HUMAN PHEROMONE SCIENCES INC
10KSB, 1999-03-31
PERFUMES, COSMETICS & OTHER TOILET PREPARATIONS
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                             Washington, D.C. 20549

                                   FORM 10-KSB

(MARK ONE)

      [ X ]    ANNUAL REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES
               EXCHANGE ACT OF 1934 (fee required)

                   For the fiscal year ended December 31, 1998
                                             -----------------

      [   ]    TRANSITION REPORT UNDER SECTION 13 OR A5(d) OF THE SECURITIES
               EXCHANGE ACT OF 1934  (no fee required)


                         Commission file number 0-23544
                                                -------

                         HUMAN PHEROMONE SCIENCES, INC.
                 ----------------------------------------------
                 (Name of small business issuer in its charter)

         California                                         94-3107202
 ------------------------------                         -------------------
(State or other jurisdiction of                          (I.R.S. employee 
 incorporation or organization)                         Identification No.)

4034 Clipper Court, Fremont, California                        94538
- - ---------------------------------------                 --------------------
(Address of principal executive offices)                     (Zip code)

                    Issuer's telephone number: (510) 226-6874
                                               --------------

         Securities registered under Section 12(b) of the Exchange Act:

                                      None
                                ----------------
                                (Title of class)

         Check whether the Issuer (1) filed all reports  required to be filed by
Section 13 or 15(d) of the  Exchange  Act during the past 12 months (or for such
shorter period that the  registrant was required to file such reports),  and (2)
has been subject to such filing  requirements for the past 90 days. Yes [ X ] No
[ ]

         Check if there is no  disclosure  of  delinquent  filers in response to
Item 405 of  Regulation  S-B contained in this form,  and no disclosure  will be
contained,  to the  best of  registrant's  knowledge,  in  definitive  proxy  or
information statements incorporated by reference in Part III of this Form 10-KSB
or any amendment to this Form 10-KSB. [ X ]

         State issuer's revenues for its most recent fiscal year.   $10,378,717

         State  the  aggregate   market  value  of  the  voting  stock  held  by
non-affiliates  computed by  reference to the price at which the stock was sold,
or the average bid and asked price of such stock,  as of a specified date within
the past 60 days.  (See  definition  of  affiliate in rule 12b-2 of the Exchange
Act.) $5,586,667 (1)


(1) Excludes 1,421,763 shares held by directors, officers and shareholders whose
ownership  exceeds  5% of the  outstanding  shares at March 19,  1999 based on a
closing  bid  price on that day of $0.63 per  share.  Exclusion  of such  shares
should not be  construed  as  indicating  that the holders  thereof  possess the
power,  direct  or  indirect,  to  direct  the  management  or  policies  of the
registrant or that such person is controlled by or under common control with the
registrant.

                   (APPLICABLE ONLY TO CORPORATE REGISTRANTS)

         State the number of shares  outstanding of each of the issuer's classes
of  common  equity,  as of the  latest  practicable  date.  1,439,333  shares of
convertible preferred stock, 10,289,488 shares of common stock.

         Transitional Small Business Disclosure Format (check one):
                                                            Yes [  ]  No [ X ]

                                       1
<PAGE>

                       DOCUMENTS INCORPORATED BY REFERENCE

         Portions of the following  document are  incorporated by reference into
Part III of this Form 10-KSB Report:  the Proxy  Statement for the  Registrant's
1999 Annual Meeting of Shareholders (the "Proxy Statement").


                                       2
<PAGE>

Item 1.           Description of Business

Introduction

         This report contains  forward-looking  statements within the meaning of
Section 27A of the  Securities  Act of 1933, as amended,  and Section 21E of the
Securities  Exchange  Act  of  1934,  as  amended.  Except  for  the  historical
information  contained in this discussion of the business and the discussion and
analysis of financial condition and results of operations, the matters discussed
herein are forward looking statements.  These forward looking statements include
but are not limited to the Company's  plans for sales growth and expansion  into
new  channels of trade,  expectations  of gross  margin,  expenses,  new product
introduction,  and the  Company's  liquidity  and capital  needs.  These matters
involve  risks and  uncertainties  that  could  cause  actual  results to differ
materially from the statements made. In addition to the risks and  uncertainties
described in "Risk Factors",  below,  these risks and  uncertainties may include
consumer  trends,   business  cycles,   scientific   developments,   changes  in
governmental policy and regulation,  currency  fluctuations,  economic trends in
the United  States  and  inflation.  These and other  factors  may cause  actual
results  to  differ  materially  from  those   anticipated  in   forward-looking
statements.  Readers  are  cautioned  not  to  place  undue  reliance  on  these
forward-looking statements, which speak only as of the date hereof.

         The  Company,  a  California  corporation,  was founded in 1989 as EROX
Corporation to develop and market a broad range of consumer products  containing
human  pheromones  as a component.  On May 29,  1998,  the  shareholders  of the
Company voted to change the name of the Company to Human Pheromone Science, Inc.
The  Company  believes  that  human  pheromone  research  funded by the  Company
presents  an  opportunity  to create  and market an  entirely  new  category  of
pheromone-based  fragrances and products.  The Company believes that its related
patents  guarantee  it a  proprietary  position  in  developing,  licensing  and
marketing a new category of consumer  products that could  significantly  change
the consumer accepted standard for products containing a fragrance component and
for cosmetic treatment products.

         Pheromones are chemical substances known to stimulate  species-specific
biological  responses  in animals.  For eight  years,  scientists  and  advisors
engaged by Human Pheromone Science, Inc. ("HPSI") have studied the functions and
characteristics of human pheromones.

         The human  pheromones  included as a component of and as a fixative for
the  Company's  fragrance  products  have been  manufactured  for the Company by
Pherin Corporation.  The manufacturing  process for human pheromones begins with
hydrocarbon  compounds  commonly  available  from chemical  supply  houses,  and
involves the use of a synthetic  chemistry  process performed for the Company by
Pherin at its  laboratories in Salt Lake City,  Utah. In early 1999, in response
to  the  need  for   significant   increases  in  production,   two  independent
laboratories  were engaged to manufacture such pheromones under the direction of
Pherin  scientists.  All the steps in the  manufacturing  process  are  standard
chemical  laboratory  procedures.  The  manufacturing  process for pheromones is
similar to methods by which other naturally occurring  substances (such as amino
acids) are synthetically produced.

The HPSI Technology

         Pheromones. People have long known that insects and animals communicate
with one another through subtle,  biochemical  cues recognized and understood by
other members of the same  species.  These  biochemical  signals warn of danger,
indicate the presence of food,  mark  territorial  boundaries and display sexual
maturation  or  readiness.   The  biochemical   messengers  that  deliver  these
communications  are  pheromones.  Pheromones  trigger  a  nerve  impulse  to the
hypothalamus when applied within or adjacent to the nasal passages.

         Scientists  have  observed  that in higher  species  the  influence  of
pheromones  grows  increasingly  more  subtle  and  complex.  Not  surprisingly,
reactions to pheromones are very subtle in human beings.  While humans appear to
have definite  responses to pheromones,  the research sponsored by HPSI suggests
that the highly developed human brain filters and masks those reactions.  Rather
than producing an isolated effect,  as in lower level species,  human pheromones
act in concert with other sensory cues provided by odor, sight, taste, sound and
touch to provide a cumulative influence.

         As a result of its sponsored  research,  the Company believes  evidence
has been developed that indicates that humans respond to human pheromones.  HPSI
has also found that its human pheromones are sexually  dimorphic:  that is, some
are more  active in females  while  others  show a higher  level of  activity in
males. During the studies of human pheromones conducted by the Company,  certain
human subjects  volunteered  descriptions  of their feelings.  Women  frequently
described  feeling  comfortable  or at  ease,  while a number  of male  subjects
described a feeling of confidence and  self-assurance.  The Company continues to
explore these naturally  occurring  substances in a variety of tests to increase
its knowledge and  understanding  of their range of influence on human  emotions
and their application as components of fine fragrance products.

                                       3
<PAGE>

         Fragrances  and  Pheromones.  Animal  pheromones  are well known in the
fragrance industry.  Natural and synthetic  equivalents of mammalian  pheromones
such as musk,  civet and castoreum are found in many  perfumes  today.  However,
since  pheromonal  cues can  trigger  a  response  only by  members  of the same
species,  these animal  pheromones have no specific  effect on humans;  instead,
they act only as fixatives  or carriers  for the  fragrance or as a component of
the scent.

         A scent binds to smell  receptors in the nose and stimulates a specific
region of the brain  resulting in the sensation of smell.  A pheromone  binds to
separate  receptors  that are physically  and  functionally  distinct from smell
receptors.  These pheromone  receptors stimulate a region of the brain different
from  that  stimulated  by smell  receptors.  Since it is widely  believed  that
traditional  perfumes allure and intrigue the senses,  an alliance  between fine
fragrances  and pheromones  seems quite natural.  For a perfume to create a true
pheromonal effect in humans, however, it must contain human pheromones.  Thus, a
fragrance containing human pheromones may provide more allure than a traditional
fragrance.

         The Vomeronasal  Organ.  The VNO consists of two tiny sensory organs --
one in each  nasal  passage.  The VNO had  been  identified  earlier  in  animal
species,  from  reptiles  to  mammals,  and has been known for some time to be a
receptor for pheromones in animals. In humans,  however,  the VNO was assumed to
be a non-functioning,  vestigial remnant,  rarely even present in modern-day men
and women.

         Over the course of their work on human pheromones,  scientists  working
on  behalf  of HPSI  believe  they  have  made a  further,  important  discovery
concerning the VNO. Not only is the VNO present in all normal adults, it appears
to be an active,  functional  receptor  for human  pheromones.  This has allowed
scientists  engaged on behalf of HPSI to track the activity of human  pheromones
by measuring the changes in the  neuroelectric  potential of the VNO's  receptor
cells caused by  pheromones.  To measure these changes in humans,  a proprietary
noninvasive method is utilized to measure the electrical  response of the VNO in
a way  similar  to how  electrical  responses  of the heart are  recorded  by an
electrocardiogram.

The HPSI Products

         Products.  The  Company  operates in one  business  segment and markets
three fragrances,  REALM(R) Women, REALM(R) Men and inner REALM(R). These "proof
- - -of-concept"  products  include  a full  line of  fragrance  and  bath  and body
products including eau de toilette,  cologne,  eau de parfume,  lotion, bath and
shower gel,  after-shave  balm,  antiperspirant,  talc, soap and body cream. The
Company's  fragrances were developed by Ann Gottlieb a leading consultant to the
fragrance  industry.  All  of  the  Company's  products  contain  the  Company's
synthesized  human  pheromones  as a component of the  fragrance.  In 1996,  the
Company introduced a unique refillable,  dripless roll-on applicator  containing
REALM and inner  Realm eau de  toilette  for women,  and in 1998 REALM Women and
REALM Men candles were launched.

         Research.   Pheromones  are  chemical  substances  known  to  stimulate
species-specific biological responses in animals. The study of the uses, effects
and  advantages  of human  pheromones  is in its  infancy,  but  abstracts  from
presentations of two recent studies  performed at leading research  universities
reveal new  information  regarding the beneficial  effects of human  pheromones.
Most  interestingly,   these  studies  reveal  new  information   regarding  the
biological pathways human pheromones traverse in the body.  Publication of these
findings  continued in 1998, and the Company expects  increased  interest in its
patented  technology as the result of these studies and others  currently  being
undertaken.

         Scientists  working on behalf of HPSI have  identified and  synthesized
several  naturally  occurring  human  pheromones.  One combination of pheromones
shows a measurable  response in women and another a comparable  response in men.
HPSI has also developed the capability to manufacture  commercial  quantities of
these naturally occurring  substances.  HPSI intends to continue basic pheromone
research as applied to fragrances  and ancillary  products.  Since its inception
through  December 31, 1998, the Company has incurred  $3,963,024 in research and
development related expenses.

Markets and Competition

         The Competitive  Environment.  The Company's current fragrance products
contain  what the Company  believes  are unique  components:  human  pheromones.
Consequently,  HPSI believes it will be able to differentiate  its products from
traditional  products.  If such  differentiation  is  successful,  the Company's
products  initially  should have little direct  competition in the  marketplace,
since the Company  believes  no other  companies  in the United  States have the
right to produce or distribute products containing human pheromones.

         While  HPSI's  current  products  are  fragrances,  the  Company  feels
strongly  that fine  fragrances  are only a "proof of  concept".  The  Company's
patented human  pheromone  technology has  applications  far beyond  traditional
fragrances and bath and body products.  HPSI hopes to position its technology as
a desired  "value added"  ingredient  for any product that contains a fragrance.
Synthesized  human  pheromones  provide  the  first  patented  technology  of  a
component that could have broad  application  and usage in cosmetic,  treatment,
cleansing,   over-the-counter   health   supplements   and  home   and   vehicle

                                       4
<PAGE>

environmental  products.  The Company does not feel that it has the resources to
successfully  exploit the potential market for such applications and is actively
seeking licensing agreements with consumer product manufacturers.

         Marketing Strategy. HPSI's initial products are a line of fragrance and
bath and body products  containing the Company's  patented human pheromones as a
component. The first of these "proof of concept products" were developed in 1993
when the Company developed REALM Women and REALM Men. While new product launches
in the fragrance  industry  frequently  require  considerable  expenditures  for
promotional  programs which attempt to establish product  differentiation  based
upon  imagery  alone,  HPSI  sought to  develop a program  in 1993  following  a
different  approach -- one that relied on the human  pheromone  component in its
fragrances for product differentiation.

         The  Company's  initial  marketing  program  was  intended  to  educate
consumers  and  the  trade  about   pheromones  while  suggesting  the  enhanced
sensuality  that the wearer of an HPSI  fragrance  might feel.  The Company also
used packaging,  pricing and distribution channels to communicate the uniqueness
of their products and to differentiate them from traditional fragrance products.
The Company  launched its REALM products  through direct marketing to ensure the
quality  and  clarity  of  the  HPSI  message  and  thereafter   moved  to  more
conventional fragrance channels based on criteria such as store location,  image
and promotional support.

         Distribution  and  Promotional  Activities.  During  1993,  the Company
developed two fragrances,  REALM Women and REALM Men, each presented in 50Ml and
5Ml sizes. Initial promotion and distribution was in the form of a one half-hour
infomercial,  broadcast-tested  in August 1994 and rolled-out  nationally in the
last four months of the year. The infomerical  continued to be broadcast through
mid-1995  while the Company  commenced  selling its  products in the  U.S.retail
department stores on a limited basis in late 1994.

         By the  beginning  of 1997,  HPSI was still a single  product  company,
primarily involved in one class of trade -- better U.S. department stores. REALM
fragrances  and  toiletries  were  available in more than 1,300 stores in the 48
contiguous  states.  While this is the largest channel of distribution for basic
fragrances,  the high level of retailer  employee  turnover  required  expensive
ongoing training for continued success of differentiated,  scientifically  based
products  such as REALM  fragrances.  In  addition,  HPSI  provides  significant
in-store fragrance modeling to ensure that consumers driven to the stores by the
Company's  ongoing  radio   advertisements  have  the  opportunity  to  actually
experience REALM products once they reach the store.

         To lessen its dependence on a single class of trade and in an effort to
leverage the expense of its radio advertising and promotion, the Company entered
into agreements with  distributors  who focus on the fast growing  perfumery and
middle market  department  store classes of trade.  These  alternative  channels
provide  additional  exposure for the  Company's  products  and human  pheromone
technology at a significantly  lower cost than the better department  stores. In
mid-1997, the Company introduced a second women's fragrance line, inner REALM(R)
initially  to the  department  store class of trade.  Results of this  expensive
product launch were disappointing.  A decision was made to reposition this brand
to the  alternative  channels of  distribution  in 1998,  and  results  from the
initial  repositioning  are  encouraging.  During  1998,  the Company  continued
distributing  its REALM(R) Men and REALM(R)  Women's  fragrances in leading U.S.
department stores,  while substantially  completing the transfer of the sale and
marketing  of  inner  REALM(R)   fragrances  to  alternative  markets  including
perfumeries and middle market department stores.  These alternative  markets are
handled by  independent  distributors  who purchase the product from the Company
without the right of return and are  responsible  for  advertising,  selling and
marketing  expenses.  By  focusing  the  inner  REALM(R)  product  line on these
secondary  markets,  the Company reduced its dependence on the department stores
for  sales to the  U.S.  consumer.  The  Company  reorganized  it's  U.S.  sales
organization  in the  last  quarter  of 1998.  Responsibility  for  selling  and
marketing to the department  stores was transferred from Company personnel to an
independent   organization   comprised  of  senior  managers  with   significant
experience  introducing  and managing  fragrances  in this class of trade.  This
group  is  compensated  by  commission  on  net  sales  generated.  One  of  the
principal's  of  this  organization  had  been  and  continues  to be the CEO of
Northern Brands, the Company's  distributor in the secondary  markets.  Also, in
late 1998 the Company  determined  that it could not  profitably  continue doing
business with the May Company and ceased  selling  products to this retailer and
its subsidiaries at such time.

         To further reduce its dependence on a single market, the Company sought
to increase  its  non-U.S.  distribution.  In 1995 and 1996,  HPSI  entered into
distribution  agreements  for the sale of REALM  fragrances  and  toiletries  in
selected Middle East markets, including Saudi Arabia and the Gulf States as well
as selected Duty Free markets in the Caribbean, South America and on the Mexican
and Canadian borders. In 1997, additional South American markets were opened and
discussions were undertaken for the profitable sale of REALM products in several
European  markets and the Far East. In early 1998,  initial  shipments were made
under distribution  agreements with distributors in Switzerland and the People's
Republic of China.  Also in 1998,  initial  shipments were made to a distributor
for the sale of the  Company's  products  in Spain and  Portugal.  International
expansion  will continue to be a focus of HPSI. The Company is very conscious of
the fact that numerous brands of prestige fragrances have suffered  immeasurable
harm due to diversion by gray marketers.  While realizing that certain levels of
such  diversion  are  inevitable,  the Company  hopes to curtail the risk of its
REALM products 

                                       5
<PAGE>

being  diverted back into the U.S. by gray market  discounters by selecting duty
free  partners who purchase  realistic  quantities  for sale in the regions they
service. Such partnership  agreements are subject to cancellation if significant
diversion occurs.

Technology Licensing and Supply Agreements

         One of the strategic  objectives of the company is to expand the use of
its  patented  human  pheromone  technology  by working  closely  with  consumer
products  companies  who are leaders in their  particular  markets.  In December
1998, HPSI signed an agreement to supply its synthesized  human  pheromones to a
major cosmetics and fragrance company.  Product launch is anticipated during the
third quarter of 1999. HPSI is also in supply and /or licensing discussions with
other companies.

Patents and Other Intellectual Property

In  December  1993 and January  1994,  the Company  received  two United  States
patents for non-therapeutic  compositions of fragrances and human pheromones for
use as  components  in perfumes  and  personal  care  products  and consumer and
industrial  products  such as  clothing,  air  fresheners  and  paper  products.
European patents  regarding these  compositions have been filed and are pending.
In 1995,  patents were granted in Taiwan,  and in 1997,  patents were granted in
Mexico.  In June 1998,  the  Company was  granted a Notice of  Allowance  of its
patents for the inclusion of synthesized human pheromones by the European Patent
Office. Individual country patents are now in the issuance process. HPSI is also
the  exclusive  licensee  for  non-therapeutic  uses of  pheromones  in consumer
products under a royalty-free world-wide perpetual license to five United States
patent applications  covering pheromone  technology owned by Pherin Corporation.
This technology is also the subject of foreign patent applications.  The Company
also  relies  on trade  secrets  protection  for  confidential  and  proprietary
information.

Regulation

         Unless  the  FDA  extends  its  regulatory  authority,   regulation  by
governmental  authorities  in the  United  States  and  other  countries  is not
expected  to be a  significant  consideration  in  the  sale  of  the  Company's
fragrance products and in its ongoing research and development activities. Under
current  regulations,  the market  introduction of the majority of non-medicated
cosmetics products does not require prior formal registration or approval by the
FDA,  although  this could  change in the  future.  The  cosmetic  industry  has
established  self-regulating  procedures  and most  companies  perform their own
toxicity  and  consumer  tests.   Voluntary  filings  related  to  manufacturing
facilities  are made with the FDA. The Cosmetics  Division of the FDA,  however,
does monitor closely problems of safety, adulteration and labeling. In addition,
if the FDA should  determine  that claims made by the Company for its fragrances
involve  the cure,  mitigation  or  treatment  of  disease,  the FDA could  take
regulatory action against the Company and its products.

         In  addition,  the  United  States  Federal  Trade  Commission  ("FTC")
monitors  product  claims made in  television  and radio  commercials  and print
advertising to ensure that any claim can be  substantiated.  If the FTC believes
that any  advertising  claim made by the  Company  with  regard to the effect or
benefit of its products is not  substantiated  by adequate  data or research and
the Company cannot support such claim, the FTC could also take regulatory action
against the Company and its products.

Employees

         At March 1, 1999,  the Company had seventeen  full-time  employees.  In
addition,  the Company  retains  consultants  to provide  advice in the areas of
sales and marketing,  public  relations,  advertising,  product safety  testing,
regulatory compliance, MIS and product development.  The Company also has access
to scientific and professional  consultants,  some of whom are retained directly
by Pherin  Corporation,  and who undertake projects for the Company by virtue of
the  Company's  agreement  with  Pherin.  None  of the  Company's  employees  is
represented  by a labor union.  The Company  considers  its  relations  with its
employees and consultants to be good.

Manufacturing

         The Company is dependent on third parties to manufacture  its fragrance
products.  The Company has selected two  essential oil  companies,  that provide
fragrance  products  to the  industry,  to  supply  such  compounds  to  HPSI in
accordance with proprietary  formulas developed for the Company. The Company has
agreements in place with  suppliers for its  fragrances  and has been  furnished
with  commercial  quantities  of the  Company's  products for sale to consumers.
While the Company is responsible  for blending the human  pheromones  with these
fragrances,  final bottling and packaging of the fragrance and ancillary product
lines are performed by independent  manufacturers.  These manufacturers selected
by HPSI have extensive experience in blending,  filling and packaging fragrance,
cosmetic and related  products,  and have the capacity to satisfy the  Company's
manufacturing  needs, at least for the foreseeable  future. The Company believes
that such 

                                       6
<PAGE>

manufacturing  services  are  widely  available  to the  fragrance  industry  at
competitive  prices  and  has  identified   additional  contract   manufacturing
companies.

         The Company and Pherin are parties to an  agreement  under which Pherin
will supply HPSI with its reasonable  requirements of human  pheromones and will
make  available to HPSI the basic  manufacturing  technology.  At any time after
January 31,  1996,  rather  than supply  human  pheromones  to HPSI,  Pherin may
instead  elect to provide to the Company  all  manufacturing  technology  in its
possession that it has not previously  supplied to HPSI. Through 1998 only small
quantities  of  human  pheromones,  which  could  be  produced  in a  laboratory
environment, were required for its fragrance and ancillary products. As a result
of the initial third party supply  agreement  entered into in December 1998, the
Company  requires   significantly  more  production  of  the  synthesized  human
pheromones  than were  needed in the past.  In  January  1999,  HPSI and  Pherin
contracted with two independent  laboratories to manufacture kilogram quantities
of the synthesized human pheromones under the direction of scientists working on
behalf of the Company and Pherin.  HPSI will  receive  initial  quantities  from
these  independent  laboratories  commencing  March 1999.  The Company  does not
believe  that  it  would  be   economically   feasible  to  establish  it's  own
manufacturing  facilities since  synthesized human pheromones are available from
chemical  laboratories  who now  have  experience  in the  preparation  of these
compounds.

Risk Factors

         The  Company's  future  results  may be affected to a greater or lesser
degree by the following factors among others:

         The  Company  may  not be  able  to  effectively  compete  with  larger
companies  or with new  products.  The  prestige  fragrance  market is extremely
competitive.  Many  fragrance  products  are  better  known  than the  Company's
products and compete for  advertising and retail shelf space.  Many  competitors
have  significantly  greater  resources  that will  allow  them to  develop  and
introduce new competing products or increase the promotion of current products.

         The  product  life cycle of a  fragrance  can be very  short.  Changing
fashions  and fads can  dramatically  shift  consumer  preferences  and demands.
Traditional  fragrance  companies  introduce a new  fragrance  every year or so.
Changing  fashions and new products may reduce the chance of creating  long term
brand loyalty to the Company's products.

         The Company's marketing strategy may not be successful. The Company may
not be able to  establish  and  maintain the  necessary  sales and  distribution
channels.  Retail  outlets and  catalogs  may choose not to carry the  Company's
products.  The Company may not have sufficient funds to successfully  market its
products if the current marketing strategy is not successful.

         The  current  retail  environment  may cause  pricing  and  promotional
pressures. Four companies,  Federated Department Stores, The May Company, Dayton
Hudson/Marshall  Fields and Dillard Department Stores, own the majority of upper
end  department  stores.  Because of their market share,  each company will have
significant power to determine the price and promotional terms which the Company
must meet in order to sell its products in the company's department stores.

         Upper end  department  stores face  increasing  competition by discount
perfumeries,  drug  chains  and  lower  priced  department  stores  for sales of
fragrances  and  cosmetics.  To compete,  upper end  department  stores have cut
inventories,  reduced co-op advertising, and increased promotions. These tactics
may  force  the  Company  to  reduce  its  prices  or  increase  the cost of its
promotions.

         Seasonality  in sales  may cause  significant  variation  in  quarterly
results.  Sales in the  fragrance  industry are  generally  seasonal  with sales
higher in the second half of the year  because of  Christmas.  This  seasonality
could  cause  a  significant  variation  in the  Company's  quarterly  operating
results.

         The Company not be able to protect its technology or trade secrets. The
Company's  patents  and  patent  applications  may  not  protect  the  Company's
technology or ensure that the Company's  technology does not infringe  another's
valid  patent.  Others  may  independently   develop  substantially   equivalent
proprietary information.  The Company may not be able to protect its technology,
proprietary information or trade secrets.

         The Company may not be able to recruit  and retain key  personnel.  The
Company's  success  substantially  depends upon  recruiting  and  retaining  key
employees and  consultants  with  research,  product  development  and marketing
experience.  The Company may not be successful in recruiting and retaining these
key people.


                                       7
<PAGE>

         The Company relies upon other  companies to  manufacture  its products.
The  Company  relies  upon  Pherin  and  other   companies  to  manufacture  its
pheromones,  supply  components,  and to blend,  fill and package its  fragrance
products.   The  Company  may  not  be  able  to  obtain  or  retain  pheromones
manufacturers,  fragrance  suppliers,  or component  manufacturers on acceptable
terms.  If not, the Company may not be able to obtain  commercial  quantities of
its products. This would adversely affect operating results.

Item 2.           Description of Property

         The Company presently leases  approximately 8,780 square feet of office
and warehousing space for its headquarters in Fremont, California, pursuant to a
lease which  expires on October 31, 2000,  and which is currently  cancelable by
the  Company on 90 days  written  notice and paying a $15,000  cancellation  fee
which  may be waived  under  certain  circumstances.  The  annual  base rent was
approximately  $81,916  for the 12 months  ended  December  31, 1998 and will be
$116,774  in  1999.  Total  rent  expense  may be  increased  by  the  Company's
proportional share of any escalation  related to taxes,  common area charges and
outside maintenance incurred by the complex in which the facility is located. In
July 1998, the Company entered into an agreement to sublease approximately 5,890
feet of  warehousing  space  under  substantially  the same terms as its primary
lease..  Such  sublease  expires  November  1,1999  but may be  extended  for an
additional one year period with the mutual consent of HPSI and the subleasee. In
addition,  the Company leases approximately 8,000 square feet of warehousing and
distribution  space,  at a cost of $0.60 per square  foot,  from an  independent
company under a fulfillment  agreement  cancellable with 90 days notice.  During
the year ended  December 31,  1998,  the Company  incurred  $129,415 in net rent
expense and related charges for these facilities.

Item 3.           Legal Proceedings

         During  1998,  the Company  instituted  legal  proceedings  against two
companies  alleging  infringement of HPSI's patents.  Both of these actions were
settled,  with the alleged  infringers  agreeing to cease  distribution of their
products and making  nominal  payments to HPSI that have  covered the  Company's
legal expenses in connection with these matters


Item 4.           Submission of Matters to a Vote of Security Holders

         Not applicable.


                                       8
<PAGE>

                                     PART II

Item 5.           Market for Common Equity and Related Stockholder Matters

         The  Company's  Common Stock is quoted on the NASDAQ  Small-Cap  Market
under the symbol EROX. As of March 1, 1999, there were approximately 320 holders
of record of the Company's  Common Stock.  The Company believes that there are a
significant  number of  beneficial  owners of its Common  Stock whose shares are
held by  nominees  in  "Street  Name".  Set forth  below is the high and low bid
information  for the Company's  Common Stock on the NASDAQ  Small-Cap  Market as
reported by Nasdaq-Amex Online during each of the four calendar quarters of 1998
and 1997.

                                               HIGH                     LOW
                                               ----                     ---
         1998
         ----
         First quarter                      $  1.47                    $ 0.75
         Second quarter                     $  1.13                    $ 0.56
         Third quarter                      $  0.91                    $ 0.41
         Fourth quarter                     $  1.31                    $ 0.19

         1997     
         ----     
         First quarter                      $  4.88                    $ 2.94
         Second quarter                     $  3.63                    $ 1.19
         Third quarter                      $  2.69                    $ 1.00
         Fourth quarter                     $  1.94                    $ 0.66

         These quotations reflect  interdealer  prices,  without retail mark-up,
markdown or commissions and may not represent actual sales.

         The  Company has never paid cash  dividends  on its Common  Stock.  The
Company  currently  intends  to  retain  future  earnings,  if any,  to fund the
development  and  growth  of its  business  and  does  not  plan to pay any cash
dividends in the foreseeable future.

         The  Company's  Board of  Directors  has  approved an  amendment to the
company's  Articles of  incorporation  to effect a  one-for-three  reverse stock
split, pursuant to which three shares of Common Stock of the company will become
one share of common Stock (the "Reverse Stock  Split").  The reverse Stock Split
will take effect, only if it is approved by the shareholders of the company.

         The Company has been  informed by the Nasdaq  Stock  Market  (`NASDAQ")
that the Company has not been in compliance with a quantitative  requirement for
stock traded on NASDAQ because the company's Common Stock has been trading below
NASDAQ's $1.00 per share minimum price  requirement.  The reverse Stock Split is
designed  to raise the  company's  per  share  price  above  that  threshold  by
converting  each  three  shares  of  Company  Common  Stock  into one  share and
correspondingly reducing the number of shares outstanding.

Item 6.  Management's Discussion and Analysis of Financial Condition and Results
         of Operations

         Year ended  December 31, 1998 compared with the year ended December 31,
1997

         Net  sales  for the year  ended  December  31,  1998  were  $10,378,717
compared to $17,169,616  for the prior year.  This 39.6% decrease was attributed
to the decision to eliminate unprofitable retailers,  and $4,000,000 decrease in
sales of inner  Realm due to low  market  acceptance  of the  product  after its
launch in 1997.  In the second half of 1998 the  Company  decided to cease doing
business  with certain U.S.  department  stores  whose  promotional  demands had
become so excessive  that the Company  determined  continued  business with them
would be unprofitable. This decision was based on the Company's goal of reducing
losses even if it resulted in lower sales levels.  These retailers accounted for
approximately  14% of our 1997 revenue and by December 1998 we had stopped doing
business  with these  accounts.  Sales to  distributors  handling the  Company's
products in the  secondary  markets in the United States  (mid-level  department
stores,  perfumery  chains and selected mass markets)  increased by 14% in 1998.
While these  distributor  sales bear a lower selling  price,  they result in the
generation of operating  profits since the  distributor is  responsible  for all
sales returns,  advertising and promotional  expenses.  Sales outside the United
States were  $650,725 as compared  with  $1,446,285 in 1997, a factor of initial
stocking in 1997 in selected foreign markets.

                                       9
<PAGE>

Net sales for the years 1998 and 1997 were as follows:

                  Markets:             1998 Net Sales          1997 Net Sales
                  --------             --------------          --------------
                  U.S. markets          $  9,727,992            $15,723,331
                  Foreign markets            650,725              1,446,285
                                        ------------            -----------
                  Total Net Sales       $ 10,378,717            $17,169,616
                                        ============            ===========

         Gross margin in 1998  represented  68% of sales as compared with 76% in
1997. The decreased  margin is attributable to the large volume of sales in 1997
of our lower cost inner REALM  product,  higher than  expected  returns of inner
REALM, and increased sales to the lower margin secondary class of trade in 1998.
inner  REALM has not enjoyed the same  market  acceptance  as the REALM  product
lines. The gross margin has been negatively impacted by our efforts to work with
our customers on the inner REALM line. The secondary market sales, while showing
lower gross  margin,  can have a better  contribution  margin  since they do not
demand the level of support for  advertising  and marketing  that the department
stores require.

         Research  and  development  costs in 1998  increased  to $365,358  from
$332,389  in  1997.  The  entire  increase  was  attributable  to the  Company's
additional  funding of product  development  efforts to validate the efficacy of
its  technology  to  potential  licensees,  net of  reimbursements  made  by the
Company's initial licensee.

         Selling, general and administrative expenses declined by 42% in 1998 to
$9,222,811  from  $16,034,659  in 1997,  primarily  due to a $6,550,568  million
reduction  in selling,  advertising  and  marketing  expenditures.  The spending
reduction  was  related to the 1997  launch of inner  REALM,  and the  Company's
decision  in late 1998 to be more  focuses in its  advertising  and  promotional
efforts.

         Interest expense  decreased to $62,608 in 1998 from $75,989 in 1997 due
to slightly lower average borrowings under the Company's line of credit.

         The Company recorded no income tax provision in 1998 or 1997 due to the
net operating losses.

         Year ended  December 31, 1997 compared with the year ended December 31,
1996

         Net  sales  for the year  ended  December  31,  1997  were  $17,169,616
compared to $20,323,028  for the prior year.  This 15.5% decrease was attributed
to decreases in purchases by U.S.  department  stores. In 1997, U.S.  department
store retailers  began the year with  significantly  higher  in-store  fragrance
inventories  than  planned.  These  retailers  began an industry wide program to
significantly reduce retail stock levels and increase inventory turns from three
turns per year to six.  This  negatively  impacted the  Company's  sales to this
important class of trade.  While the Company's sales to this class of trade were
off 27% overall for the year,  sell-through  at the retail level  increased from
the prior year. During the last six months of 1997,  consumer purchases of REALM
fragrances at the Company's U.S.  department store customers  exceeded the prior
year by over 2% compared to flat  fragrance  industry  growth.  This  comparison
indicates that the Company's  customer base expanded while the overall  category
reflected lower consumer  demand.  During 1997, the Company  launched its second
fragrance inner REALM(R). Sales for this product line did not meet expectations.
The Company plans to continue to distribute  inner REALM on a more limited basis
in specialty  stores and selected  markets.  The Company also developed  several
secondary  markets  during 1997.  These sales are handled  through an authorized
distributor to perfumeries and mid-priced department stores.

                  Net sales for the years 1997 and 1996 were as follows:

                  Markets:                 1997 Net Sales       1996 Net Sales
                  --------                 --------------       --------------
                  U.S. markets               $15,723,331          $18,807,594
                  Foreign markets              1,446,285            1,515,434
                                             -----------          -----------
                  Total Net Sales            $17,169,616          $20,323,028
                                             ===========          ===========

         Gross  margin for 1997 was 76%  compared to 73% in 1996.  Costs for the
Company's  new  fragrance,  inner  REALM,  were  significantly  lower  than  the
component costs for the original REALM line of products.  In the last quarter of
1997, the Company decreased the number of lower margin fragrance value sets made
available for sale.  These factors were offset by the increase in sales to lower
margin classes of trade.  The Company  increased sales to secondary  markets and
duty free distributors in 1997. This move was made to increase overall operating
profits as these  classes of trade do not demand the same level of  co-operative
advertising expenditures for store sponsored vehicles.

         Research  and  development  costs in 1997  decreased  to $332,389  from
$473,420  in  1996.  Expenses  in  1997  were  

                                       10
<PAGE>

mainly for  payments  to Pherin  Corporation  under the  Company's  ongoing  R&D
agreement.  These  expenses  totaled  $276,000  and  $270,000  in 1997 and 1996,
respectively.  Total research and development  costs in 1996 were higher than in
1997 due to costs for  development  of inner REALM  (introduced in 1997) and for
line  extensions  of  the  Company's  REALM  Men  and  REALM  Women   fragrances
(introduced in the prior year).

         Selling,  general  and  administrative  expenses  increased  in 1997 to
$16,034,659 from  $13,088,248 in 1996 mainly due to advertising  expenditures of
$3,421,018  primarily  related  to  the  launch  of  inner  REALM.  Selling  and
advertising  expenditures of $12,382,012 in 1997 compared to $9,639,617 in 1996.
Advertising  agreements  to promote the launch of inner REALM were  entered into
early in 1997.  The Company was unable to cancel  these  advertising  agreements
when it  became  apparent  that  inner  REALM  sales  were not  approaching  the
Company's  internal sales plan. In the second half of 1997, the Company  reduced
the level of commitments for co-operative  programs and focused  expenditures on
radio programs and in-store fragrance modeling.

         General and administrative expenses increased in 1997. Distribution and
facilities  costs  increased  as the  Company  added  inner REALM to its line of
products.  Additional warehouse space was required and additional personnel were
required  for  shipping.  In 1996,  the Company had  employed  mainly  temporary
workers in its warehouse operations. In 1997, the Company installed new shipping
hardware and software  required of all vendors by U.S.  department  stores.  The
level of accuracy  required by these  systems  demands a higher level of skilled
worker,  and the Company has found it  necessary  to train  full-time  permanent
employees for these jobs.

         Interest  expense  increased to $75,989 in 1997 from $7,879 in 1996 due
to higher short term borrowings under the Company's line of credit.

         The  Company  recorded no income tax  provision  in 1997 due to the net
operating loss. In 1996, the Company  recorded a provision equal to 5% of pretax
income.  This represented the federal and state alternative  minimum taxes after
utilizing the allowable amount of net operating loss carryforward for that year.


Liquidity

         At December 31, 1998, the Company had cash and  cash-equivalents  equal
to $76,696 and working  capital of  $2,315,033.  These  balances at December 31,
1997 were  $248,617  and  $4,329,799,  respectively.  Net cash used in operating
activities  was $988,054,  $4,204,364  and $589,788 for the years ended December
31, 1998, 1997 and 1996,  respectively.  Issuance of convertible preferred stock
to a long-term investor in the amount of $600,000 partially offset cash usage in
1998.  Other cash  infusions were from bank  borrowings,  the issuance of common
stock and  maturity of  investments  in the amounts of  $225,534,  $340,290  and
$550,816 for 1998, 1997 and 1996, respectively. At December 31, 1998, borrowings
against the  Company's  $3,000,000  line of credit were  $773,534.  Assuming the
Company's  activities  proceed  substantially as planned,  the Company's current
cash,  line of credit and  anticipated  revenues  from  product  sales should be
adequate to meet its working capital needs over the next twelve months.  Working
capital  requirements  will  primarily be for the supply of inventory,  accounts
receivable  financing and staffing.  The Company will be obtaining an additional
$300,000 from the sale of convertible preferred stock in March 1999.

         Additional  working  capital may be required should the Company fail to
generate  anticipated  consumer  response  levels at comparable  levels to 1998.
Furthermore,  additional  working  capital  may be  required  should the Company
experience a greater than planned success with its current  products,  potential
product line extensions,  and department store marketing efforts. Funds would be
needed for inventory build, accounts receivable financing and staffing purposes.
If the Company fails to achieve  significant  revenues  from its 1999  marketing
efforts or if expansion  proves to be more capital  intensive than planned,  the
Company may require additional funding.

         On March 15, 1999, the Company renewed its Business Loan Agreement with
Mid-Peninsula Bank of Palo Alto, California ("the Bank"). The Company may borrow
up to  $3,000,000  at an interest rate equal to the Bank's prime rate plus 1.0 %
with  borrowings  secured  primarily  by the  Company's  trade  receivables  and
inventory.  The  agreement,  which  expires on April 1, 2000,  contains  certain
debt-to-equity and working capital covenants.


Impact of Year 2000

         The  Company  has  completed  a  comprehensive  review of its  internal
computer systems to identify the issues expected to arise in connection with the
Year  2000.  The  Company  is in the  process  of  reviewing  the  status of its
customers  and  suppliers  with  regard to this issue and  assess the  potential
impact of non-compliance by such parties on the Company's operations.

                                       11
<PAGE>

         The Company utilizes a server-based system for its material management,
manufacturing,  EDI  interface,  and  financial  systems.  Year  2000  compliant
software  upgrades  from the  vendors  have  been  installed,  and  tested  with
satisfactory  results.  The total cost to upgrade  and test the systems was less
than $20,000.

         The Company has also  completed its review of non-server  based systems
and equipment (telephone system, fax machines, and off-the-shelf software). This
review found that hardware was Year 2000 compliant, and that only a few software
titles contained non-compliant Year 2000 date calculation errors. These software
titles will be upgraded to more recent Year 2000 compliant versions later in the
year if it is determined  that the software is still needed by the Company.  The
financial impact is minimal.

         The Company is in the process of determining the extent to which it may
be impacted by third party systems,  which may not be Year 2000  compliant.  The
Year 2000  computer  issue  creates risk for the Company from third parties with
whom the  Company  deals on  financial  transactions.  To date we have  received
assurances from our the key customers, and suppliers that they will be Year 2000
compliant.  While the Company is receiving  reassurance  from it's customers and
suppliers,  there can be no assurance  that the systems of other  companies that
the Company deals with or on which the Company's  systems rely on will be timely
converted, or that any such failure to convert by another company could not have
an adverse effect on the Company.

Contingency plans for suppliers, or customers that may not be compliant are part
of our material planning process and sales planning for the second half of 1999.
Failure  to  complete  any  necessary  remediation  by the Year  2000 may have a
material adverse impact on the operations of the Company.


Item 7.  Financial Statements

         See  the  Financial   Statements  listed  in  Item  13(a),   which  are
incorporated herein by reference.

Item 8.  Changes  In  and  Disagreements  with  Accountants  on  Accounting  and
         Financial Disclosure

         Not applicable


                                       12
<PAGE>

                                    PART III

Item 9. Directors, Executive Officers, Promoters and Control Persons; Compliance
        with Section 16(a) of the Exchange Act

         The  executive  officers  of the  Company and their ages as of March 1,
1999 are as follows:

                Name             Age               Position
                ----             ---               --------

         William P. Horgan       50      Chairman, Chief Executive Officer
                                         and Director

         Gregory S. Fredrick     44      Vice President, Controller


William P. Horgan was  appointed  to the newly  created  post of Chairman of the
Board in November 1996 after serving as President,  Chief Executive  Officer and
Director  since  January  1994,  when he joined  the  Company.  From May 1992 to
January  1994,  he served  as Chief  Financial  and  Administrative  Officer  of
Geobiotics,  Inc., a  biotechnology-based  development  stage company,  and from
January 1990 to May 1992, was employed by E.S. Jacobs and Company as Senior Vice
President  of Worlds of Wonder,  Inc.  From March 1988 to January  1990,  he was
Chief Financial  Officer of Advanced Polymer  Systems,  Inc., a manufacturer and
supplier of polymer based delivery systems for the ethical dermatology, OTC skin
care and personal care markets.  Prior  thereto,  he held various  executive and
management positions with CooperVision,  Inc. and several affiliated  companies,
including President of its Revo, Inc. subsidiary.

Gregory S.  Fredrick  joined the  Company  in  October  1998 as Vice  President,
Controller.  Prior to joining the Company Mr.  Fredrick spent nearly eight years
in the Entertainment  industry.  From February 1997 to June 1998 he was the Vice
President,  Controller  for a  start-up  record  label /  internet  company  911
Entertainment.  Mr. Fredrick served in various finance and operations capacities
while with Windham Hill Records / BMG  Entertainment  from April 1990 leaving as
Director of Operations in December 1996.

         The  remainder  of  this  item  is  incorporated  by  reference  to the
Company's  definitive  Proxy  Statement  relating to its 1998 Annual  Meeting of
Shareholders (the "Proxy Statement").

Item 10.          Executive Compensation

         Incorporated by reference to the Proxy Statement.

Item 11.          Security Ownership of Certain Beneficial Owners and Management

         Incorporated by reference to the Proxy Statement.

Item 12.          Certain Relationships and Related Transactions

         Incorporated by reference to the Proxy Statement.


                                       13
<PAGE>

<TABLE>

Item 13.          Exhibits and Reports on Form 8-K
<CAPTION>
<S>               <C>                                                                                              <C>   

         (a)      Financial Statements.  The following are filed as a part of this report:
                                                                                                                   Page
                                                                                                                   ----
                  Report of Independent Auditors                                                                    16
                  Balance Sheets -- December 31, 1998 and 1997                                                      17
                  Statements of Operations -- Years ended December 31, 1998, 1997 and 1996                          18
                  Statements of Shareholders' Equity - Three Years ended December 31, 1998                          19
                  Statements of Cash Flows -- Years ended December 31, 1998, 1997 and 1996                          20
                  Notes to Financial Statements                                                                     21

         (b)      Reports on form 8-K.  None

         (c)      Exhibits. The following exhibits are filed as part of this report:


         EXHIBIT
          NUMBER                     EXHIBIT TITLE
          ------                     -------------

             3.1           Copy of the Registrant's Articles of Incorporation (1)
             3.1.1         Certificate of Determination of Preferences of Series AA Preferred Stock of Registrant
             3.2           Copy of Registrant's By-laws (1)
            10.1           Registrant's Stock Plan * (1)
            10.2           Research and Development Agreement between Registrant and Pherin dated July 1, 1992 (1)
            10.7           Technology Transfer Agreement between Registrant and Pherin dated August 23, 1991 (1)
            10.10          Registrant's Non-employee Directors Stock Option Plan * (2)
            10.12          Standard  Industrial  Lease - Net  between  Registrant  and SCI Limited  Partnership-I
                                dated September 29, 1995 for the Registrant's California facility (3)
            10.13          Amendment to Research and Development  Agreement between Registrant and Pherin dated 
                                February 29, 1996 (3)
            10.14          Business Loan Agreement dated July 1, 1997 (4)
            10.15          Business Loan Agreement dated April 1, 1998
            10.16          Extension  of  Industrial  Lease  between  Registrant  and SCI  Limited  Partnership-I  
                                dated September 24, 1998 for the Registrant's California facility
            10.17          Supply Agreement with Avon Products, Inc.
            23.1           Consent of Ernst & Young LLP, independent auditors                                       28
            27.01          Financial Data Schedule                                                                  29
<FN>

(1)  Filed as an exhibit  with  corresponding  exhibit  no. to  Registrant's  Registration  Statement  on Form SB-2
     (Registration No. 33-52340) and incorporated herein by reference.

(2)  Filed as an exhibit with corresponding  exhibit no. to Registrant's  Annual Report on Form 10-KSB for the Year
     Ended December 31, 1993.

(3)  Filed as an exhibit with corresponding  exhibit no. to Registrant's  Annual Report on Form 10-KSB for the Year
     Ended December 31, 1996.

(4)  Filed as an exhibit with  corresponding  exhibit no. to Registrant's  Quarterly  Report on From 10-QSB for the
     Three Months Ended June 30, 1997.

*    Management contract or compensatory plan
</FN>
</TABLE>

                                       14
<PAGE>

                                   SIGNATURES


         Pursuant to the  requirements  of the Securities  Exchange Act of 1934,
HPSI  Corporation has duly caused this Annual Report on Form 10-KSB to be signed
on its  behalf  by the  undersigned,  thereunto  duly  authorized,  in  Fremont,
California, on March 26, 1999


                                HPSI CORPORATION


                                             By: /s/ William P. Horgan
                                                 -------------------------------

                                             Name: William P. Horgan
                                                   -----------------------------

                                             Title: Chairman of the Board
                                                    ----------------------------
<TABLE>

         Pursuant to the  requirements  of the Securities  Exchange Act of 1934,
this Annual Report has been signed on behalf of Human Pheromone  Sciences,  Inc.
by the following persons in the capacities and on the dates indicated.

<CAPTION>

                  SIGNATURE                          CAPACITY                   DATE
                  ---------                          --------                   ----

<S>                                         <C>                                 <C> 
/s/ William P. Horgan                        Chief Executive Officer            March 26, 1999
- - --------------------------------------       and Director
William P. Horgan                            

/s/ Gregory S. Fredrick                      Vice President,                    March 26, 1999
- - --------------------------------------       Principal Financial and
Gregory S. Fredrick                          Accounting Officer

/s/ Bernard I. Grosser                       Director                           March 30, 1999
- - --------------------------------------
Bernard I. Grosser, MD


/s/ Michael D. Kaufman                       Director                           March 30, 1999
- - --------------------------------------
Michael D. Kaufman


/s/ Helen C. Leong                           Director                           March 30, 1999
- - --------------------------------------
Helen C. Leong


/s/ Robert Marx                              Director                           March 30, 1999
- - --------------------------------------
Robert Marx
</TABLE>

                                       15
<PAGE>


                Report of Ernst & Young LLP, Independent Auditors


The Board of Directors and Shareholders
Human Pheromone Sciences, Inc.

         We have  audited the  accompanying  balance  sheets of Human  Pheromone
Sciences,  Inc. as of December 31, 1998 and 1997, and the related  statements of
operations,  shareholders'  equity and cash flows for each of the three years in
the  period  ended  December  31,  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 audits.

         We conducted our audits in accordance with generally  accepted auditing
standards.  Those standards require that we plan and perform the audit to obtain
reasonable assurance about 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  financial  statements  referred to above  present
fairly,  in all material  respects,  the financial  position of Human  Pheromone
Sciences,  Inc. at December 31, 1998 and 1997, and the results of its operations
and its cash flows for each of the three years in the period ended  December 31,
1998, in conformity with generally accepted accounting principles.



                                                               ERNST & YOUNG LLP


Palo Alto, California
March 19, 1999


                                       16
<PAGE>

<TABLE>

                           Human Pheromone Sciences, Inc.

                                   Balance Sheets


<CAPTION>
                                                       December 31,    December 31,
                                                           1998            1997
                                                       ------------    ------------
<S>                                                    <C>             <C>         
Assets

Current assets:
  Cash and cash equivalents                            $     76,696    $    248,617
  Accounts receivable, net of allowances of $677,735      2,051,574       3,255,238
   and $652,359 in 1998 and 1997, respectively
  Inventory                                               2,894,541       3,421,298
  Other current assets                                      113,635         128,817
                                                       ------------    ------------
Total current assets                                      5,136,446       7,053,970

Property and equipment, net                                  58,596          99,491
                                                       ------------    ------------

                                                       $  5,195,042    $  7,153,461
                                                       ============    ============


Liabilities and shareholders' equity

Current liabilities:
  Loan payable, bank                                   $    773,534    $    548,000
  Accounts payable                                          691,674         800,648
  Accrued advertising                                       553,926         743,900
  Accrued commissions                                       448,051         170,454
  Other accrued expenses                                    318,228         461,169
                                                       ------------    ------------
Total current liabilities                                 2,785,413       2,724,171

Commitments                                                    --              --

Shareholders' equity:
  Preferred stock, issuable in series, no par value,
    10,000,000  shares authorize  1,439,333,
    and 1,433,333 convertible shares issued and
    outstanding at December 31, 1998
    and December 31, 1997, respectively                   2,745,535       2,145,535
  Common stock, no par value,  40,000,000 shares
    authorized,  10,289,488 shares issued
    and outstanding at December 31, 1998 and 1997        17,667,024      17,667,024
  Accumulated deficit                                   (18,002,930)    (15,383,269)
                                                       ------------    ------------
Total shareholders' equity                                2,409,629       4,429,290
                                                       ------------    ------------

                                                       $  5,195,042    $  7,153,461
                                                       ============    ============
<FN>

See accompanying notes.
</FN>
</TABLE>


                                       17
<PAGE>
<TABLE>

                         Human Pheromone Sciences, Inc.

                            Statements of Operations

<CAPTION>
                                                             Years ended December 31,
                                                             ------------------------
                                                       1998            1997            1996
                                                   ------------    ------------    ------------
<S>                                                <C>             <C>             <C>         
Net sales                                          $ 10,378,717    $ 17,169,616    $ 20,323,028
Cost of goods sold                                    3,358,242       4,079,555       5,487,801
                                                   ------------    ------------    ------------

Gross profit                                          7,020,475      13,090,061      14,835,227

Expenses:
   Research and development                             365,358         332,389         473,420
   Selling, general and administrative                9,222,811      16,034,659      13,088,248
                                                   ------------    ------------    ------------

Total expenses                                        9,588,169      16,367,048      13,561,668
                                                   ------------    ------------    ------------

Income (loss) from operations                        (2,567,694)     (3,276,987)      1,273,559

Interest income                                             278          12,621          20,612
Interest expense                                        (62,608)        (75,989)         (7,879)
Other income (expense)                                   10,363           2,215          (4,651)
                                                   ------------    ------------    ------------

Income (loss) before income taxes                    (2,619,661)     (3,338,140)      1,281,641

Income taxes                                               --              --            64,082
                                                   ------------    ------------    ------------

Net income (loss)                                  $ (2,619,661)   $ (3,338,140)   $  1,217,559
                                                   ============    ============    ============

Net income (loss) per common share-basic           $      (0.25)   $      (0.32)   $       0.12
                                                   ============    ============    ============

Net income (loss) per common share-
  assuming dilution                                $      (0.25)   $      (0.32)   $       0.12
                                                   ============    ============    ============

Weighted average shares used in
  calculation of net income (loss) per share         10,289,488      10,271,377       9,998,770
                                                   ============    ============    ============

Weighted average shares and equivalents,
  if dilutive, used in calculation of net income
  (loss) per common share                            10,289,488      10,271,377      10,508,680
                                                   ============    ============    ============

<FN>
See accompanying notes.
</FN>
</TABLE>


                                       18
<PAGE>
<TABLE>

                         Human Pheromone Sciences, Inc.

                       Statements of Shareholders' Equity
<CAPTION>
                                                Three Years ended December 31, 1998
                                                -----------------------------------
                                      Convertible                                     Total
                                       Preferred       Common      Accumulated     Shareholders'
                                         Stock          Stock        Deficit          Equity
                                     ------------   ------------   ------------    ------------
<S>                                     <C>           <C>           <C>               <C>      
Balances at December 31, 1995                --       16,823,918    (13,262,688)      3,561,230

Exercise of stock options for
   234,933 shares for cash                   --          530,816           --           530,816
Exercise of warrants for
   10,000 shares for cash                    --           20,000           --            20,000
Net income                                   --             --        1,217,559       1,217,559
                                     ------------   ------------   ------------    ------------

Balances at December 31, 1996                --       17,374,734    (12,045,129)      5,329,605

Exercise of stock options for
   132,583 shares for cash                   --          292,290           --           292,290
Issuance of 1,433,333 shares of
   AA convertible preferred stock
   for cash, net of issuance costs      2,145,535           --             --         2,145,535
Net loss                                     --             --       (3,338,140)     (3,338,140)
                                     ------------   ------------   ------------    ------------

Balances at December 31, 1997           2,145,535     17,667,024    (15,383,269)      4,429,290

Issuance of 6,000 shares of
   BB convertible preferred stock
   for cash, net of issuance costs        600,000           --             --           600,000
Net loss                                     --             --       (2,619,661)     (2,619,661)
                                     ------------   ------------   ------------    ------------

Balances at December 31, 1998        $  2,745,535   $ 17,667,024   $(18,002,930)   $  2,409,629
                                     ============   ============   ============    ============
<FN>
See accompanying notes.
</FN>
</TABLE>

                                       19
<PAGE>
<TABLE>

                         Human Pheromone Sciences, Inc.

                            Statements of Cash Flows

<CAPTION>
                                                                Years ended December 31,
                                                                ------------------------
                                                            1998           1997           1996
                                                        -----------    -----------    -----------
<S>                                                     <C>            <C>            <C>        
Cash flows from operating activities
Net income (loss)                                       $(2,619,661)   $(3,338,140)   $ 1,217,559
Adjustments to reconcile net income (loss)
  to net cash  used in  operating activities:
  Depreciation and amortization                              50,296         63,953         95,470

  Changes in operating assets and liabilities:
    Accounts receivable                                   1,203,664       (442,103)      (858,627)
    Inventory                                               526,757       (514,781)    (1,106,789)
    Other current assets                                     15,182        (54,403)        94,371
    Accounts payable                                       (108,974)      (418,093)       486,964
    Accrued advertising                                    (189,974)       525,651       (344,391)
    Accrued commissions                                     277,597        170,454           --
    Other accrued expenses                                 (142,941)      (196,902)      (174,345)
                                                        -----------    -----------    -----------
Net cash used in operating activities                      (988,054)    (4,204,364)      (589,788)

Cash flows from investing activities
Purchase of property and equipment                           (9,401)       (91,928)       (88,772)
                                                        -----------    -----------    -----------
Net cash used in investing activities                        (9,401)       (91,928)       (88,772)

Cash flows from financing activities
Proceeds from bank borrowings                             4,309,534      7,502,000           --
Repayment of bank borrowings                             (4,084,000)    (7,454,000)          --
Proceeds from issuance of convertible preferred stock       600,000      2,145,535           --
Proceeds from issuance of common stock                         --          292,290        550,816
                                                        -----------    -----------    -----------
Net cash provided by financing activities                   825,534      2,485,825        550,816

Net decrease in cash and cash equivalents                  (171,921)    (1,810,467)      (127,744)
Cash and cash equivalents at beginning of the year          248,617      2,059,084      2,186,828
                                                        -----------    -----------    -----------
Cash and cash equivalents at end of the year            $    76,696    $   248,617    $ 2,059,084
                                                        ===========    ===========    ===========
<FN>
See accompanying notes.
</FN>
</TABLE>


                                       20
<PAGE>

                         Human Pheromone Sciences, Inc.
                          Notes to Financial Statements
                                December 31, 1998

1.       SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Organization and Nature of Operations

         Human Pheromone Sciences,  Inc. (the "Company") was incorporated in the
State of  California  in 1989 under the name of EROX  Corporation.  The  Company
changed the name to Human Pheromone  Sciences,  Inc. in May 1998. The Company is
engaged in the research,  development,  manufacturing  and marketing of consumer
products  containing  synthetic  human  pheromones  as a component.  The Company
initiated commercial  operations in late 1994 with a line of fine fragrances and
toiletries.  The Company  currently sells its REALM fragrance  products  through
department   and  specialty   stores  across  the  United  States  and  selected
international markets.

Use of Estimates

         The  preparation  of  the  financial   statements  in  conformity  with
generally accepted  accounting  principles requires management to make estimates
and assumptions that affect the amounts reported in the financial statements and
accompanying notes. Actual results could differ from those estimates.

Concentration of Credit Risk

         The  Company's  concentration  of credit risk consists  principally  of
cash, cash equivalents and trade receivables.  Concentration of credit risk with
respect to trade  receivables  is limited  because the  Company's  customer base
consists of a large number of geographically diverse customers in the department
and  specialty  store  trade,  in the United  States and  various  international
markets.

Supplier Concentration

         The Company is dependent on third parties to manufacture  its fragrance
products,  as well as the synthesized  human  pheromones used in these products.
Capacity  limitations at these  essential  suppliers,  or any other  occurrences
leading to an interruption of supply could have a material adverse effect on the
Company.

Revenue Recognition

         Revenue  is  recorded  at the  time  of  merchandise  shipment,  net of
provisions  for  returns.  The  majority  of the  Company's  sales  are to large
department store chains.  During 1998 two customers comprised 22% and 16% of the
Company's total sales. The Company's foreign sales  approximated  6.3%, 8.4% and
7.5% of net sales  during  fiscal  1998,  1997 and 1996,  respectively.  Foreign
currency  transaction gains and losses are included in the results of operations
and were immaterial for all periods presented.

Advertising Expense

         The cost of advertising is expensed as incurred.  The Company  incurred
$2,160,148,  $5,912,176,  and $4,447,061 in advertising costs during 1998, 1997,
and 1996, respectively.

Stock Based Compensation

         The Company  grants stock  options to employees and  consultants  for a
fixed  number of shares  with an  exercise  price equal to the fair value of the
shares at the date of grant.

                                       21
<PAGE>

                         Human Pheromone Sciences. Inc.
                          Notes to Financial Statements
                                December 31, 1998

1.       SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (continued)

Net Income/Loss Per Share
<TABLE>

         Basic   net   income/(loss)   per   share   is   computed   using   the
weighted-average number of common shares outstanding.  Diluted net income/(loss)
per share is computed  using the  weighted-average  number of common  shares and
dilutive common equivalent shares outstanding during the period. Dilutive common
share  equivalents  consist of employee  stock options using the treasury  stock
method and dilutive  convertible  securities  using the  if-converted  method in
1996.  Common stock  equivalents  are  excluded  from the diluted loss per share
computation  in 1998 and 1997 as their  effect in  antidilutive.  The  following
table sets  forth the  computation  for basic and  diluted  earnings/(loss)  per
share:
<CAPTION>
                                          December 31,   December 31,     December 31,
                                             1998           1997             1996
                                         ------------    ------------    ------------
<S>                                      <C>             <C>             <C>         
Numerator:
Net income (loss) from operations        $ (2,619,661)   $ (3,338,140)   $  1,217,559
Denominator:
Denominator for basic per share
  data--Weighted-average shares            10,289,488      10,271,377       9,998,770
Effect of dilutive securities:
  Employee stock options                         --              --           509,910
                                         ------------    ------------    ------------
Denominator for diluted per share data     10,289,488      10,271,377      10,508,680

Basic net income (loss) per share        $      (0.25)   $      (0.32)   $       0.12
                                         ------------    ------------    ------------
Diluted net income (loss) per share      $      (0.25)   $      (0.32)   $       0.12
                                         ------------    ------------    ------------
</TABLE>

Cash and Cash Equivalents

         The Company considers all highly liquid  investments with a maturity of
three months or less when purchased to be cash equivalents.

Inventories

         Inventories  are  stated  at the  lower  of cost  (first-in,  first-out
method) or market. The inventory at December 31, 1998 consists of finished goods
inventory valued at $1,114,443, work in process of $264,599 and raw materials of
$1,515,499.  At December 31, 1997, these balances were $1,665,393,  $151,143 and
$1,604,762, respectively.

Property and Equipment

         The Company's property and equipment, which consists of molds, computer
hardware and software,  and furniture and fixtures,  are being  depreciated on a
straight-line basis over their estimated useful lives of up to three years.

Reclassifications

         Certain  prior year  amounts have been  reclassified  to conform to the
current year's presentation.

2.       PROPERTY AND EQUIPMENT

         Property and equipment consist of the following:

                                                      Years ended December 31,
                                                      ------------------------
                                                        1998             1997
                                                      ---------       ---------

           Molds                                      $ 477,769       $ 477,769
           Computer hardware                            103,381          93,487
           Computer software                            139,952         128,647
           Furniture and other office equipment          78,765          90,563
                                                      ---------       ---------
                                                        799,867         790,466
                                                      ---------       ---------
           Less: Accumulated depreciation              (741,271)       (690,975)
                                                      ---------       ---------
                                                      $  58,596       $  99,491
                                                      =========       =========

                                       22
<PAGE>

                         Human Pheromone Sciences, Inc.
                          Notes to Financial Statements
                                December 31, 1998


3.       LOAN PAYABLE, BANK

         At December  31, 1998,  there was a loan payable of $773,534  under the
Company's  Business Loan Agreement with  Mid-Peninsula  Bank. Under the terms of
this agreement the Company may borrow up to 75% of allowable accounts receivable
as defined. The interest rate on borrowings is the bank's prime rate plus 0.75%.
Borrowings  are  primarily  secured by the  Company's  accounts  receivable  and
inventories.  The Company was in default of certain  financial  covenants of its
borrowing  agreements  at December 31, 1998,  and waivers were obtained from the
Bank. The agreement was to expire April 1, 1999.

         On March 15, 1999, the Company renegotiated its Business Loan Agreement
with Mid-Peninsula Bank of Palo Alto,  California.  The Company may borrow up to
$3.0  million at an interest  rate equal to the bank's prime rate plus 1.0% with
borrowings  secured  primarily by the Company's trade receivables and inventory.
The agreement,  which expires on April 1, 2000, contains certain  debt-to-equity
and working capital covenants.

Because the Company's borrowing arrangement is renewed annually,  and because it
bears interest at a variable  rate,  the fair value of the Company's  borrowings
reasonably approximates carrying value.

4.       COMMITMENTS

         Effective  November 1, 1998,  the Company  extended the existing  lease
arrangement for office space in Fremont,  California until October 31, 2000. The
annual base rent will be approximately $116,774 and $100,970 for the years ended
December 31, 1999 and 2000,  respectively.  The lease also provides for payments
related to taxes, common area charges and outside maintenance.  In July 1998 the
Company  entered  into a  sublease  arrangement  for a  portion  of the  Fremont
facilities.  The sublease  expires October 31, 1999 and requires a total rent of
$77,748  plus  reimbursement  of  common  area  charges,   property  taxes,  and
maintenance.  The sublease  income is netted against rent expense.  Total rental
expense was  $129,415,  $138,540  and $88,776 for the years ended  December  31,
1998, 1997 and 1996, respectively.

5.       SHAREHOLDERS' EQUITY

Convertible Preferred Stock

         On December  23,  1998,  the Company  issued  6,000 shares of Series BB
convertible  preferred  stock for $600,000,  net of issuance costs, to a current
shareholder. The cash was used to reduce bank borrowings.

         Holders of shares of Series BB  convertible  preferred  stock  shall be
entitled  to the number of votes  equal to the number of shares of common  stock
into which such shares could be  converted.  600,000  shares of common stock are
reserved for the future  conversion of this  preferred  stock.  No dividends are
payable in connection with these preferred shares.

         Initially, each share of Series BB preferred stock shall be convertible
at $1.00 to one share of common  stock.  The initial  conversion  price shall be
increased  quarterly  beginning  April 1, 1999 by $2.00  such that the  original
issue  price  shall  increase by $8.00 per share each year.  In  addition,  each
preferred  share  shall  automatically  convert  in  the  event  of  any  of the
following:

1.   Immediately  after the closing bid price of the common  stock on the NASDAQ
     Stock  Market  exceeds  $5.00 per share for a period of twelve  consecutive
     weeks.

2.   Immediately  after the Company  reports  earnings  per common share for any
     fiscal year of $.50 or greater.

3.   Upon the written  request for such  conversion by sixty-six and  two-thirds
     percent (66 2/3%) of the then outstanding preferred stockholders.

4.   At the  time  that  sixty-six  and  two-thirds  percent  (66  2/3%)  of the
     preferred stock ever outstanding have converted to common stock.

         On August 25, 1997, the Company obtained additional equity capital from
affiliates of a current  shareholder  by issuing  1,433,333  shares of Series AA
convertible   preferred  stock.  This  investment   provided  the  Company  with
$2,145,535,  net of issuance  costs,  in equity  capital that was used to reduce
bank borrowings and finance accounts receivable.

                                       23
<PAGE>

                         Human Pheromone Sciences, Inc.
                          Notes to Financial Statements
                                December 31, 1998

5.       SHAREHOLDERS' EQUITY (Continued)


         Holders of shares of Series AA  convertible  preferred  stock  shall be
entitled  to the number of votes  equal to the number of shares of common  stock
into which such shares could be converted. Reserved for the future conversion of
this  preferred  stock are 1,433,333  shares of common  stock.  No dividends are
payable in connection with these preferred shares.

         Each share of Series AA preferred  stock shall be  convertible at $1.50
per share of common  stock.  Such  initial  conversion  price shall be increased
quarterly beginning October 1, 1997 by $.0225 such that the original issue price
shall increase by $.09 per share each year. In addition,  each  preferred  share
shall automatically convert in the event of any of the following:

1.   Immediately  after the closing bid price of the common  stock on the NASDAQ
     Stock  Market  exceeds  $5.00 per share for a period of twelve  consecutive
     weeks.

2.   Immediately  after the Company  reports  earnings  per common share for any
     fiscal year of $.50 or greater.

3.   Upon the written  request for such  conversion by sixty-six and  two-thirds
     percent (66 2/3%) of the then outstanding preferred stockholders.

4.   At the  time  that  sixty-six  and  two-thirds  percent  (66  2/3%)  of the
     preferred stock ever outstanding have converted to common stock.


Stock  Option Plan

         In 1990, the Company adopted a stock option plan (the "Plan"), which is
administered  by the  Compensation  and Stock  Option  Committee of the Board of
Directors.  The maximum  number of shares  that may be issued  under the Plan is
2,125,000.  Terms  and  conditions  of  stock  options  are set by the  Board of
Directors.  Options may be granted at the fair value at the date of the grant as
determined by the Board of  Directors.  Options for a holder of more than 10% of
the  voting  stock of the  Company  may be granted at not less than 110% of fair
market  value.  Options have a maximum term of ten years or a shorter  period as
set forth in the option  agreement,  and generally vest over a four-year  period
unless otherwise specified. Options granted to a shareholder with 10% or more of
the voting stock of the Company have a maximum term of five years.

         A summary of the option activity under the Plan is as follows:

                                                                    WEIGHTED
                                                     SHARES         AVERAGE
                                                     UNDER          EXERCISE
                                                     OPTION          PRICE
                                                     ------          -----
              
              Balance, December 31, 1995            796,000          $1.97
                       Options granted              498,600          $4.95
                       Options exercised           (234,933)         $2.26
                       Options canceled              (8,167)         $3.54
                                                  ---------
              Balance, December 31, 1996          1,051,500          $3.16
                       Options granted              100,000          $1.58
                       Options exercised           (102,583)         $2.05
                       Options canceled             (12,500)         $3.30
                                                  ---------
              Balance, December 31, 1997          1,036,417          $3.11
                       Options granted              127,500          $0.64
                       Options canceled            (487,817)         $3.65
                                                  ---------
              Balance, December 31, 1998            676,100          $2.27
                                                  =========
              
At December 31, 1998, a total of 623,384  shares of the  Company's  common stock
was reserved for future grants under the Plan,  and options to purchase  419,558
shares were exercisable.



                                       24
<PAGE>


                         Human Pheromone Sciences, Inc.
                          Notes to Financial Statements
                                December 31, 1998

5.       SHAREHOLDERS' EQUITY (continued)

In June 1993, the Company's Board of Directors adopted a Non-Employee Directors'
Stock Option Plan (Directors' Plan) covering a total of 275,000 shares of common
stock,  which  provides  for a one-time  automatic  grant of options to purchase
25,000  shares of common  stock and  annual  grants  thereafter  of  options  to
purchase  10,000  shares of common  stock to each  non-employee  director  at an
exercise price equal to the fair market value of the stock on the date of grant.
The stock option activity under the Plan was as follows:

                                                                     WEIGHTED
                                                    SHARES           AVERAGE
                                                    UNDER            EXERCISE
                                                    OPTION            PRICE
                                                    ------            -----
                  
                  Balance, December 31, 1995        155,000           $2.77
                           Options granted           40,000           $7.88
                                                    -------
                  Balance, December 31, 1996        195,000           $3.82
                           Options granted           55,000           $7.88
                           Options exercised        (30,000)          $2.73
                                                    -------
                  Balance, December 31, 1997        220,000           $3.45
                           Options granted           40,000           $0.67
                                                    -------
                  Balance, December 31, 1998        260,000           $3.02
                                                    =======
                  
At December 31, 1998, a total of 15,000 shares of the Company's common stock was
reserved for future grants under the  Directors'  Plan,  and options to purchase
239,996 shares were exercisable.

Stock Compensation

         The Company has elected to follow APB 25 and related Interpretations in
accounting  for its employee  stock options  because,  as discussed  below,  the
alternative fair value accounting  provided for under SFAS 123,  "Accounting for
Stock-Based Compensation," requires the use of option valuation models that were
not developed for use in valuing  employee stock options.  Under APB 25, because
the exercise price of the Company's stock options equals the market price of the
underlying stock on the date of grant, no compensation expense is recognized.

         Pro forma  information  regarding  net income and  earnings  (loss) per
share is required  by SFAS 123,  which also  requires  that the  information  be
determined  as if the Company  had  accounted  for its  employee  stock  options
granted  subsequent  to  December  31,  1994 under the fair value  method of the
Statement.  The fair value for these  options was estimated at the date of grant
using a Black-Scholes  multiple option pricing model with the following weighted
average assumptions:

                                  Option Grants   Option Grants    Option Grants
                                      1998             1997            1996
                                      ----             ----            ----

Risk-Free Interest Rates         4.00% to 5.50%   5.91% to 6.44%  4.95% to 6.50%
Dividend Yield                        -0-               -0-             -0-
Volatility factor of the 
   Company's common stock             1.7              .99              .88
Weighted average expected life 
   beyond each respective
   vesting period                   1 year           1 year            1 year

         The weighted  average fair value of options  granted during 1998,  1997
and 1996 was $0.59, $0.90 and $2.60, respectively.



                                       25
<PAGE>


                         Human Pheromone Sciences, Inc.
                          Notes to Financial Statements
                                December 31, 1998


5.       SHAREHOLDERS' EQUITY (continued)

         The  Black-Scholes  option  valuation  model was  developed  for use in
estimating  the fair value of traded  options that have no vesting  restrictions
and are fully  transferable.  In addition,  option  models  require the input of
highly  subjective  assumptions  including the expected stock price  volatility.
Because the Company's employee stock options have characteristics  significantly
different from those of traded  options,  and because  changes in the subjective
assumptions  can  materially  affect the fair value  estimate,  in  management's
opinion,  the  existing  models do not  necessarily  provide a  reliable  single
measure of the fair value of its employee stock options.  Had compensation  cost
for the Company's  employee stock option plan been determined  based on the fair
value at the grant  dates for  awards  under  those  plans  consistent  with the
methodology of SFAS 123, the Company's net income (loss) and earnings (loss) per
share would have been:

                                         1998             1997           1996
                                         -----            ----           ----
Pro forma net income (loss)           $(3,015,684)    $(4,081,816)    $  719,981
Pro forma income (loss) per share     $      (.29)    $      (.40)    $     0.07

<TABLE>

         Because SFAS 123 is applicable  only to options  granted  subsequent to
December 31, 1994, its pro forma effect is not fully  reflected  until 1998. The
following  table  summarizes  information  about stock  options  outstanding  at
December 31, 1998:
<CAPTION>
                                    OPTIONS OUTSTANDING                         OPTIONS EXERCISABLE
                     --------------------------------------------           ---------------------------
                                         WEIGHTED
                                         AVERAGE           WEIGHTED                             WEIGHTED
  RANGE OF             NUMBER            REMAINING         AVERAGE            NUMBER            AVERAGE
  EXERCISE           OUTSTANDING         CONTRACTUAL       EXERCISE         EXERCISABLE         EXERCISE
   PRICES            AT 12/31/98           LIFE             PRICE           AT 12/31/98           PRICE
   ------            -----------           ----             -----           -----------           -----
<S>                     <C>                <C>              <C>               <C>                 <C>  
$0.38 to $1.58          488,000            3.7              $1.25             281,454             $1.47
$1.58 to $2.37          227,500            5.0              $1.95             220,000             $1.96
$2.37 to $4.74           55,600            4.3              $3.86              55,600             $3.86
$4.74 to $7.91          165,000            4.6              $6.37             102,500             $6.67
                     -----------           ---              -----             -------             -----
$0.79 to $7.91          936,100            4.2              $2.48             659,554             $2.64
                     ===========                                              =======
</TABLE>


6.       RELATED PARTY TRANSACTIONS

         On February 29, 1996,  the Company  renewed a research and  development
agreement  with  Pherin  Corporation  ("Pherin"),  a company  related  by common
shareholders,  whereby Pherin supplies HPSI with its required  synthesized human
pheromones  and also provides to HPSI research and  development  and  scientific
public relations services. This renewal expired on March 1, 1998, the Company is
in the process of renegotiating the research and supply  agreements..  The total
expense incurred  pursuant to the Company's  research and development  agreement
with Pherin  Corporation  during the fiscal years ended December 31, 1998, 1997,
and 1996 was $303,625, $280,000 and $270,000, respectively.


7.       INCOME TAXES

         There was no provision for income taxes for the year ended December 31,
1998 or 1997 as the Company incurred net operating losses.

         At December 31, 1998, the Company had net operating loss  carryforwards
of  approximately  $15,500,000.  The  Company  also  had  federal  research  and
development tax carryforwards of approximately  $146,000. The net operating loss
and credit carryforwards will expire between 2004 and 2013.

         Utilization of the net operating losses and credits may be subject to a
substantial annual limitation due to the "change in ownership" provisions of the
Internal  Revenue  Code  of  1986  and  similar  state  provisions.  The  annual
limitations  may result in the  expiration of net  operating  losses and credits
before utilization.

                                       26
<PAGE>

                         Human Pheromone Sciences, Inc.
                          Notes to Financial Statements
                                December 31, 1998


7.       INCOME TAXES

         Significant  components  of  the  Company's  deferred  tax  assets  and
liabilities for federal and state income taxes are as follows:

      Deferred tax asset:                               1998           1997
                                                        ----           ----

               Net operating loss carryforward      $ 5,500,000    $ 4,590,000
               Research credit carryforward             200,000        180,000
               Returns Reserve                          300,000        330,000
               Other, net                               400,000        360,000
               Valuation allowance for deferred 
                 tax assets                          (6,400,000)    (5,460,000)
                                                    -----------    -----------
      Net deferred tax assets                       $      --      $      --   
                                                    ===========    ===========
      
         Because of the  Company's  lack of earnings  history,  the deferred tax
asset  has  been  fully  offset  by a  valuation  allowance.  The net  valuation
allowance increased by $940,000 and $1,750,000 in 1998 and 1997.


8.       SUBSEQUENT EVENT (unaudited)

         On March 26, 1999,  the Company  obtained  $300,000  additional  equity
capital from a current  shareholder by issuing  shares of convertible  preferred
stock.


                                       27



<TABLE>
                                            BUSINESS LOAN AGREEMENT

<CAPTION>
  Principal       Loan Date      Maturity     Loan No     Call    Collateral     Account     Officer      Initials
<S>               <C>           <C>          <C>          <C>         <C>                      <C>          <C> 
$3,000,000.00     04-01-1998    04-01-1999   0108143855   CL 10       04                       JS           JS

References in the shaded area are for Lender's use only and do not limit the applicability of this document to any
particular loan or item.
</TABLE>


Borrower: EROX Corporation                       Lender: Mid-Peninsula Bank
          4034 Clipper Court                             c/o Greater Bay Bancorp
          Fremont, CA 94538                              2860 W. Bayshore Road
                                                         Palo Alto, CA 94303

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

THIS  BUSINESS  LOAN  AGREEMENT   between  EROX  Corporation   ("Borrower")  and
Mid-Peninsula  Bank  ("Lender") is made and executed on the following  terms and
conditions.  Borrower has  received  prior  commercial  loans from Lender or has
applied  to  Lender  for  a  commercial   loan  or  loans  and  other  financial
accommodations,  including  those  which  may be  described  on any  exhibit  or
schedule   attached   to  this   Agreement.   All  such   loans  and   financial
accommodations, together with all future loans and financial accommodations from
Lender to Borrower, are referred to in this Agreement individually as the "Loan"
and  collectively as the "Loans."  Borrower  understands and agrees that: (a) in
granting,  renewing,  or extending any Loan,  Lender is relying upon  Borrower's
representations, warranties, and agreements, as set forth in this Agreement; (b)
the granting, renewing, or extending of any Loan by Lender at all times shall be
subject to Lender's sole judgment and  discretion;  and (c) all such Loans shall
be and shall  remain  subject  to the  following  terms and  conditions  of this
Agreement.

TERM. This Agreement shall be effective as of March 27, 1998, and shall continue
thereafter  until all  Indebtedness  of Borrower to Lender has been performed in
full and the parties terminate this Agreement in writing.

DEFINITIONS.  The following words shall have the following meanings when used in
this  Agreement.  Terms not otherwise  defined in this Agreement  shall have the
meanings attributed to such terms in the Uniform Commercial Code. All references
to dollar  amounts  shall mean amounts in lawful  money of the United  States of
America.

     Agreement. The word "Agreement" means this Business Loan Agreement, as this
     Business  Loan  Agreement  may be  amended or  modified  from time to time,
     together  with all exhibits and  schedules  attached to this  Business Loan
     Agreement from time to time.

     Borrower.  The word "Borrower" means EROX Corporation.  The word "Borrower"
     also includes,  as applicable,  all subsidiaries and affiliates of Borrower
     as provided below in the paragraph titled "Subsidiaries and Affiliates."

     CERCLA. The word "CERCLA" means the Comprehensive  Environmental  Response,
     Compensation, and Liability Act of 1980, as amended.

     Cash Flow. The words "Cash Flow" mean net income after taxes, and exclusive
     of extraordinary gains and income, plus depreciation and amortization.

     Collateral. The word "Collateral" means and includes without limitation all
     property and assets granted as collateral security for a Loan, whether real
     or personal  property,  whether  granted  directly or  indirectly,  whether
     granted now or in the future, and whether granted in the form of a security
     interest,  mortgage, deed of trust,  assignment,  pledge, chattel mortgage,
     chattel trust,  factor's lien,  equipment  trust,  conditional  sale, trust
     receipt,  lien,  charge,  lien  or  title  retention  contract,   lease  or
     consignment  intended as a security  device,  or any other security or lien
     interest whatsoever, whether created by law, contract, or otherwise.

     Debt.  The  word  "Debt"  means  all of  Borrower's  liabilities  excluding
     Subordinated Debt.

     ERISA. The word "ERISA" means the Employee  Retirement  Income Security Act
     of 1974, as amended.

     Event of Default.  The words  "Event of Default"  mean and include  without
     limitation  any of the Events of  Default  set forth  below in the  section
     titled "EVENTS OF DEFAULT."

     Grantor.  The word "Grantor" means and includes without limitation each and
     all  of the  persons  or  entities  granting  a  Security  interest  in any
     Collateral for the Indebtedness, including without limitation all Borrowers
     granting such a Security Interest.

     Guarantor.  The word "Guarantor" means and includes without limitation each
     and  all  of  the  guarantors,   sureties,  and  accommodation  parties  in
     connection with any Indebtedness.

     Indebtedness. The word "Indebtedness" means and includes without limitation
     all Loans,  together with all other  obligations,  debts and liabilities of
     Borrower  to Lender,  or any one or more of them,  as well as all claims by
     Lender  against  Borrower,  or any  one or  more of  them;  whether  now or
     hereafter existing,  voluntary or involuntary,  due or not due, absolute or
     contingent,  liquidated  or  unliquidated;  whether  Borrower may be liable
     individually or jointly with others; whether Borrower may be obligated as a
     guarantor,  surety,  or otherwise;  whether recovery upon such Indebtedness
     may be or hereafter  may become barred by any statute of  limitations;  and
     whether  such  Indebtedness  may  be  or  hereafter  may  become  otherwise
     unenforceable.

     Lender.  The word "Lender"  means  Mid-Peninsula  Bank,  its successors and
     assigns.

     Liquid Assets.  The words "Liquid Assets" mean Borrower's cash on hand plus
     Borrower's readily marketable securities.

     Loan. The word "Loan" or "Loans" means and includes without  limitation any
     and all  commercial  loans  and  financial  accommodations  from  Lender to
     Borrower,  whether  now  or  hereafter  existing,  and  however  evidenced,
     including  without  limitation  those  loans and  financial  accommodations
     described  herein or described on any exhibit or schedule  attached to this
     Agreement from time to time.

     Note.  The word "Note" means and  includes  without  limitation  Borrower's
     promissory note or notes, if any, evidencing Borrower's Loan obligations in
     favor of Lender, as well as any substitute, replacement or refinancing note
     or notes therefor.

     Permitted Liens.  The words "Permitted  Liens" mean: (a) liens and security
     interests  securing  indebtedness owed by Borrower to Lender; (b) liens for
     taxes,  assessments,  or  similar  charges  either  not  yet  due or  being
     contested in good faith; (c) liens of materialmen, mechanics, warehousemen,
     or carriers, or other like liens arising in the ordinary course of business
     and securing  obligations which are not yet delinquent;  (d) purchase money
     liens or purchase money security interests upon or in any property acquired
     or  held  by  Borrower  in  the  ordinary  course  of  business  to  secure
     indebtedness  outstanding  on the date of this Agreement or permitted to be
     incurred  under the paragraph of this  Agreement  titled "Indebtedness  and
     Liens";  (e) liens and  security  interests  which,  as of the date of this
     Agreement,  have been  disclosed  to and approved by the Lender in writing;
     and  (f)  those  liens  and  security  interests  which  in  the  aggregate
     constitute an immaterial and insignificant  monetary amount with respect to
     the net value of Borrower's assets.

     Related Documents.  The words "Related  Documents" mean and include without
     limitation  all  promissory  notes,  credit  agreements,  loan  agreements,
     environmental agreements, guaranties, security agreements, mortgages, deeds
     of trust, and all other instruments,  agreements and documents, whether now
     or hereafter existing, executed in connection with the Indebtedness.

     Security Agreement. The words "Security Agreement" mean and include without
     limitation   any    agreements,    promises,    covenants,    arrangements,
     understandings or other agreements,  whether created by law,  contract,  or
     otherwise, evidencing, governing, representing, or creating a Security


<PAGE>


04-01-1998                   BUSINESS LOAN AGREEMENT                      Page 2
Loan No 0108143855                (Continued)

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


     Interest.

     Security Interest.  The words "Security  Interest" mean and include without
     limitation any type of collateral security,  whether in the form of a lien,
     charge,  mortgage,  deed of trust,  assignment,  pledge,  chattel mortgage,
     chattel trust,  factor's lien,  equipment  trust,  conditional  sale, trust
     receipt, lien or title retention contract, lease or consignment intended as
     a security  device,  or any other  security  or lien  interest  whatsoever,
     whether created by law, contract, or otherwise.

     SARA. The word "SARA" means the Superfund  Amendments  and  Reauthorization
     Act of 1986 as new or hereafter amended.

     Subordinated  Debt. The words  "Subordinated  Debt" mean  indebtedness  and
     liabilities of Borrower which have been  subordinated by written  agreement
     to indebtedness owed by Borrower to Lender in form and substance acceptable
     to Lender.

     Tangible Net Worth.  The words "Tangible Net Worth" mean  Borrower's  total
     assets  excluding  all  intangible  assets  (i.e.,  goodwill,   trademarks,
     patents, copyrights, organizational expenses, and similar intangible items,
     but including leaseholds and leasehold improvements) less total Debt

     Working  Capital.  The words  "Working  Capital"  mean  Borrower's  current
     assets, excluding prepaid expenses, less Borrower's current liabilities.

CONDITIONS  PRECEDENT TO EACH ADVANCE.  Lender's  obligation to make the initial
Loan Advance and each  subsequent  Loan Advance  under this  Agreement  shall be
subject to the fulfillment to Lender's satisfaction of all of the conditions set
forth in this Agreement and in the Related Documents.

     Loan  Documents.  Borrower shall provide to Lender in form  satisfactory to
     Lender the  following  documents for the Loan:  (a) the Note,  (b) Security
     Agreements  granting to Lender security  interests in the  Collateral,  (c)
     Financing Statements  perfecting Lender's Security Interests;  (d) evidence
     of insurance as required below; and (e) any other documents  required under
     this Agreement or by Lender or its counsel.

     Borrower's  Authorization.   Borrower  shall  have  provided  in  form  and
     substance  satisfactory  to Lender  property  certified  resolutions,  duly
     authorizing the execution and delivery of this Agreement,  the Note and the
     Related  Documents,  and such other  authorizations and other documents and
     instruments  as  Lender  or its  counsel,  in their  sole  discretion,  may
     require.

     Payment of Fees and Expenses.  Borrower shall have paid to Lender all fees,
     charges,  and other expenses which are then due and payable as specified in
     this Agreement or any Related Document.

     Representations  and  Warranties.  The  representations  and warranties set
     forth in this Agreement,  in the Related Documents,  and in any document or
     certificate delivered to Lender under this Agreement are true and correct.

     No Event of  Default.  There  shall not exist at the time of any  advance a
     condition which would constitute an Event of Default under this Agreement.

REPRESENTATIONS  AND WARRANTIES.  Borrower represents and warrants to Lender, as
of the  date of this  Agreement,  as of the  date of each  disbursement  of Loan
proceeds, as of the date of any renewal,  extension or modification of any Loan,
and at all times any Indebtedness exists:

     Organization.  Borrower is a corporation  which is duly organized,  validly
     existing,  and in good  standing  under the laws of the State of California
     and is  validly  existing  and in good  standing  in all  states  in  which
     Borrower is doing  business.  Borrower has the full power and  authority to
     own its  properties and to transact the businesses in which it is presently
     engaged or presently proposes to engage. Borrower also is duly qualified as
     a foreign  corporation  and is in good  standing in all states in which the
     failure  to so  qualify  would  have  a  material  adverse  effect  on  its
     businesses or financial condition.

     Authorization.  The execution,  delivery, and performance of this Agreement
     and all  Related  Documents  by  Borrower,  to the  extent to be  executed,
     delivered  or  performed  by  Borrower,  have been duly  authorized  by all
     necessary action by Borrower; do not require the consent or approval of any
     other  person,  regulatory  authority  or  governmental  body;  and  do not
     conflict with,  result in a violation of, or constitute a default under (a)
     any provision of its articles of incorporation or organization,  or bylaws,
     or any agreement or other instrument  binding upon Borrower or (b) any law,
     governmental regulation, court decree, or order applicable to Borrower.

     Financial  Information.  Each financial  statement of Borrower  supplied to
     Lender truly and completely  disclosed Borrower's financial condition as of
     the date of the statement, and there has been no material adverse change in
     Borrower's  financial  condition  subsequent to the date of the most recent
     financial statement supplied to Lender. Borrower has no material contingent
     obligations except as disclosed in such financial statements.

     Legal Effect. This Agreement  constitutes,  and any instrument or agreement
     required  hereunder to be given by Borrower when delivered will constitute,
     legal,  valid and  binding  obligations  of  Borrower  enforceable  against
     Borrower in accordance with their respective terms.

     Properties.  Except as  contemplated  by this  Agreement  or as  previously
     disclosed in Borrower's financial statements or in writing to Lender and as
     accepted  by  Lender,  and  except  for  property  tax  liens for taxes not
     presently  due and  payable,  Borrower  owns and has  good  title to all of
     Borrower's properties free and clear of all Security Interests, and has not
     executed any security  documents or financing  statements  relating to such
     properties.  All of Borrower's  properties  are titled in Borrower's  legal
     name, and Borrower has not used, or filed a financing  statement under, any
     other name for at least the last five (5) years.

     Hazardous Substances.  The terms "hazardous waste," "hazardous  substance,"
     "disposal," "release," and "threatened release," as used in this Agreement,
     shall have the same  meanings  as set forth in the  "CERCLA,"  "SARA,"  the
     Hazardous Materials  Transportation  Act, 49 U.S.C.  Section 1801, et seq.,
     the Resource  Conservation  and Recovery  Act, 42 U.S.C.  Section  6901, et
     seq.,  Chapters 6.5 through 7.7 of Division 20 of the California Health and
     Safety Code,  Section 25100, et seq., or other  applicable state or Federal
     laws,  rules,  or  regulations  adopted  pursuant to any of the  foregoing.
     Except as  disclosed  to and  acknowledged  by Lender in writing,  Borrower
     represents and warrants that: (a) During the period of Borrower's ownership
     of the properties, there has been no use, generation, manufacture, storage,
     treatment,  disposal,  release or threatened release of any hazardous waste
     or substance by any person on, under,  about or from any of the properties.
     (b) Borrower has no knowledge  of, or reason to believe that there has been
     (i) any use, generation, manufacture, storage, treatment disposal, release,
     or threatened  release of any hazardous waste or substance on, under, about
     or from the  properties  by any  prior  owners or  occupants  of any of the
     properties,  or (ii) any actual or  threatened  litigation or claims of any
     kind by any person relating to such matters.  (c) Neither  Borrower nor any
     tenant, contractor, agent or other authorized user of any of the properties
     shall use, generate,  manufacture, store, treat, dispose of, or release any
     hazardous  waste  or  substance  on,  under,  about  or  from  any  of  the
     properties; and any such activity shall be conducted in compliance with all
     applicable  federal,  state, and local laws,  regulations,  and ordinances,
     including  without  limitation  those  laws,   regulations  and  ordinances
     described above.  Borrower  authorizes  Lender and its agents to enter upon
     the  properties  to make such  inspections  and  tests as  Lender  may deem
     appropriate to determine  compliance of the properties with this section of
     the  Agreement.  Any  inspections  or  tests  made by  Lender  shall  be at
     Borrower's  expense  and  for  Lender's  purposes  only  and  shall  not be
     construed to create any  responsibility  or liability on the part of Lender
     to Borrower or to any other  person.  The  representations  and  warranties
     contained herein are based on Borrower's due diligence in investigating the
     properties for hazardous  waste and hazardous  substances.  Borrower hereby
     (a) releases and waives any future claims  against  Lender for indemnity or
     contribution  in the event  Borrower  becomes  liable for  cleanup or other
     costs under any such laws,  and (b) agrees to indemnify  and hold  harmless
     Lender against any and all claims, losses, liabilities, damages, penalties,
     and  expenses  which Lender may  directly or  indirectly  sustain or suffer
     resulting  from  a  breach  of  this  section  of  the  Agreement  or  as a
     consequence of any use, generation, manufacture, storage, disposal, release
     or threatened release occurring prior to Borrowers ownership or interest in
     the  properties,  whether or not the same was or should  have been known to
     Borrower. The provisions


<PAGE>


04-01-1998                   BUSINESS LOAN AGREEMENT                      Page 3
Loan No 0108143855                (Continued)

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


     of this section of the  Agreement,  including the  obligation to indemnify,
     shall  survive  the  payment of the  Indebtedness  and the  termination  or
     expiration  of  this  Agreement  and  shall  not be  affected  by  Lender's
     acquisition  of  any  interest  in  any  of  the  properties,   whether  by
     foreclosure or otherwise.

     Litigation and Claims. No litigation, claim, investigation,  administrative
     proceeding or similar  action  (including  those for unpaid taxes)  against
     Borrower is pending or  threatened,  and no other event has occurred  which
     may  materially   adversely  affect  Borrower's   financial   condition  or
     properties,  other than litigation,  claims,  or other events, if any, that
     have been disclosed to and acknowledged by Lender in writing.

     Taxes. To the best of Borrower's knowledge,  all tax returns and reports of
     Borrower  that are or were required to be filed,  have been filed,  and all
     taxes,  assessments and other governmental  charges have been paid in full,
     except those  presently  being or to be contested by Borrower in good faith
     in the ordinary  course of business and for which  adequate  reserves  have
     been provided.

     Lien Priority.  Unless otherwise previously disclosed to Lender in writing,
     Borrower  has not  entered  into or granted  any  Security  Agreements,  or
     permitted  the  filing  or  attachment  of  any  Security  Interests  on or
     affecting any of the Collateral  directly or indirectly  securing repayment
     of Borrower's  Loan and Note, that would be prior or that may in any way be
     superior  to  Lender's  Security  Interests  and  rights  in  and  to  such
     Collateral.

     Binding Effect. This Agreement,  the Note, all Security Agreements directly
     or indirectly securing repayment of Borrower's Loan and Note and all of the
     Related  Documents  are binding  upon  Borrower as well as upon  Borrower's
     successors,  representatives  and assigns,  and are legally  enforceable in
     accordance with their respective terms.

     Commercial  Purposes.  Borrower intends to use the Loan proceeds solely for
     business or commercial related purposes.

     Employee Benefit Plans. Each employee benefit plan as to which Borrower may
     have any liability  complies in all material  respects with all  applicable
     requirements  of law and  regulations,  and  (i) no  Reportable  Event  nor
     Prohibited  Transaction  (as defined in ERISA) has occurred with respect to
     any such  plan,  (ii)  Borrower  has not  withdrawn  from any such  plan or
     initiated  steps to do so, (iii) no steps have been taken to terminate  any
     such plan,  and (iv)  there are no  unfunded  liabilities  other than those
     previously disclosed to Lender in writing.

     Location of Borrower's  Offices and Records.  Borrower's place of business,
     or Borrowers Chief executive office, if Borrower has more than one place of
     business,  is located at 4034  Clipper  Court,  Fremont,  CA 94538.  Unless
     Borrower has  designated  otherwise  in writing  this  location is also the
     office  or  offices  where  Borrower  keeps  its  records   concerning  the
     Collateral.

     Information.  All  information  heretofore  or  contemporaneously  herewith
     furnished by Borrower to Lender for the purposes of or in  connection  with
     this  Agreement  or  any  transaction   contemplated  hereby  is,  and  all
     information  hereafter furnished by or on behalf of Borrower to Lender will
     be,  true and  accurate in every  material  respect on the date as of which
     such information is dated or certified;  and none of such information is or
     will be incomplete by omitting to state any material fact necessary to make
     such information not misleading.

     Survival of Representations and Warranties. Borrower understands and agrees
     that Lender, without independent  investigation,  is relying upon the above
     representations  and  warranties  in extending  Loan  Advances to Borrower.
     Borrower further agrees that the foregoing  representations  and warranties
     shall be  continuing  in nature  and shall  remain in full force and effect
     until such time as Borrower's  indebtedness shall be paid in full, or until
     this Agreement shall be terminated in the manner provided above,  whichever
     is the last to occur.

AFFIRMATIVE  COVENANTS.  Borrower  covenants and agrees with Lender that,  while
this Agreement is in effect, Borrower will:

     Litigation.  Promptly inform Lender in writing of (a) all material  adverse
     changes in  Borrower's  financial  condition,  and (b) all existing and all
     threatened litigation, claims,  investigations,  administrative proceedings
     or  similar  actions  affecting  Borrower  or  any  Guarantor  which  could
     materially  affect the  financial  condition  of Borrower or the  financial
     condition of any Guarantor.

     Financial  Records.  Maintain  its books and  records  in  accordance  with
     generally accepted  accounting  principles,  applied on a consistent basis,
     and permit Lender to examine and audit  Borrower's books and records at all
     reasonable times.

     Additional Information. Furnish such additional information and statements,
     lists of assets  and  liabilities,  agings  of  receivables  and  payables,
     inventory  schedules,  budgets,  forecasts,  tax returns, and other reports
     with respect to Borrower's  financial  condition and business operations as
     Lender may request from time to time.

     Financial  Covenants and Ratios.  Comply with the  following  covenants and
     ratios:

          Tangible Net Worth.  Maintain a minimum Tangible Net Worth of not less
          than $3,200,000.00.

          Net Worth Ratio. Maintain a ratio of Total Liabilities to Tangible Net
          Worth of less than 1.25 to 1.00.

          Other Ratio.  Maintain a ratio of Minimum Quick Ratio of 0.90 to 1.00.
          Except  as  provided  above,  all   computations   made  to  determine
          compliance with the requirements  contained in this paragraph shall be
          made in accordance  with  generally  accepted  accounting  principles,
          applied on a consistent basis, and certified by Borrower as being true
          and correct.

          Insurance.  Maintain fire and other risk insurance,  public  liability
          insurance, and such other insurance as Lender may require with respect
          to Borrower's properties and operations,  in form, amounts,  coverages
          and  with  insurance  companies   reasonably   acceptable  to  Lender.
          Borrower,  upon request of Lender, will deliver to Lender from time to
          time the policies or certificates of insurance in form satisfactory to
          Lender, including stipulations that coverages will not be cancelled or
          diminished  without at least ten (10) days'  prior  written  notice to
          Lender.  Each  insurance  policy  also shall  include  an  endorsement
          providing that coverage in favor of Lender will not be impaired in any
          way by any act,  omission or default of Borrower or any other  person.
          In connection with all policies  covering assets in which Lender holds
          or is offered a security interest for the Loans, Borrower will provide
          Lender  with such loss  payable  or other  endorsements  as Lender may
          require.

     Insurance Reports.  Furnish to Lender,  upon request of Lender,  reports on
     each  existing  insurance  policy  showing such  information  as Lender may
     reasonably request including without limitation the following: (a) the name
     of the insurer;  (b) the risks insured;  (c) the amount of the policy;  (d)
     the properties  insured;  (e) the then current property values on the basis
     of which insurance has been obtained,  and the manner of determining  those
     values;  and (f) the  expiration  date of the  policy.  In  addition,  upon
     request of Lender  (however not more often than  annually),  Borrower  will
     have  an  independent  appraiser  satisfactory  to  Lender  determine,   as
     applicable,  the actual cash value or replacement  cost of any  Collateral.
     The cost of such appraisal shall be paid by Borrower.

     Other  Agreements.  Comply  with all  terms  and  conditions  of all  other
     agreements,  whether now or hereafter  existing,  between  Borrower and any
     other  party and notify  Lender  immediately  in writing of any  default in
     connection with any other such agreements.

     Loan  Proceeds.  Use all  Loan  proceeds  solely  for  Borrower's  business
     operations,  unless  specifically  consented  to the  contrary by Lender in
     writing.

     Taxes,   Charges  and  Liens.  Pay  and  discharge  when  due  all  of  its
     indebtedness and obligations, including without limitation all assessments,
     taxes,  governmental  charges,  levies and liens, of every kind and nature,
     imposed upon Borrower or its properties,  income, or profits,  prior to the
     date on which  penalties  would  attach,  and all lawful  claims  that,  if
     unpaid,  might become a lien or charge upon any of  Borrower's  properties,
     income, or profits.  Provided however, Borrower will not be required to pay
     and discharge any such assessment, tax, charge, levy, lien or claim so


<PAGE>


04-01-1998                   BUSINESS LOAN AGREEMENT                      Page 4
Loan No 0108143855                (Continued)

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

     long as (a) the  legality of the same shall be  contested  in good faith by
     appropriate  proceedings,  and (b) Borrower  shall have  established on its
     books  adequate  reserves with respect to such contested  assessment,  tax,
     charge,  levy,  lien,  or  claim  in  accordance  with  generally  accepted
     accounting  practices.  Borrower,  upon demand of Lender,  will  furnish to
     Lender  evidence of payment of the  assessments,  taxes,  charges,  levies,
     liens and claims and will authorize the appropriate  governmental  official
     to deliver to Lender at any time a written  statement  of any  assessments,
     taxes,  charges,  levies,  liens and claims against Borrower's  properties,
     income, or profits.

     Performance.  Perform and comply with all terms, conditions, and provisions
     set  forth  in this  Agreement  and in the  Related  Documents  in a timely
     manner,  and promptly notify Lender if Borrower learns of the occurrence of
     any event which  constitutes  an Event of Default  under this  Agreement or
     under any of the Related Documents.

     Operations.  Maintain executive and management personnel with substantially
     the  same  qualifications  and  experience  as the  present  executive  and
     management  personnel;  provide  written  notice to Lender of any change in
     executive  and  management  personnel;  conduct its  business  affairs in a
     reasonable  and  prudent  manner  and in  compliance  with  all  applicable
     federal,  state and  municipal  laws,  ordinances,  rules  and  regulations
     respecting its properties,  charters, businesses and operations,  including
     without limitation, compliance with the Americans With Disabilities Act and
     with all minimum  funding  standards  and other  requirements  of ERISA and
     other laws applicable to Borrower's employee benefit plans.

     Inspection.  Permit employees or agents of Lender at any reasonable time to
     inspect any and all Collateral  for the Loan or Loans and Borrower's  other
     properties and to examine or audit Borrower's books,  accounts, and records
     and to make  copies  and  memoranda  of  Borrower's  books,  accounts,  and
     records.  If Borrower now or at any time  hereafter  maintains  any records
     (including  without  limitation  computer  generated  records and  computer
     software  programs for the generation of such records) in the possession of
     a third party, Borrower, upon request of Lender, shall notify such party to
     permit  Lender free access to such records at all  reasonable  times and to
     provide Lender with copies of any records it may request, all at Borrower's
     expense.

     Compliance Certificate.  Unless waived in writing by Lender, provide Lender
     at least annually with a certificate executed by Borrower's chief financial
     officer,  or other officer or person acceptable to Lender,  certifying that
     the representations and warranties set forth in this Agreement are true and
     correct as of the date of the certificate and further  certifying  that, as
     of the date of the  certificate,  no Event of  Default  exists  under  this
     Agreement.

     Environmental Compliance and Reports. Borrower shall comply in all respects
     with all environmental  protection federal, state and local laws, statutes,
     regulations and ordinances; not cause or permit to exist, as a result of an
     intentional or unintentional  action or omission on its part or on the part
     of any third  party,  on property  owned and/or  occupied by Borrower,  any
     environmental  activity where damage may result to the environment,  unless
     such  environmental  activity  is pursuant  to and in  compliance  with the
     conditions of a permit issued by the  appropriate  federal,  state or local
     governmental authorities; shall furnish to Lender promptly and in any event
     within  thirty  (30)  days  after  receipt  thereof  a copy of any  notice,
     summons, lien, citation,  directive, letter or other communication from any
     governmental  agency  or  instrumentality  concerning  any  intentional  or
     unintentional  action or omission on Borrower's part in connection with any
     environmental  activity  whether or not there is damage to the  environment
     and/or other natural resources.

     Additional Assurances.  Make, execute and deliver to Lender such promissory
     notes,   mortgages,   deeds  of  trust,   security  agreements,   financing
     statements,  instruments,  documents and other  agreements as Lender or its
     attorneys  may  reasonably  request to evidence and secure the Loans and to
     perfect all Security Interests.

NEGATIVE  COVENANTS.  Borrower  covenants and agrees with Lender that while this
Agreement is in effect, Borrower shall not, without the prior written consent of
Lender:

     Indebtedness  and Liens.  (a) Except for trade debt  incurred in the normal
     course  of  business  and  indebtedness  to  Lender  contemplated  by  this
     Agreement,  create,  incur  or  assume  indebtedness  for  borrowed  money,
     including capital leases,  (b) except as allowed as a Permitted Lien, sell,
     transfer, mortgage, assign, pledge, lease, grant a security interest in, or
     encumber  any of  Borrower's  assets,  or (c)  sell  with  recourse  any of
     Borrower's accounts, except to Lender.

     Continuity   of   Operations.   (a)  Engage  in  any  business   activities
     substantially  different than those in which Borrower is presently engaged,
     (b) cease operations,  liquidate,  merge, transfer,  acquire or consolidate
     with any other  entity,  change  ownership,  change its name,  dissolve  or
     transfer or sell Collateral out of the ordinary course of business, (c) pay
     any  dividends on  Borrower's  stock (other than  dividends  payable in its
     stock),  provided,  however that notwithstanding the foregoing, but only so
     long as no Event of Default has occurred and is  continuing or would result
     from the payment of dividends,  if Borrower is a "Subchapter S Corporation"
     (as defined in the Internal Revenue Code of 1986, as amended), Borrower may
     pay cash  dividends on its stock to its  shareholders  from time to time in
     amounts  necessary to enable the  shareholders to pay income taxes and make
     estimated  income tax payments to satisfy their  liabilities  under federal
     and state law which arise  solely from their  status as  Shareholders  of a
     Subchapter S Corporation  because of their  ownership of shares of stock of
     Borrower.

     Loans, Acquisitions and Guaranties. (a) Loan, invest in or advance money or
     assets,  (b)  purchase,  create  or  acquire  any  interest  in  any  other
     enterprise  or entity,  or (a) incur any  obligation as surety or guarantor
     other than in the ordinary course of business.

CESSATION OF  ADVANCES.  If Lender has made any  commitment  to make any Loan to
Borrower, whether under this Agreement or under any other agreement Lender shall
have no  obligation  to make Loan  Advances or to disburse Loan proceeds if: (a)
Borrower or any Guarantor is in default under the terms of this Agreement or any
of the Related  Documents or any other  agreement that Borrower or any Guarantor
has with  Lender;  (b)  Borrower or any  Guarantor  becomes  insolvent,  files a
petition in  bankruptcy  or similar  proceedings,  or is adjudged a bankrupt (c)
there occurs a material adverse change in Borrower's financial condition, in the
financial condition of any Guarantor, or in the value of any Collateral securing
any Loan; or (d) any  Guarantor  seeks,  claims or otherwise  attempts to limit,
modify or revoke  such  Guarantor's  guaranty of the Loan or any other loan with
Lender.

ADVANCES AGAINST ACCOUNTS RECEIVABLE/INVENTORY.  Lender  shall make  advances to
Borrower,  at  Borrowers  request,  equal to a maximum of seventy  five (75%) of
Eligible Accounts Receivable. The definition of Accounts Receivable and Eligible
Accounts  Receivable  is  described on Exhibit "A"  consisting  of two (2) pages
which is attached hereto and made a part of this Business Loan Agreement by this
reference.  The maximum  line  borrowing  will be limited by the  advance  rates
specified  above,  based on the trading assets levels at the end of each monthly
period.

ADDITIONAL FINANCIAL  REPORTING.  Borrower will provide to Lender the following:
Monthly Accounts  Receivable Agings,  Accounts Payable Agings and Borrowing Base
Certificate to be received within 20 days of month end.

FINANCIAL REPORTING. Borrower will provide to Lender the following:

1.) Company  prepared  Financial  Statements  including  Balance  Sheet,  Income
Statement, and Statement of Cash flows on a monthly basis.
2.)  Audited  financial  statement,  bearing  an  unqualified  opinion,  will be
provided  within 120 days of fiscal year end, by  way of  submission of the 10-K
filing.

EVENTS OF DEFAULT.  Each of the following  shall  constitute an Event of Default
under this Agreement:

     Default on  Indebtedness.  Failure of Borrower to make any payment when due
     on the Loans.

     Other  Defaults.  Failure of  Borrower  or any Grantor to comply with or to
     perform when due any other term, obligation, covenant or condition


<PAGE>


04-01-1998                   BUSINESS LOAN AGREEMENT                      Page 5
Loan No 0108143855                (Continued)

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

     contained in this Agreement or in any of the Related Documents,  or failure
     of  Borrower  to comply  with or to  perform  any other  term,  obligation,
     covenant or condition  contained in any other agreement  between Lender and
     Borrower.

     Default In Favor of Third Parties.  Should  Borrower or any Grantor default
     under any loan, extension of credit, security agreement,  purchase or sales
     agreement, or any other agreement, in favor of any other creditor or person
     that may materially affect any of Borrower's  property or Borrower's or any
     Grantor's   ability  to  repay  the  Loans  or  perform  their   respective
     obligations under this Agreement or any of the Related Documents.

     False  Statements.  Any  warranty,  representation  or  statement  made  or
     furnished  to Lender by or on behalf of Borrower or any Grantor  under this
     Agreement or the Related  Documents is false or  misleading in any material
     respect at the time made or  furnished,  or becomes  false or misleading at
     any time thereafter.

     Defective Collateralization. This Agreement or any of the Related Documents
     ceases to be in full force and effect  (including  failure of any  Security
     Agreement to create a valid and  perfected  Security  Interest) at any time
     and for any reason.

     Insolvency.  The  dissolution or  termination of Borrower's  existence as a
     going business,  the insolvency of Borrower,  the appointment of a receiver
     for any part of  Borrower's  property,  any  assignment  for the benefit of
     creditors,  any  type  of  creditor  workout,  or the  commencement  of any
     proceeding under any bankruptcy or insolvency laws by or against Borrower.

     Creditor  or  Forfeiture   Proceedings.   Commencement  of  foreclosure  or
     forfeiture  proceedings,   whether  by  judicial   proceeding,   self-help,
     repossession or any other method, by any creditor of Borrower, any creditor
     of any Grantor against any collateral securing the Indebtedness,  or by any
     governmental agency. This includes a garnishment, attachment, or levy on or
     of any of Borrower's deposit accounts with Lender.  However,  this Event of
     Default  shall not apply if there is a good faith  dispute by  Borrower  or
     Grantor,  as the case may be, as to the validity or  reasonableness  of the
     claim which is the basis of the creditor or forfeiture  proceeding,  and if
     Borrower  or  Grantor  gives  Lender  written  notice  of the  creditor  or
     forfeiture  proceeding  and  furnishes  reserves  or a surety  bond for the
     creditor or forfeiture proceeding satisfactory to Lender.

     Events Affecting Guarantor. Any of the preceding events occurs with respect
     to any  Guarantor  of any of the  Indebtedness  or any  Guarantor  dies  or
     becomes  incompetent,  or revokes or disputes the validity of, or liability
     under, any Guaranty of the indebtedness.  Lender,  at its option,  may, but
     shall  not  be  required  to,  permit  the  Guarantor's  estate  to  assume
     unconditionally  the  obligations  arising  under the  guaranty in a manner
     satisfactory to Lender, and, in doing so, cure the Event of Default.

     Change In Ownership.  Any change in ownership  pursuant to which any person
     or  controlled  group  acquires  twenty-five  percent  (25%) or more of the
     common stock of Borrower.

     Adverse Change.  A material  adverse change occurs in Borrower's  financial
     condition, or Lender believes the prospect of payment or performance of the
     indebtedness is impaired.

     Right to Cure.  If any default,  other than a Default on  Indebtedness,  is
     curable and if Borrower or Grantor,  as the case may be, has not been given
     a notice of a similar default within the preceding  twelve (12) months,  it
     may be cured (and no Event of Default  will have  occurred)  if Borrower or
     Grantor,  as the case may be, after  receiving  written  notice from Lender
     demanding  cure of such default:  (a) cures the default within fifteen (15)
     days; or (b) if the cure requires more than fifteen (15) days,  immediately
     initiates  steps which  Lender  deems in  Lender's  sole  discretion  to be
     sufficient to cure the default and  thereafter  continues and completes all
     reasonable and necessary steps sufficient to produce  compliance as soon as
     reasonably practical.

EFFECT OF AN EVENT OF DEFAULT. If any Event of Default shall occur, except where
otherwise provided in this Agreement or the Related  Documents,  all commitments
and  obligations of Lender under this Agreement or the Related  Documents or any
other  agreement  immediately  will terminate  (including any obligation to make
Loan  Advances or  disbursements),  and, at Lender's  option,  all  Indebtedness
immediately  will  become due and  payable,  all  without  notice of any kind to
Borrower,  except that in the case of an Event of Default of the type  described
in the "Insolvency"  subsection above, such acceleration  shall be automatic and
not  optional.  In  addition,  Lender  shall have all the  rights  and  remedies
provided in the Related  Documents or available at law, in equity, or otherwise.
Except as may be  prohibited  by  applicable  law,  all of  Lender's  rights and
remedies  shall be cumulative and may be exercised  singularly or  concurrently.
Election by Lender to pursue any remedy  shall not exclude  pursuit of any other
remedy,  and an  election to make  expenditures  or to take action to perform an
obligation  of  Borrower or of any Grantor  shall not affect  Lender's  right to
declare a default and to exercise its rights and remedies.

MISCELLANEOUS  PROVISIONS.  The following miscellaneous provisions are a part of
this Agreement:

     Amendments.   This   Agreement,   together  with  any  Related   Documents,
     constitutes the entire understanding and agreement of the parties as to the
     matters set forth in this  Agreement. No alteration of or amendment to this
     Agreement  shall be  effective  unless  given in writing  and signed by the
     party or  parties  sought  to be  charged  or bound  by the  alteration  or
     amendment.

     Applicable Law. This Agreement has been delivered to Lender and accepted by
     Lender in the State of California.  If there is a lawsuit,  Borrower agrees
     upon Lender's  request to submit to the jurisdiction of the courts of Santa
     Clara County, the State of California.  This Agreement shall be governed by
     and construed in accordance with the laws of the State of California.

     Caption  Headings.  Caption  headings in this Agreement are for convenience
     purposes only and are not to be used to interpret or define the  provisions
     of this Agreement.

     Consent to Loan  Participation.  Borrower  agrees and  consents to Lender's
     sale or  transfer,  whether  now or  later,  of one or  more  participation
     interests  in the  Loans  to one or more  purchasers,  whether  related  or
     unrelated to Lender. Lender may provide, without any limitation whatsoever,
     to any one or more purchasers, or potential purchasers,  any information or
     knowledge Lender may have about Borrower or about any other matter relating
     to the Loan,  and Borrower  hereby waives any rights to privacy it may have
     with  respect to such  matters.  Borrower  additionally  waives any and all
     notices of sale of participation  interests,  as well as all notices of any
     repurchase of such participation  interests.  Borrower also agrees that the
     purchasers of any such  participation  interests  will be considered as the
     absolute owners of such interests in the Loans and will have all the rights
     granted under the participation  agreement or agreements governing the sale
     of such  participation  interests.  Borrower  further  waives all rights of
     offset  or  counterclaim  that it may have now or later  against  Lender or
     against any purchaser of such a participation  interest and unconditionally
     agrees  that  either  Lender  or  such  purchaser  may  enforce  Borrower's
     obligation under the Loans irrespective of the failure or insolvency of any
     holder of any  interest  in the Loans.  Borrower  further  agrees  that the
     purchaser of any such  participation  interests  may enforce its  interests
     irrespective  of any  personal  claims or defenses  that  Borrower may have
     against Lender.

     Costs and  Expenses.  Borrower  agrees to pay upon  demand all of  Lender's
     expenses,   including  without  limitation  attorneys'  fees,  incurred  in
     connection with the preparation,  execution, enforcement,  modification and
     collection of this Agreement or in connection  with the Loans made pursuant
     to this  Agreement.  Lender may pay someone  else to help collect the Loans
     and to enforce  this  Agreement,  and Borrower  will pay that amount.  This
     includes,  subject to any limits under applicable law, Lender's  attorneys*
     fees and  Lender's*  legal  expenses,  whether  or not there is a  lawsuit,
     attorneys' fees for bankruptcy  proceedings (including efforts to modify or
     vacate any automatic  stay or  injunction),  appeals,  and any  anticipated
     post-judgment collection services.  Borrower also will pay any court costs,
     in addition to all other sums provided by law.

     * reasonable

     Notices.  All notices  required to be given under this  Agreement  shall be
     given in writing,  may be sent by telefacsimile  (unless otherwise required
     by law), and shall be effective  when actually  delivered or when deposited
     with a nationally recognized overnight courier or deposited in the United


<PAGE>

04-01-1998                   BUSINESS LOAN AGREEMENT                      Page 6
Loan No 0108143855                (Continued)

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

     States mall, first class,  postage prepaid,  addressed to the party to whom
     the notice is to be given at the address shown above.  Any party may change
     its address for  notices  under this  Agreement  by giving  formal  written
     notice to the other parties,  specifying  that the purpose of the notice is
     to change the party's  address.  To the extent permitted by applicable law,
     if there is more than one Borrower,  notice to any Borrower will constitute
     notice to all  Borrowers.  For notice  purposes,  Borrower will keep Lender
     informed at all times of Borrower's current address(es).

     Severability.  If a court of competent  jurisdiction finds any provision of
     this  Agreement  to be  invalid  or  unenforceable  as  to  any  person  or
     circumstance,  such  finding  shall not render  that  provision  invalid or
     unenforceable as to any other persons or  circumstances,  If feasible,  any
     such  offending  provision  shall be deemed to be modified to be within the
     limits of enforceability or validity;  however,  if the offending provision
     cannot be so  modified,  it shall be stricken and all other  provisions  of
     this Agreement in all other respects shall remain valid and enforceable.

     Subsidiaries  and Affiliates of Borrower.  To the extent the context of any
     provisions  of this  Agreement  makes  it  appropriate,  including  without
     limitation any representation, warranty or covenant, the word "Borrower" as
     used herein shall  include all  subsidiaries  and  affiliates  of Borrower.
     Notwithstanding  the foregoing however,  under no circumstances  shall this
     Agreement  be  construed  to  require  Lender  to make  any  Loan or  other
     financial accommodation to any subsidiary or affiliate of Borrower.

     Successors  and Assigns.  All covenants and  agreements  contained by or on
     behalf of Borrower shall bind its successors and assigns and shall inure to
     the benefit of Lender,  its  successors  and  assigns.  Borrower  shall not
     however,  have the right to assign its rights  under this  Agreement or any
     interest therein, without the prior written consent of Lender.

     Survival. All warranties,  representations,  and covenants made by Borrower
     in this Agreement or in any  certificate or other  instrument  delivered by
     Borrower to Lender under this  Agreement  shall be  considered to have been
     relied upon by Lender and will  survive the making of the Loan and delivery
     to Lender of the Related Documents, regardless of any investigation made by
     Lender or on Lender's behalf.

     Time is of the Essence.  Time is of the essence in the  performance of this
     Agreement.

     Waiver.  Lender  shall not be deemed to have  waived any rights  under this
     Agreement  unless such waiver is given in writing and signed by Lender.  No
     delay or  omission  on the part of Lender  in  exercising  any right  shall
     operate as a waiver of such right or any other right. A waiver by Lender of
     a provision of this Agreement shall not prejudice or constitute a waiver of
     Lender's right otherwise to demand strict compliance with that provision or
     any other provision of this Agreement.  No prior waiver by Lender,  nor any
     course of dealing  between  Lender and Borrower,  or between Lender and any
     Grantor,  shall  constitute  a waiver of any of  Lender's  rights or of any
     obligations  of Borrower  or of any Grantor as to any future  transactions.
     Whenever  the  consent  of Lender is  required  under this  Agreement,  the
     granting of such  consent by Lender in any  instance  shall not  constitute
     continuing consent in subsequent  instances where such consent is required,
     and in all cases  such  consent  may be  granted  or  withheld  in the sole
     discretion of Lender.

BORROWER  ACKNOWLEDGES  HAVING READ ALL THE  PROVISIONS  OF THIS  BUSINESS  LOAN
AGREEMENT, AND BORROWER AGREES TO ITS TERMS. THIS AGREEMENT IS DATED AS OF APRIL
1, 1998.

BORROWER:

EROX Corporation

By: /s/ William P. Horgan
    --------------------------------------------------------
    William P. Horgan, Chairman & Chief Executive Officer

LENDER:

Mid-Peninsula Bank

By: /s/ J. H. Stafford
    --------------------------------------------------------
     Authorized Officer

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

<PAGE>


                                   EXHIBIT "A"

A. Definitions

         (1) "Account  Receivable" shall mean an account arising in the ordinary
course  of  Borrower's  business  from the sale of goods or the  performance  of
services.

         (2) "Account Debtor" shall mean the obligor on any Account Receivable.

         (3) "Eligible Account" shall mean an Account Receivable,  excluding the
following.

                  a. Accounts  Receivable which remain  uncollected more than 90
days from invoice date ("Delinquent Accounts");

                  b. Accounts  Receivable  due from an Account  Debtor which has
suffered a business failure or the termination of its existence,  or as to which
a  dissolution,  insolvency or bankruptcy  proceeding  has been  commenced,  any
assignment for the benefit of creditors has been made or a trustee,  receiver or
conservator  has  been  appointed  for all or any part of the  property  of such
Account Debtor;

                  c. Accounts  Receivable due from an Account Debtor  affiliated
with Borrower in any manner,  including  without  limitation,  as a stockholder,
owner, officer, director, agent or employee;

                  d. Accounts Receivable with respect to which payment is or may
be conditional;

                  e. Accounts Receivable due from an Account Debtor who is not a
resident  or  citizen  of,  located  in, or subject to service of process in the
United States of America;

                  f. Accounts  Receivable  due from an Account Debtor who is any
national,  federal  or  state  government,   including  without  limitation,  an
instrumentality, division, agency, body or department thereof;

                  g. Accounts  Receivable commonly known as "bill and hold" or a
similar arrangement;

                  h. Accounts  Receivable due from an Account Debtor as to which
20%  or  more  of the  aggregate  dollar  amount  of  all  outstanding  Accounts
Receivable owing from such Account Debtor are Delinquent Accounts;

                                       (1)

<PAGE>


                                   EXHIBIT "A"

Page Two.


                  i. That  portion of  Accounts  Receivable  due from an Account
Debtor which is in excess of 50% of the  Borrower's  aggregate  dollar amount of
all outstanding Accounts Receivable;

                  j. Accounts  Receivable as to which  Borrower is or may become
liable to the Account Debtor for any reason;

                  k.  Accounts  Receivable  which  are not  free  of all  liens,
encumbrances,  charges,  rights  and  interest  of any kind,  except in favor of
Lender;

                  1. Accounts Receivable which are supported or represented by a
promissory note,  post-dated check or letter of credit unless such instrument is
actually delivered to Lender;

                  m. Accounts Receivable which are unsuitable as collateral,  as
determined by Lender in the exercise of its reasonable sole  discretion;


Dated: April 1, 1998                   Borrower:

                                       By: /s/ William P. Horgan
                                           -------------------------------------

                                           William P. Horgan, Chairman &
                                       By: Chief Executive Officer
                                           -------------------------------------


                                       Lender: Mid-Peninsula Bank


                                       By: /s/ J. H. Stafford
                                           -------------------------------------
                                           J. H. Stafford, Senior Vice President

<PAGE>


<TABLE>
                                                 PROMISSORY NOTE

<CAPTION>
  Principal       Loan Date      Maturity     Loan No     Call    Collateral     Account     Officer       Initial
<S>               <C>           <C>          <C>          <C>         <C>                      <C>           <C> 
$3,000,000.00     04-01-1998    04-01-1998   0108143855   CL 10       04                       JS            JS

References in the shaded area are for Lender's use only and do not limit the applicability of this document to any
particular loan or item.
</TABLE>


Borrower: EROX Corporation                       Lender: Mid-Peninsula Bank
          4034 Clipper Court                             c/o Greater Bay Bancorp
          Fremont, CA 94538                              2860 W. Bayshore Road
                                                         Palo Alto, CA 94303

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


Principal Amount: $3,000,000.00 Initial Rate: 9.250% Date of Note: April 1, 1998

PROMISE TO PAY. EROX Corporation  ("Borrower")  promises to pay to Mid-Peninsula
Bank ("Lender"),  or order, in lawful money of the United States of America, the
principal amount of Three Million & 00/100 Dollars ($3,000,000.00) or so much as
may be outstanding,  together with interest on the unpaid outstanding  principal
balance of each  advance.  Interest  shall be  calculated  from the date of each
advance until repayment of each advance.

PAYMENT.  Borrower will pay this loan on demand, or if no demand is made, in one
payment of all  outstanding  principal plus all accrued unpaid interest on April
1, 1999.  In addition,  Borrower  will pay regular  monthly  payments of accrued
unpaid interest beginning May 1, 1998, and all subsequent  interest payments are
due on the same day of each month after that. The annual  interest rate for this
Note is  computed  on a 365/360  basis;  that is, by  applying  the ratio of the
annual  interest  rate over a year of 360 days,  multiplied  by the  outstanding
principal balance, multiplied by the actual number of days the principal balance
is outstanding.  Borrower will pay Lender at Lender's  address shown above or at
such other place as Lender may designate in writing.  Unless otherwise agreed or
required by applicable  law,  payments  will be applied first to accrued  unpaid
interest,  then to principal,  and any remaining amount to any unpaid collection
costs and late charges.

VARIABLE INTEREST RATE. The interest rate on this Note is subject to change from
time to time based on changes in an independent index which is the Prime Rate as
published in the Wall Street Journal (Western Edition) (the "Index").  The Index
is not  necessarily the lowest rate charged by Lender on its loans. If the Index
becomes  unavailable  during  the term of this  loan,  Lender  may  designate  a
substitute index after notice to Borrower. Lender will tell Borrower the current
Index rate upon Borrower's  request.  Borrower  understands that Lender may make
loans based on other rates as well. The interest rate change will not occur more
often than each day.  The index  currently is 8.500%.  The  interest  rate to be
applied to the unpaid principal  balance of this Note will be at a rate of 0.750
percentage  points  over the  Index,  resulting  in an  initial  rate of 9.250%.
NOTICE:  Under no circumstances will the interest rate on this Note be more than
the maximum rate allowed by applicable law.

PREPAYMENT;  MINIMUM  INTEREST  CHARGE.  Borrower  agrees that all loan fees and
other  prepaid  finance  charges are earned fully as of the date of the loan and
will not be subject to refund  upon early  payment  (whether  voluntary  or as a
result of default), except as otherwise required by law. In any event, even upon
full prepayment of this Note, Borrower  understands that Lender is entitled to a
minimum interest charge of $250.00.  Other than Borrower's obligation to pay any
minimum  interest  charge,  Borrower may pay without penally all or a portion of
the amount owed earlier than it is due. Early  payments will not,  unless agreed
to by Lender in writing,  relieve Borrower of Borrower's  obligation to continue
to make  payments  of accrued  unpaid  interest.  Rather,  they will  reduce the
principal balance due.

LATE  CHARGE.  If a payment  is 10 days or more late,  Borrower  will be charged
$15.00.

DEFAULT.  Borrower  will be in  default  if any of the  following  happens:  (a)
Borrower  fails to make any payment when due.  (b)  Borrower  breaks any promise
Borrower has made to Lender, or Borrower fails to comply with or to perform when
due any other term, obligation, covenant, or condition contained in this Note or
any agreement  related to this Note, or in any other  agreement or loan Borrower
has with Lender.  (c)  Borrower  defaults  under any loan,  extension of credit,
security  agreement,  purchase or sales agreement,  or any other  agreement,  in
favor of any  other  creditor  or  person  that  may  materially  affect  any of
Borrowers property or Borrower's ability to repay this Note or perform Borrowers
obligations  under  this  Note  or  any  of  the  Related  Documents.   (d)  Any
representation  or  statement  made or  furnished  to Lender by  Borrower  or on
Borrowers behalf is false or misleading in any material respect either now or at
the time made or  furnished.  (e)  Borrower  becomes  insolvent,  a receiver  is
appointed for any part of Borrower's property,  Borrower makes an assignment for
the benefit of creditors,  or any proceeding is commenced  either by Borrower or
against Borrower under any bankruptcy or insolvency laws. (f) Any creditor tries
to take any of Borrower's  property on or in which Lender has a lien or security
interest. This includes a garnishment of any of Borrower's accounts with Lender.
(g) Any  guarantor  dies or any of the other  events  described  in this default
section  occurs  with  respect to any  guarantor  of this  Note.  (h) A material
adverse change occurs in Borrower's financial condition,  or Lender believes the
prospect of payment or performance of the Indebtedness is impaired.

If any default,  other than a default in payment, is curable and if Borrower has
not been given a notice of a breach of the same  provision  of this Note  within
the preceding twelve (12) months,  it may be cured (and no event of default will
have occurred) if Borrower, after receiving written notice from Lender demanding
cure of such default:  (a) cures the default within fifteen (15) days; or (b) if
the cure requires more than fifteen (15) days, immediately initiates steps which
Lender deems in Lender's  sole  discretion  to be sufficient to cure the default
and  thereafter  continues  and  completes all  reasonable  and necessary  steps
sufficient to produce compliance as soon as reasonably practical.

LENDER'S  RIGHTS.  Upon default,  Lender may declare the entire unpaid principal
balance on this Note and all accrued unpaid interest  immediately  due,  without
notice,  and then Borrower will pay that amount.  Upon Borrower's failure to pay
all amounts declared due pursuant to this section, including failure to pay upon
final maturity,  Lender, at its option,  may also, if permitted under applicable
law, increase the variable interest rate on this Note to 5.750 percentage points
over the Index. Lender may hire or pay someone else to help collect this Note if
Borrower does not pay. Borrower also will pay Lender that amount. This includes,
subject  to any  limits  under  applicable  law,  Lender's  attorneys'  fees and
Lender's legal expenses whether or not there is a lawsuit,  including attorneys'
fees and legal expenses for bankruptcy  proceedings (including efforts to modify
or vacate  any  automatic  stay or  injunction),  appeals,  and any  anticipated
post-judgment  collection services.   Borrower also will pay any court costs, in
addition to all other sums  provided  by law.  This Note has been  delivered  to
Lender and accepted by Lender in the State of California. If there is a lawsuit,
Borrower  agrees  upon  Lender's  request to submit to the  jurisdiction  of the
courts of Santa  Clara  County,  the  State of  California.  This Note  shall be
governed  by  and  construed  in  accordance  with  the  laws  of the  State  of
California.

COLLATERAL.  This Note is secured by the collateral as described in that certain
Commercial Security agreement dated July 17, 1995.

LINE OF CREDIT.  This Note evidences a revolving line of credit.  Advances under
this Note, as well as directions for payment from  Borrower's  accounts,  may be
requested  orally or in writing by Borrower or by an authorized  person.  Lender
may, but need not,  require that all oral requests be confirmed in writing.  The
following party or parties are authorized to request  advances under the line of
credit until  Lender  receives  from  Borrower at Lender's  address  shown above
written notice of revocation of their authority:  William P. Horgan,  Chairman &
Chief  Executive  Officer;  and Maxine C.  Harmatta,  Vice  President,  Finance.
Borrower  agrees to be liable for all sums either:  (a)  advanced in  accordance
with  the  instructions  of an  authorized  person  or  (b)  credited  to any of
Borrower's accounts with Lender. The unpaid principal balance owing on this Note
at any  time  may be  evidenced  by  endorsements  on this  Note or by  Lender's
internal  records,  including  daily computer  print-outs.   Lender will have no
obligation to advance funds under this Note if: (a) Borrower or any guarantor is
in default  under the terms of this Note or any  agreement  that Borrower or any
guarantor has with Lender,  including any agreement made in connection  with the
signing of this Note; (b) Borrower or any guarantor ceases doing


<PAGE>


04-01-1998                      PROMISSORY NOTES                          Page 2
Loan No 0108143855                (Continued)

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


business or is insolvent;  (c) any guarantor seeks, claims or otherwise attempts
to limit, modify or revoke such guarantor's  guarantee of this Note or any other
loan with Lender;  or (d) Borrower has applied funds  provided  pursuant to this
Note for purposes other than those authorized by Lender.

BUSINESS LOAN  AGREEMENT.  In addition to the terms and conditions  contained in
the Note,  it is also  subject  to the terms and  conditions  contained  in that
certain Business Loan Agreement (the "Agreement") dated April 1, 1998,  executed
by Borrower in favor of Lender.

PRIOR NOTE.  The Promissory  Note from EROX  Corporation to Lender dated July 1,
1997.

GENERAL  PROVISIONS.  This Note is payable on demand.  The inclusion of specific
default  provisions  or rights of Lender  shall not preclude  Lender's  right to
declare payment of this Note on its demand.  Lender may delay or forgo enforcing
any of its rights or remedies under this Note without losing them.  Borrower and
any other  person who signs,  guarantees  or endorses  this Note,  to the extent
allowed by law, waive any applicable statute of limitations, presentment, demand
for  payment,  protest and notice of  dishonor.  Upon any change in the terms of
this Note, and unless otherwise  expressly stated in writing, no party who signs
this Note, whether as maker, guarantor,  accommodation maker or endorser,  shall
be released  from  liability.  All such  parties  agree that Lender may renew or
extend  (repeatedly  and for any length of time) this loan, or release any party
or guarantor or collateral;  or impair, fail to realize upon or perfect Lender's
security interest in the collateral;  and take any other action deemed necessary
by Lender  without the  consent of or notice to anyone.  All such  parties  also
agree that  Lender  may modify  this loan  without  the  consent of or notice to
anyone other than the party with whom the modification is made.

PRIOR TO SIGNING THIS NOTE,  BORROWER READ AND  UNDERSTOOD ALL THE PROVISIONS OF
THIS NOTE,  INCLUDING THE VARIABLE INTEREST RATE PROVISIONS.  BORROWER AGREES TO
THE TERMS OF THE NOTE AND ACKNOWLEDGES RECEIPT OF A COMPLETED COPY OF THE NOTE.


BORROWER:

EROX Corporation

By: /s/ William P. Horgan
   ------------------------------------------------------
   William P. Horgan, Chairman & Chief Executive Officer


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




                               EXTENSION AGREEMENT

         THIS  EXTENSION  AGREEMENT  is  entered  into  as of  the  24th  day of
September, 1998,  by and  between  ProLogis  Limited  Partnership  I, a Delaware
Limited  Partnership  (formerly  known as SCI Limited  Partnership I, a Delaware
Limited  Partnership)  (the  "Landlord") and Human Pheromone  Sciences.  Inc., a
California  Corporation  (formerly  known  as  Erox  Corporation,  a  California
Corporate) (the "Tenant").


                                   WITNESSETH:

         WHEREAS, Landlord and Tenant have entered into a Lease, dated as of the
29th day of September, 1995, pursuant to which Landlord leased to Tenant certain
premises located at 4034 Clipper Court,  Fremont,  CA (such lease, as heretofore
and hereafter modified, being herein referred to as the "Lease").

         WHEREAS, Landlord and Tenant desire to extend  the term of the Lease on
the terms and conditions set forth below.

         NOW THEREFORE,  in consideration of Ten Dollars ($10.00) and other good
and  valuable  consideration,  the  receipt and  sufficiency  of which is hereby
acknowledged, the Landlord and Tenant agree as follows:

         1.      The term of the Lease is extended for  twenty four (24) months,
                 such that the Lease shall terminate on the 31st day of October,
                 2000. All of the terms and conditions of the Lease shall remain
                 in full force and  effect during such  extension  period except
                 that the  Monthly  Base Rent shall be as  follows  during  such
                 extension:

                          Months                  Rent
                          ------                  ----
                          1-12                    $ 9,658.00
                          13-24                   $10,097.00


         2.  Except as  modified  herein,  the  Lease,  and all of the terms and
conditions thereof, shall remain in full force and effect.

         3.  Any  obligation  or  liability   whatsoever  of  Security   Capital
Industrial Trust, a Maryland real estate  investment  trust,  which may arise at
any time under the Lease or this Agreement or any obligation or liability  which
may  be  incurred  by it  pursuant  to  any  other  instrument,  transaction  or
undertaking contemplated hereby, shall not be personally binding upon, nor shall
resort for the  enforcement  thereof be had to the  property  of, its  trustees,
directors,  shareholders,  officers,  employees, or agents regardless of whether
such obligation or liability is in the nature of contract, tort or otherwise.

         IN WITNESS  WHEREOF,  the parties  hereto  have  signed this  Extension
Agreement as of the day and year first above written.


                                      ProLogis Limited Partnership I, a Delaware
                                      Limited Partnership

                                      By: /s/ Ned K. Anderson
                                          -------------------------------------
                                      Name:    Ned K. Anderson
                                      Title:   Senior Vice President

                                                                       LANDLORD


                                      Human Pheromone Sciences, Inc. a 
                                      California Corporation

                                      By: /s/ William P. Horgan
                                          -------------------------------------
                                      Name:    William P. Horgan
                                      Title:   CFO

                                                                          TENANT


THE SYMBOL '*' IS USED THROUGHOUT THIS EXHIBIT TO INDICATE THAT A PORTION OF THE
EXHIBIT HAS BEEN OMITTED AND FILED SEPARATELY WITH THE COMMISSION.

                                SUPPLY AGREEMENT
                                ----------------

         THIS AGREEMENT is entered into this 15th day of December,  1998 between
HUMAN PHEROMONE  SCIENCES,  INC., a corporation,  with an office at 4034 Clipper
Court,  Fremont,  California 94538 (hereinafter referred to as "HPSI"), and AVON
PRODUCTS,  INC.,  a New York  corporation,  with an office at 1345 Avenue of the
Americas, New York, New York 10105 (hereinafter referred to as "AVON").

         WHEREAS, HPSI represents that it owns patent rights relating to the use
of certain human pheromones;

         WHEREAS,  AVON is interested in developing a business relationship with
HPSI for the  manufacture,  supply,  sale and  distribution  of a global line of
products containing such human pheromones;

         NOW,  THEREFORE,  in consideration of the foregoing promises and mutual
covenants hereinafter contained, the parties hereby agree as follows:

                                   ARTICLE I.
                                  DEFINITIONS
                                  -----------

         The  following  terms shall have the  respective  meanings  hereinafter
indicated:

         (a)  "Affiliate"  shall mean (i) any  person,  firm or company of which
AVON now or hereafter owns or controls,  directly or  indirectly,  forty percent
(40%) or more, or (ii) any person,  firm or company which now or hereafter  owns
or controls,  directly or  indirectly,  forty  percent (40%) or more of AVON, or
(iii) any person,  firm or company which is under common  control with AVON. For
the purpose of this definition, where ownership is by stock ownership, the stock
owned or controlled by a particular  person,  firm or company shall be deemed to
include all stock owned or  controlled,  directly  or  indirectly,  by any other
person,  firm or company of which the particular person, firm or company owns or
controls,  directly  or  indirectly,  forty  percent  (40%) or more of the stock
having the right to vote for directors thereof.

         (b) "Effective Date" shall mean January 1, 1999.

         (c)  "Field  of Use"  shall  mean the  global  market  served  by AVON,
including,  but not limited to: (i) the market serviced by a distribution system
utilizing  a sales  force  of  independent  sales  representatives  selling  the
Products (as hereafter defined)  primarily


                                       1
<PAGE>

to  the  general   public;   (ii)   catalogs  and  direct  mail;   (iii)  direct
telecommunications  sales,  including,  without  limitation,  sales  by means of
radio,  television,  telephone,  the Internet or on-line computer services;  and
(iv) any retail outlet (including,  without  limitation,  the Avon Centre,  Avon
Sales Centers, Avon Beauty Centers, Avon Express Centers, mall carts and kiosks)
where  primarily AVON products are sold.  Field of Use shall  expressly  exclude
mass merchandisers and drug chains/stores in the United States and Canada.

         (d)  "Patents"  shall mean  United  States  Patent Nos.  5,272,134  and
5,278,141   and   all   divisions,   continuations,   and   continuation-in-part
applications,   reissues  and   re-examinations   thereof  and  patents  issuing
therefrom, and all corresponding foreign patent applications and granted foreign
parents.

         (e) "Pheromone(s)"  shall mean the steroid(s),  [*] and [*] referred to
in the  claims of the  Patents  which will be at the [*]of [*] of [*] and [*] of
[*].

         (f) "Product(s)" shall mean fragrances and fragrance ancillary products
(such as lotions,  creams,  shower gel, talc, body products,  bath preparations,
bath products and bath soaps),  fragrances for inclusion in home scents, candles
and room sprays,  all of which use a Pheromone  as a component.  Notwithstanding
the foregoing,  in no event shall Products include any product for which a claim
is made  that such  product  may be used for the  cure,  prevention,  treatment,
mitigation  or diagnosis of any disease.  Nothing shall prevent AVON from making
any other types of substantiated claims for these Products.

         (g) "Quest" shall mean Quest International,  the fragrance company that
will purchase the Pheromones from HPSI on AVON's behalf.

         (h) "Specifications" shall mean Pheromones with the characteristics set
forth by AVON.

         (i)  "Technical  Information"  shall  mean  any  and  all  information,
including  manufacturing   information,   trade  secrets,  data,  expertise  and
know-how, known by HPSI and relating to the use of pheromones.

                                  ARTICLE II.
                              SUPPLY OF PHEROMONES
                              --------------------

         2.1.  Purchase  and  Sale  of  Pheromones:  During  the  term  of  this
Agreement,  HPSI shall  provide to AVON,  and Quest will  purchase  from HPSI on
AVON's  behalf,  for sale only to Avon and its  Affiliates  and not to any other
party or to be used by Quest or any other party,  all of AVON's  requirements of
the Pheromones for inclusion in Products to be sold on a non-exclusive  basis in
the Field of Use. It is understood by the parties that,  upon Quest's payment to
HPSI for the supply of  Pheromones or to any third party as

                                       2
<PAGE>

set forth in 2.6, it is agreed  that  neither  Quest nor any third party  having
rights under the Patents  will bring any claim or action  against AVON or any of
its  Affiliates  based on or asserting  that the use,  sale or offer for sale or
import of Products in the Field of Use violates any proprietary or patent rights
of HPSI.

         2.2.  Placement  of Orders by Quest:  Quest will submit  firm  purchase
orders on AVON's  behalf to HPSI from time to time  specifying  the  quantity of
Pheromones  desired and the shipment date of dates for the quantity (or specific
quantities,  if more than one shipment date is specified) of the  Pheromones set
forth in the purchase  order.  The  shipping  date shall not be less than ninety
(90) days after the date of the  written  purchase  order.  Prior to placing any
orders with HPSI,  Quest shall be required to sign a  confidentiality  agreement
which will  govern the use by Quest of the  Technical  Information  provided  by
HPSI.

         2.3. Specifications: HPSI will supply the Pheromones in accordance with
AVON's Specifications, a copy of which will be attached and incorporated herein.

         2.4.  Delivery of the  Pheromones:  HPSI will deliver the quantities of
the Pheromones as set forth in each Quest purchase order.  The Pheromones  shall
be  shipped  F.O.B.  Salt Lake City to Quest  International,  400  International
Drive, Mt. Olive, New Jersey 97828,  Attention:  Neil Wasser. Quest will specify
to HPSI the method of shipment.  AVON shall be solely responsible for payment of
all delivery  costs to Quest.  HPSI will deliver [*] of  Pheromones  to Quest no
later  than [*].  HPSI will send [*] of  Pheromones  to Quest no later than [*].
HPSI agrees to deliver [*]  additional  [*] of Pheromones to Quest no later than
[*].  HPSI  agrees to keep a one (1) pound  minimum  quantity of  Pheromones  in
inventory at all times during the term of this Agreement for sale to AVON.  HPSI
will also  deliver  [*] of [*] and [*] of [*] to AVON's  Research &  Development
facility within seven days of signing this Agreement.

         2.5.  Guarantee:  HPSI shall provide AVON with a  certificate  for each
shipment of Pheromones  representing,  warranting and guaranteeing  that, at the
time of delivery of the Pheromones to Quest,  such Pheromones (i) will have been
manufactured,   packaged,   held  and   shipped  in   accordance   with   AVON's
Specifications  and (ii) will have expiration  dating of not less than [*] after
the date of  delivery  thereof.  HPSI  shall  retain a  sufficient  quantity  of
retention  samples  of each  lot of the  Pheromones  that are  shipped  to Quest
throughout the term of this Agreement.

         2.6. Notification:  In the event that HPSI, at any time during the term
of this Agreement, shall have reason to believe that it will be unable to timely
supply Quest with the full  quantity of the  Pheromones  ordered by Quest,  HPSI
shall promptly notify AVON thereof. In the event it is determined that HPSI will
be unable to completely  fulfill its commitment to supply AVON's required amount
of  Pheromones,  HPSI shall fully  cooperate  with AVON in locating  third party
supplier(s)  and permit such third party  


                                       3
<PAGE>

supplier(s) to complete AVON's supply requirement of Pheromones.  In such event,
HPSI  agrees  to  disclose  to  the  third  party  supplier(s),  pursuant  to  a
confidentiality  agreement,  all Technical  Information  necessary to enable the
third party supplier(s) to complete such supply.  Any consideration paid by AVON
to such third party  supplier(s)  shall be taken as a credit by AVON against the
supply  fees due to HPSI  under  this  Agreement.  Compliance  by HPSI with this
Section 2.7 shall not relieve HPSI of any other  obligation  or liability  under
this Agreement, including without limitation any provision of this Section 2.

                                  ARTICLE III.
                                  SUPPLY FEES
                                  -----------

         3.1. Fee: The fee to be paid for the Pheromones is [*] in  crystallized
form. This fee shall remain firm through [*].

         3.2.  Invoicing by Quest:  HPSI will invoice Quest for each quantity of
Pheromones on or after the date on which HPSI ships such quantity to Quest.  All
invoices  from HPSI to Quest will be due in full thirty (30) days after the date
of invoice. In the event that Quest does not make payment to HPSI, AVON shall be
obligated to make such payment to HPSI forthwith.

                                  ARTICLE IV.
                         REPRESENTATIONS AND WARRANTIES
                         ------------------------------

         4.1. HPSI covenants, represents and warrants:

                  (a) That it is the exclusive owner of all rights in and to all
the Patents;

                  (b)  That,  to the  best of its  knowledge,  there  are no (i)
facts,  claims or threats that would  adversely  affect AVON's ability to use or
sell  the  Pheromones  in  the  Products  or  (ii)  other  person(s),   firm(s),
corporation(s)  or other entity  having any right,  title or interest in, any or
all of the Patents in the Field of Use;

                  (c) That it has full power to grant the rights, and privileges
herein given;

                  (d) That  HPSI has the  expertise,  facilities  and  personnel
necessary to manufacture  the  Pheromones in a timely manner in accordance  with
the terms and conditions of this Agreement.

                  (e) That the Pheromones  are produced from  materials  meeting
all of AVON Specifications.

                                       4
<PAGE>

                  (f) Except as  otherwise  set forth in  Sections  4.1 and 2.5,
HPSI makes no warranty or representation,  express or implied, including but not
limited  to any  warranty  of  merchantability  or  fitness  for any  particular
purpose.

                                   ARTICLE V.
                                      TERM
                                      ----

         5.1. The term of this  Agreement  shall begin on the Effective Date and
will expire on [*]. This Agreement may be renewed by mutual agreement for one or
more successive renewal terms,  provided that such agreement is reached at least
thirty (30) days before the expiration of the initial term or any renewal term.

         5.2. AVON shall have the right to terminate  this Agreement at any time
upon ninety  (90) days prior  written  notice to HPSI.  In the event of any such
termination of this Agreement,  AVON shall continue to have the right to use and
sell the Products  until such time as AVON  completely  consumes  its  remaining
inventory of Products.  Termination of this Agreement  shall not relieve AVON of
any requirement to make any payment that has accrued prior to such termination.

                                  ARTICLE VI.
                                INDEMNIFICATION
                                ---------------

         6.1.  Notwithstanding  anything to the contrary  contained or suggested
herein, HPSI agrees to indemnify and hold harmless AVON from and against any and
all claims,  damages and liabilities asserted by any third party for any finders
fee(s),  commission(s) or the like arising from or out of any claim made by such
third party in  connection  with this  Agreement or the subject  matter  hereof.

                                  ARTICLE VII.
                                 MISCELLANEOUS
                                 -------------

         7.1.  Assignability:  Neither this  Agreement  nor any license or right
hereunder shall be assignable or otherwise  transferable by either party hereto,
except  to a  successor  to  substantially  all of the  business  to which  this
Agreement  relates,  provided that such successor shall expressly  assume all of
the obligations and liabilities of the assigning party hereunder.

         7.2.  Bankruptcy:  This  Agreement may be terminated by either party if
the other  party  makes an  assignment  for the  benefit of  creditors,  files a
petition in bankruptcy, petitions or applies to any tribunal for the appointment
of a custodian,  receiver,  trustee or similar  official for it or a substantial
part of its assets,  or commences any case or proceeding  under any  bankruptcy,
reorganization,  arrangement,  readjustment of debt, 


                                       5
<PAGE>

dissolution or liquidation  law or statute of any  jurisdiction,  whether now or
hereafter in effect; or if any such petition or application is filed or any such
case or proceeding is commenced  against the other party,  in which an order for
relief is entered or which remains  undismissed  for a period of sixty (60) days
or more; or if by any act or omission the other party  indicates its consent to,
approval  of or  acquiescence  in any such  petition,  application  or a case or
proceeding or order for relief or the  appointment  of a custodian,  receiver or
any trustee or similar  official  for it or any  substantial  part of any of its
assets,  or  suffers  any  such  custodianship,   receivership,  trusteeship  or
jurisdiction  of a similar  official  to continue  undischarged  for a period of
sixty (60) days or more.

         7.3.  Avon  Independent  Contractors:  Notwithstanding  anything to the
contrary  contained  in this  Agreement,  it is  understood  that  Avon's  Sales
Representatives  are  independent  contractors who are not under Avon's control,
and  Avon  shall  not  be   responsible  in  any  way  for  any  sales  by  such
Representatives  which,  if undertaken by Avon itself,  would be in violation of
this Agreement.

         7.4.  Force  Majeure:  Neither  party  shall  be  liable  for  delay in
performance,  or  nonperformance  caused by circumstances  beyond the reasonable
control of the party affected, including, but not limited to, acts of God, fire,
floods,  acts of war or violence,  labor disputes or shortages,  plant shutdown,
governmental   actions,   or  inability  to  obtain   materials,   equipment  or
transportation.

         7.5.  Governing Law: This  Agreement  shall be deemed to have been made
and  executed in the State of New York,  and its form,  execution,  validity and
construction  shall be  determined  in  accordance  with the laws of that State,
without giving any effect to any conflict of laws provisions.

         7.6.  Modifications:  This Agreement  including the Attachments  hereto
comprise  the entire  understanding  of the parties  with respect to the subject
matter hereof, and each party agrees,  upon the request of the other, to execute
and deliver such documents and take such actions as may be reasonably  requested
in order to carry out the intent and purposes of this Agreement. No amendment to
or  modification of this Agreement shall be valid or binding upon a party hereto
unless  signed by a duly  authorized  signatory of the party claimed to be bound
thereby.

         7.7. Notices:  Any notice or request expressly  provided for under this
Agreement  shall be in  writing,  shall be given  either  manually or by mail or
facsimile,  and shall be deemed  sufficiently  given if and when received by the
party to be  notified  at its  address set forth below or, if and when mailed by
registered  mail,  postage  prepaid,  addressed  to such party at such  address.
Notices to AVON shall be addressed to:

         Avon Products, Inc.
         1251 Avenue of the Americas

                                       6
<PAGE>

         New York, New York  10020
         Attention:   Donna Edbril, Esq.

Notice to HPSI shall be addressed to:

         Chief Executive Officer
         Human Pheromone Sciences, Inc.
         3034 Clipper Court
         Fremont, California  94538

     With a Copy to:

         Heller Ehrman White & McAuliffe
         525 University Avenue
         Palo Alto, California  94301
         Attention:   Julian N. Stern

         Either  party may,  by notice to the  other,  change  its  address  for
receiving such notices and requests.

         7.8.  Publicity:  HPSI  agrees  that  it  shall  not  issue  any  press
release(s) or make any other public  statement(s)  with respect to the existence
of and/or the term and/or  conditions of this Agreement or the  relationship  of
the parties, without the prior written consent of AVON provided that, subject to
AVON's  reasonable  review and approval,  HPSI may issue any press release(s) or
other public  statements  that its legal  counsel  reasonably  determines  to be
legally advisable or is required by law or regulation.

         7.9. No Waiver:  The waiver of any breach of this  Agreement  by either
party  hereto  shall in no event  constitute  a waiver as to any future  breach,
whether similar or dissimilar in nature.

         7.10.  Partial  Invalidity:  Invalidity  of any part of this  Agreement
under  applicable  governing  law shall not  invalidate  any other part or parts
hereof which are otherwise  valid under  applicable  governing law. In the event
that any provision(s),  term(s) and/or  condition(s) herein are determined to be
invalid or partially  invalid under applicable  governing law, the parties shall
thereupon  negotiate in good faith to amend this  Agreement so as to comply with
applicable governing law.

                                       7
<PAGE>

         IN WITNESS WHEREOF,  the parties hereto have executed this Agreement as
of the day and year first set forth above.

AVON PRODUCTS, INC.                     HUMAN PHEROMONES SCIENCES, INC.
By:  _____________________________      By: _______________________________

Name: ____________________________      Name:  ____________________________

Title: ___________________________      Title: ____________________________
                                                 



                                       8
        




                                                                    Exhibit 23.1



               CONSENT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS


         We  consent  to the  incorporation  by  reference  in the  Registration
Statement  (Form  S-8  No.  33-98836)  pertaining  to the  Stock  Plan  and  the
Non-Employee  Directors' Stock Option Plan of Human Pheromone Sciences,  Inc. of
our report dated March 19, 1999,  with respect to the  financial  statements  of
Human Pheromone  Sciences,  Inc. included in the Annual Report (Form 10-KSB) for
the year ended December 31, 1998.



                                                   ERNST & YOUNG LLP


Palo Alto, California
March 25, 1999


<TABLE> <S> <C>


<ARTICLE>                     5
<LEGEND>
                  The Schedule Contains Summary Financial  Information Extracted
                  From Balance Sheets and Statements of Income
     
</LEGEND>
<CIK>                         0000878616       
<NAME>                        HPSI Corporation 
<MULTIPLIER>                  1              
       
<S>                              <C>
<PERIOD-TYPE>                    12-MOS          
<FISCAL-YEAR-END>                DEC-31-1998                     
<PERIOD-START>                   JAN-1-1998                      
<PERIOD-END>                     DEC-31-1998                     
<CASH>                                                76,696  
<SECURITIES>                                               0
<RECEIVABLES>                                      2,729,309  
<ALLOWANCES>                                        (677,735)  
<INVENTORY>                                        2,894,541  
<CURRENT-ASSETS>                                   5,136,446  
<PP&E>                                               799,867  
<DEPRECIATION>                                      (741,271)  
<TOTAL-ASSETS>                                     5,195,042  
<CURRENT-LIABILITIES>                              2,785,413  
<BONDS>                                                    0  
                                      0  
                                        2,745,535  
<COMMON>                                          17,667,024  
<OTHER-SE>                                       (18,002,930)  
<TOTAL-LIABILITY-AND-EQUITY>                       5,195,042  
<SALES>                                           10,378,717  
<TOTAL-REVENUES>                                  10,378,717  
<CGS>                                              3,358,242  
<TOTAL-COSTS>                                      3,358,242  
<OTHER-EXPENSES>                                     365,358  
<LOSS-PROVISION>                                           0  
<INTEREST-EXPENSE>                                    62,608  
<INCOME-PRETAX>                                   (2,619,661)  
<INCOME-TAX>                                               0  
<INCOME-CONTINUING>                               (2,619,661)  
<DISCONTINUED>                                             0  
<EXTRAORDINARY>                                            0  
<CHANGES>                                                  0  
<NET-INCOME>                                      (2,619,140)  
<EPS-PRIMARY>                                          (0.25)  
<EPS-DILUTED>                                          (0.25)  
                                                              
                                             



</TABLE>


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