Media Release

16.10.2026

Delisting Leclanché SA, Yverdon-les-Bains

On 8 October 2026, SIX Exchange Regulation AG (SER) submitted a request to the Regulatory Board of SIX Group AG for the delisting of all registered shares of Leclanché SA (Swiss Security Number 11’030’311 / ISIN CH0110303119) with a nominal value of CHF 0.10 each listed on SIX Swiss Exchange AG pursuant to Art. 58 para. 1 ciph. 4 Listing Rules (LR) as trading in shares of Leclanché SA has been suspended for more than three months and the reasons for the imposition of this measure have not ceased to exist. The reason for the imposition of this measure was Leclanché SA’s failure to prepare and publish its 2025 annual report in accordance with Art. 49 LR. The Regulatory Board approved the request in its decision of 15 October 2026.

The decision of the Regulatory Board is not legally binding yet and can be appealed to the Appeals Board within 20 trading days. SER will inform accordingly.

Trading in Leclanché SA registered shares remains suspended for the time being. Trading will reopen after the announcement of the possible, legally binding delisting and will remain open for a total of three months until the last trading day.