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Overview

Information Strategy and Technology Co.,Ltd.

Information Strategy and Technology provides system in-house development support services exclusively for large, blue-chip Japanese corporations, delivering agile-based '0-next DX' development in which the company's engineers work as a single integrated team directly with client organizations, bypassing traditional multi-tier subcontracting structures. Core service offerings include '0-next System Development' (collaborative agile development), '0-next Labo' (team-based solution delivery), '0-next Consulting' (strategy planning), and the 'WhiteBox' open platform for the IT development industry. Major clients span financial services, manufacturing, distribution, and media sectors, including Mizuho Bank, Suntory Holdings, and TV Tokyo Communications.

Market Cap

¥7.96B

US$50.8M

¥7.54B

US$48.1M

Stock¥774▼-2.89%

US$1 = ¥156.80 (2026-10-23)

LTM EV/EBITDA

9.8

LTM EV/EBIT

10.1

LTM PER

19.4

LTM PBR

4.1

Stock vs TOPIX (1Y, base=100)vs TOPIX ▼-47.9%pt

Oct 24, 25 – Oct 23, 26StockTOPIX

MC → EV Bridge

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Generating insights…

Performance & Balance

Revenue 5Y (¥B)

EBITDA 5Y (¥B)

Net Income 5Y (¥B)

Capital Structure

51%

49%

EquityD/E 0.97xDebt

Liquidity vs Debt 5Y (¥B)▲ Net Cash

CashInv. Sec.Debt

Shareholders

Top 10 hold 80.7%

as of 2026-06-30 · Source: Annual Securities Report

Jun TAKAI

35.64%

IST Holdings Co., Ltd.

33.93%

Information Strategy and Technology Co.,Ltd. Employee Stock Ownership Association

2.90%

Koshi ISOGAI

2.56%

SBI SECURITIES Co., Ltd.

1.35%

Takashi TAKIMOTO

1.05%

Shota KAWAHARA

1.02%

Shigenori HIROTA

0.92%

Shigeki KONUMA

0.68%

Rakuten Securities, Inc. (Joint Account)

0.66%

Management

8 officers

Jun TAKAI

Representative Director, President

Apr 2000 Joined Shoko Fund Co., Ltd. Mar 2003 Joined PC Works Co., Ltd. (now BayCurrent Consulting, Inc.) Nov 2004 Joined Kepel Co., Ltd. Jan 2009 Founded the Company; Representative Director, President (current) Jun 2014 Director, coolest Co., Ltd. (renamed Johoseiryaku Partners Co., Ltd., then iforward Co., Ltd.; absorbed by the Company) Dec 2016 Founded IST Holdings Co., Ltd.; Representative Director (current) Apr 2017 Director, Triangle First Co., Ltd. (renamed WhiteBox Co., Ltd.; absorbed by the Company)

1975-06-12

Shota KAWAHARA

Director

Apr 2012 Joined The Bank of Tokyo-Mitsubishi UFJ, Ltd. (now MUFG Bank, Ltd.) Apr 2017 Joined Sumishin SBI Net Bank, Ltd. Feb 2019 Joined CloudNine Co., Ltd. May 2019 Joined the Company Nov 2019 Representative Director, WhiteBox Co., Ltd. (absorbed by the Company) Jan 2020 Outside Director, CEspace Co., Ltd. Jan 2022 Executive Officer, the Company (current) Jan 2025 Representative Director, WhiteBox Co., Ltd. (current) Mar 2026 Director, the Company (assumed office)

1989-06-10

Takashi TAKIMOTO

Director

Apr 2000 Joined Cresco Ltd. Mar 2003 Joined Markeye Inc. Feb 2004 Joined PC Works Co., Ltd. Apr 2006 Joined Markeye Inc. Apr 2006 Joined Lightspeed Co., Ltd. Nov 2009 Director, S-Cubism Co., Ltd. Apr 2016 Director, the Company Jan 2017 Representative Director, Triangle First Co., Ltd. (renamed WhiteBox Co., Ltd.; absorbed by the Company) Aug 2022 Executive Officer, the Company (current) Sep 2025 Corporate Auditor, WhiteBox Co., Ltd. Nov 2025 Corporate Auditor, A.K. Plus Co., Ltd. Mar 2026 Director, the Company (assumed office)

1977-09-23

Kazumasa KANAI

Director

Apr 1985 Joined Hitachi, Ltd. Apr 2012 General Manager, Fifth Department, Financial Sales Division II, Financial Systems Sales Headquarters, Information & Telecommunication Systems Company, Hitachi, Ltd. Apr 2014 General Manager, Financial Sales Division II, Financial Systems Sales Headquarters, Information & Telecommunication Systems Company, Hitachi, Ltd. Oct 2016 Director, Hitachi Capital Corporation (now Mitsubishi HC Capital Inc.) Nov 2017 Representative Director, Wind Power Energy Inc. Apr 2021 Advisor, Mitsubishi HC Capital Inc. Mar 2022 Director, the Company (current) Feb 2024 Advisor, Joho Kojo Co., Ltd. (current) Oct 2025 Advisor, GetIt Co., Ltd. (current)

1959-12-05

Kozo IIDA

Director

Apr 1974 Joined Sumitomo Bank, Ltd. (now Sumitomo Mitsui Banking Corporation) Jan 2001 General Manager, International Markets Systems Department, Sumitomo Bank, Ltd. Apr 2003 Executive Officer, The Japan Research Institute, Limited Jun 2006 Managing Executive Officer, The Japan Research Institute, Limited Jun 2007 Director and Managing Executive Officer, The Japan Research Institute, Limited Jan 2010 Standing Director, Corporate Information Systems Association (public interest incorporated association) (current) Jun 2012 Representative Director and Senior Managing Executive Officer, The Japan Research Institute, Limited Jun 2013 Representative Director and Vice President Executive Officer, The Japan Research Institute, Limited Dec 2016 Corporate Auditor, DI Systems Co., Ltd. Oct 2018 Advisor, SCSK Corporation (current) Jan 2023 Director, Asliebrains Co., Ltd. Mar 2023 Director, the Company (current) Jan 2025 Advisor, DI Systems Co., Ltd. (current)

1951-02-16

Setsuo MIYAGAWA

Full-time Corporate Auditor

Apr 1984 Joined Itochu Corporation Apr 1988 Seconded to Itochu Express Co., Ltd. (now Itochu Logistics Corp.) Apr 1997 Itochu Corporation, Space & Information Multimedia Business Review Department Apr 2001 Deputy Head, Business Review Office, Space & Information Multimedia Company, Itochu Corporation Apr 2004 Seconded to Itochu Minerals & Energy of Australia Pty Ltd. Apr 2007 Seconded to Nano Media Co., Ltd. Apr 2009 Deputy Head, Business Management Office, Information & Communications and Aerospace Electronics Company, Itochu Corporation Sep 2011 Accounting Office, Metals Company, Itochu Corporation Apr 2015 Risk Management Office, Integrated RM Department, Itochu Corporation Jun 2018 Full-time Outside Corporate Auditor, Japan Foods Co., Ltd. Jun 2018 Outside Corporate Auditor, JF Water Service Co., Ltd. Apr 2019 Outside Corporate Auditor, Water Net Co., Ltd. Apr 2019 Outside Corporate Auditor, Water Net Engineering Co., Ltd. Oct 2023 Full-time Outside Corporate Auditor, Daybreak Co., Ltd. Mar 2026 Corporate Auditor, the Company (assumed office)

1960-09-05

Genta IMAMURA

Corporate Auditor

Oct 2006 Director, Harukiya Sohonten Co., Ltd. (current) Jan 2010 Joined Deloitte Touche Tohmatsu LLC Nov 2017 Corporate Auditor, F-Code Inc. Feb 2018 Opened Genta Imamura CPA & Tax Accountant Office; Head Mar 2022 Corporate Auditor, the Company (current) Mar 2024 Director, Audit and Supervisory Committee Member, F-Code Inc. (current) Jan 2025 Head, Genta Imamura CPA Office (current) Jan 2025 Partner, Compass Mirai Tax Corporation (current)

1988-01-04

Masahiro OHAMA

Corporate Auditor

Oct 2005 Registered as an attorney (Tokyo Bar Association) Oct 2005 Joined Roa United Law Office Jan 2009 Opened Rays Consulting Law Office; Representative Attorney Mar 2013 Representative Member, Rays Consulting LLC (current) Sep 2015 Corporate Auditor, nLinks Co., Ltd. (current) Apr 2016 Established Rays Consulting Law Office LPC; Representative Member (current) Nov 2017 Corporate Auditor, First Accounting Co., Ltd. (current) Oct 2022 Corporate Auditor, the Company (current)

1980-10-31

Large Shareholding Reports

Atsushi TAKAI

2026-09-30

34.56%→34.20%

Annual report (as of 2026-06-30): 35.64%

Atsushi TAKAI

2026-01-20

35.36%→34.56%

Annual report (as of 2026-06-30): 35.64%

Atsushi TAKAI

2025-09-11

37.28%→35.36%

Annual report (as of 2026-06-30): 35.64%

Atsushi TAKAI

2025-08-08

37.39%→37.28%

Annual report (as of 2026-06-30): 35.64%

Disclosures

No disclosures

Primary Source Filings

EDINET

2026-09-30

Large Shareholding Report

Information Strategy and Technology Co.,Ltd.

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Information Strategy and Technology Co.,Ltd.

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