YIT Corporation Managers' transactions May 2, 2025, at 4:45 p.m. YIT Corporation: Managers' transactions - Kerttu Tuomas YIT Corporation - Managers' transactions - Tuomas ____________________________________________ Person subject to the notification requirement Name: Tuomas, Kerttu Position: Member of the Board/Deputy member Issuer: YIT Corporation LEI: 529900M13GM4VSTE6W80 Notification type: INITIAL NOTIFICATION Reference number: 529900M13GM4VSTE6W80_20250502135329_91 ____________________________________________ Transaction date: 2025-04-30 Venue: XHEL Instrument type: SHARE ISIN: FI0009800643 Nature of the transaction: RECEIPT OF A SHARE-BASED INCENTIVE Transaction details (1): Volume: 11342 Unit price: 0.00 EUR Aggregated transactions (1): Volume: 11342 Volume weighted average price: 0.00 EUR For further information: Essi Nikitin, Vice President, Investor Relations, YIT Corporation, tel. +358 50 581 1455, essi.nikitin@yit.fi YIT Corporation Tuomas Mäkipeska CFO Distribution: Nasdaq Helsinki, major media, www.yitgroup.com We build and develop sustainable living environments: functional and attractive homes, future-proof public and commercial buildings, infrastructure to support the green transition as well as industrial, production, and energy facilities to support our customers' processes. YIT's vision is to be the expert partner in developing sustainable homes, spaces, and cities - for a good life. There are approximately 4,100 professionals in our team and our revenue in 2024 was EUR 1.8 billion. YIT Corporation's shares are listed on Nasdaq Helsinki. Read more: www.yitgroup.com and follow us on Linkedin (https://www.linkedin.com/company/yit/) I X (https://twitter.com/YITG roup) I Instagram (https://www.instagram.com/yitsuomi/) I Facebook (https://www.f acebook.com/yitsuomi/)