VirnetX Announces Denial of Five Apple Petitions for Inter Partes Review of VirnetX Patents by USPTO

Apple Previously Found to Infringe the Patents-at-Issue

ZEPHYR COVE, Nev., Feb. 18, 2015  VirnetX™ Holding Corporation (NYSE MKT: VHC), an Internet security software and technology company, announced today that on February 17, 2015,  the Patent Trial and Appeal Board (PTAB or Board) of the United States Patent and Trademark Office (USPTO) denied five petitions for inter partes review (IPR) filed by Apple Inc. These petitions sought review of certain claims of three of VirnetX's U.S. Patent Nos. 7,921,211 ('211 patent), 7,418,504 ('504 patent) and 7,491,151 ('151 patent).  For all five petitions, the Board determined that they were not filed within the time limit imposed by the statute and declined to institute IPRs. In the same order, the Board also dismissed Apple's request to join the IPRs previously filed by Microsoft, as those IPRs had already been terminated.

Apple was found to infringe the '211, '504 and '181 patents in a lawsuit filed by VirnetX against Apple. The United States Court of Appeals for the Federal Circuit also affirmed the validity of the claims-at-issue of these three patents in its decision on September 16, 2014.

"We are pleased with the PTAB's decisions to deny Apple's petitions," said Kendall Larsen, VirnetX CEO and President. "With these latest decisions, the USPTO has now either declined to institute review or terminated 37 IPR proceedings that were filed by New Bay, Apple, RPX, and Microsoft."                                                                                       

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, smartphones, eReaders and video conferencing.  The Company's patent portfolio includes over 107 U.S. and international patents with 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 the  strength 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, including pending and future inter partes review proceedings in the Patent and Trademark Office; (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 applications may be adopted 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 Quarterly Report on Form 10-Q filed with the SEC on November 10, 2014.  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.

Contact:
Greg Wood
VirnetX Holding Corporation
775.548.1785
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