Announcement on the Exercise of Stock Purchase Rights

Based on the notice from the Vietnam Securities Depository Center regarding the "Exercise of C4G Stock Purchase Rights," Everest Securities Joint Stock Company (EVS) hereby announces the following regarding the exercise of stock purchase rights:

- Issuing organization: Cienoco4 Corporation Joint Stock Company
- Stock name: Cienoco4 Corporation Joint Stock Company Stock
- Stock code: C4G
- Trading floor: UpCOM
- Type of securities: Common stock
- Last registration date: March 24, 2023
- Number of issued shares: 112,359,101 shares
- Issuance price: 10,000 Vietnamese dong/01 share
- Exercise ratio: 2:1 (01 share is entitled to 01 right, 02 rights can be used to purchase 01 new share)
- Transfer period: From April 7, 2023, to April 25, 2023
- Registration and payment period: From April 7, 2023, to April 28, 2023

Shareholders are kindly requested to visit Everest Securities Joint Stock Company to complete relevant procedures for rights transfer (if any), registration, and payment within the above-mentioned timeframe.

For further details, please contact:
Customer Service Department - Everest Securities Joint Stock Company
- Headquarters: 3rd, 6th, 9th Floors - No. 2A Dai Co Viet Street, Le Dai Hanh Ward, Hai Ba Trung District, Hanoi
Phone: 0243.772.66.99, ext: 211, 330
- HCM Branch: M Floor, Central Park Building, 117 Nguyen Du Street, Ben Thanh Ward, District 1, Ho Chi Minh City.
Phone: 0286.290.62.96, ext: 869
- Ba Trieu Branch: 1st Floor, Minexport Building, 28C,D Ba Trieu Street, Hoan Kiem District, Hanoi
Phone: 0243.936.68.66, ext: 331,327,328,329