VISTA INFORMATION SOLUTIONS INC
8-K, 1998-08-10
BUSINESS SERVICES, NEC
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                                   UNITED STATES
                         SECURITIES AND EXCHANGE COMMISSION
                              Washington, D.C. 20549
                                          
                                          
                                      FORM 8-K
                                          
                                   CURRENT REPORT
                                          
       Pursuant To Section 13 Or 15(d) Of The Securities Exchange Act Of 1934
                                          
Date of Report (Date of earliest event reported) July 24, 1998
 
                        VISTA Information Solutions, Inc.
              (Exact name of registrant as specified in charter)
                                          

            Delaware                     0-20312               41-1293754  
 (State or other jurisdiction   (Commission File Number)  (IRS Employer
 of incorporation)                                        Identification No.)

5060 Shoreham Place, #300, San Diego, CA                            92122
(Address of principal executive offices)                          (Zip Code)

Registrant's telephone number, including area code (619) 450-6100

                              Not applicable
     (Former name or former address, if changed since last report)



<PAGE>

ITEM 2.        Acquisition Or Disposition Of Assets

               On July 24, 1998, VISTA Information Solutions, Inc. ("Vista") 
entered into two separate Stock Purchase Agreements providing in the 
aggregate for the immediate acquisition (the "Initial Closing") of 80% of the 
issued and outstanding shares of E/Risk Information Services ("E/Risk"), and 
the acquisition no later than March 1, 2000 of the remaining 20% of the 
shares of E/Risk. Vista acquired the shares of E/Risk from Eric O. 
Freeberg, Stuart Solomon, Eben Calder and Bradley G. Mathews (collectively, 
the "Shareholders"). In exchange for the shares of E/Risk purchased at the 
Initial Closing, Vista paid $1,100,000 in cash and issued an aggregate of 
842,858 shares of Vista Common Stock (having a value of $7,138,000 based on 
the measurement period shortly before the closing) to the Shareholders. The 
purchase price for the remaining 20% of the shares of E/Risk will be 1.6 
times the earnings of E/Risk before interest, taxes, depreciation and 
amortization during the calendar year 1999 or, in the event the closing of 
that purchase is accelerated, for the six full calendar months preceding the 
event causing the acceleration of the purchase. The purchase price for the 
remaining 20% of the shares of E/Risk will be paid in shares of Vista Common 
Stock, with the number of such shares delivered being based upon the market 
prices of Vista Common Stock over a measurement period shortly before the 
closing of that purchase. An aggregate of 133,904 shares of Common Stock 
otherwise deliverable at the Initial Closing have been deposited in an escrow 
to satisfy any claims for indemnification Vista may have during the 180 days 
following the Initial Closing. In addition, for a cash payment of 
$253,634.96 at the Initial Closing Vista acquired from Eric Freeberg a 
Promissory Note with outstanding principal and accrued interest of 
$253,634.96, representing an obligation owed to Mr. Freeberg  by E/Risk. At 
the Initial Closing, Vista also issued an aggregate of 49,830 shares to the 
financial advisor of E/Risk in satisfaction of the amounts owed by E/Risk to 
such advisor at the Initial Closing.

               The amount of the consideration paid for the shares of E/Risk 
and the Promissory Note was based upon arms length negotiation between Vista 
and the respective Shareholders.  The funds used for the acquisition were 
obtained through credit facilities provided to Vista by Silicon Valley Bank.  

ITEM 7.        Financial Statements And Exhibits

                    (a)  Financial statements of business acquired.  
                         To be filed by amendment within 60 days of this report.

                    (b)  Pro forma financial information.
                         To be filed by amendment within 60 days of this report.

                                      2

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                    (c)  Exhibits.


Exhibit                  Description

Exhibit 2.1              Stock Purchase Agreement entered into as of July 24,
                         1998 by and among Vista Information Solutions, E/Risk
                         Information Services, Stuart Solomon, Eben Calder and
                         Bradley Mathews.  Schedules and similar attachments to
                         this Exhibit have not been filed; upon request, Vista
                         will furnish supplementally to the Commission a copy
                         of any omitted schedule.


Exhibit 2.2              Stock Purchase Agreement of July 24, 1998 by and
                         between Vista Information Solutions and Eric Freeberg. 
                         Schedules and similar attachments to this Exhibit have
                         not been filed; upon request, Vista will furnish
                         supplementally to the Commission a copy of any omitted
                         schedule.


                                     SIGNATURES
                                          
               Pursuant to the requirements of the Securities Exchange Act of 
1934, the registrant has duly caused this report to be signed on its behalf 
by the undersigned hereunto duly authorized.

                                        VISTA INFORMATION SOLUTIONS, INC.


Date: August 7, 1998                   By:  /s/ E. S. Hamilton
                                            ------------------------------
                                            E. S. Hamilton
                                             Chief Financial Officer



                                      3

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                                 INDEX OF EXHIBITS
                                          
                                          
Exhibit                   Description

Exhibit 2.1               Stock Purchase Agreement entered into as of July 24,
                          1998 by and among Vista Information Solutions, E/Risk
                          Information Services, Stuart Solomon, Eben Calder and
                          Bradley Mathews.  Schedules and similar attachments
                          to this Exhibit have not been filed; upon request,
                          Vista will furnish supplementally to the Commission a
                          copy of any omitted schedule.


Exhibit 2.2               Stock Purchase Agreement of July 24, 1998 by and
                          between Vista Information Solutions and Eric
                          Freeberg.  Schedules and similar attachments to this
                          Exhibit have not been filed; upon request, Vista will
                          furnish supplementally to the Commission a copy of
                          any omitted schedule.

                                          



                                    4


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                                                                    Exhibit 2.1


                           STOCK PURCHASE AGREEMENT

          This Stock Purchase Agreement (the "Agreement") is entered into as 
of July 24, 1998 (the "Agreement Date") by and among Vista Information 
Solutions, Inc., a Delaware corporation ("Buyer"), E/Risk Information Systems, 
a corporation organized under the laws of California (the "Company"), and Stuart
Solomon, Eben Calder and Bradley G. Mathews (each a "Shareholder" and together 
the "Shareholders").  Buyer, the Company and the Shareholders are referred to 
collectively herein as the "Parties."
                                       

                                    RECITALS

          A.   The Shareholders own an aggregate of two hundred sixteen (216) 
outstanding shares of the capital stock of the Company (the "Company Shares").

          B.   Buyer and all shareholders of the Company other than the 
Shareholders are simultaneously entering into a Stock Purchase Agreement of 
even date herewith (the "Concurrent Agreement") pursuant to which Buyer is 
acquiring all issued and outstanding shares of the Company's Common Stock 
other than the Company Shares to be sold to Buyer hereunder.

          C.   The Company desires to facilitate the transactions contemplated 
by this Agreement and the Concurrent Agreement, and Buyer desires to purchase, 
and the Shareholders desires to sell, the Company Shares for the consideration 
set forth below subject to the terms and conditions of this Agreement.
                                       
                                   AGREEMENT

          NOW, THEREFORE, in consideration of the representations, warranties
and covenants contained herein and other good and valuable consideration, the
receipt and sufficiency of which are hereby acknowledged, the Parties agree as
follows:

                                   ARTICLE I

                          PURCHASE AND SALE OF SHARES

          1.1  THE CLOSINGS.

               (a)  The initial closing of the transactions contemplated by 
this Agreement (the "Initial Closing") shall take place at the offices of 
Gray Cary Ware & Freidenrich LLP, 4365 Executive Drive, Suite 1600, San 
Diego, California 92121 commencing at 11:00 a.m., local time, on July 24, 
1998, or, if all of the conditions to the obligations of the Parties to 
consummate the transactions contemplated hereby have not been satisfied or 
waived by such date, on such mutually agreeable later date as soon as 
practicable after the satisfaction or waiver of all conditions to the 
obligations of the Parties to consummate the transactions contemplated hereby 
(the "Initial Closing Date").  The subsequent closing of the transactions 
contemplated by this Agreement (the "Subsequent Closing") shall take place at 
the offices of Gray Cary Ware & Freidenrich LLP, 4365 Executive Drive, Suite 
1600, San Diego, California 

                                       1

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92121 commencing at 10:00 a.m., local time, on the earlier to occur of (i) 
March 1, 2000 or such mutually agreeable later date as soon as practicable 
thereafter or (ii) within five business days prior to the closing of a Change 
of Control Transaction of Buyer (as defined below) (the "Subsequent Closing 
Date").  

               (b)  Unless otherwise agreed by Buyer and the Shareholders, 
the Initial Closing shall take place simultaneously with the closing of the 
acquisition by Buyer of the additional shares of the issued and outstanding 
capital stock of the Company pursuant to the Concurrent Agreement.

          1.2  PURCHASE OF THE COMPANY SHARES FROM THE SHAREHOLDERS.  Upon 
and subject to the terms and conditions of this Agreement, at the Initial 
Closing each Shareholder shall sell, transfer, convey, assign and deliver to 
Buyer, and Buyer shall purchase, acquire and accept from such Shareholder, 
that number of Company Shares set forth opposite such Shareholder's name on 
SCHEDULE 1 hereto.  Upon and subject to the terms and conditions of this 
Agreement, at the Subsequent Closing each Shareholder shall sell, transfer, 
convey, assign and deliver to Buyer, and Buyer shall purchase, acquire and 
accept from such Shareholder, that number of Company Shares set forth 
opposite such Shareholder's name on SCHEDULE 1 hereto.  

          1.3  ACTIONS AT THE INITIAL CLOSING.  At the Initial Closing:

               (a)  The Company and the Shareholders shall deliver to Buyer 
the various certificates, instruments and documents referred to in Section 
6.2 below;

               (b)  Buyer shall deliver to the Company the various 
certificates, instruments and documents referred to in Section 6.3 below;

               (c)  Each Shareholder shall deliver to Buyer a stock 
certificate(s) representing the Company Shares to be sold by such Shareholder 
at the Initial Closing, duly endorsed for transfer;

               (d)  Buyer shall issue and deliver to each Shareholder a 
certificate, registered in the name of such Shareholder and bearing the 
legend set forth in Section 3.2, representing that number of shares of Common 
Stock of Buyer as is determined by dividing (a) the respective Purchase 
Prices set forth on SCHEDULE 1 by (b) the Fair Market Value (as defined 
below) of one share of Common Stock of Buyer PROVIDED, HOWEVER, that the 
number of shares issuable to each Shareholder hereunder shall be reduced by 
(x) a number determined by dividing (i) the Clareity Allocation for the 
respective Shareholder (as set forth in SCHEDULE 1) by (ii) the Fair Market 
Value of one share of Buyer Common Stock (the aggregate number of shares 
which are not issued to the Shareholders as a result of the operation of this 
proviso (x) are hereinafter referred to as the "Initial Clareity Shares") 
plus (y) the allocation among the Shareholders as set forth on SCHEDULE 1 of 
a total of 15% of the total number of shares of Buyer Common Stock issuable 
pursuant to this Section 1.3(d) (the "Escrow Shares");


                                       2
<PAGE>


               (e)  Subject to receipt of an appropriate investment 
representation letter, Buyer shall issue and deliver to Clareity a 
certificate, registered in the name of Clareity and bearing the legend set 
forth in Section 3.2(b), representing the Initial Clareity Shares;

               (f)  Buyer, the Shareholders and the Escrow Agent (as defined 
therein) shall execute and deliver the Escrow Agreement in substantially the 
form attached hereto as EXHIBIT A (the "Escrow Agreement"), and Buyer shall 
deposit certificates representing the Escrow Shares with the Escrow Agent; and

               (g)  Upon surrender of the Certificates set forth in Section 
1.3(c) the Company shall issue and deliver to Buyer a certificate 
representing the One Hundred Fifty Two and Eight Tenths (152.8) shares of the 
Company's Common Stock sold and transferred to Buyer hereunder, and Buyer 
shall be entered into the share register of the Company as the owner of the 
Company Shares sold by the Shareholders at the Initial Closing pursuant to 
this Agreement.

          1.4  ACTIONS AT THE SUBSEQUENT CLOSING.  At the Subsequent Closing:

               (a)  each Shareholder Selling Company shares at the subsequent 
closing shall deliver to Buyer a stock certificate(s) representing the 
Company Shares to be sold by such Shareholder at the Subsequent Closing (as 
set forth in SCHEDULE 1), duly endorsed for transfer;

               (b)  Buyer shall deliver a total number of shares of Common 
Stock of Buyer as is determined by dividing the Aggregate Earnout Amount (as 
defined below) by the Fair Market Value (as defined below) of one share of 
Common Stock of Buyer. The total number of shares of Common Stock of Buyer 
delivered at the Subsequent Closing shall be allocated between the 
Shareholders selling Company Shares at the Subsequent Closing based on the 
ratio of the number of Company Shares being sold by a Shareholder at the 
Subsequent Closing divided by the total number of Company Shares being sold 
at the Subsequent Closing.  Each Shareholder selling Company Shares at the 
Subsequent Closing shall receive a certificate, registered in the name of 
such Shareholder and bearing the legend set forth in Section 3.2(b), 
representing that number of shares of Common Stock of Buyer resulting from 
the foregoing calculation; PROVIDED, HOWEVER, that the number of shares 
issuable to each Shareholder at the Subsequent Closing shall be reduced by 
the relative percentages as set forth in SCHEDULE 1 (the aggregate number of 
shares which are not issued to the Shareholders as a result of the operation 
of this proviso are hereinafter referred to as the "Subsequent Clareity 
Shares");

               (c)  Subject to receipt of an appropriate investment 
representation letter, Buyer shall issue and deliver a certificate, 
registered in the name of Clareity and bearing the legend set forth in 
Section 3.3(b), representing the Subsequent Clareity Shares; and

               (d)  Upon surrender of the certificates acquired pursuant to 
Section 1.4(a) the Company shall issue and deliver to Buyer a certificate 
representing the Sixty Three and Two Tenths (63.2) shares of the Company's 
Common Stock sold and transferred to Buyer hereunder, and Buyer shall be 
entered into the share register of the Company as the owner of the Company 
Shares sold by the Shareholders at the Subsequent Closing pursuant to this 
Agreement.

                                       3

<PAGE>

          1.5  FAIR MARKET VALUE.  For purposes of this Agreement, the Fair 
Market Value of a share of the Common Stock of Buyer shall be the average 
closing sale price of the Buyer's Common Stock as reported on the Nasdaq 
Stock Market over the ten trading day period ending three days prior to the 
applicable Closing Date.

          1.6  EARNOUT AMOUNT.  The Aggregate Earnout Amount shall mean the 
number determined by multiplying 1.6 by either (i) the EBITDA of the Company 
during calendar year 1999 or (ii) in the event that the Subsequent Closing 
Date is accelerated pursuant to Section 1.1(a)(ii) above, the annualized 
EBITDA of the Company over the six full calendar months preceding the date of 
the Change of Control Transaction of Buyer.  For purposes of this Agreement, 
EBITDA shall mean the earnings of the Company before interest, taxes, 
depreciation and amortization all as determined in accordance with generally 
accepted accounting principles ("GAAP") by the outside independent auditors 
of Buyer.

          1.7  CHANGE OF CONTROL TRANSACTION.  As used in this Agreement, a 
Change of Control Transaction shall be deemed to have occurred in the event 
any of the following occurs with respect to the Buyer: (a) the direct or 
indirect sale or exchange by the shareholders of the Buyer of all or 
substantially all of the stock of the Buyer; (b) a merger or consolidation in 
which the Buyer is a party (other than a merger or consolidation in which 
Buyer is the surviving corporation or a parent corporation of the surviving 
corporation and the shareholders of the Buyer before such merger or 
consolidation retain, directly or indirectly, at least a majority of the 
beneficial interest in the voting stock of the surviving corporation (or the 
parent corporation) after such transaction); or (c) the sale, exchange, or 
transfer of all or substantially all of the assets of the Buyer (other than a 
sale, exchange, or transfer to one or more subsidiary corporations of the 
Buyer).

          1.8  ESCROW FUND.  On the Initial Closing Date, Buyer shall deposit 
with the Escrow Agent certificates representing the Escrow Shares as 
described in Section 1.3(d), for the purpose of securing the indemnification 
obligations of the Shareholders set forth in Article VII of this Agreement.  
The Escrow Shares shall be held by the Escrow Agent under the Escrow 
Agreement pursuant to the terms thereof for a period of 180 days after the 
Initial Closing, subject to retention until then pending claims are resolved.

                                   ARTICLE II

                 REPRESENTATIONS AND WARRANTIES OF THE COMPANY

          In this Agreement, any reference to a "Material Adverse Effect" 
with respect to any entity or group of entities means a material adverse 
effect on the business, assets (including intangible assets), financial 
condition, prospects, or results of operations of such entity and its 
subsidiaries, taken as a whole which is individually in excess of $10,000, 
or, in the aggregate with other individual items, in excess of $25,000.

          In this Agreement, any reference to a Party's "knowledge," unless 
otherwise qualified, means such Party's actual knowledge after reasonable 
inquiry of its directors, officers, and other management level employees 
reasonably believed to have knowledge of such matters.

                                       4

<PAGE>


          In this Agreement, any reference to the "prospects" of the Company 
or its business, or to the Company's business "as proposed to be conducted," 
means such prospects or business without taking into account the effects of 
the transactions contemplated by this Agreement and the Concurrent Agreement.

          As used in this Agreement, the word "Subsidiary" means, with 
respect to any Party, any corporation or other organization, whether 
incorporated or unincorporated, of which (i) such Party or any other 
Subsidiary of such Party is a general partner (excluding partnerships, the 
general partnership interests of which held by such Party or any Subsidiary 
of such Party do not have a majority of the voting interest in such 
partnership) or (ii) at least a majority of the securities or other interests 
having by their terms ordinary voting power to elect a majority of the Board 
of Directors or others performing similar functions with respect to such 
corporation or other organization is directly or indirectly owned or 
controlled by such Party or by any one or more of its Subsidiaries, or by 
such Party and one or more of its Subsidiaries.

          Except as disclosed in the disclosure schedule which references the 
specific representations and warranties as to which the exception is made and 
which is provided to Buyer on or before the date of this Agreement (the 
"E/Risk Disclosure Schedule"), the Company and the Shareholders jointly and 
severally represent and warrant to Buyer as follows:

               2.1  ORGANIZATION, STANDING AND POWER.  Each of the Company 
and its Subsidiaries is a corporation duly organized, validly existing and in 
good standing under the laws of the jurisdiction of its incorporation, has 
all requisite corporate power to own, lease and operate its properties and to 
carry on its business as currently being conducted and as currently proposed 
to be conducted, and is duly qualified to transact business and is in good 
standing in each jurisdiction in which the nature of its operations requires 
such qualification, except where the failure to so qualify has not and will 
not have a Material Adverse Effect on the Company. The Company has delivered 
true and correct copies of the Articles of Incorporation and Bylaws of the 
Company and each of its Subsidiaries, each as amended to date, to Buyer. 
Neither the Company nor any of its Subsidiaries is in violation of any of the 
provisions of its [Articles] of Incorporation, Bylaws or other charter 
documents. Except as set forth on the E/Risk Disclosure Schedule, the Company 
does not directly or indirectly own any equity or similar interest in, or any 
interest convertible or exchangeable or exercisable for any equity or similar 
interest in, any corporation, partnership, joint venture or other business 
association or entity.

               2.2  THE COMPANY'S CAPITAL STRUCTURE.

                    (a)  The authorized capital stock of the Company consists 
of One Thousand (1,000) shares of the Company Common Stock.  As of the date 
hereof and the Initial Closing Date, Three Hundred Sixteen (316) shares of 
the Company's Common Stock are and will be issued and outstanding. All such 
outstanding shares of the Company Common Stock (i) are free and clear of all 
liens, claims and encumbrances created by the Company, (ii) have been duly 
authorized, validly issued, fully paid and are nonassessable, (iii) have been 
issued in compliance with all applicable federal and state securities laws, 
and (iv) are subject to no 

                                       5

<PAGE>

preemptive rights or rights of first refusal created by statute, the charter 
documents of the Company or any agreement to which the Company is a party or 
by which it is bound.

          Other than the Three Hundred Sixteen (316) issued and outstanding 
shares of the Company's Common Stock, there are (i) no equity securities of 
any class of the Company, or any securities exchangeable into or exercisable 
for such equity securities, issued, reserved for issuance, or outstanding and 
(ii) no outstanding subscriptions, options, warrants, puts, calls, rights, or 
other commitments or agreements of any character to which the Company is a 
party or by which it is bound obligating the Company to issue, deliver, sell, 
repurchase or redeem, or cause to be issued, delivered, sold, repurchased or 
redeemed, any equity securities of the Company or obligating the Company to 
grant, extend, accelerate the vesting of, change the exercise price of, or 
otherwise amend or enter into any such option, warrant, call, right, 
commitment or agreement. Except for the Concurrent Agreement, there are no 
contracts, commitments or agreements relating to voting, purchase or sale of 
the Company's capital stock to which the Company is a party.

          2.3  AUTHORITY; REQUIRED FILINGS AND CONSENTS.

               (a)  The Company has all requisite corporate power and 
authority to enter into this Agreement and to consummate the transactions 
contemplated hereby. The execution and delivery of this Agreement and the 
consummation of the transactions contemplated hereby have been duly 
authorized by all necessary corporate action on the part of the Company, its 
Board of Directors and its shareholders.  This Agreement and all other 
documents expressly required to be executed and delivered by the Company 
hereunder, (collectively, the "Transaction Documents"), have been or will be 
duly executed and delivered by the Company and constitute or will constitute 
the valid and binding obligations of the Company, enforceable against the 
Company in accordance with their respective terms, except as such 
enforceability may be limited by bankruptcy, insolvency, moratorium or other 
similar laws affecting or relating to creditors' rights generally, and 
general principles of equity.

               (b)  The execution and delivery by the Company of this 
Agreement and the other Transaction Documents to which it is or will be a 
party do not, and the consummation of the transactions contemplated hereby 
and thereby will not, (i) conflict with, or result in any violation or breach 
of any provision of, the [Articles] of Incorporation or Bylaws of the 
Company, (ii) result in any violation or breach of or constitute (with or 
without notice or lapse of time, or both) a default under, or give rise to a 
right of termination, cancellation or acceleration of any obligation or loss 
of any benefit under, any note, mortgage, indenture, lease, contract or other 
agreement or obligation to which the Company is a party or by which the 
Company, or any of its properties or assets may be bound, or (iii) conflict 
with or violate any permit, concession, franchise, license, judgment, order, 
decree, statute, law, ordinance, rule or regulation applicable to the Company 
or any of its properties or assets, except in the case of (ii) and (iii) 
above for any such conflicts, violations, defaults, terminations, 
cancellations or accelerations which would not have a Material Adverse Effect 
on the Company.

                                       6

<PAGE>

               (c)  No consent, approval, order or authorization of, or 
registration, declaration or filing with, any court, administrative agency or 
commission or other governmental authority or instrumentality ("Governmental 
Entity") is required by or with respect to the Company in connection with the 
execution and delivery of this Agreement or the consummation of the 
transactions contemplated hereby, except for such consents, authorizations, 
filings, approvals and registrations which, if not obtained or made, would 
not prevent or materially alter or delay any of the transactions contemplated 
by this Agreement or have a Material Adverse Effect on the Company.

          2.4  FINANCIAL STATEMENTS.  The Company has delivered to Buyer its 
unaudited financial statements as of and for each of the years ended December 
31, [1995,] 1996, and 1997 and for the six months ended June 30, 1998 
(collectively, the "E/Risk Financial Statements"). The E/Risk Financial 
Statements are correct in all material respects and were prepared in 
accordance with GAAP applied on a consistent basis throughout the periods 
involved. The E/Risk Financial Statements present fairly the financial 
position of the Company in all material respects as of the respective dates 
and the results of its operations and cash flows for the periods indicated. 
The Company has maintained a standard system of accounting established and 
administered in accordance with GAAP.

          2.5  ABSENCE OF UNDISCLOSED LIABILITIES.  The Company does not have 
any liabilities, either accrued or contingent (whether or not required to be 
reflected in financial statements in accordance with GAAP), and whether due 
or to become due, other than (i) liabilities reflected or provided for on the 
balance sheet as of June 30, 1998 (the "E/Risk Balance Sheet") contained in 
the E/Risk Financial Statements, (ii) liabilities specifically described in 
this Agreement or the E/Risk Disclosure Schedule, and (iii) normal or 
recurring liabilities incurred since June 30, 1998 in the ordinary course of 
business consistent with past practices.

          2.6  ABSENCE OF CERTAIN CHANGES OR EVENTS.  Since June 30, 1998, 
the Company has conducted its business in the ordinary course and in a manner 
consistent with past practices and, since such date, the Company has not:

               (a)  suffered any event or occurrence that has had a Material 
Adverse Effect on the Company;

               (b)  suffered any damage, destruction or loss, whether covered 
by insurance or not, which in the aggregate has had a Material Adverse Effect 
on the Company;

               (c)  granted any material increase in the compensation payable 
or to become payable by the Company to its officers or employees other than 
increases in the ordinary course of business to employees who are not 
officers;

               (d)  declared, set aside or paid any dividend or made any 
other distribution on or in respect of the shares of its capital stock or 
declared any direct or indirect redemption, retirement, purchase or other 
acquisition of such shares;

                                       7

<PAGE>

               (e)  issued any shares of its capital stock or any warrants, 
rights, or options for, or entered into any commitment relating to such 
capital stock;

               (f)  made any change in the accounting methods or practices it 
follows, whether for general financial or tax purposes, or any change in 
depreciation or amortization policies or rates;

               (g)  sold, leased, abandoned or otherwise disposed of any real 
property, machinery, equipment or other operating property other than in the 
ordinary course of business;

               (h)  sold, assigned, transferred, licensed or otherwise 
disposed of any patent, patent right, trademark, trade name, brand name, 
copyright (or pending application for any patent, trademark or copyright), 
invention, work of authorship, process, know-how, formula or trade secret or 
interest thereunder or other material intangible asset;

               (i)  entered into any material commitment or transaction 
(including without limitation any borrowing) other than commitments or 
transactions entered into in the ordinary course of business that are not 
reasonably likely to have a Material Adverse Effect on the Company;

               (j)  permitted or allowed any of its property or assets to be 
subjected to any new mortgage, deed of trust, pledge, lien, security interest 
or other encumbrance of any kind, except for liens for current taxes not yet 
due and purchase money security interests incurred in the ordinary course of 
business;

               (k)  made any capital expenditure or commitment for additions 
to property, plant or equipment individually in excess of $5,000, or, in the 
aggregate, in excess of $25,000;

               (l)  paid, loaned or advanced any amount to, or sold, 
transferred or leased any properties or assets to, or entered into any 
agreement or arrangement with, any of its officers, directors or shareholders 
or any affiliate of any of the foregoing, other than employee compensation 
and benefits and reimbursement of employment related business expenses 
incurred in the ordinary course of business; or

               (m)  agreed to take any action described in this Section 2.6 
or which would constitute a breach of any of the representations or 
warranties of the Company contained in this Agreement.

          2.7  TAXES.

               (a)  For purposes of this Agreement, a "Tax" or, collectively, 
"Taxes," means any and all federal, state and local taxes of any country, 
assessments and other governmental charges, duties, impositions and 
liabilities, including taxes based upon or measured by gross receipts, 
income, profits, sales, use and occupation, and value added, ad valorem, 
transfer, franchise, withholding, payroll, recapture, employment, excise and 
property 

                                       8

<PAGE>

taxes, together with all interest, penalties and additions imposed with 
respect to such amounts and any obligations under any agreements or 
arrangements with any other person with respect to such amounts and including 
any liability for taxes of a predecessor entity.

               (b)  The Company has prepared and timely filed all returns, 
estimates, information statements and reports required to be filed with any 
taxing authority ("Returns") relating to any and all Taxes concerning or 
attributable to the Company or its operations and such Returns are true and 
correct in all respects and have been completed in all respects in accordance 
with applicable law. 

               (c)  The Company, as of the Closing Date, (i) will have paid 
all Taxes it is required to pay prior to the Closing Date and (ii) will have 
withheld with respect to its employees all Taxes required to be withheld.

               (d)  There is no Tax deficiency outstanding or assessed or 
proposed against the Company that is not reflected as an estimated liability 
on the E/Risk Balance Sheet or set forth on the E/Risk Disclosure Schedule, 
nor has the Company executed any agreements or waivers extending any statute 
of limitations on or extending the period for the assessment or collection of 
any Tax.

               (e)  The Company has no liabilities for unpaid Taxes that have 
not been accrued for or reserved on the E/Risk Balance Sheet, whether 
asserted or unasserted, contingent or otherwise, except for any liabilities 
arising out of the change from cash to accrual accounting.

               (f)  The Company is not a party to any tax-sharing agreement 
or similar arrangement with any other party, or any contractual obligation to 
pay any Tax obligations of, or with respect to any transaction relating to, 
any other person or to indemnify any other person with respect to any Tax.

          2.8  TANGIBLE ASSETS AND REAL PROPERTY.

               (a)  The Company owns or leases all tangible assets and 
properties which are used in the conduct of its business as currently 
conducted or which are reflected on the E/Risk Balance Sheet or were acquired 
since the date of the E/Risk Balance Sheet (the "Material Tangible Assets"). 
The Material Tangible Assets are in good operating condition and repair. The 
Company has good and marketable title to all Material Tangible Assets that it 
owns (except properties, interests in properties and assets sold or otherwise 
disposed of since the date of the E/Risk Balance Sheet in the ordinary course 
of business), free and clear of all mortgages, liens, pledges, charges or 
encumbrances of any kind or character, except as reflected in the E/Risk 
Financial Statements and except for liens for current taxes not yet due and 
payable. Assuming the due execution and delivery thereof by the other parties 
thereto, all leases of Material Tangible Assets to which the Company is a 
party are in full force and effect and valid, binding and enforceable in 
accordance with their respective terms, except as such enforceability may be 
limited by bankruptcy, insolvency, moratorium or other similar laws affecting 
or relating to creditors' rights generally, and general principles of equity 
and except where failure of such 

                                       9

<PAGE>

leases to be in full force and effect and valid, binding and enforceable 
would not have a Material Adverse Effect on the Company. The E/Risk 
Disclosure Schedule sets forth a true and correct list of all such leases, 
and true and correct copies of all such leases have been provided to Buyer.

               (b)  The Company owns no real property. The E/Risk Disclosure 
Schedule sets forth a true and complete list of all real property leased by 
the Company.  Assuming the due execution and delivery thereof by the other 
parties thereto, all such real property leases are in full force and effect 
and valid, binding and enforceable in accordance with their respective terms, 
except as such enforceability may be limited by bankruptcy, insolvency, 
moratorium or other similar laws affecting or relating to creditors' rights 
generally, and general principles of equity. True and correct copies all such 
of real property leases have been provided to Buyer.

          2.9  INTELLECTUAL PROPERTY.

               (a)  The Company owns, or is licensed or otherwise possesses 
legally enforceable rights to use, all patents, trademarks, trade names, 
service marks and copyrights, and any applications for and registrations of 
such patents, trademarks, trade names, service marks, and copyrights and all 
processes, formulas, methods, schematics, technology, know-how, computer 
software programs, data or applications and tangible or intangible 
proprietary information or material that are used in the business of the 
Company as currently conducted, or as currently proposed to be conducted, 
free and clear of all liens, claims or encumbrances (all of which are 
referred to as the "E/Risk Intellectual Property Rights").  The foregoing 
representation as it relates to Licensed Intellectual Property (as defined 
below) is limited to the Company's interest pursuant to licenses from third 
parties, each of which is in full force and effect, is valid, binding and 
enforceable and grants the Company such rights to such intellectual property 
as are used in the business of the Company as currently conducted or 
currently proposed to be conducted.

               (b)  The E/Risk Disclosure Schedule contains an accurate and 
complete description of (i) all patents and patent applications and all 
trademarks, trade names, service marks and registered copyrights included in 
the E/Risk Intellectual Property Rights, including the jurisdictions in which 
each such E/Risk Intellectual Property Right has been issued or registered or 
in which any such application for such issuance and registration has been 
filed, (ii) all licenses and sublicenses, distribution agreements and other 
agreements to which the Company is a party and pursuant to which any person 
is authorized to use any E/Risk Intellectual Property Rights or has the right 
to manufacture, reproduce, market or exploit any product of the Company (a 
"E/Risk Product") or any adaptation, translation or derivative work based on 
any E/Risk Product or any portion thereof, other than nonexclusive end-user 
licenses entered into in the ordinary course of business pursuant to the 
Company's standard forms of license agreement, (iii) all material licenses, 
sublicenses and other agreements to which the Company is a party and pursuant 
to which the Company is authorized to use any third party technology, trade 
secret, know-how, process, patent, trademark or copyright, including software 
("Licensed Intellectual Property"), which is used in the manufacture of, 
incorporated in or forms a part of any E/Risk Product (other than licenses 
for off-the-shelf software used in the conduct of the Company's 

                                      10

<PAGE>

business), (iv) all joint development agreements to which the Company is a 
party, and (v) all agreements with Governmental Entities or other third 
parties pursuant to which the Company has obtained funding for research and 
development activities. 

               (c)  The Company is not, nor will it be as a result of the 
execution and delivery of this Agreement or the performance of its 
obligations under this Agreement, in breach of any material license, 
sublicense or other agreement relating to the E/Risk Intellectual Property 
Rights or Licensed Intellectual Property.

               (d) All patents and registered trademarks, service marks and 
copyrights claimed by or issued to the Company which relate to any E/Risk 
Product are valid and subsisting.  The manufacturing, marketing, licensing or 
sale of any E/Risk Product does not infringe any patent, trademark, service 
mark, copyright, trade secret or other proprietary right of any third party. 
The Company (i) has not received notice that it has been sued in any suit, 
action or proceeding which involves a claim of infringement of any patent, 
trademark, service mark, copyright, trade secret or other proprietary right 
of any third party and (ii) has no knowledge of any claim challenging or 
questioning the validity or effectiveness of any license or agreement 
relating to any E/Risk Intellectual Property Rights or Licensed Intellectual 
Property.

               (e)  All designs, drawings, specifications, source code, 
object code, documentation, flow charts, data and diagrams incorporated, 
embodied or reflected in any E/Risk Product at any stage of its development 
(the "E/Risk Components") were written, developed and created solely and 
exclusively by (i) employees of the Company without the assistance of any 
third party or (ii) third parties who assigned ownership of their rights with 
respect thereto to the Company by means of valid and enforceable agreements, 
which are listed and described in the E/Risk Disclosure Schedule and copies 
of which have been provided to Buyer. The Company has at all times used 
commercially reasonable efforts to protect its trade secrets and has not 
acted in such a manner as to cause the loss of such trade secrets by their 
release into the public domain.

               (f)  The Company has used its best efforts to cause each 
person currently or formerly employed by the Company (including independent 
contractors, if any) that has or had access to confidential information of 
the Company to execute and deliver, and each of the Shareholders has executed 
and delivered, to the Company a confidentiality and non-disclosure agreement 
in one of the Company's standard forms. Neither the execution or delivery of 
any such agreement by any such person, nor the carrying on of the Company's 
business as currently conducted and as currently proposed to be conducted, 
has or will conflict with or result in a breach of the terms, conditions or 
provisions of, or constitute a default under, any contract, covenant or 
instrument under which any of such persons is obligated.

          2.10 BANK ACCOUNTS.  The E/Risk Disclosure Schedule sets forth the 
names and locations of all banks and other financial institutions at which 
the Company maintains accounts of any nature, the type of accounts maintained 
at each such institution and the names of all persons authorized to draw 
thereon or make withdrawals therefrom.

                                      11

<PAGE>

          2.11 CONTRACTS.

               (a)  The Company is not a party or subject to any agreement, 
obligation or commitment, written or oral:

                    (i)    that calls for any fixed or contingent payment or 
expenditure or any related series of fixed or contingent payments or 
expenditures by or to the Company totaling more than $20,000 in any 
twelve-month period;

                    (ii)   with agents, advisors, salesmen, sales 
representatives, independent contractors or consultants;

                    (iii)  that restricts the Company from carrying on 
anywhere in the world its business or any portion thereof as currently 
conducted;

                    (iv)   to provide funds to or to make any investment in 
any other person or entity (in the form of a loan, capital contribution or 
otherwise); 

                    (v)    with respect to obligations as guarantor, surety, 
co-signer, endorser, co-maker, indemnitor or otherwise in respect of the 
obligation of any other person or entity;

                    (vi)   for any line of credit, standby financing, 
revolving credit or other similar financing arrangement; or

                    (vii)  with any distributor, original equipment 
manufacturer, value added remarketer or other person for the distribution of 
any of the E/Risk Products.

               (b)  No party to any such contract, agreement or instrument 
has expressed its intention to any officer of the Company to cancel, 
withdraw, modify or amend such contract, agreement or instrument, nor does 
the Company otherwise know of such an intention.

               (c)  To the best of its knowledge after diligent inquiry by 
its executive officers and directors, the Company is not in default under or 
in breach or violation of, nor is there any valid basis for any claim of 
default by the Company under, or breach or violation by the Company of, any 
contract, commitment or restriction to which the Company is a party or by 
which the Company or any of its properties or assets is bound or affected, 
except where such default or breach would not have a Material Adverse Effect 
on the Company. To the Company's knowledge and to the knowledge of each 
Shareholder, no other party is in default under or in breach or violation of, 
nor is there any valid basis for any claim of default by any other party 
under, or any breach or violation by any other party of, any contract, 
commitment, or restriction to which the Company is a party or by which the 
Company or any of its properties or assets is bound or affected. The Company 
has no reason to believe that it will not be able to comply with the terms or 
conditions of any contract to which it is a party without an increase in its 
technical or personnel resources allocated to such contract compared to the 
resources budgeted by the Company as of the date of this Agreement or any 
other increase in the cost of satisfying any 

                                      12

<PAGE>

covenants or conditions under such contract compared to the costs budgeted by 
the Company as of the date of this Agreement. 

          2.12 LABOR DIFFICULTIES.  The Company is not engaged in any unfair 
labor practice or in violation of any applicable laws respecting employment, 
employment practices or terms and conditions of employment, except where such 
practice or violation would not have a Material Adverse Effect on the 
Company.  There is no unfair labor practice complaint against the Company 
pending or threatened before any Governmental Entity.  There is no strike, 
labor dispute, slowdown, or stoppage pending or threatened against the 
Company. The Company is not now and has never been subject to any union 
organizing activities. The Company has not experienced any work stoppage or 
other labor difficulty. 

          2.12 TRADE REGULATION.  The Company has not terminated its 
relationship with or refused to ship E/Risk Products to any dealer, 
distributor, third party marketing entity or customer which had theretofore 
paid or been obligated to pay the Company in excess of $10,000 over any 
consecutive twelve month period. All of the prices charged by the Company in 
connection with the marketing or sale of any of its products or services have 
been in compliance with all applicable laws and regulations, except for such 
noncompliance that would not have a Material Adverse Effect on the Company. 
No claims have been asserted or, to the Company's knowledge, threatened 
against the Company with respect to the wrongful termination of any dealer, 
distributor or any other marketing entity, discriminatory pricing, price 
fixing, unfair competition, false advertising, or any other material 
violation of any laws or regulations relating to anti-competitive practices 
or unfair trade practices of any kind, and, to the Company's knowledge and to 
the knowledge of each Shareholder, no specific situation, set of facts, or 
occurrence provides any basis for any such claim.

          2.14 ENVIRONMENTAL MATTERS.

               (a)  As of the date hereof, no amount of any substance that 
has been designated by applicable law or regulation to be radioactive, toxic, 
hazardous or otherwise a danger to health or the environment, excluding 
office, janitorial and similar substances (a "Hazardous Material"), is 
present, as a result of the actions of the Company or, to the Company's 
knowledge and to the knowledge of each Shareholder, as a result of any 
actions of any third party or otherwise, in, on or under any property, 
including the land and the improvements, ground water and surface water, that 
the Company has at any time owned, operated, occupied or leased. To the 
knowledge of the Company, no underground storage tanks are present under any 
property that the Company has at any time owned, operated, occupied or leased.

               (b)  At no time has the Company transported, stored, used, 
manufactured, disposed of, released or exposed its employees or others to 
Hazardous Materials (collectively, "Hazardous Materials Activities") in 
violation of any law, rule, regulation or treaty promulgated by any 
Governmental Entity which has had or is likely to have a Material Adverse 
Effect on the Company.

               (c)  The Company currently holds all environmental approvals, 
permits, licenses, clearances and consents (the "Environmental Permits") 
necessary for the 

                                      13

<PAGE>

conduct of its business as such businesses is currently being conducted, the 
absence of which would have a Material Adverse Effect on the Company.

               (d)  No action, proceeding, writ, injunction or claim is 
pending or, to the knowledge of the Company and to the knowledge of each 
Shareholder, threatened concerning any Environmental Permit or any Hazardous 
Materials Activity of the Company. The Company is not aware of any fact or 
circumstance which could reasonably be expected to involve the Company in any 
environmental litigation or impose upon the Company any liability concerning 
Hazardous Materials Activities.

          2.15 EMPLOYEE BENEFIT PLANS.

               (a)  The Company has set forth in the E/Risk Disclosure 
Schedule (i) all employee benefit plans, (ii) all bonus, stock option, stock 
purchase, incentive, deferred compensation, supplemental retirement, 
severance and other similar employee benefit plans, and (iii) all unexpired 
severance agreements, written or otherwise, for the benefit of, or relating 
to, any current or former employee of the Company (individually, an "E/Risk 
Employee Plan," and collectively, the "E/Risk Employee Plans").

               (b)  With respect to each E/Risk Employee Plan, the Company 
has made available to Buyer a true and correct copy of (i) such E/Risk 
Employee Plan and (ii) each trust agreement and group annuity contract, if 
any, relating to such E/Risk Employee Plan.

               (c)  With respect to the E/Risk Employee Plans, individually 
and in the aggregate, no event has occurred, and there exists no condition or 
set of circumstances in connection with which the Company could be subject to 
any liability which would have a Material Adverse Effect on the Company.

               (d)  With respect to the E/Risk Employee Plans, individually 
and in the aggregate, there are no funded benefit obligations for which 
contributions have not been made or properly accrued and there are no 
unfunded benefit obligations which have not been accounted for by reserves, 
or otherwise properly footnoted in accordance with GAAP, on the financial 
statements or books of the Company.

               (e)  The Company is not a party to any oral or written (i) 
union or collective bargaining agreement, (ii) agreement with any officer or 
other key employee of the Company, the benefits of which are contingent, or 
the terms of which are materially altered, upon the occurrence of a 
transaction involving the Company of the nature contemplated by this 
Agreement, (iii) agreement with any officer of the Company providing any term 
of employment or compensation guarantee or for the payment of compensation in 
excess of $100,000 per annum, or (iv) agreement or plan, including any stock 
option plan, stock appreciation right plan, restricted stock plan or stock 
purchase plan, any of the benefits of which will be increased, or the vesting 
of the benefits of which will be accelerated, by the occurrence of any of the 
transactions contemplated by this Agreement or the value of any of the 
benefits of which will be calculated on the basis of any of the transactions 
contemplated by this Agreement.

                                      14

<PAGE>

          2.16 COMPLIANCE WITH LAWS.  The Company has complied with, is not 
in violation of, and has not received any notices of violation with respect 
to, any statute, law or regulation applicable to the ownership or operation 
of its business, except where such non-compliance or violations would not 
have a Material Adverse Effect on the Company.

          2.17 EMPLOYEES AND CONSULTANTS.  The E/Risk Disclosure Schedule 
contains a list of the names of all employees and consultants of the Company 
as of the date of this Agreement and their salaries or wages, other 
compensation, dates of employment and positions.

          2.18 LITIGATION.  There is no action, suit, proceeding, claim, 
arbitration or known investigation pending before any agency, court or 
tribunal or, to the Company's knowledge, threatened against the Company or 
any of its properties or officers or directors (in their capacities as such). 
There is no judgment, decree or order against the Company or, to the 
Company's knowledge or the knowledge of any Shareholder, any of the Company's 
directors or officers (in their capacities as such) that could prevent, 
enjoin or materially alter or delay any of the transactions contemplated by 
this Agreement, or that could reasonably be expected to have a Material 
Adverse Effect on the Company. All litigation to which the Company is a party 
(or, to its knowledge, threatened to become a party) is disclosed in the 
E/Risk Disclosure Schedule.

          2.19 RESTRICTIONS ON BUSINESS ACTIVITIES.  There is no agreement, 
judgment, injunction, order or decree binding upon the Company which has or 
could reasonably be expected to have the effect of prohibiting or materially 
impairing any current or currently proposed business practice of the Company 
or the conduct of business by the Company as currently conducted or as 
currently proposed to be conducted.

          2.20 GOVERNMENTAL AUTHORIZATION.  The Company has obtained each 
governmental consent, license, permit, grant or other authorization of a 
Governmental Entity that is required for the operation of the business of the 
Company (collectively, the "E/Risk Authorizations"), and all of such E/Risk 
Authorizations are in full force and effect, except where failure to obtain 
such consent, license, permit, grant, or other authorization would not have a 
Material Adverse Effect on the Company.

          2.21 INSURANCE.  The E/Risk Disclosure Schedule contains a list and 
description of all insurance policies in effect which are maintained by the 
Company or as to which it is an insured party. There is no material claim 
pending under any of such policies as to which coverage has been questioned, 
denied or disputed by the underwriters of such policies. All premiums due and 
payable under all such policies have been paid, and the Company is otherwise 
in compliance with the terms of such policies.  The Company has no knowledge 
of any threatened termination of, or material premium increase with respect 
to, any of such policies.

          2.22 INTERESTED PARTY TRANSACTIONS.

               (a)  No director, officer or shareholder of the Company has 
any interest in (i) any material equipment or other material property or 
asset, real or personal, tangible or intangible, including, without 
limitation, any of the E/Risk Intellectual Property Rights, used in 
connection with or pertaining to the business of the Company, (ii) any 
creditor, supplier, 

                                      15

<PAGE>

customer, manufacturer, agent, representative, or distributor of any of the 
E/Risk Products, (iii) any entity that competes with the Company, or with 
which the Company is affiliated or has a business relationship, or (iv) any 
material agreement, obligation or commitment, written or oral, to which the 
Company is a party; PROVIDED, HOWEVER, that no such person shall be deemed to 
have such an interest solely by virtue of ownership of less than five percent 
(5%) of the outstanding stock or debt securities of any company whose stock 
or debt securities are traded on a recognized stock exchange or on the Nasdaq 
Stock Market.

               (b)  Except as contemplated by the Transaction Documents and 
the Concurrent Agreement, the Company is not a party to any (i) agreement 
with any officer or other employee of the Company the benefits of which are 
contingent, or the terms of which are materially altered, upon the occurrence 
of a transaction involving the Company in the nature of any of the 
transactions contemplated by this Agreement, or (ii) agreement or plan, 
including, without limitation, any stock option plan, stock appreciation 
right plan or stock purchase plan, any of the benefits of which will be 
increased, or the vesting of benefits of which will be accelerated, by the 
occurrence of any of the transactions contemplated by this Agreement or the 
value of any of the benefits of which will be calculated on the basis of any 
of the transactions contemplated by this Agreement.

          2.23 NO EXISTING DISCUSSIONS.  As of the date hereof, the Company 
is not engaged, directly or indirectly, in any discussions or negotiations 
with any party other than Buyer with respect to any merger, consolidation, 
sale of substantial assets, sale of shares of capital stock or similar 
transactions.

          2.24 REAL PROPERTY HOLDING CORPORATION.  The Company is not a 
"United States real property holding corporation" within the meaning of 
Section 897(c)(2) of the Code.

          2.25 CORPORATE DOCUMENTS.  The Company has furnished to Buyer, or 
its representatives, for its examination (i) copies of its minute book 
containing all records required to be set forth of all proceedings, consents, 
actions, and meetings of the shareholders, the Board of Directors and any 
committees thereof and (ii) to the extent requested by Buyer, all permits, 
orders, and consents issued by any Governmental Entity with respect to the 
Company. The corporate minute books and other corporate records of the 
Company are complete and accurate in all material respects, and the 
signatures of all officers and directors of the Company and the signatures of 
all shareholders and other persons appearing on all documents contained 
therein are the true signatures of the persons purporting to have signed the 
same. All actions reflected in such books and records were duly and validly 
taken in material compliance with the laws of the applicable jurisdiction.

          2.26 SECTION 338(H)(10) ELECTION.  The Company has been an S 
Corporation since inception.  Neither the Company nor any Subsidiary of the 
Company has, in the past ten years, (A) acquired assets from another 
corporation in a transaction in which the Company's Tax basis for the 
acquired assets was determined, in whole or in part, by reference to the Tax 
basis of the acquired assets (or an other property) in the hands of the 
transferor or (B) acquired the stock of any corporation which is a qualified 
subchapter S subsidiary.

                                      16

<PAGE>

          2.27 NO MISREPRESENTATION.  No representation or warranty by the 
Company or the Shareholders in this Agreement, or any written statement, 
certificate or schedule furnished or to be furnished by or on behalf of the 
Company or the Shareholders pursuant to this Agreement, when taken together, 
contains or shall contain any untrue statement of a material fact or omits or 
shall omit to state a material fact required to be stated therein or 
necessary in order to make such statements, in light of the circumstances 
under which they were made, not misleading. The Company has delivered or made 
available to Buyer or its representatives true and complete copies of all 
documents which are referred to in this Article II or in the E/Risk 
Disclosure Schedule.


                                  ARTICLE III

                     FURTHER REPRESENTATIONS AND WARRANTIES
                              OF THE SHAREHOLDERS
                                          
          Each Shareholder, severally and not jointly, represents and 
warrants to Buyer as follows:

          3.1  OWNERSHIP OF STOCK; AUTHORITY.

               (a)  Such Shareholder has good and marketable title, free and 
clear of any and all liens and encumbrances, to all of the Company Shares.  
The Shareholder has the full right, power and authority to transfer, convey 
and sell to Buyer at each Closing the Company Shares to be sold at such 
Closing and, upon consummation of the purchase contemplated hereby, Buyer 
will acquire from such Shareholder good and marketable title to the Company 
Shares to be sold by such Shareholder hereunder, free and clear of all 
covenants, conditions, restrictions, voting trust arrangements, liens, 
charges, encumbrances, options and adverse claims or rights whatsoever.

               (b)  Such Shareholder has all requisite power and authority to 
execute and deliver the Transaction Agreements to which such Shareholder is a 
party and to perform his obligations under such Transaction Agreements.  Such 
Transaction Agreements have each been duly and validly executed and delivered 
by such Shareholder, and each constitutes a valid and binding obligation of 
such Shareholder, enforceable against such Shareholder in accordance with its 
terms, subject to the effect of bankruptcy, insolvency, moratorium or other 
similar laws affecting the enforcement of creditors' rights generally and 
except as the availability of equitable remedies may be limited by general 
principles of equity.

               (c)  Neither the execution and delivery of any or all of the 
Transaction Agreements to which such Shareholder is a party by such 
Shareholder, nor the consummation by such Shareholder of the transactions 
contemplated hereby or thereby, will (i) conflict with, result in a breach 
of, constitute (with or without due notice or lapse of time or both) a default 
under, or require any notice, consent or waiver under, any instrument, contract,
agreement or arrangement to which such Shareholder is a party or by which such 
Shareholder is bound, (ii) result in the 

                                      17

<PAGE>

imposition of any lien or encumbrance upon the Company Shares, or (iii) 
violate any order, writ, injunction or decree applicable to such Shareholder 
or to the Company Shares.

          3.2  INVESTMENT REPRESENTATIONS. 

               (a)  Such Shareholder has been advised that (i) the issuance 
of shares of Buyer Common Stock in connection with this Agreement is expected 
to be effected pursuant to an exemption from registration under the 
Securities Act of 1933, as amended (the "Act"), and the resale of such shares 
will be subject to the restrictions set forth in Rule 144 promulgated under 
the Act unless otherwise transferred pursuant to an effective registration 
statement under the Act or an appropriate exemption from registration, and 
(ii)  such Shareholder is an affiliate of the Company. Such Shareholder 
accordingly agrees not to sell, pledge, transfer or otherwise dispose of any 
Buyer Common Stock issued to Shareholder pursuant to this Agreement unless 
(i) such sale, transfer or other disposition is made in conformity with the 
requirements of Rule 144, (ii) such sale, pledge, transfer or other 
disposition is made pursuant to an effective registration statement under the 
Act or an appropriate exemption from registration or (iii) such Shareholder 
delivers to Buyer a written opinion of counsel, reasonably acceptable to 
Buyer in form and substance, that such sale, pledge, transfer or other 
disposition is otherwise exempt from registration under the Act.

               (b)  Buyer will issue stop transfer instructions to its 
transfer agent with respect to any Buyer Common Stock received by such 
Shareholder pursuant to this Agreement, and there will be placed on the 
certificates representing such Buyer Common Stock, or any substitutions 
therefor, a legend stating in substance:

          THE SECURITIES REPRESENTED BY THIS CERTIFICATE HAVE NOT 
          BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS 
          AMENDED (THE "ACT") AND ARE "RESTRICTED SECURITIES" AS 
          DEFINED IN RULE 144 PROMULGATED UNDER THE ACT.  THE 
          SECURITIES MAY NOT BE SOLD OR OFFERED FOR SALE OR OTHERWISE
          DISTRIBUTED EXCEPT (i) IN CONJUNCTION WITH AN EFFECTIVE 
          REGISTRATION STATEMENT FOR THE SHARES UNDER THE ACT OR
          (ii) IN COMPLIANCE WITH RULE 144, OR (iii) PURSUANT TO AN 
          OPINION OF COUNSEL, THAT SUCH REGISTRATION OR COMPLIANCE 
          IS NOT REQUIRED AS TO SAID SALE, OFFER OR DISTRIBUTION.

The legend set forth above shall be removed (by delivery of a substitute 
certificate without such legend), and Buyer shall so instruct its transfer 
agent, (i) if a registration statement respecting the sale of shares has been 
declared effective under the Act and the shares of Buyer Common Stock have 
been sold pursuant to such registration statement or (ii) if such Shareholder 
delivers to Buyer (A) satisfactory written evidence that the shares have been 
sold in compliance with Rule 144 (in which case, the substitute certificate 
will be issued in the name of the transferee), or 

                                       18

<PAGE>

(B) an opinion of counsel, in form and substance reasonably satisfactory to 
Buyer, to the effect that public sale of the shares by the holder thereof is 
no longer subject to Rule 144.

               (c)  Such Shareholder will hold the Buyer Common Stock for 
investment for Shareholder's own account only and not with a view to, or for 
resale in connection with, any "distribution" thereof within the meaning of 
the Act.

               (d)  Such Shareholder understands that the Buyer Common Stock 
has not been registered under the Act by reason of a specific exemption 
therefrom, which exemption depends upon, among other things, the bona fide 
nature of such Shareholder's investment intent as expressed herein.

          3.3  CLAREITY SHARES.  The issuance of the Initial Clareity Shares 
and the Subsequent Clareity Shares satisfies in full the obligations of the 
Shareholders and the Company to Clareity for finders fees or similar fees 
which arise or may arise as a result of the consummation of the transactions 
contemplated hereby.

                                   ARTICLE IV

                    REPRESENTATIONS AND WARRANTIES OF BUYER

          Buyer represents and warrants to the Company and to the 
Shareholders as follows:

          4.1  ORGANIZATION.  Each of Buyer and Buyer's Subsidiaries is a 
corporation duly organized, validly existing and in good standing under the 
laws of the jurisdiction of its incorporation, has all requisite corporate 
power to own, lease and operate its property and to carry on its business as 
now being conducted and as proposed to be conducted, and is duly qualified to 
transact business and is in good standing as a foreign corporation in each 
jurisdiction in which the failure to be so qualified would have a Material 
Adverse Effect on Buyer. Neither Buyer nor any of its Subsidiaries is in 
violation of any of the provisions of its Certificate of Incorporation, 
Bylaws or other charter documents. Except as set forth in the Vista SEC 
Reports (as defined in Section 4.4), neither Buyer nor any of its 
Subsidiaries directly or indirectly owns any equity or similar interest in, 
or any interest convertible into or exchangeable or exercisable for, any 
corporation, partnership, joint venture or other business association or 
entity.

          4.2  AUTHORITY; NO CONFLICT; REQUIRED FILINGS AND CONSENTS.

               (a)  Buyer has all requisite corporate power and authority to 
enter into this Agreement and the other Transaction Documents to which it is 
or will be a party and to consummate the transactions contemplated hereby and 
thereby. The execution and delivery of this Agreement and the other 
Transaction Documents to which Buyer is or will be a party and the 
consummation of the transactions contemplated hereby and thereby have been 
duly authorized by all necessary corporate action on the part of Buyer. This 
Agreement and the other Transaction Documents to which Buyer is a party have 
been or will be duly executed and delivered by Buyer and constitute or will 
constitute the valid and binding obligations of Buyer, enforceable in 

                                      19

<PAGE>

accordance with their terms, except as such enforceability may be limited by 
bankruptcy laws and other similar laws affecting creditors' rights generally 
and general principles of equity.

               (b)  The execution and delivery by Buyer of this Agreement and 
the other Transaction Documents to which it is or will be a party do not, and 
the consummation of the transactions contemplated hereby and thereby will 
not, (i) conflict with, or result in any violation or breach of any provision 
of the Certificate of Incorporation or Bylaws of Buyer, (ii) result in any 
violation or breach of, or constitute (with or without notice or lapse of 
time, or both) a default under, or give rise to a right of termination, 
cancellation or acceleration of any material obligation or loss of any 
material benefit under, any note, mortgage, indenture, lease, contract or 
other agreement, instrument or obligation to which Buyer is a party or by 
which it or any of its properties or assets may be bound, or (iii) conflict 
with or violate any permit, concession, franchise, license, judgment, order, 
decree, statute, law, ordinance, rule or regulation applicable to Buyer or 
any of its properties or assets, except in the case of (ii) and (iii) for any 
such conflicts, violations, defaults, terminations, cancellations or 
accelerations which would not have a Material Adverse Effect on Buyer.

               (c)  No consent, approval, order or authorization of, or 
registration, declaration or filing with, any Governmental Entity is required 
by or with respect to Buyer or any of its Subsidiaries in connection with the 
execution and delivery of this Agreement or the consummation of the 
transactions contemplated hereby, except for consents, authorizations, 
filings, approvals and registrations which, if not obtained or made, would 
not prevent or materially alter or delay any of the transactions contemplated 
by this Agreement or would not have a Material Adverse Effect on Buyer.

          4.3  NO MISREPRESENTATION.  No representation or warranty by Buyer 
in this Agreement, or any written statement, certificate or schedule 
furnished or to be furnished by or on behalf of Buyer pursuant to this 
Agreement when taken together, contains or shall contain any untrue statement 
of a material fact or omits or shall omit to state a material fact required 
to be stated therein or necessary in order to make such statements, in light 
of the circumstances under which they were made, not misleading.  Buyer has 
delivered or made available to the Company and the Shareholders and their 
respective representatives true and complete copies of all documents which 
are referred to in this Article IV.

          4.4  SEC FILINGS; FINANCIAL STATEMENTS.

               (a)  Buyer has timely filed and made available to the 
Shareholders all forms, reports and documents required to be filed by Buyer 
with the Securities and Exchange Commission (the "SEC") since December 31, 
1996 other than registration statements on Form S-8 (collectively, the "Vista 
SEC Reports"). The Vista SEC Reports (i) at the time filed, complied in all 
material respects with the applicable requirements of the Act, and the 
Securities Exchange Act of 1934, as amended (the "Exchange Act"), as the case 
may be, and (ii) did not at the time they were filed (or if amended or 
superseded by a filing prior to the date of this Agreement, then on the date 
of such filing) contain any untrue statement of a material fact or omit to 
state a material fact required to be stated in such Vista SEC Reports or 
necessary in order to make the 

                                      20

<PAGE>

statements in such Vista SEC Reports, in the light of the circumstances under 
which they were made, not misleading. None of Buyer's Subsidiaries is 
required to file any forms, reports or other documents with the SEC.

               (b)  Each of the consolidated financial statements (including, 
in each case, any related notes) contained in the Vista SEC Reports, complied 
as to form in all material respects with the applicable published rules and 
regulations of the SEC with respect thereto, was prepared in accordance with 
GAAP applied on a consistent basis throughout the periods involved (except as 
may be indicated in the notes to such financial statements or, in the case of 
unaudited statements, as permitted by Form 10-QSB promulgated by the SEC) and 
presented fairly or will present fairly, in all material respects, the 
consolidated financial position of Buyer and its Subsidiaries as at the 
respective dates and the consolidated results of its operations and cash 
flows for the periods indicated, except that the unaudited interim financial 
statements were or are subject to normal and recurring year-end adjustments 
which were not or are not expected to be material in amount. The unaudited 
consolidated balance sheet of Buyer as of June 30, 1998 is referred to herein 
as the "Vista Balance Sheet."

               (c)  Vista is eligible to use Form S-3 for registration of 
outstanding shares to be sold for the account of any person other than Vista.

                                   ARTICLE V

                             ADDITIONAL AGREEMENTS

          5.1  REGISTRATION RIGHTS.

               (a)  Upon receipt after August 24, 1998 of a request by the 
holders of a majority of the Buyer Common Stock issued at the Initial Closing 
other than the Escrow Shares (the "Registrable Securities") to register such 
shares for resale, Buyer shall notify any other persons receiving shares at 
the Initial Closing of such request and permit such other persons to join in 
such registration. Within 30 days, Buyer shall file with the SEC a 
registration statement (the "Registration Statement") on Form S-3 or on such 
other form as is then available under the Securities Act covering the 
Registrable Securities; with respect to such shares, together with any shares 
held by persons who requested (within 10 business days of receipt of the 
notice set forth in the first sentence hereof) their shares to be included in 
such registration, and shall cause such shares of Buyer Common Stock to be 
registered under the Securities Act so as to permit the resale thereof, 
PROVIDED, HOWEVER, that each holder of Registrable Securities ("Holder") 
desiring to participate shall provide all such information and materials to 
Buyer and take all such action as may be reasonably required in order to 
permit Buyer to comply with all applicable requirements of the SEC and to 
obtain any desired acceleration of the effective date of such Registration 
Statement. Such provision of information and materials is a condition 
precedent to the obligations of Buyer pursuant to this Section 5.1. Buyer 
shall not be required to effect more than one registration under this Section 
5.1. The offering made pursuant to such registration shall not be 
underwritten.

                                      21

<PAGE>

               (b)  Notwithstanding Section 5.1(a), Buyer shall be entitled 
to postpone the declaration of effectiveness of the Registration Statement 
prepared and filed pursuant to Section 5.1(a) for a reasonable period of time 
up to thirty (30) calendar days if the Board of Directors of Buyer, acting in 
good faith, determines that there exists material nonpublic information about 
Buyer which the Board does not wish to disclose in a registration statement, 
which information would otherwise be required by the Securities Act to be 
disclosed in the Registration Statement to be filed pursuant to Section 
5.1(a) above. Buyer shall have the right to extend such 30-day postponement 
for up to 10 additional days; PROVIDED, HOWEVER, that  Buyer will use all 
reasonable efforts to limit the initial postponement and any extension to as 
short a period as possible. In each case, Buyer shall furnish the 
Shareholders with a written notice summarizing in reasonable detail the 
material nonpublic information upon which the postponement or extension of 
such postponement is based, which information the Shareholders shall treat as 
confidential.

               (c)  Buyer shall (i) prepare and file with the SEC the 
Registration Statement in accordance with Section 5.1(a) hereof with respect 
to the shares of Registrable Securities desired for inclusion in the 
Registration Statement and shall use all reasonable efforts to cause the 
Registration Statement to become effective as promptly as practicable after 
filing and to keep the Registration Statement effective until one year after 
the Initial Closing Date; and (ii) prepare and file with the SEC such 
amendments and supplements to the Registration Statement and the prospectus 
used in connection therewith as may be necessary, and to comply with the 
provisions of the Securities Act with respect to the sale or other 
disposition of all securities proposed to be registered in the Registration 
Statement until one year after the Initial Closing Date, (iii) furnish to 
each Holder such number of copies of any prospectus (including any 
preliminary prospectus and any amended or supplemented prospectus) in 
conformity with the requirements of the Securities Act, and such other 
documents, as each Holder may reasonably request in order to effect the 
offering and sale of the shares of the Registrable Securities to be offered 
and sold, but only while Buyer shall be required under the provisions hereof 
to cause the Registration Statement to remain current.  In addition, unless 
such sales satisfy applicable exemptions, Buyer shall register or qualify the 
sale of the securities covered by the Registration Statement under the 
California Corporate Securities Law and under the Blue Sky laws of such other 
jurisdictions as may be reasonably requested by any Holder.

               (d)  Notwithstanding any other provision of this Section 5.1, 
Buyer shall have the right at any time to require that all Holders suspend 
further open market offers and sales of Registrable Securities whenever, and 
for so long as, in the reasonable judgment of Buyer in good faith after 
consultation with counsel, there is or may be in existence material 
undisclosed information or events with respect to Buyer (the "Suspension 
Right"). In the event Buyer exercises the Suspension Right, such suspension 
will continue for the period of time reasonably necessary for disclosure to 
occur at a time that is not materially detrimental to Buyer and its 
stockholders or until such time as the information or event is no longer 
material, each as determined in good faith by Buyer after consultation with 
counsel. Buyer will promptly give each Holder participating in such 
registration notice of any such suspension, summarizing in reasonable detail 
the information or events on which such suspension is based, PROVIDED that 
the Holder participating in such registration shall maintain the 
confidentiality of the contents of such 

                                      22

<PAGE>

summary. Buyer will use all reasonable efforts to limit the length of the 
suspension to no more than thirty calendar days, and in no event shall the 
total time during which the Suspension Right is invoked by Buyer exceed 75 
days during the one-year period following the effectiveness of the 
Registration Statement. Buyer agrees to notify the Shareholders promptly upon 
termination of the suspension.

               (e)  If any Holder shall propose to sell any Registrable 
Securities pursuant to the Registration Statement, it shall notify the Chief 
Financial Officer of Buyer of his intent to do so (including the proposed 
manner and timing of all sales) at least two full trading days prior to such 
sale.  At any time within such two-trading-day period, Buyer may refuse to 
permit the Holder to resell any Registrable Securities pursuant to Section 
5.1(d).

               (f)  Buyer shall pay all of the out-of-pocket expenses (other 
than underwriting discounts and commissions, if any, and any fees or 
disbursements of counsel retained by a Holder of Registrable Securities) 
incurred in connection with any registration or qualification of Registrable 
Securities pursuant to this Section 5.1, including, without limitation, all 
registration or qualification and filing fees, Blue Sky fees and expenses, 
printing expenses, transfer agents' and registrars' fees, and the reasonable 
fees and disbursements of Buyer's outside counsel and independent accountants.

               (g)  For any Registrable Securities included in the 
Registration Statement, to the maximum extent permitted by law, Buyer will 
indemnify and hold harmless each Shareholder from and against any losses, 
claims, damages, or liabilities (joint or several) to which they may become 
subject under the Securities Act, the Exchange Act, or other federal or state 
law, insofar as such losses, claims, damages, or liabilities (or actions in 
respect of them) arise out of or are based on any of the following 
statements, omissions, or violations (collectively a "Violation"):

                    (i)    Any untrue statement or alleged untrue statement 
of a material fact contained in the Registration Statement  and any 
amendments or supplements to the Registration Statement;

                    (ii)   The omission or alleged omission to state in the 
Registration Statement a material fact required to be so stated or necessary 
to make the statements in the Registration Statement not misleading; or 

                    (iii)  Any violation or alleged violation by Buyer of the 
Securities Act, the Exchange Act, any state securities law, or any rule or 
regulation promulgated thereunder.

          Buyer will either assume the defense of any action or reimburse 
each Shareholder for any legal or other expenses reasonably incurred by the 
Shareholder in connection with investigating or defending any such loss, 
claim, damage, liability, or action ("Loss"); provided that the indemnity 
agreement contained in this Section 5.1(g) shall not apply to a Shareholder 
to the extent that the Loss arises out of or is based on a Violation that 
occurs in reliance on and in 

                                      23

<PAGE>

conformity with written information furnished expressly for use in connection 
with the Registration Statement by such Shareholder.

               (h)  Buyer agrees to use its best efforts to:

                    (i)    Make and keep public information available, as 
those terms are understood and defined in Rule 144 under the Securities Act, 
at all times after the effective date of the Registration Statement;

                    (ii)   Use its best efforts to file with the SEC in a 
timely manner all reports and other documents required of the Buyer under the 
Securities Act and the Exchange Act and to otherwise continue to qualify for 
the continued use of Form S-3 for the resale of the Registrable Securities; 
and

                    (iii)  So long as any Shareholder owns any Registrable 
Securities which are not subject to an effective Registration Statement and 
until any sale would be eligible under Rule 144(k) promulgated under the 
Securities Act, to furnish to the Shareholder forthwith upon request a 
written statement by Buyer as to its compliance with the reporting 
requirements of Rule 144 under the Securities Act, a copy of the most recent 
annul or quarterly report of Buyer and such other reports and documents of 
Buyer and other information in the possession of or reasonably obtainable by 
Buyer as a Shareholder may reasonably request in availing itself of any rule 
or regulation of the SEC allowing a Shareholder to sell any Registrable 
Securities without registration.

               (i)  The right to cause Buyer to register the Buyer Common 
Stock under this Section 5.1 may be assigned to a transferee or assignee of 
at least 25,000 shares of Buyer Common Stock reasonably acceptable to Buyer 
in connection with any transfer or assignment of Registrable Securities by a 
Shareholder provided that:  (i) such transfer may otherwise be effected in 
accordance with applicable securities laws, (ii) written notice is promptly 
given to Buyer and (iii) such transferee agrees to be bound by the provisions 
of this Section 5.1. Notwithstanding the foregoing, the registration rights 
under this Section 5.1 may be assigned to any Shareholder's spouse, children, 
siblings, ancestors and descendants and any trust established solely for the 
Shareholder's benefit or for the benefit of the Shareholder's spouse, 
children, siblings, ancestors or descendants, without compliance with item 
(ii) above, provided written notice thereof is promptly given to Buyer.

               (j)  Buyer shall provide reasonable assistance to the 
Shareholders in establishing a relationship with one of Buyer's banks which 
will permit the Shareholders to borrow against their Registrable Securities.  
Buyer shall also provide reasonable assistance to the Shareholders in 
arranging private sales of Registrable Securities, consistent with applicable 
securities law requirements.

          5.2  BROKERS OR FINDERS. Each of Buyer, the Shareholders and the 
Company represents, as to itself, its Subsidiaries and its Affiliates, that, 
other than Clareity, no agent, broker, investment banker, financial advisor 
or other firm or person is or will be entitled to any broker's or finder's 
fee or any other commission or similar fee in connection with any of the 

                                      24

<PAGE>

transactions contemplated by this Agreement; and each of Buyer, the 
Shareholders and the Company agrees to indemnify and hold the other harmless 
from and against any and all claims, liabilities or obligations with respect 
to any fees, commissions or expenses asserted by any person on the basis of 
any act or statement alleged to have been made by such party or its 
Affiliate.  The Shareholders agree to indemnify and hold the Company and 
Buyer harmless from and against any and all claims, liabilities or 
obligations with respect to such fees due to Clareity by the Shareholders or 
the Company.

          5.3  ADDITIONAL AGREEMENTS; REASONABLE EFFORTS; TAX ELECTION; 
DISTRIBUTIONS. Subject to the terms and conditions of this Agreement, each of 
the parties agrees to use all reasonable efforts to take, or cause to be 
taken, all action and to do, or cause to be done, all things necessary, 
proper or advisable under applicable laws and regulations to consummate and 
make effective the transactions contemplated by this Agreement, including 
cooperating fully with the other party, including by provision of 
information. In case at any time after the Closing any further action is 
necessary or desirable to carry out the purposes of this Agreement or to vest 
the Buyer with full title to all the Company Shares, the Shareholders shall 
take all such necessary action.  The Shareholders agree to cooperate with 
Buyer and the Company in providing any necessary information and taking any 
reasonably necessary actions in order to effect the filing of a Section 
338(h)(10) Election under the Internal Revenue Code.  Buyer shall cause the 
Company to notify the Internal Revenue Service and the California Franchise 
Tax Board of the fact that the Company ceased to be an S Corporation as of 
the Closing Date and to prepare all tax filings necessary in connection with 
the termination of the Company's status as an S Corporation.  Within ten days 
after receiving written notice from a Shareholder, together with 
documentation supporting the calculation referred to in this sentence, Buyer 
shall cause the Company to distribute to such Shareholder the amount, if any, 
of any federal and state income taxes which any Shareholder's accountant has 
determined will be owed by the Shareholder as a result of his share of 
distributive income of the Company with respect to the period from January 1, 
1998 through July 24, 1998, except that the Shareholders will be responsible 
for their own taxes resulting from the sale of the Company Shares and the 
Section 338(h)(10) election.  To the extent that the Section 338(h)(10) 
election results in the acceleration of taxes owed by a Shareholder on the 
Company Shares to be sold at the Subsequent Closing, Buyer will loan such 
Shareholder the amount of such accelerated tax on an interest free basis, 
until such tax would otherwise be owed.  No other distributions shall be made 
to any Shareholder as a result of the financial performance of the Company 
prior to the Closing Date.

          5.4  EXPENSES.  The parties shall each pay their own legal, 
accounting and financial advisory fees and other out-of-pocket expenses 
related to the negotiation, preparation and carrying out of this Agreement 
and the transactions herein contemplated; provided, however, that the Company 
may pay the legal fees of counsel advising the Shareholders with respect to 
this Agreement (and the other shareholder pursuant to the Concurrent 
Agreement) and the out of pocket costs of Clareity as long as the aggregate 
fees and expenses paid by the Company in connection with this Agreement and 
the Concurrent Agreement do not exceed $25,000.

                                      25

<PAGE>

                                   ARTICLE VI

                           CONDITIONS TO THE CLOSING

          6.1  CONDITIONS TO EACH PARTY'S OBLIGATIONS.  The respective 
obligations of each Party to this Agreement shall be subject to the 
satisfaction on or prior to the Initial Closing Date of the following 
conditions:

               (a)  All authorizations, consents, orders or approvals of, or 
declarations or filings with, or expirations of waiting periods imposed by, 
any Governmental Entity the failure of which to obtain or comply with would 
be reasonably likely to have a Material Adverse Effect on Buyer or the 
Company or a Material Adverse Effect on the consummation of the transactions 
contemplated hereby shall have been filed, occurred or been obtained.

               (b)  No temporary restraining order, preliminary or permanent 
injunction or other order issued by any court of competent jurisdiction or 
other legal or regulatory restraint or prohibition preventing the 
consummation of the transactions contemplated hereby or limiting or 
restricting Buyer's conduct or operation of the business of Buyer or the 
Company after the transactions contemplated hereby shall have been 
consummated, nor shall any proceeding brought by a domestic administrative 
agency or commission or other domestic governmental entity seeking any of the 
foregoing be pending; nor shall there be any action taken, or any statute, 
rule, regulation or order enacted, entered, enforced or deemed applicable to 
the transactions contemplated hereby which makes the consummation of the 
transactions contemplated hereby illegal.

          6.2  ADDITIONAL CONDITIONS TO OBLIGATIONS OF BUYER.  The 
obligations of Buyer to effect the transactions contemplated hereby are 
subject to the satisfaction of each of the following conditions, any of which 
may be waived in writing exclusively by Buyer:

               (a)  The representations and warranties of the Company and the 
Shareholders set forth in this Agreement shall be true and correct in all 
material respects as of the date of this Agreement and as of the Closing Date 
as though made on and as of the Closing Date, except (i) for changes 
contemplated by this Agreement or the Concurrent Agreement, (ii) that 
representations and warranties which specifically relate to a particular date 
or period shall be true and correct as of such date and for such period and 
(iii) where the failure of any such representation or warranty to be true and 
correct on and as of the Closing Date, individually and in the aggregate, 
would not be reasonably likely to have a Material Adverse Effect on the 
Company, or a material adverse effect upon the consummation of the 
transactions contemplated hereby; and Buyer shall have received a certificate 
to such effect signed on behalf of the Company by the chief executive officer 
of the Company and by Shareholders in their capacities as individuals with 
respect to the representations and warranties of Shareholders;

               (b)  The Company and Shareholders shall have performed in all 
material respects all obligations required to be performed by them under this 
Agreement at or prior to the Closing Date, and Buyer shall have received a 
certificate to such effect signed on 

                                      26

<PAGE>

behalf of the Company by the chief executive officer of the Company and by 
the Shareholders in their capacities as individuals;

               (c)  Buyer shall have received from the Company written 
evidence that the execution, delivery and performance of the Company's 
obligations under this Agreement have been duly and validly approved and 
authorized by the Board of Directors;

               (d)  Mr. Calder and Mr. Solomon shall have executed and 
delivered Employment Agreements in the form of EXHIBIT B-1 attached hereto; 
Mr. Mathews shall have executed an Amendment to Employment Agreement in the 
form of EXHIBIT B-2 attached hereto; and each Shareholder shall have executed 
and delivered the Non-Competition and Non-Solicitation Agreement in the form 
attached hereto as EXHIBIT C;

               (e)  The Company, Buyer, the Shareholders and the Escrow Agent 
shall have executed and delivered the Escrow Agreement;

               (f)  Buyer shall have received from the Shareholders such 
other documents as Buyer's counsel shall have reasonably requested, in form 
and substance reasonably satisfactory to Buyer's counsel;

               (g)  The Company, Buyer and the other party to the Concurrent 
Agreement shall have executed and delivered the Concurrent Agreement, and all 
of the conditions to Buyer's obligations under the Concurrent Agreement shall 
have been satisfied or duly waived by Buyer; 

               (h)  The shareholders of the Company who are listed as 
applicants for the E/Risk trademark registration shall have assigned their 
interests in such mark to the Company; and

               (i)  The Shareholders of the Company shall have taken action, 
effective as of the Initial Closing, to (A) expand the size of the Board of 
Directors of the Company to seven, and (B) elect Thomas R. Gay, E. Stevens 
Hamilton, Jerome T. Marani, and Brian Conn as directors; and the Board of 
Directors shall have appointed Thomas R. Gay as Chairman of the Company, E. 
Stevens Hamilton as Chief Financial Officer and Brian Conn as Assistant 
Secretary.

          6.3  ADDITIONAL CONDITIONS TO OBLIGATIONS OF THE COMPANY AND THE 
SHAREHOLDERS.  The obligations of the Company and the Shareholders to close 
the transactions contemplated hereby is subject to the satisfaction of each 
of the following conditions, any of which may be waived, in writing, 
exclusively by the Company and the Shareholders:

               (a)  The representations and warranties of Buyer set forth in 
this Agreement shall be true and correct in all material respects as of the 
date of this Agreement and (except to the extent such representations speak 
as of an earlier date) as of the Closing Date as though made on and as of the 
Closing Date, except for (i) changes contemplated by this Agreement and (ii) 
where the failure to be true and correct would not be reasonably likely to 

                                      27

<PAGE>

have a Material Adverse Effect on Buyer and its Subsidiaries, taken as a 
whole, or a material adverse effect upon the consummation of the transactions 
contemplated hereby; and the Company and the Shareholders shall have received 
a certificate to such effect signed on behalf of Buyer by the chief financial 
officer of Buyer;

               (b)  Buyer shall have performed in all material respects all 
obligations required to be performed by it under this Agreement at or prior 
to the Closing Date, and the Company and the Shareholders shall have received 
a certificate to such effect signed on behalf of Buyer by the chief financial 
officer of Buyer;

               (c)  The Company, Buyer, the Shareholders and the Escrow Agent 
shall have executed and delivered the Escrow Agreement; and

               (d)  The Company and the Shareholders shall have received from 
Buyer written evidence that the execution, delivery and performance of 
Buyer's obligations under this Agreement have been duly and validly approved 
and authorized by the Board of Directors of Buyer; 

                                  ARTICLE VII

                                INDEMNIFICATION

          7.1  SURVIVAL OF REPRESENTATIONS AND WARRANTIES. If the Initial 
Closing occurs, all of the representations and warranties contained in 
Section 2 and 4 of this Agreement shall survive for a period of six months 
from the Initial Closing Date (except that representations and warranties 
that specifically relate to a particular date or period shall be true and 
correct as of such date and for such period).  If the Initial Closing occurs, 
all of the representations, warranties and covenants contained in Section 3 
and 5 of this Agreement shall survive from the Initial Closing Date until the 
expiration of two years from the Subsequent Closing Date.

          7.2  INDEMNIFICATION.  

               (a)  Subject to the terms and conditions contained herein, 
each Shareholder shall indemnify, defend and hold harmless Buyer, its 
officers, directors, employees and attorneys, all Subsidiaries and Affiliates 
of Buyer, and the respective officers, directors, employees and attorneys of 
such entities (all such persons and entities being collectively referred to 
as the "Vista Group") from, against, for and in respect of any and all 
losses, damages, costs and expenses (including reasonable legal fees and 
expenses) ("Indemnified Loss") which any member of the Vista Group may 
sustain or incur which are caused by or arise out of (i) any inaccuracy in or 
breach of any of the representations, warranties or covenants made by the 
Company or the Shareholders in this Agreement, or (ii) as a result of willful 
fraud or intentional misrepresentation by the Company or the Shareholders or 
any of their representatives.  Resort against the Escrow Shares in accordance 
with the terms of the Escrow Agreement shall be Buyer's sole and exclusive 
remedy for breaches of the representations and warranties of the Shareholders 
and the Company set forth in Article II; PROVIDED, HOWEVER, that such 
limitation shall not apply to Indemnified Losses which are the result of 
willful fraud or intentional 

                                      28

<PAGE>

misrepresentation; PROVIDED, further, that Vista shall not be entitled to any 
indemnification hereunder until the total Indemnified Losses exceed $25,000. 
For purposes of determining the amount of Indemnified Losses, no effect will 
be given to the resulting tax benefit to any Indemnitee.  Each Shareholder 
acknowledges and agrees that he shall not have and shall not exercise or 
assert (or attempt to exercise or assert) any right of contribution, right of 
indemnity or other right or remedy against the Company in connection with any 
indemnification obligation or any other liability to which he may become 
subject under or in connection with this Agreement or any certificate 
delivered to Buyer in connection with this Agreement.  

               (b)  Subject to the terms and conditions contained herein, 
Buyer shall indemnify, defend and hold harmless the Shareholders from, 
against, for and in respect of any and all Indemnified Losses which the 
Shareholders may sustain or incur which are caused by or arise out of (i) any 
inaccuracy in or breach of any other representations, warranties or covenants 
made by Buyer in this Agreement, including the Vista Disclosure Schedule, or 
(ii) as a result of willful fraud or intentional misrepresentation by Buyer.  
For purposes of determining the amount of Indemnified Losses, no effect will 
be given to the resulting tax benefit to any Indemnitee.

          7.3  PROCEDURES FOR INDEMNIFICATION.

               (a)  As used in this Article VII, the term "Indemnitee" means 
the member or members of the Vista Group or, as the case may be, the 
Shareholders seeking indemnification hereunder; and the term "Indemnifying 
Party" shall mean Vista in the case where the Shareholders are the 
Indemnitees, and the Shareholders in the case where a member of the Vista 
Group is the Indemnitee.

               (b)  A claim for indemnification hereunder (an 
"Indemnification Claim") shall be made in accordance with the provisions of 
the Escrow Agreement.

               (c)  If the Indemnification Claim involves a Third Party 
Claim, the procedures set forth in Section 7.4 hereof shall be observed by 
Indemnitee and the Shareholders.

          7.4  DEFENSE OF THIRD PARTY CLAIMS. Should any claim be made or 
suit or proceeding be instituted against an Indemnitee which, if prosecuted 
successfully, would be a matter for which such Indemnitee is entitled to 
indemnification under this Article VII (a "Third Party Claim"), the 
obligations and liabilities of the parties hereunder with respect to such 
Third Party Claim shall be subject to the following terms and conditions:

               (a)  Indemnitee shall give the Indemnifying Party written 
notice of any such Third Party Claim promptly after receipt by Indemnitee of 
notice thereof, and the Indemnifying Party may, subject to the prior written 
consent of the Indemnitee, undertake control of the defense thereof by 
counsel of his or its own choosing reasonably acceptable to Indemnitee. If 
Indemnifying Party has undertaken control of the defense of the matter, 
Indemnitee may participate in the defense through his or its own counsel at 
his or its own expense.  In the event the Shareholder as an Indemnitee 
desires to assume the defense of the matter, the Shareholders shall provide 
Buyer with reasonable assurances of the Shareholders' ability to bear the 
costs of such defense and any likely outcome.  If, however, the Indemnifying 
Party fails or refuses to 

                                      29

<PAGE>

undertake the defense of such Third Party Claim within fifteen (15) days 
after written notice of such claim has been delivered to the Shareholders by 
Indemnitee, Indemnitee shall have the right to undertake the defense, 
compromise and settlement of such Third Party Claim in any manner which the 
Indemnitee deems is reasonable with counsel of its own choosing; provided, 
however that the Shareholders may not settle a claim in a manner that would 
materially affect Buyer's business or that would exceed the value of the 
Escrow Shares. In the circumstances described in the preceding sentence, 
Indemnitee shall, promptly upon its assumption of the defense of such Third 
Party Claim, make an Indemnification Claim as specified in Section 7.3(b), 
which shall be deemed an Indemnification Claim that is not a Third Party 
Claim for the purposes of the procedures set forth herein. Failure of 
Indemnitee to furnish written notice to the Indemnifying Party of a Third 
Party Claim shall not release the Indemnifying Party from his or its 
obligations hereunder, except to the extent he or it is prejudiced by such 
failure.

               (b)  Indemnitee and the Indemnifying Party shall cooperate 
with each other in all reasonable respects in connection with the defense of 
any Third Party Claim, including making available records relating to such 
claim and furnishing employees of Vista as may be reasonably necessary for 
the preparation of the defense of any such Third Party Claim or for testimony 
as witness in any proceeding relating to such claim.

               (c)  Unless the Indemnifying Party has failed to fulfill his 
or its obligations under this Article VII, no settlement by Indemnitee of a 
Third Party Claim shall be made without the prior written consent by or on 
behalf of the Indemnifying Party, which consent shall not be unreasonably 
withheld or delayed. If the Indemnifying Party has assumed the defense of a 
Third Party Claim as contemplated by this Section 7.4, no settlement of such 
Third Party Claim may be made by the Indemnifying Party without the prior 
written consent by or on behalf of Indemnitee, which consent shall not be 
unreasonably withheld or delayed.

                                  ARTICLE VIII

                               GENERAL PROVISIONS

               (a)  NOTICES.  All notices and other communications hereunder 
shall be in writing and shall be deemed given if delivered personally or by 
commercial delivery service, or within seventy-two (72) hours after being 
mailed by registered or certified mail (return receipt requested) or sent via 
facsimile (with confirmation of receipt) to the parties at the following 
addresses (or at such other address for a party as shall be specified by like 
notice):

               (b)  if to Buyer, to:

                    Vista Information Solutions, Inc.
                    5060 Shoreham Place
                    San Diego, CA 92122
                    Attention:  Chief Financial Officer
                    Fax:   (619) 450-6185
                    Tel:   (619) 450-6100


                                      30

<PAGE>

                    
                    with a copy to:
                    
                    Gray Cary Ware & Freidenrich LLP
                    4365 Executive Drive, Ste. 1600
                    San Diego, CA 92121
                    Attention: Douglas J. Rein
                    Fax:   (619) 677-1477
                    Tel:   (619) 677-1443

               (c)  if to the Company, to

                    E/Risk Information Systems 
                    100 N. Winchester Blvd., Suite 230
                    Santa Clara, CA 95050
                    
                    Attention: President
                    Fax:  (408) 261-6454
                    Tel:  (408) 261-6450
                    
                    with a copy to:
                    
                    Christopher J. Walt, Esq.
                    2223 Avenida de la Playa, Suite 100
                    La Jolla, CA 92037
                    
                    Fax:  (619) 459-7210
                    Tel:  (619) 459-5940
                    

               (d)  if to the Shareholders, to

                    [Name of Shareholder]
                    c/o 100 N. Winchester Blvd., Suite 230
                    Santa Clara, CA 95050
                    
                    Fax:  (408) 261-6454
                    Tel:  (408) 261-6450
                    

          8.2  INTERPRETATION.  When a reference is made in this Agreement to 
an Article or Section, such reference shall be to an Article or Section of 
this Agreement unless otherwise indicated. The words "include," "includes" 
and "including" when used herein shall be deemed in each case to be followed 
by the words "without limitation." The phrase "made available" in this 
Agreement shall mean that the information referred to has been made available 
if requested by the party to whom such information is to be made available. 
The phrases "the date of this 

                                      31

<PAGE>

Agreement," "the date hereof," and terms of similar import, unless the 
context otherwise requires, shall be deemed to refer to July 24, 1998. The 
table of contents and headings contained in this Agreement are for reference 
purposes only and shall not affect in any way the meaning or interpretation 
of this Agreement. Each Party and its counsel has reviewed this Agreement and 
provided revisions thereto; the rule of construction to the effect that 
ambiguities are construed against the drafter shall not be used in the 
interpretation of this Agreement.

          8.3  COUNTERPARTS.  This Agreement may be executed in two or more 
counterparts, each of which shall be deemed an original as against any party 
whose signature appears on such counterpart and all of which shall be 
considered one and the same agreement and shall become effective when one or 
more counterparts have been signed by each of the Parties and delivered to 
the other Parties, it being understood that all Parties need not sign the 
same counterpart.

          8.4  SEVERABILITY.  In the event that any provision of this 
Agreement, or the application thereof, becomes or is declared by a court of 
competent jurisdiction to be illegal, void or unenforceable, the remainder of 
this Agreement will continue in full force and effect and the application of 
such provision to other persons or circumstances will be interpreted so as 
reasonably to effect the intent of the parties hereto. The Parties further 
agree to replace such void or unenforceable provision of this Agreement with 
a valid and enforceable provision that will achieve, to the extent possible, 
the economic, business and other purposes of such void or unenforceable 
provision.

          8.5  ENTIRE AGREEMENT.  This Agreement (including the schedules and 
exhibits hereto and the other documents delivered pursuant hereto) 
constitutes the entire agreement among the Parties concerning the subject 
matter hereof and supersedes all prior agreements and understandings, both 
written and oral, among the parties with respect to the subject matter 
hereof, other than the Confidentiality Agreement dated as of June 1, 1998.

          8.6  GOVERNING LAW; VENUE AND JURISDICTION.  This Agreement shall 
be governed and construed in accordance with the laws of the State of 
Delaware without regard to any applicable conflicts of law principles.  Any 
legal action arising under this Agreement shall be resolved in the courts 
located in California.

          8.7  ASSIGNMENT.  Neither this Agreement nor any of the rights, 
interests or obligations hereunder shall be assigned by any of the Parties 
hereto (whether by operation of law or otherwise) without the prior written 
consent of the other Parties. Subject to the preceding sentence, this 
Agreement will be binding upon, inure to the benefit of and be enforceable by 
the parties and their respective successors and assigns.

          8.8  THIRD PARTY BENEFICIARIES.  Nothing contained in this 
Agreement is intended to confer upon any person other than the parties hereto 
and their respective successors and permitted assigns, any rights, remedies 
or obligations under, or by reason of this Agreement.

          8.9  ATTORNEY'S FEES.  If any Party shall commence any action or 
proceeding against another party in order to enforce the provision hereof, or 
to recover damages as the result 

                                      32

<PAGE>

of the alleged breach of any of the provisions hereof, the prevailing party 
therein shall be entitled to recover all reasonable costs incurred in 
connection therewith, including, but not limited to, reasonable attorneys' 
fees.

          IN WITNESS WHEREOF, Buyer and the Company have caused this 
Agreement to be signed by their respective officers thereunto duly 
authorized, and the Shareholders have executed this Agreement in the space 
provided below.


                                        "BUYER"

                                        VISTA INFORMATION SOLUTIONS, INC.

                                        By: 
                                            -----------------------------

                                        Its: 
                                             ----------------------------


THE "SHAREHOLDERS"                      THE "COMPANY"

                                        E/RISK INFORMATION SERVICES


                                        By:
- ---------------------------                 -----------------------------
Stuart Solomon

                                        Its: 
                                             ----------------------------

- ---------------------------
Eben Calder



- ---------------------------
Bradley G. Mathews



                                      33


<PAGE>




                SCHEDULES AND EXHIBITS TO STOCK PURCHASE AGREEMENT 
                           OF JULY 24, 1998 BY AND AMONG
             VISTA INFORMATION SOLUTIONS, E/RISK INFORMATION SERVICES, 
                 STUART SOLOMON, EBEN CALDER AND BRADLEY MATHEWS



 SCHEDULES/EXHIBITS                       TITLE

 Schedule 1                     Allocation of Consideration 

 Exhibit A                      E/Risk Disclosure Schedule

 Exhibit B-1                    Form of Employment Agreement

 Exhibit B-2                    Form of Amendment to Employment Agreement

 Exhibit C                      Non-Competition and Non-Solicitation Agreement






<PAGE>



                              STOCK PURCHASE AGREEMENT

          This Stock Purchase Agreement (the "Agreement") is entered into as of
July 24, 1998 by and between VISTA Information Solutions, Inc., a Delaware
corporation ("Buyer"), and Eric Freeberg ("Shareholder").  Buyer and Shareholder
are referred to collectively herein as the "Parties."
                                          
                                      RECITALS

          A.   Shareholder owns 100 outstanding shares (the "Shares") of the
capital stock of E/Risk Information Services, a California corporation (the
"Company"). 

          B.   Shareholder holds a promissory note from the Company in the
original principal amount of $10,000 (the "Note") and containing the terms and
conditions specified in EXHIBIT A attached hereto, the effect of which is that
the balance of unpaid principal and accrued interest on the Note as of July 24,
1998 is $253,634.96.

          C.   Buyer, the Company and all shareholders of the Company other than
Shareholder are simultaneously entering into a Stock Purchase Agreement of even
date herewith (the "Concurrent Agreement") pursuant to which Buyer is acquiring,
or agreeing to acquire, all issued and outstanding shares of the Company's
Common Stock other than the Shares to be sold to Buyer hereunder.

          D.   Buyer desires to purchase, and Shareholder desires to sell, the
Shares and the Note for the consideration set forth below subject to the terms
and conditions of this Agreement.
                                          
                                     AGREEMENT

          NOW, THEREFORE, in consideration of the representations, warranties
and covenants contained herein and other good and valuable consideration, the
receipt and sufficiency of which are hereby acknowledged, the Parties agree as
follows:

                                          
                                     ARTICLE I
                                          
                            PURCHASE AND SALE OF SHARES

          1.1  PURCHASE OF THE SHARES FROM SHAREHOLDER.  Upon and subject to the
terms and conditions of this Agreement, at the closing of the transactions
contemplated by this Agreement (the "Closing"),  Shareholder shall sell,
transfer, convey, assign and deliver to Buyer, and Buyer shall purchase, acquire
and accept from Shareholder, all of the Shares owned by Shareholder.  At the
Closing, the Company shall cause the transfer of the Shares to Buyer
contemplated by this Agreement to be entered into the share register of the
Company.


                                       1


<PAGE>


          1.2  THE CLOSING.

               (a)  The Closing shall take place at the offices of Gray Cary
Ware & Freidenrich LLP, 4365 Executive Drive, Suite 1600, San Diego, California
92121 commencing at 11:00 a.m., local time, on July 24, 1998, or, if all of the
conditions to the obligations of the Parties to consummate the transactions
contemplated hereby have not been satisfied or waived by such date, on such
mutually agreeable later date as soon as practicable after the satisfaction or
waiver of all conditions to the obligations of the Parties to consummate the
transactions contemplated hereby (the "Closing Date").

               (b)  Unless otherwise agreed by Buyer and Shareholder, the
Closing of the transactions contemplated by this Agreement shall take place
simultaneously with the closing of the acquisition by Buyer of the additional
shares of the issued and outstanding capital stock of the Company pursuant to
the Concurrent Agreement.

          1.3  ACTIONS AT THE CLOSING.  At the Closing:

               (a)  Shareholder shall deliver to Buyer the various certificates,
instruments and documents referred to in Section 5.1 below;

               (b)  Buyer shall deliver to Shareholder the various certificates,
instruments and documents referred to in Section 5.2 below;

               (c)  Shareholder shall deliver to Buyer a stock certificate(s)
representing the Shares, duly endorsed for transfer, the original Note and the
executed Note Assignment, in substantially the form attached hereto as EXHIBIT A
(the "Note Assignment");

               (d)  Buyer shall pay to Shareholder by wire transfer of
immediately available funds (in accordance with wire transfer instructions
furnished by Shareholder not less than 2 days before the Closing) the following
amounts:  (i) $1,100,000 as payment of the purchase price for the Shares, and
(ii) $253,634.96 as payment for the acquisition of the Note, based on the
outstanding amounts due thereunder as set forth in the demand letter attached as
EXHIBIT B hereto; and

               (e)  in exchange for the surrender of the certificate(s)
representing the Shares delivered pursuant to Section 1.3(c), the Company shall
issue and deliver to Buyer a certificate representing the One Hundred (100)
shares of the Company's Common Stock sold and transferred to Buyer hereunder,
and Buyer shall be entered into the share register of the Company as the owner
of the Shares sold by Shareholder pursuant to this Agreement.




                                       2


<PAGE>


                                     ARTICLE II
                                          
                   REPRESENTATIONS AND WARRANTIES OF SHAREHOLDER

          Shareholder represents and warrants to Buyer as follows:

          2.1  OWNERSHIP OF STOCK AND NOTE.  Shareholder has good and marketable
title, free and clear of any and all liens and encumbrances, to all of the
Shares and to the Note.  Shareholder has the full right, power and authority to
transfer, convey and sell to Buyer at the Closing the Shares and to the Note
and, upon consummation of the purchase contemplated hereby, Buyer will acquire
from Shareholder good and marketable title to the Shares and the Note, free and
clear of all covenants, conditions, restrictions, voting trust arrangements,
liens, charges, encumbrances, options and adverse claims or rights whatsoever.

          2.2  AUTHORITY.  Shareholder has all requisite power and authority to
execute and deliver this Agreement and the Note Assignment and to perform his
obligations thereunder.  This Agreement and the Note Assignment have each been
duly and validly executed and delivered by Shareholder, and each constitutes a
valid and binding obligation of Shareholder, enforceable against Shareholder in
accordance with its terms, subject to the effect of bankruptcy, insolvency,
moratorium or other similar laws affecting the enforcement of creditors' rights
generally and except as the availability of equitable remedies may be limited by
general principles of equity.

          2.3  NO CONFLICTS.  Neither the execution and delivery of any or all
of this Agreement and the Note Assignment by Shareholder, nor the consummation
by Shareholder of the transactions contemplated hereby or thereby, will
(i) conflict with, result in a breach of, constitute (with or without due notice
or lapse of time or both) a default under, or require any notice, consent or
waiver under, any instrument, contract, agreement or arrangement to which
Shareholder is a party or by which Shareholder is bound, (ii) result in the
imposition of any lien or encumbrance upon the Shares or the Note, or
(iii) violate any order, writ, injunction or decree applicable to Shareholder,
to the Shares, or to the Note.

          2.4  NO MODIFICATION.  No provision of the Note has been amended,
waived or supplemented, except as otherwise noted on EXHIBIT A.

                                          
                                    ARTICLE III
                                          
                      REPRESENTATIONS AND WARRANTIES OF BUYER



  In this Agreement, any reference to a "Material Adverse Effect" with 
respect to any entity or group of entities means a material adverse effect on 
the business, assets (including intangible assets), financial condition, 
prospects, or results of operations of such entity and its subsidiaries, 
taken as a whole which is individually in excess of $10,000, or, in the 
aggregate with other individual items, in excess of $25,000.

                                       3


<PAGE>



          Buyer represents and warrants to Shareholder as follows:

          3.1  ORGANIZATION.  Each of Buyer and Buyer's subsidiaries is a
corporation duly organized, validly existing and in good standing under the laws
of the jurisdiction of its incorporation, has all requisite corporate power to
own, lease and operate its property and to carry on its business as now being
conducted and as proposed to be conducted, and is duly qualified to transact
business and is in good standing as a foreign corporation in each jurisdiction
in which the failure to be so qualified would have a Material Adverse Effect on
Buyer. Neither Buyer nor any of its subsidiaries is in violation of any of the
provisions of its Certificate of Incorporation, Bylaws or other charter
documents. 

          3.2  AUTHORITY; NO CONFLICT; REQUIRED FILINGS AND CONSENTS.

               (a)  Buyer has all requisite corporate power and authority to
enter into this Agreement and the Note Assignment and to consummate the
transactions contemplated hereby and thereby. The execution and delivery of this
Agreement and the Note Assignment and the consummation of the transactions
contemplated hereby and thereby have been duly authorized by all necessary
corporate action on the part of Buyer. This Agreement and the Note Assignment
have been or will be duly executed and delivered by Buyer and constitute or will
constitute the valid and binding obligations of Buyer, enforceable in accordance
with their terms, except as such enforceability may be limited by bankruptcy,
insolvency, moratorium and other similar laws affecting creditors' rights
generally and except as the availability of equitable remedies may be limited by
general principles of equity.

               (b)  The execution and delivery by Buyer of this Agreement and
the Note Assignment do not, and the consummation of the transactions
contemplated hereby and thereby will not, (i) conflict with, or result in any
violation or breach of any provision of the Certificate of Incorporation or
Bylaws of Buyer, (ii) result in any violation or breach of, or constitute (with
or without notice or lapse of time, or both) a default under, or give rise to a
right of termination, cancellation or acceleration of any material obligation or
loss of any material benefit under, any note, mortgage, indenture, lease,
contract or other agreement, instrument or obligation to which Buyer is a party
or by which it or any of its properties or assets may be bound, or
(iii) conflict with or violate any permit, concession, franchise, license,
judgment, order, decree, statute, law, ordinance, rule or regulation applicable
to Buyer or any of its properties or assets, except in the case of (ii) and
(iii) for any such conflicts, violations, defaults, terminations, cancellations
or accelerations which would not have a Material Adverse Effect on Buyer.

               (c)  No consent, approval, order or authorization of, or
registration, declaration or filing with, any Governmental Entity (as defined in
the Concurrent Agreement) is required by or with respect to Buyer or any of its
subsidiaries in connection with the execution and delivery of this Agreement or
the or the Note Assignment or the consummation of the transactions contemplated
hereby, except for consents, authorizations, filings, approvals and
registrations which, if not obtained or made, would not prevent or materially
alter or delay any of the transactions contemplated by this Agreement or would
not have a Material Adverse Effect on Buyer.



                                       4


<PAGE>


                                     ARTICLE IV
                                          
                               ADDITIONAL AGREEMENTS

          4.1  BROKERS OR FINDERS. Each of Buyer and Shareholder represents, as
to itself, and its affiliates, that, other than Clareity, no agent, broker,
investment banker, financial advisor or other firm or person is or will be
entitled to any broker's or finder's fee or any other commission or similar fee
in connection with any of the transactions contemplated by this Agreement; and
each of Buyer and Shareholder agrees to indemnify and hold the other harmless
from and against any and all claims, liabilities or obligations with respect to
any fees, commissions or expenses asserted by any person on the basis of any act
or statement alleged to have been made by such Party or any of its affiliates. 
With respect to Clareity, Shareholder covenants and agrees to pay (or to cause
to be paid by an affiliate of Shareholder other than the Company) to Clareity,
as promptly as practicable after the Closing, $100,000 as payment of finders
fees due to Clareity by  Shareholder as a result of the transactions
contemplated hereby.  Shareholder agrees to indemnify and hold Buyer harmless
from and against any and all claims, liabilities or obligations with respect to
such fees due to Clareity by Shareholder.

          4.2  ADDITIONAL AGREEMENTS; REASONABLE EFFORTS; TAX ELECTION;
DISTRIBUTIONS. Subject to the terms and conditions of this Agreement, each of
the parties agrees to use all reasonable efforts to take, or cause to be taken,
all action and to do, or cause to be done, all things necessary, proper or
advisable under applicable laws and regulations to consummate and make effective
the transactions contemplated by this Agreement, including cooperating fully
with the other party, including by provision of information. In case at any time
after the Closing any further action is necessary or desirable to carry out the
purposes of this Agreement or to vest the Buyer with full title to all the
Shares or the Note, Shareholder shall take all such necessary action. 
Shareholder agrees to cooperate with Buyer and the Company in providing any
necessary information and taking any reasonably necessary actions in order to
effect the filing of a Section 338(h)(10) Election under the Internal Revenue
Code.  Buyer shall cause the Company to notify the Internal Revenue Service and
the California Franchise Tax Board of the fact that the Company ceased to be an
S Corporation as of the Closing Date and to prepare all tax filings necessary in
connection with the termination of the Company's status as an S Corporation. 
Within ten days after receiving written notice from Shareholder, together with
documentation supporting the calculation referred to in this sentence, Buyer
shall cause the Company to distribute to Shareholder the amount, if any, of any
federal and state income taxes which Shareholder's accountant has determined
will be owed by the Shareholder as a result of his status as a shareholder of
the Company and the status of the Company as an S Corporation with respect to
the period from January 1, 1998 through the Closing Date.  No other
distributions shall be made to Shareholder as a result of the financial
performance of the Company prior to the Closing Date.

          4.3  EXPENSES.  The Parties shall each pay their own legal, accounting
and financial advisory fees and other out-of-pocket expenses related to the
negotiation, preparation and carrying out of this Agreement and the transactions
herein contemplated; provided, however 



                                       5



<PAGE>



that the Company may pay the legal fees of counsel advising Shareholder with 
respect to this Agreement (and the other shareholders with respect to the 
Concurrent Agreement) as long as the aggregate legal fees and expenses paid 
by the Company in connection with this Agreement and the Concurrent Agreement 
do not exceed $25,000.

          4.4  SURVIVAL OF REPRESENTATIONS AND WARRANTIES. If the Closing
occurs, all of the representations and warranties contained in this Agreement
shall survive for a period of two years from the Closing Date (except that
representations and warranties that specifically relate to a particular date or
period shall be true and correct as of such date and for such period).

          4.5  INDEMNIFICATION.  

               (a)  Subject to the terms and conditions contained herein,
Shareholder shall indemnify, defend and hold harmless Buyer, its officers,
directors, employees and attorneys, all subsidiaries and affiliates of Buyer,
and the respective officers, directors, employees and attorneys of such entities
(all such persons and entities being collectively referred to as the "Vista
Group") from, against, for and in respect of any and all losses, damages, costs
and expenses (including reasonable legal fees and expenses) ("Indemnified Loss")
which any member of the Vista Group may sustain or incur which are caused by or
arise out of (i) any inaccuracy in or breach of any of the representations,
warranties or covenants made by Shareholder in this Agreement or the Note
Assignment, or (ii) as a result of willful fraud or intentional
misrepresentation by Shareholder.  Except for losses resulting from willful
fraud or intentional misrepresentation, in no event shall the aggregate
liability of Shareholder under this Agreement exceed the total consideration
received by Shareholder. For purposes of determining the amount of Indemnified
Losses, no effect will be given to the resulting tax benefit to any indemnitee.

               (b)  Subject to the terms and conditions contained herein, Buyer
shall indemnify, defend and hold harmless Shareholder from, against, for and in
respect of any and all Indemnified Losses which Shareholder may sustain or incur
which are caused by or arise out of (i) any inaccuracy in or breach of any other
representations, warranties or covenants made by Buyer in this Agreement, or
(ii) as a result of willful fraud or intentional misrepresentation by Buyer. 
For purposes of determining the amount of Indemnified Losses, no effect will be
given to the resulting tax benefit to any indemnitee.

                                          
                                     ARTICLE V
                                          
                             CONDITIONS TO THE CLOSING

          5.1  CONDITIONS TO EACH PARTY'S OBLIGATIONS.  The respective
obligations of each Party to this Agreement shall be subject to the satisfaction
on or prior to the Closing Date of the following conditions:

               (a)  All authorizations, consents, orders or approvals of, or 
declarations or filings with, or expirations of waiting periods imposed by, 
any Governmental Entity the 


                                       6


<PAGE>


failure of which to obtain or comply with would be
reasonably likely to have a Material Adverse Effect on Buyer or the Company or a
Material Adverse Effect on the consummation of the transactions contemplated
hereby shall have been filed, occurred or been obtained.

               (b)  No temporary restraining order, preliminary or permanent
injunction or other order issued by any court of competent jurisdiction or other
legal or regulatory restraint or prohibition preventing the consummation of the
transactions contemplated hereby or limiting or restricting Buyer's conduct or
operation of the business of Buyer or the Company after the transactions
contemplated hereby shall have been consummated, nor shall any proceeding
brought by a domestic administrative agency or commission or other domestic
governmental entity seeking any of the foregoing be pending; nor shall there be
any action taken, or any statute, rule, regulation or order enacted, entered,
enforced or deemed applicable to the transactions contemplated hereby which
makes the consummation of the transactions contemplated hereby illegal.

          5.2  ADDITIONAL CONDITIONS TO OBLIGATIONS OF BUYER.  The obligations
of Buyer to effect the transactions contemplated hereby are subject to the
satisfaction of each of the following conditions, any of which may be waived in
writing exclusively by Buyer:

               (a)  The representations and warranties of Shareholder set forth
in this Agreement shall be true and correct in all material respects as of the
date of this Agreement and as of the Closing Date as though made on and as of
the Closing Date, except (i) for changes contemplated by this Agreement and the
Note Assignment, (ii) that representations and warranties which specifically
relate to a particular date or period shall be true and correct as of such date
and for such period and (iii) where the failure of any such representation or
warranty to be true and correct on and as of the Closing Date, individually and
in the aggregate, would not be reasonably likely to have a material adverse
effect upon the consummation of the transactions contemplated hereby; and Buyer
shall have received a certificate to such effect signed by Shareholder in his
capacity as an individual with respect to the representations and warranties of
Shareholder.

               (b)  Shareholder shall have performed in all material respects
all obligations required to be performed by him under this Agreement at or prior
to the Closing Date, and Buyer shall have received a certificate to such effect
signed by Shareholder in his capacity as an individual.

               (c)  The Company, Buyer and the other parties to the Concurrent
Agreement shall have executed and delivered the Concurrent Agreement, and all of
the conditions to Buyer's obligations under the Concurrent Agreement shall have
been satisfied or duly waived by Buyer.

          5.3  ADDITIONAL CONDITIONS TO OBLIGATIONS OF SHAREHOLDER.  The
obligations of Shareholder to close the transactions contemplated hereby is
subject to the satisfaction of each of the following conditions, any of which
may be waived, in writing, exclusively by Shareholder:


                                       7


<PAGE>



               (a)  The representations and warranties of Buyer set forth in
this Agreement shall be true and correct in all material respects as of the date
of this Agreement and (except to the extent such representations speak as of an
earlier date) as of the Closing Date as though made on and as of the Closing
Date, except for (i) changes contemplated by this Agreement and (ii) where the
failure to be true and correct would not be reasonably likely to have a Material
Adverse Effect on Buyer and its subsidiaries, taken as a whole, or a material
adverse effect upon the consummation of the transactions contemplated hereby;
and Shareholder shall have received a certificate to such effect signed on
behalf of Buyer by the Chief Financial Officer of Buyer.

               (b)  Buyer shall have performed in all material respects all
obligations required to be performed by it under this Agreement at or prior to
the Closing Date, and Shareholder shall have received a certificate to such
effect signed on behalf of Buyer by the Chief Financial Officer of Buyer.

               (c)  Shareholder shall have received from Buyer a certificate of
the Secretary of Buyer attesting to the validity and continuing effect of the
resolutions of the Board of Directors of Buyer authorizing the execution of this
Agreement and the Note Assignment by Buyer and the performance of Buyer's
obligations hereunder and thereunder.

               (d)  The Company, Shareholder and the other shareholders of the
Company shall have entered into a settlement agreement and other documents
related to the termination of Shareholder's involvement in the Company.

               (e)  Clareity and Shareholder shall have entered into an
agreement whereby Clareity agrees that Shareholder's only obligation to Clareity
is payment of the $100,000 commission specified in Section 4.1.

                                          
                                     ARTICLE VI
                                          
                                 GENERAL PROVISIONS

          6.1  NOTICES.  All notices and other communications hereunder shall be
in writing and shall be deemed given on receipt if delivered personally or by
commercial delivery service (including overnight delivery) or sent via facsimile
(with confirmation of receipt), or seventy-two (72) hours after being mailed by
registered or certified mail (return receipt requested) to the parties at the
following addresses (or at such other address for a party as shall be specified
by like notice): 


                                       8


<PAGE>



               (a)  if to Buyer, to:

                    Vista Information Solutions, Inc.
                    5060 Shoreham Place
                    San Diego, CA 92122
                    Attention:  Chief Financial Officer
                    Fax: (619) 450-6185
                    Tel: (619) 450-6100
                    
                    with a copy to:

                    Gray Cary Ware & Freidenrich LLP
                    4365 Executive Drive, Ste. 1600
                    San Diego, CA 92121
                    Attention: Douglas J. Rein
                    Fax: (619) 677-1477
                    Tel: (619) 677-1443

               (b)  if to Shareholder, to:

                    Eric Freeberg
                    Post Office Box 9440
                    Rancho Santa Fe, CA  92067-4440
                    
                    (for deliveries:
                    14639 Calle Carla
                    Rancho Santa Fe, CA  92067)
                    Fax: (619) 756-3506
                    Tel: (619) 756-6632

          6.2  INTERPRETATION.  When a reference is made in this Agreement to an
Article or Section, such reference shall be to an Article or Section of this
Agreement unless otherwise indicated. The words "include," "includes" and
"including" when used herein shall be deemed in each case to be followed by the
words "without limitation."  The phrases "the date of this Agreement," "the date
hereof," and terms of similar import, unless the context otherwise requires,
shall be deemed to refer to July 24, 1998. The table of contents and headings
contained in this Agreement are for reference purposes only and shall not affect
in any way the meaning or interpretation of this Agreement.  Each Party and its
counsel has reviewed this Agreement and provided revisions thereto; the rule of
construction to the effect that ambiguities are construed against the drafter
shall not be used in the interpretation of this Agreement.

          6.3  COUNTERPARTS.  This Agreement may be executed in two or more
counterparts, each of which shall be deemed an original as against any party
whose signature appears on such counterpart and all of which shall be considered
one and the same agreement and shall become effective when one or more
counterparts have been signed by each of the 


                                       9



<PAGE>


Parties and delivered to the other Parties, it being understood that all 
Parties need not sign the same counterpart.

          6.4  SEVERABILITY.  In the event that any provision of this Agreement,
or the application thereof, becomes or is declared by a court of competent
jurisdiction to be illegal, void or unenforceable, the remainder of this
Agreement will continue in full force and effect and the application of such
provision to other persons or circumstances will be interpreted so as reasonably
to effect the intent of the parties hereto. The Parties further agree to replace
such void or unenforceable provision of this Agreement with a valid and
enforceable provision that will achieve, to the extent possible, the economic,
business and other purposes of such void or unenforceable provision.

          6.5  ENTIRE AGREEMENT.  This Agreement (including the schedules and
exhibits hereto and the other documents delivered pursuant hereto) constitutes
the entire agreement among the Parties concerning the subject matter hereof and
supersedes all prior agreements and understandings, both written and oral, among
the parties with respect to the subject matter hereof.

          6.6  GOVERNING LAW; VENUE AND JURISDICTION.  This Agreement shall be
governed and construed in accordance with the laws of the State of Delaware
without regard to any applicable conflicts of law principles.  Any legal action
arising under this Agreement shall be resolved in the courts located in San
Diego, California.

          6.7  ASSIGNMENT.  Neither this Agreement nor any of the rights,
interests or obligations hereunder shall be assigned by any of the Parties
hereto (whether by operation of law or otherwise) without the prior written
consent of the other Parties. Subject to the preceding sentence, this Agreement
will be binding upon, inure to the benefit of and be enforceable by the parties
and their respective successors and assigns.

          6.8  THIRD PARTY BENEFICIARIES.  Nothing contained in this Agreement
is intended to confer upon any person other than the parties hereto and their
respective successors and permitted assigns, any rights, remedies or obligations
under, or by reason of this Agreement.

          6.9  ATTORNEY'S FEES.  If any Party shall commence any action or
proceeding against another party in order to enforce the provision hereof, or to
recover damages as the result of the alleged breach of any of the provisions
hereof, the prevailing party therein shall be entitled to recover all reasonable
costs incurred in connection therewith, including, but not limited to,
reasonable attorneys' fees.



                                      10



<PAGE>



          IN WITNESS WHEREOF, Buyer has caused this Agreement to be signed by 
an officer thereunto duly authorized, and Shareholder has executed this 
Agreement in the space provided below.



                              "BUYER"

                              VISTA INFORMATION SOLUTIONS, INC.



                              By:                               
                                  ------------------------------

                              Its:                              
                                  ------------------------------


                              "SHAREHOLDER"



                              ----------------------------------
                              Eric Freeberg







                                      11


<PAGE>


                                  EXHIBIT A



                          NOTE ASSIGNMENT AGREEMENT


          For value received, the undersigned, Eric Freeberg hereby endorses 
and assigns to VISTA Information Solutions, Inc., without recourse, all of 
his beneficial interest in the attached Promissory Note dated July 17, 1996, 
in the original principal amount of $10,000, as modified by the attached 
First Modification of Demand Promissory Note dated as of July 1, 1998, which 
established the principal balance of the note at $245,954.25 as of July 1, 
1998, and as further modified by the Beneficiary's Demand dated July 16, 
1998, attached as EXHIBIT B to the Stock Purchase Agreement to which this 
Note Assignment is EXHIBIT A.





Dated:  July ___, 1998                  ____________________________________
                                        Eric Freeberg




ACCEPTED:

     VISTA INFORMATION SOLUTIONS, INC.



     By:  ____________________________________
          E. Stevens Hamilton, Chief Financial Officer




VISTA Information Solutions, Inc. hereby requests that payments of principal and
interest be made to it at 5060 Shoreham Place, San Diego, CA  92122, Attention
Chief Financial Officer.



ACKNOWLEDGED:

     E/RISK INFORMATION SERVICES




     By:  ___________________________________
          President




                                      12


<PAGE>



                 SCHEDULES AND EXHIBITS TO STOCK PURCHASE AGREEMENT
                          OF JULY 24, 1998 BY AND BETWEEN
                   VISTA INFORMATION SOLUTIONS AND ERIC FREEBERG





SCHEDULES/EXHIBITS                                    TITLE

Exhibit A                                         Note Assignment

Exhibit B                                         Demand Letter







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