Wärtsilä Corporation - Managers' transaction: Huovinen, Sakari

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Person subject to the notification requirement

Name: Sakari Huovinen

Position: Closely associated person

(1):Person Discharging Managerial Responsibilities In Issuer

Name: Anu Sirkiä

Position: Other senior manager

Issuer: Wärtsilä Corporation

LEI: 743700G7A9J1PHM3X223

Notification type: INITIAL NOTIFICATION

Reference number: 167108/9/12

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Transaction date: 2026-07-22

Venue: HREU

Instrument type: SHARE

ISIN: FI0009003727

Nature of transaction: ACQUISITION

Transaction details

(1): Volume: 328 Unit price: 30.44 EUR

Aggregated transactions (1):

Volume: 328 Volume weighted average price: 30.44 EUR

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Transaction date: 2026-07-22

Venue: CEUX

Instrument type: SHARE

ISIN: FI0009003727

Nature of transaction: ACQUISITION

Transaction details

(1): Volume: 132 Unit price: 30.52 EUR

Aggregated transactions (1):

Volume: 132 Volume weighted average price: 30.52 EUR

More information:

Samu Heikkilä
Senior Manager, Investor Relations
Tel. +358 10 709 1121
samu.heikkila@wartsila.com

Wärtsilä in brief

Wärtsilä is a global leader in innovative technologies and lifecycle solutions for the marine and energy markets. We emphasise innovation in sustainable technology and services to help our customers continuously improve environmental and economic performance. Our dedicated and passionate team of 17,900 professionals in 199 locations in 78 countries shape the decarbonisation transformation of our industries across the globe. In 2025, Wärtsilä's net sales totalled EUR 6.2 billion. Wärtsilä is listed on Nasdaq Helsinki. www.wartsila.com