EXHIBIT 10.16 AMENDMENT TO THE VENCOR, INC. 1997 STOCK OPTION PLAN FOR NON-EMPLOYEE DIRECTORS April 30, 1998 Article 6 of the Plan is amended by adding the following at the end thereof: The consummation of the transactions contemplated by the spin- off of Vencor Healthcare, Inc. and the distribution of shares of Vencor Healthcare, Inc. to the shareholders of the Company shall not result in a Participant's cessation of services as a Non- Employee Director under the Plan until such Participant ceases to be a director of Vencor Healthcare, Inc . VENCOR, INC. BY:/s/ W. Bruce Lunsford --------------------- W. Bruce Lunsford Chairman of the Board, President and CEO