1.	Organization and Nature of Business

Repligen Corporation (“Repligen” or the “Company”) is a bioprocessing company that develops, manufactures and markets innovative products and solutions used to manufacture biologic drugs. The Company is a world-leading manufacturer of both native and recombinant forms of Protein A, critical reagents used in biomanufacturing to separate and purify monoclonal antibodies, a type of biologic drug. Repligen also supplies several growth factor products, ATF System products and cell filtration products used to increase cell culture productivity during the bioproduction process. In the expanding area of flexible biomanufacturing technologies, the Company has developed and markets a series of OPUS chromatography columns for use in clinical-scale manufacturing. The Company generally manufactures and sells Protein A and growth factors to life sciences companies under long-term supply agreements and sells its chromatography columns, as well as media and quality test kits, and ATF products directly to biopharmaceutical companies or contract manufacturing organizations or through distributors. The Company manufactures its products in production facilities in the United States and Sweden.

In addition, the Company has out-licensed certain intellectual property to Bristol-Myers Squibb Company, from which Repligen received royalties on Bristol’s net sales in the United States of their product Orencia^®. On April 7, 2008, the Company entered into a settlement agreement with Bristol in connection with a patent infringement lawsuit that Repligen filed against Bristol. Under the terms of the settlement agreement, Bristol was obligated to pay us royalties on its U.S. net sales of Orencia^® for any clinical indication at a rate of 1.8% for the first $500,000,000 of annual sales, 2.0% for the next $500,000,000 of annual sales and 4% of annual sales in excess of $1 billion. Under the terms of the agreement, royalty payments on Bristol’s sales of Orencia^® ceased as of December 31, 2013.

The Company is subject to a number of risks typically associated with companies in the biotechnology industry. These risks principally include the Company’s dependence on key customers, development by the Company or its competitors of new technological innovations, dependence on key personnel, protection of proprietary technology, compliance with the FDA and other governmental regulations and approval requirements, as well as the ability to grow the Company’s business and obtain adequate funding to finance this growth.