The purpose of this research was to investigate and determine the difference between the expectations and customer satisfaction of Ahwaz’s international exhibition performance, according to the dimensions of the SERVQUAL model. In this research, the descriptive correlation method was used. This study’s statistical population were all the international exhibition customers in Ahwaz city who have come to the exhibition during 2015. In this research, using Cochran formula and simple random sampling method, 384 people were considered as sample size. Data were analyzed using descriptive and inferential statistics and paired t-test. The results of the study showed a significant level of α = 0.05, which according to all dimensions of the SERVQUAL model including: Tangible factors, reliability factors, response factors, trust factors, empathy factors; there is a significant difference between expectations and customer satisfaction and all research hypothesis are confirmed.
