The Pension Risk Transfer (PRT) market has grown markedly over the past decade as recent regulatory changes, coupled with greater pricing competition from insurers, have increased the popularity of PRTs. However, for many plan sponsors, PRTs are not the best solution. Plan sponsors should fully understand the potential impact of a risk transfer transaction on their plan, specifically as it relates to three dimensions explored in this paper: funded status, risk reduction, and future costs. Without this understanding, the hidden cost of these transactions may go unnoticed.