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Avivagen Announces U.S. Product Launch of Vivamune for Cats

OTTAWA, ONTARIO, August 20, 2013 - Avivagen Inc. (VIV.V), a wellness company developing and delivering products that support and enhance the health and quality of life for animals and the people who care for them, announces its United States launch of Vivamune(TM) Health Chews for cats.

Avivagen is pleased to announce the launch of its latest product - Vivamune(TM) Health Chews for cats. Now U.S. pet parents have direct access to this exciting new feline health supplement. The proprietary ingredients in Vivamune(TM) Health Chews have been shown to act on the immune system and may thereby support healthy skin, coat and gut and help to maintain normal mobility. This science-based and highly-palatable natural chew is intended to help cats lead long and healthy lives.

U.S. pet parents can order Vivamune(TM) Health Chews for their cats online at www.vivamunehealth.com.

Dave Hankinson, Executive Director of Avivagen, commented on this important milestone, "For some time our customers have asked us when Avivagen was going to introduce a product for cats comparable to our Vivamune(TM) product for dogs. After putting in the necessary time and effort to develop a formulation suitable for cats, it is exciting to introduce our product for this important companion animal species, further broadening access to Avivagen's health discoveries."

Cameron Groome, CEO and President of Avivagen, remarked, "The launch of Vivamune(TM) Health Chews for cats is an important milestone for Avivagen: It is gratifying to bring forward a further product that meets our customers' needs and at the same time provides a further source of revenues for Avivagen. In the coming quarters we will continue to drive sales of our three commercial products, Vivamune(TM) Health Chews, Oximunol(TM) Chewable Tablets and OxC-beta for livestock."

About Avivagen Inc.

Avivagen Inc. is a publicly-listed life sciences company trading on the TSX Venture Exchange under the ticker symbol "VIV". The Company's goal is to develop and deliver scientifically-proven solutions that can truly benefit companion and production animals by employing natural mechanisms for maintaining good health. Avivagen's targeted markets include Pet Wellness and Livestock Productivity.

The company has sites located in partnership facilities of the National Research Council of Canada (NRC) - in Ottawa, Ontario and Charlottetown, Prince Edward Island.

More information can be found at www.avivagen.com.

About OxC-beta

Avivagen's proprietary and patent-protected technology is based on its discoveries concerning carotenoid antioxidants. The novel natural compounds discovered by Avivagen support the body's own systems to maintain and enhance health, particularly by supporting immune function. Avivagen's commercial-stage application of its technology is Fully-Oxidized beta-Carotene (OxC-beta).