RYTARYTM (IPX066) (Carbidopa and Levodopa) Extended-Release Capsules Phase III and Open-Label Extens

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RYTARYTM(IPX066) (Carbidopa and Levodopa) Extended-Release Capsules Phase III and Open-Label Extension Data to be Presented at the American Academy of Neurology Conference

HAYWARD, Calif.--(BUSINESS WIRE)-- Impax Pharmaceuticals, a division of Impax Laboratories, Inc. (NAS: IPXL) , today announced that data from the RYTARYTM Phase III and open-label extension trials will be presented at the 65th Annual Meeting of the American Academy of Neurology in San Diego, California, held from March 16 to March 23. IPX066 is an investigational extended-release capsule formulation of carbidopa-levodopa for the treatment of idiopathic Parkinson's disease.

The presentation of IPX066 posters is as follows:

Date: March 18, 2013 (all posters)
Time: 2:00-6:30, with authors in attendance from 5:30-6:30 PM PT (all posters)
Location: San Diego Convention Center

Presentation Title and Number:
Long-Term Safety of IPX066 Extended-Release Carbidopa-Levodopa Capsules
in Patients with Motor Fluctuations in Advanced Parkinson's Disease
Abstract / Poster Number: 3706/ P01.065

Presentation Title and Number:
Long-Term Safety of IPX066 Extended-Release Carbidopa-Levodopa Capsules
in Patients with Early Parkinson's Disease
Abstract / Poster Number: 3662/ P01.064

Presentation Title and Number:
Analysis of IPX066 Dosing Data in Advanced Parkinson's Disease (PD) Patients
Abstract / Poster Number: 49/ P01.063


About RYTARYTM(IPX066)

RYTARY is an investigational extended-release capsule formulation of carbidopa-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 RYTARY, APEX-PD (early PD), ADVANCE-PD (advanced PD) and ASCEND-PD (advanced PD) have previously been announced.

On January 21, 2013, Impax received a complete response letter which indicated that the FDA could not approve the NDA at that time. The complete response letter stated that satisfactory resolution and verification of the deficiencies identified during the inspection of the manufacturing facility in Hayward California would be required before the NDA for IPX066 may be approved. On March 4, 2013, the Company announced the receipt of a Form 483 following an inspection by the FDA of the Hayward facility. The Form 483 contained several observations specific to IPX066 which the Company believes must be satisfactorily resolved before the NDA for IPX066 may be approved.

RYTARY has been licensed to GlaxoSmithKline (GSK) for countries outside the U.S. and Taiwan for registration and commercialization.

About the Impax GSK Collaboration

Impax Pharmaceuticals and GSK announced an agreement for the development and commercialization of IPX066 in December 2010. Under the terms of the agreement, GSK received an exclusive license to register and commercialize IPX066 throughout the world except in the U.S. and Taiwan.

About Impax Pharmaceuticals

Impax Pharmaceuticals is the branded products division of Impax Laboratories, Inc. Impax Pharmaceuticals is focused on targeting significant unmet needs, with a primary focus on developing treatments for neurological disorders. For more information, please visit its Web site at www.impaxpharma.com.

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. Impax Laboratories is headquartered in Hayward, California, and has a full range of capabilities in its Hayward, Philadelphia and Taiwan facilities. 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, the effect of current economic conditions on the Company's industry, business, financial position and results of operations, 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 Company's ability to sustain profitability and positive cash flows, any delays or unanticipated expenses in connection with the operation of the Company's Taiwan facility, the effect of foreign economic, political, legal and other risks on the Company's operations abroad, the uncertainty of patent litigation, the increased government scrutiny on the Company's agreements with brand pharmaceutical companies, 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 difficulty of predicting FDA filings and approvals, 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, 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 use of controlled substances in the Company's products, 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 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, 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 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.



Impax Laboratories
Mark Donohue, 215-558-4526
Sr. Director, Investor Relations and Corporate Communications

KEYWORDS:   United States  North America  California

INDUSTRY KEYWORDS:

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