TMC — AGM Information 2021

Jul 23, 2021

Official Notice for the Shareholders’ Meeting

Dear Shareholder:

The company will hold the 2021 Annual Shareholders’ Meeting on May 31, 2021 (Monday) 9:00 in the morning at No.1, Gongye E. 2nd Rd., Hsinchu Science Park (2F, Meeting Room: Darwin). The main subjects of this meeting are as follows: (1) Company reports: a. 2020 business report b. 2020 auditing reports from auditing committee c. 2020 bonus compensation for employees and directors appropriation report d. 2020 endorsements and guarantees of TMC and the Subsidiary e. Revision of Guidelines for the Adoption of Codes of Ethical Conduct f. The company's 26th and 27th share repurchase execution report g. Report on the establishment of Charity Foundation h. Report on the TMC's third domestic unsecured conversion corporate bond handling situation i. Report on the implementation of the company’s subsidiary fund loans and others’ over-limit improvement plan (new) (2) Proposals: a. 2020 business reports and financial reports b. 2020 earnings appropriation proposal (3) Discussions and Elections: a. Revise the Procedures for Election of Directors b. Revise the Rules and Procedures for Shareholders’ Meeting c. By-election of two independent directors d. Agreed to the competition for the new director representative and new independent director (4) Motions

1. The company will mail the official notice of meeting and Power of Attorney in hoping that all shareholders could participate in the meeting. If joining in person, please sign or seal with your stamp on the registration slip and bring it to the meeting room on the meeting day. If entrusting others to participate in, please sign or seal with your stamp on the Power of Attorney slip. Please also fill in your name and address and send it back to our stock administration office in KGI Securities Trust Department 5 days before the meeting day, so that the company can send out an attending voucher to the trustee.

2. If any situation for the case of seeking the Power of Attorney in public, the latest disclosure for the company to submit to S.F.I. (Website: http://free.sfi.org.tw) will be on April 29, 2021. Please go on to the website if requiring any further information.

3. This meeting will adopt electronic voting to act the right of vote. The voting period: From April 30, 2021 to May 31, 2021. The voting instruction: Please go on to the website [http://www.stockvote.com.tw] and log in the “Stock Voting Area” of TDCC for further information.

4. The tallying and verification institution of the Power of Attorney for this meeting is agency department of Grand Fortune Securities Co., Ltd.

5. Please kindly follow the related information and regulations above, thank you.

Sincerely yours, Board of Directors

Taiwan Mask Corporation