Glaston Corporation Stock Exchange Release, Managers' Transactions 23.6.2025 at 12.30 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: 112904/7/6 ____________________________________________ Transaction date: 2025-06-19 Venue: NASDAQ HELSINKI LTD (XHEL) Instrument type: SHARE ISIN: FI4000587340 Nature of transaction: ACQUISITION Transaction details (1): Volume: 2224 Unit price: 1.3298 EUR (2): Volume: 2674 Unit price: 1.33 EUR (3): Volume: 2000 Unit price: 1.348 EUR (4): Volume: 750 Unit price: 1.3498 EUR (5): Volume: 1028 Unit price: 1.3411 EUR (6): Volume: 1324 Unit price: 1.3249 EUR (7): Volume: 586 Unit price: 1.3498 EUR (8): Volume: 2243 Unit price: 1.3498 EUR (9): Volume: 5000 Unit price: 1.35 EUR (10): Volume: 1212 Unit price: 1.3351 EUR (11): Volume: 959 Unit price: 1.3412 EUR Aggregated transactions (11): Volume: 20000 Volume weighted average price: 1.3414 EUR For further information, please contact: Kaisa Latva, General Counsel, 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