Notice Regarding Executive Appointments

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TOKYO - March 27, 2024 - Internet Initiative Japan Inc. (TSE Prime: 3774), one of Japan's leading Internet access and comprehensive network solutions providers, today announced that the Board of Directors resolved the resolutions for the following executive appointments at a meeting held on March 27, 2024.

Changes to the titles of Directors and Executive Officers

From April 1, 2024, IIJ is changing description to clearly distinguish Directors and Executive Officers.

Executive Officers

Promotions (planned for April 1, 2024)

New title	Name	Current title
Senior Managing Executive Officer	Junichi Shimagami	Managing Director
Senior Managing Executive Officer	Tadashi Kawashima	Managing Director
Senior Managing Executive Officer	Naoshi Yoneyama	Managing Director
Managing Executive Officer	Takenori Onishi	Executive Officer
Managing Executive Officer	Shigeo Yabuki	Executive Officer
Managing Executive Officer	Ken Araki	Executive Officer
Managing Executive Officer	Hajime Shironouchi	Executive Officer

• Note: Current Managing Directors of Tadashi Kawashima and Naoshi Yoneyama will retire from the Board of Directors at the end of their office terms, followed by the closing of IIJ's 32nd Ordinary General Meeting of Shareholders which is to be held on June 27, 2024.

New appointment (planned for April 1, 2024)

New title	Name	Current title
Executive Officer	Mamoru Saito	Division Director of Advanced Security Division

• Note: Current Managing Executive Officer of Masayoshi Tobita will retire from his position as Managing Executive Officer on March 31, 2024. He will be nominated as a candidate for Company Auditor for IIJ's 32nd Ordinary General Meeting of Shareholders which is to be held on June 27, 2024.
• Note: Current Managing Executive Officer of Tadaharu Esaka will retire from his position as Managing Executive Officer on March 31, 2024. He will continue to be Managing Executive Officer of DeCurret DCP Inc.

Reference

As of June 27, 2024, IIJ's management structure will be as follows if all approvals are obtained:

Board Members

Position	Name
Member of the Board, Representative Director	Koichi Suzuki
Member of the Board, Representative Director	Eijiro Katsu
Member of the Board	Satoshi Murabayashi
Member of the Board	Yasuhiko Taniwaki
Member of the Board	Koichi Kitamura
Member of the Board	Akihisa Watai
Member of the Board	Junichi Shimagami
Member of the Board (part-time)	Takashi Tsukamoto(*1) (Senior Advisor of Mizuho Financial Group, Inc)
Member of the Board (part-time)	Kazuo Tsukuda(*1) (Former President and Representative Director of Mitsubishi Heavy Industries, Ltd.)
Member of the Board (part-time)	Yoichiro Iwama(*1) (Outside Director and Chairman of the Board of Nikko Asset Management Co., Ltd.)
Member of the Board (part-time)	Atsushi Okamoto(*1) (Former President and CEO of Iwanami Shoten, Publishers)
Member of the Board (part-time)	Kaori Tonosu (Ms.)(*1) (Director of JAPAN POST INSURANCE Co., Ltd., Former Board Member of Deloitte Touche Tohmatsu LLC)

• (*1)All part-time Directors are independent outside Directors.

Company Auditors

Position	Name
Company Auditor	Masayoshi Tobita (New appointment)
Company Auditor	Masako Tanaka (Ms.)
Company Auditor (part-time)	Takashi Michishita(*2) (Attorney at law)
Company Auditor (part-time)	Kumiko Aso (Ms.)(*2) (Certified Public Accountant (New appointment))

• (*2)Outside Company Auditors

• Note: Current Company Auditors Kazuhiro Ohira and Koichi Uchiyama will retire from Company Auditors at the end of their office terms, followed by the closing of IIJ's 32nd Ordinary General Meeting of Shareholders which is to be held on June 27, 2024.

Executive Officers

Position	Name	Responsibility
Chairman	Koichi Suzuki	Co-CEO
President	Eijiro Katsu	Co-CEO and COO
Executive Vice President	Satoshi Murabayashi	Corporate Management; in charge of Corporate Planning Division; President and Representative Director of DeCurret Holdings, Inc.
Executive Vice President	Yasuhiko Taniwaki	Corporate Management; in charge of Administrative Division
Senior Managing Executive Officer	Koichi Kitamura	Business Unit Director
Senior Managing Executive Officer	Akihisa Watai	CFO; Division Director of Finance Division
Senior Managing Executive Officer	Junichi Shimagami	CTO; Technology Unit Director
Senior Managing Executive Officer	Tadashi Kawashima	Division Director of Central Japan Business Division
Senior Managing Executive Officer	Naoshi Yoneyama	CIO; Division Director of Corporate Planning Division; Representative Director and President of JOCDN Inc.
Managing Executive Officer	Makoto Ajisaka	Division Director of Partner Business Division; in charge of Enterprise Business Division 4, Enterprise Business Division 5, Service Product Business Division, and Service Business Planning Division
Managing Executive Officer	Yoshikazu Yamai	Division Director of Infrastructure Engineering Division; Representative Director and President of IIJ Engineering Inc.
Managing Executive Officer	Koichi Maruyama	Division Director of Global Business Division
Managing Executive Officer	Masakazu Tachikui	In charge of IoT Business Division and new business innovation
Managing Executive Officer	Seiji Okita	In charge of Professional Services Divisions
Managing Executive Officer	Akira Sumiya	Division Director of Administrative Division; CISO; CRO; CPO (*3)
Managing Executive Officer	Takenori Onishi	In charge of domestic branches and Enterprise Business Division 1
Managing Executive Officer	Shigeo Yabuki	Division Director of MVNO Division
Managing Executive Officer	Ken Araki	In charge of Financial Systems Business Division 1, Financial Systems Business Division 2, and Raptor Business Development Division
Managing Executive Officer	Hajime Shironouchi	Division Director of Network Division
Executive Officer	Masami Kawamata	General Manager of Accounting Department
Executive Officer	Takahiro Ide	Division Director of Enterprise Business Division 2; in charge of Enterprise Business Division 3
Executive Officer	Naoshi Someya	Division Director of Cloud Division
Executive Officer	Takahiko Hiyama	Deputy Division Director of Finance Division
Executive Officer	Kaori Kawakami (Ms.)	Executive Director of Sustainability Committee
Executive Officer	Hiroo Shirasaki	Deputy Division Director of Network Division; General Manager of Systems Engineering Development Division
Executive Officer	Takeshi Hatano	Division Director of Government Public & Educational Organization Business Division
Executive Officer	Mamoru Saito (New appointment)	Division Director of Advanced Security Division

• (*3)CISO: Chief Information Security Officer; CRO: Chief Risk Officer; CPO: Chief Privacy Officer

The statements within this release contain forward-looking statements about our future plans that involve risk and uncertainty. These statements may differ materially from actual future events or results.

For inquiries, contact

IIJ Corporate Communications

• +81-3-5205-6310
• +81-3-5205-6377
• press@iij.ad.jp