Hakuhodo Dy Holdings IncorporatedTSE: 2433

Notice of Changes in Representative Director and Duty

· Issued by Hakuhodo Dy Holdings Incorporated

Note: This document has been translated from the Japanese original for reference purposes only. In the event of any discrepancy between this translated document and the Japanese original, the original shall prevail.

To whom it may concern

February 12, 2026

Company name: Hakuhodo DY Holdings Inc. Representative: Yasuo Nishiyama Representative Director & President

(Code number: 2433; TSE Prime Section)

Inquiries: Daisuke Hara Executive Manager, Investor Relations Division

(Tel: +81-3-6441-9033)

Notice of Changes in Representative Director and Duty

Hakuhodo DY Holdings Inc. (the "Company") hereby announces that at the Board of Directors meeting held on February 12, 2026, we have tentatively decided on the following changes to our Representative Directors.

  1. Change in Representative Director (scheduled for April 1, 2026)

    Name

    New Position

    Former Position

    Masayuki Mizushima

    Director and Chairman Director and Chairman, Hakuhodo Inc. (concurrent position)

    Representative Director & Chairman CEO

    Representative Director & Chairman, Hakuhodo Inc.

    (concurrent position)

  2. Change in Representative Director's Duty (scheduled for April 1, 2026)

    Name

    New Duty

    Former Duty

    Yasuo Nishiyama

    Representative Director & President CEO

    Director, Hakuhodo Inc.

    (concurrent position)

    Representative Director & President COO

    Director, Hakuhodo Inc.

    (concurrent position)

  3. Reason for the Changes

The Company has decided to transition to a structure in which the Director and Chairman will

serve as the chairperson of the Board of Directors, responsible for supervising management, and will not concurrently serve as a Representative Director.

Furthermore, to further strengthen the separation of supervision and execution, and to accelerate decision-making, the Company has decided to transition to a structure with one Representative Director.

Inquiries

Regarding this notice:

Public Relations Group of Hakuhodo DY Holdings Inc

03-6441-9062

IR-related matters:

IR Group of Hakuhodo DY Holdings Inc.

03-6441-9033

End

Earlier from Hakuhodo Dy

All Hakuhodo Dy news releases