Cubist Pharmaceuticals and the New England Patriots Radio Network Honor Lowell, Ma Science Teacher

Cubist Pharmaceuticals, Inc. (NASDAQ: CBST) today announced that, in partnership with The New England Patriots Radio Network, 985 The Sports Hub, it has selected Melissa Chen, a science teacher at the Lowell Middlesex Academy Charter School, to receive the Cubist Pharmaceuticals Science Education Leadership Award. This award culminates Cubist and the New England Patriots Radio Network’s recognition during the course of the football season of 10 "Teachers of the Week”, who are innovative science teachers in middle schools and high schools throughout New England. Ms. Chen was chosen from that group and was recognized at the New England Patriots game on Jan. 2^nd.

As part of Ms. Chen’s award, Cubist will present the Lowell Middlesex Academy Charter School’s science department with a $500 check after the football season, along with a visit from a Patriots alumnus player and a representative from Cubist.

Ms. Chen’s nomination stated: "Her passion and creativity generate enthusiasm and promote curiosity in her students… She inspires students who may become scientists that make great discoveries, as well as those who simply want to know more about how things work. She is a tremendous asset to her students, her school, and the city of Lowell.”

Throughout the season, Cubist and the New England Patriots Radio Network have recognized science teachers leading the way in the classroom. During the New England Patriots season, teachers were selected as the Cubist Pharmaceuticals "Teacher of the Week” and announced during the New England Patriots radio broadcast. In addition to Ms. Chen, the weekly qualifiers were Richard Beaumont, Lindsay Chipman, Mary-Frances Doiron, Stephanie Giglio, Paul Guidetti, Jennifer Mercury, Maryann Hanley Pereira, Paul Perrone, and Todd Ryan.

Cubist Executive Vice President, Research & Development and Chief Scientific Officer Steve Gilman said, "This year’s nominees for this award were superb, making the final selection difficult. Needless to say, all of the nominees and teachers who are demonstrating leadership and innovation in the classroom on a daily basis deserve our collective support for all they are doing in preparing the next generation for challenging jobs in science and technology and in other fields of endeavor.”

About Cubist

Cubist Pharmaceuticals, Inc. is a biopharmaceutical company focused on the research, development, and commercialization of pharmaceutical products that address unmet medical needs in the acute care environment. In the U.S., Cubist markets CUBICIN® (daptomycin for injection), the first antibiotic in a class of anti-infectives called lipopeptides. The Cubist clinical product pipeline currently consists of a Phase 2 program focused on the development of a novel cephalosporin to address certain serious infections caused by multi-drug resistant (MDR) Gram-negative organisms; and a Phase 2 program for the treatment of CDAD (Clostridium difficile-associated diarrhea). Cubist is also working on several pre-clinical programs being developed to address areas of significant medical needs. These include an anti-infective program for the treatment of respiratory syncytial virus (RSV) in children, therapies to treat various serious bacterial infections, and agents to treat acute pain. Cubist is headquartered in Lexington, Mass. Additional information can be found at Cubist’s web site at www.cubist.com.

Cubist and CUBICIN are registered trademarks of Cubist Pharmaceuticals, Inc.