Castlight Health to Present at the Raymond James Internet/Software Crossover Conference May 29 in San Francisco

May 22, 2014

SAN FRANCISCO – May 22, 2014 – Castlight Health®, Inc. (NYSE: CSLT), a pioneer of the Enterprise Healthcare Cloud, today announced that Co-Founder and Chief Executive Officer Dr. Giovanni Colella will present at the Raymond James Internet/Software Crossover Conference at The Fairmont in San Francisco.

Castlight Health’s presentation is scheduled for Thursday, May 29, 2014 at 11:30 a.m. Pacific Time and will be webcast live. An archive of the presentation will be available for a week and will be accessible at www.castlighthealth.com in the Investor Relations section.

About Castlight Health

Castlight Health (NYSE: CSLT) is a pioneer of the Enterprise Healthcare Cloud. Founded in 2008, San Francisco-based Castlight makes healthcare data actionable, empowering our enterprise customers to gain control over their healthcare spending and transforming how companies and employees engage in healthcare. With Castlight, employers can implement technology-enabled benefit designs, integrate disparate healthcare applications, and provide meaningful information to employees and their families. More than 114 companies, ranging from medium-sized businesses to Fortune 50 enterprises, have selected Castlight. For more information visit www.castlighthealth.com. Follow us on Twitter and LinkedIn and Like us on Facebook. Source: Castlight Health

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Investor Contact:

Kristin Baker Spohn

[email protected]

415-829-1505

Media Contact:

Lorie Fiber

[email protected]

646-318-0575

Copyright 2014 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.

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