Who was the President at the time of 18th amendment in Pakistan?

Who was the President at the time of 18th amendment in Pakistan?

پاکستان میں 18ویں ترمیم کے وقت صدر کون تھا؟
Explanation

The Eighteenth Amendment of the Constitution of Pakistan was passed by the National Assembly of Pakistan on April 8, 2010, removing the power of the President of Pakistan to dissolve the Parliament.