: President of the Stock Exchange of Thailand Seamico Securities Public Company Limited (“The Company”) would like to report operating result that have been examined by our auditor for the period ended

AIT (VP-SEC) 027E/2024 7 November 2024 Subject: Management’s Discussion and Analysis of Operating Results for Q3-2024 To: The President of the Stock Exchange of Thailand Summary of Operations Q3-2024

: B S ntion: P T arding to th mpany”) No.3 ipt financia 000,000 Ba ncial suppo ording to the 551 Re: Ru Stock Exch cerning the saction are ate of Trans ebruary 202 nancial Sup mart Public der) nancial

Ref. SorNor. 043/2017 August 10, 2017 To: President The Stock Exchange of Thailand Re: Notification on Business Restructuring, Change of Name and Capital Increase of the Subsidiaries Whereas, the

) February 14, 2017 Re : Report the operating result for the year ended December 31 ,2017 by more than 20 percent. To : Director and Manager the Stock Exchange of Thailand Approved by the Board of Directors of

1 27 May 2019 Subject: Explanation of operating result in the financial statement ended 31 March 2019 To: President of the Stock Exchange of Thailand With reference to the financial statement of FY

Registration No. : 0107535000371 No. L015/2019 6th August 2019 Subject : The explanation of operating results for the 2nd quarter 2019 Attention : The President The Stock Exchange of Thailand Dear Sir, For the

1 8 August 2019 Subject: Explanation of operating result in the financial statement ended 30 June 2019 To: President The Stock exchange of Thailand With reference to the financial statement of Q1

Page 1 of 3 PAP_SET19016 - Translation - August 13rd, 2019 Re: Connected Transaction Information Office Space Rental Attn: The Managing Director The Stock Exchange of Thailand Pacific Pipe Public

Director The Stock Exchange of Thailand Pacific Pipe Public Company Limited ( “ Company” ) would like to notify the resolution of Board of directors’ meeting no.6/2019 held on 13 August 2019. The Board