There ya go. Egypt is a member of the GCC.
President SISI was responsible leadership, long before the GCC.
But yes. You are correct.
The six Nations of the Gulf Cooperation Council (GCC) are: Bahrain, Kuwait, Oman, Qatar, Saudi Arabia, and the United Arab Emirates.
The Egyptian Government is in a death match with the Muslim Brotherhood, and Turkey has given sanctuary to the leadership of the Muslim Brotherhood.