SSH Communications Security Plc has yesterday received the following notification:

SSH Communications Security Oyj - Managers' Transactions ____________________________________________

Person subject to the notification requirement: Name: Scaff, Joseph Position: Other senior manager Issuer: SSH Communications Security Oyj LEI: 7437007N96FK4N3WHT09

Notification type: INITIAL NOTIFICATION Reference number: 7437007N96FK4N3WHT09_20180830113657_2 ____________________________________________

Transaction date: 2018-08-29 Venue not applicable Instrument type: SHARE ISIN: FI0009008270 Nature of the transaction: SUBSCRIPTION (X) Linked to stock option programme

Transaction details (1): Volume: 6,600 Unit price: 1.66 EUR

Aggregated transactions (1): Volume: 6,600 Volume weighted average price: 1.66 EUR

For further information, please contact: Niklas Nordström, CFO, tel. +358 50 541 0543 Markku Karppi, General Counsel, tel. + 358 50 586 0552 Distribution: Nasdaq Helsinki Ltd. Major media www.ssh.com