ZixCorp to Announce Fourth Quarter and Full-Year 2014 Results on February 17

Full-year 2015 guidance to be provided on quarterly call

Zix Corporation (ZixCorp), (Nasdaq: ZIXI), a leader in email data protection, will host a conference call and webcast to discuss the company’s financial results for the fourth quarter and full-year 2014 on Tuesday, Feb. 17, 2015, at 5:00 p.m. ET. ZixCorp’s financial results will be available on its investor relations Web site at http://investor.zixcorp.com and announced in a press release after the close of NASDAQ market hours on Feb. 17, 2015.

All interested parties are invited to hear Rick Spurr, ZixCorp’s Chief Executive Officer, and Mike English, ZixCorp’s Chief Financial Officer, review the company’s financial results, 2014 business highlights and guidance for 2015.

To access the conference call, please dial 1-800-901-5241 (U.S. toll-free) or 1-617-786-2963 (international) at least 15 minutes before the call. The access code is 86863655. Participants can access a live webcast of the conference call on ZixCorp’s investor relations Web site. Please visit the Web site at least 15 minutes early to register, download and install any necessary audio software.

An audio replay will be offered until Feb. 24, 2015, by dialing 1-888-286-8010 (U.S. toll-free) or 1-617-801-6888 (international) and entering the access code 95134973. An archive of the webcast will also be available on the ZixCorp investor relations Web site.

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.

ZixCorpInvestor RelationsTodd Kehrli or Jim Byers, [e-mail]