Pinnacle Renewable Energy announced it has received notice of regulatory charges laid by Alberta Occupational Health and Safety (OHS) following their investigation of the explosion which resulted in injuries at the Company's plant in Entwistle, AB on February 11, 2019. Pinnacle cooperated fully with OHS, and other government agencies during the investigation to understand the unique circumstances leading up to the incident and continues to implement advances in equipment design and systems that ensure safe operations at Entwistle and across all of its facilities. The Entwistle plant resumed operations on March 29, 2019 following approval from OHS and local authorities.