Vaisala’s financial reporting and Annual General Meeting in 2027

Vaisala Corporation Stock exchange release October 26, 2026, at 6:50 p.m. (EET) Vaisala’s financial reporting and Annual General Meeting in 2027 Vaisala Corporation will publish its Financial Statement Release, Half Year Financial Report and two Interim Reports during 2027 as follows:

February 11, 2027: Financial Statement Release 2026

April 23, 2027: Interim Report January–March 2027

July 21, 2027: Half Year Financial Report January–June 2027

October 26, 2027: Interim Report January–September 2027 The Annual Report 2026 will be published at vaisala.com on week 6, 2027. Vaisala Corporation’s Annual General Meeting is scheduled for Tuesday, March 23, 2027. The Board of Directors of the company will convene the meeting. Information regarding the Annual General Meeting can be found at vaisala.com/agm. Additional information Niina Ala-Luopa, investor relations +358 400 728 957, ir@vaisala.com Vaisala Corporation Distribution Nasdaq Helsinki Key media vaisala.com Vaisala is a global leader in measurement instruments and intelligence for climate action. We equip our customers with devices and data to improve resource efficiency, drive energy transition, and care for the safety and well-being of people and societies worldwide. With over 90 years of innovation and expertise, we employ a team of close to 2,500 experts committed to taking every measure for the planet. Vaisala series A shares are listed on the Nasdaq Helsinki stock exchange. www.vaisala.com [1]: https://www.globenewswire.com/Tracker?data=qm59PFSNl9fwPkXcfgl_meC9d1SB9KB_ MjoO5Z1Vc11e15X6fpqpdsXwu8EAzahWxXqZqKL3cqRiwBqA9nIS9IVZ9KD6hnQlgaDDeEX6o64= [2]: https://www.globenewswire.com/Tracker?data=C9kNU-tUqHnBGr6tpXDdNsvs6PGe_8UW yVaPQtuTNFpe4hkgjiWiLcINTsNOPkHFA-HPgvmReSxf3iwCdCS81g== [3]: https://www.globenewswire.com/Tracker?data=qm59PFSNl9fwPkXcfgl_mZFHHUkyzavJ xCtbenBs0B89_CV9y3ublCkqikjyoJMI0u3uWPDA7woHGfZqVezo9iO_Q4u29Q8hk2frjLvHW7g= [4]: https://www.globenewswire.com/Tracker?data=TQOaOWB14nMs53gGlz0MuB3g0bazO4HG BLknfNYaHXtkUHoaM06YFwSdIOtXEe5SODCuzsvX-G1nnCkmO6t3k9WaTqHZ0et3NDRvzAttN3G4TXjG DmbO5Z4vooJdGkWVPH5xJUtP112PyOzicp178sydMw1oz54DwNQlZo3GwDnor-klk01QERh12JgTZFyc MY0gOvMzehhCDlv2pbLeZxZ-jSgGtAXzswuWtfozKKygO4B2LAW4AyJ-DVhdbgix82Jj7gZrcGa0CgAx M87Y7l9ZAzIWy_uGz3nfkyVAjhdvK6GSL2962EfV3J6Fy5ciw90j3L6tH1HevdXQVTsUQF0MJXbgBU7Q r6sOf6gq4KP2RoZMNldzAci0dere0efulTwNJB-BZxFzq9OrZQBsBg==