Teleste Corporation Managers´ transactions September 17, 2025, at 14:00 EEST TELESTE: MANAGERS´ TRANSACTIONS - ANDERSSON, ULF Teleste Oyj - Managers' Transactions ____________________________________________ Person subject to the notification requirement Name: Ulf Andersson Position: Other senior manager Issuer: Teleste Oyj LEI: 743700CJRQRU0007GN59 Notification type: INITIAL NOTIFICATION Reference number: 123187/4/4 ____________________________________________ Transaction date: 2025-09-16 Venue: NASDAQ HELSINKI LTD (XHEL) Instrument type: SHARE ISIN: FI0009007728 Nature of transaction: ACQUISITION Transaction details (1): Volume: 12000 Unit price: 3.9738 EUR Aggregated transactions (1): Volume: 12000 Volume weighted average price: 3.9738 EUR Distribution: Nasdaq Helsinki Main media www.teleste.com (https://www.globenewswire.com/Tracker?data=4cTZE1pcbA3881ppTNC7 -Ag2 -IbNtsWYNRVpx2q4ZF2GksPZaCX7NwVYW4unP01pe2WfkObTt1lgPt5joUbsCJOXXYtmeb2fKc1iROgVh _X6TUaTImlXuVZ2BElQQQl9dVVMIuyt9KYJztEBbFPa0jT6DH6ONx3KlUQc6YT8tinLCeVQx_qLFxfIlD ENOuFnPdLgU34mE -A8Q09QuokGqNv12bLWmegf5IvM9JdvL0aQFeDkPIQRoEUT6jxQNH8oaJRbbBLExqNXp4c6Y0zba -7MSnr7vFbPAxaUAKlNnEiXp1dJXS2EhjAP3rfAzQWHys22i1yin -yWk35zP0dfJECpVXbF3dMUVSR4B6XK5YscxQbACpLFoAD5qTJOEnw8G1_T6rIUlkEowxvcXY9Gx7Zh9Q 7cRJxzfEl5lbcCGrI8ToattUIWYHQtKOQYJX0zzjLKENgQjSO_sS9WnmjEy -nNQ23SCFFjhmZE8XTKhmQm3gNrvEgzUystyjMPp8PiUnW8LyQAZc9BUz51uOqH5ZZxBkDstpwtkZiSkq EfS3cTSu6kfyaCzDW_AmuabpPYok7dtZ1erIfDk-9NFE1DHEXE3ofh6 -q2zpUapcyLIdetSGkKGF22iTpjMkm8m1yKC2diKWPYSyzz8U3Yb8IXNOECsbzhUX8CKMS0wNr793w=) About Teleste Teleste offers an integrated product and service portfolio that makes it possible to build and run a better networked society. Our solutions bring television and broadband services to you, secure your safety in public places and guide your use of public transport. With solid industry experience and drive for innovations, we are a leading international company in broadband, security and information technologies and related services. We connect with our customers through a global network of offices and partners. In 2024, Teleste's net sales reached EUR 132,5 million and it had approximately 670 employees. Teleste is listed on Nasdaq Helsinki. For more information, visitwww.teleste.com.