Fayza Abul-Naga, Egypt's long-time minister of international cooperation, would not accept a position in the cabinet of Prime Minister Hisham Qandil, she said Thursday.
The Muslim Brotherhood would select the new minister to replace her, a Freedom and Justice Party official told Ahram Online.
The final list of new ministers is expected to be completed on Friday at a meeting between PM Qandil and President Morsi.
An official announcement on the composition of the cabinet is expected next week.
Abul-Naga was international cooperation minister for 11 years during the Mubarak era and continued in the position under former prime minister Kamal El-Ganzouri.