Citicorp\u27s announcement of a sizeable increase to its loan loss reserve account was a landmark public admission of possible loan default by Third World debtor nations. This paper analyzes the impact of the announcement on Citicorp, the banking industry, and the stock market. The results provide evidence of a positive response to Citicorp\u27s action. There is additional evidence that the size of the market response is related to an individual bank\u27s degree of international loan exposure