The BOD’ Resolution approving the draft documents for submission to the 2025 AGM

‌CONG TY CO PHAN BY DQG CONG HOA HOI CIlfJNGHIA VAT NAM

COTECCONS CONSTRUCTION THE SOCIALIST REPUBLIC OF VIETNAM

JOINT STOCK COMPANY Independence - Freedom - Happiness

Sñ/ No. .- 6152A025/CV-CTD TP. HP Chi Minh, ngây 29 thâng 09 nditi 2025 Ho Chi Minh city, September z!9, 2025

CONG BO THONG TINBAT THU G

EXTRAORDINARY INFORMATION DISCLOSURE

Kinh giri/ To: - Uy Ban Ch rug Khofin nha niroc/ State Securities Commission of Vietnam

- So Giao djch Chirng l‹hoan Viet Nam/ Sir Giao d}ch Ch*ng khofin thanh phñ Ho Chi Minh/ Vietnam Exchange/ Hochiminh Stock Exchange

1. Tén to chucfName of organization: Cong ty Co phan Xây Dung Coteccons Ma chñng khoan/ Stock code: CTD

   D|a cht/Address. 236/6 Dién Bién Phñ, P. Gia Dinh, TP. HCM

   Dien thoai lien he/ Tel.: (84) (28) 35142255 - Fax: (84) (28) 35142277

   - E-mail: bodsecretary@coteccons.vn

2. Noi dung thñng tin cñng bo/ Contents of disclosure:

   1. Ngh1 quyét Hoi dong quan tri ve viec thong qua tñi lieu hpp de trinh Dai hoi dong co dfing thu'dng nién nñm tñi chinh 2025.

      Resolution of the Board of Directors on the approval of meeting documents to submit to the Annual General Meeting of Shareholders for the fiscal year 2025.

   2. Bo tai lieu Dai hoot dong co dñng thuong nién nñm tai chlnh 2025 da du'oc dang tai tai duong dan https://coteccons.vn/investor-reIations-vri/.

      The annual shareholders' meeting documentation for the fiscal year 2025 has been posted at the following link: https://www.coteccons.vn/en/investor-relations/.

3. Tliñng tin nay da dune cfing bo trén fiang thñng tin dien tu ciia cñng ty vao ngay 29/09/2025 tai dirñng dan: https://coteccons.vn/investor-relations-vn// This information was published on the company's website on September 29, 2025. as in the link https://www.coteccons.vn/en/investor-relations/.

Chung tñi xin cam ket cac thñng tin cñng bo trén day la dung sq that va hoan toan chlu trach nhiem trimc phâp 1u{at ve noi dung cfic thñng tin dñ cfing bo/ We hereby certify that the information provided is true and correct and we bear the full responsibility to the law.

Tâl /i ft thrift kétiu’

Acached documents:

-Nhir muc 2/ As item 2.

Dai dién tñ chirc

animation representative quyén cñng bñ thñng tin

for information disclosure

SO PHAN

COTECCONS

DINH THI HONG THAM

1

‌CONG TY CO PHAN BY DQG COTECCONS

CONG IIOA HOI CHU NGHIA DIET NAM

Doc l3p - Try do - ilanh phiic

Tp.Hâ Chi Minh, ngây 29 thâng 09 nâm 2025 Ho Chi Minh City, September 29, 2025

NGH} QUYkT

HOI DONG QUAN TRI. CUA CONG TY CO PHAN BY DQG COTECCONS

Cir cñyâo Luat Doanh Nghiép sâ 59/2020/QHI4,’ Pursuant to, the Law on Enterprises No. 59/2020/QH14; Cân cñ Diéu L e cua CSng /y Câ phan Xây dung Coteccons,

Pursuant to the Charter oJ'Coteccons Construction Joint Stock Company,

Cân cñ Bién bân ting hap j kién ciia H i d •8 Juan tri ed 13/BBH-HD QT ngây 29/09/2025.

In pursuant lo Minutes of lfritten opinion collection of the Board of Directory No. 137BBH-HD QT dated 29/09/2025.

Q T DjNHJ DECIDES:

Diéu 1. Thong qua D* thao Tai lieu trinh Dai hoi dong co dñng thir0ng nién mm tai chinh 2025 Article 1. Approval of the Draft Documents to be submitted to the Annual General Meeting of Shareholders for Fiscai rear 2025

1. Bao cao cua Hpi dong quan try, Bao cao cua Ban Kiem soat vé ket qua hoat dong nam tâi chinh 2025 pro 3442

   va ké hoach nñm tai chinh 2026.

   The Report of the Board of Directors and the RepoFt of the Board of Supervisors on the busin & Pu/

   results for fiscal year 2025 and the planfor fiscalyear 2026.

2. Bao cao tâi chinh nam tai chinh 2025 dñ ditqc kiém toan va Ket qua hoat dong kinh doanh nam chinh 2025.

   The fiscal year 2025 Audited Financial Statements and business performance results in the fiscal year 202J.

3. Ké hoach phñn phoi 19i nhuan.

   Profit distribution plon.

4. Ké hoach san xuat kinh doanh nam tai chinh 2026.

   The Fiscalyear 2026 business plan.

5. Thu lao H i dong quan tr| vñ Ban Kiem soat nñm tñi chinh 2025 va Dv trii kinh phi hoat dang cfia Hoi dong quan tr| va cac Tieu ban cfia H i dong quan tr| cho nam tai chinh 2026.

   BOaFd ofDirectors and Board of supervisors remuneration plan o/Fiscal year 2025 and Estimated Operating Mpenses of the Board of Directors and its Committees for Fiscalyear 2026.

6. Lqa chon Cñng ty kiem toan cho Bao cao tñi chinh niim tai chinh 2026.

   Selection of Independent auditoFfOr Thefinancial statements of Fiscal year 2026.

7. Diéu chinh phuong an phat hanh cñ phieu dé tiing vñn cñ phan tii nguon vñn chit st hiiu (Co phiéu thirñng) dñ dir9c Dai hoi dñng co dñng thuñng nién nñm tñi chinh 2024 phé duyet.

   Adjustment of the share issuance plan to increase choFter capital from owners ’ equity (bonus shares), as approved by the Annual General Meeting o/Shareholdersfor fiscal year 2024.

8. Cac n i dung khac (néu co).

Other issues (if any).

1

Néi dung dich sang tiéng Anh chi st dqng cho muc dich thñng tin. Trong tru6ng hpp ch str mfiu thuñn giiia n9i

dung tiéng Viet vñ n i dung tiéng Anh, noi dung tiéng Viet se dirgc iru tién tip dung.

The English translation isfor informational purposes only. In case of any discrepancy between the Vietnamese and English version, the Vietnamese yer8ion shallprevail.

Chi tiét Tai lieu duoc dang tai trén website cua Cñng ty ké tu’ ngay 29/09/2025: https://www.coteccons.vn/investor-relations-vn/.

The detailed Documents have been published on the Company 's website asfrom September 29, 2025.’ https.'//https://www.coteccons.vn/en/investor-relations/.

HDQT thñng qua viéc uy quyén cho Char tich HDQT tién hñnh cac thii tuc can thiét nham tñ chide Oai hoi dñng cñ dong thtrong nién nñm tai chinh 2025 theo quy dinh cña phap lufit (bao gñm viéc thñnh leap cac Ban giup viéc cho Dai hoi va Ban kiém tra to cach cñ dfing tai Oai hoi).

The BOD approves the authoi'ization for the Chairman to carry out the necessary procedures /or convening the Annual General Meeting of Shareholders for Fiscal Year 2025 in accordance with the law (including the establishment of assisting committees /OF the Meeting and the Committee for Verification of Shareholders ’ Eligibility at the Meetings.

Dieu 2. Hiéu lire thi hanh

Ngh| Quyét nñy co hiéu luc ké tñ ngay ky.

This Resolution takes effectfrom the signing date

Cac thanh vién Hñi dfing Quan tri, Ban Tñng Giam Doc, cac thanh vién/phong/ban co lien quan cua Cñng ty vñ ca nhfin néu trén ch|u trach nhiem thuc hien Nghi Quyét nñy.

The members of the Board of Directors, the Board of Management, Felevant members/depariments of the Company and the menfioned-above individual shall be responsible to implement this Resolution.

• Nhii Diéu 2/ As ai'ticle 2,-

• Ltru Lai CSng Ty/ Kept at lhe Compony

THAY MA.T HOI DONG QUAN TRI.

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“

BONA ISENOV

N i dung dich sang tiéng Anh chi sir dung cho muc dich thong tin. Trong truñng hop co so mfiu thuan giiia n i dung tiéng Viet va nñi dung tiéng Anh, nñi dung tieng Viet se dugc tin tién ap dung.

The English tran.elation isfor infoi-mational purpose.s only. In case oJ any discrepancy between the Vietnamese and English ver'sion, ltte Vietnamese vet'sion shall pi-evail.