Date: May 30, 2012
Contact: Kelly Griffith, Marketing Manager
Phone: (612) 492-7514
Email: kgriffith@fredlaw.com

For Immediate Release

Fredrikson & Byron Represents Cardiovascular Systems, Inc.
in Public Offering of Common Stock

Minneapolis, MN May 30, 2012 – – Fredrikson & Byron acted as legal counsel for Cardiovascular Systems, Inc. (Nasdaq: CSII), a medical device company focused on developing and commercializing innovative interventional treatment systems for vascular disease, in its public offering of 1,780,000 shares of common stock, which closed on May 25, 2012. Fredrikson’s legal team included attorneys Bert Ranum, Alexander Rosenstein, and Scott Dorfman, and paralegal Lori Cobb.

Fredrikson & Byron, P.A. is a 260 attorney law firm based in Minneapolis, with offices in Bismarck, Des Moines, Fargo, Monterrey, Mexico, and Shanghai, China. We’ve built a reputation as the firm “where law and business meet” by bringing business acumen and entrepreneurial thinking to our work with clients, and by operating as business advisors and strategic partners as well as legal counselors. The firm’s primary areas of practice include advertising, banking, corporate, corporate governance, employment and labor, energy and renewable energy, government relations, healthcare, intellectual property, international, life sciences, litigation, mergers & acquisitions, real estate, securities, and tax. We serve a broad range of clients, including multinational corporations, public companies, privately-held businesses, entrepreneurs, government agencies, and family businesses. Fredrikson & Byron’s attorneys also work with individuals on estate planning, family law, and immigration matters. We are the exclusive Minnesota law firm member of the World Services Group, a worldwide network of professional service providers. More information about the firm is available at www.fredlaw.com.