Anthem and Castlight Collaborate to Accelerate and Enable Broader Healthcare Consumerism

Strategic Relationship Will Speed the Adoption of Innovative
Technologies to Help Lower Healthcare Costs and Improve Outcomes

INDIANAPOLIS & SAN FRANCISCO–(BUSINESS WIRE)–Anthem, Inc. (NYSE: ANTM) and Castlight Health, Inc. (NYSE:CSLT) today
announced their expanded collaboration that will help employers and
consumers make smarter health care spending decisions. Through this
strategic relationship, the companies will focus on providing innovative
cost and quality decision-support tools, as well as developing new
products that will offer consumers easy to understand health care cost
and quality information. In addition, the arrangement will foster the
accelerated market adoption of Castlight’s premium enterprise healthcare
management solutions (EHM).

“Access to price and quality information are essential in helping
consumers make more informed and personalized health care decisions,”
said Brian Griffin, executive vice president and president of Anthem’s
Commercial and Specialty business. “Consumer data, coupled with
Castlight’s innovative, consumer-friendly web and mobile solutions, has
the potential to transform how the industry provides cost and quality
information to millions of consumers.”

The collaboration strives to build trust and an open dialogue with
employers and consumers when it comes to supporting health and health
care spending decisions. Anthem has the broad presence to engage
consumers and providers around health care cost and quality to
ultimately drive behavior change and achieve better financial and health
outcomes. Anthem has been offering Castlight solutions as part of its
own employee benefit plan, and is committed to working closely with
Castlight to accelerate the delivery of their premium EHM solutions to
broader populations.

“Castlight is deeply honored to collaborate with Anthem in this
endeavor. Our relationship represents a major advance in bringing
innovative technologies to employers and employees that will help them
lower their healthcare costs, and improve medical outcomes,” said
Giovanni Colella, M.D., co-founder and chief executive officer at
Castlight Health. “We are confident that this collaboration will further
accelerate the adoption of our EHM solutions in the market.”

About Anthem, Inc.

Anthem is working to transform health care with trusted and caring
solutions. Our health plan companies deliver quality products and
services that give their members access to the care they need. With over
72 million people served by its affiliated companies, including more
than 38 million enrolled in its family of health plans, Anthem is one of
the nation’s leading health benefits companies. For more information
about Anthem’s family of companies, please visit www.antheminc.com/companies.

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
2014 top 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
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Forward Looking Statements Disclaimer

This press release contains “forward-looking” statements that are based
on Castlight’s beliefs and assumptions and on information currently
available to Castlight’s management. Forward-looking statements include
all statements other than statements of historical fact contained in
this presentation, including information concerning the success of the
expanded collaboration and the pace of adoption of Castlight’s solutions.

Forward-looking statements are subject to known and unknown risks,
uncertainties, assumptions and other factors including, but not limited
to, those related to market acceptance of Castlight’s Enterprise
Healthcare Management offerings, ability to increase sales of
Castlight’s offerings and to attract and retain customers, ability to
develop new applications and bring them to market in a timely manner,
ability to maintain, protect and enhance Castlight’s brand and
intellectual property, and ability to continue to stay in compliance
with applicable laws and regulations. Moreover, Castlight operates in a
very competitive and rapidly changing environment, and new risks may
emerge from time to time. It is not possible for Castlight’s management
to predict all risks, nor can Castlight assess the impact of all factors
on is business or the extent to which any factor, or combination of
factors, may cause actual results to differ materially from those
contained in any forward-looking statements it may make. These factors,
together with those that may be described in greater detail in
Castlight’s reports that Castlight file from time to time with the
Securities and Exchange Commission, including Castlight’s
quarterly reports on form 10-Q, particularly under the heading “Risk
Factors,” may cause Castlight’s actual results, performance or
achievements to differ materially and adversely from those anticipated
or implied by its forward-looking statements.

You should not rely upon forward-looking statements as predictions of
future events. Although Castlight management believes that the
expectations reflected in its forward-looking statements are reasonable,
Castlight cannot guarantee that the future results, levels of activity,
performance or events and circumstances described in the forward-looking
statements will be achieved or occur. Moreover, neither Castlight, nor
any other person, assume responsibility for the accuracy and
completeness of the forward-looking statements. Castlight undertakes no
obligation to publicly update any forward-looking statements for any
reason after the date of this press release to conform these statements
to actual results or to changes in its expectations, except as required
by law.

Contacts

Anthem, Inc. Contacts
Investor
Relations:
Doug Simpson, 317-488-6181
Douglas.simpson@anthem.com
or
Media:
Jill
Becher, 414-234-1573
jill.becher@anthem.com
or
Castlight
Health Contacts
Investor Relations:
Charles
Butler, 415-829-1400
ir@castlighthealth.com
or
Media:
Jim
Rivas, 415-829-1568
press@Castlighthealth.com