IMMECOR                             SHARE PURCHASE AGREEMENT
California  Residents:  If your  purchase  is for more than  $2,500
you will  need to sign the  representation  at the  bottom of this
Share Purchase Agreement!
o:       Immecor Corporation
         100~105 Professional Center Drive
         Rohnert Park,  CA 94928
         (707) 585-3036

         I have received and had an  opportunity to read the Prospectus by which
the shares are offered. I represent that I am purchasing for investment.

Signature: ___________________________________________________________
Date: _____________

Enclosed is payment for  ____________ shares  (minimum 100)  at  $5.25 per
share, totaling   $ _____________

         Register the shares in the following name(s) and amount(s):

Name(s): ____________________________________________
Number of shares: ________________

As (check one):   / / Individual      / / Joint Tenants   / / Trust
/ / Tenants in Common      / / Corporation
                 / / Other   ___________________

For the person(s) who will be registered shareowner(s):

Mailing Address: _____________________________________________________________

City, State & Zip Code: ________________________________________________________
Telephone Numbers:         Business: (      )____________________
                         Home:  (      )______________________

Social Security or Taxpayer ID Number: _________________________________________

                            (Please  attach  any  special  mailing  instructions
other than those shown above.)

                                       No Share Purchase  Agreement Is Effective
                     Until  Acceptance (You will be mailed a signed and numbered
                     copy of this agreement to retain for your records.)

Share Purchase Agreement accepted by Immecor Corporation:


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 Heinot H. Hintereder, President & CEO                Date


[If your  purchase is for more than  $2,500:] I (we) have at least the following
minimum  income  and net worth  (You may  include  income and net worth for both
spouses.  "Net worth"  includes  individual  retirement  plans and other assets,
valued at not more than fair market value,  and excludes home, home  furnishings
and  automobiles):  A minimum net worth of at least  $75,000  and minimum  gross
income of $50,000 during the current tax year; or, in the alternative, a minimum
net worth of $150,000.  In either case, the amount of this  investment  does not
exceed 10 percent of my (our) net worth.


- -----------------------------------------           ----------------------------
Signature                                             Date