[Announcement] Plant Renovation Project on Behalf of Subsidiary JingCheng Materials Co., Ltd.

Date: December 26, 2024

Company: BoardTek (3518)

Subject: Plant renovation project carried out on behalf of subsidiary JingCheng Materials Co., Ltd.

Spokesperson: Liu Ming-Yi

Description:

1. Name and nature of the subject matter (e.g., land located at XX Section, XX Sub-section, North District, Taichung City):

Plant works and equipment.

2. Date of occurrence: 2024/12/26 – 2024/12/26.

3. Transaction unit quantity (e.g., XX square meters, equivalent to XX ping), unit price, and total transaction amount:

Unit quantity: Plant engineering and interior fit-out for the new plant.

Total transaction amount: estimated to be within NT$444.52 million.

4. Counterparty and its relationship to the Company (if the counterparty is a natural person and not a related party, the name may be omitted): To be announced after confirmation.

5. If the counterparty is a related party: reason for selection, previous owner, relationships among the previous owner, the Company and counterparty, previous transfer date and amount: Not applicable.

6. If the owner within the past five years was a related party of the Company, the date and price of acquisition/disposal and relationship at that time: Not applicable.

7. Estimated gain (or loss) on disposal (not applicable to asset acquisition; if deferred, list the recognition status): Not applicable.

8. Delivery or payment terms (including period and amount), contractual restrictions, and other important agreements:

Payment per contract terms.

9. Method of determining the transaction (bidding, price comparison, or negotiation), basis for price determination, and decision-making unit:

Determined through inquiry, comparison, and negotiation, approved by the competent authority.

決策單位:

(1)決定方式:比議價

(2)價格決定之參考依據:依廠商估價單進行詢比議價

10.專業估價者事務所或公司名稱及其估價金額:

不適用

11.專業估價師姓名:

不適用

12.專業估價師開業證書字號:

不適用

13.估價報告是否為限定價格、特定價格或特殊價格:否或不適用

14.是否尚未取得估價報告:否或不適用

15.尚未取得估價報告之原因:

不適用

16.估價結果有重大差異時,其差異原因及會計師意見:

不適用

17.會計師事務所名稱:

不適用

18.會計師姓名:

不適用

19.會計師開業證書字號:

不適用

20.經紀人及經紀費用:

不適用

21.取得或處分之具體目的或用途:

供生產及營運用

22.本次交易表示異議之董事之意見:

23.本次交易為關係人交易:否

24.董事會通過日期:

民國113年12月26日

25.監察人承認或審計委員會同意日期:

民國113年12月26日

26.本次交易係向關係人取得不動產或其使用權資產:否

27.依「公開發行公司取得或處分資產處理準則」第十六條規定

評估之價格:不適用

28.依前項評估之價格較交易價格為低者,依同準則第十七條規

定評估之價格:不適用

29.其他敘明事項: