Feraheme ® (ferumoxytol) Injection for Intravenous (IV) is indicated for the treatment of iron deficiency anemia in adult patients with chronic kidney disease. Feraheme is contraindicated in patients with known hypersensitivity to Feraheme or any of its components.Serious hypersensitivity reactions, including anaphylactic-type reactions, some of which have been life-threatening and fatal, have been reported in patients receiving Feraheme. Serious adverse reactions of clinically significant hypotension have been reported. In the post-marketing setting, life-threatening anaphylactic type reactions, cardiac/cardiorespiratory arrest, clinically significant hypotension, syncope, unresponsiveness and other safety events have been reported in patients being treated with Feraheme. In clinical trials, the most commonly occurring adverse reactions for Feraheme-treated patients were nausea, dizziness, hypotension, peripheral edema, headache, edema and vomiting. A full list of adverse events can be found in the full prescribing information for Feraheme. For full prescribing information, please visit www.feraheme.com. Forward-looking Statement This press release contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 and other federal securities laws. Any statements contained herein which do not describe historical facts, including but not limited to, our presentation at the 31 st Annual J.P. Morgan Healthcare Conference; the market for Feraheme and our future profitability; our estimates of fourth quarter 2012 total revenues, Feraheme net product revenues, operating expenses and cost of goods sold; our efforts and expectations regarding our supplemental new drug application for Feraheme; revenue growth and plans for strategic investments, including the addition of commercial products to our portfolio; our expectations regarding Feraheme provider demand trends and the effective price per gram for Feraheme; our expected 2013 Feraheme product revenue; our expected 2013 operating expenses and cost of goods sold; our expected 2013 year-end cash and investments balance; potential Feraheme milestone or royalty payments; and our plans to expand the reach of Feraheme to new indications and geographic territories are forward-looking statements which involve risks and uncertainties that could cause actual results to differ materially from those discussed in such forward-looking statements. Such risks and uncertainties include: (1) uncertainties regarding our and Takeda's ability to successfully compete in the intravenous iron replacement market both in the US and outside the US, including the EU, (2) uncertainties regarding our ability to successfully and timely complete our clinical development programs and obtain regulatory approval for Feraheme/Rienso in the broader IDA indication both in the US and outside of the US, including the EU, (3) the possibility that significant safety or drug interaction problems could arise with respect to Feraheme/Rienso, (4) uncertainties regarding the manufacture of Feraheme/Rienso, (5) uncertainties relating to our patents and proprietary rights, both in the US and outside of the US, (6) the risk of an Abbreviated New Drug Application (ANDA) filing following the FDA’s recently published draft bioequivalence recommendation for ferumoxytol, and (7) other risks identified in our Securities and Exchange Commission filings, including our Quarterly Report on Form 10-Q for the quarter ended September 30, 2012 and subsequent filings with the SEC. We caution you not to place undue reliance on any forward-looking statements, which speak only as of the date they are made.