Energy sovereignty and security, sustainable fuels and competitive renewable gases: Haffner Energy is accelerating the execution of its roadmap with CORE100, H6 and its international developments. Vitry-le-François, France – June 25, 2026, at 6.00 pm (CEST) HAFFNER ENERGY (ISIN code: FR0014007ND6 – Ticker symbol: ALHAF) announces an estimate of its consolidated results as at 31 March 2026, as the audit of the accounts by the statutory auditors has not yet been finalised. The Company's change in accounting f ...