Amneal Announces Favorable Ruling Regarding Patent Validity for Zomig® (zolmitriptan) Nasal Spray

BRIDGEWATER, N.J., June 29, 2018 /PRNewswire/ -- Amneal Pharmaceuticals, Inc. (NYSE: AMRX) announced today that a panel of three Circuit Judges of the U.S. Court of Appeals for the Federal Circuit has affirmed the March 30, 2017 ruling of Judge Richard G. Andrews of the U.S. District Court, District of Delaware, that Lannett Holdings, Inc. and Lannett Company, Inc. (the "Defendants") failed to prove that the U.S. patents 6,750,237 and 7,220,767 protecting Zomig® (zolmitriptan) Nasal Spray were invalid.

As previously announced, Amneal's subsidiary, Impax Laboratories, Inc., and, AstraZeneca UK, and AstraZeneca AB, brought suit and had prevailed in the Delaware District Court case against Defendants for patent infringement based on the filing of the Defendants' Abbreviated New Drug Application relating to Zolmitriptan Nasal Spray, 5mg, generic to Zomig Nasal Spray.

"We are pleased with the Federal Circuit's affirmance of the District Court Decision," said Rob Stewart, President and CEO of Amneal. "We look forward to continuing to supply this product to patients and will continue to actively protect our intellectual property."

The Defendants have 30 days to submit their Petition for Panel Rehearing and/or for Rehearing En Banc.

About ZOMIG Nasal Spray

ZOMIG Nasal Spray was first approved by the U.S. Food and Drug Administration (FDA) in September 2003 for the acute treatment of migraine attacks with or without aura in adults and pediatric patients 12 years of age and older

Limitations of Use:
Only use ZOMIG only if a clear diagnosis of migraine has been established. If a patient has no response to ZOMIG treatment for the first migraine attack, reconsider the diagnosis of migraine before ZOMIG is administered to treat any subsequent attacks. ZOMIG is not indicated for the prevention of migraine attacks. Safety and effectiveness of ZOMIG have not been established for cluster headache. ZOMIG Nasal Spray is not recommended in patients with moderate to severe hepatic impairment.

For full Prescribing Information see https://www.azpicentral.com/zomig-nasal-spray/zomignasalspray.pdf.

About Amneal
Amneal Pharmaceuticals, Inc. (NYSE: AMRX), headquartered in Bridgewater, NJ, is an integrated specialty pharmaceutical company focused on developing, manufacturing and distributing generic, brand and biosimilar products. The Company has approximately 6,500 employees in its operations in North America, Asia, and Europe, working together to bring high-quality medicines to patients primarily within the United States.

Amneal is one of the largest and fastest growing generic pharmaceutical manufacturers in the United States, with an expanding portfolio of generic products to include complex dosage forms in a broad range of therapeutic areas. The Company markets a portfolio of branded pharmaceutical products through its Impax Specialty Pharma division focused principally on central nervous system disorders and parasitic infections. For more information, visit www.amneal.com.

Safe Harbor Statement
Certain statements contained herein, regarding matters that are not historical facts, may be forward-looking statements (as defined in Section 27A of the United States Securities Act of 1933, as amended, and Section 21E of the United States Securities Exchange Act of 1934, as amended). We intend such forward-looking statements to be covered by the safe harbor provisions for forward-looking statements contained in the Private Securities Litigation Reform Act of 1995 and include this statement for purposes of complying with the safe harbor provisions. Such forward-looking statements include statements regarding management's intentions, plans, beliefs, expectations or forecasts for the future. The words such as "may,"  "will," "could," "should," "expect," "plan," "anticipate," "intend," "believe," "estimate," "continue," and similar words are intended to identify estimates and forward-looking statements.

Such forward-looking statements are based on the expectations of Amneal Pharmaceuticals, Inc. ("our" or the "Company") and involve risks and uncertainties; consequently, actual results may differ materially from those expressed or implied in the statements. Such risks and uncertainties include, but are not limited to (i) our ability to integrate the operations of Amneal Pharmaceuticals LLC ("Amneal") and Impax Laboratories, Inc. ("Impax") pursuant to the transactions (the "Combination") contemplated by that certain Business Combination Agreement dated as of October 17, 2017 by and among the Company, Amneal, Impax and K2 Merger Sub Corporation as amended by Amendment No. 1, dated November 21, 2017 and Amendment No. 2 dated December 16, 2017 and our ability to realize the anticipated synergies and other benefits of the Combination, (ii) the fact that certain of our stockholders holding over a majority of our shares may have interests different from those of our other stockholders, (iii) the transaction costs related to the Combination, (iv) results from the public unaudited financial information of Impax and Amneal may not be indicative of the Company's future operating performance, (v) business issues faced by either Amneal or Impax may be imputed to the operations of the Company, (vi) the impact of a separation of Impax or Amneal as a subsidiary of the Company, (vii) the change of control or early termination rights in certain of Impax's or Amneal's contracts that may be implicated by the Combination, (viii) payments required by the Company's Tax Receivables Agreement, (ix) the impact of global economic conditions, (x) our ability to successfully develop or commercialize new products, (xi) our ability to obtain exclusive marketing rights for our products or to introduce products on a timely basis, (xii) the competition we face in the pharmaceutical industry from brand and generic drug product companies, (xiii) our ability to manage our growth, (xiv) the impact of competition, (xv) the illegal distribution and sale by third parties of counterfeit versions of our products or of stolen products, (xvi) market perceptions of us and the safety and quality of our products, (xvii) the substantial portion of our total revenues derived from sales of a limited number of products, (xviii) our ability to develop, license or acquire and introduce new products on a timely basis, (xix) the ability of our approved products to achieve expected levels of market acceptance, (xx) the risk that we may discontinue the manufacture and distribution of certain existing products, (xxi) the impact of manufacturing or quality control problems, (xxii) product liability risks, (xxiii) risks related to changes in the regulatory environment, including United States federal and state laws related to healthcare fraud abuse and health information privacy and security and changes in such laws, (xxiv) changes to FDA product approval requirements, (xxv) risks related to federal regulation of arrangements between manufacturers of branded and generic products, (xxvi) the impact of healthcare reform, (xxvii) business interruptions at one of our few locations that produce the majority of our products, (xxviii) relationships with our major customers, (xxix) the continuing trend of consolidation of certain customer groups, (xxx) our reliance on certain licenses to proprietary technologies, (xxxi) our dependence on third party suppliers and distributors for raw materials for our products, (xxxii) the time necessary to develop generic and branded drug products, (xxxiii) our dependence on third parties for testing required for regulatory approval of our products, (xxxiv) our dependence on third party agreements for a portion of our product offerings, (xxxv) our ability to make acquisitions of or investments in complementary businesses and products, (xxxvi) regulatory oversight in international markets, (xxxvii) our increased exposure to tax liabilities and the impact of recent United State tax legislation, (xxxviii) third parties' infringement of our intellectual property rights, (xxxix) our involvement in various legal proceedings, (xl) increased government scrutiny related to our agreements to settle patent litigation, (xli) the impact of legal, regulatory and legislative strategies by our brand competitors, (xlii) the significant amount of resources we expend on research and development, (xliii) our substantial amount of indebtedness, (xliv) risks inherent in conducting clinical trials, (xlv) our reporting and payment obligations under the Medicaid and other government rebate programs, (xlvi) fluctuations in our operating results, (xlvii) adjustments to our reserves based on price adjustments and sales allowances, (xlviii) impact of impairment on our goodwill and other intangible assets, (xlix) investigations and litigation concerning the calculation of average wholesale prices, (l) cybersecurity and data leakage risks, (li) our ability to attract and retain talented employees and consultants, (lii) uncertainties involved in the preparation of our financial statements, (liii) impact of terrorist attacks and other acts of violence, (liv) expansion of social media platforms, (lv) our need to raise additional funds in the future, (lvi) the restrictions imposed by the terms of our credit agreement, (lvii) our ability to generate sufficient cash to service our indebtedness in the future and (lviii) such other factors as may be set forth in the Company's public filings with the Securities and Exchange Commission.

Forward-looking statements included herein speak only as of the date hereof and we undertake no obligation to revise or update such statements to reflect events or circumstances after the date hereof or to reflect the occurrence of unanticipated events or circumstances.

Contact:                                                                   
Mark Donohue
Investor Relations and Corporate Communications      
(215) 558-4526                                                              
www.amneal.com                                                      

SOURCE Amneal Pharmaceuticals, Inc.

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