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Overview

Services

EXTREME CO.,LTD.

Extreme Co., Ltd. operates three core business segments: Digital Human Resources, Contract Development, and Content Property. The Digital Human Resources segment deploys skilled programmers and graphic developers (Creators & Engineers) to client companies in the game, smartphone app, web, and IT sectors on a staff augmentation basis. The Contract Development segment delivers end-to-end software solutions including smartphone app development, cloud platform construction, and CRM implementation, while the Content Property segment monetizes the group's game and character intellectual property through game development, sales, operations, and licensing.

Market Cap

¥8.04B

US$51.3M

¥2.95B

US$18.8M

Stock¥1,501▼-1.44%

US$1 = ¥156.80 (2026-10-23)

LTM EV/EBITDA

2.1

LTM EV/EBIT

1.9

LTM PER

6.9

LTM PBR

1.2

Stock vs TOPIX (1Y, base=100)vs TOPIX ▼-8.7%pt

Oct 24, 25 – Oct 23, 26StockTOPIX

1Feb 12, 26Q3 results: Revenue +3.4% YoY, Operating profit -4.2% YoY

2Feb 13, 26Post-earnings profit-taking

MC → EV Bridge

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Performance & Balance

Revenue 5Y (¥B)

EBITDA 5Y (¥B)

Net Income 5Y (¥B)

Capital Structure

89%

EquityD/E 0.13xDebt

Liquidity vs Debt 5Y (¥B)▲ Net Cash

CashInv. Sec.Debt

Shareholders

Top 10 hold 62.4%

as of 2026-03-31 · Source: Annual Securities Report

Shohei SATO

46.27%

Yoshihisa YAMASHITA

3.05%

Yuji IZUMI

2.07%

Yuji NISHIMURA

1.83%

Yuji NAGAOKA

1.78%

Ueda Yagi Tanshi Co., Ltd.

1.69%

JPMSLLC CLIENT ASSETS SK JPY (Standing Proxy: Citibank, N.A., Tokyo Branch)

1.61%

MSIP CLIENT SECURITIES (Standing Proxy: Morgan Stanley MUFG Securities Co., Ltd.)

1.50%

Shuichiro YUSA

1.31%

Yukiko IZUMI

1.29%

Management

9 officers

Shohei SATO

Representative Director, President and CEO

Apr 1989 Joined Sammy Industries Co., Ltd. (currently Sammy Corporation) Nov 1996 Joined Nihon Computer Systems Co., Ltd.; General Manager, Messiah Business Division May 2000 Established CrossNotes Co., Ltd.; assumed position of Representative Director May 2005 Established the Company; assumed position of Representative Director, President Jun 2014 Assumed position of Representative Director, President and CEO of the Company (current)

1964-02-13

Yoshinori SHIMADA

Director, General Manager of Administration Division

Apr 2000 Joined Kyocera Communication Systems Co., Ltd. Oct 2004 Joined NS Building Internal Medicine Clinic Apr 2008 Joined Promedic Co., Ltd. Apr 2009 Joined PC Phase Co., Ltd. Jul 2016 Joined the Company; General Manager, Corporate Planning Office Jun 2018 Executive Officer and General Manager, Corporate Planning Office of the Company Jun 2023 Assumed position of Director of the Company (current) Jul 2023 Assumed position of General Manager, Administration Division of the Company (current)

1978-02-24

Motohiro UMEKI

Director

Apr 1986 Joined Sakata S.A.S. Co., Ltd. Nov 2008 Director, S.A.S. Co., Ltd. Jul 2016 Assumed position of Representative Director, S.A.S. Co., Ltd. (current) Jul 2016 Assumed position of Representative Director, Sakata S.A.S. Co., Ltd. (current) Jun 2024 Assumed position of Director of the Company (current)

1964-04-24

Kazuki KOBAYASHI

Director

Nov 2000 Joined With One Co., Ltd. Sep 2012 Joined Karen Co., Ltd. Oct 2017 Joined Altplus Co., Ltd. Jun 2020 Joined the Company Jun 2020 Director, Xlab Co., Ltd. (currently Xlab & Consulting Co., Ltd.) Jun 2024 Representative Director, Xlab Co., Ltd. (currently Xlab & Consulting Co., Ltd.) Jun 2025 Assumed position of Director of the Company (current) Jun 2025 Assumed position of Representative Director, President, Xlab & Consulting Co., Ltd. (current)

1974-04-06

Toshio YAMAGUCHI

Director

Oct 1988 Joined Sanwa Tohmatsu Aoki Audit Corporation (currently Deloitte Touche Tohmatsu LLC) Aug 1996 Joined JAFCO Co., Ltd. (currently JAFCO Group Co., Ltd.) May 2008 Established Yamaguchi Certified Public Accountant Office Jun 2009 Outside Audit & Supervisory Board Member, Digital Media Professionals Inc. (current) Mar 2011 Outside Audit & Supervisory Board Member, CellSeed Inc. Jun 2015 Assumed position of Director of the Company (current) Mar 2021 Outside Director (Audit and Supervisory Committee Member), CellSeed Inc.

1963-06-04

Masahito NONOMURA

Director

Apr 1987 Joined Recruit Co., Ltd. Jan 1998 General Manager, Sales Department, Yahoo Japan Corporation (currently LINE Yahoo Corporation) Apr 2003 Executive Officer, General Manager, Specialized Business Division, Pasona Inc. (currently Pasona Group Inc.) Jun 2005 President and Representative Director, Itec Inc. Nov 2007 Executive Officer, General Manager, Sales Division, trans cosmos inc. Jan 2012 Head of Strategic Account, General Manager, Google K.K. (currently Google Godo Kaisha) Aug 2014 Managing Executive Officer, Ascoe Partners Inc. Jun 2015 Information Industry Advisor, IT Innovation Center, Shimane Industrial Promotion Foundation (current) May 2016 General Manager, Broadcasting Division, Chukai Television Broadcasting Co., Ltd. May 2021 Director and Vice President, Ekaibu Agent Co., Ltd. May 2023 Audit & Supervisory Board Member, Sanrei Foods Co., Ltd. (current) Jun 2023 Outside Director, Ekitan Co., Ltd. Apr 2025 Advisor, NTT Docomo Business X Co., Ltd. (current) Jun 2026 Assumed position of Director of the Company (current)

1965-03-22

Hideyuki KITABATA

Full-time Audit & Supervisory Board Member

Feb 1985 Joined Nippon Kogaku K.K. (currently Nikon Corporation) Jun 2008 Assumed position of Executive Officer, General Manager, Business Strategy Division, Nikon Imaging Japan Co., Ltd. Jun 2011 Assumed position of Director and Deputy General Manager (Vice President), Nikon Imaging China Sales Co., Ltd. Mar 2016 Assumed position of Representative Director and President, Nikon Imaging Korea Co., Ltd. Apr 2019 Assumed position of Representative Director and President, Nikon Imaging Japan Co., Ltd. Apr 2022 Nikon Corporation, Management Audit Division Mar 2023 Outside Director (Audit and Supervisory Committee Member), Daiei Every 24 Co., Ltd. Aug 2024 Outside Audit & Supervisory Board Member, Twinkle World Co., Ltd. (current) Jun 2026 Assumed position of Audit & Supervisory Board Member of the Company (current)

1960-05-25

Miyo NISHIDA

Audit & Supervisory Board Member

Dec 2008 Registered as attorney-at-law Dec 2008 Joined Daiichi Chuo Law Office Sep 2009 Victim Recovery Administrator, Gorikai Victim Recovery Center, Tokyo District Public Prosecutors Office Apr 2010 Delegate, Japan Federation of Bar Associations Oct 2010 Joined Hayabusa Asuka Law Office Jun 2013 Assumed position of Audit & Supervisory Board Member of the Company (current) Jun 2015 Outside Audit & Supervisory Board Member, Gigaprize Inc. Feb 2021 Outside Audit & Supervisory Board Member, property technologies Inc. (current) Jun 2021 Outside Director (Audit and Supervisory Committee Member), Tenma Corporation Nov 2023 Outside Audit & Supervisory Board Member, Hito Communications Holdings, Inc. (current) Aug 2025 Outside Audit & Supervisory Board Member, Tenma Corporation (current)

1980-01-15

Katsunari KUSUMOTO

Audit & Supervisory Board Member

Apr 2001 Joined Azusa Audit LLC (formerly Asahi Audit Corporation) Oct 2008 Manager, Azusa Audit LLC Oct 2013 Established Kusumoto Certified Public Accountant Office and Kusumoto Tax Accountant Office Dec 2015 Managing Partner (Representative Member), Kusumoto Corporate Growth Consulting LLC (current) Jun 2016 Assumed position of Audit & Supervisory Board Member of the Company (current) Jun 2019 Director, Tokyo Tax Accountants' Association Oct 2025 Outside Director, Cosmedia Co., Ltd. (current)

1971-03-29

Large Shareholding Reports

SS Company LLC

2026-09-01

5.17%→33.67%

Shouhei SATO

2026-02-18

42.26%→39.81%

Annual report (as of 2026-03-31): 46.27%

Shouhei SATO

2025-11-19

44.96%→42.26%

Correction filing (name/detail fix only) — ratio carried over from the original filing

Annual report (as of 2026-03-31): 46.27%

Shouhei SATO

2025-11-18

44.96%→42.26%

Annual report (as of 2026-03-31): 46.27%

Shouhei SATO

2025-11-18

44.96%→42.26%

Correction filing (name/detail fix only) — ratio carried over from the original filing

Annual report (as of 2026-03-31): 46.27%

Disclosures

No disclosures

Primary Source Filings

EDINET

2026-09-01

Large Shareholding Report

EXTREME CO.,LTD.

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EXTREME CO.,LTD.

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