Hong Kong Exchanges and Clearing Limited

FORM 3A - Director/Chief Executive Notice - Interests in Shares of Listed Corporation

Form Serial Number:

DA20260901E00239

1. Date of relevant event:

31/08/2026
(dd/mm/yyyy)

2. Date when director became aware of the relevant event/ interest in the shares (if later):

(dd/mm/yyyy)

3. Stock code:

06193

4. Name of listed corporation:

Tailam Tech Construction Holdings Ltd.

5. Class of shares:

Ordinary Shares

6. Number of issued shares in class:

400,000,000

7. Name of director (English) as printed on HKID Card/Passport:

(Surname)	WONG
(Other names)	CHIU WAI

10. Name of director (Chinese):

王朝緯

11. Chinese Character Code as printed on HKID Card:

376926004885

24. 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)

Consideration code

Long position

1113	The number of shares in which you are interested has increased because: any other event (you must briefly describe the relevant event in the Supplementary Information box)

2201	Interest of corporation controlled by you

26,870,000

HKD

0.3700

3101

Cash

Short position

25. Total shares in listed corporation immediately before the relevant event:

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

26. Total shares in listed corporation immediately after the relevant event:

	Total number of shares	Percentage figure (%)
Long position	26,870,000	6.72

27. Capacity in which interests disclosed in Box 26 are held:

Code describing capacity

Number of shares

2201	Interest of corporation controlled by you

Long position

26,870,000

28. Further information in derivative interests in listed corporation :

Derivatives code

Exercise period (dd/mm/yyyy)

Consideration - if derivatives granted by listed corporation

Number of shares

		Begins	Ends	Currency	Price for grant	Currency	Exercise price	Currency	Price on assignment

29. Further information in relation to interests of children under 18 and/or spouse:

Child/Spouse	Name of child/spouse	Number of shares

30. Further information in relation to interests of corporations controlled by Director:

Name of controlled corporation

Address and place of incorporation

Name of controlling person

% control

Direct interest (Y/N)

Number of shares

Glorycore Investment Holdings Limited

OMC Chambers, Wickhams Cay 1, Road Town, Tortola, British Virgins Islands

WONG CHIU WAI

100.00

Long position

26,870,000

31. Further information in relation to interests held by Director jointly with another person:

Name of joint shareholder	Address	Number of shares

32. Further information from a director who is a trustee, or beneficiary of a trust, or a person who has set up a Discretionary Trust:

Names of Trust	Address	Status code	Number of shares

33. 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 director is interested under sections 317 and 318

34. Supplementary information:

On 31 August 2026, Mr. Wong Chiu Wai acquired the entire equity interest in Glorycore Investment Holdings Limited ("Glorycore") from Mr. Wong Leung Yau for consideration. Following completion of the transfer, Glorycore became wholly owned by Mr. Wong Chiu Wai and Mr. Wong Chiu Wai became deemed interested in the 26,870,000 shares of Tailam Tech Construction Holdings Limited held by Glorycore.

35. Log/Serial Number of the previous form:

36. Number of concert party document(s) under section 317 attached/uploaded:

Date of filing this Form 3A:

01/09/2026
(dd/mm/yyyy)