Roche to License Eleven Bio’s IL-6 Antagonist Antibody Technology in $270 Million Deal

CAMBRIDGE, Mass.–(BUSINESS WIRE)–Eleven Biotherapeutics, Inc. (NASDAQ:EBIO), a biopharmaceutical company discovering and developing protein therapeutics to treat diseases of the eye, today announced that it has entered into an exclusive license agreement with F. Hoffmann-La Roche Ltd. and Hoffmann-La Roche Inc. (Roche) relating to Eleven’s Interleukin-6 (IL-6) technology. Under the terms of the agreement, Eleven has agreed to grant an exclusive, worldwide license to Roche to develop and commercialize EBI-031, a humanized monoclonal antibody that potently binds IL-6 and inhibits all known forms of IL-6 cytokine signaling, currently being developed for the potential treatment of ocular diseases, and all other IL-6 antagonist antibody technology owned by Eleven.

Under the agreement, Eleven will be entitled to an upfront payment of $7.5 million, along with potential future milestone payments of up to $262.5 million. The first potential future milestone payment is subject to the effectiveness of an investigational new drug application (IND) for EBI-031. This first milestone payment will equal $22.5 million if the IND becomes effective on or before September 15, 2016 or $20.0 million if the IND becomes effective after September 15, 2016. In addition, Eleven could be entitled to receive royalties for net sales of potential future products containing EBI-031 or any other potential future products containing other Eleven IL-6 compounds. Effectiveness of the license agreement is subject to approval of the license by holders of at least a majority of the outstanding shares of Eleven’s common stock.

“We were excited to announce the submission of an IND for EBI-031 earlier today,” said Abbie Celniker, Ph.D., President and Chief Executive Officer of Eleven Biotherapeutics. “We are pleased to see Roche poised to further develop this potent IL-6 blocker for the potential benefit of patients. As previously announced, we also continue to evaluate additional strategic alternatives with a goal to maximize shareholder value.”

About EBI-031

Eleven Biotherapeutics’ most advanced preclinical product candidate is EBI-031 for treatment of diabetic macular edema, or DME, and uveitis. EBI-031 was designed and engineered for intravitreal delivery using Eleven’s AMP-Rx platform. EBI-031 is a potent blocker of both free IL-6 and IL-6 complexed to the soluble IL-6 receptor (IL-6R).

About Eleven Biotherapeutics

Eleven Biotherapeutics, Inc. is a preclinical-stage biopharmaceutical company with a proprietary protein engineering platform, called AMP-Rx, that it applies to the discovery and development of protein therapeutics to treat diseases of the eye. Eleven’s therapeutic approach is based on the role of cytokines in diseases of the eye, the Company’s understanding of the structural biology of cytokines and the Company’s ability to rationally design and engineer proteins to modulate the effects of cytokines. Cytokines are cell signaling molecules found in the body that can have important inflammatory effects. For more information please refer to the Company’s website www.elevenbio.com.

Important Information

The Company plans to file with the Securities and Exchange Commission (“SEC”) and mail to its stockholders a proxy statement in connection with the transactions contemplated by the license agreement. Additionally, the Company will file other relevant materials with the SEC in connection with the transactions contemplated by the license agreement. The proxy statement will contain important information about the Company, the transactions contemplated by the license agreement and related matters. Investors and security holders are urged to read the proxy statement carefully when it is available before making any voting or investment decision with respect to the proposed transactions because they will contain important information about the proposed transactions.

Investors and security holders will be able to obtain free copies of the proxy statement and other documents filed with the SEC by the Company through the web site maintained by the SEC at www.sec.gov. In addition, investors and security holders will be able to obtain free copies of the proxy statement from public company by contacting Leah Monteiro at (617) 714-0619.

The Company and its directors and executive officers may be deemed to be participants in the solicitation of proxies in respect of the transactions contemplated by the license agreement. Information regarding the Company’s directors and executive officers is contained in the Company’s Form 10-K for the fiscal year ended December 31, 2015, and its proxy statement dated April 29, 2016, each of which has been filed with the SEC. Additional information regarding the participants in the solicitation of proxies in respect of the transactions contemplated by the license agreement and a description of their direct and indirect interests, by security holdings or otherwise, will be contained in the proxy statement and other relevant materials to be filed with the SEC when they become available.

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