Bone Care International: to Announce First Quarter 2005 Financial Results on October 26, 2004

Contacts:

Rx Communications Group, LLC
Melody A. Carey (Investors)
(917) 322-2571

Bone Care International, Inc.
Brian J. Hayden
Vice President, Finance
(608) 662-7800

CONFERENCE CALL ON OCTOBER 27, 2004 AT 9:00 AM CDT

FOR IMMEDIATE RELEASE

Middleton, Wisconsin – October 13, 2004 – Bone Care International, Inc. (Nasdaq: BCII) today announced that the Company will report first quarter 2005 financial results on Tuesday, October 26, 2004, after the close of the market. Management will host a conference call on Wednesday, October 27, 2004, at 9:00 a.m. CDT. The toll-free number within North America is (800) 938-0653; the dial-in number for international participants is (973) 321-1100. The call is available for playback until midnight on October 30, 2004 at (877) 519-4471 within North America and at (973) 341-3080 for international callers. The replay pass code is 5274574. The call can also be accessed via webcast and will be archived for playback at www.bonecare.com/conferencecall.

About Bone Care International

Bone Care International (www.bonecare.com) is an emerging pharmaceutical company engaged in the discovery, development and commercialization of innovative therapeutic products to treat the unmet medical needs of patients with debilitating conditions and life-threatening diseases. Our current commercial and therapeutic focus is in nephrology, utilizing Hectorol®, our novel vitamin D hormone therapy, to treat secondary hyperparathyroidism in patients with moderate to severe chronic kidney disease and end-stage renal disease. In addition to chronic kidney disease, the Company is developing vitamin D hormone therapies to treat hyperproliferative disorders such as cancer and psoriasis.