Bulgarian state gas company Bulgargaz EAD has started arbitration proceedings against Russia’s Gazprom, the Bulgarian company reported on July 9 on its website. In 2023, the Russian gas giant suspended Bulgargaz’s long-term contract, which covered 90% of the quantities of natural gas delivered by Bulgargaz to customers. The Russian company had stopped supplying natural gas to Bulgargaz in April 2022. Bulgargaz EAD launched proceedings on July 8 at the Arbitration Court of the International Trade Chamber in Paris, according to the statement. In May, Bulgargaz EAD sent the Russian company a prop…