4,167.8 11.3% Change Sales and service income Sales and service income (included revenue from finance lease under a Power Purchase Agreement) increase 5.9% QoQ from Baht 1,386.0 million to Baht 1,467.7

@halcyon.co.th No. CS-2563/013 14 August 2020 Subject: Management Discussion and Analysis for the 3-Month Period Ended 31 March 2020 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology

for the three-month period ended 30 June 2020 Compared to the same period last year, the company’s performance increased Baht 24 million as the following reasons: • Total revenue decreased Baht (9

August 11,2010 May 11, 2017 Re : Clarification on percentage of change more than 20% in Q1/2017 To : Director and Manager of the Stock Exchange of Thailand Revenue from sales The Company's revenue

2,097.62 1,600.35 Selling & Administrative Expense 127.83 116.99 Finance Costs 24.24 22.96 Net Profit 101.40 (18.95) Earnings per share (Baht) 0.25 (0.047) The company will explain the cause of change as

- Translation - MPIC 002/2018 February 14, 2018 Subject: Submit the Year End Financial Statement ended December 31, 2017 and clarification for the change of operating result more than 20% Attention

supporting the expansion to other businesses that may occur in the future. Information of 1H.2017 Consolidated Separate 6 months Change 6 months Change 2017 2016 Amount % 2017 2016 Amount % Other income 13.73

Transition Plan for Investors" to raise awareness and enhance asset management companies’ skills considering the opportunities and risks of climate change. This involves creating a clear, comprehensive, and

. Revenues (Thousands Baht) Year Change 4th Quarter Change Amount % Amount % Revenue from sales 1,566,147 1,477,687 88,461 5.99% 437,506 371,485 66,021 17.77% Other income 19,457 14,472 4,985 34.45% 6,968

-1- November 29, 2018 Subject Change of payment method for investment in acquisition and sale of tap water in some areas of Phuket and some areas of Phangnga. To Director and Manager The Stock