Press Release

Pernix Therapeutics Inc. to Present at Morgan Stanley Global Healthcare Conference

MORRISTOWN, NJ – September 9, 2015 – Pernix Therapeutics Holdings, Inc. (NASDAQ: PTX), a specialty pharmaceutical company, announced today that Doug Drysdale, Chairman, President and Chief Executive Officer, and Sanjay Patel, Chief Financial Officer, are scheduled to present at the Morgan Stanley Global Healthcare Conference as follows:

Date: Thursday, September 17, 2015

Time: 10:00 a.m. EDT

Location: Grand Hyatt New York

The presentation will be webcast and available on the Investors section of the Company’s website at http://www.pernixtx.com/investors/webcasts-presentations/. A replay of the webcast will be available for 30 days after the date of the presentation.

About Pernix Therapeutics
Pernix Therapeutics is a specialty pharmaceutical business with a focus on acquiring, developing and commercializing prescription drugs primarily for the U.S. market. The Company targets underserved therapeutic areas such as CNS, including neurology and pain management, and has an interest in expanding into additional specialty segments. The Company promotes its branded products to physicians through its two Pernix sales forces and markets its generic portfolio through its wholly owned subsidiaries, Macoven Pharmaceuticals, LLC and Cypress Pharmaceutical, Inc.

To learn more about Pernix Therapeutics, visit www.pernixtx.com.

Pernix Therapeutics Holdings, Inc.

Contacts:
Investor Relations
Sanjay Patel, (800) 793-2145 ext. 1009
Chief Financial Officer
spatel@pernixtx.com
or
Lisa Wilson, (212) 452-2793
In-Site Communications
lwilson@insitecony.com

Media Relations
Marianne Lambertson, (800) 793-2145 ext. 1012
Vice President, Strategic Development
mlambertson@pernixtx.com