Castlight Health, Inc. to Present at the Stifel Healthcare Conference

November 11, 2015

SAN FRANCISCO – November 11, 2015 – Castlight Health, Inc. (NYSE: CSLT), the leader in enterprise healthcare management (EHM), today announced that Chief Financial Officer and Chief Operating Officer John Doyle will present at the Stifel Healthcare Conference at the New York Palace Hotel in New York City.

Castlight Health’s presentation is scheduled for Wednesday, November 18, 2015 at 1:30 p.m. Eastern Time and will be webcasting live. An archive of the presentation will be available for a limited time and will be accessible at www.castlighthealth.com in the Investor Relations section.

About Castlight Health
Castlight Health, Inc. (NYSE:CSLT) is a leader in Enterprise Healthcare Management. We believe great healthcare builds great business, and U.S. enterprises can gain control over the $620 billion spent annually on healthcare, transforming a crippling cost into a strategic business advantage. Recognized as a top 2014 software platform by the HR Technology Conference & Exposition, the Castlight Enterprise Healthcare Cloud enables employers to understand and manage their healthcare investments while helping employees make the best possible healthcare decisions. Castlight is a great place to work, honored with a Glassdoor Employees’ Choice award and recognized by Rock Health for Diversity in Leadership. For more information visit www.castlighthealth.com. Follow us on Twitter and LinkedIn and Like us on Facebook. Source: Castlight Health.

Investor Contact:

Charles Butler

[email protected]

415-829-1400

Media Contact:

Jim Rivas

[email protected]

415-829-1568

Copyright 2015 Castlight Health, Inc. Castlight Health® is the registered trademark of Castlight Health, Inc. Other company and product names may be trademarks of the respective companies with which they are associated.