DCA - --- DIALYSIS CORPORATION OF AMERICA March 9, 1999 Joseph Dillon & Company, Inc. Continental Stock Transfer & Trust 107 Northern Boulevard Company Great Neck, New York 11021 2 Broadway New York, New York 10004 RE: Amendment No. 1 to Warrant Agreement Gentlemen: This letter agreement represents Amendment No. 1 to the Warrant Agreement between Joseph Dillon & Company, Inc. ("Dillon"), Conti- nental Stock Transfer & Trust Company (the "Warrant Agent"), and Dialysis Corporation of America (the "Company"), dated April 16, 1996, between and among the parties to extend the exercise period of the Warrants to October 16, 1999. This Amendment No. 1 amends Section 2 of the Warrant Agreement by extending the exercise period of the Warrant to October 16, 1999. Any and all other provisions of the Warrant Agreement indicating the expiration of the term being April 16, 1999 are hereby amended to read October 16, 1999. The Warrants and the Warrant Agreement as previously modified will otherwise remain the same and in full force and effect in accordance with their terms. Very truly yours, DIALYSIS CORPORATION OF AMERICA /s/ Thomas K. Langbein By----------------------------- Thomas K. Langbein, Chief Executive Officer Acknowledged and agreed to Joseph Dillon & Company, Inc. Continental Stock Transfer & Trust Company /s/ Steven Jaloza /s/ William Seegraber By--------------------------- By:---------------------------- STEVEN JALOZA, President WILLIAM SEEGRABER, Vice President Dated: March 9, 1999 Dated: March 9, 1999 27 Miller Street, Suites 2 & 3, Lemoyne, PA 17043 717-730-6164 717-730-9133 (Fax)