Speaking on Sunday evening, Majid Chegeni said: “The trilateral gas swap agreement of Turkmenistan and Azerbaijan through the territory of the Islamic Republic of Iran was signed in the presence of the presidents of the three countries.”

He added: "This agreement is of economic and geopolitical importance in strengthening regional relations, and according to the agreement, 1.5 to 2 billion cubic meters of gas will be transferred annually from Turkmenistan to the Republic of Azerbaijan through the territory of the Islamic Republic of Iran."