This paper conducts an event study of the impact of multilateraldebt relief initiatives announcements on the stock prices of South Africancompanies with subsidiaries in countries benefited by these initiatives.It shows that these prices increase significantly above those of other firms,especially around the launching of the Multilateral Debt Relief Initiative.These price increases are consistent with lower expected levels of futuretaxation in the benefited countries and provide evidence of the economicconsequences of multilateral debt relief that is robust to reverse causalitybetween economic performance and the decision to grant debt relief.