Castlight Health, Inc. to Present at Upcoming Investor Conferences

August 7, 2015

SAN FRANCISCO – August 7, 2015 – Castlight Health, Inc. (NYSE: CSLT), the leader in enterprise healthcare management (EHM), today announced that the company will present at the two following conferences.

Chief Financial Officer John Doyle will present at the Pacific Crest Global Technology Leadership Forum in Vail, Colorado. The presentation is scheduled for Monday, August 10, 2015 at 2:30 p.m. Mountain Time and will be webcast live.

Chief Strategy Officer Nita Sommers will present at the Canaccord Genuity 35th Annual Growth Conference at the InterContinental in Boston. The presentation is scheduled for Wednesday, August 12, 2015 at 2:00 p.m. Eastern Time and will be webcast live.

An archive of the presentations 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]

415-515-8780

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.