Jury Concludes VirnetX's Patents In Suit With Cisco Are Valid But Does Not Find Infringement

  Jury Concludes VirnetX's Patents In Suit With Cisco Are Valid But Does Not
                              Find Infringement

PR Newswire

ZEPHYR COVE, Nev., March 14, 2013

ZEPHYR COVE, Nev., March 14, 2013 /PRNewswire/ --VirnetX™ Holding Corporation
(NYSE MKT: VHC), an Internet security software and technology company, today
announced that on March 14, 2012, a Jury in the Eastern District of Texas
determined that asserted claims of VirnetX's '504, '211, and '135 patents are
valid over prior art asserted by Cisco. The Court in this case granted a
judgment as a matter of law (JMOL) that Cisco failed to prove that VirnetX's
'759 patent was invalid.

The Jury also determined that VirnetX did not prove that accused Cisco
products infringed the patents in this case.

"While we are disappointed that the Jury did not find infringement in our suit
with Cisco, we are pleased that the Jury found our patents to be valid," said
Kendall Larsen, VirnetX CEO and President. "This event will not deter our
licensing efforts to the 4G LTE mobile markets. Furthermore, the Jury's
decision today does not alter the prior Apple Judgment."

About VirnetX

VirnetX Holding Corporation is an Internet security software and technology
company with patented technology for secure communications including 4G LTE
security. The Company's software and technology solutions, including its
secure domain name registry and GABRIEL Connection Technology™, are designed
to facilitate secure communications and to create a secure environment for
real-time communication applications such as instant messaging, VoIP, smart
phones, eReaders and video conferencing. The Company's patent portfolio
includes 20 U.S. and 26 international patents and over 100 pending
applications. For more information, please visit www.virnetx.com.

Forward Looking Statements

Statements in this press release that are not statements of historical or
current fact, including statements regarding thestrength of Virnetx's
intellectual property, constitute "forward-looking statements" within the
meaning of the Private Securities Litigation Reform Act of 1995. Such
forward-looking statements are based on expectations, estimates and
projections about the markets in which the Company operates, management's
beliefs, and certain assumptions made by management and involve known and
unknown risks, uncertainties and other unknown factors that could cause the
actual results of the Company to be materially different from the historical
results or from any future results expressed or implied by such
forward-looking statements, including but not limited to (1) the outcome of
any legal proceedings that have been or may be initiated by the Company or
that may be initiated against the Company; (2) the ability to capitalize on
the Company's patent portfolio and generate licensing fees and revenues; (3)
the ability of the Company to be successful in entering into licensing
relationships with its targeted customers on commercially acceptable terms;
(4) potential challenges to the validity of the Company's patents underlying
its licensing opportunities; (5) the ability of the Company to achieve
widespread customer adoption of the Company's GABRIEL Communication
Technology™ and its secure domain name registry; (6) the level of adoption of
the 3GPP Series 33 security specifications; (7) whether or not the Company's
patents or patent applications may be determined to be or become essential to
any standards or specifications in the 3GPP LTE, SAE project or otherwise; (8)
the extent to which specifications relating to any of the Company's patents or
patent applicationsmay beadopted as a final standard, if at all; and (9) the
possibility that Company may be adversely affected by other economic,
business, and/or competitive factors. In addition to statements which
explicitly describe such risks and uncertainties, readers are urged to
consider statements labeled with the terms "believes," "belief," "expects,"
"intends," "anticipates," or "plans" to be uncertain and forward-looking. The
forward-looking statements contained herein are also subject generally to
other risks and uncertainties that are described from time to time in the
Company's reports and registration statements filed with the Securities and
Exchange Commission, including those under the heading "Risk Factors" in
Company's Annual Report on Form 10-K filed with the SEC on March 1, 2013.
Many of the factors that will determine the outcome of the subject matter of
this press release are beyond the Company's ability to control or predict.
Except as required by law, the Company is under no duty to update any of the
forward-looking statements after the date of this press release to conform to
actual results.

Greg Wood
VirnetX Holding Corporation

VirnetX and GABRIEL Connection Technology are trademarks of VirnetX Holding
Corporation. Other company and product names may be trademarks of their
respective owners.

SOURCE VirnetX Holding Corporation

Website: http://virnetx.com
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