แบบแสดงรายการข้อมูลสำหรับการเสนอขายหลักทรัพย์ (แบบ 69-1) 1 No. WHAUP-CS009/2562 May 09, 2019 Attention: Managing Director – Stock Exchange of Thailand Subject: Report of Financial Results for the

., the subsidiary of the Company, and change in the accounting policy regarding the record of the land appraisal To: President The Stock Exchange of Thailand Attachment: Information Memorandum on the Asset

15%, chiefly from the company’s stock management in preparation for the refinery’s turnaround maintenance, under the intensifying competition situation in the industrial market. While in the late of Q1

Amount and Term of Bond Issuance, and Determination of Date of the Extraordinary General Meeting of Shareholders No.1/2018 To: The President of the Stock Exchange of Thailand Enclosure: 1. Capital Increase

Amount and Term of Bond Issuance, and Determination of Date of the Extraordinary General Meeting of Shareholders No.1/2018 (Revised No.2) To: The President of the Stock Exchange of Thailand Enclosure: 1

Amount and Term of Bond Issuance, and Determination of Date of the Extraordinary General Meeting of Shareholders No.1/2018 (Revised No.3) To: The President of the Stock Exchange of Thailand Enclosure: 1

Energy Recovery Unit from Thai Oil Public Company Limited and entry into the relevant agreements (Edited) Attention: President Stock Exchange of Thailand Enclosure: Information Memorandum on Asset

Date : Data filed within 3 years after filing date will be displayed   List of management who submitted the changes in securities and derivatives holding report (Form 59) ( 19 record(s) found) Name of

Date : Data filed within 3 years after filing date will be displayed   List of management who submitted the changes in securities and derivatives holding report (Form 59) ( 21 record(s) found) Name of

1 No. CC20180203ELE February 23, 2018 Subject Report of the Resolutions of Board of Directors’ Meeting No.1/2018 To President The Stock Exchange of Thailand The Board of Directors of Cal-Comp