ZixCorp Delivers Powerful New Solution with Global IT Leader

PRESS RELEASE

DALLAS — Oct. 13, 2015 — Zix Corporation (ZixCorp), (Nasdaq: ZIXI) today announced the launch of ZixGateway® with Cisco® Technology (ZCT), an on-site solution for easy-to-use encrypted email to anyone, anywhere on any device. Available on October 23, 2015, through Cisco direct sales and its reseller network, ZCT addresses a need for enterprises that require on-premises, industry-leading security by integrating Zix^® Email Encryption with Cisco Post X Envelope.

“The integration of Zix Email Encryption with Cisco technology, as well as sales and marketing preparation for the new product, has been exceptional,” said Rick Spurr, chief executive officer of ZixCorp. “We are excited to present ZixGateway with Cisco Technology to the market and enhance security and ease of use for our customers.”

ZCT will enable customers to meet regulatory and corporate compliance requirements for email communication without the need or cost of special training or procedures for employees. ZCT customers will benefit from the industry’s most robust and easy-to-use delivery methods, including ZixCorp’s unrivaled transparent delivery of encrypted email. With transparent delivery, both senders and recipients using ZixGateway skip the hassle of extra steps and exchange secure email just like regular email. Adoption of this solution in the marketplace will increase the size and value of the Zix Encryption Network, benefiting all new customers as well as existing ZixGateway customers who will experience transparent delivery of encrypted email with more of their recipients.

“Our OEM relationship showcases a new trend in security where industry leaders combine their valuable and proven solutions for the advancement of technology and data protection,” said Spurr. “Together, we can best serve our customers, meet their evolving needs and tackle today’s greatest security challenges.”

To learn more about ZCT, visit http://www.cisco.com/c/en/us/products/security/zixgateway-cisco-technology/index.html or contact your Cisco sales rep for details.

About Zix Corporation

ZixCorp is a leader in email data protection. ZixCorp offers industry-leading email encryption, a unique email DLP solution and an innovative email BYOD solution to meet your company’s data protection and compliance needs. ZixCorp is trusted by the nation’s most influential institutions in healthcare, finance and government for easy to use secure email solutions. ZixCorp is publicly traded on the Nasdaq Global Market under the symbol ZIXI, and its headquarters are in Dallas, Texas. For more information, visit www.zixcorp.com.

Statements about the anticipated commercial availability of email encryption products are forward-looking statements within the meaning of Section 21E of the Securities Exchange Act of 1934, as amended. Readers are cautioned not to place undue reliance on forward-looking statements. All forward-looking statements in this release are based upon information available to ZixCorp on the date this release was issued. ZixCorp undertakes no obligation to publicly update or revise any forward-looking statements, whether as a result of new information, future events or otherwise. Any forward-looking statements involve substantial risks and uncertainties that could cause actual events or results to differ materially from the events or results described in the forward-looking statements, including but not limited to risks or uncertainties related to implementation and acceptance of new products and services. ZixCorp may not succeed in addressing these and other risks. Further information regarding factors that could affect ZixCorp financial and other results can be found in the risk factors section of ZixCorp's Annual Report on Form 10-K for the fiscal year ended December 31, 2014, and its subsequent Quarterly Reports on Form 10-Q for the fiscal quarters ended March 31, 2015, and June 30, 2015, in each case, as filed with the Securities and Exchange Commission.

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