COMPUTER HORIZONS CORP
8-K/A, 1998-03-17
COMPUTER INTEGRATED SYSTEMS DESIGN
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                                 UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                              Washington, DC 20549


                                    FORM 8-K/A


                                 CURRENT REPORT



                     Pursuant to Section 13 or 15(d) of the
                         Securities Exchange Act of 1934


                               February 27, 1998
- --------------------------------------------------------------------------------
                Date of Report (Date of earliest event reported)
                                



                             COMPUTER HORIZONS CORP.
- --------------------------------------------------------------------------------
             (Exact name of Registrant as specified in its Charter)



      NEW YORK                       0-7282                        13-2638902
- --------------------------------------------------------------------------------
  (State or other            (Commission File Number)            (IRS Employer
  jurisdiction of                                                Identification
  incorporation or                                                   Number)
  organization)


         49 OLD BLOOMFIELD AVENUE, MOUNTAIN LAKES, NEW JERSEY 07046-1495
- --------------------------------------------------------------------------------
              (Address of principal executive offices) (Zip Code)


                                 (973) 299-4000
- --------------------------------------------------------------------------------
              (Registrant's telephone number, including area code)


                                 NOT APPLICABLE
- --------------------------------------------------------------------------------
         (Former name or former address, if changed since last report)
<PAGE> 
ITEM 2.  ACQUISITION OR DISPOSITION OF ASSETS

     Pursuant to the Agreement and Plan of Merger, dated as of February 4, 1998,
by  and  among  Computer  Horizons  Corp.,  a New  York  corporation  ("Computer
Horizons"),  PS  Merger  Corp.,  a New  Jersey  corporation  ("Sub"),  Princeton
Softech,  Inc., a New Jersey  corporation  ("Princeton") and the stockholders of
Princeton (the  "Stockholders"),  the merger of Sub with and into Princeton (the
"Merger")  was  consummated  on  February  27,  1998.  Pursuant  to the  Merger,
Princeton became a wholly-owned  subsidiary of Computer Horizons, and each share
of common stock,  no par value,  of Princeton that was  outstanding  immediately
prior to the  consummation of the Merger was converted into the right to receive
1.1626 shares of common stock,  par value $.10 per share,  of Computer  Horizons
("Computer Horizons Common Stock"), subject to adjustment to ensure the issuance
of a  whole  number  of  shares  of  Computer  Horizons  Common  Stock  to  each
Stockholder.  As a result of the Merger,  Computer  Horizons Corp. issued to the
Stockholders a total of 954,213 shares of Computer Horizons Common Stock for all
of the  outstanding  shares  of  Princeton.  95,409 of such  shares of  Computer
Horizons  Common Stock shall be held in escrow for the purpose of satisfying the
indemnification   obligations  of  the  Stockholders  for  certain  breaches  of
representations,  warranties and covenants of the Stockholders and Princeton set
forth in the Merger Agreement.  Subject to any claims for indemnification,  such
escrowed  shares  shall  be  delivered  to  the  Stockholders   upon  the  first
anniversary of consummation of the Merger.

         A copy of the Merger  Agreement  is filed as an  exhibit  hereto and is
incorporated  herein by reference.  The description of the Merger  Agreement set
forth herein does not purport to be complete and is qualified in its entirety by
the provisions of the Merger Agreement.  The Merger Agreement contains a list of
each of the  exhibits  thereto  (the "Merger  Agreement  Exhibits").  The Merger
Agreement Exhibits do not contain information which is material to an investment
decision and have  therefore not been attached to this filing,  pursuant to Item
601 of Regulation  S-K. The Company will  supplementally  furnish the Commission
with a copy of any of the Merger Agreement Exhibits upon request.

     Princeton  provides  software  utilities  for the  management  of data  and
applications within large organizations.
<PAGE>
ITEM 7.  FINANCIAL STATEMENTS, PRO FORMA FINANCIAL INFORMATION AND EXHIBITS

(a) and (b) Not Applicable.

(c)         The  following  document is  furnished  as an Exhibit to this report
            pursuant to Item 601 of Regulation S-K:

            2.    Agreement and Plan of Merger, dated as of February 4, 1998, by
                  and among Computer Horizons Corp., PS Merger Corp.,  Princeton
                  Softech, Inc. and the Stockholders of Princeton Softech, Inc.
            

<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.





                                                   COMPUTER HORIZONS CORP.




Date:  March 17, 1998                        By:  /s/William Murphy
                                                  -----------------
                                             Name:   William Murphy
                                             Title:  Chief Financial Officer
<PAGE>
================================================================================



                                                                       EXHIBIT 2






                          AGREEMENT AND PLAN OF MERGER


                                  by and among


                            COMPUTER HORIZONS CORP.,


                                PS MERGER CORP.,


                            PRINCETON SOFTECH, INC.,


                                       and


                   THE STOCKHOLDERS OF PRINCETON SOFTECH, INC.


                            LISTED ON ANNEX 1 HERETO


                          Dated as of February 4, 1998













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









                               TABLE OF EXHIBITS


Exhibit A         Princeton Softech Employee Handbook

Exhibit B         Form of Employment and Non-Compete Agreement

Exhibit C         Form of Escrow Agreement

Exhibit D         Form of Registration Rights Agreement

Exhibit E         Form of Affiliate Letter

Exhibit F         Form of Stockholder Consent

<PAGE>
         AGREEMENT  AND  PLAN OF  MERGER  dated  as of  February  4,  1998  (the
"Agreement"),  among Computer Horizons Corp., a New York corporation ("CHC"), PS
Merger Corp., a New Jersey corporation ("Sub"),  Princeton Softech,  Inc., a New
Jersey corporation ("Princeton"),  the stockholders of Princeton listed on Annex
1  hereto  (collectively,   the  "Principal  Stockholders")  and  the  remaining
Stockholders (as defined herein),  upon the delivery by each such Stockholder of
a counterpart signature page to this Agreement.

                                   WITNESSETH:

         WHEREAS,  the  Boards  of  Directors  of CHC,  Sub and  Princeton  have
determined  that it is advisable and in the best  interests of their  respective
stockholders  for CHC, Sub and  Princeton  to enter into a business  combination
upon the terms and subject to the conditions set forth herein;

         WHEREAS, in furtherance of such combination, the Boards of Directors of
CHC,  Sub and  Princeton  have  each  approved  the  merger of Sub with and into
Princeton (the "Merger"), upon the terms and subject to the conditions set forth
herein,  in accordance  with the applicable  provisions of the New York Business
Corporation  Law (the "NYBCL"),  in the case of CHC, and the New Jersey Business
Corporation Act (the "NJBCA"), in the case of Sub and Princeton;

         WHEREAS,  CHC,  Sub and  Princeton  intend,  by  approving  resolutions
authorizing this Agreement,  to adopt this Agreement as a plan of reorganization
and that the Merger qualify as a tax-free  reorganization  within the meaning of
Section  368(a) of the Internal  Revenue Code of 1986,  as amended (the "Code"),
and the regulations promulgated thereunder; and

         WHEREAS,  pursuant  to the  Merger,  each  outstanding  share of common
stock,  no par value, of Princeton  ("Princeton  Stock") shall be converted into
the right to receive CHC Stock (as defined  herein),  upon the terms and subject
to the conditions set forth herein.

         NOW,  THEREFORE,  in  consideration  of the  foregoing  and the  mutual
covenants and  agreements  herein  contained,  and intending to be legally bound
hereby, CHC, Sub, Princeton and the Stockholders hereby agree as follows:

                                   ARTICLE 1.

                                   DEFINITIONS

         1.1.     Defined Terms.

           As used herein, the terms below shall have the following meanings:

         "Actual  Excess   Stockholder   Expenses"   means  the  amount  of  any
Stockholder Expenses in Excess of $860,000.

         "Affiliate"  of a Person  means any other  Person  which,  directly  or
indirectly,  controls,  is controlled by, or is under common control with,  such
Person.  The term "control"  (including,  with  correlative  meaning,  the terms
"controlled  by" and "under common control  with"),  as used with respect to any
Person, means the possession,  directly or indirectly, of the power to direct or
cause the  direction of the  management  and  policies of such  Person,  whether
through the ownership of voting securities, by contract or otherwise.

         "Agreements Regarding Confidentiality and Proprietary Rights" means the
Princeton Softech, Inc. Employee Handbook signed by each of the Employees listed
on Schedule 3.18, each in substantially the form attached as Exhibit A hereto.
<PAGE>
         "Ancillary  Agreements" means the Escrow Agreement,  the Employment and
Non-Compete Agreements, the Agreements Regarding Confidentiality and Proprietary
Rights, the Registration Rights Agreement, the Transmittal Letters and all other
agreements required hereunder to consummate the Merger.

         "Assets" means the right, title and interest of Princeton or any of its
Subsidiaries in and to each of their respective properties, assets and rights of
any kind,  whether tangible or intangible,  real or personal,  including without
limitation the right, title and interest in the following:

                  (a)      all Contracts and Contract Rights;

                  (b)      all Fixtures and Equipment;

                  (c)      all Inventory;

                  (d)      all Books and Records;

                  (e)      all Proprietary Rights;

                  (f)      all Permits;

                  (g)      all  return  and other  rights  under or  pursuant to
all warranties, representations and guarantees made by suppliers and other third
parties in connection with the Assets or services furnished to such Person;

                  (h)      all  cash,  accounts receivable, deposits and prepaid
                           expenses; and

                  (i)      all goodwill.

         "Average  Share  Price"  means,  as of any date of  determination,  the
average  of the  closing  prices of CHC Stock on the Nasdaq  National  Market as
reported  in the Wall Street  Journal on the trading  days during a period of 45
calendar days ending on the day which is three  calendar days prior to such date
of determination.

         "Balance Sheet" means the consolidated  balance sheet as of the Balance
Sheet Date.

         "Balance Sheet Date" means December 31, 1997.

         "Benefit  Arrangement" means any employment,  consulting,  severance or
other similar  contract,  arrangement or policy (written or oral) and each plan,
arrangement,  program,  agreement or commitment  (written or oral) providing for
insurance   coverage   (including,    without   limitation,   any   self-insured
arrangements),   workers'   compensation,   disability  benefits,   supplemental
unemployment benefits,  vacation benefits,  retirement benefits, life, health or
accident benefits  (including,  without  limitation,  any "voluntary  employees'
beneficiary association" as defined in Section 501(c)(9) of the Internal Revenue
Code  providing  for the same or other  benefits) or for deferred  compensation,
profit-sharing,   bonuses,  stock  options,  stock  appreciation  rights,  stock
purchases or other forms of incentive compensation or post-retirement insurance,
compensation  or  benefits  which (a) is not a  Welfare  Plan,  Pension  Plan or
Multiemployer Plan, (b) is entered into, maintained,  contributed to or required
to be contributed to, as the case may be, by Princeton or any ERISA Affiliate or
under which  Princeton or any ERISA  Affiliate may incur any liability,  and (c)
covers any employee or former employee of Princeton or any ERISA Affiliate (with
respect to their relationship with such any entity).
<PAGE>
         "Books and  Records"  means (a) all  product,  business  and  marketing
plans,  sales and promotional  literature and artwork  relating to the Assets or
the Business,  (b) all books, records,  lists,  ledgers,  financial data, files,
reports,  product and design manuals,  plans,  drawings,  technical  manuals and
operating  records  of  every  kind  relating  to the  Assets  or  the  Business
(including  records  and  lists  of  customers,   distributors,   suppliers  and
personnel)  and (c) all telephone and fax numbers used in the Business,  in each
case whether  maintained  as hard copy or stored in computer  memory and whether
owned by Princeton or its Affiliates.

         "Business"  means the business  and  operations  of  Princeton  and its
Subsidiaries,  consisting of providing  software utilities for the management of
data and applications within large organizations.

         "CHC Stock" means the common stock, par value $.10 per share, of CHC.

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

         "Closing Date" means the date of the Closing.

         "Confidentiality Agreement" means that certain Non-Disclosure Agreement
dated as of December 1997 between CHC and Princeton.

         "Consents"  means  any and  all  Permits  and  any  and  all  consents,
approvals or waivers from third  parties that are required for the  consummation
of the transactions contemplated by this Agreement.

         "Contract Rights" means all rights and obligations under the Contracts.

         "Contracts" means all agreements,  contracts,  leases (whether for real
or personal property), purchase orders, undertakings,  covenants not to compete,
employment  agreements,   confidentiality  agreements,   licenses,  instruments,
obligations and  commitments to which Princeton or any of its  Subsidiaries is a
party or by which Princeton or any of its  Subsidiaries or any of the Assets are
bound or affected, whether written or oral.

         "Court Order" means any judgment, decision, consent decree, injunction,
ruling or order of any foreign,  federal,  state or local court or  governmental
agency,  department  or authority  that is binding on any Person or its property
under applicable law.

         "Default" means (a) a breach of or default under any Contract,  (b) the
occurrence  of an event that with the passage of time or the giving of notice or
both would  constitute  a breach of or  default  under any  Contract  or (c) the
occurrence of an event that with or without the passage of time or the giving of
notice or both  would  give  rise to a right of  termination,  renegotiation  or
acceleration under any Contract.

          "Effective  Average  Share Price" means (a)  $39.0909,  if the Average
Share Price as of the Closing  Date is less than or equal to $39.0909 per share,
(b) the Average  Share Price,  if the Average Share Price as of the Closing Date
is greater  than  $39.0909  per share and less than $43 per share or (c) $43, if
the Average  Share Price as of the Closing  Date is greater than or equal to $43
per share.

         "Effective Time" has the meaning set forth in Section 2.2.
<PAGE>
         "Employee Plans" means all Benefit  Arrangements,  Multiemployer Plans,
Pension Plans and Welfare Plans.

         "Employees" means all officers and directors of Princeton or any of its
Subsidiaries  and  all  other  Persons  employed  by  Princeton  or  any  of its
Subsidiaries  on a full or part-time basis as of the relevant date together with
all persons retained as "independent contractors" on or after the date hereof.

         "Employment   and   Non-Compete   Agreements"   means  the  Non-Compete
Agreements  to be entered into among CHC,  Princeton  and each of the  Principal
Stockholders substantially in the form of Exhibit B hereof.

         "Encumbrance" means any claim, lien, pledge, option, charge,  easement,
security interest, deed of trust, mortgage, right-of-way, encroachment, building
or use restriction,  conditional sales agreement,  encumbrance or other right of
third parties,  whether voluntarily incurred or arising by operation of law, and
includes  any  agreement  to give any of the  foregoing  in the future,  and any
contingent  sale or other  title  retention  agreement  or  lease in the  nature
thereof.

         "Environmental  Claims" means all notices of violation,  liens, claims,
demands,  suits,  or  causes  of  action  for  any  damage,  including,  without
limitation, personal injury, property damage (including, without limitation, any
depreciation  or  diminution  of  property  values),  lost  use of  property  or
consequential  damages,  arising  directly or  indirectly  out of  Environmental
Conditions  or  Environmental  Laws.  By way of example  only (and not by way of
limitation), Environmental Claims include (i) violations of or obligations under
any contract related to Environmental  Laws or Environmental  Conditions between
Princeton  or any of its  Subsidiaries  and any  other  person,  (ii)  actual or
threatened  damages to natural  resources,  (iii)  claims  for  nuisance  or its
statutory  equivalent,  (iv)  claims for the  recovery  of  response  costs,  or
administrative  or judicial orders directing the performance of  investigations,
responses or remedial actions under any Environmental  Laws, (v) requirements to
implement "corrective action" pursuant to any order or permit issued pursuant to
the Resource  Conservation  and Recovery  Act, as amended  ("RCRA"),  or similar
provisions of applicable state law, (vi) claims related to Environmental Laws or
Environmental  Conditions for  restitution,  contribution,  or indemnity,  (vii)
fines,  penalties or liens of any kind against property related to Environmental
Laws or Environmental Conditions, (viii) claims related to Environmental Laws or
Environmental  Conditions  for  injunctive  relief or other orders or notices of
violation from federal,  state or local agencies or courts, and (ix) with regard
to any  present or former  employees,  claims  relating to exposure to or injury
from Environmental Conditions.

         "Environmental   Conditions"   means  the  state  of  the  environment,
including natural resources (e.g., flora and fauna), soil, surface water, ground
water, any drinking water supply,  subsurface strata or ambient air, relating to
or arising out of the use, handling, storage, treatment, recycling,  generation,
transportation,   release,   spilling,   leaking,  pumping,  pouring,  emptying,
discharging,  injecting,  escaping,  leaching,  disposal,  dumping or threatened
release of Hazardous Substances by Princeton or its Subsidiaries or any of their
respective  predecessors  or  successors  in  interest,  or by their  respective
agents,  representatives,  employees or independent  contractors  when acting in
such capacity on behalf of Princeton or any of its Subsidiaries. With respect to
Environmental Claims by third parties, Environmental Conditions also include the
exposure of persons to Hazardous Substances at the work place or the exposure of
persons  or  property  to  Hazardous  Substances  migrating  from  or  otherwise
emanating  from or located on property  owned or occupied by Princeton or any of
its Subsidiaries.
<PAGE>
         "Environmental Laws" means all applicable federal,  state, district and
local laws, all rules or  regulations  promulgated  thereunder,  and all orders,
consent  orders,   judgments,   notices,   permits  or  demand  letters  issued,
promulgated or entered pursuant thereto,  relating to pollution or protection of
the environment  (including,  without  limitation,  ambient air,  surface water,
ground  water,  land  surface,   or  subsurface  strata),   including,   without
limitation, (i) laws relating to emissions,  discharges,  releases or threatened
releases of pollutants, contaminants, chemicals, industrial materials, wastes or
other   substances   into  the   environment  and  (ii)  laws  relating  to  the
identification,   generation,   manufacture,   processing,   distribution,  use,
treatment,   storage,  disposal,   recovery,  transport  or  other  handling  of
pollutants,  contaminants,  chemicals,  industrial  materials,  wastes  or other
substances.   Environmental  Laws  shall  include,   without   limitation,   the
Comprehensive Environmental Response, Compensation and Liability Act of 1980, as
amended ("CERCLA"),  the Toxic Substances Control Act, as amended, the Hazardous
Materials Transportation Act, as amended, RCRA, the Clean Water Act, as amended,
the Safe  Drinking  Water Act,  as amended,  the Clean Air Act, as amended,  the
Occupational  Safety  and  Health  Act,  as  amended,  and  all  analogous  laws
promulgated or issued by any state or other Governmental Authority.

         "Environmental  Reports" means any and all written analyses,  summaries
or  explanations,  in the  possession  or  control  of  Princeton  or any of its
Subsidiaries, of (a) any Environmental Conditions in, on or about the properties
of  Princeton  or any  of its  Subsidiaries  or  (b)  Princeton's  or any of its
Subsidiaries' compliance with Environmental Laws.

         "ERISA" means the Employee Retirement Income Security Act of 1974.

         "ERISA  Affiliate"  means any entity which is (or at any relevant  time
was) a member  of a  "controlled  group of  corporations"  with,  under  "common
control" with, or a member of an  "affiliated  service group" with, or otherwise
required to be aggregated with,  Princeton as set forth in Section 414(b),  (c),
(m) or (o) of the Code.

         "Escrow  Agent" means the escrow agent under the Escrow  Agreement,  or
any  successor  agent  designated  in  accordance  with the terms of the  Escrow
Agreement.

         "Escrow  Agreement" means the Escrow Agreement to be entered into among
CHC, Princeton, the Escrow Agent and the Stockholders  substantially in the form
of Exhibit C hereof.

         "Escrow Shares" has the meaning set forth in Section 2.11.

         "Estimated  Stockholder  Expenses" has the meaning set forth in Section
2.13.

         "Excess  Stockholder  Expenses"  means  the  amount  of  any  Estimated
Stockholder Expenses in excess of $860,000.

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

         "Exchange  Ratio" means the result of dividing the Number of CHC Shares
by the Number of Princeton Shares.

         "Financial  Statements"  means (a) the  consolidated  balance sheets of
Princeton and its  Subsidiaries as of December 31, 1996 and 1995 and the related
consolidated  statements  of income,  changes in  stockholders'  equity and cash
<PAGE>
flows, of Princeton and its Subsidiaries for the years then ended, together with
the report of Ernst & Young LLP thereon, and (b) the consolidated balance sheets
of  Princeton  and its  Subsidiaries  as of  December  31,  1997 and the related
consolidated  statements  of income,  changes in  stockholders'  equity and cash
flows, of Princeton and its Subsidiaries for the twelve months then ended.

         "Facilities"  means  all  plants,  offices,  manufacturing  facilities,
stores,  warehouses,  administration buildings and all real property and related
facilities  owned or  leased by  Princeton  or any of its  Subsidiaries,  all as
identified or listed on Schedule 3.8(b).

         "Fixtures  and  Equipment"  means  all  of  the  furniture,   fixtures,
furnishings,  machinery, computer hardware, and other tangible personal property
owned by Princeton or any of its  Subsidiaries,  wherever  located and including
any such Fixtures and Equipment in the  possession of any of  Princeton's or any
of its Subsidiaries' respective suppliers or other vendors.

         "Former   Properties"   means  all   plants,   offices,   manufacturing
facilities,  stores, warehouses,  administration buildings and all real property
and related  facilities  owned,  leased or operated by  Princeton  or any of its
Subsidiaries prior to the date hereof, but excluding Facilities.

         "GAAP" means generally accepted accounting  principles set forth in the
opinions and pronouncements of the Accounting  Principles Board and the American
Institute of Certified Public  Accountants and statements and  pronouncements of
the Financial  Accounting Standards Board (or agencies with similar functions of
comparable stature and authority within the accounting  profession),  or in such
other statements by such entity as may be in general use by significant segments
of the U.S.  accounting  profession,  which  are  applicable  to the  facts  and
circumstances on the date of determination.

         "Hazardous Substances" means all pollutants,  contaminants,  chemicals,
wastes, and any other carcinogenic,  ignitable,  corrosive,  reactive,  toxic or
otherwise hazardous  substances or materials (whether solids,  liquids or gases)
subject to regulation,  control or remediation under  Environmental Laws. By way
of  example  only,  the  term  Hazardous  Substances  includes  petroleum,  urea
formaldehyde,  flammable, explosive and radioactive materials, PCBs, pesticides,
herbicides, asbestos, sludge, slag, acids, metals, solvents and waste waters.

         "HSR Act" means the Hart Scott  Rodino  Antitrust  Improvements  Act of
1976, as amended.

         "Inventory" means all merchandise owned and intended for resale and all
raw materials,  work in process,  finished goods, wrapping, supply and packaging
items and similar items, whether or not located on the premises,  on consignment
to a third party, or in transit or storage.

         "knowledge" or "to the knowledge" of a party (or similar phrases) means
to the  extent of  matters  (i) which are  actually  known by such party or (ii)
which,  based  on  facts  of which  such  party  is  aware,  would be known to a
reasonable Person in similar circumstances.  Each Person making a representation
or warranty (the "Maker") pursuant to this Agreement that is qualified as to the
knowledge of another Person shall be deemed to have breached such representation
or warranty if such  representation  or warranty is untrue or  inaccurate at the
time it is made, regardless of whether the Maker had knowledge of the untruth or
inaccuracy of such representation or warranty.

         "Liability"  means any  direct  or  indirect  liability,  indebtedness,
obligation,  commitment,  expense, claim, deficiency, guaranty or endorsement of
<PAGE>
or by any Person of any type, whether accrued,  absolute,  contingent,  matured,
unmatured, liquidated, unliquidated, known or unknown.

         "Material  Adverse  Effect" or "Material  Adverse  Change" or a similar
phrase means, with respect to any Person,  (a) any material adverse effect on or
change with respect to (i) the business,  operations, assets (taken as a whole),
liabilities (taken as a whole), condition (financial or otherwise) or results of
operations,  of such Person and its Subsidiaries,  taken as a whole, or (ii) the
right or ability of such Person or any of its  Subsidiaries to consummate any of
the transactions  contemplated  hereby or (b) any event or condition which, with
the  passage  of time,  the giving or  receipt  of notice or the  occurrence  or
nonoccurrence of any other  circumstance,  action or event,  would reasonably be
expected to  constitute  a "Material  Adverse  Effect" on or  "Material  Adverse
Change" with respect to such Person.

         "Merger  Consideration"  means (a)  $43,000,000  less (b) the aggregate
amount of Excess Stockholder Expenses.

         "Multiemployer  Plan"  means any  "multiemployer  plan," as  defined in
Section 4001(a)(3) or 3(37) of ERISA, which (a) Princeton or any ERISA Affiliate
maintains,  administers,  contributes  to or is required to  contribute  to, or,
after  September  25,  1980,  maintained,  administered,  contributed  to or was
required to contribute to, or under which  Princeton or any ERISA  Affiliate may
incur any liability and (b) covers any employee or former  employee of Princeton
or any  ERISA  Affiliate  (with  respect  to  their  relationship  with any such
entity).

         "Number  of CHC  Shares"  means  that  number  of  shares  of CHC Stock
(rounded down to the nearest whole number) calculated by dividing (a) the Merger
Consideration by (b) the Effective Average Share Price as of the Closing Date.

         "Number  of  Princeton  Shares"  means  (a) the  number  of  shares  of
Princeton Stock issued and outstanding at the Effective Time plus (b) the number
of shares of Princeton Stock issuable upon exercise of all unexercised Princeton
Options  outstanding at the Effective Time that are exercisable at the Effective
Time.

         "Pension Plan" means any "employee  pension benefit plan" as defined in
Section 3(2) of ERISA (other than a  Multiemployer  Plan) which (a) Princeton or
any ERISA  Affiliate  maintains,  administers,  contributes to or is required to
contribute to, or, within the five years prior to the Closing Date,  maintained,
administered,  contributed  to or was required to contribute  to, or under which
Princeton or any ERISA  Affiliate  may incur any liability  (including,  without
limitation,  any  contingent  liability)  and (b) covers any  employee or former
employee of Princeton or any ERISA Affiliate (with respect to their relationship
with any such entity).

         "Permitted  Encumbrances"  means (a)  liens  for Taxes or  governmental
charges or claims (i) not yet due and payable,  or (ii) being  contested in good
faith, if a reserve or other appropriate provision, if any, as shall be required
by GAAP shall have been made therefor,  (b) statutory liens of landlords,  liens
of carriers,  warehousepersons,  mechanics and  materialpersons  and other liens
imposed by law incurred in the ordinary  course of business for sums (i) not yet
due and payable,  or (ii) being  contested in good faith,  if a reserve or other
appropriate provision, if any, as shall be required by GAAP shall have been made
therefor,  (c) liens  incurred  or deposits  made in  connection  with  workers'
compensation,  unemployment insurance and other similar types of social security
programs or to secure the performance of tenders, statutory obligations,  surety
and appeal bonds, bids, leases, government contracts,  performance and return of
<PAGE>
money  bonds and similar  obligations,  in each case in the  ordinary  course of
business,  consistent  with past  practice,  and (d)  easements,  rights-of-way,
restrictions and other similar charges or  encumbrances,  in each case, which do
not  interfere  with the  ordinary  conduct of  business  of  Princeton  and its
Subsidiaries  and do not materially  detract from the value of the property upon
which such encumbrance exists.

         "Permits"   means  all  licenses,   permits,   franchises,   approvals,
authorizations,  consents  or  orders  of, or  filings  with,  any  governmental
authority,  whether foreign, federal, state or local, necessary or desirable for
the past,  present  or  anticipated  conduct or  operation  of the  Business  or
ownership of the Assets of such Person.

         "Person" means any person or entity,  whether an  individual,  trustee,
corporation,   limited   liability   company,   general   partnership,   limited
partnership,  trust, unincorporated  organization,  business association,  firm,
joint venture, governmental agency or authority or any similar entity.

         "Princeton  Material  Adverse  Effect" or "Princeton  Material  Adverse
Change" means a Material Adverse Effect with respect to Princeton,  the Business
or the Assets.

         "Princeton Options" means options to purchase Princeton Stock issued by
Princeton pursuant to the Princeton Stock Option Plans.

         "Princeton  Stock  Option  Plans" means (a) the 1991 Stock Option Plan,
(b) 1994 Stock  Option  Plan,  (c) the 1996 Stock  Option  Plan and (d) the 1997
Stock Option Plan.

         "Proprietary  Rights"  means all (a) U.S. and foreign  patents,  patent
applications,  patent  disclosures  and  improvements  thereto,  including petty
patents and  utility  models and  applications  therefor,  (b) U.S.  and foreign
trademarks,  service marks, trade dress,  logos, trade names and corporate names
and the goodwill  associated  therewith and  registrations  and applications for
registration  thereof,  (c) U.S. and foreign  copyrights and  registrations  and
applications for registration thereof, (d) U.S. and foreign mask work rights and
registrations and applications for registration  thereof, (e) Trade Secrets, (f)
other  proprietary  rights,  (g) copies and  tangible  embodiments  thereof  (in
whatever  form or medium) and (h)  licenses  granting any rights with respect to
any of the foregoing.

         "Registration Rights Agreement" means the Registration Rights Agreement
to be entered into between CHC and the Stockholder Representative  substantially
in the form of Exhibit D hereof.

         "Regulations" means any laws, statutes, ordinances, regulations, rules,
notice requirements,  court decisions, agency guidelines,  principles of law and
orders  of any  foreign,  federal,  state  or  local  government  and any  other
governmental  department or agency,  including without limitation energy,  motor
vehicle safety, public utility, zoning, building and health codes, Environmental
Laws,  occupational safety and health and laws respecting  employment practices,
employee documentation, terms and conditions of employment and wages and hours.

         "Related  Party" means (i) any of Princeton's  officers,  directors and
stockholders,  and any officers, directors, partners, associates or relatives of
such  officers,  directors  and  stockholders,  and  (ii)  any  Person  in which
Princeton or any Stockholder or any Affiliate, associate or relative of any such
Person has any direct or indirect interest.
<PAGE>
         "Representative" of any Person means any officer, director,  principal,
attorney, agent, employee or other representative of such Person.

         "SEC" means the Securities and Exchange Commission.

         "Securities Act" means the Securities Act of 1933, as amended,  and the
rules and regulations promulgated thereunder.

         "Stockholder Expenses" has the meaning set forth in Section 2.13.

         "Stockholder Representative" has the meaning set forth in Section 2.12.

         "Stockholders"  means (a) the Principal  Stockholders and (b) the other
holders immediately prior to the Effective Time of shares of Princeton Stock.
         "Subsidiary"  means, with respect to any Person, (a) any corporation of
which at least  50% of the  securities  or  interests  having,  by their  terms,
ordinary  voting  power to elect  members  to the board of  directors,  or other
persons performing similar functions with respect to such corporation,  is held,
directly or indirectly, by such Person, (b) any partnership or limited liability
company of which (i) such Person is a general partner or managing member or (ii)
such person  possesses a 50% or greater  interest in the total  capital or total
income of such partnership or limited liability company.

         "Tax Return" means any report, return,  document,  declaration or other
information  or filing  required  to be  supplied  to any  taxing  authority  or
jurisdiction (foreign or domestic) with respect to Taxes,  including information
returns,  any  documents  with  respect  to or  accompanying  requests  for  the
extension  of  time  in  which  to  file  any  such  report,  return,  document,
declaration or other information.

         "Taxes"  mean  any  and all  taxes,  charges,  fees,  levies  or  other
assessments,   including  income,  gross  receipts,  excise,  real  or  personal
property,  sales,  withholding,   social  security,  retirement,   unemployment,
occupation,  use, service,  license, net worth, payroll,  franchise and transfer
and recording,  imposed by the Internal  Revenue Service or any taxing authority
(whether domestic or foreign,  including any federal,  state,  county,  local or
foreign government or any subdivision or taxing agency thereof (including a U.S.
possession)), whether computed on a separate, consolidated, unitary, combined or
any other  basis;  and such term shall  include  any  interest  whether  paid or
received,  fines,  penalties or additional  amounts  attributable to, or imposed
upon,  or with  respect  to,  any such  taxes,  charges,  fees,  levies or other
assessments.

         "Trade  Secrets"  means all trade  secrets  and  confidential  business
information  (including  ideas,  formulas,  compositions,   inventions  (whether
patentable or  unpatentable  and whether or not reduced to practice),  know-how,
research  and  development  information,   software,  drawings,  specifications,
designs,  plans,  proposals,  technical data,  copyrightable  works,  financial,
marketing  and  business  data,  pricing  and  cost  information,  business  and
marketing plans and customer and supplier lists and information).

         "Transmittal Letter" has the meaning set forth in Section 2.7 hereof.

         "Welfare Plan" means any "employee  welfare benefit plan" as defined in
Section 3(1) of ERISA,  which (a)  Princeton or any ERISA  Affiliate  maintains,
administers,  contributes  to or is  required to  contribute  to, or under which
Princeton  or any ERISA  Affiliate  may incur any  liability  and (b) covers any
employee or former employee of Princeton or any ERISA Affiliate (with respect to
their relationship with any such entity).
<PAGE>
         1.2.     Certain Additional Defined Terms.

                                                                Defined in
                Term:                                            Section:
                ----                                             -------
                Actions.......................................   3.16
                Affiliate Letter..............................   5.5(a)
                Agreement.....................................   Recitals
                Certificate of Merger.........................   2.2
                Certificates..................................   2.7(a)
                CHC...........................................   Recitals
                CHC Closing Certificate.......................   6.1
                CHC Indemnified Parties.......................   9.2(a)
                CHC Material Adverse Affect...................   4.6
                CHC Options...................................   4.2(b)
                CHC Options Plan..............................   2.6(d)
                CHC Preferred Stock...........................   4.2(a)
                CHC Securities................................   4.2(a)
                Claim.........................................   9.2(b)
                Claim Notice..................................   9.2(b)
                Code..........................................   Recitals
                Damage Threshold..............................   9.5(a)
                Damages.......................................   9.2(a)
                Exchange Agent................................   2.7(b)
                Existing Employment Agreements................   3.18(c)
                Indemnified Party.............................   9.2(b)
                Indemnifying Party............................   9.2(b)
                Information Statement.........................   5.7
                International.................................   3.7(a)
                International Stock...........................   3.7(b)
                Leased Property...............................   3.8(c)
                Majority Holders..............................   2.12(a)
                MainWare......................................   5.8
                Merger........................................   Recitals
                Merger Shares.................................   2.6(a)
                NJBCA.........................................   Recitals
                NYBCL.........................................   Recitals
                Pooling Letter................................   8.1(g)
                Princeton.....................................   Recitals
                Princeton Closing Certificate.................   7.1
                Princeton Stock...............................   Recitals
                Principal Stockholders........................   Recitals
                Proposed Acquisition Transaction..............   5.4
                Reformed Option...............................   2.6(d)
                Salary Table..................................   3.18(d)
                SEC Reports...................................   4.5
                Stockholder Consent...........................   5.6
                Stockholder Indemnified Parties...............   9.2(a)
                Stockholder's Closing Certificate.............   7.1
                Surviving Corporation.........................   2.1(a)
                Sub...........................................   Recitals
                Third-Party Claim.............................   9.2(b)

<PAGE>
         1.3    Interpretation Provisions.

                  (a) The words "hereof,"  "herein" and "hereunder" and words of
similar  import when used in this  Agreement  refer to this Agreement as a whole
and not to any particular  provision of this  Agreement,  and article,  section,
schedule  and  exhibit   references  are  to  this  Agreement  unless  otherwise
specified.  The  meaning of defined  terms  shall be equally  applicable  to the
singular and plural forms of the defined terms. The term "or" is disjunctive but
not necessarily exclusive.  The terms "include" and "including" are not limiting
and mean "including without limitation."

                  (b)  References to  agreements  and other  documents  shall be
deemed to include all subsequent amendments and other modifications thereto.

                  (c)  References  to statutes  shall  include  all  regulations
promulgated  thereunder  and  references  to  statutes or  regulations  shall be
construed as including all statutory and  regulatory  provisions  consolidating,
amending or replacing the statute or regulation.

                  (d)  The  captions  and  headings  of this  Agreement  are for
convenience  of  reference  only and shall not affect the  construction  of this
Agreement.

                  (e) The language used in this Agreement  shall 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 either party.

                  (f) The annexes,  schedules and exhibits to this Agreement are
a material  part hereof and shall be treated as if fully  incorporated  into the
body of the Agreement.

                                   ARTICLE 2.

                    THE MERGER; SUBSTITUTION OF STOCK OPTIONS

         2.1       The Merger.

                  (a)  Effective  Time.  At the  Effective  Time (as  defined in
Section 2.2 hereof),  and subject to and upon the terms and  conditions  of this
Agreement  and the  NJBCA,  Sub shall be  merged  with and into  Princeton,  the
separate corporate existence of Sub shall cease, and Princeton shall continue as
the  surviving  corporation.  Princeton as the surviving  corporation  after the
Merger is hereinafter sometimes referred to as the "Surviving Corporation."

                  (b) Closing.  Unless this Agreement shall have been terminated
pursuant  to Section  11.1,  and  subject  to the  satisfaction  or  waiver,  if
permissible, of the conditions set forth in Articles 6 and 7, the closing of the
transactions contemplated by this Agreement (the "Closing") shall take place (i)
at the offices of Latham & Watkins,  885 Third  Avenue,  New York,  New York, as
promptly  as  practicable  (and in any event  within five  business  days) after
satisfaction or waiver, if permissible,  of the conditions set forth in Articles
6 and 7 or (ii) at such  other  time,  date or  place as CHC and  Princeton  may
mutually agree.

         2.2      Effective   Time.  As  promptly  as   practicable   after  the
satisfaction  or waiver of the  conditions  set forth in  Articles  6 and 7, the
parties  hereto shall cause the Merger to be  consummated by filing the articles
of merger as contemplated by the NJBCA (the  "Certificate of Merger"),  together
<PAGE>
with any required  related  documents,  with the appropriate  administrator,  as
indicated in the NJBCA,  in such form as required by, and executed in accordance
with the relevant provisions of, the NJBCA. The Merger shall be effective at the
time indicated in such Certificate of Merger (the "Effective Time").

         2.3      Effect of the Merger. At the Effective Time, the effect of the
Merger shall be as provided in this Agreement, the Certificate of Merger and the
applicable provisions of the NJBCA.

         2.4      Articles of Incorporation; Bylaws.

                  (a) Articles of  Incorporation.  At the  Effective  Time,  the
Certificate of Incorporation of Princeton shall be amended and restated in their
entirety as set forth in the Articles of Merger upon the filing thereof pursuant
to Section 2.2, and shall be the Certificate of  Incorporation  of the Surviving
Corporation  until thereafter duly amended in accordance with applicable law and
such Certificate of Incorporation.

                  (b) Bylaws. At the Effective Time, the Bylaws of Princeton, as
in effect  immediately  prior to the Effective Time,  shall be the Bylaws of the
Surviving   Corporation   until  thereafter  duly  amended  in  accordance  with
applicable law, the Articles of Incorporation  of the Surviving  Corporation and
such Bylaws.

         2.5      Directors and Officers. The directors of Sub immediately prior
to  the  Effective  Time  shall  be  the  initial  directors  of  the  Surviving
Corporation,  each  to  hold  office  in  accordance  with  the  Certificate  of
Incorporation and Bylaws of the Surviving  Corporation,  and the officers of Sub
immediately  prior to the  Effective  Time shall be the initial  officers of the
Surviving  Corporation,  in each case until their respective successors are duly
elected or appointed and qualified in the manner  provided in the Certificate of
Incorporation  and Bylaws of the Surviving  Corporation  and in accordance  with
applicable law.  Princeton shall cause each director and officer of Princeton to
tender  his or her  resignation  prior to the  Effective  Time,  with  each such
resignation to be effective as of the Effective Time.

         2.6      Effect on Capital Stock.  At the Effective  Time, by virtue of
the Merger and without any further action on the part of CHC, Sub,  Princeton or
the Stockholders:

                  (a)      Conversion of Securities.

                           (i)  Each  share  of   Princeton   Stock  issued  and
outstanding  immediately prior to the Effective Time shall be converted into the
right to receive  such number of validly  issued,  fully paid and  nonassessable
shares of CHC Stock as equals the Exchange Ratio. The shares of CHC Stock issued
in  connection  with the  Merger as a result of such  conversion  are  sometimes
referred to herein as the "Merger Shares."

                           (ii) Each share of common stock, no par value, of Sub
issued and outstanding  immediately prior to the Effective Time shall, by virtue
of the  Merger  and  without  any  action  on the  part of the  holder  thereof,
automatically  be converted  into and thereafter  represent one validly  issued,
fully  paid and  nonassessable  common  share,  no par value,  of the  Surviving
Corporation,  so that thereafter CHC will be the sole and exclusive owner of the
outstanding capital stock of the Surviving Corporation.
<PAGE>
                  (b)  Cancellation.  Each share of Princeton  Stock held in the
treasury of Princeton  immediately  prior to the Effective Time shall, by virtue
of the  Merger  and  without  any  action  on the  part of the  holder  thereof,
automatically  cease to be outstanding,  be canceled and retired without payment
of any consideration therefor and cease to exist.

                  (c) Fractional  Shares. No certificates or scrip  representing
fractional  shares of CHC Stock shall be issued in  connection  with the Merger,
and any fractional  share  interests  will be canceled and  thereafter  will not
entitle the owner thereof to vote or to any rights as a  stockholder  of CHC. In
lieu thereof,  each holder of shares of Princeton Stock who would otherwise have
been  entitled  to a fraction  of a share of CHC Stock,  upon  surrender  of all
certificates  representing  shares of Princeton Stock  registered in the name of
such holder, will be paid the cash value of such fraction,  which shall be equal
to such fraction multiplied by the Effective Average Share Price.

                  (d)      Assumption of Princeton Options.

                           (i) At the Effective Time, each outstanding Princeton
Option  granted  under the  Princeton  Stock  Option  Plans,  whether  vested or
unvested,  shall automatically,  and without further action by CHC or the holder
of such Princeton Option, be converted into an option (the "Reformed Option") to
acquire shares of CHC Stock.  Each Reformed Option shall be granted  pursuant to
the Computer  Horizons Corp. 1994 Incentive Stock Option and Appreciation  Plan,
or, in CHC's sole discretion, a new option plan containing substantially similar
provisions and which is the subject of a registration  statement  filed no later
than 20 days following the Closing Date (in either case, the "CHC Option Plan");
provided,  that the  provisions  of each such  Reformed  Option  relating to the
expiration  and date or dates of  exercisability  thereof  shall be identical to
those of the Princeton  Option that was converted into such Reformed Option (and
thus any portion of any Princeton  Option that is or becomes  exercisable  at or
prior  to the  Effective  Time  shall  remain  exercisable  to the  same  extent
following the Effective  Time).  The exercise price per share of CHC Stock under
each  Reformed  Option  shall be equal to the exercise  price of such  Princeton
Option divided by the Exchange Ratio.  The number of shares of CHC Stock subject
to each  Reformed  Option  shall be equal to the  number of shares of  Princeton
Stock for which such  Princeton  Option was  exercisable  at the Effective  Time
(whether or not then exercisable) multiplied by the Exchange Ratio.

                           (ii) As soon as practicable  after the Effective Time
(but in any event within  thirty (30)  business  days) CHC shall deliver to each
holder of an outstanding  Reformed  Option an  appropriate  notice setting forth
such holder's rights pursuant thereto.

         2.7      Delivery of Certificates.

                  (a) Prior to the  Closing,  Princeton  shall mail or otherwise
deliver to each  holder of  Princeton  Stock a letter of  transmittal  in a form
reasonably  satisfactory  to CHC and  Princeton,  together  with a duly executed
counterpart   signature  page  to  this  Agreement  and  the  Escrow   Agreement
(collectively, the "Transmittal Letter"), and instructions for such holder's use
in effecting the surrender of the  certificate or  certificates  evidencing such
Princeton  Stock (the  "Certificates")  as provided in this  Section 2.7 and the
execution  and delivery by such  Stockholder  of this  Agreement  and the Escrow
Agreement.

                  (b) At the Effective Time, CHC shall deliver,  and each holder
of Princeton  Stock shall be entitled to receive,  upon  surrender to CHC or its
representatives   of  any  Certificates  for   cancellation,   together  with  a
<PAGE>
duly-executed  Transmittal  Letter, such number of shares of CHC Stock as equals
(A) the aggregate  Merger Shares into which such Princeton Stock shall have been
converted  in the  Merger  less (B) such  number of  shares  as  equals  (1) the
aggregate  number of Escrow Shares times (2) a fraction,  the numerator of which
is the number of shares of Princeton  Stock  represented by such  Certificate or
Certificates  immediately  prior to the Effective  Time and the  denominator  of
which is the total  number of shares of Princeton  Stock issued and  outstanding
immediately prior to the Effective Time.

                  (c) Upon surrender of each  Certificate and delivery by CHC of
the  number of Merger  Shares in  exchange  therefor,  such  Certificates  shall
forthwith be canceled.  Until so surrendered,  each Certificate  shall be deemed
for all  corporate  purposes  to  evidence  only the right to receive  upon such
surrender the aggregate  number of Merger Shares into which the Princeton  Stock
represented thereby shall have been converted.

         2.8      No Further  Ownership Rights in Shares of Princeton Stock. The
shares of CHC Stock delivered upon the surrender for exchange of Princeton Stock
in accordance  with the terms hereof shall be deemed to have been issued in full
satisfaction  of all rights  pertaining to such shares of Princeton  Stock,  and
there shall be no further  registration  of transfers  of Princeton  Stock which
were outstanding  immediately  prior to the Effective Time on the records of the
Surviving  Corporation.  If, after the  Effective  Time,  the  Certificates  are
presented to the Surviving  Corporation  for any reason,  they shall be canceled
and exchanged as provided in this Article 2.

         2.9      Lost,  Stolen  or  Destroyed  Certificates.  In the  event any
Certificates  shall  have been lost,  stolen or  destroyed,  CHC shall  issue in
exchange for such lost, stolen or destroyed Certificates,  upon the making of an
affidavit of that fact by the holder thereof, such shares of CHC Stock as may be
required  pursuant  to Section  2.6;  provided,  however,  that CHC may,  in its
discretion  and as a condition  precedent to the issuance  thereof,  require the
owner of such lost,  stolen or destroyed  Certificates to deliver a bond in such
sum as it may reasonably  direct as indemnity against any claim that may be made
against CHC with respect to the Certificates  alleged to have been lost,  stolen
or destroyed.

         2.10     [Intentionally Omitted]

         2.11     Escrow of Merger Shares.  Notwithstanding the other provisions
of this  Article 2, CHC shall  deliver to the Escrow Agent that number of shares
of CHC  Stock as  equals  (a) an  amount  equal  to ten  percent  of the  Merger
Consideration  divided by (b) the  Effective  Average  Share Price (the  "Escrow
Shares").  The Escrow Shares together with any earnings on or accretions thereto
shall be held by the Escrow Agent pursuant to the terms of the Escrow Agreement.
Any CHC  Indemnified  Party (as  defined  in  Section  9.2(a)  hereof)  shall be
entitled to delivery from the Escrow Agent of such number of shares of CHC Stock
as shall  have a value  equal to the  amount  due  such  CHC  Indemnified  Party
pursuant to Article 9 hereof.  For purposes of this Section  2.11,  the value of
shares of CHC Stock so delivered to any CHC Indemnified  Party shall be equal to
the  Effective  Average  Share  Price.  Except  for Escrow  Shares  with a value
(determined  in  accordance  with this Section  2.11) equal to the amount of any
Claims  by CHC  Indemnified  Parties  that  may be  pending  at such  time,  the
Stockholders  shall be entitled to delivery  from the Escrow  Agent on the first
anniversary  of the  Closing  Date of any  Escrow  Shares  that  have  not  been
delivered to, and are not subject to outstanding Claims or required to have been
delivered to, CHC Indemnified  Parties pursuant to this Section 2.11,  Article 9
hereof or the Escrow Agreement on or prior to such date.
<PAGE>
         2.12     Stockholder Representative.

                  (a) The  parties  agree that it is  desirable  to  designate a
representative  to act on behalf of holders of the  Princeton  Stock for certain
limited purposes, as specified herein (the "Stockholder Representative").  Prior
to the Closing Date the holders of a majority of the shares of  Princeton  Stock
held in the aggregate by the  Principal  Stockholders  shall  designate a Person
reasonably  acceptable  to CHC as the initial  Stockholder  Representative,  and
approval  of  this  Agreement  by the  holders  of  the  Princeton  Stock  shall
constitute  ratification  and  approval  of such  designation.  The  Stockholder
Representative may resign at any time, and the Stockholder Representative may be
removed  by the vote of  Persons  which  collectively  own more  than 50% of the
aggregate  shares of Princeton  Stock  immediately  prior to the Effective  Time
("Majority  Holders").  In the  event  that  a  Stockholder  Representative  has
resigned or been removed, a new Stockholder Representative shall be appointed by
a vote of  Majority  Holders,  such  appointment  to become  effective  upon the
written acceptance thereof by the new Stockholder Representative.

                  (b) The Stockholder  Representative shall have such powers and
authority as are necessary to carry out the functions  assigned to it under this
Agreement;  provided,  however, that the Stockholder Representative will have no
obligation  to act on behalf of the holders of the  Princeton  Stock,  except as
expressly provided herein. Without limiting the generality of the foregoing, the
Stockholder  Representative  shall have full power,  authority and discretion to
(i) estimate and  determine  the amounts of  Stockholder  Expenses in accordance
with Section 2.13 hereof (ii) make such  determinations and take such actions as
are required to be made by the  Stockholders  with respect to the conditions and
other provisions contained in this Agreement including,  without limitation, the
provisions  of Article 9 hereof;  (iii)  exercise  such other  rights and powers
(subject to such other obligations) of the Stockholders as are set forth in this
Agreement,  the Escrow Agreement and/or the Registration  Rights Agreement,  and
(iv)  perform  its  obligations  as set forth in, and in  accordance  with,  the
Registration  Rights  Agreement  and  the  Escrow  Agreement.   The  Stockholder
Representative  will have no liability  to CHC,  Princeton or the holders of any
equity  securities  of Princeton  with respect to actions taken or omitted to be
taken in its capacity as Stockholder Representative,  except with respect to any
liability  resulting  primarily  from  the  Stockholder  Representative's  gross
negligence or willful  misconduct.  The Stockholder  Representative  will at all
times be entitled to rely on any directions received from the Majority Holders.

         2.13     Stockholder  Expenses.  On or prior to the date which is three
(3) business days prior to the Closing Date, the Stockholder Representative will
provide to CHC a  determination  of the following  fees and expenses that may be
incurred  by the  Company and the  Stockholder  Representative  on behalf of the
holders  of  shares  of  Princeton  Stock in  connection  with the  preparation,
negotiation  and  execution  of  this  Agreement  and  the  consummation  of the
transactions  contemplated  hereby:  (i) the fees and  disbursements  of outside
counsel  and  auditors to  Princeton  or any of its  Subsidiaries  and any other
agents,  consultants  and experts  specially  employed by Princeton,  any of its
Subsidiaries  and/or  the  Stockholder  Representative  in  connection  with the
transactions  contemplated  hereby,  including without  limitation,  the Persons
listed on  Schedule  2.13  hereof,  (ii)  one-half  of the fees,  if  necessary,
incurred in connection with compliance by CHC and Princeton with the HSR Act and
(iii) the expenses of the Stockholder  Representative  incurred in such capacity
(collectively,   the  "Stockholder  Expenses").  With  respect  to  the  Persons
described   in  clause  (i)  of  the   preceding   sentence,   the   Stockholder
Representative  shall  deliver to CHC along with the  statement  of  Stockholder
Expenses  the written  statement of each such Person  setting  forth the amounts
<PAGE>
payable by Princeton or any of its  Subsidiaries  to such Person with respect to
services  rendered in  connection  with the  transactions  contemplated  hereby,
whether or not any such amounts have been billed and/or paid by Princeton or any
such Subsidiary (the "Estimated Stockholder Expenses").

         2.14     Tax  Consequences.  It is intended by the parties  hereto that
the Merger  shall  constitute  a  reorganization  within the  meaning of Section
368(a) of the Code. The parties hereto hereby adopt this Agreement as a "plan of
reorganization"  within the meaning of Sections 1.368-2(g) and 1.368-3(a) of the
U.S. Treasury Regulations.

         2.15     Taking of Necessary Action;  Further Action. Each of CHC, Sub,
Princeton and each  Stockholder  will take all such reasonable  lawful action as
may be necessary or appropriate in order to effect the Merger in accordance with
this Agreement as promptly as  practicable.  If, at any time after the Effective
Time,  any such  further  action  is  necessary  or  desirable  to carry out the
purposes of this Agreement, to vest CHC with full right, title and possession to
all the property, rights,  privileges,  power and franchises of Princeton and to
vest the  Stockholders  with full  right,  title and  possession  of the  Merger
Shares,  the officers and directors of Sub, CHC and Princeton  immediately prior
to the  Effective  Time are  fully  authorized  in the name of their  respective
corporations  or otherwise to take, and will take, all such lawful and necessary
action.

                                   ARTICLE 3.

        REPRESENTATIONS AND WARRANTIES OF PRINCETON AND THE STOCKHOLDERS

         As an  inducement  of CHC to enter into this  Agreement,  Princeton and
each Principal  Stockholder  hereby makes , and each  Stockholder  that is not a
Principal Stockholder, by virtue of such Stockholder's execution and delivery of
a Transmittal Letter in accordance with Section 2.7 hereof,  makes,  jointly and
severally,  as of the date  hereof and as of the  Closing  Date,  the  following
representations  and warranties to CHC, except as otherwise set forth in written
disclosure  schedules  (the  "Schedules")  delivered  to CHC  prior  to the date
hereof,  a copy of which is  attached  hereto.  The  Schedules  are  numbered to
correspond  to the various  sections  of this  Article 3 setting  forth  certain
exceptions to the representations and warranties contained in this Article 3 and
certain  other  information  called  for by  this  Agreement.  Unless  otherwise
specified, no disclosure made in any particular Schedule shall be deemed made in
any  other  Schedule  unless  expressly  made  therein  (by  cross-reference  or
otherwise),  unless, and only to the extent,  that it would fairly be understood
to contain  information which also is applicable to another  representation  and
warranty in this Article 3.

         3.1      Organization  of Princeton.  Princeton is a  corporation  duly
organized,  validly existing and in good standing under the laws of the State of
New Jersey.  Princeton  has full  corporate  power and  authority to conduct the
Business as it is presently  being conducted and to own or lease, as applicable,
the Assets owned or leased by it.  Princeton is duly qualified to do business as
a foreign corporation and is in good standing in each jurisdiction in which such
qualification  is necessary  under  applicable law as a result of the conduct of
the Business or the ownership of its  properties  and where the failure to be so
qualified would have a Princeton  Material Adverse Effect.  Each jurisdiction in
which  Princeton  is qualified  to do business as a foreign  corporation  is set
forth in Schedule 3.1.
<PAGE>
         3.2      Capitalization of Princeton.

                  (a) As of the date of this  Agreement,  there  are  10,000,000
shares of  Princeton  Stock  authorized  under its  Articles  of  Incorporation,
820,812 of which are  issued and  outstanding.  Princeton  has no other  capital
stock authorized, issued or outstanding.  Schedule 3.2(a) sets forth the name of
each  holder of shares of  Princeton  Stock,  as well as the number of shares of
Princeton Stock held by each such holder.

                  (b) As of the  date  of  this  Agreement,  102,290  shares  of
Princeton  Stock are  reserved for  issuance  upon the  exercise of  outstanding
Princeton  Options.  Schedule  3.2(b)  sets  forth  the name of each  holder  of
Princeton Options,  as well as the number of Princeton Options held by each such
holder,  the number of Princeton  Shares for which each such Princeton Option is
exercisable,  the date upon which each such Princeton Option becomes exercisable
and the price per share of Princeton Stock for which each such Princeton  Option
is exercisable (without taking into account whether or not such Princeton Option
is in fact exercisable on the date hereof).

                  (c) Except for the Princeton Options referred to above,  there
are no outstanding options,  warrants,  convertible  securities or rights of any
kind to  purchase  or  otherwise  acquire  any shares of capital  stock or other
securities of Princeton. Except for the aggregate of 102,290 shares of Princeton
Stock reserved for issuance upon exercise of the Princeton Options, no shares of
capital stock of Princeton are reserved for issuance.

                  (d) All  outstanding  shares of  Princeton  Stock are, and any
shares of Princeton Stock issued upon exercise of any Princeton  Option will be,
validly issued,  fully paid and non-assessable and not subject to any preemptive
rights created by statute, Princeton's Certificate of Incorporation or Bylaws or
any Contract. The Princeton Options have been, and the shares of Princeton Stock
have been or will be, issued in compliance  with all federal and state corporate
and securities laws.

                  (e)  Other  than  the   transactions   contemplated   by  this
Agreement,  there is no outstanding vote, plan, pending proposal or right of any
Person to cause any redemption of Princeton Stock or the merger or consolidation
of Princeton with or into any other entity.

         3.3      Stockholders' Agreements, Etc. Except as set forth on Schedule
3.3,  there are no  stockholder  agreements,  voting  trusts,  proxies  or other
agreements or understandings with respect to or concerning the purchase, sale or
voting of the capital stock of Princeton.

         3.4      Authorization.  Princeton has all necessary corporate or other
power and authority to enter into this Agreement and the Ancillary Agreements to
which  Princeton  is a party and,  except  with  respect to the  approval of the
Merger by the holders of Princeton Stock as required by the NJBCA, has taken all
corporate or other action necessary to consummate the transactions  contemplated
hereby and thereby and to perform its obligations hereunder and thereunder. This
Agreement has been duly executed and delivered by Princeton,  and this Agreement
is, and upon  execution and delivery  each of the Ancillary  Agreements to which
Princeton  is a party  will be, a valid and  binding  obligation  of  Princeton,
enforceable  against  Princeton  in  accordance  with  its  terms,  except  that
enforceability  may be  limited  by the  effect of (a)  bankruptcy,  insolvency,
reorganization, fraudulent conveyance, moratorium or other similar laws relating
to or  affecting  the rights of creditors  or (b) general  principals  of equity
(regardless of whether enforceability is considered in a proceeding at law or in
equity).
<PAGE>
         3.5      Officers and Directors.  Schedule 3.5 contains a true, correct
and complete list of all the officers and directors of Princeton and each of its
Subsidiaries.

         3.6      Bank  Accounts.  Schedule  3.6  contains  a  list  of  all  of
Princeton's and each of its Subsidiaries' bank accounts, safe deposit boxes, and
persons authorized to draw thereon or have access thereto.

         3.7      Subsidiaries, Etc.

                  (a)  Princeton   Softech   International,   Inc.,  a  Barbados
corporation ("International") is the only Subsidiary of Princeton. International
is a corporation duly organized, validly existing and in good standing under the
laws of its  jurisdiction  of  incorporation.  International  has full corporate
power and  authority to conduct the Business as it presently is being  conducted
and  to  own or  lease,  as  applicable,  the  Assets  owned  or  leased  by it.
International  is duly qualified to do business as a foreign  corporation and is
in good standing in each  jurisdiction in which such  qualification is necessary
under applicable law as a result of the conduct of the Business or the ownership
of its  properties  and where the  failure to be so  qualified  would not have a
Material  Adverse  Effect on  Princeton.  International  is not  qualified to do
business as a foreign corporation in any jurisdiction.

                  (b) As of the date  hereof  there is an  unlimited  number  of
shares of common stock, no par value  ("International  Stock"), of International
authorized under its Certificate of  Incorporation,  100 of which are issued and
outstanding   and  are  held,   beneficially   and  of  record,   by  Princeton.
International  has no other capital  stock  authorized,  issued or  outstanding.
There are no outstanding options, warrants,  convertible securities or rights of
any kind to purchase or otherwise  acquire any shares of capital  stock or other
securities of International.  All outstanding shares of International  Stock are
validly issued,  fully paid and non-assessable and not subject to any preemptive
rights  created by statute,  International's  Certificate  of  Incorporation  or
Bylaws or any Contract.  There is no outstanding vote, plan, pending proposal or
right of any Person to cause any  redemption of  International  Stock or for the
merger or consolidation of International with or into any other entity.

         3.8      Real Property.

                  (a) General. Princeton and each of its Subsidiaries leases all
real property necessary for the conduct of its business as presently conducted.

                  (b) Owned  Real  Property.  Neither  Princeton  nor any of its
Subsidiaries owns any real property.

                  (c) Leased Real Property.  Part (c) of Schedule 3.8 sets forth
all Leases  pursuant to which  Facilities  are leased by Princeton or any of its
Subsidiaries  (as lessee),  true and correct copies of which have been delivered
to CHC.  Such  Leases  constitute  all  Leases,  subleases  or  other  occupancy
agreements  pursuant to which Princeton or any of its Subsidiaries occupy or use
Facilities.  Princeton and its Subsidiaries  have good and valid leasehold title
to, and enjoy  peaceful  and  undisturbed  possession  of,  all leased  property
described in such Leases (the "Leased Property"),  free and clear of any and all
Encumbrances  other than any Permitted  Encumbrances  which would not permit the
termination  of the Lease  therefor  by the  lessor.  With  respect to each such
parcel of Leased  Property  (i) there are no  pending  or, to the  knowledge  of
Princeton  or any  of  its  Subsidiaries,  threatened  condemnation  proceedings
relating  to, or any pending or, to the  knowledge  of  Princeton  or any of its
<PAGE>
Subsidiaries,  threatened  Actions  relating  to,  such  Leased  Property or any
portion  thereof,  (ii) none of Princeton,  any of its  Subsidiaries  or, to the
knowledge  of any of them,  any  third  party  has  entered  into any  sublease,
license, option, right, concession or other agreement or arrangement, written or
oral,  granting to any person the right to use or occupy such Leased Property or
any portion thereof or interest  therein and (iii) neither  Princeton nor any of
its  Subsidiaries  has  received  notice of any  pending or  threatened  special
assessment  relating to such Leased  Property or otherwise  has any knowledge of
any pending or  threatened  special  assessment  relating  thereto.  Each leased
Facility  is  supplied  with  utilities  necessary  for  the  operation  of such
Facility.

         With  respect to each Lease  listed on part (c) of  Schedule  3.8,  (i)
there has been no  material  default  under any such Lease by  Princeton  or any
Subsidiary party thereto or, to the knowledge of Princeton and its Subsidiaries,
by any  other  party,  (ii) the  execution,  delivery  and  performance  of this
Agreement and the Ancillary  Agreements and the consummation of the transactions
contemplated hereby and thereby will not cause a material default under any such
Lease,  (iii) such Lease is a valid and binding  obligation of Princeton or such
Subsidiary,  as the case may be, is in full  force and  effect  with  respect to
Princeton or such  Subsidiary,  as the case may be, and is  enforceable  against
Princeton or such Subsidiary,  as the case may be, in accordance with its terms,
except  as  the  enforceability   thereof  may  be  limited  by  (1)  applicable
bankruptcy,  insolvency,  moratorium,  reorganization,  fraudulent conveyance or
similar  laws in effect  which  affect  the  enforcement  of  creditors'  rights
generally  or  (2)  general  principles  of  equity,  whether  considered  in  a
proceeding  at law or in equity,  (iv) no action has been taken by  Princeton or
any Subsidiary  party thereto,  and no event has occurred which,  with notice or
lapse of time or both, would permit termination, modification or acceleration by
a party thereto other than Princeton or any Subsidiary party thereto without the
consent of  Princeton  or such  Subsidiary,  as the case may be,  under any such
Lease that is material to Princeton or such Subsidiary,  as the case may be, (v)
no party has  repudiated in writing any term thereof or threatened in writing to
terminate,  cancel or not renew any such Lease that is material to  Princeton or
any Subsidiary  party thereto and (vi) Princeton or any Subsidiary party thereto
has not assigned,  transferred,  conveyed,  mortgaged or encumbered any interest
therein or in any leased property subject thereto (or any portion thereof).

         3.9      Personal Property.

                  (a) General.  Princeton and each of its  Subsidiaries  owns or
leases all personal property Assets necessary for the conduct of its business as
presently conducted,  and the personal property Assets (taken as a whole) are in
such  operating  condition  and repair  (subject  to normal wear and tear) as is
necessary for the conduct of its business as presently conducted.

                  (b)  Owned  Personal  Property.  Princeton  and  each  of  its
Subsidiaries has good and marketable  title to all such personal  property owned
by it,  free  and  clear  of any  and  all  Encumbrances  other  than  Permitted
Encumbrances.  With respect to each such item of personal property (i) there are
no  Leases,  subleases,   licenses,   options,  rights,   concessions  or  other
agreements,  written or oral,  granting to any party or parties the right of use
of any portion of such item of personal property (except licenses of Proprietary
Rights  in the  ordinary  course of  business),  (ii)  there are no  outstanding
options or rights of first  refusal in favor of any other party to purchase  any
such item of personal  property or any portion  thereof or interest  therein and
(iii) there are no parties (other than Princeton and its  Subsidiaries)  who are
in possession of or who are using any such item of personal property.
<PAGE>
                  (c)  Leased  Personal  Property.  Princeton  and  each  of its
Subsidiaries  has good and valid  leasehold  title to all of such  Fixtures  and
Equipment,  vehicles and other tangible  personal  property  Assets leased by it
from  third  parties,  free and  clear of any and all  Encumbrances  other  than
Permitted  Encumbrances  which  would not  permit the  termination  of the lease
therefor by the lessor. Neither Princeton nor any of its Subsidiaries is a party
to any  Lease for  personal  property  involving  annual  payments  in excess of
$25,000.

         With  respect to each Lease  listed on part (c) of  Schedule  3.9,  (i)
there has been no  material  default  under any such Lease by  Princeton  or any
Subsidiary party thereto or, to the knowledge of Princeton and its Subsidiaries,
by any  other  party,  (ii) the  execution,  delivery  and  performance  of this
Agreement and the Ancillary  Agreements and the consummation of the transactions
contemplated hereby and thereby will not cause a material default under any such
Lease,  (iii) such Lease is a valid and binding  obligation of Princeton or such
Subsidiary,  as the case may be, is in full  force and  effect  with  respect to
Princeton or such  Subsidiary,  as the case may be, and is  enforceable  against
Princeton or such Subsidiary,  as the case may be, in accordance with its terms,
except  as  the  enforceability   thereof  may  be  limited  by  (1)  applicable
bankruptcy,  insolvency,  moratorium,  reorganization,  fraudulent conveyance or
similar  laws in effect  which  affect  the  enforcement  of  creditors'  rights
generally  or  (2)  general  principles  of  equity,  whether  considered  in  a
proceeding  at law or in equity,  (iv) no action has been taken by  Princeton or
any Subsidiary  party thereto,  and no event has occurred which,  with notice or
lapse of time or both, would permit termination, modification or acceleration by
a party thereto other than Princeton or any Subsidiary party thereto without the
consent of  Princeton  or such  Subsidiary,  as the case may be,  under any such
Lease that is material to Princeton or such Subsidiary,  as the case may be, (v)
no party has  repudiated in writing any term thereof or threatened in writing to
terminate,  cancel or not renew any such Lease that is material to  Princeton or
any Subsidiary  party thereto and (vi) Princeton or any Subsidiary party thereto
has not assigned,  transferred,  conveyed,  mortgaged or encumbered any interest
therein or in any leased property subject thereto (or any portion thereof).

         3.10     Environmental Matters.

                  (a) Princeton and its Subsidiaries are in material  compliance
with all Environmental Laws, including, without limitation, all Permits required
thereunder to conduct their business as currently being conducted or proposed to
be conducted.  All such Permits are listed on Schedule 3.10.  Neither  Princeton
nor any  Subsidiary has received any notice to the effect that, or otherwise has
knowledge  that,  (i)  Princeton or any  Subsidiary  is not in compliance in any
material  respect with, or is in violation  of, any such  Environmental  Laws or
Permits required  thereunder or (ii) any currently  existing  circumstances  are
likely to result in a failure of Princeton or any  Subsidiary to comply with, or
a violation by Princeton  of, any such  Environmental  Laws or Permits  required
thereunder.  Neither  Princeton nor any of its Subsidiaries has taken any action
during the previous five years that would, to the knowledge of Princeton, any of
its  Subsidiaries  or any Principal  Stockholder,  constitute a violation of any
Environmental Laws.

                  (b) There are no existing or, to the knowledge of Princeton or
any of its Subsidiaries,  potential,  Environmental  Claims against Princeton or
any of its Subsidiaries,  nor has any of them received any written  notification
or otherwise has any knowledge,  of any  allegation of any actual,  or potential
responsibility  for, or any inquiry or  investigation  regarding,  any disposal,
release  or  threatened  release  at any  location  of any  Hazardous  Substance
generated or transported by Princeton or any of its Subsidiaries.
<PAGE>
                  (c) To the knowledge of Princeton or any of its  Subsidiaries,
(i) no underground tank or other  underground  storage  receptacle for Hazardous
Substances  is  currently  located  on the  Facilities,  and there  have been no
releases of any Hazardous  Substances from any such  underground tank or related
piping  and  (ii)  there  have  been no  releases  (i.e.,  any  past or  present
releasing, spilling, leaking, pumping, pouring, emitting, emptying, discharging,
injecting, escaping, leaching, disposing, or dumping) of Hazardous Substances in
quantities exceeding the reportable quantities as defined under federal or state
law by  Princeton  or any of its  Subsidiaries  on, upon or into the  Facilities
other than those authorized by Environmental Laws including, without limitation,
the Permits required thereunder.  In addition,  to the knowledge of Princeton or
any of its Subsidiaries, there have been no such releases by Princeton or any of
its Subsidiaries' corporate predecessors and no releases in quantities exceeding
the  reportable  quantities  as defined  under federal or state law on, upon, or
into  any  real  property  in the  vicinity  of any of the  real  properties  of
Princeton  or  any  of  its   Subsidiaries   other  than  those   authorized  by
Environmental Laws which, through soil or ground water  contamination,  may have
come to be located on the properties of Princeton or any of its Subsidiaries.

                  (d) To the knowledge of Princeton or any of its  Subsidiaries,
there  are  no  PCBs  or  asbestos-containing  materials  located  at or on  the
Facilities.

                  (e) Neither  Princeton nor any of its Subsidiaries is a party,
whether  as  a  direct   signatory  or  as  successor,   assign  or  third-party
beneficiary,  or  otherwise  bound,  to any Lease or other  Contract  (excluding
insurance  policies  disclosed on the Schedules) under which Princeton or any of
its  Subsidiaries  is obligated  by or entitled to the benefits of,  directly or
indirectly, any representation, warranty, indemnification, covenant, restriction
or other undertaking concerning Environmental Conditions.

                  (f) Neither Princeton nor any of its Subsidiaries has released
any other person from any claim under any Environmental Law or waived any rights
concerning any Environmental Condition.

                  (g) There are no consent decrees,  consent orders,  judgments,
judicial or  administrative  orders or  agreements  (other than Permits) with or
liens by, any Governmental  Authority or  quasi-governmental  entity relating to
any Environmental  Law which regulate,  obligate or bind Princeton or any of its
Subsidiaries.

                  (h) Complete and accurate copies of the Environmental Reports,
as well as all other written environmental reports,  audits or assessments which
have been conducted,  either by Princeton, any of its Subsidiaries or any person
engaged  by  Princeton  or any of its  Subsidiaries  for  such  purpose,  at any
facility  owned or formerly owned by Princeton or any of its  Subsidiaries  have
been  made  available  to  CHC  and a list  of  all  such  reports,  audits  and
assessments is set forth on Schedule 3.10.

                  (i) Princeton and each of its  Subsidiaries has submitted on a
timely basis all applications for operating permits required pursuant to Title V
of the Clean Air Act, and to the knowledge of Princeton and its Subsidiaries, no
additional  capital  expenditures  will be required by  Princeton  or any of its
Subsidiaries for purposes of compliance with permitting  conditions likely to be
imposed pursuant to Title V of the Clean Air Act.
<PAGE>
         3.11     Contracts.

                   (a)  Disclosure.  Schedule  3.11 sets  forth a  complete  and
accurate list of all of the Contracts of the following categories:

                           (i)  Contracts  not made in the  ordinary  course  of
business;

                           (ii) Manufacturing or joint development agreements;

                           (iii)  License  agreements  or  royalty   agreements,
whether Princeton is the licensor or licensee thereunder;

                           (iv)  Confidentiality  and non-disclosure  agreements
(whether Princeton is the beneficiary or the obligated party thereunder);

                           (v) Customer  orders or sales  contracts  under which
the customer is to make a payment after the date hereof of $10,000 or more;

                           (vi) Research agreements;

                           (vii)  Contracts  or  commitments   involving  future
expenditures or Liabilities, actual or potential, in excess of $10,000 after the
date hereof or otherwise material to the Business or the Assets;

                           (viii)   Contracts   or   commitments   relating   to
commission arrangements with others;

                           (ix) Employment  contracts,  consulting contracts and
severance  agreements,  including Contracts (A) to employ or terminate executive
officers or other  personnel and other contracts with present or former officers
or  directors  of  Princeton  or (B) that will  result in the payment by, or the
creation of any  Liability  of  Princeton,  the  Stockholders  or CHC to pay any
severance,  termination,  "golden  parachute," or other similar  payments to any
present or former personnel following  termination of employment or otherwise as
a result of the consummation of the transactions contemplated by this Agreement;

                           (x) Indemnification agreements;

                           (xi) Promissory notes, loans, agreements, indentures,
evidences of indebtedness,  letters of credit,  guarantees, or other instruments
relating  to an  obligation  to  pay  money,  whether  Princeton  or  any of its
Subsidiaries shall be the borrower,  lender or guarantor  thereunder  (excluding
credit  provided by Princeton or any of its  Subsidiaries in the ordinary course
of business to purchasers of its products and  obligations to pay vendors in the
ordinary course of business and consistent with past practice);

                           (xii)  Contracts  containing  covenants  limiting the
freedom of  Princeton,  or any of its  Subsidiaries  or any  officer,  director,
Employee or Affiliate of Princeton or any of its Subsidiaries,  to engage in any
line of business or compete with any Person that relates  directly or indirectly
to the Business;

                           (xiii) Any Contract with the federal,  state or local
government or any agency or department thereof;

                           (xiv) Any Contract with a Related Party;
<PAGE>
                           (xv)  Leases of real or personal  property  involving
annual payments of more than $10,000; and

                           (xvi) Any other Contract under which the consequences
of a default or  termination  would  reasonably  be  expected to have a Material
Adverse Effect on Princeton, individually or in the aggregate.

         Complete and accurate copies of all of the Contracts listed on Schedule
3.11, including all amendments and supplements thereto, have been made available
to CHC.  Princeton  has included as part of Schedule 3.11 a brief summary of the
material terms of each oral Contract.

                  (b)  Absence  of  Defaults.  All of the  Contracts  are valid,
binding and  enforceable in accordance  with their terms with no existing (or to
the  knowledge of  Princeton,  any of its  Subsidiaries  or any of the Principal
Stockholders,  threatened) Default or dispute. Princeton has fulfilled, or taken
all action  necessary  to enable it to  fulfill  when due,  all of its  material
obligations under each of such Contracts. To the knowledge of Princeton,  any of
its  Subsidiaries  or any of the  Principal  Stockholders,  all  parties to such
Contracts have complied in all material respects with the provisions thereof, no
party is in Default  thereunder  and no notice of any claim of Default  has been
given  to  Princeton,   any  of  its   Subsidiaries  or  any  of  the  Principal
Stockholders.  None  of  the  Principal  Stockholders,  Princeton  or any of its
Subsidiaries  or any of its  Subsidiaries  has any  reason to  believe  that the
products or services called for by any executory  Contract cannot be supplied in
accordance with the terms of such Contract,  including time specifications,  and
has no reason to believe that any unfinished  Contract will, upon performance by
Princeton or any of its Subsidiaries result in a loss to Princeton or any of its
Subsidiaries.

                  (c)  Product  Warranty.  Neither  Princeton  nor  any  of  its
Subsidiaries  has committed  any act, and there has been no omission,  which may
result  in,  and there has been no  occurrence  which may give rise to,  product
liability or Liability for breach of warranty  (whether  covered by insurance or
not) on the  part of  Princeton  or any of its  Subsidiaries,  with  respect  to
products  designed,   manufactured,   assembled,  sold,  repaired,   maintained,
delivered or installed or services rendered prior to or on the Closing Date.

         3.12     No Conflict  or  Violation;  Consents.  Except as set forth on
Schedule 3.12, none of the execution,  delivery or performance of this Agreement
or any Ancillary  Agreement,  the consummation of the transactions  contemplated
hereby or thereby, nor compliance by Princeton or any Principal Stockholder with
any of the provisions  hereof or thereof,  will (a) violate or conflict with any
provisionof the governing documents of Princeton, any of its Subsidiaries or any
Principal Stockholder,  (b) violate,  conflict with, or result in a breach of or
constitute  a default  (with or without  notice of passage  of time)  under,  or
result in the  termination  of, or accelerate  the  performance  required by, or
result in a right to terminate, accelerate, modify or cancel under, or require a
notice  under,  or result in the  creation  of any  Encumbrance  upon any of its
respective assets under, any Contract,  lease,  sublease,  license,  sublicense,
franchise,  permit,  indenture,   agreement  or  mortgage  for  borrowed  money,
instrument of  indebtedness,  security  interest or other  arrangement  to which
Princeton, any of its Subsidiaries or any Principal Stockholder is a party or by
which Princeton,  any of its Subsidiaries or any Principal  Stockholder is bound
or to which any of its respective assets are subject, (c) violate any applicable
Regulation  or Court  Order or (d) impose any  Encumbrance  on any Assets or the
Business.  Except as set forth on Schedule  3.12,  no notices  to,  declaration,
<PAGE>
filing or  registration  with,  approvals or Consents of, or assignments by, any
Persons  (including any federal,  state or local  governmental or administrative
authorities)  are  necessary  to be made or  obtained by  Princeton,  any of its
Subsidiaries  or any Principal  Stockholder  in connection  with the  execution,
delivery or  performance  of this  Agreement or any  Ancillary  Agreement or the
consummation of the transactions contemplated hereby or thereby.

         3.13     Permits.  Schedule  3.13  sets  forth a  complete  list of all
material Permits,  all of which are as of the date hereof, and will be as of the
Closing Date, in full force and effect. Princeton has, and at all times has had,
all material Permits  required under any applicable  Regulation in its operation
of the Business or in its  ownership of the Assets,  and owns or possesses  such
Permits free and clear of all  Encumbrances.  Neither  Princeton  nor any of its
Subsidiaries is in default,  nor has Princeton,  any of its  Subsidiaries or any
Principal  Stockholder received any notice of any claim of default, with respect
to any such Permit.  Except as  otherwise  governed by law, all such Permits are
renewable by their terms or in the ordinary course of business  without the need
to comply with any special qualification  procedures or to pay any amounts other
than routine filing fees and,  except as set forth on Schedule 3.13, will not be
adversely  affected by the completion of the  transactions  contemplated by this
Agreement or the Ancillary Agreements.

         3.14     Financial  Statements;  Books and Records.  (a) The  Financial
Statements are complete,  are in accordance  with the Books and Records,  fairly
present  the  Assets and  Liabilities  of  Princeton  and its  Subsidiaries  and
financial  condition and results of operations  indicated  thereby in accordance
with GAAP consistently applied throughout the periods covered thereby.

                  (b) Princeton and each of its Subsidiaries  maintains a system
of internal accounting controls sufficient to provide reasonable  assurance that
(i)   transactions   are  executed  with   management's   authorizations,   (ii)
transactions  are  recorded as  necessary  to permit  preparation  of  financial
statements in accordance  with GAAP and to maintain  accountability  for assets,
(iii)  access  to assets  is  permitted  only in  accordance  with  management's
authorization and (iv) the recorded  accountability  for assets is compared with
existing  assets at reasonable  intervals and  appropriate  action is taken with
respect to any differences.

                  (c) The Books and Records,  in reasonable  detail,  accurately
and fairly  reflect the  activities  of Princeton and the Business and have been
provided to CHC for its inspection.

                  (d) Neither  Princeton nor any of its Subsidiaries has engaged
in any  transaction,  maintained  any bank account or used any  corporate  funds
except  for  transactions,  bank  accounts  or  funds  which  have  been and are
reflected in the normally maintained Books and Records.

                  (e) The stock  records and minute books of Princeton  and each
of its Subsidiaries  that are made available to CHC fully reflect all minutes of
meetings,  resolutions  and other  material  actions  and  proceedings  of their
respective  stockholders and boards of directors and all committees thereof, all
issuances,  transfers and redemptions of capital stock of which  Princeton,  its
Subsidiaries or the Principal  Stockholders are aware and contain true,  correct
and complete copies of their respective Articles of Incorporation and Bylaws and
all amendments thereto through the date hereof.

         3.15     Absence of Certain  Changes or Events.  Except as set forth on
Schedule 3.15, since the Balance Sheet Date there has not been any:
<PAGE>
                  (a) Material Adverse Change with respect to Princeton;

                  (b) failure to operate the Business in the ordinary  course so
as to use its  commercially  reasonable  efforts to preserve the Business intact
and to preserve  the  continued  services of its  Employees  and the goodwill of
suppliers,  customers and others having business relations with Princeton any of
its Subsidiaries or their respective Representatives;

                  (c) resignation or termination of any officer or Employee, or,
except as set forth the Salary Table,  any increase in the rate of  compensation
payable or to become  payable to any  officer,  Employee  or  Representative  of
Princeton or any of its  Subsidiaries,  including  the making of any loan to, or
the  payment,  grant or accrual of any bonus,  incentive  compensation,  service
award or  other  similar  benefit  to,  any such  Person,  or the  addition  to,
modification of, or contribution to any Employee Plan (as defined below);

                  (d)  payment,  loan or  advance of any amount to or in respect
of,  or the sale,  transfer  or lease of any  properties  or the  Assets  to, or
entering  into of any Contract  with,  any Related  Party except (i)  directors'
fees, (ii) compensation to Employees at the rates disclosed  pursuant to Section
3.18(d) and (iii) forgiveness of loans in the amounts and to the individuals set
forth on Schedule 3.15;

                  (e) sale, assignment,  license, transfer or Encumbrance of any
of the Assets,  tangible or intangible,  singly or in the aggregate,  other than
sales of products and services in the ordinary course of business and consistent
with past practice;

                  (f) new Contracts, or extensions, modifications,  terminations
or renewals thereof,  except for Contracts entered into,  modified or terminated
in the ordinary course of business and consistent with past practice;

                  (g) actual or threatened  termination of any material customer
account or group of  accounts  or actual or  threatened  material  reduction  in
purchases or royalties  payable by any such  customer or occurrence of any event
that is likely to result in any such termination or reduction;

                  (h)  disposition  or  lapsing  of any  Proprietary  Rights  of
Princeton or any of its Subsidiaries,  in whole or in part, or any disclosure of
any trade secret, process or know-how to any Person not an Employee;

                  (i)  change in accounting methods or practices by Princeton or
any of its Subsidiaries;

                  (j) revaluation by Princeton or any of its Subsidiaries of any
of the Assets, including writing off notes or accounts receivable other than for
which adequate reserves have been established;

                  (k)  damage,  destruction  or loss  (whether or not covered by
insurance)  materially  adversely  affecting  the  Assets,  the  Business or the
prospects of Princeton or any of its Subsidiaries;

                  (l)  declaration,  setting  aside or payment of  dividends  or
distributions  in  respect  of any  capital  stock  of  Princeton  or any of its
Subsidiaries  or any  redemption,  purchase or other  acquisition  of any equity
securities of Princeton or any of its Subsidiaries;
<PAGE>
                  (m) issuance or  reservation  for issuance by Princeton or any
of its  Subsidiaries  of, or  commitment of it to issue or reserve for issuance,
any  shares of  capital  stock or other  equity  securities  or  obligations  or
securities convertible into or exchangeable for shares of capital stock or other
equity securities;

                  (n)  increase,  decrease  or  reclassification  of the capital
stock of Princeton or any of its Subsidiaries;

                  (o) amendment of the Certificate of Incorporation or Bylaws of
Princeton or any of its Subsidiaries;

                  (p)  capital  expenditure  or  execution  of any  lease or any
incurring  of  liability  therefor  by  Princeton  or any  of its  Subsidiaries,
involving payments in excess of $10,000 in the aggregate;

                  (q) failure to pay any material obligation of Princeton or any
of its Subsidiaries when due;

                  (r)  cancellation of any  indebtedness or waiver of any rights
of  substantial  value to  Princeton or any of its  Subsidiaries,  except in the
ordinary course of business and consistent with past practice;

                  (s)   indebtedness   incurred  by  Princeton  or  any  of  its
Subsidiaries  for borrowed  money or any commitment to borrow money entered into
by Princeton or any of its Subsidiaries,  or any loans made or agreed to be made
by Princeton or any of its Subsidiaries;

                  (t) liability incurred by Princeton or any of its Subsidiaries
except in the ordinary course of business and consistent with past practice,  or
any increase or change in any  assumptions  underlying or methods of calculating
any bad debt, contingency or other reserves;

                  (u) payment,  discharge or  satisfaction of any Liabilities of
Princeton  or any of its  Subsidiaries  other  than the  payment,  discharge  or
satisfaction  in the  ordinary  course  of  business  and  consistent  with past
practice  of  Liabilities   reflected  or  reserved  against  in  the  Financial
Statements or incurred in the ordinary  course of business and  consistent  with
past practice since the Balance Sheet Date;

                  (v) acquisition of any equity interest in any other Person; or

                  (w)  agreement by Princeton or any of its  Subsidiaries  to do
any of the foregoing.

         3.16     Liabilities. Neither Princeton nor any of its Subsidiaries has
any  Liabilities or  obligations  (absolute,  accrued,  contingent or otherwise)
except (i) Liabilities  which are reflected and properly reserved against in the
Financial  Statements,  (ii)  Liabilities  incurred  in the  ordinary  course of
business and consistent  with past practice since the Balance Sheet Date (all of
which  liabilities do not exceed $50,000 in the aggregate) and (iii) liabilities
arising under the  Contracts  (other than  obligations  which are required to be
reflected  on a balance  sheet  prepared in  accordance  with GAAP) set forth on
Schedule  3.11 or which are not required to be  disclosed  on such  Schedule and
which have arisen or been incurred in the ordinary  course of business.  None of
the  Liabilities  described  in this  Section  3.16  relates  to any  breach  of
Contract,  breach of warranty,  tort,  infringement or violation of law or arose
out of any action,  order writ,  injunction,  judgment or decree  outstanding or
<PAGE>
claim, suit,  litigation,  proceeding,  investigation or dispute  (collectively,
"Actions").  The reserves  set forth on the Balance  Sheet for  liabilities  are
reasonable.

         3.17     Litigation.  There is no Action,  pending or, to the knowledge
of Princeton,  any of its Subsidiaries or any Principal Stockholder,  threatened
or  anticipated  (i)  against,  relating to or affecting  Princeton,  any of its
Subsidiaries,  any  of  the  Assets  or any of  their  respective  officers  and
directors  as such,  (ii) which seeks to enjoin or obtain  damages in respect of
the  transactions  contemplated  hereby or by the Ancillary  Agreements or (iii)
with respect to which there is a reasonable  likelihood of a determination which
would  prevent  Princeton  or any  of the  Stockholders  from  consummating  the
transactions  contemplated  hereby.  To the knowledge of  Princeton,  any of its
Subsidiaries  or any  Principal  Stockholder,  there is no basis for any Action,
which if adversely  determined  against any Stockholder,  Princeton,  any of its
Subsidiaries,  their respective directors or officers, or any other Person could
reasonably  be  expected  to  result  in  a  loss  to  Princeton,   any  of  its
Subsidiaries,  or any of its Subsidiaries,  individually or in the aggregate, in
excess of $10,000.  There are  presently no  outstanding  judgments,  decrees or
orders of any court or any  governmental  or  administrative  agency  against or
affecting Princeton, any of its Subsidiaries, the Business or any of the Assets.
Schedule 3.17 contains a complete and accurate  description of all Actions since
December 31, 1993 to which Princeton or any of its Subsidiaries has been a party
or which relate to any of the Assets or their  respective  officers or directors
as such,  or any such Actions  which were settled  prior to the  institution  of
formal  proceedings,  other  than  Actions  brought by  Princeton  or any of its
Subsidiaries  for collection of monies owed in the ordinary  course of business.
No  representation  is made in this Section 3.17 with respect to matters covered
in Section 3.23 (Tax matters).

         3.18     Labor Matters.

                  (a)  Schedule  3.18  contains  a complete  list of  Employees.
Neither  Princeton nor any of its Subsidiaries is a party to any labor agreement
with respect to its Employees with any labor organization,  group or association
and has not experienced any attempt by organized labor or its representatives to
make Princeton or any of its Subsidiaries  conform to demands of organized labor
relating to its Employees or to enter into a binding  agreement  with  organized
labor that would cover the  Employees of  Princeton or any of its  Subsidiaries.
There is no unfair labor practice charge or complaint  against  Princeton or any
of its  Subsidiaries  pending before the National Labor  Relations  Board or any
other  governmental  agency arising out of Princeton's or any such  Subsidiary's
activities,  and none of  Princeton,  any of its  Subsidiaries  or any Principal
Stockholder has any knowledge of any facts or information  which would give rise
thereto;  there is no labor strike or labor  disturbance  pending or  threatened
against  Princeton or any of its  Subsidiaries  nor is any  grievance  currently
being asserted against it; and neither Princeton nor any of its Subsidiaries has
experienced  a work  stoppage or other labor  difficulty.  There are no material
controversies pending or, to the knowledge of Princeton, any of its Subsidiaries
or  any  Principal  Stockholder,  threatened  between  Princeton  or  any of its
Subsidiaries and any of their respective Employees,  and none of Princeton,  any
of its  Subsidiaries  or any Principal  Stockholder  is aware of any facts which
could reasonably result in any such controversy.

                  (b)  Princeton  and its  Subsidiaries  are  each  in  material
compliance  with all applicable  Regulations  respecting  employment  practices,
terms  and  conditions  of  employment,   wages  and  hours,   equal  employment
<PAGE>
opportunity,  and the payment of social security and similar taxes,  and none of
them are engaged in any unfair labor practice.  Neither Princeton nor any of its
Subsidiaries  is liable for any claims for past due wages or any  penalties  for
failure to comply with any of the foregoing.

                  (c) Except with respect to the employment agreements set forth
on Attachment A to Schedule 3.11 (the "Existing Employment Agreements"), neither
Princeton nor any of its  Subsidiaries has entered into any severance or similar
arrangement in respect of any present or former Employee that will result in any
obligation (absolute or contingent) of CHC, Princeton or any of its Subsidiaries
to make any payment to any present or former Employee  following  termination of
employment  or  upon  consummation  of the  transactions  contemplated  by  this
Agreement. Neither the execution and delivery of this Agreement or any Ancillary
Agreement  nor the  consummation  of the  transactions  contemplated  hereby  or
thereby  will result in the  acceleration  or vesting of any other rights of any
Person to benefits under any Employee Plans.

                  (d) Attached hereto as Schedule 3.18 is a list of the names of
all present Employees. Princeton has provided CHC with a table setting forth the
current  salary or hourly wages and other  compensation  payable by Princeton or
any of its Subsidiaries to each of such Employees (the "Salary Table").

         3.19     Employee  Benefit Plans. (a) Schedule 3.19 contains a complete
list of  Employee  Plans.  True and  complete  copies  of each of the  following
documents  have been delivered by Princeton to CHC: (i) each Employee Plan (and,
if  applicable,  related trust  agreements,  annuity  contracts or other funding
instruments)  which  covers or has covered  employees of Princeton or any of its
Subsidiaries  (with respect to their  relationship  with Princeton or any of its
Subsidiaries) and all amendments thereto, all summary plan descriptions, summary
of material modifications (as defined in ERISA) and all written  interpretations
and descriptions  thereof which Princeton or any of its  Subsidiaries  generally
has distributed to participants therein, the number of and a general description
of the level of  employees  covered by each Benefit  Arrangement  and a complete
description  of any Employee Plan which is not in writing,  (ii) the most recent
determination  letter  issued by the  Internal  Revenue  Service and any opinion
letter  issued by the  Department of Labor with respect to each Pension Plan and
each  voluntary  employees'  beneficiary  association  as defined  under Section
501(c)(9)  of the Code (other  than a  Multiemployer  Plan) which  covers or has
covered employees of Princeton or any of its Subsidiaries (with respect to their
relationship  with  Princeton or any of its  Subsidiaries),  (iii) for the three
most recent plan years,  Annual Reports on Form 5500 Series required to be filed
with any governmental  agency for each Pension Plan or Welfare Plan which covers
or has covered  employees of Princeton or any of its Subsidiaries  (with respect
to their  relationship  with  Princeton  or any of its  Subsidiaries),  (iv) all
actuarial  reports  prepared for the last three plan years for each Pension Plan
which covers or has covered  employees  of Princeton or any of its  Subsidiaries
(with respect to their  relationship with Princeton or any of its Subsidiaries),
and (v) a description  setting forth the amount of any liability of Princeton or
any of its  Subsidiaries  as of the Closing Date for  payments  more than thirty
(30) calendar days past due with respect to any Welfare Plan.

                  (b)

                           (i)      Pension Plans.

                                    (A)  No  Pension  Plan  is  subject  to  the
minimum funding  requirements of ERISA. As of the last day of the last plan year
of each Pension Plan and as of the Closing Date, the "amount of unfunded benefit
liabilities" as defined in Section  4001(a)(18) of ERISA (but excluding from the
<PAGE>
definition  of "current  value" of "assets" of such  Pension  Plan,  accrued but
unpaid contributions) did not and will not exceed zero. None of Princeton or any
ERISA  Affiliate has engaged in, or is a successor or parent  corporation  to an
entity that has engaged in, a  transaction  described  in Section 4069 of ERISA.
None of Princeton or any ERISA Affiliate has, at any time, (1) ceased operations
at a facility so as to become  subject to the  provisions of Section  4062(e) of
ERISA,  (2) withdrawn as a substantial  employer so as to become  subject to the
provisions of Section 4063 of ERISA,  or (3) ceased making  contributions  on or
before the Closing Date to any Pension Plan subject to Section  4064(a) of ERISA
to which  Princeton or any ERISA  Affiliate  made  contributions  during the six
years prior to the Closing Date.

                                    (B) Each Pension Plan and each related trust
agreement,  annuity  contract or other  funding  instrument  which covers or has
covered  employees or former  employees of Princeton or any of its  Subsidiaries
(with respect to their  relationship  with Princeton or any of its Subsidiaries)
which  has been  operated  as a  qualified  plan (1) has  received  a  favorable
determination  letter (or is not required under applicable law to have received)
from the  Internal  Revenue  Service  stating  that such  Pension  Plan and each
related trust is qualified and tax-exempt  under the provisions of Code Sections
401(a)  and  501(a) and (2) has been so  qualified  during  the period  from its
adoption to the date of such determination letter.

                                    (C) Each Pension Plan and each related trust
agreement,  annuity  contract or other  funding  instrument  which covers or has
covered  employees or former  employees of Princeton or any of its  Subsidiaries
(with respect to their  relationship  with Princeton or any of its Subsidiaries)
currently  complies  in  all  material  respects  and  has  been  maintained  in
compliance  in all material  respects with its terms and, both as to form and in
operation,  with the  requirements  prescribed by any and all statutes,  orders,
rules and  regulations  which are applicable to such plans,  including,  without
limitation, ERISA and the Code.

                           (ii)     Multiemployer  Plans.  Neither Princeton nor
any ERISA Affiliate has any liability with respect to a Multiemployer  Plan, and
no liability will arise or be imposed on Princeton or any ERISA Affiliate under,
or with respect to, any Multiemployer Plan.

                           (iii)    Welfare Plans.

                                    (A) Each  Welfare  Plan which  covers or has
covered  employees or former  employees of Princeton or any of its  Subsidiaries
(with respect to their  relationship  with Princeton or any of its Subsidiaries)
currently  complies  in  all  material  respects  and  has  been  maintained  in
compliance  in all  material  respects  with its terms and,  both as to form and
operation,  with the  requirements  prescribed by any and all statutes,  orders,
rules and  regulations  which are  applicable to such Welfare  Plan,  including,
without limitation, ERISA and the Code.

                                    (B) Except as required  by Section  4980B of
the Code or Part 6 of Title 1, Subtitle B of ERISA, none of Princeton, any ERISA
Affiliate or any Welfare Plan has any present or future  obligation  to make any
payment to, or with  respect to any present or former  employee of  Princeton or
any ERISA  Affiliate  pursuant to, any retiree  medical  benefit  plan, or other
retiree Welfare Plan, and no condition  exists which would prevent  Princeton or
an ERISA  Affiliate from amending or  terminating  any such benefit plan or such
Welfare Plan.
<PAGE>
                                    (C) Each  Welfare  Plan which  covers or has
covered  employees or former  employees of Princeton or any of its  Subsidiaries
(with respect to their  relationship  with Princeton or any of its Subsidiaries)
and which is a "group  health  plan," as  defined  in  Section  607(1) of ERISA,
presently  complies  in all  material  respects  with and has been  operated  in
compliance  in all  material  respects  with  provisions  of Part 6 of  Title I,
Subtitle B of ERISA and Sections 162(k) and 4980B of the Code at all times.

                                    (D) Neither Princeton or any ERISA Affiliate
has, at any time,  maintained,  contributed to or had any obligation to maintain
or contribute to any Welfare Plan that is a "multiemployer  plan," as defined in
Section 3(37) of ERISA.

                                    (E) The insurance  policies or other funding
instruments,  if any, for each Welfare Plan provide  coverage for each employee,
consultant,  independent  contractor  or  retiree  of  Princeton  or  any of its
Subsidiaries  (and, if applicable,  their  respective  dependents)  who has been
advised by Princeton  or any of its  Subsidiaries,  whether  through an Employee
Plan or otherwise, that he or she is covered by such Welfare Plan.

                           (iv)     Benefit    Arrangements.     Each    Benefit
Arrangement  presently  complies and has been  maintained  in  compliance in all
material respects with its terms and with the requirements prescribed by any and
all statutes, orders, rules and regulations which are applicable to such Benefit
Arrangement,  including, without limitation, the Code. Except as provided by law
or in any employment  agreement set forth on Schedule 3.19 or the Employment and
Non-Compete  Agreements,  the  employment of all persons  presently  employed or
retained by Princeton or any of its Subsidiaries is terminable at will.

                           (v)      Unrelated  Business  Taxable Income;  Unpaid
Contributions.  No Employee  Plan (or trust or other  funding  vehicle  pursuant
thereto) has incurred any liability  under Code Section 511.  Neither  Princeton
nor any ERISA Affiliate has any liability for unpaid contributions under Section
515 of ERISA with respect to any Employee Plan.

                           (vi)     Deductibility  of  Payments.   There  is  no
contract,  agreement,  plan or  arrangement  covering  any  employee  or  former
employee  of  Princeton  or  any of  its  Subsidiaries  (with  respect  to  such
employee's  relationship  with  Princeton  or  any of  its  Subsidiaries)  that,
individually  or  collectively,  requires the payment by Princeton or any of its
Subsidiaries of any amount (i) that is not deductible under Section 162(a)(1) or
404 of the  Code or (ii)  that is an  "excess  parachute  payment"  pursuant  to
Section 280G of the Code.

                           (vii)    Fiduciary      Duties     and     Prohibited
Transactions.  None of Princeton,  any of its Subsidiaries or any plan fiduciary
of any Welfare  Plan or Pension  Plan has engaged  in, or has any  liability  in
respect of, any  transaction in violation of Sections 404 or 406 of ERISA or any
"prohibited  transaction,"  as defined in Section  4975(c)(1)  of the Code,  for
which no exemption  exists under  Section 408 of ERISA or Section  4975(c)(2) or
(d) of the Code, or has otherwise  violated the provisions of Part 4 of Title I,
Subtitle B of ERISA so as to create any  liability  of  Princeton  or any of its
Subsidiaries  or any Employee  Plan.  Princeton  and its  Subsidiaries  have not
participated  in a  violation  of Part 4 of Title I,  Subtitle B of ERISA by any
plan  fiduciary  of any Welfare  Plan or Pension  Plan,  and  Princeton  and its
Subsidiaries  have not been assessed any civil  penalty under Section  502(l) of
ERISA.
<PAGE>
                           (viii)   Litigation. There is no action, order, writ,
injunction,  judgment or decree  outstanding or claim (other than routine claims
for   benefits),   suit,   litigation,   proceeding,   arbitration   proceeding,
governmental  audit or  investigation  relating to or seeking benefits under any
Employee  Plan that is pending or, to the  knowledge  of Princeton or any of its
Subsidiaries,  anticipated or threatened against Princeton,  any ERISA Affiliate
or any Employee Plan.

                           (ix)     No  Amendments.  Neither  Princeton  nor any

ERISA  Affiliate has announced to employees,  former  employees,  consultants or
directors  an  intention  to  create,  or  otherwisecreated,  a legally  binding
commitment  to adopt any  additional  Employee  Plan which is  intended to cover
employees or former  employees of  Princeton  or any of its  Subsidiaries  (with
respect to their  relationship  with Princeton or any of its Subsidiaries) or to
amend or modify any existing Employee Plan which covers or has covered employees
or former  employees of Princeton or any of its  Subsidiaries  (with  respect to
their relationship with Princeton or any of its Subsidiaries).

                           (x)      Insurance Contracts.  None of Princeton, any
or its Subsidiaries or any Employee Plan (other than a Multiemployer Plan) holds
as an  asset  of  any  Employee  Plan  any  interest  in any  annuity  contract,
guaranteed  investment  contract or any other  investment or insurance  contract
issued  by  an   insurance   company   that  is  the   subject  of   bankruptcy,
conservatorship or rehabilitation proceedings.

                           (xi)     No   Acceleration  or  Creation  of  Rights.
Except with respect to the Existing Employment Agreements, neither the execution
and delivery of this Agreement or the Ancillary  Agreements by Princeton nor the
consummation of the transactions contemplated hereby or the related transactions
will  result in the  acceleration  or  creation  of any  rights of any person to
benefits  under  any  Employee  Plan   (including,   without   limitation,   the
acceleration  of the  vesting  or  exercisability  of  any  stock  options,  the
acceleration  of the vesting of any restricted  stock,  the  acceleration of the
accrual or vesting of any benefits under any Pension Plan or the acceleration or
creation  of any  rights  under any  severance,  parachute  or change in control
agreement).

                           (xii)    No Other  Material  Liability.  No event has
occurred in connection  with which  Princeton,  any of its  Subsidiaries  or any
Employee  Plan,  directly  or  indirectly,  could  be  subject  to any  material
liability (A) under any statute,  regulation or  governmental  order relating to
any Employee  Plan or (B) pursuant to any  obligation of Princeton or any of its
Subsidiaries to indemnify any person against  liability  incurred under any such
statute, regulation or order as they relate to the Employee Plans.

                           (xiii)   Severance Arrangements.  Except with respect
to the  Existing  Employment  Agreements  and  the  Employment  and  Non-Compete
Agreements,  neither  Princeton  nor any of its  Subsidiaries  is a party to any
severance or similar arrangement in respect of any Employees that will result in
any obligation (absolute or contingent) of Princeton, any of its Subsidiaries or
CHC after the Closing to make any payment to any of such Employees following the
consummation of the  transactions  contemplated by this Agreement or termination
of employment.

         3.20     Transactions  with  Related  Parties.  Except  for  employment
agreements and other  compensation  arrangements  disclosed on Schedule 3.20, to
the  knowledge  of  Princeton,   any  of  its   Subsidiaries  or  any  Principal
Stockholder, no Related Party has (a) borrowed or loaned money or other property
<PAGE>
to Princeton or any of its  Subsidiaries  which has not been repaid or returned,
(b) any contractual or other claims,  express or implied, of any kind whatsoever
against Princeton or any of its Subsidiaries or (c) any interest in any property
used by Princeton or any of its Subsidiaries.

         3.21     Compliance  with Law.  Princeton and each of its  Subsidiaries
has  conducted  the  Business  in  material   compliance   with  all  applicable
Regulations and Court Orders. Neither Princeton, any of its Subsidiaries nor any
Principal  Stockholder  has  received  any  notice to the  effect  that,  or has
otherwise  been advised  that,  Princeton or any of its  Subsidiaries  is not in
compliance with any such Regulations or Court Orders, and none of Princeton, any
of its  Subsidiaries  or any Principal  Stockholder has any reason to anticipate
that any existing  circumstances are likely to result in any material  violation
of any of the foregoing.

         3.22     Intellectual Property.

                    (a)  General.  Schedule  3.22 sets  forth  with  respect  to
Proprietary  Rights of Princeton and its  Subsidiaries:  (i) for each patent and
patent application,  including petty patents and utility models and applications
therefor, as applicable,  the number, normal expiration date, title and priority
information  for each  country in which such  patent  has been  issued,  or, the
application  number,  date of filing,  title and priority  information  for each
country,  (ii) for each  trademark,  tradename or service  mark,  whether or not
registered,  the date first used, the application  serial number or registration
number,  the class of goods  covered,  the nature of the goods or services,  the
countries  in which the names or mark is used and the  expiration  date for each
country in which a trademark has been  registered,  (iii) for each copyright for
which  registration  has been  sought,  whether or not  registered,  the date of
creation and first  publication of the work, the number and date of registration
for each country in which a copyright application has been registered,  (iv) for
each  mask  work,  whether  or not  registered,  the  date of  first  commercial
exploitation   and  if  registered,   the   registration   number  and  date  of
registration,  (v) a  description  of  all  Trade  Secrets  and  (vi)  all  such
Proprietary  Rights  in the form of  licenses.  True and  correct  copies of all
Proprietary  Rights  (including all pending  applications,  application  related
documents and materials and written materials  relating to Trade Secrets) owned,
controlled or used by or on behalf of Princeton or any of its Subsidiaries or in
which Princeton or any of its Subsidiaries has any interest whatsoever have been
provided or made available to CHC.

                  (b)  Adequacy.  The  Proprietary  Rights of Princeton  and its
Subsidiaries  are all those  necessary for the normal conduct of the Business as
presently  conducted  and  as  presently  contemplated,  including  the  design,
manufacture and sale of all products  currently under  development,  planned for
development or in production.

                  (c)  Royalties  and  Licenses.  Except  with  respect  to  the
Existing  Employment  Agreements,  neither Princeton nor any of its Subsidiaries
has  any  obligation  to  compensate  any  Person  for  the  use  of  any of its
Proprietary Rights nor, except in the ordinary course of business, has Princeton
or any of its  Subsidiaries  granted to any Person any license,  option or other
rights to use in any manner any of its Proprietary Rights, whether requiring the
payment of royalties or not.

                  (d) Ownership.  Princeton and each of its Subsidiaries owns or
has a valid right to use its Proprietary  Rights,  and such  Proprietary  Rights
will not cease to be valid rights of Princeton or any such  Subsidiary by reason
<PAGE>
of the  execution,  delivery and  performance of this Agreement or the Ancillary
Agreements  or the  consummation  of the  transactions  contemplated  hereby  or
thereby.  The patents are valid and in full force and effect and are not subject
to any fines,  maintenance  fees or Actions falling due within 90 days after the
Closing Date.

                  (e)  Absence  of  Claims.  None  of  Princeton,   any  of  its
Subsidiaries or any Principal  Stockholder (A) has received any notice alleging,
or otherwise  has  knowledge of facts that might give rise to,  invalidity  with
respect to any of the  Proprietary  Rights of Princeton and its  Subsidiaries or
(B) has received any notice of alleged  infringement of any rights of others due
to any  activity  by  Princeton  or any such  Subsidiary.  To the  knowledge  of
Princeton,  any of its Subsidiaries or any Stockholder,  Princeton's or any such
Subsidiary's  use of its  Proprietary  Rights in its past,  current  and planned
products  do not and would not  infringe  upon or  otherwise  violate  the valid
rights of any  third  party  anywhere  in the  world.  No other  Person  (i) has
notified Princeton, any of its Subsidiaries or any Principal Stockholder that it
is claiming  any  ownership  of or right to use any of  Princeton's  or any such
Subsidiary's  Proprietary  Rights or (ii) to the knowledge of Princeton,  any of
its  Subsidiaries or any  Stockholder,  is infringing upon any such  Proprietary
Rights in any way.

                  (f)  Protection  of  Proprietary  Rights.  All of the  pending
applications for Princeton's or any such  Subsidiary's  Proprietary  Rights have
been duly filed and all other  actions to protect such  Proprietary  Rights have
been taken.  Princeton and each of its  Subsidiaries  has taken reasonable steps
necessary or appropriate (including,  entering into appropriate  confidentiality
and   nondisclosure   agreements  with  officers,   directors,   subcontractors,
Employees,  licensees  and  customers  in  connection  with  the  Assets  or the
Business) to safeguard and maintain the secrecy and  confidentiality of, and the
proprietary rights in, the Proprietary Rights that are material to the Business.
None of Princeton,  any of its  Subsidiaries  or any Principal  Stockholder  has
knowledge of any breach of any such  confidentiality or nondisclosure  agreement
by any party thereto.

         3.23     Tax Matters.

                  (a)  Filing  of  Tax  Returns.   Princeton  and  each  of  its
Subsidiaries  has timely filed with the appropriate  taxing  authorities all Tax
Returns in respect of Taxes  required to be filed  through the date hereof.  The
Tax Returns filed are complete and accurate in all material respects.  Except as
specified in Schedule 3.23,  neither  Princeton nor any of its  Subsidiaries has
requested  any  extension of time within which to file Tax Returns in respect of
any Taxes.  Princeton  has  delivered to CHC  complete  and  accurate  copies of
federal,  state and local Tax Returns of Princeton and each of its  Subsidiaries
(if separate Tax Returns were filed) for the years ended December 31, 1996, 1995
and 1994.

                  (b) Payment of Taxes. All Taxes due from Princeton and each of
its  Subsidiaries,  or for which any of them  could be  liable,  in  respect  of
periods (or portions thereof) beginning before the Closing Date have been timely
paid or an  adequate  reserve  (in  conformity  with GAAP) has been  established
therefor, as set forth in Schedule 3.23 or the Financial Statements, and neither
Princeton nor any of its  Subsidiaries  has any material  Liability for Taxes in
excess of the  amounts  so paid or  reserves  so  established.  All  Taxes  that
Princeton and each of its Subsidiaries is required by law to withhold or collect
have been duly  withheld  or  collected  and have been  timely  paid over to the
appropriate governmental authorities to the extent due and payable.
<PAGE>
                  (c) Audits,  Investigations  or Claims.  No  deficiencies  for
Taxes of Princeton or any of its  Subsidiaries  have been  claimed,  proposed or
assessed by any taxing or other governmental authority. There are no pending or,
to  the  knowledge  of  Princeton,  any  of its  Subsidiaries  or any  Principal
Stockholder,  threatened audits, assessments or other Actions for or relating to
any Liability in respect of Taxes of Princeton,  any of its  Subsidiaries or any
Principal  Stockholder,  and  there are no  matters  under  discussion  with any
governmental authorities,  or known to Princeton, any of its Subsidiaries or any
Principal  Stockholder,  with  respect  to Taxes that are likely to result in an
additional  Liability for Taxes. Audits of federal,  state and local Tax Returns
by the relevant taxing authorities have been completed for the periods set forth
on Schedule 3.23 and,  except as set forth in such Schedule,  neither  Princeton
nor any of its Subsidiaries has been notified that any taxing authority  intends
to audit a Tax  Return  for any other  period.  No  extension  of a  statute  of
limitations relating to Taxes is in effect with respect to Princeton.

                  (d) Lien.  There are no Encumbrances for Taxes (other than for
current Taxes not yet due and payable) on any of the Assets.

                  (e)  Tax  Elections.  All  elections  with  respect  to  Taxes
affecting  Princeton,  any of its Subsidiaries or their respective  Assets as of
the date hereof are set forth on  Princeton's  or such  Subsidiary's  latest Tax
Returns or on Schedule 3.23.  Neither  Princeton nor any of its Subsidiaries (i)
has  consented  at any  time  under  Section  341(f)(1)  of the Code to have the
provisions  of Section  341(f)(2)  of the Code apply to any  disposition  of any
Assets;  (ii) has agreed,  or is required,  to make any adjustment under Section
481(a)  of the Code by reason of a change  in  accounting  method or  otherwise;
(iii)  has made an  election,  or is  required,  to treat  any Asset as owned by
another  Person  pursuant to the  provisions of Section 168(f) of the Code or as
tax-exempt bond financed  property or tax-exempt use property within the meaning
of Section 168 of the Code;  (iv)  directly or  indirectly  secures any debt the
interest on which is tax exempt  under  Section  103(a) of the Code;  or (v) has
made any of the foregoing elections or is required to apply any of the foregoing
rules under any comparable state or local Tax provision.

                  (f) Prior Affiliated Groups.  Neither Princeton nor any of its
Subsidiaries  has ever  been a member  of an  affiliated  group of  corporations
within the  meaning  of  Section  1504 of the Code or any group that has filed a
combined consolidated or unitary state or local return.

                  (g)  Tax  Sharing   Agreements.   There  are  no   Tax-sharing
agreements  or similar  arrangements  (including  indemnity  arrangements)  with
respect to or involving  Princeton or any of its  Subsidiaries,  and,  after the
Closing Date,  neither  Princeton nor any of its Subsidiaries  shall be bound by
any such  Tax-sharing  agreements or similar  arrangements or have any Liability
thereunder for amounts due in respect of periods prior to the Closing Date.

                  (h)   Partnerships.   Neither   Princeton   nor   any  of  its
Subsidiaries has an interest in or is subject to any joint venture, partnership,
or other  arrangement or contract which is treated as a partnership  for federal
income  tax  purposes.  Neither  Princeton  nor  any  of its  Subsidiaries  is a
successor  to any  other  Person by way of  merger,  reorganization  or  similar
transaction.

                  (i) No Withholding. The transaction contemplated herein is not
subject to the tax  withholding  provisions  of Section 3406 of the Code,  or of
Subchapter A of Chapter 3 of the Code or of any other provision of law.
<PAGE>
         3.24     Insurance. Schedule 3.24 contains a complete and accurate list
of all policies or binders of insurance (showing as to each policy or binder the
carrier,  policy number,  coverage limits,  expiration dates, annual premiums, a
general  description  of the type of coverage  provided  and any pending  claims
thereunder) of which Princeton or any of its Subsidiaries is the owner,  insured
or beneficiary.  All of such policies are sufficient for (i) compliance with all
Regulations and all of the Contracts,  (ii) covering all reasonably  foreseeable
damage to and liabilities or contingencies relating to Princeton's or any of its
Subsidiary's  conduct  of the  Business  and (iii)  providing  replacement  cost
insurance  coverage  for  all of the  Assets,  Fixtures  and  Equipment  and all
leasehold  improvements.  Neither  Princeton nor any of its  Subsidiaries  is in
default  under any of such  policies or binders,  and none of them has failed to
give any notice or to present any claim under any such policy or binder in a due
and  timely  fashion.  There  are  no  facts  known  to  Princeton,  any  of its
Subsidiaries  or any  Principal  Stockholder  upon  which  an  insurer  might be
justified  in reducing or denying  coverage or  increasing  premiums on existing
policies or  binders.  There are no  outstanding  unpaid  claims  under any such
policies or binders.  Such  policies and binders are in full force and effect on
the date hereof and shall be kept in full force and effect by Princeton  through
the Closing Date.

         3.25     Accounts   Receivable.   The  accounts  and  notes  receivable
reflected in the Balance  Sheet,  and all accounts or notes  receivable  arising
since the Balance Sheet Date,  represent  bona fide claims  against  debtors for
sales,  services  performed  or other  charges  arising on or before the date of
recording thereof, and all the goods delivered and services performed which gave
rise to said  accounts  were  delivered  or  performed  in  accordance  with the
applicable  orders,  Contracts  or customer  requirements.  To the  knowledge of
Princeton,  any of its  Subsidiaries  or any  Principal  Stockholder,  all  such
receivables  are fully  collectible in the ordinary course of business except to
the  extent of an amount  not in excess of the  reserve  for  doubtful  accounts
reflected on the Balance  Sheet and  additions to such  reserves as reflected on
the Books and Records.

         3.26     Inventory.  The value at which the  Inventory  is shown on the
Balance Sheet has been determined in accordance with the normal valuation policy
of Princeton,  consistently  applied and in accordance  with GAAP. The Inventory
(and the specific items acquired or manufactured subsequent to the Balance Sheet
Date)  consists  only of items of quality and quantity  commercially  usable and
salable in the  ordinary  course of  business,  except for any items of obsolete
material or material below standard quality, all of which have been written down
to realizable  market value, or for which adequate  reserves have been provided,
and  the  present  quantity  of all  Inventory  is  reasonable  in  the  present
circumstances  of the  Business.  Schedule 3.26 contains a complete and accurate
list of all  Inventory as of the Balance  Sheet Date and the  addresses at which
the Inventory is located.

         3.27     Purchase  Commitments and Outstanding  Bids. As of the date of
this  Agreement,  the aggregate of all accepted and  unfulfilled  orders for the
sale of Inventory entered into by Princeton and its Subsidiaries does not exceed
$25,000,  and the  aggregate  of all  Contracts  for the purchase of supplies by
Princeton and its Subsidiaries does not exceed $25,000,  all of which orders and
Contracts  were made in the  ordinary  course of  business.  There are no claims
against Princeton or any of its Subsidiaries to return in excess of an aggregate
of  $10,000  of  merchandise  by  reason  of  alleged  overshipments,  defective
merchandise or otherwise,  or of merchandise in the hands of customers  under an
understanding that such merchandise would be returnable. No outstanding purchase
<PAGE>
or  outstanding  lease  commitment  of  Princeton  or any  of  its  Subsidiaries
presently  is in excess of the normal,  ordinary and usual  requirements  of the
Business or was made at any price in excess of the now current  market  price or
contains  terms and  conditions  more onerous than those usual and  customary in
Princeton's business. To the knowledge of Princeton,  any of its Subsidiaries or
any Principal  Stockholder,  there is no outstanding bid, proposal,  contract or
unfilled order of Princeton or any of its  Subsidiaries  which will or would, if
accepted, result in a net loss to Princeton or any of its Subsidiaries.

         3.28     Customers and  Suppliers.  Schedule 3.28 sets forth a complete
and  accurate  list of the  names and  addresses  of (i) the ten  customers  who
purchased  from  Princeton and its  Subsidiaries  the greatest  dollar volume of
products  or  services  during its last  fiscal  year and last  fiscal  quarter,
showing the approximate total sales in dollars to each such customer during such
fiscal year and quarter;  and (ii) the ten  suppliers  with the greatest  dollar
volume of sales to Princeton  and its  Subsidiaries  during the last fiscal year
and during the last fiscal quarter,  showing the approximate  total purchases in
dollars by Princeton and its  Subsidiaries  from each such supplier  during such
fiscal year. Since the Balance Sheet Date, there has been no Princeton  Material
Adverse  Change  in  the  business  relationship  of  Princeton  or  any  of its
Subsidiaries  with any  customer or supplier  named on  Schedule  3.28.  Neither
Princeton  nor any of its  Subsidiaries  has received any written  communication
from any customer or supplier named on Schedule 3.28 of any intention to return,
terminate or materially reduce purchases from or supplies to Princeton or any of
its Subsidiaries.

         3.29     Brokers;  Transaction  Costs.  Except for a financial services
advisory  fee in the  amount of  $645,000  payable  to First  Albany  Investment
Banking,  none of Princeton,  any of its  Subsidiaries  or any  Stockholder  has
entered  into or  will  enter  into  any  contract,  agreement,  arrangement  or
understanding  with any  Person  which  will  result in the  obligation  of CHC,
Princeton,  any of its  Subsidiaries  or any  of  the  Stockholders  to pay  any
finder's fee,  brokerage  commission or similar  payment in connection  with the
transactions contemplated hereby.

         3.30     No Other  Agreements to Sell Princeton or the Assets.  None of
Princeton or any Stockholder has any legal  obligation,  absolute or contingent,
to any other  Person to sell the Assets  (other than  Inventory  in the ordinary
course of  business)  or to sell any capital  stock of  Princeton  or any of its
Subsidiaries or to effect any merger,  consolidation or other  reorganization of
Princeton or any of its Subsidiaries or to enter into any agreement with respect
thereto, except pursuant to this Agreement.

         3.31     Dissenters'    Rights.    Assuming   the   accuracy   of   the
representations  of CHC set forth in Section 4.7 hereof,  no holder of shares of
capital  stock of  Princeton  shall be entitled  to dissent  from the Merger and
demand the payment of the fair value of such holder's shares of capital stock of
Princeton under the NJBCA with respect to the transactions contemplated hereby.

         3.32     Accounting   Treatment.   Neither   Princeton,   any   of  its
Subsidiaries  nor any Stockholder has taken any action that, to the knowledge of
Princeton,  any of its Subsidiaries or any Principal Stockholder,  would prevent
the Merger from qualifying for pooling of interests  accounting  treatment under
Opinion  16 of the  Accounting  Principles  Board and  applicable  SEC rules and
regulations.
<PAGE>
         3.33     Material Misstatements or Omissions.

                  (a) No  representations  or  warranties  by  Princeton  or any
Principal  Stockholder in this Agreement or any Ancillary  Agreement to which it
is a  party  or  in  any  document,  written  information,  exhibit,  statement,
certificate or schedule heretofore or hereinafter furnished by Princeton or such
Principal  Stockholder  or  any of its  Representatives  to CHC or Sub  pursuant
hereto, or in connection with the transactions contemplated by this Agreement or
by such Ancillary  Agreements contains or will contain any untrue statement of a
material  fact,  or omits or will omit to state any material  fact  necessary to
make the statements or facts contained therein not misleading.

                  (b) The information with respect to Princeton  included in the
Information  Statement  will not,  as of the date  thereof,  contain  any untrue
statement of a material  fact, or omit to state any material  fact  necessary to
make the statements or facts contained therein not misleading.

                                   ARTICLE 3A

                 REPRESENTATIONS AND WARRANTIES OF STOCKHOLDERS

         As an inducement of CHC to enter into this  Agreement,  each  Principal
Stockholder, and each Stockholder that is not a Principal Stockholder, by virtue
of  such  Stockholder's  execution  and  delivery  of a  Transmittal  Letter  in
accordance with Section 2.7 hereof,  severally, and not jointly,  represents and
warrants  with  respect  to  itself  only  to  CHC  and  Sub as  follows,  which
representations  and warranties  are, as of the date hereof,  and will be, as of
the Closing Date, true and correct:

         3A.1     Authorization.  Each  Stockholder  has all necessary power and
authority to enter into this Agreement and the Ancillary  Agreements to which it
is a party and has taken all actions  necessary to consummate  the  transactions
contemplated  hereby and thereby and to perform its  obligations  hereunder  and
thereunder.  This  Agreement  has  been  duly  executed  and  delivered  by each
Stockholder  and is, and upon the execution and delivery  thereof each Ancillary
Agreement to which it is a party will be, a valid and binding obligation of each
Stockholder,  enforceable against each Stockholder in accordance with its terms,
except  that  enforceability  may  be  limited  by (a)  bankruptcy,  insolvency,
reorganization,  moratorium  or other  similar laws relating to or affecting the
rights of creditors or (b) general  principles of equity  (regardless of whether
enforceability is considered in a proceeding at law or in equity).

         3A.2     No Conflict or  Violation;  Consents.  None of the  execution,
delivery or  performance  of this  Agreement  or any  Ancillary  Agreement,  the
consummation of the transactions  contemplated hereby or thereby, nor compliance
by any  Stockholder  with any of the  provisions  hereof  or  thereof,  will (a)
violate  or  conflict  with any  provision  of the  governing  documents  of any
Stockholder,  (b) violate, conflict with, or result in a breach of or constitute
a default  (with or without  notice of passage of time) under,  or result in the
termination of, or accelerate the performance  required by, or result in a right
to terminate,  accelerate, modify or cancel under, or require a notice under, or
result in the  creation of any  Encumbrance  upon any of its  respective  assets
under, any Contract, lease, sublease, license,  sublicense,  franchise,  permit,
indenture, agreement or mortgage for borrowed money, instrument of indebtedness,
security interest or other arrangement to which any Stockholder is a party or by
which any  Stockholder is bound or to which any of its assets are subject or (c)
violate  any  applicable  Regulation  or Court  Order.  Except  as set  forth on
<PAGE>
Schedule  3A.2,  no  notices  to,  declaration,  filing  or  registration  with,
approvals or Consents of, or assignments by, any Persons (including any federal,
state or local  governmental or administrative  authorities) are necessary to be
made or obtained by any Stockholder in connection  with the execution,  delivery
or performance of this Agreement or any Ancillary  Agreement or the consummation
of the transactions contemplated hereby or thereby.

         3A.3     Ownership of Princeton  Stock;  Title. The number of shares of
Princeton  Stock held by each  Stockholder  are accurately set forth on Schedule
3.2(a) and all of such shares of Princeton  Stock are  lawfully  owned of record
and,  except  as  set  forth  on  Schedule  3A.3,  beneficially  owned  by  such
Stockholder, free and clear of any Encumbrances. Except as set forth on Schedule
3A.3 and 3.3, the Princeton  Shares held by such  Stockholder are not subject to
any  stockholder   agreement,   voting  trust,   proxy  or  other  agreement  or
understanding with respect to or concerning the purchase, sale or voting of such
Princeton  Stock.  Upon the  acquisition  in the  Merger by CHC of the shares of
Princeton Stock presently held by such Stockholder, CHC shall acquire good title
to such shares of Princeton  Stock,  free and clear of all  Encumbrances,  other
than any Encumbrances created by Princeton.

                                   ARTICLE 4.

                      REPRESENTATIONS AND WARRANTIES OF CHC

         As an  inducement of Princeton  and each of the  Stockholders  to enter
into  this  Agreement,  except as set forth on the CHC  Schedule  of  Exceptions
attached to this  Agreement,  CHC  represents  and warrants to Princeton and the
Stockholders  as follows,  which  representations  and warranties are, as of the
date hereof, and will be, as of the Closing Date, true and correct:

         4.1      Organization.  CHC is a corporation  duly  organized,  validly
existing and in good standing  under the laws of the State of New York.  CHC has
full  corporate  power and  authority to conduct its business as it is presently
being conducted and to own or lease,  as applicable,  the assets owned or leased
by it. CHC is duly qualified to do business as a foreign  corporation  and is in
good  standing in each  jurisdiction  in which such  qualification  is necessary
under applicable law as a result of the conduct of its business or the ownership
of its properties and where the failure to be so qualified would have a Material
Adverse  Effect  on CHC.  Each  jurisdiction  in which  CHC is  qualified  to do
business  as a  foreign  corporation  is set  forth in  Schedule  4.1.  Sub is a
corporation duly organized, validly existing and in good standing under the laws
of the state of New Jersey.  Sub has not engaged in any business  (other than in
connection with this Agreement and the transactions  contemplated  hereby) since
the date of its incorporation.

         4.2      Capitalization.

                  (a) There are 60,000,000  shares of CHC Stock authorized under
its Articles of  Incorporation,  27,100,399 of which were issued and outstanding
as of October 22, 1997;  200,000  authorized shares of Preferred Stock, $.10 par
value, of CHC ("CHC Preferred  Stock" and together with the CHC Stock,  the "CHC
Securities") authorized under its Articles of Incorporation,  none of which were
issued  and  outstanding.   CHC  has  no  other  stock  authorized,   issued  or
outstanding.

                  (b) As of December 31, 1997,  there were (i) 7,023,906  shares
of CHC Stock  reserved  for  issuance  upon the  exercise of options  granted or
available  for grant  under the CHC Option  Plan (the "CHC  Options"),  (ii) CHC
<PAGE>
Options  representing  the right to purchase an aggregate of 1,468,906 shares of
CHC Stock  outstanding  and (iii)  5,555,000  shares of CHC Stock  available for
future grants of CHC Options.

                  (c) Except  for the CHC  Options  and shares of CHC  Preferred
Stock listed above, and except for director options and warrants exercisable for
not mote than  200,000  shares,  there  are no  outstanding  options,  warrants,
convertible  securities  or rights of any kind to purchase or otherwise  acquire
any  shares of capital  stock or other  securities  of CHC.  Except as set forth
above, no shares of capital stock of CHC are reserved for issuance.

                  (d) All outstanding shares of CHC Securities and any shares of
CHC Stock issued upon exercise of any CHC Option will be validly  issued,  fully
paid and  non-assessable  and not subject to any  preemptive  rights  created by
statute,  CHC's  Articles of  Incorporation  or Bylaws or any Contract.  The CHC
Options and the CHC  Securities  have been or will be issued in compliance  with
all federal and state corporate and securities laws.

                  (e)  Other  than  the   transactions   contemplated   by  this
Agreement,  there is no  outstanding  vote,  plan or  pending  proposal  for any
redemption  of stock of CHC or any merger or  consolidation  of CHC with or into
any other entity.

                  (f) The  authorized  capital  stock of Sub  consists  of 1,000
shares of common  stock,  no par  value,  of which  1,000  shares are issued and
outstanding.  All of such  outstanding  shares are owned by CHC and are  validly
issued, fully paid and non-assessable.

         4.3      Authorization. Each of CHC and Sub has all necessary corporate
power and authority to enter into this Agreement and the Ancillary Agreements to
which it is a party  and has  taken  all  action  necessary  to  consummate  the
transactions  contemplated  hereby and  thereby  and to perform  its  respective
obligations hereunder and thereunder.  This Agreement has been duly executed and
delivered by each CHC and Sub, and this  Agreement  is, and upon  execution  and
delivery  each of the  Ancillary  Agreements  to which  each of CHC and Sub is a
party will be, a valid and binding obligation of each of CHC and Sub enforceable
against  each  of  CHC  and  Sub in  accordance  with  its  terms,  except  that
enforceability  may be  limited  by the  effect of (a)  bankruptcy,  insolvency,
reorganization,  moratorium  or other  similar laws relating to or affecting the
rights of creditors or (b) general  principles of equity  (regardless of whether
enforceability is considered in a proceeding at law or in equity).

         4.4      No Conflict or  Violation;  Consents.  None of the  execution,
delivery or  performance  of this  Agreement  or any  Ancillary  Agreement,  the
consummation of the transactions  contemplated hereby or thereby, nor compliance
by CHC or Sub with any of the provisions hereof or thereof,  will (a) violate or
conflict with any provision of CHC's or Sub's governing  documents to the extent
applicable, (b) violate, conflict with, or result in a breach of or constitute a
default  (with or without  notice of passage  of time)  under,  or result in the
termination of, or accelerate the performance  required by, or result in a right
to terminate,  accelerate, modify or cancel under, or require a notice under, or
result in the  creation of any  Encumbrance  upon any of its assets  under,  any
contract, lease, sublease, license,  sublicense,  franchise,  permit, indenture,
agreement or mortgage for borrowed money,  instrument of indebtedness,  security
interest or other  arrangement to which CHC or Sub is a party or by which CHC or
Sub is bound or to which any of their respective assets are subject, (c) violate
any  Regulation  or  Court  Order  applicable  to CHC or Sub or (d)  impose  any
<PAGE>
Encumbrance on any assets of CHC or Sub. Except as set forth on Schedule 4.4, no
notices to, declaration,  filing or registration with, approvals or Consents of,
or  assignments  by,  any  Persons  (including  any  federal,   state  or  local
governmental or administrative authorities) are necessary to be made or obtained
by CHC or Sub in connection with the execution,  delivery or performance of this
Agreement or any Ancillary  Agreement or the  consummation  of the  transactions
contemplated hereby or thereby.

         4.5      Reports and  Financial  Statements.  CHC has timely  filed all
reports  required to be filed with the SEC  pursuant to the  Exchange Act or the
Securities  Act  (collectively,  the "SEC  Reports"),  and has  previously  made
available to Princeton  true and complete  copies of all such SEC Reports.  Such
SEC Reports,  as of their respective dates,  complied in all materials  respects
with the applicable  requirements of the Securities Act and the Exchange Act, as
the case may be, and none of such SEC Reports  contained any untrue statement of
a  material  fact or  omitted to state a  material  fact  required  to be stated
therein  or  necessary  to  make  the  statements   therein,  in  light  of  the
circumstances  under  which they were made,  not  misleading.  The  consolidated
financial  statements of CHC,  including the notes thereto,  included in the SEC
Reports have been  prepared in  accordance  with GAAP  consistently  applied and
fairly  present  the  consolidated  financial  condition  of CHC as at the dates
thereof and  consolidated  results of operations  and cash flows for the periods
then ended.

         4.6      Absence of Certain  Changes or  Events.  Since  September  30,
1997,  there has not been any fact,  event,  circumstance or change affecting or
relating to CHC and its  subsidiaries  which has had or is reasonably  likely to
have, individually or in the aggregate, a Material Adverse Effect on CHC (a "CHC
Material Adverse Effect"); provided, however, that a CHC Material Adverse Effect
shall not include any adverse effect  following the date of this Agreement which
is solely  attributable to (i) the  announcement or pendency of the transactions
contemplated by this Agreement or (ii) changes in national  economic  conditions
or industry conditions generally.

         4.7      Number of Holders of CHC Stock.  There are no fewer than 1,000
holders of record of shares of CHC Stock.

         4.8      S-3 Eligibility. CHC satisfies the registrant requirements set
forth in the general instructions for use of Form S-3 under the Securities Act.

         4.9      Disclosure.

                  (a) No  representation,  warranty  or other  statement  by CHC
herein  contains an untrue  statement  of a material  fact,  or omits to state a
material fact necessary to make the statements contained herein not misleading.

                  (b) The  information  with  respect  to CHC  included  in  the
Information  Statement  will not,  as of the date  thereof,  contain  any untrue
statement of a material  fact, or omit to state any material  fact  necessary to
make the statements or facts contained therein not misleading.

                                   ARTICLE 5.

                     ACTIONS BY PRINCETON, THE STOCKHOLDERS
                          AND CHC PRIOR TO THE CLOSING

         Princeton,  the Principal Stockholders,  CHC and Sub, each as indicated
below,  covenant  as follows  for the period  from the date  hereof  through the
Closing Date:
<PAGE>
         5.1      Conduct of Business. From the date hereof through the Closing,
Princeton and the Principal  Stockholders  shall, except as contemplated by this
Agreement,  or as  consented  to by CHC in writing,  operate the Business in the
ordinary  course of business and in  accordance  with past practice and will not
take any action  inconsistent with this Agreement,  the Ancillary  Agreements or
the  consummation  of  the  Closing.  Without  limiting  the  generality  of the
foregoing,  Princeton shall not and the Principal  Stockholders  shall not cause
Princeton and its Subsidiaries  to, except as specifically  contemplated by this
Agreement or as consented to by CHC in writing:

         (a)      incur  any   indebtedness   for  borrowed  money,  or  assume,
guarantee,  endorse  (other than  endorsements  for deposit or collection in the
ordinary course of business), or otherwise become responsible for obligations of
any other Person;

         (b)      issue (except  pursuant to outstanding  Princeton  Options) or
commit to issue any shares of its capital  stock or any other  securities or any
securities convertible into shares of its capital stock or any other securities,
including, without limitation, any options to acuire capital stock;

         (c)      pay or incur any obligation to pay any dividend on its capital
stock or make or incur any  obligation  to make any  distribution  or redemption
with respect to capital stock;

         (d)      make any  change to  Princeton's  or any of its  Subsidiaries'
Certificate of Incorporation or Bylaws;

         (e)      mortgage,  pledge or  otherwise  encumber  any Assets or sell,
transfer, license or otherwise dispose of any Assets except for the licensing of
Princeton's  products  and  services  in the  ordinary  course of  business  and
consistent with past practice;

         (f)      cancel,  release or assign any indebtedness  owed to it or any
claims or rights  held by it,  except in the  ordinary  course of  business  and
consistent with past practice;

         (g)      make any  investment of a capital nature either by purchase of
stock or securities,  contributions to capital,  property transfer or otherwise,
or by the purchase of any property or assets of any other Person;

         (h)      terminate  any  material  Contract  or make any  change in any
material Contract;

         (i)      enter into or modify  any  employment  Contract,  (ii) pay any
compensation  to or for any  Employee,  officer  or  director  other than in the
ordinary  course of business and pursuant to existing  employment  arrangements,
(iii) pay or agree to pay any bonus,  incentive  compensation,  service award or
other like benefit or (iv) enter into or modify any other Employee Plan;

         (j)      enter into or modify any Contract with a Related Party;

         (k)      declare any  dividend or make any payment or  distribution  to
the Stockholders or redeem or purchase any shares of its capital stock;

         (l)      make any  change in any  method of  accounting  or  accounting
practice;
<PAGE>
         (m)      fail  to  pursue  the  development  and  introduction  of  new
products  and  technology  advances in  connection  with the Business on a basis
consistent with past practice;

         (n)      fail to comply with all  Regulations  applicable to the Assets
and the Business consistent with past practices;

         (o)      fail  to  use  its  commercially  reasonable  efforts  to  (i)
maintain the  Business,  (ii) retain the Employees so that such  Employees  will
remain  available to CHC on and after the Closing Date  (provided that Princeton
shall  not be  required  by this  Section  5.1(o) to enter  into any  employment
agreement  with  any  Employee),  (iii)  maintain  existing  relationships  with
suppliers and customers and others having  business  dealings with Princeton and
its  Subsidiaries and (iv) otherwise to preserve the goodwill of the Business so
that such  relationships and goodwill will be preserved on and after the Closing
Date; or

         (p)      do any other  act which  would  cause  any  representation  or
warranty of Princeton or  Stockholders  in this Agreement to be or become untrue
in any  material  respect  or that is not in the  ordinary  course  of  business
consistent with past practice.

         5.2      Investigation   by  CHC.   Subject   to  the   Confidentiality
Agreement,  from the date hereof through the Closing Date,  Princeton shall, and
shall cause Princeton's  Subsidiaries and their respective  officers,  Employees
and Representatives to, afford the Representatives of the CHC and its Affiliates
access upon  reasonable  notice and at all reasonable  times to its Business for
the  purpose  of  inspecting  the  same,  and to  its  officers,  Employees  and
Representatives,  properties, Books and Records, Contracts and other Assets, and
shall  furnish  CHC and its  Representatives,  upon  reasonable  notice and in a
timely  manner,  all  financial,   operating  and  other  data  and  information
(including with respect to Proprietary Rights) as CHC or its affiliates, through
their respective Representatives, may reasonably request.

         5.3      Notification of Certain  Matters.  Princeton and the Principal
Stockholders  shall give prompt notice to CHC of (i) the occurrence,  or failure
to occur, of any event which  occurrence or failure would be likely to cause any
representation  or warranty of  Princeton or any  Stockholder  contained in this
Agreement  to be untrue  or  inaccurate  in any  material  respect  and (ii) any
material  failure of Princeton or any  Stockholder to comply with or satisfy any
covenant,  condition  or  agreement  to be  complied  with  or  satisfied  by it
hereunder;  provided,  however, that such disclosure shall not be deemed to cure
any breach of a  representation,  warranty,  covenant or agreement or to satisfy
any condition.  Princeton and the Principal  Stockholders  shall promptly notify
CHC of any Default, the threat or commencement of any Action, or any development
that occurs before the Closing that could  reasonably be expected to result in a
Princeton Material Adverse Effect.

         5.4      No  Mergers,  Consolidations,  Sale  of  Stock,  Etc.  Neither
Princeton  nor any  Principal  Stockholder  will,  directly or  indirectly,  (a)
solicit any  inquiries or  proposals or enter into or continue any  discussions,
negotiations  or agreements  relating to (i) the sale or exchange of Princeton's
or any of its  Subsidiaries,  capital stock, (ii) the merger of Princeton or any
of its Subsidiaries with, or the direct or indirect disposition of a significant
amount of the  Assets or the  Business  to,  any  Person  other  than CHC or its
Affiliates  or (iii) the  licensing  of  Princeton's  Proprietary  Rights to any
<PAGE>
Person  other  than in the  ordinary  course of  business  consistent  with past
practice  or (b) provide  any  assistance  or any  information  to or  otherwise
cooperate  with any Person in  connection  with any such  inquiry,  proposal  or
transaction.  Princeton and the Principal  Stockholders  hereby  represent  that
neither Princeton,  any of its Subsidiaries nor any Principal Stockholder is now
engaged  in  discussions  or  negotiations  with any party  other  than CHC with
respect to any  transaction of the kind described in clauses (a) (i) through (a)
(iii)  of  the  preceding  sentence  (a  "Proposed  Acquisition   Transaction").
Princeton  and each  Principal  Stockholder  agrees not to, and to cause each of
Princeton's  Subsidiaries  not to,  release any third  party from,  or waive any
provision of, any  confidentiality or standstill  agreement to which any of them
is a party.  Princeton  and the  Principal  Stockholders  shall (w)  immediately
notify CHC  (orally and in writing)  if any offer is made,  any  discussions  or
negotiations  are sought to be  initiated,  any inquiry,  proposal or contact is
made or any  information is requested  with respect to any Proposed  Acquisition
Transaction,  (x) promptly  notify CHC of the terms of any proposal which it may
receive in  respect of any such  Proposed  Acquisition  Transaction,  including,
without  limitation,  the identity of the  prospective  purchaser or  soliciting
party, (y) promptly provide CHC with a copy of any such offer, if written,  or a
written summary (in reasonable detail) of such offer, if not in writing, and (z)
keep CHC  informed  of the status of such offer and the  offeror's  efforts  and
activities with respect thereto.

         5.5      Pooling Accounting Treatment.

                  (a) Set forth on  Schedule  5.5 is a list of all  Persons  who
are, in Princeton's reasonable judgment, "affiliates" of Princeton as defined in
Rule 144 under the  Securities Act or for purposes of qualifying the Merger as a
pooling of interests  under Opinion 16 of the  Accounting  Principles  Board and
applicable SEC rules and regulations.  Princeton and the Principal  Stockholders
shall use diligent efforts in good faith to cause each such Person to deliver to
CHC and Sub on or prior to the Closing Date a written agreement substantially in
the form attached hereto as Exhibit F (an "Affiliate Letter").

                  (b)  Princeton  and  the  Principal   Stockholders  shall  use
diligent  efforts in good faith to cause the  transactions  contemplated by this
Agreement to be accounted for as a pooling of interests  under Opinion 16 of the
Accounting  Principles  Board and applicable SEC rules and  regulations,  and to
have such  accounting  treatment  accepted  by  Princeton's  independent  public
accountants,  by  CHC's  public  accountants,  and  by  the  SEC,  respectively.
Princeton and each Principal  Stockholder  agree that none of them will take any
action that would cause such accounting treatment not to be obtained.

         5.6      Princeton Shareholder Approval.  Princeton agrees that it will
submit to the Principal  Stockholders a written  consent in lieu of a meeting of
such Principal  Stockholders  (the  "Stockholder  Consent") in substantially the
form  attached  hereto as Exhibit  G,  approving  the  execution,  delivery  and
performance by Princeton of this Agreement and each of the Ancillary  Agreements
to which it is a party, and the  consummation of the  transactions  contemplated
hereby  and  thereby.  Each  Principal  Stockholder  agrees  that,   immediately
following  the  execution  and delivery of this  Agreement,  it will execute and
deliver to  Princeton,  with a copy to CHC,  a  counterpart  to the  Stockholder
Consent  dated as of the date  hereof.  Princeton  further  agrees that it shall
provide  the  remaining  holders  of shares of  Princeton  Stock with the notice
required by Section 14A:5-6(2)(b) of the NJBCA.
<PAGE>
         5.7      Information   Statement.   Promptly  after  the  date  hereof,
Princeton,  the Principal Stockholders and CHC shall prepare for distribution to
the  holders  of  Princeton  Stock  an  information  statement  containing  such
information regarding Princeton, CHC and the transactions contemplated hereby as
Princeton and CHC shall deem necessary and  appropriate  (in  consultation  with
their   respective   legal  advisors  and  independent   accountants)  for  such
information   statement  to  comply  with   applicable  law  (the   "Information
Statement").  Princeton  and each of the Principal  Stockholders  agree that the
information  provided by each of Princeton and each  Principal  Stockholder  for
inclusion in the Information Statement shall not contain any untrue statement of
a  material  fact,  or omit to  state a  material  fact  necessary  to make  the
statements or facts contained in the Information  Statement not misleading.  CHC
and Sub agree that the information provided by each of them for inclusion in the
Information  Statement shall not contain any untrue  statement of material fact,
or omit to state a  material  fact  necessary  to make the  statements  or facts
contained in the Information Statement not misleading.  Each of Princeton,  each
Principal  Stockholder and CHC shall immediately advise the other parties of the
occurrence  of  any  event  which  causes  the  information  provided  by it for
inclusion  in the  Information  Statement  to contain any untrue  statement of a
material  fact,  or to omit to  state a  material  fact  necessary  to make  the
statements or facts contained in the Information Statement not misleading.

         5.8      Proposed  MainWare  Acquisition.   CHC  and  Princeton  hereby
acknowledge  that Princeton shall be permitted to enter into  negotiations  with
MainWare,  Inc.  ("MainWare")  for the  acquisition  of the  business  presently
operated by MainWare through a purchase of all of the outstanding capital stock,
or  all  or  substantially  all  of  the  assets,  of  MainWare,   a  merger  or
consolidation involving MainWare or another similar form of acquisition. CHC and
Princeton  hereby  agree  that,  if and to the extent that the  execution  of an
agreement  (including,  without  limitation,  a  letter  of  intent  or  similar
arrangement) with respect to any such acquisition and/or the consummation of any
such  acquisition  would result in any breach of a  representation,  warranty or
covenant contained in this Agreement by Princeton or any Stockholder,  Princeton
and CHC shall  negotiate in good faith with respect to any  modification  of, or
waiver of any such breach of, such  representation,  warranty or covenant to the
extent  necessary to permit the execution of such agreement (or letter of intent
or similar arrangement) or the consummation of such acquisition, as the case may
be;  provided,  that  CHC  shall  have  the  right,  in its  sole  and  absolute
discretion,  to withhold its consent to any such  modification  of, or waiver of
any such breach of, any such representation, warranty or covenant for any reason
whatsoever  or to require as a condition to its  obligation  to  consummate  the
Merger that any such agreement (or letter of intent or similar arrangement),  if
entered into by Princeton, be terminated, regardless of whether such termination
results  in the  breach  of  such  agreement  (or  letter  of  intent  or  other
agreement);  and provided further,  that the exercise by CHC of such right shall
not be  considered an act of bad faith  pursuant to, or otherwise  result in any
violation by CHC of, this Section 5.8.

         5.9      Further  Assurances.   Upon  the  terms  and  subject  to  the
conditions  contained  herein,  the parties agree,  in each case both before and
after the Closing,  (i) to use all  reasonable  efforts to take,  or cause to be
taken, all actions and to do, or cause to be done, all things necessary,  proper
or advisable to consummate and make effective the  transactions  contemplated by
this Agreement and the Ancillary  Agreements,  (ii) to use their respective best
efforts to cause the acquisition to qualify, and will not take any actions which
to their knowledge could  reasonably be expected to prevent the acquisition from
qualifying,  as a  reorganization  under the provisions of Section 368(a) of the
Code,  (iii) to execute any  documents,  instruments  or conveyances of any kind
<PAGE>
which  may  be  reasonably  necessary  or  advisable  to  carry  out  any of the
transactions  contemplated  hereunder and  thereunder and (iv) to cooperate with
each other in connection with the foregoing. Without limiting the foregoing, the
parties  agree to use their  respective  reasonable  efforts  (A) to obtain  any
necessary Consents  (including,  without limitation,  all filings required to be
made  under the HSR Act with  respect  to this  Agreement  and the  transactions
contemplated  hereby) (B) to give all notices to, and make all registrations and
filings with third parties,  including  submissions of information  requested by
governmental  authorities  and  (C) to  fulfill  all  other  conditions  to this
Agreement. Notwithstanding the foregoing, (y) no amendment or modification shall
be made to any Contract to obtain any required Consent without the prior written
consent  of CHC and (z) no party  hereto or any of their  respective  Affiliates
shall be required to sell,  transfer,  divest or otherwise dispose of any of its
respective  business,  assets or properties in connection with this Agreement or
any of the transactions contemplated hereby.

                                   ARTICLE 6.

      CONDITIONS TO PRINCETON'S AND THE PRINCIPAL STOCKHOLDERS' OBLIGATIONS

         The  obligations of Princeton and the Principal  Stockholders to effect
the Merger and complete the related transactions  contemplated by this Agreement
are subject, in the discretion of Princeton and the Stockholder  Representative,
on behalf of the Stockholders,  to the satisfaction,  on or prior to the Closing
Date,  of each of the following  conditions or the waiver of such  conditions by
Princeton and the Stockholder Representative on behalf of the Stockholders:

         6.1      Representations, Warranties and Covenants. All representations
and  warranties  of CHC and Sub  contained in this  Agreement  shall be true and
correct  in all  material  respects  at and as of the  Closing  Date  as if such
representations  and warranties were made at and as of the Closing Date, and CHC
and Sub shall  have  performed  in all  material  respects  all  agreements  and
covenants required hereby to be performed by it prior to or at the Closing Date.
There shall be delivered  to Princeton  and the  Stockholder  Representative  on
behalf of the  Stockholders a certificate  signed by a senior officer of CHC and
Sub to the foregoing effect ("CHC Closing Certificate").

         6.2      Consents.   All   Consents,   approvals   and   waivers   from
governmental  authorities  and other parties  necessary to permit CHC and Sub to
consummate  the Merger as  contemplated  hereby and by the Ancillary  Agreements
shall have been obtained. Princeton and the Stockholder Representative on behalf
of the  Stockholders  shall be satisfied  that all approvals  required under any
Regulations to permit CHC and Sub to carry out the transactions  contemplated by
this Agreement and the Ancillary Agreements (including,  without limitation, the
expiration  or  termination  of  the  waiting  period  under  the  HSR  Act,  if
applicable) shall have been obtained.

         6.3      No  Court  Orders.  No  Action  by  any  court,   governmental
authority  or other  Person  shall  have been  instituted  or  threatened  which
questions the validity or legality of the transactions  contemplated  hereby and
by the Ancillary  Agreements.  There shall not be any  Regulation or Court Order
that makes the acquisition of the Princeton Stock contemplated hereby illegal or
otherwise prohibited.

         6.4      Closing Documents. CHC shall have delivered to the Stockholder
Representative  on behalf of the  Stockholders  the  documents  and other  items
described in Section 8.2 and such other  documents and items as Princeton or the
Principal Stockholders may reasonably require.
<PAGE>
                                   ARTICLE 7.

                         CONDITIONS TO CHC'S OBLIGATIONS

         The  obligations  of CHC to effect the Merger and  complete the related
transactions  contemplated  by this Agreement are subject,  in the discretion of
CHC,  to the  satisfaction,  on or prior  to the  Closing  Date,  of each of the
following conditions, or the waiver of such conditions by CHC:

         7.1      Representations,    Warranties   and   Covenants.    (a)   All
representations  and warranties of Princeton and each  Stockholder  contained in
this  Agreement  shall be true and correct at and as of the  Closing  Date as if
such  representations  and  warranties  were made at and as of the Closing  Date
(except  as set  forth in  clause  (b)  below),  and  Princeton  and each of the
Principal  Stockholders  shall  have  performed  in all  material  respects  all
agreements  and  covenants  required  hereby to be performed  prior to or at the
Closing  Date.  There  shall be  delivered  to CHC a  certificate  signed by the
President  and the Chief  Financial  Officer of  Princeton  ("Princeton  Closing
Certificate")  and each Principal  Stockholder to the foregoing  effect (each, a
"Stockholder's Closing Certificate").

                  (b) For  purposes of the  foregoing  paragraph  (a), the lists
required to be provided pursuant to the representations and warranties set forth
in Sections 3.5, 3.6, 3.8 3.10, 3.11, 3.13, 3.18 3.19, 3.24, 3.26 and 3.28 shall
be permitted to be updated as of the Closing Date, and such  representations and
warranties shall be permitted to be modified by such updates to the extent,  and
only to the extent, that any such changes reflect actions or inactions occurring
after the date  hereof  and that are not in  violation  of Section  5.1  hereof,
subject to the provisions of Section 7.12.

         7.2      Consents.   All   Consents,   approvals   and   waivers   from
governmental authorities and other parties necessary to permit Princeton and the
Stockholders  to  consummate  the  Merger  as  contemplated  hereby  and  by the
Ancillary  Agreements  and for the  operation of the Business  after the Closing
(including all required  third party  consents  under the Contracts)  shall have
been  obtained.  CHC shall be satisfied  that all approvals  required  under any
Regulations  to  permit   Princeton  and  the  Stockholders  to  carry  out  the
transactions  contemplated  by  this  Agreement  and  the  Ancillary  Agreements
(including,  without  limitation,  the  expiration or termination of the waiting
period under the HSR Act, if applicable) shall have been obtained.

         7.3      No  Actions  or  Court   Orders.   No  Action  by  any  court,
governmental  authority or other Person shall have been instituted or threatened
which questions the validity or legality of the transactions contemplated hereby
and by the Ancillary Agreements and which could reasonably be expected to damage
CHC,  the Assets or the Business  materially  if the  transactions  contemplated
hereby or thereby are consummated,  including any material adverse effect on the
right or ability of CHC to own, operate or transfer Princeton after the Closing.
There shall not be any  Regulation or Court Order that makes the  acquisition of
the Princeton Stock contemplated hereby illegal or otherwise  prohibited or that
otherwise may have a Princeton Material Adverse Effect.

         7.4      Closing Documents.  Princeton and/or the Stockholders,  as the
case may be, shall have delivered to CHC the documents and other items described
in Section 8.1 and such other documents and items as CHC may reasonably require.

         7.5      Exemption  under  Federal  and  State   Securities  Laws.  The
issuance  of shares of CHC Stock in the Merger  shall not violate any federal or
state securities laws.
<PAGE>
         7.6      Princeton  Balance  Sheet.  On the Closing  Date,  immediately
prior to the Closing,  there shall be no  indebtedness  on  Princeton's  balance
sheet  other than  payables  incurred by  Princeton  in the  ordinary  course of
business  consistent with past practice.  In addition,  the aggregate  amount of
cash, cash equivalents and accounts  receivable on Princeton's  balance sheet as
of the Closing Date shall exceed its accounts payable.

         7.7      Completion  of CHC  Diligence.  CHC shall have  completed  its
business and legal due  diligence  to its  satisfaction,  in its sole  judgment;
provided, however, this condition shall be deemed satisfied or waived unless CHC
notifies Princeton in writing prior to February 27, 1998 that this condition has
not been met.

         7.8      Stockholder  Consent.  The Principal  Stockholders  shall have
executed  the  Stockholder  Consent and  Princeton  shall have taken all further
actions related to the due  authorization of the Merger as may be required under
the NJBCA.

         7.9      Delivery  of  Certificates.   Each   Stockholder   shall  have
delivered  to  CHC  the  Certificate  or  Certificates  representing  shares  of
Princeton  Stock  held  by  such  Stockholder,  together  with a  duly  executed
Transmittal Letter, (including counterpart signature pages to this Agreement and
the Escrow Agreement).

         7.10     Board of  Directors  Approval.  The  Merger  shall  have  been
approved by appropriate action of the Board of Directors of CHC.

         7.11     Tax Matters.

                  (a) No new  elections  with  respect  to Taxes,  or changes in
current  elections  with  respect to Taxes,  affecting  Princeton  or any of its
Subsidiaries  shall have been made after the date of this Agreement  without the
prior written consent of CHC, which consent shall not be unreasonably withheld.

                  (b) Princeton and each Stockholder  surrendering  Certificates
on the Closing Date in accordance with Section 2.7(b)(i) shall have provided CHC
with (i) all forms,  certificates  and/or other instruments  required to pay the
transfer  and  recording  taxes  and  charges  arising  from  the   transactions
contemplated by this Agreement,  together with evidence satisfactory to CHC that
such transfer taxes and charges have been paid by Princeton or such Stockholder,
and (ii) a clearance certificate or similar document(s) which may be required by
any state  taxing  authority  to relieve CHC of any  obligation  to withhold any
portion of the payments to such Stockholder pursuant to this Agreement.

         7.12     Material  Adverse  Change.  There  shall  not  have  been  any
Princeton Material Adverse Change.

                                   ARTICLE 8.

                                     CLOSING

         On the Closing Date at the Closing Place:

         8.1      Deliveries by Princeton and the Stockholders to CHC. Princeton
and each Stockholder, as applicable, shall deliver (or cause to be delivered) to
CHC:

         (a)      the Ancillary Agreements,  duly executed by each party thereto
other than CHC and Sub;
<PAGE>
         (b)      any  Consents  required  to be obtained  by  Princeton  or the
Principal Stockholders;

         (c)      the   Princeton   Closing   Certificate   and   each   of  the
                  Stockholder's Closing Certificates;

         (d)      an opinion of Buchanan Ingersoll, counsel to Princeton and the
Stockholders, dated as of the Closing Date, in a form reasonably satisfactory to
CHC;

         (e)      a statement  prepared in  accordance  with Section 1445 of the
Code and Treasury Regulations  thereunder  certifying that Princeton is not, and
was not at any time after  January  1,  1993,  a "United  States  real  property
holding corporation" within the meaning of Section 897(c)(2) of the Code.

         (f)      a fully  executed  Affiliate  Letter  from each of the Persons
identified on Schedule 5.5 hereof;

         (g)      a letter (the "Pooling Letter"),  dated the Closing Date, from
the independent  certified public  accountants of Princeton and CHC, which shall
be satisfactory  to CHC in its sole  discretion,  stating without  qualification
that the accounting for the business combination  contemplated in this Agreement
and the Ancillary Agreements qualifies as a "pooling of interests" under Opinion
16 of the Accounting Principles of Board and applicable rules and regulations of
the SEC;

         (h)      the  Stockholder  Consent,   duly  executed  by  each  of  the
Principal Stockholders;

         (i)      all Certificates representing the shares of Princeton Stock to
be canceled in connection with the Merger on the Closing Date in accordance with
Section  2.7(b),  together  with a duly  executed  Transmittal  Letter from each
holder thereof;

         (j)      confirmation  from the Persons  listed on Schedule 2.13 hereof
the  amount  of  fees  owed to each  of  them  in  respect  of the  transactions
contemplated hereby; and

         (k)      such other  documents  and  certificates  duly executed as may
reasonably be requested by CHC or Sub prior to the Closing Date.

         8.2      Deliveries  by  CHC.  CHC  shall  deliver  to the  Stockholder
Representative for the benefit of the Stockholders,  to the Stockholders, or any
other appropriate Persons:

         (a)      the Ancillary  Agreements to which CHC or Sub is a party, duly
executed by them;

         (b)      any Consents required to be obtained by CHC;

         (c)      the CHC Closing Certificate;

         (d)      an opinion of Latham &  Watkins,  counsel to CHC,  dated as of
the Closing Date, in a form reasonably satisfactory to Princeton;

         (e)      the   Merger   Shares  to  be   issued  to  each   Stockholder
surrendering  Certificates  on the  Closing  Date  in  accordance  with  Section
2.7(b)(i);
<PAGE>
         (f)      cash in lieu of any  fractional  shares as provided in Section
2.6(c); and

         (g)      such other  documents  and  certificates  duly executed as may
reasonably be requested by Princeton or the Stockholder  Representative prior to
the Closing Date.

                                   ARTICLE 9.

                                 INDEMNIFICATION

         9.1      Survival of Representations,  Etc. All statements contained in
this  Agreement,  any schedule or in any certificate or instrument of conveyance
delivered  by or on behalf  of the  parties  pursuant  to this  Agreement  or in
connection  with  the  transactions  contemplated  hereby,  including,   without
limitation,  the Transmittal Letters,  shall be deemed to be representations and
warranties by such party hereunder. The representations and warranties contained
herein  shall  survive the Closing Date (and claims based upon or arising out of
such representations and warranties, as well as any claims based upon or arising
out of any covenants and agreements herein or made hereunder, may be asserted at
any time  before the date  which  shall be) until the first  anniversary  of the
Closing  Date;   provided,   however,  (a)  Princeton's  and  the  Stockholders'
representations  and  warranties  in  Section  3.23  (Taxes)  and  Section  3.10
(Environmental Matters) and Section 3.19 (ERISA) shall survive the Closing until
the expiration of all relevant statutes of limitation  (including any extensions
thereof) and (b) the Stockholders'  representations  and warranties set forth in
Article 3A (Stockholders'  Ownership of Stock) shall survive the Closing Date in
perpetuity.  No  investigation  made by any of the parties hereto (whether prior
to, on or after the Closing Date) shall in any way limit the representations and
warranties  of  the  parties.  On  the  Closing  Date  all  representations  and
warranties   contained  in  this   Agreement  and  made  by  Princeton  and  the
Stockholders  shall expire as to Princeton and thereafter will be deemed to have
been  made   exclusively   by  the   Stockholders.   The   termination   of  the
representations  and warranties provided herein shall not affect the rights of a
party in respect of any claim  made by such party in a writing  received  by the
other party prior to the expiration of the applicable  survival  period provided
herein.

         9.2      Indemnification.

                  (a)      General.

                           (i)      Subsequent to the Closing,  the Stockholders
shall, jointly and severally,  indemnify CHC, its Affiliates,  and each of their
respective,  officers,  directors,  employees,  stockholders  and  agents  ("CHC
Indemnified  Parties")  against,  and hold each of the CHC  Indemnified  Parties
harmless from any damage,  claim,  loss, cost,  liability or expense,  including
without limitation, interest, penalties, reasonable attorneys' fees and expenses
of  investigation,  diminution  of value,  response  action,  removal  action or
remedial action  (collectively  "Damages")  incurred by any such CHC Indemnified
Party,  that are incident to, arise out of, in  connection  with, or related to,
whether directly or indirectly, (A) the breach of any warranty,  representation,
covenant  or  agreement  of  Princeton  or any  Stockholder  contained  in  this
Agreement  or  any  schedule  hereto  or in any  certificate  or  instrument  of
conveyance (including,  without limitation, any Transmittal Letter) delivered by
or on behalf of  Princeton or any such holder  pursuant to this  Agreement or in
connection with the transactions contemplated hereby, other than any warranty or
<PAGE>
representation  contained  in  Article  3A of this  Agreement  or (B) any Actual
Excess  Stockholder  Expenses that were not  reflected as Estimated  Stockholder
Expenses for purposes of calculating the Merger Consideration.

                           (ii)     Subsequent to the Closing,  each Stockholder
shall, severally and not jointly, indemnify the CHC Indemnified Parties against,
and hold each of the CHC Indemnified Parties harmless from, any Damages incurred
by such CHC Indemnified Party, that are incident to, arise out of, in connection
with, or related to, whether directly or indirectly,  the breach of any warranty
or representation of such Stockholder contained in Article 3A of this Agreement,
or any warranty or  representation  of  substantially  similar subject matter to
those  contained  in  Section 3A of this  Agreement  that are  contained  in any
schedule  hereto or in any  certificate or instrument of conveyance  (including,
without  limitation,  any Transmittal  Letter) delivered by or on behalf of such
holder  pursuant  to this  Agreement  or in  connection  with  the  transactions
contemplated hereby.

                           (iii)    Subsequent   to  the   Closing,   CHC  shall
indemnify  the  Stockholders  their  Affiliates,  and each of  their  respective
partners, officers, directors,  employees,  stockholders and agents, as the case
may be  ("Stockholder  Indemnified  Parties"),  against,  and  hold  each of the
Stockholder  Indemnified  Parties  harmless from,  any Damages  incurred by such
Stockholder Indemnified Party, that are incident to, arise out of, in connection
with, or related to, whether directly or indirectly, the breach of any warranty,
representation, covenant or agreement of CHC or Sub contained in this Agreement,
any schedule or in any  certificate or instrument of conveyance  delivered by or
on behalf of CHC or Sub  pursuant to this  Agreement or in  connection  with the
transactions contemplated hereby.

         The  term  "Damages"  as used in this  Section  9.2 is not  limited  to
matters asserted by third parties against Stockholder Indemnified Parties or CHC
Indemnified  Parties, but includes Damages incurred or sustained by such persons
in the absence of third party claims.

                  (b)      Procedure for Claims.

                           (i)      If a claim for  Damages (a "Claim") is to be
made by a person entitled to indemnification hereunder, the person claiming such
indemnification (the "Indemnified  Party"),  subject to clause (ii) below, shall
give  written  notice  (a  "Claim  Notice")  to  the  indemnifying  person  (the
"Indemnifying  Party") (or, if the Indemnifying  Party is a Stockholder or group
of Stockholders,  the Stockholder  Representative)  as soon as practicable after
the  Indemnified  Party becomes aware of any fact,  condition or event which may
give rise to Damages for which  indemnification may be sought under this Section
9.2. The failure of any Indemnified  Party to give timely notice hereunder shall
not affect rights to  indemnification  hereunder,  except and only to the extent
that, the Indemnifying  Party (or, if the Indemnifying Party is a Stockholder or
group of  Stockholders,  the  Stockholder  Representative)  demonstrates  actual
material  damage  caused by such failure.  In the case of a Claim  involving the
assertion  of a claim by a third party  (whether  pursuant to a lawsuit or other
legal action or otherwise,  a "Third-Party  Claim"),  if the Indemnifying  Party
(or, if the Indemnifying  Party is a Stockholder or group of  Stockholders,  the
Stockholder  Representative)  shall  acknowledge  in writing to the  Indemnified
Party  that  the  Indemnifying   Party  shall  be  obligated  to  indemnify  the
Indemnified Party under the terms of its indemnity  hereunder in connection with
such Third-Party Claim, then (A) the Indemnifying Party (or, if the Indemnifying
Party is a Stockholder or group of Stockholders, the Stockholder Representative)
shall be entitled and, if it so elects, shall be obligated at its own cost, risk
<PAGE>
and  expense  (or,  if the  Person  making  such  election  is  the  Stockholder
Representative,  at the cost,  risk and expense of the  Stockholder  or group of
Stockholders that is the Indemnifying Party), (1) to take control of the defense
and  investigation  of such  Third-Party  Claim  and (2) to pursue  the  defense
thereof in good faith by appropriate  actions or  proceedings  promptly taken or
instituted and diligently pursued, including,  without limitation, to employ and
engage  attorneys of its own choice  reasonably  acceptable  to the  Indemnified
Party to handle and defend the same, and (B) the Indemnifying  Party (or, if the
Indemnifying  Party is a Stockholder or group of  Stockholders,  the Stockholder
Representative)  shall be  entitled  (but not  obligated),  if it so elects,  to
compromise or settle such claim,  which  compromise or settlement  shall be made
only with the written consent of the Indemnified  Party,  such consent not to be
unreasonably  withheld.  In  the  event  the  Indemnifying  Party  (or,  if  the
Indemnifying  Party is a Stockholder or group of  Stockholders,  the Stockholder
Representative)  elects to assume  control of the defense and  investigation  of
such lawsuit or other legal action in accordance with this Section  9.2(b),  the
Indemnified  Party  may,  at  its  own  cost  and  expense,  participate  in the
investigation,  trial and defense of such Third-Party  Claim;  provided that, if
the  named  persons  to a  lawsuit  or  other  legal  action  include  both  the
Indemnifying Party (or the Stockholder  Representative  acting on behalf of such
Indemnifying Party) and the Indemnified Party and the Indemnified Party has been
advised  in writing  by  counsel  that  there may be one or more legal  defenses
available to such  Indemnified  Party that are  different  from or additional to
those available to the  Indemnifying  Party (or the  Stockholder  Representative
acting on behalf of such  Indemnifying  Party),  the Indemnified  Party shall be
entitled,  at the  Indemnifying  Party's  cost,  risk and  expense,  to separate
counsel of its own choosing.  If the Indemnifying Party (or, if the Indemnifying
Party is a Stockholder or group of Stockholders, the Stockholder Representative)
fails to assume the defense of such  Third-Party  Claim in accordance  with this
Section  9.2 within 10  calendar  days after  receipt of the Claim  Notice,  the
Indemnified  Party against which such Third-Party  Claim has been asserted shall
(upon  delivering  notice to such effect to the  Indemnifying  Party (or, if the
Indemnifying  Party is a Stockholder or group of  Stockholders,  the Stockholder
Representative)  have the right to undertake,  at the Indemnifying Party's cost,
risk and expense,  the defense,  compromise and  settlement of such  Third-Party
Claim on behalf of and for the account of the Indemnifying Party;  provided that
such  Third-Party  Claim shall not be compromised or settled without the written
consent  of  the  Indemnifying  Party  (or,  if  the  Indemnifying  Party  is  a
Stockholder or group of  Stockholders,  the Stockholder  Representative),  which
consent shall not be unreasonably  withheld. In the event the Indemnifying Party
(or, if the Indemnifying  Party is a Stockholder or group of  Stockholders,  the
Stockholder  Representative)  assumes the defense of the claim, the Indemnifying
Party (or, if the Indemnifying  Party is a Stockholder or group of Stockholders,
the  Stockholder  Representative)  shall keep the Indemnified  Party  reasonably
informed of the progress of any such defense,  compromise or settlement,  and in
the  event  the  Indemnified  Party  assumes  the  defense  of  the  claim,  the
Indemnified  Party shall keep the  Indemnifying  Party (or, if the  Indemnifying
Party is a Stockholder or group of Stockholders, the Stockholder Representative)
reasonably  informed  of  the  progress  of  any  such  defense,  compromise  or
settlement.  The  Indemnifying  Party shall be liable for any  settlement of any
Third-Party  Claim effected  pursuant to and in accordance with this Section 9.2
and  for  any  final  judgment  (subject  to  any  right  of  appeal),  and  the
Indemnifying  Party agrees to indemnify and hold harmless each Indemnified Party
from and against any and all Damages by reason of such settlement or judgment.

                           (ii)     Notwithstanding  clause  (i)  above,  in the
event that any Indemnified Party is a Stockholder  Indemnified  Party, any Claim
Notice,  election or other  notification or correspondence  required pursuant to
such  clause  (i)  shall  only be valid if it is  delivered  by the  Stockholder
<PAGE>
Representative to CHC or Princeton.  Each Principal Stockholder hereby, and each
Stockholder that is not a Principal Stockholder by such Stockholder's  execution
and delivery of a  Transmittal  Letter,  irrevocably  appoints  the  Stockholder
Representative as its agent and attorney-in-fact with respect to the matters set
forth in this  Article  9, and  hereby  irrevocably  grants  to the  Stockholder
Representative the authority to administer Claims on behalf of such Stockholder,
to exercise such other rights and powers as are set forth in this  Agreement and
to enter into, and to bind such  Stockholder  with respect to, the settlement of
any such  Claim.  Each CHC  Indemnified  Party  shall be entitled to rely on the
agreements and  representations of, and notices and other  correspondence  from,
the Stockholder  Representative as such agent and attorney-in-fact in connection
with any Claim by or against any  Stockholder  pursuant  to this  Article 9. For
purposes of this Section  9.2(b)(ii)  the  Stockholder  Representative  shall be
entitled to rely on the direction of (y) the Majority  Holders,  with respect to
any Claims pursuant to Section 9.2(a)(i),  and (z) the Indemnifying  Party, with
respect to any Claim pursuant to Section 9.2(a)(ii).

         9.3      No Right of  Contribution.  After the Closing,  no Stockholder
shall have any right of contribution  against the Surviving  Corporation for any
breach of any representation,  warranty, covenant or agreement of Princeton. The
Stockholders  and CHC shall be entitled to specific  performance  and injunctive
relief,  without  posting bond or other  security,  for the purpose of asserting
their  respective  rights under this  Article 9. The remedies  described in this
Article 9 shall be in addition to, and not in lieu of, any other remedies at law
or in equity that the parties may elect to pursue.

         9.4      Escrow of Merger Shares.  If the Escrow Agreement is in effect
at the time an assertion of  indemnification is made by a CHC Indemnified Party,
the obligations of the Stockholders  hereunder with respect to the Damages shall
be satisfied first by the  distribution  to the CHC Indemnified  Party of Merger
Shares held  pursuant  to the Escrow  Agreement  and,  only  thereafter,  by the
Stockholders directly.

         9.5      Threshold; Limitations on Indemnity.

                  (a) Except with respect to the indemnification obligations set
forth in Section  9.2(a)(i)(B)  hereof, the CHC Indemnified Parties shall not be
entitled to recover for any  Damages  until such time as the Damages  claimed by
the CHC  Indemnified  Parties in the  aggregate  exceed  $100,000  (the  "Damage
Threshold"),  at which time the CHC Indemnified  Parties shall be entitled to be
indemnified  against  and  compensated  and  reimbursed  for all  such  Damages,
including the initial $100,000 thereof.

                  (b) The Stockholder  Indemnified Parties shall not be entitled
to  recover  for any  Damages  until  such time as the  Damages  claimed  by the
Stockholder Indemnified Parties in the aggregate exceed the Damage Threshold, at
which  time  the  Stockholder  Indemnified  Parties  shall  be  entitled  to  be
indemnified  against  and  compensated  and  reimbursed  for all  such  Damages,
including the initial $100,000 thereof.

                  (c) No individual  Stockholder shall be liable with respect to
the  indemnification  obligations set forth in Section 9.2(a)(i) or (ii) for any
amount in excess of the value of the Merger Shares acquired by such  Stockholder
in connection with the Merger, based on a per-share value equal to the Effective
Average Share Price.

                  (d) The CHC  Indemnified  Parties shall not be liable,  in the
aggregate, with respect to the indemnification  obligations set forth in Section
9.2(a)(iii) for any amount in excess of the Merger Consideration.
<PAGE>
                                   ARTICLE 10.

                              RESTRICTIVE COVENANTS

         10.1     Non-Competition.  If the Merger is  consummated,  neither  any
Principal  Stockholder nor any of his or its Affiliates  shall,  for a period of
three (3) years  after the  Effective  Date,  directly  or  indirectly,  engage,
anywhere in the United States, in (i) the sale or offering or promoting for sale
of any product,  process,  good or service which is the same as, is functionally
similar to, or directly  competes  with, any product,  process,  good or service
which  Princeton  has sold or offered or  promoted  for sale within the five (5)
years preceding the Effective Date.

         10.2     Non-Solicitation  of  Employees  of  CHC.  If  the  Merger  is
consummated,  neither any Principal Stockholder nor any of his or its Affiliates
shall  directly or  indirectly,  for himself or itself or on behalf of any other
individual  or  entity,  hire any  employee  of CHC or any of its  Subsidiaries,
including, without limitation, any employees of Princeton, or induce nor attempt
to induce any such  employee to leave his or her  employment  with CHC or any of
its Subsidiaries, at any time within three (3) years from the Effective Date. If
the Merger is not consummated,  neither Princeton, any Principal Stockholder nor
any of his or their  respective  Affiliates  shall directly or  indirectly,  for
himself or itself or on behalf of any other  individual  or  entity,  induce any
such  employee  to  leave  his  or  her  employment  with  CHC  or  any  of  its
Subsidiaries, at any time within one (1) year from the date of written notice of
termination of this Agreement.

         10.3     Non-Solicitation  or Interference with Customers and Suppliers
of CHC. If the Merger is consummated,  neither any Principal Stockholder nor any
of his or its Affiliates shall, directly or indirectly, for himself or itself or
on behalf of any other  individual  or  entity,  solicit,  divert,  take away or
attempt to take away any of CHC's or any of its Subsidiaries'  current customers
or suppliers or the business or patronage of any such  customers or suppliers or
in any way  knowingly  interfere  with,  disrupt or attempt to disrupt  any then
existing  relationships  between CHC or any of its Subsidiaries and any of their
current  customers  or  suppliers  at any time  within  three (3) years from the
Effective  Date.  If the  Merger  is not  consummated,  neither  Princeton,  any
Principal  Stockholder nor any of their respective Affiliates shall, directly or
indirectly,  for  himself  or itself or on  behalf  of any other  individual  or
entity, solicit, divert, take away or attempt to take away any current customers
or  suppliers  of CHC  or any of its  Subsidiaries  made  known  in  writing  to
Princeton or such Principal  Stockholder  by CHC during the  negotiation of this
Agreement or subsequent to its signing, or the business or patronage of any such
customers  or suppliers or in any way  knowingly  interfere  with or disrupt any
then existing  relationships between CHC or any of its Subsidiaries,  and any of
such  customers or suppliers at any time within three (3) years from the date of
written notice of termination of this Agreement.

         10.4     Non-Solicitation  or Interference with Customers and Suppliers
of  Princeton.  If the  Merger is not  consummated,  neither  CHC nor any of its
Affiliates shall,  directly or indirectly,  for itself or on behalf of any other
individual or entity, solicit,  divert, take away or attempt to take away any of
Princeton's  current  customers  or  suppliers  made  known in writing to CHC by
Princeton during the negotiation of this Agreement or subsequent to its signing,
or the business or  patronage  of any such  customers or suppliers or in any way
knowingly  interfere  with,  disrupt or attempt  to  disrupt  any then  existing
relationships  between  Princeton and any of such  customers or suppliers at any
time within one (1) year from the date of written  notice of termination of this
Agreement.
<PAGE>
         10.5     Non-Solicitation  of Employees of Princeton.  If the Merger is
not  consummated,  neither  CHC  nor any of its  Affiliates  shall  directly  or
indirectly,  for itself or on behalf of any other individual or entity, hire any
employee of Princeton or induce any such employee to leave his or her employment
with Princeton at any time within five (5) years from the date of written notice
of termination of this Agreement.

         10.6     Acknowledgments. Each Principal Stockholder acknowledges that,
in view of the nature of Princeton's business and the business objectives of CHC
in  acquiring  Princeton,  and  the  consideration  paid  in the  Merger  to the
Principal  Stockholders  therefor, the restrictions contained in this Article 10
are reasonably necessary to protect the legitimate business interests of CHC and
that any violation of such restrictions will result in irreparable injury to CHC
and the  business CHC has acquired  hereunder  for which  damages will not be an
adequate remedy. Each Principal Stockholder therefore  acknowledges that, if any
such  restrictions  are  violated,  CHC shall be  entitled  to  preliminary  and
injunctive  relief as well as to an equitable  accounting of earnings,  profits,
and other benefits arising from such violation.

                                   ARTICLE 11.

                                  MISCELLANEOUS

         11.1     Termination.

                  (a)      This Agreement may be terminated at any time prior to
                           Closing:

                           (i)      By  mutual   written   consent  of  CHC  and
Princeton;

                           (ii)     By CHC or Princeton if the Closing shall not
have  occurred  on or before  April 1, 1998,  other than due to a breach of this
Agreement by the party seeking to terminate;

                           (iii)    By CHC if there is a material  breach of any
representation  or  warranty  set forth in  Article 3 or 3A or any  covenant  or
agreement  to be  complied  with or  performed  by  Princeton  or any  Principal
Stockholder pursuant to the terms of this Agreement,  so long as any such breach
is not caused by the action or inaction of CHC;

                           (iv)     By CHC if CHC notifies  Princeton in writing
prior to February 27, 1998 that it is not satisfied  with its  diligence  review
pursuant to Section 7.7; or

                           (v)      By Princeton  if there is a material  breach
of any  representation  or  warranty  set  forth in  Article  4 hereof or of any
covenant or agreement to be complied with or performed by CHC or Sub pursuant to
the terms of this  Agreement,  so long as any such  breach is not  caused by the
action or inaction of Princeton or any of the Principal Stockholders.

                  (b) In the event of termination of this Agreement:

                           (i)      The   provisions   of  the   Confidentiality
Agreement shall continue in full force and effect; and
<PAGE>
                           (ii)     No party hereto shall have any  liability to
any other party to this Agreement,  except for any willful breach of, or knowing
misrepresentation  made  in,  this  Agreement  occurring  prior  to  the  proper
termination of this Agreement.

         11.2     Certain  Securities  Laws   Representations.   Each  Principal
Stockholder  represents  as follows  with  respect  to the  Merger  Shares to be
acquired in connection with the Merger:

                  (a) (i) Such Principal Stockholder is an "accredited investor"
as such term is defined in Rule 501(a) promulgated under the Securities Act; or

                      (ii) Such  Principal  Stockholder  has such  knowledge and
experience  in  financial  and  business  matters  that he or she is  capable of
evaluating the merits and risks of the investment in the Merger Shares;

                  (b) Such  Principal  Stockholder  is receiving such shares for
investment  for its own  account  and  not  with a view  to,  or for  resale  in
connection with, the distribution or other  disposition  thereof,  other than as
contemplated hereby;

                  (c) Such Principal  Stockholder has been given the opportunity
to obtain any  information  or documents  relating to, and to ask  questions and
receive answers about,  CHC and the business and prospects of CHC which it deems
necessary to evaluate  the merits and risks  related to its  investment  in such
shares and to verify the information received, and such Principal  Stockholder's
knowledge and  experience in financial and business  matters are such that it is
capable of evaluating the merits and risks of its receipt of such shares;

                  (d) Such Principal  Stockholder's  financial condition is such
that it can  afford to bear the  economic  risk of  holding  the  shares  for an
indefinite  period  of time  and has  adequate  means  for  providing  for  such
Principal Stockholder's current needs and contingencies and to suffer a complete
loss of its investment in such shares;

                  (e)  All  information  that  such  Principal  Stockholder  has
provided  to CHC  concerning  itself and its  financial  position is correct and
complete; and

                  (f) Such Principal Stockholder has been advised that (i) CHC's
issuance of shares to the  Stockholders  will not have been registered under the
Securities  Act,  (ii) such  shares may need to be held  indefinitely,  and such
Principal  Stockholder must continue to bear the economic risk of the investment
in such shares unless they are subsequently  registered under the Securities Act
or an exemption from such  registration  is available,  (iii) there may not be a
public  market for such shares,  (iv) when and if such shares may be disposed of
without  registration in reliance on Rule 144  promulgated  under the Securities
Act, such disposition can be made only in limited amounts in accordance with the
terms  and  conditions  of such  Rule,  (v) if the  Rule  144  exemption  is not
available,  public sale without  registration  will require  compliance  with an
exemption  under  the  Securities  Act  and  (vi) a  restrictive  legend  in the
following form shall be placed on the certificates representing such shares:
<PAGE>
         THE SECURITIES REPRESENTED BY THIS CERTIFICATE HAVE NOT BEEN REGISTERED
UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE "SECURITIES ACT") OR QUALIFIED
UNDER ANY  APPLICABLE  STATE  SECURITIES  LAWS  (THE  "STATE  ACTS"),  HAVE BEEN
ACQUIRED FOR INVESTMENT AND MAY NOT BE SOLD, PLEDGED,  HYPOTHECATED OR OTHERWISE
TRANSFERRED EXCEPT PURSUANT TO A REGISTRATION STATEMENT UNDER THE SECURITIES ACT
AND  QUALIFICATION  UNDER THE STATE ACTS OR EXEMPTIONS FROM SUCH REGISTRATION OR
QUALIFICATION  REQUIREMENTS  (INCLUDING,  IN THE CASE OF THE SECURITIES ACT, THE
EXEMPTION  AFFORDED  BY RULE 144).  UNLESS  WAIVED BY COMPUTER  HORIZONS  CORP.,
COMPUTER HORIZONS CORP. SHALL BE FURNISHED WITH AN OPINION OF COUNSEL OPINING AS
TO THE AVAILABILITY OF EXEMPTIONS FROM SUCH  REGISTRATION AND QUALIFICATION AS A
PRECONDITION TO ANY SUCH TRANSFER.

         11.3     Assignment.  Neither this  Agreement  nor any of the rights or
obligations  hereunder may be assigned by Princeton or any Principal Stockholder
without  the prior  written  consent of CHC,  or by CHC or Sub without the prior
written consent of Princeton or the Principal Stockholders.

         11.4     Notices.   Unless  otherwise   provided  herein,  any  notice,
request, instruction or other document to be given hereunder by any party to the
other shall be in writing and  delivered  in person or by courier,  telegraphed,
telexed, sent by facsimile transmission,  sent via overnight delivery service or
mailed by  registered  or  certified  mail  (such  notice to be  effective  upon
receipt), as follows:

         If to a  Principal  Stockholder,  to  the  address  of  such  Principal
Stockholder as set forth on Annex 1 hereto.

         If prior to the Closing, to Princeton:

                  Princeton Softech, Inc.
                  1060 State Road
                  Princeton, New Jersey  08540
                  Fax:         (609) 497-0302
                  Attention:   Bruce D. Haislip

         With a copy to:

                  Buchanan Ingersoll
                  500 College Road East
                  Princeton, New Jersey  08540
                  Fax:         (609) 520-0360
                  Attention:   William J. Thomas

         If  to  CHC  or  Sub  or,  if  after  the  Closing,  to  the  Surviving
Corporation:

                  Computer Horizons Corp.
                  49 Old Bloomfield Avenue
                  Mountain Lakes, New Jersey  07046
                  Fax:         (973) 402-6293
                  Attention:   Dennis M. DiVenuta, General Counsel

         With a copy to:

                  Latham & Watkins
                  885 Third Avenue
                  New York, New York  10022
                  Fax          (212) 751-4864
                  Attention:   Samuel A. Fishman

or to such other place and with such other copies as either party may  designate
as to itself by written notice to the others.
<PAGE>
         11.5.    Choice of Law. This Agreement shall be construed,  interpreted
and the rights of the  parties  determined  in  accordance  with the laws of the
State of New York except with respect to matters of law  concerning the internal
corporate  affairs of any corporate entity which is a party to or the subject of
this Agreement,  and as to those matters the law of the jurisdiction under which
the respective entity derives its powers shall govern.

         11.6.    Descriptive 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.

         11.7.    Entire  Agreement;  Amendments  and Waivers.  This  Agreement,
together  with  all  exhibits  and  schedules  hereto,  and the  Confidentiality
Agreement,  constitute the entire agreement among the parties  pertaining to the
subject  matter  hereof  and  supersede  all prior  agreements,  understandings,
negotiations  and  discussions,  whether  oral or written,  of the  parties.  No
supplement,  modification  or waiver of this  Agreement  shall be binding unless
executed  in writing by the party to be bound  thereby.  No waiver of any of the
provisions of this Agreement shall be deemed or shall constitute a waiver of any
other  provision  hereof  (whether  or  not  similar),  nor  shall  such  waiver
constitute a continuing waiver unless otherwise expressly provided.

         11.8.    Counterparts.  This  Agreement  may be executed in one or more
counterparts,  each of  which  shall be  deemed  an  original,  but all of which
together shall constitute one and the same instrument.

         11.9.    Invalidity.  In  the  event  that  any  one  or  more  of  the
provisions  contained in this Agreement or in any other  instrument  referred to
herein,  shall, for any reason, be held to be invalid,  illegal or unenforceable
in any respect, such invalidity, illegality or unenforceability shall not affect
any other provision of this Agreement or any other such instrument.

         11.10.   Expenses.  Except as otherwise provided in this Agreement, CHC
will be liable for its and Sub's expenses,  and the Stockholders  will be liable
for the  Stockholder  Expenses,  incurred in  connection  with the  negotiation,
preparation, execution and performance of this Agreement.

         11.11.   Publicity.  Except as required by law or on advice of counsel,
neither  party  shall  issue  any press  release  or make any  public  statement
regarding the transactions contemplated hereby without the prior approval of the
other parties,  and the parties hereto shall issue a mutually  acceptable  press
release as soon as practicable after the date hereof and after the Closing Date.
Notwithstanding  the  foregoing,  CHC  shall be  permitted  to make  any  public
statement  without  obtaining  the consent of any other party  hereto if (i) the
disclosure is required by law and (ii) CHC has first used its reasonable efforts
to consult with (but not to obtain the consent of) the other  parties  about the
form and substance of such disclosure.

         11.12.   No Third Party Beneficiaries.  This Agreement shall be binding
upon and inure solely to the benefit of each party  hereto,  and nothing in this
Agreement,  express or implied,  is  intended to or shall  confer upon any other
person any right,  benefit or remedy of any nature whatsoever under or by reason
of this Agreement,  including, without limitation, by way of subrogation, except
as specifically set forth in Article 9 hereof.
<PAGE>


         IN WITNESS WHEREOF,  the parties hereto have executed this Agreement or
caused this Agreement to be duly executed on its behalf by its officer thereunto
duly authorized, as of the day and year first above written.

                                                  COMPUTER HORIZONS CORP.,
                                                   a New York corporation



                                                  By:      /s/John J. Cassese
                                                           ------------------
                                                              John J. Cassese
                                                  Its:        President



                                                  PS MERGER CORP.,
                                                  a New Jersey corporation



                                                  By:      /s/John J. Cassese
                                                           ------------------
                                                              John J. Cassese


                                                  Its:        President




                                                  PRINCETON SOFTECH, INC.,
                                                   a New Jersey corporation


                                                  By:      /s/Joseph A. Allegra
                                                           --------------------
                                                              Joseph A. Allegra

                                                  Its:        President

<PAGE>

                                                    THE PRINCIPAL STOCKHOLDERS



                                                      /s/ Joseph J. Allegra
                                                          -----------------
                                                          Joseph A. Allegra


                                                      /s/ Bruce D. Haislip
                                                          ---------------- 
                                                          Bruce D. Haislip


                                                      /s/ Richard J. Parente
                                                          ------------------
                                                          Richard J. Parente


                                                      /s/ Richard D. Specht
                                                          -----------------
                                                          Richard D. Specht


                                                      /s/ Don Cohen
                                                          --------- 
                                                          Don Cohen


                                                      /s/ Deborah Kebler
                                                          -------------- 
                                                          Deborah Kebler


                                                      /s/ David Hoeschele
                                                          --------------- 
                                                          David Hoeschele


                                                      /s/ Elaine Verna
                                                          ------------ 
                                                          Elaine Verna


                                                      /s/ David Craig
                                                          ----------- 
                                                          David Craig




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