Limited Ref: IR61/012 14 May 2018 Subject: Management Discussion and Analysis Quarter 1/2018 Ending 31 Mar 2018 To: President The Stock Exchange of Thailand Overview and factors affecting the future

Limited Ref: IR61/012 11 May 2018 Subject: Management Discussion and Analysis Quarter 1/2018 Ending 31 Mar 2018 To: President The Stock Exchange of Thailand Overview and factors affecting the future

May 12, 2022 Subject: Management’s Discussion and Analysis for 1st quarter of 2022 ended as of March 31, 2022 Attention: President The Stock Exchange of Thailand AI Energy Public Company Limited (“the

bond allowing the bondholder to convert bond to the Company’s stock at the adjusted conversion price at THB 4.40 per share. Page 2 of 11 Singha Estate Public Company Limited Management Discussion and

of the Stock Exchange of Thailand Re: Disclosure of Information and Other Acts of Listed Companies Concerning the Acquisition and Disposition of Assets B.E. 2547 (2004) (as amended) (the “Acquisition

SAAM Energy Development Public Company Limited - 1 - 6 November 2020 Subject: Management Discussion and Analysis for the period ended 30 September 2020 To: The President The Stock Exchange of

2016 % Change Cash and cash equivalents 100 92 +9% Trade receivables 781 731 +7% Inventories 1,044 812 +29% Other current assets 179 96 +86% Total current assets 2,105 1,731 +22% Property, plant and

receivables 705 781 -10% Inventories 909 1,047 -13% Other current assets 173 177 -2% Total current assets 1,909 2,106 -9% Property, plant and equipment 2,089 2,071 +1% Goodwill 213 - - Investments in joint

Ref. No. IVL 003/08/2020 13 August 2020 The President The Stock Exchange of Thailand Subject: Submission of Quarterly Review of Financial Statements and the Management Discussion and Analysis of

Analysis (MD&A) Page 2 of 16 Major Events in 2018 The acquisition of GLAND, which has high potential assets, is an important step for CPN to become a leader in mixed-use projects The acquisition of shares in