Allergan, Inc. and Medytox, Inc. Complete Licensing Agreement

IRVINE, Calif. & SEOUL, South Korea

Allergan, Inc., (NYSE: AGN) and Medytox, Inc. today announced that they have closed the license agreement which was previously announced on September 25, 2013. Under the terms of the agreement, Allergan will pay Medytox an upfront cash payment of U.S. $65 million within seven business days of closing and Medytox has granted Allergan exclusive rights, worldwide outside of Korea, to develop and, if approved, commercialize certain neurotoxin product candidates currently in development, including a potential liquid-injectable product. Pursuant to the agreement, Allergan has also agreed to make additional contingent payments, including up to an aggregate of U.S. $116.5 million upon achieving certain development milestones, up to an aggregate of U.S. $180.5 million upon achieving certain commercialization milestones, and royalties on product sales.

About Allergan

Allergan is a multi-specialty health care company established more than 60 years ago with a commitment to uncover the best of science and develop and deliver innovative and meaningful treatments to help people reach their life’s potential. Today, we have approximately 11,400 highly dedicated and talented employees, global marketing and sales capabilities with a presence in more than 100 countries, a rich and ever-evolving portfolio of pharmaceuticals, biologics, medical devices and over-the-counter consumer products, and state-of-the-art resources in R&D, manufacturing and safety surveillance that help millions of patients see more clearly, move more freely and express themselves more fully. From our beginnings as an eye care company to our focus today on several medical specialties, including eye care, neurosciences, medical aesthetics, medical dermatology, breast aesthetics, and urologics, Allergan is proud to celebrate more than 60 years of medical advances and proud to support the patients and customers who rely on our products and the employees and communities in which we live and work. For more information regarding Allergan, go to: www.allergan.com.

About Medytox

Medytox is a research-based bio pharmaceutical company which developed a botulinum toxin product for the first time in Korea (the fourth in the world), and engages in the development, manufacture, marketing and sales of neurotoxin products as its main business. Since its establishment in 2000, Medytox has developed and evolved into a global world-class R&D company with the successful launch of its main neurotoxin product. Today, Medytox’s neurotoxin product is sold in about 40 countries with millions of people having already received therapeutic or aesthetic treatments. We are committed to providing people safe and high-quality products through biotechnology for better health and quality of life. Medytox will continue extensive R&D investment on creative next generation technologies for future products to ensure we can continue to deliver on our commitments to patients and customers. For more information regarding Medytox, go to: www.medytox.com

Forward-Looking Statements

This press release contains “forward-looking statements”, including but not limited to statements regarding product candidates, as well as certain development, regulatory and commercial milestones. These statements are based on current expectations of future events. If underlying assumptions prove inaccurate or unknown risks or uncertainties materialize, actual results could vary materially from Allergan’s expectations and projections. Risks and uncertainties include, among other things, general industry and market conditions; challenges inherent in the research and development and regulatory processes; technological advances and patents attained by competitors; potential difficulties in manufacturing; challenges related to new product marketing, such as the unpredictability or market acceptance for new products or indications for such products; and governmental laws and regulations affecting domestic and foreign operations. Allergan expressly disclaims any intent or obligation to update these forward-looking statements except as required by law. Additional information concerning these and other risks can be found in press releases issued by Allergan, as well as Allergan’s public filings with the U.S. Securities and Exchange Commission, including the discussion under the heading “Risk Factors” in Allergan’s most recent Annual Report on Form 10-K and any subsequent Quarterly Reports on Form 10-Q. Copies of Allergan’s press releases and additional information about Allergan are available at www.allergan.com or you can contact the Allergan Investor Relations Department by calling 1-714-246-4636.

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