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Overview

Information & Communication

Plus Alpha Consulting Co.,LTD.

Plus Alpha Consulting is a leading provider of SaaS-based 'visualization platform' solutions that leverage proprietary natural language processing and text mining technology to transform big data into actionable insights. The company offers a portfolio of high-value-added subscription products spanning marketing automation (Customer Rings), talent management (Talent Palette), text mining (Mieruka Engine), FAQ/knowledge management (Alpha Scope), sales force automation (Sales Square), and school/healthcare management systems. Its differentiated 'PAC Cycle' model combines rapid product development with dedicated consulting support, driving high customer retention, rising ARPU, and strong LTV across enterprise clients in Japan.

Activists: Oasis Management Company Ltd. 0.00%

Market Cap

¥98.5B

US$627M

¥81.9B

US$521M

Stock¥2,324▲+0.13%

US$1 = ¥157.05 (2026-10-22)

LTM EV/EBITDA

10.9

LTM EV/EBIT

11.2

LTM PER

24.9

LTM PBR

5.7

Stock vs TOPIX (1Y, base=100)vs TOPIX ▼-25.3%pt

Oct 23, 25 – Oct 23, 26StockTOPIX

1Feb 4, 26Adjustment due to activist movements

2May 1, 26Oasis Management Company Ltd. filed large shareholding report

3May 8, 26Oasis Management Company Ltd. changed stake (8.02%→10.52%)

4May 13, 26Oasis Management Company Ltd. changed stake (10.52%→10.62%)

5Jun 16, 26Oasis Management Company Ltd. changed stake (10.62%→11.85%)

MC → EV Bridge

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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 58.8%

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

Katsuya MIMURO

12.25%

Kenji SUZUMURA

10.31%

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

7.11%

Alpha Style LLC

5.59%

Plus Energy LLC

5.30%

STATE STREET BANK AND TRUST COMPANY 505025 (Standing Proxy: Mizuho Bank, Ltd.)

4.33%

RAKUS Co.,Ltd.

4.10%

GOLDMAN SACHS INTERNATIONAL (Standing Proxy: Goldman Sachs Japan Co., Ltd.)

3.50%

Custody Bank of Japan, Ltd. (Trust Account)

3.27%

Mynavi Corporation

3.00%

Management

12 officers

Katsuya MIMURO

Representative Director, President

Apr 1993 Joined Nomura Research Institute, Ltd. Aug 2007 Director, Easy Consulting Co., Ltd. (now the Company) Oct 2007 Representative Director, President of the Company (current) Oct 2022 Director, Grow Up Co., Ltd. Jun 2024 Director, D4DR Co., Ltd. Jul 2024 Director, OM Network Co., Ltd.

1969-02-05

Kenji SUZUMURA

Director, Vice President; General Manager, Talent Palette Business Division

Apr 1999 Joined Nomura Research Institute, Ltd. Oct 2007 Director, the Company Oct 2015 Director, Vice President of the Company (current) Apr 2022 Director, Grow Up Co., Ltd. Oct 2022 Representative Director, Grow Up Co., Ltd. Feb 2024 Director, Attack Co., Ltd. (current) Jul 2024 Director, OM Network Co., Ltd. Oct 2025 Director, Grow Up Co., Ltd. (current)

1976-07-15

Wakaba KANEKO

Managing Director; Deputy General Manager, Talent Palette Business Division

Apr 1997 Joined Yamada Pharmaceutical Co., Ltd. Aug 2007 Joined Easy Consulting Co., Ltd. (now the Company) Oct 2014 Executive Officer, the Company Oct 2017 Director, the Company Oct 2022 Director, Grow Up Co., Ltd. Dec 2022 Managing Director, the Company (current) Feb 2024 Director, Attack Co., Ltd. Oct 2025 Representative Director, Attack Co., Ltd. (current)

1977-04-21

Shogo NOGUCHI

Director; General Manager, Corporate Strategy Division

Apr 1996 Joined Daiwa Institute of Research Ltd. Apr 2000 Joined Goldman Sachs Securities Co., Ltd. Aug 2002 Joined KPMG Corporate Finance Co., Ltd. (now KPMG FAS Co., Ltd.) Sep 2003 Joined Yahoo Japan Corporation (now LY Corporation) Sep 2006 Joined iFIS Japan Co., Ltd. Mar 2007 Director, iFIS Japan Co., Ltd. Jul 2019 Director, the Company (current) Jun 2024 Director, D4DR Co., Ltd. (current) Jul 2024 Director, OM Network Co., Ltd. (current) Oct 2025 Director, Grow Up Co., Ltd. (current) Oct 2025 Director, Attack Co., Ltd. (current)

1970-11-21

Takashi TAKEUCHI

Director; in charge of Information Systems

Apr 1995 Joined Fides Co., Ltd. Sep 1997 Joined Tokyo Soft Co., Ltd. Sep 2007 Joined Easy Consulting Co., Ltd. (now the Company) Oct 2014 Executive Officer, the Company Oct 2017 Director, the Company (current)

1972-08-04

Takashi NAKAI

Director; in charge of Business Promotion

Apr 1994 Joined Nomura Research Institute, Ltd. Apr 2004 Seconded to NRI Cyberpatent Co., Ltd. (now Cyberpatent Co., Ltd.) Oct 2010 Transferred to NRI Cyberpatent Co., Ltd. (now Cyberpatent Co., Ltd.) Feb 2016 Joined the Company Oct 2018 Executive Officer, the Company Oct 2019 Director, the Company (current) Jun 2024 Director, D4DR Co., Ltd. (current)

1968-09-17

Koji NISHIMURA

Director

Apr 1992 Registered as Attorney-at-Law, Tokyo Bar Association Apr 1992 Joined Matsuo Sogo Law Offices (current) Apr 2004 Lecturer, Faculty of Law, Chuo University (current) Jun 2007 Corporate Auditor, Nihon Parkerizing Co., Ltd. Dec 2014 Director, Serac Inc. (current) Mar 2015 Corporate Auditor, Kanro Inc. Jun 2015 Director, Nihon Parkerizing Co., Ltd. Apr 2017 Supervisory Executive Director, Mori Hills REIT Investment Corporation (current) Jun 2018 Corporate Auditor, Ocean Network Express Holdings Ltd. (current) Oct 2020 Director, the Company (current)

1965-10-06

Yoko MIZUSAKO

Director

Apr 1987 Joined Nomura Securities Co., Ltd. Apr 2000 Joined Careerize Inc. Mar 2005 Joined Scola Consult Co., Ltd. Oct 2008 Representative Director, President, Scola Consult Co., Ltd. Apr 2016 Director, OD Network Japan (NPO) (current) May 2020 Representative Partner, OD Lab LLC (current) Dec 2021 Director, the Company (current)

1966-08-30

Yoshihiko MUTO

Director

Apr 1985 Joined Nissan Motor Co., Ltd. Jul 1987 Joined Tokyu Agency International Inc. (now Frontage Inc.) Nov 1995 Joined Coors Japan Co., Ltd. Sep 1999 Joined Yahoo Japan Corporation (now LY Corporation) Apr 2009 Executive Officer, Yahoo Japan Corporation (now LY Corporation) Aug 2012 Representative Director, President, United Cinemas Co., Ltd. Nov 2014 Executive Officer, Freakout Holdings, Inc. Apr 2017 Joined Emotion Tech Co., Ltd. Feb 2020 Director, CSO, Innobiot Inc. (now miraii Inc.) (current) Aug 2020 Director, Emotion Tech Co., Ltd. Dec 2022 Director, the Company (current)

1960-06-25

Masahiko NAGANO

Full-time Corporate Auditor

Apr 1985 Joined Nikko Securities Co., Ltd. (now SMBC Nikko Securities Inc.) Nov 1999 Joined Tokyo Mitsubishi Securities Co., Ltd. (now Mitsubishi UFJ Morgan Stanley Securities Co., Ltd.) Apr 2000 Joined Fuji Securities Co., Ltd. (now Mizuho Securities Co., Ltd.) Sep 2005 Joined Shinsei Securities Co., Ltd., General Manager, Capital Markets Department Apr 2006 Joined Monex Securities Co., Ltd. Oct 2019 Full-time Corporate Auditor, the Company (current) Oct 2022 Corporate Auditor, Grow Up Co., Ltd. (current) Feb 2024 Corporate Auditor, Attack Co., Ltd. (current) Jun 2024 Corporate Auditor, D4DR Co., Ltd. (current) Jul 2024 Corporate Auditor, OM Network Co., Ltd. (current)

1959-05-24

Homare OCHIAI

Corporate Auditor

Oct 2001 Joined Shin Nihon & Co. (now EY Shin Nihon LLC) Mar 2007 Joined Sumitomo Trust & Banking Co., Ltd. (now Sumitomo Mitsui Trust Bank, Limited) Apr 2008 Joined AGS Consulting Co., Ltd. Apr 2019 Representative Director, President, Pipepepo Growth Inc. (current) Jul 2019 Corporate Auditor, the Company (current) Jul 2019 Corporate Auditor, e-Jan Networks Co., Ltd. (current) Aug 2019 Corporate Auditor, Geologic Inc. Jul 2020 Representative Partner, ES Next Audit Corporation (now ES Next LLC) Feb 2022 Managing Partner, ES Next LLC (current)

1977-02-17

Juri OKUBO

Corporate Auditor

Oct 2001 Director, TM Corporation (current) Sep 2007 Joined AGS Consulting Co., Ltd. Oct 2019 Principal, Juri Okubo Tax Accountant Office (current) Jan 2021 Corporate Auditor, Suneight Inc. Dec 2021 Corporate Auditor, the Company (current) Apr 2023 Corporate Auditor, Informetis Inc. (current)

1981-07-14

Large Shareholding Reports

Kenji SUZUMURA

2026-10-19

10.31%→10.38%

Annual report (as of 2026-03-31): 10.31%

Katsuya MIMURO

2026-10-09

12.12%→12.33%

Annual report (as of 2026-03-31): 12.25%

Kenji SUZUMURA

2026-09-25

10.44%→10.31%

Annual report (as of 2026-03-31): 10.31%

Oasis Management Company Ltd.

2026-09-04

16.29%→0.00%

Nomura Asset Management Co., Ltd.

2026-09-04

2.09%→2.10%

RAKUS CO., LTD.

2026-07-30

5.03%→22.20%

Annual report (as of 2026-03-31): 4.10%

Oasis Management Company Ltd.

2026-07-22

16.29%→16.29%

Rakus Co., Ltd.

2026-07-14

22.20%

Annual report (as of 2026-03-31): 4.10%

Oasis Management Company Ltd.

2026-06-24

11.85%→16.29%

Rakus Co., Ltd.

2026-06-17

5.03%

Annual report (as of 2026-03-31): 4.10%

Oasis Management Company Ltd.

2026-06-16

10.62%→11.85%

Oasis Management Company Ltd.

2026-05-13

10.52%→10.62%

NOMURA INTERNATIONAL PLC

2026-05-11

2.69%

Oasis Management Company Ltd.

2026-05-08

8.02%→10.52%

Oasis Management Company Ltd.

2026-05-01

8.02%

Nomura Asset Management Co., Ltd.

2026-03-19

3.65%→2.92%

Nomura Asset Management Co., Ltd.

2026-02-19

4.46%→3.65%

Katsuya MIMURO

2025-11-19

15.34%→12.12%

Annual report (as of 2026-03-31): 12.25%

Kenji SUZUMURA

2025-11-07

10.49%→10.44%

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

Annual report (as of 2026-03-31): 10.31%

Kenji SUZUMURA

2025-11-07

10.49%→10.49%

Annual report (as of 2026-03-31): 10.31%

Nomura Asset Management Co., Ltd.

2025-10-21

4.46%

Katsuya MIMURO

2025-08-29

15.41%→15.34%

Annual report (as of 2026-03-31): 12.25%

Kenji SUZUMURA

2025-08-29

10.49%→10.44%

Annual report (as of 2026-03-31): 10.31%

Nomura Asset Management Co., Ltd.

2025-08-06

5.60%→4.82%

Disclosures

Executive Change

2026-09-30

Plus Alpha Consulting Co.,LTD.

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Plus Alpha Consulting Co.,LTD.

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