follow; Land Assessor Date Price/Sq.wa Total Price Official Assessment 2016-2019 26,000 252,740,800 Sasipakdi Co., Ltd. 23/07/18 15,894.31 149,755,000 Advanced Appraisal Co., Ltd. 09/09/18 15,948.64

. (approved by the Office of the SEC) Valuation for accounting purposes on December 20, 2018 Government Land Appraisal Price : 28,605,000.00 Baht or 500,000.00 Baht/rai Cost of Purchase Value : 11,600,770.70

Attachment 3: Details of heads of internal audit and compliance units Attachment 4: Details of asset appraisal Part 1 Business Operation 1. Policy and business overview Provide an overview on the background

details of asset appraisal Attachment 5: Unabridged https://publish.sec.or.th/nrs/8617pe.doc แบบแสดงรายการข้อมูลการเสนอขายหลักทรัพย์ Attachment 3 Details of the head of internal control and compliance

appraisal Attachment 5: Unabridged https://publish.sec.or.th/nrs/8617pe.doc แบบแสดงรายการข้อมูลการเสนอขายหลักทรัพย์ Attachment 3 Details of the head of internal control and compliance supervisor Attachment 4

Company’s interest and benefit. 3.2 Machinery Purchase Agreement Determining the consideration value is conducted by comparing the lowest price from 2 independent appraisal companies from machineries

the lowest price from 2 independent appraisal companies, who are independent appraisers authorized by the SEC, from machineries evaluation as well as negotiation and agreement between the Parties. The

(same as the value appraisal). The objective of assessment in order to consider acquiring the asset. Assessor The Valuation & Consultants Company Limited Method of Valuation Market Comparison Approach The

nor significantly different from the average values of the land assessed by an independent appraiser approved by the SEC. An appraiser is Ultima Appraisal Company Limited, who made an assessment on 3

approved by the SEC. An appraiser is Ultima Appraisal Company Limited, who made an assessment on 3 August, 2017. The cost of Assessment is 123,800,000 Baht. The transaction is categorized as a connected