Tieto Corporation    Stock exchange release    31 March 2026 at 06:30 p.m. EET Tieto: Share repurchases on 31.3.2026 In the Helsinki Stock Exchange Trade date           31.3.2026 Bourse trade         Buy Share                  TIETO Amount             50,000 Shares Average price/ share    18.7778 EUR Total cost            938,890.00 EUR Tieto now holds a total of 706,693 shares including the shares repurchased on 31.3.2026 The share buybacks are executed in compliance with Regulation  No. 596/2014 of the European Parliament and Council (MAR) Article 5 and the Commission Delegated Regulation (EU) 2016/1052. On behalf of Tieto Corporation Nordea Bank Oyj Sami Huttunen Ilari Isomäki For further information, please contact: Tommi Järvenpää, Head of Investor Relations, tel. +358 40 576 0288, tommi.jarvenpaa(at)tieto.com Distribution NASDAQ Helsinki NASDAQ Helsinki Oslo Børs Principal Media Tieto is a leading software and digital engineering services company with global market reach and capabilities.  We provide customers across different industries with mission-critical solutions through our specialized software  businesses Tieto Caretech, Tieto Banktech and Tieto Indtech as well as Tieto Tech Consulting business. Our  around 14 000 talented vertical software, design, cloud and AI experts are dedicated to empowring our  customers to succeed and innovate with latest technology.  Tieto`s annual revenue is approximately EUR 2 billion. The company`s shares are listed on the NASDAQ exchange  in Helsinki and Stockholm, as well as on Oslo Børs. www.tieto.com