Forward-Looking Statements This presentation contains forward-looking statements that involve substantial risks and uncertainties. All statements, other than statements of historical facts, contained in this presentation are forward-looking statements. The words “anticipate,” “believe,” “estimate,” “expect,” “intend,” “may,” “plan,” “predict,” “project,” “target,” “potential,” “will,” “would,” “could,” “should,” “continue,” “contemplate,” or the negative of these terms or other similar expressions are intended to identify forward-looking statements, although not all forward-looking statements contain these identifying words. These forward-looking statements include, among others, statements about: the potential therapeutic advantages and benefits of tivozanib; the timing and results of our ongoing clinical trials; and the potential of tivozanib to obtain regulatory approval and enter the advanced renal cell cancer market. Actual results or events could differ materially from the plans, intentions and expectations disclosed in the forward-looking statements we make due to a number of important factors, including risks and uncertainties relating to: our ability to successfully develop, test and gain regulatory approval of our product candidates, including regulatory approval of tivozanib to treat advanced renal cell cancer; our ability to obtain, maintain and enforce intellectual property rights; competition; our dependence on our alliance partners and other third parties; our ability to obtain necessary financing; adverse economic conditions; and those risk factors discussed in the “Risk Factors” and elsewhere in our Current Report on Form 8-K that was filed with the Securities and Exchange Commission (“SEC”) on January 16, 2013, and other periodic filings we make with the SEC. All forward-looking statements contained in this presentation speak only as of the date of this presentation, and we undertake no obligation to update any of these statements, except as required by law. 2 |