In a supply chain, warehousing function is very critical as it acts as a node in linking the materialrnflows between the supplier and customer in todayâ€™s competitive market environment companiesrnare continuously forced to improve their warehousing operations, and many companies have alsorncustomized their value proposition to increase their customer service levels, which has led tornchanges in the role of warehouses. For many years, the private sector has taken a professional,rnsystematic approach to warehousing; recognizing its importance to overall cost, customerrnsatisfaction, and performance of the business. In turn, organizations involved in public health inrnthe developing world have started to focus more attention on commodity warehousing, realizingrnits role as a critical resource for improving public health, and the professional and systematicrnapproach used by the private sector is directly applicable to the challenges public healthrnwarehousing face in countries around the world. Challenges, such as the increase in variety ofrnproducts in the public health system, or stock keeping units (SKUs), and the demand for reducedrnprocessing time, can be addressed by improving inventory management; and, in some cases, usingrntechnologies, such as automated data collection tools. Warehouse operation performancernmeasurements are becoming more and more important issue when warehouse operationrnmanagement becomes focus. measuring warehouse operation performance helps the agency tornidentify, success, helps the agency to clearly monitor and control its activity which will help thernagency in meeting its strategic objectives, to easily identify factors which hinder success and torndesign a strategic plan to alleviate bottlenecks for improvements of the agency performance in thernpharmaceutical supply chain, to make decisions based on visible facts. The objective of thisrnresearch is to critically assess warehouse operation management at CEPSA The researcher haverngathered data through primary sources using questionnaire SPSS software was applied to presentrnand analyze the data gathered from 69 study participants, and the analysis result presented inrndifferent statistical presentation for ease of understanding the result