Offeror : (1) CEDAR HOLDINGS LIMITED (2) ASPEN HOLDINGS LIMITED | Date of submission of the Statement of Intention : 01/02/2006

Offeror : GULF ENERGY DEVELOPMENT PUBLIC COMPANY LIMITED | Date of submission of the Statement of Intention : 28/06/2021

Offeror : GULF ENERGY DEVELOPMENT PUBLIC COMPANY LIMITED | Date of submission of the Statement of Intention : 21/07/2021

Offeror : GULF ENERGY DEVELOPMENT PUBLIC COMPANY LIMITED | Date of submission of the Statement of Intention : 11/08/2021

29.39 KPMG 3 3 1 (Leadership Responsibilities for Quality within the Firm) KPMG 3 KPMG KPMG KPMG KPMG 3 2 (Relevant Ethical Requirements) KPMG Public Interest Entities signing partner engagement partner

) EY 4 EY EY AQI 3 EY (3:1) 6:1) EY senior manager manager EY staff turnover 27.33%) (20.31%) EY EY career path) succession plan) EY 3.5 (Engagement Performance) EY engagement partner ) EY 2 engagement

AQIs AQIs AQIs AQIs AQIs AQIs AQIs 2564 - 2565 AQIs - 1. * 2564 Non-Big 4 Local firms1 International firms2 (partner)3 166 - 577 5.11% - 6.39% 4.21% - 13.72% EQCR) 68 - 364 2.09% - 4.03% 1.71% - 4.20% 1

in such high proportion, especially when it is a joint venture with foreign partner. The SEC, therefore, relaxed the regulations to attract Thai and foreign investors to invest through Thai holding

1 2Q21 MD&A Advanced Info Service Plc. Executive Summary Prolonged economic impact from new phase of pandemic in 2Q21 As the new phase of pandemic re-emerged in the second quarter, we observed the

English (United States) AuditorQualityAssuranceReview also a team of knowledgeable and competent engagement partner and audit staff working together under a reliable audit quality control system of the