Israel's Leviathan natural gas field has signed the largest export agreement in the country's history, worth up to $35 billion to supply gas to Egypt, NewMed , one of the partners in the field, said on Thursday.

The companies operating Israel’s biggest gas field agreed to supply fuel worth $35 billion to Egypt over the next decade and a half, the latest sign of the North African country’s dependence on imports for the long haul.

NewMed, a partner in Israel’s Leviathan natural gas field, announced Thursday that the field has secured the largest export agreement in the nation’s history, a deal valued at up to $35 billion to supply gas to Egypt.