impacted due to continued weakening of international market for flat products and increase in imports of Alloy Steel and Hot Dipped Galvanized HRC into Thailand due to strengthening of Thai Baht and removal

Rd., Klongmadua, Krathum Baen, Samut Sakhon 74110 Thailand. E-mail: ir@aienergy.co.th บริษัท เอไอ เอนเนอร์จี จํากดั (มหาชน) AI Energy Public Company Limited ทะเบียนเลขที 0107556000311 AIE195/2022

ที่บชง Page 1 of 4 Ref. Bor Chor Ngor 0154 /2018 10 May 2018 Subject: Management Discussion and Analysis for the First Quarter ended 31 March 2018 To President The Stock Exchange of Thailand Quality

Stock Exchange of Thailand The Company wishes to present the Management Discussion & Analysis (MD&A) on the operating and financial status for the year 2018. The MD&A would enable the investors to better

ที่ บช NO. AC. 01/2019 22 February 2019 Subject: Clarification of changes in operating performance of more than 20% To: The President of the Stock Exchange of Thailand M. K. Real Estate Development

: President The Stock Exchange of Thailand CH. Karnchang Public Company Limited (“the Company”) and its subsidiaries would like to clarify the consolidated operating result and financial position for the six

ที่ บช NO. AC. 001/2018 28 February 2018 Subject: Clarification of changes in operating performance of more than 20% To: The President of the Stock Exchange of Thailand M.K. Real Estate Development

Governing Members of The Stock Exchange Market of Thailand Origin Property Public Company Limited and its subsidiaries hereinafter called “The Group” For the first quarter ended March 31st, 2019. The

ended June 30, 2018. To The President of The Stock Exchange of Thailand Origin Property Public Company Limited and its subsidiaries hereinafter called “The Group” For the 6 months period ended June 30

recognized doubtful debt for this amount in full. 3.4 Details of Share of profit (loss) from investments in associates and joint ventures are as follows: Name Shareholding percentage Share of profit (loss) for