Provectus Biofuels Appoints SOS Engineering as Owner’s Engineer to Support the Front-End Engineering and Design Phase of the Dobrojet Renewable Jet Fuel Project

Vegreville, Alberta–(Newsfile Corp. – August 28, 2025) – Provectus Biofuels Inc. (the “Company” or “Provectus“) today announced the Company has signed a Letter of Intent (“LOI“) with SOS Engineering Ltd. (“SOS“) to collaborate on the execution of the front-end engineering and design (“FEED“) phase of the DobroJet renewable jet fuel project. The LOI outlines the planned provision of services beyond the currently approved scope of the existing engineering services agreement (“ESA“).

“Establishing SOS as our Owner’s Engineer is the natural progression of their work and reflects the progress SOS has made to-date in the Pre-FEED phase of Provectus’ Dobrojet renewable jet fuel project,” said Jon Jaque, CEO of Provectus. “As we prepare for the front-end engineering and design phase for the Dobrojet project in Vegreville, AB, it makes sense to deepen our relationship with SOS given their knowledge and understanding of the project. This development enhances our ability to advance Dobrojet to help air carriers meet the air travel industry’s growing decarbonization requirements.”

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