Information Memorandum of KLAC03

Information Memorandum Security Symbol : KLAC03 Terms and Conditions SEC Website (URL) : https://capital.sec.or.th/webapp/corp_fin2/cg i-bin/final69.php?txt_compid=0241&txt_offerid =002272&txt_secuid=34&txt_offertypeid=30&txt_ language=T&txt_applydate=2026-08-21&start_dat e=2026-10-14 Underlying Security (URL) : https://www.kla.com/ Underlying Exchange (URL) : https://www.nasdaq.com/market-activity/stocks /klac DR Issuer (URL) : https://www.pi.financial/product/depositary-r eceipt Remark : A global leader in inspection and quality-control tools for semiconductor manufacturing (process control and yield management). Its products detect defects on wafers and photomasks to improve fab yields. Key customers are the world's leading chipmakers, and part of its revenue comes from relatively steady after-sales services. ______________________________________________________________________ This announcement was prepared and disseminated by listed company or issuer through the electronic system which is provided for the purpose of dissemination of the information and related documents of listed company or issuer to the Stock Exchange of Thailand only. The Stock Exchange of Thailand has no responsibility for the correctness and completeness of any statements, figures, reports or opinions contained in this announcement, and has no liability for any losses and damages in any cases. In case you have any inquiries or clarification regarding this announcement, please directly contact listed company or issuer who made this announcement. If you would like to see the full details of this information, please click view "full details" in attached file.