This research dealt with the effect of reward management on employee performance of MTN Ug. This study was conducted through a descriptive survey performance research design. This study involves MTN Ug Kampala main branch employees. This research was guided research questions based on the variables fore mentioned. The data gathered concerning reward management was generated from reward management Journals and magazines, Text books, internet. The study handled issues as cited from the challenges encountered in reward management level of employee performance in MTN level of employee. A sample size of 80 respondents is determined using Solven's formula n = N 1+ N (e)2 Respondents were provided with questionnaires to answer so as to get their views on the subjects and some were subjected to interviews.