Epirus Biophrmaceuticals Limited and Polpharma Group today announced the signing of a multi-product, multi-region profit-sharing collaboration for select EPIRUS biosimilars, including BOW015 (infliximab, reference biologic Remicade®), BOW050(adalimumab, reference biologic Humira®) andBOW070 (tocilizumab, reference biologic Actemra®), representing $6 billion in innovator sales in the specified territoriesⁱ.

Polpharma Group is a leading generics company based in Poland with annual sales of approximately $1 billion and a strong commercial infrastructure, including a salesforce of over 1,700 employees globally.

With EPIRUS leading the global product development and clinical programs, both parties will jointly fund clinical development and collaborate on regulatory filings in the specified territories. EPIRUS will also be responsible for process development, scale-up and manufacturing, with Polpharma Group overseeing commercialization across the territories. Clinical development costs and eventual operating profit will be split 51 percent Polpharma Group and 49 percent EPIRUS. Polpharma Group will contribute approximately $30 million towards clinical development costs, as well as cover product launch costs across all three programs.

“This profit-sharing collaboration with Polpharma Group enables us to better direct our business and retain future value,” said Amit Munshi, president and chief executive officer, EPIRUS Biopharmaceuticals. “We have an aggressive plan to bring our products to markets globally and to build a pure-play, sustainable and profitable biosimilar business. To achieve this goal, we need an equally aggressive partner with aligned objectives. Polpharma Group is rooted in over 80 years of experience in highly competitive global markets with complex generics. They have already made a substantial commitment to the biosimilar space with a vision to expand.”

EPIRUS retains the commercial rights to Switzerland and Norway along with select EU countries including Austria, Belgium, Denmark, Finland, Luxembourg, the Netherlands and Sweden, allowing the Company to build its direct commercial footprint. EPIRUS also retains rights to North America and other global markets not addressed in this agreement. A joint management board will oversee the collaboration.

“Partnering with EPIRUS allows us to combine their technical expertise with our commercial strength,” said Jerzy Starak, chairman of the supervisory board, Polpharma Group. “We are pleased to join the experience of both teams and the potential of these markets to provide patients with more affordable access to modern treatment.”

Conference Call and Webcast Information:
The EPIRUS leadership team will host a conference call and webcast today, July 14, 2015 at 9 a.m. Eastern Time. To access the conference call, please dial 1-855-638-3957 (United States) or 1-224-633-1318 (International).The conference ID is 81626670. The webcast can be accessed on EPIRUS’ website atwww.epirusbiopharma.com. Please connect to either the conference call or webcast at least 10 minutes early to ensure adequate time to register. The webcast will be archived on EPIRUS’ website for a period of three months.

About EPIRUS Biopharmaceuticals
EPIRUS Biopharmaceuticals (Nasdaq:EPRS) is a biopharmaceutical company focused on building a pure-play, sustainable, profitable biosimilar business. As such, EPIRUS will be able to improve patient access to important, cost-effective medicines worldwide. EPIRUS’ current pipeline of biosimilar product candidates includesBOW015 (infliximab, reference biologic Remicade®), BOW050 (adalimumab, reference biologic Humira®) and BOW070 (tocilizumab, reference biologic Actemra®). The reference products for these candidates together generated $23 billion in global sales for 2014, according to EvaluatePharma®. EPIRUS has developed distinct strategies to penetrate the global market, leveraging partnerships to optimize value retention over the long-term.

About Polpharma Group
Polpharma Group is a leading generics player based in Poland, operating across Europe, the Caucasus and Central Asia, with manufacturing subsidiaries in Russia andKazakhstan. Polpharma Group is among the top 20 generic drug manufacturers in the world with annual sales of approximately $1 billion. Polpharma Group’s portfolio includes about 600 products with another 200 in pipeline. It is also one of the leading European API producer delivering products for pharmaceutical companies worldwide. In order to provide patients with more affordable access to modern biologic drugs, Polpharma Group has decided to focus on biosimilar products. It has created a state-of-the-art R&D and production center, and established strategic partnerships in addition to expanding its capabilities in the development and commercialization of biosimilars.