Cubist Pharmaceuticals to Present at May Investor Conference

LEXINGTON, Mass.--()--Cubist Pharmaceuticals, Inc. (NASDAQ: CBST) today announced that Robert Perez, EVP and COO of Cubist, will present on Tuesday May 10th, 2011, at 10:20 a.m. PT, at the Bank of America Merrill Lynch Health Care Conference being held at Encore at the Wynn in Las Vegas, Nevada. The webcast presentation will include a discussion of the company’s business activities, financial outlook, and current news.

This presentation will be accessible live (audio with slides) through Cubist’s website at www.cubist.com in the Investor Relations Conference Calendar section and will remain available there for a period of 14 days after the presentation.

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, and has an agreement with Optimer Pharmaceuticals, Inc. to co-promote Optimer’s drug, DIFICID™, in the U.S. as a treatment of Clostridium difficile infections, assuming approval of DIFICID by the FDA. 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 also is working on several pre-clinical programs being developed to address areas of significant medical needs. These include 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.

DIFICID is a trademark of Optimer Pharmaceuticals, Inc.

Contacts

INVESTORS:
Cubist Pharmaceuticals, Inc.
Eileen C. McIntyre, 781-860-8533
Senior Director, Investor Relations
eileen.mcintyre@cubist.com
or
MEDIA:
Cubist Pharmaceuticals, Inc.
Francis McLoughlin, 781-860-8777
Director, Corporate Communication
or
Weber Shandwick (PR Firm)
Tara Murphy, 617-520-7045
tara.murphy@webershandwick.com

Contacts

INVESTORS:
Cubist Pharmaceuticals, Inc.
Eileen C. McIntyre, 781-860-8533
Senior Director, Investor Relations
eileen.mcintyre@cubist.com
or
MEDIA:
Cubist Pharmaceuticals, Inc.
Francis McLoughlin, 781-860-8777
Director, Corporate Communication
or
Weber Shandwick (PR Firm)
Tara Murphy, 617-520-7045
tara.murphy@webershandwick.com