Production curtailments at UPM’s pulp mills in Finland

(UPM, Helsinki, June 18, 2026 at 9:40 EEST) – The UPM Kaukas pulp mill will be temporarily shut down as of August 3, 2026 for approximately six weeks. In addition, a potential temporary shutdown of the UPM Pietarsaari pulp mill is being planned for October. These shutdowns are intended to optimize production levels and wood sourcing and to ensure profitability in the current market and cost environments. For further information please contact:Petri Hakanen, Senior Vice President, Fibres Finland Operations, UPM Fibres, tel. +358 40 530 5595Vesa Volmari, General Manager, UPM Kymi

UPM Adhesive Materials highlights climate progress and value chain collaboration in its 2025 Climate Review

(UPM, Helsinki, June 15, 2026 at 14:00 EEST) – UPM Adhesive Materials has published its Climate Review 2025 , outlining significant steps toward its 2030 climate targets. The report highlights reductions in operational emissions, expanded collaboration with suppliers, and ongoing support for customers through transparent data, reliable services and impactful material solutions. In 2025, UPM Adhesive Materials reached a 58 percent reduction in scope 1 and 2

New climate report from UPM Communication Papers marks major progress toward 2030 climate target

(UPM, Helsinki, June 11, 2026 at 11:00 EEST) – UPM Communication Papers has published its 2025 climate report , showing strong progress on the climate action roadmap. In Europe, fossil CO₂ emissions from own operations and purchased energy (Scope 1 and 2) fell by 38% per tonne of paper in 2025, measured against the 2023 baseline year. The reduction demonstrates accelerated implementation of the climate action roadmap. In November 2025, UPM Communication Papers launched its

UPM delivers purpose-built adhesive solutions for demanding label applications

(UPM, Helsinki, June 8, 2026 at 14:00 EEST) – UPM is simplifying adhesive selection with purpose-built solutions designed for demanding label applications. UPM PharmaSure™ for pharmaceuticals, UPM Vetro™ for wine and spirits, and UPM Endurance™ for oil and industrial chemicals help customers choose the right adhesive performance for each end-use. All are part of the UPM Raflatac™ label material offering. Demanding label applications place requirements on adhesives that general-purpose solutions cannot meet. Pharmaceutical packaging must maintain integrity through sterilization

Changes in UPM’s Group Executive Team: Joonas Rauramo appointed Executive Vice President, UPM Energy

UPM-Kymmene Corporation Stock Exchange Release (Changes board/management/auditors) June 3, 2026 at 10:00 EEST Changes in UPM’s Group Executive Team: Joonas Rauramo appointed Executive Vice President, UPM Energy Joonas Rauramo has been appointed Executive Vice President, UPM Energy. He will be a member of UPM’s Group Executive Team and report to Massimo Reynaudo, President and CEO. He will assume his role on October 1, 2026 and will be based in Helsinki, Finland. Rauramo, born in 1983, will join UPM from Coolbrook Oy where he has served as CEO since 2022 and prior to that as

Inside information: UPM and Sappi have signed a definitive agreement on the graphic paper Joint Venture

Inside information: UPM and Sappi have signed a definitive agreement on the graphic paper Joint Venture UPM-Kymmene Corporation Stock Exchange Release (Inside information) May 28, 2026 at 9:30 EEST UPM has today signed a definitive agreement to form a graphic paper Joint Venture with Sappi, and the parties have secured financing arrangements that will provide a robust financial standing for the Joint Venture. A non-binding letter of intent (LOI) on the transaction was signed on December 4, 2025. As earlier announced, the planned Joint Venture will include the entire UPM

UPM acquires Ray Technology® intellectual property from Avantium, broadening its bio-based glycols IP portfolio

(UPM, Helsinki, 13 May 2026 at 19:00 EEST) – UPM today announces that it has reached an agreement with Avantium N.V. to acquire the intellectual property related to Avantium's Ray Technology®, a process for the production of bio-based mono-ethylene glycol (MEG) and mono-propylene glycol (MPG) from plant-based sugars. The transaction comprises Avantium's patent portfolio and invention disclosures related to Ray Technology® and is for UPM not material in financial terms. The strategic value lies in the expansion of UPM's intellectual property position across the conversion of lignocellulosic

UPM introduces receipt materials for order accuracy at quick-service restaurants

(UPM, Mills River, May 7, 2026 at 08:00 EDT) – UPM Adhesive Materials, a global supplier of innovative self-adhesive label materials, launches UPM QuickStick™ receipt materials, designed to help quick-service restaurants (QSRs) improve order accuracy and speed of servicing customers. It delivers reliable labeling performance across various food packaging surfaces, such as paper wraps, cardboard boxes, coated packaging, and plastic containers. The UPM QuickStick portfolio addresses performance needs from repositionable applications to high-adhesion solutions suitable for sealing. It gives

UPM, Michelman and BOBST introduce bio-based paper packaging concept aligned with EU packaging rules

(UPM, Helsinki, May 7, 2026 at 10:00 EEST) – UPM Specialty Materials, Michelman, and BOBST have joined forces to develop two validated paper-based packaging concepts for brands navigating the EU packaging rules, such as the Single-Use Plastics Directive (SUPD). By combining fiber-based materials, bio-based coatings, and coating line expertise, the three companies have built ready-to-implement structures that deliver strong barrier performance and heat sealability over a wide sealing window. “Fulfilling strict expectations demands scalable solutions. Our base papers are

UPM introduces a new portfolio of label solutions designed for packaging recyclability

(UPM, Helsinki, May 5, 2026 at 15:00 EEST) – UPM Adhesive Materials, a global supplier of high-performance self-adhesive products, introduces the new UPM ProCycle™ portfolio of recycling compatible label solutions. The portfolio brings together advanced adhesive technologies and circular products in a coherent offer, to help converters and packaging brand owners select solutions that deliver recognized recyclability performance. The label materials currently included in the portfolio are suited for rigid PET and HDPE packaging in beverage, food, and home and personal care applications.

UPM again among the leading companies in the Dow Jones World and European Sustainability Indices

(UPM, Helsinki, May 4, 2026 at 10:00 EEST) – UPM has been included among the leading companies and as the only company in its sector in the Dow Jones World and European Sustainability Indices (DJSI) for 2025–2026, placing it among the world's most rigorously assessed sustainability leaders for several years in a row.   The DJSI evaluates thousands of the world's largest companies based on environmental, social and governance performance. Companies are evaluated through S&P Global's Corporate Sustainability Assessment, and only the top-ranked in each industry are selected for inclusion.

UPM-Kymmene Corporation: Managers’ Transactions (Ehrnrooth)

UPM-Kymmene Corporation  Managers’ Transactions  April 30, 2026 at 18:00 EEST UPM-Kymmene Corporation: Managers’ Transactions (Ehrnrooth) ____________________________________________ Person subject to the notification requirementName: Henrik EhrnroothPosition: Chair of the BoardIssuer: UPM-Kymmene CorporationLEI: 213800EC6PW5VU4J9U64Notification type: INITIAL NOTIFICATION ____________________________________________ Transaction date: 2026-04-30Venue: NASDAQ HELSINKI LTD (XHEL)Instrument type: SHAREISIN: FI0009005987Nature of transaction: RECEIPT OF A SHARE-

UPM-Kymmene Corporation: Managers’ Transactions (Gustafsson)

UPM-Kymmene Corporation  Managers’ Transactions  April 30, 2026 at 18:00 EEST UPM-Kymmene Corporation: Managers’ Transactions (Gustafsson) ____________________________________________ Person subject to the notification requirementName: Jari GustafssonPosition: Member of the BoardIssuer: UPM-Kymmene CorporationLEI: 213800EC6PW5VU4J9U64Notification type: INITIAL NOTIFICATION ____________________________________________ Transaction date: 2026-04-30Venue: NASDAQ HELSINKI LTD (XHEL)Instrument type: SHAREISIN: FI0009005987Nature of transaction: RECEIPT OF A SHARE-

UPM-Kymmene Corporation: Managers’ Transactions (Oudeman)

UPM-Kymmene Corporation  Managers’ Transactions  April 30, 2026 at 18:00 EEST UPM-Kymmene Corporation: Managers’ Transactions (Oudeman) ____________________________________________ Person subject to the notification requirementName: Marjan OudemanPosition: Member of the BoardIssuer: UPM-Kymmene CorporationLEI: 213800EC6PW5VU4J9U64Notification type: INITIAL NOTIFICATION ____________________________________________ Transaction date: 2026-04-30Venue: NASDAQ HELSINKI LTD (XHEL)Instrument type: SHAREISIN: FI0009005987Nature of transaction: RECEIPT OF A SHARE-

UPM-Kymmene Corporation: Managers’ Transactions (Manner)

UPM-Kymmene Corporation  Managers’ Transactions  April 30, 2026 at 18:00 EEST UPM-Kymmene Corporation: Managers’ Transactions (Manner) ____________________________________________ Person subject to the notification requirementName: Topi MannerPosition: Member of the BoardIssuer: UPM-Kymmene CorporationLEI: 213800EC6PW5VU4J9U64Notification type: INITIAL NOTIFICATION ____________________________________________ Transaction date: 2026-04-30Venue: NASDAQ HELSINKI LTD (XHEL)Instrument type: SHAREISIN: FI0009005987Nature of transaction: RECEIPT OF A SHARE-BASED

UPM-Kymmene Corporation: Managers’ Transactions (à Porta)

UPM-Kymmene Corporation  Managers’ Transactions  April 30, 2026 at 18:00 EEST UPM-Kymmene Corporation: Managers’ Transactions (à Porta) ____________________________________________ Person subject to the notification requirementName: Martin à PortaPosition: Deputy Chair of the BoardIssuer: UPM-Kymmene CorporationLEI: 213800EC6PW5VU4J9U64Notification type: INITIAL NOTIFICATION ____________________________________________ Transaction date: 2026-04-30Venue: NASDAQ HELSINKI LTD (XHEL)Instrument type: SHAREISIN: FI0009005987Nature of transaction: RECEIPT OF A

UPM-Kymmene Corporation: Managers’ Transactions (Kekki)

UPM-Kymmene Corporation  Managers’ Transactions  April 30, 2026 at 18:00 EEST UPM-Kymmene Corporation: Managers’ Transactions (Kekki) ____________________________________________ Person subject to the notification requirementName: Mika KekkiPosition: Other senior managerIssuer: UPM-Kymmene CorporationLEI: 213800EC6PW5VU4J9U64Notification type: INITIAL NOTIFICATION ____________________________________________ Transaction date: 2026-04-30Venue: HREUInstrument type: SHAREISIN: FI0009005987Nature of transaction: ACQUISITION Transaction details(1): Volume:

UPM-Kymmene Corporation: Managers’ Transactions (Aaltonen-Forsell)

UPM-Kymmene Corporation  Managers’ Transactions  April 30, 2026 at 18:00 EEST UPM-Kymmene Corporation: Managers’ Transactions (Aaltonen-Forsell) ____________________________________________ Person subject to the notification requirementName: Pia Aaltonen-ForsellPosition: Member of the BoardIssuer: UPM-Kymmene CorporationLEI: 213800EC6PW5VU4J9U64Notification type: INITIAL NOTIFICATION ____________________________________________ Transaction date: 2026-04-30Venue: NASDAQ HELSINKI LTD (XHEL)Instrument type: SHAREISIN: FI0009005987Nature of transaction: RECEIPT

UPM-Kymmene Corporation: Managers’ Transactions (Karhu)

UPM-Kymmene Corporation  Managers’ Transactions  April 30, 2026 at 18:00 EEST UPM-Kymmene Corporation: Managers’ Transactions (Karhu) ____________________________________________ Person subject to the notification requirementName: Piia KarhuPosition: Member of the BoardIssuer: UPM-Kymmene CorporationLEI: 213800EC6PW5VU4J9U64Notification type: INITIAL NOTIFICATION ____________________________________________ Transaction date: 2026-04-30Venue: NASDAQ HELSINKI LTD (XHEL)Instrument type: SHAREISIN: FI0009005987Nature of transaction: RECEIPT OF A SHARE-BASED

UPM-Kymmene Corporation: Managers’ Transactions (Maas-Brunner)

UPM-Kymmene Corporation  Managers’ Transactions  April 30, 2026 at 18:00 EEST UPM-Kymmene Corporation: Managers’ Transactions (Maas-Brunner) ____________________________________________ Person subject to the notification requirementName: Melanie Maas-BrunnerPosition: Member of the BoardIssuer: UPM-Kymmene CorporationLEI: 213800EC6PW5VU4J9U64Notification type: INITIAL NOTIFICATION ____________________________________________ Transaction date: 2026-04-30Venue: NASDAQ HELSINKI LTD (XHEL)Instrument type: SHAREISIN: FI0009005987Nature of transaction: RECEIPT OF A

UPM-Kymmene Corporation: Managers’ Transactions (Groth)

UPM-Kymmene Corporation  Managers’ Transactions  April 30, 2026 at 18:00 EEST UPM-Kymmene Corporation: Managers’ Transactions (Groth) ____________________________________________ Person subject to the notification requirementName: Magnus GrothPosition: Member of the BoardIssuer: UPM-Kymmene CorporationLEI: 213800EC6PW5VU4J9U64Notification type: INITIAL NOTIFICATION ____________________________________________ Transaction date: 2026-04-30Venue: NASDAQ HELSINKI LTD (XHEL)Instrument type: SHAREISIN: FI0009005987Nature of transaction: RECEIPT OF A SHARE-BASED

The Board of Directors of UPM-Kymmene Corporation has approved a demerger plan concerning the separation of the Plywood business into a new listed company

UPM-Kymmene Corporation Stock Exchange Release (Other information disclosed according to the rules of the exchange)              April 29, 2026 at 12:00 EEST The Board of Directors of UPM-Kymmene Corporation has approved a demerger plan concerning the separation of the Plywood business into a new listed company UPM-Kymmene Corporation (“UPM”, the “Company”) announced on September 23, 2025, a strategic review of the UPM Plywood business area to assess options for maximizing its long-term potential in an evolving market environment. UPM’s Board of Directors has today approved a demerger

UPM Interim Report Q1 2026: Good start to the year – excellent performance in decarbonization solutions

UPM-Kymmene Corporation Stock Exchange Release (Interim Report) April 29, 2026 at 09:45 EEST UPM Interim Report Q1 2026:Good start to the year – excellent performance in decarbonization solutions Q1 2026 highlights   · Sales totaled €2,505 million (2,646 million in Q1 2025) · Comparable EBIT decreased by 5% to €274 million, 10.9% of sales (287 million, 10.8%) · Operating cash flow was €89 million (289 million) · Net debt totaled €2,962 million (2,954 million) and net debt to EBITDA ratio was 2.30 (1.77) · UPM Energy achieved record Q1 results supported by the cold

UPM and Sappi’s planned graphic paper Joint Venture proceeds to phase II of EU merger control

(UPM, Helsinki, April 28, 2026 at 21:00 EEST) – UPM announced in December 2025 the conclusion of a non-binding letter of intent to form a graphic paper Joint Venture with Sappi. The proposed transaction is subject to merger control approval from the European Commission and authorities in other jurisdictions such as the US and China. On April 28, 2026 the European Commission announced the opening of a Phase II investigation, which is a normal step in the Commission’s merger review process in cases where initial concerns have not been fully resolved during Phase I. UPM continues to