(Translation)

August 9, 2024
Company name:Name of representative:

Riken Vitamin Co., Ltd.
Kazuhiko Yamaki
President and Representative Director(Securities code: 4526; Tokyo Stock
Exchange Prime Market)
Yuichi Nakagawa
General Manager of Corporate Planning
Department, Chief Manager of Corporate
Planning Division(Tel: 03-5362-1315)

Inquiries:

Notice Regarding the Continuation of and Additional Contributions to the
Performance-Linked Share-Based Remuneration System for Directors andIncentive Plan for Executive Officers
Riken Vitamin Co., Ltd. (the “Company”) hereby announces that its Board of Directors, at a meeting
held today, resolved to continue and make an additional monetary contribution to the Directors’
Remuneration BIP Trust (the “BIP Trust”), a performance-linked share remuneration system for theCompany’s Directors and Managing Executive Officers (excluding Audit and Supervisory Committee
members and Outside Directors, hereinafter “Directors, etc.”) introduced in FY2017, and the Stock
Grant ESOP Trust (the “ESOP Trust,” and together with the BIP Trust referred to as the “Systems”), anincentive plan for the Company’s Executive Officers introduced in FY2018, as follows.
1. Continuation of the Systems(1) The Company decided to continue the Systems for Directors, etc. and Executive Officers with theaim of motivating them to contribute to improving the Company’s medium- to long-term
performance and increasing its corporate value. For details of the Systems, please refer to the“Notice Regarding the Introduction of a Performance-Linked Share Remuneration System”
released on May 22, 2017, “Notice Regarding the Introduction of a Share Grant ESOP Trust”
released on July 31, 2018, and “Notice Regarding the Continuation and Partial Revision of the
Performance-Linked Share Remuneration System for Directors, etc.” released on May 24, 2021.
(These documents are available in Japanese only.)(2) In order to continue the Systems, the Company will extend the trust periods of the BIP Trust andESOP Trust already established for three years. The Company also resolved to make an
additional contribution of money to the ESOP Trust and to dispose of 37,100 shares (equivalent toapproximately 93 million yen) of the 3,182,505 treasury shares held by the Company as of June30, 2024 to the ESOP Trust, in order to ensure that the ESOP Trust has the funds to acquire
shares. For further details, please refer to the “Notice Regarding Disposal of Treasury Sharesthrough Third-Party Allotment” released today. As for the BIP Trust, no new financial contributions
or additional acquisition of the Company’s shares by the BIP Trust are planned, as the remaining
shares owned by the Trust will be utilized.

12. Details of Trust Agreements
BIP Trust

ESOP Trust(1) Type of trust

Money Trust other than a specified money trust for separate
investment (third party benefit trust)(2) Purpose of trust

To grant incentives to Directors,etc.

(3) Trustor

The Company(4) Trustee

Mitsubishi UFJ Trust and Banking CorporationTo grant incentives to ExecutiveOfficers(Co-trustee: The Master Trust Bank of Japan, Ltd.)(5) Beneficiaries

Directors, etc. who fulfill
beneficiary requirements(6) Trust administrator

A third-party specialist with no conflict of interest with the company(certified public accountant)(7) Date of trust agreement

August 25, 2017 (scheduled toamend trust agreement inAugust 2024）

August 27, 2018 (scheduled toamend trust agreement inAugust 2024）(8) Trust term

From August 25, 2017 to
September 2024 (scheduled tobe extended until September
2027 under amended trustagreement in August 2024)

From August 27, 2018 toSeptember 2024 (scheduled tobe extended until September
2027 under amended trust
agreement in August 2024)(9) Start of the plan

September 1, 2017

September 1, 2018(10) Exercise of voting rights

Not to be exercised(11) Type of additional
shares to be acquired

No additional acquisition

Common stock of the Company(12) Additional contribution
amountNo additional contributions

90 million yen (planned)(13) Method of additional
share acquisition

No additional acquisition

Third-party allotment of theCompany’s treasury stock(14) Rights holder

The Company(15) Residual assets

The residual assets to be received by the Company, as the rights
holder, shall be within the Trust Expense Reserve, which is theTrust Fund less the funds for share acquisition.

2

Executive officers who fulfill
beneficiary requirements