In the context of providing accurate and timely information to investors, according to the provisions of article 4.1.1 of the Athens Exchange Regulation, Jumbo S.A. (the Company) announces its financial calendar:

• Date of publication of the Annual Financial Report for the financial year 01.01.2025–31.12.2025: 28.04.2026, before the opening of the Athens Exchange trading session, on the Company’s website (www.e-jumbo.gr), specifically at https://corporate.e-jumbo.gr/ , and on the Athens Stock Exchange website (http://www.athexgroup.gr))
• Date of annual analysts’ briefing regarding the financial results for the financial year 01.01.2025–31.12.2025: 29.04.2026

(Note: The analysts’ briefing will be held via teleconference at 16:30 local time.)

• Date of the Annual Ordinary General Meeting of shareholders: 08.07.2026
• Dividend ex-date: 20.07.2026. Subject to approval of the dividend distribution, the ex-dividend date has been set after the expiry, on 19.06.2026, of the Futures Contracts traded on the Derivatives Market with the Company’s share as underlying asset.
• Dividend beneficiaries record date: 21.07.2026.
• Dividend payment commencement date: 24.07.2026.

The aforementioned dates regarding the dividend ex-date, record date and payment commencement are subject to the approval of the Annual Ordinary General Meeting of shareholders.

The dividend payment will be effected through a paying bank, in accordance with the provisions of the Athens Exchange Regulation. Further details will be provided in a subsequent Company announcement.

With regard to the date of publication of the Semi-Annual Financial Reports, the Company will revert with a new announcement. The Company reserves the right to amend the aforementioned dates. In such case, it will duly inform the investing public in a timely manner.