<img src="https://ml-eu.globenewswire.com/Resource/Download/0d4e75bb-b970-495e-8fee-fa6b6158dd41?size=2" nborder="0" align="left" hspace="5" vspace="5" title="Huhtamäki Oyj" alt="Huhtamäki Oyj"/>HUHTAMÄKI OYJ STOCK EXCHANGE RELEASE 21.5.2026 AT 14:00 EEST Notification according to Chapter 9, Section 10 of the Securities Market Act Huhtamäki has received a notification under Chapter 9, Section 10 of the Securities Markets Act (SMA) from the Finnish Cultural Foundation on May 21, 2026. According to the notification, the Finnish Cultural Foundation’s shareholding of Huhtamäki Oyj’s shares and voting rights has decreased below the threshold of ten percent on May 21, 2026. The total position of Finnish Cultural Foundation according to the notification: <table style="border-collapse: collapse; width:921px; border-collapse:collapse ;"><tr><td style="width:183.484px;;border-top: solid black 1pt ; border-right: solid black 1pt ; border-bottom: solid black 1pt ; border-left: solid black 1pt ; "> </td><td style="width:164.344px;;border-top: solid black 1pt ; border-right: solid black 1pt ; border-bottom: solid black 1pt ; ">% of shares and voting rights (total of A)</td><td style="width:183.312px;;border-top: solid black 1pt ; border-right: solid black 1pt ; border-bottom: solid black 1pt ; ">% of shares and voting rights through financial instruments (total of B)</td><td style="width:142.891px;;border-top: solid black 1pt ; border-right: solid black 1pt ; border-bottom: solid black 1pt ; ">Total of both in % (A + B)</td><td style="width:177.062px;;border-top: solid black 1pt ; border-right: solid black 1pt ; border-bottom: solid black 1pt ; ">Total number of shares and voting rights of issuer</td></tr><tr><td style="width:183.484px;;border-right: solid black 1pt ; border-bottom: solid black 1pt ; border-left: solid black 1pt ; ">Resulting situation on the date on which threshold was crossed or reached</td><td style="width:164.344px;;border-right: solid black 1pt ; border-bottom: solid black 1pt ; ">7.72%</td><td style="width:183.312px;;border-right: solid black 1pt ; border-bottom: solid black 1pt ; "> </td><td style="width:142.891px;;border-right: solid black 1pt ; border-bottom: solid black 1pt ; ">7.72%</td><td style="width:177.062px;;border-right: solid black 1pt ; border-bottom: solid black 1pt ; ">8,319,263</td></tr><tr><td style="width:183.484px;;border-right: solid black 1pt ; border-bottom: solid black 1pt ; border-left: solid black 1pt ; ">Position of previous notification (if applicable)</td><td style="width:164.344px;;border-right: solid black 1pt ; border-bottom: solid black 1pt ; ">14.4%</td><td style="width:183.312px;;border-right: solid black 1pt ; border-bottom: solid black 1pt ; "> </td><td style="width:142.891px;;border-right: solid black 1pt ; border-bottom: solid black 1pt ; ">14.4%</td><td style="width:177.094px;;border-right: solid black 1pt ; border-bottom: solid black 1pt ; "> </td></tr></table> Notified details of the resulting situation on the date on which the threshold was crossed or reached: <table align="center" style="border-collapse: collapse; width:577px; border-collapse:collapse ;"><tr><td colspan="5" style="width:577.07px;;border-top: solid black 1pt ; border-right: solid black 1pt ; border-bottom: solid black 1pt ; border-left: solid black 1pt ; ">A: Shares and voting rights</td></tr><tr><td rowspan="2" style="width:136.87px;;border-right: solid black 1pt ; border-left: solid black 1pt ; ">Class/type of shares ISIN code (if possible)</td><td colspan="2" style="width:232.6px;">Number of shares and voting rights</td><td colspan="2" style="width:207.6px;;border-right: solid black 1pt ; border-left: solid black 1pt ; ">% of shares and voting rights</td></tr><tr><td style="width:89.6px;;border-top: solid black 1pt ; border-right: solid black 1pt ; border-bottom: solid black 1pt ; vertical-align: top ; ">Direct (SMA 9:5)</td><td style="width:143px;;border-top: solid black 1pt ; border-right: solid black 1pt ; border-bottom: solid black 1pt ; border-left: solid black 1pt ; ">Indirect (SMA 9:6 and 9:7)</td><td style="width:86.54px;;border-top: solid black 1pt ; border-right: solid black 1pt ; border-bottom: solid black 1pt ; ">Direct (SMA 9:5)</td><td style="width:121.07px;;border-top: solid black 1pt ; border-right: solid black 1pt ; border-bottom: solid black 1pt ; vertical-align: top ; ">Indirect (SMA 9:6 and 9:7)</td></tr><tr><td style="width:136.87px;;border-top: solid black 1pt ; border-right: solid black 1pt ; border-bottom: solid black 1pt ; border-left: solid black 1pt ; ">FI0009000459</td><td style="width:89.6px;;border-right: solid black 1pt ; border-bottom: solid black 1pt ; ">8,319,263</td><td style="width:143px;;border-right: solid black 1pt ; border-bottom: solid black 1pt ; "> </td><td style="width:86.54px;;border-right: solid black 1pt ; border-bottom: solid black 1pt ; ">7.72%</td><td style="width:121.07px;;border-right: solid black 1pt ; border-bottom: solid black 1pt ; "> </td></tr><tr><td style="width:136.87px;;border-right: solid black 1pt ; border-bottom: solid black 1pt ; border-left: solid black 1pt ; ">SUBTOTAL A</td><td style="width:89.6px;;border-bottom: solid black 1pt ; ">8,319,263</td><td style="width:143px;;border-right: solid black 1pt ; border-bottom: solid black 1pt ; "> </td><td style="width:86.54px;;border-bottom: solid black 1pt ; "> </td><td style="width:121.07px;;border-right: solid black 1pt ; border-bottom: solid black 1pt ; "> </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. For further information, please contact: Kristian Tammela, Vice President, Investor Relations, tel. +358 10 686 7058 HUHTAMÄKI OYJ Corporate Communications About Huhtamaki Huhtamaki is a leading global provider of sustainable packaging solutions for consumers around the world. Our innovative products protect on-the-go and on-the-shelf food and beverages, and personal care products, ensuring hygiene and safety, driving accessibility and affordability, and helping prevent food waste. We embed sustainability in everything we do. Huhtamaki has over 100 years of history and a strong Nordic heritage. Our around 17 400 professionals operate in 35 countries and 105 locations around the world. Our values are Care Dare Deliver. In 2025 Huhtamaki’s net sales totaled EUR 4.0 billion. Huhtamäki Oyj is listed on the Nasdaq Helsinki and the head office is in Espoo, Finland. Find out more at <a href="https://www.globenewswire.com/Tracker?data=T3KFmhAfe6zEXOdHRgTgQQD08BkNjOtdbM33bghs_jiM-ck1FJRG8zUne98evNu4G1-0QXDCXQ_eVX-cDM1L2bDwkIYlyljTG4D1-14K416D1EB5Z9V5pMczZshLi9HlIr_Un2uKDPXa_hDXHSU4VJc0_b2O2RQCpk9KeYrmbUApCS77-LzhaQSBarHhAHh5fbiUOAKnaImlb_bWL2Fpgis50ClMJgrwU0YBN97z08Bq60t9hl10DN9mhVxMc9E1xk5sOK_NTkdSZ9cQVjX9Ew==" rel="nofollow" target="_blank" title="www.huhtamaki.com">www.huhtamaki.com</a>.  <img alt="" src='https://ml-eu.globenewswire.com/media/OWJhNTUwNTktNGI1ZS00YTkyLWI5OGItZTVjNmZkY2JhMzYxLTEwMTQwMDktMjAyNi0wNS0yMS1lbg==/tiny/Huhtam-ki-Oyj.png' referrerpolicy='no-referrer-when-downgrade' />

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Notification according to Chapter 9, Section 10 of the Securities Market Act

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