Iron deficiency anemia, which develops early in the course of CKD and worsens with disease progression, is extremely prevalent in the NDD-CKD population and is associated with fatigue, lethargy, decreased quality of life and is also believed to be associated with cardiovascular complications, hospitalizations, and increased mortality. Based on data contained in a 2009 publication in the Journal of the American Society of Nephrology, it is estimated that over 1.5 million adults with NDD-CKD in the U.S. alone are also afflicted with iron deficiency anemia. To combat this anemia, iron replacement therapy is essential to increase iron stores, such as ferritin and TSAT levels, and raise hemoglobin levels. Currently available oral iron supplements are associated with limited efficacy and dose-limiting tolerability issues. No oral iron agents are currently FDA approved to treat iron deficiency anemia in NDD-CKD. Erythropoiesis stimulating agents (ESAs) and intravenous (IV) iron are not frequently administered in NDD-CKD due to both the FDA warning label of potential cardiovascular risk for ESAs in NDD-CKD and logistical complications associated with administering IV medicines in office settings which lack the necessary facilities, such as emergency equipment and/or emergency medical access. Consequently, the NDD-CKD patient population remains underserved.ABOUT KERYX BIOPHARMACEUTICALS, INC. Keryx Biopharmaceuticals is focused on the acquisition, development and commercialization of medically important pharmaceutical products for the treatment of renal disease. Keryx is developing Zerenex (ferric citrate), an oral, ferric iron-based compound that has the capacity to bind to phosphate and form non-absorbable complexes. The Phase 3 clinical program of Zerenex for the treatment of hyperphosphatemia (elevated phosphate levels) in patients with end-stage renal disease is being conducted pursuant to a Special Protocol Assessment (SPA) agreement with the FDA. Zerenex is also in Phase 2 development for the management of phosphorus and iron deficiency in anemic patients with Stage 3 to 5 non-dialysis dependent chronic kidney disease. Keryx is headquartered in New York City. Cautionary Statement Some of the statements included in this press release, particularly those anticipating future clinical trials and business prospects for Zerenex (ferric citrate) may be forward-looking statements that involve a number of risks and uncertainties. For those statements, we claim the protection of the safe harbor for forward-looking statements contained in the Private Securities Litigation Reform Act of 1995. Among the factors that could cause our actual results to differ materially are the following: our ability, and our Japanese partner's ability, to successfully and cost-effectively complete clinical trials for Zerenex (ferric citrate); the risk that the data (both safety and efficacy) from the ongoing Phase 3 trials for Zerenex (ferric citrate) will not coincide with the data analyses from previous clinical trials reported by the Company; the risk that the data (both safety and efficacy) from the ongoing Phase 2 study in non-dialysis dependent chronic kidney disease will be negative or inconclusive; our ability to meet anticipated development timelines for Zerenex due to clinical trial results, manufacturing capabilities or other factors; and other risk factors identified from time to time in our reports filed with the Securities and Exchange Commission. Any forward-looking statements set forth in this press release speak only as of the date of this press release. We do not undertake to update any of these forward-looking statements to reflect events or circumstances that occur after the date hereof. This press release and prior releases are available at http://www.keryx.com. The information found on our website is not incorporated by reference into this press release and is included for reference purposes only. KERYX CONTACT: Lauren FischerDirector – Investor RelationsKeryx Biopharmaceuticals, Inc.Tel: 212.531.5965E-mail: firstname.lastname@example.org SOURCE Keryx Biopharmaceuticals, Inc.