The study is an investigation into the Effect of Communication on Employee Performance, with focus on Asaba Aluminium Co, Asaba, Delta State. The objectives of study were to determine whether there is any relationship between oral communication (OR) and Employee Performance (EP) whether there is a relationship between written communication (WR) and Employees Performance (EP) and to also determine whether there is any relationship between face to face communication (FF) and employee performance (EP). The objectives of the study were postulated into hypotheses. The study has to randomly select respondents. The major instrument for data collections was the structured and unstructured questionnaires. Methods of data analysis include the simple arithmetic employed to analyse the frequency and percentage distribution of respondents’ profile. There were three postulated hypotheses which were tested to verify their validity using Analysis of Variance (ANOVA) and regression statistics. The result reveals that there is no relationship between oral and face to face communication and employee performance. However, the study further proves that there is significance relationship between written communication and employee performance. With written (WR) communication coefficient 0.039583< than the p-value 07552341 population and research design. With the result, the null hypothesis was accepted. Recommendations were provided based on the findings, for any channels of communication to be effective, managers of business enterprise should be skilful enough to know when and where to engage oral, written and face to face communication to ensure its effectiveness.