Glaston Corporation Stock Exchange Release, Managers' Transactions 18.8.2025 at 10.45 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: 119272/5/4 ____________________________________________ Transaction date: 2025-08-14 Venue: NASDAQ HELSINKI LTD (XHEL) Instrument type: SHARE ISIN: FI4000587340 Nature of transaction: ACQUISITION Transaction details (1): Volume: 2601 Unit price: 1.1728 EUR (2): Volume: 705 Unit price: 1.1728 EUR (3): Volume: 615 Unit price: 1.173 EUR (4): Volume: 440 Unit price: 1.173 EUR (5): Volume: 330 Unit price: 1.173 EUR (6): Volume: 3371 Unit price: 1.174 EUR (7): Volume: 3932 Unit price: 1.18 EUR (8): Volume: 100 Unit price: 1.18 EUR (9): Volume: 806 Unit price: 1.188 EUR (10): Volume: 295 Unit price: 1.188 EUR (11): Volume: 705 Unit price: 1.1878 EUR (12): Volume: 2100 Unit price: 1.18 EUR (13): Volume: 1000 Unit price: 1.18 EUR Aggregated transactions (13): Volume: 17000 Volume weighted average price: 1.17768 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