15.
Total shares immediately before the relevant event
:
Total number of shares
Percentage figure (%)
Long position
39,531,460
14.00
16.
Total shares immediately after the relevant event
:
Total number of shares
Percentage figure (%)
Long position
39,551,460
14.00
17.
Capacity in which interests disclosed in Box 16 are held
:
Capacity code
Number of shares
2201
Interest of corporation controlled by you
Long position
39,551,460
18.
Further information in respect of derivative interests
:
Derivatives code
Number of shares
19.
Further information in relation to interests of children under 18 and/or spouse
:
Child/Spouse
Name of child/spouse
Number of shares
20.
Further information in relation to interests of corporations controlled by substantial shareholder
:
Name of controlled corporation
Address and place of incorporation
Name of controlling shareholder
% control
Direct interest (Y/N)
Number of shares
LAV Corporate GP, Ltd.
190 Elgin Avenue, George Town, Grand Cayman KY1-9008, Cayman Islands (Cayman Islands)
Shi Yi
100.00
N
Long position
8,789,975
Lilly Asia Ventures Fund GP, L.P.
190 Elgin Avenue, George Town, Grand Cayman KY1-9008, Cayman Islands (Cayman Islands)
LAV Corporate GP, Ltd.
100.00
N
Long position
8,789,975
Lilly Asia Ventures Fund II, L.P.
190 Elgin Avenue, George Town, Grand Cayman KY1-9008, Cayman Islands (Cayman Islands)
Lilly Asia Ventures Fund GP, L.P.
100.00
N
Long position
8,789,975
LAV Innovation (Hong Kong) Co., Limited
6/F, CNT Commercial Building, No. 302 Queen's Road Central, Hong Kong (Hong Kong)
Lilly Asia Ventures Fund II, L.P.
100.00
Y
Long position
8,789,975
LAV Corporate IV GP, Ltd.
190 Elgin Avenue, George Town, Grand Cayman KY1-9008, Cayman Islands (Cayman Islands)
Shi Yi
100.00
N
Long position
14,220,861
LAV GP IV, L.P.
190 Elgin Avenue, George Town, Grand Cayman KY1-9008, Cayman Islands (Cayman Islands)
LAV Corporate IV GP, Ltd.
100.00
N
Long position
14,220,861
LAV Biosciences Fund IV, L.P.
190 Elgin Avenue, George Town, Grand Cayman KY1-9008, Cayman Islands (Cayman Islands)
LAV GP IV, L.P.
100.00
N
Long position
14,220,861
LAV Enterprise Hong Kong Limited
6/F, CNT Commercial Building, No. 302 Queen's Road Central, Hong Kong (Hong Kong)
LAV Biosciences Fund IV, L.P.
100.00
Y
Long position
14,220,861
LAV Corporate V GP, Ltd.
190 Elgin Avenue, George Town, Grand Cayman KY1-9008, Cayman Islands (Cayman Islands)
Shi Yi
100.00
N
Long position
6,846,397
LAV GP V, L.P.
190 Elgin Avenue, George Town, Grand Cayman KY1-9008, Cayman Islands (Cayman Islands)
LAV Corporate V GP, Ltd.
100.00
N
Long position
6,846,397
LAV Biosciences Fund V, L.P.
190 Elgin Avenue, George Town, Grand Cayman KY1-9008, Cayman Islands (Cayman Islands)
LAV GP V, L.P.
100.00
N
Long position
6,846,397
LAV Integra Limited
Trinity Chambers, PO Box 4301, Road Town, Tortola, British Virgin Islands (British Virgin Islands)
LAV Biosciences Fund V, L.P.
100.00
Y
Long position
6,846,397
LAV Corporate VI GP, Ltd.
190 Elgin Avenue, George Town, Grand Cayman KY1-9008, Cayman Islands (Cayman Islands)
Shi Yi
100.00
N
Long position
4,767,114
LAV GP VI, L.P.
190 Elgin Avenue, George Town, Grand Cayman KY1-9008, Cayman Islands (Cayman Islands)
LAV Corporate VI GP, Ltd.
100.00
N
Long position
4,767,114
LAV Fund VI, L.P.
190 Elgin Avenue, George Town, Grand Cayman KY1-9008, Cayman Islands (Cayman Islands)
LAV GP VI, L.P.
100.00
N
Long position
4,767,114
LAV Impetus Limited
Trinity Chambers, PO Box 4301, Road Town, Tortola, British Virgin Islands (British Virgin Islands)
LAV Fund VI, L.P.
50.00
Y
Long position
3,362,914
LAV Impetus Limited
Trinity Chambers, PO Box 4301, Road Town, Tortola, British Virgin Islands (British Virgin Islands)
LAV Fund VI Opportunities, L.P
50.00
Y
Long position
3,362,913
LAV Star Limited
Trinity Chambers, PO Box 4301, Road Town, Tortola, British Virgin Islands (British Virgin Islands)
LAV Fund VI, L.P.
100.00
Y
Long position
1,404,200
LAV Corporate VI GP Opportunities, Ltd.
190 Elgin Avenue, George Town, Grand Cayman KY1-9008, Cayman Islands (Cayman Islands)
Shi Yi
100.00
N
Long position
4,377,113
LAV GP VI Opportunities, L.P.
190 Elgin Avenue, George Town, Grand Cayman KY1-9008, Cayman Islands (Cayman Islands)
LAV Corporate VI GP Opportunities, Ltd.
100.00
N
Long position
4,377,113
LAV Fund VI Opportunities, L.P.
190 Elgin Avenue, George Town, Grand Cayman KY1-9008, Cayman Islands (Cayman Islands)
LAV GP VI Opportunities, L.P.
100.00
N
Long position
4,377,113
LAV Star Opportunities Limited
Trinity Chambers, PO Box 4301, Road Town, Tortola, British Virgin Islands (British Virgin Islands)
LAV Fund VI Opportunities, L.P.
100.00
Y
Long position
1,014,200
LAV Asset Management (Hong Kong) Limited
22nd Floor, Tai Yau Building, 181 Johnston Road, Wan Chai (Hong Kong)
Shi Yi
100.00
Y
Long position
39,551,460
LAV Public Equity Master Fund
190 Elgin Avenue, George Town, Grand Cayman KY1-9008, Cayman Islands (Cayman Islands)
LAV Asset Management (Hong Kong) Limited
100.00
Y
Long position
550,000
21.
Further information in relation to interests held by substantial shareholder jointly with another person
:
Name of joint shareholder
Address
Number of shares
22.
Further information from a trustee, a beneficiary of a trust, or a person who has set up a discretionary trust
:
Names of trust
Address
Status code
Number of shares
23.
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
24.
Supplementary information
:
LAV Star Opportunities Limited purchased 20,000 shares of IMPACT Therapeutics, Inc - B - H Shares, with trade date on June 24, 2026 and settlement date on June 26, 2026. The ownership percentage immediately before the relevant event was 13.9953% (rounded to 14.00% in 2 decimal places), and the ownership percentage immediately after the relevant event was 14.0024% (rounded to 14.00% in 2 decimal places).
25.
Log/Serial Number of the previous form
:
26.
Number of concert party document(s) under section 317 attached/uploaded
:
Date of filing this Form 1
:
29/06/2026
(dd/mm/yyyy)