Investor FAQ

1.When was Keryx Biopharmaceuticals founded?
 Keryx Biopharmaceuticals was incorporated in Delaware in October 1998

2.Where is Keryx Biopharmaceuticals' stock traded?
 Keryx Biopharmaceuticals common stock is traded on the NASDAQ Capital Market under the ticker symbol "KERX"

3.When was Keryx Biopharmaceuticals’ initial public offering?
 July 28, 2000

4.What is your stock's CUSIP number?
 Cusip #492515101

5.Where are Keryx Biopharmaceuticals’ headquarters located?
 One Marine Park Drive, 12th Floor, Boston MA 02210

6.Can I buy Keryx Biopharmaceuticals's stock directly from the company?
 Keryx Biopharmaceuticals does not offer a direct stock purchase plan. Shares of the Company should be purchased through a broker.

7.Does Keryx Biopharmaceuticals pay a dividend?
 Keryx Biopharmaceuticals does not currently pay dividends.

8.Who is Keryx Biopharmaceuticals’ transfer agent?
 American Stock Transfer & Trust Co.
6201 15th Avenue
Brooklyn, NY 11219
Phone: (800) 937-5449

9.Who do I contact about replacement of stock certificates?
 To replace lost certificates, contact the transfer agent or visit their website: www.amstock.com for a free web tool for shareholders.

10.I'm a shareholder; whom should I notify of a change in address?
 To change address, contact the transfer agent or visit their website: www.amstock.com for a free web tool for shareholders.

11.What is Keryx Biopharmaceuticals’ fiscal year?
 Keryx Biopharmaceuticals fiscal year is based on the calendar year. First Quarter ends 3/31, Second Quarter ends 6/30, Third Quarter ends 9/30 and Fourth Quarter ends 12/31.

12.What is the focus of Keryx Biopharmaceuticals' business?
 Keryx Biopharmaceuticals is focused on the acquisition, development and commercialization of pharmaceutical products for the treatment of renal disease.