Ch. Karnchang Public Co. Ltd.SET: CK

Notification of Signing of the Contract with Bangkok Expressway and Metro Public Company Limited

· Issued by CH. Karnchang Public Co. Ltd.

บริษัทช. การช่างจ ากัด(มหาชน)

CH. KARNCHANG PUBLIC COMPANY LIMITED

587 ถนนสุทธิสารวินิจฉัยแขวงรัชดาภิเษกเขตดินแดง กรุงเทพมหานคร 10400

587 Sutthisan Winitchai Rd., Ratchadaphisek, Dindaeng, Bangkok 10400, Thailand.

Tel. 66(0)2277-0460,66(0)2275-0026 Fax: 66(0)2275-7029

www.ch-karnchang.co.th

(Translation)

No.

CK-22-0000-PO-L-0028

July 14, 2022

Re:

Notification of Signing of the Contract for Maintenance and Improvement of the Structures and System

Works of the Si Rat Expressway, the Si Rat - Outer Ring Road Expressway and the Udon Ratthaya

Expressway

Attn.:

President of the Stock Exchange of Thailand

CH. Karnchang Public Company Limited (the "Company") hereby notifies the Stock Exchange of Thailand that the Company has signed as the Contractor in the Contract for maintenance and improvement of the structures and system works of the Si Rat Expressway, the Si Rat - Outer Ring Road Expressway and the Udon Ratthaya Expressway with Bangkok Expressway and Metro Public Company Limited as the Employer per the details of works as follows:

Execution Date:

July 12, 2022

Estimated Contract Value:

Baht 1,078,094,260 (excluding value added tax)

Operation Periods:

Approximately 17 months

Please be informed accordingly.

Very truly yours, -Signature-

(Dr. Anukool Tuntimas)

Director and Executive Vice President,

Human Resource and General Administration

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