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Overview

Information & Communication

DTS CORPORATION

DTS Corporation is a total systems integrator (SIer) providing end-to-end IT services including consulting, system design, development, operation, and maintenance across industries such as financial services, manufacturing, retail, and the public sector. The company operates through three segments—Business & Solutions, Technology & Solutions, and Platform & Services—delivering industry-specific solutions, digital transformation (DX) services, cloud and infrastructure management, and proprietary software products such as the 3D housing CAD 'Walk in home' and AML solution 'AMLion'. DTS differentiates itself through strong project management capabilities, deep industry expertise, and a broad portfolio of partner and proprietary solutions spanning AI, ERP, security, and data analytics.

Activists: Asset Value Investors Limited 7.45%

Market Cap

¥192B

US$1.23B

¥157B

US$998M

Stock¥1,229▼-0.16%

US$1 = ¥156.80 (2026-10-23)

LTM EV/EBITDA

9.4

LTM EV/EBIT

9.7

LTM PER

17.1

LTM PBR

3.2

Stock vs TOPIX (1Y, base=100)vs TOPIX ▼-28.4%pt

Oct 23, 25 – Oct 23, 26StockTOPIX

1Oct 28, 25Post-earnings profit taking

2Jan 20, 26Asset Value Investors Limited changed stake (5.26%→6.28%)

3Aug 3, 26Q1 FY2027/03 earnings announced

MC → EV Bridge

AI Briefing

DTS is a Tokyo-listed total SIer spanning financial, manufacturing, retail and public-sector clients, now layering in an AI-CoE to push DX and AI services. FY26/3 revenue ¥135B with OP margin expanding to 12.2%, continuing steady multi-year growth and profitability gains. No tender offer in play; fragmented institutional/trust-led register and ¥0 net debt position leave balance-sheet capacity for consolidation moves.

Performance & Balance

Revenue 5Y (¥B)

EBITDA 5Y (¥B)

Net Income 5Y (¥B)

Capital Structure

100%

EquityD/E 0.00xDebt

Liquidity vs Debt 5Y (¥B)▲ Net Cash

CashInv. Sec.Debt

Shareholders

Top 10 hold 46.7%

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

The Master Trust Bank of Japan, Ltd. (Trust Account)

14.91%

DTS CORPORATION Employee Stock Ownership Association

7.44%

State Street Bank and Trust Company Client Omnibus Account OM02 505002 (Standing Proxy: Mizuho Bank, Ltd., Settlement Services Department)

5.75%

Custody Bank of Japan, Ltd. (Trust Account)

4.41%

NTC Co., Ltd.

2.94%

STATE STREET BANK AND TRUST COMPANY 505001 (Standing Proxy: Mizuho Bank, Ltd.)

2.84%

THE BANK OF NEW YORK MELLON 140044 (Standing Proxy: Mizuho Bank, Ltd.)

2.60%

Tomotomi KOZAKI

2.02%

NTT DATA Japan Corporation

1.94%

The Chase Manhattan Bank, N.A. London SL Omnibus Account (Standing Proxy: Mizuho Bank, Ltd., Settlement Services Department)

1.80%

Management

10 officers

Tomoaki KITAMURA

Representative Director, President

Jul 2003 NTT DATA Corporation, General Manager, Business Development Division Jul 2009 NTT DATA Corporation, Head of Data Center Business Unit, Business Solutions Division Jul 2012 NTT DATA Corporation, Head of Data Center Business Unit, Infrastructure Systems Division Jun 2015 NTT DATA Tokai Corporation, Representative Director, President Jun 2018 NTT DATA Corporation, Executive Officer, Head of Business Solutions Division Jun 2018 NTT DATA Business Systems Corporation, Director Jun 2020 DTS Corporation, Director, Vice President Executive Officer Apr 2021 DTS Corporation, Head of Digital Solutions Division Apr 2021 DTS Corporation, Representative Director, President (current)

1964-09-24

Isao ASAMI

Director, Senior Managing Executive Officer

Apr 1987 Joined DTS Corporation Apr 2010 DTS Corporation, General Manager, Planning Department Apr 2012 DTS Corporation, Executive Officer Apr 2013 DTS Corporation, General Manager, Embedded Systems Business Division, ICT Business Division Apr 2017 DTS Insight Corporation, Representative Director, President Jun 2019 DTS Corporation, Director, Executive Officer Apr 2020 DTS Corporation, Director, Senior Executive Officer Apr 2022 DTS Corporation, Director, Managing Executive Officer Mar 2024 DTS Corporation, General Manager, Accounting Department Apr 2025 DTS Corporation, Director, Senior Managing Executive Officer (current) Apr 2025 DTS Corporation, Executive in charge of Business Operations (current)

1964-10-20

Kazumasa YANAKA

Director, Managing Executive Officer

Jul 2015 NTT DATA Corporation, General Manager, Planning Department, Business Solutions Division Apr 2018 NTT DATA Corporation, General Manager, AI & IoT Business Department, Business Solutions Division Jul 2022 NTT DATA Corporation, General Manager, Technology Consulting Business Division Jul 2024 Joined DTS Corporation Jul 2024 DTS Corporation, Senior Executive Officer Nov 2024 DTS Corporation, General Manager, New Business Group and Common Group Dec 2024 Partners Information Technology, Inc., Chairman of the Board of Directors (current) Apr 2025 DTS Corporation, Managing Executive Officer Apr 2025 DTS Corporation, Executive in charge of Corporate Division (current) Jun 2025 DTS Corporation, Director, Managing Executive Officer (current) Apr 2026 DTS Corporation, General Manager, Public Relations Department (current)

1970-01-21

Shinichi YAMADA

Director

Jun 2003 NTT DATA Corporation, Director, Deputy General Manager, Business Development Division May 2004 NTT DATA Corporation, Director, General Manager, Business Development Division Jun 2005 NTT DATA Corporation, Executive Officer, General Manager, Infrastructure Systems Division Jun 2007 NTT Data Advanced Technology Corporation, Representative Director, President (resigned Jun 2011) Jun 2007 NTT DATA Corporation, Managing Executive Officer, General Manager, Infrastructure Systems Division and Technology Development Division Jun 2009 NTT DATA Corporation, Representative Director, Managing Executive Officer, General Manager, Infrastructure Systems Division and Technology Development Division Jul 2009 NTT DATA Corporation, Representative Director, Managing Executive Officer, General Manager, S&T Company, SI Competency Division and Technology Development Division (resigned Jun 2011) Jun 2011 NTT Software Corporation, Representative Director, President (resigned Mar 2017) Apr 2017 NTT TechnoCross Corporation, Director (resigned Jun 2017) Jun 2017 NTT TechnoCross Corporation, Special Advisor (resigned Jun 2018) Jun 2020 DTS Corporation, Director (current)

1952-02-25

Yumiko MASUDA

Director

May 1990 Bell System24, Inc., Banking Group Manager (resigned Jun 1996) Sep 1996 IBM Japan, Ltd., Solution Sales Jan 2003 IBM Japan, Ltd., Financial Strategy Consulting Cluster Partner, GS Consulting Division (resigned Jun 2006) Jul 2006 SAP Japan Co., Ltd., Director, Strategic Industry Sales, Field Services Division (resigned May 2009) Jun 2009 Consumer Voice Research Institute Co., Ltd., Representative Director (current) Jun 2018 PC Depot Corporation, Outside Director (resigned Jun 2024) Jun 2022 DTS Corporation, Director (current) Jun 2024 NITTAN Corporation, Outside Director (current) Mar 2025 K&O Energy Group Inc., Outside Director (current)

1955-10-20

Shigeo KIZAKI

Director

Jan 2003 Booz Allen Hamilton Japan, Inc., Vice President (resigned Mar 2010) Apr 2010 IBM Japan, Ltd., Partner Jan 2012 IBM Japan, Ltd., Executive (resigned Mar 2013) Apr 2013 Brain and Capital Holdings Co., Ltd., Representative Director, President Jan 2014 Brain and Capital Holdings Co., Ltd., Director, Vice Chairman (resigned Mar 2017) Apr 2015 Orion Electric Co., Ltd., Representative Director, President Nov 2016 Orion Electric Co., Ltd., Director, Chairman (resigned Mar 2017) Nov 2017 Future Corporation, Executive Officer (resigned Feb 2019) Mar 2019 Kizaki Enterprise Co., Ltd., Representative Director (current) Mar 2019 Billing System Co., Ltd., Outside Director (current) Jun 2025 DTS Corporation, Director (current)

1963-06-28

Yutaka NAKAMURA

Director, Full-time Audit and Supervisory Committee Member

Apr 2010 Mizuho Bank, Ltd., Kujo Branch Manager Sep 2013 Joined DTS Corporation Apr 2015 DTS Corporation, Executive Officer Apr 2015 DTS Corporation, General Manager, Planning Department, First Financial Business Division; General Manager, Financial Sales Planning Department, Second Financial Business Division Apr 2016 DTS Corporation, General Manager, Sales Division Apr 2019 DTS Corporation, General Manager, Corporate Planning Department Jun 2020 DTS Insight Corporation, Director Apr 2023 DTS Corporation, General Manager, Business Development Department Apr 2024 AVANZA Corporation, Representative Director, Chairman Jun 2025 DTS Corporation, Director, Full-time Audit and Supervisory Committee Member (current)

1961-09-28

Taeko ISHII

Director, Audit and Supervisory Committee Member

Apr 1986 Registered as attorney-at-law (First Tokyo Bar Association) Mar 1992 Ota & Ishii Law Office, Deputy Managing Partner (current) Apr 1998 Tokyo District Court, Civil Mediation Commissioner (current) Apr 2003 Member, Civil Service Case Law Study Group, Personnel and Pension Bureau, Ministry of Internal Affairs and Communications (now Civil Service Case Law Study Group, Cabinet Personnel Bureau, Cabinet Secretariat) (current) Apr 2004 Furusato Service Co., Ltd., Outside Auditor (current) Nov 2007 Central Construction Dispute Review Board, Ministry of Land, Infrastructure, Transport and Tourism, Special Committee Member (current) Jun 2018 DTS Corporation, Auditor Jun 2018 NEC Corporation, Outside Auditor (resigned Jun 2022) Jun 2018 Sumitomo Metal Mining Co., Ltd., Outside Director (current) Jun 2021 Dai Nippon Printing Co., Ltd., Outside Auditor (current) Jun 2022 DTS Corporation, Director, Audit and Supervisory Committee Member (current)

1956-05-07

Nobuyasu IIMURO

Director, Audit and Supervisory Committee Member

Sep 1991 Joined Aoyama Audit Corporation Aug 1995 Registered as Certified Public Accountant Apr 2000 Chuo Aoyama Audit Corporation, Audit Division (resigned Aug 2006) Sep 2006 Arata Audit Corporation (resigned Jul 2012) Jul 2012 Certified Public Accountants and Auditing Oversight Board, Financial Services Agency, Chief Inspector (resigned Jun 2014) Jul 2014 Arata Audit Corporation, Audit Division, Director Jul 2017 PwC Arata LLC, Audit Division, Partner (resigned Jun 2022) Jul 2022 Iimuro Certified Public Accountant Office, Principal (current) Jun 2023 DTS Corporation, Director, Audit and Supervisory Committee Member (current) Nov 2023 Meiji Pharmaceutical University, Auditor (current)

1962-04-21

Hiroshi OHNO

Director, Audit and Supervisory Committee Member

May 2007 Chuo Mitsui Trust and Banking Company, Limited, Oita Branch Manager Oct 2008 Chuo Mitsui Trust and Banking Company, Limited, General Manager, Head Office Financial Corporate Department Jun 2010 Chuo Mitsui Trust and Banking Company, Limited, Shibuya Branch Manager Jan 2012 Chuo Mitsui Trust and Banking Company, Limited, General Manager, Fifth Head Office Sales Department Apr 2012 Sumitomo Mitsui Trust Bank, Limited, Executive Officer, General Manager, Fifth Head Office Sales Department Apr 2014 Sumitomo Mitsui Trust Bank, Limited, Senior Executive (resigned Jun 2014) Jul 2014 Ando Corporation, Adviser, Architecture Division Oct 2014 Ando Corporation, Executive Officer Apr 2023 Ando Corporation, Adviser, in charge of Sales Division (resigned Mar 2024) Apr 2024 Developer Sanshin Co., Ltd., Adviser (resigned Jun 2024) Jun 2024 DTS Corporation, Director, Audit and Supervisory Committee Member (current)

1961-04-26

Large Shareholding Reports

Asset Management One Co., Ltd.

2026-10-07

2.95%

Asset Value Investors Limited

2026-10-06

6.43%→7.45%

Asset Value Investors Limited

2026-08-10

6.28%→6.43%

Asset Value Investors Limited

2026-01-20

5.26%→6.28%

Sumitomo Mitsui Trust Asset Management Co., Ltd.

2025-09-19

2.92%→2.10%

Asset Value Investors Limited

2024-06-06

6.74%→5.26%

Asset Value Investors Limited

2024-02-22

7.77%→6.74%

Asset Value Investors Limited

2023-10-30

8.90%→7.77%

Asset Value Investors Limited

2022-02-15

8.67%→8.90%

Asset Value Investors Limited

2021-12-07

7.66%→8.67%

Asset Value Investors Limited

2021-12-07

7.66%→8.67%

Disclosures

No disclosures

Primary Source Filings

EDINET

2026-10-07

Large Shareholding Report

DTS CORPORATION

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