Petroleum Pipeline & Tank Construction Joint Stock Company announces that from September 15, 2020 to October 12, 2020 there were serious errors on its website www.dobc.vn. The Company could not access its website to post information on business activities. After that, the Company contacted a technology company to fix errors. Until October 12, 2020, the system worked again but has not been stable. Therefore, the Company will be more proactive in maintaining the whole system in order to ensure timely information disclosure according to regulations.