Hong Kong Exchanges and Clearing Limited

FORM 2 - Corporate Substantial Shareholder Notice

Form Serial Number:

CS20261020E00031

1. Date of relevant event:

14/10/2026
(dd/mm/yyyy)

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

14/10/2026
(dd/mm/yyyy)

3. Stock code:

00438

4. Name of listed corporation:

彩虹集团新能源股份有限公司 - H股

5. Class of shares:

H Shares

6. Number of issued shares in class:

96,248,670

7. Name of substantial shareholder:

瑞博电子（香港）有限公司

8. Registered office:

香港湾仔骆克道160-174号越秀大厦803室

9. Principal place of business in Hong Kong:

香港湾仔骆克道160-174号越秀大厦803室

15. Exchange on which listed:

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

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

1201	The percentage level of your interest in the shares has reduced because: you completed a sale of the shares

2101	Beneficial owner

2101	Beneficial owner

7,553,100

HKD

1.1600

Short position

18. Total shares immediately before the relevant event:

	Total number of shares	Percentage figure (%)
Long position	7,553,100	7.85

19. Total shares immediately after the relevant event:

	Total number of shares	Percentage figure (%)
Long position	0	0.00

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

Capacity code

Number of shares

2101	Beneficial owner

Long position

21. Further information in respect of derivative interests:

Derivatives code	Number of shares

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

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:

2026年10月14日，瑞博电子（香港）有限公司将其持有的彩虹集团新能源股份有限公司7,553,100股H股转让给咸阳中电彩虹集团控股有限公司。咸阳中电彩虹集团控股有限公司与瑞博电子（香港）有限公司均为中国电子信息产业集团有限公司实际控制公司。

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:

20/10/2026
(dd/mm/yyyy)