The present study investigated the independence of Self-Evaluation Maintenance (SEM) processes and the larger self-system. SEM processes are activated whenever another's performance is made salient relative to one's own. According to the SEM model, when one is outperformed by a close other on a task high in self-relevance, self-esteem is lowered and a negative affect state is generated. When one is outperformed by a close other on a task low in self-relevance, however, self-esteem and positive affect are actually enhanced, because one can take pride in the other's accomplishments. There are many sources of threat or enhancement to self-esteem, however, that are unrelated to one's performance relative to another's. The present study, using American undergraduates as subjects, examined the impact that these unrelated self-esteem threats or enhancements might have on SEM processes, that is, whether a prior unrelated ego-threatening or ego-enhancing experience modulates the effects of SEM processes. It was expected that a prior ego-threatening experience would augment the impact of SEM variables, whereas an ego-enhancing experience would attenuate the effect. Results, however, indicated little interaction between SEM processes and unrelated threats or enhancements to self-esteem.