Periodic disclosure on the Share Buyback Programme. Period: September 14-18 2026

Milan, September 21, 2026 - Kaleon S.p.A. (the "Company"), a company controlled by the Borromeo family and specialising in the management and enhancement of significant artistic, natural and museum heritage assets for tourism purposes, listed on Euronext Growth Milan (Ticker: KLN) and Euronext Growth Paris (Ticker: ALKLN), announces, with reference to the ordinary share buyback programme authorised by the Shareholders' Meeting held on 29 April 2026, that it purchased, on the Euronext Growth Milan and Euronext Growth Paris markets, during the period from September 14 to September 18, 2026, a total of 1734 treasury shares, representing 0,0123% of the Company's share capital, at an average purchase price of Euro 3,9026 per share, for an aggregate consideration of Euro 6.767,0450.

The purchases were executed through the authorised intermediary Equita SIM S.p.A., LEI code 815600E3E9BFBC8FAA85. A daily summary of the purchase transactions carried out on the market is set out below.

Pursuant to Article 2(3) of Commission Delegated Regulation (EU) 2016/1052, a detailed breakdown of the purchases of Kaleon ordinary shares (ISIN: IT0005466963) executed during the above-mentioned period, based on the information provided by the intermediary appointed to implement the share buyback programme, is attached hereto.

Following the purchases disclosed above, as of today's date Kaleon holds 8822 treasury shares, representing 0,0625% of the Company's share capital.

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This press release is available on the Company's website at https://www.kaleon.com, in the Investor Relations - Price Sensitive Press Releases, and on https://www.emarketstorage.it/en.

Kaleon is the new name of SAG S.r.l., a company founded in 1983 by the Borromeo family, specialising in the management, protection, and enhancement of major artistic, natural, and museum heritage assets. Its business model is innovative, separating asset ownership from asset management, thereby promoting an entrepreneurial approach to operations. The Company's core business, Terre Borromeo, is the brand that identifies the prestigious cultural and natural sites on Lake Maggiore linked to the Borromeo family, such as Isola Bella and Isola Madre in the Borromean Islands archipelago, the Pallavicino Park in Stresa, the Mottarone Park, with 500 hectares of woodland area extending between Lake Maggiore and Lake Orta, the Rocca di Angera on the Lombardy side in the province of Varese, and the Cannero Castles in Upper Verbano, opened to the public on 28 June 2025 after a ten-year restoration project. With 225 employees and over 40 years of experience in the tourism sector, Kaleon positions itself as a pioneer in high-quality cultural tourism. In 2023, Kaleon welcomed more than one million visitors. In 2025, the Company reported revenues of €23.2 million, with an EBITDA margin of 26.3%. Following steady growth (CAGR 2015 - 2024: +10%), the Company now aims to expand its activities in Italy and internationally, offering authentic and sustainable cultural experiences for future generations. For more information: https://kaleon.com/

CONTATTI

Giorgia Meretti Communication Manager [email protected]

Tel: +39 338 672 7571

Dott. Alessandro Pedrazzini Investor Relations Manager [email protected] Tel: +39 338 937 7354

Louis-Victor Delouvrier/ Théo Martin Investor Relations [email protected]

Tel: +33 01 44 71 94 96

Nicolas Merigeau/Gaëlle Fromaigeat Media Relations

[email protected] Tel: + 33 01 44 71 94 98

Barabino & Partners Stefania Bassi [email protected] Tel: +39 335 628 2667

Carlotta Bernardi [email protected] Tel: +39 333 947 7814

Virginia Bertè [email protected] Tel: +39 342 978 7585