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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549
FORM 10-Q

(Mark One)

     
[X]   QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE
   
SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended June 30, 2003

     
[   ]   TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE
   
SECURITIES EXCHANGE ACT OF 1934

For the transition period from          to         

Commission File Number: 0-17995

ZIX CORPORATION

(Exact Name of Registrant as Specified in its Charter)
     
Texas
(State of Incorporation)
  75-2216818
(I.R.S. Employer
Identification Number)

2711 North Haskell Avenue
Suite 2300, LB 36
Dallas, Texas 75204-2960
(Address of Principal Executive Offices)

(214) 370-2000
(Registrant’s Telephone Number, Including Area Code)

Indicate by check mark whether the Registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the Registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.  Yes [Y] No [   ]

Indicate by check mark whether the Registrant is an accelerated filer (as defined in Rule 12b-2 of the Exchange Act).  Yes [Y] No [   ]

Indicate the number of shares outstanding of each of the issuer’s classes of common stock, as of the latest practicable date.

     
Class   Outstanding at July 15, 2003

 
Common Stock, par value $.01 per share   22,745,480


TABLE OF CONTENTS

CONDENSED CONSOLIDATED BALANCE SHEETS
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
CONDENSED CONSOLIDATED STATEMENT OF CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS’ EQUITY
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS
NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
Independent Accountants’ Review Report
ITEM 2. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS
ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK
ITEM 4. CONTROLS AND PROCEDURES
PART II — OTHER INFORMATION
ITEM 2. CHANGE IN SECURITIES AND USE OF PROCEEDS
ITEM 4. SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS
ITEM 6. EXHIBITS AND REPORTS ON FORM 8-K
SIGNATURE
INDEX TO EXHIBITS
EX-15.1 Letter from Independent Accontants
EX-31.1 Certification of Chief Executive Officer
EX-31.2 Certification of Chief Financial Officer
EX-32.1 Certification of Chief Executive Officer
EX-32.2 Certification of Chief Financial Officer


Table of Contents

INDEX

PART I-FINANCIAL INFORMATION

         
        Page
        Number
       
Item 1.  Financial Statements    
    Condensed Consolidated Balance Sheets at June 30, 2003 and December 31, 2002     3
    Condensed Consolidated Statements of Operations for the three months and six months ended June 30, 2003 and 2002 and for the cumulative period from January 1, 1999 through June 30, 2003     4
    Condensed Consolidated Statement of Convertible Preferred Stock and Stockholders’ Equity for the six months ended June 30, 2003     5
    Condensed Consolidated Statements of Cash Flows for the six months ended June 30, 2003 and 2002 and for the cumulative period from January 1, 1999 through June 30, 2003     6
    Notes to Condensed Consolidated Financial Statements     7
    Independent Accountants’ Review Report   13
Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations   14
Item 3. Quantitative and Qualitative Disclosures About Market Risk   24
Item 4. Controls and Procedures   24
PART II-OTHER INFORMATION    
Item 2.  Change in Securities and Use of Proceeds   25
Item 4. Submission of Matters to a Vote of Security Holders   25
Item 6. Exhibits and Reports on Form 8-K   25

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ZIX CORPORATION
(A Development Stage Company)

CONDENSED CONSOLIDATED BALANCE SHEETS
(In thousands, except share data)

(Unaudited)

                         
            June 30, 2003   December 31, 2002
           
 
       
ASSETS
               
Current assets:
               
 
Cash and cash equivalents
  $ 7,697     $ 7,586  
 
Marketable securities
    5,254       7,246  
 
Receivables
    460       1,014  
 
Other current assets
    664       1,546  
 
   
     
 
     
Total current assets
    14,075       17,392  
Property and equipment, net
    3,171       3,608  
 
   
     
 
 
  $ 17,246     $ 21,000  
 
   
     
 
   
LIABILITIES AND STOCKHOLDERS’ EQUITY
               
Current liabilities:
               
 
Accounts payable and accrued expenses
  $ 2,110     $ 2,701  
 
Liabilities related to discontinued operations
    240       275  
 
Deferred revenues
    3,092       826  
 
   
     
 
     
Total current liabilities
    5,442       3,802  
Commitments and contingencies
               
Convertible preferred stock:
               
 
Series A convertible preferred stock, $1 par value, 819,886 shares authorized; 616,667 issued and outstanding in 2003 (aggregate liquidation preference $2,540) and 765,559 issued and outstanding in 2002
    2,118       2,252  
 
Series B convertible preferred stock, $1 par value, 1,304,815 shares authorized; 1,037,748 issued and outstanding in 2003 (aggregate liquidation preference $3,926) and 1,246,715 issued and outstanding in 2002
    3,271       3,401  
 
   
     
 
 
    5,389       5,653  
Stockholders’ equity:
               
 
Preferred stock, $1 par value, 7,875,299 shares authorized; none outstanding
           
 
Common stock, $.01 par value, 175,000,000 shares authorized; 25,072,661 issued and 22,745,480 outstanding in 2003 and 22,764,798 issued and 20,437,617 outstanding in 2002
    251       228  
 
Additional capital
    204,194       195,846  
 
Unearned stock-based compensation
    (213 )     (565 )
 
Treasury stock, at cost
    (11,507 )     (11,507 )
 
Accumulated deficit (includes deficit accumulated during the development stage of $186,302 in 2003 and $173,416 in 2002)
    (186,310 )     (172,457 )
 
   
     
 
     
Total stockholders’ equity
    6,415       11,545  
 
   
     
 
 
  $ 17,246     $ 21,000  
 
   
     
 

See accompanying notes.

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ZIX CORPORATION
(A Development Stage Company)

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
(In thousands, except per share data)

(Unaudited)

                                           
                                      Cumulative During
      Three Months   Six Months   Development Stage
      Ended June 30   Ended June 30   (From January 1, 1999
     
 
  Through
      2003   2002   2003   2002   June 30, 2003)
     
 
 
 
 
Revenues
  $ 1,014     $ 303     $ 1,653     $ 692     $ 4,135  
Cost of revenues
    (1,854 )     (2,513 )     (3,614 )     (5,408 )     (42,719 )
Research and development expenses
    (1,219 )     (1,532 )     (2,423 )     (3,596 )     (49,831 )
Selling, general and administrative expenses
    (4,532 )     (4,645 )     (9,055 )     (9,978 )     (102,851 )
Investment and other income
    30       72       71       187       9,240  
Interest expense
                            (2,141 )
Realized and unrealized gain (loss) on investments
    530             530             (5,967 )
 
   
     
     
     
     
 
Loss from continuing operations before income taxes
    (6,031 )     (8,315 )     (12,838 )     (18,103 )     (190,134 )
Income taxes
    (24 )     269       (48 )     269       1,028  
 
   
     
     
     
     
 
Loss from continuing operations
    (6,055 )     (8,046 )     (12,886 )     (17,834 )     (189,106 )
Discontinued operations
          117             117       2,804  
 
   
     
     
     
     
 
Net loss
  $ (6,055 )   $ (7,929 )   $ (12,886 )   $ (17,717 )   $ (186,302 )
 
   
     
     
     
     
 
Basic and diluted earnings (loss) per common share:
                                       
 
Continuing operations
  $ (0.31 )   $ (0.46 )   $ (0.66 )   $ (1.01 )        
 
Discontinued operations
          .01             .01          
 
   
     
     
     
         
 
Net loss
  $ (0.31 )   $ (0.45 )   $ (0.66 )   $ (1.00 )        
 
   
     
     
     
         
Weighted average shares outstanding
    21,152       17,675       20,862       17,619          
 
   
     
     
     
         

See accompanying notes.

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ZIX CORPORATION
(A Development Stage Company)

CONDENSED CONSOLIDATED STATEMENT OF CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS’ EQUITY
(In thousands, except share data)

(Unaudited)

                                                                           
                      Stockholders’ Equity
      Convertible  
      Preferred Stock   Common Stock           Unearned                   Total
     
 
  Additional   Stock-Based   Treasury   Accumulated   Stockholders’
      Shares   Amount   Shares   Amount   Capital   Compensation   Stock   Deficit   Equity
     
 
 
 
 
 
 
 
 
Balance, December 31, 2002
    2,012,274     $ 5,653       22,764,798     $ 228     $ 195,846     $ (565 )   $ (11,507 )   $ (172,457 )   $ 11,545  
 
Exercise of warrants for cash
                386,473       4       1,571                         1,575  
 
Series A convertible preferred stock converted into common stock
    (148,892 )     (524 )     148,728       1       523                         524  
 
Series B convertible preferred stock converted into common stock
    (208,967 )     (707 )     205,904       2       705                         707  
 
Dividends on Series A and Series B convertible preferred stock
          967                                     (967 )     (967 )
 
Common stock and related warrants issued for cash in private placement, net of issuance costs
                1,566,758       16       5,592                         5,608  
 
Unearned stock-based compensation for service providers
                            (27 )     27                    
 
Amortization of unearned stock- based compensation
                                  325                   325  
 
Other
                            (16 )                       (16 )
 
Net loss
                                              (12,886 )     (12,886 )
 
   
     
     
     
     
     
     
     
     
 
Balance, June 30, 2003
    1,654,415     $ 5,389       25,072,661     $ 251     $ 204,194     $ (213 )   $ (11,507 )   $ (186,310 )   $ 6,415  
 
   
     
     
     
     
     
     
     
     
 

See accompanying notes.

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ZIX CORPORATION
(A Development Stage Company)

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS
(In thousands)

(Unaudited)

                               
                          Cumulative During
          Six Months   Development Stage
          Ended June 30   (From January 1, 1999
         
  Through
          2003   2002   June 30, 2003)
         
 
 
Cash flows from operating activities:
                       
 
Loss from continuing operations
  $ (12,886 )   $ (17,834 )   $ (189,106 )
 
Adjustments to reconcile loss from continuing operations to net cash used by operating activities:
                       
   
Depreciation and amortization
    1,702       4,848       33,405  
   
Stock-based compensation
    325       1,670       35,296  
   
Stock issued to Tumbleweed for patents
          762       762  
   
Stock issued to Yahoo! for services
          1,635       1,935  
   
Beneficial conversion feature resulting from the issuance of convertible notes payable
                1,698  
   
Amortization of issuance discount on convertible notes payable
                368  
   
Write-off (recovery) of investment in Maptuit Corporation
    (530 )           4,470  
   
Loss on Lante Corporation common stock
                1,593  
   
Write-off of digital identification certificates
                3,000  
   
Other non-cash expenses
                864  
   
Changes in assets and liabilities, excluding divestiture of businesses:
                       
     
Other assets
    1,436       283       (777 )
     
Current liabilities
    1,540       (600 )     4,092  
 
   
     
     
 
 
Net cash used by continuing operations
    (8,413 )     (9,236 )     (102,400 )
 
Net cash provided (used) by discontinued operations
    (35 )     86       (1,412 )
 
   
     
     
 
     
Net cash used by operating activities
    (8,448 )     (9,150 )     (103,812 )
Cash flows from investing activities:
                       
 
Purchases of property and equipment, net
    (1,146 )     (116 )     (33,955 )
 
Purchases of marketable securities
    (4,982 )     (11,932 )     (204,918 )
 
Sales and maturities of marketable securities
    6,974       13,908       226,872  
 
Recovery from (investment in) Maptuit Corporation
    530             (4,470 )
 
Purchase of Anacom Communications
                (2,500 )
 
Proceeds from sales of businesses, net of cash sold
                5,885  
 
   
     
     
 
     
Net cash provided (used) by investing activities
    1,376       1,860       (13,086 )
Cash flows from financing activities:
                       
 
Proceeds from private placement of common stock and related warrants, net of issuance costs
    5,608             49,392  
 
Proceeds from exercise of stock options or warrants, net of issuance costs
    1,575             5,660  
 
Proceeds from private placement of convertible notes payable and related warrants, net of issuance costs
                7,509  
 
Proceeds from private placement of convertible preferred stock and related warrants, net of issuance costs
                7,781  
 
   
     
     
 
     
Net cash provided by financing activities
    7,183             70,342  
Effect of exchange rate changes on cash and cash equivalents
                (39 )
 
   
     
     
 
Increase (decrease) in cash and cash equivalents
    111       (7,290 )     (46,595 )
Cash and cash equivalents, beginning of period
    7,586       8,857       54,292  
 
   
     
     
 
Cash and cash equivalents, end of period
  $ 7,697     $ 1,567     $ 7,697  
 
   
     
     
 

See accompanying notes.

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ZIX CORPORATION
(A Development Stage Company)

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(Unaudited)

1.   Basis of Presentation

     General

          The accompanying financial statements of Zix Corporation, which should be read in conjunction with the audited consolidated financial statements included in the Company’s 2002 Annual Report to Shareholders on Form 10-K, are unaudited but have been prepared in the ordinary course of business for the purpose of providing information with respect to the interim periods. The Condensed Consolidated Balance Sheet at December 31, 2002 was derived from the audited Consolidated Balance Sheet at that date which is not presented herein. Management of the Company believes that all adjustments necessary for a fair presentation for such periods have been included and are of a normal recurring nature. The results of operations for the six-month period ended June 30, 2003 are not necessarily indicative of the results to be expected for the full year.

          During 1998, the Company sold all of its operating businesses and, accordingly, the assets and liabilities, operating results and cash flows of these businesses have been classified as discontinued operations in the accompanying financial statements.

          Since 1999, the Company has been developing and marketing products and services that bring privacy, security and convenience to Internet users. ZixMail™ is a secure desktop email application that enables Internet users to send and receive encrypted messages to anyone quickly and easily. The Company did not begin to charge for the use of ZixMail until the first quarter of 2001. In 2002, the Company began offering additional products. ZixVPM® (Virtual Private Messenger) is a server-based encryption solution that provides instant security, control and flexibility for inbound and outbound corporate email. ZixAuditor®, a unique assessment service, allows organizations to identify, quantify and report email vulnerabilities and monitor ongoing communications. ZixPort™ provides existing company portals with private and secure communications capabilities while minimizing the impact to existing IT, Web or security infrastructure. In 2003, the Company introduced ZixWorks™, a suite of fully managed hosted services that enables users to send email securely and that protects organizations from viruses, spam, inappropriate content and electronic attack. A development stage enterprise involves risks and uncertainties, and there are no assurances that the Company will be successful in its efforts. Successful growth of a development stage enterprise, particularly Internet-related businesses, is costly and highly competitive. The Company’s growth depends on the timely development and market acceptance of its products and services. In 2002 and the first half of 2003, the Company had no significant revenues and utilization of cash resources continued at a substantial level. At June 30, 2003, the Company’s cash and marketable securities totaled $12,951,000. The Company anticipates further operating losses in 2003, but expects the losses will be less than those incurred in 2002. Non-cash charges in 2003 for stock-based compensation and depreciation and amortization have been substantially less than the corresponding amounts in 2002. The Company’s future cash requirements depend primarily on the market acceptance of its products and services and the timing and magnitude of cash flows generated from new customer orders. Cash flows will also be impacted by capital expenditure requirements, resources devoted to the additional development of products and services and resources devoted to sales and marketing, including discretionary advertising initiatives. The Company expects the market for its products and services to expand as the business community sees the importance of privacy and security for their email communications. However, at least as long as the Company has no significant revenues, the Company will need to raise additional funds to sustain its operations or initiate reductions in operating expenses, or both.

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     Stock Compensation

          As permitted by Statement of Financial Accounting Standards No. 123, “Accounting for Stock-Based Compensation” (“SFAS 123”), the Company accounts for stock-based compensation plans under the provisions of Accounting Principles Board Opinion No. 25, “Accounting for Stock Issued to Employees” (“APB 25”) and related interpretations. SFAS 123 encourages adoption of a fair-value based method for valuing the cost of stock-based compensation; however, it allows companies to continue to use the intrinsic value method under APB 25 and disclose pro forma results and earnings per share in accordance with SFAS 123. Had compensation cost for the Company’s stock-based compensation been determined consistent with SFAS 123, the Company’s net loss and loss per common share would have been as follows:

                                   
      Three Months ended June 30   Six Months ended June 30
     
 
      2003   2002   2003   2002
     
 
 
 
Net loss, as reported
  $ (6,055,000 )   $ (7,929,000 )   $ (12,886,000 )   $ (17,717,000 )
Add stock compensation expense recorded under the intrinsic value method
          143,000             1,254,000  
Deduct pro forma stock compensation expense computed under the fair value method
    (1,091,000 )     (2,131,000 )     (2,335,000 )     (1,407,000 )
 
   
     
     
     
 
Pro forma net loss
  $ (7,146,000 )   $ (9,917,000 )   $ (15,221,000 )   $ (17,870,000 )
 
   
     
     
     
 
Basic and diluted loss per common share:
                               
 
As reported
  $ (0.31 )   $ (0.45 )   $ (0.66 )   $ (1.00 )
 
   
     
     
     
 
 
Pro forma
  $ (0.36 )   $ (0.56 )   $ (0.78 )   $ (1.01 )
 
   
     
     
     
 

     Loss per common share

          The amounts presented for basic and diluted loss per common share in the accompanying statements of operations have been computed by dividing the losses applicable to common stock by the weighted average number of common shares outstanding. The two presentations are equal in amounts because the assumed exercise of common stock equivalents would be antidilutive, because a loss from continuing operations was reported for each period presented. In calculating the basic and diluted loss per common share for the three-month and six-month periods ending June 30, 2003, the Company’s loss from continuing operations and net loss have been increased by $473,000 and $967,000, respectively, representing the preferred stock dividends associated with the Series A and B convertible preferred stocks.

2.   Convertible Preferred Stock and Stockholders’ Equity

     Private Placement of Common Stock and Warrants

          In June 2003, the Company completed private placements whereby the Company received an aggregate of $5,750,000 in cash in exchange for 1,566,758 shares of common stock and warrants to purchase 231,855 shares of common stock. The shares of common stock were sold at a price of $3.67 per share and the warrants have an exercise price of $4.96 per share. The warrants are currently exercisable and expire in June 2007. The Company has filed to register resales of these securities with the Securities and Exchange Commission.

     Private Placement of Convertible Equity Securities

          In September 2002, the Company completed private placements whereby the Company received an aggregate of $16,000,000 in cash in exchange for convertible notes, two separate series of convertible redeemable preferred stock and warrants to purchase the Company’s common stock.

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          Issuance and Conversion of Convertible Notes

          The Company issued $8,000,000 in Convertible Notes (“Notes”) with a coupon rate of 6.5% to institutional investors. As part of this placement, the Note holders received immediately exercisable warrants to purchase 386,473 shares of the Company’s common stock at a price per share of $4.14 for a period of three years. The Note holders had the right at any time to convert the Notes into shares of the Company’s common stock at a conversion price of $3.78 per share. In the fourth quarter of 2002, the Note holders converted the Notes and related accrued interest into 2,141,811 shares of the Company’s common stock, and the Company recorded an increase to common stock and additional capital equivalent to the carrying value of the converted debt.

          In March 2003, the Company and the former Note holders entered into an agreement providing for the exercise of the Note holder’s existing warrants, subject to certain conditions, and the Company’s issuance of replacement warrants to such Note holders. The Note holders were obligated, subject to certain conditions, to exercise all or any portion of their warrants to purchase 386,473 shares of the Company’s common stock at a price per share of $4.14 on each business day following a trading day on which the weighted average market price of the Company’s common stock was at least $4.50 per share. The extent to which a Note holder had to exercise warrants on such trading day was based on the daily trading volume in the common stock. The Note holders were also permitted to exercise all or any portion of their warrants at any time, or from time-to-time, regardless of the market price or trading volume of the common stock. The intention of the parties was that the replacement warrants would have substantially the same economic value to the Note holders as the existing warrants that had been exercised, based on the application of a Black-Scholes formula. The number of shares of common stock covered by the replacement warrants was calculated based on the Black-Scholes formula applied at the time of each exercise of existing warrants; however, the replacement warrants had an exercise price of $5.00 per share of common stock, subject to adjustment for certain events. During March 2003 warrants to purchase 80,574 shares of the Company’s common stock for $334,000 were exercised and during April 2003 warrants to purchase the remaining 305,899 shares of the Company’s common stock for $1,266,000 were exercised, requiring the Company to issue replacement warrants to purchase 455,017 shares of the Company’s common stock at a price per share of $5.00. Separately, as a result of the Company’s private placement in June 2003, and certain anti-dilution provisions of the replacement warrants, the price per common share pursuant to these replacement warrants was reduced from $5.00 to $3.61 and the number of common shares available for purchase was increased from 455,017 to 630,217.

          Issuance and Partial Conversion of Series A Convertible Preferred Stock

          The Company received total proceeds of $3,250,000 in exchange for shares of a newly created Series A Convertible Preferred Stock (“Series A”) and warrants to purchase 288,244 shares of the Company’s common stock. The warrants to purchase shares of the Company’s common stock issued to the Series A investors have a current exercise price per share of $4.47, became exercisable in March 2003 and expire in September 2006. Series A investors were comprised of Antonio R. Sanchez, Jr., a former director and 11.5% beneficial owner of the Company’s common stock, and related entities; John A. Ryan, the Company’s chairman, president and chief executive officer; and David P. Cook, founder of the Company, who invested $2,000,000, $750,000 and $500,000, respectively. The Series A accrues cumulative dividends at the rate of 6.5% per annum and, subject to the terms of a voting agreement between the Company and Series A investors, votes on an as-converted basis. Series A investors have the right, at any time, to convert their preferred shares and accrued dividends into shares of the Company’s common stock at a current conversion price of $4.10 per share of common stock and the Company, under certain circumstances, has the right to require such conversion if the Company’s common stock trades above $6.18 for specified periods. The Series A was initially convertible into 780,085 shares of the Company’s common stock. Subsequently, in September 2002, $213,000 of Series A was converted into 51,690 shares of the Company’s common stock and in January 2003, $281,000 of Series A was converted into 68,323 shares of the Company’s common stock.

          Unless previously converted, beginning May 2003, and every two months thereafter until September 2004, a pro rata amount of the Series A and related accrued dividends will be automatically converted into shares

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of the Company’s common stock at a conversion price of $3.92 per share of common stock unless the then-current market price of the Company’s common stock is less than $3.92, at which time the Series A investors may elect to defer such conversion to the next bi-monthly redemption date. In May 2003, $315,000 of Series A and related accrued dividends was redeemed by the Company by issuing 80,405 shares of the Company’s common stock. In September 2004, at maturity, the Company will redeem any outstanding Series A by issuing the Company’s common stock utilizing its then current market value or by paying cash, at the sole discretion of the Company.

          Upon their issuance, the fair value of the warrants issued to the Series A investors, aggregating $960,000 using the Black-Scholes option pricing model, was recorded as an increase to additional capital with an offsetting reduction in the carrying value of the Series A. At June 30, 2003, the carrying value of the $2,417,000 in outstanding Series A was $2,118,000. The unamortized issuance discount of $299,000 at June 30, 2003 represents the sum of the $960,000 in warrant value and the issuance costs allocated to the Series A preferred stock totaling $71,000, reduced by cumulative Series A dividends of $605,000 and $127,000 for the unamortized issuance discount associated with the Series A previously converted. The carrying value of the Series A is being accreted, as preferred stock dividends, to their redemption value plus accrued dividends at 6.5% based upon their expected redemption dates using the effective interest rate method, resulting in an effective dividend rate of 36.4%. When the Series A is converted into shares of the Company’s common stock, the carrying value of the converted preferred stock is eliminated and a corresponding increase is recorded to common stock and additional capital. The convertible securities and related warrants contain various provisions regarding anti-dilution adjustments, early redemption events possibly requiring cash, liquidation preferences, restrictions on the issuance of certain indebtedness and the payment of cash dividends.

          Issuance and Partial Conversion of Series B Convertible Preferred Stock

          The Company received total proceeds of $4,750,000 in exchange for shares of a newly created Series B Convertible Preferred Stock (“Series B”) and warrants to purchase 421,284 shares of the Company’s common stock. The warrants to purchase shares of the Company’s common stock issued to the Series B investors have a current exercise price per share of $4.47, became exercisable in March 2003 and expire in September 2006. Series B investors included George W. Haywood, a private investor and 23.3% beneficial owner of the Company’s common stock, who invested $3,450,000. The Series B is non-voting and accrues cumulative dividends at the rate of 6.5% per annum. Series B investors have the right at any time to convert their preferred shares and accrued dividends into shares of the Company’s common stock at a conversion price of $3.78 per share of common stock and the Company, under certain circumstances, has the right to require such conversion if the Company’s common stock trades above $5.67 for specified periods. The Series B was initially convertible into 1,242,680 shares of the Company’s common stock. Subsequently, in December 2002, $212,000 of Series B and related accrued dividends was converted into 56,210 shares of the Company’s common stock and in January 2003, $291,000 of Series B and related accrued dividends was converted into 77,040 shares of the Company’s common stock.

          Unless previously converted, beginning May 2003, and every two months thereafter until September 2004, a pro-rata amount of the Series B will be automatically converted into shares of the Company’s common stock at a conversion price that is equal to the lesser of the Series B conversion price then in effect, or 90% of the fair market value of the common stock at the time of conversion. In May 2003, $487,000 of Series B and related accrued dividends was redeemed by the Company by issuing 128,864 shares of the Company’s common stock.

          Upon their issuance, the fair value of the warrants issued to the Series B investors, aggregating $1,403,000 using the Black-Scholes option pricing model, was recorded as an increase to additional capital with an offsetting reduction in the carrying value of the Series B. At June 30, 2003, the carrying value of the $3,736,000 in outstanding Series B was $3,271,000. The unamortized issuance discount of $465,000 at June 30, 2003 represents the sum of the $1,403,000 in warrant value and the issuance costs allocated to the Series B totaling $81,000, reduced by cumulative Series B dividends of $920,000 and $99,000 for the unamortized issuance discount associated with the Series B previously converted. The carrying value of the Series B is being accreted, as preferred stock dividends, to their redemption value plus accrued dividends at 6.5% based upon their expected redemption dates using the effective interest rate method, resulting in an effective dividend rate of

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36.4%. When the Series B is converted into shares of the Company’s common stock, the carrying value of the converted preferred stock is eliminated and a corresponding increase is recorded to common stock and additional capital. The convertible securities and related warrants contain various provisions regarding anti-dilution adjustments, early redemption events possibly requiring cash, liquidation preferences, restrictions on the issuance of certain indebtedness and the payment of cash dividends.

3.   Revenues and Significant Customer

          Revenues are recorded when services are rendered. Subscription fees received from customers in advance are recorded as deferred revenue and recognized as revenues ratably over the subscription period. Presently, the Company’s subscription service includes the delivery of licensed software, customer support and secure email solutions. The customer generally is provided an appliance with pre-installed software or contractually subscribes to data center resident service capability and capacity. Subscriptions to date have generally been annual non-refundable contracts with no automatic renewal provisions. The subscription period begins on the date specified by the parties.

          Revenues for the first half of 2003 and 2002 included $234,000 per quarter (28% and 68% of total revenues for the respective six-month periods) resulting from the pro-rata recognition of certain minimum payments associated with the Company’s Marketing and Distribution Agreement with Entrust Inc. (“Entrust”). Pursuant to the agreement, although there have been no product revenues associated with the 2001 integration of the ZixMail service option into the Entrust/Express® product, Entrust paid the Company a $1,000,000 guaranteed minimum payment in January 2003 and was scheduled to make additional payments of $1,250,000 in January 2004 and $1,500,000 in January 2005. These minimum payments aggregating $3,750,000 were being recognized as revenue ratably over the four year maximum service period ending in December 2005. Subsequent to June 30, 2003, the parties terminated this agreement. See Note 6.

4.   Investment in Maptuit

          In 2001, the Company recorded an impairment write-off for all of its $5,000,000 related party investment in Maptuit Corporation (“Maptuit”). In October 2002, in connection with the requirements of a $6,000,000 financing package executed by Maptuit, the Company exchanged its $5,000,000 debt and equity position in Maptuit for $154,000 in cash, a non-interest bearing $900,000 subordinated promissory note due in 2006 and two million shares of common stock of Maptuit. In June 2003, the Company exchanged the $900,000 subordinated promissory note and one million shares of common stock of Maptuit for $530,000 in cash and, on January 15, 2004, the Company can require Maptuit to purchase the remaining one million shares of Maptuit’s common stock for $70,000 in cash. Any additional recovery of the Company’s investment in Maptuit will be recorded in the Company’s consolidated financial statements at the time cash is received.

5.   Recent Accounting Pronouncement

          In May 2003, the Financial Accounting Standards Board (“FASB”) issued Statement of Financial Accounting Standards No. 150 “Accounting for Certain Financial Instruments with Characteristics of both Liabilities and Equity” (“SFAS 150”). SFAS 150 establishes standards for classifying and measuring as liabilities certain financial instruments that embody obligations of the issuer and have characteristics of both liabilities and equity. One of the instruments that SFAS 150 requires an issuer to classify as a liability is a financial instrument issued in the form of shares, that is mandatorily redeemable, or that embodies an unconditional obligation requiring the issuer to redeem the instrument by transferring its assets at a specified or determinable date (or dates) or upon an event that is certain to occur.

          The Company will adopt SFAS 150 on July 1, 2003 and has determined SFAS 150 will have no effect on its results of operations or its financial position because investors in the Company’s Series A and Series B Convertible Preferred Stocks have the right at any time to convert their preferred shares and accrued dividends into shares of the Company’s common stock at specified conversion prices. Because of the investor’s right of conversion, the Company does not have an unconditional obligation to redeem the Series A or the Series B

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Convertible Preferred Stocks. Therefore, these financial instruments will continue to be classified in the Company’s condensed consolidated balance sheets as quasi or mezzanine equity.

6.   Subsequent Events

          In July 2003, the Company and Entrust mutually agreed to terminate their November 2000 Marketing and Distribution Agreement (the “Marketing Agreement”), since the Marketing Agreement as structured no longer served their respective business interests. In connection with the termination of the Marketing Agreement, Entrust paid the Company $700,000 and the scheduled minimum guaranteed payments to have been made in 2004 and 2005, totaling $2,750,000, were cancelled. As a result of the termination of this contract, revenues for the third quarter of 2003 will include approximately $296,000, which represents the final revenues to be recognized under this contract.

          In June 2001, the Company entered into an agreement with AOS Technologies, Inc. (“AOS”), formerly AlphaOmega Soft Co., Ltd., amended in 2002, whereby AOS became the exclusive distributor in Japan for certain of the Company’s services, including ZixMail and ZixVPM, through 2004. Pursuant to the distribution agreement, the Company has received minimum payments totaling $300,000, $288,000 of which are included in deferred revenues on the Company’s condensed consolidated balance sheet at June 30, 2003. In July 2003, after assessing the additional product and service requirements necessary to compete successfully in Japan and AOS’s failure to pay scheduled installment payments when due, the Company terminated the exclusive distributorship agreement. As a result of the termination of this contract, revenues for the third quarter of 2003 will include $288,000, which represents the final revenues to be recognized under this contract and AOS’s scheduled future minimum payments totaling $900,000 were cancelled.

          In July 2003, the Company acquired substantially all of the assets of Ohio-based PocketScript, LLC (“PocketScript”), a leading provider of electronic prescription solutions for the healthcare industry. This acquisition will enable the Company to expand its services into the e-prescription marketplace, which is expected to grow dramatically as more physicians are leveraging technology in delivering care, coupled with the fact that the number of prescriptions written annually in the Unites States continues to increase. Total consideration for the acquired assets of PocketScript was approximately $1,500,000, including 362,903 shares of the Company’s common stock valued at $1,350,000.

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Independent Accountants’ Review Report

Board of Directors
Zix Corporation

We have reviewed the accompanying condensed consolidated balance sheet of Zix Corporation as of June 30, 2003, and the related condensed consolidated statements of operations for the three-month and six-month periods ended June 30, 2003 and 2002, and the condensed consolidated statements of cash flows for the six-month periods ended June 30, 2003 and 2002, and the condensed consolidated statement of convertible preferred stock and stockholders’ equity for the six-month period ended June 30, 2003. These financial statements are the responsibility of the Company’s management.

We conducted our reviews in accordance with standards established by the American Institute of Certified Public Accountants. A review of interim financial information consists principally of applying analytical procedures to financial data, and making inquiries of persons responsible for financial and accounting matters. It is substantially less in scope than an audit conducted in accordance with auditing standards generally accepted in the United States, which will be performed for the full year with the objective of expressing an opinion regarding the financial statements taken as a whole. Accordingly, we do not express such an opinion.

Based on our reviews, we are not aware of any material modifications that should be made to the accompanying condensed consolidated financial statements referred to above for them to be in conformity with accounting principles generally accepted in the United States.

We have previously audited, in accordance with auditing standards generally accepted in the United States, the consolidated balance sheet of Zix Corporation as of December 31, 2002, and the related consolidated statements of operations, convertible preferred stock and stockholders’ equity, and cash flows for the year then ended (not presented herein) and in our report dated March 5, 2003, we expressed an unqualified opinion on those consolidated financial statements. In our opinion, the information set forth in the accompanying condensed consolidated balance sheet as of December 31, 2002, is fairly stated, in all material respects, in relation to the consolidated balance sheet from which it has been derived.

         
Dallas, Texas /s/  Ernst & Young LLP  
July 18, 2003        

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ITEM 2.

MANAGEMENT’S DISCUSSION AND ANALYSIS OF
FINANCIAL CONDITION AND RESULTS OF OPERATIONS

Overview

          In 1998 and prior years, the Company provided systems and solutions for the intelligent transportation, electronic security and other markets. The Company’s operations included the design, manufacturing, installation and support of hardware and software products utilizing the Company’s wireless data and security technologies. The Company determined in 1998 that the Company’s businesses were low margin and the markets in which they operated were approaching maturity. Accordingly, the Company decided to exit its then-current businesses, and during 1998 it sold all of its operating units. The Company then began evaluating new Internet-related business opportunities — which it deemed to offer more promising prospects for growth and profitability than the previous businesses.

          The Company perceived a need for products and services to bring privacy, security and convenience to Internet communications and since January 1999, the Company has been developing and marketing products and services that bring privacy, security and convenience to Internet users. In the first quarter of 2001, the Company began charging for the use of ZixMail, its initial product in the secure e-messaging space, and began focusing its sales and marketing efforts exclusively toward the business market. In 2002, the Company significantly expanded its portfolio of commercial products and services, and rebuilt its sales and marketing work force under new executive leadership. The Company has targeted the healthcare sector, where the legislated mandates of the Health Insurance Portability and Accountability Act, a 1996 law that requires Protected Health Information to be safeguarded over open networks, are driving demand. The privacy regulations for this law took effect in April 2003. Our strategy has included an active marketing campaign of direct mail, print and on-line advertising, and educational Webinars. The Company has also been the organizer of the HealthyEmail™, an organization created to promote the safe use of and provide guidelines for the utilization of email in healthcare. As part of this program, the Company has made available up to two million ZixMail licenses for doctors and two of their staff members throughout the United States, at no cost for a two-year period.

          The foundation of the Company’s business model for its current set of products and services centers around the financial leverage expected to be generated by revenues that are believed to be predominantly recurring in nature and an efficient cost structure for its secure data center operations, the core of which is expected to remain relatively stable. For financial accounting purposes, subscription fees will generally be recognized as revenue on a prorated basis over the length of the subscription period, usually one year. Subscription fees are generally expected to be collected annually at the beginning of the subscription period.

          A development stage enterprise involves risks and uncertainties, and there are no assurances that the Company will be successful in its efforts. Successful growth of a development stage enterprise, particularly Internet-related businesses, is costly and highly competitive. The Company’s growth depends on the timely development and market acceptance of its products and services. In 2002 and the first half of 2003, the Company had no significant revenues and utilization of cash resources continued at a substantial level. The Company anticipates further operating losses in 2003, but expects the losses will be less than those incurred in 2002. Non-cash charges in 2003 for stock-based compensation and depreciation and amortization have been substantially less than the corresponding amounts in 2002.

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Results of Operations

     Continuing Operations

       Revenues

          Revenues increased from $303,000 and $692,000 for the three months and six months ended June 30, 2002, to $1,014,000 and $1,653,000 for the corresponding periods in 2003. Subscription fees received from customers in advance are recorded as deferred revenue and recognized as revenues ratably over the subscription period. The increase in revenues from 2002 to 2003 was primarily due to increased amortization of subscription fees generated from new U.S. corporate customers in the healthcare sector. The Company’s end-user order backlog as of June 30, 2003 has grown to approximately $5,400,000, up from approximately $3,700,000 as of March 31, 2003, which includes deferred revenues on the Company’s consolidated balance sheet. Approximately 40% of this backlog is expected to be recognized as revenue over the remaining two quarters of 2003.

          Revenues in the 2002 and 2003 periods include quarterly revenues of $234,000 resulting from the pro-rata recognition of certain minimum payments associated with the Company’s Marketing and Distribution Agreement (the “Marketing Agreement”) with Entrust Inc. (“Entrust”). Pursuant to the agreement, although there have been no product revenues associated with the 2001 integration of the ZixMail service option into the Entrust/Express® product, Entrust paid the Company a $1,000,000 guaranteed minimum payment in January 2003 and was scheduled to make additional payments of $1,250,000 in January 2004 and $1,500,000 in January 2005. These minimum payments aggregating $3,750,000 were being recognized as revenue ratably over the four-year maximum service period ending in December 2005. Subsequently, in July 2003, the Company and Entrust mutually agreed to terminate their Marketing Agreement since the Marketing Agreement as structured no longer served their respective business interests. In connection with the termination of the Marketing Agreement, Entrust paid the Company $700,000 and the scheduled minimum guaranteed payments to have been made in 2004 and 2005, totaling $2,750,000 were cancelled. As a result of the termination of this contract, revenues for the third quarter of 2003 will include approximately $296,000, which represents the final revenues to be recognized under this contract. Additionally, in July 2003, after assessing the additional product and service agreements necessary to compete successfully in Japan and the failure of AOS Technologies, Inc. (“AOS”), formerly AlphaOmega Soft Co., Ltd., to pay scheduled installment payments when due, the Company terminated the exclusive distributorship agreement. As a result of the termination of this contract, revenues for the third quarter of 2003 will include previous guaranteed minimum payments received under this contract of $288,000, which represents the final revenues to be recognized under this contract and AOS’s scheduled future minimum payments totaling $900,000 were cancelled. Separately, in March 2002, the Company cancelled its agreement with 911 Computer Co., Ltd. (“911”), its exclusive distributor in South Korea, for failure to pay scheduled installment payments when due. As a result, the $100,000 minimum payment previously received from 911 is included in first quarter 2002 revenues.

       Cost of revenues

          Cost of revenues decreased from $2,513,000 and $5,408,000 for the three months and six months ended June 30, 2002 to $1,854,000 and $3,614,000 for the corresponding periods in 2003. The net decreases are due primarily to a reduction in depreciation and amortization of property and equipment of $1,363,000 for the three month periods and $2,706,000 for the six months periods resulting from certain data center equipment becoming fully depreciated. These decreases were partially offset by personnel additions totaling $475,000 and $834,000 for the three month and six month periods, respectively and the utilization of outside consultants in the areas of customer support and client services, including professional fees associated with the Company obtaining the AICPA SysTrust™ certification.

       Research and development expenses

          Research and development expenses decreased from $1,532,000 and $3,596,000 for the three months and six months ended June 30, 2002 to $1,219,000 and $2,423,000 for the corresponding periods in 2003. The

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respective net decreases of $313,000 and $1,173,000 are primarily due to a reduction in non-cash charges for depreciation and amortization of property and equipment resulting from certain computer equipment becoming fully depreciated and a one-time charge in the first quarter of 2002 of $762,000 for the cost to license certain patents held by Tumbleweed Communications Corp.

       Selling, general and administrative expenses

          Selling, general and administrative expenses decreased from $4,645,000 and $9,978,000 for the three months and six months ended June 30, 2002 to $4,532,000 and $9,055,000 for the corresponding periods in 2003. Expenses, excluding non-cash charges, increased by $929,000 from $3,376,000 to $4,305,000 for the three month periods, and by $1,971,000 from $6,582,000 to $8,553,000 for the six month periods. For the three month periods, personnel costs increased $584,000 largely due to headcount increases in the sales organization initiated in late 2002 as the Company began expanding its marketing reach into the healthcare community, related increased travel costs of $140,000 for sales personnel and increased discretionary advertising expenditures totaling $168,000. For the six month periods, personnel costs increased $1,067,000 due to the same headcount increases in the sales organization initiated in late 2002, related increased travel costs of $320,000 and increased discretionary advertising expenditures of $454,000, which includes expenditures associated with the Company’s HealthyEmail, Inc. initiative. Non-cash charges for the three month periods decreased by $1,042,000 from $1,269,000 in 2002 to $227,000 in 2003 primarily due to stock-based compensation related to stock option grants to employees declining by $220,000 and $850,000 of non-recurring costs recorded in the second quarter of 2002 related to the Yahoo! Inc. advertising arrangement, which was cancelled in April 2002. Non-cash charges for the six month periods decreased by $2,894,000 from $3,396,000 in 2002 to $502,000 in 2003 primarily due to stock-based compensation related to stock option grants to employees declining by $1,353,000 and $1,600,000 of non-recurring costs recorded in the first six months of 2002 related to the Yahoo! Inc. advertising arrangement.

       Investment and other income

          Investment income decreased from $72,000 and $187,000 for the three months and six months ended June 30, 2002 to $30,000 and $71,000 for the corresponding periods in 2003 primarily due to a decrease in invested cash and marketable securities and lower interest rates.

     Realized and unrealized gain (loss) on investments

          The realized gain on investment in the second quarter of 2003 represents a $530,000 cash payment received from Maptuit Corporation (“Maptuit”). In 2001, the Company recorded an impairment write-off for all of its $5,000,000 related party investment in Maptuit. In October 2002, in connection with the requirements of a $6,000,000 financing package executed by Maptuit, the Company exchanged its $5,000,000 debt and equity position in Maptuit for $154,000 in cash, a non-interest bearing $900,000 subordinated promissory note due in 2006 and two million shares of common stock of Maptuit. In June 2003, the Company exchanged the $900,000 subordinated promissory note and one million shares of common stock of Maptuit for $530,000 in cash and, on January 15, 2004, the Company can require Maptuit to purchase the remaining one million shares of Maptuit’s common stock for $70,000 in cash. Any additional recovery of the Company’s investment in Maptuit will be recorded in the Company’s consolidated financial statements at the time cash is received.

     Income taxes

          The Company’s income tax expense for the three months and six months ended June 30, 2003 was $24,000 and $48,000, respectively. These provisions represent non-U.S. taxes payable as a result of the operations of the Company’s newly established Canadian subsidiary. A current tax benefit of $269,000 was recorded in the second quarter of 2002 due to legislative changes extending the net operating loss carryback period from two years to five years. Income taxes on the loss from continuing operations in 2002 and 2003 is different from the U.S. statutory rate of 34%, primarily due to unbenefitted U.S. losses. The Company has fully reserved its net deferred tax assets in 2002 and 2003 due to the uncertainty of future taxable income. There may be limitations on the Company’s ability

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to fully utilize its substantial net operating loss carryforwards against any future taxable income, including potential limitations due to ownership changes as defined in Section 382 of the Internal Revenue Code.

       Loss from continuing operations

          As a result of the foregoing, the Company experienced losses from continuing operations of $8,046,000 and $17,834,000 for the three months and six months ended June 30, 2002, respectively, as compared to losses of $6,055,000 and $12,886,000 for the corresponding periods of 2003.

       Discontinued Operations

          The Company recorded a gain of $117,000 in the second quarter of 2002 due to a reduction in estimated future costs for various indemnification issues associated with the disposal of its remaining operating businesses in 1998.

Liquidity and Capital Resources

          At June 30, 2003, the Company’s principal source of liquidity was its net working capital position of $8,633,000, including cash and marketable securities of $12,951,000. The Company plans to continue to invest its excess cash primarily in short-term, high-grade U.S. corporate debt securities, U.S. government and agency securities or money market funds. The Company’s loss from continuing operations in the first half of 2003 included significant non-cash expenses, aggregating $2,027,000, consisting of depreciation and amortization and stock-based compensation. Net cash used by continuing operations for the first half of 2003 was $8,413,000 as compared to $9,236,000 for the first half of 2002, primarily representing continued development and operating costs relating to establishing the Company’s Internet-related business.

          The Company currently has no significant revenues and utilization of cash resources continues at a substantial level. The Company anticipates further losses in 2003, therefore its near-term liquidity will be negatively impacted as the Company continues its development stage activities. In the third quarter of 2003, the Company plans to implement a program whereby non-executive employees will be paid certain incentive compensation, such as sales commissions, with the Company’s common stock rather than in cash. During 2002, 2001 and 2000 purchases of property and equipment totaled $845,000, $1,174,000 and $7,625,000, respectively. The recent trend for a reduced level of additions to property and equipment has reversed in 2003 as expected, evidenced by purchases of property and equipment totaling $1,146,000 in the first half of 2003, as the Company upgrades certain computer hardware in its data center and acquires computer equipment to satisfy customer orders for the Company’s products and services, primarily ZixVPM and ZixWorks. Pursuant to the termination of the reseller and distributor agreements with Entrust and AOS, the Company received $700,000 in July 2003 and aggregate future minimum payments of $3,650,000 have been cancelled.

          In June 2003, the Company completed private placements whereby the Company received an aggregate of $5,750,000 in cash in exchange for 1,566,758 shares of common stock and currently exercisable warrants to purchase 231,855 shares of common stock. The shares of common stock were sold at a price of $3.67 per share and the warrants have an exercise price of $4.96 per share. Separately, in June 2003, the Company exchanged the $900,000 subordinated promissory note due in 2006 and one million shares of common stock of Maptuit for $530,000 in cash, and on January 15, 2004, the Company can require Maptuit to purchase the remaining one million shares of Maptuit’s common stock for $70,000 in cash.

          In September 2002, the Company completed private placements for $16,000,000 through the issuance of $8,000,000 of Convertible Notes and associated warrants, $3,250,000 of Series A Convertible Preferred Stock and associated warrants and $4,750,000 of Series B Convertible Preferred Stock and associated warrants. In the fourth quarter of 2002, all of the Convertible Notes were converted into 2,141,811 shares of our common stock. During the fourth quarter of 2002 and the first quarter of 2003, $991,000 in Series A and Series B Convertible Preferred Stock and related accrued dividends were converted into 253,263 shares of the Company’s common stock and during the second quarter of 2003, pursuant to the redemption provisions of the convertible preferred

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stock, $802,000 in Series A and Series B Convertible Preferred Stock and related accrued dividends were redeemed by the Company by issuing 209,269 shares of the Company’s common stock. Additionally, pursuant to a March 2003 warrant exercise and replacement agreement with the former Convertible Note holders, the Company received proceeds of $1,600,000 in March and April 2003 resulting from the exercise of the former Convertible Note holders’ 386,473 warrant shares at $4.14 per common share. Pursuant to the agreement, the Company issued replacement warrants covering 455,017 common shares at an exercise price of $5.00 per share; however, certain anti-dilutive provisions of the replacement warrants coupled with the Company’s private placement in June 2003 has reduced the exercise price per share to $3.61 and increased the applicable number of the Company’s common shares to 630,217. At June 30, 2003, the remaining securities were convertible and exercisable, in the aggregate, into approximately 2,939,000 shares of the Company’s common stock. Upon the occurrence of certain events, the Company is either permitted or required to redeem outstanding shares of Convertible Preferred Stock for cash rather than issue additional shares of its common stock. Separately, at June 30, 2003, there are additional currently exercisable warrants and stock options to acquire approximately 7,274,000 shares of the Company’s common stock, which if exercised would result in a significant level of new funding for the Company.

          The Company’s future cash requirements depend primarily on the market acceptance of our products and services and the timing and magnitude of cash flows generated from new customer orders. Cash flows will also be impacted by capital expenditure requirements, resources devoted to the additional development of our products and services and resources devoted to sales and marketing including discretionary advertising initiatives. The Company expects the market for its products and services to expand as the business community sees the importance of privacy and security for their email communications. Based upon the level of new business expected the rest of the year and the Company’s increased level of cash and marketable securities resulting from the Company’s June 2003 private placement, the Company believes it has adequate cash resources in 2003 to expand its business. However, at least as long as the Company has no significant revenues, the Company will need to raise additional funds to sustain its operations or initiate reductions in operating expenses, or both.

          The Company will continue to consider various capital funding alternatives to strengthen its financial position. These capital funding alternatives could involve one or more types of equity securities, including convertible debt, common or convertible preferred stock and warrants to acquire common or preferred stock. Such equity securities could be issued at or below the then-prevailing market price for shares of the Company’s common stock. The Company currently has no existing borrowings or credit facilities. There can be no assurances that the Company will be able to raise additional capital on satisfactory terms if and when needed.

Risks and Uncertainties

     As a development stage company, we have no significant revenues, and we continue to use significant amounts of cash.

          Since 1999, we have been developing and marketing products and services that bring privacy, security and convenience to Internet users. Successful development of a development stage enterprise is costly and highly competitive. A development stage enterprise involves risks and uncertainties, and there are no assurances that we will be successful in our efforts. We currently have no significant revenues and utilization of cash resources continues at a substantial level. ZixCorp anticipates further losses in 2003.

     The market may not broadly accept our products and services, which would prevent us from operating profitably.

          We must be able to achieve broad market acceptance for our products and services in order to operate profitably. We have not yet been able to do this. To our knowledge, there are currently no secure e-messaging management and protection businesses similar to ours that currently operate at the scale that we would require, at our current expenditure levels and proposed pricing, to become profitable. There is no assurance that our products and services will become generally accepted or that they will be compatible with any standards that become generally accepted, nor is there any assurance that enough paying users will ultimately be obtained to

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enable us to operate profitably.

     Competition in the secure e-messaging business is expected to increase, which could cause our business to fail.

          Our solutions are targeted to the secure e-messaging management and protection services market. Although there are many large, well-funded participants in the information technology security industry, few currently participate in the secure e-messaging management and protection services market. Our primary competitors in this market are Authentica, BrightMail, ClearSwift, Critical Path, FrontBridge, MessageLabs, PostX, Sigaba Corporation, and Tumbleweed Communications Corp. We believe that the secure e-messaging management and protection services market is immature, and, for the most part, unpenetrated, unlike many segments of the information technology security industry — which are saturated. After several years of infrastructure development and product development, we believe that we are the only provider that has made the investments necessary to successfully penetrate the relatively untapped secure e-messaging management and protection services market. We do not believe that our primary competitors have made the infrastructure and development investments required to match our service offerings. Nevertheless, others may, over time, make the necessary investments in infrastructure and service offerings. These competitors may develop new technologies that are perceived as being more secure, effective or cost efficient than our own. If we are not successful in exploiting the technology advantage we believe we currently hold, these competitors could successfully garner a significant share of the market, to the exclusion of our company. Furthermore, increased competition could result in pricing pressures, reduced margins or the failure of our business to achieve or maintain market acceptance, any of which could harm our business.

     Our inability to develop and introduce new products and related services and to implement technological changes could harm our business.

          The emerging nature of the secure e-messaging management and protection services business and its rapid evolution, require us continually to develop and introduce new products and services and to improve the performance, features and reliability of our existing products and services, particularly in response to competitive offerings. To date, we have achieved no significant revenues from the sale of any of our products and related services.

          We also have under development new feature sets for our current product line and are considering new secure e-messaging products. The success of new or enhanced products and services depends on several factors — primarily, market acceptance. We may not succeed in developing and marketing new or enhanced products and services that respond to competitive and technological developments and changing customer needs. This could harm our business.

     If the market for secure e-messaging management and protection services does not continue to grow, demand for our products and services will be adversely affected.

          The market for secure Internet e-messaging is at an early stage of development. Continued growth of the secure e-messaging management and protection services market will depend to a large extent on the market recognizing the need for secure e-messaging communications. Failure of this market to grow could reduce demand for our products and services, which would harm our business.

     Capacity limits on our technology and network hardware and software may be difficult to project, and we may not be able to expand and upgrade our systems to meet increased use, which would result in reduced revenues.

          While we have ample through-put capacity to handle our customers’ requirements for the medium term, at some point we may be required to expand and upgrade our technology and network hardware and software. We may not be able to accurately project the rate of increase in usage on our network. In addition, we may not be able to expand and upgrade, in a timely manner, our systems and network hardware and software capabilities to

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accommodate increased traffic on our network. If we do not timely and appropriately expand and upgrade our systems and network hardware and software, we may lose customers and revenues.

          Security interruptions to our secure data center could disrupt our business, and any security breaches could expose us to liability and negatively impact customer demand for our products and services.

          Our business depends on the uninterrupted operation of our secure data center. We must protect this center from loss, damage or interruption caused by fire, power loss, telecommunications failure or other events beyond our control. Any damage or failure that causes interruptions in our secure data center operations could materially harm our business, financial condition and results of operations.

          In addition, our ability to issue digitally-signed certified time-stamps and public encryption codes in connection with our products and services depends on the efficient operation of the Internet connections between customers and our data center. We depend on Internet service providers efficiently operating these connections. These providers have experienced periodic operational problems or outages in the past. Any of these problems or outages could adversely affect customer satisfaction.

          Furthermore, it is critical that our facilities and infrastructure remain secure and the market perceives them to be secure. Despite our implementation of network security measures, our infrastructure may be vulnerable to physical break-ins, computer viruses, attacks by hackers and similar disruptions from unauthorized tampering with our computer systems. In addition, we are vulnerable to coordinated attempts to overload our systems with data, resulting in denial or reduction of service to some or all of our users for a period of time. We do not carry insurance to compensate us for losses that may occur as a result of any of these events; therefore, it is possible that we may have to use additional resources to address these problems.

          Messages sent through our ZixPort™ and ZixMessage Center™ messaging portals will reside, for a user-specified period of time, in our secure data center network. Any physical or electronic break-ins or other security breaches or compromises of this information could expose us to significant liability, and customers could be reluctant to use our Internet-related products and services.

          We determined in June 2001 that credit card databases at our independently operated subsidiary, Anacom Communications, Inc. (“Anacom”), had been improperly accessed. As a result of this improper access, we shut down the Anacom operations and Anacom ceased doing business. The ZixMail™, ZixPort, and ZixMessage Center systems and our secure data center operations were entirely separate from the systems operated by Anacom. No ZixCorp technologies or operations were involved in the incident, nor are the Anacom technologies involved being used in our Zix family of secure e-messaging products and services. Accordingly, this breach has not had, and will not have, any effect on the development and deployment of our secure e-messaging products and related services. No claims have been asserted against us with respect to this incident. We are unable to assess the amount of liability, if any, to Anacom or us, which may result from any claims that may be asserted.

     We may have to defend our rights in intellectual property that we use in our products and services, which could be disruptive and expensive to our business.

          We may have to defend our intellectual property rights or defend against claims that we are infringing the rights of others. Intellectual property litigation and controversies are disruptive and expensive. Infringement claims could require us to develop non-infringing products or enter into royalty or licensing arrangements. Royalty or licensing arrangements, if required, may not be obtainable on terms acceptable to us. Our business could be significantly harmed if we are not able to develop or license the necessary technology. Furthermore, it is possible that others may independently develop substantially equivalent intellectual property, thus enabling them to effectively compete against us.

     Our products and services could contain unknown defects or errors.

          We subject our products and services to quality assurance testing prior to product release. To date, we

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have not become aware after product release of any defect or error that materially affects their functionality. Nevertheless, our products and services could contain undetected defects or errors. This could result in loss of or delay in revenues, failure to achieve market acceptance, diversion of development resources, injury to our reputation, litigation claims, increased insurance costs or increased service and warranty costs. Any of these could prevent us from implementing our business model and achieving the revenues we need to operate profitably.

     Public key cryptography technology is subject to risks.

          Our products and services employ, and future products and services may employ, public key cryptography technology. With public key cryptography technology, a public key and a private key are used to encrypt and decrypt messages. The security afforded by this technology depends, in large measure, on the integrity of the private key, which is dependent, in part, on the application of certain mathematical principles. The integrity of the private key is predicated on the assumption that it is difficult to mathematically derive the private key from the related public key. Should methods be developed that make it easier to derive the private key, the security of encryption products using public key cryptography technology would be reduced or eliminated and such products could become unmarketable. This could require us to make significant changes to our products, which could damage our reputation and otherwise hurt our business. Moreover, there have been public reports of the successful decryption of certain encrypted messages. This, or related, publicity could adversely affect public perception of the security afforded by public key cryptography technology, which could harm our business.

     We depend on key personnel.

          We depend on the performance of our senior management team — including our chairman, president and chief executive officer, John A. Ryan, and his direct reports and other key employees, particularly highly skilled technical personnel. Our success depends on our ability to attract, retain and motivate these individuals. There are no binding agreements with any of our employees which prevent them from leaving our company at any time. There is competition for these personnel. In addition, we do not maintain key person life insurance on any of our personnel. The loss of the services of any of our key employees or our failure to attract, retain and motivate key employees could harm our business.

     We could be affected by government regulation.

          Exports of software products using encryption technology are generally restricted by the U.S. government. Although we have obtained U.S. government approval to export our products to almost all countries in the world, the list of countries to which our products cannot be exported could be revised in the future. Furthermore, some foreign countries impose restrictions on the use of encryption products, such as our products. Failure to obtain the required governmental approvals would preclude the sale or use of our products in international markets.

     Our stock price may be volatile.

          The market price of our common stock has fluctuated significantly in the past and is likely to fluctuate in the future. Also, the market prices of securities of other Internet-related companies have been highly volatile and, as is well known, have generally declined substantially and broadly.

     Our directors and executive officers own a substantial percentage of our securities. Their ownership could allow them to exercise significant control over corporate decisions and to implement corporate acts that are not in the best interests of our shareholders as a group.

          Our directors and executive officers beneficially own shares of our securities that represent approximately 22.0% of the combined voting power eligible to vote on matters brought before our shareholders, including securities and associated warrants beneficially owned by Antonio R. Sanchez, Jr., a former director and father of a current director (Antonio R. Sanchez III), and current beneficial owner of approximately 11.5% of our

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outstanding common stock, and John A. Ryan, our chairman, president and chief executive officer. Also, Mr. Sanchez and Mr. Ryan collectively beneficially own approximately 81.8% of the Series A Convertible Preferred Stock. The consent of the holders of the Series A Convertible Preferred Stock, voting separately as a class, is required before we may enter into mergers or other business combination transactions. Therefore, our directors and executive officers, if they acted together, could exert substantial influence over matters requiring approval by our shareholders. These matters would include the election of directors and, as noted above, the approval of mergers or other business combination transactions. This concentration of ownership and voting power may discourage or prevent someone from acquiring our business.

     A private investor owns a large percentage of our outstanding stock and could significantly influence the outcome of actions.

          George W. Haywood, a private investor, beneficially owns approximately 23.3% of our outstanding common stock. Furthermore, Mr. Haywood and an IRA for the benefit of Mr. Haywood beneficially own approximately 81.2% of our Series B Convertible Preferred Stock. The consent of the holders of the Series B Convertible Preferred Stock, voting separately as a class, is required before we may enter into mergers or other business combination transactions. Therefore, Mr. Haywood could exert substantial influence over all matters requiring approval by our shareholders, including the election of directors and, as noted above, the approval of mergers or other business combination transactions. Mr. Haywood’s interests may not be aligned with the interests of our other shareholders.

     Our recent private placements of equity securities could further dilute the interests of our shareholders.

          In September 2002, we completed a capital funding for $16,000,000 through the issuance of $8,000,000 of convertible notes and associated warrants, $3,250,000 of Series A Convertible Preferred Stock and associated warrants and $4,750,000 of Series B Convertible Preferred Stock and associated warrants. The convertible notes were converted into 2,141,811 shares of our common stock and $1,800,000 in convertible preferred stock and related dividends has been converted into 462,532 shares of our common stock. At June 30, 2003, the remaining convertible preferred stock and the related warrants and the warrants currently held by the former holders of the convertible notes was convertible and exercisable, in the aggregate, into approximately 2,939,000 shares of our common stock.

          One-ninth of the shares of our Series A Convertible Preferred Stock and our Series B Convertible Preferred Stock are to be redeemed at two-month intervals, beginning May 2003. The periodic redemption amounts payable to the holders of Series A Convertible Preferred Stock and Series B Convertible Preferred Stock are paid in shares of our common stock.

          Unless earlier converted or redeemed, the value of the common stock used to determine the number of shares of common stock to be issued upon redemption of shares of Series A Convertible Preferred Stock at the final redemption date (that is, September 2004) will be the lesser of $3.92 per share and the market value of the common stock at the time of redemption, based on a closing bid price average formula. If the market price of the common stock declines, the number of shares of common stock issuable to the holders of Series A Convertible Preferred Stock upon such final redemption will increase, perhaps substantially. There is no “floor” on the market value calculation and, therefore, there is no “ceiling” on the number of shares of common stock that may be issuable by us upon the final Series A Convertible Preferred Stock redemption. A substantial decline in the market price of the common stock would result in significant dilution to the existing holders of common stock if the Series A Convertible Preferred Stock shares are redeemed at a substantially lower price or cause us to redeem the Series A Convertible Preferred Stock for cash.

          The value of the common stock used to determine the number of shares of common stock to be issued upon redemption of shares of Series B Convertible Preferred Stock will be the lesser of the Series B conversion price (currently $3.78 per share) and 90% of the market value of the common stock at the time of redemption, based on a volume-weighted average formula. If the market price of the common stock declines, the number of shares of common stock issuable to the holders of Series B Convertible Preferred Stock upon such automatic

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redemptions will increase, perhaps substantially. There is no “floor” on the market value calculation and, therefore, there is no “ceiling” on the number of shares of common stock that may be issuable by us upon a Series B Convertible Preferred Stock redemption. A substantial decline in the market price of the common stock would result in significant dilution to the existing holders of common stock if the Series B Convertible Preferred Stock shares are redeemed at a substantially lower price.

          The Series A and Series B Convertible Preferred Stocks are convertible by the holders into shares of common stock at any time. The Series A Conversion Price is currently $4.10 per share and the Series B conversion price is currently $3.78 per share. The conversion prices could be lowered, perhaps substantially, in a variety of circumstances. In the event we issue, or are deemed to have issued, shares of common stock at a price per share that is less than the conversion prices then in effect (other than certain specified exempt issuances), the conversion prices and the number of shares issuable upon conversion of the Series A and Series B Convertible Preferred Stocks are subject to weighted average anti-dilution adjustment. These anti-dilution adjustments do not have a “floor” that would limit reductions in the conversion price of such shares. Correspondingly, there is no “ceiling” on the number of shares of common stock that may be issuable following such anti-dilution adjustments.

          We issued four-year warrants (first exercisable in March 2003) to the purchasers of Series A and Series B Convertible Preferred Stocks entitling the warrant holders to purchase an aggregate of 709,528 shares of common stock at a current exercise price of $4.47 per share. The exercise price of these warrants is subject to weighted average anti-dilution adjustment in the event we issue, or are deemed to have issued, shares of common stock at a price per share that is less than the exercise price then in effect (other than certain specified exempt issuances). The “floor” on such anti-dilution adjustments is set at $3.92 per share.

          In April 2003, we issued warrants covering 455,017 shares of our stock to the purchasers of the convertible notes in connection with them exercising the warrants issued to them in September 2002, pursuant to which we received $1,600,000. The number of shares of common stock for which these warrants are exercisable and the exercise price of these warrants are subject to full anti-dilution adjustment in the event we issue, or are deemed to have issued, shares of common stock at a price per share that is less than the exercise price then in effect (other than certain specified exempt issuances). These anti-dilution adjustments do not have a “floor” that would limit reductions in the exercise price and there is no “ceiling” on the number of shares of common stock that may be issuable following such anti-dilution adjustments. A June 2003 private placement of common stock and warrants (see Note 2 to the condensed consolidated financial statements) resulted in a decrease in the price per common share pursuant to these warrants, from $5.00 to $3.61 per share, and an increase in the number of common shares issuable upon exercise of the warrants from 455,017 to 630,217 shares.

     Further issuances of equity securities may be dilutive to current shareholders.

          At some point in the foreseeable future we may determine to seek additional capital funding. This capital funding could involve one or more types of equity securities, including convertible debt, common or convertible preferred stock and warrants to acquire common or preferred stock. Such equity securities could be issued at or below the then-prevailing market price for our common stock. In addition, we incentivize employees and attract new employees by issuing options to purchase our shares of common stock. Therefore, the interest of our existing shareholders could be diluted by future stock option grants to employees and any equity securities issued in capital funding financings.

     Stock sales and hedging activities could affect our stock price.

          Our stock price may decrease as a result of the additional number of shares that will become available in the market due to the issuances of our common stock in connection with the capital funding transactions we recently completed. Such stock price decrease could encourage short-sales that could place further downward pressure on our stock price. This could lead to further increases in the already large short position in our common stock (6,247,656 shares as of June 13, 2003). An increase in the volume of sales of our common stock, whether short sales or not, could cause the market price of our common stock to decline. The effect of these activities on our stock price could increase the number of shares required to be issued on the next applicable redemption of the

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Series A Convertible Preferred Stock and the Series B Convertible Preferred Stock.

     We may have liability for indemnification claims arising from the sale of our previous businesses in 1998 and 1997.

          We disposed of our previous operating businesses in 1998 and 1997. In selling those businesses, we agreed to provide customary indemnification to the purchasers of those businesses for breaches of representations and warranties, covenants and other specified matters. Although we believe that we have adequately provided for future costs associated with these indemnification obligations, indemnifiable claims could exceed our estimates.

     We may encounter other unanticipated risks and uncertainties in the secure e-messaging management and protection services market or in developing new products and services, and we cannot assure you that we will be successful in responding to any unanticipated risks or uncertainties.

          There are no assurances that we will be successful or that we will not encounter other, and even unanticipated, risks. We discuss other operating, financial or legal risks or uncertainties in our periodic filings with the Securities and Exchange Commission (we refer to it as the “SEC”). We are, of course, also subject to general economic risks.

NOTE ON FORWARD-LOOKING STATEMENTS AND RISK FACTORS

          This document contains “forward-looking statements” within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended (we refer to it as the “Exchange Act”). All statements other than statements of historical fact are “forward-looking statements” for purposes of federal and state securities laws, including: any projections of future business, market share, earnings, revenues or other financial items; any statements of the plans, strategies and objectives of management for future operations; any statements concerning proposed new products, services or developments; any statements regarding future economic conditions or performance; any statements of belief; and any statements of assumptions underlying any of the foregoing. Forward-looking statements may include the words “may,” “will,” “predict,” “plan,” “should,” “goal,” “estimate,” “intend,” “continue,” “believe,” “expect” or “anticipate” and other similar words. Such forward-looking statements may be contained in the “Risks and Uncertainties” section above, among other places.

          Although we believe that the expectations reflected in any of our forward-looking statements are reasonable, actual results could differ materially from those projected or assumed in any of our forward-looking statements. Our future financial condition and results of operations, as well as any forward-looking statements, are subject to change and to inherent risks and uncertainties, such as those disclosed in this document. We do not intend, and undertake no obligation, to update any forward-looking statement.

ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

          For the six-month period ended June 30, 2003, the Company did not experience any material changes in market risk exposures with respect to its cash investments and marketable securities that affect the quantitative and qualitative disclosures presented in the Company’s 2002 Annual Report to Shareholders on Form 10-K.

ITEM 4. CONTROLS AND PROCEDURES

          An evaluation was carried out under the supervision and with the participation of the Company’s management, including its Chief Executive Officer and Chief Financial Officer, of the effectiveness of the design and operation of the Company’s disclosure controls and procedures (as defined in Rule 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934) as of June 30, 2003. Based upon that evaluation, the Chief Executive Officer and Chief Financial Officer concluded that the design and operation of these disclosure controls and procedures were effective. There have been no significant changes in the Company’s internal controls or in other factors that could significantly affect these controls subsequent to the date of their evaluation.

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PART II - OTHER INFORMATION

ITEM 2. CHANGE IN SECURITIES AND USE OF PROCEEDS

          On June 24, 2003, the Company entered into a Securities Purchase Agreement with certain institutional investors pursuant to which the Company issued and sold 1,566,758 shares (the “Shares”) of its common stock, par value $0.01 per share (“Common Stock”), at a purchase price of $3.67 per share. In connection with such financing, the Company also issued warrants (the “Warrants”; and together with the Shares, the “Securities”) to the investors to purchase 231,855 shares of Common Stock with an exercise price of $4.96 per share.

          The gross proceeds received from this financing were $5,750,000. Net proceeds of the financing are expected to be used for working capital purposes.

          The Securities were issued without registration under the Securities Act of 1933, as amended (the “Act”), in a private placement effected in reliance on the exemptions from such registration afforded by Rule 506 of Regulation D promulgated under the Act and Section 4(2) of the Act.

ITEM 4. SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS

          The Company held its annual meeting of shareholders on May 6, 2003. At this meeting, the shareholders elected as directors of the Company, Michael E. Keane, James S. Marston, John A. Ryan, Antonio R. Sanchez III and Dr. Ben G. Streetman. The tabulation of votes with respect to the election of directors is as follows:

                 
Nominee   Shares For   Shares Withheld

 
 
Michael E. Keane
    20,094,357       142,966  
James S. Marston
    20,094,082       143,241  
John A. Ryan
    19,961,883       275,440  
Antonio R. Sanchez III
    19,886,594       350,729  
Dr. Ben G. Streetman
    20,093,835       143,488  

          The shareholders voted to increase the number of shares of common stock available for grant under the 2001 Stock Option Plan from 1,500,000 to 2,525,000 shares. The tabulation of votes with respect to the change in the number of shares available for grant is as follows:

         
For
    18,792,890  
Against
    1,346,393  
Abstain
    98,040  

ITEM 6. EXHIBITS AND REPORTS ON FORM 8-K

  a.   Exhibits

      The following is a list of exhibits filed as part of this Quarterly Report on Form 10-Q:

      Description of Exhibits

             
      4.1     Securities Purchase Agreement, dated June 24, 2003, by and among Zix Corporation and the investors named therein (including schedules but excluding exhibits). (1)
             
      4.2     Form of Warrant, dated June 24, 2003, to purchase shares of common stock of Zix Corporation, issued by Zix Corporation. (1)

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      4.3     Registration Rights Agreement, dated June 24, 2003, by and among Zix Corporation and the investors named therein. (1)
             
      15.1     Letter from independent accountants regarding unaudited interim financial information.
             
      31.1     Certification of Chief Executive Officer pursuant to Rule 13a-14(a) under the Securities Exchange Act of 1934, as amended.
             
      31.2     Certification of Chief Financial Officer pursuant to Rule 13a-14(a) under the Securities Exchange Act of 1934, as amended.
             
      32.1     Certification of John A. Ryan, Chief Executive Officer, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
             
      32.2     Certification of Steve M. York, Chief Financial Officer, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.


(1)   Incorporated by reference from Zix Corporation’s Current Report on Form 8-K, dated June 25, 2003.

  b.   Reports on Form 8-K

      The Company filed the following reports on Form 8-K during the three months ended June 30, 2003:

  1.   The Company filed a report on Form 8-K on April 25, 2003 reporting its financial results for the quarter ended March 31, 2003.
 
  2.   The Company filed a report on Form 8-K on June 26, 2003 reporting a private placement.

      The Company recently filed reports on Form 8-K on July 7, 2003 reporting the termination of a marketing and distribution agreement with Entrust, Inc. and on July 23, 2003 relating to the asset acquisition of PocketScript, LLC

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SIGNATURE

          Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

         
      ZIX CORPORATION  
      (Registrant)  
         
Date: July 25, 2003   By: /s/ Steve M. York  
     
 
      Steve M. York  
      Senior Vice President, Chief Financial  
      Officer, and Treasurer  
      (Principal Financial Officer and  
      Duly Authorized Officer)  

 


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INDEX TO EXHIBITS

      Description of Exhibits

             
      4.1     Securities Purchase Agreement, dated June 24, 2003, by and among Zix Corporation and the investors named therein (including schedules but excluding exhibits). (1)
             
      4.2     Form of Warrant, dated June 24, 2003, to purchase shares of common stock of Zix Corporation, issued by Zix Corporation. (1)
             
      4.3     Registration Rights Agreement, dated June 24, 2003, by and among Zix Corporation and the investors named therein. (1)
             
      15.1     Letter from independent accountants regarding unaudited interim financial information.
             
      31.1     Certification of Chief Executive Officer pursuant to Rule 13a-14(a) under the Securities Exchange Act of 1934, as amended.
             
      31.2     Certification of Chief Financial Officer pursuant to Rule 13a-14(a) under the Securities Exchange Act of 1934, as amended.
             
      32.1     Certification of John A. Ryan, Chief Executive Officer, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
             
      32.2     Certification of Steve M. York, Chief Financial Officer, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.


(1)   Incorporated by reference from Zix Corporation’s Current Report on Form 8-K, dated June 25, 2003.