Pursuant to the notice no. 208/CT-TCKT dated 15/7/2026 of IDICO Srok Phu Mieng Hydropower Joint Stock Company (stock code: ISH) regarding the time changing of residual payment of cash dividend for fiscal year 2025, Vietnam Securities Depository and Clearing Corporation - Ho Chi Minh City Branch (VSDC's Branch) would like to announce the adjustment of the payment date for ISH shares (record date of July 20, 2026) as follows:
Announced information in the Document no. 1352/TB-CNVSDC ngày 08/7/2026 by VSDC's Branch: 
- payment time:  31/8/2026
Changed information:
- payment time: 28/8/2026
Reason: 31/8/2026 is a swapped holiday during the National Day celebration - 02/9/2026.
Other contents in the Notice no.1552/TB-CNVSDC ngày 08/7/2026 by VSD's Branch remain unchanged.
DMs are requested to fully inform this notice to each investor who has deposited the above shares at DMs.