DATASTREAM SYSTEMS INC
8-K, 1998-06-26
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                                UNITED STATES
                     SECURITIES AND EXCHANGE COMMISSION
                            Washington, DC 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)      June 16, 1998
- -------------------------------------------------------------------


                           DATASTREAM SYSTEMS, INC.
                           ------------------------

            (Exact name of Registrant as specified in Its Charter)


 DELAWARE                     0-25590                           57-0813674
 -------------------------------------------------------------------------
(State of                       (Commission                   (IRS Employer
Incorporation)                   File Number)            Identification No.)



50 DATASTREAM PLAZA, GREENVILLE, SC                          29605
- ------------------------------------------------------------------
(Address of principle executive offices)                    (Zip Code)


(Telephone number of registrant)        (864) 422-5001
- ------------------------------------------------------


                               NOT APPLICABLE
                               --------------
 (Former Name, Former Address and Former Fiscal Year, if changed since last
                                   report)






<PAGE>
ITEM 5.  OTHER EVENTS

            On  June  16,  1998,   Datastream   Systems,   Inc.,  a  Delaware
corporation  (the  "Registrant")  entered into a Share Purchase  Agreement to
acquire all the capital stock of Strategic  Information  Systems PTE. Ltd., a
Singapore  corporation  headquartered in Singapore  ("SIS").  SIS, founded in
1990,  is  a  provider  of  computerized   maintenance   management  software
specialized  for  vertical   markets  that  are   asset-intensive,   such  as
utilities  and  petrochemicals  industries.  SIS's primary  product,  Pacer,
written  in   Powerbuilder   using  Oracle  7  provides  a   state-of-the-art
enterprise  system with cross  platform  capabilities.  In  consideration  of
the   acquisition  and  pursuant  to  the  Share  Purchase   Agreement,   the
Registrant  delivered to the  stockholders of SIS  approximately  $6,500,000,
comprised of 88,652 shares of the Registrant's  Common Stock,  $.01 par value
per share (the "Common  Stock"),  and  approximately  $4,575,000 in cash. The
acquisition  consideration  to acquire the business of SIS was  determined as
a  result  of  arm's  length  negotiations  between  unrelated  parties.  The
Company  used  proceeds  from its initial  public  offering in April 1995 and
its secondary offering in October 1995 to fund the acquisition.


ITEM 7.  FINANCIAL STATEMENTS AND EXHIBITS.

         (a)             Financial Statements.

            Not applicable.

         (b)             Pro Forma Financial Information.

            Not applicable.

         (c)              Exhibits.

            The following exhibits are filed herewith in accordance with
the provisions of Item 601 of Regulation S-K:

Exhibit No. Description of Exhibit

     2.1    Share  Purchase  Agreement,   dated  as  of  June  16,  1998,  by
            and  among Datastream   Systems,   Inc.,   Sikasso   PTE.   Ltd.,
            and  the stockholders  of Strategic  Information  Systems PTE. Ltd.
            listed on the signature pages thereto.

     4.1    Escrow  Agreement,  dated  as of  June  16,  1998,  by and  among
            Datastream Systems,  Inc.,  Sikasso PTE. Ltd., the stockholders of
            Strategic Information  Systems  PTE.  Ltd.  listed on the signature
            pages thereto and Hunton & Williams, as Escrow Agent.

<PAGE>
ITEM 9.  SALE OF SECURITIES PURSUANT TO REGULATION S.

            As a portion of the  consideration  for the acquisition of all of
the  capital  stock  and  equity  interests  of SIS,  on June 16,  1998,  the
Company  issued  88,652  shares of its Common Stock to the SIS  stockholders.
The shares of Common Stock were issued without  registration  pursuant to the
exemption  provided  by  Rule  903 of  Regulation  S  promulgated  under  the
Securities  Act of 1933,  as amended  ("Regulation  S").  The Company  claims
this  exemption  from  registration  on the basis that the  issuance was made
(i) in an  "offshore  transaction"  to  persons  each of whom are not a "U.S.
person" as  defined in Rule 902 of  Regulation  S, (ii) the  Company  and its
affiliates  and any agent  acting on behalf of the Company or its  affiliates
did not engage in any  "directed  selling  efforts" as defined in Rule 902 of
Regulation  S,  (iii)  "Offering  Restrictions"  as  defined  by Rule  902 of
Regulation  S were,  to the extent  applicable,  implemented  by the Company,
and (iv) all of the  shares of Common  Stock  issued to the SIS  stockholders
are  subject to the  restriction  that they may not be traded  after the date
of issuance  until the  expiration  of the  Regulation  S holding  period and
bear a legend to such  effect.  The  Company  also claims an  exemption  from
registration  under Section 4(2) of the  Securities  Act of 1933, as amended,
because the shares of Common  Stock were issued to a small  number of persons
in a transaction that did not involve any public offering.


<PAGE>

                                 SIGNATURES

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

                              DATASTREAM SYSTEMS, INC.


Date:  June 25, 1998                         By:  /s/ Daniel H. Christie
- ------------------------------------------------------------------------
                                             Daniel H. Christie
                                             Chief Financial Officer



<PAGE>

                                EXHIBIT INDEX


Exhibit No. Description of Exhibit

     2.1    Share  Purchase  Agreement,   dated  as  of  June  16,  1998,  by
            and  among Datastream   Systems,   Inc.,   Sikasso   PTE.   Ltd.,
            and  the stockholders  of Strategic  Information  Systems PTE. Ltd.
            listed on the signature pages thereto.

     4.1    Escrow  Agreement,  dated  as of  June  16,  1998,  by and  among
            Datastream Systems,  Inc.,  Sikasso PTE. Ltd., the stockholders of
            Strategic Information  Systems  PTE.  Ltd.  listed on the signature
            pages thereto and Hunton & Williams, as Escrow Agent.


<PAGE>
EXHIBIT 2.1






                           SHARE PURCHASE AGREEMENT



                                 by and among



                           DATASTREAM SYSTEMS, INC.
                               ("Datastream"),



                               SIKASSO PTE LTD



                                     and



         THE STOCKHOLDERS OF STRATEGIC INFORMATION SYSTEMS PTE. LTD.
                     LISTED ON THE SIGNATURE PAGES HERETO
                           (the "SIS Stockholders")

                         DATED AS OF 16 JUNE 1998

<PAGE>


                                 TABLE OF CONTENTS
                                                                          Page

      ARTICLE I  DEFINITIONS.................................................1

      ARTICLE II SHARE PURCHASE..............................................7
         2.1 Performance of Agreement........................................7
         2.2 Sale and Purchase of SIS Capital Stock..........................7
         2.3 Board Resignations..............................................8

      ARTICLE III THE CLOSING................................................8
         3.1 Location, Time, Etc.............................................8
         3.2 Transactions at the Closing.....................................8

      ARTICLE IV REPRESENTATIONS AND WARRANTIES OF THE SIS STOCKHOLDERS.....11
         4.1 Authorization, Etc.............................................11
         4.2 No Consent Required............................................11
         4.3 Litigation Relating to the Agreement...........................12
         4.4 U.S. Status....................................................12
         4.5 Other Claims...................................................12
         4.6 Capitalization.................................................12
         4.7 Corporate Organization.........................................13
         4.8 Intentionally Omitted............................................
         4.9 Noncontravention...............................................12
         4.10 Litigation....................................................13
         4.11 Bankruptcy or Liquidation Proceedings.........................13
         4.12 Certain Contracts.............................................13
         4.13 Financial Statements..........................................14
         4.14 No Other Charges..............................................14
         4.15 Property......................................................15
         4.16 Permits.......................................................15
         4.17 No Illegal Acts...............................................15
         4.18 Prior Issuances...............................................15
         4.19 Taxes.........................................................17
               15
         4.20 Intellectual Property.........................................16
         4.21 Product Warranty and Liability................................17
         4.22 Pension Matters...............................................18
         4.23 Accounting Practices..........................................19
         4.24 Labor and Employment Matters..................................19
         4.25 Intentionally Omitted.........................................20
         4.26 Fees and Expenses.............................................20
         4.27 Certain Payments..............................................20
         4.28 Accounts Payable..............................................20

<PAGE>
      ARTICLE V REPRESENTATIONS AND WARRANTIES OF DATASTREAM................22
         5.1 Organization; Good Standing; Qualification and Power...........22
         5.2 Authority......................................................21
         5.3 Noncontravention...............................................21
         5.4 SEC Documents..................................................22
         5.5 Capitalization.................................................22
         5.6 No Calamities..................................................22
         5.7 No Changes.....................................................22
         5.8 Stock Issuance.................................................24
         5.9 Financial Statements...........................................23
         5.10 Internal Controls.............................................23
         5.11 Indemnity to Guarantors.......................................23

      ARTICLE VI ADDITIONAL COVENANTS AND AGREEMENTS........................24
         6.1 Expenses.......................................................24
         6.2 Agreement to Cooperate.........................................24
         6.3 Public Statements..............................................24
         6.4 Release........................................................24
         6.5 Amounts Payable By SIS Stockholders............................24
         6.6 Intentionally Omitted..........................................24
         6.7 Resale Restrictions............................................24
         6.8 Removal of Regulation S Legend.................................24
         6.9 Intentionally Omitted..........................................25
         6.10 KPMG Audit....................................................25


      ARTICLE VII SURVIVAL OF REPRESENTATIONS AND WARRANTIES AND
                    INDEMNIFICATION.........................................25
         7.1 Survival of Representations and Warranties.....................25
         7.2 Obligation of SIS Stockholders to Indemnify....................26
         7.3 Obligations of Datastream and AqSub to Indemnify...............26
         7.4 Conditions of Indemnification with Respect to Third Party
               Claims.......................................................26
         7.5 US$250,000 Floor...............................................27
         7.6 Reduction for Certain Benefits.................................27
         7.7 No Release for Fraud, Ownership Representations................27
         7.8 Subrogation Rights.............................................27
         7.9 Establishment of Escrow; Indemnification Not Limited...........27
         7.10 Interest......................................................28

      ARTICLE VIII STOCKHOLDERS' REPRESENTATIVE.............................28
         8.1 Appointment; Acceptance........................................28
         8.2 Authority......................................................28
         8.3 Actions........................................................29
         8.4 Successors.....................................................29
         8.5 Effectiveness..................................................29

                                   ii
<PAGE>
         8.6 Indemnification................................................29

      ARTICLE IX NON COMPETITION ...........................................29
         9.1 Restrictions...................................................29
         9.2 Severable......................................................30
         9.3 Provisions Reasonable..........................................30

      ARTICLE X GENERAL PROVISIONS..........................................30
         10.1 Amendment.....................................................30
         10.2 Extension; Waiver.............................................31
         10.3 Entire Agreement..............................................31
         10.4 Severability..................................................31
         10.5 Notices.......................................................31
         10.6 Headings......................................................33
         10.7 Counterparts..................................................33
         10.8 Benefits; Assignment..........................................33
         10.9 Governing Law; Arbitration....................................33
         10.10 Language of Agreement........................................34
         10.11 Contractual Currency.........................................34
         10.12 Agent for Service............................................34
         10.13 Construction.................................................34

                                   iii
<PAGE>

                          SHARE PURCHASE AGREEMENT
                                BY AND AMONG
                          DATASTREAM SYSTEMS, INC.,
                               SIKASSO PTE LTD
                                     AND
         THE STOCKHOLDERS OF STRATEGIC INFORMATION SYSTEMS PTE. LTD.
                    LISTED ON THE SIGNATURE PAGES HERETO


      THIS  SHARE  PURCHASE  AGREEMENT  (the  "Agreement")  is made  and
entered into as of this 16 day of June,  1998, by and among  Datastream
Systems, Inc., a Delaware corporation ("Datastream"),  Sikasso Pte Ltd.,
a corporation  organized and existing  under the laws of The Republic of
Singapore and a wholly owned  subsidiary of  Datastream  ("AqSub"),  and
the   stockholders   of  SIS  listed  on  the  signature   pages  hereto
(hereinafter  referred  to  individually  as an  "SIS  Stockholder"  and
collectively as the "SIS Stockholders").

      The parties  hereto have  agreed that AqSub will  purchase  all of
the issued and  outstanding  ordinary  capital stock of SIS from the SIS
Stockholders  upon the  terms  and  conditions  set  forth  herein  (the
"Transaction").  The parties  hereto  desire to make this  Agreement for
the  purpose  of  setting  forth  certain  representations,  warranties,
covenants,   conditions   and   indemnities   in  connection   with  the
Transaction.

      THEREFORE,   in  consideration  of  the  mutual   representations,
warranties,  covenants, conditions and indemnities contained herein, the
parties hereto agree as follows:

                         ARTICLE I DEFINITIONS
                              DEFINITIONS

      The following  capitalized terms used in this Agreement shall have
the meanings set forth below:

      1.1   "Affiliate"  means,  with  respect  to  a  specific  Person,
another  Person  that  directly  or  indirectly,  through  one  or  more
intermediaries,  controls,  is controlled by, or is under common control
with, the Person specified.

      1.2   "AqSub" means  SIKASSO PTE LTD a  corporation  organized and
existing under the laws of The Republic of Singapore..

      1.3   "Business Day" means any day, other than a Saturday,  Sunday
or legal  holiday  on  which  banks  are  permitted  to close in  either
Greenville, South Carolina or Singapore.

      1.2   "Cash  Consideration" means S$7,690,728 the aggregate amount
of cash (less the deposit of US$100,000  paid to the  Stakeholder  on 12
June  1998  pursuant  to the  letter  of  intent  dated 4 June  1998 and
<PAGE>
accepted  on  9  June  1998)  to  be  delivered  by  AqSub  to  the  SIS
Stockholders  at the Closing to be  converted  into US$ and applying the
exchange rate of US$1.00 to S$1.681.

      1.3   "Claim"  or  "Claims"  shall mean any suit,  demand,  claim,
action  or  cause  of  action,  assessment,   loss,  damage,  liability,
proceeding,  arbitration,  investigation,  cost or expense  described in
Article VII hereof.

      1.4   "Closing"   means   the   closing   of   the    transactions
contemplated by this Agreement.

      1.5   "Closing  Date"  means 16 June 1998 (or such  other  date as
the  parties  shall  mutually  agree to),  the date on which the Closing
shall occur.

      1.6   "Convertible   Securities"   means  any   option,   warrant,
convertible note or debenture,  right to purchase or other instrument or
agreement  representing  a right to acquire any  capital  stock or other
equity interest in SIS.

      1.7   "Datastream"  means  Datastream  Systems,  Inc.,  a Delaware
corporation.

      1.8   "Datastream  Common Stock" means the shares of common stock,
$.01 par value per share, of Datastream.

      1.9   "DGCL" means the Delaware General Corporation Law.

      1.10  "Escrow Agent" means Hunton & Williams.

      1.11  "Escrow  Agreement" means the Escrow  Agreement  referred to
in Section 7.9 hereof, in the form attached hereto as Exhibit A.

      1.12  "Escrow  Shares" means 29,566  shares of  Datastream  Common
Stock (otherwise  comprising a portion of the Stock Consideration) to be
deposited in escrow  pursuant to the Escrow  Agreement in the respective
amounts for each SIS Stockholder set forth on Schedule 2.2.

      1.13  "Exchange  Act" means the  Securities  Exchange Act of 1934,
as amended.

      1.14  "Financial  Statements"  means (a) the  audited  accounts of
SIS  for  the  period  ending   February  28,  1997  comprising  of  the
directors'  report,  accounts  and the  notes  to the  account;  (b) the
unaudited  management  accounts  of SIS for the period from 1 March 1997
to 28 February  1998; (c) the unaudited  management  accounts of SIS for
the period from 1 March 1998 to 30 April 1998;  and (d) an estimate  (to
be presented  in the same format as the  unaudited  management  accounts
for the  period  from 1 March  1998 to 30 April  1998) of the  financial
status of SIS for the for the period from 1 May 1998 to 31 May 1998.
<PAGE>
      1.15  "Governmental  Authority"  means any  court,  administrative
agency,  commission or other governmental  authority or instrumentality,
local, state or federal, of any domestic or foreign government.

      1.16  "Indemnified  Party" shall have the meaning ascribed to such
term in Section 7.4 hereof.

      1.17  "Indemnifying  Party"  shall have the  meaning  ascribed  to
such term in Section 7.4 hereof.

      1.18  "Intellectual  Property" means all intellectual property and
the  rights  thereto,  whether  owned  or  used  by  SIS  or  one of its
Affiliates  or  licensed  from  another  party  to  SIS  or  one  of its
Affiliates,   whether  existing  under  the  laws  of  The  Republic  of
Singapore,  the  United  States of  America  or any other  jurisdiction,
including, without limitation:

            (a)   patents,  patent applications,  patent rights,  patent
disclosures and improvements thereto;

            (b)   trademarks,  trade names,  trade designs,  trade dress
logos,   service   marks,   corporate   names  and   registrations   and
applications for registrations thereof;

            (c)   copyrights;

            (d)   computer software  (including  without  limitation the
source code for any such software),  data and documentation  (related to
the computer software) ;

            (e)   trade secrets and confidential  business  information,
including  without   limitation,   customer  lists,   ideas,   formulae,
inventions  (whether  patentable  or not and  whether or not  reduced to
practice),   know-how,   manufacturing  and  production   processes  and
techniques,    research   and   development    information,    drawings,
specifications,  designs, plans, development and other tools, proposals,
technical data, copyrightable works of authorship,  financial, marketing
and business data, pricing and cost information,  business and marketing
plans, proprietary processes, techniques and formulae;

            (f)   other proprietary rights; and

            (g)   all  documentation  and tangible  embodiments  thereof
(in whatever  form or medium)  constituting,  describing  or relating to
the  above,  including,  without  limitation,   manuals,  memoranda  and
records.

      1.19  "Law" or "Laws" means any federal,  state, local, municipal,
foreign,   international,    multi-national   or   other   judicial   or
administrative order, judgment, injunction,  decree, constitution,  law,
ordinance, common law, rule, regulation, statute or treaty.
<PAGE>
      1.20  "Liability"  means any and all direct or  indirect  demands,
claims,  payments,   obligations,   recoveries,   deficiencies,   fines,
penalties,  interest,  assessments,  actions,  causes of action,  suits,
losses,  liabilities,  costs,  expenses  (including without  limitation,
interest,   penalties  and  reasonable  attorneys'  fees  and  expenses,
including  attorneys'  fees and expenses  necessary to enforce rights to
indemnification  hereunder,  and  consultant's or arbitrator's  fees and
other  costs of defense or  investigation),  and  interest on any amount
payable to a third party as a result of the foregoing,  whether accrued,
absolute, actual, contingent, known, unknown.

      1.21  "Lien" means any  mortgage,  charge,  pledge,  lien,  claim,
option, right to acquire,  right of conversion or other form of security
or encumbrance of any kind or nature  whatsoever,  on, over or affecting
the subject assets, property or securities.

      1.22  "Memorandum  and Articles of  Association"  of a corporation
incorporated   in  The   Republic  of  Singapore  or  Brunei  means  the
Memorandum  and  Articles  of  Incorporation  of  such  corporation,  as
amended through the date hereof.

      1.23  "Material" or "material"  means any event,  change or effect
related to the condition (financial or otherwise),  properties,  assets,
liabilities,  businesses, operations, results of operations or prospects
of an entity that a  reasonable  investor  would deem to be important in
deciding  whether or not to make or change an investment in such entity.
No  particular  amount of US Dollars or Singapore  Dollars (or any other
currency) shall be dispositive of materiality.

      1.24  "Material  Adverse  Effect" means a Material  adverse effect
on the condition  (financial or otherwise),  business,  properties,  net
worth,  results  of  operations  or  prospects  of  a  company  and  its
Subsidiaries taken as a whole.

      1.XX  "NCB"  means NCB  Holdings  Pte  Ltd.,  a  corporation  duly
organized under the laws of the Republic of Singapore.

      1.25  "Nasdaq/NMS"  means the  automated  quotation  system of the
Nasdaq Stock Market,  Inc. known as the National Market System, on which
the Datastream Common Stock is listed.

      1.26  "Person"  means  a  natural  person,  company,  corporation,
partnership,   government,   or   political   subdivision,   agency   or
instrumentality of any domestic or foreign government.

      1.XX  "Preference  Shares"  means  the  53,000  issued  and  fully
paid-up redeemable  preference shares of SIS owned by NCB and being free
from any liens, charges or encumbrances whatsoever.

      1.27  "Products"  shall  have the  meaning  set  forth in  Section
4.20(a) hereof.
<PAGE>
      1.28  "Regulation S"  means  Regulation S and the rules thereunder
promulgated under the Securities Act of 1933, as amended.

      1.29  "Regulation  S Legend"  means the legend to be placed on the
shares of Datastream Common Stock  constituting the Stock  Consideration
that reads as follows:

            "The shares of Datastream  Common Stock represented
            by this  Certificate have not been registered under
            the   Securities  Act  of  1933,  as  amended  (the
            "Securities  Act"),  and have been  issued  outside
            the United  States in reliance  upon  Regulation  S
            promulgated  under the Securities  Act. Such shares
            may not be offered or sold in the United  States or
            to  U.S.   persons  (as  defined  in  Regulation  S
            promulgated  under the Securities  Act), other than
            distributors,  unless  the  shares  are  registered
            under the  Securities  Act or such offer or sale is
            made in  compliance  with  Regulation  S or another
            exemption  from the  registration  requirements  of
            the Securities Act is available.

      1.XX  "SBM" means STRATEGIC BUSINESS  MANAGEMENT SDN BHD,
            a company duly organized under the laws of Brunei.

      1.30  "SEC" means the Securities and Exchange Commission.

      1.31  "SEC  Documents"  means  Datastream's  Annual Report on Form
10-K and  Annual  Report  to  Stockholders  for the  fiscal  year  ended
December  31, 1997,  Datastream's  Proxy  Statement  for the 1998 Annual
Meeting of  Stockholders,  and all other reports filed or required to be
filed by  Datastream  with the SEC  subsequent  to  January  1, 1998 but
prior to the Closing.

      1.32  "Securities  Act"  means  the  Securities  Act of  1933,  as
amended.

      1.33  "SIS" means  Strategic  Information  Systems  PTE.  LTD.,  a
corporation  organized  and  existing  under the laws of the Republic of
Singapore.  Unless the context  otherwise  indicates,  the term "SIS" as
used herein includes SIS and its consolidated  subsidiaries,  if any, as
well as any  predecessors of SIS and its consolidated  subsidiaries,  if
any, including without  limitation,  former  subsidiaries of SIS and the
predecessors  of such  former  subsidiaries.  Brief  details  of SIS are
provided for in Schedule 4.6.

      1.34  "SIS  Capital  Stock"  means  all  the  issued  and  paid-up
ordinary  shares of par value S$1.00 each in SIS comprising of 1,000,000
ordinary shares free from any liens, charges or encumbrances whatsoever.

      1.35  "SIS Expenses"  means all fees and expenses paid or incurred
by SIS and the SIS  Stockholders  in connection with the preparation for
and consummation of the transactions  contemplated by this Agreement and
<PAGE>
the other Transaction  Documents,  including,  without  limitation,  all
attorneys',  investment banking and other professional fees and expenses
and brokers' or finders' fees and expenses  (including those of SIS' law
firm) for persons  engaged by SIS or the SIS  Stockholders  (or claiming
to be so engaged),  filing fees,  copying expenses,  travel expenses (if
any) and other out-of-pocket costs related to the Transaction.

      1.36  "SIS  Stockholders'  Representative"  shall have the meaning
ascribed to such term in Section 8.1 hereof.

      1.XX  "Singapore  Dollars"  or "S$" means the lawful  currency  of
Singapore.

      1.37  "Stock  Consideration" means 88,652 shares (based on a price
of  US$21.75  per share) of  Datastream  Common  Stock (an amount  which
includes  29,566  Escrow  Shares),  the  aggregate  number  of shares of
Datastream  Common  Stock  to be  delivered  by  AqSub  at the  Closing.
Subject to Section 6.8  hereof,  the certificates  evidencing the shares
of Datastream Common Stock  constituting the Stock  Consideration  shall
bear the Regulation S Legend and the certificates  evidencing the Escrow
Shares may also bear a legend  referencing this Agreement and the Escrow
Agreement.

      1.38  "Subsidiary,"  with  respect to any  entity,  means  another
entity the  majority of the  outstanding  equity  interests of which are
owned,  directly or indirectly,  by the first entity,  together with any
predecessor corporation of such majority-owned entity, if any.

      1.39  "Tax or Taxes" means with respect to any entity:

            (a)   all  taxes  (including  any tax on or  based  upon net
income, gross income,  income as specially defined,  earnings,  profits,
or selected items of income,  earnings,  or profits) and all sales, use,
transfer, franchise, license, withholding,  social security and payroll,
employment,   severance,   occupation,   pension  premium,  property  or
alternative or add-on minimum taxes, customs duties,  levies, stamp duty
or other taxes,  fees,  assessments  or charges of any kind  whatsoever,
together  with any  interest  and any  penalties,  additions  to tax, or
additional  amounts  imposed  by  any  taxing  authority   (domestic  or
foreign) on such entity,  whenever created or imposed and whether of the
Republic of Singapore or any other part of the world,  whether  disputed
or not; and generally any tax, duty, impost,  levy or rate or any amount
payable to the  revenue,  customs or fiscal  authorities  whether of the
Republic of Singapore  or of any other  jurisdiction  and all  penalties
related thereto or arising in respect thereof; and

            (b)   any  liability  for the  payment  of any amount of the
type described in the  immediately  preceding  paragraph (a) as a result
of being a  "transferee"  of another entity or a member of an affiliated
or combined group.

      1.40  "Transaction  Consideration"  means  the Cash  Consideration
and the Stock  Consideration  payable by AqSub  pursuant to  Section 2.2
hereof to the SIS  Stockholders  in the respective  amounts set forth on
Schedule 2.2.
<PAGE>
      1.41  "Transaction  Documents" means this Agreement and the Escrow
Agreement.

      1.42  "US  Dollars"  or "US$"  means the  lawful  currency  of the
United States of America.

      1.43  "U.S.  Person"  means any  natural  person  resident  in the
United States, any partnership or corporation  organised or incorporated
under the laws of the United  States,  any trust of which any trustee is
a U.S.  Person or as  otherwise  defined in Rule 902(k) of  Regulation S
promulgated  under U.S Securities  Act of 1993, as amended  ("Regulation
S").

                       ARTICLE II SHARE PURCHASE

                             SHARE PURCHASE

      2.1   Performance  of  Agreement.  Prior to the date  hereof,  the
parties  hereto  (and  the  SIS  Stockholders  shall  procure  SIS to do
likewise)   shall  take  all  actions   necessary  in  accordance   with
applicable  law  and  their   respective   Memorandum  and  Articles  of
Association to approve this Agreement and the transactions  contemplated
hereby  and to  cause  the  Transaction  to be  consummated,  including,
without  limitation,  convening  meetings  of  the  stockholders  of the
respective   parties  (or   obtaining   the   written   consent  of  the
stockholders in lieu of a meeting if permitted under  applicable law) to
consider  and  vote  upon  the  approval  of  the  Transaction  if  such
stockholder approval is required.

            2.2   Sale and  Purchase of SIS Capital  Stock.  Each of the
SIS  Stockholders  hereby sells all of the right,  title and interest in
and to the SIS  Capital  Stock  owned by each of them,  as set  forth on
Schedule 2.2  hereof,  to AqSub,  and AqSub hereby purchases all of such
right,  title and interest in such shares of SIS Capital  Stock,  as set
forth on  Schedule 2.2  hereof,  subject  to the  terms  and  conditions
hereof.  Each outstanding  share of SIS Capital Stock sold and purchased
shall be  transferred  to AqSub  free and  clear of any  Liens,  and the
Transaction  shall,  subject to Section 3.3, be deemed  effective at the
Closing  by  execution  of the  relevant  instruments  of  transfer,  in
consideration  for  AqSub's  payment  and  delivery  of the  Transaction
Consideration  in  respect  of all such SIS  Capital  Stock.  At Closing
(and  subject to Section  3.3),  in  exchange  for the SIS Common  Stock
transferred to AqSub by each SIS Stockholder,  AqSub shall, with respect
to each of the SIS Stockholders in the respective  proportions set forth
on Schedule 2.2,  (i) deliver to the  Stakeholder  certificates  (in the
respective  names of the SIS  Stockholders)  representing  the number of
shares  of  Datastream   Common  Stock  equal  to  the  aggregate  Stock
Consideration  (less the  Escrow  Shares)  due to the SIS  Stockholders,
(ii) deliver  bank drafts to the  Stakeholder  in an amount equal to the
aggregate Cash  Consideration  due to them, and (iii) deliver the Escrow
Shares to the Escrow  Agent.  The  transfer of the shares of  Datastream
Common  Stock  representing  the Stock  Consideration  shall  occur upon
delivery  of  certificates  representing  such  shares  at  Closing.  At
Closing,  Datastream  may deduct from the aggregate  Cash  Consideration
<PAGE>
due to each SIS  Stockholders,  such  stockholder's  pro rata portion of
the  reimbursement  obligation  of the SIS  Stockholders  set  forth  in
Section 6.5 hereof.

      2.3   Board  Resignations.  Save for Ms Choy Feng Alice, Mr Ng Kee
Chan,  Mr  Philip J Waugh,  all the SIS  Stockholders  shall  resign  as
directors of SIS, effective  immediately prior to or on the Closing Date
and the said directors shall, in their respective  resignation  letters,
confirm that they have no claims  whatsoever  against SIS, its directors
or any of its employees.

                        ARTICLE III THE CLOSING

                              THE CLOSING

      3.1   Location,  Time,  Etc.  The  Closing  shall  be  held at the
offices of SIS, on the Closing Date  commencing  at 3 pm local time,  or
at such  other  time  and  place  as the  parties  hereto  may  agree in
writing.  All of the actions and  transactions  necessary  to effect the
Closing shall be deemed to have occurred, and all agreements,  documents
and  other  instruments  shall  be  deemed  to have  been  executed  and
delivered,  simultaneously  at the Closing.  No action,  transaction  or
execution and delivery of any  agreement,  document or other  instrument
or payment or issuance of shares shall be  considered  to have been made
or effected  until all the actions shall have been taken at the Closing,
and the Closing shall have been completed.

      3.2   Transactions at the Closing - SIS Stockholders
            At the Closing :-

            3.2.1 the SIS  Stockholders  shall deliver to Datastream and
AqSub the following:

            (a)   duly executed  instruments of transfers of all the SIS
Capital  Stock in  favour  of AqSub or its  nominees  together  with the
relevant original share certificates;

            (b)   duly  executed  statutory  declaration(s)  relating to
the disposal of the SIS Capital Stock and the  Preference  Shares in the
form  approved by the Inland  Revenue  Authorities  of  Singapore in the
case  where  SIS owns  real  property,  or, if SIS does not own any real
property,  such  other  letter/statement  to the  Commissioner  of Stamp
Duties (or such other relevant authority) stating such fact;

            (c)   apart   from   Section    3.2.1(l),    duly   executed
instruments  of transfer  (together  with the  relevant  original  share
certificates)  in favour of SIS (or its  nominees) of such shares in the
Subsidiaries  as are  registered  in the  names of  nominee  holders  or
trustees, together with the relevant original share certificates;
<PAGE>

            (d)   such  waivers or consents as  Datastream  or AqSub may
require to enable AqSub or its nominees to be  registered  as holders of
any of the SIS Capital Stock and the Preference Shares;

            (e)   Intentionally Omitted;

             (f)  the  original   title  deeds  (if  any)  of  any  real
properties  owned  by  SIS,  its  Subsidiaries  or  Affiliates  and  the
original  share  certificates  of any  shares  in any  company  (whether
within or outside Singapore) registered in the name of SIS;

            (g)   Intentionally Omitted;

             (i)  an unconditional  letter of release from SIS's bankers
evidencing  the release and discharge of all  guarantees and charges (if
any) granted by SIS;

            (j)   certified  copies  of any  powers  of  attorney  under
which any of the  documents  referred to in this Section 3.2 is executed
or evidence  satisfactory  to  Datastream of the authority of any person
signing on its behalf;

            (k)   letters of  resignation  of  directors in the approved
terms from each of the SIS  Stockholders  (save for Ms Choy Feng  Alice,
Mr Philip J Waugh and Mr Ng Kee Chan),  such resignations to take effect
from close of the  meeting  of the board  referred  to in Section  3.2.2
below;

            (l)   duly signed  declarations of trust (in a form approved
by SIS) by Mr  Philip  John  Waugh  and Mr Lim Bian San in favour of SIS
(or its nominees) in respect of their  shareholdings in SBM, duly signed
blank  share  transfer  forms in respect of these  shares in SBM and the
original share certificates representing these shares;

            (m)   board  resolution of SBM approving the transfer of the
shares of SBM  described  in Section  3.2.2(l)  above (in the event this
item cannot be furnished at Closing,  the SIS Stockholders  undertake to
furnish this item within two weeks from Closing);

            (n)   certified   true   copy  of  the  sale  and   purchase
agreement  between  NCB and Lim  Bian  San  relating  to the  Preference
Shares;  a copy of the duly signed  instrument  of transfer  relating to
the  Preference  Shares  between  Lim Bian San and NCB and a copy of the
share certificates representing the Preference Shares owned by NCB;

            (o)   duly signed sale and purchase  agreement between AqSub
and  Lim  Bian  San  relating  to  the  Preference  Shares  (which  were
previously  purchased  by Lim Bian San from the NCB and as  described in
Section  3.2.1(n)  above);   the  original  duly  signed  instrument  of
transfer  relating to the  Preference  Shares between AqSub and Lim Bian
San; the original share certificates  representing the Preference Shares
held by Lim Bian San, and the written  consent of the SIS  Stockholders'
(save for Lim Bian  San)  consent  for the  transfer  of the  Preference
Shares from Lim Bian San to AqSub;
<PAGE>
            (p)   Intentionally Omitted.

            3.2.2 the SIS Stockholders  shall cause the directors of SIS
to  hold a  meeting  of the  board  of SIS to pass  resolutions  (in the
approved form) to :-

            (a)   approve the  registration  of AqSub as a member of SIS
subject only to the  production of duly stamped and completed  transfers
in respect of the SIS Common Stock and the Preference  Shares (purchased
from Lim Bian San);

            (b)   appoint   such   persons  as  AqSub  may  nominate  as
directors of SIS;

            (c)   revoke all  authorities to the bankers of SIS relating
to bank  accounts  and to give  authority  to such  persons as AqSub may
nominate to operate the same;

      3.3   Transactions at the Closing - AqSub

            At the Closing,  AqSub shall deliver to the SIS Stockholders
the following:

            (a)       (i)     a   cashier's   order   for   the  sum  of
S$150,000  payable  in  favour  of  Lim  Bian  San as  repayment  of the
director's  loan  of  S$150,000  owing  by  SIS  to Lim  Bian  San.  The
cashier's  order of  S$150,000  shall be  treated as a loan (and the SIS
Stockholders  shall procure SIS to  acknowledge  the said loan) by AqSub
to SIS for the repayment of the said director's loan of S$150,000;

                      (ii)    a   cashier's   order   for   the  sum  of
S$150,000  payable  in  favour of Choy Feng  Alice as  repayment  of the
director's  loan of  S$150,000  owing  by SIS to Choy  Feng  Alice.  The
cashier's  order of  S$150,000  shall be  treated as a loan (and the SIS
Stockholders  shall procure SIS to  acknowledge  the said loan) by AqSub
to SIS for the repayment of the said director's loan of S$150,000;

            (b)  deliver certificates  representing the number of shares
of Datastream  Common Stock equal to the aggregate  Stock  Consideration
(less the Escrow Shares) due to the SIS Stockholders;

            (c)  deliver  cashier's  orders  to  the  SIS  Stockholders'
Representative  for the  benefit  of the SIS  Stockholders  in an amount
equal to the aggregate Cash Consideration due to them;

            (d)  deliver the Escrow Shares to the Escrow Agent;

PROVIDED  ALWAYS  that at Closing,  the items  listed in Section 3.3 (b)
and (c)  ("Stakeholder  Items")  shall be  delivered to M/s Timothy Ong,
Lim & Partners as a stakeholder  ("Stakeholder").  The Stakeholder shall
hold on to the  Stakeholder  Items in its capacity as a stakeholder  and
shall  only  release  the same to the  respective  SIS  Stockholders  on
Completion (as defined in the Sale and Purchase  Agreement  entered into
between Lim Bian San and AqSub).
<PAGE>
It is agreed  that Mr Lim Bian San shall  bear half of all stamp  duties
payable on the back-to-back transfers of the Preference Shares.

At Closing,  Datastream may deduct from the aggregate Cash Consideration
due to each SIS  Stockholders,  such  stockholder's  pro rata portion of
the  reimbursement  obligation  of the SIS  Stockholders  set  forth  in
Section 6.5 hereof.

      3.4   At Closing,  Ms Choy Feng  Alice,  Mr Philip J. Waugh and Mr
Ng Kee Chan shall enter into  employment  contracts with SIS on approved
terms.

      3.5   Without prejudice to any of the other remedies  available to
the parties,  if in any respect any of the completion items listed above
are not  satisfied/delivered  by 16 June 1998, the parties may by mutual
agreement :-

            (a)   defer  Closing to a date not more than 7 working  days
after the 16 June 1998;

            (b)   proceed to Closing so far as is  practicable  (without
prejudice to the their respective rights); or

            (c)   rescind this Agreement.

   ARTICLE IV REPRESENTATIONS AND WARRANTIES OF THE SIS STOCKHOLDERS

                   REPRESENTATIONS AND WARRANTIES OF

                          THE SIS STOCKHOLDERS

      Each  of the  SIS  Stockholders,  jointly  and  severally,  hereby
represents  and  warrants  to  Datastream  and  AqSub as  follows  (such
representations  and warranties to be true and correct as of the Closing
Date or as of any  other  specific  date set  forth  below as of which a
particular statement is made):

      4.1   Authorization,  Etc.  Such SIS  Stockholder  has the  power,
authority  and  capacity  to enter  into this  Agreement  and each other
Transaction  Document  to  which  it is a  party  and to  carry  out the
transactions   contemplated  hereby  and  thereby,   and,  assuming  due
execution  and  delivery of this  Agreement  and each other  Transaction
Document by the other  parties  hereto and thereto,  this  Agreement and
each  other  Transaction   Document  constitutes  a  valid  and  binding
agreement  of  such  SIS  Stockholder,   enforceable  against  such  SIS
Stockholder  in  accordance  with its terms.  Such SIS  Stockholder  has
irrevocably  waived  any  preemptive  rights  or other  rights  of first
refusal  applicable  to the  Transaction  under  Singapore  law or SIS's
Memorandum  and  Articles of  Association  in respect of the SIS Capital
Stock and the Preference Shares.

      4.2   No  Consent  Required.  No  consent,   approval,   order  or
authorization  of, or  registration,  declaration  or filing  with,  any
Governmental  Authority on the part of such SIS  Stockholder is required
in  connection  with its execution or delivery of or  performance  under
<PAGE>
this Agreement or any other Transaction  Document or the consummation of
the Transaction.

      4.3   Litigation  Relating to the  Agreement.  Neither SIS nor any
such SIS Stockholder is a party to, or subject to, any judgment,  decree
or  order  entered  in  any  lawsuit  or   proceeding   brought  by  any
Governmental  Agency or other party  seeking to prevent the execution of
this Agreement or any other Transaction  Document or the consummation of
the Transaction.

      4.4   U.S. Status.  Such SIS Stockholder (i) is not a U.S. Person;
(ii) is not  acquiring  the  Datastream  Common Stock for the account or
benefit of any U.S.  Person;  (iii) agrees to resell his/her  Datastream
Common  Stock  only in  accordance  with  Regulation  S or  pursuant  to
registration under U.S.  securities laws and regulations or an available
exemption therefrom.

      4.5   Other Claims.  Such SIS Stockholder  does not have and shall
not have any claim or cause of  action  whatsoever  (including,  without
limitation,  any claim under any employment,  management,  consulting or
service  agreement)  against SIS arising out of or in any way  connected
with any event,  occurrence or state of facts in existence  prior to the
Closing.

      4.6   Capitalization.

            (a)   All of the authorized,  issued and outstanding  shares
of SIS  Capital  Stock  are set  forth on  Schedules  4.6.  There are no
other such  shares of SIS  Capital  Stock nor are there any  Convertible
Securities   issued   or   outstanding.   Each  SIS   Stockholder   owns
beneficially  and of record all of the paid-up,  issued and  outstanding
shares of SIS Capital Stock  (including all rights  attached  thereto or
associated  therewith) as set forth opposite such SIS Stockholder's name
on  Schedule  4.6 hereto and has legal,  beneficial  and valid  title to
such shares of SIS Capital  Stock,  free and clear of all Liens.  At the
Closing,  (i) no  dividends  or rights to receive  dividends  shall have
accrued  to  the  holders  of SIS  Capital  Stock  that  have  not  been
terminated,  and (ii) the shares of SIS Capital Stock transferred by the
relevant  instruments  of  transfer  pursuant  to Article II hereof will
represent all of the paid-up and issued  ordinary  shares of SIS at such
time. The register of  stockholders of SIS contains  complete,  true and
accurate  records of SIS and sets forth such  information  regarding the
stockholders  of SIS as is  necessary  under  applicable  law.  Since 30
April 1998,  SIS has not paid nor made  provisions  or  arrangements  to
pay,  nor have the SIS  Stockholders  approved or agreed to  distribute,
any dividends or other  distributions of the profits or share capital of
SIS or  otherwise  made any change or  adjustment  to the  stockholders'
equity  (save for the transfer of the 177,500  ordinary  shares from the
estate of Ko Sun Siew to Lim Bian San and the  anticipated  transfer  of
the  Preference  Shares from NCB to Lim Bian San) of SIS. The details in
respect of SBM as contained in Schedule 4.6(a) are accurate and correct.

            (b)   The issued  and  outstanding  shares of capital  stock
set forth on  Schedules 4.6  and 4.6(a) hereto have been duly authorized
and validly issued,  are fully paid and nonassessable  (i.e.,  there are
<PAGE>
no liabilities  associated with such shares) and, except for such rights
of first refusal,  preemptive,  preferential  or similar rights existing
under SIS's (or SBM's  Memorandum  and  Articles of  Association  as the
case may be)  Memorandum  and Articles of  Association or existing under
Singapore  Law (all of which  have been  waived),  are not  entitled  or
subject to any  preemptive,  preferential  or similar  rights.  Save for
SBM, SIS has no  Subsidiaries  and  Affiliates and owns no other capital
stock or equity  interests,  or securities  exercisable or  exchangeable
for or  convertible  into capital stock or any other equity  interest in
any other corporation,  partnership,  joint venture, association,  trust
or other business organization or entity.

      4.7   Corporate Organization.

            (a)   SIS  has  been  duly   incorporated   and  is  validly
existing  and  duly  registered  under  the  laws  of  The  Republic  of
Singapore,  with full  corporate  power and authority to own,  lease and
operate  its  properties  and  to  conduct  its  business  as  presently
conducted,  and is  operating  in  accordance  with its  Memorandum  and
Articles of  association.  SIS is duly  registered  and  qualified to do
business  as a  corporation  under the foreign  corporation  law of each
jurisdiction  where such  registration  or  qualification  is  required,
except  where the  failure to so  register  or qualify  would not have a
Material  Adverse Effect on SIS; and no proceeding  has been  instituted
in any such jurisdiction  revoking,  limiting or curtailing,  or seeking
to revoke, limit or curtail, such registration or qualification.

      4.8   Intentionally Omitted

      4.9   Noncontravention.  The execution,  delivery and  performance
by each SIS  Stockholder  of this  Agreement and each other  Transaction
Document to which any SIS  Stockholder is a party,  the  consummation of
the transactions  contemplated hereby and thereby, and the compliance by
each such SIS  Stockholder  with the provisions  hereof and thereof will
not:

            (a)   conflict  with,  result in a violation of, result in a
breach of, or cause a default under (with or without  notice or lapse of
time,  or  both),  or give  rise to a right of  termination,  amendment,
cancellation  or  acceleration  of any  obligation  contained in, or the
loss of any material  benefit under,  or require the consent or approval
of any party to, or result in the  creation  of any Lien upon any of the
properties  or assets of SIS under any term,  condition  or provision of
any loan or credit  agreement,  note,  bond,  indenture,  lease or other
agreement,   instrument,   permit,   concession,   franchise,   license,
judgment,  order, decree,  statute,  law, ordinance,  rule or regulation
applicable  to SIS or any SIS  Stockholder  or any of  their  respective
properties or assets;

            (b)   violate any (save for the transfer  procedure provided
for in the  Memorandum  and  Articles of  Association  of SIS,  which is
hereby waived by the SIS  Stockholders)  provision of the Memorandum and
Articles of Association of SIS; or
<PAGE>
            (c)   require the consent,  approval, order or authorization
of, or  registration,  declaration  or  filing  with,  any  Governmental
Authority to be obtained by SIS in  connection  with the  execution  and
delivery  of this  Agreement  or any other  Transaction  Document or the
consummation of the transactions contemplated hereby and thereby.

      4.10  Litigation.  Save as provided  for in Schedule  4.10,  there
are no legal,  governmental  or arbitration  proceedings  pending or, to
the  knowledge of the SIS  Stockholders,  threatened  against SIS, or to
which SIS or any property owned or leased by SIS is subject,  that would
reasonably be expected to have a Material Adverse Effect on SIS.

      4.11  Bankruptcy  or   Liquidation   Proceedings.   There  are  no
bankruptcy or  liquidation  proceedings  pending  against SIS or, to the
knowledge of the SIS Stockholders, threatened against SIS.

      4.12  Certain Contracts

            (a)   Except as set forth on Schedule  4.12(a)  hereto,  SIS
is not a party to any written or oral, formal or informal,  agreement or
understanding concerning any:

                  (i)   Joint venture contract, royalty arrangement or
            other agreement which has involved or is reasonably
            expected to involve a sharing of profits with any third
            party;

                  (ii)  Indenture, mortgage, promissory note, loan
            agreement, guarantee or other agreement, arrangement or
            commitment for the borrowing of money, a line of credit or
            a leasing transaction of a type required to be capitalized
            in accordance with generally accepted Singapore accounting
            principles;

                  (iii) Indenture, mortgage, promissory note, loan
            agreement, guarantee or other agreement, arrangement or
            commitment for the borrowing or lending of money or line of
            credit from or to SIS to which any SIS Stockholder (or any
            Affiliate of any SIS Stockholder) is a party;

                  (iv)  Lease or other agreement under which SIS is
            lessor of, lessee of, or holds or operates any items of
            tangible personal property or real property owned by any
            third party and under which payments are made to or are
            received from such third party, which either calls for
            performance over a period of more than one (1) year from
            the date hereof or payment to or from SIS in an amount in
            excess of  S$5,000 per annum;

                  (v)   effective agreement, license, franchise,
            permit, indenture or authorization, which either calls for
            performance over a period of more than one (1) year or
            payment to or from SIS in an amount in excess of S$5,000
            per annum;
<PAGE>
                  (vi)  Agreement that restricts SIS from engaging in
            any aspect of its business or competing in any line of
            business in any geographic area;

                  (vii) Agreement or commitment made by SIS to guaranty
            or provide suretyship or to otherwise be contingently
            liable or responsible for the obligations of Persons other
            than SIS; or

                  (viii)      Arrangement under which the consequence
            of a default or termination would reasonably be expected to
            have a Material Adverse Effect on SIS.

            (b)   Except as set forth in Schedule 4.12(b) hereto,  there
are no distribution  contracts (including,  without limitation,  all OEM
and  end-user  contracts)  to  which  SIS is a  party  which  grant  any
exclusive right of any kind to any party.

            (c)   Attached hereto as Schedule  4.12(c) hereto is a true,
correct and complete  list of all  software  development  agreements  to
which SIS is a party or  beneficiary.  All such  agreements  provide for
the  assignment  to  SIS  of  all  right,  title  and  interest  to  any
technology,  development  work or other products  developed by any other
party for SIS. None of the agreements  listed on Schedule  4.12(c) (save
as disclosed in the said  Schedule)  permit any other party to retain or
own,  or  grant  to any  other  party,  any  right  to  any  technology,
development work or other product  developed by such party thereunder or
owned by SIS or of which SIS is a beneficiary.

            (d)   Except as set forth on Schedule  4.12(d)  hereto,  SIS
has not granted any source code licenses or established  any source code
escrow  arrangements.  None of such source code  licenses or source code
escrow  agreements  authorize any party thereto other than SIS to resell
or  otherwise  exploit  such  source  code  commercially  or to  further
develop  such  source  code in order to resell or  otherwise  exploit it
commercially.

            (e)   SIS  is  not,   and,  to  the  knowledge  of  the  SIS
Stockholders,  no other  party is, in default  under any  agreement  set
forth on any  schedule  delivered  pursuant to this  Section  4.12,  nor
under any other agreement to which SIS is a party.

      4.13  Financial  Statements.   The  Financial  Statements  present
fairly the consolidated  financial condition,  results of operations and
cash flows of SIS at the respective dates or for the respective  periods
covered  thereby,  and the  Financial  Statements  have been prepared in
accordance  with  generally  accepted  Singapore  accounting  principles
consistently  applied  throughout  the periods  involved.  Except as set
forth in the Financial  Statements,  including the notes thereto,  or in
any schedule  hereto,  SIS does not have any other  Material  Liability.
All  reserves  established  by  SIS  in  the  Financial  Statements  are
adequate  for  all  known   Liabilities   and   reasonably   anticipated
Liabilities.  The account balances included in the Financial  Statements
in respect of receivables,  liabilities,  and stockholders' equity were,
as of the respective  dates of such Financial  Statements,  accurate and
complete in all Material respects.
<PAGE>
      4.14  No Other  Charges.  Since 30 April 1998,  SIS has  conducted
its business only in the ordinary  course and there has not occurred any
transaction,  condition (financial or otherwise) of any character, event
or  change  (including  the  incurrence  of  any  liabilities,   whether
accrued,  contingent or otherwise) that would  reasonably be expected to
have a Material  Adverse  Effect on SIS.  SIS is not  delinquent  in any
material  payment of  principal or interest on any  outstanding  debt or
other  obligation.  In  particular,  since  30 April  1998,  SIS has not
(a) incurred  any  indebtedness  (other than trade debt  incurred in the
ordinary  course of business) or guaranteed any obligations of others or
made any loans or advances  to, or  investments  in, any other person or
entity,   (b) made  any  capital  investments  in  excess  of  S$80,000,
(c) changed  any  accounting  policy or  procedure or failed to maintain
its  books,  accounts  and  records  other than in the  ordinary  manner
consistent  with prior  years and in  accordance  with sound  commercial
practice,   (d) made   any   significant   change   to  the   employment
compensation  of any of its  employees,  or (e) made any agreement to do
any of the foregoing.

      4.15  Property.  Except as set forth on Schedule 4.15 hereto,  SIS
does  not  own any  real  property.  SIS has  full  legal  title  to all
properties  and  assets  reflected  as  owned  by  it in  the  Financial
Statements,  free and clear of any Lien except those which are described
in the  Financial  Statements  or that are not Material to SIS and which
do not  interfere in any  Material  respect with the use or proposed use
of the  property  or the  conduct  of the  business  of SIS;  all of the
property  (real  and  personal)  held  or  used  by  SIS  under  leases,
franchises,  licenses  or other  agreements  is held by it under  valid,
subsisting,  binding and  enforceable  leases,  franchises,  licenses or
other  agreements,  except  those that are not Material to SIS and which
do not  interfere in any  Material  respect with the use of the property
or the conduct of the business of SIS.

      4.16  Permits.  SIS has obtained and holds,  and is in  compliance
with,  all  permits,  licenses,  franchises,   approvals,  consents  and
authorizations of all Governmental  Authorities required under all laws,
rules and  regulations  in  connection  with its  business  (hereinafter
"permit"  or  "permits")  as are  necessary  to own its  properties  and
assets,  and to  conduct  its  business  in the manner  currently  being
conducted.  SIS has fulfilled and performed all of its obligations  with
respect  to each such  permit  and no event  has  occurred  which  could
reasonably  be expected  to result in, or after  notice or lapse of time
could  reasonably  be expected to result in,  violation,  revocation  or
termination of any such permit or result in any other  impairment of the
rights of the holder of any permit.

      4.17  No Illegal  Acts.  SIS is presently in  compliance  with all
laws,  orders,  rules and  regulations  applicable  to,  required  of or
binding  upon it or its  business,  and SIS has not  received any notice
from any  Governmental  Authority with respect to any failure or alleged
failure of SIS to comply with any such law,  order,  rule or regulation,
nor, to the  knowledge  of the SIS  Stockholders,  are any such  notices
proposed or threatened.

      4.18  Prior  Issuances.  All offers and sales of the capital stock
or  Convertible  Securities of SIS prior to the date hereof and all cash
payments or  distributions of the capital stock of SIS as dividends were
made  in  compliance  with  the  corporate  and  securities  laws of The
<PAGE>
Republic of Singapore and all other  applicable  Laws, and were not made
in  contravention  of any  preemptive  or other rights of first  refusal
under Singapore or other  applicable law or SIS' Memorandum and Articles
of Association

      4.19  Taxes.

            (a)   All  applicable  Tax returns  and  reports  which have
been  required  to be filed by or on behalf of SIS with  respect  to all
periods  ended on or before  the  Closing  have  been  filed (or are the
subject  of  valid   extensions)   with  the  appropriate   Governmental
Authorities  and all  such  Tax  returns  and  reports,  as  filed,  are
accurate and complete in all Material  respects;  all Taxes  required to
be shown on all such tax  returns  and reports or claimed to be due from
or with  respect to the business of SIS have been paid or reflected as a
liability on the  Financial  Statements  for  appropriate  periods;  all
deficiencies  asserted  as a result of any tax audits  have been paid or
finally  settled  and no issue has been  raised in any such audit  which
reasonably could be expected to result in a proposed  deficiency for any
other  period  not so  audited;  no set of facts  exists or has  existed
which would  constitute  grounds for the assessment of any Tax liability
with  respect to any tax periods  including  the periods  which have not
been audited by appropriate Governmental  Authorities;  and there are no
outstanding  agreements or waivers  extending  the  statutory  period of
limitation applicable to any Tax return or report for any period.

            (b)   All  amounts  due  and  payable  by  SIS  through  the
Closing in respect of Taxes will have been paid or  adequately  reserved
for in the  financial  accounts  of SIS.  No Taxes  (in  particular,  no
corporate  income taxes) are or will be due resulting from (a breach of)
a fiscal  unity or similar tax  structure  of which SIS is a part,  as a
result of this  Agreement or the  Transaction.  No disputes exist or are
to be  expected  with  any  Governmental  Authority  concerning  the Tax
position of SIS nor is there any reasonable  basis for any such dispute.
SIS has not made any  distributions  that are  taxable  or  disposed  or
acquired  any asset in such a manner that Taxes would be due. If SIS has
disposed  of its  assets  for  consideration  equal to the book value of
that asset as shown in or adopted for the purposes of its  accounts,  no
liability  for Taxes would  reasonably be expected to arise by reference
to any profit,  nor would any relief or allowance  previously claimed be
liable to be withdrawn or subject to drawback.

      4.20  Intellectual Property.

            (a)   The  products  listed on Schedule  4.20(a)  hereto and
the  support  and  maintenance  services  provided  for  those  products
pursuant to license or  distribution  agreements  are the only  products
(hardware,   software,   services  and  others)  under   development  or
marketed,  licensed,  sold or  otherwise  distributed  or  intended  for
distribution  by SIS during the last five years (all such products shall
be referred to hereinafter collectively as the "Products").

            (b)   Set  forth  on  Schedule  4.20(b)  hereto  is a  true,
correct and complete list of all Material  Intellectual Property of SIS.
There is no other Intellectual  Property that is necessary to SIS in the
development,  manufacture, license, sale, distribution, purchase and use
<PAGE>
of the  Products.  Such list  identifies  (A) SIS as either the owner or
licensee of each item of Intellectual  Property;  (B) in the cases where
SIS is a licensee,  the  licensor(s) and license  agreement(s)  for such
item of Intellectual Property;  (C) as applicable,  the Product to which
such item of Intellectual  Property relates; and (D) as applicable,  the
fee,  royalty or other amount payable to any other party with respect to
such item of  Intellectual  Property or Product.  Except as set forth on
Schedule  4.20(b),   each  license  granted  to  SIS  is  perpetual  and
irrevocable.   To  the  extent  SIS  claims  to  own  such  Products  or
Intellectual  Property, SIS owns all right, title and interest in and to
the Products and the Intellectual  Property  related  thereto,  free and
clear of any Lien of any kind or nature  whatsoever,  including  without
limitation any exclusive right,  however  described,  granted to parties
other  than SIS with  respect  to the  Products  and other  Intellectual
Property.  To the extent SIS claims to be licensed to use such  Products
or Intellectual  Property,  SIS has a valid and enforceable  license for
the purposes for which it uses such Products or Intellectual Property.

            (c)   SIS  has  not   (nor   has  any   Product   developed,
manufactured,  licensed,  sold or  distributed by SIS) infringed or made
any  unlawful  use or  received  notice of any claimed  infringement  or
unlawful  use  of,  any  trademark,   trade  name,  patent,   copyright,
maskwork,  trade secret or other  proprietary or  intellectual  property
right of any third party.

            (d)   SIS has taken all  necessary  measures  to protect its
rights in the Products and the Intellectual  Property, and maintains all
copyrights  and  other   intellectual   property  rights  necessary  for
marketing,  licensing, selling or otherwise distributing the Products in
the  jurisdictions  in which  they  have been  distributed.  SIS has not
sent or otherwise  communicated to any other person any notice,  charge,
claim or assertion of, or has any  knowledge of, any present,  impending
or threatened  infringement  by such other person of any right  relating
to the Intellectual Property of SIS.

            (e)   SIS has not  received  notice,  orally or in  writing,
that  any  other   Person   claims  any  interest  in  any  Products  or
Intellectual  Property  of SIS,  nor to the  best  knowledge  of the SIS
Stockholders,  does any such  claim  (or any  valid  basis  for any such
claim)  exist,   except  the  ownership  and  other  rights  claimed  by
licensors under valid and enforceable licenses.

            4.21  Product Warranty and Liability.

            (a)   Each Product has been developed,  manufactured,  sold,
licensed and/or delivered in conformity with all applicable  contractual
commitments and with all express or implied  warranties  extended by SIS
in  connection  with  such  Product.  SIS does  not  have  any  warranty
reserves maintained in the Financial Statements.

            (b)   SIS  has  incurred  no  liability  arising  out of any
injury to any Person or property  (and, to the best knowledge of the SIS
Stockholders,  there  is no  basis  for any  present  or  future  claim,
complaint, action, suit, proceeding,  hearing,  investigation,  claim or
demand  against SIS  arising out of any such  injury) as a result of the
use of the Products.
<PAGE>
            (c)   Except  as set  forth  on  Schedule 4.21  hereto,  all
Products  (i) are  designed (or have been  modified) to be used prior to
and after  January 1,  2000;  (ii) will  operate without  material error
arising  from  the  creation,  recognition,   acceptance,   calculation,
display,   storage,   retrieval,    accessing,    comparison,   sorting,
manipulation,   processing   or  other  use  of  dates  or   date-based,
date-dependent  or  date-related  data,  including  but not  limited  to
century  recognition,   day-of-the-week  recognition,  leap  year,  date
values and  interfaces or date  functionalities;  and  (iii) will not be
materially  adversely  affected  by the  advent  of the year  2000,  the
advent of the year 2001, the advent of the  twenty-first  century or the
transition  from the  twentieth  century  through the year 2000 and into
the  twenty-first  century.  Except as set forth on  Schedule 4.21,  all
design  architectures  and  functionalities  of all Products are, in all
material  respects,  compatible  with and,  when  operated  in, on or in
conjunction  with,  any other  system,  will not cause such  Products to
fail to satisfy the criteria set forth above.

      4.22  Pension Matters/Central Provident Fund Issue

            (a)   Apart  from  the  contributions  made  by  SIS  to the
Central  Provident  Fund  ("CPF")  in  respect  of its  employees  or as
disclosed in the Schedules,  SIS is not a party to, does not make and is
not  required to make  contributions  to any  pension,  profit  sharing,
retirement,  deferred compensation,  bonus,  severance,  medical or life
insurance or other employee (or  ex-employee)  welfare or benefit plans,
agreements  or  arrangements  maintained  for the  benefit of any of its
employees  or  will  be  so  required  upon  the   termination   of  the
employment, retirement, death or disability of its employees.

            (b)   SIS has complied with all its  obligations  imposed on
it  by  all  applicable  statutes  and  regulations  regarding  (i)  the
deduction  from its  employees'  salaries  or wages  in  respect  of CPF
deductions;  and (ii) the payment by SIS to the CPF of all sums due from
SIS in respect of CPF contributions.

      4.23  Accounting   Practices.   SIS'   corporate   operations  are
conducted in such a manner to provide  reasonable  assurances that funds
are spent in accordance with  management's  authorization,  transactions
and  are  recorded   properly  with  regard  to  accounting   principles
generally   accepted  in  Singapore,   assets  of  SIS  are   adequately
protected,  and there is a  periodic  review of SIS'  monthly  financial
statements  to ensure  they  fairly  present  the  financial  condition,
results of  operations  and cash flows of SIS and as such,  reflect  the
actual  position of SIS on a  consolidated  basis,  at the dates and for
the periods presented.

      4.24  Labor and Employment Matters.

            (a)   Schedule  4.24(a)  sets  forth  the  names,   date  of
commencement  of  employment  or  appointment  to  office  and terms and
conditions  of employment of all  directors,  executives,  employees and
consultants of SIS whom SIS  compensates in excess of S$30,000 per year.
<PAGE>
Except as set forth on  Schedule  4.24(a),  no benefits in kind or other
perquisites  are  payable  to or  are  provided  to any  such  director,
executive, employee or consultant.

            (b)   Schedule  4.24(b) sets forth the  principal  terms and
conditions  of,  including  the  termination  dates and  monthly  rental
amounts for, all leases  pertaining to automobiles  provided by SIS as a
benefit  in kind to any of its  directors,  executives,  consultants  or
employees.

            (c)   All management or other  agreements  pursuant to which
managerial  services  are provided to SIS to which SIS is a party may be
terminated  by SIS upon not more than two  months'  notice  and  without
payment of  compensation  or damages (other than payments  arising under
statutes  relating  to  employment  law or other  than any  payment  for
unfair  and/or  wrongful  dismissal).  No such  agreement  is subject to
requalification or  recharacterization  as an employment agreement as to
which SIS acted,  or should have acted,  as a withholding  agent for tax
purposes under Singapore law.

            (d)   Except  with  respect  to  the  month  in  which  this
Agreement  is  entered  into,  there  are  no  outstanding   arrears  of
salaries,  wages,  holiday  pay, CPF  contributions/deductions  or other
remuneration  owed,  as of the  date  hereof,  to or in  respect  of any
director, executive, consultant or employee of SIS.

            (e)   Except as set forth on  Schedule  4.24(e),  SIS is not
obligated  contractually  or otherwise  to make any bonus,  incentive or
other similar payments to any of its directors, executives,  consultants
or employees or to increase the rate of remuneration  of, or improve any
benefits in kind to, any such Person.

            (f)   Except as set forth on  Schedule  4.24 (f),  there are
no schemes,  agreements  or plans in  operation by or in relation to SIS
under which any of its directors,  executives,  consultants or employees
is  entitled  to  any  shares  of  SIS  Capital   Stock  (or  any  other
Convertible  Security  or other  equity  interest  in  SIS),  nor is SIS
obligated   contractually   or  otherwise  to  pay  any  such  Person  a
commission or  remuneration of any kind calculated by reference in whole
or in part to the turnover, profits or revenues of SIS.

            (g)   Except as set forth on  Schedule 4.24(g),  within  one
year preceding the date hereof, SIS has not terminated any Person.

            (h)   SIS does  not have a  collective  labor  agreement  or
other  agreement or  arrangement  (binding or otherwise)  with any trade
union,  works council or other body  representing its employees,  nor is
there any  dispute  pending or  threatened  with any such body.  SIS has
not experienced any material slowdown, work interruption,  work stoppage
or strike by any of their  employees,  nor (to the  knowledge of SIS and
the  SIS  Stockholders)  is any  such  action  presently  threatened  or
contemplated.
<PAGE>
            (i)   No past or present  director,  executive,  employee or
consultant has any claim against SIS for loss of office,  arising out of
the termination of his office or employment  (including any severance or
redundancy  payment)  and there is no event  that  would  reasonably  be
expected  to give  rise to any  such  claim.  SIS has not  incurred  any
liability  for breach of any  contract of service or for  services,  for
redundancy  payments,  protective  awards or for  wrongful  dismissal or
unfair  dismissal  or for  failure  to  comply  with any  order  for the
reinstatement  or  re-engagement  of  any  employee  or  for  any  other
liability  accruing from the  termination  of any contract of employment
or for services.

            (j)   Save  as  provided   for  in  Schedule   4.24(j),   no
gratuitous  payment has been made or promised by SIS in connection  with
the  actual  or  proposed   termination,   suspension  or  variation  of
employment or engagement of any present or former  director,  executive,
consultant or employee.

            (k)   SIS  is  not  involved  in  any  industrial  or  other
dispute  with  any  of  its   directors,   executives,   consultants  or
employees.

            (l)   Except as set forth on Schedule  4.24(l),  SIS has not
made any loans to or entered into any Material credit  transaction  with
any  of its  directors,  executives,  employees  or  consultants  or any
Affiliate of any such director, executive, employee or consultant.

      4.25  Intentionally Omitted.

      4.26  Fees and  Expenses.  SIS has not paid nor is it obligated to
pay  any  fee  or  commission   to  any  broker,   finder  or  financial
intermediary  in connection with the  transactions  contemplated by this
Agreement.  Following  the Closing  Date,  none of SIS,  Datastream  nor
AqSub  will be  obligated  to pay any  fee,  commission  or  expense  in
connection with the transactions contemplated by this Agreement.

      4.27  Certain Payments.  Neither SIS nor any director,  executive,
employee,   consultant   or   Affiliate  of  SIS,   including,   without
limitation, any SIS Stockholder,  has, directly or indirectly,  given or
agreed to give or  solicited  or  received  any gift,  rebate or similar
benefit  to any  customer,  supplier,  governmental  employee  or  other
Person  which  (i) might  subject  SIS to any  damage or  penalty in any
civil,  criminal or governmental  litigation or proceeding,  (ii) if not
given in the  past  might  have had an  adverse  effect  on the  assets,
business or operation  of SIS, or (iii) if  not  continued in the future
might adversely affect SIS' assets, business, operations or prospects.

      4.28  Accounts  Payable - SIS's list of the accounts payable up to
31 may 1998 provided or to be provided by the SIS  Stockholders  (before
16 June  1998)  to  Datastream  and  AqSub  are fair  and  correct,  and
provides a true and accurate status of SIS's accounts  payable.  In this
respect,  the SIS Stockholder  shall  indemnify AqSub and/or  Datastream
for any  liabilities  which should have been  disclosed in the said list
of accounts payable but were not so disclosed.
<PAGE>
         ARTICLE V REPRESENTATIONS AND WARRANTIES OF DATASTREAM

                     REPRESENTATIONS AND WARRANTIES
                             OF DATASTREAM

      Each of  Datastream  and  AqSub,  jointly  and  severally,  hereby
represents  and  warrants  to the  SIS  Stockholders  as  follows  (such
representations  and warranties to be true and correct as of the Closing
Date or as of any  other  specific  date set  forth  below as of which a
particular statement is made):

      5.1   Organization;   Good  Standing;   Qualification  and  Power.
Datastream  is a corporation  duly  organized,  validly  existing and in
good  standing  under  the  laws of the  State of  Delaware  and has all
requisite  corporate  power and authority to own,  lease and operate its
properties  and to carry on its business as now being  conducted.  AqSub
is a corporation  duly organized,  validly existing and in good standing
under  the  laws of The  Republic  of  Singapore  and has all  requisite
corporate  power and authority to own,  lease and operate its properties
and to carry on its  business  as now being  conducted.  Datastream  and
AqSub are duly  registered  and  qualified  to do  business as a foreign
corporation  under the corporation law of each  jurisdiction  where such
registration and qualification is required,  except where the failure to
so  register  or  qualify  would not have a Material  Adverse  Effect on
Datastream,   and  no  proceeding  has  been   instituted  in  any  such
jurisdiction  revoking,  limiting or  curtailing,  or seeking to revoke,
limit or curtail, such power and authority or qualification.

      5.2   Authority.  Each of  Datastream  and AqSub has all requisite
corporate  power and  authority  to enter into this  Agreement  and each
other  Transaction  Document  to  which it is a party,  to  perform  its
obligations  hereunder and thereunder and to consummate the transactions
contemplated hereby and thereby,  and the execution and delivery of this
Agreement and each other Transaction  Document to which it is a party by
Datastream  and AqSub and the  consummation  by Datastream  and AqSub of
the  transactions   contemplated  hereby  and  thereby  have  been  duly
authorized by all necessary  corporate  action on the part of Datastream
and AqSub,  respectively.  This  Agreement  and each  other  Transaction
Document  to  which  Datastream  and  AqSub  is a party  has  been  duly
executed  and  delivered  by  Datastream  and AqSub  and,  assuming  due
execution  and  delivery of this  Agreement  and each other  Transaction
Document by the other  parties  hereto and thereto,  this  Agreement and
each  other  Transaction  Document  to which  Datastream  and AqSub is a
party  constitutes  the valid and binding  agreement of  Datastream  and
AqSub,  respectively  enforceable in accordance with its terms except as
enforceability may be limited by equitable  principles or by bankruptcy,
insolvency,  reorganization,  moratorium,  or similar  laws from time to
time  in  effect   affecting  the   enforcement  of  creditors'   rights
generally.

      5.3   Noncontravention.  The execution,  delivery and  performance
by Datastream  and AqSub of this  Agreement  and each other  Transaction
Document to which  Datastream and AqSub is a party,  the consummation of
the  transactions  contemplated  hereby and thereby,  and  compliance by
Datastream and AqSub with the provisions hereof and thereof, will not:
<PAGE>
            (a)   conflict  with,  result in a violation of, result in a
breach of, or cause a default  under (with or without  notice,  or lapse
of time, or both),  or give rise to a right of  termination,  amendment,
cancellation  or  acceleration  of any  obligation  contained in, or the
loss of any Material  benefit under,  or require the consent or approval
of any party to, or result in the creation of any Lien upon,  any of the
Material  properties  or assets of  Datastream  or AqSub under any term,
condition  or  provision of any loan or credit  agreement,  note,  bond,
mortgage,  indenture,  lease or  other  agreement,  instrument,  permit,
concession,  franchise,  license, judgment, order, decree, statute, law,
ordinance,  rule or  regulation  applicable  to  Datastream  or AqSub or
their  respective  properties or assets,  other than any such conflicts,
violations,  defaults,  losses,  liens,  security interests,  charges or
encumbrances  which  individually  or in the aggregate  would not have a
Material Adverse Effect on Datastream;

            (b)   violate   any   provision   of  the   Certificate   of
Incorporation  or Bylaws of Datastream or the Memorandum and Articles of
Association; or

            (c)   require the consent,  approval, order or authorization
of, or  registration,  declaration  or  filing  with,  any  Governmental
Authority to be obtained by Datastream  or AqSub in connection  with the
execution  and  delivery  of this  Agreement  or any  other  Transaction
Document or the  consummation of the  transactions  contemplated  hereby
and  thereby,  except for the filing  with the SEC of such  reports  and
information  under  the  Exchange  Act and  the  rules  and  regulations
promulgated by the SEC thereunder as may be required in connection  with
this Agreement and the transactions contemplated hereby.

      5.4   SEC  Documents.  Each of the SEC  Documents  filed  to date,
when it was filed with the SEC,  conformed in all  material  respects to
the  requirements  of the Exchange Act and the rules and  regulations of
the Commission  thereunder,  and, as of their filing date,  none of such
documents  contained an untrue  statement of a material  fact or omitted
to state a material fact  required to be stated  therein or necessary to
make the statements therein not misleading.

      5.5   Capitalization.    Datastream's   authorized,   issued   and
outstanding  capital stock is, as of the respective  dates  thereof,  as
set forth in the SEC  Documents.  All of the  issued  shares of  capital
stock of Datastream have been duly  authorized and validly  issued,  are
fully  paid and  nonassessable  and are not  entitled  or subject to any
pre-emptive, preferential or similar rights.

      5.6   No  Calamities.  Since the date of the most  recent  balance
sheet  included  in  the  financial   statements  included  in  the  SEC
Documents,  neither Datastream nor any of its Subsidiaries has sustained
any  material  loss  or  interference   with  its  business  from  fire,
explosion,   flood  or  other  calamity,   whether  or  not  covered  by
insurance,  or from any  labor  dispute  or court  governmental  action,
order or decree.
<PAGE>
      5.7   No  Changes.  Since the  respective  date of the most recent
balance sheet included in the financial  statements  included in the SEC
Documents,  (i)  neither  Datastream  nor  any of its  Subsidiaries  has
incurred  any  liabilities  or  obligations,  direct or  contingent,  or
entered into any  transactions,  not in the ordinary course of business,
that are material to Datastream and its  Subsidiaries  taken as a whole,
(ii) Datastream has not purchased any of its  outstanding  capital stock
or declared,  paid or otherwise made any dividend or distribution of any
kind on its capital stock,  (iii) there has not been any Material change
in the capital  stock,  long-term  debt or  short-term  debt (other than
changes  effected in the  ordinary  course of business  consistent  with
past  practice)  of  Datastream  or any of its  Subsidiaries,  and  (iv)
Datastream has not suffered any Material Adverse Effect.

      5.8   Stock Issuance.  The shares of Datastream Common Stock to be
issued  as Stock  Consideration  have  been  duly  authorized,  and when
issued and delivered  for the transfer and delivery of the  certificates
representing  shares of SIS Capital  Stock as provided  herein,  will be
validly  issued  and  fully  paid and  nonassessable;  the  certificates
evidencing  the shares of Datastream  Common Stock to be issued as Stock
Consideration  will comply with all applicable  requirements of the DGCL
and the  delivery  of such  certificates  will pass valid  title to such
shares,   free  and  clear  of  any  Lien.  Assuming  the  accuracy  and
completeness of the  representations  of the SIS  Stockholders set forth
in Section  4.4 hereof,  the offer and sale of the shares of  Datastream
Common  Stock to be  issued  as Stock  Consideration  will be  issued in
compliance with Regulation S.

            Registration  Rights.  Datastream  shall  provide to the SIS
Stockholders  incidental (or  "piggyback")  registration  rights to have
all of the shares comprising the Stock  Consideration  (exclusive of the
Escrow  Shares)  included  in  any  public  registration  of  shares  of
Datastream  Common  Stock with the SEC  effected  on or before the first
anniversary  of  the  Closing  Date,  subject  to  compliance  with  the
applicable SEC  requirements,  the ability of Datastream to include such
shares on the form proposed for such  registration  and the agreement of
the  SIS  Stockholders  to be  bound  by  the  terms  of  any  customary
underwriting  agreement  relating to such  registration.  The  customary
expenses of such  registration  (other than  underwriting  discounts and
selling commissions,  which shall be paid by the SIS Stockholders) shall
be paid by Datastream.

      5.9   Financial Statements.  The consolidated financial statements
(including  the  related  notes)  of  Datastream  and  its  consolidated
Subsidiaries  included in the SEC Documents  were prepared in accordance
with generally accepted  accounting United States accounting  principles
consistently  applied throughout the periods involved and fairly present
the  financial  condition,  results  of  operations  and  cash  flows of
Datastream and its Subsidiaries,  on a consolidated  basis, at the dates
and for the periods presented.

      5.10  Internal  Controls.  Datastream and each of its Subsidiaries
maintains   internal   accounting   controls  which  provide  reasonable
assurance  that  (i)   transactions  are  executed  in  accordance  with
management's authorization,  (ii) transactions are recorded as necessary
to permit preparation of Datastream's  consolidated financial statements
in  accordance  with  generally   accepted   United  States   accounting
<PAGE>
principles and to maintain  accountability for the assets of Datastream,
(iii) access to the assets of  Datastream  and each of its  Subsidiaries
is permitted only in accordance  with  management's  authorization,  and
(iv) the recorded  accountability  for assets of Datastream  and each of
its   Subsidiaries  is  compared  with  existing  assets  at  reasonable
intervals  and   appropriate   action  is  taken  with  respect  to  any
differences.

      5.11  Indemnity to Guarantors.  Datastream and AqSub,  jointly and
severally,  agree  to  indemnify  and keep  indemnified  each of the SIS
Stockholders  in respect of any losses,  interests,  Liabilities,  costs
(including  legal costs on a full indemnity basis) which they may suffer
or incur  arising out of the  guarantees  entered  into by them in their
capacity  as  shareholders  or  directors  of SIS and  relating  to hire
purchase arrangements,  factoring and banking facilities which have been
entered into by SIS and provided  that such  guarantees,  hire  purchase
arrangements,  factoring and banking  facilities  have been disclosed in
the Schedules to this Agreement.

      In respect  of the  guarantees  (as  disclosed  in the  Schedules)
entered  into by Lim Bian San,  Choy Feng Alice and Ng Kee Chan for hire
purchase  agreements,  leases and banking  facilities for the benefit of
SIS,  Datastream  and AqSub  shall  procure  for such  guarantors  to be
released and discharged within 3 months from Closing.

            In respect of the time  deposit of  S$660,000  (Account  No.
143-017119-501)  belonging  to Lim Bian San and placed with The Hongkong
and Shanghai Banking Corporation Limited,  Singapore as a collateral for
banking  facilities (as disclosed in the relevant  Schedule) extended to
SIS,  Datastream and AqSub shall procure for the said time deposit to be
released and discharged within 1 week from Closing.



             ARTICLE VI ADDITIONAL COVENANTS AND AGREEMENTS

                  ADDITIONAL COVENANTS AND AGREEMENTS

      6.1   Expenses.  Whether or not the  Transaction  is  consummated,
all costs and expenses  incurred in connection  with this  Agreement and
the  other  Transaction  Documents  and  the  transactions  contemplated
hereby and thereby shall be paid by the party  incurring  such expenses.
In particular,  the SIS'  Stockholders  shall be responsible for the SIS
Expenses and the SIS Stockholders  hereby jointly and severally agree to
hold SIS, Datastream and AqSub harmless therefrom.

      6.2   Agreement to Cooperate.  Subject to the terms and conditions
herein  provided,  each of the parties hereto shall use all best efforts
to take,  or cause to be taken,  all  action to do, or cause to be done,
all  things  necessary,  proper or  advisable  under  applicable  Law to
consummate  and make  effective the  transactions  contemplated  by this
Agreement  and the other  Transaction  Documents  including  using  best
efforts  to  obtain  all  necessary  or  appropriate   governmental  and
third-party waivers, consents and approvals.
<PAGE>
      6.3   Public  Statements.  The  parties  shall  consult  with each
other  prior to  issuing  any  public  announcement  or  statement  with
respect to this Agreement or the  transactions  contemplated  hereby and
shall not issue any such public  announcement or statement prior to such
consultation,   except  as  may  be  required  by   applicable   Law  or
Datastream's listing agreement with the Nasdaq/NMS.

      6.4   Release.  Each of the SIS  Stockholders  does hereby release
and forever  discharge  SIS, its officers and  directors and each of the
other  SIS  Stockholders  from  any and all  claims,  demands,  actions,
causes of actions,  losses and expenses  (including  attorneys' fees and
expenses) of any kind  whatsoever,  whether arising out of a contract or
otherwise,  in law or in equity,  that such SIS Stockholder has had, now
has or may  hereafter  have against SIS, and any  successor to SIS or to
their  respective  businesses,  any of the officers and directors of SIS
(in his capacity as such) or any other SIS  Stockholder (in his capacity
as such).

      6.5   Amounts Payable By SIS  Stockholders.  Promptly upon request
from Datastream,  and in any event within 20 business days following the
Closing Date, each SIS Stockholder  who shall owe any  indebtedness  (as
stated  in  Schedule  6.5)  to SIS (or any  Affiliate  of SIS) or  whose
Affiliate  shall owe any  indebtedness  to SIS (or any Affiliate of SIS)
shall repay any such amounts to SIS in full.

      6.6   Closing Matters.   ted]

      6.7   Resale  Restrictions.  Each SIS  Stockholder  agrees  not to
resell or cause the resale of the  Datastream  Common Stock  received by
such SIS Stockholder as Stock  Consideration  in the United States or to
a U.S.  Person (as such term is defined in Regulation S) for a period of
one (1) year after the Closing.

      6.8   Removal  of  Regulation  S Legend.  Upon the  expiration  of
the one (1)  year  "restricted  period"  (as  such  term is  defined  in
Regulation  S) and upon the request of any SIS  Stockholder,  Datastream
shall cause the Regulation S Legend to be removed from the  certificates
representing  the  shares  of  Datastream  Common  Stock to be issued as
Stock Consideration, or issue replacement certificates.
      6.9   Intentionally Omitted.

      6.10  KPMG  Audit.  The SIS  Stockholders  agree,  understand  and
acknowledge  that AqSub and/or  Datastream  will be arranging  for KPMG,
Singapore to conduct a  post-completion  financial  and tax audit of SIS
after the Closing for the period  beginning 1 March 1997 to 31 May 1998.
Datastream,  AqSub  and the SIS  Stockholders  agree  to be bound by the
results and findings of the KPMG audit.
<PAGE>
       ARTICLE VII SURVIVAL OF REPRESENTATIONS AND WARRANTIES AND
                            INDEMNIFICATION

                    SURVIVAL OF REPRESENTATIONS AND

                     WARRANTIES AND INDEMNIFICATION

      7.1   Survival of Representations and Warranties.

            (a)   All    representations,     warranties,    agreements,
covenants  and  obligations  made  or  undertaken  by  any  of  the  SIS
Stockholders  in this  Agreement are Material,  have been relied upon by
Datastream and AqSub and shall survive the Closing hereunder,  and shall
not merge in the performance of any obligation by any party hereto.  The
SIS  Stockholders  acknowledge  and  agree  that  prior to the  Closing,
Datastream  and AqSub  intend to perform  such  investigation  of SIS as
they each deem necessary or appropriate;  however,  no  investigation by
Datastream or AqSub,  either before or after the Closing,  will diminish
or  obviate  any  of  the  representations,   warranties,  covenants  or
agreements made or to be performed by the SIS  Stockholders  pursuant to
this  Agreement,  and all other  agreements  referred to herein,  or the
right  of  Datastream  or  AqSub  to  rely  upon  such  representations,
warranties, covenants and agreements.

                  In  addition  to the  rights of  Datastream  and AqSub
under the  general  law in respect of any breach of  representations  or
warranties by the SIS Stockholders  and not withstanding  whether all or
any of the  transactions  contemplated  under this Agreement  shall have
been  completed,  each  of  the  SIS  Stockholders  hereby  jointly  and
severally  covenant to fully and  unconditionally  indemnify  Datastream
and/or AqSub  against any loss or liability  suffered by  Datastream  or
AqSub  as a  result  of  or  in  connection  with  any  breach  of  such
representations  or  warranties  by  the  SIS  Stockholders  under  this
Agreement  and in  respect  of any  depletion  in the  assets,  loss  of
allowance,  set-off or deduction,  diminution of value of SIS occasioned
or suffered in  connection  with or in the  rectifying  of any breach of
the  said  representations  and  warranties  together  with  all  costs,
charges,  interest,   penalties  and  expenses  incidental  or  relating
thereto.

            (b)   All    representations,     warranties,    agreements,
covenants and obligations  made or undertaken by Datastream and AqSub in
this  Agreement  are  Material,   have  been  relied  upon  by  the  SIS
Stockholders,  and shall  survive the Closing  hereunder,  and shall not
merge  in  the  performance  of any  obligation  by  any  party  hereto.
Datastream  and AqSub  acknowledge  and agree that prior to the Closing,
the SIS Stockholders  intend to perform such investigation of Datastream
and  AqSub as they each  deem  necessary  or  appropriate;  however,  no
investigation  by the SIS  Stockholders,  either  before  or  after  the
Closing,   will   diminish  or  obviate  any  of  the   representations,
warranties,   covenants  or  agreements  made  or  to  be  performed  by
Datastream  or  AqSub  pursuant  to  this   Agreement,   and  all  other
agreements  referred to herein, or the SIS  Stockholders'  right to rely
upon such representations, warranties, covenants and agreements.
<PAGE>
      7.2   Obligation of SIS  Stockholders  to  Indemnify.  Each of the
SIS  Stockholders,  jointly and  severally,  agree to indemnify and hold
Datastream and AqSub  harmless from and against any and all  Liabilities
asserted against,  imposed upon or incurred by SIS,  Datastream or AqSub
by  reason  of or  resulting  from a  breach  of any  representation  or
warranty or any covenant or agreement of any SIS  Stockholder  contained
in or made  pursuant to this  Agreement  or the  Exhibits  or  Schedules
hereto,  or  from  any   misrepresentation   in  or  omission  from  any
certificate  or other  instrument  furnished  or to be  furnished by SIS
Stockholders hereunder or thereunder.

      7.3   Obligations  of Datastream  and AqSub to Indemnify.  Each of
Datastream and AqSub jointly and severally  agrees to indemnify and hold
the SIS  Stockholders  harmless from and against any and all Liabilities
asserted  against,  imposed upon or incurred by the SIS  Stockholders by
reason of or resulting from a breach of any  representation  or warranty
or any  covenant or  agreement of  Datastream  or AqSub  contained in or
made pursuant to this Agreement or the Exhibits or Schedules  hereto, or
from any  misrepresentation in or omission from any certificate or other
instrument   furnished  or  to  be  furnished  by  Datastream  or  AqSub
hereunder or thereunder.

      7.4   Conditions of  Indemnification  with Respect to Third Party
Claims7.4   Conditions of  Indemnification  with Respect to Third Party
Claims.   Each  party   entitled  to   indemnification   hereunder  (the
"Indemnified Party"),  shall give notice promptly after it becomes aware
of any  Claim to each  other  party  ("Indemnifying  Party")  from  whom
indemnity shall be sought hereunder.  Each  Indemnifying  Party shall be
entitled  at its own  expense  to  participate  in the  defense  of such
Claim,  or, if it shall so elect,  to assume  (in  conjunction  with any
other  Indemnifying  Party) the defense of such Claim, in which case the
defense  shall be  conducted  by counsel  reasonably  acceptable  to the
Indemnified  Party, and such  Indemnified  Party shall bear the fees and
expenses  of  any  additional   counsel  retained  by  it;  but  if  the
Indemnifying  Party shall elect not to assume the defense of such Claim,
the Indemnifying  Party shall reimburse each  Indemnified  Party for the
reasonable   fees  and   expenses  of  any   counsel   retained  by  it.
Notwithstanding  the foregoing,  should any Indemnified Party reasonably
conclude  that there may be defenses  available to it that are different
from or additional to those  available to the  Indemnifying  Party,  the
Indemnifying  Party  shall have the right to direct the  defense of such
action on behalf of the  Indemnified  Party but only after  consultation
with the Indemnified  Party. The Indemnifying  Party shall also have the
right to settle or compromise  any such Claim but only if it shall first
obtain the  written  consent of the  Indemnified  Party,  which  consent
shall not be unreasonably  withheld.  The terms "Indemnified  Party" and
"Indemnifying   Party,"   as   used   herein   shall,   in   appropriate
circumstances,  be deemed to mean Datastream and AqSub, on the one hand,
and the SIS  Stockholders  (collectively  and as  represented by the SIS
Stockholders' Representative), on the other hand.
<PAGE>
      7.5   Datastream  and AqSub  agree  that  they  shall not make any
claims  against the SIS  Stockholders  in respect of any breaches of any
representations  or  warranties or any consents or agreements of any SIS
Stockholder  contained  in or made  pursuant  to this  Agreement  or the
Exhibits  or  Schedules  hereto,  or from  any  misrepresentation  in or
omission from any  certificate  or other  instrument  furnished or to be
furnished by the SIS  Stockholders  hereunder or  thereunder  unless the
aggregate of such claims is in excess of  US$250,000  (for the avoidance
of doubt, the parties  understand that any claim in excess of US$250,000
shall  include the first  US$250,000  portion)  provided that this floor
of  US$250,000  shall  not  apply in cases of gross  negligence,  wilful
defaul7.5r fLimitations on Liabilityof the SIS Stockholders.

      7.6   Reduction  for  Certain  Benefits.  Any  insurance  or other
recovery,  payment or credit received by the Indemnified  Party from any
third party which was not taken into account in computing  the amount of
any Liability shall promptly be paid over to the  Indemnifying  Party up
to the amount of the  indemnification  payment to the Indemnified  Party
with  respect  thereto,  such  that the  total  amount  received  by the
Indemnified  Party from the Indemnifying  Party and the third parties in
connection  with such  Liability  shall not  exceed  the  amount of such
Liability.

      7.7   No   Release   for   Fraud,    Ownership    Representations.
Notwithstanding  anything  contained  herein  to the  contrary,  nothing
contained in this  Agreement  shall relieve any SIS  Stockholder  of any
liability or limit any liability  that he, she or it may have on account
of any breach of any  representation  or warranty  contained  in Section
4.5 above,  nor shall anything  contained in this Agreement  relieve any
SIS  Stockholder  or any other party to this  Agreement of any liability
or limit any liability  that he, she or it may have in the case of fraud
or willful  concealment  or  intentional  breach in connection  with the
transactions  contemplated  by this Agreement or in connection  with the
delivery of any  certificate  required to be  delivered  under the terms
hereof or of any other Transaction Document.

      7.8   Subrogation  Rights. In the event that an Indemnifying Party
shall be obligated to indemnify an  Indemnified  Party  pursuant to this
Article VII,   the  Indemnifying  Party  shall,  upon  payment  of  such
indemnity in full, be subrogated to all rights of the Indemnified  Party
with  respect to the  Liability to which such  indemnification  relates;
provided,  however, that the Indemnifying Party shall only be subrogated
to the extent of any amount paid by it pursuant to this  Article VII  in
connection with such Liability.

      7.9   Establishment of Escrow; Indemnification Not Limited.

            (a)   At the Closing,  AqSub shall deliver the Escrow Shares
to the  Escrow  Agent,  which  Escrow  Shares  shall  be held in  escrow
pursuant to the terms of this Agreement and the Escrow Agreement.

            (b)   The  parties to this  Agreement  understand  and agree
that the establishment of the escrow referred to in paragraph (a)  above
is not  the  exclusive  source  for  indemnification  pursuant  to  this
<PAGE>
Agreement  and that such  escrow in no way  limits  the amount of Claims
that may be made pursuant to this Agreement.

      7.10  Interest.   If  any  payment  required  to  be  made  by  an
Indemnifying  Party  hereunder  is not made by the due date for  payment
thereof,  then that payment shall carry interest  (calculated on a daily
basis) from the due date of payment until actual  payment (as well after
judgment as before) at a rate of 8% per annum.

               ARTICLE VIII STOCKHOLDERS' REPRESENTATIVE

                      STOCKHOLDERS' REPRESENTATIVE

      8.1   Appointment;  Acceptance.  By executing this Agreement, each
of the SIS Stockholders  hereby irrevocably  constitutes and appoints Ms
Choy Feng Alice and her successors,  acting as hereinafter  provided, as
his  non-exclusive  attorney-in-fact  and agent in his  name,  place and
stead in connection with the  transactions  and agreements  contemplated
by  this  Agreement  (the  "SIS  Stockholders'   Representative"),   and
acknowledges  that such  appointment  is coupled  with an  interest.  By
executing and delivering  this Agreement in such capacity,  Ms Choy Feng
Alice   hereby   (i)   accepts   her   non-exclusive   appointment   and
authorization  to act  as the  SIS  Stockholders'  Representative,  as a
non-exclusive   attorney-in-fact   and   agent  on  behalf  of  the  SIS
Stockholders  in  accordance  with  the  terms  of this  Agreement,  and
(ii) agrees  to perform her  obligations  under,  and  otherwise  comply
with, this Article VIII.

      8.2   Authority.

            (a)   Each  of  the  SIS  Stockholders  authorizes  the  SIS
Stockholders' Representative, on a non-exclusive basis,:

                  (i)   to dispute or to refrain from disputing any
claim made by Datastream or AqSub under this Agreement and the other
agreements, instruments and documents to be delivered by or on behalf
of the SIS Stockholders pursuant to this Agreement;

                  (ii)  to negotiate and compromise any dispute which
may arise under, and to exercise or refrain from exercising remedies
available under this Agreement and the other agreements, instruments
and documents to be delivered by or on behalf of the SIS Stockholders
pursuant to this Agreement and to sign any releases or other documents
with respect to such dispute or remedy;

                  (iii) to give such instructions and to do such other
things and refrain from doing such other things as the SIS
Stockholders' Representative shall deem necessary or appropriate to
carry out the provisions of this Agreement and the other agreements,
instruments and documents to be delivered by or on behalf of the SIS
Stockholders pursuant to this Agreement; and
<PAGE>
                  (iv)  to enter into amendments of this Agreement and
execute instruments in writing to reflect such amendments pursuant to
Section 8.1 hereof.

            (b)   Each of the SIS Stockholders  agrees to be irrevocably
bound  by all  agreements  and  determinations  made  by  and  documents
executed and  delivered by the SIS  Stockholders'  Representative  under
this Agreement and the other  agreements,  instruments  and documents to
be  delivered by or on behalf of the SIS  Stockholders  pursuant to this
Agreement.

      8.3   Actions.  Each  of the  SIS  Stockholders  hereby  expressly
acknowledges  and agrees that the SIS  Stockholders'  Representative  is
authorized  to  act  on  his  behalf.  Notwithstanding  any  dispute  or
disagreement  among  the SIS  Stockholders,  Datastream,  AqSub  and any
other  Person or entity  shall be entitled to rely on any and all action
taken by the SIS Stockholders'  Representative  under this Agreement and
the other  agreements,  instruments  and documents to be delivered by or
on behalf of the SIS  Stockholders  pursuant to this  Agreement  without
any  liability  to,  or  obligation  to  inquire  of,  any  of  the  SIS
Stockholders.  Datastream,  AqSub  and any other  Person  or entity  are
hereby expressly  authorized to rely on the genuineness of the signature
of  the  SIS  Stockholders'  Representative  and,  upon  receipt  of any
writing  which  reasonably  appears  to  have  been  signed  by the  SIS
Stockholders' Representative,  Datastream, AqSub and any other Person or
entity may act upon the same  without any further  duty of inquiry as to
the genuineness of the writing.

      8.4   Successors.  If Ms Choy Feng Alice ceases to function in her
capacity  as  the  SIS  Stockholders'   Representative  for  any  reason
whatsoever,  then a  majority  of the SIS  Stockholders  may  appoint  a
successor;  provided,  however,  that if for any reason no successor has
been appointed  pursuant to the foregoing  within thirty (30) days, then
Datastream  shall have the right but not the  obligation  to  petition a
court of competent jurisdiction for appointment of a successor.

      8.5   Effectiveness.  The  authorizations of the SIS Stockholders'
Representative  shall be  effective  until her  rights  and  obligations
under this Agreement  terminate by virtue of the  termination of any and
all  obligations  of the SIS  Stockholders  to Datastream or AqSub under
this  Agreement.  The SIS  Stockholders  may not, after the date hereof,
terminate the authority of the SIS  Stockholders'  Representative to act
on  their  behalf  hereunder.  Any such  action  shall be void and of no
force or effect.

       8.6      Indemnification. The SIS Stockholders' hereby jointly and
severally agree to indemnify and hold the SIS Stockholders' Representative
harmless for any and all Liability incurred or suffered as a result of the
performance of her duties under this Agreement or failure to perform any
such duty, except any Liability suffered or incurred as a result of the
SIS Stockholders' Representative's gross negligence or willful misconduct.
<PAGE>

                               ARTICLE IX
                            NON-COMPETITION

       9.1       Since the SIS Stockholders have obtained and are in
possession of confidential information in respect of SIS and its
business activities, particularly relating to the Products, the SIS
Stockholders hereby agree with Datastream and AqSub that the SIS
Stockholders shall be bound by the following restrictions (each of
which shall apply whether the relevant activities are carried on with
(or whether any of the SIS Stockholder is interested or concerned
either solely or jointly with or as manager, adviser, consultant or
agent for) any other person, firm or corporation or directly or
indirectly including as a shareholder, employee or director of a
company:-

          (a)    if SIS or any of its Subsidiary shall have obtained
          any confidential information from any third party under an
          agreement including restrictions on disclosure known to any
          of  the SIS Stockholders the SIS Stockholders shall not,
          without SIS's prior consent, at any time infringe such
          restrictions;

          (b)    during a two year period form the date hereof (the
          "Restriction Period"), none of the SIS Stockholders will be
          engaged in any business which is similar, related or in any
          in competition with the business and/or Products of SIS
          within any country in the Far East and/or the Middle East
          (the "Prohibited Area").

          (d)    during the Restriction Period within the Prohibited
          Area, the Vendor will not solicit (in competition with SIS or
          any of its Subsidiary) the custom of any person, firm or
          company who at any time during the last 5 years before
          Closing  was a customer of SIS or its Subsidiary or who at
          Closing was negotiating with SIS or its Subsidiary;

          (e)    the SIS Stockholders shall not solicit or entice or
          endeavour to solicit or entice any director, manager or
          servant of SIS or its Subsidiary whether or not such person
          would commit any breach of his contract of employment by
          reason of leaving the service of such company;

          (f)    the SIS Stockholders will not employ any person who
          has (during the last 2   years before Closing  been a
          director, manager or servant of or consultant to SIS or its
          Subsidiary and who by reason thereof is or may be likely to
          be in possession of any confidential information relating to
          SIS or its Subsidiary;

        9.2      While the restrictions aforesaid are considered by the
parties to be reasonable in all the circumstances, it is agreed that if
such restrictions taken together shall be adjudged to go beyond what is
reasonable in all the circumstances for the protection of the
confidential information but would be adjudged reasonable if part or
parts of the wording thereof were deleted the said restriction shall
apply with such words deleted.
<PAGE>
     9.3        Each of the SIS Stockholder agrees that, having regard to the
facts and matters aforesaid, the restrictive covenants herein contained
are reasonable and necessary for the protection of any confidential
information relating to SIS or its Subsidiary and the each of the SIS
Stockholder hereby agrees that, having regard to those circumstances,
those covenants do not work harshly on them respectively.


                     ARTICLE IX GENERAL PROVISIONS

                           GENERAL PROVISIONS

      10.1  Amendment.  This  Agreement may not be amended  except by an
instrument in writing signed on behalf of each of the parties hereto.

      10.2  Extension;  Waiver.  At any time prior to the Closing  Date,
the  parties  (through  a  duly  authorized  officer  in the  case  of a
corporate party) may:

            (a)   extend  the  time  for the  performance  of any of the
obligations or other acts of the other parties;

            (b)   waive  any  inaccuracies  in the  representations  and
warranties  contained in this  Agreement  or in any  document  delivered
pursuant to this Agreement; and

            (c)   waive   compliance  with  any  of  the  agreements  or
conditions contained in this Agreement.

Any  agreement  on the part of a party to any such  extension  or waiver
shall be valid only if set forth in an instrument  in writing  signed on
behalf of each of the parties.

      10.3 Entire  Agreement.  This Agreement  (including the Schedules
and Exhibits hereto) and the other documents  referenced  herein contain
the entire  agreement  between the parties  with  respect to the subject
matter hereof and supersede all prior  arrangements and  understandings,
both written and oral, with respect thereto.

      10.4  Severability.  It is the desire  and  intent of the  parties
that the  provisions of this Agreement be enforced to the fullest extent
permissible   under  the  law  and  public  policies   applied  in  each
jurisdiction in which enforcement is sought.  Accordingly,  in the event
that any provision of this Agreement  would be held in any  jurisdiction
to be  invalid,  prohibited,  or  unenforceable  for  any  reason,  such
provision,  as to  such  jurisdiction,  shall  be  ineffective,  without
invalidating  the remaining  provisions  of this  Agreement or affecting
the  validity  or   enforceability   of  such  provision  in  any  other
jurisdiction.  Notwithstanding the foregoing, if such provision could be
more   narrowly   drawn  so  as  not  to  be  invalid,   prohibited   or
unenforceable in such  jurisdiction,  it shall, as to such jurisdiction,
be so narrowly drawn,  without  invalidating the remaining provisions of
this  Agreement or  affecting  the  validity or  enforceability  of such
provision in any other jurisdiction.
<PAGE>
      10.5  Notices.  All notices and other  communications  pursuant to
this Agreement  shall be in writing and shall be deemed to be sufficient
if  contained  in a written  instrument  and  shall be  deemed  given if
delivered  personally,  telecopied,  sent by  internationally-recognized
overnight  courier or mailed by  registered  or  certified  mail (return
receipt  requested),  postage  prepaid,  to the parties at the following
addresses  (or at such other  address for a party as shall be  specified
by like notice):

(a)                     If to Datastream or AqSub, to:

                        Datastream Systems, Inc.
                        50 Datastream Plaza
                        Greenville, South Carolina 29605
                        Attention:  Larry G. Blackwell, Ph.D., P.E.
                        Telephone:  (864) 422-5001
                        Telecopier: (864) 422-5000



                              with a copy to:

                        Hunton & Williams
                        600 Peachtree Street, N.E.
                        Suite 4100
                        Atlanta, Georgia 30308-2216
                        Attention:  B. Lynn Walsh, Esq.
                        Telephone:   (404) 888-4031
                        Telecopier:  (404) 888-4190



 (b)                    If to the SIS Stockholders, to the SIS
                        Stockholders' Representative:

                        Ms Choy Feng Alice
                        c/o 315 Alexandra Road, #05-03
                        Performance Centre
                        Singapore 159944
                        Tel - 65-474 0988
                         Fax -65-474 9788
<PAGE>

                         with a copy to:

                        Timothy Ong, Lim & Partners
                        239-B Victoria Street, Bugis Village
                        Singapore 188029

                        Attn : Mr Lim Cheong Peng

                        Tel - 65-334 1838
                        Fax - 65-334 3800


            (b)   all such  notices  and other  communications  shall be
      deemed to have been received

                  (i)   in the case of personal delivery, on the date
      of such delivery,

                  (ii)  in the case of a telecopy, when the party
      sending such telecopy shall have confirmed receipt of the
      communication,

                  (iii) in the case of delivery by
      internationally-recognized overnight courier, on the Business Day
      following dispatch, and

                  (iv)  in the case of mailing, on the third Business
      Day following such mailing.

      10.6    Headings.  The headings  contained in this  Agreement  are
for reference  purposes only and shall not affect in any way the meaning
or interpretation of this Agreement.

      10.7    Counterparts.  This  Agreement  may be  executed in one or
more  counterparts,  all of which shall be  considered  one and the same
agreement and shall become effective when one or more  counterparts have
been signed by each of the parties and  delivered to the other  parties,
it being understood that all parties need not sign the same counterpart.

      10.8    Benefits;  Assignment.  This  Agreement is not intended to
confer  upon any  Person  other  than the  parties  hereto any rights or
remedies  hereunder  and shall not be  assigned by  operation  of law or
otherwise;  provided,  however,  that Datastream or AqSub may assign all
or any portion of the rights  hereunder to any  Subsidiary of Datastream
or AqSub,  and the SIS  Stockholders  shall,  upon request,  execute any
amendment  to  the  Transaction   Documents  necessary  to  provide  the
benefits of this Agreement to any such assignee.
<PAGE>
      10.9    Governing  Law;  Arbitration.   This  Agreement  shall  be
governed by and  construed in  accordance  with the laws of the Republic
of  Singapore  as  applicable  to  contracts  made  and to be  performed
therein.  All disputes  between the parties  hereto  arising under or in
connection  with this  Agreement  or any other  Transaction  Document or
further agreements  resulting from this Agreement including all disputed
claims  for  breach  by  any  party  of  any  representation,  warranty,
undertaking  or covenant on its part under this  Agreement  or any other
Transaction  Document,  shall be resolved by  arbitration  in accordance
with the rules of the United Nations  Commission on International  Trade
Law,  provided  that the parties shall have the right to settle any such
dispute  in summary  proceedings  and the right to obtain  seizure,  and
provided,  further,  that  it is the  desire  of  the  parties  to  this
Agreement  that  such  arbitrators   undertake  their  best  efforts  to
complete  any  such  arbitration  within  one  year  of  the  date  such
arbitration  is commenced.  The  arbitrators  shall be fluent in English
and the  arbitration  shall only be conducted  in the English  language.
All pleadings and papers  (other than  original  exhibits)  submitted in
connection with such arbitration  shall only be submitted in the English
language.  Unless  otherwise  agreed to by Datastream and AqSub,  on the
one  hand,   and  the  SIS   Stockholders,   acting   through   the  SIS
Stockholders'   Representative,   on  the  other  hand,   the  place  of
arbitration  shall be Singapore.  The arbitration panel shall consist of
three members or,  subject to the agreement of the parties,  one member.
If the panel is to consist of one member,  such  member  shall be chosen
by agreement of the parties within 30 days  following  initiation of the
arbitration  proceedings  or, if the parties are unable to agree  within
that time, by the United Nations  Commission on International  Trade Law
in a manner  consistent  with its  rules.  If the panel is to consist of
three  members,  the first two members shall be chosen by each party and
such members shall choose the third member within 30 days  following the
initiation  of  the  arbitration  proceedings.   For  purposes  of  this
Section  9.9, the term  "party," as used herein  shall,  in  appropriate
circumstances,  be deemed to mean Datastream and AqSub, on the one hand,
and the SIS  Stockholders  (collectively  and as  represented by the SIS
Stockholders" Representative), on the other hand.

      10.10   Language of  Agreement.  The original,  execution  copy or
copies of this  Agreement,  and the Schedules and Exhibits  hereto shall
be in the English  language and such English  version  shall be the only
version  used  to  interpret  the  provisions   thereof.   All  notices,
communications  and  other  documents  given or to be given  under  this
Agreement shall be made in the English language.

      10.11   Contractual  Currency.  The  specification  of US$/S$  (as
the  case may be) is of the  essence,  and  such  currency  shall be the
currency of account in the case of all obligations  under this Agreement
(the  "Contractual  Currency").  Each payment under this  Agreement will
be  made  in  the  Contractual  Currency  at  the  place  specified  for
payment.  To the extent  permitted by applicable Law any  obligations to
make payments under this Agreement in the Contractual  Currency will not
be discharged or satisfied by any tender in any currency  other than the
Contractual Currency or at any place other than as required therein.
<PAGE>
      10.12   Agent   for   Service.   Each  of  the  SIS   Stockholders
authorizes  and appoints  the SIS  Stockholders'  Representative  as his
agent to  receive  service  of  process  for any  action  or  proceeding
arising out of or relating to this  Agreement  or any other  Transaction
Document.

      10.13   Construction.  The language used in this Agreement will be
deemed to be the language  chosen by the parties to express their mutual
intent and no rule of strict  construction  shall be applied against any
party. Any reference to any federal,  state, local or foreign statute or
law  shall  be  deemed  also  to  refer  to all  rules  and  regulations
promulgated thereunder,  unless the context requires otherwise.  Nothing
in the Schedules  shall be deemed adequate to disclose an exception to a
representation  or warranty made herein unless the appropriate  Schedule
identifies the exception with  particularity  and describes the relevant
facts in detail  and makes  specific  reference  to the  Section of this
Agreement  from  which   exception  is  taken.   Without   limiting  the
generality of the  foregoing,  the mere listing (or inclusion of a copy)
of a document or other item shall not be deemed  adequate to disclose an
exception  to a  representation  or  warranty  made  herein  (unless the
representation  or warranty has to do with the existence of the document
or other items  itself).  The parties  intend that each  representation,
warranty  and   covenant   contained   herein  shall  have   independent
significance. If any party has breached any representation,  warranty or
covenant  contained  herein in any  respect,  the fact that there exists
another  representation,  warranty  or  covenant  relating  to the  same
subject matter  (regardless of the relative levels of specificity) which
the party has not  breached  shall not detract from or mitigate the fact
that the party is in breach of the  first  representation,  warranty  or
covenant.

                [Signatures appear on following pages.]

<PAGE>
      IN WITNESS WHEREOF,  the parties hereto have signed or have caused
this  Agreement  to  be  signed  by  their  respective  duly  authorized
officers, all as of the date first written above.


DATASTREAM:                               DATASTREAM SYSTEMS, INC.

                                          By: /s/ Daniel H. Christie
                                          ------------------------------------

                                          Title: Chief Financial Officer
                                          ------------------------------------


AQSUB:                                    SIKASSO PTE LTD

                                          By: /s/ Nathan C Clement
                                          ------------------------------------

                                           Title: Managing Director
                                           -----------------------------------




SIS STOCKHOLDERS:                         /s/Lim Bian San
- -----------------------------------------------------------------------------
                                          Lim Bian San

                                          /s/ Ng Kee Chan
                                          ------------------------------------
                                          Ng Kee Chan

                                          /s/ Lim Bian San, by power of attorney
                                          --------------------------------------
                                          Choy Feng Alice

                                          /s/ Philip John Waugh
                                          ------------------------------------
                                          Philip John Waugh




Accepted by:
SIS STOCKHOLDERS'
REPRESENTATIVE:                           /s/ Lim Bian San, by power of attorney
- --------------------------------------------------------------------------------

<PAGE>


                   Schedule 2.2


          ----------------------------------------------------------
          No:     Shareholder        Type of shares     Number of
                                                         shares
          ----------------------------------------------------------
           1        Lim Bian San        Ordinary          643,484
          ----------------------------------------------------------
           2        Ng Kee Chan         Ordinary          164,362
          ----------------------------------------------------------
           3        Alice Feng          Ordinary          142,154
          ----------------------------------------------------------
           4        Philip John Waugh   Ordinary           50,000
          ----------------------------------------------------------
           5        Lim Bian San        Preference         53,000
          ----------------------------------------------------------


          ----------------------------------------------------------
          No:     Shareholder     Equity Component   Cash Component
          ----------------------------------------------------------
           1 Lim Bian San                   20%            80%
          ----------------------------------------------------------
           2 Ng Kee Chan                    45%            55%
          ----------------------------------------------------------
           3 Alice Feng                     50%            50%
          ----------------------------------------------------------
           4 Philip John Waugh              50%            50%
          ----------------------------------------------------------

          ---------------------------------------------------------------------
          No:     Shareholder     Cash Component -   Number of    No. of escrow
                                  US$                shares         shares
          ---------------------------------------------------------------------
          1 Lim Bian San          3,357,164         19,025           19,025
          ---------------------------------------------------------------------
          2 Ng Kee Chan             540,409         19,438            4,860
          ---------------------------------------------------------------------
          3 Alice Feng              513,108         14,710            4,203
          ---------------------------------------------------------------------
          4 Philip John Waugh       164,410          4,913            1,478
          ---------------------------------------------------------------------
                  TOTAL           4,575,091         58,086           29,566
          ---------------------------------------------------------------------





<PAGE>
EXHIBIT  4.1

                            ESCROW AGREEMENT

THIS ESCROW  AGREEMENT (this  "Agreement") is made as of June 16, 1998,
by and among  Datastream  Systems,  Inc., a  corporation  organized and
existing  under  the  laws of the  State  of  Delaware  ("Datastream"),
Sikasso Pte Ltd, a corporation  organized  and existing  under the laws
of the Republic of Singapore  ("AqSub"),  the stockholders of Strategic
Information  Systems Pte Ltd.,  a  corporation  organized  and existing
under the laws of the  Republic of  Singapore]  ("SIS"),  listed on the
signature  pages  hereto  (the  "SIS   Stockholders"),   and  Hunton  &
Williams of Nationsbank  Plaza-Suite 4100, 600 Peachtree Street,  N.E.,
Atlanta, Georgia 30308-2216 as escrow agent (the "Escrow Agent").
                                RECITALS

WHEREAS,  Datastream,  AqSub and the SIS Stockholders have entered into
that certain Share  Purchase  Agreement  dated as of June 16, 1998 (the
"Share  Purchase  Agreement"),  providing for the acquisition of SIS by
AqSub  through the  purchase of all of the  ordinary  capital  stock of
SIS outstanding on the Closing Date (the "Transaction");
WHEREAS,   pursuant   to  the  Share   Purchase   Agreement,   the  SIS
Stockholders   are   entitled  to  receive,   at  the  Closing  of  the
Transaction,  an aggregate of 88,652 shares of Datastream  Common Stock
as a portion of the consideration for such Transaction;
WHEREAS,  the Share Purchase  Agreement  provides that 29,566 shares of
Datastream  Common  Stock (the "Escrow  Shares") of such 88,652  shares
shall  be   delivered   to  the  Escrow   Agent  as  security  for  the
representations,  warranties,  covenants and agreements made by the SIS
Stockholders in the Share Purchase  Agreement,  and shall be placed and
held in escrow  (the  "Escrow")  pursuant  to the terms and  conditions
specified therein and herein;
WHEREAS,  the  respective  number  of  Escrow  Shares  being  placed in
Escrow by each of the SIS  Stockholders  is set forth on  Schedule  2.2
to the Share Purchase Agreement;
WHEREAS,  the  execution and delivery by the SIS  Stockholders  of this
Agreement is a condition  precedent to the  obligations  of  Datastream
and  AqSub  to  effect  the   Transaction   under  the  Share  Purchase
Agreement; and
WHEREAS,  Hunton &  Williams  is  willing  to  accept  delivery  of the
Escrow  Shares from the SIS  Stockholders  and to hold and release such
Escrow Shares in  accordance  with the terms and  conditions  specified
herein.
NOW,  THEREFORE,  in consideration of the premises,  the agreements set
forth  herein and other good and  valuable  consideration,  the receipt
and  sufficiency of which are hereby  acknowledged,  the parties hereto
agree as follows:
                          TERMS AND CONDITIONS

10.                              Definitions.
      (a)   Capitalized  terms  used but not  otherwise  defined  herein
shall have the  meanings  ascribed  to such terms in the Share  Purchase
Agreement.
<PAGE>
      (b)   As used  herein,  the  term  "Escrow  Shares"  includes  the
29,566 shares of Datastream  Common Stock deposited in Escrow hereunder,
any shares of Datastream  Common Stock issued by  Datastream  during the
term of the Escrow in payment of stock  dividends  or stock  splits with
respect to the shares of Datastream  Common Stock deposited  pursuant to
this  Agreement,  and any shares of capital  stock of  Datastream or any
entity  acquiring or succeeding to the business of Datastream  through a
business  combination or otherwise  which are issued in exchange for the
Escrow  Shares,  but shall not  include  any  shares  released  from the
Escrow pursuant to the provisions hereof.

      (c)   As used herein,  the term "Transfer  Agent" shall mean First
Union  National  Bank, a bank  organized in the United States of America
and headquartered in Charlotte, North Carolina.

      (d)   "Fair  Market  Value"  shall mean the average of the closing
sale  price for one (1) share of  Datastream  Common  Stock as quoted on
the Nasdaq National  Market (or such other principal  exchange or market
upon which  shares of  Datastream  Common Stock are traded at such time)
for the ten (10)  days  preceding  the date of  receipt  of a Notice  of
Claim (if a Notice of Dispute is not  thereafter  timely  received  with
respect to such Notice of Claim),  Notice of  Settlement or Order by the
Escrow Agent.

11.                      Appointment of Escrow Agent.
Datastream  and the  SIS  Stockholders  hereby  designate  and  appoint
Hunton &  Williams  to serve as Escrow  Agent  hereunder,  and Hunton &
Williams  hereby  accepts such  designation  and  appointment  upon the
terms, conditions and provisions of this Agreement.
12.                       Deposit with Escrow Agent.
At the  Closing  on even  date  herewith,  each  SIS  Stockholder  will
deliver  to and  deposit  with  the  Escrow  Agent  stock  certificates
representing  the Escrow  Shares,  together with a duly executed  power
of  attorney  substantially  in the form  attached  hereto as Exhibit A
(the  "Power of  Attorney"),  appointing  the Escrow  Agent as such SIS
Stockholder's   attorney-in-fact  for  the  purpose  of  executing  and
delivering  the stock powers and  instructions  necessary to effect the
distributions  contemplated  by this  Agreement  and the  Escrow  Agent
shall  retain  the  Escrow  Shares  in  its  safe   custody.   The  SIS
Stockholders  will  allow the  Escrow  Shares to remain in Escrow  with
the Escrow  Agent and will not  withdraw  or attempt  to  withdraw  the
same from the Escrow except as herein provided.
13.            Escrow Shares; Voting Rights and Cash Dividends.
Upon  receipt of the Escrow  Shares,  the Escrow  Agent  shall hold the
same in accordance  with the terms  hereof.  The Escrow Shares shall be
held in Escrow until delivered to the SIS  Stockholders,  Datastream or
both  pursuant  to the terms  hereof.  For so long as the Escrow  Agent
is  acting  in  such  capacity  with  respect  to  Escrow  Shares  held
hereunder,  the Escrow Agent hereby gives each SIS  Stockholder a power
of  attorney  giving  each SIS  Stockholder  the sole  right to vote or
direct  the voting of his  Escrow  Shares and the right to receive  all
cash dividends declared by the Company with respect thereto.
<PAGE>
14.                           Purpose of Escrow.
The  Escrow  is  being  established  for the  purpose  of  providing  a
non-exclusive  fund for recovery by Datastream  and/or  AqSub,  subject
to the  terms  of the  Share  Purchase  Agreement,  for  any  Claim  or
Liability  incurred by  Datastream  and/or AqSub after the Closing as a
result  of  any  breach  of a  representation,  warranty,  covenant  or
agreement  or other breach of the Share  Purchase  Agreement by the SIS
Stockholders  in  connection  with the Share  Purchase  Agreement,  the
Transaction  or in  connection  with the delivery of any  certificates,
agreements  or other  documents  required  to be  delivered  under  the
terms of the Share Purchase Agreement.
15.                       Valuation of Escrow Shares.
      (a)   For the  purposes  of this  Agreement  and all  notices  and
distributions  contemplated hereby, each of the Escrow Shares shall have
a  value  equal  to  the  Fair  Market  Value,  subject  to  appropriate
mathematical  adjustment  for stock splits or reverse stock  splits,  if
any, declared by Datastream during the term of the Escrow.

      (b)   The  number of Escrow  Shares to be  retained  by the Escrow
Agent after the  settlement  or compromise of a Claim against the Escrow
or  released  to  Datastream  in payment of a Claim  against  the Escrow
shall be  determined  by dividing  the dollar  amount of such Claim (the
dollar amount being calculated, if necessary,  based on an exchange rate
between the U.S.  Dollar and the  Singapore  Dollar within five business
(5) days of the date of payment) by the Fair Market Value,  and rounding
the number so obtained down to the nearest whole number.

      (c)   No   fractional   share  shall  be  issued  or  released  in
connection  with the  payment  of a Claim  against  the  Escrow  and the
amount of any such Claim as to which a fractional  share would otherwise
be disbursed shall be disregarded by the Escrow Agent.

16.                       Retention of Escrow Shares.
Subject to the  provisions of Section 8 of this  Agreement,  the Escrow
Agent  shall  hold all Escrow  Shares  deposited  with it  pending  the
receipt by the Escrow Agent from time to time of:
      (a)   One or more  written  notices of a Claim  against the Escrow
in the  form  specified  in  Section  16(b)  of this  Agreement  (each a
"Notice of Claim");

      (b)   One or more written  notices of the settlement of a disputed
Claim against the Escrow in the form  specified in Section 16(c) of this
Agreement (each a "Notice of Settlement"); or

      (c)   A decision of an arbitration  panel directing the release of
some or all of the Escrow  Shares in accordance  with the  provisions of
Section 10.9 of the Share Purchase Agreement (an "Order").

17.                            Claim Procedure.
      (a)   In the event  that the  Escrow  Agent  receives  a Notice of
Claim  from   Datastream,   the  Escrow   Agent  shall  notify  the  SIS
Stockholders'  Representative  of the  receipt  of such  Notice of Claim
within five (5)  Business  Days of such receipt by sending a copy of the
<PAGE>
Notice of Claim  marked to show the date of receipt by the Escrow  Agent
to the SIS  Stockholders'  Representative.  If the SIS Stockholders wish
to  dispute  the Claim  against  the Escrow  contained  in the Notice of
Claim, the SIS Stockholders'  Representative  shall send a notice to the
Escrow  Agent that the SIS  Stockholders  dispute the Claim  against the
Escrow in the form  specified  in  Section  16(d) of this  Agreement  (a
"Notice of  Dispute").  Such  Notice of Dispute  must be received by the
Escrow  Agent  within  twenty  (20) days after the receipt by the Escrow
Agent of the Notice of Claim.

      (b)   If the Escrow  Agent  receives a Notice of Dispute  from the
SIS  Stockholders'  Representative  within  twenty  (20) days  after the
receipt  by the  Escrow  Agent of a Notice of Claim,  the  Escrow  Agent
shall not  release  Escrow  Shares  subject to such  Notice of Claim and
Notice  of  Dispute  until  the  Escrow  Agent   receives  a  Notice  of
Settlement or an Order  directing the Escrow Agent to cause the delivery
of all or a specified  portion of the Escrow  Shares to the  appropriate
party or parties.  Upon receipt of such Notice of  Settlement  or Order,
the Escrow Agent shall  distribute,  as soon as practicable,  the number
of Escrow Shares  specified  therein in accordance  with the  directions
contained  therein and the  provisions  of Sections 6, 10 and 11 of this
Agreement.

      (c)   If the  Escrow  Agent  does not  receive a Notice of Dispute
from the SIS Stockholders'  Representative within twenty (20) days after
the receipt by the Escrow  Agent of a Notice of Claim,  the Escrow Agent
shall  release  to  Datastream,  as soon as  practicable,  the number of
Escrow  Shares  required  to pay the Claim  specified  in the  Notice of
Claim at the Fair Market Value (as  determined  pursuant to Section 6 of
this Agreement) in accordance with Section 10 of this Agreement.

      (d)   Notwithstanding  the  receipt  or  existence  of one or more
Notices of  Dispute,  the Escrow  Agent shall  release  the  appropriate
number of Escrow  Shares  required to pay a Claim  specified in a Notice
of Claim for which no Notice of Dispute has been timely received.

      (e)   The  Escrow  Agent  shall  release  Escrow  Shares  from the
Escrow  Shares  registered  in each SIS  Stockholder's  name pro rata in
accordance  with the  percentages set forth in Schedule 2.2 to the Share
Purchase Agreement.

18.                Termination and Release of Escrow Shares.
      (a)   This  Agreement,  except for the  provisions in Sections 12,
13 and 15 relating to the performance,  liability and indemnification of
the Escrow Agent and except as set forth in subsection (b) below,  shall
terminate:

            (1)   on 28 February 1999 (the "Initial  Termination  Date")
unless the Escrow Agent shall have received:

            (i)   any  Notice of Claim for  which  the  twenty  (20) day
period  for  filing a Notice  of  Dispute  shall  not have  expired  (an
"Outstanding Notice of Claim"); or
<PAGE>
            (ii)  any  Notice  of Claim  for  which a timely  Notice  of
Dispute  shall  have been  received  by the  Escrow  Agent for which the
Escrow Agent shall not have  received a Notice of Settlement or an Order
(an "Outstanding Notice of Dispute").

            (2)         In the  event  that on the  Initial  Termination
Date the Escrow Agent shall be in  possession of an  Outstanding  Notice
of Claim or an  Outstanding  Notice of  Dispute,  this  Agreement  shall
remain  in  effect  and  the  Escrow  Agent  shall  release,  as soon as
practicable,  to the SIS  Stockholders  the number of Escrow Shares then
held by the Escrow  Agent in excess of the number of Escrow  Shares then
subject to any Outstanding  Notice of Claim,  any Outstanding  Notice of
Dispute  or  any  Notice  of  Pending  Arbitration,  such  number  to be
determined in accordance  with Section 6 hereof.  This  Agreement  shall
thereafter  terminate  at the time  that the  Escrow  Agent  shall  have
released all of the Escrow Shares in  accordance  with the terms of this
Agreement.

      (c)   If in the event  that on the  Initial  Termination  Date the
Escrow  Agent shall not be in  possession  of an  Outstanding  Notice of
Claim or an  Outstanding  Notice of  Dispute,  the  Escrow  Agent  shall
release,  as soon as practicable,  the number of Escrow Shares then held
to the SIS Stockholders.

19.            Manner of Release of Escrow Shares to Datastream.
Whenever  the Escrow  Agent  determines  that it is required to release
some or all of the  Escrow  Shares  to  Datastream,  the  Escrow  Agent
shall present to the Transfer Agent for transfer the following:
      (a)   Stock certificates representing the Escrow Shares;

      (b)   Copies of the  Powers of  Attorney  delivered  to the Escrow
Agent pursuant to Section 3 of this Agreement;

      (c)   Appropriate stock powers signed by an authorized  officer of
the  Escrow  Agent,  together  with  evidence  of the  authority  of the
officer acting on behalf of the Escrow Agent; and

      (d)   Written instructions to the Transfer Agent to:

            (i)   reissue a stock certificate  registered in the name of
Datastream and  representing  the number of Escrow Shares to be released
to Datastream and deliver the same to Datastream; and

            (ii)  reissue  stock  certificates,  registered in the names
of each of the SIS  Stockholders  representing  the  balance of such SIS
Stockholder's Escrow Shares and deliver the same to the Escrow Agent.

20.     Manner of Release of the Escrow Shares to the SIS Stockholders.
Whenever  the Escrow  Agent  determines  that it is required to release
some or all of the Escrow  Shares to the SIS  Stockholders,  the Escrow
Agent shall present to the Transfer Agent for transfer the following:
<PAGE>
      (a)   Stock certificates representing the Escrow Shares;

      (b)   Copies of the  Powers of  Attorney  delivered  to the Escrow
Agent pursuant to Section 3 of this Agreement;

      (c)   Appropriate stock powers signed by an authorized  officer of
the Escrow Agent,  with evidence of the authority of the officer  acting
on behalf of the Escrow Agent; and

      (d)   Written instructions to the Transfer Agent to:

            (i)   reissue stock certificates  registered in the names of
each of the SIS  Stockholders  representing  the number of Escrow Shares
to  be  released  to  each  SIS   Stockholder  in  accordance  with  the
percentages set forth in Schedule 2.2 to the Share Purchase Agreement;

            (ii)  reissue stock certificates  registered in the names of
each  of the SIS  Stockholders  representing  the  balance  of such  SIS
Stockholder's Escrow Shares; and

            (iii) deliver  the  stock   certificates   representing  the
Escrow  Shares  to be  released  to the  SIS  Stockholders  to  the  SIS
Stockholder's   Representative   and  deliver  the  stock   certificates
representing the balance of each of the SIS Stockholder's  Escrow Shares
to the Escrow Agent.

21.                       Agreement of Escrow Agent.
The Escrow Agent hereby  acknowledges  receipt of the Escrow Shares and
the  Powers  of  Attorney,  and  agrees  hold  the  same in  Escrow  in
accordance  with the  terms of this  Agreement  and not to  permit  any
withdrawal  thereof  except  under  the  terms of this  Agreement.  The
Escrow  Agent  shall be  responsible  only for the  safekeeping  of the
Escrow Shares and the  distribution  or delivery  thereof in accordance
with  the  terms of this  Agreement.  The  Escrow  Agent  shall  not be
responsible  for the  authenticity  or  accuracy  of any  documents  or
stock  certificates,  or the  sufficiency  of the Escrow Shares and the
Powers of Attorney to make the distributions required herein.
22.                      Performance by Escrow Agent.
The parties to this Agreement agree as follows:
      (a)   In  performing  any of its duties under this  Agreement,  or
upon the  claimed  failure to perform its duties  hereunder,  the Escrow
Agent  shall  not be liable  to any  party  for any  damages,  losses or
expenses  which  may be  incurred  as a result  of the  Escrow  Agent so
acting or failing  to act,  except  the  failure by the Escrow  Agent to
give notice to the SIS  Stockholders'  Representative  of receipt by the
Escrow Agent of a Notice of Claim.

      (b)   The  Escrow  Agent  shall  not  be  responsible  for  or  be
required  to  enforce  any of  the  terms  or  conditions  of the  Share
Purchase  Agreement  or any other  agreement  by and  among  Datastream,
AqSub, SIS and the SIS Stockholders.
<PAGE>

      (c)   The Escrow Agent shall not be  responsible  or liable in any
manner  whatsoever for the performance of or by Datastream,  AqSub,  SIS
and the SIS  Stockholders  of their  respective  obligations  under this
Agreement,  nor shall the Escrow Agent be  responsible  or liable in any
manner  whatsoever  for the  failure of any third  party to honor any of
the provisions of this Agreement.

      (d)   The parties  hereto  represent to the Escrow Agent that they
are  authorized  to  enter  into the  Escrow  Agreement  by  their  duly
authorized  representatives  and that the Escrow  Agent is  entitled  to
rely on this  representation  without the need to confirm the  authority
of the representatives.

      (e)   The duties and  obligations  of the  Escrow  Agent  shall be
limited  to and  determined  solely by the  express  provisions  of this
Agreement and no implied duties or  obligations  shall be read into this
Agreement  against the Escrow  Agent.  The Escrow  Agent is not bound by
and is under no duty to inquire  into the terms or validity of any other
agreements or documents,  including  any  agreements or documents  which
may be related to,  referred to in, or  deposited  with the Escrow Agent
in connection with this Agreement.

      (f)   The Escrow  Agent  shall be  entitled to rely upon and shall
be  protected in acting in reliance  upon any notice  submitted to it in
connection   with  its  duties  under  this  Escrow   Agreement  in  the
appropriate  form as set forth in  Section 16 of this  Agreement,  which
the  Escrow  Agent  in good  faith  believes  to  have  been  signed  or
presented by the proper party or parties.

      (g)   The Escrow  Agent shall be entitled to consult  with counsel
of its own  selection  and the opinion of such counsel shall be full and
complete  authorization and protection to the Escrow Agent in respect of
any action taken or omitted by the Escrow Agent  hereunder in good faith
and in accordance with the opinion of such counsel.

      (h)   The Escrow  Agent shall have the right to resign at any time
and for any  reason,  and shall be  discharged  of its  duties as Escrow
Agent  hereunder  by giving  written  notice of its  resignation  to the
parties  hereto at least  twenty  (20)  Business  Days prior to the date
specified for such  resignation to take effect.  All  obligations of the
Escrow Agent  hereunder  shall cease and terminate on the effective date
of its resignation and its sole  responsibility  thereafter  shall be to
deliver the Escrow  Shares to a successor  escrow  agent to be appointed
by the parties hereto,  together with the Powers of Attorney  previously
delivered  to the Escrow Agent  pursuant to Section 3 hereof,  whereupon
such  successor  escrow  agent  shall  assume  all  of  the  rights  and
obligations  of, and be deemed to be for all purposes,  the Escrow Agent
hereunder.

23.                          Fees of Escrow Agent.
For its services  hereunder  (which shall include receipt and return or
release of the Escrow Shares in the manner  contemplated  herein),  the
Escrow Agent shall receive  compensation  in accordance with its normal
fee schedule.  Datastream  shall be responsible  for such  compensation
unless the SIS  Stockholders  request that a successor  escrow agent be
appointed,  in which case Datastream and the SIS Stockholders  (jointly
and severally)  shall be equally  responsible for such successor escrow
agent's compensation.
<PAGE>
24.                            Indemnification.
      (a)   Each  of   Datastream,   on  the  one  hand,   and  the  SIS
Stockholders,  on the other hand, agree to indemnify and hold the Escrow
Agent  harmless  from and  against  any and all  liabilities,  causes of
action,  claims,  demands,   judgments,   damages,  costs  and  expenses
(including  reasonable  attorneys  fees and expenses) that may arise out
of or in connection  with the Escrow  Agent's good faith  acceptance of,
or good faith  performance  of, its  duties and  obligations  under this
Agreement.

      (b)   The Escrow  Agent  shall be under no duty to  institute  any
suit or to take any  remedial  procedures  under  this  Agreement  or to
enter any  appearance  or in any way defend any suit in which it is made
a defendant hereunder until it shall be indemnified as provided above.

      (c)   In the event that the Escrow  Agent shall be uncertain as to
its duties or rights  hereunder,  or receives  instructions with respect
to the Escrow  Shares  which,  in its sole  discretion,  are in conflict
either with other  instructions  received by it or with any provision of
this  Agreement,  the  Escrow  Agent  shall have the  absolute  right to
suspend all further  performance under this Escrow Agreement (except for
the  safekeeping  of the Escrow  Shares)  until the  resolution  of such
uncertainty  or  conflicting  instructions  to the Escrow  Agent's  sole
satisfaction  by final  judgment of a court of  competent  jurisdiction,
joint  written  instructions  from all of the other parties  hereto,  or
otherwise.
      (d)   In the event  that any  controversy  arises  between  one or
more of the  parties  hereto or any other  party  with  respect  to this
Agreement or the Escrow  Shares,  the Escrow Agent shall not be required
to determine the proper  disposition  of such  controversy or the proper
disposition of the Escrow Shares and shall have the absolute  right,  in
its sole  discretion,  to hold the Escrow Shares subject to such dispute
until it receives an Order  directing  the release of some or all of the
Escrow Shares.

25.                        Instructions and Notices.
      (a)   In  executing  and  performing  its  duties  hereunder,  the
Escrow Agent shall be entitled to rely upon  instructions  of Datastream
and the SIS  Stockholders'  Representative.  Any  instructions or orders
given  to  the  Escrow  Agent  pursuant  to  this  Agreement   shall  be
irrevocable.  Any notice, payment, demand,  instruction or communication
required or permitted to be given by this Agreement  shall be in writing
and shall be deemed to have been  sufficiently  given or served  for all
purposes  on the date on which  the  same  was sent if  transmitted  via
confirmed  facsimile  with a copy thereof sent by reputable,  guaranteed
delivery service,  shipping charges prepaid, to the appropriate party at
the facsimile number and address stated below:
<PAGE>

If to Datastream:       Datastream Systems, Inc.
                        50 Datastream Plaza
                        Greenville, South Carolina 29067
                        Attn:  Larry G. Blackwell, Ph.D., P.E.
                        Facsimile:  (864) 422-5000

with a copy to:         Hunton & Williams
                        600 Peachtree Street, NE
                        Suite 4100
                        Atlanta, Georgia 30308
                        Attn: B. Lynn Walsh, Esq.
                        Facsimile: (404) 888-4031

and to:                 Alban Tay Mahtani & DeSilva
                        39 Robinson Road #07-01
                        Robinson Point
                        Singapore 068911
                        Attn: Mr Tay Beng Chai/ Mr Edmund Chin
                        Facsimile: (65) 225-5228

If to the SIS Stockholders:   Ms Choy Feng Alice
                        (SIS Stockholders' Representative)
                        c/o 315 Alexandra Road, #05-03
                        Performance Centre
                        Singapore 159944
                        Facsimile : (65) 474 9788

with a copy to:         Timothy Ong, Lim & Partners
                        39-B Victoria Street
                        Bugis Village
                        Singapore 188029
                        Attn : Mr Lim Cheong Peng
                        Facsimile :(65) 334 3800

If to the Escrow Agent: Hunton & Williams
                        600 Peachtree Street, NE
                        Suite 4100
                        Atlanta, Georgia 30308
                        Attn : B. Lynn Walsh, Esq.
                        Facsimile : (404) 888 4031

Any party  hereto may  change  its  address  for  purposes  of notice by
giving notice of such change to the other  parties  hereto in the manner
specified herein.
<PAGE>
      (b)   A Notice  of Claim  shall  specify  the  amount of the Claim
against  the  Escrow,  expressed  in US  Dollars,  the  number of Escrow
Shares  required to pay the Claim  determined in accordance with Section
6 of this  Agreement  (based on the Fair Market  Value as of the date of
the  Notice  of  Claim,   but  subject  to  variance   based  on  market
fluctuation  prior  to  the  payment  of  the  Claim),  and a  statement
describing  the nature and grounds of the Claim,  specifying the section
of the  Share  Purchase  Agreement  to which  such  Claim  pertains  (if
applicable),  and setting forth the  aggregate  amount of all Claims for
which Datastream is seeking or has sought  indemnification  from the SIS
Stockholders.  Any  Notice  of Claim  shall be  prepared,  executed  and
delivered to the Escrow Agent by Datastream or its legal counsel.

      (c)   A Notice of Settlement  shall specify the Notice of Claim to
which it relates by indicating  the date of such Notice of Claim and the
amount,  in US  Dollars,  of the Claim  against  the  Escrow,  and shall
specify  the Notice of Dispute  to which it  relates by  indicating  the
date of such Notice of Dispute.  The Notice of Settlement  shall contain
a brief  description  of the  resolution  of the claim and  dispute  and
shall include  instructions to the Escrow Agent specifying the number of
Escrow  Shares to be released and to which party such Escrow  Shares are
to be  released.  Each  Notice of  Settlement  must be signed by both an
authorized   officer   of   Datastream   and   the   SIS   Stockholders'
Representative acting on behalf of the SIS Stockholders.

      (d)   A Notice of  Dispute  shall  specify  the Notice of Claim to
which it relates by indicating  the date of such Notice of Claim and the
amount, in US Dollars,  of the Claim against the Escrow,  and shall also
indicate  in  reasonable  detail the basis for the dispute of the Notice
of Claim.  The Notice of Dispute  shall be executed on behalf of the SIS
Stockholders by the SIS  Stockholders'  Representative  and delivered to
the Escrow Agent.

      (e)   Copies   of  all  the   notices   described   in  the  above
subsections  of  this  Section  16  shall  also  be  sent to each of the
persons  listed in  Section  16(a) at the  respective  addresses  listed
therein.

      (f)   As noted in Section 7.9(b) of the Share Purchase  Agreement,
the parties to this  Agreement  understand  and agree that the Escrow is
not the  exclusive  source  for  indemnification  pursuant  to the Share
Purchase  Agreement  and that such Escrow in no way limits the amount of
Claims that may be made pursuant to the Share Purchase Agreement.

26.                             Governing Law.
This  Agreement  shall be governed by and construed in accordance  with
the  laws  of  the   Republic   of   Singapore.   Notwithstanding   the
foregoing,  Datastream and each of the SIS Stockholders  agree, and the
Escrow  Agent  acknowledges,  that all  disputes  between  the  parties
hereto  arising  under or in  connection  with this  Agreement,  to the
extent such disputes  relate to a Claim or Liability  arising under the
Stock  Purchase  Agreement,  shall be resolved in  accordance  with the
provisions of Section 10.9 of the Share Purchase Agreement.
<PAGE>
27.                              Modification.
No  modification  or amendment to this Agreement  shall be valid unless
it is in writing and signed by all of the parties hereto.
28.                                Headings.
The headings in this Agreement are intended to be for  convenience  and
identification   only  and  are  in  no  way   intended  to   describe,
interpret,  define  or  limit  the  scope,  extent  or  intent  of this
Agreement or any provision hereof.
29.                              Severability.
Each  provision of this  Agreement is intended to be severable.  If any
section or provision  is illegal or invalid for any reason  whatsoever,
such  illegality  or  invalidity  shall  not  affect  the  validity  or
enforcement of the remainder of this Agreement.
30.                             Sole Agreement.
This  Agreement  constitutes  the entire  understanding  of the parties
hereto with respect to the subject matter  hereof,  which is the escrow
arrangements pertaining to the Share Purchase Agreement.
31.                              Counterparts.
This  Agreement  and  any  amendment  hereto  may  be  executed  by the
parties  in two or more  counterparts,  with the same  effect as if all
parties hereto had signed the same  document.  All  counterparts  shall
be construed as and shall constitute one and the same agreement.
              [Signatures appear on the following pages.]

<PAGE>
IN WITNESS  WHEREOF,  the parties  hereto have caused this Agreement to
be executed and sealed as of the date first written above.

DATASTREAM:                   DATASTREAM SYSTEMS, INC.

                                    By: /s/ Daniel H. Christie
                                    --------------------------

                                    Title: Chief Financial Officer
                                    ------------------------------





AQSUB:                              SIKASSO PTE LTD

                                    By: /s/ Nathan C. Clement
                                    -------------------------

                                    Title: Managing Director
                                    ------------------------





ESCROW AGENT:                       /s/ B. Lynn Walsh, Partner
- --------------------------------------------------------------
                                    Hunton & Williams





                [Signatures continue on following page.]


<PAGE>


SIS STOCKHOLDERS:                   /s/ Lim Bian San, by power of attorney
- --------------------------------------------------------------------------
                                    Choy Feng Alice



                                    /s/ Ng Kee Chan
                                    ------------------------------
                                    Ng Kee Chan



                                    /s/ Lim Bian San
                                    ------------------------------
                                    Lim Bian San



                                    /s/ Philip John Waugh
                                    ------------------------------------
                                    Philip John Waugh








Accepted by:
SIS STOCKHOLDERS'
REPRESENTATIVE:                    /s/ Lim Bian San, by power of attorney
- -------------------------------------------------------------------------
                                    Choy Feng Alice



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