: Management explanation and analysis for the yearly ending 31 December 2019 Attention: The President of, The Stock Exchange of Thailand ZIGA Innovation Public Company Limited ( “the Company” ) would like to

SAAM Energy Development Public Company Limited - 1 - 10 May 2019 Subject: Management Discussion and Analysis for the period ended 31 March 2019 To: The President The Stock Exchange of Thailand SAAM

Management Discussion and Analysis for the second quarter ended June 30, 2019 Attention The President The Stock Exchange of Thailand Attachment Report and interim financial statement for the second quarter

Ref. PDI/BK-BS-050/2019 9th August 2019 Re: Management Discussion and Analysis (MD&A) For the three-month and six-month periods ended June 30, 2019 To: President The Stock Exchange of Thailand PDI

SAAM Energy Development Public Company Limited - 1 - 9 August 2019 Subject: Management Discussion and Analysis for the period ended 30 June 2019 To: The President The Stock Exchange of Thailand SAAM

transaction of company as the following; 1. Date/month/year of the Transaction The Company will proceed to invest in ERV by buying ordinary shares by 24,999 shares in the amount of Baht 2,499,000 within 30 days

the following; 1. Date/month/year of the Transaction The Company will proceed to invest in ERV by buying ordinary shares by 24,999 shares in the amount of Baht 2,499,000 within 30 days and after being

SAAM Energy Development Public Company Limited - 1 - 7 November 2019 Subject: Management Discussion and Analysis for the period ended 30 September 2019 To: The President The Stock Exchange of

revenue of 144.20 million Baht, an increase of 0.06 million Baht or 0% compared to quarter 1/2019 and a decrease of 5.21 million Baht or 3% compared to quarter 4/2019. Due to efficient cost management

Rnj, (Translation) MD. 073/2020 May 13 , 2020 Re: Management Discussion and Analysis For the Operating Results ended March 31, 2020 To: President The Stock Exchange of Thailand Management Discussion