The rise in the number of Muslims who desire to comply with Islamic religion prescriptions had led to the existence of strong demand for h . alāl products which most business firms now try to supply. This research examined h . alāl marketing practices and the performance of cooperative societies in Ilorin metropolis. It uses members' patronage of h . alāl product offering and loyalty to dynamic product pricing as measures of performance. Multi-stage sampling procedure was adopted to determine the suitable sample size from the target population and multiple regression analysis was employed as the analytical technique. Finding revealed that h . alāl product offering has a significant influence on members' patronage of Islamic cooperative societies.