Teleste Corporation Managers´ transactions August 16, 2023, at 12:15 EEST CORRECTION: TELESTE CORPORATION: MANAGERS´ TRANSACTIONS - TIANTA OY Teleste Oyj - Managers' Transactions ____________________________________________ Person subject to the notification requirement Name: Tianta Oy Position: Closely associated person (X) Legal person (1):Person Discharging Managerial Responsibilities In Issuer Name: Vesa Korpimies Position: Member of the Board Issuer: Teleste Oyj LEI: 743700CJRQRU0007GN59 Notification type: AMENDMENT Reference number: 36624/4/4 Amendment comment: Correction to the stock exchange release published on 15 August 2023 at 16.30 regarding managers´ transactions. The nature of the transaction was incorrectly stated as a disposal in the original notification. The correct nature of the transaction is acquisition. Below are the details of the corrected notification: ____________________________________________ Transaction date: 2023-08-11 Venue: NASDAQ HELSINKI LTD (XHEL) Instrument type: SHARE ISIN: FI0009007728 Nature of transaction: ACQUISITION Transaction details (1): Volume: 100 Unit price: 3.55 EUR (2): Volume: 68 Unit price: 3.55 EUR (3): Volume: 50 Unit price: 3.54 EUR (4): Volume: 3000 Unit price: 3.54 EUR (5): Volume: 160 Unit price: 3.54 EUR (6): Volume: 144 Unit price: 3.54 EUR (7): Volume: 5 Unit price: 3.54 EUR (8): Volume: 56 Unit price: 3.54 EUR (9): Volume: 161 Unit price: 3.54 EUR (10): Volume: 1 Unit price: 3.52 EUR (11): Volume: 702 Unit price: 3.52 EUR (12): Volume: 157 Unit price: 3.52 EUR Aggregated transactions (12): Volume: 4604 Volume weighted average price: 3.53663 EUR ____________________________________________ Reference number: 36648/5/4 Transaction date: 2023-08-14 Venue: NASDAQ HELSINKI LTD (XHEL) Instrument type: SHARE ISIN: FI0009007728 Nature of transaction: ACQUISITION Transaction details (1): Volume: 43 Unit price: 3.54 EUR (2): Volume: 73 Unit price: 3.54 EUR (3): Volume: 171 Unit price: 3.54 EUR (4): Volume: 210 Unit price: 3.5 EUR (5): Volume: 661 Unit price: 3.54 EUR (6): Volume: 550 Unit price: 3.56 EUR (7): Volume: 203 Unit price: 3.56 EUR Aggregated transactions (7): Volume: 1911 Volume weighted average price: 3.54349 EUR Additional information: Juha Hyytiäinen, CEO Tel. +358 40 705 3593 Teleste Corporation Distribution: Nasdaq Helsinki Main media www.teleste.com