Glaston Corporation Stock Exchange Release, Managers' Transactions 15.9.2025 at 12.00 Glaston Oyj Abp - Managers' Transactions ____________________________________________ Person subject to the notification requirement Name: Veli-Matti Reinikkala Position: Member of the Board/Deputy member Issuer: Glaston Oyj Abp LEI: 743700V3I7CLI3DJ8L62 Notification type: INITIAL NOTIFICATION Reference number: 122699/7/6 ____________________________________________ Transaction date: 2025-09-12 Venue: NASDAQ HELSINKI LTD (XHEL) Instrument type: SHARE ISIN: FI4000587340 Nature of transaction: ACQUISITION Transaction details (1): Volume: 2275 Unit price: 1.1644 EUR (2): Volume: 5200 Unit price: 1.1672 EUR (3): Volume: 5500 Unit price: 1.1708 EUR Aggregated transactions (3): Volume: 12975 Volume weighted average price: 1.16824 EUR For further information, please contact: Magnus Sjöblom, CFO, phone +358 10 500 500 Glaston in brief Glaston is the glass processing industry's innovative technology leader supplying equipment, services and solutions to the architectural, mobility, display and solar industries. The company also supports the development of new technologies integrating intelligence to glass. Glaston is committed to providing its clients with both the best know-how and the latest technologies in glass processing, with the purpose of building a better tomorrow through safer, smarter, and more energy efficient glass solutions. Glaston operates globally with manufacturing, services and sales offices in nine countries and its shares (GLA1V) are listed on Nasdaq Helsinki Ltd. Distribution: Nasdaq OMX, key media, www.glaston.net