MAI SYSTEMS CORP
8-K, 1996-07-23
COMPUTER INTEGRATED SYSTEMS DESIGN
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<PAGE>1





                       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 10, 1996

                             MAI SYSTEMS CORPORATION
             (Exact name of registrant as specified in its charter)


                                    DELAWARE
                 (State or other jurisdiction of incorporation)



                    1-9158                         22-2554549
               (I.R.S. employer             (Commission file number)
             identification number)



                      9600 Jeronimo Road, Irvine, CA 92718
                        (Address of principal (Zip Code)
                               executive offices)



                                 (714) 580-0700
                         (Registrant's telephone number
                              including area code)






<PAGE>2



Item 5. Other Events.

            Pursuant to an Asset Purchase Agreement,  dated as of June 30, 1996,
as amended by Amendment No. 1 to Asset Purchase  Agreement,  dated July 10, 1996
(as amended,  the "Asset  Purchase  Agreement"),  MAI Systems  Corporation  (the
"Company")   agreed  to  acquire   substantially  all  the  assets  and  certain
liabilities  of Hotel  Information  Systems,  Inc.  ("HIS").  The closing of the
acquisition is subject to certain  conditions and is currently  expected to take
place on or about August 9, 1996.

            The assets to be acquired from Hotel Information  Systems,  Inc. are
to be used in the business of software design,  engineering and service relating
to hotel information systems. The assets also include the subsidiaries of HIS in
Singapore,  Hong Kong,  Australia and Mexico. As of March 31, 1996, the value of
the acquired assets and assumed  liabilities would have been  approximately $9.8
million and $15.3 million, respectively.

            As consideration  for the assets received from HIS, the Company will
issue  shares  of Common  Stock  with a value of $10.9  million  to HIS upon the
closing of the Asset Purchase  Agreement.  The Company will also issue shares of
Common  Stock with a value of  approximately  $1.2 million to a holder of one of
the assumed debt  liabilities of HIS in  satisfaction  of such  liability.  Such
shares (the "Consideration Shares") are expected to be (i) a number of shares of
Common Stock (the "Ordinary  Consideration Shares") equal in value to $4,600,000
(497,298 shares at the Per Share Price) based on the Per Share Price, rounded up
to the  nearest  whole  share,  (ii) a number of shares  of  Common  Stock  (the
"Put/Call Consideration Shares") equal in value to $6,300,000 (681,082 shares at
the Per Share  Price)  based on the Per Share  Price,  rounded up to the nearest
whole share, and (iii) a number of Put/Call  Consideration Shares equal in value
to  $1,192,549  (128,925  shares at the Per Share  Price).  The Per Share  Price
initially  is $9.25 and  increases  periodically  following  the  closing of the
acquisition based on the yield of U.S. government securities.  The actual number
of  Consideration  Shares to be issued is  subject  to change  based on  certain
purchase  price  adjustments.  Based on current  expectations,  the Company will
issue  approximately  1.3  million  shares  in the  acquisition  and  will  have
approximately  [8.0] million shares of Common Stock  outstanding upon closing of
the acquisition.

            The  1,307,305  Consideration  Shares will be delivered to an escrow
agent pursuant to an Escrow  Agreement (the "Escrow  Agreement"),  to be entered
into among the Company,  HIS and such escrow agent, to be held in escrow pending

                                 -2-
<PAGE>3

(i) in the  case of all  Consideration  Shares,  resolution  of  purchase  price
adjustments  following  the  closing  of the  acquisition,  (ii) in the  case of
Ordinary  Consideration  Shares,  resolution  of  disputes  prior  to the  first
anniversary of the closing of the acquisition,  or (iii) in the case of Put/Call
Consideration  Shares, sale of such shares pursuant to a registration  statement
or any put or call of such shares as described below.

             All of the Consideration  Shares will be entitled to certain demand
and  piggyback  registration  rights  contained in a Put/Call  and  Registration
Rights  Agreement  (the "Put/Call and  Registration  Rights  Agreement"),  to be
entered  into  between  the  Company  and  HIS.  Any  of  the  810,007  Put/Call
Consideration  Shares may be called at the Per Share Price upon  exercise of the
registration  rights  applicable  to such shares  pursuant to the  Put/Call  and
Registration  Rights  Agreement.  The Company may not  exercise  such call right
directly but may transfer  such right to a third party (the  "Caller").  If such
call right is not  exercised by a Caller and the Put/Call  Consideration  Shares
are sold pursuant to a  registration  statement  during the five years after the
closing of the  acquisition,  the amount of  Put/Call  Consideration  Shares may
increase  or  decrease  depending  on whether the price at which such shares are
sold is below or above the Per Share Price.  Five years after the closing of the
acquisition, the Put/Call Consideration Shares not previously disposed of may be
called by the Company or may be put to the Company at the Per Share Price.

            The  Agreement  and  Amendment  No. 1 to the  Agreement are filed as
Exhibits  1 and 2. The  forms  of the  Escrow  Agreement  and the  Put/Call  and
Registration  Rights  Agreement are filed as Exhibits 3 and 4. The press release
announcing the execution of the Agreement is filed as Exhibit 5.

                                 -3-



<PAGE>4



                                    SIGNATURE

            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 thereunto duly authorized.

Dated:  July 23, 1996

                                         MAI SYSTEMS CORPORATION
                                         (Registrant)


                                         By:
                                         Name: Stanley P. Witkow
                                         Title:  Vice President Corporate and
                                                 Legal Affairs and Secretary
 
























                                       -4-



<PAGE>5

<TABLE>
<CAPTION>


                                  EXHIBIT INDEX

Exhibit
Number                  Exhibit

  <S>                   <C>

  1                     Asset Purchase Agreement, dated as of June 30,
                        1996, between MAI Systems Corporation and Hotel
                        Information Systems, Inc.

  2                     Amendment No. 1 to Asset Purchase Agreement,
                        dated July 10, 1996.

  3                     Form of Escrow Agreement.

  4                     Form of Put/Call and Registration Rights
                        Agreement.

  5                     Press Release issued July 11, 1996.

</TABLE>

                                       -5-




<PAGE>
==============================================================================





                            ASSET PURCHASE AGREEMENT



                            Dated as of June 30, 1996



                                     Between



                         HOTEL INFORMATION SYSTEMS, INC.



                                       and



                             MAI SYSTEMS CORPORATION






===========================================================================


                                     -1-

<PAGE>

                                TABLE OF CONTENTS

                                         





                                    ARTICLE I

                           Acquisition and Disposition                   Page

  1.1.     Transfer of Assets............................................  1
  1.2.     Excluded Assets...............................................  4
  1.3.     Assumed Liabilities...........................................  5
  1.4.     Non-Assumed Liabilities.......................................  7
  1.5.     Sales and Transfer Taxes......................................  8

                                ARTICLE II

                 Transfer of Assets; Delivery of Documents

  2.1.     Consideration for Assets......................................  9
  2.2.     The Consideration Shares......................................  9
  2.3.     Delivery of Assets............................................  9
  2.4.     Delivery of Other Documents...................................  9
  2.5.     Preliminary Closing Balance Sheet; Final
           Closing Balance Sheet; Adjustments to
           Consideration Shares............................................10

                                   ARTICLE III

                      Representations and Warranties

  3.1.     Representations and Warranties of the
           Company........................................................ 12

           (a)      Corporate Organization and Qualifica-
                    tion.................................................. 12
           (b)      Authorized Capital of Acquired
                    Subsidiaries.......................................... 13
           (c)      Corporate Authority................................... 13
           (d)      Governmental Filings; No Violations................... 15
           (e)      Financial Statements.................................. 15
           (f)      Absence of Certain Changes............................ 15
           (g)      Title to Assets; Leaseholds........................... 16
           (h)      Compliance with Laws.................................. 17
           (i)      Proprietary Rights.................................... 17
           (j)      Contracts............................................. 18
           (k)      Employee Matters...................................... 18
           (l)      Employee Benefits and Obligations..................... 19
           (m)      Litigation and Liabilities............................ 20


                                  -i-
<PAGE>
                                                                         Page

           (n)      Brokers and Finders................................... 20
           (o)      Environmental Matters................................. 20
           (p)      Taxes................................................. 21
           (r)      Accounts Receivable and Payable....................... 22
           (s)      Condition of the Assets............................... 22
           (t)      Bankruptcy Proceedings................................ 22
           (u)      Customers and Suppliers............................... 23
           (v)      No Misstatements or Omissions......................... 23
           (w)      Investment............................................ 23
           (x)      Software License Contracts............................ 23

  3.2.     Representations and Warranties of the
                    Purchaser............................................. 24
           (a)      Corporate Organization and
                    Qualification......................................... 24
           (b)      Corporate Authority................................... 24
           (c)      Governmental Filings; No Violations................... 24
           (d)      Purchaser Reports..................................... 25
           (e)      Capitalization........................................ 25
           (f)      Absence of Material Adverse Change.................... 25


                                 ARTICLE IV

                                 Covenants

  4.1.     Interim Operations of the Company.............................. 26
  4.2.     Acquisition Proposals.......................................... 27
  4.3.     Filings; Other Action.......................................... 28
  4.4.     Access......................................................... 29
  4.5.     Notification of Certain Matters................................ 29
  4.6.     Publicity...................................................... 30
  4.7.     Employees...................................................... 30
  4.8.     Agreement Not to Compete....................................... 31
           (a)      Agreement............................................. 31
           (b)      No Solicitation....................................... 31
           (c)      Separate Covenants.................................... 32
           (d)      Reformation........................................... 32
  4.9.     Bulk Transfer or Sales......................................... 32
  4.10.    Corporate Name................................................. 33
  4.11.    Covenants of the Purchaser..................................... 33
  4.12.    Insurance Policies............................................. 34

                                    ARTICLE V

                           Closing; Closing Conditions

  5.1.     Closing........................................................ 34
  5.2.     Conditions to Obligations of the Purchaser..................... 34
           (a)      Governmental Consents................................. 34


                                  -ii-
<PAGE>

                                                                         Page

           (b)      Litigation............................................ 35
           (c)      Compliance; Consents.................................. 35
           (d)      Other Obligations..................................... 35
           (e)      Financial Statements and Other........................ 35
           (f)      Preliminary Closing Balance Sheet..................... 35
           (g)      No Material Adverse Change............................ 36

  5.3.     Conditions to Obligations of the Company....................... 36

           (a)      Governmental Consents................................. 36
           (b)      Order................................................. 36
           (c)      Compliance............................................ 36
           (d)      Other Obligations..................................... 37
           (e)      American Stock Exchange............................... 37
           (f)      Tax Opinion........................................... 37

                                ARTICLE VI

                             Indemnification

  6.1.    The Company's Indemnification.................................. 37
  6.2.    The Purchaser's Indemnification................................ 37
  6.3.    Indemnification Procedure...................................... 37
  6.4.    Minimum Claims................................................. 38
  6.5.    Consideration Shares........................................... 38
  6.6.    Exclusive Remedy............................................... 39

                                   ARTICLE VII

                                   Termination

  7.1.     Termination by Mutual Consent................................. 39
  7.2.     Termination by Either the Purchaser or the
           Company....................................................... 39
  7.3.     Termination by the Purchaser.................................. 39
  7.4.     Termination by the Company.................................... 39
  7.5.     Effect of Termination and Abandonment......................... 40

                               ARTICLE VIII

                        Miscellaneous and General

  8.1.     Payment of Expenses........................................... 40
  8.2.     Survival...................................................... 40
  8.3.     Amendment; Waiver............................................. 40
  8.4.     Counterparts.................................................. 41
  8.5.     GOVERNING LAW................................................. 41
  8.6.     Notices....................................................... 41
  8.7.     Entire Agreement, etc......................................... 42
  8.8.     Captions...................................................... 42



                                  -iii-

<PAGE>
                                     

Annexes

A        Definitions
B        Form of Escrow Agreement
C        Form of Put/Call and Registration Rights Agreement
D        Form of Consulting Agreement
E        Form of Non-Competition Agreement
F        Form of Opinion of Counsel to Company
G        Form of Opinion of Foreign Counsel to Company
H        Form of Restrictive Legends
I        Form of Power of Attorney
J        Interim Balance Sheet
K        Form of Employee Services Agreement

Schedules

1.1(g)   Acquired Subsidiaries
1.3(a)   Assumed Current Liabilities
1.3(e)   Other Liabilities
1.3(f)   Other Liabilities -- Schedule to be provided later
3.1      Exception Schedule
3.1(d)   Consents -- Schedule to be provided later
3.1(g)   Leases
3.1(i)   Proprietary Rights
3.1(j)   Contracts
3.1(k)   Employees
3.1(l)   Employee Benefit Plans
3.1(m)   Litigation and Liabilities
3.1(p)   Asset Tax Basis -- Schedule to be provided later
3.1(q)   Insurance -- Schedule to be provided later
3.1(u)   Customers and Suppliers


                                      -iv-

<PAGE>




                  ASSET PURCHASE AGREEMENT (this "Agreement"),  dated as of June
30, 1996, between Hotel Information Systems, Inc., a California corporation (the
"Company"),   and  MAI  Systems   Corporation,   a  Delaware   corporation  (the
"Purchaser").


                                    RECITALS

     WHEREAS,  the  Company is the owner of certain  assets,  more  particularly
described  in this  Agreement,  used by it in the  business of software  design,
engineering and service relating to hotel information systems;

     WHEREAS,  the Purchaser  wishes to purchase  those assets and is willing to
assume certain  associated  obligations and the Company is willing to sell those
assets on the terms and conditions set forth herein;

     WHEREAS,   the  Company   and  the   Purchaser   desire  to  make   certain
representations,  warranties,  covenants and agreements in connection  with this
Agreement and the Ancillary Agreements; and

     WHEREAS,
capitalized terms used herein shall have the meanings set forth in Annex A.

NOW, THEREFORE,  in consideration of the premises,  and of the  representations,
warranties, covenants and agreements contained herein, the parties hereto hereby
agree as follows:

                                    ARTICLE I

                           Acquisition and Disposition

     1.1.  Transfer of Assets.  On the terms and  conditions  contained  in this
Agreement, the Company shall at the Closing convey, transfer, assign and deliver
to the  Purchaser,  and the  Purchaser  shall acquire and receive and become the
owner of (such  acquisition  and  disposition,  the "Sale"),  all of the assets,
properties  and rights owned and used or held for use by the Company  other than
the Excluded Assets (collectively,  the "Assets").  The Assets shall include (i)
all assets  (other than the  Excluded  Assets) of the Company  reflected  in the
Final Closing Balance Sheet, (ii) the stock of the Acquired  Subsidiaries to the
extent set forth in Section 1.1(g) below and Schedule 1.1(g) and (iii) all other
assets  (other than the  Excluded  Assets)  owned and used by the Company in its
business  and  operations,  including  (whether  or not  reflected  in the Final
Closing Balance Sheet) the Company's entire right,  title and interest in and to
the following,  as applicable,  as the same shall exist on the Closing Date: (a)
all cash and cash  equivalents  held by the  Company  other than as set forth in
Section 1.2(a);

                  (b)        all trade accounts, notes and Contract
                             receivables, including, without limitation,
                             the intercompany receivables (the
                             "Intercompany Receivables"), of the Company
                             it being understood and agreed that the
                             Purchaser shall have the right and authority
                             to collect for its own account all such
                             receivables and to endorse with the name of
                             the Company any checks received on account
                             of any such receivables;

                  (c)        all inventories of finished goods, work in process,
                             materials,   stores,   replacements,    spare   and
                             component  parts,  office and  operating  supplies,
                             samples and packaging materials;

                  (d)        all prepaid assets, including travel
                             advances, customer reimbursable costs,
                             deposits and other prepaid assets;

                  (e)        all furniture, fixtures, equipment and
                             computer software;

                  (f)        all other property, plant and equipment and
                             assets, including prepaid royalties and
                             deposits;

                  (g)        the stock of the  subsidiaries  listed on  Schedule
                             1.1(g) (the "Acquired Subsidiaries"), provided that
                             the  Purchaser  shall only acquire,  directly,  the
                             stock  of  those  subsidiaries  so  listed  that is
                             directly owned by the Company;

                  (h)        all rights under any partially or totally executory
                             contracts,   Leases,   equipment   leases,   notes,
                             indentures,   mortgages,  distribution  agreements,
                             licenses, franchises, purchase orders and any other
                             agreements and commitments  currently pertaining to
                             the business and operations of


                                                  -2-
<PAGE>




                             the  Company  (but  not   including  any  contracts
                             relating to the Employees or individual independent
                             contractors  of the Company or to the  shareholders
                             or  securityholders  of the  Company  except to the
                             extent specifically set forth in this Agreement) or
                             (as  an   indirect   acquisition   to  the   extent
                             contemplated  by subsection (g) above) any Acquired
                             Subsidiary  (collectively,  "Contracts") subject in
                             each case to the terms,  covenants,  conditions and
                             provisions of such Contracts;

                  (i)        the Proprietary  Rights,  including the name "Hotel
                             Information Systems",  set forth on Schedule 3.1(i)
                             and   any   copies   thereof   and   goodwill   and
                             documentation   associated   therewith  or  related
                             thereto;

                  (j)        all know-how, trade secrets, processes, shop
                             rights, technologies, discoveries,
                             unpatented inventions, formulae and
                             procedures (collectively, "Intellectual
                             Property") used in the business and
                             operations of the Company or (as an indirect
                             acquisition to the extent contemplated by
                             subsection (g) above) any Acquired
                             Subsidiary, including goodwill and
                             documentation associated with or relating to
                             any of the foregoing;

                  (k)        any claims, demands, causes of action,
                             judgments and pending litigation where the
                             Company is a claimant, plaintiff, judgment
                             creditor or beneficiary that do not arise
                             out of or relate to a Non-Assumed Liability;
                             provided, however, that nothing in this
                             clause (k) shall modify or affect the terms
                             of Sections 1.3 or 1.4 hereof;

                  (l)        to the extent permitted by law, all permits,
                             governmental licenses, approvals and quali-
                             fications of the Company; provided that the
                             Company may retain business licenses so long
                             as such licenses are required in connection
                             with the Company's business after the
                             Closing, but thereafter such items shall be
                             transferred to the Purchaser to the extent
                             it shall reasonably request;



                                                  -3-
<PAGE>


            (m)              all marketing records, customer lists,
                             warranty records, sales records, licensing
                             records, sales literature, electronic data
                             processing programs and accounting records
                             and documents which support or relate to the
                             Assets and Assumed Liabilities, including
                             computer software, transfer of leases for
                             such software or where applicable a waiver
                             of any fee associated with software
                             developed, used or assigned by the Company
                             where the Company has such rights to assign
                             or transfer;

                  (n)        all    personnel    records,    payroll    records,
                             correspondence,  books,  files  and  other  records
                             relating to Employees of the Acquired  Subsidiaries
                             and Employees of the Company hired by the Purchaser
                             on or after the Closing Date;

                  (o)        all insurance policies owned by the Company
                             that relate to the Assets or Assumed
                             Liabilities; and

                  (p)        all other assets owned by or used in the
                             business and operations of the Company
                             except for Excluded Assets.

                  1.2.       Excluded Assets.  The Company shall retain
and not transfer, and the Assets do not include, any of the
following assets (the "Excluded Assets") pertaining to the
Company:

                  (a)        up to $859,770 in cash and cash equivalents
                             held by the Company (any cash and cash
                             equivalents of the Acquired Subsidiaries are
                             not part of the Excluded Assets);

                  (b)        all deferred income tax assets;

                  (c)        three policies of "key man" life insurance
                             that are owned by the Company; and, for the
                             limited period mentioned below, all
                             insurance policies owned by the Company that
                             relate to Employees (the Company shall
                             retain such insurance policies that relate
                             to Employees so long as such insurance
                             policies are needed in connection with the
                             Company's business after the Closing, but
                             thereafter such insurance policies shall be


                                                  -4-
<PAGE>

                             transferred to the Purchaser to the extent
                             it shall reasonably request);

                  (d)        any refunds and rights to receive refunds of
                             Taxes to the extent such refunds are not
                             reflected on the Final Closing Balance
                             Sheet;

                  (e)        any refunds and rights to receive refunds of
                             workers' compensation insurance to the
                             extent such refunds are not reflected on the
                             Final Closing Balance Sheet;

                  (f)        all assets  owned by  customers  of the  Company or
                             other  third  parties,  except to the extent of any
                             right or interest  (or claim of right or  interest)
                             therein  of the  Company  existing  at the  Closing
                             Date; and

                  (g)        the stock of any subsidiary of the Company
                             that is not an Acquired Subsidiary.

     1.3.  Assumed  Liabilities.  On the terms and conditions  contained in this
Agreement, the Purchaser shall at the Closing assume, pay, perform and discharge
the following liabilities (collectively, the "Assumed Liabilities"):

                  (a)        the current liabilities of the Company set
                             forth on Schedule 1.3(a); provided that the
                             Company may provide a substitute Schedule
                             1.3(a) immediately prior to the Closing
                             which the Purchaser will accept, so long as
                             any changed items thereon represent only
                             current liabilities for sums certain that
                             were incurred in the ordinary course of
                             business of the Company; provided further
                             that such Schedule 1.3(a) shall be further
                             modified to reflect any revisions reflected
                             on the Final Closing Balance Sheet so long
                             as any changed liabilities thereon represent
                             only current liabilities for sums certain
                             that were incurred in the ordinary course of
                             busiess of the Company (collectively, the
                             "Assumed Current Liabilities");

                  (b)        all deferred revenues set forth on Schedule
                             1.3(a), as substituted and/or revised
                             pursuant to Section 1.3(a);



                                                  -5-
<PAGE>



                  (c)        all intercompany payables set forth on
                             Schedule 1.3(a), as substituted and/or
                             revised pursuant to Section 1.3(a)
                             (collectively, the "Intercompany Payables");

                  (d)        all obligations under the Innovations Note
                             and the Sanford Note set forth on Schedule
                             1.3(a), as substituted and/or revised
                             pursuant to Section 1.3(a);

                  (e)        the liabilities set forth on Schedule
                             1.3(e), provided that the Company may
                             provide a substitute Schedule 1.3(e)
                             immediately prior to the Closing which the
                             Purchaser will accept, so long as any
                             changed items thereon represent only
                             liabilities for sums certain that were
                             incurred in the ordinary course of business
                             of the Company and the sum certain of such
                             liabilities does not exceed $836,675
                             (collectively, the "Other Liabilities");

                  (f)        the liabilities of the Company set forth on
                             a Schedule 1.3(f) provided by the Company
                             immediately prior to the Closing which the
                             Purchaser shall accept, so long as the items
                             thereon represent only liabilities for sums
                             certain that were incurred in the ordinary
                             course of business of the Company and the
                             total thereof does not exceed $2,000,000,
                             and otherwise the Purchaser may accept or
                             reject any items on such Schedule 1.3(f) in
                             its sole discretion; provided any
                             liabilities on such Schedule 1.3(f) shall
                             reduce the value on which the number of
                             Put/Call Consideration Shares to be
                             delivered to the Company is based by the
                             total of the sums certain of such
                             liabilities;

                  (g)        accrued vacation of Leased Employees that
                             are hired by the Company after the Closing
                             Date;

                  (h)        all liabilities, duties or obligations to customers
                             under any product liability,  breach of warranty or
                             maintenance claim, express or implied,  arising out
                             of or relating to any defect or damage,  or alleged
                             defect  or  damage,  in  engineering,  development,
                             design, programming, tooling,


                                                  -6-
<PAGE>


                             manufacturing,  installation, packaging or shipping
                             of any  product,  software,  Proprietary  Right  or
                             Intellectual  Property  of the Company and which is
                             or becomes  part of the  Assets or of any  Acquired
                             Subsidiary  that  arose in the  ordinary  course of
                             business  (it being  understood  that,  among other
                             things,  that claims for consequential  damages are
                             not in the ordinary course of business); and

                  (i)        all unperformed and unfulfilled obligations
                             of the Company to be performed or fulfilled
                             subsequent to the Closing under the
                             Contracts; provided, however, that the
                             Purchaser shall not assume any obligations
                             arising as a result of any breach by the
                             Company of such Contracts, unless such
                             breach relates to the completion of work on
                             a timely basis and such breach can be
                             remedied by completing such work or by
                             providing a reasonable non-monetary
                             adjustment or credit.

     1.4.  Non-Assumed  Liabilities.  Except for the Assumed  Liabilities  to be
assumed, paid, performed and discharged by the Purchaser,  neither the Purchaser
nor any of its  affiliates,  successors  or  assigns  shall  assume  or have any
responsibility for any liability,  duty, obligation or commitment of any nature,
whether accrued,  contingent,  matured,  unmatured or otherwise,  of the Company
(the  "Non-  Assumed  Liabilities"),  and the  Company  shall  retain  all  such
Non-Assumed Liabilities.  Without limitation of the generality of the foregoing,
Non-Assumed Liabilities shall include:

                    (a)    all current liabilities of the Company other
                           than the Assumed Current Liabilities;

                    (b)    all Employee Benefits and Obligations other
                           than accrued vacation specifically assumed
                           pursuant to Section 1.3(g);

                    (c)    all accrued interest other than accrued
                           interest specifically assumed pursuant to
                           Section 1.3(e) or (f);

                    (d)    all short term borrowings and other obligations other
                           than  short  term  borrowings   specifically  assumed
                           pursuant to Section 1.3(a), (c), (d), (e) or (f);


                                                  -7-
<PAGE>

                    (e)    all federal, state, local or foreign taxes,
                           duties, imposts, fees and other governmental
                           charges, including penalties and interest in
                           respect thereof, whether due or to become due
                           and whether or not contested (collectively,
                           "Taxes"), (A) of the Company, (B) relating or
                           attributable to the Assets for any period
                           prior to and including the Closing Date,
                           (C) of any member of any "affiliated group"
                           (within the meaning of Section 1504 of the
                           Code) to which the Company has at any time
                           belonged or (D) of any other member of a
                           group of which the Company has at any time
                           been a member which files foreign, federal,
                           state or local Tax returns on a consolidated,
                           combined or unitary basis;

                    (f)    all other liabilities, duties and obligations
                           relating to the Excluded Assets; and

                    (g)    (i) all liabilities, duties and obligations
                           under any product liability, breach of
                           warranty or maintenance claim not
                           specifically assumed pursuant to Section
                           1.3(h), including, without limitation, claims
                           for consequential damages and (ii) all
                           obligations under the Contracts not
                           specifically assumed pursuant to Section
                           1.3(i); provided, however, that the Purchaser
                           agrees to use its best efforts to resolve or
                           remedy any such liabilities, duties or
                           obligations for the account and at the
                           expense of the Company (but the Purchaser
                           will only do so after receiving instructions
                           from the Company to do so and only after
                           obtaining the Company's prior approval for
                           any obligation or expense incurred for which
                           the Company may be liable); provided,
                           further, that any expenses or liabilities
                           incurred by the Purchaser pursuant to this
                           Section 1.4(g) are not subject to the
                           limitation set forth in Section 6.4.

     1.5. Sales and Transfer Taxes. The Company shall pay all sales and transfer
Taxes, if any, relating to the transfer to the Purchaser of any Assets and shall
be  responsible  for preparing and timely filing and paying any such Taxes.  The
Company  shall  provide to the  Purchaser  sufficient  evidence that any returns
required  to be filed  have been  filed and that the  amount of  transfer  Taxes
reflected thereon has been remitted to the appropriate


                                    -8-
<PAGE>

taxing authorities. The Purchaser shall reimburse the Company for the payment of
such sales and transfer taxes in an amount not to exceed $20,000.


                                   ARTICLE II

                    Transfer of Assets; Delivery of Documents

     2.1. Consideration for Assets. At Closing, the Purchaser shall issue to the
Company the  following:  (a) A number of shares of Common  Stock (the  "Ordinary
Consideration  Shares") equal in value to $4,600,000  (497,298 shares at the Per
Share  Price)  based on the Per Share  Price,  rounded up to the  nearest  whole
share.  (b) A number  of shares of Common  Stock  (the  "Put/Call  Consideration
Shares" and, together with the Ordinary Consideration Shares, the "Consideration
Shares")  equal in value to $6,300,000  (681,082  shares at the Per Share Price)
(subject to reduction  in an amount equal to the sum certain of the  liabilities
set forth on Schedule  1.3(f))  based on the Per Share Price,  rounded up to the
nearest whole share. 2.2. The Consideration Shares. (a) The Consideration Shares
will be delivered to the Escrow Agent to be held in escrow  subject to the terms
and conditions of the Escrow  Agreement,  the Put/Call and  Registration  Rights
Agreement and this Agreement.  (b) The restrictive  legends set forth in Annex H
will be printed on the certificates for the Consideration  Shares. 2.3. Delivery
of Assets.  At Closing,  the Company  shall  deliver to the  Purchaser  executed
instruments  of conveyance  and  assignment,  transferring  and assigning to the
Purchaser all of the Company's right,  title and interest in the Assets, in form
and substance  satisfactory  to the  Purchaser,  and physical  possession of the
stock certificates  representing the capital stock of the Acquired  Subsidiaries
and all other Assets  capable of such delivery  (provided that all software that
is included in the Assets  shall be  transferred  to the  Purchaser  by means of
electronic  transmission).  2.4. Delivery of Other Documents.  The Company shall
also deliver to the Purchaser at the Closing:

                                       -9-
<PAGE>



                  (a)      Executed copies of the Ancillary Agreements
(other than the Confidentiality Agreement);

                  (b)      Executed copies of a Non-Competition
Agreement with Robert S. Sanford;

                  (c)      Opinion of counsel to the Company, dated the
Closing Date, substantially in the form of Annex F;

                  (d)  Opinions  of foreign  counsel to the  Company,  dated the
Closing  Date,  substantially  in the  form of  Annex G,  with  respect  to each
Acquired Subsidiary that was directly owned by the Company prior to the Closing;

                  (e)      The power of attorney referred to in Section
4.3, substantially in the form of Annex I; and

                  (f) Such certificates and other documents as may be reasonably
requested  by the  Purchaser  or as may be  required  to be  delivered  by  this
Agreement or the Ancillary  Agreements or whose  delivery is required to satisfy
the conditions herein or therein expressed.

                  2.5.     Preliminary Closing Balance Sheet; Final
Closing Balance Sheet; Adjustments to Consideration Shares.

     (a)  Preliminary  Closing  Balance  Sheet.  Two business  days prior to the
Closing  Date,   the  Company  shall  deliver  to  the  Purchaser  an  estimated
consolidated balance sheet of the Company and its subsidiaries as of the Closing
Date (the "Preliminary Closing Balance Sheet"),  which shall identify the amount
of the Company's Current Assets, Assets, Assumed Current Liabilities and Assumed
Liabilities  set forth on such  balance  sheet and be  certified as a reasonable
estimate by Dennis Rowland,  and be accompanied by a certification  by Robert S.
Sanford that he has no reason to believe  that it is not a reasonable  estimate.
If (i) the  Current  Ratio and Net  Current  Assets on the  Preliminary  Closing
Balance Sheet (after giving effect to any adjustment pursuant to Section 1.3(f))
are not  greater  than or  equal to the  Current  Ratio  (1.483  to 1.0) and Net
Current Assets  ($2,758,225)  on the Interim  Balance Sheet or (ii) Net Worth on
the Preliminary  Closing Balance Sheet is not greater than or equal to Net Worth
(negative  $5,562,359)  on the  Interim  Balance  Sheet,  the  Company  and  the
Purchaser  shall  mutually  agree on  appropriate  revisions to Current  Assets,
Assets,  Assumed Current  Liabilities,  Assumed Liabilities or the Consideration
Shares to be delivered or assumed at Closing.

     (b)  Final  Closing  Balance  Sheet.  (i)  As  promptly  as  is  reasonably
practicable following the Closing


                                       -10-
<PAGE>


     Date, there shall be prepared under the joint  supervision and oversight of
representatives of the Purchaser and the Company,  a consolidated  balance sheet
of the Company and its subsidiaries as of the Closing Date (the "Closing Balance
Sheet"),  which  shall  identify  the amount of the  Company's  Current  Assets,
Assets,  Assumed Current  Liabilities and Assumed  Liabilities set forth on such
balance sheet.  The Closing  Balance Sheet shall be mutually  agreed upon by the
Purchaser and the Company. If no such mutual agreement is reached within 60 days
after the Closing Date,  the Purchaser and the Company shall mutually agree upon
(or, if they are unable so to agree within five business  days,  shall  instruct
their  independent  certified public  accountants to select within five business
days)  and  engage  a  nationally  recognized  firm  of  U.S.  certified  public
accountants independent with respect to the Purchaser and the Company to analyze
the Closing Balance Sheet.  Upon such engagement,  the Purchaser and the Company
each shall  provide to such firm its  calculation  of  Current  Assets,  Assets,
Assumed  Current  Liabilities  and Assumed  Liabilities.  The  Purchaser and the
Company  shall  each,  and shall  each use all  reasonable  efforts to cause its
accountants  to, make  readily  available  to such firm any  relevant  books and
records and work papers prepared by it or its affiliates relating to the Closing
Balance Sheet or calculations of the amounts of Current Assets,  Assets, Assumed
Current Liabilities and Assumed Liabilities  requested by such firm to undertake
such  analysis.  Such firm shall be instructed to complete such analysis  within
thirty business days from the date of their engagement.  Upon completion of such
analysis,  such firm shall be  instructed to (A) review each of the revisions to
Current  Assets,  Assets,  Assumed Current  Liabilities and Assumed  Liabilities
proposed by the Company or the Purchaser and determine  whether such revision is
necessary or appropriate in order that the Closing  Balance Sheet present fairly
the Current Assets,  Assets, Assumed Current Liabilities and Assumed Liabilities
of the Company as of the Closing  Date in  accordance  with  generally  accepted
accounting principles,  consistently applied ("GAAP") on the basis of procedures
consistent in all material respects with the procedures,  methods and accounting
principles  used by the  Company to  prepare  its  Audited  Balance  Sheet,  (B)
recompute  Current  Assets,  Assets,  Assumed  Current  Liabilities  and Assumed
Liabilities  included  on  such  Closing  Balance  Sheet  on the  basis  of such
determination  and (C)  inform  the  Company  and  the  Purchaser  of each  such
re-computation. The Closing Balance Sheet, the amount of Current Assets, Assets,
Assumed  Current  Liabilities  and  Assumed  Liabilities,  as  agreed  to by the
Purchaser  and the  Company  or,  as the  case  may  be,  as  determined  by the
aforementioned  accounting  firm  pursuant  to this  paragraph  (i)  are  herein
referred to

                                      -11-
<PAGE>


 respectively  as the "Final Closing  Balance  Sheet,"  "Final Current  Assets,"
"Final  Assets,"  "Final  Assumed  Current   Liabilities"   and  "Final  Assumed
Liabilities."  Also,  Final Net  Current  Assets  and  Final Net Worth  shall be
determined based on the foregoing.

     (ii) The Company and the Purchaser  shall each bear and pay one-half of the
fees and disbursements of such accounting firm in connection with its analysis.

     (c) Adjustments to  Consideration  Shares.  Within five business days after
the  determination  of the Final Closing  Balance  Sheet,  and Final Net Current
Assets  and Final Net Worth,  pursuant  to the  procedures  set forth in Section
2.5(b)  hereof,  if (A) Final Net Current Assets or Final Net Worth is less than
Net Current Assets or Net Worth, respectively,  based on the Preliminary Closing
Balance Sheet (after giving effect to any  adjustments  under Section  1.3(f) or
2.5(a)),  and (B) Final Net Current  Assets or Final Net Worth is also less than
Net  Current   Assets   ($2,758,225)   or  Net  Worth   (negative   $5,562,359),
respectively,  in each case subject to adjustment  pursuant to Sections  1.3(f),
based on the Interim  Balance  Sheet,  then the  Purchaser and the Company shall
cause the Escrow Agent to deliver to the Purchaser that number of  Consideration
Shares equal to such difference pursuant to clause (A) (as it pertains to either
Net Current  Assets or Net Worth,  whichever is greater)  based on the Per Share
Price,  rounded up to the nearest whole share.  The  Consideration  Shares to be
delivered to the Purchaser  under this  provision  shall be (i) first,  Put/Call
Consideration  Shares until the value of the  remaining  Put/Call  Consideration
Shares is  $4,700,000  based on the Per Share  Price and (ii)  second,  Ordinary
Consideration Shares.


                                                ARTICLE III

                                      Representations and Warranties

     3.1.  Representations and Warranties of the Company. Except as set forth on
Schedule 3.1 (which schedule shall be organized  according to the subsections of
this  Section 3.1 so as to indicate the context of any  particular  exception or
exceptions), the Company hereby represents and warrants to the Purchaser that:

     (a) Corporate  Organization and Qualification.  Each of the Company and the
Acquired  Subsidiaries is a corporation duly organized,  validly existing and in
good standing under the laws of its respective jurisdiction of


                                      -12-
<PAGE>


     incorporation and each of the Acquired  Subsidiaries is in good standing as
a foreign corporation in each jurisdiction where the properties owned, leased or
operated,  or the business conducted,  by it require such qualification,  except
for such failure to so qualify or be in such good  standing,  which,  when taken
together  with all  other  such  failures,  is not  reasonably  likely to have a
material adverse effect on the financial condition, Assets, business, customers,
results of  operations  or prospects of such  Acquired  Subsidiary.  Each of the
Company and the Acquired  Subsidiaries  has the  corporate  requisite  power and
authority to carry on its respective businesses as they are now being conducted.
The Company has made  available to the  Purchaser a complete and correct copy of
the Company's and each Acquired Subsidiary's Articles of Incorporation, By-Laws,
charter  documents  or  governing  instruments,  each as  amended  to date.  The
Company's and the Acquired  Subsidiaries'  Articles of  Incorporation,  By-Laws,
charter  documents and governing  instruments so delivered are in full force and
effect.

     (b) Authorized  Capital of Acquired  Subsidiaries.  Each of the outstanding
shares of capital stock of each of the Acquired Subsidiaries is duly authorized,
validly  issued,  fully paid and  nonassessable  and owned,  either  directly or
indirectly,  by the  Company  free and  clear of all  liens,  pledges,  security
interests, claims or other encumbrances.  There are no preemptive rights nor any
outstanding subscriptions,  options, warrants, rights, convertible securities or
other  agreements  or  commitments  of any  character  relating to the issued or
unissued   capital  stock  or  other  securities  of  or  any  of  the  Acquired
Subsidiaries.   The  Company  has  no  subsidiaries   other  than  the  Acquired
Subsidiaries and of these only Hotel Information Systems (LTD), Hong Kong, Hotel
Information  Systems (LTD),  Singapore and Hotel Information  Systems Mexico are
owned directly by the Company. Hotel Information Systems (LTD), Hong Kong has no
subsidiaries  other  than  Boss  Systems.   Hotel  Information  Systems  has  no
subsidiaries  other than  Hotel  Information  Systems  (LTD),  Australia  and an
approximate   49.9%  interest  in  Hotel   Information   Systems/Metro   Systems
Corporation Joint Venture. Hotel Information Systems Mexico has no subsidiaries.
All representations and warranties contained herein with respect to the Acquired
Subsidiaries include the subsidiaries of such Acquired Subsidiaries.

     (c) Corporate Authority.  The Company has the requisite corporate power and
authority and has taken all corporate  action  necessary in order to execute and
deliver this Agreement and each of the Ancillary Agreements to which


                                      -13-




<PAGE>



     it is a party and to consummate  the  transactions  contemplated hereby.
This  Agreement is, and each of the Ancillary  Agreements to which it is a party
will be, a valid and binding  agreement of the Company  enforceable  against the
Company in accordance with its terms.

     (d) Governmental Filings; No Violations.  (i) No notices,  reports or other
filings are required to be made by the Company or any Acquired  Subsidiary with,
nor  are any  consents,  registrations,  approvals,  permits  or  authorizations
required  to be obtained by the Company or any  Acquired  Subsidiary  from,  any
governmental  or  regulatory  authority,  agency,  commission  or other  entity,
domestic or foreign  ("Governmental  Entity"),  in connection with the execution
and delivery of this  Agreement and the Ancillary  Agreements by the Company and
the  consummation  by the Company of the  transactions  contemplated  hereby and
thereby,  the  failure  to make or obtain  any or all of which is  reason-  ably
likely to have a material  adverse  effect on the financial  condition,  Assets,
business,  customers,  results of  operations  or prospects of the Company or an
Acquired Subsidiary, or could prevent, materially delay or materially burden the
transactions contemplated by this Agreement and the Ancillary Agreements.

     (ii)  The  execution  and  delivery  of this  Agreement  and the  Ancillary
Agreements by the Company does not, and the  consummation  by the Company of the
transactions  contemplated  by this Agreement and the Ancillary  Agreements will
not,  constitute or result in (i) a breach or violation of, or a default  under,
the  Articles  of  Incorporation  or By- Laws of the  Company or the  comparable
charter documents or governing instruments of any of the Acquired  Subsidiaries,
(ii) a breach or violation of, a default under or the  triggering of any payment
or other material  obligations pursuant to, any of the Company's or any Acquired
Subsidiary's  Employee Benefit Plans or any grant or award made under any of the
foregoing,  (iii) a breach or violation of, a default under, the acceleration of
or the creation of a lien, pledge, security interest or other encumbrance on any
Asset (with or without the giving of notice or the lapse of time)  pursuant  to,
any provision of any Contract of the Company or any of the Acquired Subsidiaries
or any law, rule, ordinance or regulation or judgment,  decree,  order, award or
governmental or  non-governmental  permit or license to which the Company or any
of the  Acquired  Subsidiaries  is  subject  or (iv) any change in the rights or
obligations  of any party  under any of the  Contracts,  except,  in the case of
clause  (iii)  or  (iv)  above,   for  such  breaches,   violations,   defaults,
accelerations  or changes that,  alone or in the  aggregate,  are not reasonably
likely to have a material


                                      -14-
<PAGE>

     adverse effect on the financial  condition,  Assets,  business,  customers,
results of operations or prospects of the Company or any Acquired  Subsidiary or
that could not prevent,  materially delay or materially  burden the transactions
contemplated by this Agreement and the Ancillary Agreements. Except as set forth
on Schedule 3.1(d), no consents are necessary or required in connection with the
assignment  of any  Contract to the  Purchaser.  The  Company may omit  Schedule
3.1(d) at the signing of this  Agreement  but agrees to provide such Schedule to
the Purchaser within five business days after the date of this Agreement.

     (e)  Financial  Statements.  The Company has delivered to the Purchaser its
Interim  Balance  Sheet and will deliver to the  Purchaser  its Audited  Balance
Sheet  prior to the Closing  Date.  The Interim  Balance  Sheet  (other than the
omission of the related notes and schedules) fairly presents and accurately sets
forth,  and each of the Audited Balance Sheet,  the Closing Balance Sheet (other
than the  omission of the related  notes and  schedules)  and the Final  Closing
Balance Sheet (other than the omission of the related notes and schedules)  will
fairly  present  and  accurately  set  forth,   the  assets,   liabilities   and
consolidated  financial position of the Company and its subsidiaries as of their
respective  dates,  in each case in accordance  with GAAP.  The Interim  Balance
Sheet was, and the Audited  Balance  Sheet,  the Closing  Balance  Sheet and the
Final  Closing  Balance  Sheet  will be,  prepared  on the basis of  procedures,
methods and accounting  principles that are consistent in all material respects.
The Audited Balance Sheet will be included in the Audited Financial  Statements.
The Audited  Financial  Statements  will fairly present and accurately set forth
the results of operations,  retained earnings and changes in financial position,
as the case may be, of the  Company  and its  subsidiaries  for the  periods set
forth therein,  in each case in accordance  with GAAP. The  Preliminary  Closing
Balance Sheet will fairly  present and  accurately  set forth the Company's best
estimate of the assets,  liabilities and consolidated  financial position of the
Company and its subsidiaries as of the Closing Date and will have a presentation
and format identical to the Interim Balance Sheet.

     (f) Absence of Certain  Changes.  Since  December 31, 1995, the Company and
the Acquired  Subsidiaries  have conducted their respective  businesses only in,
and have not engaged in any material  transaction  (other than the  transactions
contemplated  hereby) other than  according to, the ordinary and usual course of
such  businesses  and there has not been (i) any material  adverse change in the
financial condition, Assets, business, customers, results of


                                    -15-
<PAGE>


     operations  or prospects of the Company or any Acquired  Subsidiary  or any
development or combination  of  developments  of which the Company has knowledge
which may result in any such  change;  (ii) any  declaration,  setting  aside or
payment of any dividend or other  distribution with respect to the capital stock
of the Company or any  Acquired  Subsidiary;  (iii) any change by the Company in
accounting principles,  practices or methods; (iv) any cancellation of any debts
owed to the Company or to any Acquired Subsidiary or any waiver of the Company's
or any Acquired  Subsidiary's claims or rights, except in the ordinary course of
business;  (v) except for  licensing  in the ordinary  course of  business,  any
disposition  of or lapsing of any  rights to the use of any  Proprietary  Rights
owned or leased by the  Company or any of the  Acquired  Subsidiaries;  (vi) any
purchase or entering into of any contract or commitment by the Company or any of
the Acquired  Subsidiaries to purchase any quantity of materials or supplies, or
any sale or entering into of any contract or commitment by the Company or any of
the Acquired  Subsidiaries to sell any quantities of property or assets,  except
in the ordinary  course of business;  (vii) any writing off, or  requirement  to
write off,  of any notes or  accounts  receivable  by the  Company or any of the
Acquired  Subsidiaries  in an  aggregate  amount in excess  of  $50,000,  or any
writing down, or  requirement  to write down, of any inventory by the Company or
any of the Acquired  Subsidiaries  in an aggregate  amount in excess of $10,000;
(viii) any  revaluation  of any of the  Company's or any  Acquired  Subsidiary's
properties;  (ix) except in the ordinary course of business in amounts which are
not  material  to the  Company  or any of the  Acquired  Subsidiaries,  (1)  any
increase in the salary or other compensation payable or to become payable to any
of the Employees of the Company or any of the Acquired Subsidiaries,  (2) except
as contemplated by this Agreement, any amendment of, or the establishment of any
new,  Employee Benefit Plan or (3) any declaration,  payment or entering into of
any  commitment  or obligation of any kind by the Company or any of the Acquired
Subsidiaries  for  the  payment  of  a  bonus  or  other  additional  salary  or
compensation to any such Employee;  (x) any amendment,  in a material manner, or
termination of any material Contract to which the Company or any of the Acquired
Subsidiaries is a party;  (xi) any receipt of written notice of the commencement
or threat of any governmental proceeding against, or investigation in connection
with,  the  business of the Company or any of the Acquired  Subsidiaries  or the
Assets;  or (xii) any entering  into of any  negotiations  or  agreements by the
Company  or any of the  Acquired  Subsidiaries  to  accomplish  any of the items
described in the preceding clauses (i) through (xi).



                                       -16-
<PAGE>


     (g) Title to Assets;  Leaseholds.  (i) The Company  has, and at the Closing
will convey to the  Purchaser,  good and  indefeasible  title to all the Assets.
Each Acquired  Subsidiary has good and indefeasible title to all the assets held
by it. All Assets and all assets owned by the Acquired Subsidiaries are free and
clear  of  all  liens,  claims,  encumbrances,  charges  and  conditions  to  or
restrictions on transfer or assignment except for such that would not materially
adversely  affect  the value or  marketability  of such  asset or that could not
prevent,  materially delay or materially burden the transactions contemplated by
this  Agreement  and the  Ancillary  Agreements.  Neither  the  Company  nor any
Acquired  Subsidiary  owns any interest in real property  other than pursuant to
the Leases.  Schedule  3.1(g) sets forth a true,  correct and complete  list and
description  of all existing  Leases entered into by the Company or any Acquired
Subsidiary.

     (ii) To the knowledge of the Company,  neither the whole nor any portion of
the  Leaseholds  owned or held by the Company or by any Acquired  Subsidiary  is
subject to any  governmental  decree or order to be sold or is being  condemned,
expropriated  or otherwise taken by any  governmental  authority or other person
with or without payment or compensation therefor.

     (iii) All  improvements  located on the Leaseholds are in compliance in all
material  respects with all applicable  building codes, and the Company's or any
Acquired  Subsidiary's  use  of  the  Leaseholds  and  such  improvements  is in
compliance in all material  respects with all  applicable  zoning,  land use and
other laws, orders, ordinances and regulations affecting the Leaseholds.

     (h) Compliance with Laws. The Company has acquired the Assets and conducted
its business and the business of the Acquired  Subsidiaries  in compliance  with
all applicable laws, rules, ordinances and regulations and judgements,  decrees,
orders,  awards and  governmental and  non-governmental  permits and licenses to
which the  Company  or any  Acquired  Subsidiary  is  subject,  except  for such
breaches or  violations  that,  alone or in the  aggregate,  are not  reasonably
likely to have a material  adverse  effect on the financial  condition,  Assets,
business,  customers,  results of  operations  or prospects of the Company or an
Acquired  Subsidiary or that could not prevent,  materially  delay or materially
burden  the  transactions  contemplated  by this  Agreement  and  the  Ancillary
Agreements.

     (i)  Proprietary  Rights.  Schedule 3.1(i)  sets forth a true,  correct and
complete list and description


                                      -17-
<PAGE>

     (including without limitation, the jurisdiction in which registered) of all
registered  and common law trademarks  (including  service  marks),  tradenames,
trademark applications, copyright registrations, patents, patent applications or
inventions (collectively,  the "Proprietary Rights") used in connection with the
Company's or any of the Acquired  Subsidiaries'  businesses.  The Company or any
Acquired Subsidiary, as the case may be, has taken reasonable steps to establish
and  protect  its  interest  in and to the  Proprietary  Rights and there are no
material  limitations  or  prohibitions  on the current or  intended  use of the
Proprietary   Rights.  None  of  such  Proprietary  Rights  has  been  assigned,
transferred  or  licensed  to any third party  outside  the  ordinary  course of
business.   The  validity  or  enforceability   of  such  patents,   trademarks,
tradenames,  copyrights and applications and registrations  thereof has not been
challenged  by  others,  nor is  there  any  pending  or  threatened  litigation
involving  any of  such  patents,  trademarks,  tradenames  or  copyrights.  The
Company's  use of the  Proprietary  Rights  did not and will  not,  prior to the
Closing, constitute an infringement of the rights of any other person.

     (j)  Contracts.  Schedule  3.1(j) sets forth a true,  accurate and complete
list  of  all  Contracts  (other  than   maintenance   contracts)  that  involve
unfulfilled  aggregate  payments  or  obligations  of the Company or an Acquired
Subsidiary of more than  $40,000,  all  multi-site  Contracts and the 25 largest
single-site Contracts to which the Company or any Acquired Subsidiary is a party
to or bound.  A  complete  and  accurate  copy of each  Contract  identified  on
Schedule 3.1(j), together with all amendments,  modifications,  waivers or other
changes   thereto,   has  been  made   available   to  the   Purchaser   or  its
representatives.  Neither the Company nor any of the Acquired Subsidiaries is in
material breach, violation or default of or under, or in receipt of any claim of
breach,  violation or default of or under,  any  Contract.  There is no Contract
between the Company or an Acquired  Subsidiary and Computer  Systems  Associates
containing  an agreement  not to compete or other  material  restriction  on the
business  or  operations  of any of the  Company,  any  Acquired  Subsidiary  or
Computer  Systems  Associates.  The Company  will take all action  necessary  to
assign the confidentiality  agreement between it and Computer Systems Associates
to the Purchaser.

     (k) Employee Matters.  (i)  Schedule 3.1(k)  sets forth a true and complete
list  of the  names,  positions  and  current  salaries  of  each  Employee  and
independent contractor of the Company or of any of the Acquired Subsidiaries.



                                      -18-
<PAGE>


     (ii)  Neither  the Company nor any  Acquired  Subsidiary  is a party to, or
bound by, any collective bargaining or union Contract.

     (iii) The Company and the Acquired  Subsidiaries  are in  compliance in all
material respects with all applicable laws respecting  employment and employment
practices,  terms and conditions of employment and wages and hours.  There is no
unfair labor practice complaint against or involving the Company or any Acquired
Subsidiary  pending or, to the knowledge of the Company,  threatened  before the
National Labor Relations Board or other  Governmental  Entity. No labor strikes,
disputes,  slowdowns  or  stoppages  against the Company or any of the  Acquired
Subsidiaries exists or, to the knowledge of the Company, is threatened.

     (l) Employee Benefits and Obligations.

     (i) All bonus, deferred compensation, pension, retirement,  profit-sharing,
thrift,  savings,  employee  stock  ownership,   stock  bonus,  stock  purchase,
restricted stock and stock option plans, all employment or severance  contracts,
vacation,  person or sick time policies,  other material  employee benefit plans
and any  applicable  "change  of  control"  or similar  provisions  in any plan,
contract or  arrangement  (regardless  of whether they are funded or unfunded or
foreign or domestic) of the Company or any Acquired  Subsidiary  (the  "Employee
Benefit  Plans")  covering  employees  or former  employees of the Company or an
Acquired Subsidiary (the "Employees"),  including, but not limited to, "employee
benefit  plans"  within the meaning of Section 3(3) of the  Employee  Retirement
Income  Security  Act of 1974,  as amended  ("ERISA")  are set forth on Schedule
3.1(l).  True and complete copies of all Employee  Benefit Plans,  including any
related trust instruments and/or insurance contracts,  if any, forming a part of
any such  Employee  Benefit  Plans,  and all  amendments  thereto have been made
available to the Purchaser.

     (ii) All Employee Benefit Plans, to the extent subject to the provisions of
ERISA or the  provisions  of the Internal  Revenue Code of 1986, as amended (the
"Code"),  are in  substantial  compliance  with ERISA and the Code.  There is no
material  pending or  threatened  litigation  relating to the  Employee  Benefit
Plans.  The  Company  does  not  sponsor,  maintain,  contribute  to or  have an
obligation to contribute to, nor has ever maintained,  sponsored, contributed to
or had an obligation to  contribute  to any "employee  pension  benefit plan" or
"pension plan," as defined by Section 3(2) of ERISA.



                                      -19-
<PAGE>


     (iii)  Neither  the Company nor any of the  Acquired  Subsidiaries  has any
obligations  for retiree  health and life  benefits  under any Employee  Benefit
Plan,  except as set forth on Schedule 3.1(l).  There are no restrictions on the
ability of the Company or the Acquired  Subsidiaries  to amend or terminate  any
such  Employee  Benefit  Plan,  under the terms of such  Employee  Benefit Plan,
without incurring any liability thereunder.

     (iv) All Employee Benefit Plans covering  non-U.S.  Employees comply in all
material  respects  with  applicable  local law.  The Company  and the  Acquired
Subsidiaries have no material  unfunded  liabilities with respect to any Pension
Plan which covers non-U.S. Employees.

     (m) Litigation  and  Liabilities.  Except as set forth on Schedule  3.1(m),
there are no (i) civil,  criminal  or  administrative  actions,  suits,  claims,
hearings,  investi-  gations or proceedings  pending or, to the knowledge of the
Company,  threatened against the Company or any of its Acquired  Subsidiaries or
(ii)  obligations  or  liabilities,   whether  or  not  accrued,  contingent  or
otherwise,  including,  without limitation,  those relating to matters involving
any  Environmental  Law,  or any  other  facts or  circumstances  of  which  the
management  of the Company is aware that could  result in any claims  against or
obligations or  liabilities of the Company or any of the Acquired  Subsidiaries,
that,  alone or in the  aggregate,  are  reasonably  likely  to have a  material
adverse  effect  on  the  financial  condition,  Assets,  business,  results  of
operations or prospects of the Company or such Acquired Subsidiary or that could
not prevent, materially delay or materially burden the transactions contemplated
by this Agreement and the Ancillary Agreements.

     (n) Brokers  and  Finders.  Neither  the  Company nor any of its  officers,
directors  or  employees  has  employed  any  broker or finder or  incurred  any
liability for any  brokerage  fees,  commissions  or finder's fees in connection
with  the  transactions   contemplated   herein,  other  than  Sequoia  Partners
Incorporated, the fees and expenses of which are set forth on Schedule 1.3(e).

     (o)  Environmental  Matters.  Except for such matters that, alone or in the
aggregate,  are not reasonably  likely to have a material  adverse effect on the
financial  condition,  Assets,  business,  customers,  results of  operations or
prospects  of the Company or any  Acquired  Subsidiary,  (i) the Company and the
Acquired Subsidiaries have complied in all material respects with all applicable
Environmental  Laws;  (ii)  to the  knowledge  of the  Company,  the  properties
presently or formerly owned, leased


                                      -20-
<PAGE>

     or operated by the Company or the Acquired Subsidiaries (including, without
limitation,  soil,  groundwater  or surface  water on,  under or adjacent to the
properties,  and  buildings  thereon)  (the  "Properties")  do not  contain  any
Hazardous Substance other than as permitted under applicable  Environmental Law,
do not, and have not,  contained any underground  storage tanks, do not have any
asbestos present (and have not had any asbestos removed  therefrom) and have not
been used as a sanitary  landfill or hazardous  waste  disposal site  (provided,
however,  that with respect to Properties  formerly owned, leased or operated by
the Company or any Acquired Subsidiaries,  such representation is limited to the
period prior to the  disposition of such Properties by the Company or any of the
Acquired  Subsidiaries);  (iii)  neither  the  Company  nor any of the  Acquired
Subsidiaries   has  received  any  notices,   demand  letters  or  requests  for
information from any Governmental Entity or any third party that the Company may
be in  violation  of, or liable  under,  any  Environmental  Law and none of the
Company,  the Acquired  Subsidiaries  or the Properties are subject to any court
order,  administrative  order or decree arising under any  Environmental Law and
(iv) no  Hazardous  Substance  has been  disposed of,  transferred,  released or
transported  from any of the Properties  during the time such Property was owned
or operated by the Company or one of the  Acquired  Subsidiaries,  other than as
permitted under applicable Environmental Law.

     (p) Taxes. (i) There are (and immediately  following the Closing there will
be) no liens or similar  encumbrances  relating  or  attributable  to Taxes with
respect  to,  or  connected  with,  the  Assets or the  assets  of any  Acquired
Subsidiary, other than liens securing the payment of real property Taxes not yet
due.  There is no basis for the  assertion  of any  claims for Taxes  which,  if
adversely  determined,  would  result  in the  imposition  of a lien or  similar
encumbrance on the Assets or the assets of any Acquired  Subsidiary or otherwise
adversely  affect the  Purchaser or its use of the Assets.  All federal,  state,
local and foreign  tax  returns  and  reports of the  Company  and the  Acquired
Subsidiaries  required by law to be filed which relate to or affect the Acquired
Subsidiaries or the Assets or the Assumed  Liabilities  have been duly filed and
the taxes required to be shown on such returns have been paid.

     (ii)  Schedule  3.1(p),  which the Company  agrees to provide  prior to the
Closing  Date,  will set forth a true and correct list of the  adjusted  federal
income tax basis of each  category of the Assets as of December 31,  1995.  Each
such basis has been  calculated in all material  respects in compliance with the
Code and regulations thereunder.


                                      -21-
<PAGE>



     (q) Insurance.  Schedule 3.1(q),  which the Company agrees to provide prior
to the  Closing  Date,  will set forth a true,  correct  and  complete  list and
description of the insurance policies held by the Company or any of the Acquired
Subsidiaries covering any of the Assets.

     (r) Accounts  Receivable  and Payable.  All notes,  intercompany  and other
accounts receivable  reflected as a net amount on the Audited Balance Sheet, the
Interim  Balance Sheet,  the  Preliminary  Closing  Balance  Sheet,  the Closing
Balance  Sheet  and  the  Final  Closing   Balance  Sheet  represent  valid  and
enforceable  obligations due to the Company or any of the Acquired Subsidiaries,
as the case may be. As of the dates of the  applicable  Schedules,  neither  the
Company  nor any  Acquired  Subsidiary  has had or will  have  any  intercompany
receivables  or  payables  other  than  the  Intercompany  Receivables  and  the
Intercompany  Payables.  (s) Condition of the Assets.  (i) Taken as a whole, the
plant,  equipment and machinery included in the Assets are usable and in a state
of maintenance,  repair and operating  condition  suitable for operation and use
thereof in the  ordinary  course of the Company and the  Acquired  Subsidiaries'
business  as  currently  conducted.  (ii)  There are no  liabilities,  duties or
obligations  under any product  liability,  breach of  warranty  or  maintenance
claim,  express or implied,  arising out of or relating to any defect or damage,
or alleged defect or damage, in engineering,  development,  design, programming,
tooling,  manufacturing,  installation,  packaging  or shipping of any  product,
software,  Proprietary  Right or  Intellectual  Property  of the  Company or any
Acquired Subsidiary or, to the extent related to or arising out of the Assets or
the business of the Company or the Acquired Subsidiaries, any component thereof,
except for such  liabilities,  duties or  obligations  arising  in the  ordinary
course of business (it being  understood that claims for  consequential  damages
are not in the ordinary  course of business).  (t)  Bankruptcy  Proceedings.  No
petition  has been  filed  by or  against  the  Company  or any of the  Acquired
Subsidiaries for relief under any applicable  bankruptcy,  insolvency or similar
law, no decree or order for relief has been entered in respect of the Company or
any of the Acquired Subsidiaries,  voluntarily or involuntarily,  under any such
law;  and no receiver,  liquidator,  sequestrator,  trustee,  custodian or other
officer has been  appointed  with  respect to the Company or any of the Acquired
Subsidiaries or their assets and  liabilities  pursuant to any such law. No writ
of attachment, execution or similar process has been

                                      -22-
<PAGE>

     executed  against  the  Company or any of the  Acquired  Subsidiaries  with
respect  to any  assets or  properties  of the  Company  or any of the  Acquired
Subsidiaries.  Neither the Company nor any of the Acquired Subsidiaries has made
any assignment for the benefit of creditors. (u) Customers and Suppliers. To the
best knowledge of the Company,  no material  customer or supplier of the Company
or any  Acquired  Subsidiary  will cease or  substantially  reduce the  business
conducted with the Purchaser  after, or as a result of, the  consummation of the
transactions contemplated by this Agreement and the Ancillary Agreements. (v) No
Misstatements or Omissions. None of the documents,  reports,  schedules or other
information  provided by the Company or its  representatives to the Purchaser in
connection  with this Agreement or any Ancillary  Agreement or during the course
of  negotiations  culminating  in this  Agreement and the  Ancillary  Agreements
contained any untrue statement of a material fact or omitted to state a material
fact  required to be stated  therein or  necessary to make the  statements  made
therein,  in light of the circumstances in which they were made, not misleading.
The Company acknowledges and agrees that no representation or warranty set forth
herein or  exception  thereto  shall in any way  affect  the amount or nature of
Assumed  Liabilities  specifically  assumed by the Purchaser pursuant to Section
1.3 hereof.  (w) Investment.  The Company is acquiring the Consideration  Shares
for investment purposes only and not with a view to distribution in violation of
the  Securities  Act. The Company  understands  that the shares may not be sold,
offered  for sale,  pledged  or  hypotheticated  except in  accordance  with the
Securities  Act.  In  connection  with  any  liquidation,  dissolution  or other
distribution  of assets of the Company after the Closing Date,  the Company will
have sole  responsibility  for  determining the number of its  shareholders  and
option  holders  who  will  participate  in  such  liquidation,  dissolution  or
distribution, their respective residencies, their status as accredited investors
or otherwise, their representation by a purchaser representative, if needed, and
any other relevant considerations necessary to ensure that such transaction, for
purposes of Rule 145 under the  Securities  Act,  qualifies  under  Regulation D
under the Securities Act. If reasonably requested by the Purchaser,  the Company
will provide a legal opinion at the Closing with respect to such matters. 

                                   -23-
<PAGE>


     (x) Software License  Contracts.  In connection with the selected  software
licenses  relating to the four  accounts  set forth on Schedule  3.1(j)(2),  the
Company represents and warrants that (i) the cash receipts that are available to
be received for or under such software licenses after the Closing Date (provided
the Purchaser acts  reasonably  with respect to the terms of such licenses) will
be at least $725,000 and (ii) in no event will the amount reasonably required to
be spent after the Closing  Date in order to realize such cash  receipts  exceed
$375,000.  Any such cash receipts  received and expenses incurred after the date
of this  Agreement  and  prior to the  Closing  Date  shall be  treated  for all
purposes of this  Agreement  as if they  occurred  after the Closing  Date.  The
representation  and warranty contained in this Section 3.1(x) are not subject to
the limitation set forth in Section 6.4.

     3.2.  Representations  and  Warranties  of  the  Purchaser.  The  Purchaser
represents and warrants to the Company that:

     (a)  Corporate   Organization  and   Qualification.   The  Purchaser  is  a
corporation duly organized, validly existing and in good standing under the laws
of the State of Delaware  and is in good  standing as a foreign  corporation  in
each  jurisdiction  where  the  properties  owned,  leased or  operated,  or the
business conducted,  by it require such qualification except for such failure to
so qualify or to be in such good standing,  which,  when taken together with all
other such failures,  is not reasonably likely to have a material adverse effect
on the financial  condition,  proper- ties, business or results of operations of
the Purchaser and its subsidiaries, taken as a whole.
     (b) Corporate  Authority.  The Purchaser has the requisite  corporate power
and authority and has taken all corporate  action  necessary in order to execute
and deliver this Agreement and each of the Ancillary Agreements to which it is a
party and to consummate the transactions  contemplated hereby. This Agreement is
and each of the  Ancillary  Agreements  which it is a party will be, a valid and
binding  agreement  of  the  Purchaser  enforceable  against  the  Purchaser  in
accordance with its terms. (c) Governmental  Filings;  No Violations.  (i) Other
than as required by the Exchange Act or the rules and regulations promulgated by
the American Stock Exchange,  no notices,  reports or other filings are required
to be  made  by  the  Purchaser  with,  nor  are  any  consents,  registrations,
approvals,  permits or  authorizations  required to be obtained by the Purchaser
from, any Governmental Entity in connection

                                      -24-
<PAGE>

     with  the  execution  and  delivery  of this  Agreement  and the  Ancillary
Agreements  by the  Purchaser  and  the  consummation  by the  Purchaser  of the
transactions  contemplated hereby and thereby, the failure to make or obtain any
or all of which  could  prevent,  materially  delay  or  materially  burden  the
transactions contemplated by this Agreement and the Ancillary Agreements.

     (ii)  The  execution  and  delivery  of this  Agreement  and the  Ancillary
Agreements by the Purchaser does not, and the  consummation of the  transactions
contemplated  hereby by the  Purchaser  will not,  constitute or result in (A) a
breach or violation of, or a default under,  the Certificate of Incorporation or
By-Laws of the Purchaser or (B) a breach or violation of, a default  under,  the
acceleration of or the creation of a lien,  pledge,  security  interest or other
encumbrance  on assets  (with or  without  the  giving of notice or the lapse of
time)  pursuant to, any  provision of any Contract of the  Purchaser or any law,
ordinance, rule or regulation or judgment,  decree, order, award or governmental
or non-governmental permit or license to which the Purchaser is subject, except,
in the case of clause (B) above,  for such  breaches,  violations,  defaults  or
accelerations  that,  alone or in the aggregate,  could not prevent,  materially
delay or materially  burden the transactions  contemplated by this Agreement and
the Ancillary  Agreements.  (d) Purchaser Reports. As of their respective dates,
the  Purchaser  Reports  did  not,  and any  Purchaser  Reports  filed  with the
Securities  and Exchange  Commission  ("SEC")  subsequent to the date hereof and
prior to the Closing Date will not,  contain any untrue  statement of a material
fact or omit to state a material fact required to be stated therein or necessary
to make the statements made therein, in light of the circumstances in which they
were made, not misleading. Other than the Purchaser Reports, the Company has not
filed any other definitive reports or statements with the SEC since December 31,
1995. (e) Capitalization. The authorized capital stock of the Purchaser consists
of 25,000,000  shares of Common Stock of which, as of the date hereof,  not more
than 7.0 million shares are outstanding. The Consideration Shares have been duly
and validly  authorized,  and, upon the issuance to the Company pursuant to this
Agreement or the Put/Call and Registration Rights Agreement,  will be fully paid
and  non-assessable.  Prior to the Closing Date, the Purchaser shall comply with
its  obligations  under its listing  agreement  with the American Stock Exchange
with respect to listing the Consideration Shares on such exchange. 

                                   -25-
<PAGE>


     (f)  Absence  of  Material  Adverse  Change.  Since the date of the  latest
Purchaser Report,  the Purchaser has conducted its business only in, and has not
engaged in any material  transaction  (other than the transactions  contemplated
hereby) other than  according to, the ordinary and usual course of such business
and there has not been any material  adverse change in the financial  condition,
assets, business, customers, results of operations or prospects of the Purchaser
or any  development or combination  of  developments  of which the Purchaser has
knowledge which may result in any such change.



                                   ARTICLE IV

                                    Covenants

     4.1. Interim  Operations of the Company.  The Company  covenants and agrees
that, after the date of this Agreement and prior to the Closing Date (unless the
Purchaser shall otherwise agree in writing and except as otherwise  contemplated
by this Agreement):
     (a) the business of the Company and its  subsidi-  aries shall be conducted
only in the ordinary and usual course and, to the extent  consistent  therewith,
each of the Company and its  subsidiaries  shall use its  reasonable  efforts to
preserve its business organization,  goodwill and properties intact and maintain
its  existing  relations  with  customers,  suppliers,  Employees  and  business
associates;  (b) the Company and its Acquired  Subsidiaries  shall  maintain the
Assets and Leaseholds in accordance  with their past  practice;  (c) the Company
and the  Acquired  Subsidiaries  shall  not sell or  pledge  or agree to sell or
pledge  any stock  owned by it or them in any of the  Acquired  Subsidiaries  or
declare,  set aside or pay any dividend  payable in cash, stock or property with
respect to any of its or their  capital  stock or transfer,  assume or incur any
assets or liabilities, or enter into any other transaction,  between the Company
and an Acquired  Subsidiary  other than in the ordinary course of business;  (d)
neither the Company nor any of its subsidi- aries shall (i) issue, sell, pledge,
dispose of or encumber any additional  shares of, or securities con- vertible or
exchangeable for, or options, warrants,

                                      -26-
<PAGE>

     calls,  commitments or rights of any kind to acquire, any shares of capital
stock of any class of any Acquired Subsidiary;  (ii) transfer,  lease,  license,
guarantee, sell, mortgage, pledge, dispose of or encumber any assets or incur or
modify any  indebtedness or other liability other than in the ordinary and usual
course of business;  (iii)  acquire  directly or  indirectly  by  redemption  or
otherwise  any  shares  of the  capital  stock of the  Company  or any  Acquired
Subsidiary; (iv) authorize capital expenditures in excess of $40,000 or make any
acquisition of, or investment in, assets or stock of any other person or entity;
or (v) enter into any  Contract  that,  if entered  into before the date of this
Agreement,  would need to be disclosed on Schedule  3.1(j) (it being  understood
that the Purchaser will not unreasonably  withhold its agreement with respect to
any such Contract);  (e) neither the Company nor any of its subsidi- aries shall
grant any  severance  or  termination  pay to, or enter into any  employment  or
severance agreement with any director,  officer or other Employee of the Company
or its subsidiaries other than pursuant to Contracts existing on the date hereof
or involving payments of no more than two weeks' salary; and neither the Company
nor any of its  subsidiaries  shall establish,  adopt,  enter into, make any new
grants or awards  under or amend any  Employee  Benefit  Plan;  (f)  neither the
Company nor any of its subsidi-  aries shall settle or  compromise  any material
claims or  litigation  or,  except in the ordinary and usual course of business,
modify,  amend or terminate any of its Contracts or waive, release or assign any
material rights or claims;  (g) neither the Company nor any of its  subsidiaries
shall  make any tax  election  or permit  any  insurance  policy  naming it as a
beneficiary or a loss payable payee to be canceled or terminated  without notice
to the Purchaser,  except in the ordinary and usual course of business;  and (h)
neither the Company nor any of its  subsidiar-  ies will authorize or enter into
an agreement to do any of the foregoing.

     4.2. Acquisition Proposals. The Company agrees that neither the Company nor
any of its subsidiaries nor any of the respective  officers and directors of the
Company or its subsidiaries shall, and the Company shall direct and use


                                      -27-
<PAGE>


     its best  efforts  to  cause  its  employees,  agents  and  representatives
(including,  without limitation,  any investment banker,  attorney or accountant
retained by the Company or any of its subsidiaries) not to, initiate, solicit or
encourage,  directly or indirectly,  any inquiries or the making of any proposal
or offer (including,  without limitation,  any proposal or offer to shareholders
of the Company) with respect to a merger,  consolidation or similar  transaction
involving,  or any purchase of all or any  significant  portion of the assets or
any equity  securities  of, the  Company  or any of its  subsidiaries  (any such
proposal or offer being hereinafter referred to as an "Acquisition Proposal") or
engage in any negotiations  concerning,  or provide any confidential information
or data to, or have any discussions  with, any person relating to an Acquisition
Proposal,  or otherwise facilitate any effort or attempt to make or implement an
Acquisition  Proposal.  The  Company  will  immediately  cease  and  cause to be
terminated any existing activities, discussions or negotiations with any parties
conducted heretofore with respect to any of the foregoing. The Company will take
the necessary  steps to inform the  individuals  or entities  referred to in the
first  sentence  hereof of the  obligations  undertaken in this Section 4.2. The
Company will notify the Purchaser immediately if any such inquiries or proposals
are  received  by,  any  such   information  is  requested  from,  or  any  such
negotiations  or  discussions  are sought to be initiated or continued  with the
Company.  The Company also will  promptly  request  each person,  other than the
Purchaser,   which  has  heretofore  executed  a  confidentiality  agreement  in
connection with its  consideration of acquiring the Company to return or destroy
all confidential information heretofore furnished to such person by or on behalf
of the Company.

     4.3.  Filings;  Other Action.  Subject to the terms and  conditions  herein
provided, the Company and the Purchaser shall use their best efforts to promptly
take,  or cause to be taken,  all other action and do, or cause to be done,  all
other  things  necessary,  proper  or  appropriate  under  applicable  laws  and
regulations to consummate and make effective the  transactions  contemplated  by
this Agreement and the Ancillary Agreements as soon as practicable.  The Company
will have sole  responsibility  for obtaining any consents from its shareholders
with  respect  to the  transactions  contemplated  by  this  Agreement  and  the
Ancillary Agreements (which consent process shall comply with Regulation D under
the  Securities  Act).  The Company will also have sole  responsibility  for any
ancillary matters to such consent  solicitation  such as any dissenters'  rights
available to such shareholders  under applicable law. At any time from and after
the Closing, the Company and the


                                      -28-
<PAGE>


     Purchaser  shall  execute,  acknowledge,  swear  to,  deliver  and file any
further assignments,  conveyances,  assurances, instruments of transfer or other
documents  requested  by the other  party,  and shall take any other  action not
inconsistent with the terms of this Agreement and the Ancillary  Agreements that
may  reasonably  be requested by the other party,  for the purpose of assigning,
transferring,  granting,  conveying,  confirming  or reducing to  possession  or
perfecting the  Purchaser's  title to the Assets or otherwise for the purpose of
giving  effect  to the  intent of the  parties  hereto  in  connection  with the
transactions  contemplated hereby. At the Closing, the Company shall execute and
deliver a power of attorney to the Purchaser enabling the Purchaser to take such
actions on behalf of, or in the name of, the Company.

     4.4.  Access.  Upon reasonable  notice,  the Company shall (and shall cause
each  of its  subsidiaries  to)  afford  the  Purchaser's  officers,  employees,
counsel,  accountants and other authorized  representatives  ("Representatives")
access,  during normal business hours throughout the period prior to the Closing
Date, to its properties,  books,  Contracts and records and, during such period,
the Company shall (and shall cause each of its subsidiaries to) furnish promptly
to the  Purchaser  all  information  concerning  its  business,  properties  and
personnel  as the  Purchaser  or its  Representatives  may  reasonably  request,
provided that no  investigation  pursuant to this Section 4.4 shall affect or be
deemed to  modify  any  representation  or  warranty  made by the  Company.  All
requests for information  made pursuant to this Section 4.4 shall be directed to
an executive  officer of the Company or such person as may be  designated by any
such officer. The Purchaser will not, and will cause its Representatives not to,
use any  information  obtained  pursuant  to this  Section  4.4 for any  purpose
unrelated to the consummation of the transactions contemplated by this Agreement
and the  Ancillary  Agreements.  Subject  to the  requirements  of law,  pending
consummation of the transactions  herein  contemplated,  the Purchaser will keep
confidential,  and will  cause its  Representatives  to keep  confidential,  all
information  and  documents  obtained  pursuant to this  Section 4.4 unless such
information (i) was already known to the Purchaser prior to the execution of the
Confidentiality  Agreement,  (ii) becomes  available to the Purchaser from other
sources not known by the Purchaser to be bound by a confidentiality  obligation,
(iii) is independently acquired by the Purchaser as a result of work carried out
by any employee or representative of the Purchaser to whom no disclosure of such
information has been made, (iv) is disclosed with the prior written  approval of
the Company or (v) is or becomes readily ascertainable from


                                      -29-
<PAGE>



     published  information  or trade  sources.  Upon any ter-  mination of this
Agreement,  the Purchaser  will collect and deliver to the Company all documents
obtained by it or any of its  Representatives  then in their  possession and any
copies, summaries and abstracts thereof.

     4.5.  Notification of Certain Matters. The Company shall give prompt notice
to the Purchaser  after the date of this Agreement and prior to the Closing Date
of: (a) any notice of, or other communication relating to, any Environmental Law
or Hazardous  Substance,  or any default or event that,  with notice or lapse of
time or both,  would  become a default,  received  by the  Company or any of its
subsidiaries  subsequent to the date of this  Agreement and prior to the Closing
Date,  under any Contract to which the Company or any of its  subsidiaries  is a
party or is  subject;  and (b) any  material  adverse  change  in the  financial
condition,  Assets, business,  customers,  results of operations or prospects of
the Company or an Acquired Subsidiary or the occurrence of any event (other than
the  transactions  contemplated  hereby)  which,  so far as rea-  sonably can be
foreseen at the time of its  occurrence,  is reasonably  likely to result in any
such change.  Each of the Company and the Purchaser  shall give prompt notice to
the other  party of any  notice  or other  communication  from any  third  party
alleging  that  the  consent  of  such  third  party  is or may be  required  in
connection  with the  transactions  con-  templated  by this  Agreement  and the
Ancillary Agreements.

     4.6.  Publicity.  The Company and the Purchaser  shall jointly  produce and
mutually  agree on the  timing  and  substance  of  public  press  releases  and
announcements regarding the transactions contemplated hereby; provided, that the
Purchaser  shall  have the  right in its sole and  absolute  discretion  to make
whatever  public press  releases or  announcements  which it deems  necessary in
order to comply with applicable  federal and state securities or other laws, and
the rules and  regulations  promulgated  by the  American  Stock  Exchange;  and
provided,  further,  that the Purchaser shall use reasonable efforts to give the
Company advance notice of any such public press releases.

     4.7. Employees. (a) Effective as of the Closing Date, the Purchaser and the
Company shall enter into an employee  services  agreement,  substantially in the
form of Annex K hereto (the "Employee Services Agreement"),  with respect to the
Employees  of the  Company  on the  Closing  Date  identified  in writing by the
Purchaser at least two weeks prior to the Closing (the "Leased Employees"),  for
a period  beginning  on the Closing  Date and ending on the date that is 90 days
following the Closing Date (the "Lease Period").


                                    -30-
<PAGE>



     The Company shall have no liability  should any Employee be unwilling to be
leased to the Purchaser, with respect to the Purchaser's inability to lease such
Employee. In the case of any Acquired Subsidiary,  the Acquired Subsidiary shall
continue to employ the employees of such Acquired Subsidiary effective as of the
Closing Date.  The  Purchaser  shall notify the Company  promptly,  and at least
prior to two weeks prior to the date that the  services  of any Leased  Employee
are no longer  required by the  Purchaser,  regarding  any such Leased  Employee
whose services are no longer  required by the Purchaser,  or the Purchaser shall
assume such Leased Employee's  accrued vacation  liability.  The Purchaser shall
not assume any  liability  for, or otherwise be  responsible  for, any severance
obligations incurred by the Company with respect to Leased Employees.
     (b) At or prior to the Closing  Date,  the  Purchaser and Robert S. Sanford
shall enter into the Consulting  Agreement,  in the form of Annex D hereto.  (c)
The Company  shall be solely  responsible  for all notices  required to be given
under the WARN Act or other similar  statutes or regulations of any jurisdiction
relating  to any plant  closing or mass layoff or as  otherwise  required by any
such statute to the extent of any Leased  Employees that do not become employees
of the Purchaser. The Purchaser shall be solely responsible for all such notices
with respect to Leased Employees who become employees of the Purchaser.  (d) The
Purchaser shall not assume, adopt or sponsor any Employee Benefit Plan following
the Closing Date. The Company or, where  appropriate,  an Employee  Benefit Plan
shall  retain  liability  for  all  benefits,   including,  without  limitation,
severance  benefits,  or contributions  accrued and all expenses  incurred on or
prior to the expiration of the Lease Period under all Employee  Benefit Plans or
otherwise applicable with respect to the Employees or the Leased Employees.  Any
Employee  Benefit  Plan that is a "group  health  plan"  within  the  meaning of
Section 5000(b)(1) of the Code shall retain liability for and shall pay when due
all  benefits  attributable  to the  Leased  Employees  and  their  spouses  and
dependents who are "qualified  beneficiaries"  entitled to continuation coverage
under  Section  4980B of the Code or Part 6 of Subtitle B of ERISA as of the end
of the Lease  Period,  regardless of when  services  where  rendered or expenses
incurred.
                                      -31-
<PAGE>


                  4.8.     Agreement Not to Compete.

     (a) Agreement. The Company agrees that for a period of three (3) years from
the Closing  Date,  it shall not directly or  indirectly,  engage in or have any
ownership interest in, or participate in the financing, operation, management or
control  of,  any  person,  firm,  corporation  or  business  that  engages in a
Restricted Business in a Restricted Territory. (b) No Solicitation.  The Company
agrees that it shall not,  directly or indirectly,  during the three-year period
commencing  on the  date  of this  Agreement,  solicit  (i) any of the  existing
customers of the Company or the Purchaser for purposes of obtaining their custom
or trade with respect to the  Restricted  Business,  or (ii) any of the existing
Employees  of the  Company or the  Purchaser  for  purposes of  obtaining  their
employment  services  in a business  which is  competitive  with the  Restricted
Business.  (c)  Separate  Covenants.  The  parties  intend  that  the  covenants
contained in the preceding  paragraphs of this Section 4.8 shall be construed as
a series  of  separate  covenants,  one for each  county,  city and state of the
Restricted  Territory.  Except  for  geographic  coverage,  each  such  separate
covenant  shall be deemed  identical in terms to the covenants  contained in the
preceding  paragraphs.  If, in any judicial proceeding,  a court shall refuse to
enforce any of the separate  covenants (or any part thereof)  deemed included in
said  paragraphs,  then such  unenforceable  covenants  (or such part)  shall be
deemed  eliminated  from this Agreement for the purpose of those  proceedings to
the extent  necessary to permit the  remaining  separate  covenants (or portions
thereof) to be enforced.  (d)  Reformation.  In the event that the provisions of
this  Section  4.8 should ever be deemed to exceed the  duration  or  geographic
limitations or scope permitted by applicable law, then such provisions  shall be
reformed to the maximum time or geographic limitations in scope, as the case may
be,  permitted  by  applicable  laws.  (e)  Specific  Performance.  The  Company
acknowledges that it would be impossible to determine the amount of damages that
would  result from any breach of any of the  provisions  of this Section 4.8 and
that the remedy at law for any  breach,  or  threatened  breach,  of any of such
provisions  would  likely  be  inadequate  and,  accordingly,  agrees  that  the
Purchaser  shall, in addition to any other rights or remedies which it may have,
be entitled to seek such equitable and injunctive relief as may be available

                                      -32-
<PAGE>


     from any court of  competent  jurisdiction  to restrain  the  Company  from
violating any of such  provisions  of this  Agreement.  In  connection  with any
action or proceeding for injunctive  relief, the Company hereby waives the claim
or defense  that a remedy at law alone is adequate  and  agrees,  to the maximum
extent  permitted  by law,  to have  each such  provision  of this  Section  4.8
specifically enforced against it, without the necessity of posting bond or other
security  against it, and consents to the entry of injunctive  relief against it
enjoining or restraining  any breach or threatened  breach of such provisions of
this Section 4.8.

     4.9. Bulk Transfer or Sales. The Company agrees to take all action, if any,
necessary  to  comply  with  the  bulk  transfer  or  bulk  sales  laws  of  any
jurisdiction,  including  without  limitation  Section  6105  of the  California
Commercial Code.

     4.10.  Corporate Name. The Company will take all action  necessary to allow
or permit the Purchaser to use the name "Hotel Information Systems" and promptly
following  the Closing will amend its Articles of  Incorporation  to remove such
name from its corporate name.

     4.11.  Covenants of the Purchaser.  (a) Subject to the terms and conditions
of this Agreement,  the Purchaser agrees to take all action necessary to acquire
the Assets and to assume and perform the Assumed  Liabilities  as of the Closing
Date.  (b) The  Purchaser  covenants  and  agrees  that,  after the date of this
Agreement and prior to the Closing Date (unless the Company  otherwise agrees in
writing and except as otherwise  contemplated by this Agreement),  the Purchaser
shall not take any action that could  prevent,  materially  delay or  materially
burden  the  transactions  contemplated  by this  Agreement  and  the  Ancillary
Agreements.  (c) For a period of four years after the Closing Date, solely as an
accommodation  to the  Company,  the  Purchaser  agrees that it will provide the
Company and its  representatives  access to its books and records that relate to
the business and  operations  of the Company  prior to the Closing Date and will
cause its employees to cooperate with the Company and its  representatives,  and
assist in the collection of  information,  in each case so long as the requested
access,  cooperation  and  assistance  is  reasonable  in  scope  and  does  not
unreasonably  interfere  with  or  burden  the  operations  or  business  of the
Purchaser or the duties or  responsibilities  of any employee of the  Purchaser.
The Purchaser shall allow the Company to occupy one locked


                                      -33-
<PAGE>

       office  at the  facilities  acquired  by the  Purchaser  in
Concord,  California until the end of the current lease term or, if earlier, the
date the Purchaser ceases occupying such  facilities.  The Purchaser  assumes no
responsibility or liability for any such  information,  cooperation or office or
any of the business or operations of the Company after the Closing Date. (d) The
Purchaser  agrees to pay the amounts due under the CSA Note,  the  Debenture and
the Merrill Lynch  Revolving  Credit  Facility on the Closing Date.  The Company
agrees not to increase the principal  amount under any such  obligations  at any
time before,  on or after the Closing Date and will take all action necessary to
ensure  that  all  such  obligations  and  any  Contracts  related  thereto  are
terminated  promptly  after the above  payment  has been made.  4.12.  Insurance
Policies.  With respect to any insurance  policy that is assigned or transferred
to the Purchaser, the Purchaser shall, to the extent practicable and appropriate
in view of the  Non-Assumed  Liabilities,  take  reasonable  steps  to have  the
Company  named as an additional  insured  under such policy.  ARTICLE V Closing;
Closing  Conditions 5.1.  Closing.  The closing  hereunder (the "Closing") shall
take place at the offices of Sullivan & Cromwell,  counsel to the Purchaser,  at
9:00  a.m.,  Los  Angeles  time,  on the later of (a) July 31,  1996 and (b) the
second business day after  satisfaction of all conditions to closing  hereunder,
or at such other time and date as the Company and the Purchaser  shall  mutually
agree,  such time and date  being  herein  called  the  "Closing  Date," and the
Closing  shall be  effective  as of the close of the  Company's  business on the
Closing  Date.  All actions to be taken and all  documents  to be  executed  and
delivered  as of the Closing  Date shall be deemed to have been taken,  executed
and delivered  simultaneously,  and no action shall be deemed to have been taken
nor any  documents  executed  and  delivered  until all such  have  been  taken,
executed and delivered.  5.2.  Conditions to  Obligations of the Purchaser.  The
obligations  of the Purchaser to  consummate  the actions  contemplated  by this
Agreement and the Ancillary Agreements are subject to the fulfillment of each of
the following conditions, any or all of which may be waived in whole or in

                                      -34-
<PAGE>


part by the Purchaser to the extent permitted by applicable
law: (a)  Governmental  Consents.  All filings  required to be made prior to the
Closing Date by the Company with, and all consents, approvals and authorizations
required  to be  obtained  prior  to the  Closing  Date  by the  Company  or the
Purchaser  from, any  Governmental  Entity in connection  with the execution and
delivery of this  Agreement and the Ancillary  Agreements by the Company and the
Purchaser  and the  consummation  of the  transactions  contemplated  hereby and
thereby by the Company and the  Purchaser  shall have been made or obtained  (as
the case may be);  (b)  Litigation.  No court or other  Governmental  Entity  of
competent  jurisdiction  shall have enacted,  issued,  promulgated,  enforced or
entered any statute, rule,  regulation,  judgment,  decree,  injunction or other
order  (whether  temporary,  preliminary  or  permanent)  which is in effect and
prohibits  consummation of the  transactions  contemplated by this Agreement and
the Ancillary  Agreements or imposes  material  restrictions on the Purchaser or
the Company in connection with consummation of the Sale or with respect to their
business operations, either prior to or subsequent to the Sale (collectively, an
"Order"); (c) Compliance; Consents. The representations and warranties contained
in Section 3.1 shall be true in all material  respects as of the Closing Date as
though made at and as of the Closing  Date  except for changes  contemplated  by
this  Agreement,  the Company shall have complied in all material  respects with
the covenants and agreements  contained in this Agreement to be complied with or
performed by the Company  prior to the Closing  Date and the Company  shall have
obtained any necessary  consents from parties in contract with it to the Sale on
terms  and  conditions  reasonably  satisfactory  to the  Purchaser;  (d)  Other
Obligations.  The Company shall have fulfilled its obligations under Article IV;
(e) Financial  Statements  and Other.  The Company  shall have  delivered to the
Purchaser  the Audited  Financial  Statements;  all consents  listed in Schedule
3.1(d) shall have been obtained on terms and conditions reasonably  satisfactory
to the Purchaser except for such consents, alone or in the aggregate,  which the
failure to obtain is not reasonably  likely to have a material adverse effect on
the financial condition,  Assets, business,  customers, results of operations or
prospects of the Company or any Acquired  Subsidiary  or that could not prevent,
materially

                                      -35-
<PAGE>



delay or materially  burden the transactions  contemplated by this Agreement and
the Ancillary Agreements; the System/36 Front Office Software owned by Robert S.
Sanford shall have been  contributed to the Company and be a Proprietary  Right;
(f)  Preliminary  Closing  Balance Sheet.  (i) The Current Ratio and Net Current
Assets on the Preliminary Closing Balance Sheet are greater than or equal to the
Current Ratio (1.483 to 1.0) and Net Current Assets  ($2,758,225) on the Interim
Balance  Sheet and (ii) Net Worth on the  Preliminary  Closing  Balance Sheet is
greater than or equal to Net Worth (negative  $5,562,359) on the Interim Balance
Sheet  unless a revision  has been agreed to under  Section  2.5(a);  and (g) No
Material  Adverse  Change.  There shall not have  occurred any material  adverse
change in the  financial  condition,  Assets,  business,  customers,  results of
operations  or  prospects  of  the  Company  or an  Acquired  Subsidiary  or the
occurrence of any event (other than the transactions contemplated hereby) which,
so  far as  reasonably  can  be  foreseen  at the  time  of its  occurrence,  is
reasonably  likely to result in any such  change;  provided  that the  Purchaser
agrees that the failure of the Company and the  Acquired  Subsidiaries  to enter
into new license sales agreements  during the period between the signing of this
Agreement and the Closing shall not constitute  such a material  adverse change.
5.3. Conditions to Obligations of the Company. The obligations of the Company to
consummate  the Sale are  subject to the  fulfillment  of each of the  following
conditions, any or all of which may be waived in whole or in part by the Company
to the extent  permitted by  applicable  law:  (a)  Governmental  Consents.  All
filings required to be made prior to the Closing Date by the Purchaser with, and
all  consents,  approvals,  permits and  authorizations  required to be obtained
prior to the Closing Date by the Purchaser or the Company from, any Governmental
Entity in connection  with the execution and delivery of this  Agreement and the
Ancillary  Agreements by the Purchaser and the Company and the  consummation  of
the  transactions  contemplated  hereby  and  thereby by the  Purchaser  and the
Company shall have been made or obtained (as the case may be); (b) Order.  There
shall be in effect no Order;

                                      -36-
<PAGE>

     (c) Compliance. The representations and warranties contained in Section 3.2
shall be true in all material  respects as of the Closing Date as though made at
and as of the Closing Date except for changes  contemplated  by this  Agreement,
the Purchaser  shall have  complied in all material  respects with the covenants
and  agreements  contained in this Agreement to be complied with or performed by
the Purchaser  prior to the Closing Date and the  Purchaser  shall have obtained
any necessary consents from parties in contract with it to the Sale on terms and
conditions  reasonably  satisfactory  to the Company  except for such  consents,
alone or in the aggregate,  which the failure to obtain is not reasonably likely
to have a material adverse effect on the financial condition,  assets, business,
customers, results of operations or prospects of the Purchaser or that could not
prevent,  materially delay or materially burden the transactions contemplated by
this  Agreement  and  the  Ancillary  Agreements;  (d)  Other  Obligations.  The
Purchaser  shall have fulfilled its  obligations  under Article IV; (e) American
Stock Exchange. The Consideration Shares shall have been approved for listing on
the  American  Stock  Exchange;  and (f) Tax  Opinion.  The  Company  shall have
received  a tax  opinion  from  Heller,  Ehrman,  White  &  McAuliffe  as to the
transactions  contemplated hereby that is reasonably  acceptable to the Company,
provided that this condition shall be deemed to be satisfied  unless the Company
gives written notice to the Purchaser of failure of this  condition  within five
business days of the date of this Agreement. ARTICLE VI Indemnification 6.1. The
Company's  Indemnification.   The  Company  hereby  indemnifies  and  holds  the
Purchaser and its officers, directors, shareholders,  affiliates, successors and
assigns harmless from and against any and all damages,  losses,  claims,  suits,
actions,  proceedings,  judgments,  assessments,   deficiencies,  penalties  and
interest,  liabilities and expenses  (including  reasonable  attorneys' fees and
disbursements)  together  with  any  such  costs  or  expenses  to  enforce  the
provisions  hereof  (collectively,  "Claims")  arising  out  of,  based  upon or
resulting from: (i) the inaccuracy of any representation or warranty made by the
Company,  or the  material  breach by the  Company  of any  -37-Company,  or the
material breach by the Company of any

                                      -37-
<PAGE>

covenant  or  agreement  of the  Company  contained  in  this  Agreement  or any
Ancillary  Agreement;  (ii) except as specifically set forth herein, the conduct
of the business of the Company on or prior to Closing Date; (iii) any NonAssumed
Liability;  or (iv) any amount due in respect of the Other Liabilities in excess
of  $2,890,230.  6.2. The  Purchaser's  Indemnification.  The  Purchaser  hereby
indemnifies  and holds the Company and its  officers,  directors,  shareholders,
affiliates,  successors and assigns harmless from and against all Claims arising
out of, based upon or resulting from any Assumed Liability. 6.3. Indemnification
Procedure. In case (A) the Purchaser, the Company or any other indemnified party
determines  that it is entitled to  indemnification  under Section 6.1 or 6.2 or
(B) the Purchaser,  the Company or any other  indemnified party receives written
notice of any claim,  suit,  action or  proceeding  from any person who is not a
party to this  Agreement  which is subject to  indemnification  hereunder,  such
party (the  "Indemnified  Party") shall give prompt written notice in reasonable
detail to the other party (the  "Indemnifying  Party").  The Indemnifying  Party
shall,  at its  expense,  defend any such third  party  claim,  suit,  action or
proceeding  through  counsel of its own choice that is reasonably  acceptable to
the Indemnified  Party,  and failing such defense,  the Indemnified  Party shall
have the right to (but shall not be obligated to) pay,  compromise or defend the
same.  In any claim,  suit,  action or proceeding  defended by the  Indemnifying
Party, the Indemnified Party may participate,  at its expense, in the defense of
same.  The  Indemnifying  Party shall not in the defense of a third party claim,
suit,  action or  proceeding  consent to entry of any judgment or enter into any
settlement that provides any release of the Indemnifying Party and that (i) does
not  include as an  unconditional  term  thereof  the giving by the  claimant or
plaintiff to the Indemnified Party of a release from all liability in respect of
all Claims arising  therefrom or (ii) requires the performance of any act (other
than the  payment of moneys for which such  Indemnified  Party is held  harmless
hereunder) or the agreement not to perform any act by the Indemnified  Party, in
each case except with the written consent of the Indemnified Party. 6.4. Minimum
Claims. No claim for  indemnification  may be made hereunder against the Company
unless and until the  aggregate  amount of Claims for which  indemnification  is
expected to be made against the Company exceeds $250,000.

                                      -38-
<PAGE>

     6.5. Consideration Shares. To the extent the Company does not promptly pay,
compromise  or defend any valid Claim under Section 6.1 for which the Company is
liable, then in accordance with the terms of the Escrow Agreement, the Purchaser
and/or the Company  shall be entitled to cause the Escrow Agent to deliver to or
upon the order of the Purchaser or any other Indemnified  Party, as the case may
be, that number of Ordinary Consideration Shares, whether held by HIS or any HIS
Entity,  equal to the Claim based on the  average of the  closing  prices of the
Common Stock on the American  Stock  Exchange for the ten trading days preceding
the date of notice to the Escrow Agent to deliver such shares, rounded up to the
nearest whole share.  If the number of Ordinary  Consideration  Shares would not
provide a value equal to the amount of the Claim,  and if in accordance with the
Escrow  Agreement,  the property then held in escrow  thereunder  includes Other
Escrow  Property  and/or  Permitted  Investments  (each as defined in the Escrow
Agreement)  that  derived  from  the  Ordinary  Consideration  Shares,  then the
Purchaser  shall also be entitled to satisfy such Claim out of such Other Escrow
Property  and  Permitted  Investments,  valued at fair market  value,  up to the
amount of any deficiency  represented  by Ordinary  Consideration  Shares.  6.6.
Exclusive Remedy.  Following the Closing, the provisions of Section 6.5 shall be
the sole and exclusive  remedy of the Purchaser  hereunder for the breach of any
representation  or warranty of the Company in Section 3.1 (other than matters of
title in Section 3.1(g));  provided,  however,  that nothing in this Section 6.6
shall be  deemed to have  waived or  released  any  claims,  causes of action or
remedies  which   Purchaser  may  have  against  the  Company  for   intentional
misrepresentation.  ARTICLE VII Termination 7.1.  Termination by Mutual Consent.
This Agree- ment and the Ancillary Agreements may be terminated and the Sale may
be abandoned at any time prior to the Closing Date by the mutual  consent of the
Purchaser and the Company,  by action of their  respective  Boards of Directors.
7.2. Termination by Either the Purchaser or the Company.  This Agreement and the
Ancillary  Agreements  may be terminated and the Sale may be abandoned by action
of the Board of  Directors  of either the  Purchaser  or the Company if the Sale
shall not have been consummated by September 30,

                                      -39-
<PAGE>


     1996,  or if the Company  timely gives the notice  contemplated  by Section
5.3(f) regarding  non-receipt of tax opinion. 7.3. Termination by the Purchaser.
This  Agreement and the Ancillary  Agreements may be terminated and the Sale may
be  abandoned  at any time prior to the  Closing  Date by action of the Board of
Directors of the  Purchaser,  if the Company  shall have failed to comply in any
material  respect  with any of the  representations,  warranties,  covenants  or
agreements contained in this Agreement or any Ancillary Agreement to be complied
with or performed by the Company at or prior to such date of  termination  after
notice of such failure and 10 business  days to cure.  7.4.  Termination  by the
Company.  This Agreement and the Ancillary  Agreements may be terminated and the
Sale may be  abandoned  at any time prior to the  Closing  Date by action of the
Board of Directors of the Company,  if the Purchaser shall have failed to comply
in any material respect with any of the representations,  warranties,  covenants
or  agreements  contained  in this  Agreement or any  Ancillary  Agreement to be
complied  with or  performed  by the  Purchaser  at or  prior  to  such  date of
termination  after  notice of such  failure and 10 business  days to cure.  7.5.
Effect of  Termination  and  Abandonment.  In the event of  termination  of this
Agreement and the Ancillary  Agreements and  abandonment of the Sale pursuant to
this Article VII, no party  hereto (or any of its  directors or officers)  shall
have any liability or further  obligation to any other party to this  Agreement,
except as provided in Section 8.2;  provided,  that nothing  herein will relieve
any party from liability for any willful breach of this Agreement.  ARTICLE VIII
Miscellaneous  and General  8.1.  Payment of  Expenses.  Whether or not the Sale
shall be consummated,  each party hereto shall pay its own expenses  incident to
preparing  for,  entering into and carrying out this Agreement and the Ancillary
Agreements and the consummation of the Sale. 8.2. Survival. The representations,
warranties,  covenants and agreements of the Company and the Purchaser contained
in this Agreement and the Ancillary Agreements shall survive the consummation of
the Sale except that the  representations  and  warranties in Article III (other
than
                                      -40-
<PAGE>

 those  pertaining  to title in section  3.1(g))  shall  terminate  (except for
matters as to which a Claim has been made prior thereto) on the date that is one
year after the Closing  Date.  The  agreements  of the Company and the Purchaser
contained in Sections 4.4 and 7.5 of this  Agreement and this Article VIII shall
survive the termination of this Agreement, but the other provisions hereof shall
not survive such termination.  8.3. Amendment; Waiver. This Agreement may not be
modified  or  amended  except  by a  written  instrument  signed  by  authorized
representatives  of both parties and referring  specifically  to this Agreement.
The  conditions to each of the parties'  obligations  to consummate the Sale are
for the sole  benefit  of such party and may be waived by such party in whole or
in part to the extent  permitted by  applicable  law. No waiver of any breach or
default  hereunder shall be considered valid unless in writing and signed by the
party  giving such  waiver,  and no such waiver  shall be deemed a waiver of any
subsequent  breach of the same or similar  nature.  8.4.  Counterparts.  For the
convenience of the parties hereto,  this Agreement may be executed in any number
of  counterparts,   each  such  counterpart  being  deemed  to  be  an  original
instrument, and all such counterparts shall together constitute one and the same
agreement. 8.5. GOVERNING LAW. THIS AGREEMENT SHALL BE GOVERNED BY AND CONSTRUED
IN  ACCORDANCE  WITH THE LAWS OF THE  STATE OF  CALIFORNIA.  8.6.  Notices.  Any
notice,  request,  instruction  or other  document to be given  hereunder by any
party to the others  shall be in writing  and  delivered  personally  or sent by
registered  or  certified  mail,  postage  prepaid,   next-day  air  courier  or
facsimile:  1. if to the  Purchaser,  at 9600 Jeronimo  Road Irvine,  California
92718 Facsimile No.: (714) 580-2378 Attention:  President

                                      -41-
<PAGE>

                  with a copy to:

                            Sullivan & Cromwell
                            444 South Flower Street, Suite 1200
                            Los Angeles, California 90071
                            Facsimile No.: (213) 683-0457
                            Attention: Frank H. Golay, Jr.
  
                  2.       if to the Company, at

                            2300 Clayton Road, Suite 300
                            Concord, California 94520
                            Facsimile No.: (510) 602-3052
                            Attention: President

                  with copies to:

                            Heller, Ehrman, White & McAullife
                            525 University Avenue
                            Suite 1100
                            Palo Alto, California 94301-1908
                            Facsimile No.: (415) 324-0638
                            Attention: August J. Moretti
 
                            Saphier, Rein & Walden
                            10000 Santa Monica Boulevard, #312
                            Los Angeles, California 90067
                            Facsimile No.: (310) 556-1564
                            Attention: Robert S. Rein

     or to such other  persons or addresses as may be  designated  in writing by
the party to receive such notice.

     8.7.  Entire  Agreement,  etc.  This  Agreement  (including  any Annexes or
Schedules  hereto)  and the  Ancillary  Agreements  (a)  constitute  the  entire
agreement,   and   supersedes  all  other  prior   agreements,   understandings,
representations  and warranties both written and oral,  among the parties,  with
respect to the  subject  matter  hereof,  and (b) shall not be  transferable  or
assignable  by operation  of law or otherwise  and is not intended to create any
obligations  to, or rights in respect  of, any  persons  other than the  parties
hereto;  provided,  that  the  Purchaser  may  assign  any  of  its  rights  and
obligations hereunder to any of its subsidiaries without, however,  relieving it
from such obligations if not performed by the assignee;  provided, further, that
the  HIS  Entities  are  third  party   beneficiaries  under  the  Put/Call  and
Registration  Rights Agreement and Computer Systems  Associates is a third party
beneficiary under Section 4.11(d).



                                      -42-
<PAGE>

     8.8. Captions.  The Article,  Section and paragraph captions herein are for
convenience  of reference  only, do not  constitute  part of this  Agreement and
shall not be deemed to limit or otherwise affect any of the provisions hereof.



























                                      -43-
<PAGE>


                  IN WITNESS  WHEREOF,  the parties have executed this Agreement
as of the date first written above.


                                            HOTEL INFORMATION SYSTEMS, INC.


                                            By: /s/  Richard S. Ressler
                                                Name:   Richard S. Ressler
                                                Title:  Chief Executive Officer


                                            MAI SYSTEMS CORPORATION


                                            By: /s/  Robert S. Sanford
                                                Name:   Robert S. Sanford
                                                Title:  President


                                      -44-
<PAGE>



                                     ANNEX A

                                   DEFINITIONS



"Acquired   Subsidiaries"   has  the  meaning   set  forth  in   Section 1.1(g).
"Acquisition  Proposal"  has the meaning set forth in  Section 4.2.  "Agreement"
means the Asset  Purchase  Agreement,  dated as of June 30,  1996,  between  the
Company and the Purchaser.  "Ancillary  Agreements"  means the Escrow Agreement,
the Put/Call and Registration Rights Agreement,  the Consulting  Agreement,  the
Non-Competition   Agreements,   the   Employee   Services   Agreement   and  the
Confidentiality  Agreement.  "Assets"  has the meaning set forth in Section 1.1.
"Assumed  Current  Liabilities"  has the  meaning  set forth in Section  1.3(a).
"Assumed Liabilities" has the meaning set forth in Section 1.3. "Audited Assumed
Current Liabilities" means the amount of Assumed Current Liabilities  calculated
from the Audited Balance Sheet.  "Audited  Balance Sheet" means the consolidated
balance  sheet of the  Company and its  subsidiaries  as of  December 31,  1995,
audited by Ernst & Young.  "Audited  Current Assets" means the amount of Current
Assets calculated from the Audited Balance Sheet. "Audited Financial Statements"
means the consolidated  financial statements of the Company and its subsidiaries
as of and for the periods ended  December 31,  1994 and 1995, audited by Ernst &
Young.  "Claims"  has the meaning set forth in  Section 6.1.  "Closing"  has the
meaning set forth in  Section 5.1.  "Closing  Balance Sheet" has the meaning set
forth in Section 2.5(b). 

                                A-1
<PAGE>

                  "Closing Date" has the meaning set forth in
Section 5.1.

                  "Code" has the meaning set forth in
Section 3.1(l)(ii).

                  "Common Stock" means the Common Stock, par value
$0.01 per share, of the Purchaser.

                  "Company" has the meaning set forth in the first
paragraph of the Agreement.

                  "Computer Systems Associates" means CSA Holdings
Ltd, Computer Systems Advisers (Private) Limited and their
affiliates.

                  "Confidentiality    Agreement"   means   the   Confidentiality
Agreement previously entered into between the Purchaser and the Company.

                  "Consideration Shares" has the meaning set forth
in Section 2.1(b).

                  "Consulting  Agreement"  means the  Employment  and Consulting
Agreement,  to be dated the Closing  Date,  between the  Purchaser and Robert S.
Sanford, in the form of Annex D to the Agreement.

                  "Contracts" has the meaning set forth in
Section 1.1(h).

                  "CSA  Note"  means  the  Revolving  Credit  Note  issued by an
Acquired Subsidiary in August 1995 in aggregate principal amount of $500,000.00.

                  "Current  Assets"  means  Assets that are  considered  current
assets in accordance with GAAP.

                  "Current Ratio" means the ratio of Current Assets
to Assumed Current Liabilities.

                  "Debenture" means the Convertible Debenture Due 2010 issued by
the Company on October 21, 1993 in original principal amount of $1,036,999.32.

                  "Employee" has the meaning set forth in
                               Section 3.1(l)(i).

                  "Employee Benefit Plans" has the meaning set forth
in Section 3.1(l)(i).  Employee Benefit Plans only refer to


                                       A-2

<PAGE>

     Employee Benefit Plans of the Company or an Acquired Subsidiary.  "Employee
Benefits and Obligations"  means all accrued payroll and related accrued payroll
and other employee  benefit  liabilities  and  obligations,  including,  without
limitation,  all accrued employee benefits,  vacation,  commissions and bonuses,
severance costs, supplemental and excess pension plan and other Employee Benefit
Plan   liabilities  and  obligations,   all  deferred   compensation  and  other
compensation  liabilities  and  obligations  and all liabilities and obligations
associated with Employees  employed by the Company whose employment is deemed to
be terminated  by operation of law or otherwise as a result of the  consummation
of the transactions  contemplated by the Agreement and the Ancillary Agreements.
"Employee  Services  Agreement"  has the  meaning  set forth in Section  4.7(a).
"Environmental Law" means (i) any Federal, state, foreign or local law, statute,
ordinance,  rule, regulation,  code, license, permit,  authorization,  approval,
consent,  common law,  legal  doctrine,  order,  judgment,  decree,  injunction,
requirement  or  agreement  with any  Governmental  Entity,  (x) relating to the
protection,  preservation or restoration of the environment (including,  without
limitation, air, water vapor, surface water, groundwater, drinking water supply,
surface  land,  subsurface  land,  plant and  animal  life or any other  natural
resource),  or to human  health or safety,  or (y) the  exposure to, or the use,
storage, recycling, treatment, generation, transportation, processing, handling,
labeling,  production,  release or disposal of Hazardous Substances. "ERISA" has
the meaning set forth in Section 3.1(l)(i). "Escrow Agent" means the party named
as Escrow Agent in the Escrow  Agreement.  The Purchaser shall select the Escrow
Agent who shall be  reasonably  acceptable  to the Company.  "Escrow  Agreement"
means the Escrow Agreement, to be dated the Closing Date, among the Company, the
Purchaser  and the Escrow  Agent,  in the form or  substantially  in the form of
Annex B to the Agreement (it being  recognized that the Escrow Agent may require
changes to such form of agreement prior to signing).

                                       A-3
<PAGE>

                  "Exchange Act" means the  Securities  Exchange Act of 1934, as
amended, and the rules and regulations promulgated thereunder.

                  "Excluded Assets" has the meaning set forth in
Section 1.2.

                  "Final Assets" has the meaning set forth in
Section 2.5(b)(i).

                  "Final Assumed Current Liabilities" has the
meaning set forth in Section 2.5(b)(i).

                  "Final Assumed Liabilities" has the meaning set
forth in Section 2.5(b)(i).

                  "Final Closing Balance Sheet" has the meaning set
forth in Section 2.5(b)(i).

                  "Final Current Assets" has the meaning set forth
in Section 2.5(b)(i).

                  "Final Net Current Assets" means Final Current
Assets less Final Assumed Current Liabilities.

                  "Final Net Worth" means Final Assets less Final
Assumed Liabilities.

                  "GAAP" has the meaning set forth in
Section 2.5(b)(i).

                  "Governmental Entity" has the meaning set forth in
Section 3.1(d)(i).

                  "Hazardous  Substance" means any substance  presently  listed,
defined, designated or classified as hazardous, toxic, radioactive or dangerous,
or  otherwise  regulated,  under any  Environmental  Law,  whether by type or by
quantity, including any substance containing any such substance as a component.

                  "Indemnified Party" has the meaning set forth in
Section 6.3.

                  "Innovations Note" means the note dated June 15,
1993 in the original principal amount of $150,000 payable to
Software Advantage, Inc. dba Innovations America.

                  "Intellectual Property" has the meaning set forth
in Section 1.1(j).


                                       A-4
<PAGE>

"Intercompany   Payables"   has  the  meaning  set  forth  in  Section   1.3(c).
"Intercompany Receivables" has the meaning set forth in Section 1.1(b). "Interim
Balance  Sheet"  means the  consolidated  balance  sheet of the  Company and its
subsidiaries  at  March 31,  1996  attached  as  Annex J to the  Agreement.  For
purposes of Section 2.5(c) of the Agreement,  the Interim Balance Sheet shall be
adjusted  to give  effect to any  reclassification  of  amounts  (as  opposed to
changes in such amounts) made on the Final Closing Balance Sheet;  provided that
no such  reclassification  shall affect any ratio or dollar  amount set forth in
Sections 2.5(a),  2.5(c) or 5.2(f),  which as originally stated shall remain the
applicable  measurement  standards  for the  financial  tests  set forth in such
Sections.  "Leased  Employee"  has the  meaning  set  forth in  Section  4.7(a).
"Leases"  means  the  leases  of real  property  set  forth on  Schedule 3.1(g).
"Leaseholds"  means the real  property  subject to the  Leases.  "Merrill  Lynch
Revolving  Credit  Line" means the credit line  associated  with  Merrill  Lynch
Working Capital  Management  Account No.  322-07578.  "Net Current Assets" means
Current Assets less Assumed Current  Liabilities  excluding  deferred  revenues.
"Net Worth" means Assets less Assumed Liabilities. "Non-Assumed Liabilities" has
the meaning set forth in Section 1.4. "Non-Competition Agreement" means any Non-
Competition Agreement, to be dated the Closing Date, between the Purchaser and a
stockholder of the Company,  in the form of Exhibit E to the Agreement.  "Order"
has the meaning set forth in Section 5.2(b). "Ordinary Consideration Shares" has
the meaning set forth in Section 2.1(a).


                                       A-5

<PAGE>

                  "Other Liabilities" has the meaning set forth in
Section 1.3(e).

                  "Per Share  Price"  means  $9.25.  The Per Share  Price  shall
automatically  (i) adjust for any stock  dividend,  stock split,  reverse  stock
split or other  subdivision or combination of the  outstanding  shares of common
stock and (ii) increase on the first day of each month after the Closing Date by
one-twelfth  (1/12)  of  the  annualized  yield  for  United  States  government
securities  with a maturity  of six  months,  as  published  in the Wall  Street
Journal on the business day  immediately  preceding the nearest prior July 15 or
January 15, as applicable.

                  "Preliminary Assumed Current Liabilities" means
the amount of Assumed Current Liabilities identified on the
Preliminary Closing Balance Sheet.

                  "Preliminary Closing Balance Sheet" has the
meaning set forth in Section 2.5(a).

                  "Preliminary Current Assets" means the amount of
Current Assets identified on the Preliminary Closing Balance
Sheet.

                  "Properties" has the meaning set forth in
Section 3.1(o).

                  "Proprietary Rights" has the meaning set forth in
Section 3.1(i).


     "prospects" (i) when used with respect to any representation or warranty of
the  Company  contained  in Section 3.1 of the  Agreement  shall not include any
event or condition  affecting  the computer  hardware,  software or  information
system  industries  generally  and (ii) in all  other  contexts  shall not be so
limited.  "Purchaser"  has the meaning set forth in the first  paragraph  of the
Agreement. "Purchaser Reports" shall mean each registration statement, schedule,
report, proxy statement or information statement prepared by the Purchaser since
December 31, 1995,  including,  without  limitation,  (i) the Purchaser's Annual
Report  on Form  10-K  for the  year  ended  December  31,  1995  and  (ii)  the
Purchaser's  Quarterly  Report on Form 10-Q for the period ended March 31, 1996,
each in the form (including  exhibits and any amendments thereto) filed with the
SEC.

                                       A-6
<PAGE>

"Put/Call  Consideration  Shares" has the  meaning set forth in Section  2.1(b).
"Put/Call and Registration Rights Agreement" means the Put/Call and Registration
Rights  Agreement,  to be dated the  Closing  Date,  between the Company and the
Purchaser,  in the form of Annex C to the Agreement.  "Representatives"  has the
meaning set forth in Section 4.4.  "Restricted  Business" shall mean the design,
engineering  and servicing of software  relating to hotel  information  systems.
"Restricted  Territory" shall mean (x) every county of every state of the United
States other than the State of California and every foreign country in which the
Company  currently does  substantial  business,  including  Australia,  Austria,
China,  Hong Kong,  Singapore,  Thailand and the United  Kingdom,  and (y) every
county in the  State of  California  (it  being  agreed  that the  Company  does
substantial  business in each such county).  "Sale" has the meaning set forth in
Section 1.1. "Sanford Note" means a promissory note payable to Robert S. Sanford
in the  aggregate  principal  amount  of  approximately  $15,000.  "SEC" has the
meaning set forth in  Section 3.2(d).  "Securities Act" means the Securities Act
of 1933, as amended. "Taxes" has the meaning set forth in Section 1.4(e).  "WARN
Act" means the Worker Adjustment and Retraining Notification Act.


                                       A-7
<PAGE>


                                       A-8




<PAGE>1
       


                 AMENDMENT NO. 1 TO ASSET PURCHASE AGREEMENT



AMENDMENT NO. 1 TO ASSET PURCHASE AGREEMENT (this "Amendment"), dated as of July
10, 1996, between Hotel Information Systems, Inc., a California corporation (the
"Company"),   and  MAI  Systems   Corporation,   a  Delaware   corporation  (the
"Purchaser").

                                    RECITALS

WHEREAS, the Company and the Purchaser have executed an Asset Purchase Agreement
(the "Agreement"), dated as of June 30, 1996; and

WHEREAS,  the Company and the  Purchaser  now desire to amend the  Agreement and
certain Ancillary Agreements as set forth herein.

NOW, THEREFORE,  in consideration of the premises,  and of the  representations,
warranties,  covenants and agreements contained in the Agreement and herein, the
parties hereto hereby agree as follows:

1.  Liquidation  of the  Company.  The Company  advises the  Purchaser  that the
Company intends to liquidate  immediately  after the Closing.  Accordingly,  the
Purchaser  consents to the assignment of the Employee Services  Agreement to any
successor  or  assignee of the Company  that is the  employer of the  Employees;
provided  that no such  assignment  shall  affect any rights or  remedies of the
Purchaser under the Agreement or any Ancillary  Agreement or release the Company
from any of its obligations thereunder if not performed by such assignee.

2. Assumed  Liabilities.  The Company  represents  and warrants that all amounts
owning under the  Debenture may be paid in full through the issuance of a number
of Put/Call Consideration Shares equal in value to $1,192,549 (128,925 shares at
the Per Share  Price);  provided  that this  representation  and warranty is not
subject to the limitation set forth in Section 6.4 of the Agreement. Such shares
shall be issued in the name of Computer Systems  Associates and shall be subject
to the terms of the Agreement and the Ancillary Agreements.

3. Software License Contracts. The parties hereby agree that the cash receipts 
and expenses relating tothe delivery of interfaces to Mirage after the Closing 
Date shall not be included in the representation and agreement
set forth in Section 3.1(x) of the Agreement.


                                       1

<PAGE>2



4. Rental for Office. The parties hereby add the following three sentences 
to the end of Section 4.11(c)of the Agreement:

The Company shall pay, or cause to be paid, to the Purchaser a monthly rental of
$500  per  month  for  the one  locked  office  at the  facilities  in  Concord,
California, which the parties agree is a fair market rental of such office. Such
rental shall be payable in arrears on the last day of each month during the term
of such lease. Such office may be used by a liquidating trust of the Company.

5. CSA Note.  The  Purchaser  and the Company  agree that payment of amounts due
under the CSA Note shall be made by the Acquired  Subsidiary that is the obligor
on the CSA Note.  In  addition,  the first  sentence  of Section  4.11(d) of the
Agreement  shall be replaced  by: "The  Purchaser  agrees to pay the amounts due
under the Merrill  Lynch  Revolving  Credit  Facility on the Closing Date and to
cause the  Acquired  Subsidiary  that is the  obligor on the CSA Note to pay the
amounts  due  under  the CSA Note on the first  business  day for such  Acquired
Subsidiary after the Closing Date."

6. Closing. The phrase "July 31, 1996" in
Section 5.1(a) of the Agreement shall be changed to "August
9, 1996".

7. Escrow Agreement. In the Escrow Agreement
that will be executed at Closing, the third word of Section
2.3(a) shall be changed from "second" to "fifth".

8. Put/Call and Registration Rights Agreement.
In the Put/Call and Registration Rights Agreement that will
be executed at Closing:

(a) The twelfth word of Section 2.2(b) shall be changed from "second" to fifth".

(b) The fourth word of Section 2.3(a) shall be changed from "second" to "fifth".

(c) In Section  3.1(a),  the  twenty-sixth  word in the first  sentence shall be
changed from "second" to "fifth",  the word "such"  appearing as the fifty-third
word in the second sentence shall be deleted, the words "10 days" in such second
sentence  shall be changed to "20 days" and the first  three  words of the third
sentence shall be replaced by "During the first and fifth years".


                                       2

<PAGE>3


(d) The eighteenth word of Section  3.1(b)(i)(B)  shall be changed from "second"
to "fifth".

(e) The eighth word of Section  3.1(b)(i)(C)  shall be changed from  "second" to
fifth".

(f) The introductory clause to the third
paragraph of Schedule 3.1(a) shall be replaced by: "After
the first anniversary and prior to the fifth anniversary of
the Closing Date,".

The Agreement and the Ancillary Agreements, as so amended, are hereby reaffirmed
in all respects.

IN WITNESS  WHEREOF,  the parties have  executed  this  Amendment as of the date
first above written.

                                   HOTEL INFORMATION SYSTEMS, INC.


                                   By: /s/ Robert S. Sanford
                                   Name: Robert S. Sanford
                                   Title: President


                                   MAI SYSTEMS CORPORATION


                                   By: /s/ Richard S. Ressler
                                   Name: Richard S. Ressler
                                   Title: Chief Executive Officer

                                       3




<PAGE>
                                   
==============================================================================
                                     


                                ESCROW AGREEMENT



                           Dated as of July ___, 1996



                                      Among


                        HOTEL INFORMATION SYSTEMS, INC.,



                             MAI SYSTEMS CORPORATION



                                       and



                      [CITY NATIONAL BANK], AS ESCROW AGENT


==============================================================================
<PAGE>


                                TABLE OF CONTENTS

                                                                      PAGE

  RECITALS.............................................................B-1

                                    ARTICLE I

                                   Definitions

   1.1    Definitions..................................................B-1
   1.2    Other Definitions............................................B-3

                                   ARTICLE II

                               Escrow Arrangement

   2.1    Delivery of Consideration Shares and Other
          Escrow Property to the Escrow Agent, Etc.....................B-4
   2.2    Delivery by Escrow Agent of Ordinary
          Consideration Shares and Other Escrow
          Property Upon Certain Events.................................B-5
   2.3    Delivery By Escrow Agent of Put/Call
          Consideration Shares and Other Escrow
          Property Upon Certain Events.................................B-6
   2.4    Voting of Consideration Shares...............................B-7
   2.5    Term of Escrow...............................................B-7
   2.6    Investment...................................................B-7
   2.7    Representations and Warranties...............................B-7

                                   ARTICLE III

                                The Escrow Agent

   3.1    The Escrow Agent.............................................B-8
   3.2    Compensation and Indemnification of Escrow
          Agent........................................................B-9
   3.3    Merger or Consolidation of Escrow Agent......................B-10
   3.4    Duties of Escrow Agent.......................................B-10
   3.5    Change of Escrow Agent.......................................B-11

                                   ARTICLE IV

                            Miscellaneous and General

   4.1    Amendment; Waiver............................................B-12
   4.2    Successors...................................................B-12
   4.3    Binding Effect...............................................B-12
   4.4    GOVERNING LAW................................................B-13
   4.5    Notices......................................................B-13
   4.6    Counterparts.................................................B-14



                                     B-i

<PAGE>


   4.7    Entire Agreement, etc........................................B-14
   4.8    Captions.....................................................B-14



                                      B-ii
<PAGE>






               ESCROW AGREEMENT (this "Agreement"),  dated as of July ___, 1996,
among Hotel Information  Systems,  Inc., a California  corporation  ("HIS"), MAI
Systems Corporation,  a Delaware corporation (the "Issuer"),  and [City National
Bank], a ______________ corporation (the "Escrow Agent").


                                    RECITALS

               WHEREAS,  this  Agreement is entered into in connection  with the
Asset Purchase Agreement,  dated as of June 30, 1996, between the Issuer and HIS
(the "Asset Purchase Agreement"),  which provides for the issuance by the Issuer
to HIS of an aggregate of 1,178,380 shares (the  "Consideration  Shares") of the
Issuer's Common Stock,  including  681,082  Put/Call  Consideration  Shares (the
"Put/Call  Consideration Shares") and 497,298 Ordinary Consideration Shares (the
"Ordinary Consideration Shares"), that are subject to this Agreement; and

               WHEREAS,  the Asset Purchase Agreement provides for the Issuer to
deliver the  Consideration  Shares to the Escrow  Agent upon the Closing that is
taking  place on the  date of this  Agreement  (the  "Closing"  or the  "Closing
Date"),  such  Consideration  Shares  to be held by the  Escrow  Agent in escrow
subject  to the  terms  and  conditions  of  this  Agreement,  and in  order  to
facilitate  the purposes of the Asset  Purchase  Agreement  and the Put/Call and
Registration Rights Agreement.

               NOW,  THEREFORE,  in  consideration  of the premises,  and of the
representations,  warranties,  covenants and agreements  contained herein and in
the Asset Purchase Agreement and the Put/Call and Registration Rights Agreement,
the parties hereto hereby agree as follows:


                                    ARTICLE I

                                   Definitions

               1.1    DEFINITIONS.  As used in this Agreement, the
following terms shall have the following meanings:

               "Agreement" has the meaning set forth in the first
paragraph of this Agreement.

               "Asset Purchase Agreement" has the meaning set
forth in the recitals of this Agreement.




                                       B-1

                                     
<PAGE>


               "Certified  Notice"  shall mean written  notice  certified by the
Issuer and/or either HIS or the applicable HIS Entity.

               "Closing" or the "Closing Date" have the meanings
set forth in the recitals of this Agreement.

               "Consideration Shares" has the meaning set forth
in the recitals of this Agreement.

               "Dispute"  shall mean any dispute,  civil  action,  suit,  claim,
arbitration,  mediation or other disagreement or proceeding arising out of or in
connection with the Asset Purchase Agreement, for which indemnification has been
claimed and not paid in full pursuant to the Asset Purchase Agreement.

               "Dividend" has the meaning set forth in Section
2.1(b).

               "Escrow Agent" has the meaning set forth in the
first paragraph of this Agreement.

               "Final  Judgment"  shall  mean any  final  judgment  or order not
subject to further appeal issued by a court with competent jurisdiction over the
parties to the Asset Purchase Agreement.

               "HIS" has the meaning set forth in the first
paragraph of this Agreement.

               "HIS Entities" means HIS and the Permitted
Transferees.

               "Issuer" has the meaning set forth in the first
paragraph of this Agreement.

               "Judgment"  shall  mean  any  order,  consent  decree,  judgment,
sanction,  ruling or other remedial action taken by a court, arbitrator or other
entity  with  competent  jurisdiction  over the  parties  to the Asset  Purchase
Agreement, or any resolution,  agreement or other settlement,  arising out of or
in connection with a Dispute.

               "Ordinary Consideration Shares" has the meaning
set forth in the recitals of this Agreement.

               "Other Escrow Property" has the meaning set forth
in Section 2.1(b).




                                       B-2

                                     
<PAGE>


               "Permitted  Investments"  means (i) U.S.  Government  Obligations
with a  maturity  of one  year or  less;  or (ii)  certificates  of  deposit  or
acceptances with a maturity of one year or less of the Escrow Agent or any other
financial  institution  that is a member of the United  States  Federal  Reserve
System having  combined  capital and surplus and  undivided  profits of not less
than  $500,000,000  or (iii)  investment  funds which  invest  primarily in U.S.
Government  Obligations of which the Escrow Agent or any of its affiliates are a
sponsor,  investment  advisor,  manager,  custodian  or agent  and for which the
Escrow Agent may be separately  compensated,  provided  that such  investment or
deposit is not  prohibited  by Federal or state  banking laws  applicable to the
Escrow Agent.

               "Permitted  Transferees"  shall  mean the  holders  of  common or
preferred  stock (or of options to acquire  such stock) of HIS as of the Closing
Date, which include Robert S. Sanford,  Computer Systems Associates and Montreux
Equity Partners III L.P. ("Montreux").  Permitted Transferees shall also include
such other persons as to which the Issuer shall consent in writing, such consent
not to be unreasonably  withheld.  In any event, up to ten accredited investors,
within the definition under Regulation D under the Securities Act,  requested by
Computer Systems Associates or Montreux will be consented to by the Issuer.

               "Put/Call and Registration  Rights  Agreement" means the Put/Call
and Registration  Rights  Agreement,  to be dated the Closing Date,  between the
Issuer and HIS.

               "Put/Call Consideration Shares" has the meaning
set forth in the recitals of this Agreement.

               "Registration" refers to a registration effected by the Issuer by
preparing and filing a registration  statement in compliance with the Securities
Act of 1933, as amended,  and the rules and regulations  promulgated  thereunder
("Registration Statement"), and the declaration or ordering of the effectiveness
of such Registration Statement.

               "U.S. Government Obligations" means direct obliga-
tions (or certificates representing an ownership interest in
such obligation) of the United States of America.

               1.2    OTHER DEFINITIONS.  All capitalized terms
used herein and not otherwise defined shall have the respec-
tive meanings set forth in the Asset Purchase Agreement.





                                          B-3
<PAGE>


                                      ARTICLE II

                                  Escrow Arrangement

          2.1  DELIVERY OF CONSIDERATION SHARES AND OTHER ESCROW PROPERTY TO
THE ESCROW  AGENT,  ETC.  (a) On the Closing  Date,  the Issuer will deliver the
Consideration Shares to the Escrow Agent pursuant to Section 2.2(a) of the Asset
Purchase  Agreement.  From  time to time,  the  Issuer  may  deliver  additional
Put/Call  Consideration Shares to the Escrow Agent pursuant to Section 2.3(b) of
the Put/Call and Registration Rights Agreement.  The Escrow Agent will hold such
Consideration  Shares in  escrow  and will not  transfer  any  interest  in such
Consideration  Shares except  pursuant to the terms of this Agreement and except
as required by law. The Escrow Agent will hold the Ordinary Consideration Shares
(and any Other Escrow Property derived  therefrom) in a separate escrow from the
Put/Call  Consideration Shares (and any Other Escrow Property derived therefrom)
and will not  intermingle  any such  shares  or Other  Escrow  Property  related
thereto.

               (b) If the Issuer shall declare and pay any dividend,  whether in
the form of cash,  Common Stock,  other capital stock of the Issuer or any other
property,  or whether as a stock split or other  subdivision of the Common Stock
(a "Dividend"), during the term of this Agreement, the Issuer shall deliver such
Dividend  payable  with  respect  to the  Consideration  Shares  ("Other  Escrow
Property",  which term shall also include any Permitted Investments and proceeds
thereof in accordance with this Agreement) to the Escrow Agent. The Escrow Agent
will  hold such  Other  Escrow  Property  in escrow  and will not  transfer  any
interest  in such Other  Escrow  Property  except  pursuant to the terms of this
Agreement and except as required by law.

               (c) Upon receipt by the Escrow  Agent of a Certified  Notice from
HIS  certifying  as to the  transfer  of shares to a Permitted  Transferee,  the
Escrow Agent will take all  necessary  action to have the  Consideration  Shares
registered in the name of the Permitted  Transferee,  but shall continue to hold
such  Consideration  Shares in escrow and will not transfer any interest in such
Consideration  Shares except  pursuant to the terms of this Agreement and except
as required by law.

               (d) Upon receipt by the Escrow  Agent of a Certified  Notice from
the Issuer and HIS  certifying as to an adjustment to the  Consideration  Shares
(and Other Escrow  Property,  if  applicable)  pursuant to Section 2.5(c) of the
Asset Purchase Agreement, the Escrow Agent shall deliver



                                       B-4
<PAGE>


such number of  Consideration  Shares and Other Escrow  Property as is stated in
such Certified Notice to or upon the order of the Issuer.  The Escrow Agent will
continue to hold the remaining  Consideration  Shares and Other Escrow Property,
if any,  in escrow and will not  transfer  any  interest  in such  Consideration
Shares or Other Escrow  Property  except pursuant to the terms of this Agreement
and except as required by law.

               (e) At any  time  during  the  term of this  Agreement  and  upon
receipt of a Certified  Notice from the Issuer and HIS  certifying the number of
Consideration  Shares and Other  Escrow  Property to be delivered to or upon the
order of the Issuer or HIS,  the  Escrow  Agent  shall  deliver  such  number of
Consideration  Shares  and  Other  Escrow  Property  to or upon the order of the
Issuer or HIS,  as  applicable.  The  Escrow  Agent  will  continue  to hold the
remaining  Consideration Shares and Other Escrow Property, if any, in escrow and
will not  transfer  any  interest in such  Consideration  Shares or Other Escrow
Property  except  pursuant to the terms of this Agreement and except as required
by law.

               2.2 DELIVERY BY ESCROW AGENT OF ORDINARY CONSIDERATION SHARES AND
OTHER ESCROW PROPERTY UPON CERTAIN EVENTS. (a) Upon the first anniversary of the
Closing  Date and in the  absence of receipt by the Escrow  Agent of a Certified
Notice from the Issuer  certifying that there exists a Dispute or Disputes,  the
Escrow  Agent shall  deliver  the  Ordinary  Consideration  Shares and the Other
Escrow Property that derives from the Ordinary  Consideration Shares then in its
possession to or upon the order of HIS. However,  if at the first anniversary of
the Closing Date,  the Escrow Agent shall have received a Certified  Notice from
the Issuer  certifying  that there  exists a Dispute or  Disputes,  then no such
delivery of Ordinary  Consideration Shares and any related Other Escrow Property
shall occur pursuant to this subsection 2.2(a); instead, it is contemplated that
any such  distribution  would occur pursuant to Section  2.1(e) above.  However,
after such  anniversary  date,  from time to time as may be consistent  with its
rights  under the Asset  Purchase  Agreement,  the  Issuer  agrees  that it will
provide a Certified Notice under Section 2.1(e) with respect to (i) amounts that
are not subject to a Dispute or Disputes or (ii) amounts that subsequently cease
to be subject to a Dispute or Disputes.

               (b) At any time  during the term of this  Agreement  and upon the
receipt  by the  Escrow  Agent of a  Certified  Notice  from the  Issuer and HIS
certifying  that there exists a Judgment,  or from the Issuer  alone  certifying
that there exists a Final Judgment, the amount of such Judgment or



                                       B-5
<PAGE>


Final  Judgment  and the number of Ordinary  Consideration  Shares and amount of
Other Escrow Property that derives from such Ordinary Consideration Shares to be
delivered  to or upon the order of the Issuer,  the Escrow  Agent shall  deliver
such number of  Ordinary  Consideration  Shares and amount of such Other  Escrow
Property then in its  possession to or upon the order of the Issuer.  The Escrow
Agent will  continue to hold the  remaining  Ordinary  Consideration  Shares and
Other Escrow Property,  if any, relating thereto in escrow and will not transfer
any interest in such  Ordinary  Consideration  Shares or Other  Escrow  Property
except pursuant to the terms of this Agreement and except as required by law.

               2.3 DELIVERY BY ESCROW AGENT OF PUT/CALL CONSIDERATION SHARES AND
OTHER ESCROW  PROPERTY UPON CERTAIN EVENTS.  (a) Upon the second  anniversary of
the  Closing  Date  and in the  absence  of  receipt  by the  Escrow  Agent of a
Certified Notice from the Issuer certifying that it has exercised its call right
pursuant to Section 2.2(b) of the Put/Call and  Registration  Rights  Agreement,
the Escrow Agent shall deliver the Put/Call  Consideration  Shares and the Other
Escrow Property that derives from such Put/Call Consideration Shares then in its
possession to or upon the order of HIS.

               (b) At any  time  during  the  term of this  Agreement  and  upon
receipt by the Escrow  Agent of a Certified  Notice  from the Issuer  certifying
that the Issuer or a Caller has  exercised  its call rights  pursuant to Section
2.2(a) or (b) of the Put/Call and  Registration  Rights Agreement and the number
of Put/Call Consideration shares and the Other Escrow Property that derives from
the  Put/Call  Consideration  Shares to be delivered to or upon the order of the
Issuer,  the Escrow Agent shall  deliver  such number of Put/Call  Consideration
Shares and Other Escrow Property to or upon the order of the Issuer.  The Escrow
Agent will continue to hold the remaining Put/Call Consideration Shares and such
Other Escrow  Property,  if any, in escrow and will not transfer any interest in
such Put/Call  Consideration  Shares or Other Escrow Property except pursuant to
the terms of this Agreement and except as required by law.

               (c) At any  time  during  the  term of this  Agreement  and  upon
receipt by the Escrow  Agent of a  Certified  Notice  from the Issuer and an HIS
Entity  certifying that such HIS Entity has sold Put/Call  Consideration  Shares
pursuant to a Registration,  and the Number Sold, the Escrow Agent shall deliver
such number of Put/Call  Consideration Shares to or upon the order of the Issuer
and the HIS Entity  specified in such  Certified  Notice.  The Escrow Agent will
continue to hold the remaining Put/Call Consideration Shares and related



                                       B-6
<PAGE>


Other Escrow  Property,  if any, in escrow and will not transfer any interest in
such Put/Call  Consideration  Shares or Other Escrow Property except pursuant to
the terms of this Agreement and except as required by law.

               2.4 VOTING OF CONSIDERATION  SHARES. Prior to the delivery by the
Escrow  Agent to the  Issuer  or to a HIS  Entity,  as the  case may be,  of the
Consideration  Shares  pursuant  to  Sections  2.1,  2.2 or 2.3  above,  the HIS
Entities  shall have the sole power to exercise any voting  rights  attendant to
the  Consideration  Shares  and to  any  shares  that  constitute  Other  Escrow
Property.

               2.5  TERM OF  ESCROW.  The  term of this  Escrow  Agreement  will
commence upon receipt by the Escrow Agent of the  Consideration  Shares and will
terminate  when  the  last of the  Consideration  Shares  and any  Other  Escrow
Property has been delivered out of escrow pursuant to this  Agreement,  provided
that Articles III and IV shall survive any such termination.

               2.6  INVESTMENT.  The Escrow Agent agrees to invest all cash held
by it  pursuant  to this  Agreement  in  Permitted  Investments  at the  written
direction of the HIS Entities in the form of a Certified Notice and to hold such
investments  until  their  maturity  unless  directed  by  Certified  Notice  to
liquidate  such  investments  in order  to make  distributions  of Other  Escrow
Property  pursuant to Sections 2.1, 2.2 or 2.3 above. The Escrow Agent shall not
be liable for any loss of  principal  or interest  or for any  penalty  that may
result  from  following  any  investment  instructions  contained  in  any  such
Certified Notices.

               2.7  REPRESENTATIONS  AND WARRANTIES.  (a) Each of the Issuer and
HIS  represents  and  warrants,  with  respect  to  itself,  that (i) it has the
requisite  corporate  power and  authority  and has taken all  corporate  action
necessary in order to execute and deliver this  Agreement and to consummate  the
transactions  contemplated  hereby,  (ii) this  Agreement is a valid and binding
agreement of it enforceable  against it in accordance with its terms,  (iii) the
execution and delivery of this Agreement by it does not, and the consummation of
the transactions contemplated hereby by it will not, constitute or result in (A)
a breach or violation  of, or a default  under,  its charter  documents or (B) a
breach or violation of, a default under,  the acceleration of or the creation of
a lien,  pledge,  security  interest  or other  encumbrance  on assets  (with or
without the giving of notice or the lapse of time) pursuant to, any provision of
any  Contract  of it or any law,  ordinance,  rule or  regulation  or  judgment,
decree, order, award or governmental or non-



                                       B-7
<PAGE>


governmental  permit or license to which it is subject,  except,  in the case of
clause (B) above, for such breaches, violations, defaults or accelerations that,
alone or in the  aggregate,  could not prevent,  materially  delay or materially
burden the transactions  contemplated by this Agreement and such liens, pledges,
security  interests  or other  encumbrances  as may be created  pursuant to this
Agreement.

               (b) The Escrow Agent  represents and warrants that (i) it has the
requisite  corporate  power and  authority  and has taken all  corporate  action
necessary in order to execute and deliver this  Agreement and to consummate  the
transactions  contemplated hereby and (ii) this Agreement is a valid and binding
agreement of the Escrow Agent enforceable against the Escrow Agent in accordance
with its terms.


                                      ARTICLE III

                                   The Escrow Agent

               3.1    THE ESCROW AGENT.  (a)  [City National Bank]
is hereby appointed as Escrow Agent in accordance with the
terms and conditions set forth herein, and the Escrow Agent
hereby accepts such appointment.

               (b) Subject to the other terms and conditions  hereof, the Escrow
Agent  hereby  irrevocably  declares  that it will  hold all  right,  title  and
interest in and to the  Consideration  Shares and any Other  Escrow  Property in
escrow for the use and benefit of the Issuer and the HIS Entities upon the terms
set forth herein.

               (c) Copies of the Asset  Purchase  Agreement and the Put/Call and
Registration   Rights   Agreement  are  being  furnished  to  the  Escrow  Agent
simultaneously  with the execution of this Agreement,  and such other agreements
shall be  deemed to be  annexes  to this  Agreement.  However,  nothing  in such
agreements  or in this  Agreement  is  intended to impose any  liability  on the
Escrow  Agent  for  the  execution,   validity  or  performance  of  such  other
agreements,  such matters being solely the responsibility of the Issuer, HIS and
the other HIS Entities.

               (d) HIS agrees to provide,  and agrees to cause the HIS  Entities
to  provide,  to the Escrow  Agent such stock  powers and other  instruments  of
transfer  as the  Escrow  Agent may from  time to time  reasonably  request  for
purposes of administering the escrows created hereunder. To that end, HIS hereby
further grants to the Escrow Agent the following  power of attorney,  and agrees
to cause each of the HIS



                                       B-8
<PAGE>


Entities to deliver to the Escrow Agent a similar power of attorney:



                               POWER OF ATTORNEY

       Know  all  persons  by these  presents,  that  Hotel  Information
Systems,  Inc.  [name of HIS Entity]  constitutes  and appoints [name of
Escrow Agent] its true and lawful  attorney-in-fact and agent, with full
power of substitution and resubstitution,  for it and in its name, place
and stead, in any and all capacities, to sign any and all instruments of
transfer for the purposes of the Escrow Agreement,  dated as of July __,
1996, among Hotel Information Systems, Inc., MAI Systems Corporation and
[name of Escrow Agent], with respect to any of the Consideration  Shares
or Other Escrow Property (as defined in such Escrow Agreement), granting
unto said attorney-in-fact and agent, full power and authority to do and
perform to all  intents  and  purposes  as the  grantor of this power of
attorney  might do in person,  hereby  ratifying and confirming all that
said  attorney-in-fact and agent, or its substitute or substitutes,  may
lawfully do or cause to be done by virtue thereof.

       3.2  COMPENSATION  AND  INDEMNIFICATION  OF ESCROW AGENT. (a) The
Issuer  agrees to pay the  Escrow  Agent  such fees as the Issuer and the Escrow
Agent  shall from time to time  agree for all  services  rendered  by the Escrow
Agent  hereunder  and,  from time to time,  on demand of the Escrow  Agent,  its
reasonable  expenses  and counsel fees and other  disbursements  incurred in the
administration  and execution of this Agreement and the exercise and performance
of its duties  hereunder.  The Issuer also agrees to indemnify  the Escrow Agent
and its  officers,  directors  and agents for, and to hold each of them harmless
against, any loss, liability or expense, incurred without gross negligence,  bad
faith or willful  misconduct on the part of the Escrow Agent,  for anything done
or  omitted  by  the  Escrow  Agent  in  connection   with  the  acceptance  and
administration of this Agreement,  including the costs and expenses of defending
any claim of liability directly arising therefrom.

               (b) The  Escrow  Agent  shall be  protected  and  shall  incur no
liability for or in respect of any action taken,  suffered,  or omitted by it in
connection  with its  administration  of this  Agreement  in  reliance  upon any
Certified Notice signed by the proper party or parties.




                                      B-9
<PAGE>


               3.3    MERGER OR CONSOLIDATION OF ESCROW AGENT.
                      ---------------------------------------
     Any corporation into which the Escrow Agent or any successor escrow agent
may be merged or with which it may be consoli- dated, or any corporation
resulting from any merger or consolidation to which the Escrow Agent or any
successor escrow agent shall be party or any corporation succeeding to the
corporate trust business of the Escrow Agent or a successor escrow agent as a
whole or substantially as a whole, whether by sale or otherwise shall be the
successor to the Escrow Agent under this Agreement without any further act on
the part of any of the parties hereto, PROVIDED that such corporation
would be eligible for appointment as a successor escrow agent under the
provisions of Section 3.5 hereof, and any Consideration Shares or Other Escrow
Property held by the Escrow Agent prior to such transaction shall be deemed to
be held by such successor thereafter.

               3.4    DUTIES OF ESCROW AGENT.  The Escrow Agent
undertakes the duties and obligations imposed by this Agreement upon the
following terms and conditions:

               (a) The Escrow Agent may consult  with legal  counsel (who may be
legal  counsel for the Issuer or HIS),  and the opinion of such counsel shall be
full and complete  authorization  and  protection  to the Escrow Agent as to any
action taken or omitted by it in good faith and in accordance with such opinion.

               (b)  Whenever  in  the  performance  of  its  duties  under  this
Agreement  the Escrow Agent deems it  necessary  or  desirable  that any fact or
matter  be  proved  or  established  by the  Issuer  or HIS  prior to  taking or
suffering any action  hereunder,  such fact or matter  (unless other evidence in
respect thereof is herein specifically  prescribed) may be deemed to be provided
conclusively  by  Certified  Notice  delivered  to the  Escrow  Agent.  Any such
certificate shall be full authorization to the Escrow Agent for any action taken
or  suffered  in good  faith by it under the  provisions  of this  Agreement  in
reliance upon such certificate.

               (c) The Escrow Agent shall be liable  hereunder  only for its own
gross negligence, bad faith or willful misconduct.

               (d) The Escrow  Agent shall not be liable for or by reason of any
of the statements of fact or recitals contained in this Agreement or be required
to verify the same.  All such  statements  and recitals  shall be deemed to have
been made by the Issuer and HIS only.




                                      B-10
<PAGE>


               (e) The Escrow  Agent  shall not be under any  responsibility  in
respect of the validity of this  Agreement or the execution and delivery  hereof
(except the due execution and delivery hereof by the Escrow Agent) or in respect
of the validity or execution of any stock certificate representing Consideration
Shares;  nor shall it be responsible  for any breach by the Issuer or HIS of any
covenant  or  condition  contained  in this  Agreement;  nor shall it by any act
hereunder  be deemed to make any  representation  or  warranty as to whether any
Consideration  Shares (or any Other Escrow Property) will be validly  authorized
and issued, fully paid and nonassessable.

               (f)  Each of the  Issuer  and HIS  agrees  that it will  perform,
execute,   acknowledge   and  deliver  or  cause  to  be  performed,   executed,
acknowledged  and  delivered  all such further and other acts,  instruments  and
assurances  as may  reasonably  be required by the Escrow Agent for the carrying
out or performing by the Escrow Agent of the provisions of this Agreement.

               (g) The Escrow Agent is hereby  authorized and directed to accept
Certified  Notice with respect to the performance of its duties hereunder and to
apply to any Officer for advice or  instructions  in connection with its duties,
and it shall not be liable for any action taken or suffered to be taken by it in
good faith in accordance with the instructions of any such officer.

               (h) The Escrow  Agent may execute and  exercise any of the rights
or powers hereby vested in it or perform any duty hereunder  either itself or by
or through its attorneys or agents.

               3.5 CHANGE OF ESCROW  AGENT.  The Escrow  Agent may resign and be
discharged  from its duties under this Agreement upon 30 days' notice in writing
mailed to the Issuer by registered or certified  mail, and to HIS by first-class
mail. The Issuer may remove the Escrow Agent or any successor  escrow agent upon
30 days'  notice in  writing,  mailed to the Escrow  Agent or  successor  escrow
agent,  as the case may be, by registered or certified mail, and to HIS by first
class  mail.  If the Escrow  Agent  resigns or is removed or  otherwise  becomes
incapable of acting,  the Issuer shall  appoint a successor to the Escrow Agent.
If the Issuer  fails to make such  appointment  within a period of 30 days after
such  removal or after it has been  notified in writing of such  resignation  or
incapacity  by the resigning or  incapacitated  Escrow Agent or by HIS, then HIS
may apply to any court of competent  jurisdiction  for the  appointment of a new
Escrow Agent. Any successor escrow agent, whether



                                      B-11
<PAGE>


appointed by the Issuer or by such a court, shall be a corporation organized and
doing business under the laws of the United States or the laws of any state,  in
good standing,  which is authorized under such laws to exercise  corporate trust
powers  and is  subject  to  supervision  or  examination  by a federal or state
authority  and  which  has at the  time of its  appointment  as  escrow  agent a
combined capital and surplus of at least  $25,000,000.  After  appointment,  the
successor  escrow agent shall,  without further action,  be vested with the same
powers,  rights,  duties and responsibilities as if it had been originally named
as Escrow Agent; but the predecessor  Escrow Agent shall deliver and transfer to
the successor  escrow agent any property at the time held by it  hereunder,  and
execute and deliver any further assurance, conveyance, act or deed necessary for
this purpose.  Not later than the effective  date of any such  appointment,  the
Issuer shall file notice  thereof in writing with the  predecessor  Escrow Agent
and mail a notice thereof in writing to HIS. Failure to give any notice provided
for in this Section 3.5,  however,  or any defect therein,  shall not affect the
legality or validity of the  resignation  or removal of the Escrow  Agent or the
appointment of the successor escrow agent, as the case may be.


                                      ARTICLE IV

                               Miscellaneous and General

               4.1  AMENDMENT;  WAIVER.  This  Agreement  may not be modified or
amended except by a written  instrument signed by authorized  representatives of
the  Issuer,  HIS  and the  Escrow  Agent  and  referring  specifically  to this
Agreement.

               4.2  SUCCESSORS.   All  the  covenants  and  provisions  of  this
Agreement  by or for the  benefit of the Issuer,  HIS or the Escrow  Agent shall
bind and  inure  to the  benefit  of their  respective  successors  and  assigns
hereunder.

               4.3  BINDING  EFFECT.  The  agreements  herein set forth shall be
mutually  binding upon, and inure to the mutual benefit of, the Issuer,  HIS and
the Escrow Agent. Except as set forth in the following sentence,  the parties do
not intend that any third party shall enjoy any rights under this  Agreement and
no such third party shall be entitled to make any claim,  or bring any action to
enforce this Agreement  against either party to this Agreement even if the third
party  receives  some  benefit  from this  Agreement.  However,  if and when HIS
certifies to the Escrow  Agent the transfer of shares to a Permitted  Transferee
pursuant to Section 2.1(c) hereof, then from and



                                      B-12
<PAGE>



after  such  time,  and to the  extent  of  their  respective  interests  in the
Consideration Shares and Other Escrow Property hereunder,  the HIS Entities will
become third party beneficiaries of this Agreement entitled to enforce the same,
but subject to their  performance  of the duties  imposed  upon the HIS Entities
hereunder.

               4.4    GOVERNING LAW.  THIS AGREEMENT SHALL BE
GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE
STATE OF CALIFORNIA.

               4.5 NOTICES. Any notice,  request,  instruction or other document
to be given  hereunder  by any  party to the  others  shall  be in  writing  and
delivered  personally or sent by registered or certified mail,  postage prepaid,
next-day air courier or facsimile:

               1.     if to Issuer, at

                         9600 Jeronimo Road
                         Irvine, California 92718
                         Facsimile No.: (714) 580-2378
                         Attention: President

                                with a copy to:

                         Sullivan & Cromwell
                         444 South Flower Street, Suite 1200
                         Los Angeles, California 90071
                         Facsimile No.: (213) 683-0457
                         Attention: Frank H. Golay, Jr.

               2.     if to the Escrow Agent, at

                              [City National Bank]
                                   [address]
                                 Facsimile No.:
                                   Attention:

                                with a copy to:


               3. if to HIS, at
 
                           2300 Clayton Road, Suite 300
                           Concord, California 94520
                           Facsimile No.: (510) 602-3052
                           Attention: President


                                      B-13

<PAGE>
                                with copies to:

                           Heller, Ehrman, White & McAullife
                           525 University Avenue
                           Suite 1100
                           Palo Alto, California 94301-1908
                           Facsimile No.: (415) 324-0638
                           Attention: August J. Moretti

                           Saphier, Rein & Walden
                           10000 Santa Monica Boulevard, #312
                           Los Angeles, California 90067
                           Facsimile No.: (310) 556-1564
                           Attention: Robert S. Rein


               4.6 COUNTERPARTS. For the convenience of the parties hereto, this
Agreement may be executed in any number of  counterparts,  each such counterpart
being  deemed to be an  original  instrument,  and all such  counterparts  shall
together constitute one and the same agreement.

               4.7 ENTIRE AGREEMENT,  ETC. This Agreement (including any Annexes
or Schedules  hereto) (a) constitutes the entire  agreement,  and supersedes all
other prior  agreements,  understandings,  representations  and warranties  both
written and oral, among the parties,  with respect to the subject matter hereof,
and (b) shall not be transferable or assignable by operation of law or otherwise
and is not intended to create any  obligations  to, or rights in respect of, any
persons  other  than the  parties  hereto and other than as set forth in Section
4.3.

               4.8 CAPTIONS. The Article,  Section and paragraph captions herein
are for  convenience of reference only, do not constitute part of this Agreement
and  shall  not be deemed to limit or  otherwise  affect  any of the  provisions
hereof.



                                      B-14
<PAGE>


               IN WITNESS WHEREOF,  the undersigned have executed this Agreement
as of the date first written above.



                                    MAI SYSTEMS CORPORATION



                                    By:________________________________
                                       Name:
                                       Title:



                                    HOTEL INFORMATION SYSTEMS, INC.



                                    By:________________________________
                                       Name:
                                       Title:



                                    [CITY NATIONAL BANK]



                                    By:________________________________
                                       Name:
                                       Title:





                                 B-15



<PAGE>

                                     ANNEX C
===========================================================================






                   PUT/CALL AND REGISTRATION RIGHTS AGREEMENT


                           Dated as of July ___, 1996


                                     Between


                         HOTEL INFORMATION SYSTEMS, INC.


                                       and


                             MAI SYSTEMS CORPORATION







==============================================================================
<PAGE>






                                TABLE OF CONTENTS


                                      Page


                                    ARTICLE I

                                   Definitions

   1.1.     Definitions..............................................  C-1
   1.2.     Other Definitions........................................  C-4

                                   ARTICLE II

                               Put and Call Rights

   2.1.     Put Right of the HIS Entities............................  C-4
   2.2.     Call Right...............................................  C-4
   2.3.     Amount of Consideration Shares...........................  C-5
   2.4.     Escrow Agreement.........................................  C-6

                                   ARTICLE III

                               Registration Rights

   3.1.     Registration.............................................  C-7
                     (a)     Demand Registration Right...............  C-7
                     (b)     Restrictions on Demand
            Registrations............................................  C-8
                     (c)     Piggyback Registrations Right............ C-10
                     (d)      Notice of Sales......................... C-11
   3.2.     Compliance with Blue Sky Laws............................. C-11
   3.3.     Expenses of Registration.................................. C-11
   3.4.     Registration Procedures................................... C-12
   3.5.     Information............................................... C-12
   3.6.     Indemnification........................................... C-12
                     (a)  Issuer's Indemnification.................... C-12
                     (b)  HIS Entities' Indemnification............... C-13
                     (c)  Indemnification Procedure................... C-14
                     (d)  Contribution................................ C-15
   3.7.     Selection of Underwriters................................. C-15
   3.8.     Holdback Agreements....................................... C-16
   3.9.     Delay of Registration..................................... C-16

                                   ARTICLE IV

                            Miscellaneous and General

   4.1.     No Inconsistent Agreements................................ C-16
   4.2.     Term...................................................... C-16


                                   C-i
<PAGE>




                                                                     Page

   4.3.     Amendment; Waiver....................................... C-16
   4.4.     Counterparts............................................ C-17
   4.5.     GOVERNING LAW........................................... C-17
   4.6.     Notices................................................. C-17
   4.7.     Successors and Assigns.................................. C-18
   4.8.     Severability............................................ C-18
   4.9.     Captions................................................ C-18
   4.10.    Further Assurances....................................... C-19


Schedules

3.1(a)   Demand Registration Limitation





                                      C-ii
<PAGE>






     PUT/CALL AND REGISTRATION RIGHTS AGREEMENT (this "Agreement"),  dated as of
July  ___,  1996,  between  Hotel  Information   Systems,   Inc.,  a  California
corporation ("HIS"), and MAI Systems Corporation, a Delaware corporation (the
"Issuer").

                                    RECITALS

     WHEREAS,  this  Agreement  is  entered  into in  connection  with the Asset
Purchase  Agreement,  dated as of June 30, 1996, between the Issuer and HIS (the
"Asset  Purchase  Agreement"),  which provides for the issuance by the Issuer to
HIS of 1,178,380 shares of the Issuer's Common Stock, including 681,082 Put/Call
Consideration Shares and 497,298 Ordinary Consideration Shares, that are subject
to this Agreement;  and WHEREAS,  in order to induce HIS to enter into the Asset
Purchase  Agreement,  the  Issuer  has  agreed  to  provide  the  put,  call and
registration   rights  set  forth  in  this  Agreement.   NOW,   THEREFORE,   in
consideration of the premises, and of the representations, warranties, covenants
and agreements contained herein and in the Asset Purchase Agreement, the parties
hereto hereby agree as follows:


                                    ARTICLE I

                                   Definitions

     1.1. Definitions. As used in this Agreement, the following terms shall have
the  following  meanings:  "Agreement"  has the  meaning  set forth in the first
paragraph of this  Agreement.  "Amount  Requested"  has the meaning set forth in
Section  3.1(a).  "Asset  Purchase  Agreement"  has the meaning set forth in the
recitals of this Agreement. "Call Securities" shall mean that amount of Put/Call
Consideration  Shares  for which an HIS Entity has  exercised  its  registration
rights  pursuant to Section 3.1  hereof.  "Caller"  has the meaning set forth in
Section 2.2.
                                       C-1


<PAGE>

                  "Demand Registration Notice" has the meaning set
forth in Section 3.1(a).

                  "HIS" has the meaning set forth in the first
paragraph of this Agreement.

                  "HIS Entities" means HIS and the Permitted
Transferees.

                  "HIS Entities Indemnitees" has the meaning set
forth in Section 3.6(b).

                  "Indemnified Party" has the meaning set forth in
Section 3.6(c).

                  "Indemnifying Party" has the meaning set forth in
Section 3.6(c) hereof.

                  "Issuer" has the meaning set forth in the first
paragraph of this Agreement.

                  "Issuer Indemnitees" has the meaning set forth in
Section 3.6(a).

                  "Number Requested" has the meaning set forth in
Section 3.1(a).

     "Number Sold" means the number of Put/Call  Consideration Shares sold or to
be sold pursuant to a Regis- tration with a value equal to the Amount Requested.
For this purpose,  value shall be equal to the amount realized by the HIS Entity
or HIS Entities concerned, either in the aggregate or on a per share basis (on a
per  share  basis,  the  "Realized  Per  Share  Price"),  based on a sale  using
reasonable efforts in good faith,  after deduction of all Registration  Expenses
and Selling Expenses  payable by them. For  convenience,  an example showing the
interrelationship  of Number Sold and Amount  Requested and Number  Requested is
included in Schedule  3.1(a),  which also sets forth the limits on  Registration
during a given period hereunder.

     "Permitted Transferees" shall mean the holders of common or preferred stock
(or of options to  acquire  such  stock) of HIS as of the  Closing  Date,  which
include  Robert S. Sanford,  Computer  Systems  Associates  and Montreux  Equity
Partners III L.P.  ("Montreux").  Permitted  Transferees shall also include such
other persons as to which the Issuer shall consent in writing,  such consent not
to be  unreasonably  withheld.  In any event,  up to ten  accredited  investors,
within the definition under Regulation D under the


                                       C-2

<PAGE>

     Securities Act,  requested by Computer Systems  Associates or Montreux will
be  consented to by the Issuer.  "Per Share  Price"  means $9.25.  The Per Share
Price  shall  automatically  (i) adjust  for any stock  dividend,  stock  split,
reverse  stock split or other  subdivision  or  combination  of the  outstanding
shares of common  stock and (ii)  increase  on the first day of each month after
the Closing  Date by  one-twelfth  (1/12) of the  annualized  yield (the "T-bill
Yield") for United States  government  securities with a maturity of six months,
as  published  in the  Wall  Street  Journal  on the  business  day  immediately
preceding the nearest prior July 15 or January 15, as applicable. "Proportionate
Share" has the meaning set forth in Section 3.3.  "Realized Per Share Price" has
the meaning set forth in the definition of the term "Number  Sold".  "Register,"
"Registered" and  "Registration"  refer to a registration  effected by preparing
and filing a regis- tration  statement in compliance with the Securities Act and
the rules and regulations  promulgated  thereunder ("Registra- tion Statement"),
and the  declaration  or  ordering  of the  effectiveness  of such  Registration
Statement by the Securities and Exchange Commission.  "Registrable Common Stock"
shall mean (a) the  Consideration  Shares and (b) all Common  Stock  issued,  or
issuable upon  conversion,  exchange or exercise of an equity  security which is
issued,  pursuant to a stock split, stock dividend or other similar distribution
or event with respect to Registrable Common Stock. "Registration Expenses" shall
mean all expenses  incurred by the Issuer in  complying  with Article III hereof
(other than Selling Expenses),  including, without limita- tion, all federal and
state registration,  qualification and filing fees,  so-called "Blue Sky" filing
fees and expenses,  printing expenses, fees and disbursements of counsel for the
Issuer (but not counsel for the HIS  Entities),  underwriting  expenses and fees
(other  than  Selling  Expenses)  and  expenses  of  the  Issuer's   independent
accountants.   "Registration  Statement"  has  the  meaning  set  forth  in  the
definition of the term  "Register."  "Securities  Act" shall mean the Securities
Act of 1933, as amended, and the rules and regulations promulgated thereunder.



                                       C-3
<PAGE>



     "Selling  Expenses"  shall  mean all  underwriting  discounts  and  selling
commissions  applicable to the sale of Registrable Common Stock. "Valid Business
Reason"  has  the  meaning  set  forth  in  Section   3.1(b)(iii).   1.2.  Other
Definitions.  All capitalized  terms used herein and not otherwise defined shall
have the respec- tive meanings set forth in the Asset Purchase Agreement.
                                   ARTICLE II

                               Put and Call Rights

     2.1. Put Right of the HIS Entities. At any time after the fifth anniversary
of the Closing Date and prior to the sixth  anniversary of the Closing Date, any
HIS Entity may require the Issuer to purchase all the Put/Call  Consid-  eration
Shares held by it and not  previously  disposed of at a cash purchase  price per
share equal to the Per Share Price. To implement such a put, an HIS Entity shall
deliver  written  notice of the same to the Issuer.  The date of the put will be
the date the written notice is delivered to the Issuer.  The closing of such put
shall take place twenty (20)  business  days after the date of the put, at which
time (a) the HIS Entity shall  deliver to the Issuer the Put/Call  Consideration
Shares  held by it and (b) the Issuer  shall pay to the HIS Entity the  purchase
price for the  Put/Call  Consideration  Shares by wire  transfer of  immediately
available funds to a bank account designated by the HIS Entity. 2.2. Call Right.
(a) If at any time any HIS Entity exercises its registration rights with respect
to Put/Call  Consideration Shares pursuant to Section 3.1 hereof, the Issuer has
the right, in lieu of such registration,  to require such HIS Entity to sell all
of such Call  Securities  at a cash  purchase  price per share  equal to the Per
Share  Price.  The Issuer may not  exercise  such  right  directly  but shall be
entitled to transfer such right to any other person or entity (the "Caller") who
shall  acknowledge and agree that the transfer of such right is in a transaction
not involving any public  offering and that the shares of Common Stock  acquired
upon  exercise of such right may be  restricted  securities  for purposes of the
Securities  Act. To  implement  such a call,  the Caller shall  deliver  written
notice of the same to the HIS  Entity  within  the  30-day  period  set forth in
Section 3.1(a), at which time Caller shall be irrevocably  obligated to purchase
such shares. The

                                       C-4

<PAGE>

     date of the call will be the date the written  notice is  delivered  to the
HIS Entity.  The closing of such call shall take place twenty (20) business days
after the date of the call, at which time (a) the HIS Entity shall  deliver,  or
the Issuer on behalf of the Caller shall direct the Escrow Agent to deliver,  to
the Caller the Call  Securities  and (b) the Caller  shall pay to the HIS Entity
(not the  Escrow  Agent)  the  purchase  price for the Call  Securities  by wire
transfer of immediately  available funds to a bank account designated by the HIS
Entity.  (b) At any time  during the thirty (30)  business  days  preceding  the
second  anniversary of the Closing Date, the Issuer has the right to require any
HIS  Entities to sell the Put/Call  Consideration  Shares held by them at a cash
purchase  price equal to the Per Share  Price.  To  implement  such a call,  the
Issuer shall deliver  written notice of the same to the HIS Entity.  The date of
the call will be the date the written notice is delivered to the HIS Entity. The
closing of such call shall take place twenty (20)  business  days after the date
of the call, at which time (a) the HIS Entity shall deliver, or the Issuer shall
direct the Escrow Agent to deliver,  to the Issuer the Call  Securities  and (b)
the  Issuer  shall  pay to the HIS  Entity  the  purchase  price  for  the  Call
Securities by wire  transfer of  immediately  available  funds to a bank account
designated by the HIS Entity. 2.3. Amount of Consideration  Shares. (a) Prior to
the second  anniversary of the Closing Date, the Put/Call  Consideration  Shares
may only be sold  pursuant  to Section 2.2 or a  Registration  and the number of
Put/Call  Consideration  Shares that may be sold pursuant to a Registration  and
released  from escrow and delivered to or upon the order of the HIS Entities may
not exceed the Number  Sold.  (b) If,  after  using  reasonable  efforts in good
faith,  the  Number  Sold  by any  HIS  Entity  in a  Registration  of  Put/Call
Consideration  Shares  pursuant  to this  Agreement  is greater  than the Number
Requested,  the Issuer shall promptly issue to the HIS Entity and deliver to the
Escrow Agent a number of additional Put/Call  Consideration  Shares equal to the
difference  between the Number Sold and the Number  Requested and the Issuer and
such HIS Entity  shall  direct the Escrow  Agent to release  such Number Sold of
Put/Call  Consideration Shares from escrow and deliver them to or upon the order
of such HIS Entity. Such new shares shall be deemed to be Put/Call Consideration
Shares and shall have all the benefits of this Agreement  attributable  thereto;
provided that, to the extent the amount of such new



                                       C-5
<PAGE>


     shares when added to the original number of Put/Call  Consideration  Shares
sold would exceed 59% of the  aggregate of the amount of Put/Call  Consideration
Shares and Original  Consideration  Shares,  such excess shares shall be held in
escrow and not sold prior to the first  anniversary  of the Closing Date. If the
Issuer reasonably  believes that the Number Sold at any time may be greater than
the Number  Requested,  the Issuer may issue and deliver to the Escrow Agent and
Register such additional Put/Call  Consideration Shares as it deems necessary to
enable the HIS Entities to sell the Number Sold of Put/Call Consideration Shares
without undue delay. (c) If, after using  reasonable  efforts in good faith, the
Number Sold by any HIS Entity in a Registration of Put/Call Consideration Shares
pursuant to this  Agreement  is less than the Number  Requested,  the Issuer and
such HIS Entity shall  direct the Escrow Agent to release such Number  Requested
of Put/Call  Consideration  Shares from  escrow,  to deliver such Number Sold of
Put/Call  Consideration  Shares to or upon the order of such HIS  Entity  and to
deliver  a number  of  Put/Call  Consideration  Shares  equal to the  difference
between  the Number  Requested  and the Number  Sold to or upon the order of the
Issuer. 2.4. Escrow Agreement. As long as the Escrow Agreement is in effect, the
delivery of all  Consideration  Shares subject to such Escrow Agreement shall be
in accordance with the terms of the Escrow Agreement.  For example,  if Ordinary
Consideration  Shares are not at the time  available  to be  released  under the
Escrow  Agreement,  for example because a Dispute (as defined in such agreement)
then  exists and has not yet been  resolved,  then such  Ordinary  Consideration
Shares shall not be available  for sale pursuant to the  registration  rights in
Article III of this Agreement,  notwithstanding  that such  registration  rights
would  otherwise be applicable at that time,  until such shares are available to
be  released  under the terms of the  Escrow  Agreement.  The Issuer and the HIS
Entities  agree to  cooperate  with the Escrow Agent to ensure that the Put/Call
Consideration  Shares will be released from escrow in accordance  with the terms
of this  Agreement  and the Escrow  Agreement  without  undue delay.  The Escrow
Agreement  contemplates  that, in addition to  Consideration  Shares that may be
escrowed thereunder,  the escrow property may also include Other Escrow Property
(as defined in the Escrow  Agreement).  The Escrow Agreement  contemplates  that
dis- tributions of Other Escrow Property would ordinarily  follow the same rules
as applicable  to the related  Consideration  Shares.  This  Agreement  does not
provide for the treatment of Other Escrow Property, on the basis that the Escrow

                                       C-6

<PAGE>

     Agreement makes adequate provision therefor. However, in any case where the
provisions of this Agreement do not sufficiently  reflect the intended economics
of a particular transaction, due to the existence of Other Escrow Property, then
the parties agree to make whatever adjustments are necessary herein so that this
Agreement may be applied in a manner  consistent  with the Escrow  Agreement and
the Asset Purchase Agreement, with respect to the Other Escrow Property, if any.
For example,  any put or call of Put/Call  Consideration Shares hereunder should
include delivery to the Issuer of the related Other Escrow  Property.  Also, the
calculation of the Number Sold in case of any  Registration and sale of Put/Call
Consideration Shares is designed to result in proceeds to the HIS Entities equal
to the Amount  Requested.  So long as this requirement is met, the Issuer should
receive the related Other Escrow Property.  Alterna-  tively,  in an appropriate
case (for example  following a stock  split) the Number Sold should  include the
additional shares that constitute Other Escrow Property.

                                   ARTICLE III

                               Registration Rights

     3.1. Registration. (a) Demand Registration Right. At any time and from time
to time commencing fifteen (15) days after the date of execution and delivery of
this  Agreement and until the second  anniversary  of the Closing Date,  the HIS
Entities may demand  Registration  under the Securities Act of their Registrable
Common Stock on a Registration Statement by a written notice given to the Issuer
signed  by such HIS  Enti-  ties (a  "Demand  Registration  Notice");  provided,
however,  that in the case of each such  Registration  so  requested  by the HIS
Entities, the amount of Put/Call Consideration Shares for which the HIS Entities
may demand  registration  shall be limited (such limit to be based on the Amount
Requested and the Number  Requested)  during the first year after the Closing to
the amount set forth in  Schedule  3.1(a) to this  Agreement.  During such first
year,  such  Demand  Registration  Notice  shall  be  made by  Computer  Systems
Associates and Montreux jointly, and not by any other HIS Entity; provided, this
sentence shall not preclude the  Registrable  Common Stock of other HIS Entities
from being part of such Registration;  provided further that upon receipt of any
such  Demand  Registration  Notice,  the Issuer  shall give  notice to Robert S.
Sanford  and shall allow other HIS  Entities  who deliver a Demand  Registration
Notice to the Issuer within 10 days after such notice to Mr. Sanford to



                                       C-7

<PAGE>

     have their Registrable  Common Stock included in such Demand  Registration.
During any year, the HIS Entities shall give any Demand  Registration  Notice at
least 90 days prior to the applicable  anniversary  date that ends such year, so
as to facilitate  compliance with the other  provisions of this  Agreement.  The
Demand  Registration Notice shall specify the dollar amount to be realized after
deduction of all Registration  Expenses, if any, and Selling Expenses payable by
such HIS Entities (the "Amount Requested") of Registrable Common Stock for which
such  Registration  is  demanded.  The  "Number  Requested"  equals  the  Amount
Requested  divided by the Per Share Price at the time  requested,  rounded up to
the  nearest  whole  share.  The Issuer will have the right for thirty (30) days
following  receipt of such written  notice from the HIS Entities with respect to
Put/Call  Consideration Shares to notify the HIS Entities whether it proposes to
Register  shares of Common Stock  pursuant to such Registra- tion or to exercise
its call right  pursuant to Section 2.2. All  registrations  demanded under this
Section 3.1 are referred to herein as "Demand  Registrations."  (b) Restrictions
on Demand Registrations. (i) During the term of this Agreement, the HIS Entities
will be entitled to request and have effective (A) only one Demand  Registration
with respect to Put/Call  Consideration  Shares and no Demand  Registration with
respect to Ordinary  Consideration  Shares prior to the first anniversary of the
Closing Date,  (B) only one Demand  Registration  with respect to  Consideration
Shares after the first  anniversary  and prior to the second  anniversary of the
Closing Date and (C) no Demand  Registration on or after the second  anniversary
of the  Closing  Date.  Demand  Registrations  may be  made on any  form  deemed
advisable  by the Issuer.  (ii) The Issuer will not be  obligated  to effect any
Demand  Registration if the Board of Directors of the Issuer adopts a resolution
to the effect that the Issuer  intends to Register  shares of Common Stock under
the Securi- ties Act within the  six-month  period  subsequent to receipt of the
Demand  Registration  Notice  until such period has elapsed or the Issuer  shall
have abandoned such intention  prior to the expiration of such six-month  period
or, in the event such  Registration  becomes  effective,  during the one hundred
twenty (120) day period after the effective date of such Registration,  but this
provision  may be used only to delay and not to prevent any Demand  Registration
that is otherwise  available.  Also,  if the Issuer uses this provi- sion,  then
during the period of such  delay,  solely  with  respect to the shares  that are
subject to such delay,  the increase in the Per Share Price,  pursuant to clause
(ii) of the second sentence of the definition thereof, shall be at


                                       C-8
<PAGE>

     the T-bill  Yield plus 7.5%,  rather  than at the T-bill  Yield  only,  and
otherwise in accordance with such definition.  However, the Issuer shall use its
reasonable  best  efforts  to  include  in  such   Registration  the  shares  of
Registrable Common Stock that are the subject of the Demand  Registration Notice
unless the managing underwriter or underwriters advise the Issuer that in its or
their  opinion a limitation  on the total number of shares of Common Stock to be
included in such Registration is advisable, then the Issuer will include in such
Registration  such  number of shares of Common  Stock as in the  opinion of such
underwriter or underwriters  may be sold,  allocated among (i) first, the shares
of Common Stock the Issuer  proposes to sell pursuant to such Registra- tion and
(ii) second,  the shares of Registrable Common Stock the HIS Entities propose to
sell pursuant to such Registration. (iii) In addition, if the Board, in its good
faith  judgment,  determines that any  registration of Registrable  Common Stock
should not be made or continued  because it would materially  interfere with any
material financing,  acquisition,  corporate  reorganization or merger involving
the Issuer  (collectively,  a "Valid Business Reason"),  the Issuer may postpone
filing a Registration  Statement relating to any Demand  Registration until such
Valid Business Reason has been consummated or terminated,  and, in case any such
Registration  Statement  has  already  been  filed the  Issuer  may  cause  such
Registration  Statement  to  be  withdrawn  and  its  effectiveness  prematurely
terminated  or  may  postpone   amending  or  supplementing   such  Registration
Statement,  but this  provision may be used only to delay and not to prevent any
Demand  Registration that is otherwise  available.  The HIS Entities agree that,
upon  receipt of any notice  from the Issuer that the Issuer has  determined  to
withdraw any Registration  Statement pursuant to this Section  3.1(b)(iii),  the
HIS Entities will  discontinue  their  disposition of  Registrable  Common Stock
pursuant to such Registration  Statement and, if so directed by the Issuer, will
deliver to the  Issuer  (at the  Issuer's  expense)  all copies  then in the HIS
Entities'  possession of the prospectus  covering such Registrable  Common Stock
that was in effect at the time of receipt of such  notice.  If the Issuer  shall
give any notice of withdrawal or postponement of a Registration  Statement,  the
Issuer  shall,  at such time as the  Valid  Business  Reason  that  caused  such
withdrawal  or  postponement  no longer  exists,  with  respect  to a  withdrawn
Registration Statement, as soon as practicable file a new Registration Statement
covering  the  Registrable  Common  Stock  that  was  covered  by the  withdrawn
Registration Statement or, with respect to a postponed  Registration  Statement,
use its best  efforts to effect the  Registration  under the  Securities  Act of
Regis-
                                       C-9

<PAGE>

     trable  Common  Stock  in  accordance  with  this  Article  III,  and  such
Registration Statement shall be maintained effective for the full period of time
required by this Agreement for Registration Statements effected pursuant to this
Arti- cle III. If the Issuer shall have  withdrawn or  prematurely  terminated a
Registration  Statement filed pursuant to this Article III (whether  pursuant to
this clause (b)(iii) or as a result of any stop order, injunction or other order
or requirement of the SEC or any other governmental agency or court), the Issuer
shall not be  considered  to have  effected an  effective  Registration  for the
purposes  of  this  Arti-  cle III  until  the  Issuer  shall  have  filed a new
Registration  Statement  covering the  Registrable  Common Stock  covered by the
withdrawn Registration Statement and such Registration Statement shall have been
declared effective and shall not have been withdrawn or prematurely  terminated.
The Issuer  represents that as of the date of this Agreement,  it has no present
intention  to  proceed  with  a  material  financing,   acquisition,   corporate
reorganization  or merger as a result of which it would  cause a  withdrawal  or
postponement of a Registration  Statement  pursuant to this paragraph.  Also, if
the Issuer uses this  provision,  then  during the period of such delay,  solely
with  respect to the shares that are subject to such delay,  the increase in the
Per  Share  Price,  pursuant  to  clause  (ii)  of the  second  sentence  of the
definition  thereof,  shall be at the T-bill Yield plus 7.5%, rather than at the
T-bill Yield only, and otherwise in accordance with such definition. (iv) If the
HIS Entities  give a Demand  Registration  Notice prior to thirty days after the
Closing Date, the Issuer will not be entitled to delay such Demand  Registration
pursuant to Section  3.1(b)(ii),  but may  include in such  Demand  Registration
shares of Common Stock to be issued in an  underwritten  offering by the Issuer.
The shares of  Registrable  Common Stock held by the HIS  Entities  that are the
subject of the Demand Registration will not be subject to cutback or holdback by
the managing  underwriter or  underwriters  of such  offering.  The HIS Entities
shall  cooperate  with  the  Company  in  effectuating  any such  offering.  (c)
Piggyback  Registrations Right. In the event that the Issuer intends to Register
shares of Common Stock under the Securities Act (other than pursuant to a Demand
Registration)  prior to the second  anniversary  of the Closing  Date, on a form
that would permit inclusion of the Consideration Shares held by the HIS Entities
(any such Registration,  a "Piggyback  Registration"),  the Issuer will promptly
give  each  of  the  HIS  Entities   written  notice  thereof  (the   "Piggyback
Registration Notice") and use its
                                      C-10

<PAGE>

     reasonable best efforts to include in such  Registration  all of the shares
of Common Stock that are  specified  in a written  notice given to the Issuer by
such HIS  Entity  within  twenty  (20)  days  after  the  date of the  Piggyback
Registra- tion Notice unless the managing underwriter or underwriters advise the
Issuer that in its or their  opinion a limitation  on the total number of shares
of Common  Stock to be  included in such  Registration  is  advisable,  then the
Issuer will include in such  Registration  such number of shares of Common Stock
as in the opinion of such  underwriter or  underwriters  may be sold,  allocated
among (i) first, the shares of Common Stock the Issuer proposes to sell pursuant
to such Registra- tion and (ii) second,  the shares of Registrable  Common Stock
the HIS  Entities  propose to sell  pursuant  to such  Registra-  tion.  The HIS
Entities  shall not be  entitled  to a Piggyback  Registration  with  respect to
Ordinary  Consideration  Shares  prior to the first  anniversary  of the Closing
Date. Piggy- back  Registration  shall not be available for any shares of Common
Stock previously sold by the HIS Entities,  or previously registered pursuant to
any Demand  Registration and still available for sale pursuant thereto,  or that
are then subject to a pending call pursuant to Section 2.2 hereof. (d) Notice of
Sales.  If any HIS Entity  intends to sell shares of Common Stock pursuant to an
effective Registration, other than pursuant to an underwritten offering in which
the Issuer is a party to the underwriting agreement,  such HIS Entity shall give
the Issuer at least fifteen (15) days' notice of such sale in order to allow the
Issuer to comply with its obligations  under the Securities Act and the Exchange
Act. 3.2.  Compliance  with Blue Sky Laws. In the event of any  Registration  of
Registrable  Common Stock  pursuant to this Article III, the Issuer will use its
reasonable  best  efforts to  Register  and  qualify  the  Consideration  Shares
included in the  Registration  under such Blue Sky or other  securities  laws of
such states or other  jurisdictions as shall be reasonably  requested by the HIS
Entities  concerned,  in the case of a  Registration  that does not  involve  an
underwriting,  or by the  representative of the  underwriters,  in the case of a
Registration  involving an  underwriting,  to effect the plan of distribution of
such  securities;  provided,  however,  that the Issuer shall not be required to
subject  itself to  taxation  in any such state or  jurisdiction,  qualify to do
business in any such state or  jurisdiction or file a general consent to service
of  process  in any  such  state  or  jurisdiction  solely  by  reason  of  such
qualification of such securities.

                                      C-11
<PAGE>



     3.3. Expenses of Registration.  In the event of a Registration,  the Issuer
shall  bear  all  the  Registration  Expenses  and  the HIS  Entities  shall  be
responsible  for (i) their own legal fees and expenses in  connection  with such
Registration,  and (ii) their proportionate share of all Selling Expenses,  such
proportionate  share to be equal to a fraction,  the  numerator  of which is the
number of shares of Common Stock being so Registered by the HIS Entities and the
denominator  of which is the  aggregate  number of shares of Common  Stock being
Registered  ("Proportionate  Share"). 3.4. Registration  Procedures.  The Issuer
will  keep  the  HIS  Entities  advised  as to  the  initiation,  amendment  and
completion  of any  Registration  effected  pursuant to this  Agreement.  At its
expense, the Issuer will: (a) use its reasonable best efforts to effect promptly
such  Registration and to keep any such  Registration  effective for a period of
180 days or until the HIS Entities have completed the distribution  described in
the Registration Statement relating thereto,  whichever first occurs; (b) in the
case of the  first  Demand  Registration  hereunder,  to file  the  Registration
Statement within 60 days after the Demand Registration  Notice; (c) furnish such
number of prospectuses (including preliminary  prospectuses) and other documents
to the HIS  Entities  from  time to time  as the  HIS  Entities  may  reasonably
request;  and (d) the Issuer will amend any  Registration  if and when required,
including to correct any material  misstatement  or omission  therein it becomes
aware  of.  3.5.  Information.  It is a  condition  precedent  to  the  Issuer's
obligations  under this Agreement that the HIS Entities,  after  requesting that
Registrable Common Stock be included in a Registration  pursuant to this Article
III,  furnish  to  the  Issuer,  or to  the  underwriters  or  representa-  tive
participating in such Registration, such information regarding the HIS Entities,
and  the  distribution  proposed  by the  HIS  Entities  as the  Issuer  or such
underwriters or  representative  may reasonably  request.  In addition,  the HIS
Entities shall enter into such agreements  with the Issuer and the  underwriters
or representatives participating in such Registration, including agreements with
respect to indemnification,  as the Issuer and the underwriter or representative
participating in such Registration may reasonably request. 3.6. Indemnification.
(a) Issuer's  Indemnification.  To the extent  permitted by law, the Issuer will
indemnify  the HIS  Entities  holding  Registrable  Common Stock with respect to
which

                                      C-12
<PAGE>

     Registration or qualification has been effected pursuant to this Agreement,
and each of their agents,  employees and controlling  persons within the meaning
of the  Securities  Act,  officers,  directors and partners  (collectively,  the
"Issuer  Indemnitees"),  against all claims, losses, damages and liabilities (or
actions in respect  thereof) arising out of or based on any untrue statement (or
alleged  untrue  statement)  of a material  fact  contained in any  Registration
Statement,  prospectus or other document  incident to any such  Registration  or
qualification or based on any omission (or alleged  omission) to state therein a
material fact required to be stated  therein or necessary to make the statements
contained  therein  not  misleading,  or  any  violation  by the  Issuer  of the
Securities Act or any rule or regulation  thereunder applicable to the Issuer in
connection with any such Registration or qualification,  and will reimburse each
Issuer  Indemnitee for any legal and any other expenses  reasonably  incurred by
any such party in  connection  with  investigating  or defending any such claim,
loss,  damage,  liability  or action as such  expenses are  incurred;  provided,
however,  that the indemnity contained in this Section 3.6(a) shall not apply to
amounts paid in settlement of any such claim, loss, damage,  liability or action
if settlement is effected without the prior written consent of the Issuer (which
consent shall not be unreasonably withheld); and provided further, however, that
the  Issuer  will not be  liable in any such  case to the  extent  that any such
claim,  loss,  damage,  liability  or  expense  arises out of or is based on any
untrue  statement or omission  based upon written  information  furnished to the
Issuer by any HIS Entity or Issuer  Indemnitee and stated to be specifically for
use therein. (b) HIS Entities' Indemnification.  To the extent permitted by law,
each of the HIS Entities,  severally and not jointly,  will indemnify the Issuer
and each of its agents,  employees and controlling persons within the meaning of
the Securities Act,  officers,  directors and partners  (collectively,  the "HIS
Entities Indemnitees"),  against all claims, losses, damages and liabilities (or
actions in respect  thereof) arising out of or based on any untrue statement (or
alleged  untrue  statement)  of a material  fact  contained in any  Registration
Statement,  prospectus  or  other  document  incident  to such  Registration  or
qualification or based on any omission (or alleged  omission) to state therein a
material fact required to be stated  therein or necessary to make the statements
contained  therein  not  misleading,  and  will  reimburse  each  HIS  Entities'
Indemnitee for any legal and any other expenses  reasonably incurred by any such
party in  connection  with  investigating  or  defending  any such claim,  loss,
damage, liability or action as such expenses


                                      C-13
<PAGE>

     are incurred, in each case to the extent, but only to the extent, that such
untrue statement (or alleged untrue statement) or omission (or alleged omission)
is made in such Registration Statement, prospectus or other document in reliance
upon and in conformity with written information  furnished to the Issuer by such
HIS Entity or any agent,  employee,  officer,  director,  partner or controlling
person thereof and stated to be specifically  for use therein;  provided however
that the indemnity  contained in this Section  3.6(b) shall not apply to amounts
paid in settlement of any such claim, loss, demand,  liability or action if such
settlement  is  effected  without the prior  written  consent of such HIS Entity
(which  consent  shall  not  be  unreasonably  withheld).   (c)  Indemnification
Procedure.  Each party entitled to  indemnification  under this Section 3.6 (the
"Indemnified Party") shall give written notice, which is reasonably detailed, to
the  party  required  to  provide  indemnification  (the  "Indemnifying  Party")
promptly after such  Indemnified  Party has actual  knowledge of any claim as to
which indemnity may be sought, and shall permit the Indemnifying Party to assume
the  defense  of any such  claim or any  litigation  resulting  therefrom,  with
counsel  chosen  by such  Indemnifying  Party  (such  counsel  to be  reasonably
acceptable  to  Indemnified  Party),  and the  Indemnifying  Party  shall not be
obligated  to  indemnify  the  Indemnified  Party  for any  legal  and any other
expenses incurred by the Indemnified Party in connection with  investigating and
defending such action after the  Indemnifying  Party assumes the defense of such
claim;  provided,  however,  that nothing  contained  herein  shall  prevent the
Indemnified Party from participating in such defense at such party's expense. If
the Indemnified  Party reasonably  determines,  based upon written advise of its
counsel,  that there is a conflict between the position of the Indemnified Party
and the  Indemnifying  Party in conducting the defense of such action,  then the
Indemnified  Party shall be entitled to conduct the defense of such  action,  at
the expense of the Indemnifying  Party, to the extent  reasonably  determined by
such counsel to be necessary to protect the interest of the  Indemnified  Party.
The failure of any Indemnified Party to give notice as provided herein shall not
relieve the  Indemnifying  Party of its  obligations  under this Section  3.6(c)
provided that the parties to this  Agreement  reserve any rights to make a claim
under this Agreement for damages  actually  incurred by reason of any failure of
an Indemnified Party to give prompt written notice of a claim to an Indemnifying
Party.  No  Indemnifying  Party, in the defense of any such claim or litigation,
shall, except with the prior written consent of each Indemnified Party,  consent
to entry of any judgment or

                                      C-14
<PAGE>


     enter into any settlement which does not include as an  unconditional  term
thereof the giving by the claimant or plaintiff to such  Indemnified  Party of a
release  from  all  liability  in  respect  of such  claim or  litigation.  Each
Indemnified  Party shall furnish such information  regarding itself or the claim
in question as an  Indemnifying  Party may reasonably  request in writing and as
shall be reasonably  required in  connection  with the defense of such claim and
the litigation  resulting  therefrom.  (d) Contribution.  The Issuer and the HIS
Entities  agree  that,  if  for  any  reason  the   indemnification   provisions
contemplated  by Section 3.6(a) or Section  3.6(b) hereof are  unavailable to or
insufficient  to hold  harmless an  Indemnified  Party in respect of any claims,
losses,  damages or  liabilities  (or  actions in respect  thereof)  referred to
therein,  then each  Indemnifying  Party shall  contribute to the amount paid or
payable by the Indemnified Party as a result of such claims,  losses, damages or
liabilities (or actions in respect thereof) in such proportion as is appropriate
to reflect the  relative  fault of the  Indemnifying  Party and the  Indemnified
Party in  connection  with the  statements  or omissions  which  resulted in the
claims,  losses,  damages or liabilities (or action in respect thereof), as well
as any other  relevant  equitable  considerations.  The  relative  fault of such
Indemnifying  Party and  Indemnified  Party shall be determined by reference to,
among other things,  whether the untrue statement (or alleged untrue  statement)
of a material  fact or omission (or alleged  omission) to state a material  fact
relates to information  supplied by the Indemnifying Party or by the Indemnified
Party, and the parties'  relative intent,  knowledge,  access to information and
opportunity to correct or prevent the statement or omission.  The parties hereto
agree that it would not be just and equitable if contribu- tion pursuant to this
Section 3.6(d) were determined by pro rata allocation  (even if the Issuer,  the
HIS Entities or all of them were  treated as one entity for such  purpose) or by
any other  method of  allocation  which does not take  account of the  equitable
considerations  referred to in this Sec- tion 3.6(d). The amount paid or payable
by  an  Indemnified  Party  as a  result  of  the  claims,  losses,  damages  or
liabilities (or actions in respect thereof) referred to above shall be deemed to
include  any  legal  or  other  fees  or  expenses  reasonably  incurred  by the
Indemnified  Party in connection  with the  investigating  or defending any such
action or claim.  The Issuer and the HIS Entities'  obligations  in this Section
3.6(d) to  contribute  shall be  several  and not  joint.  No  person  guilty of
fraudulent  misrepresentation  (within  the  meaning  of  Section  11(f)  of the
Securities Act) shall be entitled to contribution from

                                      C-15
<PAGE>

     any  person  who was  not  guilty  of  fraudulent  misrepresentation.  3.7.
Selection of Underwriters.  In the case of any Registration,  including a Demand
Registration, the Issuer shall have the right, in its sole discretion, to select
the  investment  banker(s) and  manager(s) and to administer the offering of any
such Registration  pursuant to this  Article III.  3.8. [not used] 3.9. Delay of
Registration.  The  HIS  Entities  shall  have no  right  to  obtain  or seek an
injunction  restraining or otherwise delaying any Registration of the securities
of the Issuer as the result of any controversy  that might arise with respect to
the interpretation or implementation of this Article III.


                                   ARTICLE IV


                            Miscellaneous and General
     4.1. No Inconsistent Agreements. The Issuer has not, as of the date hereof,
and the  Issuer  shall  not,  after the date of this  Agreement,  enter into any
agreement with respect to any of its securities  that is  inconsistent  with the
rights granted to the HIS Entities in this Agreement or otherwise conflicts with
the provisions  hereof.  4.2. Term.  This Agreement shall be effective as of the
Closing Date and shall expire on the seventh  anniversary  of such Closing Date.
4.3. Amendment;  Waiver. This Agreement may not be modified or amended except by
a written  instrument signed by authorized  representatives  of both parties and
referring  specifically  to this  Agreement.  No waiver of any breach or default
hereunder shall be considered  valid unless in writ- ing and signed by the party
giving  such  waiver,  and no such  waiver  shall  be  deemed  a  waiver  of any
subsequent  breach of the same or similar  nature.  4.4.  Counterparts.  For the
convenience of the parties hereto,  this Agreement may be executed in any number
of  counterparts,   each  such  counterpart  being  deemed  to  be  an  original
instrument, and all such counterparts shall together constitute one and the same
agreement.

                                      C-16

<PAGE>
     4.5.  GOVERNING LAW. THIS  AGREEMENT  SHALL BE GOVERNED BY AND CONSTRUED IN
ACCORDANCE WITH THE LAWS OF THE STATE OF CALIFORNIA.  4.6. Notices.  Any notice,
request, instruction or other document to be given hereunder by any party to the
other shall be in writing and  delivered  personally  or sent by  registered  or
certified mail, postage prepaid, next-day air courier or facsimile: 1. if to the
Issuer,  at 9600 Jeronimo Road Irvine,  California  92718  Facsimile  No.: (714)
580-2378  Attention:  President  with a copy to:  Sullivan & Cromwell  444 South
Flower,  Suite 1200 Los Angeles,  California 90071 Facsimile No.: (213) 683-0457
Attention:  Frank H. Golay, Jr. 2. if to the HIS Entities,  at Hotel Information
Systems,  Inc. 2300 Clayton Road, Suite 300 Concord,  California 94520 Facsimile
No.: (510) 602-3052 Attention: President with copies to: Heller, Ehrman, White &
McAullife  525  University  Avenue Suite 1100 Palo Alto,  California  94301-1908
Facsimile No.:  (415)  324-0638  Attention:  August J. Moretti  Saphier,  Rein &
Walden  10000  Santa  Monica  Boulevard,  #312  Los  Angeles,  California  90067
Facsimile No.: (310) 556-1564 Attention: Robert S. Rein or to such other persons
or  addresses  as may be  designated  in writing  by the party to  receive  such
notice.
                                      C-17
<PAGE>


     4.7.  Successors  and Assigns.  This Agreement is solely for the benefit of
the Issuer and the HIS  Entities  and,  except with  respect to  assignments  to
Permitted Transferees, the rights granted and the obligations incurred hereunder
may not be  transferred  or assigned by operation of law or otherwise;  provided
that the Issuer may  transfer its call rights in Section 2.2 to any other person
or  entity.  In the  case  of any  assignment  of this  Agreement  by HIS to any
Permitted Transferee (so as to permit the HIS Entities, as opposed to HIS alone,
to take  advantage  of this  Agreement),  HIS  agrees to provide to the Issuer a
written agreement of each such Permitted  Transferee agreeing to be bound by the
terms and conditions of this Agreement and the Escrow Agreement.  However,  even
in the absence of delivery of such written agreement(s), by including any of its
securities in any  Registration  hereunder,  such Permitted  Transferee shall be
deemed to have agreed to be bound by the terms and  conditions of this Agreement
and the Escrow  Agreement  for all purposes,  as a consequence  of accepting the
benefits of Registration hereunder.  4.8. Severability.  If any term, provision,
covenant  or  restriction  of this  Agreement  is held by a court  of  competent
jurisdiction to be invalid, illegal, void or unenforceable, the remainder of the
terms,  provisions,  covenants and restrictions set forth herein shall remain in
full force and effect and shall in no way be affected,  impaired or invalidated,
and the  parties  hereto  shall use their  best  efforts  to find and  employ an
alternative  means to achieve the same or substantially  the same result as that
contemplated  by such term,  provision,  covenant or  restriction.  It is hereby
stipulated  and declared to be the intention of the parties that they would have
executed the remaining terms,  provisions,  covenants and  restrictions  without
including any of such that may be hereafter declared invalid,  illegal,  void or
unenforceable. 4.9. Captions. The Article, Section and paragraph captions herein
are for  convenience of reference only, do not constitute part of this Agreement
and  shall  not be deemed to limit or  otherwise  affect  any of the  provisions
hereof. 4.10. Further Assurances.  The Issuer and HIS shall take all actions not
inconsistent with the terms of this Agreement,  the Asset Purchase Agreement and
the other  Ancillary  Agreements  that may be reasonably  requested by the other
party in order to effectuate the purposes of this Agreement. Each of the parties
hereto  agrees to take all  reasonable  actions to ensure  that the shares to be
sold


                                      C-18
<PAGE>

     pursuant to a Registration will be sold as soon as practicable.  IN WITNESS
WHEREOF,  the parties have executed this  Agreement as of the date first written
above.


                                              MAI SYSTEMS CORPORATION


                                              By:___________________________
                                                 Name:
                                                 Title:




                                              HOTEL INFORMATION SYSTEMS, INC.


                                                By:___________________________
                                                   Name:
                                                   Title:





                                      C-19
<PAGE>


                                 Schedule 3.1(a)

              Limit during Specified Periods as to Amount Requested
                    and Number Requested for Purposes of any
                  Registration of Put/Call Consideration Shares


     This limitation applies only to the Put/Call Consideration Shares. Prior to
the first anniversary of the Closing Date, the aggregate Registration (on behalf
of all the HIS Entities) of Amount  Requested of Put/Call  Consideration  Shares
may not exceed  $5,450,000  (i.e.,  half the dollar amount of the  Consideration
Shares),  equivalent  to a Number  Requested of 589,190  Put/Call  Consideration
Shares;  provided  that such  Amount  Requested  and Number  Requested  shall be
reduced by one-half of any  reduction  pursuant to Sections  1.3(f),  2.1(b) and
2.5(c) of the Asset  Purchase  Agreement.  Nevertheless,  the  foregoing  Amount
Requested  will be subject to increase to the extent of any  increase in the Per
Share Price,  but without any change in such Number  Requested.  After the first
anniversary and prior of the second  anniversary of the Closing Date, there will
be no such limit on the amount of the  aggregate  Registration  on behalf of all
the HIS Entities.  Any of the Put/Call Consideration Shares of the HIS Entities,
not previously disposed of, may be included in the Number Requested.  The Amount
Requested  will  equal  the  Number  Requested  times the Per  Share  Price.  In
accordance with Sections 2.3(b) and (c) of the Put/Call and Registration  Rights
Agreement (the "Agree- ment"), and consistent with the definition of Number Sold
thereunder,  if upon any Registration and sale of Put/Call Consideration Shares,
the Realized Per Share Price is less than the Per Share Price,  then  additional
shares  will be sold and will be  delivered  by the  Issuer in  accordance  with
Section  2.3(b)  of the  Agreement  and the  related  provisions  of the  Escrow
Agreement.  Alternatively,  if upon any such Registration and sale, the Realized
Per Share Price is greater than the Per Share  Price,  then in  accordance  with
Section  2.3(c) a fewer number of shares will be sold and the remainder  will be
delivered back to the Issuer.  Through the foregoing  mechanisms,  upon any such
Registration  and sale, the amount realized by the HIS Entities will be equal to
the then  current Per Share  Price  times the number of  Put/Call  Consideration
Shares  originally  scheduled  to be sold,  subject  to  reduction  pursuant  to
Sections  1.3(f),  2.1(b)  and  2.5(c)  of the  Asset  Purchase  Agreement.  Any
increased value that would otherwise be realized by the HIS Entities, or 
diminution in value that would otherwise be incurred by them,  will be 
adjusted for by changes in the Number Sold,  and will be for the account of 
the Issuer.

     For  example,  during  the  period  prior to the first  anniversary  of the
Closing  Date, if the Amount  Requested was $1 million,  and the Per Share Price
was $10, then the Number Requested would be 100,000.  If however,  in connection
with an actual sale,  the  Realized Per Share Price was only $8 per share,  then
the Number Sold would be 125,000 shares, and the Issuer would be responsible for
providing the extra 25,000 shares.


<PAGE>


                                                   NEWS RELEASE

Company           Stanley P. Witkow
Contact:          Vice President, Corporate and Legal Affairs
                  MAI Systems Corporation
                  714-580-0700

                     MAI Acquires Hotel Information Systems

     IRVINE,  CA, July 11, 1996 MAI Systems  Corporation  (AMEX:  NOW) announced
today that it had entered into a definitive  agreement to acquire  substantially
all  of  the  assets  Hotel  Information  Systems,   Inc.  ("HIS")  of  Concord,
California. Upon completion of the acquisition, the combination of HIS and MAI's
CLS Software  Division will result in the world's  leading  provider of property
management  software.  In  addition to the  combined  companies'  leadership  in
property  management  systems,  the  combination  will allow MAI to offer  HIS's
customers the same systems  integration,  resources and tools that it offers its
CLS customers.

     MAI said that the acquisition price for HIS was $10.9 million of MAI common
stock plus the assumption of certain liabilities. The number of shares to issued
is subject to an  adjustment if the price of MAI common stock differs from $9.25
per  share at the time of  registration  of  certain  of the  shares  issued  in
connection with the transactiona portion of such shares sold.

The  acquisition  is expected to be completed  during the third quarter of 1996.
"Combining  with  HIS  establishes  MAI as a  clear  leader  in the  hospitality
information  system  industry,"  said George G. Bayz,  MAI's president and chief
operating officer.  "With the addition of the HIS product line, MAI will be able
to offer the  hospitality  industry a variety of  powerful  solutions  on a wide
variety of hardware and software environments."

<PAGE>

     Bayz said that MAI was committed to the HIS products and customers. "During
the past year, MAI has invested  heavily in its product  support and development
activities so it will be able to provide HIS customers with an enhanced level of
service and support," he said.

     Robert Sanford,  HIS's chairman and chief executive  officer,  said,  "This
combination will give HIS's customers the ability to implement new client/server
solutions with the proper level of needs assessment,  configuration planning and
systems  integration  resources sorely lacking among other hospitality  vendors.
Properly  planned and  executed,  with the right level of complex wide and local
area network  expertise,  HIS and CLS  customers  will benefit from our evolving
enterprise-wide  hospitality solutions." Mr. Sanford said that he would continue
with the  combined  company  to direct  development  of the next  generation  of
software products.

     MAI said that it expected that HIS's Hong Kong and  Singapore  subsidiaries
would become the cornerstones of its on-going efforts to provide hospitality and
gaming technology products into Asia's fast-growing markets.

     MAI installs and supports total information systems solutions, primarily in
the hospitality, gaming, distribution and manufacturing industries. In addition,
the company  designs,  sells and  supports a wide  variety of computer  products
including  (i) local and wide area  computer  networks,  (ii)  document  imaging
systems,  (iii) computer products for legacy systems which upgrade,  enhance and
integrate legacy systems with currently  available  computer  technologies,  and
(iv) vertical and horizontal software  applications  including OpenBASIC,  CLS's
Hotel CompuSystem II, Gaming Systems  International's slot accounting and player
tracking systems, MANBASE, ASG, Medical Management, BFMS and TriBASE.

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