BT1: Notice of record date for share issue to outstanding shareholders

1. Issuer: Central Plant Protection Joint Stock Company No.1
2. Stock code: BT1
3. Par value: VND10,000/share
4. Record date: 17/11/2025
5. Ex-date: 14/11/2025
6. Reason:
     * Share issue to outstanding shareholders:
          - Number of shares to be issued: 4,330,147
          - Exercise rate: 100:76,37 (01 share entitles 01 right, 10,000 rights to buy 7,637 new shares)
          - Issue price: VND10,000/share
          - Rounding method: The number of shares offered to existing shareholders will be rounded down to the nearest unit.
+ The odd number of shares arising during the exercise of rights will be rounded down to the nearest unit and the shares that existing shareholders do not register to buy or pay for will be authorized by the General Meeting of Shareholders to the Board of Directors to distribute to other subjects with offering conditions, conditions on rights and obligations of investors no more favorable than the offering conditions for existing shareholders (including the offering price not lower than the selling price for existing shareholders).
+ The odd number of shares arising during the exercise of rights will be rounded down to the nearest unit, and the shares that existing shareholders do not register to buy or pay for, and the Board of Directors will distribute to other subjects according to this plan, and will be restricted from transfer for 01 year from the end date of the offering.
+ The handling of shares that existing shareholders do not register to buy or do not pay for must be in accordance with the provisions of Article 42 of Decree No. 155/2020/ND-CP dated December 31, 2020, amended and supplemented by Decree 245/2025/ND-CP dated September 11, 2025, and must ensure other conditions as prescribed in Clause 2, Article 195 of the Law on Enterprises and other relevant provisions of current law.
+ In case the deadline for distributing shares expires according to the provisions of law (including the extended period (if any), if there are still undistributed shares, these undistributed shares will be canceled, and the Board of Directors will decide to end the offering.
- For example: On the record date to exercise the rights of existing shareholders, shareholder A owns 125 shares, corresponding to 125 purchase rights. The number of shares that shareholder A can buy in the additional share offering is calculated as follows: (125:100) x 76.37 = 95.462 shares, rounded down to 95 shares. Thus, shareholder A can buy 95 additional shares.
          - Blocked account:
               + Account name: Central Plant Protection Joint Stock Company No.1
               + Bank name: Vietcombank – West Hanoi Branch
               + Account number: 1057953862
          - Stock type: The securities ordered are free-float. The number of shares that existing shareholders do not register to buy or pay for, and the Board of Directors will distribute to other subjects according to this plan, will be restricted from transfer for 01 year from the date of closing the offering.
          - Time for transfer of purchase rights:
               + Start date: 24/11/2025
               + End date: 17/12/2025
          - Time for registration:
               + Start date: 24/11/2025
               + End date: 25/12/2025
          - Exercise Place:
               + For undeposited shares: Central Plant Protection Joint Stock Company No.1 (No. 145 Ho Dac Di Street, Kim Lien Ward, Hanoi City). 
               + For deposited shares: The owner shall carry out procedures to transfer the right to purchase, register to purchase, and deposit money to purchase shares at the depository members where the depository account is opened.
            - Number of times of transferring purchase rights: Existing shareholders, whose names are on the list on the record date of shareholders exercising the right to purchase additional shares, have the right to transfer their purchase rights to others within the prescribed time and can only transfer once (the transferee is not allowed to transfer the purchase rights to a third party).