On the company's website, there is a big announcement: "The company deeply regrets for the unexpected incident".
In a filing to the Stock Exchange of Thailand, the listed company said "Siam Global House is very sorry for the incident and to the people who were lost and injured. The company will do the best to take care all of the victims not only from the insurance, but also from the company ourselves."
It noted that store collapsed due to a heavy storm during 5pm of May 13. Initial investigation showed that six people died and one person was injured from the incident.
It promised to further check for further damage and safety of the building as well as the surrounding area.
At 2.10pm, the company's share price fell to Bt12.40, 1.59 per cent lower from the Monday level.
Surin's officials have been on the site for further inspection.
Siam Global House operates 29 wholesale outlets, aimed to be the centre of construction materials and DIY products.