Wien (pts032/14.03.2017/14:00) – AOP Orphan Pharmaceuticals AG announces start of EMA marketing authorization application procedure for Ropeginterferon alfa-2b in Polycythemia Vera

* EMA started the centralized marketing authorization procedure for Ropeginterferon alfa-2b for treatment of Polycythemia Vera (PV) on Feb 23rd 2017.

* Ropeginterferon alfa-2b is a novel mono-pegylated interferon with an improved every-two-week application schedule and orphan designation in Europe and the U.S.

* AOP’s development program in PV consistently demonstrated convincing efficacy, safety, tolerability, convenience and compliance.

* Data from AOP´s development program will be presented to U.S. FDA for approval for commercialization in the U.S. by PharmaEssentia.

* PharmaEssentia discovered Ropeginterferon alfa-2b and exclusively licensed the development and commercialization rights for myeloproliferative neoplasms in Europe, CIS and Middle Eastern markets to AOP Orphan.

Vienna, March 14th 2017: AOP Orphan Pharmaceuticals AG (AOP Orphan) announced the start of the EMA marketing authorization application procedure (centralized procedure) for the European licensure of Ropeginterferon alfa-2b in Polycythemia Vera (PV) on Feb 23rd 2017. Ropeginterferon alfa-2b, a novel, long-acting, mono-pegylated proline interferon, uniquely administered once every two weeks, is expected to be the first interferon approved for PV worldwide and the only approved first-line treatment for PV in the U.S. The drug has an orphan designation in both Europe and the U.S.

Key results from AOPs development program in PV have been announced earlier:

In the ongoing phase II trial PEGINVERA patients have been treated with Ropeginterferon alfa-2b for up to over 5 years, showing convincing efficacy and tolerability. Notably, all remaining patients are maintained on a convenient once-a-month dosing regimen. In the phase III trial PROUD-PV, Complete Hematologic Response (CHR) was achieved in a high proportion of patients and non-inferiority to hydroxyurea (HU) was demonstrated (43.1% for Ropeginterferon alfa-2b versus 45.6% for HU in the intent-to-treat-population, p=0.0028) at 12 months. Ropeginterferon alfa-2b showed significantly better tolerability than HU. The ongoing phase III extension study CONTINUATION-PV will add long-term data.

Importantly, interferons are the only known treatment modality with the potential for disease modification, which is believed to improve progression-free survival and long-term outcomes.

Professor Heinz Gisslinger from the Medical University of Vienna, the principal investigator in AOP´s development program said, „Interferons have been used successfully in myeloproliferative neoplasms for over 30 years, now Ropeginterferon alfa-2b is expected to be the first interferon to be licensed in these indications. Study data confirm the expected efficacy, while safety and tolerability appear superior in comparison to previously reported data on other interferons.“

„AOP Orphan has continuously invested over many years into development of treatments in the field of MPNs. The successful validation of the centralized marketing authorization procedure in Europe via EMA for Ropeginterferon alfa-2b as an orphan designated medicine is a further milestone in our long term commitment to providing drugs for patients with rare diseases,“ said Rudolf Widmann, Ph.D. founder and CEO of AOP Orphan.

Ko-Chung Lin, Ph.D., founder and CEO of PharmaEssentia, added, „PharmaEssentia has successfully developed the technology to drive long-acting interferon beyond the weekly dosing regimen. The advantages provided by Ropeginterferon alfa-2b, apparent by its promising Phase III data and prior studies, along with our state-of-the-art manufacturing facility in Taiwan, collectively bring us closer to offer efficacious and safe therapies for the treatment of myeloproliferative neoplasms such as PV, myelofibrosis, chronic myeloid leukemia, as well as hepatitis and other diseases.“

About Ropeginterferon alfa-2b Ropeginterferon alfa-2b is a novel, long-acting, mono-pegylated proline interferon with improved pharmacokinetic properties allowing once every two weeks administration offering improved tolerability and convenience. Ropeginterferon alfa-2b was discovered by PharmaEssentia. Ropeginterferon alfa-2b has Orphan Drug designation in the United States of America and the European Union. PharmaEssentia plans to commercialize ropeginterferon alfa-2b in North and South America, as well as Asia. PharmaEssentia has exclusively licensed the rights to ropeginterferon alfa-2b to AOP Orphan for European, Commonwealth of Independent States (CIS), and Middle Eastern markets for the development and commercialization in the field of Myeloproliferative Neoplasms (MPNs).

About Polycythemia Vera Polycythemia Vera (PV) is a cancer of the blood-building cells in the bone marrow resulting in a chronic increase of red blood cells, white blood cells and platelets. This condition may result in circulatory disorders such as thrombosis and embolism, as well as malignant transformation to myelofibrosis or leukemia.

About AOP Orphan Pharmaceuticals AG AOP Orphan is a multinational company with headquarters in Vienna, Austria focusing on clinical research, development and distribution of medicines for rare and complex diseases. The company also provides individualized and customized services to meet and accommodate the needs of physicians and patients across Central Europe, the Middle East & Asia. Currently AOP Orphan is concentrating on orphan and complex diseases in Hematology & Oncology, Cardiology & Pulmonology, and CNS & Gastroenterology.

About PharmaEssentia PharmaEssentia Corporation (Taipei Exchange: 6446) is a global biopharmaceutical company delivering efficacious, safe and cost-effective therapeutic products for the treatment of human diseases while aiming to bring long lasting value to stakeholders. PharmaEssentia was founded in 2003 by a group of Taiwanese-American executives and high-ranking scientists from leading U.S. biotechnology and pharmaceutical companies in order to develop treatments for myeloproliferative neoplasms, hepatitis and other diseases. The company is committed to the improvement of health and quality of life for patients suffering from these diseases. The Company’s world-class cGMP biologics facility in Taichung is certified by the Taiwan Food and Drug Administration (TFDA) and is designed and operated to be compliant with all U.S. FDA and EMA requirements.

Contact AOP Orphan Pharmaceuticals AG Wilhelminenstrasse 91/IIf 1160 Wien Dr. Christoph Klade, Chief Scientific Officer christoph.klade@aoporphan.com

PharmaEssentia Corporation 13F, No.3, YuanQu St., NanKang Dist.,Taipei 115, Taiwan Dr. Ching-Leou Teng, Chairperson of the Board chingleou_teng@pharmaessentia.com

(Ende)

Aussender: AOP Orphan Pharmaceuticals AG Ansprechpartner: Dr. Christoph Klade Tel.: +43 503 72 44-24 E-Mail: christoph.klade@aoporphan.com Website: www.aoporphan.at