Mandatory notification of Trade by Primary Insider

3.9.2026 07:42:50 CEST | Soiltech ASA | Managers' transaction Soiltech ASA (OSE: STECH) Sandnes, Norway, 03 September 2026 On September 01 2026, Knatten I AS a company associated with Jan Erik Tveteraas, CEO and primary insider of Soiltech ASA, sold 5 095 shares at an average price of NOK 85.4 per share in Soiltech ASA. After this transaction, Knatten I AS holds 617 405 shares in Soiltech ASA. See attached form for further details. DISCLOSURE REGULATION This information is subject to the disclosure requirements pursuant to Section 5-12 of the Norwegian Securities Trading Act. CONTACTS * Jan Erik Tveteraas, CEO, Soiltech ASA * Tove Vestlie, CFO / Investor Relations, Soiltech ASA, tove.vestlie@soiltech.no ABOUT SOILTECH ASA Soiltech is an innovative technology company specializing in the treatment, recycling and sustainable handling of contaminated water and solid waste on site. Our technologies enable cost savings and lower CO2 emissions through waste reduction, waste recovery and reuse. Soiltech operates world-wide and is headquartered in Norway. ATTACHMENTS Download announcement as PDF.pdf - https://kommunikasjon.ntb.no/ir-files/17849399/19049933/16732/Download%20announc ement%20as%20PDF.pdf KRT1500 Jan Erik Tveteraas 01 09 2026.pdf - https://kommunikasjon.ntb.no/ir-files/17849399/19049933/16699/KRT1500%20Jan%20Er ik%20Tveteraas%2001%2009%202026.pdf