JustCo — Share Issue/Capital Change 2026

Jun 2, 2026

DBS

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Date: 2 June 2026

To: Singapore Exchange Securities Trading Limited
2 Shenton Way #02-02
SGX Centre 1
Singapore 068804

Attention: Ms Eliza Tan / Mr Sean Lim / Ms Christal Lim
IPO Admissions

Dear Sirs

STABILISING ACTION IN RELATION TO THE INITIAL PUBLIC OFFERING (THE “OFFERING”) OF SHARES OF JUSTCO HOLDINGS LIMITED (THE “COMPANY”) IN CONNECTION WITH A LISTING ON THE MAIN BOARD OF THE SINGAPORE EXCHANGE SECURITIES TRADING LIMITED

Capitalised terms used herein, unless otherwise defined, have the meanings as defined in the prospectus of the Company dated 15 May 2026 and registered by the Monetary Authority of Singapore on 15 May 2026.

Pursuant to Regulation 3A(14) of the Securities and Futures (Market Conduct) (Exemptions) Regulations 2006, we, the Stabilising Manager in respect of the Offering, hereby announce that we have, either as principal or through dealers acting on our behalf, to date purchased a total of 5,319,000 ordinary shares of the Company ("Shares") and have ceased price stabilisation action with effect from the close of trading on 2 June 2026.

As the total number of Shares which had been over-allotted in connection with the Offering has been fully covered by the purchases made under the price stabilising action, we will not be exercising the Over-allotment Option granted by Sing Long Investments Pte. Ltd. to the Joint Bookrunners and Underwriters.

For and on behalf of
DBS Bank Ltd.

Name of Authorised Signatory: Nicole Chan

Title: Executive Director