ABSTRACT'. In this research, the roles of workplace justice, achievement striving behavior and pay satisfaction were used to predict prosocial behaviors. A total of 354 individuals from a consumer products company provided data for this research. Results suggest that achievement striving accounted for unique variance in in-role behavior. Perceived fairness in skill-based pays certification process showed positive associations with extra-role and in-role behaviors. In support of previous research, pay satisfaction also provided unique contribution to both extra-role and in-role behaviors.Several research studies have focused on ex~,n~nlng prosocial behaviors. According to Brief and Motowidio (1986), prosocial behaviors are helping behaviors performed to benefit or help an individual, group, or organization with whom an individual interacts while carrying out his or her organizational role. Prosocial behaviors have two components. One is extra-role. These behaviors are not assigned to an individual by the organization and they may not be acknowledged by the organization's reward system (Organ, 1988). The other prosocial behaviors are in-role. These behaviors are actually a part of one's role prescriptions and are assigned to individuals as part of their performance responsibilities.To date, in addition to job satisfaction, much of the research has focused on studying the relations of fairness perceptions and prosocial behaviors (Moorman,1991;Organ, 1988;Schnake, 1991). Organizational fairness is concerned with the ways in which employees determine if they are treated fairly in their jobs and the ways in which those deter-