Information Disclosure

Notice on record date for exercising 3 covered warrants

Disclosing license on increasing the Company’s charter captial

Announcing Decision on delisting of covered warrant CHPG2014

Disclosing the change of outstanding voting shares

Announcement on organization of AGM 2021 and the record date for attending

Resolution of the Board on implementing the Plan on shares issuance under ESOP

Notice on record date for exercising covered warrant CHPG2014

Report on the date of becoming Major Shareholder owning from 5% or more of shares - En Fund L.P.

Report on results of transaction of transaction in shares of internal person of SSI_ Nguyen Duy Hung

REPORT ON RESULTS OF TRANSACTION IN SHARES OF RELATED PERSONS OF INTERNAL PERSON- MR. NGUYEN DUY HUNG