Sanko Announces Company Name Change and Full Issuance of New Securities (Ordinary and Preferred Shares)

1. Board Resolution Date: 115/08/10 2. Previous Company Name: Sanko Co., Ltd. 3. New Company Name: Guoqing Technology Co., Ltd. 4. Share Replacement Schedule (1) Last Transfer Date for Old Shares: 115/09/01 5. Share Replacement Schedule (2) Start Date of Transfer Suspension for Old Shares: 115/09/02 6. Share Replacement Schedule (3) End Date of Transfer Suspension for Old Shares: 115/09/06 7. Share Replacement Schedule (4) Share Replacement Benchmark Date: 115/09/06 8. Share Replacement Schedule (5) New Share Listing and Trading Date: 115/09/07 9. Share Replacement Schedule (6) Last Trading Date for Old Shares: 115/09/07 10. Procedures and Formalities for Issuing New Shares: (1) As the company has fully adopted electronic issuance of securities, physical share certificates will no longer be issued. Shareholders who have not yet opened a centralized securities custody account with a securities firm are urged to do so promptly to facilitate the replacement process. (2) Shareholders holding physical shares that have already completed the transfer procedures should bring the old share certificates, original seal impression, and centralized custody passbook to the company's share agency department at Yuanta Securities Co., Ltd. (3) Shareholders holding physical shares that have not completed the transfer should bring the old share certificates, original seal impression, centralized custody passbook, share transfer application form (purchase report, transaction tax slip, share retrieval number list, etc.), and a photocopy of both sides of their ID (existing account holders are exempt) to Yuanta Securities Co., Ltd. share agency department. (4) Shares already deposited in a centralized securities custody account will be automatically converted into electronic new shares by the Taiwan Central Securities Depository on the new share listing date, with no additional procedures required. (5) Issuance Location: 3rd Floor, No. 17, Bo'ai Road, Zhongzheng District, Taipei City. Share Agency Department, Yuanta Securities Co., Ltd. Phone: 02-2381-6288. 11. Other Matters to be Disclosed: (1) The company's name change and share replacement plan will be implemented upon approval by the Taiwan Stock Exchange Corporation. (2) Any matters not covered herein shall be governed by relevant laws, regulations, or directives from the competent authority. (3) In the event of amendments to laws or changes in regulations by the competent authority, the Chairman is authorized to handle all related matters concerning the name change and share issuance. (4) All information regarding the full share replacement will be publicly announced on the Open Information Observation Station as required by regulations. Individual notifications to shareholders will not be sent.