The charter of the forum, which includes Egypt, Jordan, Israel, Greece, Cyprus and Italy, was signed.
Egypt's accession to the Eastern Mediterranean Gas Organization comes as part of its efforts to transform into a regional energy center in the region.
Egypt took the initiative to invite energy ministers from eastern Mediterranean countries, along with representatives of the European Union, for the first ministerial meeting in Cairo in mid-January of 2019.
Egypt has two LNG facilities that have either been suspended or are operating at less than their capacity and can be used for export.
Large deposits of gas appeared in the waters of Israel, Egypt and Cyprus in the past years.