<img src="https://ml-eu.globenewswire.com/Resource/Download/18e7df8c-5c80-47d7-821a-29057b0b1d15?size=2" nborder="0" align="left" hspace="5" vspace="5" title="Sanoma Corp" alt="Sanoma Corp"/>Sanoma Corporation, Stock Exchange Release, 9 September 2026 at 7:40 p.m. EEST Sanoma Corporation: Notification of a change in shareholding according to Chapter 9, Section 10 of the Securities Market Act Sanoma Corporation (Sanoma) has received a notification under Chapter 9, Section 5 of the Securities Market Act (SMA) from RR &amp; Co Ab on 9 September 2026. According to the notification, the total holding of Sanoma’s shares and voting rights owned by RR &amp; Co Ab exceeded the threshold of 10% as a result of share transactions concluded on 9 September 2026. To pursue a generational transfer of their ownership in Sanoma, the siblings Robin Langenskiöld and Rafaela Seppälä have, through transfers carried out on Nasdaq Helsinki Ltd. on 9 September 2026, sold their entire shareholding in Sanoma to RR &amp; Co Ab. The purchase price was based on the market price of the Sanoma share on Nasdaq Helsinki Ltd, less an agreed discount. RR &amp; Co Ab is a newly established company owned and controlled by Robin Langenskiöld’s and Rafaela Seppälä’s children and grandchildren. Robin Langenskiöld and Rafaela Seppälä hold no ownership in, or control over, RR &amp; Co Ab, either directly or indirectly, and the parties to the trans-fers are independent of each other. The controlled generational transfer of ownership is intended to maintain the family’s shareholding in Sanoma under a unified ownership structure and to avoid avoidable fragmentation of ownership. Total positions of RR &amp; Co Ab subject to the notification: <table style="border-top: solid black 1pt ; border-right: solid black 1pt ; border-bottom: solid black 1pt ; border-left: solid black 1pt ; border-collapse: collapse; width:514.4pt; border-collapse:collapse ;"><tr><td style="width:0px;;border-top: solid black 1pt ; border-right: solid black 1pt ; border-bottom: solid black 1pt ; border-left: solid black 1pt ; vertical-align: top ; "> </td><td style="width:0px;;border-top: solid black 1pt ; border-right: solid black 1pt ; border-bottom: solid black 1pt ; border-left: solid black 1pt ; vertical-align: top ; ">% of shares and voting rights (total of A)</td><td style="width:0px;;border-top: solid black 1pt ; border-right: solid black 1pt ; border-bottom: solid black 1pt ; border-left: solid black 1pt ; vertical-align: top ; ">% of shares and voting rights through financial instruments (total of B)</td><td style="width:0px;;border-top: solid black 1pt ; border-right: solid black 1pt ; border-bottom: solid black 1pt ; border-left: solid black 1pt ; vertical-align: top ; ">Total of both in % (A+B)</td><td style="width:0px;;border-top: solid black 1pt ; border-right: solid black 1pt ; border-bottom: solid black 1pt ; border-left: solid black 1pt ; vertical-align: top ; ">Total number of shares and voting rights of issuer</td></tr><tr><td style="width:0px;;border-top: solid black 1pt ; border-right: solid black 1pt ; border-bottom: solid black 1pt ; border-left: solid black 1pt ; vertical-align: top ; ">Resulting situation on the date on which threshold was crossed or reached</td><td style="width:0px;;border-top: solid black 1pt ; border-right: solid black 1pt ; border-bottom: solid black 1pt ; border-left: solid black 1pt ; vertical-align: top ; ">12.18%</td><td style="width:0px;;border-top: solid black 1pt ; border-right: solid black 1pt ; border-bottom: solid black 1pt ; border-left: solid black 1pt ; vertical-align: top ; ">N/A</td><td style="width:0px;;border-top: solid black 1pt ; border-right: solid black 1pt ; border-bottom: solid black 1pt ; border-left: solid black 1pt ; vertical-align: top ; ">12.18%</td><td style="width:0px;;border-top: solid black 1pt ; border-right: solid black 1pt ; border-bottom: solid black 1pt ; border-left: solid black 1pt ; vertical-align: top ; ">163,565,663</td></tr><tr><td style="width:0px;;border-top: solid black 1pt ; border-right: solid black 1pt ; border-bottom: solid black 1pt ; border-left: solid black 1pt ; vertical-align: top ; ">Positions of previous notification</td><td style="width:0px;;border-top: solid black 1pt ; border-right: solid black 1pt ; border-bottom: solid black 1pt ; border-left: solid black 1pt ; vertical-align: top ; ">N/A</td><td style="width:0px;;border-top: solid black 1pt ; border-right: solid black 1pt ; border-bottom: solid black 1pt ; border-left: solid black 1pt ; vertical-align: top ; ">N/A</td><td style="width:0px;;border-top: solid black 1pt ; border-right: solid black 1pt ; border-bottom: solid black 1pt ; border-left: solid black 1pt ; vertical-align: top ; ">N/A</td><td style="width:0px;;border-top: solid black 1pt ; border-right: solid black 1pt ; border-bottom: solid black 1pt ; border-left: solid black 1pt ; vertical-align: top ; ">N/A</td></tr></table> Notified details of the resulting situation on the date on which the threshold was crossed or reached: A: Shares and voting rights: <table style="border-top: solid black 1pt ; border-right: solid black 1pt ; border-bottom: solid black 1pt ; border-left: solid black 1pt ; border-collapse: collapse; width:513.7pt; border-collapse:collapse ;"><tr><td style="width:0px;;border-top: solid black 1pt ; border-right: solid black 1pt ; border-bottom: solid black 1pt ; border-left: solid black 1pt ; vertical-align: top ; ">Class / type of shares ISIN code</td><td colspan="2" style="width:0px;;border-top: solid black 1pt ; border-right: solid black 1pt ; border-bottom: solid black 1pt ; border-left: solid black 1pt ; vertical-align: top ; ">Number of shares and voting rights</td><td colspan="2" style="width:0px;;border-top: solid black 1pt ; border-right: solid black 1pt ; border-bottom: solid black 1pt ; border-left: solid black 1pt ; vertical-align: top ; ">% of shares and voting rights</td></tr><tr><td style="width:0px;;border-top: solid black 1pt ; border-right: solid black 1pt ; border-bottom: solid black 1pt ; border-left: solid black 1pt ; vertical-align: top ; "> </td><td style="width:0px;;border-top: solid black 1pt ; border-right: solid black 1pt ; border-bottom: solid black 1pt ; border-left: solid black 1pt ; vertical-align: top ; ">Direct (SMA 9:5)</td><td style="width:0px;;border-top: solid black 1pt ; border-right: solid black 1pt ; border-bottom: solid black 1pt ; border-left: solid black 1pt ; vertical-align: top ; ">Indirect (SMA 9:6 and 9:7)</td><td style="width:0px;;border-top: solid black 1pt ; border-right: solid black 1pt ; border-bottom: solid black 1pt ; border-left: solid black 1pt ; vertical-align: top ; ">Direct (SMA 9:5)</td><td style="width:0px;;border-top: solid black 1pt ; border-right: solid black 1pt ; border-bottom: solid black 1pt ; border-left: solid black 1pt ; vertical-align: top ; ">Indirect (SMA 9:6 and 9:7)</td></tr><tr><td style="width:0px;;border-top: solid black 1pt ; border-right: solid black 1pt ; border-bottom: solid black 1pt ; border-left: solid black 1pt ; vertical-align: top ; ">FI0009007694</td><td style="width:0px;;border-top: solid black 1pt ; border-right: solid black 1pt ; border-bottom: solid black 1pt ; border-left: solid black 1pt ; vertical-align: top ; ">19,928,117</td><td style="width:0px;;border-top: solid black 1pt ; border-right: solid black 1pt ; border-bottom: solid black 1pt ; border-left: solid black 1pt ; vertical-align: top ; ">N/A</td><td style="width:0px;;border-top: solid black 1pt ; border-right: solid black 1pt ; border-bottom: solid black 1pt ; border-left: solid black 1pt ; vertical-align: top ; ">12.18%</td><td style="width:0px;;border-top: solid black 1pt ; border-right: solid black 1pt ; border-bottom: solid black 1pt ; border-left: solid black 1pt ; vertical-align: top ; ">N/A</td></tr><tr><td style="width:0px;;border-top: solid black 1pt ; border-right: solid black 1pt ; border-bottom: solid black 1pt ; border-left: solid black 1pt ; vertical-align: top ; ">Subtotal A</td><td colspan="2" style="width:0px;;border-top: solid black 1pt ; border-right: solid black 1pt ; border-bottom: solid black 1pt ; border-left: solid black 1pt ; vertical-align: top ; ">19,928,117</td><td colspan="2" style="width:0px;;border-top: solid black 1pt ; border-right: solid black 1pt ; border-bottom: solid black 1pt ; border-left: solid black 1pt ; vertical-align: top ; ">12.18%</td></tr></table> Person subject to the notification obligation is not controlled by any natural person or legal entity and does not control any other undertaking(s) holding directly or indirectly an interest in the (underlying) issuer. Additional information Kaisa Uurasmaa, Head of Investor Relations and Sustainability, tel. +358 40 560 5601 Sanoma  Sanoma is an innovative and agile learning and media company impacting the lives of millions every day. Across Europe, we support teachers and students with the best-in-class learning content and solutions to help all students reach their potential. We combine pedagogical expertise with quality content and innovative educational technologies to help shape the future of K12 education. Our Finnish media provide independent journalism and engaging entertainment also for generations to come. Our unique cross-media position offers the widest reach and tailored marketing solutions for our business partners. We have a clear organic growth pathway in K12 education and aim to accelerate growth through value-creating M&amp;A. Across our business, we are responsibly harnessing the opportunities of AI, always emphasising human oversight. Our Sustainability Strategy is designed to maximise our positive ‘brainprint’ on society and to minimise our environmental footprint. We are committed to the UN Sustainable Development Goals and signatory to the UN Global Compact. Today, we operate across Europe and employ close to 5,000 professionals. In 2025, our net sales amounted to approx. 1.3bn€ and our adjusted operating profit margin was 14.4%. Sanoma shares are listed on Nasdaq Helsinki. More information is available at <a href="https://www.globenewswire.com/Tracker?data=Hhlqm_NOl7ekYjduBZc9yhJ1HIzlTYInE2TzEH-ZUs-vghG-E-EZoMYSw2iLWRX_XCS-76rpFSi2KHcaJmOWOg==" rel="nofollow" target="_blank" title="sanoma.com">sanoma.com</a>. <img alt="" src='https://ml-eu.globenewswire.com/media/MGNlOWZhOWYtMWFiZi00MDM5LWE2NDMtMDJkNWJiOGZmNzIxLTEwMTM0NjQtMjAyNi0wOS0wOS1lbg==/tiny/Sanoma-Oyj.png' referrerpolicy='no-referrer-when-downgrade' />

Sanoma Corporation: Notification of a change in shareholding according to Chapter 9, Section 10 of the Securities Market Act

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