In this paper, we examine the systemic risk implications of banking institutions that are considered ‘Too-systemically-important-to-fail’ (TSITF). We exploit a sample of bank mergers and acquisitions (M&As) in nine EU economies between 1997 and 2007 to capture safety net subsidy effects and evaluate their ramifications for systemic risk. We find that safety net benefits derived from M&A activity have a significantly positive association with rescue probability, suggesting moral hazard in banking systems. We, however, find no evidence that gaining safety net subsidies leads to TSITF bank's increased interdependency over peer banks.