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Overview

Information & Communication

RYOMO SYSTEMS CO.,LTD.

Ryomo Systems is an independent IT systems integrator headquartered in Kiryu, Gunma Prefecture, providing comprehensive information processing services primarily to public sector clients (local governments, healthcare) and industrial/commercial clients (manufacturing, utilities, distribution) across Japan. The company delivers system development, operation, and maintenance services, as well as data center and managed IT services. Its competitive strengths lie in deep regional roots in the Kanto/Tohoku corridor, long-standing client relationships across both public and private sectors, and offshore development capabilities through subsidiaries in Vietnam and the Philippines.

Market Cap

US$113M

¥18.1B

US$94.4M

¥15.1B

StockUS$32.31(¥5,160)▲+0.00%

US$1 = ¥159.70 (2026-11-12)

LTM EV/EBITDA

3.6

LTM EV/EBIT

5.4

LTM PER

9.0

LTM PBR

1.1

Stock vs TOPIX (1Y, base=100)vs TOPIX ▼-2.4%pt

Nov 13, 25 – Oct 8, 26StockTOPIX

1Jan 27, 26Q3 FY2026/03 earnings announced; Full-year guidance revised

2Jan 29, 26Adjustment selling after earnings

MC → EV Bridge

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Performance & Balance

Revenue 5Y (US$)

EBITDA 5Y (US$)

Net Income 5Y (US$)

Capital Structure

74%

26%

EquityD/E 0.35xDebt

Liquidity vs Debt 5Y (US$)▲ Net Cash

CashInv. Sec.Debt

Business Segments

2026/03 · US$ (¥B)

Public business

Revenue

US$92.4M(¥14.8B)

Segment profit

US$19.2M(¥3.07B)20.8%

Social and industrial business

Revenue

US$68.7M(¥11.0B)

Segment profit

US$12.8M(¥2.05B)18.7%

Adjustments

Revenue

—

Segment profit

-US$13.2M(¥-2.11B)

No segment changes in the last 5 years

Shareholders

Top 10 hold 73.0%

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

MITSUBA Corporation

51.30%

The Bank of Yokohama, Ltd. (Standing Proxy: Custody Bank of Japan, Ltd.)

4.95%

ＨＩＫＡＲＩＴＳＵＳＨＩＮＩＮＶＥＳＴＭＥＮＴＳＯＫＩＮＡＷＡ㈱

3.07%

Tomohiro YOSHIDA

2.90%

Hikari Tsushin, Inc. Investment Business Limited Liability Partnership

2.14%

Sadami HINO

2.01%

RYOMO SYSTEMS CO.,LTD. Employee Stock Ownership Association

1.91%

SECOM General Insurance Co., Ltd.

1.85%

Sunfield Industry Ltd.

1.68%

Kiryu Gas Co., Ltd.

1.15%

Management

9 officers

Naoki KITAZAWA

Representative Director, President and Executive Officer

Apr 1982 Joined the Company Apr 2009 Executive Officer Jun 2011 Director, Executive Officer Jun 2012 Director, Managing Executive Officer Apr 2015 Director, Senior Managing Executive Officer Jun 2018 Representative Director, Senior Managing Executive Officer Jun 2019 Representative Director, President and Executive Officer (current)

1958-02-01

Nobuhiro YAMAZAKI

Representative Director, Executive Vice President and Executive Officer; General Manager, Administration Division

Apr 1985 Joined the Company May 2011 Executive Officer Jun 2013 Director, Executive Officer Apr 2015 Director, Managing Executive Officer Apr 2020 Director, Senior Managing Executive Officer; General Manager, Administration Division (current) Jun 2025 Representative Director, Executive Vice President and Executive Officer (current)

1960-07-15

Shuji FUJINO

Representative Director, Senior Managing Executive Officer; General Manager, Business Division; Head of Business Division

Apr 1986 Joined the Company May 2011 Executive Officer Jun 2013 Director, Executive Officer Apr 2015 Director, Managing Executive Officer Apr 2020 Director, Senior Managing Executive Officer; General Manager, Business Division (current) Apr 2021 Head of Business Division (current) Jun 2025 Representative Director, Senior Managing Executive Officer (current)

1963-10-19

Minoru OSAWA

Director, Senior Managing Executive Officer; General Manager, Data Center Business Division

Apr 1989 Joined the Company Apr 2013 Executive Officer Apr 2020 Managing Executive Officer Jun 2023 Director, Managing Executive Officer Apr 2025 Director, Senior Managing Executive Officer (current); General Manager, Data Center Business Division (current)

1967-01-16

Kazunori KAMIYAMA

Director, Managing Executive Officer

Apr 1987 Joined the Company Apr 2013 Executive Officer Jun 2017 Director, Executive Officer Apr 2020 Director, Managing Executive Officer (current)

1962-10-05

Takayuki TADOKORO

Director, Audit and Supervisory Committee Member

Apr 1989 Joined the Company Apr 2023 Executive Officer Jun 2026 Director, Audit and Supervisory Committee Member of the Company (current)

1965-10-28

Yoji HOSHINO

Director, Audit and Supervisory Committee Member

Apr 1991 President and Representative Director, Hoshino Bussan Co., Ltd. (current) Apr 1995 President and Representative Director, Gunma Kogyo Co., Ltd. (current) Jun 2003 Audit & Supervisory Board Member of the Company Sep 2007 President and Representative Director, Maebashi Unyu Co., Ltd. (current) Jun 2016 Director, Audit and Supervisory Committee Member of the Company (current)

1949-07-28

Noboru KOJIMA

Director, Audit and Supervisory Committee Member

May 1981 Registered as Certified Tax Accountant Mar 1982 Registered as Certified Public Accountant Dec 2001 Assumed position of Representative, Chiyoda Kokusai Certified Public Accountants Joint Office (current) Jan 2014 Assumed position of Representative, Chiyoda Tax Corporation (current) Jun 2020 Director, Audit and Supervisory Committee Member of the Company (current)

1948-12-19

Tomoko TAKEHARA

Director, Audit and Supervisory Committee Member

Dec 2016 Registered as Attorney-at-law (Tokyo Bar Association) Assumed position of Deputy Director, Tokyo Seishin Law Office (current) Mar 2017 Director, Fujio Research Institute Inc. (current) Jun 2023 Director, Audit and Supervisory Committee Member of the Company (current)

1961-10-12

Large Shareholding Reports

Hikari Tsushin Investments Okinawa Co., Ltd.

2026-07-15

3.07%→0.00%

MITSUBA Corporation

2026-07-09

51.14%→79.74%

Annual report (as of 2026-03-31): 51.30%

MITSUBA Corporation

2026-05-21

51.14%→51.14%

Annual report (as of 2026-03-31): 51.30%

MITSUBA Corporation

2026-05-21

51.14%→51.14%

Annual report (as of 2026-03-31): 51.30%

MITSUBA Corporation

2026-05-21

51.14%→51.14%

Annual report (as of 2026-03-31): 51.30%

Mitsuba Denki Seisakusho Co., Ltd.

2026-05-21

51.14%

Hikari Tsushin Investments Okinawa Co., Ltd.

2025-11-18

3.07%

Disclosures

No disclosures

Primary Source Filings

TDnet

2026-07-28

Q1 Earnings Flash

FY ending Mar 2027

RYOMO SYSTEMS CO.,LTD.

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RYOMO SYSTEMS CO.,LTD.

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