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M&A and Subsidiary Changes8897MIRARTH HOLDINGS,Inc.Real Estate

Notice Regarding a Change in the Trade Name of a Consolidated Subsidiary

The corporate names of 2 consolidated subsidiaries will be changed to names bearing the MIRARTH brand, effective 1 July 2026. The changes are subject to approval of amendments to the articles of incorporation at each company's shareholders meeting.

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This transaction

This corporate name change
Disclosing companyMIRARTH HOLDINGS,Inc.
株式会社レーベンホームビルド, 株式会社レーベンゼストックSubject of this transactionVoting rights ownership percentage Changed from a wholly owned grandchild company to a wholly owned subsidiary
TimelineThe spacing between the points is proportional to the actual number of days.White points represent dates designated as scheduled dates in the document.
Target company

General construction business (construction work) and real estate business, Real estate purchase-and-resale business and rental business

Location Chuo-ku, Tokyo, Chiyoda-ku, TokyoShare capital 株式会社レーベンホームビルド: ¥200 million, 株式会社レーベンゼストック: ¥490 million
Procedures and assumptions
Conditions Precedent to ExecutionApproval of the partial amendments to the articles of incorporation relating to this corporate name change at the shareholders meetings of レーベンホームビルド and レーベンゼストック
Management structure after acquisition株式会社レーベンホームビルド will be changed to MIRARTH アーキテクト株式会社, and 株式会社レーベンゼストック will be changed to MIRARTH ゼストック株式会社. The respective representatives will be Representative Director Hara Tadayuki (原 忠行) and Representative Director Yoshimura Norihiko (吉村 典彦). Employee treatment: not disclosed
This transaction
ItemDetails
Transaction nameThis corporate name change
Name of the Subject Company株式会社レーベンホームビルド, 株式会社レーベンゼストック
Business Description of the Subject CompanyGeneral construction business (construction work) and real estate business, Real estate purchase-and-resale business and rental business
Location of the Subject CompanyChuo-ku, Tokyo, Chiyoda-ku, Tokyo
Capital Stock of the Subject Company株式会社レーベンホームビルド: ¥200 million, 株式会社レーベンゼストック: ¥490 million
Voting rights ownership percentageChanged from a wholly owned grandchild company to a wholly owned subsidiary
Date of board resolution15 May 2026
Execution Date / Effective Date1 July 2026 (予定)
Conditions Precedent to ExecutionApproval of the partial amendments to the articles of incorporation relating to this corporate name change at the shareholders meetings of レーベンホームビルド and レーベンゼストック
Management structure after acquisition株式会社レーベンホームビルド will be changed to MIRARTH アーキテクト株式会社, and 株式会社レーベンゼストック will be changed to MIRARTH ゼストック株式会社. The respective representatives will be Representative Director Hara Tadayuki (原 忠行) and Representative Director Yoshimura Norihiko (吉村 典彦). Employee treatment: not disclosed
Items this document does not state (22)
Counterparty nameDate of Establishment of the Subject CompanyNet Sales of the Subject CompanyOperating Profit of the Subject CompanyNet Income of the Subject CompanyNet Assets of the Subject CompanyAcquisition priceExpenses other than the acquisition priceType of ConsiderationMerger ratio/share exchange ratioTender offer priceMinimum number of shares to be purchasedTender offer periodNumber of shares acquiredFunding arrangementsGoodwill amountAmount of extraordinary income (loss)Impact on Business PerformanceContract DateValuation methodologyIndependent valuation institutionSpecial Committee

These are items the company does not state in this document. We do not leave them blank, nor fill them in from other sources or by inference.

The reasons the company gives

The company's own explanation, not something inferred from the numbers.

Following the addition of レーベンホームビルド and レーベンゼストック as subsidiaries, the changes are intended to strengthen the penetration of the MIRARTH Holdings brand, accelerate business synergies within the Group and enhance corporate value.

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Notice Regarding a Change in the Trade Name of a Consolidated Subsidiary | MIRARTH HOLDINGS,Inc. (8897) timely disclosure | Komori