(IPXL) Resubmits NDA for RYTARY™ Extended-Release Capsules

HAYWARD, Calif., April 11, 2014  — Impax Pharmaceuticals, a division of Impax Laboratories, Inc. (NASDAQ: IPXL), announced today the resubmission of Impax’s New Drug Application (NDA) for RYTARY (IPX066) to the U.S. Food and Drug Administration (FDA). IPX066 is a patented extended- release capsule formulation of carbidopa and levodopa, an investigational drug for the symptomatic treatment of Parkinson’s disease (PD).

After discussions with the FDA, the Company has resubmitted the NDA for RYTARY providing updated safety and stability information. The FDA will require an inspection of manufacturing facilities involved in the production of RYTARY in connection with the resubmission. The FDA has designated the NDA filing for RYTARY as a Class 2 resubmission for review purposes and has 14 calendar days to officially accept the NDA resubmission.

“We are excited to resubmit the updated NDA for RYTARY and remain enthusiastic about the potential commercial opportunity for the product,” said Michael Nestor, president of Impax Pharmaceuticals.

About RYTARY (IPX066)
RYTARY is an investigational extended-release capsule formulation of carbidopa and levodopa for the treatment of idiopathic Parkinson’s disease. It is not approved or licensed anywhere in the world. Results from the phase III studies of IPX066, APEX-PD (early PD), ADVANCE-PD (advanced PD) and ASCEND-PD (advanced PD) have previously been announced.

About Parkinson’s Disease
Parkinson’s disease is a chronic neurodegenerative movement disorder affecting over three million people in the US, Europe, and Japan.

About Impax Laboratories, Inc.

Impax Laboratories, Inc. (Impax) is a technology based specialty pharmaceutical company applying its formulation expertise and drug delivery technology to the development of controlled-release and specialty generics in addition to the development of central nervous system disorder branded products. Impax markets its generic products through its Global Pharmaceuticals division and markets its branded products through the Impax Pharmaceuticals division. Additionally, where strategically appropriate, Impax develops marketing partnerships to fully leverage its technology platform and pursues partnership opportunities that offer alternative dosage form technologies, such as injectables, nasal sprays, inhalers, patches, creams and ointments. For more information, please visit the Company’s Web site at: www.impaxlabs.com.

“Safe Harbor” statement under the Private Securities Litigation Reform Act of 1995:

To the extent any statements made in this news release contain information that is not historical; these statements are forward-looking in nature and express the beliefs and expectations of management. Such statements are based on current expectations and involve a number of known and unknown risks and uncertainties that could cause the Company’s future results, performance, or achievements to differ significantly from the results, performance, or achievements expressed or implied by such forward-looking statements. Such risks and uncertainties include, but are not limited to: fluctuations in revenues and operating income; the Company’s ability to promptly correct the issues raised in the warning letter and Form 483 observations received from the FDA; the Company’s ability to successfully develop and commercialize pharmaceutical products in a timely manner; reductions or loss of business with any significant customer; the impact of consolidation of the Company’s customer base; the impact of competition; the substantial portion of our total revenues derived from sales of a limited number of products; the Company’s ability to sustain profitability and positive cash flows; any delays or unanticipated expenses in connection with the operation of the Company’s manufacturing facilities; the effect of foreign economic, political, legal, and other risks on the Company’s operations abroad; the uncertainty of patent litigation and other legal proceedings; the increased government scrutiny on the Company’s agreements with brand pharmaceutical companies; product development risks and the difficulty of predicting FDA filings and approvals; consumer acceptance and demand for new pharmaceutical products; the impact of market perceptions of the Company and the safety and quality of the Company’s products; the Company’s determinations to discontinue the manufacture and distribution of certain products; the Company’s ability to achieve returns on its investments in research and development activities; the Company’s inexperience in conducting clinical trials and submitting new drug applications; the Company’s ability to successfully conduct clinical trials; the Company’s reliance on third parties to conduct clinical trials and testing; the Company’s lack of a license partner for commercialization of IPX066 outside of the United States; impact of illegal distribution and sale by third parties of counterfeits or stolen products; the availability of raw materials and impact of interruptions in the Company’s supply chain; the Company’s policies regarding returns, allowances and chargebacks; the use of controlled substances in the Company’s products; the effect of current economic conditions on our industry, business, results of operations and financial condition; disruptions or failures in the Company’s information technology systems and network infrastructure; the Company’s reliance on alliance and collaboration agreements; the Company’s reliance on licenses to proprietary technologies; the Company’s dependence on certain employees; the Company’s ability to comply with legal and regulatory requirements governing the healthcare industry; the regulatory environment; the Company’s ability to protect its intellectual property; exposure to product liability claims; risks relating to goodwill and intangibles; changes in tax regulations; the Company’s ability to manage growth, including through potential acquisitions; the restrictions imposed by the Company’s credit facility; uncertainties involved in the preparation of the Company’s financial statements; the Company’s ability to maintain an effective system of internal control over financial reporting; the effect of terrorist attacks on the Company’s business; the location of the Company’s manufacturing and research and development facilities near earthquake fault lines; expansion of social media platforms and other risks described in the Company’s periodic reports filed with the Securities and Exchange Commission. Forward-looking statements speak only as to the date on which they are made, and the Company undertakes no obligation to update publicly or revise any forward-looking statement, regardless of whether new information becomes available, future developments occur or otherwise.

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