This research explores the impact of organizational culture on expatriate’s working performance at Universiti Malaysia Perlis. The factors that affect expatriate’s job performance are important in enabling expatriates to acquire essential competencies that allow them to complete their tasks in workplace. This research was a survey (questionnaires) method. Data were gathered from 150 respondents consist of expatriates who were academicians and non-academician of legal age 18 and above on random basis from several academic schools in UniMAP. The analysis of the study uses Mi-crosoft Excel and Statistical Package for Social Sciences (SPSS) Software Version 16.0. The data were analyzed using descriptive analysis and multiple regression analysis. According to the results presented, language barriers and communication style were found to have significant effects on expatriate’s working performance. Therefore, from the results of two hypotheses tested there are meaningful relationships between language barriers and communication style toward expatriates working performance at Universiti Malaysia Perlis. This research has accumulated an empirical knowledge base which concentrates on coping behaviors for foreign staffs in higher education in-stitution contexts. The findings of this research will help the management of UniMAP understand the impact of organizational culture’s factors on expatriates working performance. The results of the present study showed that it could set up the right organizational culture and ultimately further improve the organization performance.