Guidance Software Professional Services Team to Help Multi-Billion Dollar Retailer Build an E-Discovery Center of Excellence

Guidance Software, Inc. (NASDAQ:GUID) today announced the company’s largest Guidance Software Advisory Program deal to-date with a multi-billion dollar retailer. As part of the agreement, Guidance Software Professional Services e-discovery experts will help the retailer build a world-class E-discovery Center of Excellence to support their ongoing e-discovery efforts.

"The scale of e-discovery issues for litigious industries like retail, financial services, healthcare, government and more is driving a need for trained professionals to come alongside organizations to help them develop best practice programs that include repeatable and efficient business processes using tools like our market-leading EnCase eDiscovery solution,” said Amanda Berger, vice president, Professional Services at Guidance Software. "This burgeoning need is why we created the Guidance Software Advisory Program.”

The Guidance Software Advisory Program, launched in 2009, has successfully helped many organizations including a number of Fortune 100 customers optimize their business process for e-discovery, security and digital investigations.

"Through the Guidance Software Advisory Program, our highly trained professional services team work alongside customers to provide a customized plan to automate procedures, reduce inefficiencies, establish a documented, defensible and repeatable workflow, and align procedures with industry best practices,” added Berger.

To learn more about the Guidance Software Advisory Program and other professional services visit: http://www.guidancesoftware.com/professional-services-overview.htm

About Guidance Software, Inc.

Guidance Software is recognized worldwide as the industry leader in digital investigative solutions. Its EnCase® platform provides the foundation for government, corporate and law enforcement organizations to conduct thorough, network-enabled, and court-validated computer investigations of any kind, such as responding to eDiscovery requests, conducting internal investigations, responding to regulatory inquiries or performing data and compliance auditing - all while maintaining the integrity of the data. There are more than 30,000 licensed users of the EnCase technology worldwide, the EnCase® Enterprise platform is used by over half of the Fortune 100, and thousands attend Guidance Software's renowned training programs annually. For more information about Guidance Software, visit http://www.guidancesoftware.com/.

Follow Guidance Software on Twitter at http://twitter.com/encase and on Facebook at http://www.facebook.com/guidancesoftware.

EnCase® EnScript®, FastBloc®, Guidance Software® and EnCE® are registered trademarks or trademarks owned by Guidance Software in the United States and other jurisdictions and may not be used without prior written permission. All other marks and brands may be claimed as the property of their respective owners.

Forward Looking Statements

This news release contains forward-looking statements within the meaning of the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. Investors are cautioned that forward-looking statements in this release involve risks and uncertainties that could cause actual results to differ materially from current expectations. There can be no assurance that demand for the Guidance Software's products will continue at current or greater levels, or that the Company will continue to grow revenues, or be profitable. There are also risks that the Guidance Software's pursuit of providing network security and eDiscovery technology might not be successful, or that if successful, it will not materially enhance the Guidance Software's financial performance; that the Company could fail to retain key employees; that changes in customer requirements and other general economic and political uncertainties could impact the Guidance Software's relationship with its customers; and that delays in product development, competitive pressures or technical difficulties could impact timely delivery of next-generation products; and other risks and uncertainties that are described from time to time in Guidance Software's periodic reports and registration statements filed with the Securities and Exchange Commission. The Company specifically disclaims any responsibility for updating these forward-looking statements.

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