ORION CORPORATION PRESS RELEASE 11 APRIL 2024 at 9.30 EEST Orion publishes Interim Report for January–March 2024 and holds a webcast on 25 April 2024 Orion will publish Interim Report for January–March 2024 on Thursday, 25 April 2024 at approximately 12.00 noon EEST. The release and related presentation material will be available on the company’s website at www.orion.fi/en/investors after publishing. Webcast and conference call A webcast and a conference call for analysts, investors and media representatives will be held on Thursday, 25 April 2024 at 13.30 EEST. A link to the live webcast is available on Orion’s website at www.orion.fi/en/investors. A recording of the event will be available on the website later the same day. Confenrence call can be joined by registering through the following link: http://palvelu.flik.fi/teleconference/?id=10011670 Phone numbers and the conference ID to access the conference will be provided after the registration. In case you would like to ask a question during the conference, please dial *5 on your telephone keypad to enter the question queue. Questions can also be presented in writing through the question form of the webcast. Silent period The silent period preceding the publication is ongoing and continues until the disclosure. Contact person:Tuukka Hirvonen, Investor Relations, Orion Corporationtel. +358 10 426 2721 Publisher:Orion CorporationCommunicationsOrionintie 1A, FI-02200 Espoo, Finlandwww.orion.fi Orion is a globally operating Finnish pharmaceutical company – a builder of well-being. We develop, manufacture and market human and veterinary pharmaceuticals and active pharmaceutical ingredients. Orion has an extensive portfolio of proprietary and generic medicines and consumer health products. The core therapy areas of our pharmaceutical R&D are oncology and pain. Proprietary products developed by Orion are used to treat cancer, neurological diseases and respiratory diseases, among others. Orion’s net sales in 2023 amounted to EUR 1,190 million and the company had about 3,600 employees at the end of the year. Orion’s A and B shares are listed on Nasdaq Helsinki.