Assessing the success of an information system might help in locating weak and strong points of the system leading to the improvement of system under assessment. A popular system evaluation construct is user's satisfaction. Different measuring instruments were developed to assess this construct at the organization environment. In addition to the traditional instruments that were develop to assess information system success, new instruments need to be adapted that can cope with the internet context. This paper presents a measuring instrument that was developed to evaluate Kuwait e-government user's satisfaction while seeking information via Kuwait e-government portal. The instrument was based on several satisfaction factors. The application of this instrument indicated that the suggested factors predict the overall user satisfaction.