News Release Details

Supernus Announces First Quarter 2013 Earnings Conference Call and Webcast

May 6, 2013 at 4:30 PM EDT

ROCKVILLE, Md., May 6, 2013 (GLOBE NEWSWIRE) -- Supernus Pharmaceuticals, Inc. (Nasdaq:SUPN), today announced that the Company expects to report financial results for the quarter ended March 31, 2013 after the market closes on Monday May 13, 2013. Supernus will host a conference call at 5:00 p.m. Eastern Time (2:00 p.m. Pacific Time) to review the financial results, as well as provide an update on other business matters of the Company.

A live webcast will be available at www.supernus.com.  The webcast will be archived on the Company's website for 30 business days following the live call.

Callers should dial in approximately 10 minutes prior to the start of the call. The phone number to join the conference call is +1(877) 288-1043 (U.S. and Canada) or +1 (970) 315-0267 (international and local). The access code for the live call is 59547232.

About Supernus Pharmaceuticals, Inc.

Supernus Pharmaceuticals, Inc. is a specialty pharmaceutical company focused on developing and commercializing products for the treatment of central nervous system, or CNS, diseases. The Company has one marketed product for epilepsy, Oxtellar XR™ (extended-release oxcarbazepine), and one tentatively approved product for epilepsy, Trokendi XR™ (extended-release topiramate). The Company is also developing several product candidates in psychiatry to address large market opportunities in ADHD, including ADHD patients with impulsive aggression. These product candidates include SPN-810 for impulsive aggression in ADHD and SPN-812 for ADHD.

CONTACT: Jack Khattar, President and CEO

         Gregory S. Patrick, Vice President and CFO

         Supernus Pharmaceuticals, Inc.

         Tel: (301) 838-2591
Source: Supernus Pharmaceuticals, Inc.

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