Bittium Oyj — Director's Dealing 2020

May 27, 2020

Bittium Corporation: Notification of Manager's Transactions

Stock Exchange Release

Free for publication on May27, 2020 at 8.30 a.m. (CEST+1)

Bittium Corporation: Notification of Manager's Transactions

Personsubject tothe notificationrequirement

Name: Erkki Veikkolainen Position: Member of the Board of Directors

Notification type: Initial Notification Reference number: 743700NFG5W5I59OVX65_20200526091136_2

Issuer: Bittium Corporation LEI: 743700NFG5W5I59OVX65

Transactiondate:May25, 2020 Venue: XHEL Instrument: Share ISIN: FI0009007264 Nature of transaction: Receipt of a Share-Based Incentive

Transactiondetails

• 1. Volume: 66, unit price: 5.94000 EUR
• 1. Volume: 7, unit price: 5.94000 EUR
• 1. Volume: 15, unit price: 5.94000 EUR 4. Volume: 1,250, unit price: 5.94000 EUR

Aggregatedtransactions

Volume: 1,338 Volume weighted average price: 5.94000 EUR

Oulu, May27, 2020

Hannu Huttunen CEO

Further information:

Kari Jokela Chief Legal Officer Tel. +358 40 344 5258

Distribution

Nasdaq Helsinki Oy Main media

Bittium

Bittium specializes in the development of reliable, secure communications and connectivitysolutions leveraging its 30 year legacyof expertise in advanced radio communication technologies. Bittium provides innovative products and services, customized solutions based on its product platforms and R&Dservices. Complementing its communications and connectivitysolutions, Bittium offers proven information securitysolutions for mobile devices and portable computers. Bittium also provides healthcare technologyproducts and services for biosignal measuring in the areas of cardiology, neurology, rehabilitation, occupational health and sports medicine. Net sales in 2019 were EUR75.2 million and operating profitwas EUR6.3 million. Bittium is listed on Nasdaq Helsinki.www.bittium.com