X0303 4 2010-02-24 0 0001082324 VirnetX Holding Corp VHC 0001404703 Munger Edmund C 5615 SCOTTS VALLEY DRIVE SUITE 110 SCOTTS VALLEY CA 95066 1 0 0 0 Stock Option Grant (Right to Buy) 5.48 2010-02-24 4 A 0 31500 0.00 A 2020-02-23 Common Stock 31500 31500 D 1/48th of the total shares shall vest on March 24, 2010 and on the 24th day of each month thereafter so long as the reporting person's Continuous Service Status (as defined in the Issuer's 2007 Stock Plan) continues. If a Change of Control (as defined in the Issuer's 2007 Stock Plan) occurs, all of the Shares underlying this Option then unvested as of the date of the Change of Control will vest and become exercisable immediately prior to the consummation of the Change of Control transaction. /s/ Kendall Larsen, Attorney-in-Fact for Edmund C. Munger 2010-02-26