EXHIBIT 99.2

               CERTIFICATE PURSUANT TO SECTION 1350 OF CHAPTER 63
                      OF TITLE 18 OF THE UNITED STATES CODE

      I, Robert A. Beckman, the Vice President-Finance of Bone Care
International, Inc. (the "Company"), certify that (i) the Annual Report on Form
10-K of the Company for the fiscal year ended June 30, 2002 (the "Form 10-K")
fully complies with the requirements of Section 13(a) or 15(d) of the Securities
Exchange Act of 1934 and (ii) the information contained in the Form 10-K fairly
presents, in all material respects, the financial condition and results of
operations of the Company.



                                                     /s/  ROBERT A. BECKMAN
                                                     ---------------------------
                                                     Robert A. Beckman
                                                     September 26, 2002