Bittium Oyj

Report Publication Announcement • Dec 19, 2025

Bittium Corporation's Financial Calendar for the Year 2026

Bittium Corporation Financial Calendar

Bittium Corporation's Financial Calendar for the Year 2026

Bittium Corporation, Stock Exchange Release, December 19, 2025, at 2.45 pm (CET+1)

In 2026, Bittium Corporation will publish its financial Reports (Half Year Financial Report, Financial Statement Bulletin) and Business Reviews (January-March and January-September). The structure of the Business Reviews is lighter than that of the financial reports.

In 2026, Bittium Corporation will publish its Half Year Financial Report and Financial Statement Bulletin as follows:

• Financial Statement Bulletin 2025: on February 19, 2026, at 8.00 am (CET+1)
• Half Year Financial Report January June 2026: on August 7, 2026, at 8.00 am (CEST+1)

In 2026, Bittium Corporation will publish its Business Reviews as follows:

• Business Review January-March 2026: on April 29, 2026, at 8.00 am (CEST+1)
• Business Review January-September 2026: on October 29, 2026, at 8.00 am (CET+1)

Bittium Corporation observes a three-week silent period prior to announcing its financial reports. In 2026 the silent periods are as follows:

• January 29 February 19, 2026
• April 8 April 29, 2026
• July 17 August 7, 2026
• October 8 October 29, 2026

Bittium will release its Annual Report 2025 at the latest on March 31, 2026. Annual Report includes the Report by the Board of Directors and Financial Statements 2025, CSRD compliant sustainability report, and Corporate Governance Statement.

The Annual General Meeting will be held on April 22, 2026.

Oulu, December 19, 2025 Bittium Corporation

Further information:

Karoliina Malmi Vice President, Corporate Communications and Sustainability Tel. +358 40 344 2789

Distribution

Nasdaq Helsinki Oy Main media

Bittium

Bittium specializes in the development of reliable, secure communications and connectivity solutions leveraging its 40-year legacy of expertise in advanced radio communication technologies. Bittium provides innovative products and services, customized solutions based on its product platforms and R&D services. Complementing its communications and connectivity solutions, Bittium offers proven information security solutions for mobile devices and portable computers. Bittium also provides healthcare technology products and services for biosignal measuring in the areas of cardiology and neurophysiology. Net sales in 2024 were EUR 85.2 million and operating profit was EUR 8.6 million. Bittium is listed on Nasdaq Helsinki. www.bittium.com