Regulatory press release

Herantis Pharma Oyj: Managers' Transactions – Antti Vuolanto

Herantis Pharma Plc

Company release 13 May 2026 at 17:40 EEST

Herantis Pharma Oyj - Managers' Transactions

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Person subject to the notification requirement

Name: Antti Vuolanto

Position: Chief Executive Officer

Issuer: Herantis Pharma Oyj

LEI: 743700W4CQVYAT3WKK38

Notification type: INITIAL NOTIFICATION

Reference number: 156784/4/4

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Transaction date: 2026-05-13

Outside a trading venue

Instrument type: FINANCIAL INSTRUMENT LINKED TO A SHARE OR A DEBT INSTRUMENT

Name of the instrument: 2026 option rights in Herantis Pharma Plc

Nature of transaction: ACCEPTANCE OF A STOCK OPTION

Transaction details

(1): Volume: 165000 Unit price: 0 EUR

Aggregated transactions (1):

Volume: 165000 Volume weighted average price: 0 EUR

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For more information, please contact:

Tone Kvåle, CFO

Tel: +47 915 19576

Email: ir@herantis.com

Certified Advisor:

UB Corporate Finance Oy, Finland: +358 9 25 380 225

ubcf@unitedbankers.fi

Company website: www.herantis.com