STARBASE CORP
8-K, 1998-01-12
PREPACKAGED SOFTWARE
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                       SECURITIES AND EXCHANGE COMMISSION

                             WASHINGTON, D.C. 20549

                              --------------------


                                    FORM 8-K

                                 CURRENT REPORT

                              --------------------

     PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934



       Date of report (Date of earliest event reported): JANUARY 8, 1998



                              STARBASE CORPORATION
             (Exact Name of Registrant as Specified in its Charter)



            DELAWARE                       0-25612            33-0567363
 (State or Other Jurisdiction of    (Commission File       (I.R.S. Employer 
          Incorporation)                 Number)           Identification No.)


    18872 MACARTHUR BOULEVARD, SUITE 300
             IRVINE, CALIFORNIA                                 92612
  (Address of Principal Executive Offices)                    (Zip Code)

                                 (714) 442-4400
              (Registrant's telephone number, including area code)

                                       1
<PAGE>

                                                                 
         This  Current  Report on Form 8-K is filed by StarBase  Corporation,  a
Delaware  corporation (the "Company"),  in connection with the matters described
herein.


ITEM 5.  OTHER EVENTS

         On January 8,  1998,  the Company closed the first tranche of 600,000
units in a private  placement  offering of 1,200,000 units of equity  securities
of the Company (the "Series D Units").  Each Series D Unit consists of one share
of the  Company's  Series D  Preferred  Stock,  par value  $0.01 per share  (the
"Series D  Preferred  Stock"),  with  each  share of  Series D  Preferred  Stock
convertible  into a share or shares of common stock,  par value $0.01 per share,
of the  Company  (the  "Common  Stock"),  and one  non-transferable  warrant  to
purchase a 0.4166 share of Common Stock,  exercisable at $1.25 per share through
January 8, 2003. Each Series D Unit was offered at a subscription price of $1.25
per unit.

         On  January  8,  1998,  the  Company  commenced  a private  placement
offering of up to  1,600,000  units of equity  securities  of the  Company  (the
"Series E Units").  Each Series E Unit  consists  of one share of the  Company's
Series E Preferred  Stock,  par value  $0.01 per share (the  "Series E Preferred
Stock"), with each share of Series E Preferred Stock convertible into a share or
shares of Common Stock, and one non-transferable warrant to purchase a 0.5 share
of Common Stock, exercisable at $1.80 per share through the first anniversary of
the issuance  date of the warrants and  thereafter  at $2.00  through the second
anniversary  of the issuance  date of the  warrants.  Each Series E Unit will be
offered  at a  subscription  price of $1.25 per unit.  As of  January  8,  1998,
341,609 Series E Units were issued and sold.

         The  proceeds of the Series D and Series E private  placements  will be
used for general corporate  purposes,  including the launch of the Company's new
product,  StarTeam 3.0.

         The  Series  D  Units  and  the  Series  E Units  were  offered  to the
subscribers  in compliance  with Section 4(2) of the  Securities Act of 1933, as
amended (the "Act"), who are "accredited  investors" (as such term is defined in
Regulation D of the Act).  The shares of Common Stock and warrants sold have not
been  registered  under  the Act and may not be  offered  or sold in the  United
States absent registration or an exemption from the registration requirements of
the Act.


ITEM 7.  FINANCIAL STATEMENTS, PRO FORMA FINANCIAL INFORMATION AND EXHIBITS.

(b)         PRO FORMA FINANCIAL INFORMATION.
Pro Forma Balance Sheet (utilizing  November 30, 1997 numbers)      Page 4 
Statement of Operations (utilizing November 30, 1997 numbers)       Page 5

(c)      Exhibits.

4.1      Form of Subscription Agreement
 
4.2      Certificate of Designation (Series D Preferred Stock) of 
         StarBase Corporation, dated January 8,1998

4.3      Form of Registration Rights Agreement (Series D Units)

4.4      Form of Warrant (Series D Units)

4.5      Form of Securities Purchase Agreement (Series E Units)

4.6      Certificate of Designation (Series E Preferred Stock) of 
         StarBase Corporation, dated January 8, 1998

4.7      Form of Warrant (Series E Units)
                   
4.8      Form of Registration Rights Agreement (Series E Units)




                                      2
<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 thereunto duly authorized.

                                  STARBASE CORPORATION
                                  (Registrant)

JANUARY 9, 1998                   /S/ DONALD R. FARROW
- ----------------                  -------------------------------------
Date                              Donald R. Farrow
                                  President and Chief Operating Officer


                                       3
<PAGE>


                              STARBASE CORPORATION
                          (a development stage company)

                             PRO FORMA BALANCE SHEET
             (in thousands, except number of shares and par values)
<TABLE>
<CAPTION>
                                                                                    Pro Forma Adjustments
                                                                        ============================================
                                                                            Debt         
                                                         November 30,    Conversions     Financing                  
                                                             1997            (a)           (b)          Pro Forma    
                                                        --------------- ------------- --------------- -------------- 
                                                         (unaudited)     (unaudited)    (unaudited)     (unaudited)   
     <S>                                                <C>             <C>           <C>             <C>               
     ASSETS

     Current Assets:
       Cash and cash equivalents                        $       1,670   $           - $        1,059  $        2,729  
       Accounts receivable, net of allowances of $56              294               -              -             294            
       Notes and other receivables                                169               -              -             169       
       Prepaid expenses and deferred charges                      205               -              -             205        
       Inventories                                                 17               -              -              17        
                                                        --------------- -------------- -------------- --------------- 
         Total current assets                                   2,355               -          1,059           3,414    

     Property and equipment, net                                  632               -              -             632    
     Note receivable from officer                                  76               -              -              76   
     Other non-current assets                                     144               -              -             144   
                                                        --------------- -------------- -------------- --------------- 
     Total assets                                       $       3,207   $           - $        1,059  $        4,266  
                                                        =============== ============= =============== =============== 


     LIABILITIES AND SHAREHOLDERS' EQUITY

     Current Liabilities:
       Accounts payable and accrued liabilities         $       1,103   $         (21)$            -  $        1,082  
       Current portion of capital lease obligation                  9               -              -               9   
                                                        --------------- --------------- ------------- ---------------
         Total current liabilities                              1,112             (21)             -           1,091  

     Long-term debt:
       Capitalized lease obligation, less current       
         portion                                                   41               -              -              41            
       6% Convertible Debentures, net of discount of            
         $50                                                    1,495          (1,075)             -             420  
                                                        --------------- --------------- -------------- -------------- 
         Total long-term debt                                   1,536          (1,075)             -             461  

         Total liabilities                                      2,648          (1,096)             -           1,552

     Shareholders' equity:
     Preferred Stock, $.01 par value; authorized
         10,000,000; issued and outstanding -0-
         (November 30, 1997)                                        -               -              9               9  
       Common stock, $.01 par value; authorized
         50,000,000; issued and outstanding                       165              12              -             177
         16,537,897 (November 30, 1997)
      Additional paid-in capital                               29,139           1,084          1,050          31,273
      Deficit accumulated during development stage            (28,745)              -              -         (28,745)
                                                        --------------- --------------- -------------- --------------- 
       Total shareholders' equity                                 559           1,096          1,059           2,714
                                                        --------------- --------------- -------------- --------------- 
     Total liabilities and shareholders' equity         $       3,207   $           -   $      1,059   $       4,266
                                                        =============== =============== ============== =============== 
- --------------------
<FN>

(a)  To reflect the receipt of conversion notices from several holders of 6%
     Convertible Debentures into 1,220,534  shares of the Company's common stock
     during the period of December 1, 1997 through January 9, 1998.
(b)  To reflect subcription agreements with three investors to purchase 801,609 
     shares of the Company's preferred stock at $1.25 per share, including
     warrants to purchase 422,304 shares of the Company's common stock at prices
     ranging from $1.25-1.80 per share through January 8, 2003, net of estimated
     financing costs.

</FN>
</TABLE>
                                      4
<PAGE>


                              STARBASE CORPORATION
                          (a development stage company)

                             STATEMENT OF OPERATIONS
                                   (Unaudited)
                    (in thousands, except per share amounts)


<TABLE>
<CAPTION>

                                                                                            Eight
                                                            The Month                       Months
                                                              Ended                         Ended
                                                           November 30,                  November 30,      
                                                               1997                         1997
                                                           -------------                -------------
<S>                                                        <C>                          <C>

Revenues:
  Products                                                      138                          874
  License and royalty                                            54                          233
  Other                                                           -                            -
                                                           -------------                -------------
    Total revenues                                              192                         1107

Cost of Sales:
  Consulting services                                             -                            -
  Consulting services-related party                               -                            -
  Products, licenses and other                                   13                           78
                                                           -------------                -------------
    Total cost of sales                                          13                           78
                                                           -------------                -------------

Gross margin                                                    179                        1,029

Operating Expenses:
  Research and development                                      258                        1,511
  Selling, general and administrative                           555                        3,436
                                                           -------------                -------------
    Total operating expenses                                    813                        4,947
                                                           -------------                -------------

  Operating loss                                               (634)                      (3,918)

  Interest income                                                 8                           68
  Interest expense                                             (233)                        (914)
  Other income and expense                                       (8)                         (33)
                                                           -------------                -------------
  Total interest and other income and expense                  (233)                        (879)

Loss before income taxes                                       (867)                      (4,797)

  Provision for income taxes                                      0                            1
                                                           -------------                -------------
    Net loss                                              $    (867)                   $  (4,798)
                                                           =============                =============

</TABLE>
                                       5
<PAGE>

                                  EXHIBIT INDEX


Exhibit
 No.                                                                       
- ------                                                                    
                                                                   
4.1  Form of Subscription Agreement
 
4.2  Certificate  of  Designation   (Series  D  Preferred   Stock)  of  StarBase
     Corporation, dated January 8,1998

4.3  Form of Registration Rights Agreement (Series D Units)
 
4.4  Form of Warrant (Series D Units)

4.5  Form of Securities Purchase Agreement (Series E Units)

4.6  Certificate  of  Designation   (Series  E  Preferred   Stock)  of  StarBase
     Corporation, dated January 8, 1998

4.7  Form of Warrant (Series E Units)

4.8  Form of Registration Rights Agreement (Series E Units)





                              STARBASE CORPORATION

                           UNIT SUBSCRIPTION AGREEMENT



                  THIS UNIT  SUBSCRIPTION  AGREEMENT dated as of January 8, 1998
by and between StarBase Corporation, a Delaware corporation (the "COMPANY"), and
________, a __________ who resides in ________________ (the "PURCHASER").


                              W I T N E S S E T H :


                  WHEREAS,  the Company is offering to sell,  upon the terms and
subject to the conditions  hereinafter set forth, 1,200,000 units (the "UNITS"),
each Unit consisting of one share of the Company's Series D Preferred Stock, par
value  $0.01 per share (the  "SERIES D PREFERRED  STOCK"),  having the terms and
provisions set forth in the  certificate  of  designation to the  Certificate of
Incorporation of the Company,  attached hereto as Exhibit A (the "Certificate of
Designation"),  with each share of Series D Preferred Stock  convertible  into a
share or shares of common stock,  par value $0.01 per share (the "SHARES"),  and
one warrant to purchase 0.4166 share of Common Stock,  substantially in the form
of Exhibit B hereto (each, a "WARRANT"); and

                  WHEREAS,  the Purchaser  desires to purchase,  upon such terms
and subject to such  conditions,  the number of Units set forth on the signature
page hereof;

                  NOW,  THEREFORE,  in  consideration  of the  premises  and the
mutual  covenants  hereinafter  set forth,  the parties  hereto  hereby agree as
follows:


         1.       PURCHASE AND SALE OF UNITS

                  1.1      ISSUANCE AND SALE OF UNITS

     Upon the terms and subject to the conditions of this Agreement, the Company
shall sell to the Purchaser,  and the Purchaser shall purchase from the Company,
at a purchase  price,  in lawful money of the United States,  of $1.25 per Unit,
1,200,000  Units set forth opposite the  Purchaser's  name on the signature page
hereof  for the  aggregate  purchase  price set  forth  thereon  (the  "PURCHASE
PRICE").  The Purchaser  shall specify on the signature  page hereof the address
for any  notices  given  hereunder.  The  offer  and sale of the Units are being
effected in  accordance  with and in reliance on the  provisions of Regulation D
under the United  States  Securities  Act of 1933,  as amended  (the  "ACT") and
subsections 35(1)5 and 72(1)(d) of the Ontario Securities Act.

                                                                          
                                      - 1 -

<PAGE>



     The Units will be sold in two tranches of $750,000 each.  The first tranche
will be funded on the  Closing  Date (as defined  below) and the second  tranche
will be funded  upon the  second  business  day after the date (the  "Additional
Closing   Date")  the   registration   statement  is  declared   effective  (the
"Registration  Effective  Date").  The  second  tranche  will be  subject to the
following  conditions,  which  may be waived  by the  Purchaser  in its sole and
absolute  discretion (1) the daily trading value for the previous 20 days ending
on the day prior to the Registration  Effective Date is at least $30,000 and (2)
the  closing  bid  price has been at least  $0.88 for each of the five  previous
trading days ending on the day prior to the Registration Effective Date.

                  1.2      OFFERING EXPENSES

     Of the Purchase Price so payable by the Purchaser, an amount, not in excess
of $35,000, shall be applied to pay brokerage  commissions,  attorneys' fees and
disbursements  and other expenses incurred in connection with the offer and sale
of the Units  hereunder.  The Purchaser shall pay the legal fees of its counsel,
which fees shall not exceed $5,000 and shall be deducted from the Purchase Price
to be paid on the first tranche.

                  1.3      CLOSING

     Promptly upon the execution and delivery of this Agreement by the Company
and the Purchaser:

     a)      the Purchaser shall deliver to Parker Chapin Flattau & Klimpl, LLP,
at 1211 Avenue of the  Americas,  New York,  New York  10036-8735,  U.S.A.,
Attention:  Martin Eric Weisberg,  Esq. (the "CLOSING  AGENT"),  (i) an executed
copy of the  Agreement  (or a photocopy  or other  facsimile  thereof)  and (ii)
payment of the Purchase  Price for the first  tranche less $5,000 for legal fees
by wire transfer of immediately  available funds to the account specified by the
Closing Agent; and
    (b)      the Company shall deliver to the Closing Agent or to such person as
directed by the Closing Agent (i) certificates in denominations requested by the
Purchaser  registered in the name of the  Purchaser  or, if the Purchaser  shall
have designated a nominee,  such nominee,  representing  the number of shares of
Common Stock included within the Units purchased by the Purchaser hereunder (the
"CERTIFICATES"),  (ii) Warrants in  denominations  requested by the Purchaser to
purchase  shares of Common  Stock,  and (iii) the documents set forth in Section
5.5 hereof.

Promptly  upon  receipt of the funds and  documents  required so to be delivered
(the date upon which all such funds and documents  are actually  received by the
Closing Agent being hereinafter  referred to as the "CLOSING DATE"), the Closing
Agent shall (a) deliver the  Certificates,  Warrants and the documents set forth
in Sections 5.4 and 5.5.  hereof to the Purchaser (or its nominee,  if any), and
(b) pay over,  as directed,  the Purchase  Price to the Company.  Subject to the
conditions  set forth in Section 1.1, the  provisions  of this Section 1.3 shall
apply MUTATIS  MUTANDIS to the second tranche  funded on the Additional  Closing
Date.

                                      - 2 -

<PAGE>



                  1.4      REGISTRATION

       The Common Stock issuable upon conversion of the Series D Preferred Stock
and upon the exercise of the  Warrants  will be  registered  for resale no later
than 90 days from the closing date pursuant to a registration  statement on Form
S-3.  The  registration  statement  is to be filed within 30 days of the closing
date and shall be in a form  reasonably  satisfactory  to the Purchaser.  If the
registration  statement is not effective within 90 days, the Company will pay an
amount equal to 2% of the Purchase Price of the Units on the 91st day and at the
end of each 30-day period  thereafter until the registration  statement has been
declared effective.

         2.       REPRESENTATIONS AND WARRANTIES OF THE COMPANY

                  The Company hereby represents and warrants to the Purchaser as
follows:

                  2.1      ORGANIZATION AND GOOD STANDING

       The Company is a corporation duly organized, validly existing and in good
standing under the laws of the State of Delaware and has all requisite corporate
power and authority to carry on its business as now conducted.

                  2.2      CAPITALIZATION

       The authorized capital of the Company consisted of 50,000,000 shares of
Common  Stock,  of which  16,654,428  shares were issued and  outstanding  as of
December 31, 1997, of which none is treasury  stock,  and  10,000,000  shares of
preferred  stock,  par value $.01 per share (the  "PREFERRED  STOCK"),  of which
3,000,000  shares were  designated  Series A Preferred  Stock,  of which none is
issued and outstanding as of November 30, 1997; 2,500,000 shares were designated
Series B Preferred Stock, of which none is issued and outstanding as of November
30, 1997; 366,000 shares were designated Series C Preferred Stock, of which none
is issued and  outstanding  as of November 30, 1997;  and 1,200,000  shares were
designated Series D Preferred Stock, which shares may be issued pursuant to this
Agreement.  The number of outstanding shares of Common Stock and Preferred Stock
has not materially  changed since November 30, 1997. The  outstanding  shares of
Common Stock and Preferred Stock are all duly and validly authorized and issued,
fully paid and nonassessable.

                  2.3      AUTHORIZATION

       The Company has all requisite corporate power and authority to execute
and deliver this Agreement and to perform its  obligations  hereunder.  The
execution  and  delivery  of this  Agreement  by the Company  does not,  and the
performance of its obligations  hereunder will not, violate or conflict with any
provision  of the  Company's  Certificate  of  Incorporation  or  By-laws or any
material  agreement to which the Company is a party. All corporate action on the
part of the Company  required for the  authorization,  execution and delivery of
this Agreement and the

                                                         
                                      - 3 -

<PAGE>



performance of its obligations hereunder, including the issuance and delivery of
the Units,  has been taken.  This Agreement has been duly executed and delivered
by the  Company,  and  assuming due  execution  and  delivery by the  Purchaser,
constitutes a valid and legally binding obligation of the Company enforceable in
accordance  with its  terms,  except as limited  by (i)  applicable  bankruptcy,
insolvency,  reorganization,  moratorium,  and other laws of general application
affecting   enforcement  of  creditors'  rights  generally  and  (ii)  equitable
principles  relating to the  availability  of specific  performance,  injunctive
relief and other equitable remedies.

                  2.4      VALID ISSUANCE OF SERIES D PREFERRED D STOCK

      The Series D Preferred Stock which is being purchased by the Purchaser
hereunder is duly authorized and, when issued,  sold and delivered in accordance
with  the  terms  hereof,  will be duly  and  validly  issued,  fully  paid  and
nonassessable,  and,  based upon the  representations  of the  Purchaser in this
Agreement,  will be issued in compliance with the  registration  requirements of
all applicable federal and state securities laws. The Common Stock issuable upon
conversion of the Series D Preferred Stock and upon the exercise of the Warrants
is duly authorized and has been duly and validly reserved for issuance and, upon
issuance to the Purchaser in accordance with the terms of the Series D Preferred
Stock  and the  Warrants,  will be duly  and  validly  issued,  fully  paid  and
nonassessable,  and issued in compliance with the  registration  requirements of
all applicable  federal and state  securities laws or exemptions  therefrom,  as
presently in effect, of the United States.

                  2.5      GOVERNMENTAL CONSENTS

      Except for the filing of the Certificate of Designation with the Secretary
of State of the State of Delaware and the filing of the Form 20 with the
Securities Commission of Ontario, no consent, approval or authorization of,
or  designation,  declaration  or filing on the part of the  Company  with,  any
United States federal or state governmental  authority or Nasdaq SmallCap Market
or,  to the  best  knowledge  of the  Company,  with  any  foreign  governmental
authority,  is required in connection  with the valid  execution and delivery of
this Agreement,  or the offer, sale or issuance of the Units or the consummation
of any other transaction contemplated hereby.

                  2.6      OFFERING

      Based upon the Purchaser's representations set forth in Section 3 of this
Agreement,  the offer,  sale and issuance of the Units as  contemplated  by this
Agreement are exempt from the registration  requirements of the Act, and neither
the Company nor any  authorized  agent acting on its behalf has taken any action
that would cause the loss of such exemption.  The offer and sale of the Units is
not a transaction (or any element of a series of  transactions)  that is part of
any plan or scheme to evade the registration provisions of the Act.



                                      - 4 -

<PAGE>



                  2.7      FILINGS UNDER THE ACT AND THE SECURITIES EXCHANGE ACT

      The Company has timely filed all reports and other documents required to
be filed by it under the Act and the United States Securities  Exchange Act
of 1934,  as amended (the  "EXCHANGE  ACT") for a period of at least twelve (12)
months prior to the date hereof, and no such document, at the time it was filed,
contained any untrue statement of a material fact or omitted to state a material
fact necessary to make the  statements  contained  therein,  in the light of the
circumstances  under  which they were made,  not  misleading.  There has been no
material  change in the Company  since its last filing with the  Securities  and
Exchange Commission.

                  2.8      REPORTING COMPANY; NASDAQ LISTING

      The Company has registered its Common Stock pursuant to Section 12 of the
Exchange  Act and the Common  Stock is listed and traded on the Nasdaq  SmallCap
Market.

                  2.9      RESERVATION OF COMMON STOCK

      The Company has reserved 2,579,835 shares of Common Stock for issuance
upon exercise of all outstanding options and warrants.

         3.       REPRESENTATIONS AND WARRANTIES OF THE PURCHASER

      The Purchaser hereby represents and warrants to the Company as
follows:

                  3.1      NATURE OF PURCHASER

                           [Insert]

                  3.2      AUTHORIZATION

      The Purchaser has all requisite power and authority to execute and deliver
this Agreement and to perform its obligations hereunder. This Agreement has
been duly executed and delivered by the  Purchaser,  and assuming  execution and
delivery by the Company,  constitutes a valid and legally binding  obligation of
the Purchaser enforceable in accordance with its terms, except as limited by (i)
applicable bankruptcy, insolvency, reorganization, moratorium, and other laws of
general  application  affecting  enforcement of creditors'  rights generally and
(ii) equitable principles relating to the availability of specific  performance,
injunctive relief and other equitable remedies.

                  3.3      ACCREDITED OR SOPHISTICATED PURCHASER

      The Purchaser is an investor in securities of companies in the development
stage and is able to fend for herself, can bear the economic risk of her
investment and has such

                                                                        
                                      - 5 -

<PAGE>



knowledge and experience in financial or business matters that she is capable of
evaluating the merits and risks of the investment in the Units.

                  3.4      ECONOMIC RISK

      The Purchaser has carefully reviewed and understands the risks of, and
other considerations relating to, a purchase of the Units and an investment
in the Company.  The  Purchaser  has such  experience  in business and financial
matters  that she is  capable  of  evaluating  the risks of her  investment  and
determining the  suitability of her  investment.  The Purchaser has received and
has carefully read this  Agreement.  The Purchaser has consulted the Purchaser's
own  financial,  legal and tax advisors with respect to the economic,  legal and
tax  consequences  of an  investment  in the  Units  and has not  relied  on the
Company, its officers, directors, affiliates or professional advisors for advice
as to such consequences.

                  3.5      INDEPENDENT INVESTIGATION; ADVERTISEMENTS

      The Purchaser, in offering to purchase the Units hereunder, has relied
solely upon an  independent  investigation  made by the  Purchaser  and her
representatives, if any, and has, prior to the date hereof, been given access to
and the  opportunity  to examine all books and records of the  Company,  and all
material  contracts  and  documents  of the  Company.  In making her  investment
decision  to purchase  the Units,  the  Purchaser  is not relying on any oral or
written  representations  or assurances  from the Company or any other person or
any representation of the Company or any other person other than as set forth in
this  Agreement,  or on any  information  other than  contained in the Company's
public filings required under the Act and the Exchange Act. The Purchaser is not
subscribing  for the Units as a result of or  subsequent  to any  advertisement,
article, notice or other communication  published in any newspaper,  magazine or
similar  media,  or  broadcast  over  television  or radio,  or presented at any
seminar.
                  3.6      INVESTMENT FOR OWN ACCOUNT

      Except as otherwise indicated herein, the Purchaser is the sole party in
interest as to his investment in the Company, and he is acquiring the Units
(including,  without limitation,  the Series D Preferred Stock, the Common Stock
issued upon  conversion  of the Series D Preferred or the exercise of a Warrant)
for the Purchaser's own account and has no present  agreement,  understanding or
arrangement to subdivide,  sell, assign, transfer or otherwise dispose of all or
any part of the Units  (including,  without  limitation,  the Series D Preferred
Stock,  the Common  Stock issued upon the  conversion  of the Series D Preferred
Stock or the  exercise of a Warrant)  subscribed  for to any other  person.  The
Purchaser  represents  and  warrants  that he is  purchasing  the  Units for his
Registered Retirement Savings Plan, account number 550 98866 19.

                  


                                      - 6 -

<PAGE>

                  3.7      NO GOVERNMENT RECOMMENDATION OR APPROVAL

      The Purchaser understands that no United States federal or state agency,
or similar agency of any other country, has reviewed, approved, passed upon
or made any  recommendation  or endorsement of the Company,  this transaction or
the purchase of the Units.


                  3.8      NO REGISTRATION

      The Purchaser understands that the Units, the Common Stock and the
Common Stock issued upon exercise of the Warrants have not been registered under
the Act and are being  offered and sold  pursuant to  Regulation D based in part
upon the representations of the Purchaser contained herein.

                  3.9      NO SALE IN VIOLATION OF THE SECURITIES LAWS

      The Purchaser covenants that she will not knowingly make any sale,
transfer or other  disposition  of the Units in  violation  of the Act, the
Exchange  Act,  or the rules and  regulations  of the  Securities  and  Exchange
Commission promulgated under any of the foregoing.

                  3.10     NO LEGAL ADVICE FROM COMPANY

      The Purchaser acknowledges that she has had the opportunity to review this
Agreement and the transactions contemplated by this Agreement with her own legal
counsel.  The  Purchaser  is  relying  solely  on  such  counsel  and not on any
statements  or  representations  of the  Company  or any of its agents for legal
advice with respect to the investment or the  transactions  contemplated by this
Agreement.


         4.       COMPLIANCE WITH SECURITIES LAWS; COVENANTS

                  4.1      RESALES SUBJECT TO U.S. SECURITIES LAWS

      The Purchaser acknowledges that the Units have not been registered under
the Act,  and agrees to resell the Units,  the Series D Preferred  Stock and the
Warrants  included  therein and any Common Stock issued upon  conversion  of the
Series D Preferred  Stock or the exercise of the  Warrants,  only in  accordance
with the  provisions  of  Regulation D under the Act,  pursuant to  registration
under the Act, or pursuant to an available exemption from such registration.

                  4.2      LEGENDS

      Except as set forth in Section 4.5, the Certificates, the Warrants and any
certificate  representing  shares of Common Stock issued upon  conversion of the
Series D Preferred Stock or the exercise of the Warrants before the Registration
Effective Date shall bear in substance


                                      - 7 -

<PAGE>



the following legend, as determined by the Company's counsel, which legend shall
be removed following the Registration Effective Date:

                  "THESE  SECURITIES HAVE NOT BEEN  REGISTERED  UNDER THE UNITED
                  STATES  SECURITIES  ACT OF 1933, AS AMENDED (THE "ACT").  THEY
                  MAY NOT BE SOLD,  OFFERED FOR SALE, PLEDGED OR HYPOTHECATED IN
                  THE ABSENCE OF A REGISTRATION STATEMENT IN EFFECT WITH RESPECT
                  TO THE  SECURITIES  UNDER  SUCH ACT OR AN  OPINION  OF COUNSEL
                  SATISFACTORY  TO THE  COMPANY  THAT SUCH  REGISTRATION  IS NOT
                  REQUIRED."

                  4.3      FURTHER RESTRICTIONS ON TRANSFER

     The Company shall not register any transfer of the Series D Preferred Stock
or any Common Stock issued upon  conversion  of the Series D Preferred  Stock or
the  exercise  of a  Warrant,  not made in  accordance  with the  provisions  of
Regulation D or other  applicable  registration  or exemption under the Act, and
shall not treat as the owner of such  securities,  or otherwise accord voting or
dividend rights to, any transferee to whom such securities have been transferred
in  contravention  of this  Agreement;  PROVIDED,  HOWEVER,  that the  foregoing
provision  shall not apply to the  transfer of any Series D  Preferred  Stock or
Common Stock if the certificates  evidencing such securities bear no restrictive
legend.

                  4.4      STOP TRANSFER INSTRUCTIONS

     Subject to Section 4.5,  stop  transfer  instructions  have been or will be
provided to the Company's  transfer agent to be placed on such transfer  agent's
books,  records or other  documents  evidencing  the Units so as to restrict the
resale,  pledge,  hypothecation or other transfer thereof in accordance with the
provisions hereof and the provisions of Regulation D promulgated under the Act.

                  4.5      TRANSFERABILITY OF COMMON STOCK

     At any  time  after  the  Registration  Effective  Date,  if the  Purchaser
delivers a Notice of Conversion  (substantially in the form of Exhibit C hereto)
to the  Company,  the  Company  will  issue or cause  to be  issued  one or more
certificates  representing  the  shares of Common  Stock  without a  restrictive
legend upon  conversion  of the Series D  Preferred  Stock into shares of Common
Stock in accordance with Section 6 of the Certificate of Designation authorizing
the Series D Preferred Stock.  The Company warrants that no instructions,  other
than those  instructions  for a stop transfer until the  Registration  Effective
Date,  have been or will be given to the  transfer  agent.  The Company  further
warrants that the shares of Common Stock shall be otherwise freely  transferable
by the  Purchaser  to or for the  account or  benefit  of a U.S.  Person if such
shares  are  registered  under  the Act or an  exemption  from the  registration
requirements of the Act is available.
 
                                      - 8 -

<PAGE>



                  4.6      DELIVERY OF STOCK CERTIFICATES UPON CONVERSION

     As promptly as  practicable  on or after  receipt of a Notice of Conversion
and in any event within two (2)  business  days  thereafter,  the Company at its
expense  shall  issue  to  the  Purchaser  or  its  nominee  a  certificate   or
certificates  for the  number  of  shares of  Common  Stock  issuable  upon such
conversion  and  deliver  such  certificates   forthwith   thereafter.   If  the
certificates  are not delivered to the Purchaser or its nominee  within five (5)
business days of receipt of the Notice of  Conversion,  the Company will pay the
Purchaser  an amount  equal to $500 per day for each delay above the initial two
(2) business days.

                  4.7      OTHER OFFERS OF CONVERTIBLE SECURITIES

     The  Company  shall be  permitted  to  issue  and  sell  other  convertible
securities convertible into Common Stock;  PROVIDED,  that the purchaser of such
convertible  securities  shall not be  permitted  to  convert  such  convertible
securities  within the earlier of 120 days of the Closing  Date or 30 days after
the Additional Closing Date.

         5.       CONDITIONS OF PURCHASER'S OBLIGATIONS AT CLOSING AND
ADDITIONAL CLOSING.

                  The  obligations  of the  Purchaser  under  Section  1 of this
Agreement are subject to the  fulfillment  on or before the Closing Date and the
Additional Closing Date of each of the following conditions:

                  5.1      REPRESENTATIONS AND WARRANTIES

     The  representations  and warranties of the Company  contained in Section 2
shall be true in all  material  respects on and as of the  Closing  Date and the
Additional Closing Date with the same effect as though such  representations and
warranties  had  been  made on and as of the  Closing  Date  and the  Additional
Closing Date.

                  5.2      PERFORMANCE

     The Company  shall have, in all material  respects,  performed and complied
with all agreements, obligations and conditions contained in this Agreement that
are  required to be  performed  or complied  with by it on or before the Closing
Date and the Additional Closing Date.

                  5.3      QUALIFICATIONS

     All  authorizations,  approvals  or permits,  if any,  of any  governmental
authority  or  regulatory  body of the  United  States or of any state  that are
required in connection with the lawful

                                      - 9 -

<PAGE>



issuance and sale of the Units pursuant to this Agreement shall be duly obtained
and effective as of the Closing Date and the Additional Closing Date.

                  5.4      OPINION OF COUNSEL

     The  Company  shall  deliver  to the  Purchaser  at the time of  Closing an
opinion  letter from counsel to the Company,  to the effect that (i) the Company
is  incorporated  and validly  existing under the laws of the State of Delaware;
(ii) the issuance of the Series D Preferred Stock and the issuance of the Common
Stock  upon  conversion  of the  Series D  Preferred  Stock or  exercise  of the
Warrants have been duly  approved by all required  corporate  action;  (iii) the
Series D Preferred  Stock,  upon payment  therefor by Purchaser  and delivery in
accordance  with the terms  hereof,  shall be  validly  issued,  fully  paid and
nonassessable;  (iv) the Common Stock,  upon issuance thereof upon conversion of
the Series D Preferred  Stock or exercise of the Warrant in accordance  with the
terms  thereof,  shall  be  validly  issued  and  outstanding,  fully  paid  and
nonassessable;  (v) the Common Stock  issuable  upon  conversion of the Series D
Preferred Stock or exercise of the Warrant has been reserved for issuance;  (vi)
each of the Agreement,  the Registration Rights Agreement and the Warrant is the
legal, valid, and legally binding obligation of the Company, enforceable against
the Company in accordance with their  respective  terms; and (vii) based in part
upon the representations and warranties of the Company and the Purchaser herein,
the offer and sale of the Series D Preferred  Stock and Common Stock  underlying
the Series D Preferred Stock and the Warrant to the Purchaser is exempt from the
registration  requirements  of the Securities Act. With respect to the foregoing
opinions  concerning  enforcement,  counsel may add such  qualifications  as are
consistent with general practice such as those relating to equitable remedies or
bankruptcy.

                  5.5      AGREEMENTS

     The Company shall deliver to the Purchaser at the time of the closing (a) a
Registration  Rights  Agreement  in the form of the attached  hereto  Exhibit D,
executed by the Company,  (b) an Irrevocable  Instructions to Transfer Agent, in
the form  attached  hereto  as  Exhibit  E,  executed  by the  Company,  (c) the
Certificate of Designation certified by the Secretary of State of Delaware,  and
(d) an officer's  certificate  respecting  the matters set forth in Sections 5.1
and 5.2.

         6.       CONDITIONS OF THE COMPANY'S OBLIGATIONS AT CLOSING AND
ADDITIONAL CLOSING

     The  obligations  of the Company to the Purchaser  under this Agreement are
subject to the  fulfillment on or before the Closing and  Additional  Closing of
each of the following conditions:
                  


                                     - 10 -

<PAGE>

                  6.1      REPRESENTATIONS AND WARRANTIES

     The  representations and warranties of the Purchaser contained in Section 3
shall be true in all  material  respects on and as of the Closing  with the same
effect as though such  representations and warranties had been made on and as of
the Closing Date.

                  6.2      PAYMENT OF PURCHASE PRICE

     The  Purchaser  shall  have  delivered  the  Purchase  Price and  documents
specified in Section 1 to the Closing Agent.

                  6.3      QUALIFICATIONS

     All  authorizations,  approvals  or permits,  if any,  of any  governmental
authority  or  regulatory  body of the  United  States or of any state  that are
required in connection  with the lawful  issuance and sale of the Units pursuant
to this Agreement shall be duly obtained and effective as of the Closing.

                  6.4      AGREEMENTS

     The Purchaser  shall deliver to the Company a  certificate  respecting  the
matters set forth in Section 6.1.

         7.       INDEMNIFICATIONS

                  7.1      INDEMNIFICATION OF THE COMPANY

     The Purchaser  hereby  agrees to indemnify  the Company and its  directors,
officers, employees, agents, representatives and controlling persons (within the
meaning  of that term in  Section  15 of the Act) for,  and to hold each of them
harmless  against,  all  claims,   liabilities,   damages,   costs  or  expenses
(including, without limitation, reasonable attorney's fees and expenses) arising
out  of or in  connection  with  any  breach,  or  any  alleged  breach,  of any
representation or warranty of the Purchaser, or any covenant or agreement of the
Purchaser set forth herein;  PROVIDED,  HOWEVER,  that the Purchaser will not be
liable in any such case for claims, liabilities, damages, costs or expenses that
a court of competent  jurisdiction  shall have found in a final judgment to have
arisen primarily from the gross negligence or willful misconduct of the Company.

     The Company  hereby agrees to indemnify the Purchaser  for, and to hold the
Purchaser harmless against, all claims, liabilities,  damages, costs or expenses
(including, without limitation, reasonable attorney's fees and expenses) arising
out  of or in  connection  with  any  breach,  or  any  alleged  breach,  of any
representation  or warranty of the Company or any  covenant or  agreement of the
Company set forth herein; PROVIDED, HOWEVER, that the Company will not be liable
in any such case for claims,  liabilities,  damages,  costs or  expenses  that a
court of  competent  jurisdiction  shall have found in a final  judgment to have
arisen  primarily  from  the  gross  negligence  or  willful  misconduct  of the
Purchaser.


                                     - 11 -

<PAGE>



                  7.2      INDEMNIFICATION OF THE CLOSING AGENT

     The Company agrees to indemnify the Closing Agent, its partners, employees,
agents and representatives  for, and to hold each of them harmless against,  all
claims, liabilities,  damages, costs or expenses (including, without limitation,
reasonable  attorney's  fees and expenses)  arising out of or in connection with
the performance of its obligations pursuant to Section 1.3 hereof.


         8.       MISCELLANEOUS

                  8.1      SURVIVAL OF REPRESENTATIONS AND WARRANTIES

     The  representations  and warranties of each party herein shall survive the
Closing, notwithstanding any investigation or inquiry made by the other party.
                  8.2      NOTICES

     Any notice hereunder to or upon either party hereto shall be deemed to have
been duly given for all purposes if (a) in writing and sent by (i)  messenger or
an overnight  courier service against  receipt,  or (ii) certified or registered
mail,  postage  paid,  return  receipt  requested,  or  (b)  sent  by  telegram,
facsimile,  telex or similar  electronic  means,  provided  that a written  copy
thereof is sent on the same day by postage paid first-class  mail, to such party
at the following address:

 To Purchaser:     at its address set forth on the signature page hereof

 With a copy to:   [Insert]

 To the Company at:    18872 MacArthur Boulevard, Suite 300
                       Irvine, California 92612 U.S.A.
                       Attn:    President
                       Fax:     (714) 442-4404

 With a copy to:       Parker Chapin Flattau & Klimpl, LLP
                       1211 Avenue of the Americas
                       New York, NY 10036-8735 U.S.A.
                       Attn:    Martin Eric Weisberg, Esq.
                       Fax:     (212) 704-6288

or such other  address as either party  hereto may at any time,  or from time to
time, direct by notice given to the other party in accordance with this Section.
The date of giving of any such notice shall be, in the case of clause (a)(i) and
the Notice of Conversion, the date of the receipt; in the case of

                        
                                     - 12 -

<PAGE>



clause (a)(ii),  five business days after such notice or demand is sent; and, in
the case of clause (b), the business day next  following the date such notice is
sent.

                  8.3      AMENDMENT

     Except as otherwise  provided herein,  no amendment of this Agreement shall
be valid or  effective,  unless in  writing  and  signing by or on behalf of the
parties hereto.

                  8.4      WAIVER

     No course  of  dealing  or  omission  or delay on the part of either  party
hereto in  asserting or  exercising  any right  hereunder  shall  constitute  or
operate as a waiver of any such right.  No waiver of any provision  hereof shall
be  effective,  unless in writing  and signed by or on behalf of the party to be
charged  therewith.  No waiver shall be deemed a continuing  waiver or waiver in
respect of any other or subsequent breach or default, unless expressly so stated
in writing.
                  8.5      GOVERNING LAW

     This  Agreement  shall be  governed  by, and  interpreted  and  enforced in
accordance with, the laws of the State of New York without regard to principles
of choice or conflict of laws.

                  8.6      JURISDICTION

     Each of the parties hereto hereby  irrevocably  consents and submits to the
jurisdiction of the Supreme Court of the State of New York and the United States
District  Court for the  Southern  District of New York in  connection  with any
suit, action or other proceeding arising out of or relating to this Agreement or
the  transactions  contemplated  hereby,  waives any  objection  to venue in the
County of New York,  State of New York, or such District and agrees that service
of any summons, complaint, notice or other process relating to such suit, action
or other  proceeding may be effected in the manner provided by clause (a)(ii) of
Section 8.2.

                  8.7      REMEDIES

     In the event of any actual or prospective breach or default by either party
hereto,  the other  party  shall be  entitled  to  equitable  relief,  including
remedies in the nature of rescission,  injunction and specific performance.  All
remedies hereunder are cumulative and not exclusive, and nothing herein shall be
deemed to prohibit  or limit  either  party from  pursuing  any other  remedy or
relief  available at law or in equity for such actual or  prospective  breach or
default, including the recovery of damages.

                  


                                                                 
                                     - 13 -

<PAGE>

                  8.8      SEVERABILITY

     The provisions hereof are severable, and in the event that any provision of
this Agreement shall be determined to be invalid or unenforceable in any respect
by a court of competent jurisdiction,  the remaining provisions hereof shall not
be affected,  but shall, subject to the discretion of such court, remain in full
force and effect,  and any invalid or  unenforceable  provision shall be deemed,
without further action on the part of the parties hereto, amended and limited to
the extent necessary to render the same valid and enforceable.

                  8.9      COUNTERPARTS

     This  Agreement  may be  executed in  counterparts,  each of which shall be
deemed  an  original  and  which  together  shall  constitute  one and the  same
agreement.
                  8.10     FURTHER ASSURANCES

     Each party hereto covenants and agrees promptly to execute,  deliver,  file
or record such agreements, instruments,  certificates and other documents and to
perform  such other and further  acts as the other party  hereto may  reasonably
request or as may otherwise be necessary or proper to consummate and perfect the
transactions contemplated hereby.

                  8.11     ASSIGNMENT

     This Agreement,  and each right, interest and obligation hereunder, may not
be assigned by either  party  hereto  without the prior  written  consent of the
other party hereto,  and any purported  assignment without such consent shall be
void and without effect.

                  8.12     BINDING EFFECT

     This  Agreement  shall be  binding  upon and  inure to the  benefit  of the
parties  hereto and their  respective  successors  and permitted  assigns.  This
Agreement  is not  intended,  and shall not be  deemed,  to create or confer any
right or interest for the benefit of any person not a party hereto.

                  8.13     TITLES AND CAPTIONS

     The titles and captions of the Articles and Sections of this  Agreement are
for convenience of reference only, and do not in any way define or interpret the
intent of the  parties  or  modify or  otherwise  affect  any of the  provisions
hereof.


                             
                                     - 14 -

<PAGE>



                  8.14     GRAMMATICAL CONVENTIONS

     Whenever the context so requires, each pronoun or verb used herein shall be
construed in the singular or the plural sense, and each capitalized term defined
herein  and each  pronoun  used  herein  shall be  construed  in the  masculine,
feminine or neuter sense.

                  8.15     NO PRESUMPTIONS

     Each party hereto acknowledges that it has participated, with the advice of
counsel,  in the preparation of this  Agreement.  No party hereto is entitled to
any presumption  with respect to the  interpretation  of any provision hereof or
the resolution of any alleged ambiguity herein based on any claim that the other
party hereto drafted or controlled the drafting of this Agreement.

                  8.16     INCORPORATION BY REFERENCE

     The  Exhibits  hereto  are an  integral  part  of  this  Agreement  and are
incorporated in their entirety herein by this reference.


                  IN WITNESS  WHEREOF,  the Company and the Purchaser,  by their
respective  duly authorized  officers,  have duly executed this Agreement on the
date set forth in the Preamble hereto.

                                          STARBASE CORPORATION

                                       By:_________________________________
                                          Name:
                                          Title:

Number of Units Purchased: ________           PURCHASER:

Purchase Price:  $_____________           _____________________________________
                                          [Name]

                                          Address of Purchaser:


Name and address of Nominee (if any):

                                         Address for Notices (if different):





                                                  
                                     - 15 -

<PAGE>



                                    EXHIBIT A

                           CERTIFICATE OF DESIGNATION




                                     - 16 -

<PAGE>



                                    EXHIBIT B

                                 FORM OF WARRANT



                                     - 17 -

<PAGE>



                                    EXHIBIT C

                              NOTICE OF CONVERSION


                                                      _______________ ___, 19__



StarBase Corporation                     American Stock Transfer & Trust Company
18872 MacArthur Boulevard, Suite 300     40 Wall Street
Irvine, California 92612                 New York, New York 10005
Attn.: Finance Department                Attn.: Herbert Lemmer

Parker Chapin Flattau & Klimpl, LLP
1211 Avenue of the Americas
New York, New York 10036
Attn.: Martin Eric Weisberg, Esq.


         The  undersigned,  ________________  (the "HOLDER") hereby gives notice
that it wishes to convert  _____________ shares of Series D Preferred Stock (the
"SHARES") of StarBase  Corporation  (the "ISSUER") held by it into the number of
shares of Common Stock of the Issuer stated below,  which have been reserved for
issuance upon such conversion.

         Number of shares of Common Stock to be issued: ________________

         In accordance with the Irrevocable Instructions to Transfer Agent dated
January  __,  1998,  please  issue the Shares  within two (2)  business  days of
receipt of this Notice of Conversion as follows:

                           Name:            ___________________
                           Address:         ___________________
                                            

                           Deliver to:      ___________________
                                            
                                            

                                                           [Holder]



                                        By: _____________________________
                                             Name:
                                             Title:
                                                   
                                     - 18 -

<PAGE>


                                                          



                                    EXHIBIT D

                          REGISTRATION RIGHTS AGREEMENT



                                                                        
                                     - 19 -

<PAGE>


                                    EXHIBIT E

               FORM OF IRREVOCABLE INSTRUCTIONS TO TRANSFER AGENT


                                                          
                                     - 20 -

<PAGE>
               
                     ---------------------------------------

                           CERTIFICATE OF DESIGNATION
                                       OF
                              STARBASE CORPORATION

                     Pursuant to Section 151 of the General
                    Corporation Law of the State of Delaware

                     ---------------------------------------

                            SERIES D PREFERRED STOCK


         StarBase  Corporation,  a  Delaware  corporation  (the  "Corporation"),
hereby  certifies  that the  following  resolution  has been duly adopted by the
Board of Directors of the Corporation:

         RESOLVED,  that  pursuant  to the  authority  expressly  granted to and
vested  in the  Board of  Directors  of the  Corporation  (the  "Board")  by the
provisions of the Restated  Certificate of Incorporation of the Corporation (the
"Certificate of Incorporation"),  there hereby is created, out of the 10,000,000
shares of  Preferred  Stock,  par  value  $0.01 per  share,  of the  Corporation
authorized in Article 4 of the  Certificate  of  Incorporation  (the  "Preferred
Stock"),  a series  of the  Preferred  Stock of the  Corporation  consisting  of
1,200,000 shares,  which series shall have the following  powers,  designations,
preferences  and relative,  participating,  optional and other  rights,  and the
following qualifications, limitations and restrictions:

         1.  DESIGNATION  AND AMOUNT.  This series of  Preferred  Stock shall be
designated  "Series  D  Preferred  Stock"  and the  authorized  number of shares
constituting  such  series  shall be  1,200,000.  The par value of the  Series D
Preferred Stock shall be $0.01 per share.

         2. NO DIVIDEND  RIGHTS.  The  holders of the Series D  Preferred  Stock
shall not be entitled to receive any dividends.

         3. RANKING.  The Series D Preferred Stock shall, with respect to rights
on liquidation, winding up and dissolution, (i) rank senior to any of the Common
Stock and any other  class or  series of stock of the  Corporation  which by its
terms  shall rank  junior to the Series D  Preferred  Stock,  and (ii) rank on a
parity with any other class or series of stock of the  Corporation  which by its
terms shall rank on a parity with the Series D Preferred  Stock.  No approval of
the holders of Series D Preferred Stock shall be required for the  authorization
or  issuance  of any shares of any class or series of stock of the  Corporation,
whether ranking junior to or on a parity with the Series D Preferred Stock.


260790-3
                                      - 1 -

<PAGE>



         4.       PREFERENCE ON LIQUIDATION.

                  (a) In the event of any liquidation,  dissolution,  or winding
up of the  Corporation,  either  voluntary or involuntary,  distributions to the
stockholders of the Corporation shall be made in the following manner:

                         (i) The holders of Series D  Preferred  Stock shall be
entitled to  receive,prior  and in preference to any distribution of any of
the  assets or surplus  funds of the  Corporation  to the  holders of the Common
Stock or any  other  class or series  of stock of the  Corporation  by reason of
their  ownership of the Common Stock or any stock ranking junior to the Series D
Preferred  Stock in respect of liquidation  rights,  an amount for each share of
Series D  Preferred  Stock  then  held by them,  equal to  $1.25,  appropriately
adjusted  for any  combinations,  consolidations  or  stock  distributions  with
respect to such  shares  (hereinafter  such  amount  shall be referred to as the
"Series D Preference Amount").  If upon occurrence of such event of liquidation,
dissolution  or winding  up, the assets and  property  legally  available  to be
distributed  among the holders of the Series D Preferred Stock and to holders of
any stock  ranking as to  liquidation  on a parity  with the Series D  Preferred
Stock shall be  insufficient to permit the payment to such holders of the Series
D Preference  Amount,  then the entire  assets and  property of the  Corporation
legally  available  for  distribution  shall be  distributed  ratably  among the
holders of the Series D Preferred Stock and such parity stock.

                         (ii) After payment has been made to the holders of the
 Series D  Preferred  Stock  of the full  amounts  to  which  they  shall be
entitled  pursuant to Section 4(a)(i) above,  all remaining assets available for
distribution,  if any,  shall be  distributed,  ratably among the holders of the
Preferred  Stock ranking  junior to the Series D Preferred  Stock and the Common
Stock based upon the number of outstanding shares of Common Stock then held.

                  (b)  For   purposes   of  this   paragraph   4,  a  merger  or
consolidation  of  the  Corporation  with  or  into  any  other  corporation  or
corporations,  or the merger of any other  corporation or corporations  into the
Corporation,   in  which   consolidation  or  merger  the  shareholders  of  the
Corporation  receive  distributions in cash or securities of another corporation
or corporations as a result of such consolidation or merger, or a sale of all or
substantially  all of the  assets  of the  Corporation,  shall be  treated  as a
liquidation,  dissolution or winding up of the Corporation. The valuation of any
securities or other property other than cash received by the  Corporation in any
transaction  covered by this  subparagraph  4(b) shall be  computed  at the fair
value thereof at the time of receipt as determined in good faith by the Board of
Directors.

                  (c) The  holders  of Series D  Preferred  Stock  shall have no
priority or preference with respect to distributions  made by the Corporation in
connection  with the  repurchase  of shares of Common Stock issued to or held by
employees,  directors or consultants  upon  termination  of their  employment or
services  pursuant  to  agreements  providing  for the right of said  repurchase
between the Corporation and such persons.



                                      - 2 -

<PAGE>



         5. VOTING RIGHTS.  Except as otherwise  provided by law, the holders of
the  Series D  Preferred  Stock  shall not be  entitled  to vote upon any matter
relating to the business or affairs of the Corporation or for any other purpose.

         6.       CONVERSION RIGHTS.

                  (a)  Each  share  of  Series  D   Preferred   Stock  shall  be
convertible,  at the option of the holder thereof, at any time after the date of
issuance of such share,  at the office of the  Corporation or any transfer agent
for the Series D Preferred  Stock or Common  Stock,  into  Common  Stock as more
fully  described  below.  The number of shares of fully  paid and  nonassessable
Common Stock into which each share of Series D Preferred  Stock may be converted
shall be determined by dividing the Series D Preference Amount by the Conversion
Price (as hereinafter  defined) in effect on the Conversion Date (as hereinafter
defined).  No shares of Series D Preferred  Stock may be converted  prior to the
sixtieth  (60th)  day after  the date of first  issuance  of Series D  Preferred
Stock.  At any time after the sixtieth  (60th) day after the first issuance date
of Series D Preferred  Stock  through the  ninetieth  (90th) day after the first
issuance date of Series D Preferred Stock, the holder may convert, at its option
and on a cumulative basis, one-third (1/3) of the outstanding shares of Series D
Preferred  Stock,  from the  ninety-first  (91st) day  through  the one  hundred
twentieth  (120th) day after the first issuance date of Series D Preferred Stock
an additional  one-third (1/3) of the  outstanding  shares of Series D Preferred
Stock,  and  thereafter  the  balance  of the  outstanding  shares  of  Series D
Preferred Stock.  Notwithstanding  the foregoing to the contrary,  the Purchaser
may convert shares of Series D Preferred  Stock prior to the dates and in excess
of the amounts set forth in this Section 6(a) with the prior written  consent of
the Company.

                  (b) For purposes of this paragraph 6, (i)  "Conversion  Price"
means the lesser of (A) a price equal to 90% of the  average  closing bid prices
of the Common Stock as quoted on Nasdaq SmallCap Market for the five-day trading
period  ending on the day before  the  Conversion  Date or (B)  $1.25;  and (ii)
"Conversion  Date" means the date upon which the holder  delivers  the notice of
conversion to the Corporation or any transfer agent for Series D Preferred Stock
or Common Stock or the second  anniversary  of the  issuance of the  outstanding
Series D Preferred Stock,  whichever is earlier.  In the event there is a period
in which the Series D Preferred  Stock is not  convertible  into Common Stock (a
"Blackout  Period"),  at the time conversion is  permissible,  clause (A) of the
Conversion  Price  shall be based on the five  (5)  lowest  closing  bid  prices
reported during such Blackout Period, if the holder elects to convert on the day
after the Blackout Period.

                  (c) Each share of Series D Preferred Stock shall automatically
be converted into shares of Common Stock utilizing the then effective Conversion
Price for each such share upon the second  anniversary  of the issuance  date of
the outstanding Series D Preferred Stock.

                  (d) No fractional  shares of Common Stock shall be issued upon
conversion of the Series D Preferred Stock. In lieu of any fractional  shares to
which the holder would  otherwise be entitled,  the  Corporation  shall pay cash
equal to such  fraction  multiplied by the fair market value of the Common Stock
on the Conversion Date, as determined by the Corporation's Board


                                      - 3 -

<PAGE>



of Directors. Before any holder of Series D Preferred Stock shall be entitled to
convert the same into full shares of Common  Stock,  the holder shall  surrender
the certificate or certificates  therefor,  duly endorsed,  at the office of any
transfer agent for the Series D Preferred Stock or Common Stock,  and shall give
written notice,  by facsimile or delivery to the Corporation at such office that
the holder  elects to convert the same,  with a copy by facsimile or delivery to
the transfer agent c/o American Stock Transfer & Trust Company,  40 Wall Street,
New York, New York 10005,  Attn.:  Herbert Lemmer and the Corporation's  counsel
c/o Parker Chapin Flattau & Klimpl, LLP, 1211 Avenue of the Americas,  New York,
NY 10036, Attn: Martin Eric Weisberg, Esq.; PROVIDED, HOWEVER, that in the event
of an automatic  conversion pursuant to subparagraph 6(c) the outstanding shares
of all Series D Preferred Stock,  shall be converted  automatically  without any
further action by the holders of such shares and whether or not the certificates
representing  such shares are  surrendered  to the  Corporation  or its transfer
agent; provided further, however, that the Corporation shall not be obligated to
issue  certificates  evidencing  the shares of Common Stock  issuable  upon such
automatic  conversion  unless either the certificates  evidencing such shares of
Series D Preferred  Stock are delivered to the Corporation or its transfer agent
as provided  above, or the holder notifies the Corporation or its transfer agent
that such  certificates  have been lost,  stolen or  destroyed  and  executes an
agreement  satisfactory to the Corporation to indemnify the Corporation from any
loss incurred by it in connection with such certificates.

                  (e) The Corporation  shall,  within 2 business days after such
delivery,  or after such agreement and indemnification,  issue at such office to
such holder of Series D Preferred Stock (and deliver  forthwith  thereafter),  a
certificate or certificates for the number of shares of Common Stock to which it
shall be entitled as aforesaid and a check payable to the holder,  or order,  in
the  amount of any cash  amounts  payable  as the  result of a  conversion  into
fractional  shares of Common Stock, and a certificate for any shares of Series D
Preferred Stock not so converted.  Such conversion  shall be deemed to have been
made immediately prior to the close of business on the date of such surrender of
the  shares  of  Series D  Preferred  Stock to be  converted,  or in the case of
automatic conversion on the date of the event causing such automatic conversion,
and the  person or  persons  entitled  to  receive  the  shares of Common  Stock
issuable  upon such  conversion  shall be treated for all purposes as the record
holder or holders of such shares of Common Stock on such date.

                  (f) In the event of any taking by this Corporation of a record
of the holders of any class of  securities  for the purpose of  determining  the
holders  thereof  who are  entitled to receive  any  distribution,  any right to
subscribe for, purchase or otherwise acquire any shares of stock of any class or
any  other  securities  or  property,  or  to  receive  any  other  right,  this
Corporation  shall mail to each holder of Series D Preferred  Stock, at least 10
days prior to the date specified  therein, a notice specifying the date on which
any such  record is to be taken for the purpose of such  distribution  or right,
and the amount and character of such distribution or right.

                  (g) Upon any  conversion of Series D Preferred  Stock pursuant
to this  Section 6, the shares of Series D Preferred  Stock which are  converted
shall not be reissued.  Upon conversion of all of the then outstanding  Series D
Preferred  Stock  pursuant  to this  Section 6 and upon the taking of any action
required by law, all matters set forth in this Certificate of


                                      - 4 -

<PAGE>



Designation shall be eliminated from the Certificate of Incorporation, shares of
Series D  Preferred  Stock  shall  not be  deemed  outstanding  for any  purpose
whatsoever  and all such shares  shall  revert to the status of  authorized  and
unissued shares of Preferred Stock.

                  (h) Any notices  required by the  provisions of this Section 6
to be given to the holders of shares of Series D Preferred Stock shall be deemed
given if deposited in the United States mail,  first class,  postage prepaid and
addressed to each holder of record at its address  appearing on the books of the
Corporation.

         7. ADJUSTMENTS TO CONVERSION  PRICE. The Conversion Price is subject to
adjustment from time to time as follows:

                  (a) If at any  time,  while any  shares of Series D  Preferred
Stock are  outstanding  and not converted,  there shall be (i) a  reorganization
(other than a  combination,  reclassification  exchange or subdivision of shares
otherwise  provided for in Section 7(b)),  (ii) a merger or consolidation of the
Corporation with or into another corporation in which the Corporation is not the
surviving person, or a reverse triangular merger in which the Corporation is the
surviving person but the shares of the  Corporation's  capital stock outstanding
immediately prior to the merger are converted by virtue of the merger into other
property,  whether in the form of cash, securities or otherwise, or (iii) a sale
or transfer of the Corporation's  properties and assets as, or substantially as,
an entirety to any other person, then, as a part of such reorganization, merger,
consolidation,  sale or  transfer,  lawful  provision  shall be made so that the
holder shall  thereafter be entitled to receive upon conversion of any shares of
Series D Preferred Stock,  during the period in accordance with this Certificate
of Designation, the number of shares of stock or other securities or property of
the  successor   corporation   resulting  from  such   reorganization,   merger,
consolidation,  sale or transfer which a holder of the shares  deliverable  upon
conversion of any shares of Series D Preferred  Stock,  would have been entitled
to receive in such  reorganization,  consolidation,  merger, sale or transfer if
the shares of Series D Preferred  Stock, had been converted  immediately  before
such reorganization,  merger,  consolidation,  sale or transfer,  all subject to
further  adjustment as provided in this Section 7. The  foregoing  provisions of
this  Section  7(a)  shall  similarly   apply  to  successive   reorganizations,
consolidations,  mergers,  sales and transfers and to the stock or securities of
any other  corporation  which are at the time  receivable upon the conversion of
any shares of Series D Preferred Stock. If the per share  consideration  payable
to the holder for shares in connection  with any such  transaction  is in a form
other than cash or marketable  securities,  then the value of such consideration
shall be determined in good faith by the Corporation's Board of Directors, whose
determination shall be final and binding. In all events,  appropriate adjustment
(as determined in good faith by the  Corporation's  Board of Directors) shall be
made in the  application of the provisions of the Series D Preferred  Stock with
respect to the rights and interests of the holder after the transaction,  to the
end that the rights of a holder of Series D Preferred  Stock shall be applicable
after that event,  as nearly as reasonably  may be, in relation to any shares or
other  property  deliverable  after that event upon  conversion of any shares of
Series D Preferred Stock.



                                      - 5 -

<PAGE>



         (b) If the  Corporation,  at any time  while  any  shares  of  Series D
Preferred Stock remain outstanding and not converted,  shall by reclassification
of securities or otherwise,  change any of the securities as to which conversion
rights  under the Series D  Preferred  Stock  exist into the same or a different
number of securities of any other class or classes, the Series D Preferred Stock
shall  thereafter  represent  the right to convert  into such number and kind of
securities as would have been issuable as the result of such change with respect
to the securities which were subject to the conversion rights under the Series D
Preferred Stock immediately prior to such  reclassification  or other change and
the Conversion  Price therefor shall be appropriately  adjusted,  all subject to
further adjustment as provided in this Section 7.

         (d) If  while  any  shares  of the  Series  D  Preferred  Stock  remain
outstanding  and  not  converted  the  holders  of the  securities  as to  which
conversion  rights  under the Series D  Preferred  Stock exist at the time shall
have received,  or, on or after the record date fixed for the  determination  of
eligible  stockholders,  shall have become entitled to receive,  without payment
therefor,  other or additional stock or other securities or property (other than
cash) of the Corporation by way of dividend, then and in each case, the Series D
Preferred Stock shall represent the right to acquire,  in addition to the number
of shares of the security  receivable  upon conversion of the Series D Preferred
Stock,  the  amount of such other or  additional  stock or other  securities  or
property  (other than cash) of the  Corporation  which such holder would hold on
the date of such  conversion  had it been the  holder of record of the  security
receivable  upon  conversion of the Series D Preferred  Stock on January 8, 1998
and had thereafter,  during the period from January 8, 1998 to and including the
date of such exercise,  retained such shares and/or all other  additional  stock
available  by  it  as  aforesaid  during  such  period,  giving  effect  to  all
adjustments called for during such period by the provisions of this Section 7.

         (d) Upon the occurrence of each adjustment or readjustment  pursuant to
this  Section 7, the  Corporation  at its expense  shall  promptly  compute such
adjustment or  readjustment  in accordance  with the terms hereof and furnish to
each  holder  of Series D  Preferred  Stock a  certificate  setting  forth  such
adjustment  or  readjustment  and  showing  in detail  the facts upon which such
adjustment or readjustment is based.  The  Corporation  shall,  upon the written
request,  at any time,  of any holder of Series D  Preferred  Stock,  furnish or
cause to be furnished to such holder a like certificate  setting forth: (i) such
adjustments and readjustments;  (ii) the Conversion Price at the time in effect;
and (iii) the number of shares and the amount,  if any, of other  property which
at the time would be  received  upon the  conversion  of the Series D  Preferred
Stock.

         (e) The Corporation will not, by any voluntary action, avoid or seek to
avoid  the  observance  or  performance  of any of the terms to be  observed  or
performed  hereunder  by the  Corporation,  but will at all times in good  faith
assist in the  carrying out of all the  provisions  of this Section 7 and in the
taking of all such action as may be necessary or appropriate in order to protect
the rights of the holders against impairment.

                  (f) The  Corporation  shall  at all  times  reserve  and  keep
available  out of its  authorized  but  unissued  Common  Stock,  solely for the
purpose of effecting the conversion of Series D Preferred Stock, the full number
of shares of Common Stock deliverable upon the


                                      - 6 -

<PAGE>


conversion of all Series D Preferred  Stock from time to time  outstanding.  The
Corporation shall from time to time (subject to obtaining necessary director and
stockholder  authorizations),  in  accordance  with  the  laws of the  State  of
Delaware,  increase the authorized amount of its Common Stock if at any time the
authorized  number of shares of Common  Stock  remaining  unissued  shall not be
sufficient  to permit the  conversion of all of the shares of Series D Preferred
Stock at the time outstanding.

         8.       CALL AND REDEMPTION

                  (a) In lieu of converting  into Common Stock,  the Corporation
will have the option of  partially or fully paying cash to the holders of Series
D Preferred  Stock so that the holders  will realize the "full  economic  value"
being the cash  amount the holder  would  derive  from  converting  the Series D
Preferred  Stock and  selling  the Common  Stock at the closing ask price on the
conversion  date (or in the case of (b)  below,  the  redemption  date)  with no
transaction fees. The Corporation agrees to notify the purchaser, in writing, at
least ten  trading  days in  advance  of any time  period in which it intends to
exercise this option.

                  (b) The  Corporation  may redeem the Series D Preferred  Stock
upon 10 days prior written notice at a 10% premium above the full economic value
at the time of notice;  PROVIDED,  that if the holder has  delivered a Notice of
Conversion to the Corporation, the shares of Series D Preferred Stock designated
to be converted may not be redeemed by the Corporation.

         IN WITNESS  WHEREOF,  the  Corporation  has caused this  Certificate of
Designation  to be  signed  by its  Chairman,  and  attested  by  its  Assistant
Secretary, this 8th day of January 1998.

                                              StarBase Corporation


                                              By: /S/ WILLIAM R. STOW, III
                                                  -------------------------- 
                                                  William R. Stow, III
                                                  Chairman
Attest:

By:   /S/ DOUGLAS S. NORMAN
     -----------------------
      Douglas S. Norman
      Assistant Secretary


                                      - 7 -

<PAGE>

                          
                           REGISTRATION RIGHTS AGREEMENT



         THIS  REGISTRATION  RIGHTS  AGREEMENT  (the  "AGREEMENT")  dated  as of
January 8, 1998, by and among StarBase Corporation,  a Delaware corporation (the
"COMPANY"), and __________ (the "SUBSCRIBER").


                              W I T N E S S ET H:


         WHEREAS, pursuant to The Unit Subscription Agreement (the "SUBSCRIPTION
AGREEMENT"),  by and among the Company and Subscriber, the Company has agreed to
sell and the Subscriber  has agreed to purchase an aggregate of 1,200,000  units
(the  "UNITS") in two (2) tranches of 600,000 Units (each,  a  "TRANCHE"),  each
Unit  consisting of one share of the  Company's  Series D Preferred  Stock,  par
value $.01 per share (the  "SERIES D PREFERRED  STOCK"),  with each share of the
Company's  Series D Preferred  Stock  convertible  into shares of the  Company's
common  stock,  par value  $.01 per share  (the  "SHARES")  and one  warrant  to
purchase a 0.4166 share of Common Stock (each, a "WARRANT"); and

         WHEREAS,  pursuant to the terms of, and in partial  consideration  for,
the  Subscriber's  entering  into the  Subscription  Agreement,  the Company has
agreed to provide the Subscriber with certain  registration  rights with respect
to the Shares;

         NOW   THEREFORE,    in    consideration   of   the   mutual   promises,
representations,   warranties,   covenants  and  conditions  set  forth  in  the
Subscription  Agreement and this Registration Rights Agreement,  the Company and
the Subscriber agree as follows:

   1. CERTAIN  DEFINITIONS.  As used in this Agreement the following terms shall
have the following respective meanings:

      "COMMISSION" shall mean the Securities and Exchange Commission
or any other Federal agency at the time administering the Securities Act.

      "COMMON STOCK" shall mean the Company's Common Stock, par value $.01 per
                   ------------
share.
                
       "REGISTRABLE  SHARES"  shall  mean  for each  Tranche  (i) the
Shares,  (ii) any Common  Stock of the Company  issued or issuable in respect of
the Shares or upon any stock split, stock dividend,  recapitalization or similar
event, or (iii) any Common Stock issued upon exercise of the




260793-3
                                       1
<PAGE>



Warrants;  PROVIDED,  HOWEVER,  that shares of Common Stock or other  securities
shall no longer be treated as  Registrable  Shares if (a) they have been sold to
or  through  a broker or dealer or  underwriter  in a public  distribution  or a
public securities  transaction,  (b) they have been sold in a transaction exempt
from the registration and prospectus delivery requirements of the Securities Act
so that all transfer  restrictions and restrictive  legends with respect thereto
are removed upon  consummation of such sale, or (c) the Shares are available for
sale under the Securities Act (including  Rule 144) in the opinion of counsel to
the Company,  without  compliance with the registration and prospectus  delivery
requirements  of  the  Securities  Act  so  that  no  transfer  restrictions  or
restrictive  legends  will  appear  upon the Share  certificates  following  the
consummation of such sale.

                  The terms "register",  "registered" and  "registration"  shall
refer  to a  registration  effected  by  preparing  and  filing  a  registration
statement  in  compliance  with the  Securities  Act and  applicable  rules  and
regulations thereunder,  and the declaration or ordering of the effectiveness of
such registration statement.

                  "REGISTRATION EXPENSES" shall mean all expense incurred by the
Company in compliance with Section 2 hereof, including,  without limitation, all
registration  and filing fees,  printing  expenses,  fees and  disbursements  of
counsel  for the  Company,  blue  sky  fees and  expenses,  reasonable  fees and
disbursements of one counsel for Subscriber,  and the reasonable expenses of any
special audits incident to or required by any such  registration  (but excluding
the compensation of regular employees of the Company, which shall be paid in any
event by the Company).

                  "SECURITIES  ACT" shall mean the  Securities  Act of 1933,  as
amended,  or any similar Federal  Statute,  and the rules and regulations of the
Commission thereunder, all as the same shall be in effect at the time.

                  "SELLING  EXPENSES" shall mean all underwriting  discounts and
selling commissions applicable to the sale of Registrable Shares.

         2.  REGISTRATION.  The Common Stock  issuable  upon  conversion  of the
Series D  Preferred  Stock  issued in both  Tranches  and upon  exercise  of the
Warrants  issued in both Tranches will be registered for resale no later than 90
days from the issuance date of the Units pursuant to a registration statement on
Form  S-3.  The  registration  statement  is to be filed  within  30 days of the
issuance  date of the  Units  for  the  first  Tranche  and  shall  be in a form
reasonably satisfactory to the Subscriber.  If the registration statement is not
effective within 90 days of the issuance date for the first Tranche, the Company
will pay an amount equal to 2% of the purchase  price of the Units for the first
Tranche on the 91st day and at the end of each 30-day  period  thereafter  until
the registration statement has been declared effective.





260793-3
                                       2
<PAGE>



         3. EXPENSES OF  REGISTRATION.  The Company shall bear all  Registration
Expenses  incurred  in  connection  with  any  registration,   qualification  or
compliance of the Registrable  Shares  pursuant to this  Agreement.  All Selling
Expenses shall be born by the Subscriber.

         4. REGISTRATION PROCEDURES.  The Company shall advise the Subscriber of
the initiation of a  registration  under this Agreement and as to the completion
thereof. At its expense, the Company will:

                  (a) Use reasonable efforts to keep such registration effective
for a  period  of five (5)  years or until  the  Subscriber  has  completed  the
distribution described in the registration statement relating thereto, whichever
first occurs.

                  (b) Prepare and file with the Commission  such  amendments and
supplements to such registration statement and the prospectus used in connection
with  such  registration  statement  as may be  necessary  to  comply  with  the
provisions of the Securities  Act with respect to the  disposition of securities
covered by such registration statement; and

                  (c) Furnish such number of  prospectuses  and other  documents
incidental thereto,  including any amendment of or supplement to the prospectus,
as the Subscriber from time to time may reasonably request.

         5.       INDEMNIFICATION.

                  (a) The Company will indemnify the Subscriber  with respect to
which  registration  has been effected  pursuant to this  Agreement  against all
claims, losses, damages and liabilities (or actions,  proceedings or settlements
in respect  thereof) arising out of or based on any untrue statement (or alleged
untrue  statement)  of a material  fact  contained  in any  prospectus  or other
document incident to any such registration, or based on any omission (or alleged
omission)  to state  therein a material  fact  required to be stated  therein or
necessary to make the statements therein not misleading, or any violation by the
Company,  and will reimburse the Subscriber for any legal and any other expenses
as they are reasonably  incurred in connection with the investigating  defending
any such claim, loss, damage, liability or action;  PROVIDED,  HOWEVER, that the
indemnity  contained  in this  Section  5(a) shall not apply to amounts  paid in
settlement  of any  such  claim,  loss,  damage,  liability  or  action  if such
settlement is effected without the consent of the Company,  and PROVIDED FURTHER
that the  Company  shall not be liable in any such case to the  extent  that any
such claim, loss, damage,  liability or expense arises out of or is based on any
untrue statement or omission based upon written  information  unfurnished to the
Company  by  the  Subscriber  and  stated  to be  specifically  for  use  in the
registration statement filed pursuant to this Agreement. The foregoing indemnity
agreement is further  subject to the condition that insofar as it relates to any
untrue  prospectus,  such indemnity  agreement shall not inure to the benefit of
the foregoing unindemnified parties if copies of a final




260793-3
                                       3
<PAGE>



prospectus  correcting the misstatement,  or alleged  misstatement,  omission or
alleged  omission upon which such loss,  liability,  claim or damage is based is
timely delivered to such indemnified  party and a copy thereof was not furnished
to the person asserting the loss, liability, claim or damage.

                  (b) The  Subscriber  will  indemnify the Company,  each of its
directors  and  officers  and each person who  controls  the Company  within the
meaning of the Securities Act and the rules and regulations  thereunder  against
all claims,  losses,  damages  and  liabilities  (or  actions,  proceedings,  or
settlements in respect  thereof) arising out of or based on any untrue statement
(or alleged untrue  statement) of a material fact contained in any prospectus or
other document  incident to any such registration or based upon any omission (or
alleged omission) to state therein a material fact required to be stated therein
or necessary to make the  statements  therein not misleading or any violation of
the  Securities  Act or any  rule or  regulation  thereunder  applicable  to the
Company and will reimburse the Company, and its directors,  officers,  partners,
persons,  underwriters  or control  persons  for any legal or any other  expense
reasonably  incurred in  connection  with  investigating  or defending  any such
claim, loss,  damage,  liability or action, in each case to the extent, and only
to the extent,  that such untrue  statement  (or alleged  untrue  statement)  or
omission  (or  alleged  omission)  relating  to  such  holder  is  made  in such
registration  statement,  prospectus  offering  circular  or other  document  in
reliance  upon and in  conformity  with  written  information  furnished  to the
Company  by the  Subscriber  and  stated  to be  specifically  for use  therein;
PROVIDED, HOWEVEr, that the obligations of the Subscriber shall be limited to an
amount equal to the proceeds to the Subscriber of Registrable  Shares sold under
such  registration  and provided further that such  indemnification  obligations
shall not apply if the  Company  modifies  or changes  or a material  extent the
written information furnished by such Holder.

                  (c) Each party entitled to indemnification  under this Section
5 (an  "INDEMNIFIED  PARTY") shall give notice to the party  required to provide
indemnification (the "INDEMNIFYING PARTY") promptly after such Indemnified Party
has actual  knowledge of any claim as to which indemnity may be sought and shall
permit the  Indemnifying  Party to assume  the  defense of any such claim or any
litigation  resulting  therefrom;  PROVIDED  that  counsel for the  Indemnifying
Party,  who shall conduct the defense of such claim or any litigation  resulting
therefrom,  shall be approved by the Indemnified Party (whose approval shall not
reasonably be withheld or delayed), and the Indemnified Party may participate in
such defense at such indemnified party's expense,  and PROVIDED FURTHER that the
failure of any  Indemnified  Party to give notice as provided  herein  shall not
relieve the  Indemnifying  Party of its  obligations  under this  Agreement.  No
Indemnifying Party, in the defense of any such claim or litigation, shall except
with the consent of each Indemnified Party,  consent to entry of any judgment or
enter into any  settlement  which  does not  include  as an  unconditional  term
thereof the giving by the  claimant or plaintiff  to such  Indemnified  Party of
release  from  all  liability  in  respect  to such  claim or  litigation.  Each
Indemnified  Party shall furnish such information  regarding itself or the claim
in question as an Indemnifying Party may reasonably request in writing and shall
be reasonably  required in connection  with defense of such claim and litigation
resulting therefrom.




260793-3
                                       4
<PAGE>




         6.  INFORMATION BY HOLDER OF REGISTRABLE  SHARES.  The Subscriber shall
furnish  to the  Company  such  information  regarding  the  Subscriber  and the
distribution  proposed by such holder of  Registrable  Shares as the Company may
reasonably request in writing and as shall be reasonably  required in connection
with any registration referred to in this Agreement.

         7.  MISCELLANEOUS.

                  7.1.  GOVERNING LAW. This  agreement  shall be governed by and
construed in  accordance  with the laws of the State of New York without  giving
effect to conflict of laws.

                  7.2.  SUCCESSORS  AND ASSIGNS.  Except as  otherwise  provided
herein,  the  provisions  hereof  shall  inure to the benefit of, and be binding
upon,  the  successors,  assigns,  heirs,  executors and  administrators  of the
parties hereto.

                  7.3.  ENTIRE AGREEMENT.  This Agreement constitutes the full
and entire understanding and agreement between the parties with regard to the
subject matter hereof.

                  7.4.  NOTICES,  ETC.  All  notices  and  other  communications
required  or  permitted  hereunder  shall be in  writing  and shall be mailed by
first-class  mail,  postage  prepaid,  or  delivered  by hand or by messenger or
courier  delivery  service,  addressed (a) if to the  Subscriber,  at 4120 Yonge
Street, Suite 416, Toronto,  Ontario M2P1G9, Canada, or at such other address as
the Subscriber shall have furnished to the Company in writing,  or (b) if to the
Company,  at 18872 MacArthur  Boulevard,  Suite 300, Irvine,  California  92612,
U.S.A.,  or at such other  address as the Company  shall have  furnished  to the
Subscriber in writing.

                  7.5. DELAYS OR OMISSIONS. No delay or omission to exercise any
right,  power or remedy accruing to any holder of any Registrable  Shares,  upon
any breach or default of the Company under this Agreement, shall impair any such
right,  power, or remedy of such holder nor shall it be construed to be a waiver
of any such  breach or  default,  or an  acquiescence  therein,  or of or in any
similar  breach or  default  thereunder  occurring;  nor shall any waiver of any
single  breach or  default  be deemed a waiver  of any other  breach or  default
thereafter  occurring.  Any waiver,  permit,  consent or approval of any kind or
character  on the  part of any  holder  of any  breach  or  default  under  this
Agreement,  or any  waiver  on  the  part  of any  party  of any  provisions  or
conditions of this Agreement,  must be in writing and shall be effective only to
the extent  specifically set forth in such writing.  All remedies,  either under
this  Agreement  or by  law  or  otherwise  afforded  to any  holder,  shall  be
cumulative and not alternative.

                  7.6.  COUNTERPARTS.  This agreement may be executed in any 
number of counterparts, each of which shall be enforceable against the parties
actually executing such


260793-3
                                       5
<PAGE>


counterparts, and all of which together shall constitute one instrument.

                  7.7.  SEVERABILITY.  In case any  provision of this  agreement
shall  be  invalid,  illegal  or  unenforceable,   the  validity,  legality  and
enforceability  of the remaining  provisions shall not in any way be affected or
impaired thereby.

                  7.8.  AMENDMENTS.  The  provisions  of this  Agreement  may be
amended at any time and from time to time,  and  particular  provisions  of this
Agreement  may be waived,  with and only with an agreement or consent in writing
signed by the Company and by the subscriber.


                  IN WITNESS  WHEREOF,  the  undersigned  executed the foregoing
Registration Rights Agreement as of the date first above written.


                                          STARBASE CORPORATION


                                          By:___________________________________
                                          Name:
                                          Title:



                                          --------------------------------------
                                          Name:
                                          Title:




260793-3
                                       6
<PAGE>


                                              NONTRANSFERABLE WARRANT

THIS WARRANT AND THE COMMON STOCK TO BE ISSUED UPON EXERCISE OF
THIS WARRANT HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF
1933, AS AMENDED (THE "ACT")

THIS  CERTIFICATE  IS NOT  TRANSFERABLE  AND MAY NOT BE SOLD,  OFFERED FOR SALE,
PLEDGED OR HYPOTHECATED.

No. 1998-CMN-XXX                                    Warrant to Purchase XXXX
                                                    Shares of Common Stock
                                                    (subject to adjustment)

                        WARRANT TO PURCHASE COMMON STOCK
                                       of
                              STARBASE CORPORATION
               Void after the fifth anniversary of the Issue Date

         This certifies that, for value received,  [Insert]] (the "Holder"),  is
entitled,  subject  to the terms set forth  below,  to  purchase  from  StarBase
Corporation,  a  Delaware  corporation  (the  "Company"),  [XXX]  shares  of the
Company's  common  stock,  par value $.01 per share  (the  "Common  Stock"),  as
constituted  on the date hereof  (the  "Warrant  Issue  Date"),  upon  surrender
hereof,  at the  principal  office of the Company  referred  to below,  with the
Notice of Exercise  attached  hereto duly  executed,  and  simultaneous  payment
therefor in lawful  money of the United  States,  or  otherwise  as  hereinafter
provided,  at the exercise price as set forth in Section 2 below. The number of,
and exercise price for, such shares of Common Stock are subject to adjustment as
provided herein.

         1. TERM OF  WARRANT.  Subject  to the terms  and  conditions  set forth
herein, this Warrant shall be exercisable,  in whole or in part, during the term
commencing  on the  Warrant  Issue Date and  terminating  on or before the fifth
anniversary of the Warrant Issue Date.

         2. EXERCISE PRICE. The exercise price shall be U.S. $1.50.

         3.       EXERCISE OF WARRANT.

                  (a) This Warrant is exercisable by the Holder,  in whole or in
part,  but not for less than  1,000  shares  of Common  Stock at a time (or such
lesser number of shares as may then  constitute the maximum number  purchasable;
such number being subject to adjustment as provided in Section 14 below), at any
time,  or from time to time,  during the term hereof as  described  in Section 1
above,  by the  surrender  of this  Warrant and the Notice of  Exercise  annexed
hereto as Exhibit 1 duly completed and executed on behalf of the Holder,  at the
office of

                                        1

260807-3

<PAGE>



the Company (or such other  office or agency of the Company as it may  designate
by notice in writing to the Holder at the address of the Holder appearing on the
books of the  Company),  upon payment (i) in cash or by check  acceptable to the
Company,  (ii) by  cancellation  by the Holder of indebtedness of the Company to
the Holder, or (iii) by a combination of (i) and (ii), for the purchase price of
the shares to be purchased.

                  (b)  This  Warrant  shall be  deemed  to have  been  exercised
immediately  prior to the close of  business  on the date of its  surrender  for
exercise as  provided  above,  and the person  entitled to receive the shares of
Common Stock  issuable upon such  exercise  shall be treated for all purposes as
the holder of record of such  shares as of the close of  business  on such date.
Unless exercised in connection with an underwritten public offering, as promptly
as  practicable  on or after such date and in any event  within two (2) business
days thereafter, the Company at its expense shall issue promptly thereafter (and
deliver  forthwith  or make  available  for  pickup by  Holder) to the person or
persons  entitled  to receive the same a  certificate  or  certificates  for the
number of  shares  issuable  upon such  exercise.  If the  certificates  are not
delivered  to the  Holder  within  five  (5)  business  days of  receipt  by the
Company's  transfer  agent of the notice of  exercise,  the Company will pay the
Holder an amount  equal to $500 per day for each delay above the initial two (2)
business  days. In the event that this Warrant is exercised in part, the Company
at its expense will execute and deliver a new Warrant of like tenor  exercisable
for the number of shares for which this  Warrant may then be  exercised.  In the
event of exercise at the time of an underwritten  public  offering,  the Company
will provide instructions as to the exercise of this Warrant into such shares.

         4. NO  FRACTIONAL  SHARES  OR  SCRIP.  No  fractional  shares  or scrip
representing  fractional  shares  shall  be  issued  upon the  exercise  of this
Warrant.  In lieu of any fractional share to which the Holder would otherwise be
entitled,  the Company shall make a cash payment equal to the difference between
the market price and the exercise price multiplied by such fraction.

         5.   REPLACEMENT  OF  WARRANT.   On  receipt  of  evidence   reasonably
satisfactory  to the Company of the loss,  theft,  destruction  or mutilation of
this Warrant and, in the case of loss,  theft or destruction,  on delivery of an
indemnity agreement reasonably satisfactory in form and substance to the Company
or, in the case of mutilation,  on surrender and  cancellation  of this Warrant,
the Company at its expense shall execute and deliver, in lieu of this Warrant, a
new warrant of like tenor and amount.

         6.  REGISTRATION.  The shares of Common Stock  underlying  this Warrant
(the "Registrable  Securities") will be included in a registration  statement on
Form S-3 filed in accordance with the Unit Subscription Agreement,  each between
the  Holder  and the  Company  and  entered  into on  January  8,  1998  and the
Registration Rights Agreement.

         7. RIGHTS OF  STOCKHOLDER.  Subject to  Sections  11, 12 and 13 of this
Warrant,  the Holder  shall not be entitled to vote or receive  dividends  or be
deemed the holder of Common  Stock or any other  securities  of the Company that
may at any time be issuable on the exercise  hereof for any  purpose,  nor shall
anything contained herein be construed to confer upon the

                                        2

260807-3

<PAGE>



Holder,  as such, any of the rights of a stockholder of the Company or any right
to vote  for  the  election  of  directors  or  upon  any  matter  submitted  to
stockholder  at any  meeting  thereof,  or to give or  withhold  consent  to any
corporate  action  (whether  upon  any  recapitalization,   issuance  of  stock,
reclassification  of stock,  consolidation,  merger or  otherwise) or to receive
notices of meetings, or to receive dividends or subscription rights or otherwise
until the  Warrant  shall have been  exercised  and the  shares of Common  Stock
purchasable upon the exercise hereof shall have been issued, as provided herein.

         8. TRANSFERABILITY AND  NON-NEGOTIABILITY OF WARRANT.  This Warrant may
not be assigned or transferred in whole or in part.

         9. COMPLIANCE WITH SECURITIES LAWS.

                  (a)  The  Holder  of  this  Warrant,   by  acceptance  hereof,
acknowledges  that the shares of Common Stock to be issued upon exercise  hereof
are being acquired  solely for the Holder's own account and not as a nominee for
any other party, and for investment, and that the Holder will not offer, sell or
otherwise  dispose  of any  shares of Common  Stock to be issued  upon  exercise
hereof,  except under  circumstances  that will not result in a violation of the
United States  Securities Act of 1933, as amended (the "Act"), or any foreign or
state  securities  laws.  Upon  exercise of this Warrant,  the Holder shall,  if
requested  by the Company,  confirm in writing,  in a form  satisfactory  to the
Company,  that the shares of Common Stock so purchased are being acquired solely
for the  Holder's  own  account and not as a nominee  for any other  party,  for
investment, and not with a view toward distribution or resale.

                  (b) All shares of Common Stock issued upon exercise hereof may
be stamped or imprinted  with one or more of the following  legends (in addition
to any legend  required by the Act and the  securities  laws of any state of the
United States) as determined by counsel for the Company:

              "THESE SECURITIES HAVE NOT BEEN REGISTERED UNDER THE UNITED STATES
              SECURITIES  ACT OF 1933,  AS AMENDED (THE "ACT").  THEY MAY NOT BE
              SOLD,  OFFERED FOR SALE, PLEDGED OR HYPOTHECATED IN THE ABSENCE OF
              A REGISTRATION  STATEMENT IN EFFECT WITH RESPECT TO THE SECURITIES
              UNDER  SUCH  ACT OR AN  OPINION  OF  COUNSEL  SATISFACTORY  TO THE
              COMPANY THAT SUCH REGISTRATION IS NOT REQUIRED."

         10.  RESTRICTIONS ON TRANSFER OF UNDERLYING COMMON STOCK. The Holder of
this  Warrant by  acceptance  hereof  agrees that the  transfer of the shares of
Common  Stock  issuable  upon the exercise of all or any portion of this Warrant
(the  "Securities") is subject to the provisions of this Warrant,  which include
restrictions on transfer of the Securities.

         11.  RESERVATION OF COMMON STOCK.  The Company covenants that during 
the term this

                                        3

260807-3

<PAGE>



Warrant is  exercisable,  the  Company  will  reserve  from its  authorized  and
unissued shares of Common Stock a sufficient number of shares to provide for the
issuance of Common Stock upon the  exercise of this  Warrant  and,  from time to
time, will take all steps  necessary to amend its  Certificate of  Incorporation
(the  "Certificate")  to provide a sufficient  reserve of shares of Common Stock
issuable upon exercise of the Warrant.  The Company  further  covenants that all
shares  that may be  issued  upon the  exercise  of rights  represented  by this
Warrant,  upon exercise of the rights represented by this Warrant and payment of
the exercise price, all as set forth herein,  will be free from all taxes, liens
and charges in respect of the issue thereof  (other than taxes in respect of any
transfer occurring contemporaneously or otherwise specified herein). The Company
agrees that its issuance of this Warrant shall  constitute full authority to its
officers  who are  charged  with the duty of  executing  stock  certificates  to
execute and issue the necessary certificates for shares of Common Stock upon the
exercise of this Warrant.

         12.      NOTICES.

                  (a)  Whenever   the   exercise   price  or  number  of  shares
purchasable  hereunder  shall be  adjusted  pursuant  to Section 14 hereof,  the
Company shall issue a  certificate  signed by its Secretary  setting  forth,  in
reasonable  detail,  the  event  requiring  the  adjustment,  the  amount of the
adjustment,  the method by which such adjustment was calculated and the exercise
price and number of shares  purchasable  hereunder  after giving  effect to such
adjustment,  and shall cause a copy of such  certificate  to be mailed (by first
class mail, postage prepaid) to the Holder of this Warrant.

                  (b) In case the Company  shall take a record of the holders of
its Common Stock (or other stock or securities at the time  receivable  upon the
exercise of this Warrant) for the purpose of:

                            (i) entitling them to receive any dividend or othe
distribution, or any right to subscribe for or purchase any shares of stock of 
any class or any other securities, or to receive any other right, or

                           (ii) any capital reorganization of the Company, any
reclassification of the capital stock of the Company, any consolidation or 
merger of the Company with or into another  corporation,  or any sale,  lease or
conveyance of all or substantially all of the assets of the Company to another
person, or

                           (iii) any voluntary dissolution, liquidation or
winding-up of the Company, or,

                           (iv)  any  other  matter  referenced  in  Section  14
hereof, then, and in each such case, the Company will mail or cause to be mailed
 to the Holder or Holders a notice specifying, as the case may be, (A) the date
on which a record is to be taken for the purpose of such dividend,  distribution
or right,  and stating the amount and character of such dividend, distribution
or right, or (B) the date on which such reorganization, reclassification, 
consolidation,

                                        4

260807-3

<PAGE>


merger, conveyance, dissolution, liquidation or winding-up is to take place, and
the time,  if any is to be fixed,  as of which the  holders  of record of Common
Stock (or such stock or securities at the time  receivable  upon the exercise of
this  Warrant)  shall be entitled to exchange  their  shares of Common Stock (or
such other stock or securities)  for  securities or other  property  deliverable
upon such reorganization,  reclassification,  consolidation, merger, conveyance,
dissolution,  liquidation or winding-up. Such notice shall be mailed at least 10
days prior to the date therein specified.

                  (c) All such  notices  and  communications  shall be deemed to
have been  received  (i) in the case of personal  delivery,  on the date of such
delivery and (ii) in the case of mailing,  on the second  business day following
the date of such mailing.

         13.      AMENDMENTS.

                  (a) Any term of this  Warrant may be amended  with the written
consent of the Company and the Holder.

                  (b) No  waivers of or  exceptions  to any term,  condition  or
provision of this Warrant, in any one or more instances,  shall be deemed to be,
or construed as, a further or continuing  waiver of any such term,  condition or
provision.

         14.  ADJUSTMENTS.   The  exercise  prices  and  the  number  of  shares
purchasable hereunder are subject to adjustment from time to time as follows:

         14.1     MERGER, SALE OF ASSETS, ETC.

                  If at any time, while this Warrant, or any portion thereof, is
outstanding  and  unexpired  there shall be (i) a  reorganization  (other than a
combination,  reclassification  exchange  or  subdivision  of  shares  otherwise
provided for in Sections 14.2 and 14.3),  (ii) a merger or  consolidation of the
Company  with or into  another  corporation  in  which  the  Company  is not the
surviving  person,  or a reverse  triangular  merger in which the Company is the
surviving  person  but the shares of the  Company's  capital  stock  outstanding
immediately prior to the merger are converted by virtue of the merger into other
property,  whether in the form of cash, securities or otherwise, or (iii) a sale
or transfer of the Company's  properties and assets as, or substantially  as, an
entirety to any other person,  then, as a part of such  reorganization,  merger,
consolidation,  sale or  transfer,  lawful  provision  shall be made so that the
Holder shall  thereafter  be entitled to receive upon  exercise of this Warrant,
during the period  specified  herein and upon payment of the exercise price then
in effect,  the number of shares of stock or other securities or property of the
successor corporation resulting from such reorganization, merger, consolidation,
sale or transfer which a holder of the shares  deliverable upon exercise of this
Warrant   would  have  been   entitled   to  receive  in  such   reorganization,
consolidation,  merger,  sale or  transfer if this  Warrant  had been  exercised
immediately before such reorganization, merger, consolidation, sale or transfer,
all subject to further  adjustment as provided in this Section 14. The foregoing
provisions   of  this  Section  14.1  shall   similarly   apply  to   successive
reorganizations,

                                        5

260807-3

<PAGE>



consolidations,  mergers,  sales and transfers and to the stock or securities of
any other corporation which are at the time receivable upon the exercise of this
Warrant.  If the per share  consideration  payable  to the  Holder for shares in
connection with any such  transaction is in a form other than cash or marketable
securities,  then the value of such  consideration  shall be  determined in good
faith by the Company's Board of Directors,  whose  determination  shall be final
and binding. In all events,  appropriate adjustment (as determined in good faith
by the Company's  Board of Directors)  shall be made in the  application  of the
provisions  of this  Warrant  with  respect to the rights and  interests  of the
Holder after the  transaction,  to the end that the  provisions  of this Warrant
shall be  applicable  after  that  event,  as  nearly as  reasonably  may be, in
relation  to any  shares or other  property  deliverable  after  that event upon
exercise of this Warrant.

         14.2  RECLASSIFICATION,  ETC.  If the  Company  at any time  while this
Warrant,  or any portion  thereof,  remains  outstanding and unexpired shall, by
reclassification of securities or otherwise,  change any of the securities as to
which  purchase  rights  under this  Warrant  exist into the same or a different
number  of  securities  of any  other  class  or  classes,  this  Warrant  shall
thereafter  represent the right to acquire such number and kind of securities as
would  have been  issuable  as the  result of such  change  with  respect to the
securities  which  were  subject  to the  purchase  rights  under  this  Warrant
immediately  prior to such  reclassification  or other  change and the  exercise
price  therefor  shall  be  appropriately   adjusted,  all  subject  to  further
adjustment as provided in this Section 14.

         14.3 SPLIT, SUBDIVISION OR COMBINATION OF SHARES. If the Company at any
time while  this  Warrant,  or any  portion  thereof,  remains  outstanding  and
unexpired shall split,  subdivide or combine the securities as to which purchase
rights under this Warrant  exist,  into a different  number of securities of the
same class,  the exercise  price for such  securities  shall be  proportionately
decreased in the case of a split or subdivision or proportionately  increased in
the case of a combination.

         14.4  ADJUSTMENTS  FOR  DIVIDENDS  IN  STOCK  OR  OTHER  SECURITIES  OR
PROPERTY. If while this Warrant, or any portion thereof, remains outstanding and
unexpired the holders of the securities as to which  purchase  rights under this
Warrant exist at the time shall have  received,  or, on or after the record date
fixed for the determination of eligible stockholder,  shall have become entitled
to  receive,  without  payment  therefor,  other  or  additional  stock or other
securities or property (other than cash) of the Company by way of dividend, then
and in each case, this Warrant shall represent the right to acquire, in addition
to the  number  of shares  of the  security  receivable  upon  exercise  of this
Warrant,  and without  payment of any  additional  consideration  therefor,  the
amount of such other or additional  stock or other securities or property (other
than  cash) of the  Company  which  such  holder  would hold on the date of such
exercise  had it been the  holder  of  record of the  security  receivable  upon
exercise  of this  Warrant  on the date  hereof and had  thereafter,  during the
period from the date hereof to and including the date of such exercise, retained
such shares  and/or all other  additional  stock  available  by it as  aforesaid
during such  period,  giving  effect to all  adjustments  called for during such
period by the provisions of this Section 14.


                                        6

260807-3

<PAGE>



         14.5  CERTIFICATE  AS TO  ADJUSTMENTS.  Upon  the  occurrence  of  each
adjustment  or  readjustment  pursuant  to this  Section  14, the Company at its
expense shall promptly  compute such  adjustment or  readjustment  in accordance
with the terms  hereof and furnish to each Holder a  certificate  setting  forth
such adjustment or readjustment  and showing in detail the facts upon which such
adjustment  or  readjustment  is based.  The  Company  shall,  upon the  written
request,  at any time,  of any such Holder,  furnish or cause to be furnished to
such  Holder  a  like  certificate  setting  forth:  (i)  such  adjustments  and
readjustments;  (ii) the  exercise  price at the time in  effect;  and (iii) the
number of shares and the  amount,  if any, of other  property  which at the time
would be received upon the exercise of the Warrant.

         14.6 NO  IMPAIRMENT.  The Company  will not, by any  voluntary  action,
avoid or seek to avoid the  observance or  performance of any of the terms to be
observed or performed  hereunder  by the Company,  but will at all times in good
faith assist in the carrying out of all the provisions of this Section 14 and in
the taking of all such action as may be  necessary  or  appropriate  in order to
protect the rights of the Holders against impairment.

         15.   MISCELLANEOUS PROVISIONS.

                  (i)  GOVERNING  LAW.  This  Warrant  shall be governed by, and
construed in  accordance  with,  the laws of the State of New York, as such laws
are applied to  contracts  entered  into and  performed  in such State,  without
resort to that State's conflict-of-laws rules.

                  (ii)  ATTORNEY'S  FEES.  If any  action at law or in equity is
necessary  to enforce or interpret  the terms of this  Warrant,  the  prevailing
party shall be entitled to reasonable  attorneys' fees, costs and disbursements,
in addition to any other relief to which such party may be entitled.

                  IN WITNESS  WHEREOF,  STARBASE  CORPORATION  has  caused  this
Warrant to be executed by its officers thereunto duly authorized.

Dated as of January  __, 1998

                                  STARBASE CORPORATION

                                  By:______________________________________
                                  Name:
                                  Title:


                                        7

260807-3

<PAGE>



                                                     EXHIBIT 1

                                                NOTICE OF EXERCISE


To:      STARBASE CORPORATION
         18872 MacArthur Boulevard
         Suite 300
         Irvine, California 92612
         Attn:  Chief Financial Officer


         (1) The  undersigned  hereby  elects to  purchase  _________  shares of
Common  Stock of STARBASE  CORPORATION,  pursuant  to the terms of the  attached
Warrant, and tenders herewith payment of the purchase price for such shares.

         (2) In exercising  this Warrant,  the  undersigned  hereby confirms and
acknowledges  that the shares of Common Stock are being acquired  solely for the
account of the  undersigned  and not as a nominee for any other party,  and that
the undersigned will not offer,  sell or otherwise dispose of any such shares of
Common Stock,  except under circumstances that will not result in a violation of
the United States  Securities  Act of 1933, as amended,  or any foreign or state
securities laws.

         (3) In accordance with the  Irrevocable  Instructions to Transfer Agent
dated January __, 1998,  please issue within two (2) business days of receipt of
this Notice of Exercise a certificate or certificates  representing  said shares
of  Common  Stock in the name of the  undersigned  or,  if the  undersigned  has
designated a nominee, such nominee as is specified below.



Name:
Address:



Deliver to:



         (4)  Please  issue a new  Warrant  for the  unexercised  portion of the
attached  Warrant  in the name of the  undersigned  or, if the  undersigned  has
designated a nominee, such nominee as is specified below.


- ----------------------------------          ------------------------------------
[Date]                                      Name:
                                            Title:
                                        8


260807-3
                                        
<PAGE>


                              StarBase Corporation

                           Unit Subscription Agreement



                  THIS UNIT  SUBSCRIPTION  AGREEMENT dated as of January 8, 1998
by and between StarBase Corporation, a Delaware corporation (the "Company"), and
________, a __________ who resides in ________________ (the "Purchaser").


                              W I T N E S S E T H :


                  WHEREAS,  the Company is offering to sell,  upon the terms and
subject to the conditions  hereinafter set forth, 1,200,000 units (the "Units"),
each Unit consisting of one share of the Company's Series D Preferred Stock, par
value  $0.01 per share (the  "Series D Preferred  Stock"),  having the terms and
provisions set forth in the  certificate  of  designation to the  Certificate of
Incorporation of the Company,  attached hereto as Exhibit A (the "Certificate of
Designation"),  with each share of Series D Preferred Stock  convertible  into a
share or shares of common stock,  par value $0.01 per share (the "Shares"),  and
one warrant to purchase 0.4166 share of Common Stock,  substantially in the form
of Exhibit B hereto (each, a "Warrant"); and

                  WHEREAS,  the Purchaser  desires to purchase,  upon such terms
and subject to such  conditions,  the number of Units set forth on the signature
page hereof;

                  NOW,  THEREFORE,  in  consideration  of the  premises  and the
mutual  covenants  hereinafter  set forth,  the parties  hereto  hereby agree as
follows:


         1.       PURCHASE AND SALE OF UNITS

                  1.1      Issuance and Sale of Units

    Upon the terms and subject to the conditions of this Agreement,  the Company
shall sell to the Purchaser,  and the Purchaser shall purchase from the Company,
at a purchase  price,  in lawful money of the United States,  of $1.25 per Unit,
1,200,000  Units set forth opposite the  Purchaser's  name on the signature page
hereof  for the  aggregate  purchase  price set  forth  thereon  (the  "Purchase
Price").  The Purchaser  shall specify on the signature  page hereof the address
for any  notices  given  hereunder.  The  offer  and sale of the Units are being
effected in  accordance  with and in reliance on the  provisions of Regulation D
under the United  States  Securities  Act of 1933,  as amended  (the  "Act") and
subsections 35(1)5 and 72(1)(d) of the Ontario Securities Act.

260805-4                                                               1/8/98
                                      - 1 -

<PAGE>



     The Units will be sold in two tranches of $750,000 each.  The first tranche
will be funded on the  Closing  Date (as defined  below) and the second  tranche
will be funded  upon the  second  business  day after the date (the  "Additional
Closing   Date")  the   registration   statement  is  declared   effective  (the
"Registration  Effective  Date").  The  second  tranche  will be  subject to the
following  conditions,  which  may be waived  by the  Purchaser  in its sole and
absolute  discretion (1) the daily trading value for the previous 20 days ending
on the day prior to the Registration  Effective Date is at least $30,000 and (2)
the  closing  bid  price has been at least  $0.88 for each of the five  previous
trading days ending on the day prior to the Registration Effective Date.

                  1.2      Offering Expenses

     Of the Purchase Price so payable by the Purchaser, an amount, not in excess
of $35,000, shall be applied to pay brokerage  commissions,  attorneys' fees and
disbursements  and other expenses incurred in connection with the offer and sale
of the Units  hereunder.  The Purchaser shall pay the legal fees of its counsel,
which fees shall not exceed $5,000 and shall be deducted from the Purchase Price
to be paid on the first tranche.

                  1.3      Closing

     Promptly upon the execution and delivery of this Agreement by the Company
and the Purchaser:

                           (a) the Purchaser shall deliver to Parker Chapin
Flattau &  Klimpl,  LLP,  at 1211  Avenue of the  Americas,  New York,  New York
10036-8735, U.S.A., Attention: Martin Eric Weisberg, Esq. (the "Closing Agent"),
(i) an  executed  copy of the  Agreement  (or a  photocopy  or  other  facsimile
thereof)  and (ii)  payment of the  Purchase  Price for the first  tranche  less
$5,000 for legal fees by wire  transfer of  immediately  available  funds to the
account specified by the Closing Agent; and

                           (b) the Company shall deliver to the Closing Agent or
to  such  person  as  directed  by  the  Closing  Agent  (i)   certificates   in
denominations requested by the Purchaser registered in the name of the Purchaser
or, if the Purchaser shall have designated a nominee, such nominee, representing
the number of shares of Common Stock included  within the Units purchased by the
Purchaser  hereunder  (the  "Certificates"),   (ii)  Warrants  in  denominations
requested by the  Purchaser to purchase  shares of Common  Stock,  and (iii) the
documents set forth in Section 5.5 hereof.

Promptly  upon  receipt of the funds and  documents  required so to be delivered
(the date upon which all such funds and documents  are actually  received by the
Closing Agent being hereinafter  referred to as the "Closing Date"), the Closing
Agent shall (a) deliver the  Certificates,  Warrants and the documents set forth
in Sections 5.4 and 5.5.  hereof to the Purchaser (or its nominee,  if any), and
(b) pay over,  as directed,  the Purchase  Price to the Company.  Subject to the
conditions  set forth in Section 1.1, the  provisions  of this Section 1.3 shall
apply mutatis  mutandis to the second tranche  funded on the Additional  Closing
Date.

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                                      - 2 -

<PAGE>



                  1.4      Registration

     The Common Stock issuable upon conversion of the Series D Preferred Stock
and upon the exercise of the  Warrants  will be  registered  for resale no later
than 90 days from the closing date pursuant to a registration  statement on Form
S-3.  The  registration  statement  is to be filed within 30 days of the closing
date and shall be in a form  reasonably  satisfactory  to the Purchaser.  If the
registration  statement is not effective within 90 days, the Company will pay an
amount equal to 2% of the Purchase Price of the Units on the 91st day and at the
end of each 30-day period  thereafter until the registration  statement has been
declared effective.

         2.       REPRESENTATIONS AND WARRANTIES OF THE COMPANY

     The Company hereby represents and warrants to the Purchaser as follows:

                  2.1      Organization and Good Standing

     The Company is a corporation duly organized, validly existing and in good
standing under the laws of the State of Delaware and has all requisite corporate
power and authority to carry on its business as now conducted.

                  2.2      Capitalization

    The authorized capital of the Company consisted of 50,000,000 shares of
Common  Stock,  of which  16,654,428  shares were issued and  outstanding  as of
December 31, 1997, of which none is treasury  stock,  and  10,000,000  shares of
preferred  stock,  par value $.01 per share (the  "Preferred  Stock"),  of which
3,000,000  shares were  designated  Series A Preferred  Stock,  of which none is
issued and outstanding as of November 30, 1997; 2,500,000 shares were designated
Series B Preferred Stock, of which none is issued and outstanding as of November
30, 1997; 366,000 shares were designated Series C Preferred Stock, of which none
is issued and  outstanding  as of November 30, 1997;  and 1,200,000  shares were
designated Series D Preferred Stock, which shares may be issued pursuant to this
Agreement.  The number of outstanding shares of Common Stock and Preferred Stock
has not materially  changed since November 30, 1997. The  outstanding  shares of
Common Stock and Preferred Stock are all duly and validly authorized and issued,
fully paid and nonassessable.

                  2.3      Authorization

    The Company has all requisite corporate power and authority to execute and
deliver this Agreement and to perform its obligations  hereunder.  The execution
and delivery of this  Agreement by the Company does not, and the  performance of
its  obligations  hereunder will not,  violate or conflict with any provision of
the Company's  Certificate of Incorporation or By-laws or any material agreement
to which the Company is a party. All corporate action on the part of the Company
required for the authorization, execution and delivery of this Agreement and the

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                                      - 3 -

<PAGE>



performance of its obligations hereunder, including the issuance and delivery of
the Units,  has been taken.  This Agreement has been duly executed and delivered
by the  Company,  and  assuming due  execution  and  delivery by the  Purchaser,
constitutes a valid and legally binding obligation of the Company enforceable in
accordance  with its  terms,  except as limited  by (i)  applicable  bankruptcy,
insolvency,  reorganization,  moratorium,  and other laws of general application
affecting   enforcement  of  creditors'  rights  generally  and  (ii)  equitable
principles  relating to the  availability  of specific  performance,  injunctive
relief and other equitable remedies.

                  2.4      Valid Issuance of Series D Preferred D Stock

    The Series D Preferred Stock which is being purchased by the Purchaser
hereunder is duly authorized and, when issued,  sold and delivered in accordance
with  the  terms  hereof,  will be duly  and  validly  issued,  fully  paid  and
nonassessable,  and,  based upon the  representations  of the  Purchaser in this
Agreement,  will be issued in compliance with the  registration  requirements of
all applicable federal and state securities laws. The Common Stock issuable upon
conversion of the Series D Preferred Stock and upon the exercise of the Warrants
is duly authorized and has been duly and validly reserved for issuance and, upon
issuance to the Purchaser in accordance with the terms of the Series D Preferred
Stock  and the  Warrants,  will be duly  and  validly  issued,  fully  paid  and
nonassessable,  and issued in compliance with the  registration  requirements of
all applicable  federal and state  securities laws or exemptions  therefrom,  as
presently in effect, of the United States.

                  2.5      Governmental Consents

    Except for the filing of the Certificate of Designation with the 
Secretary  of State of the State of Delaware  and the filing of the Form 20 with
the Securities Commission of Ontario, no consent,  approval or authorization of,
or  designation,  declaration  or filing on the part of the  Company  with,  any
United States federal or state governmental  authority or Nasdaq SmallCap Market
or,  to the  best  knowledge  of the  Company,  with  any  foreign  governmental
authority,  is required in connection  with the valid  execution and delivery of
this Agreement,  or the offer, sale or issuance of the Units or the consummation
of any other transaction contemplated hereby.

                  2.6      Offering

    Based upon the Purchaser's representations set forth in Section 3 of this
Agreement,  the offer,  sale and issuance of the Units as  contemplated  by this
Agreement are exempt from the registration  requirements of the Act, and neither
the Company nor any  authorized  agent acting on its behalf has taken any action
that would cause the loss of such exemption.  The offer and sale of the Units is
not a transaction (or any element of a series of  transactions)  that is part of
any plan or scheme to evade the registration provisions of the Act.


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                                      - 4 -

<PAGE>



                  2.7      Filings Under the Act and the Securities Exchange Act

     The Company has timely filed all reports and other documents required to be
filed by it under the Act and the United States Securities Exchange Act of 1934,
as amended  (the  "Exchange  Act") for a period of at least  twelve  (12) months
prior to the  date  hereof,  and no such  document,  at the  time it was  filed,
contained any untrue statement of a material fact or omitted to state a material
fact necessary to make the  statements  contained  therein,  in the light of the
circumstances  under  which they were made,  not  misleading.  There has been no
material  change in the Company  since its last filing with the  Securities  and
Exchange Commission.

                  2.8      Reporting Company; Nasdaq Listing

     The Company has registered its Common Stock pursuant to Section 12 of the
Exchange  Act and the Common  Stock is listed and traded on the Nasdaq  SmallCap
Market.

                  2.9      Reservation of Common Stock

     The Company has reserved 2,579,835 shares of Common Stock for issuance
upon exercise of all outstanding options and warrants.

         3.       REPRESENTATIONS AND WARRANTIES OF THE PURCHASER

     The Purchaser hereby represents and warrants to the Company as follows:

                  3.1      Nature of Purchaser

                           [Insert]

                  3.2      Authorization

     Purchaser has all requisite power and authority to execute and deliver this
Agreement and to perform its obligations hereunder. This Agreement has been duly
executed and delivered by the Purchaser,  and assuming execution and delivery by
the Company, constitutes a valid and legally binding obligation of the Purchaser
enforceable  in accordance  with its terms,  except as limited by (i) applicable
bankruptcy,  insolvency,  reorganization,  moratorium, and other laws of general
application  affecting  enforcement  of  creditors'  rights  generally  and (ii)
equitable  principles  relating to the  availability  of  specific  performance,
injunctive relief and other equitable remedies.

                  3.3      Accredited or Sophisticated Purchaser

      The Purchaser is an investor in securities of companies in the development
stage and is able to fend for herself, can bear the economic risk of her 
investment and has such

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                                      - 5 -

<PAGE>



knowledge and experience in financial or business matters that she is capable of
evaluating the merits and risks of the investment in the Units.

                  3.4      Economic Risk

     The Purchaser has carefully reviewed and understands the risks of, and 
other  considerations  relating to, a purchase of the Units and an investment in
the Company. The Purchaser has such experience in business and financial matters
that she is capable of evaluating the risks of her  investment  and  determining
the suitability of her investment.  The Purchaser has received and has carefully
read this Agreement.  The Purchaser has consulted the Purchaser's own financial,
legal and tax advisors with respect to the economic,  legal and tax consequences
of an investment  in the Units and has not relied on the Company,  its officers,
directors,   affiliates  or   professional   advisors  for  advice  as  to  such
consequences.
                  3.5      Independent Investigation; Advertisements

     The Purchaser, in offering to purchase the Units hereunder, has relied
solely  upon  an  independent  investigation  made  by  the  Purchaser  and  her
representatives, if any, and has, prior to the date hereof, been given access to
and the  opportunity  to examine all books and records of the  Company,  and all
material  contracts  and  documents  of the  Company.  In making her  investment
decision  to purchase  the Units,  the  Purchaser  is not relying on any oral or
written  representations  or assurances  from the Company or any other person or
any representation of the Company or any other person other than as set forth in
this  Agreement,  or on any  information  other than  contained in the Company's
public filings required under the Act and the Exchange Act. The Purchaser is not
subscribing  for the Units as a result of or  subsequent  to any  advertisement,
article, notice or other communication  published in any newspaper,  magazine or
similar  media,  or  broadcast  over  television  or radio,  or presented at any
seminar.

                  3.6      Investment for Own Account

     Except as otherwise indicated herein, the Purchaser is the sole party in
interest as to his  investment  in the Company,  and he is  acquiring  the Units
(including,  without limitation,  the Series D Preferred Stock, the Common Stock
issued upon  conversion  of the Series D Preferred or the exercise of a Warrant)
for the Purchaser's own account and has no present  agreement,  understanding or
arrangement to subdivide,  sell, assign, transfer or otherwise dispose of all or
any part of the Units  (including,  without  limitation,  the Series D Preferred
Stock,  the Common  Stock issued upon the  conversion  of the Series D Preferred
Stock or the  exercise of a Warrant)  subscribed  for to any other  person.  The
Purchaser  represents  and  warrants  that he is  purchasing  the  Units for his
Registered Retirement Savings Plan, account number 550 98866 19.

                  3.7      No Government Recommendation or Approval


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                                      - 6 -

<PAGE>



     The Purchaser understands that no United States federal or state agency, or
similar agency of any other country, has reviewed, approved, passed upon or made
any  recommendation  or  endorsement  of the Company,  this  transaction  or the
purchase of the Units.


                  3.8      No Registration

     The Purchaser understands that the Units, the Common Stock and the
Common Stock issued upon exercise of the Warrants have not been registered under
the Act and are being  offered and sold  pursuant to  Regulation D based in part
upon the representations of the Purchaser contained herein.

                  3.9      No Sale in Violation of the Securities Laws

     The Purchaser covenants that she will not knowingly make any sale, transfer
or other  disposition of the Units in violation of the Act, the Exchange Act, or
the rules and regulations of the Securities and Exchange Commission  promulgated
under any of the foregoing.

                  3.10     No Legal Advice from Company

     The Purchaser acknowledges that she has had the opportunity to review this
Agreement and the transactions contemplated by this Agreement with her own legal
counsel.  The  Purchaser  is  relying  solely  on  such  counsel  and not on any
statements  or  representations  of the  Company  or any of its agents for legal
advice with respect to the investment or the  transactions  contemplated by this
Agreement.


         4.       COMPLIANCE WITH SECURITIES LAWS; COVENANTS

                  4.1      Resales Subject to U.S. Securities Laws

     The Purchaser acknowledges that the Units have not been registered under
the Act,  and agrees to resell the Units,  the Series D Preferred  Stock and the
Warrants  included  therein and any Common Stock issued upon  conversion  of the
Series D Preferred  Stock or the exercise of the  Warrants,  only in  accordance
with the  provisions  of  Regulation D under the Act,  pursuant to  registration
under the Act, or pursuant to an available exemption from such registration.

                  4.2      Legends

     Except as set forth in Section 4.5, the Certificates, the Warrants and any
certificate  representing  shares of Common Stock issued upon  conversion of the
Series D Preferred Stock or the exercise of the Warrants before the Registration
Effective Date shall bear in substance

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                                      - 7 -

<PAGE>



the following legend, as determined by the Company's counsel, which legend shall
be removed following the Registration Effective Date:

                  "THESE  SECURITIES HAVE NOT BEEN  REGISTERED  UNDER THE UNITED
                  STATES  SECURITIES  ACT OF 1933, AS AMENDED (THE "ACT").  THEY
                  MAY NOT BE SOLD,  OFFERED FOR SALE, PLEDGED OR HYPOTHECATED IN
                  THE ABSENCE OF A REGISTRATION STATEMENT IN EFFECT WITH RESPECT
                  TO THE  SECURITIES  UNDER  SUCH ACT OR AN  OPINION  OF COUNSEL
                  SATISFACTORY  TO THE  COMPANY  THAT SUCH  REGISTRATION  IS NOT
                  REQUIRED."

                  4.3      Further Restrictions on Transfer

     The Company shall not register any transfer of the Series D Preferred Stock
or any Common Stock issued upon  conversion  of the Series D Preferred  Stock or
the  exercise  of a  Warrant,  not made in  accordance  with the  provisions  of
Regulation D or other  applicable  registration  or exemption under the Act, and
shall not treat as the owner of such  securities,  or otherwise accord voting or
dividend rights to, any transferee to whom such securities have been transferred
in  contravention  of this  Agreement;  provided,  however,  that the  foregoing
provision  shall not apply to the  transfer of any Series D  Preferred  Stock or
Common Stock if the certificates  evidencing such securities bear no restrictive
legend.

                  4.4      Stop Transfer Instructions

     Subject to Section 4.5, stop transfer instructions have been or will be
provided to the Company's  transfer agent to be placed on such transfer  agent's
books,  records or other  documents  evidencing  the Units so as to restrict the
resale,  pledge,  hypothecation or other transfer thereof in accordance with the
provisions hereof and the provisions of Regulation D promulgated under the Act.
                  4.5      Transferability of Common Stock

     At any time after the Registration Effective Date, if the Purchaser 
delivers a Notice of Conversion  (substantially in the form of Exhibit C hereto)
to the  Company,  the  Company  will  issue or cause  to be  issued  one or more
certificates  representing  the  shares of Common  Stock  without a  restrictive
legend upon  conversion  of the Series D  Preferred  Stock into shares of Common
Stock in accordance with Section 6 of the Certificate of Designation authorizing
the Series D Preferred Stock.  The Company warrants that no instructions,  other
than those  instructions  for a stop transfer until the  Registration  Effective
Date,  have been or will be given to the  transfer  agent.  The Company  further
warrants that the shares of Common Stock shall be otherwise freely  transferable
by the  Purchaser  to or for the  account or  benefit  of a U.S.  Person if such
shares  are  registered  under  the Act or an  exemption  from the  registration
requirements of the Act is available.

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                                      - 8 -

<PAGE>



                  4.6      Delivery of Stock Certificates Upon Conversion

     As promptly as practicable on or after receipt of a Notice of Conversion
and in any event within two (2)  business  days  thereafter,  the Company at its
expense  shall  issue  to  the  Purchaser  or  its  nominee  a  certificate   or
certificates  for the  number  of  shares of  Common  Stock  issuable  upon such
conversion  and  deliver  such  certificates   forthwith   thereafter.   If  the
certificates  are not delivered to the Purchaser or its nominee  within five (5)
business days of receipt of the Notice of  Conversion,  the Company will pay the
Purchaser  an amount  equal to $500 per day for each delay above the initial two
(2) business days.

                  4.7      Other Offers of Convertible Securities

     The Company shall be permitted to issue and sell other convertible
securities convertible into Common Stock;  provided,  that the purchaser of such
convertible  securities  shall not be  permitted  to  convert  such  convertible
securities  within the earlier of 120 days of the Closing  Date or 30 days after
the Additional Closing Date.

         5.       CONDITIONS OF PURCHASER'S OBLIGATIONS AT CLOSING AND
ADDITIONAL CLOSING.

    The  obligations  of the  Purchaser  under  Section  1 of this
Agreement are subject to the  fulfillment  on or before the Closing Date and the
Additional Closing Date of each of the following conditions:

                  5.1      Representations and Warranties

    The representations and warranties of the Company contained in Section 2
shall be true in all  material  respects on and as of the  Closing  Date and the
Additional Closing Date with the same effect as though such  representations and
warranties  had  been  made on and as of the  Closing  Date  and the  Additional
Closing Date.

                  5.2      Performance

    The Company shall have, in all material respects, performed and complied
with all agreements, obligations and conditions contained in this Agreement that
are  required to be  performed  or complied  with by it on or before the Closing
Date and the Additional Closing Date.

                  5.3      Qualifications

    All authorizations, approvals or permits, if any, of any governmental
authority  or  regulatory  body of the  United  States or of any state  that are
required in connection with the lawful

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                                      - 9 -

<PAGE>



issuance and sale of the Units pursuant to this Agreement shall be duly obtained
and effective as of the Closing Date and the Additional Closing Date.

                  5.4      Opinion of Counsel

    The Company shall deliver to the Purchaser at the time of Closing an opinion
letter  from  counsel  to the  Company,  to the effect  that (i) the  Company is
incorporated and validly existing under the laws of the State of Delaware;  (ii)
the  issuance  of the Series D  Preferred  Stock and the  issuance of the Common
Stock  upon  conversion  of the  Series D  Preferred  Stock or  exercise  of the
Warrants have been duly  approved by all required  corporate  action;  (iii) the
Series D Preferred  Stock,  upon payment  therefor by Purchaser  and delivery in
accordance  with the terms  hereof,  shall be  validly  issued,  fully  paid and
nonassessable;  (iv) the Common Stock,  upon issuance thereof upon conversion of
the Series D Preferred  Stock or exercise of the Warrant in accordance  with the
terms  thereof,  shall  be  validly  issued  and  outstanding,  fully  paid  and
nonassessable;  (v) the Common Stock  issuable  upon  conversion of the Series D
Preferred Stock or exercise of the Warrant has been reserved for issuance;  (vi)
each of the Agreement,  the Registration Rights Agreement and the Warrant is the
legal, valid, and legally binding obligation of the Company, enforceable against
the Company in accordance with their  respective  terms; and (vii) based in part
upon the representations and warranties of the Company and the Purchaser herein,
the offer and sale of the Series D Preferred  Stock and Common Stock  underlying
the Series D Preferred Stock and the Warrant to the Purchaser is exempt from the
registration  requirements  of the Securities Act. With respect to the foregoing
opinions  concerning  enforcement,  counsel may add such  qualifications  as are
consistent with general practice such as those relating to equitable remedies or
bankruptcy.

                  5.5      Agreements

    The Company shall deliver to the Purchaser at the time of the closing (a) a
Registration  Rights  Agreement  in the form of the attached  hereto  Exhibit D,
executed by the Company,  (b) an Irrevocable  Instructions to Transfer Agent, in
the form  attached  hereto  as  Exhibit  E,  executed  by the  Company,  (c) the
Certificate of Designation certified by the Secretary of State of Delaware,  and
(d) an officer's  certificate  respecting  the matters set forth in Sections 5.1
and 5.2.


         6.       CONDITIONS OF THE COMPANY'S OBLIGATIONS AT CLOSING AND
ADDITIONAL CLOSING

    The  obligations  of the Company to the  Purchaser  under this
Agreement are subject to the fulfillment on or before the Closing and Additional
Closing of each of the following conditions:

                  

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                                     - 10 -

<PAGE>

                  6.1 Representations and Warranties

     The representations and warranties of the Purchaser contained in Section 3
shall be true in all  material  respects on and as of the Closing  with the same
effect as though such  representations and warranties had been made on and as of
the Closing Date.

                  6.2      Payment of Purchase Price

     The Purchaser shall have delivered the Purchase Price and documents
specified in Section 1 to the Closing Agent.

                  6.3      Qualifications

     All authorizations, approvals or permits, if any, of any governmental
authority  or  regulatory  body of the  United  States or of any state  that are
required in connection  with the lawful  issuance and sale of the Units pursuant
to this Agreement shall be duly obtained and effective as of the Closing.

                  6.4      Agreements

     The Purchaser shall deliver to the Company a certificate respecting the
matters set forth in Section 6.1.

         7.       INDEMNIFICATIONS

                  7.1      Indemnification of the Company

     The Purchaser hereby agrees to indemnify the Company and its directors,
officers, employees, agents, representatives and controlling persons (within the
meaning  of that term in  Section  15 of the Act) for,  and to hold each of them
harmless  against,  all  claims,   liabilities,   damages,   costs  or  expenses
(including, without limitation, reasonable attorney's fees and expenses) arising
out  of or in  connection  with  any  breach,  or  any  alleged  breach,  of any
representation or warranty of the Purchaser, or any covenant or agreement of the
Purchaser set forth herein;  provided,  however,  that the Purchaser will not be
liable in any such case for claims, liabilities, damages, costs or expenses that
a court of competent  jurisdiction  shall have found in a final judgment to have
arisen primarily from the gross negligence or willful misconduct of the Company.

     The Company hereby agrees to indemnify the Purchaser for, and to hold the
Purchaser harmless against, all claims, liabilities,  damages, costs or expenses
(including, without limitation, reasonable attorney's fees and expenses) arising
out  of or in  connection  with  any  breach,  or  any  alleged  breach,  of any
representation  or warranty of the Company or any  covenant or  agreement of the
Company set forth herein; provided, however, that the Company will not be liable
in any such case for claims,  liabilities,  damages,  costs or  expenses  that a
court of  competent  jurisdiction  shall have found in a final  judgment to have
arisen  primarily  from  the  gross  negligence  or  willful  misconduct  of the
Purchaser.

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                                     - 11 -

<PAGE>



                  7.2      Indemnification of the Closing Agent

     The Company agrees to indemnify the Closing Agent, its partners, employees,
agents and representatives  for, and to hold each of them harmless against,  all
claims, liabilities,  damages, costs or expenses (including, without limitation,
reasonable  attorney's  fees and expenses)  arising out of or in connection with
the performance of its obligations pursuant to Section 1.3 hereof.


         8.       MISCELLANEOUS

                  8.1      Survival of Representations and Warranties

     The representations and warranties of each party herein shall survive the
Closing, notwithstanding any investigation or inquiry made by the other party.

                  8.2      Notices

     Any notice hereunder to or upon either party hereto shall be deemed to have
been duly given for all purposes if (a) in writing and sent by (i)  messenger or
an overnight  courier service against  receipt,  or (ii) certified or registered
mail,  postage  paid,  return  receipt  requested,  or  (b)  sent  by  telegram,
facsimile,  telex or similar  electronic  means,  provided  that a written  copy
thereof is sent on the same day by postage paid first-class  mail, to such party
at the following address:

                  To Purchaser:      at its address set forth on the signature 
                                     page hereof

                  With a copy to:    [Insert]

                  To the Company at: 18872 MacArthur Boulevard, Suite 300
                                     Irvine, California 92612 U.S.A.
                                     Attn: President
                                     Fax:  (714) 442-4404

                  With a copy to:    Parker Chapin Flattau & Klimpl, LLP
                                     1211 Avenue of the Americas
                                     New York, NY 10036-8735 U.S.A.
                                     Attn: Martin Eric Weisberg, Esq.
                                     Fax:  (212) 704-6288

or such other  address as either party  hereto may at any time,  or from time to
time, direct by notice given to the other party in accordance with this Section.
The date of giving of any such notice shall be, in the case of clause (a)(i) and
the Notice of Conversion, the date of the receipt; in the case of

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                                     - 12 -

<PAGE>



clause (a)(ii),  five business days after such notice or demand is sent; and, in
the case of clause (b), the business day next  following the date such notice is
sent.

                  8.3      Amendment

     Except as otherwise provided herein, no amendment of this Agreement shall
be valid or effective, unless in writing and signing by or on behalf of the 
parties hereto.

                  8.4      Waiver

     No course of dealing or omission or delay on the part of either party
hereto in  asserting or  exercising  any right  hereunder  shall  constitute  or
operate as a waiver of any such right.  No waiver of any provision  hereof shall
be  effective,  unless in writing  and signed by or on behalf of the party to be
charged  therewith.  No waiver shall be deemed a continuing  waiver or waiver in
respect of any other or subsequent breach or default, unless expressly so stated
in writing.
                  8.5      Governing Law

     This Agreement shall be governed by, and interpreted and enforced in
accordance  with, the laws of the State of New York without regard to principles
of choice or conflict of laws.

                  8.6      Jurisdiction

     Each of the parties hereto hereby irrevocably consents and submits to the
jurisdiction of the Supreme Court of the State of New York and the United States
District  Court for the  Southern  District of New York in  connection  with any
suit, action or other proceeding arising out of or relating to this Agreement or
the  transactions  contemplated  hereby,  waives any  objection  to venue in the
County of New York,  State of New York, or such District and agrees that service
of any summons, complaint, notice or other process relating to such suit, action
or other  proceeding may be effected in the manner provided by clause (a)(ii) of
Section 8.2.

                  8.7      Remedies

     In the event of any actual or prospective breach or default by either party
hereto,  the other  party  shall be  entitled  to  equitable  relief,  including
remedies in the nature of rescission,  injunction and specific performance.  All
remedies hereunder are cumulative and not exclusive, and nothing herein shall be
deemed to prohibit  or limit  either  party from  pursuing  any other  remedy or
relief  available at law or in equity for such actual or  prospective  breach or
default, including the recovery of damages.

                  
260805-4                                                                 1/8/98
                                     - 13 -

<PAGE>

                  8.8      Severability


     The provisions hereof are severable, and in the event that any provision of
this Agreement shall be determined to be invalid or unenforceable in any respect
by a court of competent jurisdiction,  the remaining provisions hereof shall not
be affected,  but shall, subject to the discretion of such court, remain in full
force and effect,  and any invalid or  unenforceable  provision shall be deemed,
without further action on the part of the parties hereto, amended and limited to
the extent necessary to render the same valid and enforceable.

                  8.9      Counterparts

          This Agreement may be executed in counterparts, each of which shall be
deemed an original and which together shall constitute one and the same
agreement.

                  8.10     Further Assurances

     Each party hereto covenants and agrees promptly to execute, deliver, file 
or record such agreements, instruments,  certificates and other documents and to
perform  such other and further  acts as the other party  hereto may  reasonably
request or as may otherwise be necessary or proper to consummate and perfect the
transactions contemplated hereby.

                  8.11     Assignment

     This Agreement, and each right, interest and obligation hereunder, may not
be assigned by either  party  hereto  without the prior  written  consent of the
other party hereto,  and any purported  assignment without such consent shall be
void and without effect.

                  8.12     Binding Effect

     This Agreement shall be binding upon and inure to the benefit of the
parties  hereto and their  respective  successors  and permitted  assigns.  This
Agreement  is not  intended,  and shall not be  deemed,  to create or confer any
right or interest for the benefit of any person not a party hereto.

                  8.13     Titles and Captions

     The titles and captions of the Articles and Sections of this Agreement are
for convenience of reference only, and do not in any way define or interpret the
intent of the  parties  or  modify or  otherwise  affect  any of the  provisions
hereof.


260805-4                                                                1/8/98
                                     - 14 -

<PAGE>



                  8.14     Grammatical Conventions

     Whenever the context so requires, each pronoun or verb used herein shall be
construed in the singular or the plural sense, and each capitalized term defined
herein  and each  pronoun  used  herein  shall be  construed  in the  masculine,
feminine or neuter sense.

                  8.15     No Presumptions

     Each party hereto acknowledges that it has participated, with the advice of
counsel,  in the preparation of this  Agreement.  No party hereto is entitled to
any presumption  with respect to the  interpretation  of any provision hereof or
the resolution of any alleged ambiguity herein based on any claim that the other
party hereto drafted or controlled the drafting of this Agreement.

                  8.16     Incorporation by Reference

     The Exhibits hereto are an integral part of this Agreement and are
incorporated in their entirety herein by this reference.


     IN WITNESS  WHEREOF,  the Company and the Purchaser,  by their
respective  duly authorized  officers,  have duly executed this Agreement on the
date set forth in the Preamble hereto.

                                     STARBASE CORPORATION

                                     By:_________________________________
                                           Name:
                                           Title:

Number of Units Purchased: ________    PURCHASER:

Purchase Price:  $_____________        _____________________________________
                                           [Name]

                                        Address of Purchaser:


Name and address of Nominee (if any):

                                

Address for Notices (if different):





260805-4                                                               1/8/98
                                     - 15 -

<PAGE>



                                    EXHIBIT A

                           CERTIFICATE OF DESIGNATION



260805-4                                                               1/8/98
                                     - 16 -

<PAGE>



                                    EXHIBIT B

                                 FORM OF WARRANT


260805-4                                                        1/8/98
                                     - 17 -

<PAGE>



                                    EXHIBIT C

                              NOTICE OF CONVERSION


                                                _______________ ___, 19__



StarBase Corporation                     American Stock Transfer & Trust Company
18872 MacArthur Boulevard, Suite 300     40 Wall Street
Irvine, California 92612                 New York, New York 10005
Attn.: Finance Department                Attn.: Herbert Lemmer

Parker Chapin Flattau & Klimpl, LLP
1211 Avenue of the Americas
New York, New York 10036
Attn.: Martin Eric Weisberg, Esq.


         The  undersigned,  ________________  (the "Holder") hereby gives notice
that it wishes to convert  _____________ shares of Series D Preferred Stock (the
"Shares") of StarBase  Corporation  (the "Issuer") held by it into the number of
shares of Common Stock of the Issuer stated below,  which have been reserved for
issuance upon such conversion.

         Number of shares of Common Stock to be issued: ________________

         In accordance with the Irrevocable Instructions to Transfer Agent dated
January  __,  1998,  please  issue the Shares  within two (2)  business  days of
receipt of this Notice of Conversion as follows:

                           Name:            ___________________
                           Address:         ___________________
                                            ___________________

                           Deliver to:      ___________________
                                            

                                            [Holder]



                                            By: _____________________________
                                                  Name:
                                                  Title:


260805-4                                                                 1/8/98
                                     - 18 -

<PAGE>



                                    EXHIBIT D

                          REGISTRATION RIGHTS AGREEMENT



260805-4                                                              1/8/98
                                     - 19 -

<PAGE>


                                    EXHIBIT E

               FORM OF IRREVOCABLE INSTRUCTIONS TO TRANSFER AGENT


260805-4                                                               1/8/98
                                     - 20 -

<PAGE>


                     ---------------------------------------

                           CERTIFICATE OF DESIGNATION
                                       OF
                              STARBASE CORPORATION

                     Pursuant to Section 151 of the General
                    Corporation Law of the State of Delaware

                     ---------------------------------------

                            SERIES E PREFERRED STOCK


         StarBase  Corporation,  a  Delaware  corporation  (the  "Corporation"),
hereby  certifies  that the  following  resolution  has been duly adopted by the
Board of Directors of the Corporation:

         RESOLVED,  that  pursuant  to the  authority  expressly  granted to and
vested  in the  Board of  Directors  of the  Corporation  (the  "Board")  by the
provisions of the Restated  Certificate of Incorporation of the Corporation (the
"Certificate of Incorporation"),  there hereby is created, out of the 10,000,000
shares of  Preferred  Stock,  par  value  $0.01 per  share,  of the  Corporation
authorized in Article 4 of the  Certificate  of  Incorporation  (the  "Preferred
Stock"),  a series  of the  Preferred  Stock of the  Corporation  consisting  of
1,600,000 shares,  which series shall have the following  powers,  designations,
preferences  and relative,  participating,  optional and other  rights,  and the
following qualifications, limitations and restrictions:

         1.  DESIGNATION  AND AMOUNT.  This series of  Preferred  Stock shall be
designated  "Series  E  Preferred  Stock"  and the  authorized  number of shares
constituting  such  series  shall be  1,600,000.  The par value of the  Series E
Preferred Stock shall be $0.01 per share.

         2.  DIVIDEND  RIGHTS OF SERIES E  PREFERRED  STOCK.  The holders of the
Series E Preferred Stock shall not be entitled to receive any dividends.

         3.       PREFERENCE ON LIQUIDATION.

                  (a) In the event of any liquidation,  dissolution,  or winding
up of the  Corporation,  either  voluntary or involuntary,  distributions to the
stockholders of the Corporation shall be made in the following manner:

                           (i)  The holders of Series E Preferred Stock shall be
entitled to receive,  prior and in preference to any distribution of any of
the assets or surplus  funds to the holders of the  Corporation's  common stock,
par value $0.01 per share (the  "Common  Stock") or any other class or series of
stock of this  Corporation by reason of their ownership of such stock, an amount
for each share of Series E  Preferred  Stock then held by them,  equal to $1.25,
appropriately

259701-2                                                              1/8/98
                                       -1-

<PAGE>



adjusted for any  combinations,  consolidations,  stock  distributions  or stock
dividends  with  respect to such shares  plus all  accrued and unpaid  dividends
thereon  (hereinafter  such  amount  shall  be  referred  to as  the  "Series  E
Preference   Amount").   If  upon  occurrence  of  such  event  of  liquidation,
dissolution  or winding  up, the assets and  property  legally  available  to be
distributed  among  the  holders  of the  Series  E  Preferred  Stock  shall  be
insufficient  to permit the payment to such  holders of the Series E  Preference
Amount, then the entire assets and property of the Corporation legally available
for distribution shall be distributed  ratably among the holders of the Series E
Preferred Stock together with the holders of any other series of Preferred Stock
ranking on parity with the Series E Preferred Stock.

                           (ii)     After payment has been made to the holders
of the Series E Preferred  Stock of the full amounts to which they shall be
entitled pursuant to paragraph 3(a)(i) above, all remaining assets available for
distribution,  if any,  shall be  distributed,  ratably among the holders of the
Common Stock based upon the number of shares of Common Stock then held.

                  (b)  For   purposes   of  this   paragraph   3,  a  merger  or
consolidation  of  the  Corporation  with  or  into  any  other  corporation  or
corporations,  or the merger of any other  corporation or corporations  into the
Corporation,   in  which   consolidation  or  merger  the  shareholders  of  the
Corporation  receive  distributions in cash or securities of another corporation
or corporations as a result of such consolidation or merger, or a sale of all or
substantially  all of the  assets  of the  Corporation,  shall be  treated  as a
liquidation,  dissolution or winding up of the Corporation. The valuation of any
securities or other property other than cash received by the  Corporation in any
transaction  covered by this  subparagraph  3(b) shall be  computed  at the fair
value thereof at the time of receipt as determined in good faith by the Board of
Directors.

                  (c) The  holders  of Series E  Preferred  Stock  shall have no
priority or preference with respect to distributions  made by the Corporation in
connection  with the  repurchase  of shares of Common Stock issued to or held by
employees,  directors or consultants  upon  termination  of their  employment or
services  pursuant  to  agreements  providing  for the right of said  repurchase
between the Corporation and such persons.

         4. VOTING RIGHTS.  Except as otherwise  provided by law, the holders of
the  Series E  Preferred  Stock  shall not be  entitled  to vote upon any matter
relating to the business or affairs of the Corporation or for any other purpose.

         5.  CONVERSION  RIGHTS.  The holders of Series E Preferred  Stock shall
have conversion rights as follows:

                  (a)  Each  share  of  Series  E   Preferred   Stock  shall  be
convertible,  at the option of the holder thereof, at any time after the date of
issuance of such share,  at the office of the  Corporation or any transfer agent
for the Series E  Preferred  Stock,  into Common  Stock as more fully  described
below.  The number of shares of fully paid and  nonassessable  Common Stock into
which  each  share  of  Series  E  Preferred  Stock  may be  converted  shall be
determined by dividing

259701-2                                                              1/8/98
                                       -2-

<PAGE>



$1.25 by the Conversion Price (as hereinafter  defined) in effect at the time of
conversion.  The Series E Conversion Price shall initially be $1.25,  subject to
adjustment as provided in Section 6 below (the "Conversion Price").

                  (b) Each share of Series E Preferred Stock shall automatically
be converted into shares of Common Stock utilizing the then effective Conversion
Price for each such share upon the first to occur of the following  events:  (i)
the closing of an  acquisition  of the Company by another  entity or the sale of
all or  substantially  all of the assets of the  Company;  (ii) the closing of a
public  and/or  private  offering of the Company's  securities  which results in
gross proceeds to the Company of at least US$5,000,000; (iii) if the closing bid
price of the Company's Common Stock as reported on the Nasdaq SmallCap Market or
such other exchange or automated  quotation system on which the trading price of
the  Company"s  Common  Stock is  reported  on a daily  basis  averages at least
$US5.00  for a  period  of 20  consecutive  trading  days;  or (iv)  the  second
anniversary of the date of issuance.

                  (c) No fractional  shares of Common Stock shall be issued upon
conversion  of Series E Preferred  Stock.  In lieu of any  fractional  shares to
which the holder would  otherwise be entitled,  the  Corporation  shall pay cash
equal to such  fraction  multiplied by the fair market value of the Common Stock
on the Conversion Date, as determined by the  Corporation's  board of directors.
Before any holder of Series E  Preferred  Stock shall be entitled to convert the
same  into  full  shares  of  Common  Stock,  the  holder  shall  surrender  the
certificate  or  certificates  therefor,  duly  endorsed,  at the  office of the
Corporation or of any transfer agent for the Series E Preferred Stock, and shall
give written notice to the  Corporation at such office that he elects to convert
the  same;  provided,  however,  that in the  event of an  automatic  conversion
pursuant to subparagraph  5(b) the outstanding  shares of all Series E Preferred
Stock,  shall be  converted  automatically  without  any  further  action by the
holders of such shares and  whether or not the  certificates  representing  such
shares are  surrendered  to the  Corporation  or its  transfer  agent;  provided
further,  however,  that  the  Corporation  shall  not  be  obligated  to  issue
certificates  evidencing the shares of Common Stock issuable upon such automatic
conversion  unless either the  certificates  evidencing  such shares of Series E
Preferred  Stock are  delivered  to the  Corporation  or its  transfer  agent as
provided  above,  or the holder  notifies the  Corporation or its transfer agent
that such  certificates  have been lost,  stolen or  destroyed  and  executes an
agreement  satisfactory to the Corporation to indemnify the Corporation from any
loss incurred by it in connection with such certificates.

                  (d) The Corporation  shall, as soon as practicable  after such
delivery, or after such agreement and indemnification, issue and deliver at such
office to such holder of Series E Preferred Stock, a certificate or certificates
for the  number  of  shares of  Common  Stock to which he shall be  entitled  as
aforesaid and a check payable to the holder, or order, in the amount of any cash
amounts payable as the result of a conversion  into fractional  shares of Common
Stock,  and a  certificate  for any  shares of Series E  Preferred  Stock not so
converted.  Such conversion shall be deemed to have been made immediately  prior
to the close of business on the date of such surrender of the shares of Series E
Preferred Stock to be converted, or in the case of automatic

259701-2                                                                 1/8/98
                                       -3-

<PAGE>



conversion on the date of the event causing such automatic  conversion,  and the
person or persons  entitled to receive the shares of Common Stock  issuable upon
such  conversion  shall be treated  for all  purposes  as the  record  holder or
holders of such shares of Common Stock on such date.

                  (e) In the event of any taking by this Corporation of a record
of the holders of any class of  securities  for the purpose of  determining  the
holders  thereof who are  entitled to receive  any  dividend  (other than a cash
dividend)  or other  distribution,  any  right to  subscribe  for,  purchase  or
otherwise  acquire any shares of stock of any class or any other  securities  or
property,  or to receive any other right,  this  Corporation  shall mail to each
holder of Series E Preferred Stock, at least 20 days prior to the date specified
therein,  a notice  specifying  the date on which any such record is to be taken
for the  purpose of such  dividend,  distribution  or right,  and the amount and
character of such dividend, distribution or right.

                  (f) Upon any  conversion of Series E Preferred  Stock pursuant
to this paragraph 5, the shares of Series E Preferred  Stock which are converted
shall not be reissued.  Upon conversion of all of the then outstanding  Series E
Preferred  Stock  pursuant to this paragraph 5 and upon the taking of any action
required by law, all matters set forth in this Certificate of Designation  shall
be  eliminated  from  the  Certificate  of  Incorporation,  shares  of  Series E
Preferred Stock shall not be deemed  outstanding for any purpose  whatsoever and
all such shares shall revert to the status of authorized and unissued  shares of
Preferred Stock.

                  (g) Any notices required by the provisions of this paragraph 5
to be given to the holders of shares of Series E Preferred Stock shall be deemed
given if deposited in the United States mail,  first class,  postage prepaid and
addressed to each holder of record at its address  appearing on the books of the
Corporation.

         6.       ADJUSTMENTS TO CONVERSION PRICE.

                  (a) In the event the  Corporation  at any time or from time to
time effects a subdivision or combination of its outstanding Common Stock into a
greater or lesser number of shares  without a  proportionate  and  corresponding
subdivision or combination of its outstanding Series E Preferred Stock, then and
in each  such  event  the  Conversion  Price  shall be  decreased  or  increased
proportionately.

                  (b) In the event the  Corporation  at any time or from time to
time shall make or issue, or fix a record date for the  determination of holders
of Common Stock entitled to receive, a dividend or other distribution payable in
additional  shares of Common Stock or other  securities  or rights  (hereinafter
referred to as "Common  Stock  Equivalents")  convertible  into or entitling the
holder thereof to receive  additional  shares of Common Stock without payment of
any  consideration  by such  holder for such  Common  Stock  Equivalents  or the
additional  shares of Common  Stock,  then and in each  such  event the  maximum
number of shares (as set forth in the instrument relating thereto without regard
to any provisions contained therein for a subsequent  adjustment of such number)
of Common Stock issuable in payment of such dividend or

259701-2                                                                 1/8/98
                                       -4-

<PAGE>



distribution  or upon  conversion  or exercise of such Common Stock  Equivalents
shall be deemed to be issued and outstanding as of the time of such issuance or,
in the  event  such a record  date  shall  have  been  fixed,  as of the dose of
business on such record date. In each such event,  the Conversion Price shall be
proportionately  decreased as of the time of such issuance or, in the event such
a record date shall have been fixed,  as of the close of business on such record
date.

                  (c) In case of any  merger  (other  than a merger in which the
Corporation is not the continuing or surviving  entity) or any  reclassification
of the Common  Stock of the  Corporation,  each share of the Series E  Preferred
Stock shall  thereafter  be  convertible  into that number of shares of stock or
other securities or property to which a holder of the number of shares of Common
Stock  issuable  upon  conversion  of  a  share  of  Series  E  Preferred  Stock
immediately  prior to such merger or  reclassification  would have been entitled
upon such merger or reclassification.  In any such case,  appropriate adjustment
(as  determined by the Board in good faith) shall be made in the  application of
the  provisions  herein  set forth with  respect  to the  rights  and  interests
thereafter of the holders of Series E Preferred Stock,  such that the provisions
set forth herein shall thereafter be applicable, as nearly as reasonably may be,
in relation to any share of stock or other  property  thereafter  issuable  upon
conversion.

                  (d) The  Corporation  shall  at all  times  reserve  and  keep
available  out of its  authorized  but  unissued  Common  Stock,  solely for the
purpose of effecting the conversion of Series E Preferred Stock, the full number
of  shares of Common  Stock  deliverable  upon the  conversion  of all  Series E
Preferred Stock from time to time  outstanding.  The Corporation shall from time
to   time   (subject   to   obtaining   necessary   director   and   stockholder
authorizations),  in accordance with the laws of the State of Delaware, increase
the authorized  amount of its Common Stock if at any time the authorized  number
of shares of Common Stock  remaining  unissued shall not be sufficient to permit
the  conversion  of all of the  shares of Series E  Preferred  Stock at the time
outstanding.

         7. RANKING.  The Series E Preferred Stock shall, with respect to rights
on liquidation, winding up and dissolution, (i) rank senior to any of the Common
Stock and any other  class or  series of stock of the  Corporation  which by its
terms shall rank junior to the Series E Preferred Stock, (ii) rank junior to any
other class or series of stock of the Corporation  which by its terms shall rank
senior to the Series E  Preferred  Stock,  and (iii)  rank on a parity  with any
other class or series of stock of the Corporation  which by its terms shall rank
on a parity  with the Series E  Preferred  Stock.  No approval of the holders of
Series E Preferred Stock shall be required for the  authorization or issuance of
any shares of any class or series of stock of the  Corporation,  whether ranking
senior to, junior to or on a parity with the Series E Preferred Stock.

259701-2                                                                1/8/98
                                       -5-

<PAGE>



         IN WITNESS  WHEREOF,  the  Corporation  has caused this  Certificate of
Designation to be signed by its Chief Executive Officer, and attested by its 
Secretary,  this 8th day of January, 1998.


                                               StarBase Corporation


                                               By: /S/ WILLIAM R. STOW, III
                                                   -------------------------
                                                   William R. Stow, III
                                                   Chief Executive Officer

Attest:

By: /S/ DOUGLAS S. NORMAN
    ----------------------
    Douglas S. Norman
    Assistant Secretary


259701-2                                                            1/8/98
                                       -6-

<PAGE>

                                                                      ANNEX VI

THIS  WARRANT AND THE COMMON  STOCK TO BE ISSUED UPON  EXERCISE OF THIS  WARRANT
THIS WARRANT  HAVE NOT BEEN  REGISTERED  UNDER THE  SECURITIES  ACT OF 1933,  AS
AMENDED (THE "ACT") AND MAY NOT BE TRANSFERRED  UNLESS REGISTERED UNDER THE ACT,
OR PURSUANT TO AN AVAILABLE EXEMPTION FROM REGISTRATION.

NO. 1998-CMN-XXX

                              STARBASE CORPORATION

                  NONTRANSFERABLE COMMON STOCK PURCHASE WARRANT

                  1.   ISSUANCE.   In   consideration   of  good  and   valuable
consideration,   the  receipt  of  which  is  hereby  acknowledged  by  StarBase
Corporation,  a  Delaware  corporation  (the  "Company")   _________________  or
registered assigns (the "Holder") is hereby granted the right to purchase at any
time  until 5:00 P.M.,  New York City time,  on January , 2000 (the  "Expiration
Date"),  _________________  (___________) fully paid and nonassessable shares of
the Company's  Common Stock, par value $.01 per share (the "Common Stock") at an
initial  exercise price of $1.80 per share through the first  anniversary of the
date of issuance,  and $2.00 per share  thereafter  through the Expiration  Date
(the "Exercise Price"),  subject to further adjustment as set forth in Section 6
hereof.

                  2. EXERCISE OF WARRANTS.  This Warrant is exercisable in whole
or in part at the Exercise  Price per share of Common Stock  payable  hereunder,
payable in cash or by certified or official bank check.  Upon  surrender of this
Warrant  Certificate  with the annexed  Notice of Exercise  Form duly  executed,
together  with  payment of the  Exercise  Price for the  shares of Common  Stock
purchased, the Holder shall be entitled to receive a certificate or certificates
for the shares of Common Stock so purchased.

                  3.  RESERVATION  OF SHARES.  The Company hereby agrees that at
all times during the term of this  Warrant  there shall be reserved for issuance
upon exercise of this Warrant such number of shares of its Common Stock as shall
be required for issuance upon exercise of this Warrant (the "Warrant Shares").

                  4. MUTILATION OR LOSS OF WARRANT.  Upon receipt by the Company
of evidence satisfactory to it of the loss, theft,  destruction or mutilation of
this  Warrant,  and (in the  case of  loss,  theft or  destruction)  receipt  of
reasonably  satisfactory  indemnification,  and (in the case of mutilation) upon
surrender and cancellation of this Warrant, the Company will execute and deliver
a new  Warrant of like tenor and date and any such lost,  stolen,  destroyed  or
mutilated Warrant shall thereupon become void.


260117-1                                                                  1/8/98
                                       -1-

<PAGE>



                  5.  RIGHTS  OF THE  HOLDER.  The  Holder  shall  not by virtue
hereof, be entitled to any rights of a stockholder in the Company, either at law
or equity,  and the rights of the Holder are limited to those  expressed in this
Warrant and are not  enforceable  against  the Company  except to the extent set
forth herein.

                  6.       PROTECTION AGAINST DILUTION.

                  (a)  ADJUSTMENT  MECHANISM.  If an  adjustment of the Exercise
Price is required  pursuant to this  Section 6, the Holder  shall be entitled to
purchase such number of additional  shares of Common Stock as will cause (i) the
total  number of shares of Common  Stock  the  Holder is  entitled  to  purchase
pursuant to this  Warrant,  multiplied by (ii) the adjusted  purchase  price per
share,  to equal (iii) the dollar amount of the total number of shares of Common
Stock the Holder is entitled to purchase  before  adjustment  multiplied  by the
total purchase price before adjustment.

                  (b) CAPITAL ADJUSTMENTS. In case of any stock split or reverse
stock   split,   stock   dividend,   reclassification   of  the  Common   Stock,
recapitalization,  merger or consolidation, or like capital adjustment affecting
the Common  Stock of the  Company,  the  provisions  of this  Section 6 shall be
applied as if such capital  adjustment event had occurred  immediately  prior to
the date of this  Warrant  and the  original  purchase  price  had  been  fairly
allocated  to the stock  resulting  from such capital  adjustment;  and in other
respects the  provisions of this Section  shall be applied in a fair,  equitable
and reasonable manner so as to give effect, as nearly as may be, to the purposes
hereof.  A rights offering to  stockholders  shall be deemed a stock dividend to
the extent of the bargain purchase element of the rights.

                  (c) PRICE  ADJUSTMENT If the 20 day average close price of the
Common Stock, as reported by Bloomberg, LP, is not at least $2.50 one year after
issuance date, then the Exercise Price will be reduced 50%.

                  7. TRANSFER TO COMPLY WITH THE  SECURITIES  ACT;  REGISTRATION
RIGHTS.

                  (a) This Warrant may not be assigned or  transferred  in whole
or in part.  This Warrant has not been  registered  under the  Securities Act of
1933, as amended (the "Act"),  and has been issued to the Holder for  investment
and not with a view to the  distribution  of either the  Warrant or the  Warrant
Shares.  Neither the Warrant  Shares nor any other  security  issued or issuable
upon exercise of this Warrant may be sold, transferred,  pledged or hypothecated
in the absence of an effective  registration statement under the Act relating to
such  security  or an opinion of counsel  satisfactory  to the  Company  and the
registration  is not required under the Act. Each  certificate  for the Warrant,
the Warrant  Shares and any other  security  issued or issuable upon exercise of
this  Warrant  shall  contain  the  following  legend  on the face  thereof,  as
determined by counsel for the Company:

         THESE SHARES HAVE NOT BEEN REGISTERED UNDER THE UNITED
         STATES SECURITIES ACT OF 1933, AS AMENDED, AND MAY NOT BE

260117-1                                                    1/8/98
                                       -2-

<PAGE>



         SOLD,  OFFERED FOR SALE,  PLEDGED OR  HYPOTHECATED  IN THE ABSENCE OF A
         REGISTRATION  STATEMENT IN EFFECT WITH RESPECT TO THE SECURITIES  UNDER
         SUCH ACT OR AN OPINION OF COUNSEL SATISFACTORY TO THE COMPANY THAT SUCH
         REGISTRATION IS NOT REQUIRED.


                  (b) The Company agrees to file a registration statement, which
shall include the Warrant  Shares,  on Form S-3 (or any  successor  form to Form
S-3) (the  "Registration  Statement"),  pursuant to the terms of a  Registration
Rights Agreement between the Company and the Holder dated January ___, 1998.

                  8.  NOTICES.  Any notice or other  communication  required  or
permitted  hereunder  shall be in  writing  and shall be  delivered  personally,
telegraphed,  telexed,  sent by  facsimile  transmission  or sent by  certified,
registered or express mail,  postage  pre-paid.  Any such notice shall be deemed
given when so delivered  personally,  telegraphed,  telexed or sent by facsimile
transmission,  or, if  mailed,  two days after the date of deposit in the United
States mails, as follows:

                           (i)      if to the Company, to:

                                    StarBase Corporation
                                    18872 McArthur Road, Suite 300
                                    Irvine, California 92612
                                    Attn: Chief Financial Officer

                           (ii)     if to the Holder, to:






Any party may be  notice  given in  accordance  with this  Section  to the other
parties designate another address or person for receipt of notices hereunder.

                  9. SUPPLEMENTS AND AMENDMENTS;  WHOLE AGREEMENT.  This Warrant
may be amended or  supplemented  only by an instrument in writing  signed by the
parties   hereto.   This  Warrant  of  even  date  herewith   contain  the  full
understanding  of the parties  hereto with respect to the subject  matter hereof
and  thereof  and  there  are  no  representations,  warranties,  agreements  or
understandings other than expressly contained herein and therein.

                  10.  GOVERNING  LAW.  This  Warrant  shall be  governed by and
construed  in  accordance  with the laws of the State of New  York.  Each of the
parties consents to the jurisdiction

260117-1                                                             1/8/98
                                       -3-

<PAGE>



of the federal courts whose districts encompass any part of the City of New York
or the state  courts of the State of New York sitting in the City of New York in
connection with any dispute  arising under this Agreement and hereby waives,  to
the maximum  extent  permitted by law, any  objection,  including  any objection
based ON FORUM NON  COVENIENS,  to the bringing of any such  proceeding  in such
jurisdictions.

                  11.  COUNTERPARTS.  This Warrant may be executed in any number
of counterparts and each of such  counterparts  shall for all purposes be deemed
to be an original,  and all such counterparts shall together  constitute but one
and the same instrument.

                  12. DESCRIPTIVE HEADINGS.  Descriptive headings of the several
Sections of this Warrant are inserted for convenience only and shall not control
or affect the meaning or construction of any of the provisions hereof.

                  IN WITNESS  WHEREOF,  the parties  hereto have  executed  this
Warrant as of the ___th day of January ____, 1998.


                                          STARBASE CORPORATION


                                          By:
                                          Its

Attest:




Assistant Secretary


260117-1                                                                1/8/98
                                       -4-

<PAGE>


                          NOTICE OF EXERCISE OF WARRANT


         (1) The undersigned  hereby  irrevocably  elects to exercise the right,
represented by the Warrant Certificate dated as of ___________,  to purchase ___
shares of the Common Stock,  par value $.01 per share,  of StarBase  Corporation
and tenders  herewith  payment in accordance with Section 1 of said Common Stock
Purchase Warrant.


         (2) In exercising  this Warrant,  the  undersigned  hereby confirms and
acknowledges  that the shares of Common stock are being acquired  solely for the
account of the  undersigned  and not as a nominee for any other  party,  and for
investment, and that the undersigned will not offer sell or otherwise dispose of
any such shares of Common Stock, except under circumstances that will not result
in a violation of the United States  Securities Act of 1933, as amended,  or any
foreign otr state securities laws.

         (3) Please issue a certificate or certificates representing said shares
of  Common  Stock in the name of the  undersigned  or is such  other  name as is
specified below.

         (4)  Please  issue a new  Warrant  for the  unexercised  portion of the
attached Warrant in the name of the undersigned.


Dated:



By:


260117-1                                                              1/8/98
                                       -5-

<PAGE>



                                                                      ANNEX IV

                          REGISTRATION RIGHTS AGREEMENT

                  THIS REGISTRATION  RIGHTS  AGREEMENT,  dated as of January __,
1998 (this "Agreement"), is made by and between STARBASE CORPORATION, a Delaware
corporation (the  "Company"),  and the entity named on the signature page hereto
(the "Initial Investor").

                                               W I T N E S S E T H:

                  WHEREAS,  upon the terms and subject to the  conditions of the
Securities Purchase Agreement, dated as of January __, 1998, between the Initial
Investor and the Company (the "Securities Purchase Agreement"),  the Company has
agreed to issue and sell to the Initial  Investor one or more Series E Preferred
Stock  of  the  Company,  in an  aggregate  principal  amount  not  exceeding  $
(collectively, the "Preferred Stock"), which Preferred Stock will be convertible
into shares of the common  stock,  $.01 par value (the "Common  Stock"),  of the
Company (the  "Conversion  Shares") upon the terms and subject to the conditions
of the  Certificate  of  Designation  (as  defined  in the  Securities  Purchase
Agreement),  and  warrants  to  purchase  up to  shares  of  Common  Stock  (the
"Warrants"),  which Warrants will be exercisable for shares of Common Stock (the
"Warrant Shares"); and

                  WHEREAS, to induce the Initial Investor to execute and deliver
the Securities  Purchase  Agreement,  the Company has agreed to provide  certain
registration rights under the Securities Act of 1933, as amended,  and the rules
and regulations thereunder, or any similar successor statute (collectively,  the
"Securities Act"), with respect to the Conversion Shares and Warrant Shares;

                  NOW,  THEREFORE,  in  consideration  of the  premises  and the
mutual covenants contained herein and other good and valuable consideration, the
receipt and  sufficiency of which are hereby  acknowledged,  the Company and the
Initial Investor hereby agrees as follows:

                  1.       DEFINITIONS.

                  (a) As used in this Agreement,  the following terms shall have
the following meanings:

                  (i)  "Investor"  means the Initial  Investor and any permitted
transferee  or assignee  who agrees to become  bound by the  provisions  of this
Agreement in accordance with Section 9 hereof.

                  (ii) "Register,"  "Registered," and "Registration"  refer to a
registration  effected  by  preparing  and filing a  Registration  Statement  or
Statements in compliance  with the Securities Act and pursuant to Rule 415 under
the Securities Act or any successor rule providing for

260116-1                                                                 1/8/98
                                       -1-

<PAGE>



offering  securities on a continuous  basis ("Rule 415"), and the declaration or
ordering of  effectiveness of such  Registration  Statement by the United States
Securities and Exchange Commission (the "SEC").

                  (iii) "Registrable Securities" means the Conversion Shares and
the Warrant Shares.

                  (iv) "Registration  Statement" means a registration  statement
of the Company under the Securities Act.

                  (b)  Capitalized  terms used herein and not otherwise  defined
herein shall have the respective  meanings set forth in the Securities  Purchase
Agreement.

                  2.       REGISTRATION.

                  (A) MANDATORY REGISTRATION. The Company shall prepare and file
with the SEC a Registration  Statement on Form S-3 registering for resale by the
Investor a sufficient number of shares of Common Stock for the Initial Investors
(or such lesser  number as may be required by the SEC, but in no event less than
the number of shares into which the Preferred Stock would be convertible and the
Warrants  exercisable  at the time of filing of the Form S-3, or an amendment to
any pending Company  Registration  Statement on Form S-3, and such  Registration
Statement or amended Registration Statement shall state that, in accordance with
Rule 416 and 457 under the  Securities  Act, it also  covers such  indeterminate
number  of  additional  shares  of  Common  Stock as may  become  issuable  upon
conversion  of the  Preferred  Stock and the exercise of the Warrants  resulting
from adjustment in the Conversion  Price, or to prevent dilution  resulting from
stock  splits,  or  stock  dividends),  which  Registration  Statement  shall be
declared effective no later than 120 days after the Closing Date. If at any time
the  number of shares of Common  Stock  into  which the  Preferred  Stock may be
converted   exceeds  the  aggregate  number  of  shares  of  Common  Stock  then
registered,  the Company shall, within ten (10) business days after receipt of a
written notice from any Investor,  either (i) amend the  Registration  Statement
filed by the Company pursuant to the preceding  sentence,  if such  Registration
Statement has not been  declared  effective by the SEC at that time, to register
all shares of Common Stock into which the Preferred  Stock may be converted,  or
(ii) if such  Registration  Statement has been declared  effective by the SEC at
that time, file with the SEC an additional Registration Statement on Form S-3 to
register  the  shares of Common  Stock  into  which the  Preferred  Stock may be
converted  that exceed the  aggregate  number of shares of Common Stock  already
registered.


                  (B)      PAYMENTS BY THE COMPANY.

                           If the Registration Statement covering the
Registrable Securities required to be filed by the Company pursuant to Section
2(a) hereof is not effective by one hundred

260116-1                                                                  1/8/98
                                       -2-

<PAGE>



twenty (120) days following the initial  Closing Date (the  "Required  Effective
Date")  (except as provided  by the last  sentence  of Section  2(a)),  then the
Company will make  payments to the Initial  Investor in such amounts and at such
times as shall be  determined  pursuant to this Section  2(b).  The amount to be
paid by the  Company to the  Initial  Investor  shall be  determined  as of each
Computation  Date,  and such  amount  shall be equal to one (1%)  percent of the
purchase  price  paid by the  Initial  Investor  for all  Preferred  Stock  then
purchased and outstanding  pursuant to the Securities Purchase Agreement for any
period from the Required  Effective Date to the first Computation Date, two (2%)
percent to the next  Computation Date and three (3%) percent to each Computation
Date thereafter,  until the Registration  Statement is declared effective by the
SEC (the  "Periodic  Amount").  The full  Periodic  Amount  shall be paid by the
Company in  immediately  available  funds within three  business days after each
Computation  Date.  Notwithstanding  the foregoing,  the amounts  payable by the
Company  pursuant to this provision shall not be payable to the extent any delay
in the effectiveness of the Registration  Statement occurs because of an act of,
or a failure to act or to act timely by the  Initial  Investor or its counsel or
the SEC, or in the event all of the Registrable  Securities may be sold pursuant
to Rule 144 or another available exemption under the Act.

                  As used in this Section 2(b),  the following  terms shall have
the following meanings:

                  "Computation  Date"  means the date which is thirty  (30) days
after the Required  Effective  Date (except as provided by the last  sentence of
Section 2(a)),  and, if the Registration  Statement  required to be filed by the
Company pursuant to Section 2(a) has not theretofore been declared  effective by
the SEC, each date which is thirty (30) days after the previous Computation Date
(pro rated for partial periods) until such Registration Statement is so declared
effective.

                  3.  OBLIGATIONS  OF  THE  COMPANY.   In  connection  with  the
registration  of the  Registrable  Securities,  the Company shall do each of the
following.

                  (a)  Prepare  promptly  and file with the SEC, a  Registration
Statement  with  respect to not less than the number of  Registrable  Securities
provided in Section 2(a),  above, and thereafter use its reasonable best efforts
to cause each  Registration  Statement  relating to  Registrable  Securities  to
become  effective one hundred twenty (120) days after the Closing Date, and keep
the  Registration  Statement  effective  at all times  until the  earliest  (the
"Registration Period") of (i) the date that is four years after the Closing Date
(ii) the date when the Investors may sell all Registrable  Securities under Rule
144 or  (iii)  the date  the  Investors  no  longer  own any of the  Registrable
Securities,   which   Registration   Statement   (including  any  amendments  or
supplements  thereto and prospectuses  contained  therein) shall not contain any
untrue statement of a material fact or omit to state a material fact required to
be stated therein or necessary to make the statements  therein,  in light of the
circumstances in which they were made, not misleading;


260116-1                                                          1/8/98
                                       -3-

<PAGE>



                  (b) Prepare and file with the SEC such  amendments  (including
post-effective amendments) and supplements to the Registration Statement and the
prospectus  used  in  connection  with  the  Registration  Statement  as  may be
necessary  to  keep  the   Registration   effective  at  all  times  during  the
Registration  Period,  and,  during the  Registration  Period,  comply  with the
provisions  of  the  Securities  Act  with  respect  to the  disposition  of all
Registrable  Securities  of the Company  covered by the  Registration  Statement
until such time as all of such  Registrable  Securities have been disposed of in
accordance  with the intended  methods of  disposition  by the seller or sellers
thereof as set forth in the Registration Statement;

                  (c)  The  Company  shall  permit  a  single  firm  of  counsel
designated by the Initial Investors to review the Registration Statement and all
amendments and  supplements  thereto a reasonable  period of time prior to their
filing with the SEC.

                  (d) Furnish to each Investor whose Registrable  Securities are
included in the Registration  Statement and its legal counsel  identified to the
Company, (i) promptly after the same is prepared and publicly distributed, filed
with the SEC,  or  received  by the  Company,  one (1) copy of the  Registration
Statement,  each  preliminary  prospectus and prospectus,  and each amendment or
supplement  thereto,  and (ii) such  number of copies of a  prospectus,  and all
amendments and supplements  thereto and such other  documents,  as such Investor
may reasonably request in order to facilitate the disposition of the Registrable
Securities owned by such Investor;

                  (e) As promptly as  practicable  after  becoming aware of such
event,  notify each  Investor of the happening of any event of which the Company
has knowledge,  as a result of which the prospectus included in the Registration
Statement, as then in effect, includes an untrue statement of a material fact or
omits 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,  and use its best efforts promptly to prepare a supplement
or amendment to the Registration  Statement or other appropriate filing with the
SEC to correct such untrue statement or omission, and deliver a number of copies
of such supplement or amendment to each Investor as such Investor may reasonably
request;

                  (f) As promptly as  practicable  after  becoming aware of such
event, notify each Investor who holds Registrable  Securities being sold (or, in
the  event  of an  underwritten  offering,  the  managing  underwriters)  of the
issuance by the SEC of a Notice of  Effectiveness or any notice of effectiveness
or any stop order or other  suspension of the  effectiveness of the Registration
Statement at the earliest possible time;

                  (g) Use its  reasonable  efforts to secure  designation of all
the Registrable  Securities covered by the Registration  Statement as a National
Association of Securities Dealers Automated  Quotations System ("NASDAQ") "Small
Capitalization"  within  the  meaning  of  Rule  11Aa2-1  of the SEC  under  the
Securities  Exchange  Act of 1934,  as amended  (the  "Exchange  Act"),  and the
quotation of the Registrable Securities on the NASDAQ SmallCap Market; or if,

260116-1                                                         1/8/98
                                       -4-

<PAGE>



despite the Company's  reasonable  efforts to satisfy the preceding clause,  the
Company  is  unsuccessful  in doing  so,  to secure  NASDAQ/OTC  Bulletin  Board
authorization  and  quotation  for  such  Registrable  Securities  and,  without
limiting the  generality  of the  foregoing,  to arrange for at least two market
makers to register with the National  Association  of Securities  Dealers,  Inc.
("NASD") as such with respect to such Registrable Securities;

                  (h)  Provide a transfer  agent and  registrar,  which may be a
single entity, for the Registrable  Securities not later than the effective date
of the Registration Statement;

                  (i)  Cooperate   with  the  Investors  who  hold   Registrable
Securities  being offered to facilitate the timely  preparation  and delivery of
certificates  for the  Registrable  Securities  to be  offered  pursuant  to the
Registration   Statement  and  enable  such  certificates  for  the  Registrable
Securities  to be in such  denominations  or  amounts as the case may be, as the
Investors may reasonably  request,  and,  within three (3) business days after a
Registration   Statement  which  includes  Registrable   Securities  is  ordered
effective by the SEC, the Company shall  deliver,  and shall cause legal counsel
selected by the Company to deliver,  to the transfer  agent for the  Registrable
Securities  (with  copies to the  Investors  whose  Registrable  Securities  are
included in such Registration  Statement) an appropriate instruction and opinion
of such counsel; and

                  (j) Take all other  reasonable  actions  necessary to expedite
and  facilitate  disposition  by  the  Investor  of the  Registrable  Securities
pursuant to the Registration Statement.

                  4.  OBLIGATIONS  OF THE  INVESTORS.  In  connection  with  the
registration  of the  Registrable  Securities,  the  Investors  shall  have  the
following obligations:

                  (a) It shall be a condition  precedent to the  obligations  of
the Company to complete the registration pursuant to this Agreement with respect
to the Registrable  Securities of a particular Investor that such Investor shall
furnish to the  Company  such  information  regarding  itself,  the  Registrable
Securities held by it, and the intended method of disposition of the Registrable
Securities  held  by  it,  as  shall  be  reasonably   required  to  effect  the
registration of such Registrable  Securities and shall execute such documents in
connection  with such  registration  as the Company may reasonably  request.  At
least  five  (5)  days  prior  to  the  first  anticipated  filing  date  of the
Registration   Statement,   the  Company  shall  notify  each  Investor  of  the
information  the  Company  requires  from each  such  Investor  (the  "Requested
Information") if such Investor elects to have any of such Investor's Registrable
Securities included in the Registration  Statement. If at least two (2) business
days  prior to the  filing  date the  Company  has not  received  the  Requested
Information from an Investor (a "Non-Responsive Investor"), then the Company may
file the Registration Statement without including Registrable Securities of such
Non-Responsive Investor;

                  (b)  Each  Investor  by  such  Investor's  acceptance  of  the
Registrable  Securities  agrees to  cooperate  with the  Company  as  reasonably
requested by the Company in connection

260116-1                                                                1/8/98
                                       -5-

<PAGE>



with the preparation and filing of the Registration Statement hereunder,  unless
such Investor has notified the Company in writing of such Investor's election to
exclude all of such  Investor's  Registrable  Securities  from the  Registration
Statement; and

                  (c) Each Investor agrees that, upon receipt of any notice from
the Company of the happening of any event of the kind  described in Section 3(e)
or 3(f),  above,  such  Investor will  immediately  discontinue  disposition  of
Registrable  Securities  pursuant to the  Registration  Statement  covering such
Registrable  Securities  until  such  Investor's  receipt  of the  copies of the
supplemented or amended prospectus  contemplated by Section 3(e) or 3(f) and, if
so directed by the Company,  such Investor  shall deliver to the Company (at the
expense of the Company) or destroy (and deliver to the Company a certificate  of
destruction)  all  copies  in  such  Investor's  possession,  of the  prospectus
covering  such  Registrable  Securities  current  at the time of receipt of such
notice.

                  5. EXPENSES OF REGISTRATION.  All reasonable  expenses,  other
than  underwriting   discounts  and  commissions  incurred  in  connection  with
registrations,  filings or qualifications  pursuant to Section 3, but including,
without limitation, all registration, listing, and qualifications fees, printers
and  accounting  fees,  the fees and  disbursements  of counsel for the Company,
shall be borne by the Company.

                  6.  INDEMNIFICATION.  In the event any Registrable  Securities
are included in a Registration Statement under this Agreement:

                  (a) To the extent permitted by law, the Company will indemnify
and hold  harmless  each  Investor who holds such  Registrable  Securities,  the
directors,  if any, of such  Investor,  the officers,  if any, of such Investor,
each  person,  if any,  who  controls  any  Investor  within the  meaning of the
Securities  Act  or  the  Exchange  Act  (each,  an   "Indemnified   Person"  or
"Indemnified  Party"),  against  any losses,  claims,  damages,  liabilities  or
expenses (joint or several)  incurred  (collectively,  "Claims") to which any of
them may become subject under the Securities Act, the Exchange Act or otherwise,
insofar  as such  Claims  (or  actions  or  proceedings,  whether  commenced  or
threatened,  in  respect  thereof)  arise  out of or are  based  upon any of the
following statements,  omissions or violations in the Registration Statement, or
any post-effective  amendment thereof, or any prospectus  included therein:  (i)
any untrue statement or alleged untrue statement of a material fact contained in
the  Registration  Statement  or any  post-effective  amendment  thereof  or the
omission or alleged  omission to state  therein a material  fact  required to be
stated therein or necessary to make the statements therein not misleading,  (ii)
any untrue statement or alleged untrue statement of a material fact contained in
the final  prospectus  (as amended or  supplemented,  if the  Company  files any
amendment thereof or supplement thereto with the SEC) or the omission or alleged
omission to state  therein any material  fact  necessary to make the  statements
made therein,  in light of the circumstances  under which the statements therein
were made,  not  misleading or (iii) any  violation or alleged  violation by the
Company of the Securities Act, the Exchange Act, any state securities law or any
rule or  regulation  under the  Securities  Act,  the  Exchange Act or any state
securities law (the matters in the foregoing clauses

260116-1                                                                1/8/98
                                       -6-

<PAGE>



(i) through (iii) being, collectively,  "Violations").  Subject to clause (b) of
this Section 6, the Company  shall  reimburse  the  Investors,  promptly as such
expenses  are  incurred  and are due and  payable,  for any legal  fees or other
reasonable  expenses  incurred  by  them in  connection  with  investigating  or
defending  any such Claim.  Notwithstanding  anything to the contrary  contained
herein, the  indemnification  agreement contained in this Section 6(a) shall not
(I) apply to a Claim  arising out of or based upon a Violation  which  occurs in
reliance upon and in  conformity  with  information  furnished in writing to the
Company  by or on  behalf  of  any  Indemnified  Person  expressly  for  use  in
connection  with  the  preparation  of the  Registration  Statement  or any such
amendment  thereof or supplement  thereto,  (II) be available to the extent such
Claim is based on a failure of the  Investor to deliver or cause to be delivered
the prospectus made available by the Company;  or (III) apply to amounts paid in
settlement of any Claim if such settlement is effected without the prior written
consent of the Company, which consent shall not be unreasonably  withheld.  Each
Investor  will  indemnify  the Company and its  officers,  directors  and agents
against  any claims  arising out of or based upon a  Violation  which  occurs in
reliance upon and in  conformity  with  information  furnished in writing to the
Company, by or on behalf of such Investor,  expressly for use in connection with
the preparation of the Registration  Statement,  subject to such limitations and
conditions as are applicable to the  Indemnification  provided by the Company to
this Section 6. Such indemnity shall remain in full force and effect  regardless
of any  investigation  made by or on behalf of the Indemnified  Person and shall
survive the transfer of the Registrable  Securities by the Investors pursuant to
Section 9.

                  (b)  Promptly  after  receipt  by  an  Indemnified  Person  or
Indemnified  Party  under this  Section 6 of notice of the  commencement  of any
action  (including  any  governmental   action),   such  Indemnified  Person  or
Indemnified Party shall, if a Claim in respect thereof is to be made against any
indemnifying  party under this  Section 6, deliver to the  indemnifying  party a
written notice of the commencement thereof and the indemnifying party shall have
the right to  participate  in,  and,  to the  extent the  indemnifying  party so
desires,  jointly with any other indemnifying party similarly noticed, to assume
control  of the  defense  thereof  with  counsel  mutually  satisfactory  to the
indemnifying  party and the Indemnified  Person or the Indemnified Party, as the
case may be. In case any such action is brought against any  Indemnified  Person
or Indemnified Party, and it notifies the indemnifying party of the commencement
thereof,  the indemnifying party will be entitled to participate in, and, to the
extent that it may wish,  jointly with any other  indemnifying  party  similarly
notified,  assume the defense thereof,  subject to the provisions  herein stated
and after  notice  from the  indemnifying  party to such  Indemnified  Person or
Indemnified  Party  of its  election  so to  assume  the  defense  thereof,  the
indemnifying  party will not be liable to such Indemnified Person or Indemnified
Party  under  this  Section  6 for any legal or other  reasonable  out-of-pocket
expenses  subsequently  incurred by such Indemnified Person or Indemnified Party
in  connection  with  the  defense  thereof  other  than  reasonable   costs  of
investigation,  unless the indemnifying party shall not pursue the action of its
final  conclusion.  The Indemnified  Person or Indemnified  Party shall have the
right to employ  separate  counsel in any such action and to  participate in the
defense  thereof,  but the fees and  reasonable  out-of-pocket  expenses of such
counsel  shall  not  be  at  the  expense  of  the  indemnifying  party  if  the
indemnifying party has assumed the defense of the action with counsel reasonably
satisfactory to

260116-1                                                                1/8/98
                                       -7-

<PAGE>



the  Indemnified  Person or Indemnified  Party.  The failure to deliver  written
notice to the indemnifying party within a reasonable time of the commencement of
any such action shall not relieve such  indemnifying  party of any  liability to
the Indemnified  Person or Indemnified Party under this Section 6, except to the
extent that the  indemnifying  party is prejudiced in its ability to defend such
action. The indemnification required by this Section 6 shall be made by periodic
payments  of the  amount  thereof  during  the  course of the  investigation  or
defense,  as such expense,  loss, damage or liability is incurred and is due and
payable.

                  7.  CONTRIBUTION.  To the  extent  any  indemnification  by an
indemnifying  party is  prohibited  or limited by law,  the  indemnifying  party
agrees to make the maximum contribution with respect to any amounts for which it
would  otherwise be liable under  Section 6 to the fullest  extent  permitted by
law;  PROVIDED,   HOWEVER,   that  (a)  no  contribution  shall  be  made  under
circumstances  where the maker  would not have been  liable for  indemnification
under the fault  standards set forth in Section 6; (b) no seller of  Registrable
Securities guilty of fraudulent misrepresentation (within the meaning of Section
11(f) of the Securities Act) shall be entitled to  contribution  from any seller
of   Registrable   Securities   who  was   not   guilty   of   such   fraudulent
misrepresentation;  and (c) contribution by any seller of Registrable Securities
shall be limited in amount to the net amount of proceeds received by such seller
from the sale of such Registrable Securities.

                  8. REPORTS UNDER EXCHANGE ACT. With a view to making available
to the Investors the benefits of Rule 144  promulgated  under the Securities Act
or any other  similar rule or  regulation of the SEC that may at any time permit
the  Investors  to  sell  securities  of  the  Company  to  the  public  without
registration ("Rule 144"), the Company agrees to:

                  (a) make and keep public information available, as those terms
are understood and defined in Rule 144;

                  (b) file with the SEC in a timely manner all reports and other
documents required of the Company under the Securities Act and the Exchange Act;
and

                  (c)  furnish to each  Investor so long as such  Investor  owns
Registrable  Securities,  promptly upon request,  (i) a written statement by the
Company that it has complied  with the reporting  requirements  of Rule 144, the
Securities  Act and the Exchange  Act,  (ii) a copy of the most recent annual or
quarterly report of the Company and such other reports and documents so filed by
the Company and (iii) such other  information as may be reasonably  requested to
permit  the  Investors  to sell such  securities  pursuant  to Rule 144  without
registration.

                  9. ASSIGNMENT OF THE REGISTRATION  RIGHTS.  The rights to have
the Company register Registrable  Securities pursuant to this Agreement shall be
automatically  assigned by the Investors to any  transferee  of the  Registrable
Securities  (or all or any shares of  Preferred  Stock of the  Company  which is
convertible  into such  securities)  only if: (a) the Investor agrees in writing
with the  transferee  or  assignee  to assign  such  rights,  and a copy of such
agreement is furnished to

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                                       -8-

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the Company within a reasonable time after such assignment,  (b) the Company is,
within a  reasonable  time after such  transfer or  assignment,  furnished  with
written  notice of (i) the name and address of such  transferee  or assignee and
(ii) the  securities  with respect to which such  registration  rights are being
transferred or assigned,  (c) immediately  following such transfer or assignment
the further  disposition  of such  securities  by the  transferee or assignee is
restricted  under the Securities Act and applicable  state  securities laws, and
(d) at or before the time the Company  received the written notice  contemplated
by clause (b) of this sentence the transferee or assignee agrees in writing with
the Company to be bound by all of the provisions  contained herein. In the event
of any delay in filing  or  effectiveness  of the  Registration  Statement  as a
result of such  assignment,  the  Company  shall not be liable  for any  damages
arising from such delay, or the payments set forth in Section 2(c) hereof.

                  10.  AMENDMENT OF REGISTRATION  RIGHTS.  Any provision of this
Agreement  may be  amended  and the  observance  thereof  may be waived  (either
generally   or  in  a   particular   instance   and  either   retroactively   or
prospectively),  only with the written  consent of the Company and Investors who
hold an  eighty  (80%)  percent  interest  of the  Registrable  Securities.  Any
amendment or waiver effected in accordance with this Section 10 shall be binding
upon each Investor and the Company.

                  11.      MISCELLANEOUS.

                  (a) A person or entity is deemed to be a holder of Registrable
Securities  whenever  such  person or entity  owns of  record  such  Registrable
Securities.  If  the  Company  receives  conflicting  instructions,  notices  or
elections  from  two or more  persons  or  entities  with  respect  to the  same
Registrable  Securities,  the Company shall act upon the basis of  instructions,
notice  or  election  received  from the  registered  owner of such  Registrable
Securities.

                  (b) Notices  required or permitted to be given hereunder shall
be in  writing  and shall be deemed to be  sufficiently  given  when  personally
delivered  (by hand,  by courier,  by  telephone  line  facsimile  transmission,
receipt  confirmed,  or other means) or sent by certified  mail,  return receipt
requested,  properly  addressed and with proper  postage  pre-paid (i) if to the
Company,  STARBASE  CORPORATION,  18872 MacArthur Boulevard,  Suite 300, Irvine,
California  92612,  ATTN:  President,  with a copy to  Parker  Chapin  Flattau &
Klimpl, LLP, 1211 Avenue of the Americas, New York, New York 10036, ATTN: Martin
Eric Weisberg,  Esq.; (ii) if to the Initial Investor,  at the address set forth
under its name in the Securities Purchase  Agreement,  and (iii) if to any other
Investor, at such address as such Investor shall have provided in writing to the
Company,  or at such other address as each such party  furnishes by notice given
in accordance with this Section 11(b),  and shall be effective,  when personally
delivered,  upon receipt and, when so sent by certified  mail, four (4) calendar
days after deposit with the United States Postal Service.


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                                       -9-

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                  (c) Failure of any party to exercise any right or remedy under
this  Agreement or otherwise,  or delay by a party in  exercising  such right or
remedy, shall not operate as a waiver thereof.

                  (d) This  Agreement  shall be governed by and  interpreted  in
accordance with the laws of the State of New York. Each of the parties  consents
to the jurisdiction of the federal courts whose districts  encompass any part of
the City of New York or the state courts of the State of New York sitting in the
City of New York in connection with any dispute arising under this Agreement and
hereby waives, to the maximum extent permitted by law, any objection,  including
any  objection  based  on  FORUM  NON  COVENIENS,  to the  bringing  of any such
proceeding  in such  jurisdictions.  A  facsimile  transmission  of this  signed
Agreement shall be legal and binding on all parties  hereto.  This Agreement may
be  signed  in one or more  counterparts,  each of  which  shall  be  deemed  an
original.  The headings of this  Agreement are for  convenience of reference and
shall not form part of, or affect the interpretation of, this Agreement.  If any
provision  of  this  Agreement  shall  be  invalid  or   unenforceable   in  any
jurisdiction,  such invalidity or unenforceability shall not affect the validity
or  enforceability  of the  remainder  of  this  Agreement  or the  validity  or
enforceability of this Agreement in any other  jurisdiction.  This Agreement may
be amended only by an  instrument  in writing  signed by the party to be charged
with   enforcement.   This  Agreement   supersedes  all  prior   agreements  and
understandings  among the  parties  hereto with  respect to the  subject  matter
hereof.

                  (e) This Agreement  constitutes the entire agreement among the
parties  hereto  with  respect  to  the  subject  matter  hereof.  There  are no
restrictions,  promises, warranties or undertakings,  other than those set forth
or  referred to herein.  This  Agreement  supersedes  all prior  agreements  and
understandings  among the  parties  hereto with  respect to the  subject  matter
hereof.

                  (f)  Subject to the  requirements  of  Section 9 hereof,  this
Agreement  shall inure to the benefit of and be binding upon the  successors and
assigns of each of the parties hereto.

                  (g) All  pronouns  and any  variations  thereof  refer  to the
masculine, feminine or neuter, singular or plural, as the context may require.

                  (h) The  headings in this  Agreement  are for  convenience  of
reference only and shall not limit or otherwise affect the meaning thereof.

                  (i)  This   Agreement   may  be   executed   in  two  or  more
counterparts,  each of which shall be deemed an original  but all of which shall
constitute one and the same agreement. This Agreement, once executed by a party,
may be  delivered  to  the  other  party  hereto  by  telephone  line  facsimile
transmission  of a copy of this Agreement  bearing the signature of the party so
delivering this Agreement.

                  (j) Neither party shall be liable for consequential damages.

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                                      -10-

<PAGE>





                  IN WITNESS WHEREOF,  the parties have caused this Agreement to
be duly executed by their  respective  officers  thereunto duly authorized as of
the day and year first above written.

                                            STARBASE CORPORATION


                                            By:
                                            Name:
                                            Title:

                                            [                              ]


                                            By:
                                            Name:
                                            Title:

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                                      -11-

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