T he main purpose ofthis study is to know the impact of product development ofPT Energizer Indonesia which lead to the improvement of products' performance within the company. This study was conducted by collecting data from 100 employees, who work in operational department of PT Energizer Indonesia, as the respondents who are related to the variable that is being studied. The variable of product development in this study consists of supplier integration, internal integration and consumer integration as well as product performance variable. Data processing was done using multiple regression method, to analyze the effect of product development to product performace. The result ofthis study is that there is significant effects between product development to the product performance in PT Energizer Indonesia.