ClearSign Technologies Corporation Announces Full Exercise of Purchase Right Granted to clirSPV LLC

Tulsa, OK, July 12, 2022 -- ClearSign Technologies Corporation (Nasdaq: CLIR) ("ClearSign" or the "Company"), an emerging leader in industrial combustion and sensing technologies that improve energy, operational efficiency and safety while dramatically reducing emissions, today announced the exercise in full by clirSPV LLC of the purchase right (the "Purchase Right") granted to it pursuant