EXHIBIT 4.5 AMENDED AND RESTATED REGISTRATION RIGHTS AGREEMENT THIS AMENDED AND RESTATED REGISTRATION RIGHTS AGREEMENT, dated as of__________, 2005 (this "Agreement"),______________ by and between ZIX CORPORATION, a Texas corporation (the "Company"),...Registration Rights Agreement • April 14th, 2005 • Zix Corp • Services-computer programming, data processing, etc. • New York
TOPurchase Agreement • April 14th, 2005 • Zix Corp • Services-computer programming, data processing, etc. • New York
EXHIBIT 4.3 NEITHER THIS SECURITY NOR THE ISSUANCE TO THE HOLDER OF THE SECURITIES INTO WHICH THIS SECURITY IS CONVERTIBLE OR WHICH ARE ISSUABLE UPON REDEMPTION OF THIS SECURITY HAS BEEN REGISTERED WITH THE SECURITIES AND EXCHANGE COMMISSION IN...Purchase Agreement • April 14th, 2005 • Zix Corp • Services-computer programming, data processing, etc. • New York
TOPurchase Agreement • April 14th, 2005 • Zix Corp • Services-computer programming, data processing, etc. • New York
EXHIBIT 4.4 NEITHER THIS WARRANT NOR ISSUANCE OF THE SECURITIES ISSUABLE UPON THE EXERCISE HEREOF TO THE HOLDER HAVE BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933 OR QUALIFIED OR REGISTERED UNDER STATE SECURITIES OR BLUE SKY LAWS. NEITHER THIS...Purchase Agreement • April 14th, 2005 • Zix Corp • Services-computer programming, data processing, etc. • New York
