Mandatory notification of Trade by Primary Insider

Soiltech ASA (OSE: STECH) Sandnes, Norway, 2 June 2025 On May 30, 2025, Knatten I AS, a company associated with Jan Erik Tveteraas, CEO and primary insider of Soiltech ASA, sold 200,000 shares at an average price of NOK 48 per share in Soiltech ASA. After the sale Knatten I AS holds 500 325 shares in Soiltech ASA. See attached form for further details. On May 30, 2025, Wellex AS, a company associated with Glenn Åsland, COO and primary insider of Soiltech ASA, sold 220,000 shares at an average price of NOK 48 per share in Soiltech ASA. After the sale Wellex AS holds 522 730 shares in Soiltech ASA. See attached form for further details. This information is subject to the disclosure requirements pursuant to Article 19 of the EU Market Abuse Regulation and is notifiable pursuant to Section 5-12 of the Securities Trading Act. For more information, contact: Tove Vestlie, CFO Telephone: (+47) 90 69 06 48 Jan Erik Tveteraas, CEO Telephone: (+47) 95 21 49 25