
Technical Review from KBR Highlights the Advantages of Syntholene's Geothermally Integrated Solid Oxide Electrolyzer Cells for Step Change Reduction in Hydrogen Cost Chicago, Illinois--(Newsfile Corp. - July 9, 2026) - Syntholene Energy Corp. (TSXV: ESAF) (FSE: 3DD0) (OTCQB: SYNTF) ("Syntholene" or the "Company") announced today an independent technical and economic review evaluating Syntholene's geothermal-integrated hydrogen production platform and its potential application to low-carbon fuels, including synthetic sustainable aviation fuel ("eSAF"). Figure 1. Regional Hydrogen Production Cost Comparison (per kilogram) To view an enhanced version of this graphic, please visit: https://images.newsfilecorp.com/files/11636/304450_277c20f9c4cbc810_001full.jpg Kellogg Brown and Root LLC (NYSE: KBR) ("KBR") was engaged by the Company to provide an analysis and opinion of high level technical and cost review of the Company's hydrogen technology that can be applied to eSAF deployments (the "Report").










