Cubist Pharmaceuticals, Inc. (NASDAQ: CBST) today announced that CEO Michael W. Bonney was named an Ernst & Young Entrepreneur Of The Year ® 2013 Award New England winner in the Life Sciences category. Winners were announced at a gala event at the Renaissance Waterfront in Boston, Massachusetts on Wednesday, June 26, 2013. “I am honored to be recognized as one of the Ernst & Young Entrepreneur Of The Year Award New England winners. It is truly humbling to be in the company of such great leaders across the region,” said Bonney. “The award is a reflection of all of Cubist’s employees who bring passion and dedication to our mission of transforming patients’ lives. The award also recognizes Cubist’s dedication to the New England area, supporting local communities through middle and high school science, technology, engineering and math (STEM) education programs. Our support of STEM education is an integral part of Cubist’s corporate culture of which I am personally proud.” Now in its 27 th year, the Ernst & Young award recognizes outstanding high-growth entrepreneurs who demonstrate excellence and extraordinary success in such areas as innovation, financial performance and personal commitment to their businesses and communities. About Cubist Cubist Pharmaceuticals, Inc. is a biopharmaceutical company focused on the research, development, and commercialization of pharmaceutical products that address significant unmet medical needs in the acute care environment. Cubist is headquartered in Lexington, Mass. Additional information can be found at Cubist’s web site at www.cubist.com. About Ernst & Young’s Entrepreneur Of The Year® Ernst & Young’s Entrepreneur Of The Year is the world’s most prestigious business award for entrepreneurs. The unique award recognizes the significant contributions of entrepreneurs who inspire others with their vision, leadership and achievement. About Ernst & Young Ernst & Young is a global leader in assurance, tax, transaction and advisory services. Worldwide, our 167,000 people are united by our shared values and an unwavering commitment to quality. We make a difference by helping our people, our clients and our wider communities achieve their potential. For more information, please visit ey.com.