Debiopharm and Vifor Pharma Sign an Exclusive Agreement for the Distribution and Commercialization of Pamorelin®LA in Switzerland – A Drug Treatment for Prostate Cancer and Endometriosis

LAUSANNE and VILLARS-SUR-GLÂNE, Switzerland, May 15, 2012 /PRNewswire/ –

Debiopharm Group(TM) (Debiopharm) and Vifor Pharma announce the signing of an
exclusive agreement covering the distribution and commercialization in Switzerland of the
1-, 3- and 6-month formulations of Pamorelin(R)LA and of the 3-month formulation of
Salvacyl(R). The agreement came into effect on 9 May 2012. Pamorelin(R) LA, which contains
the active substance triptorelin in the form of pamoate salt, is indicated in the
treatment of advanced hormone-dependent prostate cancer, endometriosis and female
infertility. Salvacyl(R) is indicated in the treatment of severe sexual deviation in men.
The 1- and 3-month formulations of Pamorelin(R)LA are available immediately, while the
introduction of the 6-month formulation of Pamorelin(R) LA and Salvacyl(R) will be
communicated by Vifor Pharma at a later date.

Developed by Debiopharm, the products Pamorelin(R)LA and Salvacyl(R) are manufactured
by Debio R.P. in Martigny, Debiopharm’s site for applied research, controlled release
formulation development and production.

“We are very happy that Vifor Pharma and Debiopharm can offer a drug with the added
value of Pamorelin(R)LA to prostate cancer patients and that Pamorelin(R)LA will be
marketed in Switzerland by a well-established Swiss company such as Vifor Pharma,”
emphasised Rolland-Yves Mauvernay, founder and President of Debiopharm.

“With Debiopharm we have found a renowned Swiss partner. This move will enable us to
provide patients and doctors with an innovative product in the areas of oncology and
gynaecology,” added Josef Troxler, General Manager of the Swiss affiliate of Vifor Pharma.

About Pamorelin(R)LA (active ingredient : triptorelin)

Triptorelin is an agonist analogue of the natural gonadotropin-releasing hormone
(GnRH). In 1982, Debiopharm signed a licensing agreement for triptorelin with Tulane
University in the US. Debiopharm developed and registered three slow-release formulations
(1, 3 and 6 months) of triptorelin pamoate in Europe and the US. These product
formulations are currently available under the names of Trelstar(R) in the US and
Decapeptyl(R)/Pamorelin(R)in Europe. In Switzerland, the product received marketing
authorization for the treatment of advanced hormone-dependent prostate cancer and
endometriosis, as well as for downregulation in association with fertility treatment.

About Debiopharm Group

Debiopharm Group specializes in biopharmaceutical development. The group acquires
licences of promising biological products and molecules and develops them further with the
objective of achieving global registration. In addition, the group works in the field of
diagnostic companions and out-licences to pharmaceutical partners for sales and marketing.
The Group finances all its activities independently while providing expertise in
pre-clinical and clinical trials, manufacturing, drug delivery and formulation and
regulatory affairs. Established in 1979 and based in Lausanne (Switzerland), Debiopharm
Group has developed five products that are commercialized successfully by its partners
throughout the world.

Debio R.P., based in Martigny, is a pharmaceutical research, development and
production company. The production site of Debio R.P. has been certified by Swissmedic
(Switzerland) and ANVISA (Brazil), and inspected and registered by the FDA (USA) and the
KFDA (South Korea). Debio R.P. forms part of the Debiopharm Group and employs 130 people,
half of whom are university graduates or engineers.

For more information about the Debiopharm Group, please visit:

http://www.debiopharm.com.

About Vifor Pharma

Vifor Pharma, a company of the Galenica Group, is a world leader in the discovery,
development, manufacturing and marketing of pharmaceutical products for the treatment of
iron deficiency. The company also offers a diversified portfolio of prescription medicines
as well as over-the-counter (OTC) products. Vifor Pharma, headquartered in Zurich,
Switzerland, has an increasingly global presence and a broad network of affiliates and
partners around the world. The Swiss affiliate is located in Villars-sur-Glane (Canton
Fribourg).

For more information about Vifor Pharma and its parent company Galenica, please visit
http://www.viforpharma.com and http://www.galenica.com.

        Debiopharm S.A. Contact
        Maurice Wagner
        Director Corporate Affairs & Communication
        Tel.: +41(0)21-321-01-11
        Fax: +41(0)21-321-01-69
        mwagner@debiopharm.com

        Vifor Pharma Media Contact
        Beatrix Benz
        Head of Global Communications
        Vifor Pharma Ltd.
        Tel.: +41-58-851-80-00
        Fax: +41-58-851-80-03
        beatrix.benz@viforpharma.com

        Debio R.P. Contact
        Cedric Sager
        CEO
        Tel.: +41(0)27-721-79-00
        Fax: +41(0)27-721-79-01
        csager@debiopharm.ch

        Additional Media Contacts
        In London
        Maitland
        Brian Hudspith
        Tel.: +44(0)20-7379-5151
        bhudspith@maitland.co.uk

        In New York
        Russo Partners, LLC
        Martina Schwarzkopf, Ph.D.
        Account Executive
        Tel.: +1-212-845-4292
        Fax: +1-212-845-4260
        martina.schwarzkopf@russopartnersllc.com

SOURCE The Debiopharm Group and Vifor Pharma