EXHIBIT 99.3 INSTRUCTION TO REGISTERED HOLDER AND/OR BOOK-ENTRY TRANSFER PARTICIPANT FROM OWNER OF VENCOR, INC. 8 5/8% SENIOR SUBORDINATED NOTES DUE 2007 To Registered Holder and/or Participant of the Book-Entry Transfer Facility: The undersigned hereby acknowledges receipt of the Prospectus dated , 1997 (the "Prospectus") of Vencor, Inc., a Delaware corporation (the "Company"), and the accompanying Letter of Transmittal (the "Letter of Transmittal"), that together constitute the Company's offer (the "Exchange Offer"). Capitalized terms used but not defined herein have the meanings ascribed to them in the Prospectus. This will instruct you, the registered holder and/or book-entry transfer facility participant, as to the action to be taken by you relating to the Exchange Offer with respect to the Old Notes held by you for the account of the undersigned. The aggregate face amount of the Old Notes held by you for the account of the undersigned is (fill in amount): $ of the 8 5/8% Senior Subordinated Notes due 2007. With respect to the Exchange Offer, the undersigned hereby instructs you (check appropriate box): [_]To TENDER the following Old Notes held by you for the account of the undersigned (insert principal amount of Old Notes to be tendered, (if any)): $ of the 8 5/8% Senior Subordinated Notes due 2007. [_]NOT to TENDER any Old Notes held by you for the account of the undersigned. If the undersigned instructs you to tender the Old Notes held by you for the account of the undersigned, it is understood that you are authorized to make, on behalf of the undersigned (and the undersigned, by its signature below, hereby makes to you), the representation and warranties contained in the Letter of Transmittal that are to be made with respect to the undersigned as a beneficial owner, including but not limited to the representations, that (i) the holder is not an "affiliate" of the Company within the meaning of Rule 405 under the Securities Act of 1933, as amended (the "Securities Act"), (ii) any New Notes to be received by the holder are being acquired in the ordinary course of its business, (iii) the holder has no arrangement or understanding with any person to participate in a distribution (within the meaning of the Securities Act) of New Notes to be received in the Exchange Offer, and (iv) if the holder is not a broker-dealer, the holder is not engaged in, and does not intend to engage in, a distribution (within the meaning of the Securities Act) of such New Notes. If the undersigned is a broker-dealer (whether or not it is also an "affiliate") that will receive New Notes for its own account in exchange for Old Notes, it represents that such Old Notes were acquired as a result of market-making or other trading activities, and it acknowledges that it will deliver a prospectus meeting the requirements of the Securities Act in connection with any resale of such New Notes. By acknowledging that it will deliver and by delivering a prospectus meeting the requirements of the Securities Act in connection with any resale of such New Notes, the undersigned is not deemed to admit that it is an "underwriter" within the meaning of the Securities Act. 1 SIGN HERE Name of beneficial owner(s): ___________________________________________________ Signature(s): __________________________________________________________________ Name(s) (please print): ________________________________________________________ Address: _______________________________________________________________________ - -------------------------------------------------------------------------------- Telephone Number: ______________________________________________________________ Taxpayer identification or Social Security Number: _____________________________ Date: __________________________________________________________________________ 2