Coteccons Construction : OFFICIAL LETTER OF SSC NO. 6237/UBCK-QLCB ISSUED ON SEPTEMBER 13TH, 2023 REGARDING THE REPORTING DOCUMENTS FOR THE ISSUANCE OF SHARES TO INCREASE THE COMPANY’S CAPITAL FROM COTECCONS’ EQUITY SOURCE

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COTECCONS

COTECCONS CONSTRUCT/ON JOINT

STOCK COMPANY

C6NG TY c6 PHAN XAY DV'NG COTECCONS

CQNG HOA XA HQI CHU NGHTA Vl�T NAM

Oc)c l�p - Tl/ do - H,.inh phuc

THE SOCIALIST REPUBLIC OF VIETNAM

Independence - Freedom - Happiness

TP. Ho Chi Minh, ngay,{f,,th6ngj nam 2023 Ho Chi Minh city, day month year 2023

CONG BO THONG TIN BAT THU'O'NG

EXTRAORDINARY INFORMAT/ON DISCLOSURE

Kinh gixi/ To: - Uy Ban Chll'ng Khoan nha mt&c/ State Securities Commission of Vietnam

• SO' Giao dich Ch(rng khoan Vi�t Nam/ SO' Giao dich Ch(rng khoan Ha Nc)i/ SO' Giao dich Ch(rng khoan thanh pho Ho Chi Minh/ Vietnam Exchange/ Hanoi Stock Exchange/ Hochiminh Stock Exchange

1. Ten to chuc/Name of organization: Cong ty Co phan Xay Dl/ng Coteccons

Ma chung khoan/Ma thanh vien/ Stock code/ Broker code: CTD

Oja chi/Address: 236/6 Oien Bien Phu, P.17, Q. Blnh Th9nh, TP. HCM

Oien thoc;1i lien he/Tel.: (84) (28) 35142255	- Fax: (84) (28) 35142277
E-mail: [e-mail]

2. N('>i dung thong tin cong ba/Contents of disclosure:

Ngay 15/09/2023 Cong ty Co phan Xay dlfng Coteccons nh�n dlfQ'c Cong van cua Uy ban chung khoan nha nlf&c sa 6237/UBCK-QLCB ban hanh ngay 13/09/2023 ve viec tai lieu bao cao phat hanh co phieu de tang van co phan tll' nguon van chu sa hCi'u cua CTD.

On September 15th, 2023, Coteccons Construction Joint Stock Company received Official Letter of SSC No. 6237/UBCK-QLCB issued on September 13th , 2023 regarding the reporting documents for the issuance of shares to increase the company's capitalfrom Coteccons' equity source.

3. Thong tin nay da dlfQ'c cong ba tren trang thong tin dien ti'.r cua cong ty vao ngay 16/09/2023 tc;1i dlfC'1ng d§n:https://coteccons.vn/investor-relations-vn//This information was published on the company's

website on September 16th, 2023, as in the link https://coteccons.vn/investor-relations-vn/

Chung toi xin cam ket cac thong tin cong ba tren day la dung SI/ th�t va hoan toan chju trach nhiem trlf&c

phap lu�t ve n('>i dung cac thong tin da cong ba/ We hereby certify that the information provided is true and correct and we bear the full responsibility to the law.

Tai li�u clfnh kem/	O,.ii di�n to chll'c
Organization representative ,+I;
Attached documents:
- Cong van cua UBCK	Nglf'. !1-:§l�l::f;f:!�	t/Legal representative

osition, and seal)

BOLAT DUISENOV

TOA NHA COTECCONS, 236/6 Di�n Bien Phu, PhLI'iYng 17, Qu�n Blnh Th�nh, TP. Ho Chi Minh

P: 84.28-35142255/66 F: 84.28-35142277 E: [e-mail] W: coteccons.vn