This research aims mainly to identify determinants of performance ofthe agricultural co- operative associations for their agricultural extensionrole in Elbeherah governorate. To achieve this objective it was selectedseven administrative districts by simple random manner, from thesedistricts it was selected sixty multipurpose agricultural cooperativeassociations randomly by the same way too, they were represented to 20%of total multi-purpose agricultural co- operative associations existing in thedistricts selected. Thus, the sample size was amounted to 120respondents. Data were collected from managers and Chairman of theBoard of Directors (CBDs) of selected co-operative associations during the months of January and February 2016 by using personal interviewquestionnaire. Frequency, Percentages, arithmetic mean, standarddeviation, Pearson's simple correlation coefficient (r), multiple correlationcoefficients (R), Multiple Correlation and Regression Step- Wise and t-Testwere used as statistical tools to explain and interpret the results