Vaisala Corporation: Managers’ Transactions – Gulli, Lorenzo

About this update from Vaisala Oyj Class A

Vaisala Corporation Managers’ Transactions March 6, 2026, at 2:00 p.m. (EET) Vaisala Corporation: Managers’ Transactions – Gulli, Lorenzo ____________________________________________ Person subject to the notification requirement Name: Gulli, Lorenzo Position: Other senior manager Issuer: Vaisala Oyj LEI: 743700RNDD7KU11HW873 Notification type: INITIAL NOTIFICATION Reference number: 743700RNDD7KU11HW873_20260305144424_86 ____________________________________________ Transaction date: 2026-03-05 Venue not applicable Instrument type: SHARE ISIN: FI0009900682 Nature of the transaction: RECEIPT OF A SHARE-BASED INCENTIVE Transaction details (1): Volume: 500 Unit price: 0.00 EUR Aggregated transactions (1): Volume: 500 Volume weighted average price: 0.00 EUR More information: Niina Ala-Luopa, investor relations +358 400 728 957, [email protected] 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

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