SIIX : NOTICE OF THE 31ST ANNUAL GENERAL SHAREHOLDER’S MEETING

Note: This document has been translated from a part of the Japanese original for reference purposes only. In the event of any discrepancy between this translated document and the Japanese original, the original shall prevail. The Company assumes no responsibility for this translation or for direct, indirect or any other forms of damages arising from the translation.

(Stock Exchange Code 7613) March 9, 2023 (Commencement date of measures for electronic provision: March 8, 2023)

To Shareholders with Voting Rights:

Shiro Murai

Chairman

SIIX Corporation

1-4-9,Bingo-machi,Chuo-ku, Osaka

NOTICE OF THE 31ST ANNUAL GENERAL SHAREHOLDER'S MEETING

Dear Shareholders:

We would like to express our appreciation for your continued support and patronage.

You are cordially notified of the 31st Annual General Shareholder's Meeting of SIIX Corporation (the "Company"). The meeting will be held for the purposes described below.

In convening the meeting, the Company has taken measures for electronic provision. Electronic provision measures matters are posted on the website presented below as "Notice of The 31st Annual General Shareholder's Meeting."

The Company's website:https://www.siix.co.jp/en/ir/stock/soukai/

In addition to the above website, they are posted on the website presented below as well. Tokyo Stock Exchange's website:

https://www2.jpx.co.jp/tseHpFront/JJK020010Action.do?Show=ShowPlease access the above Tokyo Stock Exchange's website, enter the name or the stock exchange code of the

Company, press "Search," select "Basic information," and then select "Documents for public inspection/PR information" to see them.

In lieu of attending the meeting in person, you can exercise your voting rights in writing or via the Internet, etc. Please review the Reference Documents for the General Shareholder's Meeting provided in the electronic provision measures matters, and exercise your voting rights in the manner described hereafter by 5:30 p.m. (Japan time) on Wednesday, March 29, 2023.

1. Date and Time: Thursday, March 30, 2023 at 10:00 a.m. Japan time

2. Place:	Banquet Hall SAN, on 2nd floor of CITYPLAZA OSAKA at
	2-31, Honmachibashi, Chuo-ku, Osaka
	(Please note that the venue is different from the previous meeting.)

3. Meeting Agenda:

Matters to be reported: 1. The Business Report, Consolidated Financial Statements and

Non-consolidated Financial Statements for the Company's 31st Fiscal Year (January 1, 2022 - December 31, 2022)

2. Results of audits of the Consolidated Financial Statements by the Accounting Auditor and the Audit & Supervisory Board

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Proposals to be resolved:

Proposal 1: Appropriation of Surplus

Proposal 2: Election of Nine (9) Directors

Proposal 3: Election of Three (3) Audit & Supervisory Board Members

Proposal 4: Revision of the Amount of Compensation, etc. for Directors

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• When attending the meeting, please submit the enclosed Voting Rights Exercise Form at the reception desk.
  The reception desk is scheduled to open at 9:00 a.m.
• Should the electronic provision measures matters require revisions, details of the revisions will be posted on the websites they are on.
• Please note that the Company does not distribute gifts to shareholders who attend the meeting.
• Pursuant to the provisions of laws and regulations and Article 15 of the Articles of Incorporation of the Company, the following items are not included in the documents sent to the shareholders who requested delivery of a hard copy of the documents. Accordingly, the said documents are part of the documents audited by the Audit & Supervisory Board Member and the Accounting Auditor when they prepared audit reports.
• • Notes to the Consolidated Financial Statements
  • Notes to the Non-consolidated Financial Statements

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Procedures for Exercise of Voting Rights

You can exercise your voting rights in either of the three ways described below.

Please examine the "Reference Documents for the General Shareholder's Meeting" provided in electronic provision measures matters before exercising your voting rights.

• Attending the Shareholder's Meeting
  When attending the meeting, please submit the enclosed Voting Rights Exercise Form at the reception desk.

Date and Time:	Thursday, March 30, 2023
	10:00 a.m. Japan time (reception starts at 9:00 a.m.)

• Exercising voting rights in writing
  Please indicate your vote for or against the proposals on the enclosed Voting Rights Exercise Form and return it by mail. The completed form must reach us no later than the below voting deadline. If there is no indication of a vote for or against the proposals on the Voting Right Exercise Form, it will be treated as an indication of a vote for the proposals.

Voting deadline:	Wednesday, March 29, 2023
	5:30 p.m. Japan time

• Exercising voting rights via the Internet
  Please use your smartphone, PC, etc. to access the Exercise of Voting Rights Website. Follow the instructions shown on the screen to indicate your votes for or against the proposals.
  Please see "Exercise of Voting Rights via the Internet" on the next page for details.

Voting deadline:	Wednesday, March 29, 2023
	5:30 p.m. Japan time

• If you have exercised your voting rights both in writing and via the Internet, only the vote exercised via the Internet will be valid. Also, if you have exercised your voting rights more than once via the Internet, the last vote will be valid.
• Any charges related to the Internet use (connection fees, communication fees, etc.) shall be borne by shareholders.
• You may not be able to use the Internet option depending on your internet access environment, the subscribed service, or the device used.

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Exercise of Voting Rights via the Internet

• Reading QR code: Smart Exercise

You can log in to the Exercise of Voting Rights Website without entering the Exercise of Voting Rights Code and the Password.

1. Use your device to read the QR code printed on the bottom right of the Voting Rights Exercise Form.
2. Follow the instructions shown on the screen to indicate your votes.

You can exercise your voting rights only once using Smart Exercise.

If you wish to change the content of your votes after exercising your voting rights, please access the website for PCs, enter the "Exercise of Voting Rights Code" and the "Password" printed on the Voting Rights Exercise Form to log in and exercise your voting rights once again.

*If you read the QR code again, you will be transferred to the website for PCs. *QR code is a registered trademark of DENSO WAVE INCORPORATED.

• How to enter the Exercise of Voting Rights Code and the Password Exercise of Voting Rights Website:
  https://www.web54.net(Japanese only)
• 1. Access the Exercise of Voting Rights Website Click on the "Next" button.
  2. Enter the "Exercise of Voting Rights Code" printed on the bottom left on the back of the Voting Rights Exercise Form
     Enter the "Exercise of Voting Rights Code." Click on the "Log in" button.
  3. Enter the "Password" printed on the bottom left on the back of the Voting Rights Exercise Form
     Enter the "Initial Password."
     Set a new password that you will actually use. Click on the "Register" button.
  4. Follow the instructions shown on the screen to indicate your votes.

If you have any inquiries about exercising your voting rights via the Internet, please contact the phone number below.

Stock transfer agency service web support desk, Sumitomo Mitsui Trust Bank, Limited:

Tel [phone](9:00 - 21:00)

• Exercise via the Electronic Voting Platform (for institutional investors)

Institutional investors may use the "Electronic Voting Platform" operated by ICJ, Inc. to electronically exercise the voting rights for this General Shareholder's Meeting.

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Reference Documents for the General Shareholder's Meeting

Proposals and References

Proposal 1: Appropriation of Surplus

Matters concerning the year-end dividend

In line with the basic policy of ensuring continuous and stable profit distribution to shareholders, the Company proposes the year-end dividend for the fiscal year under review as described below, taking into consideration the internal reserves for future business development and reinforcement of the management base, as well as our business results for the fiscal year under review.

1. Type of dividend property Cash
2. Matters concerning the allotment of dividend property to shareholders and the total amount thereof
   In light of the Company's business results for the fiscal year under review and future business development, the Company proposes the payment of a dividend of 16 yen per share.
   (Total dividend payment: 756,835,600 yen)
   As a result, the Company's annual dividend will be 31 yen per share including the interim dividend of 15 yen per share paid in September 2022.
3. Effective date of dividend from surplus March 31, 2023

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