Investor Relations

Our ticker symbol is CSLT.

Castlight Health was founded in 2008.

Our common stock is traded on the New York Stock Exchange.

Friday March 14th, 2014.

The underwriters were Goldman, Sachs & Co., Morgan Stanley & Co. LLC, Allen & Company LLC, Stifel, Nicolaus & Company, Incorporated, Canaccord Genuity Inc. and Raymond James & Associates, Inc.

You must contact a registered broker to invest in the common stock of Castlight Health.

We are headquartered in San Francisco, California.

We have not declared or paid cash dividends on our common stock. We currently do not anticipate declaring any cash dividends in the foreseeable future.

Our transfer agent is:

American Stock Transfer & Trust Company, LLC
6201 15th Avenue, Brooklyn, New York 11219
Phone: # 1-800-937-5449
Email: info@amstock.com (please include a reference to CastLight. Health)
Website: www.amstock.com

Please refer to the Financial Information section within this investor relations website for online versions of financial documents such as Form 10-Q or Form 10-K, annual reports and other financial documents.

The date of the stockholder meeting will be determined by our Board of Directors. Proxy materials and annual reports will be available online and mailed approximately one month prior to the meeting.

Our independent auditor is Ernst & Young LLP.

Our corporate counsel is Fenwick & West LLP.

When a date for the quarterly results release has been established, it will be announced in a press release and will be listed under the Press Release section within the investor relations area of our website.

Our fiscal year ends on December 31.

Investor related questions can be submitted to Castlight Health via the IR Contact section within this investor relations website.

You can sign up for e-mail alerts notifying you of new press releases, SEC filings or corporate actions and events via the Email Alerts section within this investor relations website.

Dr. Giovanni M. Colella, MD serves as our Executive Chairman of the Board. Interested parties wishing to communicate with our Chairperson may write to Dr. Colella at Castlight Health, Inc., Attn: Corporate Secretary, 150 Spear Street, Suite 400, San Francisco, California 94105. Our Corporate Secretary will forward these letters directly to our Chairperson. Interested parties may indicate in their letters if their communication is intended to be provided to certain director(s), including our Chairperson, only. We reserve the right not to forward to our Board of Directors, including our Chairperson, any abusive, threatening or otherwise inappropriate materials.