Vanda Pharmaceuticals Inc

This annual report on Form 10-K (Annual Report) contains “forward-looking statements” within the meaning of Section 27A of the Securities Act of 1933, as amended (Securities Act) and Section 21E of the Securities Exchange Act of 1934, as amended (Exchange Act). Words such as, but not limited to, “believe,” “expect,” “anticipate,” “estimate,” “intend,” “plan,” “project,” “target,” “goal,” “likely,” “will,” “would,” and “could,” or the negative of these terms and similar expressions or words, identify forward-looking statements. Forward-looking statements are based upon current expectations and assumptions that involve risks, changes in circumstances and uncertainties. If the risks, changes in circumstances or uncertainties materialize or the assumptions prove incorrect, the results of Vanda Pharmaceuticals Inc. (we, our, the Company or Vanda) may differ materially from those expressed or implied by such forward-looking statements. All statements other than statements of historical fact are statements that could be deemed forward-looking statements. The forward-looking statements in this Annual Report may include, but are not limited to, statements about:

•our ability to continue to commercialize HETLIOZ® (tasimelteon) capsules for the treatment of Non-24-Hour Sleep-Wake Disorder (Non-24) in the United States (U.S.), in light of existing and potential generic competition, and Europe and HETLIOZ®capsules and oral suspension (HETLIOZ LQ®) for the treatment of nighttime sleep disturbances in Smith-Magenis Syndrome (SMS) in the U.S.;

•our ability to increase market awareness of Non-24 and SMS and market acceptance of HETLIOZ®;

•our ability to overcome the continued reimbursement and patient access challenges we face as a result of third-party payor coverage;

•our ability to continue to generate U.S. sales of Fanapt® (iloperidone) oral tablets for the treatment of schizophrenia;

•our ability to obtain approval from the U.S. Food and Drug Administration (FDA) for Fanapt® beyond the currently approved indications;

•our ability to commercialize PONVORY® (ponesimod) tablets for the treatment of adults with relapsing forms of multiple sclerosis, to include clinically isolated syndrome, relapsing-remitting disease and active secondary progressive disease in the U.S. and Canada and our ability to transition regulatory and manufacturing responsibility to us;

•our ability to obtain regulatory approval for tradipitant from the FDA;

•the impact of public health crises, epidemics, pandemics or similar events on our business and operations, including our revenue, our supply chain, our commercial activities, our ongoing and planned clinical trials and our regulatory activities;

•our dependence on third-party manufacturers to manufacture HETLIOZ®, HETLIOZ LQ®, and Fanapt® in sufficient quantities and quality;

•our ability to prepare, file, prosecute, defend and enforce any patent claims and other intellectual property rights;

•our ability to maintain rights to develop and commercialize our products under our license agreements;

•our ability to obtain and maintain regulatory approval of our products, and the labeling for any approved products;

•our level of success in commercializing HETLIOZ® and Fanapt® in new markets;

•our ability to obtain approval from the FDA for HETLIOZ® beyond the currently approved indications;

•our ability to obtain approval from the FDA for PONVORY® beyond the currently approved indications;

•our expectations regarding the timing and success of preclinical studies and clinical trials;

•the safety and efficacy of our products;

•regulatory developments in the U.S., Europe and other jurisdictions;

•limitations on our ability to utilize some or all of our prior net operating losses and orphan drug and research and development credits;

•the size and growth of the potential markets for our products and our ability to serve those markets;

•our expectations regarding trends with respect to our revenues, costs, expenses, liabilities and cash, cash equivalents and marketable securities;

•our ability to identify or obtain rights to new products;

•the cost and effects of litigation;

•our ability to obtain the capital necessary to fund our research and development or commercial activities;

•potential losses incurred from product liability claims made against us; and

•the use of our existing cash, cash equivalents and marketable securities.

All forward-looking statements in this report are expressly qualified in their entirety by the cautionary statements contained throughout this report. We caution you not to rely too heavily on such forward-looking statements. Each forward-looking statement speaks only as of the date of this Annual Report, and we undertake no obligation, and specifically decline any obligation, to update or revise publicly any forward-looking statements, whether as a result of new information, future events or otherwise, except as required by law.

We encourage you to read Part II, Item 7, Management’s Discussion and Analysis of Financial Condition and Results of Operations, and our consolidated financial statements contained in this Annual Report. We also encourage you to read Summary of Principal Risk Factors below and Part I, Item 1A of this Annual Report, entitled Risk Factors, which contains a more complete discussion of the risks and uncertainties associated with our business. In addition to the risks described in this Annual Report, other unknown or unpredictable factors also could affect our results. Therefore, the information in this report should be read together with other reports and documents that we file with the Securities and Exchange Commission from time to time, including on Form 10-Q and Form 8-K, which may supplement, modify, supersede or update those risk factors. As a result of these factors, we cannot assure you that the forward-looking statements in this report will prove to be accurate. Furthermore, if our forward-looking statements prove to be inaccurate, the inaccuracy may be material. In light of the significant uncertainties in these forward-looking statements, you should not regard these statements as a representation or warranty by us or any other person that we will achieve our objectives and plans in any specified time frame, or at all.