SELECT THERAPEUTICS INC
10SB12G, 1999-09-16
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                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549


                                   FORM 10-SB


                   GENERAL FORM FOR REGISTRATION OF SECURITIES
                            OF SMALL BUSINESS ISSUERS
        Under Section 12(b) or (g) of the Securities Exchange Act of 1934


                            SELECT THERAPEUTICS INC.
                 (Name of Small Business Issuer in its charter)


          Delaware                                         98-0169105
(State or other jurisdiction of                          (I.R.S. Employer
incorporation or organization)                         Identification No.)

124 Mt. Auburn Street, Suite 200 North
Cambridge, Massachusetts                                     02138
(Address of principal executive offices)                 (Zip Code)

Issuer's telephone number: 617-520-6693

Securities to be registered under Section 12(b) of the Act: N/A

     Title of each class                      Name of each exchange on which
     to be so registered                      each class is to be registered

         N/A                                              N/A

Securities to be registered under Section 12(g) of the Act:

                                  Common Stock
                                (Title of Class)


<PAGE>


                 INFORMATION REQUIRED IN REGISTRATION STATEMENT

     THIS REGISTRATION  STATEMENT ON FORM 10-SB,  INCLUDING  WITHOUT  LIMITATION
ITEM 1, BUSINESS,  AND ITEM 2,  MANAGEMENT'S  DISCUSSION AND ANALYSIS OR PLAN OF
OPERATION,   CONTAINS   STATEMENTS  WHICH  ARE  NOT  HISTORICAL  FACTS  AND  ARE
FORWARD-LOOKING  STATEMENTS WHICH REFLECT MANAGEMENT'S  EXPECTATIONS,  ESTIMATES
AND ASSUMPTIONS.  SUCH STATEMENTS ARE BASED ON INFORMATION AVAILABLE AT THE TIME
THIS FORM 10-SB WAS  PREPARED  AND INVOLVE  RISKS AND  UNCERTAINTIES  THAT COULD
CAUSE  FUTURE  RESULTS,  PERFORMANCE  OR  ACHIEVEMENTS  OF THE COMPANY TO DIFFER
SIGNIFICANTLY FROM PROJECTED RESULTS. FACTORS THAT COULD CAUSE ACTUAL RESULTS TO
DIFFER MATERIALLY INCLUDE, WITHOUT LIMITATION,  THE HIGH COST AND UNCERTAINTY OF
THE RESEARCH AND DEVELOPMENT OF PHARMACEUTICAL PRODUCTS, THE UNPREDICTABILITY OF
THE DURATION AND RESULTS OF THE U.S.  FOOD AND DRUG  ADMINISTRATION'S  REVIEW OF
NEW DRUG APPLICATIONS, THE COMPANY'S INABILITY TO OBTAIN ADDITIONAL CAPITAL, THE
POSSIBLE IMPAIRMENT OF, OR INABILITY TO OBTAIN, INTELLECTUAL PROPERTY RIGHTS AND
THE  COST OF  OBTAINING  SUCH  RIGHTS  FROM  THIRD  PARTIES  AND  THE  COMPANY'S
DEPENDENCE  ON THIRD  PARTIES TO  RESEARCH,  DEVELOP,  MANUFACTURE  AND SELL ITS
PRODUCTS, IF ANY.

                                     PART I

Item 1. Business.

A.   Business Development.

     Select  Therapeutics  Inc. (the "Company") was incorporated in the State of
Delaware in January 1997 under the name VT  Development,  Inc. In July 1997,  it
changed  its name to  Select  Therapeutics  Inc.  The  Company,  which is in the
development  stage,  conducts business directly and through Select  Therapeutics
(Canada) Inc., its wholly-owned  Canadian subsidiary organized in December 1996,
and Sierra Diagnostics, Inc. ("Sierra"), a California corporation it acquired in
November 1998. Unless the context otherwise requires,  Select Therapeutics Inc.,
Select Therapeutics (Canada) Inc. and Sierra are referred to collectively herein
as the "Company".  The Company's  principal  place of business is 124 Mt. Auburn
Street,  Suite 200 North,  Cambridge,  Massachusetts  02138,  and its  telephone
number is 617-520-6693.

     The Company's Common Stock is currently listed on the NASDAQ Bulletin Board
under the symbol "SLPU".


                                       -2-

<PAGE>


B.   Business of the Company.

Summary Description of the Company's Business.

     The  Company  was formed to  acquire  the  rights to  selected  early-stage
compounds which have potential use as therapeutic or diagnostic pharmaceuticals.
The  Company's  business  model is to obtain by  license  the right to  develop,
manufacture and market  potentially  useful  early-stage  products,  i.e., those
compounds which have undergone little, if any, preclinical testing which are the
subject of  pending  United  States  "composition  of  matter"  or "use"  patent
applications  which have been filed or the Company  intends to file. The Company
typically  bears the  expense of patent  prosecution  and may sponsor and direct
some preclinical and clinical testing.  However,  to avoid the substantial costs
and huge risks associated with commercialization, the Company may sublicense the
manufacturing and marketing rights to portfolio  pharmaceutical  products to one
or more corporate partners in exchange for license fees,  milestone payments and
royalty payments.  Depending on its financial capability, the Company may retain
rights to its portfolio pharmaceutical products and develop the products itself.
The Company or its  sublicensee  would submit to the FDA a New Drug  Application
("NDA") to obtain the FDA's clearance to market the drug. The Company's business
model thus  provides the  opportunity  to maximize  return on  investment  while
controlling costs and risks. However, there can be no assurance that the Company
will be able to successfully  develop any  pharmaceutical  products  directly or
indirectly through sublicensees (assuming it is able to obtain sublicensees,  as
to which no  assurance  can be  given).  The  Company's  portfolio  consists  of
compounds in the  research  and  development  stage which may  ultimately  prove
useful in the treatment of infectious  diseases and certain types of cancer.  It
also has a portfolio of diagnostic products.

     In addition,  as a result of the  Company's  November 1998  acquisition  of
Sierra,  the  Company  operates  an  FDA-approved   manufacturing   facility  of
approximately  7,606  square  feet  located  in  Sonora,  California,  where  it
manufactures its "Gonostat"  in-vitro diagnostic for the detection of gonorrhea,
which  received  marketing  clearance  from the US Food and Drug  Administration
("FDA") in June 1998.  The  Company's  sole  Gonostat  customer  is the  Alabama
Department of Health, which in November 1998 contracted with the Company to fill
its on-going requirements.  See "Item 2. Management's Discussion and Analysis of
Financial Condition and Results of Operations--Program Review"

     The Company,  through  Sierra,  also has developed and filed a U.S.  patent
application  claiming a new technology for the  preservation of nucleic acids in
diversified body fluids, which would solve a common problem of molecular testing
systems by  maintaining  the integrity of a sample from the time it is taken out
of the body until the time it is analyzed.  This technology protects DNA and RNA
from degradation in urine,  serum,  plasma,  and tissues for up to eight days at
temperatures up to 37 degrees Celsius,  and thus allows samples to be stored and
transported at room temperature and tested in batches.  The Company is not aware
of any other technology for the  stabilization of nucleic acids in urine.  Sales
of evaluation quantities of "DNA/RNA Protect" started in July 1999. See "Item 2.
Management's  Discussion  and  Analysis of  Financial  Condition  and Results of
Operations--Program Review"


                                       -3-

<PAGE>


     The Company has been, and for the  foreseeable  future likely will continue
to be,  dependent  on the proceeds of  securities  offerings to meet its working
capital requirements,  and its inability to successfully complete such offerings
could have a material adverse effect on its business and prospects.  The Company
intends to use the net  proceeds of its  offerings  primarily to pay the license
fees,  milestone payments and patent prosecution  expenses due under its license
agreements,  to fund preclinical and clinical research,  including production of
clinical trial  materials,  and for working  capital.  There can be no assurance
that the  Company  will be able to obtain all or any  portion  of the  financing
sought or that it will successfully  develop any pharmaceutical  formulations or
become profitable.

Technology Licenses

     1.   Verotoxin/Neoplasia

     Licensed  Technology.  In  December  1996,  the Company  obtained  from The
University of Toronto  Innovations  Foundation  ("IF") the exclusive,  worldwide
license (the "Verotoxin License"), with the right to grant sublicenses, to make,
use and sell any  verotoxin  pharmaceutical  composition  for the  treatment  of
neoplasia (a tumorous condition)  described in the inventions claimed in certain
Canadian and United  States patent  applications  and any  improvements  therein
(collectively,  the "Licensed Verotoxin Technology"). The Company is responsible
for all expenses of filing,  prosecuting  and  maintaining any patents or patent
applications issued or filed under the Verotoxin License,  and it has a right of
first refusal on any improvements made by IF. If the Company chooses to exercise
such right, it will be obligated to pay all expenses  associated with the filing
and  prosecution  of patent  applications,  selection  of counsel,  countries of
filing and the like.  In the event that the Company has not achieved  commercial
sales by  December  31,  2005,  IF has the option of  converting  the  exclusive
Verotoxin  License  to  a  non-exclusive  license  or,  if  the  Company  cannot
demonstrate   reasonable   due  diligence   towards   commercial   exploitation,
terminating the Verotoxin License.

     Verotoxin is a naturally  occurring  protein produced by certain strains of
E. coli bacteria  which binds to specific  receptor  sites found on the exterior
surfaces of certain  living cells,  including  certain types of malignant  tumor
cells, epithelial intestinal cells of humans, certain dividing endothelial cells
and certain  lymphocytes.  The verotoxin  molecule,  after  binding  itself to a
receptive  cell,  penetrates  the cell and kills it.  Preliminary,  pre-clinical
studies  suggest that the receptor to which  verotoxin  binds itself is found on
the exterior surfaces of cells which constitute  cancerous ovarian,  testicular,
cervical, breast and astrocytoma tumors of the brain. Preliminary, pre- clinical
testing of the effects of  verotoxin  on  astrocytoma  tumors  implanted in live
"nude"  mice has  suggested  that the  molecule  may  inhibit the growth of such
tumors and cause them to regress,  in some cases  completely,  over a short time
period and not reoccur.

     This same  research  suggests  that the receptor to which  verotoxin  binds
itself is not found on the  surface of most  healthy,  non-tumorous  cells which
form human tissue. Should this be established by further testing and studies, it
would indicate that verotoxin, if used as a cancer


                                       -4-

<PAGE>



chemotherapy  agent, would tend not to cause many of the side effects associated
with or attributable to currently  administered  chemotherapies,  which are less
target-specific,  i.e.,  the cell receptors to which they bind are found on more
types of non-tumorous cells. The Company therefore believes that development and
commercial  exploitation of the subject molecule,  as to the success of which no
assurances  can be  given,  may lead to a drug  formulation  which  will  attack
certain malignant tumors while producing fewer or less severe  manifestations of
the side effects caused by many chemotherapies currently administered. See "Item
2.  Management's  Discussion and Analysis of Financial  Condition and Results of
Operations--Program Review"

     Licensing Fee. The Company paid a non-refundable  licensing fee of $210,000
(CDN) in cash and shares of its Common Stock.  (Throughout  this  document,  all
amounts are stated in U.S. dollars unless otherwise indicated).

     Milestones. The Verotoxin License Agreement requires the Company to achieve
certain  results  and to  expend  minimum  amounts  of  money  in  developing  a
commercially marketable formulation of the Licensed Verotoxin Technology. In the
event that one or more  milestones are not timely attained in any given calendar
year,  the Company must pay an annual penalty of $50,000 (CDN) in calendar years
2003, 2004 and 2005. The $50,000 annual penalty is credited to future  royalties
in excess of annual minimum royalties.  The Company believes it is in compliance
with the milestone requirements of the agreement.

     Royalties.  The Company will pay to IF a royalty equal to four (4%) percent
of its net  sales  of all  verotoxin  products  used in the  treatment  of human
tumors;  provided,  however, that in the event that the Company licenses another
royalty  bearing  product  for  inclusion  in its  verotoxin  products  and  the
aggregate royalties payable by the Company on the final product are greater than
six (6%)  percent,  then the  royalty  due to IF shall be  reduced to three (3%)
percent.  Prior to the date of the  first  commercial  sale of a  pharmaceutical
product containing the Licensed Verotoxin Technology, the parties will negotiate
annual minimum  royalties to be paid by the Company,  taking into account market
size,  competitive  position  and  patent  issues,  in order to  provide IF with
continuing assurance of the Company's diligence toward exploitation.  (A minimum
annual royalty is payable even if earned  royalties,  i.e.,  royalties  computed
based on actual net sales for the year,  do not equal the amount of the  minimum
royalty.) The amount of the Company's  minimum  annual  royalty has not yet been
determined.

     Sublicensing Fees. The Company shall pay to IF 30% to 40% of any sublicense
fees it receives from an unaffiliated sublicensee.


                                       -5-

<PAGE>


     Sponsored  Research  Agreement.  As  additional   consideration  under  the
Verotoxin  License,  the Company  entered into a Sponsored  Research  Agreement,
effective December 1996, (the "Verotoxin Research  Agreement") with the Hospital
for Sick Children  Research  Institute (the "Research  Institute") and Dr. C. A.
Lingwood, a director of the Company. Under the Verotoxin Research Agreement, the
Company agreed to provide the Research Institute with $87,075 (CDN) of financial
support for a research program,  the final installment of which,  $19,575 (CDN),
was due  August 1,  1999 and has not yet been  paid.  See "Item 2.  Management's
Discussion    and   Analysis   of   Financial    Condition    and   Results   of
Operations--Program Review"

     All intellectual property arising out of or in connection with the research
program,  whether  or not  patentable,  will  be the  property  of the  Research
Institute.  Each  intellectual  property  invention  which is  disclosed  to the
Research Institute,  shall be disclosed to the Company,  which will have 30 days
to determine whether to support the filing of a patent application.  If after 30
days the  Company  elects  not to  sponsor a patent  application,  the  Research
Institute may file a patent application at its own expense and the Company shall
have no rights in that  application  or any  subsequent  patent  issued for that
invention.  For each patent  invention  that the Company  sponsors  the Research
Institute  grants the  Company a  non-assignable  option to obtain an  exclusive
license to make, use and sell products  incorporating  any patent inventions and
an exclusive  worldwide license,  with rights to sublicense,  on any improvement
encompassed by a patent  invention.  These licenses are subject to the terms and
conditions of the  Technology  Owner's  Agreement  between Dr.  Lingwood and the
University  of Toronto  Innovations  Foundation,  dated March 10, 1994,  and the
Verotoxin  Research  Agreement.  This license option shall be exercisable  until
either the Company or the Research  Institute  terminates the Verotoxin Research
Agreement, or ninety days following the expiration of such Agreement,  whichever
is earlier. The term of the Verotoxin Research Agreement expires 12 months after
its effective  date,  unless  earlier  terminated by the default of the Research
Institute or the default or bankruptcy of the Company or the  unavailability  of
Dr.  Lingwood.  It may be renewed by the Company for subsequent 12 month periods
by giving notice 30 days prior to any date of termination.

     2. Intracellular Transport Technology/Cancer and other Vaccines

     Optioned  Technology and Terms. In June 1998, the Company obtained from the
Institut   Curie  and  the  Centre   National  de  la   Recherche   Scientifique
(collectively,  "IC/CNRS")  an  option  to enter  into an  exclusive,  worldwide
license  (collectively,   the  "Intracellular   Transport  Research  and  Option
Agreement") with the right to grant sublicenses, to make, use and sell any human
or animal healthcare product  incorporating  T-cell response modifier technology
claimed in the subject  Canadian and United States patent  applications  and any
improvements  therein  (collectively,   the  "Licensed  Intracellular  Transport
Technology").  The  underlying  technology  is  based on the  expression  of the
verotoxin  receptor by human  dendritic cells which initiate the response of the
body's immune systems. Based on preliminary in-vitro research the


                                       -6-

<PAGE>



Company and IC/CNRS believe it may be possible to use the pathway  involving the
verotoxin  receptor to develop vaccines  against cancer and other diseases.  The
Agreement contemplates an initial research stage, expected to last for one year,
to validate in vitro the concept of the technology, and the Company is obligated
to provide $100,000 (USD), or 40%, of the funding therefor.  The second research
stage, expected to last two to three years from the end of the first stage, will
invalidate in vivo the effect of the product in animal models, including Phase I
clinical trials. If and when the Company exercises its option, the parties shall
establish funding  requirements for additional  research stages,  the funding of
which will be the sole responsibility of the Company.

     The option  period  will  terminate  at the end of the first  period of the
research  program,  or on June 9, 2000,  unless  extended for an additional  six
months by the  Steering  Committee  consisting  of members  of  IC/CNRS  and the
Company.  In the event that the Company has not proposed a long term development
and  commercialization  plan  by  June  9,  2000,  IC/CNRS  has  the  option  of
terminating  the Agreement.  In order for the Company to exercise the option two
requirements  must  be  met:  (1)  a  business  plan  for  the  development  and
commercialization  of the Licensed  Intracellular  Transport  Technology must be
completed  and (2) the  funding of the second and third  stages of the  research
program must be insured.  The Company is responsible for all expenses of filing,
prosecuting and maintaining any patents or patent  applications  issued or filed
during the option period,  and has a right of first refusal on any  improvements
made by IC/CNRS.  The cost of filing any patent  applications  for  improvements
will be borne by the party making the improvement.

     Licensing Fee. In the event the Company  acquires a license,  it must pay a
non-refundable licensing fee equal to $200,000 (USD), of which $100,000 (USD) is
due within 30 days of  execution  of the  license  and balance is due six months
thereafter.  The Company also must pay an additional  non-refundable license fee
of $50,000  (USD) upon  completion of each of the second and third stages of the
research program.

     Milestones.  Additional  development  milestones will be set by the parties
within two years  following  the  execution  of the  license  agreement.  If the
Company has not achieved  commercial sales by the year 2008, the Company will be
required  to  pay a  penalty  of  $200,000  (USD)  or,  if  the  Company  cannot
demonstrate  reasonable  due  diligence  towards  exploitation,  IC/CNRS has the
option of terminating the license. The Company believes it is in compliance with
the milestone requirements of the license agreement.

     Royalties.  The  Company  will pay to  IC/CNRS a royalty  equal to six (6%)
percent of its net sales of  pharmaceutical  products  containing  the  Licensed
Intracellular Transport Technology.  Prior to the date of first commercial sale,
the parties will negotiate  annual minimum  royalties to be paid by the Company,
taking into account  market size,  competitive  position and patent  issues,  in
order to provide  IC/CNRS with continuing  assurance of the Company's  diligence
toward exploitation.



                                       -7-

<PAGE>


     Sublicensing Fees. The Company shall pay to IC 30% to 50% of any sublicense
fees it receives from an unaffiliated sublicensee.

     3. Tyrosine Kinase/HIV

     Licensed  Technology.  In  November  1997,  the Company  obtained  from The
University of Toronto  Innovations  Foundation  ("IF") the exclusive,  worldwide
license (the "Tyrosine Kinase License"), with the right to grant sublicenses, to
make, use and sell an invention  relating to early diagnosis of seronegative HIV
infection using Tyrosine Kinase Activity  described in the inventions claimed in
certain  Canadian  and United  States  patent  applications  (collectively,  the
"Licensed  Tyrosine Kinase  Technology").  In the event that the Company has not
achieved  commercial sales by December 31, 2005, IF has the option of converting
the exclusive  Tyrosine  Kinase  License to a  non-exclusive  license or, if the
Company  cannot   demonstrate   reasonable  due  diligence  towards   commercial
exploitation,  terminating  the  license.  The  Company is  responsible  for all
expenses  of  filing,   prosecuting   and  maintaining  any  patents  or  patent
applications  issued or filed under the Tyrosine  Kinase  License,  and it has a
right of first refusal on any improvements made by IF.

     HIV infections are usually  diagnosed by measuring  antibodies  produced in
response to the infection.  Two important  issues in managing HIV infections are
the lag time between  infection and production of antibodies,  and the inability
to use antibody  response to track the viral load of the infection.  At present,
viral load is measured  to monitor the  effectiveness  of  therapies  for HIV by
nucleic acid assays which are complex and costly.  Although no assurance  can be
given, a new assay method using the Licensed Tyrosine Kinase  Technology,  which
does not rely on antibody or nucleic acid  markers,  may find  application  in a
number of areas for the management of HIV therapies.

     Licensing  Fee. The Company paid a  non-refundable  licensing  fee equal to
$100,000  (CDN),  in cash and shares of its Common  Stock.  Such payments may be
credited towards future earned royalties.

     Milestones.  The Tyrosine  Kinase  License  requires the Company to achieve
certain  results  and to  expend  minimum  amounts  of  money  in  developing  a
commercially  marketable formulation of the Licensed Tyrosine Kinase Technology,
as to the success of which no assurances can be given.  In the event that one or
more  milestones are not timely attained in any given calendar year, the Company
must pay an annual  penalty  ranging from $10,000 (CDN) for calendar  years 1998
and 1999 to $40,000 (CDN) in calendar  years 2001,  2002,  2003,  2004 and 2005.
Such payments may be credited towards future earned  royalties.  The Company has
agreed to pay the  $10,000  penalty in  relation  to 1998 and  believes it is in
compliance with the ongoing requirements of the Tyrosine Kinase License.

     Royalties.  The Company will pay to IF a royalty equal to five percent (5%)
of its net sales of all Tyrosine Kinase products sold as research products where
there is an issued patent, and


                                       -8-

<PAGE>


a royalty  equal to three  percent (3%) of its net sales of all Tyrosine  Kinase
products sold as diagnostic  products where there is an issued patent.  Prior to
the date of the first commercial sale of a pharmaceutical product containing the
Licensed Tyrosine Kinase  Technology,  the parties will negotiate annual minimum
royalties  to  be  paid  by  the  Company,  taking  into  account  market  size,
competitive  position,  and patent  issues in order to provide the licensor with
continuing assurance of the Company's diligence toward exploitation.  The amount
of the Company's minimum annual royalty has not yet been determined.

     Sublicensing Fees. The Company shall pay to IF 30% to 50% of any sublicense
fees it receives from an unaffiliated sublicensee.

     4. Bone Marrow Purging

     Licensed  Technology.  In February 1998, the Company entered into a license
agreement with the University of Toronto  Innovations  Foundation ("IF") and the
Ontario  Cancer  Institute  (the  "Cancer  Institute")  whereby it  obtained  an
exclusive  worldwide  license  (the  "CD77  License"),  with the  right to grant
sublicenses,  to make,  have made,  use and sell any product using any method of
selectively  purging CD77 positive  cells from bone marrow  described in certain
U.S. and PCT patent applications,  and to use, have used, make and have made the
method for treatment of Non-Hodgkin's  Lymphomas  described in such applications
(the "Licensed CD77 Technology") for the purpose of producing products using the
CD77 Technology  ("Licensed CD77 Products").  (On September 1, 1998, U.S. Patent
No. 5,801,145 issued, which covers the Licensed CD77 Technology.  See "Item 1.B.
Business  of the  Company -- Patents and  Proprietary  Rights.")  The Company is
responsible  for the expenses of filing,  prosecution  and maintenance of patent
applications it selects for filing.  If the Company chooses not to file a patent
application,  the Cancer Institute may do so at its own expense. The Company has
a right of first refusal for any improvements made by the Cancer  Institute.  In
the event that the Company has not  achieved  commercial  sales by December  31,
2002,  IF  has  the  option  of  converting  the  exclusive  CD77  License  to a
non-exclusive  license  or, if the Company  cannot  demonstrate  reasonable  due
diligence towards commercial  exploitation,  terminating such License.  The CD77
License  will  remain in effect so long as there is at least one patent in force
or patent application pending.

     Although no assurance can be given,  the Licensed CD77  Technology may lead
to improved interventions for cancer patients whose therapies include autologous
stem cell transplantation (ASCT). Preliminary research indicates that stem cells
may be removed from  patients  undergoing  radiation or  chemotherapy,  and then
transplanted   back  into  the  patient  using  the  Licensed  CD77  Technology.
Shiga-like  toxin 1, a bacterial  toxin, is used as an agent to selectively kill
cancer cells in the patient's bone marrow without  harming the essential  marrow
cells which allow  regeneration  of marrow's  capacity for forming  blood cells.
Although no assurance  can be given,  elimination  of cancer cells in the marrow
using the Licensed CD77 Technology may result in improved  clinical outcomes for
such patients.  See "Item 2.  Management's  Discussion and Analysis of Financial
Condition and Results of Operations--Program Review."


                                       -9-

<PAGE>


     Licensing  Fee.  The Company  paid $97,902 in cash and shares of its Common
Stock.

     Milestones.  The CD77  License  requires  the  Company to  achieve  certain
results and to expend  minimum  amounts of money in  developing  a  commercially
marketable  formulation  of the Licensed CD77  Technology,  as to the success of
which no assurances can be given.  Development milestones for years 2000 to 2005
will be set by the  Company in the first two years of  development.  The Company
believes  it is in  compliance  with  the  milestone  requirements  of the  CD77
License.

     Royalties.  The Company is  required  to pay to IF a royalty  equal to four
percent (4%) of the Company's net sales of all Licensed CD77 Products; provided,
however,  that in the event the Company licenses another royalty bearing product
for inclusion in the Licensed CD77 products and the aggregate  royalties payable
by the Company on the final product are greater than six percent (6%),  then the
royalty fee due to IF shall be reduced to three percent (3%).  Prior to the date
of the first  commercial  sale of a Licensed  CD77  Product,  the  parties  will
negotiate  annual  minimum  royalties  to be paid by the  Company,  taking  into
account market size, competitive position and patent issues, in order to provide
IF with continuing assurance of the Company's diligence toward exploitation. The
amount of the Company's minimum annual royalty has not yet been determined.

     Sublicensing  Fees.  The  Company is  required  to pay IF 30% to 50% of any
sublicense fees it receives from an unaffiliated sublicensee.

     5. Clinical Monitoring of Malignant Lymphomas

     Licensed  Technology.  On March 1,  1999,  the  Company  obtained  from the
University of Alberta ("U of A") an exclusive worldwide license,  with the right
to grant  sublicenses,  to use a method  of  clinical  monitoring  of  malignant
lymphocytes (the "University Technology") claimed in pending U.S. and PCT patent
applications (the "University  Patents"),  and to manufacture,  distribute,  and
sell  goods  in  connection  with  the  use  of all or  some  of the  University
Technology.

     Licensing  Fee.  The  Company  paid the U of A an  initial  license  fee of
$18,000.

     Royalties.  The Company shall pay a 3% royalty on the Company's net revenue
from its sales of products incorporating the University Technology.


                                      -10-

<PAGE>


     Sublicensing Fees. The Company shall pay the U of A 40% of its sublicensing
fees, net of the research and development costs incurred by the Company, but not
less than 20% of the sublicense fee received by the Company.

     6. Gonostat Test Kit

     Licensed Technology.  The Company, through Sierra, developed,  manufactures
and sells an in-vitro  diagnostic  kit (known  under the trade name  "Gonostat")
which detects the presence of  gonococchal  DNA by using genetic  transformation
technology and a mutant strain of Neisseria gonorrhea. The kit incorporates test
methodology   for  the  laboratory   diagnosis  and  test  strain  of  neisseria
gonorrhoeae, covered by U.S. Patent No. 4,446,230 (the "Licensed Patent"), which
Sierra licensed from Temple  University  ("Temple") in January,  1994 (the "Test
Method License").

     The Test Method License gives the Company (1) an exclusive license with the
right to grant sublicenses,  to make in the United States0 any product, process,
or use (the  "Licensed  Product")  covered  by the  Licensed  Patent  and (2) an
exclusive  worldwide  license,  with  the  right to  grant  sublicenses,  in any
confidential  technical  information  relating  to  the  Licensed  Product  (the
"Technical Information").

     Royalties.  For Licensed Product manufactured or sold in the United States,
the Company pays Temple a royalty of 4% of annual net sales up to and  including
$2,000,000,  plus 3% of annual net sales  greater than  $2,000,000  but not more
than $4,000,000, plus 2% of annual net sales in excess of $4,000,000.  Royalties
on foreign sales are all reduced by 1%. The Company makes minimum annual royalty
payments  to Temple in the amount of $10,000  regardless  of actual net sales of
Licensed Product.

     Sublicensing  fees.  The Company  must pay Temple 25% of all sums of money,
other than  royalties  on account of net sales of  Licensed  Product,  which the
Company receives from sublicensees, including, but not limited to all sublicense
fees and minimum royalties paid by sublicensees to the Company.

Research and Development

     During its fiscal  years  ended June 30, 1998 and 1999,  the Company  spent
approximately   $822,935   and   $1,424,526,   respectively,   on  research  and
development.

Patents and Proprietary Rights

     Patents  and  other  proprietary  rights  are  extremely  important  to the
Company's business.  However, the patent positions of  biopharmaceutical  firms,
including  the Company,  are  uncertain  and involve  complex  legal and factual
questions which can be difficult to resolve.

                                      -11-

<PAGE>


     The  Company's   general  policy  is  to  license  the  right  to  develop,
manufacture and market selected  early-stage  compounds which themselves  (i.e.,
their "composition of matter") are, or their use for the licensed indication is,
covered  by a United  States  patent  application  which is pending or which the
Company  intends  to file.  To date,  one  patent  has  issued on the  Company's
portfolio  therapeutics  compounds:  the "Method for  Selectively  Purging CD77+
Cells from Bone Marrow,  U.S.  Patent No.  5,801,145,  dated  September 1, 1998.
Patents for other portfolio  therapeutic  compounds are being sought. Two of the
Company's diagnostic technologies are the subject of allowed claims although the
U.S.  patents  have not yet issued:  (1)  "Methods  for Early  Detection  of HIV
Infection,"  dated June 3, 1998 and (2) "Verotoxin  Pharmaceutical  Compositions
and Medical  Treatments  Therewith," dated Sept 23, 1998, and one is the subject
of an issued patent:  "Test Method for the Laboratory  Diagnosis and Test Strain
of Neisseria  Gonorrhea,"  U.S.  Patent No.  4,446,230,  dated May 1, 1984.  The
Company typically bears all patent  prosecution  expenses and patent maintenance
expenses for any issued patent. The Company also may rely upon trade secrets and
know-how.

     The patent  application  and issuance  process may take  several  years and
involves  considerable expense, and there is no assurance that any patent sought
by the Company or its  licensors  will issue.  The coverage  claimed in a patent
application   can  be   significantly   reduced   before  a  patent  is  issued.
Consequently,  neither the  applicant  nor the licensee  knows whether any claim
contained in a patent  application will be allowed and result in the issuance of
a patent  or, if any  patent  is  issued,  whether  it will  provide  meaningful
proprietary  protection or will be  circumvented  or  invalidated.  Since patent
applications  in the United  States are  maintained  in secrecy,  until  foreign
counterparts,  if any, are published,  and because publication of discoveries in
the scientific or patent  literature often lags behind actual  discoveries,  the
Company  cannot be  absolutely  certain  that it or its  licensor  was the first
inventor of the subject matter covered by the patent application,  was the first
to file a patent application  therefor,  or would obtain the freedom to practice
the claimed  inventions and the right to prevent others from doing so. Moreover,
priority in filing a patent  application  for an invention  can be overcome by a
different  party who first  practiced the  invention.  Accordingly,  the Company
might have to participate in extensive proceedings in U.S. and/or foreign patent
offices or  courts,  including  interference  proceedings  declared  by the U.S.
Patent and Trademark Office (the "Patent Office"),  to determine priority and/or
patent  validity.   Any  such  proceeding  would  be  costly  and  consuming  of
management's  time. There can be no assurance either that the Company's owned or
licensed patents would be held valid or that the Company's products would not be
found to infringe patents owned by others. In the event of a determination  that
the Company is infringing a third party's  patent,  the Company  likely would be
required to pay  royalties,  which could be  substantial,  to such third  party.
However,  it is  possible  that the third  party  could  refuse a license to the
Company in order to keep the Company's product off the market.

     There can be no assurance  that any patent  rights held by the Company will
provide any actual  competitive  advantage to the Company.  Competitors might be
able to  develop  similar  and  competitive  products  outside  the scope of the
Company's patents. For example, should third parties patent or otherwise develop
and  receive  governmental  clearance  to  commercialize  a  substance  such  as
verotoxin, for a use not covered by the Company's patents,  physicians could use
those third party  products in place of the  Company's  verotoxin  products even
though  such third  party  products  were not  approved  by the FDA for the same
indications as the Company's  products.  Any such "off-label" use of third party
products could have a material adverse effect on sales of the Company's products
and the amount of royalty revenues received by the Company.


                                      -12-

<PAGE>


     From time to time,  third  parties may claim or the  Company  may  identify
intellectual  property  rights not owned or licensed by the Company which may be
infringed by the Company.  To the extent that such  properties are in the public
domain,  in the first  instance  the  Company  would seek the  opinion of patent
counsel to avoid claims of willful  infringement.  In  addition,  whether or not
such properties are in the public domain,  the Company,  after consultation with
patent   counsel  and  based  on  the   Company's   evaluation   of   applicable
considerations, including without limitation the potential duration, expense and
outcome of an infringement  proceeding,  the validity or  enforceability of such
potential claims and other business  considerations,  might seek to license such
intellectual  properties in consideration of the Company's payment of royalties.
There can be no  assurance  that the  Company  will be able to obtain from third
parties patent licenses on commercially reasonable terms, if at all.

     The Company also relies upon trade secret  protection for its  confidential
and  proprietary  information.  There can be no  assurance  that others will not
independently  develop  substantially   equivalent  proprietary  technology  and
techniques or otherwise  gain access to the Company's  trade secrets or disclose
such technology or that the Company can meaningfully protect its trade secrets.

Government Regulation

     The research, testing, manufacture and marketing of pharmaceutical products
are  extensively  regulated by numerous  governmental  authorities in the United
States,  Canada and other countries.  In the United States, drugs are subject to
rigorous  regulation  by the FDA. The federal  Food,  Drug and Cosmetic  Act, as
amended (the "FDC Act"), and the regulations promulgated  thereunder,  and other
federal and state  statutes and  regulations,  govern,  among other things,  the
research, development, testing, manufacture,  storage, recordkeeping,  labeling,
promotion,  marketing and distribution of  pharmaceutical  products.  Failure to
comply  with  applicable  regulatory  requirements  may  subject  a  company  to
administrative or judicially imposed sanctions such as civil penalties, criminal
prosecution,  injunctions,  product seizure or detention, product recalls, total
or partial suspension of product, and FDA refusal to approve pending NDAs or NDA
supplements to approved applications.

     The  process of  obtaining  FDA and other  required  regulatory  approvals,
including foreign  approvals,  often takes many years and can vary substantially
based  upon  the  type,   complexity  and  novelty  of  the  products  involved.
Furthermore,  such approval process is extremely expensive and uncertain.  There
can be no assurance that the Company's potential pharmaceutical products, all of
which are  "early  stage",  will be  approved  for  marketing  by the FDA or any
similar  regulatory  body of  Canada or any other  country.  Even if  regulatory
approval of a product is  granted,  there can be no  assurance  that the Company
will be able to obtain the  labeling  claims it seeks for the  promotion  of the
product, and FDA requirements  prohibit the marketing or promotion of a drug for
indications the FDA has not approved. Furthermore, regulatory marketing approval
may entail ongoing requirements for postmarketing studies.



                                      -13-

<PAGE>



     The steps ordinarily  required before a new  pharmaceutical  product may be
marketed  in the  United  States  include:  (i)  preclinical  studies;  (ii) the
submission to the FDA of an investigational new drug application ("IND"),  which
must become  effective  before  clinical  testing in humans may commence;  (iii)
adequate  and  well-controlled  clinical  trials to  establish  the  safety  and
effectiveness  of the drug for each claimed  indication;  (iv) the submission of
the NDA to the FDA;  and (v) FDA  review  and  approval  of the NDA prior to any
commercial sale or shipment of the drug.  Preclinical testing of a drug includes
laboratory  evaluation of chemistry and formulation as well as animal studies to
assess  safety and efficacy.  Preclinical  tests must be conducted in compliance
with Good Laboratory  Practice ("GLP")  regulations,  and compounds for clinical
use must be formulated according to FDA requirements. The results of preclinical
testing are  submitted  to the FDA as part of the IND. A 30-day  waiting  period
after the filing of each IND is required prior to the  commencement  of clinical
testing in humans.  If the FDA has not commented on or questioned the IND within
this  30-day  period,  clinical  studies may begin.  If the FDA has  comments or
questions,  the questions must be answered to the satisfaction of the FDA before
initial clinical testing can begin. In addition,  at any time the FDA may impose
a clinical hold on ongoing clinical trials.

     If the FDA imposes a clinical  hold,  clinical  trials  cannot  commence or
recommence without FDA authorization and then only under terms authorized by the
FDA. In some instances,  the IND  application  process can result in substantial
delay and expense.

     Clinical  trials  are  conducted  under  the  supervision  of  a  qualified
investigator  in  accordance  with  Good  Clinical  Practice  regulations  under
protocols  detailing  the objective of the study,  the  parameters to be used in
monitoring safety and the effectiveness criteria to be evaluated.  Each protocol
must be submitted to the FDA as part of the IND.  Further,  each clinical  study
must be conducted  under the  auspices of an  independent  Institutional  Review
Board ("IRB") at the  institution at which the study will be conducted.  The IRB
considers, among other things, ethical factors, the safety of human subjects and
the possible liability of the institution.

     Clinical trials to support NDAs are typically conducted in three sequential
phases, but the phases may overlap. In Phase I, the initial  introduction of the
drug into  healthy  human  subjects  or  patients,  the drug is tested to assess
metabolism,  pharmacokinetics and pharmacological actions and safety,  including
side effects associated with increasing doses. Phase II usually involves studies
in a limited  patient  population  to (i)  determine the efficacy of the drug in
specific,  targeted  indications,  (ii) determine  dosage  tolerance and optimal
dosage and (iii)  identify  possible  adverse  effects  and safety  risks.  If a
compound is found in Phase II to be effective and to have an  acceptable  safety
profile,  Phase III trials are undertaken to further evaluate  clinical efficacy
and to  further  test for  safety  within  an  expanded  patient  population  at
geographically dispersed clinical study sites.

     After  successful  completion  of the  required  clinical  testing,  an NDA
generally is submitted. FDA approval of the NDA is required before marketing may
begin in the United  States.  The NDA must  include the results of clinical  and
other testing and the  compilation of data relating to the product's  chemistry,
pharmacology and manufacture,  the cost of all of which is substantial.  The FDA
reviews all submitted NDAs before it accepts them for filing, and it may request
additional


                                      -14-

<PAGE>


information  before such acceptance,  in which event the NDA must be resubmitted
with the  additional  information  and,  again,  is  subject  to  review  before
acceptance  for filing.  Once the  submission  is accepted  for filing,  the FDA
begins an in-depth review of the NDA. Under the FDC Act, the FDA has 180 days in
which to review the NDA and  respond  to the  applicant.  The review  process is
often  significantly  extended by FDA requests  for  additional  information  or
clarification  of information in the  submission,  which typically are made in a
"non-approvable"  letter.  The FDA may refer the NDA to an appropriate  advisory
committee,  typically  a panel  of  clinicians,  for  review,  evaluation  and a
recommendation as to whether the NDA should be approved; however, the FDA is not
bound by the  recommendation  of its  advisory  committee  although  it  usually
follows its recommendations.  If FDA evaluation of the NDA and its inspection of
the proposed manufacturing  facility are favorable,  the FDA may issue either an
approval  letter  authorizing  commercial  marketing  of the  drug  for  certain
specified  indications or a conditional approval letter which usually contains a
number of conditions  that must be met in order to secure final  approval of the
NDA. When and if those conditions have been met to the FDA's  satisfaction,  the
FDA will issue an approval letter.  As a condition of NDA approval,  the FDA may
require  postmarketing  testing and surveillance to monitor the drug's safety or
efficacy.  Once granted,  product  approvals may be withdrawn if compliance with
regulatory  standards is not  maintained  or problems  occur  following  initial
marketing.

     If the FDA's evaluation of the NDA submission or  manufacturing  facilities
is  not  favorable,   the  FDA  may  refuse  to  approve  the  NDA  or  issue  a
non-approvable  letter,  outlining the  deficiencies in the submission and often
requiring  additional testing or information.  Notwithstanding the submission of
any  requested  additional  data or  information  in response  to a  conditional
approval  or  non-approvable  letter,  the FDA  ultimately  may decide  that the
application does not satisfy the regulatory criteria for approval.

     If regulatory approval is obtained,  the Company will be subject to ongoing
FDA  obligations  and  continued  regulatory  review.  In  particular,   a  drug
manufacturer  is required to adhere to  regulations  setting  forth current Good
Manufacturing  Practices  ("cGMPS"),  which  require  that  it  manufacture  its
products  and  maintain  its  records in a  prescribed  manner  with  respect to
manufacturing, testing and quality control activities. Further, the manufacturer
must pass a preapproval  inspection of its  manufacturing  facilities by the FDA
before  obtaining  marketing   approval.   Failure  to  comply  with  applicable
regulatory  requirements  may  result in  penalties  such as  restrictions  on a
product's  marketing or withdrawal of the product from the market.  In addition,
identification  of  certain  side  effects  after a drug is on the market or the
occurrence  of  manufacturing  problems  could cause  subsequent  withdrawal  of
approval,  reformulation of the drug, additional preclinical testing or clinical
trials and changes in labeling of the product.

     THE COMPANY HAS NOT RECEIVED  REGULATORY  APPROVAL IN THE UNITED  STATES OR
ANY  FOREIGN  JURISDICTION  FOR  THE  COMMENCEMENT  OF  CLINICAL  TRIALS  OR THE
COMMERCIAL SALE OF ANY OF ITS POTENTIAL PHARMACEUTICAL PRODUCTS. THERE CAN BE NO
ASSURANCE THAT PHASE I, PHASE II OR PHASE III TESTING WILL BE COMPLETED

                                      -15-

<PAGE>


SUCCESSFULLY WITHIN ANY SPECIFIED TIME PERIOD, IF AT ALL, WITH RESPECT TO ANY OF
SUCH POTENTIAL PRODUCTS.

Environmental  Matters.  The  Company  currently  uses third  party  independent
contractors to conduct research and development on its proposed drugs.  However,
to the extent the  Company's  manufacturing  operations  and any future  Company
research and development  activities involve the use of hazardous  materials and
chemicals,  or produce waste products,  the Company would be subject to federal,
state and local laws and regulations  governing the use,  manufacture,  storage,
handling and disposal thereof. Although the Company would expect that its safety
procedures  for handling and disposing of such  materials  would comply with the
standards prescribed by such laws and regulations,  the risk of contamination or
injury from these materials could not be eliminated  completely.  In such event,
the  Company  could be held  liable  for any  damages  that  result and any such
liability  could exceed the resources of the Company.  There can be no assurance
that the Company would not be required to incur significant costs to comply with
environmental  laws  and  regulations  in the  future,  or  that  the  Company's
business,  financial  condition or results of operations would not be materially
adversely affected by current or future environmental laws or regulations.

Product and Clinical  Studies  Liability.  Administration  of any drug to humans
involves the risk of allergic or other adverse reactions in certain individuals.
Accordingly,  it is possible that claims might be successfully  asserted against
the  Company for  liability  with  respect to  injuries  that may arise from the
administration  or use of its  products  during  clinical  trials  or  following
marketing.  However  no claims  involving  a  material  liability  has ever been
brought against the Company.  The Company  presently carries what it believes to
be  adequate  product  liability  insurance  coverage,  however it does not have
coverage for clinical studies liability.

Competition.  The pharmaceutical and biotechnology  industries are characterized
by intense  competition.  Virtually all competitors have  substantially  greater
experience in pharmaceutical testing, development,  regulation and out-licensing
and have  vastly  larger  financial,  personnel,  and other  resources  than the
Company.

Employees.  As of August 31, 1999, the Company had seven employees,  all of whom
are full-time. Six work for its Sierra Diagnostics subsidiary.  In addition, the
Company  retains four of its  directors,  Robert Bender,  Craig Sibley,  and Dr.
Allan  Green,  under  consulting  contracts  and makes  extensive  use of expert
consulting resources. See "Item 5. Directors,  Executive Officers, Promotors and
Control Persons" and "Item 7. Certain Relationships and Related Transactions".

Item 2.  Management's  Discussion  and Analysis of Financial  Condition and
         Results of Operations

     This  Management's  Discussion  and  Analysis of  Financial  Condition  and
Results  of  Operations  and other  parts of this Form  contain  forward-looking
statements which involve risks and  uncertainties.  The Company's actual results
may  differ  materially  from  the  results  discussed  in  the  forward-looking
statements.  Factors  that might cause such a  difference  include,  but are not
limited to, those discussed in "Item 1."

OVERVIEW

     The Company is a  development  stage  biopharmaceutical  company  formed to
acquire  and  develop  rights  to  selected  early-stage  compounds  which  have
potential use as  therapeutics  or diagnostics . Since its inception on December
6, 1996,  substantially  all of the Company's  resources  have been dedicated to
research and development and technology acquisition and management. To date, the
Company has not generated significant product revenue from the sale of Gonostat,
launched

                                      -16-

<PAGE>


in January 1999, and it does not expect to generate  significant revenues for at
least  three  years  while  its  other  products  are  under  development.   The
continuation of the Company as a going concern is dependent on additional equity
financing and on the development of economically  viable  products.  The Company
has  incurred  losses of  $2,467,328,  and  $1,919,240  in fiscal 1999 and 1998,
respectively, and negative cash flow is expected to continue for the Company for
at least the next three years.  There can be no  assurance  that funding will be
available  to the  Company  or that  the  Company  will be  able to  develop  an
economically viable product.

     The Company  expects its sources of revenue for the next  several  years to
consist principally of sales of diagnostic products and of payments under future
corporate  partnerships.  The process of developing  the  Company's  therapeutic
products  will  require   significant   additional   research  and  development,
preclinical testing and clinical trials, as well as regulatory  approval.  These
activities, together with the Company's general and administrative expenses, are
expected  to result in  operating  losses  for at least  three more  years.  The
Company will not receive  product  revenue from  therapeutic  products unless it
completes  clinical trials and successfully  commercializes  or arranges for the
commercialization of one or more of its products,  as to the success of which no
assurance can be given.

     The  Company  is subject to risks  common to  biopharmaceutical  companies,
including  risks inherent in its research and  development  efforts and clinical
trials,   reliance  on  collaborative   partners,   enforcement  of  patent  and
proprietary  rights,  the need for future  capital,  potential  competition  and
uncertainty of regulatory approval. In order for a product to be commercialized,
it  will  be  necessary  for  the  Company  and  its  collaborators  to  conduct
preclinical  tests and clinical trials,  demonstrate  efficacy and safety of the
Company's  product  candidates,  obtain  regulatory  clearances  and enter  into
manufacturing,  distribution  and  marketing  arrangements  either  directly  or
through  sublicensees.  There can be no assurance that the Company will generate
revenues or achieve and sustain profitability in the future.

Program Review

     The Company has eliminated  several research  projects and focused on those
which are (relative to other pharmaceutical development projects) both near term
and relatively low in projected  developmental costs.  Nonetheless,  significant
capital  relative  to the  Company's  resources  will be required to bring these
programs to a stage where their therapeutic  efficacy can be demonstrated.  This
is  usually  accompanied  by  a  significant   increase  in  the  value  of  the
intellectual property.

     At the  beginning  of the  year  the  Company  had  licensed  a  number  of
technologies  including a novel approach to development of antibiotic  compounds
and compounds aimed at therapeutic intervention in 'hamburger disease'. Research
on both of these projects was carried out and it was judged that neither project
should be continued by the Company  despite their initial  promise.  Accordingly
intellectual  property  rights  were  returned  and the Company  terminated  its
support for these research projects.

                                      -17-

<PAGE>

     Direct and indirect (ex-vivo purging)  applications of the bacterial toxin,
verotoxin "VT" continue to show promise.  In April 1999, the Company submitted a
Pre-Investigation  New  Drug  Application  as a  first  step  towards  obtaining
approval  for  clinical  investigations,  in  Canada  of the use of  purging  in
treatment of multiple  myeloma.  The Company has received comments and will need
to  obtain  additional   funding  to  comply  with  the  additional   regulatory
requirements for initiating clinical  investigation,  as to the receipt of which
no assurance can be given.  Independently,  the Hospital for Sick Children plans
to  carry  out  a  program  of  investigation  of  the  direct  use  of  VT as a
chemotherapeutic. Significant extension of the basic patent is believed possible
and the Company is pursuing an active program of expanding its patent portfolio.
In order to move  into  clinical  trials it is  necessary  to  produce  VT under
conditions which satisfy regulatory requirements.  Qualified subcontractors have
been  identified;  however,  the program has been halted due to  constraints  of
available  funding.  Significant  additional  capital  will be required to bring
these programs through to the first clinical  milestones  sufficient to validate
the commercial potential of these projects.  While results to date are positive,
there can be no assurance as to the ultimate  technical or economic viability of
products  resulting  from these  applications  of VT. The assay  technology  for
multiple  myeloma  licensed by the  Company is an  important  asset  relative to
validation of the utility of the purging  technology  and its ability to improve
therapeutic  outcomes.  This technology allows significant time and cost savings
in the clinical programs to evaluate marrow and stem cell purging.

     The  application of VT to present  antigens to dendritic cells continues to
be a promising  approach to development  of therapeutic  vaccines for cancer and
other  diseases  which  circumvent  the immune  systems  surveillance.  Research
carried out under the Company's  option  agreement  with the Institut  Curie has
resulted in  promising  findings and a plan for  clinical  investigation  of the
technology  is being  developed  in  collaboration  with Dr.  Evan  Hersh at the
Arizona   Cancer  Center.   As  with   chemotherapeutic   applications   of  VT,
significantly increased levels of expenditure will be required as investigations
move  from the  research  laboratory  setting  to the  clinical  setting.  These
expenses   include  but  are  not  limited  to   development  of  materials  and
formulations  which are compliant with regulatory  requirements and the costs of
patient recruitment and monitoring in trial settings.

     Both the purging  program and the dendritic  cell program  involve  ex-vivo
therapies  (i.e.  treatments are carried out on patient  tissues which have been
removed from the patient). A common characteristic of ex-vivo therapies is that,
relative to systemic  administration,  they are less costly to investigate.  The
Company's focus is on identification of opportunities  which combine low cost of
development  with a strong  proprietary  position and potentially  short time to
market.  While there can be no assurance  that viable  products will result from
the Company's  programs,  they have the potential to yield therapeutic  products
within  time  and  financial  constraints  which  offer  attractive  risk-return
opportunities for development.

     During fiscal year 1999, the Company  purchased Sierra  Diagnostics Inc., a
developer and manufacturer of diagnostic  products for consideration  comprising
stock and assumption of debts and operating  costs.  The purchase and subsequent
development  of Sierra  was  motivated  by three  factors:  a need for  in-house
capability to develop diagnostic tests required for therapeutic programs such as
ex-vivo  purging,  a requirement  for a facility to develop and  manufacture the
Company's HIV diagnostic,  and the desire to develop earnings from operations in
order to offset development costs.  Sierra has a base of proprietary  technology
relating to assays for sexually transmitted diseases

                                      -18-

<PAGE>



and handling of clinical samples.  It has launched two products in 1999, both of
which have significant  revenue  potential.  The first product,  Gonostat,  is a
clinical  laboratory test for gonorrhea  which offers unique  advantages in cost
and performance relative to other technologies available in the market. Although
the market is highly competitive,  Gonostat is expected to capture a significant
niche and become a  profitable  product.  There can,  however be no assurance of
performance in the market.  The second product  brought to market by Sierra is a
sample   preservation  and  handling  product  which  eliminates  the  need  for
refrigeration of clinical samples intended for molecular (DNA/RNA based) assays.
This product fits into the general  practice of clinical testing and is expected
to find wide  application due to elimination of sample  degradation and thus the
need for repeat testing or sampling with attendant costs and inconvenience.  The
technology is proprietary and believed to be patentable.  Sales and licensing of
the  technology to third parties are beginning.  Sierra has operated  within its
budget  projections  and sales  indicate  that its  products  are  gaining  some
acceptance in their  markets.  However,  to date,  the operations of Sierra have
generated  losses and there can be no assurance that profitable  operations will
be achieved or that, if achieved, they can be maintained.

     The  Company   continues  to  seek  and  evaluate   opportunities  for  new
therapeutics within its defined development criteria.  The Company is developing
a portfolio of proprietary  product  opportunities and is aggressively  pursuing
patents prosecution. In addition to licensed patents, the Company has agreements
which provide for options on related  inventions  arising from  sponsored  work.
Together  with a  strong  network  of  institutional  investigators,  management
believes  that  it  has  been  able  to  identify  and  build  protection  for a
significant  base for the  development  of unique  products.  Competition in the
areas  of the  Company's  interests  is  intense  and both  the  scientific  and
commercial  environments  change rapidly.  By focusing on intellectual  property
development  and using  external  contractors,  the Company  hopes to be able to
maintain  the  required  flexibility  to adapt to  changing  circumstances.  The
Company's key resources include qualified subcontractors and it believes that it
can move rapidly into clinical  investigations and development of products based
on its intellectual property given adequate funding. The funding required as the
Company  enters  clinical  trials  significantly  exceeds the magnitude of funds
raised by the Company to date and there can be no assurance that such funding is
available on acceptable terms if at all.

RESULTS OF OPERATIONS

     Years Ended June 30, 1999 and 1998.

     For the fiscal year ended June 30th 1999 and 1998,  the Company  incurred a
net loss of $2,467,328  or $0.46 per share of common  stock.  This compares to a
loss of  $1,919,240  or $0.45 per share in 1998.  Select  has been  unprofitable
since its  formation in 1997 and has a cumulative  deficit of  $4,585,602  as of
June 30, 1999. The increase in net loss is a result of the routine operations of
the Company in its development stage. The Company expects losses are to continue
and increase for the next several years as the Company  pursues  development and
commercialization of its intellectual property resources.


                                      -19-

<PAGE>



     Revenues. The Company recognized revenues of $130,055, its sole revenues to
date,  in the year  ended June 30,  1999.  These  revenues  arose from sales of
diagnostic products through its wholly owned subsidiary, Sierra Diagnostics. The
Company has no other product or license  revenues.  Management  anticipates that
future  revenues may consist  primarily of product sales either  directly by the
Company  or,  more  likely,  through  collaborative  development  and  marketing
agreements  with  other  companies  in  the  pharmaceutical  industry.  Sierra's
operations are expected to achieve  breakeven  during fiscal 2000 and thereafter
be profitable,  however, there can be no assurance that such performance will be
realized or maintained.

     Costs and Expenses.  Operating  expenses  increased  significantly in 1999,
from  $1,919,240  in 1998 to  $2,540,918  in  1999.  This  is due  primarily  to
increased  research and development  activity and the addition of  manufacturing
and marketing operations in Sierra Diagnostics. As projects move from laboratory
investigations  into product  development  and  clinical  trials there will be a
substantial  increase in the level of activity and associated costs , including,
without limitation, the cost, which may be substantial,  of obtaining quantities
of drugs manufactured in compliance with regulatory  requirements (cGMP) for use
in  clinical  trials.  In addition  clinical  investigations  require  extensive
management and have costs  associated with patient  management.  The Company has
paid  significant  amounts to  acquire  technology  rights  and spends  money to
support  related  research  at  collaborating  institutions.  Patent  filing and
prosecution,  maintenance and possibly defense costs are expected to continue to
rise as they are an essential component of the Company's business.

     During fiscal 1999 the Company  acquired  Sierra  Diagnostics for aggregate
consideration of $747,997.

     All  research  and  development  activities  of the Company are expensed as
incurred.   Personnel   costs  including   retained   consultants  and  external
contractors are the largest ongoing cost of operations.  The Company has no long
term employment contracts or liabilities for severances. As of June 30, 1999 the
Company employed seven people,  mainly at Sierra  Diagnostics,  and retained the
services  of three  key  consultants  who are an  integral  part of the  Company
management. Locating and retaining appropriate personnel resources is a priority
and the Company  anticipates  that  personnel  costs will  continue to increase.
However the percentage of expenditures related to personnel and other operations
is  expected  to  decline  as  increasing   commitments  are  made  to  external
manufacturing and clinical studies.

     Capital Expenditures. There were no significant capital expenditures during
the fiscal year.

     Patent costs are expensed  due to the  uncertainties  involved in realizing
value from specific patents and patent applications.



                                      -20-

<PAGE>


LIQUIDITY AND CAPITAL RESOURCES

     The Company has financed its operations since inception  primarily  through
private  placements of its common stock. As of August 24, 1999, the Company had
received  approximately  $3,417,297  in net  proceeds  from the  sale of  equity
securities.

     Cash at June 30, 1999 totaled $121,000  compared to $2,070,705 at June 30,
1998.  In July 1999,  the Company  received  $125,000  from the private  sale of
50,000 shares of restricted common stock.

     Sales of Sierra's  products to date are not  sufficient to cover  operating
costs and the Company's  limited  financial  resources have forced it to curtail
some  of  its  planned   operations  through  1999.  The  Company  will  require
substantial additional funding in order to complete its research and development
activities and sublicense any potential  products.  The Company's future capital
requirements will depend on many factors,  including  scientific progress in its
research and development programs, the size and complexity of such programs, the
scope and results of preclinical studies and clinical trials, the ability of the
Company to establish  and maintain  corporate  partnerships,  the time and costs
involved  in  obtaining  regulatory  approvals,  the costs  involved  in filing,
prosecuting  and enforcing  patent claims,  competing  technological  and market
developments,  the cost of manufacturing  preclinical and clinical  material and
other factors not within the Company's  control.  There can be no assurance that
the  additional  financing  necessary to meet the Company's  short and long-term
capital requirements will be available on acceptable terms or at all.

     Insufficient  funds  may  require  the  Company  to  delay,  scale  back or
eliminate  some or all of its research or development  programs,  to lose rights
under existing licenses earlier than the Company would otherwise choose, and may
adversely  affect  the  Company's  ability to  operate  as a going  concern.  If
additional funds are raised by issuing equity securities,  substantial  dilution
to existing  stockholders may result. The Company currently has funds sufficient
to  continue  operations  for less than  three  months  and does not have  funds
required to move current projects into clinical  investigations.  Management has
been in  discussions  with a number of parties  regarding  obtaining  additional
financing,  including business relationships other than direct equity sales, and
while the Company is  optimistic  that such funds may be  available  there is no
assurance that this will be the case.

     Funding  needs for the Company  will vary  substantially  depending  on the
extent of clinical  development  programs The Company  elects to  undertake.  By
controlling the scheduling of development and clinical  programs the Company has
considerable  flexibility  to maintain  key parts of its  intellectual  property
portfolio at low  expenditure  rates.  While this gives a wider range of choices
than might  otherwise  be  available,  the ongoing  restriction  of  development
activities  is  detrimental  to  the  value  of the  portfolio  and  there  is a
requirement for ongoing support and license payments. Should the Company

                                      -21-

<PAGE>


be unable to obtain  additional  funding,  most of its  portfolio  rights  would
revert to its licensors.

     Year 2000. Year 2000 ("Y2K") issues arise because many computer systems use
two rather than four digits to identify the year thus creating ambiguities which
may produce  errors  before,  on or after  January 1, 2000.  If not  addressed ,
errors could impact all aspects of  operations  including  financial  reporting,
clinical and production records or controls and communications. Errors may range
from minor to significant systems failures and could be imported from suppliers'
systems.

     The  Company  has  assessed,  taken  corrective  actions  in light of,  and
continued  to monitor  its  vulnerability  to Y2K  issues in all  aspects of its
business,  including information and computer systems and critical suppliers and
service providers. To the best of its knowledge,  systems and equipment critical
to its operations are Y2K compliant;  however,  it is not possible to be certain
that the systems of its suppliers, service providers or other third parties upon
which it relies are compliant or that they will  unaffected by problems in their
own supply chain.  Based on the nature of the Company's  operations  and ongoing
assessments,  the Company  believes  that it has little  direct  exposure to Y2K
issues.

     The Company estimates that its direct costs of addressing the Y2K issue are
less than $5,000,  which are being expensed in the normal course of its business
operations.

Item 3. Description of Property.

     The Company  operates a  manufacturing  facility in Sonora,  California  on
three adjacent properties which total approximately 7,606 square feet. The space
is leased from an  unaffiliated  third party.  The  properties  are leased for a
combined  monthly  rental of $4,627  pursuant to a 20 month lease which  expires
February 28, 2001.  The Company  believes its facility meets or exceeds all cGMP
(current Good Manufacturing Practices) requirements.

Item 4. Security Ownership of Certain Beneficial Owners and Management.

     (a) Security Ownership of Certain Beneficial Owners

     The following table sets forth certain information  regarding the ownership
of the Company's Common Stock (being the Company's only voting securities) which
are deemed under the current rules of the Securities and Exchange  Commission to
be beneficially  owned by any person (including any "group" as that term is used
in Instruction  No. 4 to S-B Item 403) known by the Company to be the beneficial
owner of more than five  percent  (5%) of the Common  Stock of the Company as of
August 24th 1999.  Except as otherwise  indicated,  the Company has been advised
that

                                      -22-

<PAGE>


all  individuals  listed  below have the sole  power to vote and  dispose of the
number of shares set forth opposite their names.

<TABLE>
<CAPTION>
Name and Address                            Amount and Nature of                  Percent
of Beneficial Owner                         Beneficial Ownership                  of Class
- -------------------                         --------------------                  --------
<S>                                             <C>                                  <C>
Robert Bender                                   665,000(1)                           12%
50 O'Connor Street, Suite 300
Ottawa, Ontario
Canada K1P 6L2

Sally Hansen                                    665,000(2)                            12%
50 O'Connor Street, Suite 300
Ottawa, Ontario
Canada K1P 6L2

J. Peter Lynch                                  372,500(3)                             7%
407 Pound Ridge Road
Route 124
South Salem, NY 10590-1621

Dr. Clifford A. Lingwood                        367,000(4)                             7%
116 Kingsway Crescent
Toronto, Ontario
Canada M8X 2R9

Dr. Allan M. Green                              360,000(5)                             7%
19 Francis Avenue
Cambridge, MA 02138

Craig A. Sibley                                 360,000(6)                             7%
1372 Saginaw Crescent
Mississauga, Ontario
Canada L5H 1X5

ARGIL Management                                300,000(7)                             6%
c/o Dr. Allan M. Green
19 Francis Avenue
Cambridge, MA 02138
</TABLE>


                                      -23-

<PAGE>


- ----------
(1)  Includes  95,000  shares owned by his wife,  Sally Hansen,  300,000  shares
     owned by ARGIL  Management,  a company in which Sally Hansen is a principal
     shareholder,  and 150,000  shares owned by 996834  Ontario  Ltd., a company
     controlled by Sally Hansen.

(2)  Includes 120,000 shares owned by her husband, Robert Bender, 300,000 shares
     owned  by  ARGIL  Management,  a  company  in  which  she  is  a  principal
     shareholder,  and 150,000 shares owned by 996834 Ontario Ltd., a company in
     which she holds a controlling interest.

(3)  Includes  100,000  shares  owned by Salem  Financial  Inc.,  a  company  he
     controls.

(4)  Includes 183,500 shares owned by his spouse.

(5)  Includes 300,000 shares owned by ARGIL Management, a company in which he is
     a principal shareholder.

(6)  Includes  145,000  shares owned by his spouse and 67,000  shares owned by a
     corporation he controls.

(7)  ARGIL  Management is owned by Dr. Allan Green (51%) and Sally Hansen (49%),
     wife of the Company's Chairman, Robert Bender.

     (b) Security Ownership of Management

     The following table sets forth certain information  regarding the ownership
of the Company's Common Stock (being the Company's only voting securities) which
are deemed under the current rules of the Securities and Exchange  Commission to
be beneficially  owned by the Company's  directors,  executive officers named in
Item 5 below and directors and executive  officers as a group, as of August 24th
1999.  Except as  otherwise  indicated,  the Company has been  advised  that all
individuals  listed  below have the sole power to vote and dispose of the number
of shares set forth opposite their names.


                                      -24-

<PAGE>


<TABLE>
<CAPTION>
Name, Title and Address                              Amount and Nature
of Beneficial Owner                                  of Beneficial Ownership            Percent of Class
- -------------------                                  -----------------------            ----------------
<S>                                                       <C>                                <C>
Robert Bender                                             665,000(1)                         12%
Chairman of the Board
50 O'Connor Street, Suite 300
Ottawa, Ontario
Canada K1P 6L2

Dr. Clifford A. Lingwood                                  367,000(2)                          7%
Director
116 Kingsway Crescent
Toronto, Ontario
Canada M8X 2R9

Craig A. Sibley                                           360,000(3)                          7%
Director
1372 Saginaw Crescent
Mississauga, Ontario
Canada L5H 1X5

Dr. George L. Spitalny                                    231,000                             4%
Director
6 Brookfield Court
Cheshire, CT  06410

Paul Lucas                                                 10,000                            -- *
Director
c/o Glaxo Wellcome Canada, Inc.
7333 Mississauga Road
Mississauga, Ontario
Canada  L5N 6L4

Dr. Allan M. Green                                        360,000(4)                          7%
Director
19 Francis Avenue
Cambridge, MA 02138

Thomas Reardon                                             10,000                            -- *
Director
c/o 49 Candlewood Road
Ipswich, MA 01938

Allen Krantz, Ph.D.                                        10,000                            -- *
Director
847 N Humboldt St. #310
San Mateo, CA 94401
</TABLE>

                                      -25-

<PAGE>



<TABLE>
<CAPTION>
<S>                                                     <C>                                  <C>
All directors and                                       1,713,000                            30%
executive officers
as a group
(8 individuals)
</TABLE>

- ----------
* Owns less than 1%

(1)  Includes  95,000  shares owned by his wife,  Sally Hansen,  300,000  shares
     owned by ARGIL  Management,  a company in which Sally Hansen is a principal
     shareholder,  and 150,000  shares owned by 996834  Ontario  Ltd., a company
     controlled by Sally Hansen.

(2)  Includes 183,500 shares owned by his spouse.

(3)  Includes  145,000  shares owned by his spouse and 67,000  shares owned by a
     corporation he controls.

(4)  Includes 300,000 shares owned by ARGIL Management, a company in which he is
     a principal shareholder.

     (c) Changes in Control.

     There are no arrangements known to the Company which may result in a change
in control of the Company.

Item 5. Directors, Executive Officers, Promoters and Control Persons.

     (a)  Officers and  Directors:  The  following  table  provides  information
concerning  each  executive  officer and director of the Company.  All directors
hold  office  until the next  annual  meeting  of  shareholders  or until  their
successors have been elected and qualified.


Name                                Age                   Title
- ----                                ---                   -----
Robert Bender                       52           Chairman of the Board,
                                                 Secretary and Treasurer

Dr. George L. Spitalny              52           President, Select Therapeutics
                                                 (Canada) Inc., a wholly-owned
                                                 subsidiary of the Company, and
                                                 Director

Dr. Clifford A. Lingwood            49           Director



                                      -26-

<PAGE>


Craig A. Sibley                     41           Director

Paul Lucas                          49           Director

Dr. Allan M. Green                  54           Director

Allen Krantz, Ph.D.                 59           Director

Thomas Reardon                      53           Director


     Robert  Bender:  Mr. Bender is a co-founder  of the Company.  He has been a
director  of the  Company  since  inception.  He  served as its  President  from
inception in January,  1997 until May 1997 at which time he became the Company's
Chairman,   Secretary  and  Treasurer.   Since  1972,  he  has  been  active  in
entrepreneurial  technology-based companies,  primarily in the medical field and
his  professional  focus  has  been on the  assessment  and  development  of new
ventures.  Mr. Bender has  extensive  experience  in  institutional  and private
venture  capital,  having been  associated  with Adler & Co. (New York City) and
Ventures  West  (Vancouver).  He  has  participated  in  the  management  and/or
development of a number of privately held start-up  companies and been active in
the transfer of technology between corporations and from academic institutions.

     Dr. George L. Spitalny: Dr. Spitalny is a co-founder of the Company and has
been a director of the  Company  since  inception.  He has more than 25 years of
experience in clinical and biopharmaceutical development, and since October 1995
he has been an industry  consultant.  From the  Company's  inception in December
1996 until December 1998, he served as its Chief Operating  Officer and from May
1997 until  December  1998,  he served as President  of the Company.  In January
1999, he became President of Select  Therapeutics  (Canada) Inc., a wholly-owned
subsidiary of the Company. From October 1996 to January 1997 he was President of
Immune  Network  Research  Ltd.  From  December 1990 to October 1995 he was Vice
President,  Research and  Development,  and then Chief  Scientific  Officer,  of
TargeTech,  Inc.,  a start-up  biopharmaceutical  company  which was acquired by
Immune   Response  Corp.  From  1983  to  1990  Dr.  Spitalny  was  employed  by
Bristol-Myers  Squibb as a director of research and development and as a manager
of its research and clinical operations.  Dr. Spitalny received a Ph.D. from New
York University  School of Medicine in 1973 and is the author or co-author of 55
articles on a wide range of biopharmaceutical related topics.

     Dr.  Clifford A. Lingwood:  Dr. Lingwood is a co-founder of the Company and
has been a director of the Company since inception. For the last 20 years he has
worked in academia,  during which time he participated in the development of the
scientific  technology  which has been licensed to the Company.  Since 1989, Dr.
Lingwood  has been  affiliated  with  both the  University  of  Toronto  and The
Hospital  for Sick  Children  in Toronto  ("HSC"),  currently  serving as (i) an
Associate  Professor in the Departments of Clinical  Biochemistry,  Biochemistry
and Microbiology at the University of Toronto and (ii) a Senior Scientist in the
Departments of Microbiology and


                                      -27-

<PAGE>


Biochemistry  at HSC.  Dr.  Lingwood  is one of the  inventors  of and a  patent
applicant with regard to certain of the Company's licensed technologies.

     Craig A. Sibley:  Mr.  Sibley is a co-founder of the Company and has been a
director  since  inception.  Mr.  Sibley  has been  involved  in the  marketing,
promotion and sale of medical,  pharmaceutical  and diagnostic  products for the
last 13 years.  From December 1993 thru 1997,  Mr. Sibley was employed by Serono
Canada, Inc., in several capacities in sales and marketing including where since
November 1996 he has served as Group Director, Reproduction Biology, responsible
for  the   promotion,   marketing   and   sale   of   fertility   products   and
reproduction-endocrinology products. From August 1991 to June 1993, he served as
Product Manager for Amgen Canada,  Inc., a start-up  biopharmaceutical  company.
From January 1989 to August 1991, he was employed by Schering  Canada as a sales
representative specializing in biological products and as a product manager.

     Paul Lucas:  Mr. Lucas has been a Director of the Company  since  September
1998. Mr. Lucas is the President and CEO of Glaxo  Wellcome,  Canada.  He joined
Glaxo  Wellcome in September  1986. He has more than 20 years  experience in the
Canadian  pharmaceutical  industry,  and he was  instrumental  in overseeing the
successful  1995 merger of Glaxo  Canada and  Burroughs  Wellcome.  He currently
serves  on  several  university  committees  and is  the  Vice  Chairman  of the
Pharmaceutical  Manufacturers  Association of Canada (PMAC). In addition,  he is
the  Chairman of the Board of Altimed  Pharmaceutical  Inc. and is a Director of
BioChem Pharma.

     Allan M. Green,  M.D.,  Ph.D.,  J.D.:  Dr. Green has been a director of the
Company since January 1999. He is a physician,  lawyer,  and research  scientist
with experience as an operating officer in the  pharmaceutical  industry.  He is
Vice  President,  Pharmaceutical/Biomedical  Products for ML  Strategies,  Inc.,
where he looks after the interests of a wide range of health care, biotechnology
and pharmaceutical  clients. He also is of counsel to the  Boston/Washington law
firm Mintz,  Levin,  Cohn,  Ferris,  Glovsky and Popeo, P.C. He has successfully
represented many American and Canadian clients in their  relationships  with the
FDA and has organized a number of multi-disciplinary  conferences on healthcare,
pharmaceutical  and funding issues.  Dr. Green was formerly  Medical Director of
New England Nuclear/Dupont Medical Products. He is a director of NEUROCHEM, Inc.
and  North  American  Scientific,  Inc.  He has  served  on  various  government
committees  as a  technical  consultant  and has  held  several  medical  school
appointments.  Dr. Green is the author of many scientific papers in biochemistry
and drug  development  and is well known for his Issues and  Commentary  series,
which  analyzes the  competitive  commercial  aspects and potential  markets for
emerging pharmaceutical  technologies.  Dr. Green received his B.S. in Economics
in 1966 and his Ph.D. in Biochemistry and Metabolism in 1971 from  Massachusetts
Institute  of  Technology.  He  received  his M.D.  from  Case  Western  Reserve
University  School of Medicine in 1972.  He holds  board  certification  in both
Internal  Medicine and in Nuclear  Medicine.  Dr. Green  received his J.D.  from
Boston College Law School in 1991.

     Allen  Krantz,  Ph.D.:  Dr. Krantz has been a director of the Company since
January 1999.  He is trained as an organic  chemist and worked at Syntex for the
past 13 years, most recently


                                      -28-

<PAGE>


as a Vice President at Syntex Research,  Canada.  Prior to that he was a tenured
Associate  Professor of Chemistry and  Pharmacology  at State  University of New
York, at Stony Brook. In 1994 he joined Red Cell, Inc., a start-up biotechnology
company as Executive Vice President-Research.  Since 1997, he has been President
of Bullet Therapeutics, a start-up drug development enterprise.

     Thomas M.  Reardon:  Mr.  Reardon has been a director of the Company  since
January 1999. He is Co-Chairman of the Health Law Group at Mintz,  Levin,  Cohn,
Ferris,  Glovsky and Popeo,  P.C. and President of its affiliated ML Strategies,
Inc. He has been at Mintz, Levin since April, 1990. In September 1999, he became
the CEO of Vector Health  Solutions,  an affiliate of Quorum  Health  Resources,
LLC.  In  addition,  he serves as a director of  numerous  organizations  in the
healthcare field.


     (b) Significant Employee:

     Tony K. Baker: Mr. Baker, age 53, has been Vice President of the Company in
charge of the development of diagnostic  products since November 1998. Mr. Baker
was the  President and Chief  Scientist of Sierra  Diagnostics,  Inc.,  which he
founded in May 1994, until Sierra's acquisition by the Company in November 1998.
From 1993 to 1995,  Mr.  Baker  worked  for  Genentech  as a Senior  Development
Specialist.  From 1991 to 1993, he was the Immunodiagnostic  Development Manager
for Sigma  Diagnostics.  From 1987 to 1991 he was a Vice  President  of  Product
Development for Gen-Trans Biotechnology. From 1971 to 1987, he held a variety of
senior positions in the biotechnology field, including Manager of In-Vitro Assay
Development-Infectious  Diseases for Merck Sharp and Dohme.  Mr. Baker  received
his M.S. in Microbiology  from Northern  Arizona  University and he served as an
Officer in the U.S. Marine Corps.

Scientific and Medical Advisory Board:

     Allan M. Green M.D.,  Ph.D.,  J.D. : Dr. Green is a director of the Company
and Chairman of the Company's Scientific and Medical Advisory Board.

     Mark L. Greenberg,  M.D.,  M.B.,  Ch.B.: Dr. Greenberg is Chief of Oncology
and  Co-Head of the  Division  of  Hematology/Oncology,  The  Hospital  for Sick
Children,  University of Toronto.  He is also a Professor in the  Departments of
Pediatrics and Surgery at the University of Toronto.  Dr.  Greenberg  joined The
Hospital for Sick Children  (Toronto) in 1970. He received his medical education
at the University of Witwatersrand (Johannesburg,  South Africa) (M.B., Ch.B. in
1966) and served as an intern and resident at the Johannesburg General Hospital,
Transvaal  Memorial  Hospital and  Presbyterian  St. Luke's  Hospital  (Chicago)
before  joining The  Hospital for Sick  Children.  He is a member of the FRCP(c)
(Fellow of the Royal  College of  Physicians  (Canada))  and other  professional
bodies.  Dr.  Greenberg  has  published  extensively  in the medical  literature
principally on oncology.

     Gabriel  H.  Hortobagyi,  M.D.:  Dr.  Hortobagyi  is  the  Chairman  of the
Department  of Breast  Medical  Oncology  in the  Division  of  Medicine  at the
University of Texas,  M.D.  Anderson Cancer Center.  He received his M.D. at the
Universidad Nacional de Columbia (Bogota, Columbia) in 1970 and served as intern
and resident at The Hospital San Juan de Dios (Bogota, Columbia) and


                                      -29-

<PAGE>



St. Luke's Hospital  (Cleveland).  He joined M.D. Anderson Hospital in 1974 as a
Fellow  in  Developmental   Therapeutics.   Since  joining  M.D.  Anderson,  Dr.
Hortobagyi has had numerous  academic and  professional  appointments.  He holds
specially diplomas in internal medicine and medical oncology.

     John  Thomas  Lamont,  M.D.:  Dr.  Lamont  is  Chief  of  the  Division  of
Gastroenterology  of the Beth Israel  Deaconess  Medical Center and Professor of
Medicine at the Boston University of Rochester.  He interned at the UCLA Medical
Center in Los Angeles,  where he later served as Chief Medical Resident.  He has
been on the faculty of Boston University since 1980 and is certified in Internal
Medicine and Gastroenterology.  His research interests include the structure and
function of intestinal mucin and the mechanisms of action of bacterial toxins.

     Evan  M.  Hersh,  M.D.:  Dr.  Hersh  is a  Professor  of  Microbiology  and
Immunology at the University of Arizona,  Tucson,  and is the Associate Director
of Clinical Research and Director of Immunology at the Arizona Cancer Center. He
has been active in the development of novel therapeutic  anti-cancer strategies.
Dr. Hersh's  laboratory will collaborate with the Company and the Institut Curie
in Paris in  pre-clinical  and early  clinical  studies  on  therapeutic  cancer
vaccines  based  on  the  proprietary  antigen  presentation   technology  being
developed at the Institut Curie.

Item 6. Executive Compensation.

     (a) Summary Compensation: The following Summary Compensation Table reflects
certain  information  for  the  Company's  Chief  Executive  Officer  and  other
executive  officers,  if any,  whose  total  annual  salary  and bonus  exceeded
$100,000.


                                      -30-

<PAGE>


                               Annual Compensation

<TABLE>
<CAPTION>                                                                                  Other
Name and                                                                                   Annual
Principal                                             Salary            Bonus              Comp. (1)
Position                         Year                   ($)              ($)                  ($)
- --------                         ----                 ------            -----              ------
<S>                              <C>                  <C>               <C>                <C>
Robert Bender, CEO               1999                 144,000(2)        nil                nil
                                 1998                  74,000           nil                nil
                                 1997                 nil               nil                nil

Dr. George Spitalny,             1999                 158,144           20,000             6,069
President, Select                1998                 146,924           nil                12,000
Therapeutics (Canada),           1997                  30,000           nil                nil
Inc.
</TABLE>


- ----------
(1)  Excludes  perquisites  and other benefits,  unless the aggregate  amount of
     such  compensation  is at least the lesser of either  $50,000 or 10% of the
     total annual salary and bonus reported for the named executive officer.

(2)  $120,000 was paid in cash, and the balance of $24,000 is accrued.


Item 7. Certain Relationships and Related Transactions.

     The Company has an oral employment  agreement with Dr. George  Spitalny,  a
director,  retaining  his full  time  services  as  President  of the  Company's
Canadian subsidiary on a month to month basis at a monthly salary of $13,179.

     The Company has entered into a  consulting  agreement  with the  consulting
company owned by Robert Bender,  the Company's CEO, retaining his services for a
monthly fee of $12,000 of which $10,000 is to be paid monthly and the balance is
accrued. The Company also has entered into consulting arrangements with three of
its other directors,  Craig Sibley,  Dr. Clifford  Lingwood and Dr. Allan Green,
whereby  the  Company  has  agreed  to  pay  them  monthly  consulting  fees  of
approximately  $5,200,  $1,300 and $10,000,  respectively.  Mr. Sibley devotes a
substantial  fraction of his professional time to the Company and is responsible
for relationship management and technology sourcing for its Canadian subsidiary.
Dr.  Lingwood's  laboratory  at the  Hospital  for Sick  Children  ("HSC")  is a
principal  source of technology  for the Company and receives  research  support
through  contractual  arrangements  with HSC.  Dr. Green  devotes a  substantial
fraction  of his  professional  time  to the  Company  and  is  responsible  for
regulatory oversight,  research program planning and coordination and scientific
direction.


                                      -31-

<PAGE>


     In addition,  Dr. Lingwood owns 35% of the share owned by HSC in the Patent
Application   entitled  "Verotoxin   Pharmaceutical   Compositions  and  Medical
Treatment  therewith"  (the "Licensed  Verotoxin  Technology".  He and the other
owners of the patent  granted the University of Toronto  Innovations  Foundation
the exclusive right to grant licenses thereunder and such Foundation has granted
an  exclusive  license  thereto to the Company.  See "Item 1.B.  Business of the
Company - Technology Licenses - Verotoxin/Neoplasia."

Item 8. Legal Proceedings.

     None.


Item 9. Market Price for Common Equity and Related Stockholder Matters.

     (a)  Market Information

     The  Company's  Common  Stock is  currently  listed on the Over the Counter
Bulletin Board under the symbol "SLPU".

     The  following  table sets forth the range of high and low bid  information
for the Company's Common Stock for each quarter within the last two fiscal years
since quotation thereof commenced, as provided by the National Quotation Bureau,
Inc.  Such  quotations  reflect  inter-dealer  prices  without  retail  mark-up,
mark-down or commission and may not represent actual transactions.

                                      LOW                         HIGH
         Fiscal 1999                  ---                         ----
         -----------

         April 1 through              $3.125                     $5.03125
         June 30, 1999

         Jan. 1 through               $3.50                      $5.75
         March 31, 1999

         Oct. 1 through               $3.3125                    $5.3125
         Dec. 31, 1998

         July 1 through               $3.875                     $6.625
         Sept. 30, 1998


                                      -32-

<PAGE>



         Fiscal 1998
         -----------

         April 1 through              $4.625                     $11.625
         June 30, 1998

         Jan. 1 through               $2.375                     $6
         Mar. 31, 1998

         Oct. 28 (first available)     $1.50                     $3
         through Dec. 31, 1997


     (b) Holders

     As of August 26,  1999,  there were 167 holders of record of the  Company's
Common Stock.

     (c) Dividends

     Since its  inception,  the Company has not  declared  any  dividends on its
common stock and does not anticipate paying any in the foreseeable future.


Item 10. Recent Sales of Unregistered Securities.

     In January  1997,  the Company  sold to its  founders  2,567,000  shares of
Common Stock for an aggregate  price of $2,567 ($.0001 per share) in reliance on
the exemption from  registration  provided by Section 4(2) of the Securities Act
of 1933, as amended  ("Section  4(2)") for  transactions  not involving a public
offering.

     In March and April 1997,  the  Company  sold to private  investors  800,000
shares of Common Stock for an aggregate  price of $200,000 ($.25 per share) in a
private placement made pursuant to the exemption from  registration  provided by
Section 3(b) of the Securities Act ("Section 3(b)") and Rule 504 of Regulation D
promulgated  under the Securities Act ("Rule 504").  The investors paid cash for
their shares.

     In April, May and June 1997, the Company sold to private  investors 800,000
shares of Common Stock for an aggregate price of $800,000 ($1.00 per share) in a
private placement made pursuant to the exemption from  registration  provided by
Section 3(b) and Rule 504. The investors paid cash for their shares.

     In April,  May and June 1998,  the Company  sold  762,531  shares of Common
Stock for an aggregate  cash price of $2,287,593  ($3.00 per share) in a private
placement to accredited and non-accredited investors under Section 4(2) and Rule
506 of Regulation D  promulgated  under the  Securities  Act of 1933, as amended
("Rule  506").  The Company  paid sales  commissions  aggregating  approximately
$212,000.

     In December  1998,  the Company  issued an  additional  240,000  shares for
services


                                      -33-

<PAGE>


rendered  aggregating  $720,000.  In August  1999,  the Company  authorized  the
issuance of 381,264  additional  shares of Common  Stock to reduce the  offering
price from $3.00 to $2.00 per share. Such issuances were and will be in reliance
on the exemption from registration provided by Section 4(2) and Rule 506.

     In November 1998, the Company sold to accredited  investors  219,999 shares
of its Common Stock in exchange for all of the issued and outstanding  shares of
Sierra  Diagnostics,  Inc.,  in  reliance  on the  exemption  from  registration
provided by Section 4(2) and Rule 506.

     In March 1999,  the Company  issued  11,000  shares of its Common  Stock as
payment for services rendered, aggregating $33,000, in reliance on the exemption
from registration provided by Section 4(2).

     In May 1999, the Company issued 51,782 shares of Common Stock as payment of
license fees to the  University  of Toronto  Innovations  Foundation  and 30,000
shares of Common Stock to three  directors in connection  with their election as
directors,  in reliance on the exemption from  registration  provided by Section
4(2).

     In May 1999,  the Company  issued  100,000  restricted  common shares to an
accredited  investor  for cash  consideration  of  $250,000,  in reliance on the
exemption from registration provided by Section 4(2).

     In July 1999,  the Company  issued  50,000  restricted  common shares to an
accredited  investor  for cash  consideration  of  $125,000,  in reliance on the
exemption from registration provided by Section 4(2).


Item 11. Description of Securities.

Common Stock

     Voting Rights

     Each share of Common Stock entitles the holder thereof to one vote,  either
in  person or by  proxy,  at a meeting  of  shareholders.  The  holders  are not
permitted to vote their shares  cumulatively.  Accordingly,  the holders of more
than 50% of the issued and  outstanding  shares of Common Stock can elect all of
the directors of the Company.

     Dividends


                                      -34-

<PAGE>



     All shares of Common Stock are entitled to participate ratably in dividends
when,  as and if declared by the  Company's  Board of Directors out of the funds
legally available therefor.  Any such dividends may be paid in cash, property or
additional  shares of Common Stock. The Company has not paid any dividends since
its inception and presently  anticipates  that no dividends  will be declared in
the foreseeable  future.  Any future dividends will be subject to the discretion
of the Company's  Board of Directors  and will depend upon,  among other things,
future  earnings,  the  operating and  financial  condition of the Company,  its
capital  requirements,  general  business  conditions and other pertinent facts.
Therefore, there can be no assurance that any dividends on the Common Stock will
be paid in the future.

     Miscellaneous Rights and Provisions

     Holders of Common Stock have no  preemptive or other  subscription  rights,
conversion  rights,  and there are no  redemption  or  sinking  fund  provisions
applicable  to the common stock.  In the event of  liquidation,  dissolution  or
winding up,  whether  voluntary or  involuntary,  of the Company,  each share of
Common  Stock  is  entitled  to  share  ratably  in  any  assets  available  for
distribution  to  holders  of  the  equity   securities  of  the  Company  after
satisfaction of all liabilities and after provision has been made for each class
of stock, if any, having preference over the common stock.

Preferred Stock

     Although  no series of  preferred  stock has been issued and  therefore  no
voting or other  rights  have been  designated  or  specified,  the  Company  is
authorized to issue "blank check" preferred stock with such designations, rights
of  conversion  into common  stock and other  rights and  preferences  as may be
determined  from  time to time  by the  Board  of  Directors.  Accordingly,  the
Company's Board of Directors,  without stockholder approval, may issue preferred
stock with dividend, liquidation, conversion, voting or other rights which could
adversely  affect  the  voting  power  or other  rights  of the  holders  of the
Company's  Common Stock. In the event of issuance,  the preferred stock could be
utilized, under certain circumstances, as a method of discouraging,  delaying or
preventing a change in control of the Company.

Delaware Anti-Takeover Law

     The Company is subject to certain  anti-takeover  provisions  under Section
203 of the Delaware General  Corporation  Law. In general,  under Section 203, a
Delaware  corporation  may not  engage  in any  business  combination  with  any
"interested  stockholder"  (a person that owns,  directly or indirectly,  15% or
more of the  outstanding  voting  stock of a  corporation  or is an affiliate or
associate of a corporation  and was the owner of 15% or more of the  outstanding
voting stock),  for a period of three years following the date such  stockholder
became an  interested  stockholder,  unless  (i) prior to such date the board of
directors of the  corporation  approved  either the business  combination or the
transaction   which   resulted  in  the   stockholder   becoming  an  interested
stockholder,  or (ii) upon consummation of the transaction which resulted in the
stockholder becoming an

                                      -35-

<PAGE>


interested  stockholder,  the interested  stockholder  owned at least 85% of the
voting  stock  of the  corporation  outstanding  at  the  time  the  transaction
commenced,   excluding  for  purposes  of  determining   the  number  of  shares
outstanding  those  shares  owned  (a) by  persons  who are  directors  and also
officers,  and (b) employee  stock plans in which employee  participants  do not
have the right to determine  confidentially  whether  shares held subject to the
plan will be tendered in a tender or exchange  offer,  or (iii) on or subsequent
to such date, the business combination is approved by the board of directors and
authorized at an annual or special  meeting of  stockholders  and not by written
consent,  by at least 66-2/3% of the outstanding voting stock which is not owned
by the interested stockholder.  The restrictions imposed by Section 203 will not
apply  to  a  corporation   if  the   corporation's   original   certificate  of
incorporation contains a provision expressly electing not to be governed by this
section or the corporation by action of its  stockholders  holding a majority of
the outstanding stock adopts an amendment to its certificate of incorporation or
by-laws expressly electing not to be governed by Section 203.

     The  Company  has not  elected  out of  Section  203,  and  therefore,  the
restrictions  imposed by Section 203 will apply to the Company.  Such  provision
could have the effect of discouraging,  delaying or preventing a takeover of the
Company,  which  could  otherwise  be in the  best  interest  of  the  Company's
stockholders,  and have an adverse  effect on the market price for the Company's
Common Stock.


Item 12. Indemnification of Directors and Officers.

     Section 145 of the General Corporation Law ("GCL") of the State of Delaware
empowers a Delaware corporation, such as the Company, to indemnify its directors
and  officers  under  certain   circumstances.   The  Company's  Certificate  of
Incorporation  provides  that the Company  shall  indemnify  such persons to the
fullest  extent  permitted by Delaware  law. At present,  GCL provides  that, in
order to be entitled to  indemnification,  an individual must have acted in good
faith and in a manner he or she  reasonably  believed to be in or not opposed to
the  Company's  best  interests  and,  with  respect  to a  criminal  action  or
proceeding,  had no  reasonable  cause to believe  that his or her  conduct  was
unlawful.

     Insofar as indemnification for liabilities arising under the Securities Act
of 1933 may be permitted to directors  and officers and  controlling  persons of
the Company pursuant to the provisions of Delaware law or otherwise, the Company
has been advised that in the opinion of the Securities  and Exchange  Commission
such  indemnification  is against public policy as expressed in said Act and is,
therefore,  unenforceable. In the event that a claim for indemnification against
such liabilities  (other than the payment by the Company of expenses incurred or
paid  by a  director,  officer  or  controlling  person  of the  Company  in the
successful  defense  of any  action,  suit,  or  proceeding)  is  asserted  by a
director,  officer or controlling person in connection with the securities being
registered,  the Company  will,  unless in the opinion of its counsel the matter
has been  settled by  controlling  precedent,  submit to a court of  appropriate
jurisdiction the question of whether such


                                      -36-

<PAGE>


indemnification by it is against public policy as expressed in said Act and will
be governed by the final adjudication of such issue.

     Article  Tenth of the Company's  Certificate  of  Incorporation  limits the
personal  liability  of its  directors  to the Company or its  stockholders  for
monetary  damages arising from a breach of their fiduciary  duties as directors.
This  provision  does not prevent the Company or its  stockholders  from seeking
equitable  remedies,  such as  injunctive  relief or  rescission.  If  equitable
remedies are found not to be available to stockholders  in any particular  case,
stockholders  may not  have  any  effective  remedy  against  actions  taken  by
directors that constitute negligence or gross negligence.


Item 13. Financial Statements.


                                      -37-

<PAGE>

                  Consolidated Financial Statements
                  (Stated in U.S. dollars)

                  SELECT THERAPEUTICS INC.
                  (A DEVELOPMENT STAGE ENTERPRISE)

                  Years ended June 30, 1999 and 1998 and period from
                  December 6, 1996, date of inception, to June 30, 1997


<PAGE>


kpmg

         kpmg LLP
         Chartered Accountants                      Telephone     (416) 228-7000
         Yonge Corporate Centre                     Telefax       (416) 228-7123
         4120 Yonge Street Suite 500                www.kpmg.ca
         North York ON M2P 2B8


INDEPENDENT AUDITORS' REPORT


To the Directors of Select Therapeutics Inc.


We  have  audited  the  accompanying   consolidated  balance  sheets  of  Select
Therapeutics  Inc. (A Development Stage Enterprise) as at June 30, 1999 and 1998
and the related consolidated statements of operations,  changes in shareholders'
equity and cash flows for the years ended June 30, 1999 and 1998 and period from
December  6,  1996,  date  of  inception,  to June  30,  1997.  These  financial
statements   are  the   responsibility   of  the   Company's   management.   Our
responsibility  is to express an opinion on these financial  statements based on
our audits.

We conducted our audits in  accordance  with United  States  generally  accepted
auditing standards. Those standards require that we plan and perform an audit to
obtain  reasonable  assurance  whether  the  financial  statements  are  free of
material  misstatement.  An audit includes examining,  on a test basis, evidence
supporting  the amounts and  disclosures in the financial  statements.  An audit
also includes assessing the accounting principles used and significant estimates
made by  management,  as well as  evaluating  the  overall  financial  statement
presentation.  We believe  that our audits  provide a  reasonable  basis for our
opinion.

In our opinion, the consolidated  financial statements referred to above present
fairly, in all material  respects,  the financial  position of the Company as at
June 30, 1999 and 1998 and the results of its  operations and its cash flows for
the years ended June 30, 1999 and 1998 and period from December 6, 1996, date of
inception,  to June 30, 1997 in conformity  with generally  accepted  accounting
principles in the United States.

The  accompanying  financial  statements  have been  prepared  assuming that the
Company  will  continue  as a  going  concern.  As  discussed  in  note 1 to the
consolidated  financial  statements,  the Company has suffered  recurring losses
from operations that raises substantial doubt about its ability to continue as a
going concern.  Management's plans in regard to these matters are also described
in note 1. The consolidated  financial statements do not include any adjustments
that might result from the outcome of this uncertainty.


"KPMG LLP" (signed)


Chartered Accountants


Toronto, Canada

August 23, 1999


<PAGE>



SELECT THERAPEUTICS INC.
(A DEVELOPMENT STAGE ENTERPRISE)

Consolidated Balance Sheets
(Stated in U.S. dollars)

June 30, 1999 and 1998

<TABLE>
<CAPTION>
===========================================================================================
                                                                     1999              1998
- -------------------------------------------------------------------------------------------

<S>                                                           <C>               <C>
Assets

Cash and cash equivalents                                     $   120,881       $ 2,070,705
Restricted cash (note 11(a))                                       72,000                 -
Accounts receivable                                                 7,380                 -
Inventory                                                          32,130                 -
Prepaid expenses and other assets                                  21,740            30,000
Property, plant and equipment (note 4)                            104,547             3,278
Intangible assets (note 5)                                        900,581                 -

- -------------------------------------------------------------------------------------------
                                                              $ 1,259,259       $ 2,103,983
- -------------------------------------------------------------------------------------------

Liabilities and Shareholders' Equity

Liabilities:
     Accounts payable                                         $    43,309       $   809,560
     Accrued liabilities                                          655,798           231,670
     --------------------------------------------------------------------------------------
                                                                  699,107         1,041,230

Shareholders' equity:
     Capital stock (note 6):
         Authorized:
              1,000,000 preferred shares
              10,000,000 common shares,
                $0.001 par value
         Issued:
              5,634,094 common shares (1998 - 4,981,313)            5,634             4,981
     Contributed surplus                                        5,140,120         3,176,046
     Deficit accumulated during the development stage          (4,585,602)       (2,118,274)
     --------------------------------------------------------------------------------------
                                                                  560,152         1,062,753

Going concern (note 1)
Commitments (note 9)
Subsequent event (note 6(b))

- -------------------------------------------------------------------------------------------
                                                              $ 1,259,259       $ 2,103,983
===========================================================================================
</TABLE>


See accompanying notes to consolidated financial statements.



                                       1
<PAGE>



SELECT THERAPEUTICS INC.
(A DEVELOPMENT STAGE ENTERPRISE)
Consolidated Statements of Operations
(Stated in U.S. dollars)

<TABLE>
<CAPTION>
==============================================================================================================
                                                                                    Period from    Period from
                                                            Year            Year    December 6,    December 6,
                                                           ended           ended        1996 to        1996 to
                                                        June 30,        June 30,       June 30,       June 30,
                                                            1999            1998           1997           1999
- --------------------------------------------------------------------------------------------------------------

<S>                                                  <C>             <C>            <C>            <C>
Revenue                                              $   130,055     $        --    $        --    $   130,055
Cost of revenue                                           90,121              --             --         90,121
- --------------------------------------------------------------------------------------------------------------
                                                          39,934              --             --         39,934

Interest income                                           33,656              --             --         33,656

Research and development                               1,424,526         822,935        182,607      2,430,068
Selling, general and administration                      929,756       1,095,726         16,427      2,041,909
Depreciation                                              13,470             579             --         14,049
Amortization                                             173,166              --             --        173,166
- --------------------------------------------------------------------------------------------------------------
                                                       2,540,918       1,919,240        199,034      4,659,192

- --------------------------------------------------------------------------------------------------------------
Loss for the period                                  $ 2,467,328     $ 1,919,240    $   199,034    $ 4,585,602
==============================================================================================================

Loss per share (note 10)                             $     (0.46)    $    (0.45)    $     (0.06)
Weighted average number of shares                      5,318,743       4,285,474      3,207,000

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


<CAPTION>
Consolidated Statements of Changes in Shareholders' Equity
(Stated in U.S. dollars)

==============================================================================================================
                                                                                        Deficit
                                                                                    accumulated
                                                                                     during the
                                               Common shares         Contributed    development
                                           Shares         Amount         surplus          stage          Total
- --------------------------------------------------------------------------------------------------------------

<S>                                     <C>          <C>             <C>            <C>            <C>
Balance, January 28, 1997                      --    $        --     $        --    $        --    $        --

Issue of common shares                  4,159,683          4,159         954,890             --        959,049

Net loss                                       --             --              --       (199,034)      (199,034)
- --------------------------------------------------------------------------------------------------------------

Balance, June 30, 1997                  4,159,683          4,159         954,890       (199,034)       760,015

Issue of common shares                    821,630            822       2,221,156             --      2,221,978

Loss for the period                            --             --              --     (1,919,240)    (1,919,240)
- --------------------------------------------------------------------------------------------------------------

Balance, June 30, 1998                  4,981,313          4,981       3,176,046     (2,118,274)     1,062,753

Issue of common shares                    652,781            653       1,964,074             --      1,964,727

Loss for the period                            --             --              --     (2,467,328)    (2,467,328)

- --------------------------------------------------------------------------------------------------------------
Balance, June 30, 1999                  5,634,094    $     5,634     $ 5,140,120    $(4,585,602)   $   560,152
==============================================================================================================
</TABLE>


See accompanying notes to consolidated financial statements.



                                       2
<PAGE>


SELECT THERAPEUTICS INC.
(A DEVELOPMENT STAGE ENTERPRISE)

Consolidated Statements of Cash Flows
(Stated in U.S. dollars)

<TABLE>
<CAPTION>
===============================================================================================================
                                                                                    Period from     Period from
                                                             Year           Year    December 6,     December 6,
                                                            ended          ended        1996 to         1996 to
                                                         June 30,       June 30,       June 30,        June 30,
                                                             1999           1998           1997            1999
- ---------------------------------------------------------------------------------------------------------------

<S>                                                   <C>            <C>            <C>             <C>
Cash provided by (used in):

Operating activities:
     Loss for the period                              $(2,467,328)   $(1,919,240)   $  (199,034)    $(4,585,602)
     Items not involving cash:
         Depreciation                                      13,470            579             --          14,049
         Amortization                                     173,166             --             --         173,166
     Changes in non-cash operating working capital:
         Amount receivable                                 92,620             --             --          92,620
         Inventory                                          2,300             --             --           2,300
         Prepaid expenses and other assets                  9,522        105,686       (135,686)        (20,478)
         Accounts payable and accrued liabilities         379,395      1,084,521         95,439       1,559,355
- ---------------------------------------------------------------------------------------------------------------
                                                       (1,796,855)      (728,454)      (239,281)     (2,764,590)

Financing activities:
     Proceeds from issue of common shares,
       net of issue costs                                 250,000      2,083,248        959,049       3,292,297
     Repayment of loans due to the former
       shareholders of Sierra Diagnostics, Inc.          (285,999)            --                       (285,999)
     Restricted cash                                      (72,000)            --             --         (72,000)
- ---------------------------------------------------------------------------------------------------------------
                                                         (107,999)     2,083,248        959,049       2,934,298

Investing activities:
     Additions to property, plant and equipment           (44,970)            --         (3,857)        (48,827)
- ---------------------------------------------------------------------------------------------------------------

Increase (decrease) in cash                            (1,949,824)     1,354,794        715,911         120,881

Cash and cash equivalents, beginning of period          2,070,705        715,911             --              --

- ---------------------------------------------------------------------------------------------------------------
Cash and cash equivalents, end of period              $   120,881    $ 2,070,705    $   715,911     $   120,881
===============================================================================================================

Supplementary disclosure:
     Non-cash financing and investing activities:
         Issue of common shares to purchase
           licenses                                   $   138,730    $        --    $        --     $   138,730
         Issue of common shares related to the
           acquisition of Sierra Diagnostics, Inc.        780,997             --             --
                                                                                                        780,997
         Issue of common shares for services              795,000             --             --         795,000

===============================================================================================================
</TABLE>


See accompanying notes to consolidated financial statements.



                                       3
<PAGE>


SELECT THERAPEUTICS INC.
(A DEVELOPMENT STAGE ENTERPRISE)

Notes to Consolidated Financial Statements (continued)
(Stated in U.S. dollars)

Years ended June 30, 1999 and 1998 and period from
December 6, 1996, date of inception, to June 30, 1997

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

Select   Therapeutics  Inc.  (the  "Company"  or  "Select   Therapeutics")   was
incorporated  under the laws of Delaware as VT Development,  Inc. on January 28,
1997 and  changed  its  name to  Select  Therapeutics  Inc.  on July  18,  1997.
Substantially  all of the operations and assets are located in the United States
and the Company  conducts  biotechnological  research  and  development  for the
purpose of  developing  pharmaceutical  products,  and in-vitro  diagnostic  and
related products.

1.     Going concern:

     The Company is currently  involved in research and  development and did not
     generate  any  significant  revenue  during the period of  operations.  The
     continuation  of the going  concern  assumption  is dependent on additional
     equity financing and on the development of an economically  viable product.
     The Company has incurred  losses of  approximately  $4,586,000  to June 30,
     1999.  The Company is not  expected  to generate  profits in the next three
     years while its products are under  development.  There can be no assurance
     that  sufficient  funding  can be  raised  to  fund  ongoing  research  and
     operating  expenses  or  that  the  Company  will be  able  to  develop  an
     economically viable product.

     The  Company's  acquisition  of Sierra on November 2, 1998 has provided the
     Company  with a Federal  Drug  Administration  Current  Good  Manufacturing
     Practice  ("cGMP")  facility  which will enable the Company to  manufacture
     diagnostic  products  which  comply to  regulatory  requirements.  Further,
     Sierra  has a product  ready for  market,  sales of which are  expected  to
     generate  sufficient  cash flow to cover the operating  costs of Sierra and
     the cGMP facility.  The first  delivery of Sierra's  products took place in
     January  1999.  However,  consolidated  negative  cash flow from  operating
     activities is expected to continue for Select Therapeutics for at least the
     next two years.

     Despite  its  negative  cash  flow,  the  Company  has been  able to secure
     financing to support its operations to date,  based on equity financing and
     the  payment for certain  services to the Company  through the  issuance of
     common shares.  However, there can be no assurance that the Company will be
     able to obtain sufficient financing to support its operations.



                                       4
<PAGE>


SELECT THERAPEUTICS INC.
(A DEVELOPMENT STAGE ENTERPRISE)

Notes to Consolidated Financial Statements
(Stated in U.S. dollars)

Years ended June 30, 1999 and 1998 and period from
December 6, 1996, date of inception, to June 30, 1997

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


2.   Significant accounting policies:

     (a)  Basis of presentation:

          The  consolidated  financial  statements  include the  accounts of the
          Company's wholly-owned subsidiaries, Select Therapeutics (Canada) Inc.
          from the  date of  incorporation  on  December  6,  1996,  and  Sierra
          Diagnostics,  Inc. from the date of  acquisition  on November 2, 1998.
          All  material   intercompany   accounts  and  transactions  have  been
          eliminated.

     (b)  Measurement uncertainty:

          The  preparation of financial  statements in conformity with generally
          accepted  accounting  principles requires management to make estimates
          and  assumptions  that  affect  the  reported  amounts  of assets  and
          liabilities and disclosure of contingent assets and liabilities at the
          date of the financial  statements and the reported  amounts of revenue
          and expenses during the reported  period.  Actual results could differ
          from those estimates.

     (c)  Research and development:

          Research and development costs are expensed as incurred.

     (d)  Income taxes:

          The Company records income taxes using the asset and liability  method
          as required by the Financial  Accounting  Standards Board Statement of
          Financial  Accounting  Standards No. 109, Accounting for Income Taxes.
          Under this method,  deferred tax assets and liabilities are determined
          based on  differences  between  financial  reporting  and tax bases of
          assets and  liabilities  and are measured  using the enacted tax rates
          and laws that are  expected to be in effect when the  differences  are
          expected  to  reverse.   Valuation  allowances  are  established  when
          necessary  to reduce  deferred tax assets to the amounts that are more
          likely than not to be realized.  The effect on deferred tax assets and
          liabilities  of a change in tax rates is recognized in the period that
          such tax rates changes are enacted.



                                       5
<PAGE>


SELECT THERAPEUTICS INC.
(A DEVELOPMENT STAGE ENTERPRISE)

Notes to Consolidated Financial Statements
(Stated in U.S. dollars)

Years ended June 30, 1999 and 1998 and period from
December 6, 1996, date of inception, to June 30, 1997

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


2.   Significant accounting policies (continued):

     (e)  Property, plant and equipment:

          Property,  plant and equipment are stated at cost and are amortized on
          a straight-line basis over their estimated useful lives as follows:

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

          Leasehold improvements                                        10 years
          Manufacturing equipment                                        7 years
          Computer equipment                                             3 years
          Office equipment                                               5 years

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

          All costs  incurred  relating to patents and  licenses  were  expensed
          during  the  year due to the  uncertainty  relating  to  their  future
          benefit.

     (f)  Intangible assets:

          Intangible assets consist of goodwill and acquired license which arose
          on the  acquisition of Sierra on November 2, 1998 (note 3).  Goodwill,
          representing  the  excess  cost  over  the fair  value  of net  assets
          acquired,  is amortized on a straight-line basis over a period of five
          years.  The  Company  reviews  the value of  goodwill  regularly.  The
          measurement of possible  impairment is based  primarily on the ability
          to recover the balance of goodwill from expected future operating cash
          flow  through the  remaining  amortization  period on an  undiscounted
          basis.  If an  impairment  exists,  the amount of such  impairment  is
          calculated based on the estimated fair value of the asset. An acquired
          license,  representing  the  fair  value  of a  license  acquired,  is
          amortized over the one year life of a related contract plus a one year
          renewal period.

     (g)  Fair value of financial instruments:

          The carrying values of cash and cash  equivalents and accounts payable
          approximate  their fair values due to the relatively  short periods to
          maturity of the instruments.



                                       6
<PAGE>


SELECT THERAPEUTICS INC.
(A DEVELOPMENT STAGE ENTERPRISE)

Notes to Consolidated Financial Statements
(Stated in U.S. dollars)

Years ended June 30, 1999 and 1998 and period from
December 6, 1996, date of inception, to June 30, 1997

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


2.   Significant accounting policies (continued):

     (h)  Cash and cash equivalents:

          The Company considers all highly liquid  investments  purchased with a
          maturity  of 90 days or less to be cash  equivalents.  Cash  and  cash
          equivalent  balances consist of cash balances and investments in money
          market funds.

3.   Acquisition of Sierra Diagnostics, Inc.:

     Effective  November 2, 1998,  the Company  acquired  100% of the issued and
     outstanding  common shares of Sierra for  consideration  of 219,999  common
     shares valued at $747,997 and direct costs of acquisition  of $33,000.  The
     acquisition  has been  accounted for using the purchase  method.  The total
     consideration  exceeded  the  fair  value  of the net  assets  acquired  by
     $923,747,  which has been recorded as goodwill and is being  amortized on a
     straight-line basis over five years.

     The following unaudited  pro-forma  information for the year ended June 30,
     1999 had been compiled  assuming the  acquisition of Sierra had occurred on
     July 1, 1998.

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

     Revenue and license fees                                    $      163,388
     Net loss                                                         2,729,965
     Net loss per share                                                   (0.51)

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



                                       7
<PAGE>


SELECT THERAPEUTICS INC.
(A DEVELOPMENT STAGE ENTERPRISE)

Notes to Consolidated Financial Statements
(Stated in U.S. dollars)

Years ended June 30, 1999 and 1998 and period from
December 6, 1996, date of inception, to June 30, 1997

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


3.   Acquisition of Sierra Diagnostics, Inc. (continued):

     The pro-forma  data does not purport to represent the results of operations
     that might have occurred had the  transaction  actually taken place on July
     1, 1998,  or the results of  operations  of Select or Sierra for any future
     period. Further, the historical results of operations provide no indication
     of the future performance of Select or Sierra.

4.   Property, plant and equipment:

<TABLE>
<CAPTION>
     ===================================================================================================
                                                                         Accumulated            Net book
     June 30, 1999                                           Cost       amortization               value
     ---------------------------------------------------------------------------------------------------

     <S>                                              <C>                  <C>                 <C>
     Leasehold improvements                           $    12,942          $   1,941           $  11,001
     Manufacturing equipment                              109,747             29,865              79,882
     Office equipment                                      23,913             10,249              13,664

     ---------------------------------------------------------------------------------------------------
                                                      $   146,602          $  42,055           $ 104,547
     ===================================================================================================


     ===================================================================================================
                                                                         Accumulated            Net book
     June 30, 1998                                           Cost       amortization               value
     ---------------------------------------------------------------------------------------------------

     Office equipment                                 $     3,857          $     579           $   3,278

     ===================================================================================================
</TABLE>


5.   Intangible assets:

     Intangible assets consist of the following:

<TABLE>
<CAPTION>
     ===================================================================================================
                                                                         Accumulated            Net book
     June 30, 1999                                           Cost       amortization               value
     ---------------------------------------------------------------------------------------------------

     <S>                                              <C>                  <C>                 <C>
     Goodwill                                         $   923,747          $ 123,166           $ 800,581
     Acquired license                                     150,000             50,000             100,000

     ---------------------------------------------------------------------------------------------------
                                                      $ 1,073,747          $ 173,166           $ 900,581
     ===================================================================================================
</TABLE>



                                       8
<PAGE>


SELECT THERAPEUTICS INC.
(A DEVELOPMENT STAGE ENTERPRISE)

Notes to Consolidated Financial Statements
(Stated in U.S. dollars)

Years ended June 30, 1999 and 1998 and period from
December 6, 1996, date of inception, to June 30, 1997

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

6.   Capital stock:

     (a)  During  the year  ended  June 30,  1998,  the  Company  completed  the
          following capital stock transactions:

          (i)  7,317 common shares were issued for cash proceeds of $7,317 which
               related to the June 30, 1997 offering;

          (ii) 23,810 common shares were issued for $68,800 as consideration for
               a license agreement;

         (iii) 27,972  common  shares were  issued for $69,930 as  consideration
               for a license agreement; and

          (iv) 762,531  common  shares  were  issued for gross cash  proceeds of
               $2,287,593 through a private offering of shares.

     (b)  During  the year  ended  June 30,  1999,  the  Company  completed  the
          following capital stock transactions:

          (i)  11,000 common shares were issued for $33,000 as consideration for
               professional  services provided in relation to the acquisition of
               Sierra;

          (ii) 219,999  common shares were issued on the  acquisition  of Sierra
               for a fair value of $747,997;

         (iii) 321,782  common shares were issued to settle  amounts  payable of
               $933,730; and

          (iv) 100,000  common  shares  were  issued for gross cash  proceeds of
               $250,000.

          Share issue costs incurred  during the year ended June 30, 1999 in the
          amount of nil (1998 - $211,662) have been netted  against  contributed
          surplus.



                                       9
<PAGE>



SELECT THERAPEUTICS INC.
(A DEVELOPMENT STAGE ENTERPRISE)

Notes to Consolidated Financial Statements
(Stated in U.S. dollars)

Years ended June 30, 1999 and 1998 and period from
December 6, 1996, date of inception, to June 30, 1997

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


6.   Capital stock (continued):

          In May 1999,  the Board of  Directors  approved the issuance of 48,000
          common  shares of the Company to settle  amounts  payable  relating to
          services  which are valued at $120,000 of which  $75,000 were rendered
          during the fiscal year.  These shares were issued  subsequent  to year
          end. In addition,  in August 1999, the Board of Directors approved the
          reduction of the April 1998 private  offering  common share price from
          $3.00 per share to $2.00 per share and  authorized  the issuance of an
          additional  381,264 common shares to the subscribers of the April 1998
          private offering.

          In July 1999,  the 50,000  common shares were issued for cash proceeds
          of $125,000.

     (c)  Preferred shares:

          The Company's Board of Directors is authorized to establish the number
          of shares to be included in each preferred share series and to fix the
          designation, powers, preferences and rights of the shares of each such
          series and the qualifications, limitations or restrictions thereof. As
          at June 30, 1999, no series of preferred  shares are authorized by the
          board and no preferred shares are issued.

7.   Related party transactions:

     During the year ended June 30, 1999, the Company paid technical  consulting
     fees of $151,842  (1998 - $55,699;  1997 - $44,629) to members of the Board
     of Directors. This amount is included in research and development expenses.



                                       10
<PAGE>



SELECT THERAPEUTICS INC.
(A DEVELOPMENT STAGE ENTERPRISE)

Notes to Consolidated Financial Statements
(Stated in U.S. dollars)

Years ended June 30, 1999 and 1998 and period from
December 6, 1996, date of inception, to June 30, 1997

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

8.   Income taxes:

     The  effective  rate of income  taxes of zero  differs  from the  statutory
     Federal  rate of 35% due to  losses  for  which  no tax  benefit  has  been
     recorded  because it is not more likely than not that such benefits will be
     realized.

     The tax  effects  of  temporary  differences  that give rise to future  tax
     assets at June 30, 1999 are as follows:

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

     Future income tax assets:
         Licenses expensed for
            accounting purposes                                      $  138,000
         Net operating loss carryforwards                               720,000
         -----------------------------------------------------------------------
                                                                        858,000

     Valuation allowance                                               (823,000)
     ---------------------------------------------------------------------------

     Net future income tax assets                                        35,000
     Future income tax liability:
         Acquired license                                                35,000

     ---------------------------------------------------------------------------
     Net future income tax assets                                    $       --
     ===========================================================================


     The tax effects of temporary  differences  that give rise to future  income
     tax assets at June 30, 1998 are as follows:

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

     Future income tax assets:
         Licenses expensed for
            accounting purposes                                      $  148,000
         Net operating loss carryforward                                175,000
         -----------------------------------------------------------------------
                                                                        323,000

     Valuation allowance                                               (323,000)

     ---------------------------------------------------------------------------
     Net future income tax assets                                    $       --
     ===========================================================================



                                       11
<PAGE>



SELECT THERAPEUTICS INC.
(A DEVELOPMENT STAGE ENTERPRISE)

Notes to Consolidated Financial Statements
(Stated in U.S. dollars)

Years ended June 30, 1999 and 1998 and period from
December 6, 1996, date of inception, to June 30, 1997

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


8.   Income taxes (continued):

     At June 30,  1999,  the Company and its  subsidiaries  had  operating  loss
     carryforwards for tax purposes which expire as follows:

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

     2012                                                              $ 525,000
     2013                                                                669,000
     2014                                                                694,000

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

9.   Commitments:

     A subsidiary of the Company leases  premises under an operating lease which
     expires February 28, 2001. The Company has an option to renew the lease for
     a further 40 months.  Minimum lease  payments due under the premises  lease
     are as follows:

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

     Year ending June 30:

     2000                                                               $ 55,460
     2001                                                                 36,889

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

     Rent payment for the year ended June 30, 1999 totalled $14,455 (1998 - nil;
     1997 - nil).

     The Company has entered into  several  license  agreements  under which the
     Company has obtained rights to license and sublicense certain  intellectual
     property. These licenses require the Company to pay royalties of between 2%
     and 7% of  net  revenue  from  products  using  the  licensed  intellectual
     property.  The licenses also require the Company to pay between 20% and 70%
     of sublicense fees.



                                       12
<PAGE>



SELECT THERAPEUTICS INC.
(A DEVELOPMENT STAGE ENTERPRISE)

Notes to Consolidated Financial Statements
(Stated in U.S. dollars)

Years ended June 30, 1999 and 1998 and period from
December 6, 1996, date of inception, to June 30, 1997

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


9.   Commitments (continued):

     In addition, for the Company to retain its rights under these licenses, the
     licenses  require the Company to fund  research  and  development  and make
     further  license  payments in both Canadian and United States dollars which
     are, in aggregate, as follows:

     ===========================================================================
                                   Canadian       United States            Total
     ---------------------------------------------------------------------------

       2000                       $ 402,064           $ 200,000        $ 602,064

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


     Further, in order to retain its rights under these licenses, the Company is
     committed  to  make  payments  on the  achievement  of  certain  milestones
     outlined  in the  various  license  agreements  which  total  in  aggregate
     $374,744.  Further,  there are certain penalties in the license  agreements
     which total, in aggregate $200,000 if specified development  milestones are
     not reached.  In some cases,  failure to meet these payments will result in
     termination of certain license agreements.

     The Company can terminate the license agreements at any time, provided that
     30 days' notice is given.

10.  Loss per share:

     Loss per share has been  calculated  using the weighted  average  number of
     common shares outstanding during the periods.

     The weighted  average  number of common  shares which was used to calculate
     the loss per share is as follows:

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

     June 30, 1999                                                     5,318,743
     June 30, 1998                                                     4,285,474
     June 30, 1997                                                     3,207,000

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

     There are no common  share  purchase  options or other  dilutive  potential
     common shares outstanding.



                                       13
<PAGE>



11.  Other information:

     (a)  Restricted cash represents funds held in escrow by the Company's legal
          representatives under the terms of an employment contract.

     (b)  SFAS 130,  "Reporting  Comprehensive  Income" and SFAS 131 "Disclosure
          about  Segments  of  an  Enterprise  on  Related  Information"  became
          effective with the fiscal year commencing  July 31, 1998.  Adoption of
          these standards had no impact of the financial statements.

12.  Segment information:

     The  Company  operates  in  a  single  operating   segment   consisting  of
     biotechnological  research and  development  for the purpose of  developing
     pharmaceutical products and in-vitro diagnostic and related products.

     All  revenue are  generated  from a single  customer  located in the United
     States.

13.  New accounting not yet adopted:

     In June 1998, the Financial  Accounting Standards Board issued Statement of
     Financial  Accounting  Standards  No. 133  ("SFAS  133"),  "Accounting  for
     Derivative Instruments and Hedging Activities".  This statement establishes
     accounting and reporting  standards for derivative  instruments,  including
     certain derivative  instruments  embedded in other contracts  (collectively
     referred to as derivatives),  and for hedging activities.  It requires that
     an entity  recognize all derivatives as either assets or liabilities in the
     statement  of  financial  position and measure  those  instruments  as fair
     value.  This statement is effective for all fiscal quarters of fiscal years
     beginning after June 5, 1999.

     Management  does not  believe  that  the  adoption  of this new  accounting
     standard will  immediately  affect its historical  results of operations or
     shareholders' equity.



                                       14
<PAGE>



                      Financial Statements
                      (Stated in U.S. dollars)

                      SIERRA DIAGNOSTICS, INC.

                      Period from January 1, 1998 to November 2, 1998


<PAGE>


kpmg

         kpmg LLP
         Chartered Accountants                     Telephone     (416) 228-7000
         Yonge Corporate Centre                    Telefax       (416) 228-7123
         4120 Yonge Street Suite 500               www.kpmg.ca
         North York ON M2P 2B8

INDEPENDENT AUDITORS' REPORT

To the Director of Sierra Diagnostics, Inc.

We have audited the accompanying balance sheet of Sierra Diagnostics, Inc. as at
November 2, 1998 and the  statements  of  operations,  changes in  shareholders'
deficiency  and cash flows for the period  from  January 1, 1998 to  November 2,
1998.  These  financial  statements  are  the  responsibility  of the  Company's
management.  Our  responsibility  is to express  an  opinion on these  financial
statements based on our audit.

We conducted  our audit in  accordance  with United  States  generally  accepted
auditing standards. Those standards require that we plan and perform an audit to
obtain  reasonable  assurance  whether  the  financial  statements  are  free of
material  misstatement.  An audit includes examining,  on a test basis, evidence
supporting  the amounts and  disclosures in the financial  statements.  An audit
also includes assessing the accounting principles used and significant estimates
made by  management,  as well as  evaluating  the  overall  financial  statement
presentation.  We believe  that our audit  provides a  reasonable  basis for our
opinion.

In our opinion,  the financial  statements  referred to above present fairly, in
all material  respects,  the financial position of the Company as at November 2,
1998 and the  results of its  operations  and its cash flows for the period then
ended in conformity with generally accepted accounting  principles in the United
States.

The  accompanying  financial  statements  have been  prepared  assuming that the
Company  will  continue  as a  going  concern.  As  discussed  in  note 1 to the
financial statements,  the Company has suffered recurring losses from operations
that raise  substantial  doubt about its ability to continue as a going concern.
Management's  plans in regard to these  matters  are also  described  in note 1.
These financial statements do not include any adjustments that might result from
the outcome of this uncertainty.


"KPMG LLP"  (signed)


Chartered Accountants


Toronto, Canada

January 21, 1999


<PAGE>



SIERRA DIAGNOSTICS, INC.
Balance Sheet
(Stated in U.S. dollars)

November 2, 1998

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

Assets

Prepaid expenses                                                      $   1,800
Inventory                                                                34,430
Property, plant and equipment (note 3)                                   69,769

- -------------------------------------------------------------------------------
                                                                      $ 105,999
===============================================================================

Liabilities and Shareholders' Deficiency

Liabilities:
     Bank overdraft                                                   $     538
     Accounts payable                                                   174,450
     Accrued liabilities                                                 12,762
     Due to shareholders (note 4)                                       285,999
- -------------------------------------------------------------------------------
                                                                        473,749

Shareholders' deficiency:
     Capital stock:
         Authorized:
              750,000 shares
         Issued:
              1,404 shares                                              291,575
     Deficit                                                           (659,325)
- -------------------------------------------------------------------------------
                                                                       (367,750)

Going concern (note 1)
Commitments (note 7)

- -------------------------------------------------------------------------------
                                                                      $ 105,999
===============================================================================


See accompanying notes to financial statements.



                                       1
<PAGE>



SIERRA DIAGNOSTICS, INC.
Statement of Operations
(Stated in U.S. dollars)

Period from January 1, 1998 to November 2, 1998

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

License fees                                                          $ 233,333

Expenses:
     Research and development                                           261,553
     Selling, general and administration                                162,868
     Depreciation                                                        11,131
     Interest                                                            13,900
     --------------------------------------------------------------------------
                                                                        449,452
- -------------------------------------------------------------------------------

Loss before income taxes                                               (216,119)

Income taxes                                                                 --

- -------------------------------------------------------------------------------
Loss for the period                                                   $(216,119)
===============================================================================




Statement of Changes in Shareholders' Deficiency
(Stated in U.S. dollars)

Period from January 1, 1998 to November 2, 1998

<TABLE>
<CAPTION>
=============================================================================================
                                         Common shares
                                     Shares          Amount          Deficit            Total
- ---------------------------------------------------------------------------------------------

<S>                                   <C>         <C>              <C>              <C>
Balance, December 31, 1997            1,404       $ 291,575        $(443,206)       $(151,631)

Loss for the period                      --              --         (216,119)        (216,119)

=============================================================================================
Balance, November 2, 1998             1,404       $ 291,575        $(659,325)       $(367,750)
=============================================================================================
</TABLE>


See accompanying notes to financial statements.



                                       2
<PAGE>



SIERRA DIAGNOSTICS, INC.
Statement of Cash Flows
(Stated in U.S. dollars)

Period from January 1, 1998 to November 2, 1998

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

Cash provided by (used in):

Operating activities:
     Loss for the period                                              $(216,119)
     Depreciation                                                        11,131
     Change in non-cash operating working capital:
         Prepaid expenses                                                 1,287
         Inventory                                                       (3,514)
         Accounts payable                                               127,968
         Accrued liabilities                                             12,762
         Deferred revenue                                              (233,333)
     --------------------------------------------------------------------------
                                                                       (299,818)

Financing activities:
     Increase in amount due to shareholders                             225,390

Investing activities:
     Additions to capital assets                                           (430)
- -------------------------------------------------------------------------------

Decrease in cash                                                        (74,858)

Cash, beginning of period                                                74,320

- -------------------------------------------------------------------------------
Bank overdraft, end of period                                         $    (538)
================================================================================


See accompanying notes to financial statements.



                                       3
<PAGE>



SIERRA DIAGNOSTICS, INC.
Notes to Financial Statements (continued)
(Stated in U.S. dollars)

Period from January 1, 1998 to November 2, 1998

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


Sierra  Diagnostics,  Inc. (the  "Company") was  incorporated  under the laws of
California on May 18, 1994 and its primary business activity is biotechnological
research and development for the purpose of developing and manufacturing invitro
diagnostics and reagents.

1.   Going concern:

     These  financial  statements  have been prepared on a going concern  basis,
     which assumes the  realization of assets and the liquidation of liabilities
     in the normal course of business.  Therefore, these financial statements do
     not include any  adjustments  relating  to the  recovery of asset  carrying
     amounts or amounts of  liabilities  that might result should the Company be
     unable to continue as a going concern.

     The continuation of the going concern  assumption is dependent on continued
     financing  by the  Company's  shareholders  and on  the  development  of an
     economically   viable  product.   Although  management  is  confident  that
     sufficient financing will be provided,  there can be no assurance that such
     financing will be available to the Company or that the Company will be able
     to develop an economically viable product.  The Company has incurred losses
     of  approximately  $659,000 to November 2, 1998,  which have been funded by
     the shareholders through debt and equity financing.  Although management is
     confident  that  sufficient  financing  can  be  raised,  there  can  be no
     assurance  that such  funding  will be available to the Company in that the
     Company will be able to develop an economically viable product.

     At the close of  business  on  November  2,  1998,  all of the  issued  and
     outstanding   common   shares  of  the  Company  were  acquired  by  Select
     Therapeutics, Inc.

     Subsequent  to this  acquisition,  the  Company  received  an order for the
     Company's  Gonostat  test kits and  shipment  commenced  in  January  1998.
     Management  anticipates  that this order and other projected  product sales
     will cover the Company's operating expenses in 1999. Further, the Company's
     shareholder,  Select  Therapeutics,  Inc.  ("Select") intends to expand the
     Company's Federal Drug Administration  Current Good Manufacturing  Practice
     facility  and use the  facility to supply  compounds  required for research
     being  funded by  Select.  Select  also  intends to fund  several  research
     projects  carried  out by the  Company.  Fees from  these  activities  will
     further improve operating results.

     Despite  its  negative  cash  flow,  the  Company  has been  able to secure
     financing to support its operations to date,  based on equity financing and
     loans from the shareholder of the Company.



                                       4
<PAGE>



SIERRA DIAGNOSTICS, INC.
Notes to Financial Statements
(Stated in U.S. dollars)

Period from January 1, 1998 to November 2, 1998

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


2.   Significant accounting policies:

     (a)  Measurement uncertainty:

          The  preparation of financial  statements in conformity with generally
          accepted  accounting  principles requires management to make estimates
          and  assumptions  that  affect  the  reported  amounts  of assets  and
          liabilities and disclosure of contingent assets and liabilities at the
          date of the financial  statements and the reported  amounts of revenue
          and expenses during the reported  period.  Actual results could differ
          from those estimates.

     (b)  Research and development costs:

          Research and development costs are expensed as incurred.

     (c)  Income taxes:

          The Company records income taxes using the asset and liability  method
          as required by the Financial  Accounting  Standards Board Statement of
          Financial  Accounting  Standards No. 109, Accounting for Income Taxes.
          Under this method,  deferred tax assets and liabilities are determined
          based on  differences  between  financial  reporting  and tax bases of
          assets and  liabilities  and are measured  using the enacted tax rates
          and laws that are  expected to be in effect when the  differences  are
          expected  to  reverse.   Valuation  allowances  are  established  when
          necessary  to reduce  deferred tax assets to the amounts that are more
          likely than not to be realized.  The effect on deferred tax assets and
          liabilities  of a change in tax rates is recognized in the period that
          such tax rates changes are enacted.

     (d)  Property, plant and equipment:

          Property,  plant and equipment are stated at cost and are amortized on
          a straight-line basis over their estimated useful lives as follows:

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

           Leasehold improvements                                       10 years
           Manufacturing equipment                                       7 years
           Office equipment                                              5 years

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



                                       5
<PAGE>



SIERRA DIAGNOSTICS, INC.
Notes to Financial Statements
(Stated in U.S. dollars)

Period from January 1, 1998 to November 2, 1998

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


3.   Property, plant and equipment:

     ---------------------------------------------------------------------------
                                                      Accumulated       Net book
                                           Cost      depreciation          value
     ---------------------------------------------------------------------------

     Leasehold improvements            $ 12,942          $  1,079       $ 11,863
     Manufacturing equipment             73,705            22,678         51,027
     Office equipment                    13,335             6,456          6,879

     ---------------------------------------------------------------------------
                                       $ 99,982          $ 30,213       $ 69,769
     ---------------------------------------------------------------------------

4.   Due to shareholders:

     The amount due to shareholders bears no interest and has no fixed repayment
     terms.

5.   Financial instruments:

     The carrying  values of cash and accounts  payable and accrued  liabilities
     approximate  their  fair  values  due to the  relatively  short  periods to
     maturity of the instruments.  It is not practical to determine a fair value
     of the amount due to shareholder due to the unusual terms and related party
     nature of this instrument.

6.   Income taxes:

     The tax effects of temporary  differences  that give rise to future  income
     tax assets at November 2, 1998 are as follows:

<TABLE>
<CAPTION>
    ---------------------------------------------------------------------------
                                             Federal        State         Total
    ---------------------------------------------------------------------------

    <S>                                    <C>           <C>          <C>
    Future income tax assets:
        Net operating loss carryforward    $ 228,000     $     --     $ 228,000

    Valuation allowance                     (228,000)          --      (228,000)

    ---------------------------------------------------------------------------
    Net future income tax assets           $      --     $     --     $      --
    ---------------------------------------------------------------------------
</TABLE>



                                       6
<PAGE>



SIERRA DIAGNOSTICS, INC.
Notes to Financial Statements
(Stated in U.S. dollars)

Period from January 1, 1998 to November 2, 1998

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


7.   Commitments:

     The Company has entered into an exclusive worldwide license agreement under
     which the Company has  obtained  rights to license and  sublicense  certain
     intellectual  property.  This license requires the Company to pay royalties
     of  between  7% and 3% on net  revenue  from  products  using the  licensed
     intellectual property with a minimum annual royalty of $10,000. The royalty
     agreement  ends  January 1,  2007,  the date of expiry of the Patent on the
     licensed  intellectual  property.  The license also requires the Company to
     pay 25% of sublicense fees.

     The Company leases premises under an operating lease which expires February
     29,  1999.  The  Company has an option to renew the lease for a further two
     years.  Minimum lease payments due under the current  premises lease are as
     follows:

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

     Year ending December 31:

     1998                                                                $ 1,512
     1999                                                                  1,512

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

     Rent  payments for the period  January 1, 1998 to November 2, 1998 totalled
     $17,614.



                                       7
<PAGE>



                      Pro forma Consolidated Statement of Operations
                      (Stated in U.S. dollars)

                      SELECT THERAPEUTICS INC.

                      Year ended June 30, 1999
                      (Unaudited)


<PAGE>


SELECT THERAPEUTICS INC.
Pro forma Consolidated Statement of Operations
(Stated in U.S. dollars)

Year ended June 30, 1999
(Unaudited)

<TABLE>
<CAPTION>
- -------------------------------------------------------------------------------------------------------------
                                     Select           Sierra
                               Therapeutics     Diagnostics,        Pro forma
                                       Inc.             Inc.      adjustments         Note 3        Pro forma
- -------------------------------------------------------------------------------------------------------------

<S>                             <C>                <C>              <C>                  <C>      <C>
Revenue                         $   130,055        $       -        $       -                     $   130,055
Cost of revenue                      90,121                -                -                          90,121
- -------------------------------------------------------------------------------------------------------------
                                     39,934                -                -                          39,934

License fees                              -          233,333         (200,000)           (a)           33,333
Interest income                      33,656                -                -                          33,656
- -------------------------------------------------------------------------------------------------------------
                                     73,590          233,333         (200,000)                        106,923

Expenses:
     Research and
       development                1,424,526          261,553         (148,939)           (a)        1,537,140
     Selling, general and
       administration               929,756          162,868          (80,514)           (a)        1,012,110
     Depreciation                    13,470           11,131           (6,500)           (a)           18,101
     Amortization                   173,166                -           86,583            (b)          259,749
     Interest                             -           13,900           (4,112)           (a)            9,788
     --------------------------------------------------------------------------------------------------------
                                  2,540,918          449,452         (153,482)                      2,836,888

- -------------------------------------------------------------------------------------------------------------
Loss for the year               $(2,467,328)       $(216,119)       $ (46,518)                    $(2,729,965)
- -------------------------------------------------------------------------------------------------------------

Loss per share                  $    (0.46)                                                       $     (0.51)

- -------------------------------------------------------------------------------------------------------------
</TABLE>


See accompanying notes to pro forma consolidated statement of operations.



                                       1
<PAGE>



SELECT THERAPEUTICS INC.
Notes to Pro forma Consolidated Statement of Operations (continued)
(Stated in U.S. dollars)

Year ended June 30, 1999
(Unaudited)

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


1.   Basis of presentation:

     The  accompanying pro forma  consolidated  statement of operations has been
     prepared by management of Select Therapeutics Inc. ("Select") for inclusion
     in the Form  10-SB  registration  document  filed  with the  United  States
     Securities and Exchange Commission relating to the acquisition by Select of
     Sierra  Diagnostics,  Inc.  ("Sierra")  on November 2, 1998.  The pro forma
     consolidated  financial  statement  has been  prepared in  accordance  with
     generally accepted accounting principles to reflect the transaction.

     The pro  forma  consolidated  statement  of  operations  should  be read in
     conjunction  with the  audited  financial  statements  of Select and Sierra
     included elsewhere in the document.

     The pro forma consolidated  statement of operations for the year ended June
     30,  1999  has  been  compiled  from  the  audited  consolidated  financial
     statements  of Select as at and for the year  ended  June 30,  1999 and the
     audited  results of Sierra for the period from  January 1, 1998 to November
     2, 1998, date of acquisition.

     The pro  forma  consolidated  statement  of  operations  assumes  that  the
     transaction was effective July 1, 1998.

     The  pro  forma  consolidated  financial  statement  does  not  purport  to
     represent  the  results of  operations  that might  have  occurred  had the
     transaction  actually  taken  place on the date  indicated  or  results  of
     operations  of Select or Sierra  as at or for any  future  date or  period.
     Further,  the historical results of operations provide no indication of the
     future performance of Select or Sierra.

2.   Acquisition of Sierra:

     Pursuant to an agreement  between Select and Sierra dated October 19, 1998,
     Select  has  acquired  100% of the  issued and  outstanding  common  shares
     effective November 2, 1998 of Sierra for consideration of $747,997, settled
     through the issuance of 219,999 common shares of Select,  with a fair value
     of $3.40 per share. Costs relating to the acquisition totalled $33,000.



                                       2
<PAGE>



SELECT THERAPEUTICS INC.
Notes to Pro forma Consolidated Statement of Operations
(Stated in U.S. dollars)

Year ended June 30, 1999
(Unaudited)

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


2.   Acquisition of Sierra (continued):

     The  acquisition  has been accounted for using the purchase  method and the
     purchase  price of $780,997 has been  allocated to the assets  acquired and
     the  liabilities  assumed  using  the  estimates  of their  fair  values as
     follows:

     ==========================================================================
                                Book value,
                                November 2,       Fair value
                                       1998      adjustments         Fair value
     --------------------------------------------------------------------------

     Current assets               $  36,230      $         -        $    36,230
     Amount receivable                    -          100,000            100,000
     Acquired license                     -          150,000            150,000
     Goodwill                             -          923,747            923,747
     Other assets                    69,769                -             69,769
     --------------------------------------------------------------------------
                                    105,999        1,173,747          1,279,746

     Current liabilities           (187,750)         (25,000)          (212,750)
     Long-term liabilities         (285,999)               -           (285,999)
     --------------------------------------------------------------------------
                                   (473,749)         (25,000)          (498,749)

     --------------------------------------------------------------------------
                                 $ (367,750)     $ 1,148,747        $   780,997
     ==========================================================================


     Goodwill  arising on the transaction is being amortized over five years and
     the acquired license is being amortized over two years.

3.   Pro forma adjustments:

     The pro forma consolidated  financial  statement  incorporate the following
     adjustments:

     (a)  To remove the results of Sierra from  January 1, 1998 to June 30, 1998
          to reflect the assumption that the acquisition of Sierra was effective
          July 1, 1998.

     (b)  To  record  the  amortization  for the  period  from  July 1,  1998 to
          November 2, 1998 of goodwill and acquired  license contract arising on
          the   acquisition   by  Select  of  Sierra  of  $61,583  and  $25,000,
          respectively.



                                       3
<PAGE>


Item 14.  Changes  In and  Disagreements  with  Accountants  on  Accounting  and
          Financial Disclosure.

          None.


Item 15.  Financial Statements and Exhibits.

          (a) Financial Statements Filed

          INDEPENDENT AUDITORS' REPORT

          CONSOLIDATED  BALANCE  SHEETS  AS  OF  JUNE  30,  1999  AND  1998  AND
          CONSOLIDATED  STATEMENTS  OF  OPERATIONS,  CASH FLOWS,  AND CHANGES IN
          SHAREHOLDERS'  EQUITY FOR EACH OF THE TWELVE MONTHS THEN ENDED AND THE
          PERIOD FROM DECEMBER 6, 1996 (DATE OF INCEPTION), TO JUNE 30 1997.

          NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

          INDEPENDENT AUDITORS' REPORT

          SIERRA  DIAGNOSTICS,  INC.  BALANCE  SHEET AS OF  NOVEMBER 2, 1998 AND
          STATEMENTS OF  OPERATIONS,  CASH FLOWS,  AND CHANGES IN  SHAREHOLDERS'
          DEFICIENCY FOR THE PERIOD FROM JANUARY 1, 1998 TO NOVEMBER 2, 1998.

          NOTES TO FINANCIAL STATEMENTS

          UNAUDITED PRO FORMA CONSOLIDATED  STATEMENT OF OPERATIONS FOR THE YEAR
          ENDED JUNE 30, 1999

          NOTES TO PRO FORMA CONSOLIDATED STATEMENT OF OPERATIONS

          (b) Exhibits Filed

               2.   Stock  Purchase  Agreement with the  shareholders  of Sierra
                    Diagnostics, Inc. dated October 19, 1998

               3.1  Restated Certificate of Incorporation

               3.2  By-Laws

               10.1 License  Agreement,  dated September 1, 1993, between Temple
                    University and Sierra Diagnostics, Inc.

               10.2 Contract   4004293,   effective   10/27/98   between  Sierra
                    Diagnostics, Inc. and State of Alabama


                                      -38-

<PAGE>


               10.3 Lease Agreement  dated July 1, 1999,  between H&H Properties
                    and Sierra Diagnostics, Inc.

               10.4 Consulting  Agreement with Robert Bender Consulting Limited,
                    dated January 1, 1999

               10.5 Consulting Agreement with Craig Sibley dated January 1, 1999

               10.6 Consulting  Agreement with Clifford Lingwood,  dated January
                    1, 1999

               10.7 Consulting  Agreement with Allan Green,  M.D., J.D., Ph.D.,
                    dated January 1, 1999

               11.  Statement re: Computation of per share earnings

               21.  Subsidiaries

               27.  Financial Data Schedule


                                      -39-
<PAGE>


                                   SIGNATURES

     In accordance  with Section 12 of the Securities  Exchange Act of 1934, the
registrant caused this registration  statement to be signed on its behalf by the
undersigned, thereunto duly authorized.

                                              SELECT THERAPEUTICS INC.
                                                    (Registrant)

                                              Date: September 16, 1999


                                              By:  /s/ Robert Bender
                                                   -----------------
                                                  Name:  Robert Bender
                                                  Title: Chairman of the Board

                                  -40-


EXHIBIT 2





                                    AGREEMENT

                          dated as of October 19, 1998

                                  by and among


                            Select Therapeutics Inc.

                                       and

                               the Stockholders of

                            Sierra Diagnostics, Inc.


<PAGE>

     AGREEMENT  (the  "Agreement")  dated as of October 19,  1998 (the  "Closing
Date") by and  between  SELECT  THERAPEUTICS  INC.  ("Select"),  and the persons
listed on Exhibit A hereto (collectively, the "Stockholders").

     WHEREAS, (i) Select is a corporation  organized and existing under the laws
of the  State  of  Delaware;  (ii)  SIERRA  DIAGNOSTICS,  INC.  ("Sierra")  is a
corporation organized and existing under the laws of the State of California and
(iii)  TONY K.  BAKER  ("Baker")  is an  executive  officer  and  the  principal
stockholder of Sierra; and

     WHEREAS,  the  Stockholders  wish to sell to Select,  and Select  wishes to
purchase from the Stockholders,  all of the issued and outstanding capital stock
of  Sierra   upon  the  terms  and   conditions   hereinafter   set  forth  (the
"Acquisition"); and

     WHEREAS,  the respective  parties  desire to make certain  representations,
warranties and agreements in connection with the Acquisition.

     NOW,  THEREFORE,  in consideration of the foregoing,  the  representations,
warranties,  covenants and  agreements  set forth herein and such other good and
valuable  consideration,   the  receipt  and  sufficiency  of  which  is  hereby
acknowledged, the parties hereto, intending to be legally bound hereby, agree as
follows:

     Article I. Sale and Purchase of Sierra Shares.

     1.1 Sale of Sierra Shares. Each Stockholder does hereby sell and deliver to
Select, and Select does hereby purchase from



<PAGE>

each  Stockholder,  the number of shares of Sierra  common  stock  owned by such
Stockholder as set forth on Exhibit A hereto (the "Sierra Shares") by delivering
to Sierra stock  certificates  representing his Sierra Shares,  accompanied by a
stock  power  executed  by  such  Stockholder,   with  his  signature  Medallion
Guaranteed,  together with all applicable  stock transfer tax stamps relative to
said certificates.

     1.2 Payment of Purchase Price.  Simultaneous with its receipt of all of the
Sierra Shares from the Stockholders,  Select hereby delivers to each Stockholder
that number of shares of Select  common  stock (the  "Select  Shares") set forth
opposite his name on Exhibit A (collectively, the "Purchase Price").

     Article II. Representations,  Warranties, Covenants, and Acknowledgments of
Stockholders.  Each Stockholder severally (but not jointly) represents, warrants
covenants, acknowledges and agrees as follows:

     2.1 Investment. Such Stockholder is acquiring the Select Shares for his own
account,  and not for the  account  of any other  person.  Such  Stockholder  is
acquiring the Select Shares for investment  and not with a view to  distribution
or resale thereof except in compliance  with  applicable laws regarding the sale
of securities.

                                       -2-

<PAGE>

     2.2 Business  Experience.  Such  Stockholder  is capable of evaluating  the
merits and risks of his  investment  in Select by  acquiring  the Select  Shares
pursuant to this Agreement.

     2.3 Access to Information.  Such Stockholder has had the opportunity to ask
questions  of, and to receive  answers  from,  Robert  Bender,  the  Chairman of
Select,   with  respect  to  the  terms  and  conditions  of  the   transactions
contemplated  by this  Agreement  and with  respect  to the  business,  affairs,
financial  condition,  results  and  prospects  of  operations  of Select.  Such
Stockholder  has received from Sierra's  counsel and has read Select's April 15,
1998 Offering Materials (comprising a Subscription  Agreement,  Risk Factors and
Select's  Consolidated June 30, 1997 (audited) and December 31, 1997 (unaudited)
Financial  Statements,  pursuant to which Select sold  762,534  shares of Common
Stock  not  registered  under  the  Securities  Act of  1933,  as  amended  (the
"Securities  Act"),  at a price of $3.00 each) and Select's  press release dated
June  11,  1998  (re:  Institut  Curie  Agreement)  and has had  access  to such
financial  and other  information  as he has deemed  necessary for him to make a
fully-informed  decision to invest in Select by acquiring Select Shares pursuant
to this  Agreement;  and he has had the  opportunity  to obtain  any  additional
information  necessary  to verify  any of such  information  to which he has had
access.

     2.4  Speculative  Investment.  Such  Stockholder's  investment in Select by
acquiring the Select Shares pursuant to

                                       -3-

<PAGE>

this  Agreement is highly  speculative in nature and is subject to a high degree
of  risk of loss in  whole  or in  part.  The  amount  of such  potential  total
investment  loss is within such  Stockholder's  risk capital means and is not so
great in relation to his total financial resources as to jeopardize his personal
financial  needs or those of his family in the event such  investment were to be
lost in whole.

     2.5 Select Shares  Unregistered.  Such  Stockholder  must bear the economic
risk of his  investment in the Select  Shares for an indefinite  period of time,
because the Select  Shares being issued to him pursuant to this  Agreement  have
not been registered under the Securities Act and therefore such Shares cannot be
sold or  otherwise  transferred  by such  Stockholder  unless  such  Shares  are
registered  under the Securities Act or an exemption from such  registration  is
available.  None  of  Select  nor  any of its  officers,  employees,  agents  or
representatives  has made any agreements,  covenants or undertakings  whatsoever
either (i) to register the Select Shares,  or any of them, or (ii) except as set
forth in Section  7.14(b) as to whether any exemption will be available from the
registration  requirements  of the  Securities  Act for the  future  sale of any
Select  Shares,  including  without  limitation for sales thereof under Rule 144
promulgated  under the Securities Act. Such  Stockholder  acknowledges  that the
exemption  under Rule 144 as currently in effect would not be available until at
least one year after the Closing Date and not then unless: (i) a public trading

                                       -4-

<PAGE>

market then exists for Select's Common Stock; (ii) adequate current  information
as to Select's  financial and other affairs and  operations is then available to
the public; and (iii) all other applicable terms and conditions of Rule 144 have
been satisfied by Select and such Stockholder.

     2.6. Stock Certificate  Restrictive Legend.  Stock certificates  evidencing
the Select Shares shall bear a restrictive  legend for securities not registered
under the Securities Act, substantially as follows:

              THE OFFERING AND SALE OF THE  SECURITIES  REPRESENTED
              HEREBY HAVE NOT BEEN REGISTERED  UNDER THE SECURITIES
              ACT OF 1993  ("SECURITIES  ACT") OR UNDER  ANY  STATE
              SECURITIES  ACT ("STATE  ACT").  ANY TRANSFER OF SUCH
              SECURITIES  WILL BE  INVALID  UNLESS  A  REGISTRATION
              STATEMENT UNDER THE SECURITIES ACT IS IN EFFECT AS TO
              SUCH  TRANSFER  OR IN THE  OPINION OF COUNSEL FOR THE
              ISSUER SUCH  REGISTRATION IS UNNECESSARY IN ORDER FOR
              SUCH TRANSFER TO COMPLY WITH THE  SECURITIES  ACT AND
              THE STATE ACT.

     2.7   Questionnaire.   Such   Stockholder  has  truthfully   completed  the
Questionnaire in the form of Exhibit 2.7 hereof.

     2.8 Tax Advice.  Select has made no warranties or  representations  to such
Stockholder  with  respect to the income tax  consequences  of the  transactions
contemplated  by this Agreement and such  Stockholder is in no manner relying on
Select or Sierra or their respective  representatives  for an assessment of such
tax consequences.

     2.9 Authorization.

                                       -5-

<PAGE>

(a) Such  Stockholder  has full power and authority and legal  capacity to enter
into this Agreement and to perform this Agreement in accordance  with its terms;
and  the  execution,   delivery  and  performance  of  this  Agreement  by  such
Stockholder has been duly authorized by all necessary corporate or other action.
Such  Stockholder is not bound by any contractual or other obligation that would
be  violated  by his  execution  and  performance  of this  Agreement;  and this
Agreement is a valid and binding  obligation of such Stockholder  enforceable in
accordance with its terms.

     (b)  Neither  the  execution  and  delivery  of  this   Agreement  nor  the
consummation by such Stockholder of any of the transactions  contemplated herein
nor  compliance by such  Stockholder  with the terms,  conditions and provisions
hereof or of any agreement or instrument  contemplated  hereby will (i) conflict
with,  result in a breach of, or  constitute  an event of default  under (1) any
material instrument,  agreement,  lease,  license,  franchise,  permit, or other
authorization,  right, or obligation to which such Stockholder is a party or any
of his  properties  is subject or by which they are bound,  or (2) any  statute,
ordinance, rule, regulation, judgment, order, award or decree applicable to such
Stockholder,  or (ii) require the approval,  consent or authorization of, or the
making of any declaration,  filing or registration  with, any third party or any
foreign,  federal,  state or local court,  governmental  authority or regulatory
body.

                                       -6-

<PAGE>

     2.10 Ownership of Sierra's Shares. Such Stockholder is the record owner and
the beneficial  owner of the capital stock of Sierra set forth opposite his name
on Exhibit A. Such  Stockholder  owns his  Sierra  Shares  free and clear of all
liens  and  encumbrances,  and he has the full and  complete  right and power to
dispose of his Sierra  Shares in  accordance  with the terms of this  Agreement.
Such Stockholder will transfer his Sierra Shares to Select free and clear of all
liens and  encumbrances.  There are no  existing  arrangements  that  require or
permit  any  of  such  Stockholder's  Sierra  Shares  to be  voted  by or at the
discretion of anyone other than such Stockholder.

     2.11  Confidentiality.  Such  Stockholder,  if  he  has  not  executed  and
delivered to Sierra a Proprietary  Information  Agreement in the form of Exhibit
3.13 hereto,  agrees to maintain as confidential and not use for his own benefit
or for the benefit of any third party, all material information and knowledge of
Sierra not  generally  known or  available  to the  public,  including,  without
limitation,  its  business,  affairs,  research and  development,  strategic and
operating plans, products and prospects (the "Confidential Information"), except
(i) with respect to those governmental  agencies to which disclosure is required
by law or applicable  regulation,  (ii) pursuant to subpoena or other compulsory
process,  or (iii) as may otherwise be required by law. In the event  disclosure
of  Confidential  Information  is required under  subsections  (i) through (iii)
above, such Stockholder will,

                                      -7-

<PAGE>

to the  extent  lawfully  possible,  give  Select at least  five (5) days  prior
written  notice before his disclosure and will provide Select with copies of any
responsive materials.

     2.12  Non-Solicitation.  (a) For a period of three  years after the Closing
Date such  Stockholder will not either directly or indirectly for himself or any
third party, (a) solicit,  induce,  recruit,  or cause any person who was, is or
hereafter  becomes an employee of Sierra to  terminate  his  employment  for the
purpose of joining, associating or becoming employed by any business or activity
(i) which is in  competition  with any product sold, or any business or activity
now or  hereafter  engaged  in,  by  Sierra  or  Select  or (ii) in  which  such
Stockholder  is an  officer  or  director  or  directly  or  indirectly  has any
ownership interest or to which he provides any services or (b) interfere or harm
the contractual or business  relationships  of Sierra or Select with any person,
firm or entity  which was,  is or  hereafter  becomes a  licensor,  licensee  or
independent contractor of Sierra or Select.

     2.13  Release of Sierra.  (a) As a material  inducement  to Select to enter
into this Agreement and deliver the Select Shares  hereunder,  such  Shareholder
hereby irrevocably and unconditionally releases, acquits, and forever discharges
Sierra and each of its stockholders,  predecessors, successors, assigns, agents,
directors,  officers,  employees,   representatives,   attorneys,  subsidiaries,
affiliates (and agents, directors,  officers,  employees,  representatives,  and
attorneys of such divisions, subsidiaries, and

                                       -8-

<PAGE>

affiliates),  and all persons acting by, through,  under, or in concert with any
of them (Sierra and each of its stockholders,  etc. are collectively the "Sierra
Releasees"),  or any of them,  from  any and all  charges,  complaints,  claims,
liabilities, obligations, promises, agreements, controversies, damages, actions,
causes of action,  suits,  rights,  demands,  costs,  losses, debts and expenses
which such Stockholder now has, owns, or holds, or claims to have, own, or hold,
or which he at any time  heretofore had, owned, or held, or claimed to have, own
or hold, or which he at any time  hereafter may have,  own, or hold, or claim to
have, own, or hold,  against each or any of the Sierra Releasees with respect to
any  events  which  occurred  prior  to the  date of this  Agreement;  provided,
however,  that the  foregoing  shall  in no event  apply,  with  respect  to any
Stockholder who is also an officer, director or employee of Sierra, to claims by
the Stockholder (i) relating to vested rights under any Sierra employee  benefit
plans to which such  Stockholder  was  entitled  as of the  Closing  Date,  (ii)
relating to medical or health  insurance  coverage to which such Stockholder was
entitled as of the Closing Date, including COBRA benefits,  (iii) arising from a
failure  on the  part of  Sierra  to make  and pay  any  required  employee  tax
withholdings  for periods of  employment  prior to the Closing Date, or (iv) for
which Sierra would otherwise have an indemnity  obligation  under applicable law
to such  Stockholder  with  respect to third party  claims  brought  against the
Stockholder for matters relating to the performance (or nonperformance) of the

                                       -9-

<PAGE>

Stockholder's duties as an employee of Sierra prior to the Closing Date.

     (b) For the  purposes  of  implementing  a full and  complete  release  and
discharge of the Sierra Releasees,  such Stockholder expressly acknowledges that
this  Agreement is intended to include in its effect,  without  limitation,  all
claims, other than those for indemnification,  which he does not know or suspect
to exist in his favor as of the date of this Agreement,  and that this Agreement
contemplates the extinguishment of any such claim or claims.

     (c) The foregoing  provisions  of Section  2.13(a) and (b) shall not in any
way be construed as any claim or  admission by any Sierra  Releasee  that Sierra
has acted wrongfully with respect to such Stockholder or to any other person, or
that such Stockholder has any rights whatsoever against Sierra.

     Article III.  Representations and Warranties of Baker. Baker represents and
warrants to Select as follows:

     3.1 Corporate Organization. Sierra is a corporation duly organized, validly
existing and in good standing  under the laws of the State of California  and is
duly  authorized to carry on its business where and as now conducted and to own,
lease and operate its properties and assets as it now does.  Sierra is qualified
or licensed to do business as a foreign corporation, and is in good standing, in
each  jurisdiction  in which the nature of the  business  conducted by it or its
ownership or leasing of the

                                      -10-

<PAGE>

properties  owned or leased by it requires such  qualification  or licensing and
where the failure to be so qualified or licensed  would have a material  adverse
effect on Sierra.  The copies of the certificate of incorporation and by-laws of
Sierra that have been  delivered  to Select are  complete  and correct as of the
date of this Agreement,  and the duplicate  minute book of Sierra which has been
furnished to Select is complete and accurately  reflects all material actions or
consents  to action  taken prior to the date of this  Agreement  by the Board of
Directors and stockholders of Sierra.

     3.2 Authorization.

(a) Sierra is not bound by any  contractual  or other  obligation  that would be
violated  by the  execution,  delivery,  consummation  and  performance  of this
Agreement.

     (b)  Neither  the  execution  and  delivery  of  this   Agreement  nor  the
consummation of any of the transactions contemplated herein, nor the performance
of the terms, conditions and provisions hereof or of any agreement or instrument
contemplated  hereby,  will  (i)  conflict  with,  result  in a  breach  of,  or
constitute an event of default under (1) the  certificate  of  incorporation  or
by-laws of Sierra,  (2) any  material  instrument,  agreement,  lease,  license,
franchise, permit, or other authorization,  right, or obligation to which Sierra
is a party or any of its properties is subject or by which and is bound,  or (3)
any statute, ordinance, rule, regulation, judgment, order, award or

                                      -11-

<PAGE>

decree  applicable  to  Sierra,  or  (ii)  require  the  approval,   consent  or
authorization of, or the making of any declaration, filing or registration with,
any third party or any  foreign,  federal,  state or local  court,  governmental
authority or regulatory body.

     3.3 Capitalization. The authorized, issued and outstanding capital stock of
Sierra is as set forth on Schedule 3.3. All the issued and outstanding shares of
Sierra were duly authorized for issuance and are validly issued,  fully-paid and
non-assessable,  have not been issued in violation of the  preemptive  rights of
any Sierra  stockholder  and were issued in full compliance with all federal and
state  securities  laws.  All prior  sales of  securities  of Sierra were either
registered  under the  Securities Act and applicable  state  securities  laws or
exempt from such  registration,  and no Stockholder or other security holder has
any  rescission   rights  with  respect   thereto.   There  are  no  outstanding
subscriptions, options, warrants, agreements, convertible securities, preemptive
or other rights, calls, commitments or other rights or agreements of any kind to
subscribe  for,  purchase or  otherwise  acquire any issued or unissued  capital
stock or equity interests of Sierra. Sierra is not obligated to purchase, redeem
or otherwise acquire any securities of Sierra or of any other person or entity.

     3.4  Subsidiaries.  Sierra does not own any capital stock or other interest
in any corporation or other business entity.

                                      -12-

<PAGE>

     3.5 Joint Ventures. For purposes of this Agreement, a "Joint Venture" means
an entity in which  Sierra,  either  jointly or  individually,  is,  directly or
indirectly,  the beneficial  owner of any class of capital stock or other equity
security or any profit  participation  interest.  Sierra is not a participant in
any Joint Venture.

     3.6 Financial  Statements.  The following  financial  statements of Sierra,
which are set forth on Schedule 3.6, have been prepared in United States Dollars
and present fairly the financial  condition of Sierra at the dates indicated and
the consolidated results of its operations for the periods indicated:

          (a)  balance  sheets of Sierra as at  December  31,  1997 and June 30,
     1998; and

          (b) the  liabilities of Sierra existing as of the Closing Date are set
     forth on Schedule  3.6.  Baker  represents  and warrants  that Schedule 3.6
     contains  a  true  and  complete  list  as  of  the  Closing  Date  of  all
     indebtedness  or  liabilities  of Sierra of every  nature and  description,
     absolute, contingent or otherwise, except for (i) costs related to employee
     compensation  accrued on or after October __, 1998 in the ordinary  course,
     (ii)  legal fees and  expenses  of the  Stockholders  to be borne by Sierra
     pursuant  to  Section  7.2  hereof   relating   to  the   negotiation   and
     documentation of this Agreement and (iii)  miscellaneous items ordered from
     vendors and not yet invoiced or other  amounts not  exceeding  $5,000.00 in
     the aggregate.

                                      -13-

<PAGE>

     3.7 Absence of  Undisclosed  Liabilities;  Books of Account.  Except to the
extent fully reflected in Schedule 3.6, Sierra has no liabilities of any nature,
whether accrued, absolute,  contingent or otherwise,  including, but not limited
to, any tax or other liabilities of any nature that were unknown or undetermined
as of the Closing Date.  There is no basis for the assertion  against  Sierra of
any  liability  of any  nature as of the  Closing  Date not fully  reflected  in
Schedule 3.6 except those  expressly  permitted by Section  3.6(b)  hereof to be
omitted  therefrom.  All the books of account of Sierra have been  exhibited  or
made  available to Select and  accurately  record all material  transactions  of
Sierra during the periods covered by them.

     3.8 Absence of Certain Changes. Since June 30, 1998 and except as disclosed
on Schedule  3.8,  Sierra has operated  its business in the ordinary  course and
consistent  with past  practices  and there  has not been any  material  adverse
change in the consolidated  financial condition of Sierra, results of operations
or businesses of Sierra, and it has not taken any of the following actions which
individually or in the aggregate involved more than US$5,000:

(a) entered into any  transaction or incurred any liability or obligation  other
than in the ordinary course of its business;

     (b)  made  any  declaration,  set  aside  or paid  any  dividend  or  other
distribution in respect of any shares of capital

                                      -14-

<PAGE>

stock of Sierra,  nor purchased,  redeemed or otherwise acquired any outstanding
shares of capital stock or other securities of, or other ownership interests in,
Sierra;

     (c) paid any dividends or made any other distributions on, or acquired, any
shares of its capital stock or, directly or indirectly,  made any other payments
or  loans of any  kind to the  Stockholder,  except  compensation  for  services
rendered  and  reimbursement  for  expenses  in  amounts  consistent  with  past
practices;

     (d) incurred any  indebtedness  for borrowed  money,  other than short term
borrowing in the ordinary  course of business;

     (e) issued any capital  stock or other  securities,  granted any options or
agreed  to any  amendment  of  any  material  term  of  any  outstanding  Sierra
securities;

     (f)  sustained  any material  damage,  destruction  or other  casualty loss
(whether  or not  covered by  insurance)  affecting  the  business  or assets of
Sierra;

     (g) made any  material  change in any method of  accounting  or  accounting
practice;

     (h) (1) granted any  severance  or  termination  pay to, or  increased  any
compensation,  bonus or other  benefits  payable to, or entered into any written
employment,  deferred  compensation or other similar agreement (or any amendment
to any such existing  agreement) with, any officer or director of Sierra, or any
other employee of Sierra whose 1998 base annual salary exceeded $50,000,

                                      -15-

<PAGE>

or (2) increased any benefit payable under any existing severance or termination
pay  policies or  employment  agreements;  or (3) granted or agreed to grant any
general  increase  in any rate or  rates  of  salaries  or  compensation  to its
employees or any specific increase in the salary or compensation to any employee
or agent,  or paid or agreed to pay any bonus to any  employee of Sierra,  other
than in the ordinary course of business.

     3.9  Ownership  of  Properties.  Sierra  does  not own any real  estate  or
interest  therein  other  than a  leasehold  interest  in  property  in  Sonora,
California identified on Schedule 3.16. Sierra owns outright,  free and clear of
any claim, lien, security interest, pledge, restriction,  charge or encumbrance,
all leasehold  improvements,  equipment,  inventory and other personal  property
used in its business or presently located in any of its premises, except for the
lien,  if any,  of current  taxes not yet due and  payable  (the lien of Scherer
Capital  Associates under the Security  Agreement dated November 26, 1996 having
been  extinguished  by  virtue  of  Sierra's  satisfaction  in  full  of all its
obligations thereto and its receipt therefrom of a General Release). Sierra does
not use or  lease  any  property  that is  owned  by any  officer,  director  or
affiliate of Sierra or any relative of any thereof.

     3.10 Real  Property and Other  Leases.  All leases of real property and all
material leases of other property, and amendments and modifications thereof, are
in full force and effect and have not been  modified or amended in any  material
respect, all rents and

                                      -16-

<PAGE>

additional  rents due to date under  each such lease have been paid,  Sierra has
been in peaceable possession since the commencement of the original term of such
lease,  and Sierra does not have any knowledge of an uncured  default under such
leases by  Sierra or by the  lessor  under any of such  leases  nor of any event
which with notice or lapse of time or both would constitute a default thereunder
by Sierra.

     3.11  Inventory.  All of the inventory of Sierra is carried on its books at
cost (on the basis of FIFO and average cost).

     3.12 Machinery and Equipment.  All machinery and equipment  owned or leased
by Sierra is in good operating condition, normal wear and tear excepted, and the
use  thereof is in  material  conformance  with all  applicable  ordinances  and
regulations, and all building, zoning and other laws.

     3.13 Intellectual Property.

     (a) Schedule 3.13 contains a true and complete list of all patents  issued,
assigned to or licensed by, and trademarks registered to, Sierra and all pending
applications  therefor  (the  "Scheduled  IP").  Except  as set  forth  on  said
Schedule,  Sierra owns or has an exclusive right or license to use the Scheduled
IP free and clear of all liens and  encumbrances.  No consent of any third party
is or will be required  for the use by Select of any of the  Scheduled IP or the
transfer  of  Sierra's  rights  therein to  Select.  Except as set forth on said
Schedule, Sierra is not obligated to

                                      -17-

<PAGE>

pay any  royalties or fees with respect to the  Scheduled IP. Said Schedule also
contains  a  true  and  complete  list  of  all  licenses  of or  rights  to any
intellectual property rights granted by Sierra to others.

     (b) Except as may be  disclosed  in the Gonostat  Trademark  Search  Report
dated September 1, 1993,  Sierra does not have knowledge of any  infringement by
it upon the patents,  trademarks,  trade names,  service  marks,  trade secrets,
copyrights  or other  intellectual  property  rights of  others.  Sierra has not
received  any notice of, nor has it been a defendant  or  plaintiff in any suit,
action or proceeding  which involves,  any claim that Sierra has infringed or is
infringing  any  intellectual  property  rights of others.  Sierra has taken all
measures as it has deemed  necessary and  appropriate  in the  circumstances  to
maintain  the  confidentiality  of  the  process  and  formulae,   research  and
development  results and other know-how of Sierra.  Sierra has obtained from its
current employees and consultants written confidentiality agreements in the form
of the Proprietary Information Agreement attached hereto as Exhibit 3.13.

     3.14 Accounts  Receivable.  All of the accounts  receivable of Sierra arose
from bona fide transactions in the ordinary course of business,  and, to Baker's
knowledge, none is subject to any defense, set-off or counterclaim.

     3.15 Taxes.

                                      -18-

<PAGE>

     (a) For the  purposes  of this  Agreement,  "Tax"  (and,  with  correlative
meaning,  "Taxes" and  "Taxable")  means,  for any  entity,  (i) any net income,
alternative or add-on minimum tax, gross income, gross receipts,  sales, use, ad
valorem, transfer,  franchise,  profits, license, withholding on amounts paid to
or by such  entity  or any  subsidiary  thereof,  payroll,  employment,  excise,
severance, stamp, occupation, property, environmental or windfall profit tax, or
other  tax,  together  with any  interest  or any  penalty,  addition  to tax or
additional  amount imposed by any  governmental  authority  responsible  for the
imposition  of any such tax  (domestic or foreign) (a "Taxing  Authority"),  and
(ii) liability of such entity or any  subsidiary  thereof for the payment of any
amounts  of the  type  described  in (i) as a result  of  being a  member  of an
affiliated,  consolidated, combined or unitary group for any taxable period, and
(iii) liability of such entity or any subsidiary  thereof for the payment of any
amounts of the type  described in clauses (i) or (ii) as a result of any express
or implied obligation to indemnify any other person.

     (b) Except as set forth in Schedule 3.15:

          (i)  all  Tax  returns,  statements,   reports  and  forms  (including
     estimated  Tax returns and reports  and  information  returns and  reports)
     required to be filed with any Taxing  Authority with respect to any Taxable
     period  ending on or before the Closing Date by or on behalf of Sierra (the
     "Sierra Tax Returns"), have been or will be filed when due (subject to

                                      -19-

<PAGE>

     any  extensions of such due date) and, to Sierra's  knowledge,  each Sierra
     Tax Return is materially correct and complete as filed;

          (ii) Sierra has timely paid,  withheld or made  provision on its books
     for all Taxes shown as due and payable on Sierra Tax Returns that have been
     filed, except that payroll taxes were, in some instances, paid late but are
     currently paid when due with no outstanding delinquency;

          (iii) no Sierra Tax  Returns  relating  to income or  franchise  Taxes
     filed  with  respect  any  Taxable  years of Sierra  has been  examined  by
     appropriate income tax authorities;

          (iv) Sierra has not granted any extension or waiver of the  limitation
     period applicable to any Sierra Tax Returns;

          (v)  there  is  no  claim,  audit,   action,  suit,   proceeding,   or
     investigation  now pending or  threatened  in a writing  received by Sierra
     against or with respect to Sierra in respect of any Tax or assessment;

          (vi) there are no  requests  for rulings in respect of any Tax pending
     between Sierra and any Taxing Authority;

          (vii)  there are no liens for Taxes upon the  assets of Sierra  except
     liens for current Taxes not yet due;

          (viii) to Baker's knowledge and except for the effect of a change from
     cash to accrual  method  reporting  as may be  required  as a result of the
     transactions contemplated by this Agreement, Sierra will not be required to
     include any

                                      -20-

<PAGE>

     adjustment in Taxable income for any Tax period (or portion thereof) ending
     after the Closing Date as a result of a change in method of accounting  for
     any Tax period (or portion thereof) ending on or before the Closing Date or
     pursuant to the  provisions of any  agreement  entered into with any Taxing
     Authority with regard to the Tax liability of Sierra for any Tax period (or
     portion thereof) ending on or before the Closing Date;

          (ix)  Sierra has not been a member of an  affiliated  group other than
     one of which Sierra was the common  parent,  or filed or been included in a
     combined,  consolidated  or  unitary  Tax  return  other  than one filed by
     Sierra, or a return for a group consisting  solely of its predecessors,  or
     participated in any other similar arrangement whereby any income, revenues,
     receipts, gains, losses,  deductions,  credits or other Tax items of Sierra
     was  determined or taken into account for Tax purposes with reference to or
     in  conjunction  with any such items of another person other than Sierra or
     any such predecessor;

          (x) Sierra is not currently under any contractual obligation to pay to
     a Taxing  Authority  the income or franchise  tax  obligations  of, or with
     respect to  transactions  relating to, any other person or to indemnify any
     other person with respect to any income or franchise tax; and

                                      -21-

<PAGE>

          (xi) Sierra has not signed any letter or entered into any agreement or
     arrangement  in  writing  consenting  to the  surrender  or  sharing of any
     deductions,  credits  or other  Tax  attributes  with any  other  person or
     transferred  or  assigned  to any other  person for Tax  purposes  any such
     items.

     3.16 Agreements,  etc.  Schedule 3.16 contains a true and complete list of:
(a) all material  agreements and other commitments of Sierra for the purchase of
any materials,  supplies or inventory;  (b) all notes and agreements relating to
any outstanding  indebtedness  of Sierra for borrowed  money,  (c) all leases or
other rental agreements under which Sierra is either lessor or lessee which call
for annual  lease  payments  in excess of US$5,000  individually,  (d) all other
agreements (including,  but not limited to, employment  agreements,  commitments
and  understandings,  written or oral) to which Sierra is a party or by which it
or its assets or  properties  is bound which  require  payment by Sierra of more
than  US$5,000 in any calendar  year and which cannot be  terminated  by Sierra,
without liability,  on notice of 30 days or less, and (e) all product liability,
fire,  commercial  and other  insurance  carried by Sierra  with  respect to its
business  and  properties.  Except  as set  forth  on such  Schedule,  all  such
scheduled  documents,  commitments and understandings of Sierra (including,  but
not limited to,  commitments for the purchase of inventory) were entered into in
the ordinary course of business and were entered into on an arm's-length  basis.
True and complete copies of all scheduled

                                      -22-

<PAGE>

documents, commitments and understandings have been delivered to Select.

     3.17 Agreements Regarding Employees.  (a) Sierra is not a party to or bound
by any  employment  agreement,  or any  collective  bargaining  or  other  labor
agreement, or any pension,  retirement,  stock option, stock purchase,  savings,
profit  sharing,  deferred  compensation,  retainer,  consultant,  bonus,  group
insurance or other incentive or welfare agreement, plan or arrangement,  written
or oral,  except as set forth on Schedule 3.17. True and complete copies of each
written  agreement,  plan or  arrangement  listed  on  Schedule  3.17  have been
delivered to Select.

     (b) All officers and directors  have  resigned from Sierra  effective as of
the Closing  Date.  Sierra has not received  notice from Baker or Tom Krieg that
either intends to terminate his employment following the Closing Date.

     (c) Except as set forth on  Schedule  3.17,  Sierra does not  maintain  any
employee benefit plans.

     3.18 Absence of Defaults. Except as disclosed on Schedule 3.18, Sierra does
not have  knowledge  of any  material  existing  default by any party  under any
lease,  agreement,  commitment  or  understanding  to which Sierra is a party is
bound or by which it or to which its assets or properties are subject.

     3.19  Compliance  with Laws.  Sierra does not have  knowledge that it is in
violation of or has violated, in any material respect, any applicable provisions
of any laws, statutes,

                                      -23-

<PAGE>

ordinances or  regulations  or any term of any judgment,  decree,  injunction or
order binding against it.

     3.20 Compliance with Laws-Environmental.

(a) For purposes of this Section 3.20:

     "Hazardous  Material" shall mean any material or substance that, whether by
its nature or use, is now or  hereafter  defined as hazardous  waste,  hazardous
substance, pollutant or contaminant under any Environmental Law (defined below),
or which is toxic, explosive,  corrosive,  flammable,  infectious,  radioactive,
carcinogenic,  mutagenic  or otherwise  hazardous  and which is now or hereafter
regulated  under  any  Environmental  Law,  or which is or  contains  petroleum,
gasoline,  diesel fuel or another  petroleum  hydrocarbon  product,  lead paint,
asbestos, asbestos-containing materials or polychlorinated biphenyls;

     "Environmental  Laws" means those United States,  provincial or local laws,
statutes,  ordinances,  rules,  regulations,  orders and decrees  (including any
amendments  thereto)  relating to pollution or  protection  of the  environment,
including  laws  relating  to  emissions,  discharges,  releases  or  threatened
releases of Hazardous Materials, pollutants,  wastewater (other than non-contact
cooling or process water), or wastes constituting hazardous substances in, into,
onto or upon  the  environment  (including,  without  limitation,  ambient  air,
surface water,  groundwater,  or land), or otherwise relating to the processing,
distribution, use,

                                      -24-

<PAGE>

treatment, collection,  accumulation,  storage, disposal, transport, or handling
of Hazardous Materials.

     (b) The  operations of Sierra have been and are now in material  compliance
with all Environmental Laws. All approvals of government authorities required to
be held by Sierra  concerning the environment have been obtained,  are valid and
are in full  force and  effect,  have been and are  being  complied  with in all
material respects and there are no proceedings commenced or threatened to revoke
or amend any such approvals.  The business operations of Sierra have not and are
not now the subject of any remedial order (being any  administrative  complaint,
direction,  order or  sanction  issued,  filed or  imposed  by any  governmental
authority pursuant to any Environmental Laws). To Baker's knowledge,  no part of
any premises  occupied by Sierra in the  operation of its business has ever been
used as a landfill or for the disposal of waste or, except for the operations of
Sierra  conducted  in  material  compliance  with  Environmental  Laws,  for the
storage,  treatment or disposal of Hazardous  Material.  Sierra neither uses nor
stores in or on the premises occupied by it in the operation of its business any
Hazardous Material other than in material  compliance with  Environmental  Laws.
Sierra has no knowledge of any  Hazardous  Material in, on or under the premises
occupied by it in the  operation  of its  business  other than those used in the
ordinary course of Sierra's business.

                                      -25-

<PAGE>

     3.21 Regulatory and Product Matters.

     (a) Schedule 3.21(a) contains a true and complete list of (1) all Forms FDA
483,  "warning letters" from the U.S. Food and Drug  Administration  ("FDA") and
Field Alerts, as defined in the Federal Food, Drug, and Cosmetic Act, as amended
(the "FDA Act"),  received  by Sierra and (2) all  reports  filed by Sierra with
respect to adverse drug experiences relating to its products.

     (b)  Sierra  has not  received  any  notice  from the FDA or the U.S.  Drug
Enforcement  Administration  ("DEA")  that any of its  products is either (1) an
unapproved new drug or an  adulterated or misbranded  drug within the meaning of
the FDA Act or any other similar law, or (2) an article which may not,  pursuant
to the FDA Act, be introduced into interstate  commerce at the time of delivery.
As used above, "notice" includes (1) written  correspondence from the FDA or DEA
alleging the foregoing,  (2) an order or request from the FDA or DEA that Sierra
cease to market  any of its  products,  or (3) a lawsuit by the FDA or DEA filed
against any of its products or against Sierra or any of its officers,  directors
or employees alleging any of the foregoing.  True,  complete and accurate copies
of each such notice and other  written  correspondence,  if any, from the FDA in
which the FDA asserted that the business may not be in material  compliance with
the FDA Act, and Sierra's written response,  if any, thereto have been furnished
to Select. True, correct and complete copies of all

                                      -26-

<PAGE>

Forms FDA 483 and "warning letters",  if any, received by Sierra with respect to
its products have been furnished to Select.

     (c) To Sierra's knowledge,  Sierra has filed with the FDA and, if required,
the DEA, all reports required to be filed by Sierra with respect to adverse drug
experiences relating to its products (to the extent Sierra had knowledge of such
adverse drug  experiences) or shortages or unaccounted for amounts of controlled
substances  in connection  with its  products,  except where the failure to make
such filings could not  reasonably be expected to have,  individually  or in the
aggregate,  a material adverse effect on the ability of Select to sell after the
Closing Date the Sierra product to which the experience relates.

     (d) Except as set forth on Schedule 3.21(b):

          (1) Sierra has all product  licenses and  Establishment  Registrations
     necessary to manufacture  and market its products in the United States,  as
     listed  on such  Schedule.  All such  Product  Licenses  and  Establishment
     Registrations  are valid and in full force and effect,  and true,  complete
     and correct  copies  thereof,  including all  supplements,  amendments  and
     annual  and  periodic  reports  relating  to the  Products,  have been made
     available to Select.

          (2) Sierra has filed in a timely manner all annual reports required to
     be filed with the FDA and the DEA relating to Sierra's products.

                                      -27-

<PAGE>

     (e)  No  Sierra  product  has  been  recalled,   withdrawn,   suspended  or
discontinued by Sierra in the United States, and no action (whether completed or
pending) has been  commenced in or outside the United States of which Sierra has
knowledge  seeking the recall,  withdrawal,  suspension or seizure of any Sierra
products.

     (f)  As  to  each  Sierra  product  and  except  for  prior   instances  of
non-compliance  which have been  cured as of the  Closing  Date,  (i) Sierra has
complied  with 21 U.S.C.  Sections  355 and 357 and 21 C.F.R.  Parts  312,  314,
430-448, 452, 453, 455 and 460, as applicable; (ii) Sierra has complied with all
registration and listing  requirements set forth in 21 U.S.C. Section 360 and 21
C.F.R. Part 207, as applicable;  (iii) the manufacture,  labeling, packaging and
marketing is in compliance  with the FDA Act; (iv) it has been  manufactured  in
material compliance with the good manufacturing  practice  regulations set forth
in 21 C.F.R. Parts 210 and 211.

     (g) To Baker's  knowledge,  no Sierra employee has made an untrue statement
of a material  fact or  fraudulent  statement to the FDA or provided a basis for
the FDA to invoke its policy  respecting  "Fraud,  Untrue Statements of Material
Facts,  Bribery,  and  Illegal  Gratuities",  set  forth in 56 Fed.  Reg.  46191
(September 10, 1991).  Neither Sierra,  nor, to its knowledge,  any employee has
been convicted of any crime under the FDA Act or, to Sierra's knowledge, engaged
in any conduct for which debarment is mandated

                                      -28-

<PAGE>

by 21 U.S.C. Section 335(a) or authorized by 21 U.S.C. Section 335a(b).

     (h) All Drug  Master  Files  ("DMFs")  submitted  to the FDA by Sierra with
respect to its  products  are current and  accurately  represent in all material
respects Sierra's current manufacturing operations to the extent required by the
Act; and, to Sierra's  knowledge,  all persons  authorized to reference the DMFs
and the FDA have been  notified  of any  changes of  information  in the DMFs in
accordance with 21 C.F.R. Section 314.420(c).

     3.22 Principal Customers and Suppliers.

     (a)  Schedule  3.22(a)  contains  a true  and  complete  list of the top 10
purchasers  (by dollar volume) of Sierra's  products  during the 12 months ended
September 30, 1998 and the aggregate  dollar amount of their  purchases  thereof
during such period. Since January 1, 1998 and except with respect to the pending
settlement  of the Sanofi  litigation,  no such  purchaser  has  terminated  its
relationship with Sierra or notified Sierra in writing of its intention (for any
reason) to terminate  its  relationship  or reduce its  purchases of Products by
more than 50%.

     (b) Schedule  3.22(b)  contains a true and complete list of Sierra's top 15
suppliers (by dollar volume)  during the 12 months ended  September 30, 1998 and
the aggregate dollar amount of purchases from such suppliers during such period.
Since  January 1, 1998 and except as  disclosed  on  Schedule  3.22(b),  no such
supplier

                                      -29-

<PAGE>

has terminated its relationship with Sierra or notified Sierra in writing of its
intention (for any reason) to terminate such relationship or reduce its sales to
Sierra from the level during the six months ended December 30, 1997.

     3.23 Product  Returns.  Schedule  3.23 hereto  contains a true and complete
description of the product  return  experience of Sierra for the two years ended
September 30, 1998.

     3.24 Product  Liability.  Schedule 3.24 hereto contains a true and complete
description  of  Sierra's  product  liability  experience  with  respect  to its
business since its inception.

     3.25 Questionable  Payments.  Neither Sierra nor any active employee acting
on Sierra's behalf has used any corporate funds for: (i) illegal  contributions,
entertainment  or gifts for purposes of  influencing  the activities or decision
making of a political official; or (ii) illegal payments, bribes or kickbacks to
any United States government official or employee or foreign government official
or employee or other third party.  Neither  Sierra nor, to the best knowledge of
Baker,  any  director,  officer or other  employee of Sierra  has:  (i) made any
payments or provided services or other favors in the United States of America or
in any other country in order to obtain preferential  treatment or consideration
by any governmental entity with respect to any aspect of the business of Sierra;
or (ii) made any  political  contributions  which would not be lawful  under the
laws of the United  States and the foreign  country in which such  payments were
made. Neither

                                      -30-

<PAGE>

Sierra nor,  to the best  knowledge  of Baker,  any  director,  officer or other
employee of Sierra or any customer or supplier of Sierra has been the subject of
any inquiry or  investigation  by any  governmental  entity in  connection  with
payments or benefits or other  favors to or for the benefit of any  governmental
or armed services  official,  agent,  representative or employee with respect to
any  aspect  of the  business  of  Sierra  or  with  respect  to  any  political
contribution.

     3.26  Litigation.  Except  as set  forth  on  Schedule  3.26,  there  is no
litigation,  proceeding or governmental  investigation pending or threatened, or
any order,  injunction,  decree or judgment outstanding,  against or relating to
Sierra or its properties or business. Such Schedule contains a true and complete
description of each named item and Sierra's potential liability thereunder.

     3.27 Violations.  To Baker's  knowledge,  the improvements  located on real
estate  owned or leased by  Sierra  and the  continuation  of the  present  use,
occupancy  and  operation of said  improvements  comply in full with all current
zoning  requirements and do not depend on or require, to any extent, any further
ordinance,  variance,  special exception or other special governmental  approval
for its continuing legality. To Baker's knowledge,  there is no violation of any
recorded restriction,  condition or agreement affecting said real estate. Sierra
has  not  received  notice  of  any  violation  of,  and to  Baker's  knowledge,
continuation of the present uses, occupancies and operations will

                                      -31-

<PAGE>

not result in a violation of, building, health, safety,  environmental pollution
control,  fire or similar law,  ordinance,  order or regulation  respecting said
real estate.  Except as set forth on Schedule  3.27, no notice has been received
by Sierra alleging any such violation.

     3.28 Labor Matters.

     (a) With respect to Sierra's employees, (1) no unfair labor practice charge
or complaint  against Sierra with respect to its employees ever has been brought
or filed before the National Labor Relations  Board,  and to Sierra's  knowledge
none has been threatened;  (2) there is no labor strike,  dispute,  arbitration,
request for  representation,  slowdown or stoppage  actually  pending against or
affecting  Sierra and, to Sierra's  knowledge,  none is  threatened  or has been
threatened  or has occurred  within the last three  years;  and (3) no employees
employed by Sierra at any time during the last three years have been represented
by a labor union or governed by a collective  bargaining agreement in respect of
such employment. To Sierra's knowledge, no union or other labor organization has
attempted to organize any of its employees of the business.

     (b) To Baker's knowledge,  Sierra is in compliance in all material respects
with  Title  VII  of  the  Civil  Rights  Act  of  1964,  as  amended,  the  Age
Discrimination  in Employment  Act, the National Labor  Relations Act, the Labor
Management  Relations  Act,  the Fair  Labor  Standards  Act,  as  amended,  the
Immigration Reform

                                      -32-

<PAGE>

and Control Act of 1986, the Americans with Disabilities Act, the Family Medical
Leave Act, and all other Laws governing illegal discrimination, equal employment
opportunity, civil rights and payment of minimum wages and overtime rates. There
are no  current  claims or suits,  nor have there  been any  written  threats of
claims or suits,  against Sierra arising out of, or relating to, or alleging any
violation of any of the foregoing.

     3.29 Finders'  Fees.  Neither  Sierra nor any  Stockholder  has employed or
utilized the services of any broker,  finder or other intermediary in connection
with this Agreement or the transaction contemplated by this Agreement.

     3.30 Restrictions on Business  Activities.  Except as disclosed on Schedule
3.30, there is no agreement,  judgment, injunction, order or decree binding upon
Sierra  which  has or  could  reasonably  be  expected  to have  the  effect  of
prohibiting  or  materially  impairing

(a) the ability of Sierra to conduct  its  business  in any  geographic  area or
field of use, (b) any acquisition of property by Sierra, or
(c) the conduct of business by Sierra as  currently  conducted  or as  currently
proposed to be conducted by Sierra.

     3.31 Accuracy of  Representations  and  Warranties.  No  representation  or
warranty by Baker in this Agreement,  and no written statement made to Select by
Baker or Sierra or contained in any certificate or instrument delivered or to be
delivered to Select by Baker or Sierra pursuant to this Agreement, or in

                                      -33-

<PAGE>

connection with the transactions contemplated by this Agreement contains or will
contain any untrue statement of a material fact or omits or will omit to state a
material fact necessary to make the statements contained therein not misleading.

     Article IV. Representations and Warranties of Select. Select represents and
warrants to Sierra as follows:

     4.1 Organization.  Select is a corporation duly organized, validly existing
and in good  standing  under  the  laws of the  State  of  Delaware  and is duly
authorized to carry on its business where and as now conducted and to own, lease
and operate properties as it now does.

     4.2 Corporate Authority, Etc.

     (a) Select has full power and authority to enter into this Agreement and to
perform this Agreement in accordance with its terms; the execution, delivery and
performance of this Agreement by Select and the  consummation of the Acquisition
have been duly  authorized  by its Board of Directors and Select is not bound by
any  contractual or other  obligation that would be violated by the execution or
performance  of this  Agreement;  and  this  Agreement  is a valid  and  binding
obligation of Select enforceable in accordance with its terms; and

     (b)  Neither  the  execution  and  delivery  of  this   Agreement  nor  the
consummation  by  Select  of any of the  transactions  contemplated  herein  nor
compliance by Select with the terms,  conditions and provisions hereof or of any
agreement or instrument

                                      -34-

<PAGE>

contemplated hereby will (i) conflict with, result in a breach of, or constitute
an event of default under the certificate of incorporation or by-laws of Select,
or any  material  instrument,  agreement,  lease,  license,  franchise,  permit,
judgment,  order, award, decree or other authorization,  right, or obligation to
which Select is a party or any of its properties is subject or by which they are
bound, or any statute,  ordinance,  rule or regulation  applicable to Select, or
(ii) require the  approval,  consent or  authorization  of, or the making of any
declaration,  filing  or  registration  with,  any third  party or any  foreign,
federal, state or local court, governmental authority or regulatory body.

     4.3  Governmental  Consents  and  Approvals.  The  execution,  delivery and
performance by Select of this Agreement and the  consummation of the Acquisition
by Select  requires  no action by or in respect of, or filing  with,  any United
States, state or local governmental body, agency, official or authority.

     4.4 Capitalization. Select's authorized capitalization is 11,000,000 shares
of capital stock,  consisting of 10,000,000 shares of common stock and 1,000,000
shares of preferred stock. There are issued and outstanding  4,929,531 shares of
common stock and no shares of preferred  stock.  All the  outstanding  shares of
Select were duly authorized for issuance and are validly issued,  fully-paid and
non-assessable.

     4.5  Litigation.  There  is  no  litigation,   proceeding  or  governmental
investigation pending or, so far as is known to

                                      -35-

<PAGE>

Select,  threatened, or any order, injunction or decree outstanding,  against or
relating to Select or any of its properties or businesses.

     4.6 Finders'  Fee.  Select has not employed or utilized the services of any
broker,  finder or other  intermediary  in connection with this Agreement or the
transactions contemplated by this Agreement.

     4.7  Absence  of  Undisclosed  Liabilities.  Except  to  the  extent  fully
reflected or reserved against in its June 30, 1998 balance sheet,  Select has no
liabilities of any nature, whether accrued,  absolute,  contingent or otherwise,
including,  but not limited to, any tax or other  liabilities of any nature that
were  unknown  or  undetermined  as of that  date  but  that,  if then  known or
determined, would have been required to be reflected in a balance sheet prepared
in  accordance  with  generally  accepted  accounting  principles  applied  on a
consistent  basis.  There is no basis for the  assertion  against  Select of any
liability  of any nature  (and in any amount)  not fully  reflected  or reserved
against in the June 30,  1998  balance  sheet or not  incurred  in the  ordinary
course of business thereafter.

     4.8  Litigation.  There  is  no  litigation,   proceeding  or  governmental
investigation  pending  or,  so far as is known to  Select,  threatened,  or any
order, injunction or decree outstanding, against or relating to Select or any of
its properties or businesses.

                                      -36-

<PAGE>

     4.9 Select Shares.  The Select Shares issued to the Stockholders under this
Agreement,  when so  issued,  will be duly and  validly  issued,  fully paid and
non-assessable.

     Article V. Survival of Representations and Indemnity.

     5.1 Survival. The representations,  warranties, covenants and agreements by
the parties shall survive the Closing Date for a period of two (2) years.

     Article VI. Indemnification.

     (a) Select does hereby agree to  indemnify,  defend and hold  harmless each
Stockholder  from and  against  any and all claims,  demands,  damages,  losses,
injuries, liabilities,  penalties, costs, expenses (including without limitation
reasonable attorneys' fees), suits, actions, investigations,  judgments and fees
which may be imposed  upon,  incurred  or  suffered  by or  asserted  against it
arising out of or in connection with any one or more of the following:

          (i) any failure to perform or comply with any agreements,  obligations
     or undertakings to be performed by Select, pursuant to this Agreement; and

          (ii) any breach of any representation, warranty, covenant or agreement
     made in this Agreement, or in respect of the facts associated therewith, by
     Select.

     (b) Each  Stockholder  (severally  but not  jointly)  does hereby  agree to
indemnify, defend and hold harmless Select

                                      -37-

<PAGE>

from  and  against  any and all  claims,  demands,  damages,  losses,  injuries,
liabilities, penalties, costs, expenses (including without limitation reasonable
attorneys' fees), suits, actions,  investigations,  judgments and fees which may
be imposed upon,  incurred or suffered by or asserted  against it arising out of
or in connection with any one or more of the following:

          (i) any failure to perform or comply with any agreements,  obligations
     or  undertakings  to be  performed  by such  Stockholder  pursuant  to this
     Agreement; and

          (ii) any breach of any representation, warranty, covenant or agreement
     made in this Agreement, or in respect of the facts associated therewith, by
     such Stockholder.

     (c)  Notwithstanding any other term of this Article VI, (i) an indemnifying
party shall have no liability to any indemnified  party for any claim made under
this  Article VI (a "Claim")  unless a written  notice  specifying  the Claim in
reasonable detail is provided by the indemnified party to the indemnifying party
within two years after the Closing Date,  and (ii) Baker shall have no liability
to any  indemnified  party for any Claim made in respect of Article  III of this
Agreement unless either (x) such Claim is for more than $5,000 or (y) the sum of
the  aggregate  amount of all prior  Claims  made  against  Baker in  respect of
Article  III plus the amount of the  subject  Claim  exceeds  $5,000;  provided,
however, that Baker shall only have liability under clauses (x) and

                                      -38-

<PAGE>

(y) to the  extent,  and for the amount by which,  such  Claim or Claims  exceed
$5,000.

     (d) In no event shall the cumulative liability of any Stockholder to Select
as an  indemnifying  party under Section 6(b) exceed the aggregate  value of the
Select Shares he receives  pursuant to Exhibit A hereof.  The  obligations  of a
Stockholder  under  Seciton 6(b) may, at such  Stockholder's  election,  be paid
either in cash or by transfer of Select  Shares to the  indemnified  party.  For
purposes of this subsection (d), Select Shares shall be valued at their National
Quotation Bureau "Pink Sheet" closing price on the Closing Date.

     (e) Each party  hereto  acknowledges  and agrees  that,  from and after the
Closing Date,  its sole and exclusive  remedy with respect to any and all claims
against  another party hereto  relating to the subject  matter of this Agreement
shall be pursuant to the  indemnification  provisions  set forth in this Article
VI, except that nothing in this Agreement shall be deemed to constitute a waiver
of  any  tort  claims  of,  or  causes  of  action   arising  from,   fraudulent
misrepresentation or deceit. In furtherance of the foregoing,  each party hereto
hereby waives,  from and after the Closing Date, to the fullest extent permitted
under  applicable  law, any and all rights,  claims and causes of action  (other
than  tort   claims   of,  or  causes  of  action   arising   from,   fraudulent
misrepresentation  or  deceit  or  claims  arising  under  Article  VI  of  this
agreement) it may have relating to the subject matter of this

                                      -39-

<PAGE>

Agreement  arising  under or based  upon any  federal,  state,  local or foreign
statute, law, ordinance, rule or regulation or otherwise.

     (f) A party seeking  indemnification  shall notify the indemnifying parties
within a reasonable time in writing of any action, claim or liability in respect
of which it intends to claim such  indemnification,  provided  that,  subject to
Article VI(c)(i), the failure to give timely notice shall not release any of the
indemnifying  parties from any liability to the extent the indemnifying  parties
are not prejudiced  thereby.  The indemnifying  parties shall have the right, by
prompt notice to the party seeking indemnification to assume the defense of such
claim with counsel reasonably satisfactory to the party seeking indemnification,
and at the sole cost of the indemnifying parties. If the indemnifying parties do
not so assume the defense of such claim, the party seeking  indemnification  may
assume  such  defense  with  counsel  of its  choice and at the sole cost of the
indemnifying  parties. If the indemnifying  parties so assume such defense,  the
party seeking  indemnification  may  participate  therein through counsel of its
choice,  but at its sole cost.  The party not  assuming  the defense of any such
claim shall render all reasonable assistance to the party assuming such defense,
and all  out-of-pocket  costs of such assistance shall be for the account of the
Indemnifying  Parties.  No such claim  shall be settled  other than by the party
defending  the same,  and then only with the consent of the other  party,  which
shall not be unreasonably withheld; provided that the party seeking

                                      -40-

<PAGE>

indemnification  shall have no  obligation  to consent to any  settlement of any
such claim which imposes on Select any  liability or obligation  which cannot be
assumed and performed in full by the Indemnifying Parties.

     Article VII. Miscellaneous.

     7.1 Schedules.  Any  information  furnished in a schedule to this Agreement
shall be deemed to be  furnished  under any other  schedule  which calls for the
furnishing of the same information whether or not that information is separately
stated in such other schedule.

     7.2 Expenses. Each party shall bear its own expenses incurred in connection
with the  negotiation  and  preparation of this Agreement and in connection with
all duties and obligations  required to be performed by it under this Agreement;
provided that Sierra may bear $10,000 of the expenses of the Stockholders.

     7.4 Further Assurances. Each party agrees to cooperate fully with the other
parties and to execute such further  instructions,  documents and agreements and
to give such further  written  assurances as may be reasonably  requested by any
other party to better evidence and reflect the transactions described herein and
contemplated  hereby and to carry into effect the  intents and  purposes of this
Agreement.

     7.5 Notices. All notices,  requests, demands and other communications under
this  Agreement  shall be in writing  and shall be deemed  given when  delivered
personally or by reputable overnight

                                      -41-

<PAGE>

courier or mailed by registered or certified mail, return receipt requested,  to
the parties at the following  addresses (or to such other address as a party may
have specified by notice to the other parties pursuant to this provision):

                    (a)  if to Sierra, at:

                         Sierra Diagnostics, Inc.
                         21109 Longeway, #C
                         Sonora, California 95370
                         Attn:  Mr. Tony K. Baker

                         with a copy to:

                         Dudnick, Detwiler, Rivin & Stikker, LLP
                         351 California Street, 15th Floor
                         San Francisco, California 94104
                         Attn:  Jeffrey B. Detwiler, Esq.

                    (b)  if to Select, at:

                         Select Therapeutics Inc.
                         50 O'Connor Street - Suite 300
                         Ottawa, Ontario K1P 6L2
                         CANADA
                         Attn:  Mr. Robert Bender, Chairman

                         with a copy to:

                         Hofheimer Gartlir & Gross, LLP
                         633 Third Avenue
                         New York, New York 10017
                         Attn: Richard G. Klein, Esq.

                    (c)  if to any Stockholder, at his address set forth on
Exhibit A.

     7.6 No  Assignment.  This  Agreement is personal to each of the parties and
may not be assigned without the written consent of the other parties.

     7.7 Entire  Agreement.  This  Agreement  (with its  schedules and exhibits)
contains, and is intended as, a complete

                                      -42-

<PAGE>

statement of all the terms of the  agreements  among the parties with respect to
the matters provided for,  supersedes any previous  agreements and understanding
among the  parties  with  respect  to those  matters,  and  cannot be changed or
terminated except by a writing signed by the parties.

     7.8  Governing  Law. This  Agreement  shall be governed by and construed in
accordance with the substantive  laws of the State of New York,  without respect
to its choice of law principles.

     7.9  Interpretation.  The  headings  contained  in this  Agreement  are for
reference  purposes  only  and  shall  not  affect  in any  way the  meaning  or
interpretation  of this Agreement.  Whenever the words "include,"  "includes" or
"including" are used in this  Agreement,  they shall be deemed to be followed by
the words "without limitation."

     7.10  Counterparts.   This  Agreement  may  be  executed  in  two  or  more
counterparts,  each of which shall be deemed to be an original, but all of which
shall constitute one and the same agreement.

     7.11 Parties in Interest. This Agreement shall be binding upon and inure to
the benefit of and be  enforceable  by the parties  hereto and their  respective
successors and assigns,  and nothing in this Agreement,  express or implied,  is
intended  to confer  upon any other  person any rights or remedies of any nature
whatsoever under or by reason of this Agreement.

     7.12 Choice of Language.  The parties  declare that at their  request,  the
present Agreement, along with all notices,

                                      -43-

<PAGE>

schedules,  etc. has been drawn up in the English  language and henceforth,  all
communications between them are to be in the English language.

     7.13 Severability. Any term or provision of this Agreement which is invalid
or  unenforceable  in  any  jurisdiction  shall,  as to  that  jurisdiction,  be
ineffective  to the  extent  of  such  invalidity  or  unenforceability  without
rendering  invalid or  unenforceable  the remaining  terms or provisions of this
Agreement in any other  jurisdiction.  If any provision of this  Agreement is so
broad as to be  unenforceable,  the provision shall be interpreted to be only so
broad as is enforceable.

     7.14 Certain Post Closing Covenants.

          (a) Select shall pay all accounts payable of Sierra listed on Schedule
     3.6 and existing on the Closing Date within 60 days after the Closing Date.

          (b)  Commencing as of the first  anniversary  of the Closing Date, and
     for one year  thereafter,  Select shall use its  reasonable  efforts to (i)
     make and keep available  current pubic  information about Select as defined
     in Rule 144 of the  Securities  Act,  (ii)  file with the  Commission  in a
     timely manner all reports and other documents  required of Select under the
     Securities Act and the  Securities  Exchange Act of 1934; and (iii) furnish
     to a  Stockholder  on written  request a copy of the most recent  annual or
     quarterly report of Select,  and such other reports and documents of Select
     and other  information  in the  possession of or  reasonably  obtainable by
     Select as a Stockholder may reasonably request in

                                      -44-

<PAGE>

     availing  himself of any rule or  regulation of the  Commission  allowing a
     Stockholder to sell any Select Shares without registration.

                                      -45-

<PAGE>

     IN WITNESS WHEREOF,  the parties have caused this Agreement to be signed as
of the date first written above.

                                                 SELECT THERAPEUTICS INC.

                                                 By:/s/ Robert Bender
                                                    ----------------------------
                                                    Name: Robert Bender
                                                    Title: CEO

                                                 STOCKHOLDERS:

                                                 /s/ Eileen McCarthy
                                                 -------------------------------
                                                 Eileen McCarthy

                                                 /s/ Guy Nohra
                                                 -------------------------------
                                                 Guy Nohra

                                                 /s/ Garrett Gruener
                                                 -------------------------------
                                                 Garrett Gruener

                                                 /s/ Marino Polestra
                                                 -------------------------------
                                                 Marino Polestra

                                                 /s/ Timothy Dibble
                                                 -------------------------------
                                                 Timothy Dibble

                                                 /s/ William Egan
                                                 -------------------------------
                                                 William Egan

                                                 /s/ Craig Burr
                                                 -------------------------------
                                                 Craig Burr

                                                 /s/ Daniel Janney
                                                 -------------------------------
                                                 Daniel Janney

                                                 /s/ Edward Williams
                                                 -------------------------------
                                                 Edward Williams

                                                 /s/ Robert Montgomery
                                                 -------------------------------
                                                 Robert Montgomery

                                                 /s/ Jean Deleage
                                                 -------------------------------
                                                 Jean Deleage

                                                 /s/ Pablo Valenzuela
                                                 -------------------------------
                                                 Pablo Valenzuela

                                                 /s/ W. Geoffrey Scherer
                                                 -------------------------------
                                                 W. Geoffrey Scherer

                                                 /s/ Jeffrey B. Detwiler
                                                 -------------------------------
                                                 Jeffrey B. Detwiler

                                                 /s/ Tony Baker
                                                 -------------------------------
                                                 Tony Baker

                                      -46-




                                                                     Exhibit 2.7

                            SELECT THERAPEUTICS INC.

                                  QUESTIONNAIRE

                         220,000 Shares of Common Stock
                     to be Issued in Exchange for all of the

                 Outstanding Shares of Sierra Diagnostics, Inc.

                                    * * * * *




                                OCTOBER 19, 1998



<PAGE>

                                  INSTRUCTIONS

     1.  Provide  all  requested   information   on,  and  sign,  the  following
Questionnaire.*

     2. The price to be paid by each  Subscriber  for his shares of Common Stock
of  Select  Therapeutics  Inc.  ("Select")  is that  number  of shares of Sierra
Diagnostics, Inc. Common Stock set forth opposite Subscriber's name in Exhibit A
to the Stock Purchase  Agreement (the  "Agreement")  among the  Subscribers  and
Select, dated October 19, 1998.








- --------
     * The purchasers of the subject securities are collectively  referred to as
the "Subscribers".  The words "Subscriber" and "undersigned",  and all pronouns,
and any variations thereof,  used in this Questionnaire shall be deemed to refer
to the masculine or feminine,  singular or plural, as the identity of the person
or persons may require.

                                       -2-

<PAGE>

                                  QUESTIONNAIRE

ITEM 1.           READ AND THEN INITIAL THE FOLLOWING STATEMENT:

_______           For the sole  purpose  of  inducing  Select to sell its Common
                  Stock to me pursuant to the Agreement,  and acknowledging that
                  Select will rely on the truthfulness of my  representations in
                  reasonably  believing that the sale thereof is exempt from the
                  registration  requirements  of the  Securities  Act,  I hereby
                  represent to Select that the statement or statements initialed
                  by me below are true and correct in all respects. I understand
                  that a false  representation may constitute a violation of law
                  and that Select and any other  person who suffers  damage as a
                  result of a false  representation  may have a claim against me
                  for damages.

ITEM 2.           SUPPLY THE FOLLOWING PERSONAL INFORMATION

                  _______________________________         ______________________
                  Date of Birth                           Social Security Number

                  Residence Address

                  _______________________________

                  _______________________________
                  City     State      Zip Code

                  Telephone: _______________ home

                             _______________ office

                  Occupation: _______________________________________

                  Employer: Name ____________________________________

                            Address _________________________________

                                    _________________________________

                            Telephone No. ___________________________

                                       -3-

<PAGE>

                  Education:  I am a college graduate:  ______   ______
                                                         Yes       No

                              Name of College: ___________________________

                              Degree: ____________________________________

                              Year: ______________________________________

ITEM 3.           REGARDING YOUR "ACCREDITED INVESTOR" STATUS, INITIAL EACH
                  OF THE FOLLOWING STATEMENTS THAT APPLIES:

_______           (a) I am a natural person having an individual net worth, or a
                  joint net worth with my spouse,  in excess of $1,000,000.  For
                  purposes  of  this   Questionnaire,   "net  worth"  means  the
                  difference  between  my, or our,  total  assets at fair market
                  value,  including home and personal property,  and my, or our,
                  total liabilities.

_______           (b) I am a  natural  person  with  annual  income in excess of
                  $200,000,  or joint annual  income with my spouse in excess of
                  $300,000,  in  each  of  the  two  most  recent  years,  and I
                  reasonably  expect  to have an  individual  annual  income  in
                  excess of $200,000,  or joint annual  income with my spouse in
                  excess of $300,000, for the current year. For purposes of this
                  Questionnaire,   "income"  means  adjusted  gross  income,  as
                  reported  for Federal  income tax  purposes,  increased by the
                  following  amounts:  (i) the amount of any tax exempt interest
                  income  received;  (ii) the  amount  of  losses  claimed  as a
                  limited  partner  in a limited  partnership  and  deducted  in
                  arriving at adjusted gross income; (iii) any deduction claimed
                  for depletion;  (iv) deductible amounts contributed to an IRA,
                  Keogh or Canadian  R.R.S.P.  retirement  plan; and (v) alimony
                  paid.

_______           (c) Although I do not qualify as an accredited  investor under
                  Items  3(a) or (b)  above,  I have a net  worth  greater  than
                  $500,000,  and for the  last  calendar  year I had,  and --- I
                  estimate  that  for the  current  calendar  year I will  have,
                  taxable  income,  as defined  in  Section  63 of the  Internal
                  Revenue Code of 1986, as amended, of at least $500,000.


ITEM 4.           REGARDING WHETHER YOU ARE AN "AFFILIATE" OF SELECT, READ
                  AND THEN INITIAL EACH OF THE FOLLOWING STATEMENTS WHICH
                  ARE CORRECT:

_______           (a) I am not a beneficial  owner, or a member of the immediate
                  family of any beneficial owner, of ten percent

                                       -4-

<PAGE>

                  (10%) or more of Select's  Common Stock.  For these  purposes,
                  "immediate  family"  means any child,  stepchild,  grandchild,
                  parent,    stepparent,     grandparent,    spouse,    sibling,
                  mother-in-law,      father-in-law,      daughter-in-law     or
                  sister-in-law, including adoptive relationships.

_______           (b) I am not a member of the  immediate  family of any officer
                  or  director  of  Select  or  any  person  who  controls,   is
                  controlled by or is under common control with Select.

_______           (c) I am not a beneficial  owner, or a member of the immediate
                  family of any beneficial  owner,  of ten percent (10%) or more
                  of the  equity  interest  in any  entity  which  controls,  is
                  controlled by or is under common control with Select.

_______           (d) I do not  own,  and I am  not a  member  of the  immediate
                  family of any  person  who owns,  ten  percent  or more of any
                  trust or estate which  controls,  is controlled by or is under
                  common control with Select nor do I serve as trustee, executor
                  or in any similar capacity of any such trust or estate.

_______           (e) To my best  knowledge,  I am not an affiliate of any other
                  Subscriber.  For these  purposes,  "affiliate"  means a person
                  that   directly,   or   indirectly   through   one   or   more
                  intermediaries,  controls, is controlled by or is under common
                  control with the person specified.

_______           (f)  To my  best  knowledge,  I am  not  an  affiliate  of any
                  shareholder of Select.

For each statement above that you did not initial,  explain the relationship you
do have:________________________________________________________________________

________________________________________________________________________________

________________________________________________________________________________

ITEM 5.           INITIAL THE APPROPRIATE ANSWER TO THE FOLLOWING QUESTION:

                  I have  appointed and utilized a Purchaser  Representative  in
                  connection  with my acquisition  of Select Shares  pursuant to
                  the Agreement.

                           _____         ______
                           Yes               No

                                       -5-

<PAGE>

ITEM 6.           ANSWER THE FOLLOWING QUESTION AND SUPPLY ANY REQUIRED

                  INFORMATION:

                  State whether you or any of your  associates or affiliates (i)
                  are a member  or a  person  associated  with a  member  of the
                  National Association of Securities Dealers, Inc. (the "NASD"),
                  (ii)  own any  stock  or other  securities  of an NASD  member
                  (other than purchased on the open market),  or (iii) have made
                  a subordinated loan to any NASD member?

                           _____         ______
                           Yes               No

                  If  you  marked  yes  to  Item 5 or 6  above,  please  briefly
                  describe the facts below:

                  _____________________________________________________________

                  _____________________________________________________________

                  _____________________________________________________________

                  _____________________________________________________________

                  _____________________________________________________________

ITEM 7.           SIGNATURE:

                           ____________________________________
                           Subscriber's Signature

                           Name: ______________________________
                                            (please print)

                           Date: ______________________________


                                       -6-



EXHIBIT 3.1

                      RESTATED CERTIFICATE OF INCORPORATION

                                       OF

                              VT DEVELOPMENT, INC.

               (under Section 245 of the General Corporation Law)

         The undersigned corporation hereby amends, revises and restates, in its
entirety, the Certificate of Incorporation of the corporation,  originally filed
under  its then name "VT  Development,  Inc." by the  Secretary  of State of the
State of Delaware on January 28, 1997, as follows:

FIRST:      The  name  of the  corporation  is  SELECT  THERAPEUTICS  INC.  (the
            "Corporation").

SECOND:     The address of the  Corporation's  registered office in the State of
            Delaware  is c/o  UNITED  CORPORATE  SERVICES,  INC.,  15 East North
            Street,  in the City of Dover,  County of Kent,  State of  Delaware,
            19901.  The name of the  registered  agent at such address is United
            Corporate Services, Inc.

THIRD:      The  purpose  of the  Corporation  is to engage in any lawful act or
            activity for which  corporations  may be organized under the General
            Corporation Law of the State of Delaware.

FOURTH:     The  aggregate  number of shares  which the  Corporation  shall have
            authority to issue is Eleven Million  (11,000,000)  shares, of which
            Ten Million (10,000,000) shares shall be designated common stock and
            shall  have  a par  value  of  $.0001  per  share  and  One  Million
            (1,000,000)  shares shall be  designated  preferred  stock and shall
            have a par value of $.0001 per share.

            The Corporation's  Board of Directors is authorized,  subject to the
            limitations  prescribed  by law and the  provisions  of this Article
            "FOURTH",  to  provide  for the  issuance  of the  above  authorized
            preferred   stock  in  series,   and  by  filing  a  certificate  of
            designations  pursuant to Section 151 of the General Corporation Law
            of the State of Delaware,  as the same may be amended,  to establish
            from time to time the number of shares to be  included  in each such
            series and to fix the designation, powers, preferences and rights of
            the shares of each such

                                        1

<PAGE>

            series and the qualifications, limitations or restrictions thereof.

            The authority of the Board of Directors  with respect to each series
            shall  include,   but  not  be  limited  to,  determination  of  the
            following:

                    (a) The number of shares  constituting  that  series and the
               distinctive designation of that series;

                    (b) The dividend rate, if any, on the shares of that series,
               whether  dividends  shall be  cumulative,  and, if so, from which
               date or dates,  and the relative  rights of priority,  if any, of
               payment of dividends on shares of that series;

                    (c)  Whether  that  series  shall  have  voting  rights,  in
               addition to the voting  rights  provided by law,  and, if so, the
               terms of such voting rights;

                    (d) Whether  that series shall have  conversion  privileges,
               and,  if  so,  the  terms  and  conditions  of  such  conversion,
               including  provision for adjustment of the  conversion  rate upon
               such events as the Board of Directors shall determine;

                    (e)  Whether  or not the  shares  of that  series  shall  be
               redeemable,  and,  if  so,  the  terms  and  conditions  of  such
               redemption,  including the date or dates upon or after which they
               shall be redeemable,  and the amount per share payable in case of
               redemption,  which amount may vary under different conditions and
               at different redemption dates;

                    (f) The rights of the shares of that  series in the event of
               voluntary or involuntary  liquidation,  dissolution or winding up
               of the  Corporation,  and the  relative  rights  of  priority  of
               payment of shares of that series; and

                    (g) Any other relative  rights,  preferences and limitations
               of that series.

            Dividends on outstanding  shares of preferred stock shall be paid or
            declared  and set apart for payment  before any  dividends  shall be
            paid or  declared  and set apart for  payment on common  shares with
            respect to the same dividend period.

FIFTH:      The name and mailing address of the  incorporator of the Corporation
            is as follows:

                                    Bruce S. DePaola
                                    c/o Hofheimer Gartlir & Gross, LLP
                                    633 Third Avenue

                                        2

<PAGE>

                                    New York, New York 10017

SIXTH:      The Corporation is to have perpetual existence.

SEVENTH:    The number of directors  which shall  constitute  the whole Board of
            Directors of the  Corporation  shall be designated in the By-Laws of
            the Corporation. Election of directors need not be by written ballot
            unless the By-Laws so provide.

EIGHTH:     In  furtherance  and not in  limitation  of the powers  conferred by
            statute,  the Board of Directors is  expressly  authorized  to make,
            alter or repeal the By-laws of the Corporation, without the need for
            shareholder approval.

NINTH:      In addition to the powers and authority  hereinbefore  or by statute
            expressly conferred upon them, the directors are hereby empowered to
            exercise  all such  powers and do all such acts and things as may be
            exercised or done by the Corporation,  subject, nevertheless, to the
            provisions of the General  Corporation Law of the State of Delaware,
            this  Certificate of  Incorporation,  and any By-Laws adopted by the
            stockholders;  provided,  however, that no By-Laws hereafter adopted
            by the stockholders  shall invalidate any prior act of the directors
            which would have been valid if such By-Laws had not been adopted.

TENTH:      To the fullest extent  permitted by the General  Corporation  Law of
            the State of Delaware,  as the same exists or as it may hereafter be
            amended,  no director of the Corporation  shall be personally liable
            for  monetary  damages  for  breach of his/her  fiduciary  duty as a
            director.  The Corporation shall indemnify each officer and director
            of the Corporation to the fullest extent permitted by Section 145 of
            the General  Corporation  Law of the State of Delaware,  as the same
            may be amended from time to time. Any repeal or modification of this
            Article  TENTH by the  stockholders  of the  Corporation  shall  not
            adversely  affect  any  right or  protection  of a  director  of the
            Corporation existing at the time of such repeal or modification with
            respect  to acts or  omissions  occurring  prior to such  repeal  or
            modification.

ELEVENTH:   Meetings of  stockholders  of the  Corporation may be held within or
            without the State of Delaware, as the By-laws may provide. The books
            of the  Corporation  may be kept (subject to any contrary  provision
            contained in the General  Corporation  Law of the State of Delaware)
            outside of the State of Delaware at such place or places as may

                                        3

<PAGE>

            be designated  from time to time by the Board of Directors or in the
            By-laws of the Corporation.

TWELFTH:    The Corporation reserves the right to amend, alter, change or repeal
            any provision contained in this Certificate of Incorporation, in the
            manner  now or  hereafter  prescribed  by  statute,  and all  rights
            conferred  upon  stockholders  herein  are  granted  subject to this
            reservation.

THIRTEENTH  This  restated  Certificate  of  Incorporation  was duly  adopted in
            accordance  with Section 228 of the General  Corporation  Law of the
            State of Delaware

     IN WITNESS  WHEREOF,  I have  hereunto  signed my name and affirm  that the
statements made herein are true under the penalties of perjury, this 17th day of
July, 1997.

                                                        /s/ Robert Bender
                                                         -----------------------
                                                         Robert Bender, Chairman

                                        4




                                                                     EXHIBIT 3.2

                                     BY-LAWS

                                       OF

                              VT DEVELOPMENT, INC.


                                    ARTICLE I
                                     OFFICES


     SECTION 1. REGISTERED  OFFICE. - The registered office shall be established
and  maintained at c/o United  Corporate  Services,  Inc., 15 East North Street,
Dover,  Delaware  19901  and  United  Corporate  Services,  Inc.  shall  be  the
registered agent of this corporation in charge thereof.

     SECTION 2. OTHER OFFICES. - The corporation may have other offices,  either
within or without the State of Delaware, at such place or places as the Board of
Directors may from time to time appoint or the business of the  corporation  may
require.


                                   ARTICLE II
                            MEETINGS OF STOCKHOLDERS

     SECTION 1.  ANNUAL  MEETINGS.  - Annual  meetings of  stockholders  for the
election of directors and for such other business as may be stated in the notice
of the meeting,  shall be held at such place, either within or without the State
of Delaware, and at such time and date as the Board of Directors, by resolution,
shall  determine  and as set forth in the  notice of  meeting.  In the event the
Board of Directors  fails to so determine  the time,  date and place of meeting,
the annual meeting of stockholders shall be held at the registered office of the
corporation in Delaware.

     If the date of the  annual  meeting  shall fall upon a legal  holiday,  the
meeting  shall be held on the  next  succeeding  business  day.  At each  annual
meeting, the stockholders  entitled to vote shall elect a Board of Directors and
they may transact such other corporate business as shall be stated in the notice
of the meeting.

     SECTION 2. OTHER MEETINGS. - Meetings of stockholders for any purpose other
than the  election of  directors  may be held at such time and place,  within or
without the State of Delaware, as shall be stated in the notice of the meeting.

     SECTION 3. VOTING. - Each  stockholder  entitled to vote in accordance with
the  terms  of the  Certificate  of  Incorporation  and in  accordance  with the
provisions  of these By- Laws  shall be  entitled  to one vote,  in person or by
proxy, for each share of stock entitled to vote held

<PAGE>


by such stockholder, but no proxy shall be voted after three years from its date
unless  such  proxy  provides  for a  longer  period.  Upon  the  demand  of any
stockholder,  the vote for directors  and the vote upon any question  before the
meeting,  shall be by ballot.  All elections  for directors  shall be decided by
plurality  vote; all other questions shall be decided by majority vote except as
otherwise  provided by the Certificate of Incorporation or the laws of the State
of Delaware.

     A  complete  list of the  stockholders  entitled  to  vote  at the  ensuing
election,  arranged in  alphabetical  order,  with the address of each,  and the
number  of  shares  held  by  each,  shall  be open  to the  examination  of any
stockholder,  for any purpose germane to the meeting,  during ordinary  business
hours, for a period of at least ten days prior to the meeting, either at a place
within the city where the meeting is to be held,  which place shall be specified
in the notice of the meeting,  or, if not so  specified,  at the place where the
meeting is to be held.  The list shall also be produced and kept at the time and
place of the meeting during the whole time thereof,  and may be inspected by any
stockholder who is present.

     SECTION  4.  QUORUM.  -  Except  as  otherwise  required  by  law,  by  the
Certificate of Incorporation or by these By-Laws, the presence,  in person or by
proxy,  of  stockholders  holding a  majority  of the  stock of the  corporation
entitled to vote shall constitute a quorum at all meetings of the  stockholders.
In case a quorum shall not be present at any meeting,  a majority in interest of
the stockholders entitled to vote thereat,  present in person or by proxy, shall
have power to adjourn the meeting from time to time,  without  notice other than
announcement  at the meeting,  until the requisite  amount of stock  entitled to
vote shall be  present.  At any such  adjourned  meeting at which the  requisite
amount of stock  entitled  to vote shall be  represented,  any  business  may be
transacted  which  might  have been  transacted  at the  meeting  as  originally
noticed;  but  only  those  stockholders  entitled  to  vote at the  meeting  as
originally  noticed shall be entitled to vote at any adjournment or adjournments
thereof.

     SECTION 5. SPECIAL MEETINGS. - Special meetings of the stockholders for any
purpose  or  purposes  may  be  called  by the  President  or  Secretary,  or by
resolution of the directors.

     SECTION 6. NOTICE OF MEETINGS.  - Written notice,  stating the place,  date
and  time  of  the  meeting,  and  the  general  nature  of the  business  to be
considered,  shall be given to each stockholder  entitled to vote thereat at his
address as it appears on the records of the  corporation,  not less than ten nor
more than fifty days before the date of the meeting. No business other than that
stated in the notice shall be  transacted  at any meeting  without the unanimous
consent of all the stockholders entitled to vote thereat.

     SECTION 7.  ACTION  WITHOUT  MEETING.  - Unless  otherwise  provided by the
Certificate of  Incorporation,  any action required to be taken at any annual or
special meeting of stockholders,  or any action which may be taken at any annual
or special  meeting,  may be taken  without a meeting,  without prior notice and
without a vote,  if a consent  in  writing,  setting  forth the action so taken,
shall be signed by the  holders of  outstanding  stock  having not less than the
minimum number of votes that would be necessary to authorize or take such action
at a meeting at which all shares  entitled  to vote  thereon  were  present  and
voted. Prompt notice of the taking of the

                                       -2-

<PAGE>



corporate action without a meeting by less than unanimous  written consent shall
be given to those stockholders who have not consented in writing.


                                   ARTICLE III
                                    DIRECTORS

     SECTION 1. NUMBER AND TERM. - The number of directors shall be four (4). At
any time that there are less than three (3)  directors,  the number of directors
may not be less than the number of shareholders.  The directors shall be elected
at the annual meeting of the  stockholders and each director shall be elected to
serve until his successor  shall be elected and shall  qualify.  A director need
not be a stockholder.

     SECTION 2.  RESIGNATIONS.  - Any  director,  member of a committee or other
officer may resign at any time. Such resignation  shall be made in writing,  and
shall take effect at the time specified therein, and if no time be specified, at
the time of its receipt by the  President  or  Secretary.  The  acceptance  of a
resignation shall not be necessary to make it effective.


     SECTION  3.  VACANCIES.  - If the  office  of  any  director,  member  of a
committee or other officer  becomes vacant,  the remaining  directors in office,
though less than a quorum by a majority vote,  may appoint any qualified  person
to fill such vacancy, who shall hold office for the unexpired term and until his
successor shall be duly chosen.

     SECTION 4. REMOVAL.  - Any director or directors may be removed  either for
or  without  cause  at any  time by the  affirmative  vote of the  holders  of a
majority  of all the shares of stock  outstanding  and  entitled  to vote,  at a
special  meeting of the  stockholders  called for the purpose and the  vacancies
thus created may be filled,  at the meeting held for the purpose of removal,  by
the affirmative vote of a majority in interest of the  stockholders  entitled to
vote.

     SECTION 5. INCREASE OF NUMBER.  The number of directors may be increased by
amendment  of  these  By-Laws  by the  affirmative  vote  of a  majority  of the
directors,  though less than a quorum, or, by the affirmative vote of a majority
in interest of the  stockholders,  at the annual meeting or at a special meeting
called for that purpose, and by like vote the additional directors may be chosen
at such  meeting to hold office  until the next annual  election and until their
successors are elected and qualify.

     SECTION 6.  POWERS.  - The Board of  Directors  shall  exercise  all of the
powers of the  corporation  except such as are by law, or by the  Certificate of
Incorporation of the corporation or by these By-Laws  conferred upon or reserved
to the stockholders.

     SECTION 7.  COMMITTEES.  - The Board of  Directors  may, by  resolution  or
resolutions  passed by a  majority  of the whole  board,  designate  one or more
committees,  each  committee  to consist of two or more of the  directors of the
corporation.  The board may designate one or more directors as alternate members
of any committee, who may replace any absent or


                                       -3-

<PAGE>


disqualified  member  at  any  meeting  of the  committee.  In  the  absence  or
disqualification  of any member or such committee or  committees,  the member or
members  thereof present at any such meeting and not  disqualified  from voting,
whether or not he or they constitute a quorum,  may unanimously  appoint another
member of the Board of  Directors to act at the meeting in the place of any such
absent or disqualified member.

     Any such  committee,  to the extent provided in the resolution of the Board
of Directors,  or in these  By-Laws,  shall have and may exercise all the powers
and  authority of the Board of Directors in the  management  of the business and
affairs of the corporation,  and may authorize the seal of the corporation to be
affixed to all papers which may require it; but no such committee shall have the
power of authority in reference to amending the  Certificate  of  Incorporation,
adopting  an  agreement  of  merger  or   consolidation,   recommending  to  the
stockholders  the sale,  lease or  exchange of all or  substantially  all of the
corporation's   property  and  assets,   recommending  to  the   stockholders  a
dissolution of the corporation or a revocation of a dissolution, or amending the
By-Laws of the  corporation;  and unless the resolution,  these By-Laws,  or the
Certificate of Incorporation  expressly so provide, no such committee shall have
the power or  authority  to declare a dividend or to  authorize  the issuance of
stock.

     SECTION 8. MEETINGS.  - The newly elected Board of Directors may hold their
first meeting for the purpose of  organization  and the transaction of business,
if  a  quorum  be  present,   immediately   after  the  annual  meeting  of  the
stockholders;  or the time and place of such meeting may be fixed by consent, in
writing, of all the directors.

     Unless  restricted  by the  incorporation  document or  elsewhere  in these
By-Laws,  members of the Board of Directors or any committee  designated by such
Board  may  participate  in a meeting  of such  Board or  committee  by means of
conference  telephone or similar  communications  equipment allowing all persons
participating in the meeting to hear each other at the same time.  Participation
by such means shall constitute presence in person at such meeting.

     Regular meetings of the Board of Directors may be scheduled by a resolution
adopted by the Board.  The  Chairman of the Board or the  President or Secretary
may call,  and if requested by any two directors,  must call special  meeting of
the Board and give five days' notice by mail, or two days' notice  personally or
by  telegraph  or cable to each  director.  The Board of  Directors  may hold an
annual  meeting,  without  notice,  immediately  after  the  annual  meeting  of
shareholders.

     SECTION 9. QUORUM.  - A majority of the directors shall constitute a quorum
for the  transaction of business.  If at any meeting of the board there shall be
less than a quorum present,  a majority of those present may adjourn the meeting
from time to time until a quorum is obtained, and no further notice thereof need
be given other than by announcement at the meeting which shall be so adjourned.

     SECTION 10.  COMPENSATION.  - Directors shall not receive any stated salary
for their services as directors or as members of  committees,  but by resolution
of the  board  a  fixed  fee and  expenses  of  attendance  may be  allowed  for
attendance at each meeting. Nothing herein


                                       -4-

<PAGE>


contained  shall  be  construed  to  preclude  any  director  from  serving  the
corporation  in any  other  capacity  as an  officer,  agent or  otherwise,  and
receiving compensation therefor.

     SECTION 11. ACTION WITHOUT  MEETING.  - Any action required or permitted to
be taken at any meeting of the Board of Directors,  or of any committee  therof,
may be taken  without  a  meeting,  if prior to such  action a  written  consent
thereto is signed by all members of the board,  or of such committee as the case
may be, and such written consent is filed with the minutes of proceedings of the
board or committee.


                                   ARTICLE IV
                                    OFFICERS

     SECTION  1.  OFFICERS.  -  The  officers  of  the  corporation  shall  be a
President,  a Treasurer,  and a  Secretary,  all of whom shall be elected by the
Board of Directors and who shall hold office until their  successors are elected
and qualified.  In addition, the Board of Directors may elect a Chairman, one or
more Vice-Presidents and such Assistant  Secretaries and Assistant Treasurers as
they may deem proper. None of the officers of the corporation need be directors.
The  officers  shall be elected at the first  meeting of the Board of  Directors
after each annual meeting. More than two offices may be held by the same person.

     SECTION 2. OTHER OFFICERS AND AGENTS.  - The Board of Directors may appoint
such other  officers and agents as it may deem  advisable,  who shall hold their
offices for such terms and shall exercise such powers and perform such duties as
shall be determined from time to time by the Board of Directors.

     SECTION3.  CHAIRMAN.  - The Chairman of the Board of  Directors,  if one be
elected,  shall  preside at all meetings of the Board of Directors  and he shall
have and perform  such other  duties as from time to time may be assigned to him
by the Board of Directors.

     SECTION 4. PRESIDENT.  - The President shall be the chief executive officer
of the  corporation  and shall have the general powers and duties of supervision
and management  usually  vested in the office of President of a corporation.  He
shall preside at all meetings of the stockholders if present thereat, and in the
absence  or  non-election  of the  Chairman  of the Board of  Directors,  at all
meetings  of the  Board  of  Directors,  and  shall  have  general  supervision,
direction and control of the business of the corporation. Except as the Board of
Directors shall authorize the execution  thereof in some other manner,  he shall
execute bonds,  mortgages and other contracts in behalf of the corporation,  and
shall cause the seal to be affixed to any  instrument  requiring  it and when so
affixed the seal shall be  attested by the  signature  of the  Secretary  or the
Treasurer or Assistant Secretary or an Assistant Treasurer.

     SECTION 5. VICE-PRESIDENT. - Each Vice-President shall have such powers and
shall perform such duties as shall be assigned to him by the directors.


                                       -5-

<PAGE>



     SECTION  6.  TREASURER.  - The  Treasurer  shall  have the  custody  of the
corporate  funds and  securities  and shall  keep full and  accurate  account of
receipts  and  disbursements  in books  belonging to the  corporation.  He shall
deposit  all  moneys  and other  valuables  in the name and to the credit of the
corporation in such depositaries as may be designated by the Board of Directors.

     The Treasurer shall disburse the funds of the corporation as may be ordered
by the Board of Directors,  or the  President,  taking proper  vouchers for such
disbursements.  He shall render to the  President  and Board of Directors at the
regular meetings of the Board of Directors,  or whenever they may request it, an
account of all his  transactions as Treasurer and of the financial  condition of
the  corporation.  If  required  by the Board of  Directors,  he shall  give the
corporation  a bond for the faithful  discharge of his duties in such amount and
with such surety as the board shall prescribe.

     SECTION 7.  SECRETARY.  - The  Secretary  shall give, or cause to be given,
notice of all meetings of  stockholders  and  directors,  and all other  notices
required by the law or by these  By-Laws,  and in case of his absence or refusal
or  neglect  so to do,  any such  notice  may be given by any  person  thereunto
directed by the President,  or by the  directors,  or  stockholders,  upon whose
requisition the meeting is called as provided in these By-Laws.  He shall record
all the proceedings of the meetings of the corporation and of the directors in a
book to be kept for that purpose,  and shall perform such other duties as may be
assigned to him by the directors or the President.  He shall have the custody of
the  seal of the  corporation  and  shall  affix  the  same  to all  instruments
requiring it, when authorized by the directors or the President,  and attest the
same.

     SECTION 8.  ASSISTANT  TREASURERS  AND ASSISTANT  SECRETARIES.  - Assistant
Treasurers  and Assistant  Secretaries,  if any, shall be elected and shall have
such  powers  and  shall  perform  such  duties  as shall be  assigned  to them,
respectively, by the directors.


                                   ARTICLE V.
                                  MISCELLANEOUS

     SECTION 1.  CERTIFICATES OF STOCK. - A certificate of stock,  signed by the
Chairman  or  Vice-Chairman  of the  Board  of  Directors,  if they be  elected,
President or Vice- President,  and the Treasurer or an Assistant  Treasurer,  or
Secretary or Assistant Secretary, shall be issued to each stockholder certifying
the number of shares owned by him in the corporation. When such certificates are
countersigned  (1)  by a  transfer  agent  other  than  the  corporation  or its
employee, or, (2) by a registrar other than the corporation or its employee, the
signatures of such officers may be facsimiles.

     SECTION 2. LOST CERTIFICATES. - A new certificate of stock may be issued in
the place of any certificate  theretofore issued by the corporation,  alleged to
have been lost or destroyed, and the directors may, in their discretion, require
the owner of the lost or destroyed certificate, or his legal representatives, to
give the corporation a bond, in such sum as they may

                                       -6-

<PAGE>


direct,  not  exceeding  double  the  value  of  the  stock,  to  indemnify  the
corporation  against  any claim  that may be made  against  it on account of the
alleged  loss  of  any  such  certificate,  or the  issuance  of  any  such  new
certificate.

     SECTION 3.  TRANSFER  OF SHARES.  - The shares of stock of the  corporation
shall be  transferrable  only upon its books by the holders thereof in person or
by their  duly  authorized  attorneys  or legal  representatives,  and upon such
transfer the old  certificate  shall be  surrendered  to the  corporation by the
delivery  thereof  to the person in charge of the stock and  transfer  books and
ledgers,  or to such other person as the directors may  designate,  by whom they
shall be cancelled,  and new  certificates  shall thereupon be issued.  A record
shall  be made of each  transfer  and  whenever  a  transfer  shall  be made for
collateral security,  and not absolutely,  it shall be so expressed in the entry
of the transfer.

     SECTION 4.  STOCKHOLDERS  RECORD DATE. - In order that the  corporation may
determine  the  stockholders  entitled to notice of or to vote at any meeting of
stockholders  or any  adjournment  thereof,  or to express  consent to corporate
action in  writing  without a meeting,  or  entitled  to receive  payment of any
dividend  or other  distribution  or  allotment  of any  rights,  or entitled to
exercise any rights in respect of any change, conversion or exchange of stock or
for the  purpose of any date,  which  shall not be more than sixty nor less than
ten days before the date of such meeting,  nor more than sixty days prior to any
other action. A determination of stockholders of record entitled to notice of or
to vote at a meeting  of  stockholders  shall  apply to any  adjournment  of the
meeting;  provided,  however,  that the Board of Directors  may fix a new record
date for the adjournment meeting.

     SECTION 5.  DIVIDENDS.  - Subject to the  provisions of the  Certificate of
Incorporation,  the  Board of  Directors  may,  out of funds  legally  available
therefor at any regular or special meeting,  declare  dividends upon the capital
stock of the corporation as and when they deem expedient.  Before  declaring any
dividend  there may be set apart out of any funds of the  corporation  available
for  dividends,  such sum or sums as the  directors  from  time to time in their
discretion  deem  proper  for  working  capital  or as a  reserve  fund  to meet
contingencies  or for  equalizing  dividends  or for such other  purposes as the
directors shall deem conducive to the interests of the corporation.

     SECTION 6. SEAL. - The  corporate  seal shall be circular in form and shall
contain  the name of the  corporation,  the year of its  creation  and the words
"Corporate  Seal,  Delaware,  1900".  Said seal may be used by  causing  it or a
facsimile thereof to be impressed or affixed or reproduced or otherwise.

     SECTION 7.  FISCAL  YEAR.  - The fiscal  year of the  corporation  shall be
determined by resolution of the Board of Directors.

     SECTION 8. CHECKS. - All checks,  drafts or other orders for the payment of
money,  notes or  other  evidences  of  indebtedness  issued  in the name of the
corporation shall be signed by such officer or officers,  agent or agents of the
corporation,  and in such  manner  as shall be  determined  from time to time by
resolution of the Board of Directors.


                                       -7-

<PAGE>


     SECTION 9. NOTICE AND WAIVER OF NOTICE.  - Whenever  any notice is required
by these By-Laws to be given,  personal notice is not meant unless  expressly so
stated,  and any notice so required shall be deemed to be sufficient if given by
depositing the same in the United States mail,  postage,  prepaid,  addressed to
the person  entitled  thereto at his address as it appears on the records of the
corporation,  and such  notice  shall be deemed to have been given on the day of
such mailing. Stockholders not entitled to vote shall not be entitled to receive
notice of any meetings except as otherwise provided by Statute.

     Whenever any notice  whatever is required to be given under the  provisions
of any law, or under the provisions of the Certificate of  Incorporation  of the
corporation of these By-Laws, a waiver thereof in writing,  signed by the person
or persons  entitled  to said  notice,  whether  before or after the time stated
therein, shall be deemed equivalent thereto.


                                   ARTICLE VI
                                   AMENDMENTS

     These  By-Laws  may be altered or  repealed  and By-Laws may be made at any
annual meeting of the  stockholders  or at any special meeting thereof if notice
of the  proposed  alteration  or  repeal  of  By-Law  or  By-Laws  to be made be
contained in the notice of such special  meeting,  by the affirmative  vote of a
majority of the stock issued and outstanding and entitled to vote thereat, or by
the  affirmative  vote of a majority of the Board of  Directors,  at any regular
meeting of the Board of  Directors,  or at any  special  meeting of the Board of
Directors,  if notice of the proposed  alteration or repeal of By-Law or By-Laws
to be made, be contained in the notice of such special meeting.


                                   ARTICLE VII
                                 INDEMNIFICATION

     No director shall be liable to the  corporation or any of its  stockholders
for  monetary  damages for breach of fiduciary  duty as a director,  except with
respect to (1) a breach of the director's  duty of loyalty to the corporation or
its  stockholders,  (2) acts or  omissions  not in good  faith or which  involve
intentional misconduct or a knowing violation of law, (3) liability which may be
specifically defined by law or (4) a transaction from which the director derived
an improper personal benefit,  it being the intention of the foregoing provision
to eliminate the liability of the corporation's  directors to the corporation or
its stockholders to the fullest extent  permitted by law. The corporation  shall
indemnify  to the  fullest  extent  permitted  by law each  person that such law
grants the corporation the power to indemnify.


                                       -8-



EXHIBIT 10.1

                                LICENSE AGREEMENT

     This  Agreement  is made this 1st day of  September,  1993  between  Temple
University  Of The  Commonwealth  System  of  Higher  Education,  a  corporation
organized  and  existing  under the laws of the  Commonwealth  of  Pennsylvania,
having a  principal  place of business at Broad  Street and  Montgomery  Avenue,
Philadelphia,  Pennsylvania and Sierra Diagnostics,  a corporation organized and
existing under the laws of the State of California,  having a principal place of
business at 15785 Shady Oak Drive, Sonora, California 95370.

     WHEREAS, Temple University - Of The Commonwealth System of Higher Education
is the assignee of the entire interest in United States Patent Number  4,446,230
issued  May 1, 1984  entitled  "Test  Method  for the  Laboratory  Diagnosis  of
Gonorrhea and Test Strain of Neisseria Gonorrhoeae"; and

     WHEREAS,  Sierra  Diagnostics  desires  to  obtain an  exclusive  worldwide
license under the aforementioned patent and know-how related thereto.

     NOW,  THEREFORE,  in consideration of the premises and of the covenants and
obligations  hereinafter set forth, the parties,  intending to be legally bound,
agree as follows:

     1.   DEFINITIONS

          The following definitions will apply throughout this Agreement:

     1.1  "COMPANY" shall mean Sierra Diagnostics and its AFFILIATES.

     1.2 "TEMPLE"  shall mean Temple  University Of The  Commonwealth  System of
Higher Education.

     1.3 "AFFILIATES" shall mean each and every business entity controlled by or
under  common  control  with  COMPANY  for  the  purposes  of  manufacture   and
distribution  of LICENSED  PRODUCT.  For purposes of this  definition  "control"
shall mean ownership, directly or indirectly, of at least fifty percent (51%) of
the voting stock.

     1.4  "CONFIDENTIAL  INFORMATION"  shall mean all  information  disclosed or
samples supplied by either party to the other party pursuant to this Agreement.

     However,  CONFIDENTIAL INFORMATION shall not include information which: (i)
was known to the  receiving  party prior to the date of  disclosure by the other
party or is developed  independently of information received from the disclosing
party by those who have not had access to this information;  or (ii) is lawfully
received  in good faith at any time by the  receiving  party from a third  party
lawfully in possession of the same and having the right to disclose the same;



<PAGE>

or (iii) is, as of the date of  receipt  in the  public  domain or  subsequently
enters  the  public  domain  other  than by reason of acts or  omissions  of the
receiving  party;  or (iv) is required to be disclosed by law,  rule of court or
regulation.

     1.5 "LICENSED  PATENT"  shall mean United  States  Patent Number  4,446,230
issued  May 1, 1984  entitled  "Test  Method  for the  Laboratory  Diagnosis  of
Gonorrhea and Test Strain of Neisseria Gonorrhoeae".

     1.6  "LICENSED  PRODUCT"  shall mean any  product,  process or use  thereof
covered by LICENSED PATENT.

     1.7  "TECHNICAL   INFORMATION"   shall  mean  any  confidential   technical
information relating to LICENSED PRODUCT, which information is the possession of
TEMPLE as of the  effective  date of this  Agreement,  and which is necessary or
useful to COMPANY in furtherance of the development, manufacture or marketing of
LICENSED PRODUCT.

     1.8 " NET SALES" shall mean the gross  receipts from sales by COMPANY or by
its  sublicensees  of LICENSED  PRODUCT  sold and subject to royalty  under this
Agreement less deductions for: (i) transportation charges,  including insurance,
sales and excise  taxes and  duties  paid;  (ii)  normal  and  customary  trade,
quantity  and  cash  discounts  allowed;  (iii)  sales  commissions;   and  (iv)
allowances on account of rejection or return by customers of products subject to
royalty under this Agreement.

     2. DISCLOSURE OF INFORMATION

     2.1  "CONFIDENTIAL  INFORMATION"  disclosed  in  documentary  form shall be
marked  "Confidential."  Oral discussions of CONFIDENTIAL  INFORMATION  shall be
reduced to  writing by the  disclosing  party and a copy  marked  "Confidential"
provided  to the  receiving  party  within  thirty  (30) days of the date of the
disclosure.

     2.2 The receiving party shall, for a period of five (5) years from the date
of disclosure of CONFIDENTIAL INFORMATION, hold said CONFIDENTIAL INFORMATION in
strict confidence;  not use said CONFIDENTIAL  INFORMATION except as provided in
this  Agreement;  and not disclose,  directly or indirectly,  said  CONFIDENTIAL
INFORMATION  to any third  party  except with the prior  written  consent of the
disclosing party.

     2.3 The receiving  party shall,  upon request by the other party,  promptly
return all written materials or samples of tangible property received hereunder,
as  well as all  summaries  thereof  and  notes  pertaining  thereto,  with  the
exception  that  one  copy of said  written  materials  may be  retained  by the
receiving party solely for archival purposes.

     2.4 Notwithstanding any other provision of this Agreement, it is recognized
by  COMPANY  that  TEMPLE  shall have the right to  publish  the  results of any
research concerning LICENSED PRODUCT. However, TEMPLE agree to notify COMPANY in
writing of any such  proposed  publication  thirty (30) days before  submission.
COMPANY may request deletion of

                                       -2-

<PAGE>

sensitive information from the proposed  publication,  and TEMPLE agrees to give
good faith consideration to such a request.

     3. GRANT OF LICENSE

     3.1 Beginning on the  effective  date of this  Agreement,  TEMPLE grants to
COMPANY a  non-exclusive  license under the LICENSED  PATENT,  with the right to
grant  sub-licenses,  to make,  have made, use and sell LICENSED  PRODUCT in the
United States, which license shall become exclusive beginning January 1, 1994.

     3.2 Beginning on the  effective  date of this  Agreement,  TEMPLE grants to
COMPANY a non-exclusive worldwide license under the TECHNICAL INFORMATION,  with
the right to grant  sub-licenses,  to make,  have  made,  use and sell  LICENSED
PRODUCT, which license shall become exclusive beginning January 1, 1994.

     3.3  Notwithstanding  the preceding license grant,  TEMPLE shall retain the
right to practice LICENSED PATENT and TECHNICAL INFORMATION royalty-free for its
own internal, non-commercial purposes.

     4. PAYMENTS

     4.1 In  consideration  of the license granted to COMPANY under the LICENSED
PATENT  by TEMPLE  pursuant  to  Paragraph  3.1,  COMPANY  shall pay to TEMPLE a
royalty  on NET SALES of  LICENSED  PRODUCT  manufactured  or sold in the United
States during the term of this Agreement, said royalty to be equal to:

     (i)  four  percent (4%) of such NET SALES up to and  including  two million
          dollars ($2,000,000.00) in each calendar year; plus

     (ii) three percent (3%) of such NET SALES in excess of two million  dollars
          ($2,000,000.00)   but  not  in   excess   of  four   million   dollars
          ($4,000,000.00) in each calendar year; plus

    (iii) two percent (2%) of such NET SALES in excess of four  million  dollars
          ($4,000,000.00) in each calendar year.

     4.2 In  consideration of the license granted to COMPANY under the TECHNICAL
INFORMATION by TEMPLE  pursuant  Paragraph  3.2,  COMPANY shall pay to TEMPLE an
additional  royalty  on NET  SALES  of  LICENSED  PRODUCT  manufactured  or sold
anywhere in the world during the term of this Agreement said royalty to be equal
to:

     (i)  three  percent (3%) of such NET SALES up to and  including two million
          dollars ($2,000,000.00) in each calendar year; plus

                                       -3-

<PAGE>

     (ii) two percent  (2%) of such NET SALES in excess of two  million  dollars
          ($2,000,000.00)   but  not  in   excess   of  four   million   dollars
          ($4,000,000.00) in each calendar year; plus

    (iii) one percent (1%) of such NET SALES in excess of four  million  dollars
          ($4,000,000.00) in each calendar year.

     4.3 The royalty  payments due pursuant to Paragraph 4.1 will end coincident
with the expiration date of LICENSED PATENT.

     4.4 The royalty  payments due pursuant to Paragraph  4.2 will end seven (7)
years from the effective date of this Agreement.

     4.5 COMPANY  shall make minimum  annual  royalty  payments to TEMPLE in the
amount of ten thousand  dollars  ($10,000.00),  regardless of or irrespective of
actual NET SALES of LICENSED PRODUCT,  beginning on the third anniversary of the
execution of this Agreement and continuing on each anniversary thereafter.

     5. STATEMENTS AND REMITTANCES

     5.1 COMPANY shall keep and shall require its sub-licensees to keep complete
and adequate records relating to the manufacture and sale of LICENSED PRODUCT.

     5.2  Within  sixty  (60) days  after the  close of each  calendar  quarter,
COMPANY  shall  remit to  TEMPLE a  statement  of  sales by  COMPANY  and by its
sub-licensees  on account for the quarter.  The financial  statements of COMPANY
and of its  sub-licensees  will be audited annually by an independent  certified
public accountant.  TEMPLE shall have the right to employ, at its own expense, a
qualified  accountant  of its  own  selection  to  whom  COMPANY  shall  have no
unreasonable  objection,  to examine  the books and  records of COMPANY  and its
sub-licensees relating to sales of LICENSED PRODUCT for the purpose of verifying
the amount of royalty  payments  due. Such  examination  of books and records of
COMPANY and its  sub-licensees  shall take place during  regular  business hours
during the term of this  Agreement and for two (2) years after its  termination,
provided however, that such an examination shall not take place more than once a
year and shall not cover  records for more than the  preceding  three (3) years,
and provided that such accountant shall report to TEMPLE only as to the accuracy
of the  royalty  statements  and  payments.  If such  accountant  shall  find an
underpayment to TEMPLE,  presentation of a written statement  substantiating the
underpayment  will be provided to COMPANY.  If COMPANY is not in agreement  with
the findings of the qualified  accountant selected by TEMPLE, then COMPANY shall
so notify  TEMPLE in writing  within  thirty  (30) days of receipt by COMPANY of
said findings, in which case the parties will jointly appoint,  within a further
period of thirty (30) days, an independent  qualified accountant to validate, at
COMPANY's  expense,  TEMPLE's  accountant's  findings,  and the decision of said
independent  accountant shall be final. If said independent  accountant verifies
that an underpayment has occurred,  the amount due and interest (accruing at the
prevailing  Prime Rate from the date  payment was due through the date of actual
payment to TEMPLE) shall be paid to TEMPLE within thirty (30) days.  Should such
underpayment represent more than five percent (5%) of the

                                       -4-

<PAGE>

royalties  due  TEMPLE,  COMPANY  shall  reimburse  TEMPLE  for the  cost of the
examination by TEMPLE's accountant which disclosed such underpayment.

     5.3 All payments by COMPANY to TEMPLE under this Agreement shall be made in
United States dollars.  TEMPLE shall have the right,  upon giving written notice
to COMPANY,  to request and receive royalty payments within a particular country
or  territory of the  LICENSED  TERRITORY in the local  currency if permitted by
law.

     5.4 All payments due TEMPLE, pursuant to Paragraphs 4.1 and 4.2, on account
of NET SALES of LICENSED PRODUCT made by COMPANY and by its sub-licensees during
each calendar quarter and,  pursuant to Paragraph 9.2, on account of all amounts
of money  received  by  COMPANY  from its  sub-licensees  during  each  calendar
quarter,  shall be paid by COMPANY to TEMPLE within sixty (60) days of the close
of said calendar quarter.

     5.5 If  COMPANY  fails to make  any  payment  due  TEMPLE  within  the time
prescribed by the terms of this Agreement,  a penalty equal to five percent (5%)
of the unpaid amount shall added to the amount due.

     6. REPRESENTATIONS

     6.1 TEMPLE  represents  that it has the right to enter into this  Agreement
and to grant the licenses under the LICENSED PATENT and TECHNICAL INFORMATION.

     6.2 A holding of invalidity or  unenforceability  of LICENSED  PATENT shall
not affect the royalty obligation of COMPANY under TECHNICAL INFORMATION.

     7. PATENT PROSECUTION AND LITIGATION

     7.1 TEMPLE agrees to maintain LICENSED PATENT,  at its own expense,  during
the term of this Agreement.

     7.2 COMPANY, at its option, may defend any claim, made by others, of patent
infringement  resulting from the manufacture,  use, sale or other disposition of
LICENSED  PRODUCT,  whether such claim shall be made against TFEMPLE or COMPANY,
and if COMPANY  defends such claim,  COMPANY  shall bear all costs and expenses,
including  reasonable  attorneys'  fees,  incurred in  connection  with any such
claim.  These  costs will be a credit  against  fifty  percent  (50%) of royalty
payments due to TEMPLE each year during the term of this  Agreement  until fully
offset. Each party of this Agreement agrees that it shall notify the other party
in writing in the event any claim of infringement is made against that party.

     7.3 In the event either  party  becomes  aware of any actual or  threatened
infringement  of LICENSED  PATENT,  that party shall  promptly  notify the other
party in writing.  COMPAN-Y shall have the first right to bring an  infringement
action  against any third party and to use TEMPLE's name if legally  required in
connection  therewith.  If COMPANY  does not proceed  with a  particular  patent
infringement action or attempt to sub-license such third party within ninety

                                       -5-

<PAGE>

(90) days of notification,  TEMPLE, after notifying COMPANY in writing, shall be
entitled  to proceed  against  such  infringement  at its own  expense,  through
counsel of its choosing.  The party conducting such suit shall have full control
over its conduct.  In any event, TEMPLE and COMPANY shall assist one another and
cooperate  in  any  such  litigation.   TEMPLE  and  COMPANY  may  also  jointly
participate in any infringement action if both parties agree to do so in writing
in advance, and set forth the basis for sharing of expenses.

     7.4  Any  recovery  by  either  party  as a  result  of any  litigation  or
settlement thereof shall first satisfy the attorney's fees and costs incurred by
the enforcing party in such litigation. Any excess of recoveries over attorney's
fees and costs of the enforcing party shall first satisfy  royalty  payments due
to TFEMPLE,  with any remaining balance to the enforcing party. Each party shall
always have the right to be  represented  by counsel of its own selection and at
its own  expense in any suit  instituted  by another  for  infringement.  If the
parties  have  agreed to  participate  jointly in an  infringement  action,  any
recovery  in excess of  satisfying  the  parties'  attorney  fees,  costs of the
litigation  and  payment  of  the  royalty  due  to  TEMPLE  on  account  of the
infringement,  shall be allocated to the parties in the same  proportion  as the
sharing of the litigation expenses.

     8. INDEMNITY

     8.1 COMPANY  agrees to indemnify,  hold harmless,  and defend  TEMPLE,  its
trustees,  officers,  employees and agents against any and all claims, excluding
claims, stemming from TEMPLE's use of LICENSED PRODUCT as outlined in Paragraphs
3.1 and 3.2,  including  legal fees and costs arising out of the exercise of any
rights under this Agreement,  without  limiting the generality of the foregoing,
against any damages,  losses or liabilities whatsoever including but not limited
to death or injury to person or damage to property  arising from the  commercial
sale and clinical research of LICENSED PRODUCT by COMPANY,  its sub-licensees or
any customers of any of them in any manner whatsoever. TEMPLE shall give COMPANY
written  notice of any claim(s)  related to LICENSED  PRODUCT within thirty (30)
days,  and TEMPLE shall  reasonably  cooperate  with  COMPANY and its  insurance
carrier in the defense of any such claim(s).

     8.2 In addition to the foregoing, COMPANY shall maintain, during the period
that any  LICENSED  PRODUCT is sold  pursuant to this  Agreement,  Comprehensive
Liability Insurance,  including Products Liability  Insurance,  with a reputable
and financially  secure insurance  carrier(s) to cover the activities of COMPANY
and its sublicensees,  if any, contemplated by this Agreement for minimum limits
of two million dollars ($2,000,000.00) per occurrence. Such insurance shall name
TEMPLE, its trustees,  officers,  employees,  and agents as additional insureds.
COMPANY  shall  furnish a Certificate  of  Insurance,  upon request,  evidencing
coverage of two million  dollars  ($2,000,000.00)  with thirty (30) days written
notice of cancellation or material change to TEMPLE.  COMPANY's  insurance shall
be written to cover claims incurred, discovered,  manifested, or made during the
term, or after the  expiration,  of this  Agreement.  COMPANY shall at all times
comply,  through  insurance  or  self-insurance,  with  all  statutory  workers'
compensation  and  employers'  liability   requirements  covering  any  and  all
employees with respect to activities performed under this Agreement.

     9. SUB-LICENSES

                                       -6-

<PAGE>

     9.1  COMPANY  shall  have the right to enter into  sub-license  agreements,
provided that all applicable  material terms of this Agreement are  incorporated
into such  sublicense  agreements  to  provide  for the  protection  of  TEMPLE,
trustees,  officers,  employees  and agents,  and provided  further that COMPANY
remains primarily liable for its obligations under this Agreement. A copy of any
sub-license  agreement  shall be  provided  to TEMPLE  for its  review  prior to
execution.

     9.2 COMPANY  agrees to pay to TEMPLE  twenty five percent (25%) of all sums
of money,  other than  royalties  on account of NET SALES of  LICENSED  PRODUCT,
which COMPANY receives from its sub-licensees,  including but not limited to all
sublicense fees and minimum royalties paid by sub-licensees to COMPANY.

     10. ASSIGNMENT

     10.1 Neither party may assign this Agreement,  in whole or in part, without
the Written consent of the other, except if such assignment occurs in connection
with the sale of all or  substantially  all of the business and assets of TEMPLE
or  COMPANY.  Both  parties  agree that such  consent to an  assignment  of this
Agreement shall not be unreasonably withheld.

     11. TERMINATION

     11.1 COMPANY may terminate  this  Agreement for any reason  whatsoever,  in
COMPANY's  sole  discretion,  by giving  TEMPLE three (3) months  prior  written
notification.

     11.2 Any expiration or early termination of this Agreement shall be without
prejudice to the rights of either party against the other for recovery of monies
accrued or accruing under this Agreement prior to termination.

     11.3 Either party may  terminate  this  Agreement by giving the other party
sixty  (60) days prior  written  notice  upon  material  breach of any  material
provision  of this  Agreement  by the other  party,  unless such breach is cured
within the period of such notice, or an extension of this period is agreed to in
writing by both  parties.  However,  the notice period shall be only thirty (30)
days for any breach by COMPANY for  nonpayment  of monies due TEMPLE  under this
Agreement.

     11.4  This  Agreement  shall  immediately  terminate  if  either  party  is
adjudicated  bankrupt,  files a  voluntary  petition  in  bankruptcy,  makes  or
executes an assignment for the benefit of creditors, is liquidated or dissolved,
or  a   receiver,   trustee,   liquidator,   sequestrator   or  other   judicial
representative  is appointed  for either party or its  property.  In such event,
that party  shall  execute  any  documents  that are  necessary  to  reassign or
transfer the interest granted hereunder.

     12. RIGHTS AND DUTIES ON TERMINATION

     12.1  Upon   termination  of  this   Agreement  all  provisions   regarding
confidentiality  shall  continue  in full force and effect  until five (5) years
from the date of termination.

                                       -7-

<PAGE>

     12.2 Upon  termination  of this  Agreement,  TEMPLE shall have the right to
retain any  amounts  already  paid to it by COMPANY  under  this  Agreement  and
COMPANY  shall pay to TEMPLE all  amounts  accrued  which are then due and which
become due based on sales of LICENSED PRODUCT, manufactured or produced prior to
the effective date of termination.

     13. GOVERNING LAW

     13.1 This  Agreement  shall be construed and the  respective  rights of the
parties hereto determined  according to the substantive laws of the Commonwealth
of Pennsylvania, notwithstanding the provisions governing conflict of laws under
such Pennsylvania law to the contrary.

     14. SEVERANCE

     14.1  If  any  provision  of  this  Agreement  is  held  to be  invalid  or
unenforceable  under  the laws of any  jurisdiction  of the  parties,  all other
provisions shall, nevertheless continue in full force and effect.

     15. AMENDMENTS

     15.1 This Agreement  constitutes the entire  agreement  between the parties
and supersedes all previous arrangements, whether written or oral. Any amendment
or  modification  to this  Agreement  shall be made in  writing  signed  by both
parties.

     16. PATENT MARKING

     16.1  COMPANY  agrees to mark or have marked all  LICENSED  PRODUCT sold by
CONTANY or by its  sub-licensees  under this  Agreement in  accordance  with the
statutes of the United  States and  countries  and  territories  relating to the
marketing  of  patented  articles  in which any  LICENSED  PRODUCT  covered by a
granted patent is marketed.

     17. NOTICES

     17.1 Notices and payments to TEMPLE shall be addressed to:

          Office of Technology Transfer
          Temple University (083-45)
          406 University Sciences Building
          Broad & Oxford Streets
          Philadelphia, Pennsylvania 19122

          Notices to COMPANY shall be addressed to:

          Sierra Diagnostics
          15785 Shady Oak Drive


                                       -8-

<PAGE>

          Sonora, California 95370

Either  party may change its  address  for notice by giving  notice to the other
party in the manner herein provided.  Any notice required or provided for by the
terms of this Agreement  shall be in writing and sent by registered or certified
mail,  return  receipt  requested,  postage  prepaid and  properly  addressed in
accordance with the paragraph  above.  The effective date of notice shall be the
actual date of receipt by TEMPLE or COMPANY.

     IN WITNESS  WHEREOF,  the parties have caused this Agreement to be executed
by their duly authorized representatives as of the date first above written.

FOR TEMPLE UNIVERSITY OF THE COMMONWEALTH SYSTEM OF HIGHER EDUCATION

BY /s/ Laurent J. Remillard                                        DATE  9/21/93
   -------------------------------------
   Name: Laurent J. Remillard
   Title: Vice President, Chief Financial Officer and Treasurer

FOR SIERRA DIAGNOSTICS

BY /s/ Tony K. Baker                                              DATE  10/27/93
   -------------------------------------
   Name: Tony K. Baker
   Title: President

ATTEST /s/ Judith E. Baker                                        DATE  10/27/93
       ---------------------------------
       Name: Judith E. Baker
       Title: Secretary

                                       -9-





                                                                    EXHIBIT 10.2

                                STATE OF ALABAMA
                              DEPARTMENT OF FINANCE

                             DIVISION OF PURCHASING

<TABLE>
<CAPTION>
<S>                      <C>                                  <C>
                              RSA Union Building
                            100 North Union Street
DON SIEGELMAN                      Suite 192                          BILL NEWTON
  Governor                     P.O. Box 302620                Assistant Finance Director
                         Montgomery, Alabama 36130-2620       Acting Director of Purchasing
HENRY C. MARRY, III        Telephone (334) 242-7250
Director of Finance           Fax (334) 242-4410
</TABLE>



                                  July 20, 1999



Tony Baker
Sierra Diagnostics
21109 Longeway Road
Sonora, CA 95370


Dear Mr. Baker:


Subject: Contract 4004293, Gonostat Kits


The above contract will expire September 30, 1999. It is the desire of the using
agency to extend this contract for an additional year. This would be at the same
terms, conditions, and prices currently in effect. The new expiration date will
be September 30, 2000. If this is acceptable to your company, please indicate
below and return to my attention at FAX 334/242-4419. If you have any questions,
please contact me at 334/242-4201.

Thank you for your cooperation.

Best regards:                    Agreed /s/ Tony Baker             20 July, 1999
                                        ----------------------------------------
                                            Signature                  Date


/s/ Bernie Arant
Buyer



<PAGE>



          STATE OF ALABAMA          CONTRACT NO.        4004293           Page 1
                                    BUYER               BERNIE ARANT
        DEPARTMENT OF FINANCE       BUYER PHONE         (334) 242-4201
        DIVISION OF PURCHASING      T-NUMBER            TA128
                                    DATE ISSUED         07/20/99
                                    SNAP REQ. NO.       1153027
                                    EFFECTIVE DATE      10/27/98
     AGENCY TERM CONTRACT AWARD     EXPIRATION DATE     09/30/00
                                    SOLICITATION NO.    98-X-2071912
                                    VENDOR NUMBER       77037465600
                                    VENDOR PHONE        (209)536-0886


SIERRA DIAGNOSTICS
21109 LONGEWAY RD
SONORA     CA 95370

BID SIGNED BY TONY BAKER

      AGENCY TERM CONTRACT:      GONOSTAT KITS

1.   EFFECTIVE PERIOD: 10/27/98 TO 09/30/00

2.   F.O.B. POINT: DEST

3.   DELIVERY TERMS: 30 DAYS ARO

4.   CASH DISCOUNT TERMS: NET

5.   BID REFERENCE NO.:

6.   AWARDED LINES: 00001

7.   DISCOUNTS: UNIT PRICES INCLUDE ALL APPLICABLE DISCOUNTS

     ALL  TERMS, CONDITIONS, AND ANY AMENDMENTS TO SOLICITATION 98-X-2071912 ARE
          PART OF THIS CONTRACT AS IF FULLY REPRODUCED HEREIN.



APPROVED:/s/ Bill Newton
         ------------------------
         ACTING PURCHASING DIRECTOR


                                   VENDOR COPY


<PAGE>


<TABLE>
<CAPTION>
PRICE SHEET                                                AGENCY TERM CONTRACT AWARD
VENDOR:  SIERRA DIAGNOSTICS                                CONTRACT NO.:4004293                              PAGE 2
                                                           VENDOR NO.:  77037465600

LINE                                                               ESTIMATED                                          EXTENDED AMT
NO.     COMMODITY/SERVICE DESCRIPTION                              QUANTITY           UNIT           UNIT PRICE       IF APPLICABLE
<S>                                                                   <C>             <C>            <C>                <C>
        UNLESS SPECIFIED OTHERWISE BELOW:
        SHIP TO:         Rl
        STATEWIDE

00001   COMMODITY CODE! 193-40-071377                                 1               KIT            $175.00000         $ 175.00
        SUPPLY THE FOLLOWING PRODUCTS
        FOR THE PERIOD 4-1-98 THRU 9-30-2000
        WITH THE OPTION TO RENEW FOR 2 MORE
        YEARS.
        ITEMS TO BE ORDERED AS NEEDED BY THE
        BUREAU OF CLINICAL LABORATORIES.

        GONOSTAT DIAGNOSTIC TEST KIT FOR N.
        GONORRHOEAE.

        TECHNOLOGY:  GENETIC TRANSFORMATION
                      TECHNOLOGY.

        TRADE NAME:   GONOSTAT

        FOR DETECTION OF INFECTION BY N.
        GONORRHOEAE IN MALE URETHERAL AND FEMALE
        ENDOCERVICAL SPECIMENS. 100 TESTS/KIT.

        PERFORMANCE CHARACTERISTICS:
        (A) SENSITIVITY: 90%
        (B) SPECIFICITY: 99%

        KIT CONTENTS (INCLUDES ALL REAGENTS AND
        CONTROLS TO PERFORM 100 TESTS.)
        (A) 4 X 3.5ML VIALS GONOSTAT MUTANT
        (B) 2 X 30ML VIALS GONOSTAT EXTRACTION
            BUFFER A.
        (C) 2 X 30ML VIALS GONOSTAT EXTRACTION BUFFER B.
        (D) 4 GONOSTAT POSITIVE CONTROL SWABS.
        (E) 4 GONOSTAT NEGATIVE CONTROL SWABS.
        (F) PRODUCT INSERT.

        MALE SWABS
        PACKAGED INDIVIDUALLY IN A PLASTIC TUBE.
        COTTON BUD ON A PLASTIC SHAFT.
        FOR USE WITH ABOVE KIT.

        FEMALE SWABS
        PACKAGED INDIVIDUALLY IN A PLASTIC TUBE.
        COTTON BUD ON A PLASTIC SHAFT.
        FOR USE WITH ABOVE KIT,

        ALL KITS WILL HAVE AT LEAST 9 MONTHS DATING PRIOR TO
        EXPIRATION. KITS WILL BE SHIPPED ON DRY ICE IN
        SPECIALLY VALIDATED GONOSTAT SHIPPERS
        VIA FEDERAL EXPRESS.

        SUCCESSFUL BIDDER TO SUPPLY THE FOLLOW
        ING EQUIPMENT FOR THE DURATION OF THE
        CONTRACT AT NO ADDITIONAL COST TO THE
        LABS LISTED BELOW:
</TABLE>

                                   VENDOR COPY

<PAGE>


<TABLE>
<CAPTION>
PRICE SHEET                                                AGENCY TERM CONTRACT AWARD
VENDOR:  SIERRA DIAGNOSTICS                                CONTRACT NO.:4004293                              PAGE 3
                                                           VENDOR NO.:  77037465600

LINE                                                               ESTIMATED                                          EXTENDED AMT
NO.     COMMODITY/SERVICE DESCRIPTION                              QUANTITY           UNIT           UNIT PRICE       IF APPLICABLE
<S>                                                                   <C>             <C>            <C>                <C>
        (A) C02 INCUBATOR (FLOOR MODEL)
            (AT LEAST 27 CU. FT.)
        ITEM (A) TO BE SUPPLIED TO MONTGOMERY,
        BIRMINGHAM, DECATUR AND MOBILE LABORA-
        TORIES.

        (B) C02 INCUBATOR (TABLETOP MODEL) (AT LEAST 6 CU. FT.)
        ITEM (B) TO BE SUPPLIED TO DOTHAN
        LABORATORY.

        (C) HEAT BLOCK
        (D) WATER BATH AND LID
            (AT LEAST 50 LITER VOLUME)
        (E) 400 UL FIXED PIPETTOR. MLA BRAND.
        (F) 400 UL VARIABLE PIPETTOR (2)

              LABSYSTEMS CAT #4540000 ITEMS (C) THROUGH (F) TO BE
        SUPPLIED TO MONTGOMERY, BIRMINGHAM, DECATUR, DOTHAN, AND
        MOBILE LABORATORIES.

        SUCCESSFUL BIDDER TO PROVIDE AT LEAST THREE DAY'S ON-SITE
        TRAINING AT EACH OF THE FOLLOWING FIVE SITES:

        1. BUREAU OF CLINICAL LABORATORIES
           8140 UNIVERSITY DRIVE
           MONTGOMERY, AL 36117

        2. BIRMINGHAM REGIONAL LABORATORY
           1400 6TH AVENUE SOUTH
           BIRMINGHAM, AL 35233

        3. DECATUR REGIONAL LABORATORY
           510 CHERRY STREET, N.E.
           DECATUR, AL 35601

        4. DOTHAN REGIONAL LABORATORY
           1781 EAST COTTONWOOD ROAD
           SUITE 2
           DOTHAN, AL 36301

        5. MOBILE REGIONAL LABORATCRY
           757 MUSEUM DRIVE
           MOBILE, AL 36608

        UNIT PRICE = COST OF ONE KIT (1OO TEST).
        ALL SPECIFIED CONSUMABLES AND EQUIPMENT
        FOR 5 LABORATORIES.
</TABLE>



                                   VENDOR COPY


<PAGE>

PRICE SHEET                         AGENCY TERM CONTRACT AWARD

VENDOR:  SIERRA DIAGNOSTICS         CONTRACT NO.:4004293                  PAGE 4
                                    T-NUMBER.: TA128



AWARD:
AWARD WILL BE MADE "ALL OR NONE" TO THE LOWEST RESPONSIBLE BIDDER MEETING ALL
SPECIFICATIONS.

FREIGHT:
BID IS F.O.B. DESTINATION. ANY FREIGHT CHARGES MUST BE INCLUDED IN THE BID
PRICES.

DESCRIPTIVE LITERATURE:
BRANDS AND NUMBERS ARE A LEVEL OF QUALITY AND UNLESS SPECIFIED, ARE NOT
RESTRICTIVE. TO PROVIDE A COMPLETE EVALUATION FOR THE BID ITEMS,
DESCRIPTIVE/TECHNICAL LITERATURE SHOULD ACCOMPANY THE BID. REFERENCE TO
LITERATURE OF A PREVIOUS BID WILL NOT SATISFY THIS REQUIREMENT. A PHYSICAL
INSPECTION AND OPERATIONAL EVALUATION MAY BE REQUIRED WITHOUT COST OR OBLIGATION
TO THE STATE OF ALABAMA.


                                   VENDOR COPY



EXHIBIT 10.3

                                 LEASE AGREEMENT

DATE:    July 1, 1999

LESSOR:  H & H Properties
         P.O. Box 547
         San Jose,  CA 95106

LESSEE:  Sierra Diagnostics, Inc.
         21109 Longeway Rd., Unit "B"
         Sonora, CA 95370

Notices:  All notices  and  demands  required to be sent to the Lessor or Lessee
under the terms of this Lease shall be personally delivered or sent by certified
or registered  mail to the addresses  indicated above or to such other addresses
as the parties may from time to time designated by notice.

1. Premises:  Lessor hereby leases to Lessee,  and Lessee hereby hires and takes
from Lessor,  for the term, the rental and upon the conditions  hereinafter  set
forth, those certain premises hereinafter referred to as "the premises", located
in the County of Tuolumne,  State of  California,  described as a  manufacturing
building  consisting of 7,606 square feet located at 21109 Longeway Road,  Suite
"A, B, & C."

2. Special Provisions: Lessor has been paying $92.00 per month for floor coating
in Unit B from a previous  lease  agreement.  $3,300.00  was the cost of coating
which is to paid off in three (3) years.  This provision is incorporated in this
lease. February 2000 is the final payment.

3.  Exhibits:  Exhibit  "A"  is  attached  hereto  and  incorporated  herein  by
reference.

4. Use of Premises:  The premises are to be used for  manufacturing  an in-vitro
diagnostic test kit for the detection of neisseria gonorrhea infection. The test
kit contains neisseria gonorrhea mutant, DNA extraction buffers and test control
swabs. All manufacturing  will take place in a class 100 totally contained clean
room.  Manufacturing will be done under FDA, GMP guidelines and FDA audit, State
of California medical device regulations and audit and CDC guidelines and audit.
Additionally,  Ca1ifornia  OSHA  regulations  and audit will be complied with. A
complete validated, device master file is on file at the manufacturing facility.

     Tenant  shall not use or store any personal  property in the Premises  that
are  flammable,  explosive,  dangerous  to the health of  humans,  or which will
increase the insurance premiums of Landlord's insurance policy. Tenant shall not
conduct any unstated business in the Premises, shall not permit any occupancy by
humans or animals and shall not do or permit to be done any act that

                                       -1-

<PAGE>

may create,  a nuisance.  Tenant  shall not store any goods or engage in any act
that shall be in violation of applicable law, ordinance,  code, rule or order of
any government  agency or any of the rules and regulations of Landlord as may be
adopted and/or revised by Landlord from time to time.

5. Term:  The term of this  lease  shall be for a period of twenty  (20)  months
commencing  on the 1st day of July 1999 and ending on the 28th day of  February,
2001, inclusive.

6. Rent:  Lessee  agrees to pay Lessor at Lessor's  address  shown above without
prior notice or demand, rent as follows:

               From  July 1, 1999  through  February  28,  2000,  rent  equal to
               57.62(cent) + 2(cent) CAM + $92.00 or $4,383.00 + $152.00 + 92.00
               ($4,627.00) per month payable the 1st day of each month.

               From  March 1, 2000  through  February  28,  2001,  rent equal to
               58.62(cent)  + 2(cent) or $4,459.00 + $152.00 =  ($4,611.00)  per
               month payable the 1st day of each month.

7. Renewal Option:  At the  termination of this lease,  Lessee is hereby granted
and have, if not in default at the time under this lease, an option to renew for
an additional 40 months.

     A. Said renewal shall be on the same terms, covenants and conditions herein
contained,  except that the rental shall be fixed by agreement of the parties at
least thirty (30) days prior to the expiration of the previous term.

8.  Permits:  Lessee will obtain a use permit from the County within thirty (30)
days of full execution of this Lease. Lessee shall use due diligence in pursuing
such  permits  and pay all costs  associated  with them.  Lessee  shall have the
responsibility  to  maintain  any use  permit  and to comply  with all terms and
conditions  of said use  permit  during  the  term of this  Lease.  If  Lessee's
application for a use permit is denied,  Lessor or Lessee may declare this lease
void, in which event all deposits shall be returned.

9. Late Charge:  If Lessor does not receive any rent payment within fifteen (15)
days after it becomes due, Lessee shall pay Lessor a late charge of Five Hundred
Dollars ($500.00).

10.  Taxes:  Lessor  shall be  responsible  to pay all real  property  taxes and
assessments levied upon the property. Lessee shall pay all taxes and assessments
levied against any personal property,  trade fixtures,  or other improvements on
the premises  belonging  to the Lessee  including  but without  prejudice to the
generality of the foregoing, shelves, counters, wall safes, partition, fixtures,
machinery and atmospheric  coolers, and if any such taxes are levied against the
Lessor or Lessor's  property,  and if Lessor pays the same,  which  Lessor shall
have the right to do  regardless  of the  validity  of any such levy,  or if the
assessed value of the Lessor's premises is increased by the inclusion therein of
a value placed on such property, and if Lessor pays the taxes based upon such

                                       -2-

<PAGE>

increased  assessment,  which the Lessor shall have a right to do, regardless of
the validity  thereof,  Lessee,  within fifteen (15) days after demand by Lessor
shall, as the case may be, repay to Lessor the taxes so levied against Lessor.

11.  Liability and Property Damage  Insurance:  Lessee will, at all times during
the term hereof aud any  extended  term hereof  carry at its expense  broad form
public  liability  insurance with insurance of not less than  $2,000,000.00  for
injury to or death of one person,  and less than  $2,000,000.00 for injury to or
death of two or more persons arising out of a single accident or occurrence, and
property  damage  insurance  in any  amount  not less  than  $100,000.00,  which
policies  shall insure the  contingent  liability,  if any, of Lessor.  Lessee's
insurance  coverage shall include fire legal liability  coverage in an amount of
not less than  $100,000.00  per  occurrence.  Lessee  will  furnish  to Lessor a
certificate  evidencing  that the  contingent  liability of Lessor is covered by
said  policies,   including  evidence  of  the  fire  legal  liability  coverage
heretofore  mentioned,  and that  Lessor is an  additional  insured  under  such
policies.

12. Fire  Extinguishers:  Lessee will furnish and maintain fire extinguishers on
premises at Lessee's own cost.

13.  Utilities:  Lessee shall be solely  responsible  for paying the cost of all
water,  sewer,  storm drain,  gas,  electricity,  telephone,  and fire sprinkler
system water connection fees billed against the premises.

14. Trash and Refuse:  Lessee shall keep  premises  clean of trash and refuse at
Lessee's cost. Lessee shall provide for refuse and rubbish service. Lessee shall
remove  immediately  from the  premises  any old tires,  abandoned  vehicles and
miscellaneous  auto parts.  Lessee shall immediately remove all papers or debris
that collect in the landscaped areas and in other areas outside of the building.

15. Landscape  Maintenance:  The monthly CAM (Common Area Maintenance) charge of
2(cent)  built  into  monthly  schedule  of  payments  is  meant  to pay for all
landscape  maintenance.  Lessor will pay for all water to be used in landscaping
unless the area  immediately  adjacent  to the  building  is metered by the same
meter that provides water to the interior of the building.

16.  Asphalt and Blacktop  Maintenance:  The monthly CAM charge of 2(cent) built
into the  monthly  schedule  of  payments  is meant to  maintain  and repair all
asphalt and blacktop adjacent to the premises.

17.  Fire  Sprinkler  System:  Lessor  shall pay for  maintaining  the  building
sprinkler  system.  Any checking of the sprinkler system by insurance company or
governing bodies shall be at Lessee's expenses. The installation and monthly fee
of any detection system which may be required to monitor  sprinkler system shall
be the  responsibility  of the  Lessee.  At the present  time,  the fee for this
service is Twenty Dollars (S20.00) per month from the alarm company.

18. Heating and Air Conditioning:  Lessee shall provide,  at Lessee's expense, a
semi-annual  maintenance  contract  to  maintain  heating  and  air-conditioning
systems to include changing of filters

                                       -3-

<PAGE>

and cleaning system.  Any major breakdown of system will be repaired or replaced
at Lessor's  expense  unless Lessee fails to maintain the system  properly or if
breakdown is caused by Lessee, or its employees or agents, negligence.

19. Pest and Rodent  Control:  Lessee shall be responsible for insect and rodent
control both inside and outside of the  building.  This includes  spiders,  bird
nests,  ants,  cockroaches,  files,  and other pests.  Lessee is responsible for
keeping the inside of the building rid of spider webs.

20.  Environmental Issues:

     a. Lessor's  Environmental  Obligations:  Lessor shall comply, and take all
     necessary  action  to cause the  building  to  comply  with all  applicable
     federal,  state and local requirements relating to the protection of public
     health,  safety and welfare,  and with all  applicable  environmental  laws
     relating to the  building.  Lessor is  responsible  for, and agrees to hold
     harmless,  indemnify  and defend  Lessee from any and all  claims,  losses,
     liabilities,  damages, costs and expenses,  including reasonable attorney's
     fees, related to the presence of hazardous substances in or on the premises
     or the  building,  unless  caused or allowed by Lessee or Lessee's  agents,
     employees,  contractors,  suppliers,  shippers,  customers or invitees. The
     parties agree that  notwithstanding any term or provision of any applicable
     law or  regulation,  Lessee  shall not be liable  for any  claims,  losses,
     liabilities,  damages, costs and expenses,  including reasonable attorney's
     fees, and/or for  investigating  and complying with any governmental  order
     (federal,  state and/or local) relating to any hazardous  substances on the
     premises or building  that were not caused or allowed by Lessee or Lessee's
     agents, employees, contractors, suppliers, shippers, customers or invitees.

     b. Lessee  Environmental  Obligations:  Lessee shall  comply,  and take all
     necessary actions to cause its operations in and on the premises to comply,
     with all applicable federal,  state and local requirements  relating to the
     premises. Lessee is responsible for, and agrees to hold harmless, indemnify
     and defend Lessor from any and all claims,  losses,  liabilities,  damages,
     costs and expenses,  including  reasonable  attorney's  fees,  caused by or
     related to Lessee's delivery,  storage or use of hazardous substances in or
     on the premises, common areas, soil or surrounding area or Lessee's acts or
     those of Lessee's  agents,  employees,  contractors,  suppliers,  shippers,
     customers or invitees  which  result in violation of any such laws.  To the
     extent  Lessee  or  Lessee's  agents,  employees,  contractors,  suppliers,
     shippers,  customers  or invitees  cause or allow the presence of or places
     hazardous  substances  in  or  on  the  premises,  common  areas,  soil  or
     surrounding  area or  violate  any such  laws,  Lessee at its sole cost and
     expense shall  promptly  take any and all actions  necessary or required to
     return  the  premises,  common  areas,  soil  or  surrounding  area  to the
     condition  existing  prior to such  placement of the  hazardous  substances
     including the cost of required subsequent  monitoring of such spill; in any
     such  event,  Lessee  shall  be  liable  for any  related  claims,  losses,
     liabilities,  damages, costs and expenses,  including reasonable attorneys'
     fees,  and/or  investigating  and in complying with any governmental  order
     (federal, state and/or local).

     c. Lessor Notification:  Lessee will advise Lessor within three (3) days of
     the  existence of any hazardous  substances on the premises,  common areas,
     soil or surrounding area and in

                                       -4-

<PAGE>

     addition to  complying  with the  provisions  of the  preceding  paragraph,
     either  obtain  approval from Lessor within thirty (30) days from notice or
     remove and clean up said hazardous  substances to standards required by the
     Lessor  within sixty (60) days from notice.  If Lessee or Lessee's  agents,
     employees, contractors, suppliers, shippers, customers or invitees cause or
     allow any release (as defined in any federal,  state or local agency,  law,
     rule or ordinance) or spill of, or contamination  by hazardous  substances,
     Lessee shall immediately notify Lessor.

21. Roll-up Doors: Lessor shall deliver roll-up overhead door in the building in
good operating  condition at start of this Lease. Lessee shall during this lease
maintain the roll-up  overhead doors in good condition and return these doors to
Lessor in the same condition as received except for normal wear and tear.

22. Janitorial and Maintenance Services:  Lessee shall provide the premises with
usual  janitorial and maintenance  services  necessary for continued  commercial
occupancy and to  maintained  the premises in a clean and  well-ordered  manner,
including, but not limited to the removal of cobwebs.

23. No  Warranties  by Lessor:  Lessor does not warrant that any of the services
above  mentioned will be free from  interruptions  caused by repairs,  renewals,
improvements, alterations, strikes, lockouts, accidents, inability of the Lessor
to obtain water or any other cause or causes  beyond the  reasonable  control of
the Lessor.  Any such  interruption of service shall never be deemed an eviction
or disturbance  of the Lessee's use and possession of the premises,  or any part
thereof,  or render the Lessor liable to the Lessee for damages,  or relieve the
Lessee from performance of the Lessee's  obligation under this Lease,  provided,
however, that Lessor will at all times use reasonable efforts promptly to remedy
any situation which might interrupt such service.

24. Premises in Good Order & Repair: Lessee has examined,  inspected,  and knows
the  condition  of the premises and every part thereof and has received the same
in good order and repair and accepts the same in their present condition. On the
last day of the term hereof or on any sooner  termination on this Lease,  Lessee
will peaceably and quietly surrender and yield up said premises to Lessor,  with
all appurtenances and fixtures in good order,  condition and repair.  Reasonable
use, wear, tear and damage by the elements are excepted.

25. Repairs & Alterations:  Lessee shall take good care of the premises and they
shall not be altered,  repaired,  or changed  without  the  written  consents of
Lessor.  Lessor  agrees  to keep the  roof,  excluding  any  skylights  or other
openings therein, and exterior walls of the building of which these premises are
a part in good order, condition and repair and will maintain the sewer line from
the premises to the property  line in good order and repair.  All other  repairs
shall be at the expense of the Lessee.  Lessee  covenants and agrees to make any
and all  repairs  in a timely  manner and  prevent  any  condition  which may be
deleterious to the good condition of the premises or of the buildings with which
it is situated. Lessee shall be responsible for the replacement of all defective
light bulbs and ballast in fixtures  excepting  that Lessor shall be responsible
for all defective ballast during the first year of this lease.

                                       -5-

<PAGE>

26.  Assign or Sublet:  Lessee shall not assign,  mortgage or  hypothecate  this
lease or any interest therein or permit the use of the premises by any person or
persons other than Lessee or sublet the premises,  or any part thereof,  without
the written consent of the Lessor which shall not be unreasonably withheld.

27.  Delivery of Possession:  In the event of the inability of Lessor to deliver
possession of the premises at the time of the  commencement  of the term of this
Lease,  neither  Lessor  nor its agents  shall be liable  for any damage  caused
thereby,  nor shall the term herein specified be in any way extended but in such
event,  Lessee  shall not be liable  for any rent  until such time as Lessor can
deliver possession.

28.  Prohibited  Use:  Lessee  shall not do or permit  anything to be done in or
about the premises,  nor bring nor keep  anything  therein which will in any way
affect fire or other  insurance  upon the building,  or any of its contents,  or
which shall in any way conflict  with any law,  ordinance,  rule,  or regulation
affecting the  occupancy and use of the premises,  which are or may hereafter be
enacted  or  promulgated  by any  public  authority  or in any way  obstruct  or
interfere  with the rights of other Lessees in the building  and/or the premises
or injure or annoy  them,  nor use,  nor allow the  premises  to be used for any
improper,  immoral, unlawful or objectionable purposes. Nor shall Lessee keep or
maintain any waste oil,  toxic or  dangerous  substance on or about the premises
unless such is maintained in absolute compliance with law and in accordance with
instructions and direction of the Lessor's fire insruance company.

29. Signs: Lessee will not permit or suffer any signs, advertising or notices to
be displayed,  inscribed upon or affixed on any part of the outside or inside of
the  premises,  unless  approved  by Lessor in writing  and then only such size,
color and style as Lessor  may  approve.  The sign  design  and plan shall be in
compliance   with  the  local   ordinances  and  regulations  of  the  governing
jurisdiction.

30.  Subordination:  This Lease shall be subordinate and subject at all times to
any mortgage, deed of trust, ground lease, or other security device covering the
premises,  or which at any time  hereafter  shall be made,  and to all  advances
made, or hereafter to be made, upon the security hereof.

31.  Holding Over: If Lessee hold  possession of the premises  after the term of
this Lease,  Lessee may at the option of the Lessor,  on Lessor's written notice
to Lessee and not otherwise,  become a Lessee from month to month upon the terms
and conditions herein specified,  so far as applicable at a basic monthly rental
to be  established  by the Lessor,  payable in advance,  in lawful  money of the
United States, and shall continue to be such Lessee until thirty (30) days after
Lessee  shall  have  given to  Lessor,  or Lessor  shall  have given to Lessee a
written notice of intention to terminate such monthly  tenancy.  With respect to
acceptance  of the  Lessee's  holding  over,  Lessor shall not be deemed to have
accepted any holding over by the Lessee by virtue of the mere acceptance of rent
from the Lessee, and Lessee shall remain a Lessee at Sufferance.

32.  Right and/or Duty of Removal by Lessee:  All  improvements  or  alterations
installed by the Lessee shall be and remain the property of Lessee (except where
the  same is a  replacement  of an item  theretofore  furnished  and paid for by
Lessor or against which Lessee has receive a credit), all

                                       -6-

<PAGE>

movable property,  furniture,  furnishings, and trade fixtures, other than those
affixed  to the  realty so that it cannot be removed  without  material  damage,
shall  remain the  property  of Lessee,  and in case of damage by reason of such
removal, Lessee shall restore the demised premises to good order and condition.

33. Lessee's  Election Not to Remove:  In case Lessee shall decide not to remove
any part of such  property,  it shall  notify  Lessor in  writing  not less than
thirty (30) days prior to the  expiration of the terms of this Lease  specifying
the items of property which it has decided not to remove. If within fifteen (15)
days after the service of such notice Lessor shall request  Lessee to remove any
of the said property,  Lessee shall, at its expense, at or before the expiration
of the terms of this Lease, remove said property,  and, in the case of damage by
reason  of  such  removal,  restore  the  demised  premises  to good  order  and
condition.  If  Lessee  fails to  remove  any of the said  property  before  the
expiration of the term of this Lease, Lessor may, at Lessor's option,  remove at
the  expense  of Lessee  or elect to retain  ownership  and  possession  of said
improvements.

34. Mechanic's Liens: The Lessee shall not suffer or permit any Mechanic's liens
or materialmen's  lien to be filed against the fee of the real property of which
the  premises  form a part nor against the  Lessee's  leasehold  interest in the
premises.  Any such filing shall  constitute an immediate  breach of this Lease.
Lessor shall have the right at all  reasonable  times to post and keep posted on
the premises  any notices  which it deems  necessary  for  protection  from such
liens.  If any  such  liens  are so  filed  and  the  Lessee  fails  to  file an
appropriate release bond or fails to legally respond to the filing of such lien,
Lessor, in addition to its option of terminating the Lease, may elect to pay and
satisfy  the sum  demanded  by the  lien,  and in such  event the sum so paid by
Lessor with interest at the highest legal rate pursuant to the laws of the state
where leased premises are located, per annum from the date of payment,  shall be
deemed to be additional rent due and payable by Lessee at once without notice or
demand.

35.  Destruction:  If the premises or the building wherein the same are situated
shall be destroyed by fire or other  cause,  or be so damaged  thereby that they
are untenantable and cannot be rendered  tenantable within ninety (90) days from
the date of such destruction or damages,  this Lease may be terminated by Lessor
or Lessee by written  notice.  In case the damages or destruction be not such as
to permit a termination  of the Lease as above  provided,  then a  proportionate
reduction  shall be made in the rent herein reserved  corresponding  to the time
during  which  and to the  portion  of the  premises  of which  Lessee  shall be
deprived of possession.

36.  Condemnation:  If the whole or any part of the  premises  shall be taken or
condemned by any competent  authority under power of eminent domain for a public
or  quasi-public  use or purpose,  then,  at Lessor's  option to be exercised by
written  notice to be given by Lessor to Lessee,  the term hereby  granted shall
cease from the time when  possession  of the part so taken shall be required for
such public or quasi-public  use or purpose and without an  apportionment of the
award,  Lessee hereby  assigning to Lessor all right and claim to the award. The
current  rent,  however  in such  case  shall  be  apportioned.  If such  taking
materially affects Lessee's ability to conduct its business within the premises,
Lessee shall have the option to terminate  this Lease by providing  Lessor Sixty
(60) days' notice of such intent, in writing.

                                       -7-

<PAGE>

37.  Exemption of Lessor from Liability:  Lessee hereby agrees that Lessor shall
not be liable for injury to Lessee's business or any loss of income therefrom or
for  damage to the  goods,  wares,  merchandise  or other  property  of  Lessee,
Lessee's  employees,  invitees,  customers,  or any other person in or about the
premises,  nor shall  Lessor  be liable  for  injury  to the  person of  Lessee,
Lessee's  employees,  agents or  contractors,  whether  such damage or injury is
caused by or results from fire, steam, electricity,  gas, water or rain, or from
the breakage, leakage, obstruction or other defects of pipes, fire and landscape
sprinklers,  wire, appliances,  plumbing, air conditioning or lighting fixtures,
or from any other cause,  whether said damage or injury results from  conditions
arising upon the  premises,  or from other  sources or places and  regardless of
whether the cause of such damage or injury or the means of repairing the same is
inaccessible to Lessee.  Lessor shall not be liable for any damages arising from
any act or neglect of any other Lessee,  occupant or user of the  premises,  nor
from the failure of Lessor to enforce the  provisions  of any other lease of the
premises.

38.  Indemnification of Lessor:  Lessor shall not be liable to Lessee and Lessee
hereby waives all claims against Lessor for any injury to or death of any person
or damage to or  destruction of property in or about the premises or the complex
by or from any cause whatsoever,  including, without limitation, gas, fire, oil,
electricity, or leakage of any character from the roof, walls, basement or other
portion of the premises or the complex but excluding, however, the negligence of
Lessor,  its agents,  servants,  employees,  invitees,  or  contractors of which
negligence  Lessor has knowledge and  reasonable  time to correct.  Except as to
injury to  persons or damage to  property  the  principal  cause of which is the
negligence of Lessor,  Lessee shall hold Lessor  harmless from and defend Lessor
against  any  and  all  expenses,   including  reasonable  attorney's  fees,  in
connection  therewith,  arising  out of any  injury to or death of any person or
damage to or destruction of property occurring in, on or about the premises,  or
any part thereof, from any cause whatsoever.

39.  Waiver of  Subrogation:  Lessor  hereby  releases  Lessee and Lessee hereby
releases Lessor and their respective officers,  agents,  employees and servants,
from any and all  claims or  demands  for  damages,  loss,  expense or injury to
equipment or inventory or other  property of either  Lessor or Lessee in, about,
or upon the demised  premises,  as the case may be, which be caused by or result
from perils, events, or happenings which are the subject of insurance carried by
the  respective  parties and  enforced  at the time of any such loss,  provided,
however, that such waiver shall be effective only to the extent permitted by the
insurance  covering such loss and to the extent such insurance is not prejudiced
thereby or the expense of such insurance is not thereby increased.

40. Lessee to Replace Glass:  The Lessee shall repair,  at its own expense,  all
damage or destruction of any plate or window glass in the demised  premises.  If
the Lessee  fails to repair the damage of any plate glass or window glass in the
demised  premises  then the Lessor may repair  said  damage or  destruction  and
charge the cost of such  repairing to the Lessee and the amount thereof shall be
deemed to be, and be paid as, additional rent.

41. Remedies on Lessee's Default: Should Lessee breach this Lease or breach this
Lease and abandon said premises  prior to the natural  expiration of the term of
this  Lease,  Lessor,  in addition to any other  remedy  given  Lessor by law or
equity, may:

     a.   Continue Lease.

                                       -8-

<PAGE>

     Continue  this  Lease  in  effect  by not  terminating  Lessee's  right  to
possession of said premises,  in which event Lessor shall be entitled to enforce
all Lessor's rights and remedies under this Lease including the right to recover
the rent specified in this Lease as it becomes due under this Lease, or

     b.   Terminate Lease.

     Terminate this Lease and recover from Lessee:

          (1) The worth at the time of award of the  unpaid  rent which had been
     earned at the time of termination of the Lease;

          (2) The worth at the time of award of the  amount by which the  unpaid
     rent which would have been earned after  termination of the Lease until the
     time of award  exceeds the amount of rental loss that Lessee  proves  could
     have been reasonably avoided;

          (3) The  worth at the time of the  award of the  amount  by which  the
     unpaid rent for the balance of the term after the time of award exceeds the
     amount of rental loss that Lessee proves could be reasonably avoided; and

          (4) Any other amount necessary to compensate  Lessor for all detriment
     proximately  caused by Lessee's  failure to perform his  obligations  under
     this Lease; or

     c.   Seek Unlawful Detainer.

     Terminate the Lease and in addition to any recoveries Lessor may seek under
the  previous  paragraphs  of this  Lease,  bring an action to reenter  and gain
possession  of said  premises  in the manner  provided  by the laws of  unlawful
detainer of the State of California then in effect.

42. Default by Lessee: All covenants and agreements  contained in this Lease are
declared  to be  conditions  to this  Lease and to the term  hereby  demised  to
Lessee.  Lessee  shall be in breach of this Lease,  giving  Lessor the  remedies
specified in Paragraph "Remedies on Lessee's Default" of this Lease, should:

     a.   Nonpayment of Rent.

     Any such rent be unpaid when due and remain  unpaid for five (5) days after
written  notice to pay such rent or  surrender  possession  of said  premises is
served on Lessee by Lessor; or

     b.   Breach of Covenant.

     Lessee default in the performance of, or breach of any covenant, condition,
or agreement,  requiring the payment of money,  contained in this Lease and such
default or breach is not cured within five (5) days after written notice thereof
is given by Lessor to Lessee; or Lessee

                                       -9-

<PAGE>

default in the performance of, or breach any, non-monetary, covenant, condition,
or  agreement,  contained  in this Lease and such default or breach is not cured
within ten (10) days,  or such  larger  time as may be allowed by Lessor,  after
written notice thereof is given by Lessor to Lessee; or

     c.   Failure to Cure.

     Should any  monetary  default or breach not be cured  within  five (5) days
after written notice from Lessor to Lessee  specifying  such default,  or should
any  non-monetary  default  or breach  not be cured  within  ten (10) days after
written  notice from Lessor to Lessee  specifying  such default,  then Lessor or
Lessor's  agent or  attorney  may,  at  Lessor's  option,  terminate  this Lease
forthwith by written notice to Lessee and take such action or pursue such remedy
as may be permitted by under the laws of the state in which the leased  premises
are located,  provided,  however,  that no such termination shall be effected or
action taken or remedy pursued until the expiration of such additional period as
may be  requested  in  writing  by the  Lessee,  if  any,  as may be  reasonably
necessary, in the determination of the Lessor, to remedy the default if it is of
such nature as to require more than ten (10) days to remedy.

43. Acts  Constituting a Default:  Lessee's default in the performance or breach
of any other covenant,  condition or agreement  contained in this Lease includes
the following  actions which are  specifically  designated as acts  constituting
default:

     a.   Unauthorized Purposes.

     Use of the premises for any purpose other than as authorized in this Lease;
or

     b.   Personal Property Tax.

     Failure to pay persona property tax or other taxes when due; or

     c.   Abandonment.

     Abandonment or vacation of Lessee from the premises; or

     d.   Bankruptcy.

     The  filing by Lessee or any other  person of a  voluntary  or  involuntary
petition in bankruptcy or an arrangement by or against Lessee;  the adjudication
of a receiver  of the  business  or of the  assets of Lessee,  except a receiver
appointed  at the  insistence  or request of  Lessor;  the  general or any other
assignment by lessee of the benefits of his creditors; or

     e.   Performance.

     A continuing  default;  after written notice,  in the performance of any of
the terms, covenants, and conditions herein contained; or

                                      -10-

<PAGE>

     f.   Mechanic's Liens.

     The  suffering  by Lessee of the filing of a  mechanic's  lien  against the
premises  for work ordered and  contracted  for by the Lessee and the failure by
Lessee to file a release bond, covering the premises.

44. Waiver of Breach: The waiver by Lessor of any breach by Lessee of any of the
provisions of this Lease shall not constitute a continuing waiver or a waiver of
any  subsequent  default or breach by Lessee  either of the same or a  different
provision of this Lease.

45. Inspections: Lessee will permit Lessor and its agents to enter into and upon
the  premises  in  emergencies  and at all  reasonable  times for the purpose of
inspecting the same, or for the purpose of protecting owner's reversions,  or to
make  alterations  and  additions to the premises or to any other portion of the
building  in which the  premises  are  situated,  without  any rebate of rent to
Lessee  for any  loss of  occupancy,  or quiet  enjoyment  of the  premises,  or
damages, injury, or inconvenience thereby occasioned,  and will permit Lessor at
any time within thirty (30) days prior to the  expiration of this Lease to bring
upon the premises for purposes of  inspection  or display,  prospective  tenants
thereof.

46. Covenants: It is mutually agreed that the letting hereunder is made upon and
subject to the terms,  covenants  and  conditions  of this Lease and that Lessee
covenants as a material part of the  consideration  for this Lease,  to keep and
perform each and all of said terms,  covenants and  conditions by him to be kept
or  performed,  and  that  this  Lease  is  made  upon  the  conditions  of such
performance.

47.  Provisions  Deemed Covenants and Conditions:  The parties hereby agree that
all the provisions  hereof are to be construed as covenants and conditions where
used in each instance and that all of the provisions hereof shall bind and inure
to the  benefit  of  the  parties  hereto  and  their  respective  heirs,  legal
representatives, successors and assigns.

48. Time of Essence: Time is of the essence in the performance of each provision
of this Lease.

49. Cumulative  Remedies:  The specified  remedies to which Lessor or Lessee may
resort  under the terms of this  Lease are  cumulative  and not  intended  to be
exclusive of any other remedies  afforded by law. The waiver of the  performance
of any  covenants,  terms or conditions of this Lease by Lessor and Lessee shall
not be construed as a waiver of any subsequent breach of the same covenant, term
or condition.

50.  Attorney's  Fees:  Should either party hereto institute any legal action to
enforce any  provision  hereof,  the  prevailing  party in such action  shall be
entitled to receive  from the losing  party such amount as the court may adjudge
to be reasonable attorney's fees.

51. Interest on Past Due Obligations:  Any amount owed by Lessee to Lessor which
is not paid when due shall bear  interest at the rate of fifteen  percent  (15%)
per annum from the due date of such

                                      -11-

<PAGE>

amount.  However,  interest  shall not be payable on late  charges to be paid by
Lessee  under this Lease.  The payment of  interest  on such  amounts  shall not
excuse or cure any default by Lessee  under this  Lease.  If the  interest  rate
specified  in this Lease is higher than the rate  permitted by law, the interest
rate is hereby decreased to the maximum legal interest rate permitted by law.

52. Invalidity:  If any term, covenant,  condition or provision of this Lease is
held  to  by  a  Court  of  competent   jurisdiction  to  be  invalid,  void  or
unenforceable, the remainder of the provisions hereof shall remain in full force
and effect and shall in no way be affected, impaired or invalidated thereby.

53. Agency:  Nothing contained in this Lease shall be deemed or construed by the
parties  hereto or by any third person to create the  relationship  of principal
and agent or of  partnership  or of joint  venture  or of any other  association
other than Lessor and Lessee.

54.  Extensions:  All  references  to the terms of this Lease shall  include any
extensions of such term.

55. Binding Effect; Counterparts:  This Lease shall not be binding and in effect
until a counterpart hereof has been executed and delivered by the parties,  each
to the other.

56.  Agreement  in  Counterparts:  This  agreement  may be  executed  in several
counterparts,  and as executed,  shall constitute one agreement,  binding on all
parties hereto, notwithstanding that all of the parties are not signatory to the
original or the same counterpart.

57.  Governing  Law:  This Lease  shall be  governed by the laws of the state in
which the premises are located.

58.   Commissions:   Commissions   paid  to  leasing  agent  will  be  the  sole
responsibility of the Lessor.

59. Quiet Enjoyment: Lessor covenants and agrees that the Lessee upon paying the
rent and performing the covenants  contained  herein shall and may peaceably and
quietly hold and enjoy the premises for the term of the lease.

                                      -12-

<PAGE>

Execution:  The parties  have  executed  this Lease at the place and on the date
specified opposite their respective signatures.

                                                         LESSOR:

Date:  July 1, 1999                          H & H PROPERTIES
Place: San Jose, CA                          P.O. BOX 547
Telephone: (408) 295-0353                    SAN JOSE, CA 95106

                                             Signature: /S/FREDERICK T. HONORE
                                                       -----------------------
                                             Print: FREDERICK T.  HONORE
                                             Title: Partner

                                             LESSEE:

Date:    July 8, 1999                        SIERRA DIAGNOSTICS, INC.
Place:   Sonora, CA 95370                    21109 LONGEWAY ROAD, UNIT "B"
Telephone: (209) 536-0886                    S0NORA, CA 95370

                                             Signature: /S/ TONY BAKER
                                                       -----------------------
                                             Print: TONY BAKER
                                             Title: President

                                      -13-

<PAGE>

                                 LEASE MEMORANDA
                          For information purposes only
                                  July 1, 1999
                       Important Features of Lease between
                          H & H & Properties and Sierra
                                Diagnostics, Inc.
                           Reference to Lease of 21109
                    Longeway Road Units A, B & C, Sonora, CA

Premises:

1.   21109 Longeway Road, Units A, B, & C, Sonora, CA

Term:

2.   Twenty Months commencing July 1, 1999 and ending February 28, 2001

Rate:

3.   July 1, 1999 through  February 28, 2000,  rent equal to $4,627.00 per month
     March 1, 2000 through February 28, 2000, rent equal to $4,611.00 per month

Late Charge:

4.   A $500.00 late charge  applies if rent is not received by the 15 days after
     due date.

Insurance:

5.   Lessee to carry minimum of $2,000,000.00  and $100,000.00  property damage.
     Lessor to be listed as additional insured.

Utilities:

6.   Lessee shall pay for cost of water,  sewer, storm drain, gas,  electricity,
     and telephone.

Heating & Air Conditioning:

7.   Lessee shall provide and pay a semi-annual  maintenance contract on heating
     and air conditioning systems.

Renewal:

8.   Lessee  has  option  to  renew  for  an   additional  40  months  at  lease
     termination.

                                      -14-





EXHIBIT 10.4
                            SELECT THERAPEUTICS INC.
                               124 Mt. Auburn St.
                                   Suite 200N
                               Cambridge, MA 02138
                             Telephone: 617-520-6693
                                Fax: 617-547-1431

1 January 1999

Robert Bender Consulting Limited

Attn: Robert Bender

Re: Consulting Services


This memo confirms retention of Robert Bender Consulting Limited by SELECT
Therapeutics Inc. on a continuing basis to provide:

         -general management as CEO on an ongoing basis
         -technology strategy and acquisition planning
         -investment baking and capital raising services
         -program management
         -scientific and medical liaison

You will work as an independent contractor and SELECT will not provide insurance
or other benefits. Expenses will be reimbursed as incurred and submitted;
expenses billed to [INTENTIONALLY OMITTED] will be paid directly subject to
adjustments as advised. Reconciliation of misc. cash expense items will be done
at the earlier of the end of the calendar year or end of the engagement. A
monthly rate of $12,000 US is confirmed, $10,000 will be paid monthly and $2,000
will be accrued. This agreement shall remain effective unless specifically
terminated; termination or changes may be made on 30 days notice. This agreement
must be disclosed as a >related party transaction.=


/s/ Robert Bender
- --------------------------------

For SELECT Therapeutics Inc.




EXHIBIT 10.5

                            SELECT THERAPEUTICS INC.
                            #300 , 50 O=Connor Street
                             Ottawa, Ontario K1P 6L2
                                     CANADA
                             Telephone: 613-721-6751
                                Fax: 613-721-6752

1 January 1999

PRESCIENCE Holdings

Attn: Craig Sibley

Re: Consulting Service Contract


Further to our discussions and past practice this memo confirms that SELECT
Therapeutics (Canada) Inc. intends to utilize your services in conjunction with:

          -liaison with UofT and HSC
          -sourcing and managing research and IP acquisition
          -liaison with scientific and medical advisors
          -program management for ASCT and marrow programs

You will work as an independent contractor and be paid on a gross basis with no
deductions or insurance coverage. You will be responsible for billing any
applicable taxes such as GST.

SELECT will reimburse you for appropriate expenses incurred on behalf of the
Company subject to approval. This agreement shall remain effective unless
specifically terminated.

Your monthly rate of $8,000 Canadian is confirmed. Termination may be made on 30
days notice.

As you are a Director of SELECT this agreement must be disclosed by the Company.


/s/ Robert Bender
- -------------------------------

R. Bender, CEO



EXHIBIT 10.6

                            SELECT THERAPEUTICS INC.
                            #300 , 50 O=Connor Street
                             Ottawa, Ontario K1P 6L2
                                     CANADA
                             Telephone: 613-721-6751
                                Fax: 613-721-6752

1 January 1999

Cliff Lingwood
@HSC

Re: Consulting Service Contract

Further to our discussions and past practice this memo confirms that SELECT
Therapeutics (Canada) Inc. intends to utilize your services in conjunction with:

          -research evaluation and technology assessment
          -sourcing and managing research and IP acquisition
          -liaison with scientific and medical advisors

This consulting is separate from research sponsored by the Company at HSC. You
will work as an independent contractor and be paid on a gross basis with no
deductions or insurance coverage. You will be responsible for billing any
applicable taxes such as GST.

SELECT will reimburse you for appropriate expenses incurred on behalf of the
Company subject to approval. This agreement shall remain effective unless
specifically terminated.

Your monthly rate of $2,000 Canadian is confirmed. Termination or changes may be
made on 30 days notice.

As you are a Director of SELECT this agreement must be disclosed by the Company.


/s/ Robert Bender
- ------------------------------


R. Bender, CEO




EXHIBIT 10.7

                            SELECT THERAPEUTICS INC.
                               124 Mt. Auburn St.
                                   Suite 200N
                               Cambridge, MA 02138
                             Telephone: 617-520-6693
                                Fax: 617-547-1431

1 January 1999

Allen Green, MD. PhD. JD

Re: Consulting Services

This memo confirms retention your by SELECT Therapeutics Inc. on a continuing
basis to provide

         -technology strategy and acquisition planning
         -medical, scientific and regulatory advisory services
         -scientific and medical liaison

You will work as an independent contractor and SELECT will not provide insurance
or other benefits. Expenses will be reimbursed as incurred and submitted;
subject to approval. A monthly rate of $10,000 US is confirmed, $5,000 will be
paid monthly and $5,000 will be accrued. This agreement shall remain effective
unless specifically terminated; termination or changes may be made on 30 days
notice. Since you are a Director, this agreement must be disclosed as a 'related
party transaction.'


/s/ Robert Bender
- ------------------------------

R. Bender, CEO




                                                                      Exhibit 11

Computation of per share loss June 30, 1999

Loss for the year                                                  $2,467,328


                                        ----------------------------------------
                                                       12 months
                                                   Months outstanding
                                        ----------------------------------------

Common shares beginning of the year         4,981,313               4,981,313
Issue of common shares

         July 1998                             11,000      12          11,000
         November 1998                        219,999       8         146,666
         December 1998                        240,000       7         140,000
         March 1999                            81,782       4          27,264
         May 1999                              50,000       2           8,333
         June 1999                             50,000       1           4,167
                                          -----------             -----------
Common shares end of year                   5,634,094               5,318,743

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


Loss per common share                                                   $0.46




EXHIBIT 21

                                  SUBSIDIARIES

                    1.   Sierra Diagnostic, Inc., a California corporation.

                    2.   Select Therapeutics (Canada) Inc., an Ontario,  Canada,
                         corporation.



<TABLE> <S> <C>


<ARTICLE>                     5
<LEGEND>
     This schedule contains summary financial  information extracted from Select
     Therapeutics Inc. financial statements for the year ended June 30, 1999 and
     is qualified in its entirety by reference to such financial statements.
</LEGEND>

<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                              Jun-30-1999
<PERIOD-START>                                 Jul-1-1998
<PERIOD-END>                                   Jun-30-1999
<CASH>                                         120,881
<SECURITIES>                                   0
<RECEIVABLES>                                  7,380
<ALLOWANCES>                                   0
<INVENTORY>                                    32,130
<CURRENT-ASSETS>                               0
<PP&E>                                         146,602
<DEPRECIATION>                                 42,055
<TOTAL-ASSETS>                                 1,259,259
<CURRENT-LIABILITIES>                          699,107
<BONDS>                                        0
                          0
                                    0
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