EXHIBIT 99 STATE STREET NEWS RELEASE STATE STREET BOSTON CORPORATION 225 Franklin Street For Release: IMMEDIATELY Boston, Massachusetts 02101 Contact: RONALD L. O'KELLEY 617/654-1110 STATE STREET BOSTON CORPORATION ANNOUNCES EXPANDED STOCK PURCHASE PROGRAM AND DIVIDEND INCREASE BOSTON, MA...June 20, 1996 State Street Boston Corporation today announced that its Board of Directors authorized an increase in its stock purchase program from three to six million shares. The Board also voted to increase the quarterly dividend to $.19 per share. With 2.4 million shares acquired to date under the prior stock purchase program, the expanded program allows for the purchase of a further 3.6 million shares. Purchases would be made from time to time on the open market or in privately negotiated transactions. Shares purchased under the authorization would be used for employee benefit plans and other corporate purposes. State Street has increased its dividend every six months since December 1978, consistent with its steady growth in earnings per share. This quarter's dividend is 12% higher than in the same period a year ago. It is payable July 15, 1996 to stockholders of record as of July 1, 1996. With $2.4 trillion in assets under custody and $252 billion under management, State Street is a leading servicer of financial assets worldwide. Services are provided from offices in the United States, Canada, Grand Cayman, Netherland Antilles, United Kingdom, France, Belgium, Luxembourg, Denmark, Germany, United Arab Emirates, Hong Kong, Taiwan, Japan, Australia and New Zealand. State Street is traded on the New York Stock Exchange under the symbol STT.