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R.C.CORE CO.,LTD.

R.C.CORE operates primarily under its 'BESS' brand, offering distinctive natural-material homes—most notably log houses—targeting lifestyle-conscious consumers seeking a nature-oriented, slow-life residential experience. The company handles the full value chain from product planning, design, and development to construction contracting, with sales conducted through directly operated showrooms ('LOGWAY') and a nationwide network of regional distributors supplying timber component kits. In addition, the company has expanded into B-to-B construction (commercial facilities, lodging, nurseries) leveraging its patented CLT log technology, and operates timeshare resort properties.

Market Cap

¥1.45B

US$9.21M

¥-0.46B

-US$2.95M

Stock¥348▼-0.29%

US$1 = ¥157.05 (2026-10-22)

LTM EV/EBITDA

0.8

LTM EV/EBIT

0.8

LTM PER

LTM PBR

1.0

2026-08-25 closing price basis: ranked #100 in beluuga.ai's "Japanese listed companies with negative Enterprise Value" ranking (simplified EV ≈ ¥-6B).

Stock vs TOPIX (1Y, base=100)vs TOPIX ▼-66.2%pt

Oct 23, 25 – Oct 23, 26StockTOPIX

1Oct 23, 25Correction selling after speculative buying

2Oct 24, 25Profit-taking as M&A speculation fades

3Aug 13, 26Q1 FY2027/03 earnings announced

MC → EV Bridge

AI Briefing

Generating insights…

Performance & Balance

Revenue 5Y (¥B)

EBITDA 5Y (¥B)

Net Income 5Y (¥B)

Capital Structure

68%

32%

EquityD/E 0.47xDebt

Liquidity vs Debt 5Y (¥B)▲ Net Cash

CashInv. Sec.Debt

Shareholders

Top 10 hold 46.6%

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

Asahi Kasei Homes Corporation

14.00%

Custody Bank of Japan, Ltd. (Trust Account E)

6.17%

R.C.CORE CO.,LTD. Employee Stock Ownership Association

5.29%

Akiko TANI

5.18%

Stock Ownership Association

4.22%

Rakuten Securities, Inc. (Joint Account)

2.69%

日本マスタートラスト信託銀行株式会社（役員報酬BIP信託口・76096口）

2.58%

Nippon Life Insurance Company

2.20%

Yoko ISHII

2.19%

Hideko YASUDA

2.13%

Management

8 officers

Yasuharu JUMATSUGI

Representative Director, President

Apr 1991 Joined Daikyo Inc. Aug 1998 Joined Shin-Nihon Tatemono Co., Ltd. Jun 2005 Director, General Manager of Administration Division, Shin-Nihon Tatemono Co., Ltd. Jun 2009 Representative Director, President, Shin-Nihon Tatemono Co., Ltd. Nov 2012 Joined My Land Co., Ltd. as Director, General Manager of Finance Department Mar 2013 Joined Accura Home Co., Ltd. (now AQ Group) Aug 2016 Left Accura Home Co., Ltd. Sep 2016 Joined the Company Apr 2017 General Manager, Sales Subsidiary Management Office, Sales Division Apr 2018 General Manager, Management Planning Department Jan 2019 General Manager, Accounting Department Oct 2021 Representative Director, President, BESS Partners Inc. Apr 2023 General Manager, LV (Regional Revitalization) Promotion Department Oct 2023 Executive Officer, General Manager, Sales Supervisory Division Apr 2024 General Manager, Marketing Division (current) Jun 2024 Representative Director, President of the Company (current) Apr 2026 Representative Director, President, BESS Partners Inc. (current)

1965-03-03

Akiko TANI

Director, Assistant General Manager, Marketing Division

Apr 1979 Joined Fujie Textile Co., Ltd. May 1985 Left Fujie Textile Co., Ltd. Aug 1985 Founded the Company Aug 1989 Director Dec 2001 Person in Charge, Product Development Department Oct 2003 Person in Charge, Square Division Oct 2004 Person in Charge, Product Development Department Apr 2010 Person in Charge, BI Development Department Apr 2011 Person in Charge, BI Division Apr 2012 Managing Director Apr 2014 General Manager, Technology Division Apr 2017 General Manager, Production Innovation Promotion Office Apr 2018 General Manager, President's Office Apr 2022 General Manager, BI Division Oct 2022 General Manager, HEAT Division Feb 2023 Director (current); Assistant General Manager, Sales Supervisory Division Apr 2023 General Manager, Sales Division Apr 2024 Assistant General Manager, Marketing Division (current)

1956-09-13

Haruhisa KATO

Director, General Manager, Product Development Department

Apr 1991 Joined Daiwa House Industry Co., Ltd. Apr 2012 Group Leader, Product Development Group, Housing Business Promotion Department, Daiwa House Industry Co., Ltd. Jun 2016 Left Daiwa House Industry Co., Ltd. Jul 2016 Joined the Company Oct 2016 General Manager, Technology Division Apr 2017 Executive Officer Apr 2020 General Manager, Product Development Department Jun 2021 Director (current) Apr 2022 General Manager, Technology Division Oct 2022 General Manager, Product Division Apr 2024 General Manager, Product Development Department (current) Oct 2025 General Manager, Technology Division (current)

1968-10-11

Shinji SHIRAISHI

Director

Apr 1985 Joined Asahi Kasei Kogyo K.K. (now Asahi Kasei Corporation) Apr 2014 NH1 Project Leader, Asahi Kasei Construction Materials Corporation Jul 2017 General Manager, Marketing Promotion Department, Asahi Kasei Construction Materials Corporation Apr 2019 Manager, Marketing Promotion Office, Planning and Administration Department, Asahi Kasei Construction Materials Corporation Jul 2021 Project Leader, New Housing Project, Asahi Kasei Homes Corporation Apr 2024 Manager, GREENOVATION Promotion Office, Asahi Kasei Homes Corporation Apr 2026 Seconded to the Company as Executive Officer in charge of Corporate Planning Department (current)

Norio GOTO

Director (Audit and Supervisory Committee Member), Chairperson of the Audit and Supervisory Committee (Full-time)

Apr 1984 (details not stated in source) Apr 2005 Joined Fuji Xerox Co., Ltd. (now FUJIFILM Business Innovation Corp.) Dec 2005 Visiting Professor, Shizuoka University (Information Security Course; retired 2007) Apr 2008 (details not stated in source) Jun 2012 Group Leader, Management Audit Department, Fuji Xerox Co., Ltd.; seconded to Fuji Xerox Metropolitan Area Co., Ltd. as Head of Audit Division Dec 2015 Returned to Fuji Xerox Co., Ltd.; Chairperson, Integrated Management System Internal Audit Committee Aug 2017 External Environmental Evaluation Committee Member, Ebina City Hall, Kanagawa Prefecture (current) Sep 2017 Seconded to FUJIFILM Holdings Corporation, Global Audit Department May 2021 Returned to FUJIFILM Business Innovation Corp.; left the company Jun 2021 Director (Audit and Supervisory Committee Member) of the Company (current) Chairperson of the Audit and Supervisory Committee (current)

1961-07-10

Kichiko KITAHARA

Director (Audit and Supervisory Committee Member)

Apr 2002 Joined Lion Corporation Apr 2007 Brand Manager, Lion Corporation Apr 2010 Joined Shiseido Company, Limited Apr 2016 Brand Manager, Skincare Marketing Department, Shiseido Japan Co., Ltd.; Vice President, Makeup Marketing Department, Shiseido Japan Co., Ltd. Jul 2019 General Manager, Premium Brand Marketing Division and Deputy CMO, Shiseido Japan Co., Ltd.; General Manager, Marketing Relations Division, Shiseido Japan Co., Ltd. Jan 2021 General Manager, New Value Creation Marketing Division, Shiseido Japan Co., Ltd.; left the company Jan 2023 CEO, MICHI Inc. (current) Jul 2024 Director (Audit and Supervisory Committee Member) of the Company (current) Apr 2025 (details not stated in source) May 2025 (details not stated in source) Jun 2025 (details not stated in source)

1979-07-29

Michiko YOSHIDA

Director (Audit and Supervisory Committee Member)

Dec 2012 Registered as Attorney-at-Law; joined Okamura Sogo Law Office Jan 2022 Partner, Okamura Sogo Law Office (current) Jun 2025 Director (Audit and Supervisory Committee Member) of the Company (current)

1982-01-21

Sawako MIYAZAWA

Director (Audit and Supervisory Committee Member)

Aug 2004 Joined Mobile Techno Co., Ltd. Sep 2005 Seconded to Oki Electric Industry Co., Ltd. Feb 2007 Joined Shin Nihon LLC (now EY ShinNihon LLC) Apr 2021 Joined Akasaka LLC Jul 2025 Outside Director (Audit and Supervisory Committee Member), Kyoto Kimono Yuzen Holdings Co., Ltd. (current) Oct 2025 Representative, Sawako Miyazawa Certified Public Accountant Office (current)

Large Shareholding Reports

Akiko TANI

2025-11-12

5.11%→5.15%

Annual report (as of 2026-03-31): 5.18%

Akiko TANI

2025-11-10

5.15%

Annual report (as of 2026-03-31): 5.18%

Shuse YASUDA

2025-10-20

6.02%→0.00%

Wataru FUTAGI

2025-10-20

6.01%→2.03%

Asahi Kasei Homes Corporation

2025-10-20

14.00%

Annual report (as of 2026-03-31): 14.00%

Atsushi FUTAGI

2025-10-20

6.01%→2.01%

Disclosures

No disclosures

Primary Source Filings

TDnet

2026-08-12

Q1 Earnings Flash

FY ending Mar 2027

R.C.CORE CO.,LTD.

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R.C.CORE CO.,LTD.

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