Qt Group Plc, Stock exchange release, October 21, 2025, at 9:30 am EEST Qt Group Plc will publish its Financial Statements Bulletin, Annual Report, two Interim Statements and Half-Year Report in 2026 as follows (all times in EET/EEST): · Financial Statements Bulletin 2025: Thursday, February 26, 2026, at approximately 1 pm · Annual Report 2025: Friday, March 20, 2026, at approximately 8 am · Interim Statement January-March 2026: Wednesday, May 13, 2026, at approximately 1 pm · Half-Year Report January-June 2026: Thursday, August 6, 2026, at approximately 8 am · Interim Statement January-September 2026: Thursday, October 29, 2026, at approximately 1 pm Qt Group Plc's Annual General Meeting is planned to be held on Tuesday, April 14, 2026. The Board of Directors of Qt Group Plc will convene the meeting at a later date. For more information, please contact: Jouni Lintunen, CFO, Qt Group Plc Tel. +358 9 8861 8040 DISTRIBUTION: Nasdaq Helsinki Principal media www.qt.io About Qt Group Qt Group (Nasdaq Helsinki: QTCOM) is a global software company, trusted by industry leaders and over 1.5 million developers worldwide to create applications and smart devices that users love. We help our customers to increase productivity through the entire product development lifecycle: from UI design and software development to quality management and deployment. Our customers are in more than 70 different industries in over 180 countries. Qt Group employs some 900 people, and its net sales in 2024 were 209.1 MEUR. To learn more, visit www.qt.io