HEMISPHERX BIOPHARMA INC
10-K/A, 1999-02-03
DRUGS, PROPRIETARIES & DRUGGISTS' SUNDRIES
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                                    FORM 10-K/A1
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

(MARK ONE)

            [X] ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE
                 SECURITIES EXCHANGE ACT OF 1934 (FEE REQUIRED)
                   For the fiscal year ended December 31, 1997

                                       OR

          [ ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE
                SECURITIES EXCHANGE ACT OF 1934 (NO FEE REQUIRED)
               For the transition period from ________ to ________
                           Commission File No. 0-27072

                           HEMISPHERX BIOPHARMA, INC.
             (Exact name of registrant as specified in its charter)

           Delaware                                         52-0845822
(State or other jurisdiction of                  (I.R.S. Employer Identification
incorporation or organization)                   Number)

1617 JFK Boulevard Phila., Pennsylvania                       19103
(Address of principal executive offices)                    (Zip Code)

Registrant's telephone number, including area code: (215) 988-0080

Securities registered pursuant to Section 12(b) of the Act:
                     None

Securities registered pursuant to Section 12(g) of the Act:
            (Title of Each Class)

                          Common Stock, $.001 par value
                         Class A Common Stock Redeemable
                                Purchase Warrant

Indicate by check mark  whether the  registrant  (1) has filed all reports to be
filed by Section 13 or 15(d) of the  Securities  and Exchange Act of 1934 during
the  preceding 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

Indicate by check mark if disclosure of delinquent  filers  pursuant to Item 405
of Regulation  S-K is not contained  herein,  and will not 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-K or any amendment to this
Form 10-K.

The aggregate  market value of Common Stock held by  non-affiliates  at December
31, 1997 was $70,090,178.  For purposes of this calculation, it was assumed that
all Common Stock is valued at the closing  price of the stock as of February 27,
1998.

      The number of shares of the  registrant's  Common Stock  outstanding as of
December 31, 1997 was 21,042,606.

                       DOCUMENTS INCORPORATED BY REFERENCE

Registrant's  definitive  Proxy  Statement which will be filed on or before June
30,  1998  with the  Securities  and  Exchange  Commission  in  connection  with
Registrant's  1998 annual meeting of  stockholders  is incorporated by reference
into  Part  III of this  Report  as well as  certain  exhibits  filed  with  the
Registrant's Registration Statement on Form S-1 (No. 33-93314).


                                       1
<PAGE>

                                     PART I

ITEM 1.  Business

General

      Hemispherx  Biopharma,  Inc.  (the  "Company")  is working to develop  the
Ampligen(R)  family of RNA drugs for the treatment of viral diseases and certain
cancers.  Ampligen,  a parental  drug  product,  is in advanced  human  clinical
development  for  various  therapeutic  indications.  Based  on the  results  of
pre-clinical studies and clinical trials, the Company believes that Ampligen may
have anti-viral and anti-cancer activities.  It has been clinically evaluated as
an  investigational  drug  in  over  350  patients  for  different   therapeutic
indications  to determine its most  promising  therapeutic  roles.  The clinical
profile that is emerging from these studies is that the drug has  broad-spectrum
antiviral and immune modulating activity and is generally well tolerated.

      The  Company's  policy  is to file or  license  patent  applications  on a
worldwide basis to protect  technology,  inventories and  improvements  that are
considered  important  to the  development  of its  business.  Over  the  years,
Hemispherx has secured a significant  patent estate consisting of 24 issued U.S.
patents and over 300  derivative  international  filings.  Fourteen U.S.  patent
filings are pending along with their international  counterparts.  These patents
primarily cover the company's technology platform that involves modified nucleic
acid polymers that have specifically configured base pairs.

      Ampligen  is  being  developed   clinically  for  use  in  treating  three
anti-viral  indications:  chronic  hepatitis B virus  ("HBV")  infection,  human
immunodeficiency    virus    ("HIV")    associated    disorders    and   myalgic
encephalomyelitis,  also known as chronic fatigue syndrome ("ME/CFS"). Also, the
Company has clinical experience with treating patients with certain cancers. The
Company's  business strategy is designed around seeking the required  regulatory
approvals which will allow the  progressive  introduction of Ampligen for ME/CFS
and HIV  followed by HBV in the U.S.,  Canada,  Europe and Japan.  Ampligen  has
received Orphan Drug designation  from the FDA for four indications  (HIV, renal
cell carcinoma,  chronic fatigue syndrome and invasive malignant melanoma).  The
Company is also  developing  a second  generation  RNA drug  technology,  termed
Oragen(TM) compounds,  which the Company believes offers the potential for broad
spectrum antiviral activity by oral administration.

      The  Company  was  incorporated  in  Maryland  in 1966  under the name HEM
Research, Inc. and originally served as a supplier of research support products.
The Company's  business was redirected in the early 1980's to the development of
nucleic acid pharmaceutical  technology and the  commercialization of RNA drugs.
The  Company  was  reincorporated  in  Delaware  and  changed  its  name  to HEM
Pharmaceuticals  Corp. in 1991 and to Hemispherx  Biopharma,  Inc. in June 1995.
The Company has three  subsidiaries  - BioPro Corp.,  BioAegean  Corp.  and Core
BioTech Corp.,  all of which were  incorporated in Delaware in 1994. The Company
has reported net profit only from 1985 through 1987. Since 1987, the Company has
incurred  substantial  operating  losses.  Prior to completing an Initial Public
Offering  ("IPO") in November 1995, the Company  financed  operations  primarily
through the private  placement of equity and debt  securities,  equipment  lease
financing, interest income and revenues from licensing and royalty agreements.

      The  development of the Company's  products has required and will continue
to  require  the   commitment   of   substantial   resources   to  complete  the
time-consuming research,  preclinical development, and clinical trials necessary
to bring pharmaceutical  products to market and establish commercial  production
and  marketing  capabilities.   Accordingly,  the  Company  may  need  to  raise
additional  funds through  additional  equity or debt  financing,  collaborative
arrangements with corporate partners,  off balance sheet financing or from other
sources in order to complete the necessary  clinical  trials and the  regulatory
approval processes and begin commercializing its products.


                                       2
<PAGE>

      In 1994 and 1995, the Company primarily focused on (i) the execution of an
agreement  with  Bioclones,  Ltd  ("Bioclones"),  a subsidiary  of South African
Breweries,  Ltd.,  with  respect to the  co-development  of  various  RNA drugs,
including  Ampligen(R)  ("Bioclones  Agreement").   Pursuant  to  the  Bioclones
Agreement,  Ribotech,  Ltd. ("Ribotech"),  was formed in 1994 to produce the raw
materials for Ampligen.  Ribotech is jointly owned by Bioclones  (75.1%) and the
Company  (24.9%);   (ii)  exploring  other  potential   partnerships  to  pursue
additional  clinical trials with special  emphasis on the ME/CFS and HBV disease
indications; (iii) restructuring and retiring certain outstanding debt; and (iv)
conducting a bridge financing and completing its IPO.

      In 1996, the Company worked with Bioclones in the establishment of a pilot
plant to  produce  the raw  materials  needed  in the  production  of  Ampligen.
Development  of this plant  establishes  a second  source of raw  materials.  In
addition,  the Company explored and established production sources and processes
to  complement  the  existing  lyophilization,   release  testing  and  pharmacy
services.  In terms of research and clinical  efforts,  the Company  established
with the FDA a  comprehensive  roadmap of research and clinical  studies.  These
studies  include  animal  toxicity and clinical  studies in HIV and ME/CFS.  The
comprehensive  animal  toxicity  studies  were  started in 1996 and the  in-life
component  was  completed  by year end  1997 in time to  support  various  other
regulatory initiatives of the Company in North America and Europe.

Significant events and achievements by the Company in 1997 include:

      o     Start of a Phase II clinical  trial in Texas  treating  HIV patients
            with Ampligen.

      o     FDA approval to recover costs from Chronic Fatigue (ME/CFS) patients
            enrolling  in  the  Company's  CFS  treatment   protocol  (the  "CFS
            Treatment" protocol).

      o     Completion of the in-life  component of the animal toxicity  studies
            requested by the FDA.

      o     Received,  accepted  and  processed  raw  materials  produced by the
            Company's South African Affiliate (Ribotech, Ltd.).

      o     Worked with Ribotech to complete and file the Drug Master File (DMF)
            with the FDA.

      o     Initiated  a new liquid  formulation  process  for  Ampligen at Cook
            Imaging. The liquid process is more efficient and allows for greater
            volume production needed to meet projected requirements.

      o     Completed private placements of equity to retire certain outstanding
            preferred stock and to provide working capital.

      The Company expects to continue its research and clinical  efforts for the
next  several  years with  significant  benefit  accruing as a result of certain
revenues  expected from various cost  recovery  treatment  programs,  notably in
Canada,  Belgium and the United  States.  However,  the Company may  continue to
incur losses over the next several years due to clinical  costs  incurred in the
continued  development of Ampligen for commercial  application.  Possible losses
may fluctuate  from quarter to quarter as a result of  differences in the timing
of  significant  expenses  incurred  and receipt of  licensing  fees and/or cost
recovery  treatment  revenues  in  Belgium,  Canada and the United  States.  The
Company is also pursuing similar programs in other countries,  especially within
the European Union where  resources have been increased with respect to pursuing
regulatory approvals.

      As part of its  research  and  development  activities,  the  Company  has
entered  into various  collaborative  and  sponsored  research  agreements  with
researchers,  universities  and government  agencies.  The Company believes that
these  agreements  provide the Company with access to physicians  and scientists
with expertise in the fields of clinical medicine,  virology, molecular biology,
biochemistry, immunology and cellular biology.


                                       3
<PAGE>

Viral/Cancer Diseases

      The  World  Health   Organization   ("WHO")   estimates   that  there  are
approximately  300 million chronic  carriers of HBV worldwide.  More than 40% of
the  persistently  infected  persons  who  survive  to  adulthood  will die from
cirrhosis,  liver cancer, or some other  consequence of their infection.  In the
U.S. alone, there are an estimated 1.25 million carriers.  HBV is one of several
viruses that cause human  hepatitis,  or inflammation of the liver.  The Company
conducted a Phase I/II clinical  trial of Ampligen in the U.S. for the treatment
of  chronic  HBV  infection  at  Stanford   University  and  the  University  of
Pennsylvania.  A significant  reduction in viral  components and  improvement in
liver  function was noted during the course of the Phase I/II clinical trial and
the drug has been generally well tolerated. At present,  interferon-alpha is the
only approved product for the treatment of this disease;  however, 60% to 75% of
patients with chronic HBV ultimately  fail to respond to  interferon-alpha.  The
global  sales of  interferon  are  presently  estimated at more than $1 billion,
largely for its use in liver infections.

      The Centers for Disease Control  ("CDC") has estimated that  approximately
one million  people in the U.S. are infected  with HIV,  excluding  patients who
have progressed to fully  symptomatic  AIDS. The WHO has estimated that 30 to 40
million people will be infected with HIV worldwide by the year 2000. The Company
is currently  conducting  a Phase II clinical  trial of Ampligen in the U.S. for
the treatment of HIV infection. Ampligen(R) is designed to enhance the patient's
own immune system,  thereby  fighting the invasive viral agent more  effectively
and resulting in more durable long term benefits.

   
         ME/CFS is a condition recently  recognized by the CDC and characterized
by unexplained  fatigue or chronic illness for six months or longer for which no
cause has been identified after a thorough medical work-up.  Although the CDC is
presently  conducting studies to more exactly determine the rate of incidence of
ME/CFS,  the CDC's latest estimate of the prevalence rate of this disease in the
U.S. is in excess of 500,000  cases.  Today,  ME/CFS  accounts for a significant
portion of people entering chronic disability status,  especially in the western
U.S. Thus, this presently  untreatable  illness constitutes a significant impact
on the overall cost of health care.  Accordingly,  the estimated U.S. market for
an effective treatment of ME/CFS is in excess of $1 billion annually.
    

      The Company also has clinical  experience  with  Ampligen in patients with
certain cancers,  including renal cell carcinoma  (kidney cancer) and metastatic
malignant melanoma.  Based on estimates prepared by the American Cancer Society,
the  Company  estimates  that  approximately  25,000  new  cases of  renal  cell
carcinoma were diagnosed in the U.S. in 1996. Based on estimates prepared by the
American  Cancer Society,  the Company  believes that  approximately  34,000 new
cases of malignant  melanoma were  diagnosed in the U.S. in 1996.  Data from the
American Cancer Society and the World Health Organization indicate that both the
incidence and mortality from malignant  melanoma are rising steadily among white
populations  throughout the world. In the past decade, the incidence of melanoma
has increased faster than that of any other cancer except lung cancer in women.

The Products

      The Company believes that nucleic acid compounds represent a potential new
class of pharmaceutical products that are designed to act at the molecular level
for the  treatment  of human  disease.  There  are two  forms of  nucleic  acid:
deoxyribonucleic  acid ("DNA") and ribonucleic  acid ("RNA").  DNA is a group of
naturally  occurring   molecules  found  in  chromosomes,   the  cell's  genetic
machinery.  RNA is a group of naturally occurring  informational molecules which
orchestrate a cell's  behavior and which regulate the action of groups of cells,
including  the cells which  comprise the body's immune  system.  RNA directs the
production  of proteins and  regulates  certain cell  activities  including  the
activation of


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<PAGE>

otherwise  dormant cellular  defenses  against viruses and tumors.  To date, the
Company   has   focused   its   efforts  on   developing   two  classes  of  RNA
pharmaceuticals;  Ampligen, a high molecular weight double-stranded  intravenous
drug, and Oragen, low molecular weight  single-stranded  drugs intended for oral
administration.

      Although  there  are  many   competitive   approaches  to  anti-viral  and
anti-cancer  therapies,  the  Company  has taken an  approach  which it believes
appears to hold a great deal of promise.  By activating  the human body's immune
system through  naturally  occurring  immune  pathways,  the Company's lead drug
compound  Ampligen is designed to avoid many of the pitfalls of other anti-viral
drugs. Moreover, the Company believes that the broad-spectrum action of Ampligen
greatly  increases the  probability  of success.  The Company has chosen markets
which are not only  sizeable and growing,  but in disease  areas for which there
are presently no known cures.

      The Company is also  developing a second  generation RNA drug  technology,
termed Oragen  compounds,  which the Company  believes  offers the potential for
broad  spectrum  antiviral  activity by oral  administration.  In  addition  the
Company has commenced  development  of certain  clinical  laboratory  diagnostic
products known as Diagen  products.  In December,  1996,  the Company  announced
receipt of Diagen Patents in ten (10) European countries.  Recently, the Company
entered a research  collaboration to seek  improvements with respect to the ease
and accuracy of diagnosing the ME/CFS disorder.

                                    Ampligen

      Ampligen  is a high  molecular  weight  RNA  drug  which  is  administered
intravenously.  Based on the  results of  clinical  trials to date,  the Company
believes  that Ampligen may have the  potential to address  significant  medical
needs where current treatment methods are inadequate or non-existent.

      The preliminary  results of the Company's  animal and human tests indicate
that  Ampligen  may  have  both   broad-spectrum   anti-viral  and   anti-cancer
activities.  To date,  Ampligen  has been  given  to over  300  patients  in the
clinical trials  authorized by the U.S. Food and Drug  Administration at over 20
clinical trial sites in the United States under  effective  Investigational  New
Drug (IND) applications.  In addition,  clinical trials are currently ongoing in
Belgium and the United States.  Ampligen clinical trials have also been approved
in Ireland and Canada.

                                  Oragen Drugs

      Oragen  drugs are low  molecular  weight RNA  compounds  which the Company
believes,  by virtue  of their  small  size and  molecular  stability,  have the
potential for becoming the first oral,  broad-spectrum  nucleic acid  treatments
for various viral diseases such as HIV infection and chronic HBV infection.  The
technology  for these  nucleic  acid  products  is  licensed  to the Company for
commercial use on an exclusive basis from Temple University,  subject to certain
limited exceptions. To date, a number of compounds have been developed.

      Initial  studies  indicated  that  these  drugs  may  withstand  enzymatic
destruction,  an  important  factor  in order for  compounds  to enter the blood
stream  in  an  intact  form.   Results  from  in  vitro  studies  conducted  in
collaboration  with the National  Institute of Allergy and  Infectious  Diseases
indicate that Oragen  products may inhibit HBV  infection,  and in vitro studies
conducted in collaboration with the National Cancer Institute and the University
of Mainz, Germany, indicate that Oragen products may inhibit HIV infections. One
compound,  Oragen 0004, has shown inhibition of HBV  multiplication in vitro and
another,  Oragen 0044, has  demonstrated  activity  against HIV in vitro studies
performed by Temple University. These two Oragen compounds have been produced in
quantities  which the Company  believes are sufficient to perform initial animal
toxicology testing.  Experiments with mice at the University of Toronto indicate
that Oragen


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<PAGE>

drugs  may  protect  against  mouse  hepatitis  virus.  There  has been no human
clinical  testing of Oragen  products to date.  There can be no  assurance  that
human clinical testing,  if initiated,  will yield results consistent with those
achieved in vitro or animal testing.

      The Company  believes  that  Oragen  drugs may exert  anti-viral  activity
through two intracellular mechanisms. First, they may activate the intracellular
"latent" RNase-L to degrade viral RNA. Second,  they inhibit the HIV replication
enzyme, reverse transcriptase, by binding to a different site on the enzyme from
that bound by conventional  anti-HIV compounds such as AZT. The Company's belief
in  the  potential  effects  of  these  compounds  is  based,  in  part,  on the
collaborative in vitro experiments  performed with the National Cancer Institute
referred  to  above.  Certain  in  vitro  experiments  performed  at  Vanderbilt
University  indicate that certain human immune cells can be protected  from cell
death caused by HIV infection by treatment with Oragen drugs.  Under sponsorship
of the National Institutes for Allergy and Infectious Diseases, in vitro studies
at Georgetown  University  also  demonstrated  that Oragen drugs may inhibit the
replication of human HBV. In each of the in vitro studies,  no substantial  cell
toxicity was observed at concentrations which inhibit the applicable virus.

      The  Company  believes  Oragen  drugs  work at a  different  stage  of the
anti-viral  and  anti-cancer  response  chain than Ampligen and therefore may be
effective  in disorders  where the activity of Ampligen is limited.  The Company
also  believes  that  Oragen  drugs can  potentially  be  engineered  to trigger
specific  responses  in  immune  cells  based  on in  vitro  tests.  Significant
additional  testing will be required in order to determine whether the Company's
beliefs  regarding Oragen drugs can be transformed into viable human therapeutic
products.

                           Diagnostic Diagen Products

      The Company is also  developing  a set of clinical  laboratory  diagnostic
products, trademarked Diagen products, that are designed to assist physicians in
identifying patients for the Company's RNA drug therapies and to assist in their
clinical  management  thereafter.  The Company believes that the availability of
such tests may lead to improved patient care and increased market penetration by
the Company's  products,  if and when such products are available for commercial
sale.  While these tests are at an early stage of  commercial  development,  the
Company   believes  that  they  may  ultimately   provide  an  opportunity   for
diversification  of the Company's products and revenues and may help to identify
patients  who could  benefit  from the  Company's  drug  treatment.  The  Diagen
products would have to go through a regulatory  process for  diagnostic  product
clearance prior to commercial sale.

Ampligen for Viral Diseases

                           Chronic Hepatitis B (HBV)

      Chronic  infection  with  hepatitis  viruses is a global health problem of
epidemic proportions,  especially in Asia and Africa.  Approximately 200 million
individuals  worldwide are estimated to be chronically infected with just one of
the hepatitis viruses,  Hepatitis B virus (HBV). In addition to the debilitating
effects of the disease itself,  patients with chronic hepatitis B are at serious
long term risk of cirrhosis  of the liver and  hepatocellular  carcinoma  (HCC),
which kill more than one million people worldwide each year.

      Currently,  the only  approved  treatment  for  Hepatitis  is  recombinant
interferon  (Asian  sales  presently  in  excess  of  $1  billion).   Interferon
apparently  has a  dramatically  reduced  effectiveness  in Asian patients and a
significant  side-effect  profile  which often  curtails the  treatment  program
prematurely,  resulting  in  disease  relapse  in  many  cases.  The  interferon
associated side-effects also include high fever and nausea.


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<PAGE>

      In the early 1990's,  Ampligen or its sister dsRNA, Polyadenur were tested
in three  separate  Phase I/II trials.  The  Ampligen(R)  study was conducted at
Stanford University and the University of Pennsylvania,  and the data indicate a
combined  response rate of approximately 60% with equal activity in both Western
and Oriental patients. Results of the three trials combined demonstrate that HBV
DNA was decreased  below the level of detection in 42% of all patients  treated,
HBeAg was cleared  from serum in 36% of  patients,  antibodies  to the E antigen
were  detected in 34% of patients,  and levels of ALT (a liver enzyme  marker of
hepatitis) were normalized in 42% of patients.

      Bioclones is to undertake a clinical  trial  treating  hepatitis  patients
with  Ampligen  in South  Africa.  This  study will  focus on the  treatment  of
patients  with  Hepatitis C (HBC) as it has become one of South  Africa's  major
health problems.

   
      Also, the Company is exploring  research  collaboration  and  distribution
relationships for the European and U.S.  markets,  and signed a letter of intent
regarding  a  novel   treatment   regimen  for  hepatitis  B  infection  with  a
French-based multinational  pharmaceutical company, Beaufour Ipsen ("Beaufour").
Beaufour   conducted  the  studies  using   polyadenur   referenced   above.  If
consummated, the agreement would provide the Company a broad technology platform
for use in the  treatment  of  Hepatitis  conditions.  The  Company  retained in
November,  1997,  regulatory  consultants to assist in preparing  regulatory and
marketing applications for the European Union.
    

                                 HIV Infection

      Five  earlier HIV clinical  studies  have been carried out with  Ampligen.
Three were open label studies that showed  stabilization  of CD4 cell count, and
return  of  delayed   hypersensitivity.   The  fourth   study  was  a  Phase  II
double-blind,  multi-center  study carried out in  combination  with  zidovudine
(AZT).  The fifth was a crossover  study where placebo  patients from the fourth
study were given Ampligen.  The latter two studies showed decreased  progression
to  AIDS,  as well  as CD4  cell  count  stabilization  and  return  of  delayed
hypersensitivity.  The  Company  believes  that the data may justify a potential
indication for combination  treatment of adult HIV patients who show clinical or
immunologic deterioration.

      In January  1997,  the Company  began a Phase II  clinical  trial in Texas
treating HIV infected  patients with Ampligen.  The trial , approved by the FDA,
is studying  the effect of Ampligen on viral load,  or burden,  in HIV  patients
with CD4  levels  over 400  cells/mm  who are not being  treated  with other HIV
medications.  The principal  investigator in the trial,  Dr.  Patricia  Salvato,
specializes in the treatment of individuals with HIV infection. Dr. Salvato is a
Clinical  Associate  Professor at the University of Texas Health Science Center,
and has  participated  in prior clinical  trials of Ampligen for various chronic
viral diseases including HIV and ME/CFS.

                                     ME/CFS

      CFS,  which is also known as  chronic  fatigue  and  immune  dysfunctional
syndrome  (CFIDS)  or  myalgic  encephalomyelitis  (ME),  is a  complex  illness
characterized by disabling fatigue,  flu-like  symptoms,  joint and muscle pain,
cognitive problems, and sleep disorders.  Its cause is unknown.  However, herpes
virus type 6 (HHV-6) has been  associated with the disease  process.  The Center
for Disease Control and Prevention (CDC) assigned ME/CFS to its priority list of
"new and  reemerging  infectious  diseases" in the United  States.  Estimates of
annual  incidences  given by the company  are 0.5 to 2.0  million  people in the
United  States  and  about  100,000  in  Canada.  There  are no  known  specific
treatments for ME/CFS.


                                       7
<PAGE>

      After an encouraging small open label trial with  Ampligen(R),  Hemispherx
carried  out a pivotal 92 patient  randomized,  placebo  controlled,  and double
blind multi-center  trial. The results after a 24-week treatment protocol showed
statistically  significant  physical  improvement for the treated group, reduced
cognitive deficit,  enhanced capacity to perform activities of daily living, and
improved performance on the treadmill tests. Significantly,  the observed median
increase in physical  performance by the end of treatment was consistent  with a
change from a patient needing considerable assistance with daily activities such
as dressing,  bathing and meal  preparation to a patient needing only occasional
assistance.  An  additional  finding  was a  reduction  in the  need  for  other
medications.  Overall,  Ampligen(R)  was generally  well tolerated and no safety
issues were noted.

      In 1997, the FDA approved a ME/CFS  treatment  protocol with cost recovery
at five  clinical  sites  across the U.S.  (Philadelphia,  PA;  Washington,  DC;
Charlotte,  NC; Houston,  TX and Incline Village,  NV). Additional sites will be
considered  for  approval  in the future.  This  treatment  protocol  allows the
Company to charge each patient for the cost of the  Ampligen(R)  used.  Ampligen
costs the patient  $2100 for the first eight  weeks of  treatment  and $2400 for
each  additional  eight  weeks of  treatment.  Other  costs to the  patient  are
associated  with drug  infusion  and medical  oversight.  The initial goal is to
enroll only the most  seriously  ill patients  and to carry out a  comprehensive
medical evaluation and reassessment after a 24-week treatment period.

      A similar  clinical program was set up in Canada at three sites (Montreal,
Vancouver  and  Edmonton)  and in  Brussels,  Belgium  under  the  direction  of
Professor  Kenny De Meirleir.  More than fifty patients have been treated at the
Belgium site.

      In connection with the ME/CFS Cost Recovery  Protocol,  the Company agreed
to conduct a confirmatory randomized, double-blind,  placebo-controlled clinical
trial with an enrollment  of up to 230 patients.  The cost of this trial will be
borne by the Company.  The Company  expects to start  enrolling  patients by mid
1998.

Ampligen for Cancer

      The Company also has clinical  experience  with  Ampligen in patients with
certain cancers,  including renal cell carcinoma  (kidney cancer) and metastatic
malignant melanoma. Renal Cell Carcinoma occurs in 15,000 to 20,000 patients per
year in the United States. Patient prognosis is usually poor. Five year survival
rates of patients  with  metastatic  disease are 2% to 18%. Some 30% of patients
have metastatic disease at the time of diagnosis.

      Chemotherapy does not have much impact on survival for metastatic  disease
patients with Renal Cell  Carcinoma.  High  (200-500mg)  and low dose (10-120mg)
Ampligen(R)  treatments  were  investigated in 20 patient and 11 patient groups,
respectively.  The high dose  group  showed a median  survival  of 20.4  months,
whereas the median survival of the low dose group was only 3.7 months.  Analysis
versus historical controls that were stratified  according to risk groups showed
that high dose Ampligen(R)  treatment overall increased medial survival about 3-
fold. The increased median survival is substantially  greater than that reported
with either  interferon or  interleukin-2,  which are  alternative  immune-based
therapies.

      A ten patient study with metastatic  malignant  melanoma patients has been
completed.  Two of nine patients  treated with high dose Ampligen(R) (=> 200 mg)
had complete  tumor  responses.  One patient has been in complete  remission for
more than five years.  Part of this study was  conducted at the cancer  research
unit of Yale University.


                                       8
<PAGE>

      Ampligen(R) has shown promise in clinical trials for the treatment of both
Renal Cell Carcinoma (Kidney Cancer) and Malignant  Melanoma (Skin Cancer).  For
the time  being,  however,  the  Company  has  chosen to focus on the  antiviral
indications of Ampligen(R).

Patents/Proprietary Rights

      The  Company  has  filed  more  than  380  patent  applications  involving
chemistry,   processes,   biological   insights  and  specific   target-oriented
compositions  of matter  worldwide  covering  its RNA  technology,  including 30
filings with the U.S. Patent  Trademark  Office and more than 350  corresponding
foreign patent applications in other countries,  such as members of the European
Patent Convention, Japan, South Korea, Australia. There can be no assurance that
the Company's patent  applications  will result in the issuance of patents.  The
Company's policy is to file patent  applications on a worldwide basis to protect
technology,  inventions,  and improvements that are considered  important to the
development  of its  business.  The Company  has, as a matter of policy,  sought
patent  protection  in each of the three major  geographic  markets:  the United
States, Europe, and the Pacific Rim. The Company also relies upon trade secrets,
know-how,  continuing  technological  innovation and licensing  opportunities to
develop and maintain its competitive  position. Of the patent applications filed
worldwide, over 300 have been issued (including 24 in the United States).

      With the patents  issued or accepted  for  issuance in the United  States,
seven  include  claims which afford patent  protection  for RNA treatment in HIV
disease;  one affords  patent  protection  for RNA  treatment  of ME/CFS and two
afford patent protection for RNA treatment/diagnosis of hepatitis infection.

      The Company  believes its treatment  use patents for Ampligen,  if granted
and upheld,  will be a critical  element to the Company's  success.  The overall
patent  estate  constitutes  a  technology   platform  to  provide   proprietary
protection across a substantial range of treating major viral disorders.

      The Company has filed  patent  applications  for  diagnostic  applications
resulting from insights and  discoveries  made by its employees and  consultants
relating to RNA nucleic acid structure and 2-5A biochemistry,  which the Company
believes may be applicable to the development and  commercialization  of various
drugs that may operate by augmentation of cellular antiviral defenses.

      The exclusive license agreement with Temple University covering the Oragen
Compounds  presently  includes  10 issued  U.S.  patents  and 30 issued  foreign
patents as well as over 30 patent applications in process.

      The  patent  positions  of  biopharmaceutical   and  biotechnology  firms,
including  the  Company,  are  generally  believed to be  uncertain  and involve
complex legal and factual  questions.  Consequently,  even though the Company is
currently  prosecuting many patent applications with the U.S. and foreign patent
offices,  the Company does not know how many of its applications  will result in
the issuance of any patents or, of patents  which are issued,  whether they will
provide   significant   proprietary   protection  or  will  be  circumvented  or
invalidated.  Since patent  applications  in the United States are maintained in
secrecy  until  patents  issue,  and since  publication  of  discoveries  in the
scientific or patent literature tend to lag behind actual discoveries by several
months,  the Company cannot be absolutely  certain that it was the first creator
of all  inventions  covered by pending  patent  applications  or that it was the
first to file patent  applications for all such inventions.  Accordingly,  there
can be no  assurance  that the  Company's  patent  applications  will  result in
patents  being  issued or that if issued  the  patents  will  afford  protection
against competitors with similar technology; nor can there be any assurance that
others will not circumvent the existing  patents or will obtain patents that the
Company would need to license.


                                       9
<PAGE>

Manufacturing/Marketing/Distribution

      All  Ampligen  production  is  supervised  and  directed at the  Company's
manufacturing  facility  located in  Rockville,  Maryland.  In 1997,  production
agreements  for  raw  materials  were  in  place  with  two  (2)  pharmaceutical
suppliers.  One  supplier is located in the United  States and one is located in
South Africa.  These critical  contract  relationships  are covered by long term
non-compete provisions as well as customary non-public disclosure terms. In each
case the product  received is tested by the Company to  determine  drug  product
compliance  with  a  set  of  technical   specifications.   Upon  meeting  these
specifications,  the raw materials are transferred to the Company's cold storage
unit for future use in producing doses.

      The  Company  has had a long  term  relationship  with  one  raw  material
producer  (Pharmacia),  which has a minor equity  interest in the  Company.  The
other raw material  producer is Ribotech,  Ltd.  ("Ribotech"),  located in South
Africa.  The Company owns a 24.9% interest and Bioclones,  Ltd. (a subsidiary of
South  African  Breweries,  Ltd) owns 75.1% of Ribotech.  Ribotech was formed in
1994 as part of the Company's  licensing/distribution  agreement with Bioclones.
During 1997,  Ribotech worked to perfect their  production of the raw materials,
Poly I and Poly C12U, needed to formulate  Ampligen (the final product).  During
the last quarter of 1997 the Company received two significantly  sized shipments
of Poly I and C12U which met all product specifications and will be processed to
increase the inventory of Ampligen(R).

      In addition,  the Company worked with Ribotech to facilitate the filing of
a Drug Master File (DMF) with the FDA for Ribotech.  This represented not only a
tremendous amount of work and effort by both companies,  but also emphasizes the
Company's  statement that Ribotech has  demonstrated to be an acceptable  source
for the most  important raw material  components of our drug  Ampligen(R).  This
provides  Hemispherx  with a key  source for  critical  supplies.  Ribotech  can
immediately  increase  the  amount of these  unique  raw  materials  that can be
available to the Company and substantially reduce the cost of these materials.

      In  1997,  the  Company  made a move to an  alternate  liquid  Ampligen(R)
formulation process at Cook Imaging at Indianapolis,  Indiana.  This formulation
process  represents  a major  increase  in  production  capability.  The present
lyophilized  product is somewhat  limited with respect to batch processing size.
The Company is conducting  liquid pilot runs in small production  batches.  Cook
and the Company plan to start full scale  production runs in June, 1998 with the
objective of producing thousands of doses per run.

      With the  increase in the size of a  production  run comes the decrease in
percent  lost of product per run and a decrease in release  testing  costs.  The
liquid product will be easier and cheaper to process.  The pharmacy  formulation
of the present lyophilized vials and its associated costs, will be eliminated.

      With  respect to the raw  materials  provided by Ribotech  (the  Company's
second source),  the Company initiated and nears completion of stability studies
of the  lyophilized  Ampligen.  At this point,  these  detailed  analytical  and
biological  studies  demonstrate the good quality of the Ribotech material and a
satisfactory shelf life of the final product.

      The Company  initiated a comprehensive  stability study on the alternative
liquid Ampligen formulation and several months of data have been accumulated and
are being analyzed. Results to date are good and the stability studies should be
finalized in 1998.

      The  Company's  marketing  strategy  reflects  the  differing  health care
systems around the world, and the different  marketing and distribution  systems
that are used to supply pharmaceutical  products to those systems. In the United
States,  the Company  expects that,  subject to receipt of regulatory  approval,
Ampligen


                                       10
<PAGE>

will be used in three  medical  arenas:  physicians'  offices  or  clinics,  the
hospital  and the home  setting.  The Company  currently  plans to use a service
provider  in the home  infusion  (non-hospital)  segment  of the U.S.  market to
execute direct marketing  activities,  conduct physical  distribution of product
and handle  billings and  collections.  Accordingly,  the Company is  developing
marketing plans to facilitate the product  distribution  and medical support for
indications,  if and when they are approved, in each arena. The Company believes
that this approach will facilitate the generation of revenues without  incurring
the substantial  costs  associated with a sales force.  Furthermore,  management
believes  that the  approach  will enable the Company to retain many options for
future  marketing  strategies.  In February  1998, the Company and Olsten Health
Services  ("Olsten")  entered into a  distribution/specialty  agreement  for the
distribution of Ampligen(R) for the treatment of ME/CFS patients under treatment
protocols.

      In Europe, the Company plans to adopt a country-by-country and, in certain
cases, an  indication-by-indication  marketing strategy due to the heterogeneity
of governmental regulations and alternative distribution systems in these areas.
The Company also plans to adopt an  indication-by-indication  strategy in Japan.
Subject to receipt of regulatory  approval,  the Company plans to seek strategic
partnering  arrangements  with  pharmaceutical  companies to facilitate  product
introductions  in  these  areas.  No  assurances  can be  given  that  any  such
arrangement  will be  entered  into on  terms  acceptable  to the  Company.  The
relative  prevalence of people  suffering from target  indications  for Ampligen
varies significantly by geographic region, and the Company intends to adjust its
clinical and marketing  planning to reflect the special needs of each area.  The
Company does not  currently  anticipate  devoting  significant  resources to the
establishment of an in-house sales force in the near term. In countries in South
America, the United Kingdom, Ireland, Africa, Australia,  Tasmania, New Zealand,
and certain other countries and territories,  the Company contemplates marketing
its product through its  relationship  with Bioclones  pursuant to the Bioclones
Agreement.

Financing

      The  development of the Company's  products has required and will continue
to require the commitment of substantial resources to conduct the time-consuming
research,  preclinical  development,  and clinical  trials that are necessary to
bring  pharmaceutical  products  to  market  and  to  establish  commercial-sale
production  and marketing  capabilities.  During the Company's last three fiscal
years,  the Company  has spent  approximately  $6.1  million  for  research  and
development,  of which $3.2 million was expended in the year ended  December 31,
1997.

      Based on its current operating plan, the Company  anticipates that the net
cash and cash equivalents on hand of $9.9 million, together with the anticipated
receipt of limited revenues from the cost recovery protocols, will be sufficient
to meet the Company's capital requirements  through 1998. However,  this may not
be sufficient to enable the Company to complete the necessary clinical trials or
regulatory  approval  process for  Ampligen for any  indication  or, if any such
approval  were  obtained,  to begin  manufacturing  or  marketing  Ampligen on a
commercial  basis. The amount of additional  funding required will depend on the
timing of regulatory approval and commercialization of Ampligen(R).

      Accordingly,  the Company may need to raise  substantial  additional funds
through  additional  equity or debt financing,  collaborative  arrangements with
corporate  partners,  off balance sheet financing or from other sources in order
to complete the necessary clinical trials and the regulatory  approval processes
and begin commercializing its products. If adequate funds are not available from
operations  and if the  Company  is not able to  secure  additional  sources  of
financing  on  acceptable  terms,  the  Company's  business  will be  materially
adversely affected.


                                       11
<PAGE>

      In October 1997,  the Company  raised an aggregate of $10,005,000 in gross
proceeds  through  two  private  offerings  pursuant  to  Regulation  D  of  the
Securities Act of 1933, as amended ("Act"), and Rule 506 promulgated thereunder.
All investors  represented that they were accredited pursuant to Rule 501 of the
Act.  The Company  intends to use the  proceeds  from the  offering  for general
working  capital  and  operating  funds  and to  advance  its  various  clinical
initiatives, including build-up of inventory and streamlining various aspects of
the overall manufacturing process.

      In October 1997, the Company's Common Stock and Class A Warrants commenced
trading on the American  Stock  Exchange and  simultaneously  were delisted from
NASDAQ  Smallcap  Market.  The  securities had traded on NASDAQ since the IPO in
November, 1995.

      In March,  1997,  The Company  sold 5,000  shares of Series E  Convertible
Preferred Stock at $1,000 per share in a private offering pursuant to Regulation
D of  the  Securities  Act  of  1933,  as  amended,  and  Rule  506  promulgated
thereunder.  The proceeds of this placement were used to retire all  outstanding
shares of Series D Convertible Preferred Stock. The Series D Preferred Stock had
been issued  pursuant to a Regulation D filing with the SEC in 1996. As a result
of this  transaction in 1997,  the Company  incurred a $1.2 million charge which
had no effect on total  stockholders'  equity as it was offset by an increase in
additional  paid-in  capital.  As of December  31,  1997,  five holders of 1,350
shares of series E preferred  stock have  elected to convert  their  shares into
675,000 shares of common stock.

Research and Development/Collaborative Agreements

      As an  emerging  pharmaceutical  company,  Hemispherx  depends  heavily on
accessing external resources for manufacturing,  distribution,  and R&D. Current
alliances  include  relationships  with Bioclones,  Pharmacia-Upjohn,  Hahnemann
University (now a branch of Allegheny University of the Health Sciences), Temple
University  and Olsten  Health  Care. A new  alliance is being  negotiated  with
Beaufour  Ipsen.  R&D  sponsorships  or  collaborations  already exist with many
academic institutions.

      The Bioclones Agreement,  made in October 1994, involves the international
co-development of Ampligen(R) and related RNA therapeutics. Hemispherx has given
Bioclones an exclusive  manufacturing  and marketing  license for Africa,  South
America,  the United  Kingdom,  Ireland,  Australia,  Tasmania,  New Zealand and
Southern Asian countries. In return, Bioclones has provided Hemispherx with a $3
million cash  payment,  24.9%  ownership in Ribotech,  Ltd., a company set up by
Bioclones to develop and manufacture RNA drugs,  and royalties (8%) of Bioclones
RNA drug sales in the licensed  territories.  Bioclones  will pursue  regulatory
approval in the licensed territories and will specifically carry out, at its own
expense,  a phase III hepatitis  clinical  trial in South Africa and  Australia.
Bioclones  has the first right of refusal  (subject to  appropriate  pricing) to
manufacture at least  one-third of the worldwide  sales  requirement of Ampligen
and other RNA drugs. The arrangement with Bioclones thus gives Hemispherx access
to   worldwide   markets   and   commercial-scale    manufacturing    resources.
Significantly, Bioclones has the financial backing from South African Breweries,
the largest company in the Southern Hemisphere, with multi-billion dollar sales.

      The  Company  has had an R&D  agreement  since  1989  with  the  Hahnemann
University Hospital,  now known as the Allegheny University  Hospitals-Hahnemann
Division and has access to a scientist  group for ongoing R&D on RNA drugs.  Dr.
David Strayer,  the current Medical Director at Hemispherx,  is a member of this
group.  Hemispherx provides the salary of Dr. Strayer and corresponding stipends
for other scientist group members as needed.  Hemispherx also retains  exclusive
proprietary and regulatory rights to all existing and future RNA drug technology
developed by the scientist group.  Hemispherx is obligated to pay Hahnemann a 2%
royalty on net Ampligen(R) sales up to $6 million/year until 2005.


                                       12
<PAGE>

      A similar  relationship  exists between  Hemispherx and Temple  University
focused on the development of oral drugs that directly  activate RNase L (Oragen
Products).  Hemispherx has an exclusive worldwide license from Temple University
for the Oragen  Products.  Hemispherx  is  obligated to pay 2 to 4% royalties on
sales of Oragen Products  depending on the need to access non-Temple  University
proprietary  technology  for  the  sale of the  product.  Minimum  royalties  of
$30,000/year  commenced  in 1995.  Research  support may also be provided by Dr.
Robert  J.  Suhadolnik,   a  Temple  University  medical  scientist,  who  is  a
co-inventor of the Oragen technology.  In July 1994, Temple University  declared
that the agreement was  terminated  because of breach of contract by Hemispherx.
This led to  litigation  between the parties  that was settled in December  1996
with Hemispherx retaining all license rights on an exclusive basis.

      Hemispherx has set up research  sponsorships and collaborations  with many
academic  scientists.  A research sponsorship involves a specific R&D project or
clinical   activity   for   which   Hemispherx   provides   financial   support.
Collaborations  involve external clinical studies where Hemispherx provides drug
materials  free  of  charge.  No  additional   financial  support  is  provided.
Hemispherx  retains all proprietary  rights for both research  sponsorships  and
collaborations.  More than 15 such  arrangements have been made with prestigious
institutions  such as Harvard  University,  Stanford  University,  the  National
Cancer Institute,  Yale University Medical School and a variety of international
groups.  Hemispherx will continue to depend on such  relationships to secure R&D
support.

      The Company  signed a letter of intent  with  Beaufour to form a strategic
alliance  focused on the  treatment  of  chronic  active  hepatitis  B and other
hepatitis  disorders.  The terms of the prospective  Beaufour  alliance may give
Beaufour primary responsibility for the European market.  Hemispherx will retain
the corresponding  responsibility  for the North American market,  and Bioclones
will continue to focus on the Southern Hemisphere including the southern Pacific
rim  countries.  The cash flow from each  geographic  area may be split with the
dominant  portion going to the responsible  partner and a minority portion going
to  the  other  partner.  The  responsible  partner  may  assume  marketing  and
manufacturing  costs.  In  addition,  Beaufour  may be expected to invest in the
Company by providing  medical staff support and/or purchasing drug supplies from
the Company.

      Beaufour  has a Polyadenur  manufacturing  facility in France that has the
annual capacity to provide 60-100 kilograms of product.  This will supply enough
material for about 5,000 patients, should the same dosage level and regimen used
for ME/CFS be assumed. The chronic active HBV patient population in the U.S. has
been  estimated  at  375,000  and  greater  than  500,000  in  Europe  based  on
demographics.  The infection rate in Asia is much higher,  and more patients are
resistant to Intron(R) A. Consequently, the need for additional capacity will be
substantial   should  Polyadenur  perform  as  predicted  from  clinical  trials
completed to date and the Compound receives  regulatory  approval.  The Ribotech
facility  may be the first  major  site to expand  production  to  support  this
compound.

      Any  strategic  alliance  with  Beaufour  would  be  expected  to  conduct
additional  pivotal  trials in Europe  and North  America  to  support  European
regulatory  filing and possible drug  combination  approvals.  An approval for a
drug  combination  that may  raise the cure rate  above  50%  could  have  major
financial  consequences.  Intron(R)  A  generates  revenues  of more  than  $500
million, even though the cure rate from Intron(R) A is 40% at best.

      The Company has  recently  entered an  agreement  with Olsten  Health Care
("Olsten") to provide  marketing and  distribution  services of  Ampligen(R)  to
ME/CFS   patients.   Olsten  will  formulate  and  administer  the   Ampligen(R)
intravenous  infusion  product  used for the  ongoing  treatment  cost  recovery
protocol.  Basically, the Company will supply Ampligen and Olsten will formulate
and administer the  intravenous  product using its own facilities and personnel.
In addition,  the  agreement  provides for  additional  functions by Olsten with
respect


                                       13
<PAGE>

to clinical  monitoring  of patients,  physical/patient  training and  financial
support  of  ongoing  ME/CFS  clinical  testing.  Olsten  is one of the  largest
national firms providing infusion,  clinic and related health care services.  It
had almost $4 billion  revenues in 1996,  and was  responsible  for  delivery of
certain   components  of  overall  health  care  to  approximately  2.2  million
individuals.

Competition

      Competition  in the  development  and marketing of  therapeutic  drugs for
human  diseases is intense.  Many different  approaches are being  developed for
management of the diseases targeted by the Company. In addition to drug therapy,
companies are promoting  biological  and hormonal  therapies,  prophylactic  and
therapeutic  vaccines and surgery.  These approaches,  however, may have limited
utility and some are often associated with toxicity,  including life-threatening
side-effects.

      Most FDA-approved  anti-viral drugs appear to directly inhibit the viruses
by  interfering  with their  replication  (so-called  reverse  transcriptase  or
protease  inhibitors).  Their  mechanisms of action do not seem to stimulate the
production  of immune  cells to attack or scavenge the  disease-causing  agents.
Interferon  therapy does act by an immune mechanism and has been approved by the
FDA for the treatment of chronic HBV; durable effects, however, are seen in only
a minority of treated subjects and the side-effects are substantial.  Interferon
has thus far not been  demonstrated  to be  efficacious  in HIV,  ME/CFS and the
primary  tumors (other than melanoma) and  indications  targeted by the Company.
The  newer  anti-HIV  drugs  may  reduce  the  level  of HIV in  the  plasma  by
approximately 99%; however, the dramatic effects may often be transitory.

      Below is a list of certain  compounds  which appear  directly  competitive
with the Company's products:

      HIV Infection. The principal treatments for HIV are AZT, DDI, DDC, D4T and
3TC. A group of newer compounds, termed protease inhibitors,  share the problems
of rapid  viral  mutation,  multi-drug  resistance,  etc.,  but may cause a more
dramatic  transient drop in amount of HIV present in the blood stream. No immune
based  drugs have been  approved  to date,  and there is a paucity  of  clinical
developmental research on vaccines due to the problem of rapid viral mutations.

      HBV.  Treatments include  interferon-alpha,  thymosin,  ribavirin and 3TC.
Only interferon alpha has proven effective in rigorous  clinical tests, and less
than 20% of patients have a durable  response.  Also,  interferon's side effects
are  substantial  and  may  curtail  patient  use and  physician  acceptability,
particularly in the major Asian markets.

      ME/CFS.  The FDA has not approved any drugs specifically for this disorder
and  the  Company's  product  is the  only  drug to  date  with an FDA  approved
treatment protocol and phase III clinical status. Physicians typically prescribe
analgesics, psychotropic, and anti-inflammatory drugs to combat and palliate the
symptoms  without  addressing  the underlying  immunologic  damage or the herpes
virus proliferation.

      Renal Cell  Carcinoma.  Interleukin  2 may be an extremely  toxic  product
often  requiring  immediate  access to a critical care unit if used according to
manufacturer's recommendations.

      Malignant  Melanoma.  Interferon  alpha was recently  approved by the FDA;
however,  the percentage of responses is small, and a significant  percentage of
relapses are expected.  Treatment costs with interferon often exceed $10,000 per
year.


                                       14
<PAGE>

      There are several  publicly held  companies that place emphasis on nucleic
acid technology. Some are outlined below from publicly available documents filed
with the Securities and Exchange Commission.

      Gilead Sciences,  Inc. (Foster City, California;  GILD/NASDAQ).  Gilead is
developing  nucleotide  technologies  and is pursuing  pre-clinical and clinical
development of a number of product candidates.

      ISIS  Pharmaceuticals,  Inc.  (Carlsbad,  California;  ISIS/NASDAQ).  This
company,  founded in 1989,  has devoted  substantially  all of its  resources to
research,  drug discovery and development programs. In July, 1995, ISIS 2922 was
in Phase III clinical  trials to treat  CMV-induces  retinitis in AIDS patients,
ISIS  2105 was in Phase II trials to treat  genital  warts,  and Phase II trials
were planned for ISIS 2302 for treatment of a variety of inflammatory diseases.

      The Company  anticipates  that it may face  increased  competition  in the
future as new  products  enter  the  market  and  advanced  technologies  become
available.  There can be no  assurance  that  existing  products or new products
developed by the Company's  competitors will not be more effective than any that
may be developed by the Company.  Competitive  products may render the Company's
technology  and  products  obsolete  or  noncompetitive  prior to the  Company's
recovering  research,  development or  commercialization  expenses incurred with
respect to any such products.

      Many of the Company's existing or potential competitors have substantially
greater financial,  technical and human resources than the Company. In addition,
many of these competitors have significantly greater experience than the Company
in undertaking  research,  preclinical  studies and human clinical trials of new
pharmaceutical  products,  obtaining  FDA and other  regulatory  approvals,  and
manufacturing   and  marketing   such  products.   Accordingly,   the  Company's
competitors  may succeed in  commercializing  the products  more rapidly or more
effectively than the Company.

Subsidiary Companies

      In  September   1994,   the  Company   incorporated   three   wholly-owned
subsidiaries--BioPro Corp. ("BioPro"),  Core BioTech Corp. ("Core BioTech"), and
BioAegean Corp. ("BioAegean")--in the State of Delaware.

      The purpose of BioPro is to commercialize tobacco-related products. BioPro
intends to develop methods to utilize RNA technology in conjunction with certain
tobacco and cigarette filter products to provide cleaner tobacco  products.  The
technology  is based in part on recently  published  experiments  in  laboratory
animals conducted at the University of California, Davis, which suggest that the
Company's RNA drugs may prevent  certain  aspects of lung fibrosis under certain
experimental  conditions.  In September,  1994, the Company granted an exclusive
worldwide  license  and/or  sub-license  to certain of its patents and  assigned
certain other  patents to BioPro (the "BioPro  License ") for a term of 15 years
in the event that BioPro  provides  evidence that it has  commercialized  one or
more of the  patents.  BioPro has agreed that it will not develop any product or
technology  which may be deemed a human  therapeutic  and has granted a right of
first refusal to the Company with respect to any technology which it may develop
or acquire. BioPro has the right to grant sublicenses subject to the requirement
that its sublicensees  agree to  non-competition  arrangements with the Company.
The Company has agreed  that it will not develop any  technology  related to the
business of BioPro and has granted  BioPro a right of first refusal with respect
to any technology it may develop with respect to the business of BioPro.

      The purpose of Core BioTech is to commercialize  the Company's  diagnostic
oriented  patents which provide RNA  technology to detect  certain  difficult to
diagnose viral diseases such as ME/CFS and other immuno-dysfunctional conditions


                                       15
<PAGE>

through  strategically  located central  reference  laboratories.  In September,
1994, the Company granted an exclusive  worldwide license and/or  sub-license to
certain of its patents and assigned  certain  other patents to Core BioTech (the
"Core  BioTech  License")  for a term of 15 years in the event that Core BioTech
provides evidence that it has  commercialized  one or more of the patents.  Core
BioTech has agreed that it will not develop any product or technology  which may
be deemed  therapeutic  and has granted a right of first  refusal to the Company
with respect to any technology which it may develop or acquire. Core BioTech has
the right to grant sublicenses  subject to the requirement that its sublicensees
agree to non-competition  arrangements with the Company.  The Company has agreed
that it will not develop any technology  related to the business of Core BioTech
and has  granted  Core  BioTech a right of first  refusal  with  respect  to any
technology it may develop with respect to the business of Core BioTech.

Government Regulation

      Regulation by governmental  authorities in the U.S. and foreign  countries
is and will be a  significant  factor in the  manufacture  and  marketing of the
Company's proposed products and in its ongoing research and product  development
activities.  Most of the Company's proposed products and products of its ongoing
research and product development  activities will require regulatory  clearances
prior to commercialization.  In particular,  human new drug products are subject
to rigorous preclinical and clinical testing as a condition of clearances by the
FDA and by similar  authorities  in foreign  countries.  The lengthy  process of
seeking these  approvals,  and the ongoing process of compliance with applicable
statutes  and  regulations,  has  required  and will  continue  to  require  the
expenditure  of  substantial  resources.  Any  failure  by  the  Company  or its
collaborators  or licensees  to obtain,  or any delay in  obtaining,  regulatory
approvals  could  materially  adversely  affect the  marketing  of any  products
developed by the Company and its ability to receive product or royalty revenue.

      The  Company is also  subject to various  federal,  state and local  laws,
regulations  and  recommendations  relating  to such  matters  as  safe  working
conditions,  laboratory and  manufacturing  practices,  the  experimental use of
animals  and the use of and  disposal  of  hazardous  or  potentially  hazardous
substances,  including radioactive compounds and infectious disease agents, used
in connection  with the Company's  research work. The Company  believes that its
Rockville,  Maryland manufacturing and quality assurance/control  facility is in
substantial  compliance  with  all  material  regulations  applicable  to  these
activities.

Employees

      As of February 28, 1998 the Company had 17 full-time  employees.  Of these
employees 12 are engaged in the Company's research, development,  manufacturing,
regulatory affairs or pre-clinical  testing,  and 5 employees  performed general
management and administrative functions including financial matters and investor
relations.  In  addition,  on an as needed basis eight  individuals  employed at
academic  institutions  serve as consultants  or independent  contractors to the
Company.  Such  persons  are paid  pursuant  to  licensing  agreements  with two
universities.  There are 29 additional  individuals  who serve or have served as
part-time consultants or independent contractors to the Company on a per diem or
monthly basis. The Company believes that this employee and consultant  structure
and  arrangement   provides  the  most  efficient   economic  approach  to  drug
development.   The  Company  has  been  successful  in  attracting  skilled  and
experienced  scientific  personnel;  however,  competition for such personnel is
intense and there can be no  assurance  that the Company will be able to attract
and retain necessary  qualified employees and/or consultants in the future. None
of the Company's employees are covered by collective bargaining agreements.


                                       16
<PAGE>

Recent Developments

      In  February  1998,  the  Company  entered  into a  distribution/specialty
agreement  with Kimberly Home Health Care,  Inc.  a/k/a Olsten Health  Services.
This  agreement  appoints  Olsten as  distributor  of Ampligen to U.S.  patients
enrolled in the ME/CFS cost recovery  treatment  protocol termed AMP 511. Olsten
agrees to purchase  Ampligen  for treating  the AMP 511  patients.  In addition,
Olsten agrees to provide  financial  support for certain  clinical  trials.  The
Company agrees to compensate Olsten for providing certain services in connection
with clinical trials.

      As of December 31, 1997,  Ribotech,  Ltd. located in the Republic of South
Africa and jointly owned by the Company  (24.1%) and by our affiliate  Bioclones
(75.1%),  continued production of raw materials, Poly I and Poly C12U, needed to
formulate Ampligen (the final product).  During the fourth quarter,  the Company
received  two  significantly  sized  shipments  of Poly I and C12U which met all
product  specifications  and will be  processed  for use in  conducting  certain
production runs utilizing the liquid product process. The initial liquid product
runs will be  utilized  in  various in vitro  tests for  stability  and  product
bioperformance.  Based on the results of these tests,  the liquid product may be
evaluated in clinical settings.


                                       17
<PAGE>

Executive Officers

      The  executive  officers of the  Company,  whose terms will expire at such
time as their successors are elected, are as follows:

<TABLE>
<CAPTION>
Name                                 Age       Position                        Background
- -------------------------------------------------------------------------------------------------------------------
<S>                                  <C>       <C>                             <C>
William A. Carter, M.D., FACP        60        Chairman, Chief                 HEM Pharmaceuticals Corp. (the
                                               Executive Officer,              predecessor company) since 1978.
                                               President                       Co-inventor of record on more
                                                                               than 200 patents.  A leading
                                                                               innovator in the development of
                                                                               human interferon for a variety of
                                                                               treatment indications.  Research
                                                                               Development Awardee of NIH

Robert E. Peterson                   60        Chief Financial                 Vice President of Omni Group,
                                               Officer                         Inc. (business consulting).
                                                                               Formerly VP and CFO of several
                                                                               major Pepsico Divisions.

David R. Strayer, M.D.               52        Medical Director,               Professor of Medicine at
                                               Regulatory Affairs              Allegheny University of the
                                                                               Health Sciences.  Formerly
                                                                               Research Associate at NIH.

Carol A. Smith, Ph.D.                46        Director,                       Virotech International, Inc.,
                                               Manufacturing and               '89-91, Scientist/Quality
                                               Process                         Assurance Officer.
                                               Development

Josephine M. Dolhancryk              35        Treasurer,                      Medical/Business Enterprises,
                                               Assistant                       '89-90, President
                                               Secretary

Richard Piani                        71        Director                        Principal Delegate for Industry
                                                                               to the City of Science and
                                                                               Industry, Paris, France, a
                                                                               scientific and educational
                                                                               complex since 1995.  Chairman of
                                                                               Industrielle du Batiment-Morin, a
                                                                               building materials corporation,
                                                                               from 1986-1993.  Professor of
                                                                               International Strategy at Paris
                                                                               Dauphine University from 1984-
                                                                               1994.  Law degree from Facilite
                                                                               de Droit, Paris Sorbonne.
                                                                               Administration degree from Ecols
                                                                               des Hautes Etudes Commerciales,
                                                                               Paris.

Harris Freedman                      64        Vice President for              Business consultant for emerging
                                               Strategic                       technology companies and private
                                               Alliances                       venture capitalist.

Sharon Will                          39        Vice President,                 Registered sales representative,
                                               Corporate                       Worldwide Marketing Inc. (a
                                               Communications                  manufacturer's representative),
                                                                               private venture capitalist.

Ransom Etheridge                     58        Director                        Corporate Counsel (In-house)
</TABLE>


                                       18
<PAGE>

ITEM 2.  Properties

      The Company  leases and occupies a total of  approximately  18,850  square
feet of laboratory and office space in two states. The corporate headquarters in
Philadelphia,  Pennsylvania  are located in a suite of offices of  approximately
15,000  square feet.  The  pharmacy,  packaging,  quality  assurance and quality
control  laboratories,  as well as  additional  office  space,  are  located  in
Rockville,  Maryland.  These facilities occupy  approximately 3,850 square feet,
approximately  2,000 of which are dedicated to the packaging and quality control
product release  functions.  The Company believes that its Rockville  facilities
will  meet its  production  requirements,  including  sufficient  quantities  of
Ampligen for planned clinical trials and treatment  protocols,  through 1998, at
which time it may need to increase its  manufacturing  capacity  either  through
third parties or by building or acquiring commercial-scale facilities.

   
      In addition,  the Company has entered into the Bioclones Agreement,  which
provides  the  Company  with 24.9 % of the  capital  stock of  Ribotech,  Ltd to
develop and operate a new manufacturing facility which is financed by Bioclones.
Manufacturing at the pilot facility  commenced in 1996. The Company expects that
Ribotech will start construction on a new commercial production facility in late
1998,  although no assurance can be given that this will occur.  The Company has
no obligation to fund this construction.
    

ITEM 3.  Legal Proceedings

      The  Company  is subject  to claims  and legal  actions  that arise in the
ordinary  course  of their  business.  Management  believes  that  the  ultimate
liability,  if any, with respect to these claims and legal actions will not have
a material  effect on the  financial  position or results of  operations  of the
Company.

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

      None.

                                    PART II

ITEM 5.  Market for Registrant's Common Equity and Related Stockholder Matters

      On November 2, 1995 the Company's Units (Consisting of one share of Common
Stock and one Class A  Redeemable  Warrant)  commenced  trading on the  National
Association of Securities Dealers Automated Quotation Smallcap Market ("NASDAQ")
under the symbol "HEMXU." In July,  1996, the Company  unbundled its public Unit
allowing  the  Common  Stock  (HEMX)  the Class A Warrant  (HEMXW)  and the Unit
(HEMXU) to trade  separately.  In August 1996 the Company  authorized  NASDAQ to
delist the Unit (HEMXU) and cease trading it.

      In  October,  1997,  the  Company's  Common  Stock  and  Class A  Warrants
commenced  trading on the  American  Stock  Exchange  under the  symbols HEB and
HEB/ws, respectively. Simultaneously these securities were delisted from NASDAQ.
The securities had traded on NASDAQ since the IPO in November, 1995.


                                       19
<PAGE>

      The following  table sets forth the high and low list prices for the Unit,
the Common  Stock and the  Warrant  for the  periods  indicated  as  reported by
NASDAQ.  Such  prices  reflect  inter-dealer  prices,   without  retail  markup,
mark-down or commissions and may not necessarily  represent actual transactions.
Beginning  October 1997,  the table  reflects the high and low trading prices as
reported by the American Stock Exchange.

                                               High                 Low
                                             --------             --------
COMMON STOCK

         Time Period:

January 1, 1997 through
March 31, 1997                                3 9/16               1 25/32

April 1, 1997 through
June 30, 1997                                 4 5/32               2 15/32

July 1, 1997 through
September 30, 1997                             5 1/8                2 1/2

October 1, 1997 through
December 31, 1997                              5 1/2               3 9/16

WARRANTS

         Time Period:

January 1, 1997 through
March 31, 1997                                 1 1/8                 1/2

April 1, 1997 through
June 30, 1997                                 1 7/16                13/16

July 1, 1997 through
September 30, 1997                               2                  29/32

October 1, 1997 through
December 31, 1997                             2 5/16               1 1/16

      As of December 31, 1997 there were  approximately 329 holders of record of
the Company's Common Stock.  This number was determined from records  maintained
by the Company's  transfer agent and does not include  beneficial  owners of the
Company's  securities  whose securities are held in the names of various dealers
and/or clearing agencies.

      As of December 31, 1997, the Company had  approximately  6,775,000 Class A
Redeemable Warrants registered and outstanding.

      The  Company  has never  paid any  dividends  on its Common  Stock.  It is
management's  intention not to declare or pay dividends on the Common Stock, but
to retain  earnings,  if any, for the  operation  and expansion of the Company's
business.


                                       20
<PAGE>

ITEM 6.  Selected Financial Data

<TABLE>
<CAPTION>
Year Ended December 31              1993           1994            1995            1996            1997
<S>                            <C>             <C>             <C>             <C>             <C>         
Statement of Operations
Data
  Net revenues                 $     48,000    $    175,758    $  2,965,910    $     32,044    $    258,715
  Net loss                       (7,702,050)     (5,133,051)     (1,839,849)     (4,554,489)     (6,106,860)
  Cash used in operating
    activities                   (5,170,638)     (1,952,145)     (1,939,219)     (6,097,906)     (4,641,611)
  Capital expenditures              (40,000)         (3,625)        (86,480)        (15,477)
Balance Sheet
    Total Assets                  1,915,681       1,651,441      12,699,518       6,999,384      11,542,633
    Total Debt                    7,700,000       8,470,910       4,920,000            --              --
  Redeemable Preferred
    Stock                         2,865,782       3,238,334            --              --              --
  Common Stockholders
    Equity (deficit)            (11,579,156)    (14,629,687)      4,420,785       5,852,994      10,745,422
   
Net loss per share(1):
  Basic                                --             (0.44)          (0.18)          (0.29)          (0.35)
  Diluted                              --             (0.44)          (0.18)          (0.29)          (0.35)
Shares used in computing net
  loss per share(1):
  Basic                           6,998,072      11,536,276      10,341,163      15,718,136      17,275,994
  Diluted                         6,998,072      11,536,276      10,341,163      15,718,136      17,275,994

(1) See Note 2g of Notes to Consolidated Financial Statement(s)
    
</TABLE>

ITEM 7. Management's  Discussion and Analysis of Financial Condition and Results
        of Operations

      The  following   discussion   should  be  read  in  conjunction  with  the
consolidated financial statements and notes thereto, which are included herein.

Background

      The  Company  was  incorporated  in  Maryland  in 1966  under the name HEM
Research, Inc. and originally served as a supplier of research support products.
The Company's  business was redirected in the early 1980's to the development of
nucleic acid pharmaceutical  technology and the  commercialization of RNA drugs.
The  Company  was  reincorporated  in  Delaware  and  changed  its  name  to HEM
Pharmaceuticals  Corp. in 1991 and to Hemispherx  BioPharma,  Inc. in June 1995.
The Company  has three  subsidiaries--BioPro  Corp.,  BioAegean  Corp.  and Core
BioTech Corp.,  all of which were  incorporated in Delaware in 1994. The Company
has reported net income only from 1985 through 1987. Since 1987, the Company has
incurred  substantial  operating  losses.  Prior to completing an Initial Public
Offering  (IPO) in November  1995,  the Company  financed  operations  primarily
through the private  placement of equity and debt  securities,  equipment  lease
financing, interest income and revenues from licensing and royalty agreements.


                                       21
<PAGE>

      The IPO completed in November 1995 produced net proceeds of  approximately
$16,000,000.  These  funds  plus the  conversion  of  $3,447,000  in  Redeemable
Preferred Stock to equity improved stockholders equity by some $19,000,000.  The
cash  proceeds  from the IPO was used to retire debt and other  liabilities  and
establish a fund for future operations.

      The  development of the Company's  products has required and will continue
to require the commitment of substantial resources to conduct the time-consuming
research,  preclinical  development,  and  clinical  trials  necessary  to bring
pharmaceutical  products  to market  and  establish  commercial  production  and
marketing  capabilities.  Accordingly,  the Company may need to raise additional
funds through  additional equity or debt financing,  collaborative  arrangements
with corporate  partners,  off balance sheet  financing or from other sources in
order to complete the  necessary  clinical  trials and the  regulatory  approval
processes and begin commercializing its products.

      The consolidated  financial statements include the financial statements of
Hemispherx  BioPharma,  Inc.  and its three  wholly-owned  subsidiaries,  BioPro
Corp.,  BioAegean  Corp.  and Core  BioTech  Corp.  which were  incorporated  in
September  1994 for the purpose of developing  technology for ultimate sale into
certain   nonpharmaceutical   specialty   consumer   markets.   All  significant
intercompany balances and transactions have been eliminated in consolidation.

      During  fiscal  1994 and 1995,  the  Company  focused on  negotiating  and
executing the Bioclones  Agreement,  exploring potential  partnerships to pursue
additional  clinical trials with special emphasis on the HBV disease indication,
restructuring  certain of its outstanding debt,  conducting bridge financing and
completing its IPO. In 1996, the Company  reviewed and restructured the Ampligen
manufacturing process. Second sources were established to procure raw materials,
lyophilization  services  and  release  testing.  In the areas of  research  and
clinical efforts, the Company established with the FDA a roadmap of research and
clinical  studies to be completed . These studies  include  animal  toxicity and
clinical  studies in HIV and ME/CFS.  One HIV clinical study was approved by the
FDA and  started  in late  1996.  Certain  animal  toxicity  studies  began.  In
addition, the Company shipped the initial inventory of Ampligen to Canada to use
in its cost recovery program there.

      In  1997,  the  Company  added   preclinical   data  to  support   product
registration  and  improved  its  position  with respect to having more than one
supplier of raw  materials.  Clinical  programs in ME/CFS were  implemented  and
expanded  with  encouraging  results.  Major  inroads  with  respect  to product
diversification  and  distribution  arrangements  were made for serving the U.S.
clinical market.

      The Company expects to continue its research and clinical  efforts for the
next several  years with some  benefit of certain  revenues  from cost  recovery
treatment programs,  notably in Belgium, Canada and the U.S.. Beginning in 1993,
limited  revenues  were  initiated in Belgium from sales under the cost recovery
provision  for  conducting  treatment  clinical  tests in ME/CFS;  including the
United States these sales were $258,715 in 1997. The Company expects to continue
incurring  losses over the next  several  years due to clinical  costs which are
only partially offset by revenues and potential  licensing fees. Such losses may
fluctuate  from quarter to quarter as a result of  differences  in the timing of
significant expenses incurred and receipt of licensing fees and/or revenues.

RESULTS OF OPERATIONS

Years Ended December 31, 1997 vs. 1996

      The  Company  reported  a loss  of  $6,106,860  in 1997  versus  a loss of
$4,554,489  in 1996 .  Several  factors  contributed  to the  increased  loss of
$1,552,371 in 1997, primarily a non-operating preferred stock conversion expense
(described below) of $1,200,000.

      Revenues increased by $226,671 in 1997 due to the increased  enrollment of
patients in the cost recovery  treatment,  clinical  programs being conducted in
Belgium, Canada and the United States.


                                       22
<PAGE>

      Research and development costs increased  $1,273,071 in 1997 due primarily
to increased  efforts in conducting  the  pre-clinical  toxicity  studies,  cost
associated  with  initiation  of the  Canadian,  Belgium and U.S.  clinical cost
recovery  treatment  programs and the HIV clinical trials being conducted in the
U.S. These costs were part of an overall plan to enhance the clinical data bases
to support an  eventual  full  marketing  application  in the United  States and
European Union.

      General and administrative expenses in 1997 decreased by $828,645. General
and  administrative  expenses in 1996  included a one time gain in the amount of
$318,757  resulting  from  the  forgiveness  of  certain  lease  obligations  in
connection  with the  restructuring  of the  Company's  principal  office lease.
Excluding  this  one time  gain  general  and  administrative  expenses  in 1997
decreased  by  $1,147,402.  This  decrease is  primarily  due to lower legal and
consulting fees, and reduction of various other administrative expenses.

      Preferred stock conversion  expense of $1,200,000  primarily resulted from
the issuance of Series E Convertible Preferred Stock in March, 1997.

      Interest  income  decreased  $72,093 in 1997 compared to 1996 due to lower
cash and cash equivalents  available for short term  investments  during part of
1997.

Years Ended December 31, 1996 vs. 1995

      The  Company  reported a net loss of  $4,554,489  in 1996 versus a loss of
$1,839,840  in  1995.  Several  factors  contributed  to the  increased  loss of
$2,714,649.

      Revenues  were down  $2,933,866  for 1996 as 1995  included  $2,900,000 of
licensing fees recorded in connection with SAB/Bioclones agreement. Research and
development costs increased  $873,665 in 1996 due primarily to increased efforts
on the  Canadian  and Belgium  clinical  programs.  General  and  administrative
expenses  of  $3,023,590  in 1996  reflect the benefit of a one time gain in the
amount of $318,757  resulting from the forgiveness of certain lease  obligations
in connection with the  restructuring  of the Company's  principal office lease.
Excluding  this one time  gain,  general  and  administrative  expenses  in 1996
exceeded  related  expenses in 1995 by  $461,904.  This  increase  can mostly be
attributed  to stock  compensation  expense of $634,344  and certain  consulting
fees.

      Debt  conversion  costs of  $149,384  and  interest  expense  of  $843,148
incurred in 1995 did not recur in 1996 due the fact that all the associated debt
was converted or repaid in 1995.  Interest  income  increased by $243,497 due to
the earnings on the remaining IPO funds and funds from the issuance of preferred
stock.

Liquidity and Capital Resources

      Cash and Cash  Equivalents  were  $8,965,174  as of December 31, 1997.  In
addition,  the Company had  $1,001,410 in short term  investments as of December
31, 1997. All in all, funds available to the Company  increased  $4,687,695 from
year end 1996. This increase  reflects the effect of proceeds  realized from the
private  placement  of equity and the exercise of stock  warrants  less net cash
used in operating and related activities.

      New equity  financing  in 1997  include the private  placement of Series E
Preferred Stock for net proceeds of $4,834,923 and two (2) private placements of
common  stock  for  an  aggregate  of  $9,395,699   in  net  proceeds.   Certain
warrantholders  exercised  their stock  warrants,  which  produced an additional
$425,115 in proceeds to the Company.

      The  $9,967,124  of funds  available  as of  December  31,  1997  plus the
anticipated  interest  income on short term  investments,  revenues from product
sales in the United States, Canada and Belgium cost recovery clinical trials and
licensing fees should meet


                                       23
<PAGE>

the Company's cash needs in 1998.  The Company  expects to continue its research
and  clinical  efforts  for the next  several  years and may seek to access  the
equity market  whenever  conditions are favorable,  even if the Company does not
have an immediate need for additional capital.

Year 2000 Compliance

      The Company  recognizes the need to ensure that its operations will not be
adversely  impacted by the Year 2000 hardware and software  issues.  The Company
intends to confirm its  compliance  regarding Year 2000 issues for both internal
and external  information  systems by the end of 1998.  This process will entail
communicating  with significant  suppliers,  financial  institutions,  insurance
companies  and other parties that provide  significant  services to the Company.
Expenditures  required to make the Company Year 2000  compliant will be expensed
as incurred  and are not expected to be material to the  Company's  consolidated
financial position or results of operations.

ITEM 8.  Financial Statements and Supplementary Data

      The  Company's  consolidated  balance  sheets as of December  31, 1996 and
1997, consolidated statements of operations,  stockholder's  equity(deficit) and
cash flows for each of the years in the three year  period  ended  December  31,
1997,  together  with the report of KPMG Peat  Marwick LLP,  independent  public
accountants are included  elsewhere  herein.  Reference is made to the "Index to
Financial statements and Financial Statement Schedule" on page 27 (F-1).

ITEM  9.  Changes  in the  Disagreements  with  Accountants  on  Accounting  and
          Financial Disclosures

      None

                                    PART III

ITEM 10.  Directors and Executive Officers of the Registrant

      The  information  required by this item is  incorporated by reference from
the  information  under the  caption  "Management"  contained  in the  Company's
definitive  Proxy Statement which will be filed with the Securities and Exchange
Commission on or before June 10, 1998 in  connection  with the  solicitation  of
proxies for the Company's  1998 Annual Meeting of  Stockholders  scheduled to be
held on or about July 10, 1998 (the "Proxy Statement").

ITEM 11. Executive Compensation

      The information  required by this item is incorporated by reference to the
information under the caption  "Executive  Compensation"  contained in the Proxy
Statement.

ITEM 12.  Security Ownership of Certain Beneficial Owners and Management

      The information  required by this item is incorporated by reference to the
information under the captions "Security  Ownership of Certain Beneficial Owners
and Management" contained in the Proxy Statement.

ITEM 13. Certain Relationships and Related Transactions

      The information  required by this item is incorporated by reference to the
information  under the caption  "Certain  Transactions"  contained  in the Proxy
Statement.


                                       24
<PAGE>

                                    PART IV

ITEM 14. Exhibits, Financial Statement Schedules and Reports on Form 8-K

(a)(1)(2) Financial Statements and Schedules - See index to financial statements
          on page 27 (F-1) of this Annual Report.

(a)(3)    Exhibits - See exhibit index below.

(b)       The Company has not filed any reports on Form 8K during the year ended
          December 31, 1997.

(c)       The  following  exhibits were filed with the  Securities  and Exchange
          Commission  as  exhibits  to  the  Company's  Form  S-1   Registration
          Statement  (No.   33-93314)  or  amendments  thereto  and  are  hereby
          incorporated  by  reference.  Exhibits  marked  with a star are  filed
          herewith:

Exhibit No.                 Description
- -----------                 -----------

       3.1    Amended and Restated  Certificate of  Incorporation of Registrant,
              as amended, along with Certificates of Designations

      *3.1.1  Series E Preferred Stock

       3.2    By-laws of Registrant, as amended

       4.1    Specimen certificate representing Registrant's Common Stock

       4.2    Form of Class A Redeemable Warrant Certificate

       4.3    Form of Underwriter's Unit Option Purchase Agreement

       4.4    Form of Class A  Redeemable  Warrant  Agreement  with  Continental
              Stock Transfer and Trust Company

       10.1   1990 Stock Option Plan

       10.2   1992 Stock Option Plan

       10.3   1993 Employee Stock Purchase Plan

       10.4   Form of Confidentiality, Invention and Non-Compete Agreement

       10.5   Form of Clinical Research Agreement

       10.6   Form of Collaboration Agreement

       10.7   Amended  and  Restated  Employment  Agreement  by and  between the
              Registrant and Dr. William A. Carter, dated as of July 1, 1993

       10.8   Employment  Agreement  by and  between the  Registrant  and Harris
              Freedman, dated August 1, 1994

       10.9   Employment  Agreement  by and  between the  Registrant  and Sharon
              Will, dated August 1, 1994

       10.10  License  Agreement  by and  between the  Registrant  and The Johns
              Hopkins University, dated December 31, 1980

       10.11  Technology  Transfer,  Patent License and Supply  Agreement by and
              between  the  Registrant,   Pharmacia  LKB   Biotechnology   Inc.,
              Pharmacia  P-L  Biochemicals  Inc. and E.I. du Pont de Nemours and
              Company, dated November 24, 1987

       10.12  Pharmaceutical  Use  Agreement,  by and between the Registrant and
              Temple University, dated August 3, 1988

       10.13  Assignment  and  Research  Support  Agreement  by and  between the
              Registrant,  Hahnemann  University  and  Dr.  David  Strayer,  Dr.
              lsadore Brodsky and Dr. David Gillespie, dated June 30, 1989

       10.14  Lease  Agreement  between  the  Registrant  and Red  Gate  Limited
              Partnership,  dated November 1, 1989, relating to the Registrant's
              Rockville, Maryland facility

       10.15  Agreement  between  the  Registrant  and  Bioclones  (Proprietary)
              Limited

       10.16  Amendment,   dated  August  3,  1995,  to  Agreement  between  the
              Registrant  and  Bioclones  (Proprietary)  Limited  (contained  in
              Exhibit (10.46)

       21     Subsidiaries of the Registrant


                                       25
<PAGE>

SIGNATURES

      Pursuant  to the  requirements  of Section  13 or 15(d) of the  Securities
Exchange Act of 1934, the Registrant has duly caused this report to be signed on
its behalf by the undersigned, thereunto duly authorized.
          
                                       HEMISPHERx BIOPHARMA, INC.

                                       By: /S/ William A. Carter
                                           -------------------------------------
                                           William A. Carter, M.D.
                                           Chief Executive Officer

February 2, 1999

      Pursuant to the requirements of the Securities  Exchange Act of 1934, this
report  has  been  signed  below  by the  following  persons  on  behalf  of the
Registrant and in the capacities and on the dates indicated.

                           
/S/ William A. Carter         Chairman of the Board, Chief      February 2, 1999
- ---------------------------   Executive Officer and Director
William A. Carter

/S/ Richard Piani             Director                          February 2, 1999
- ---------------------------
Richard Piani

/S/ Robert E. Peterson        Chief Financial Officer           February 2, 1999
- ---------------------------
Robert E. Peterson

/S/ Ransom Etheridge          Secretary and Director            February 2, 1999
- ---------------------------
Ransom Etheridge

/S/ Josephine Dolhancryk      Assistant Secretary and Treasurer February 2, 1999
- ---------------------------
Josephine Dolhancryk


                                       26
<PAGE>

                   HEMISPHERX BIOPHARMA, INC. AND SUBSIDIARIES

                   Index to Consolidated Financial Statements

                                                                            Page

Independent Auditors' Report .............................................   F-2

Consolidated Balance Sheets at December 31, 1996 and 1997 ................   F-3

Consolidated Statements of Operations for each of the years
in the three-year period ended December 31, 1997 .........................   F-4

Consolidated Statements of Stockholders' Equity(Deficit)
for each of the years in the three-year period ended
December 31, 1997 ........................................................   F-5

Consolidated Statements of Cash Flows for each of the years
in the three-year period ended December 31, 1997 .........................   F-6

Notes to Consolidated Financial Statements ...............................   F-8


                                      F-1
<PAGE>

Independent Auditors' Report

The Board of Directors and Stockholders
Hemispherx Biopharma, Inc.:

      We have audited the accompanying consolidated balance sheets of Hemispherx
Biopharma,  Inc.  and  subsidiaries  as of December  31, 1996 and 1997,  and the
related consolidated  statements of operations,  stockholders'  equity, and cash
flows for each of the years in the  three-year  period ended  December 31, 1997.
These consolidated  financial statements are the responsibility of the Company's
management.  Our  responsibility is to express an opinion on these  consolidated
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 consolidated  financial  statements referred to above
present fairly, in all material  respects,  the financial position of Hemispherx
Biopharma,  Inc.  and  subsidiaries  as of December  31, 1996 and 1997,  and the
results  of their  operations  and their cash flows for each of the years in the
three-year period ended December 31, 1997 in conformity with generally  accepted
accounting principles.

/s/ KPMG Peat Marwick LLP

February 20, 1998
Philadelphia, Pennsylvania


                                      F-2
<PAGE>

                   HEMISPHERX BIOPHARMA, INC. AND SUBSIDIARIES

                           Consolidated Balance Sheets
                           December 31, 1996 and 1997

                                                         December 31,
                                                 ------------------------------
                                                     1996              1997
                                                 ------------      ------------

                                     ASSETS

Current assets:
 Cash and cash equivalents .................     $  5,279,429      $  8,965,714
 Short term investments (Note 3)  ..........             --           1,001,410
 Prepaid expenses and
   other current assets ....................          105,341            99,026
                                                 ------------      ------------
   Total current assets ....................        5,384,770        10,066,150
rroperty and equipment, net ................           83,475            70,637
Patent and trademarks rights, net ..........        1,502,816         1,387,523
Security deposits ..........................           28,323            18,323
                                                 ------------      ------------
   Total assets ............................     $  6,999,384      $ 11,542,633
                                                 ============      ============

                      LIABILITIES AND STOCKHOLDERS' EQUITY

Current liabilities:
 Accounts payable ..........................     $    598,078      $    465,166
 Accrued expenses (Note 5)  ................          548,312           332,045
                                                 ------------      ------------
    Total current liabilities ..............        1,146,390           797,211

Commitments and contingencies
 (Notes 6, 8, 10, 11 and 13)

Stockholders' equity (Notes 6 and 7):
  Preferred stock ..........................               50                37
  Common stock .............................           16,160            21,042
  Additional paid-in capital ...............       54,080,171        65,255,571
  Deferred compensation ....................             --            (137,132)
  Unrealized loss on securities
    available for sale .....................             --              (2,183)
  Accumulated deficit ......................      (48,243,387)      (54,391,913)
                                                 ------------      ------------
    Total stockholders' equity .............        5,852,994        10,745,422
                                                 ------------      ------------
    Total liabilities and
     stockholders' equity ..................     $  6,999,384      $ 11,542,633
                                                 ============      ============

          See accompanying notes to consolidated financial statements.


                                      F-3
<PAGE>

                   HEMISPHERX BIOPHARMA, INC. AND SUBSIDIARIES
           Consolidated Statements of Operations For each of the years
                in the three-year period ended December 31, 1997

                                                    December 31,
                                   --------------------------------------------
                                       1995            1996            1997
                                   ------------    ------------    ------------

Revenues:
 Research and development .......  $     65,910    $     32,044    $    258,715
 License fees ...................     2,900,000            --              --
                                   ------------    ------------    ------------
   Total revenues ...............     2,965,910          32,044         258,715

Costs and expenses:
 Research and development .......     1,028,662       1,902,327       3,175,398
 General and
   administrative (Note 11) .....     2,880,443       3,023,590       2,194,945
 Preferred stock conversion
   expense ......................          --              --         1,262,523
                                   ------------    ------------    ------------
   Total cost and expenses ......     3,909,105       4,925,917       6,632,866

Debt conversion expense .........      (149,384)           --              --
Interest income .................        95,887         339,384         267,291
Interest expense (Note 13)  .....      (843,148)           --              --
                                   ------------    ------------    ------------

   Net loss .....................  $ (1,839,840)   $ (4,554,489)   $ (6,106,860)
                                   ============    ============    ============

Basic loss per share ............  $       (.18)   $       (.29)           (.35)
                                   ============    ============    ============

Weighted average shares
   outstanding ..................    10,341,163      15,718,136      17,275,994
                                   ============    ============    ============

Diluted loss per share ..........  $       (.18)   $       (.29)           (.35)
                                   ============    ============    ============

Weighted average common
   and dilutive equivalent
   shares outstanding ...........    10,341,163      15,718,136      17,275,994
                                   ============    ============    ============

See accompanying notes to consolidated financial statements.


                                      F-4

<PAGE>

                      HEMISPHERx BIOPHARMA, INC. AND SUBSIDIARIES

                Consolidated  Statements of  Stockholders'  Equity(Deficit)  For
        each of the years in the three-year period ended December 31, 1997

<TABLE>
<CAPTION>
                                      Preferred    Common                                                                           
                                       Stock        Stock        Preferred      Common     Preferred       Common                   
                                     subscribed   subscribed       stock         stock       Stock         Stock        Preferred
                                       shares       shares         shares       shares     subscribed    subscribed       stock   
                                       ------       ------         ------       ------     ----------    ----------     ---------   
<S>                                    <C>         <C>             <C>         <C>          <C>           <C>                       
Balance at December 31, 1994  .....    651,112     2,082,952       810,029     5,136,756    4,772,233     1,061,331    $  7,200,017
Redeemable preferred stock 
  dividend ........................       --            --            --            --           --            --              --
Debt to preferred stock dividend ..       --            --         172,414          --           --            --           749,383
Warrants issued in connection                                                                                                
  with imputed and forgiven                                                                                                         
  interest charges ................       --            --            --            --           --            --              --   
Preferred stock subscribed ........     10,000          --            --            --         50,000          --              --   
Debt to common stock conversion ...       --         100,000          --            --           --          50,000            --   
Issuance of common stock                                                                                                            
  certificate .....................       --      (2,182,952)         --       2,182,952         --      (1,111,331)           --   
Issuance of preferred stock                                                                                                         
  certificates ....................   (626,112)         --         626,112          --     (4,472,233)         --         4,472,233 
Convert redeemable to common ......       --            --            --         343,879         --            --              --   
Convert preferred to common .......    (35,000)         --      (1,608,555)    1,807,088     (350,000)         --       (12,421,633)
Issuance of common stock, net of                                                                                                    
  issuance cost ...................       --            --            --       5,313,000         --            --              --   
Warrants Exercised ................       --            --            --         797,917         --            --              --   
Net loss ..........................       --            --            --            --           --            --              --
                                      --------    ----------    ----------    ----------   ----------    ----------    ------------
Balance at December 31, 1995  .....       --            --            --      15,581,592         --            --              --   
                                                                                                                                    
Warrants Exercised ................       --            --            --         202,083         --            --              --   
Preferred Stock Issued ............       --            --           6,000          --           --            --                60 
Preferred Stock Converted .........       --            --          (1,000)      376,530         --            --               (10)
Stock Option Compensation .........       --            --            --            --           --            --              --   
Net loss ..........................       --            --            --            --           --            --              --   
Preferred Dividends ...............       --            --            --            --           --            --              --
                                      --------    ----------    ----------    ----------   ----------    ----------    ------------
Balance at December 31, 1996 ......       --            --           5,000    16,160,205         --            --                50 
                                                                                                                                    
Stock conversion costs ............       --            --            --         200,000         --            --              --   
Repayment of lock-up ..............       --            --            --            --           --            --              --   
Stock compensation, net ...........       --            --            --            --           --            --              --   
Debt conversion ...................       --            --            --            --           --            --              --   
Preferred stock redeemed ..........       --            --          (5,000)         --           --            --               (50)
Issuance of preferred stock                                                                                                         
  certificates ....................       --            --           5,000          --           --            --                50 
Preferred dividends forgiven ......       --            --            --            --           --            --              --   
Preferred stock converted .........       --            --          (1,350)      675,000         --            --               (13)
Warrants and options exercised ....       --            --            --         199,067         --            --              --   
Issuance of common stock, net of                                                                                                    
  issuance cost ...................       --            --            --       3,808,334         --            --              --   
Unrealized loss on securities                                                                                                       
  available for sale ..............       --            --            --            --           --            --              --   
Net loss ..........................       --            --            --            --           --            --              --   
Preferred Dividends ...............       --            --            --            --           --            --              --   
                                                                                                                       
Balance at December 31, 1997 ......       --            --           3,650    21,042,606         --            --              --   
                                      ========    ==========    ==========    ==========   ==========    ==========    ============

<CAPTION>
                                         Common                                Unrealized     
                                          Stock                                 loss on       
                                          .001       Additional                securities                     Total   
                                           Par        paid-in      Deferred    available    Accumulated    stockholders  
                                          Value       capital    compensation   for sale      deficit     equity(deficit)
                                          -----       -------    ------------   --------      -------     ---------------
<S>                                      <C>       <C>                                     <C>             <C>           
Balance at December 31, 1994  .....      $ 5,136   $ 14,036,082         --         --      $(41,704,486)   $(14,629,687) 
Redeemable preferred stock 
  dividend ........................         --         (314,873)        --         --              --          (314,873) 
Debt to preferred stock dividend ..         --             --           --         --              --           749,383  
Warrants issued in connection                                                                                            
  with imputed and forgiven                                                                                              
  interest charges ................         --          572,681         --         --              --           572,681  
Preferred stock subscribed ........         --             --           --         --              --            50,000  
Debt to common stock conversion ...         --             --           --         --              --            50,000  
Issuance of common stock                                                                                                 
  certificate .....................        2,183      1,109,148         --         --              --              --    
Issuance of preferred stock                                                                                              
  certificates ....................         --             --           --         --              --              --    
Convert redeemable to common ......          344      3,552,863         --         --              --         3,553,207  
Convert preferred to common .......        1,807     12,769,826         --         --              --              --    
Issuance of common stock, net of                                                                                         
  issuance cost ...................        5,313     15,825,644         --         --              --        15,830,957  
Warrants Exercised ................          798        398,159         --         --              --           398,957  
Net loss ..........................         --             --           --         --        (1,839,840)     (1,839,840) 
                                         -------   ------------    ---------    -------    ------------    ------------  
Balance at December 31, 1995  .....       15,581     47,949,530         --         --       (43,544,326)      4,420,785  
                                                                                                                         
Warrants Exercised ................          202        100,839         --         --              --           101,041  
Preferred Stock Issued ............         --        5,395,825         --         --              --         5,395,885  
Preferred Stock Converted .........          377           (367)        --         --              --              --    
Stock Option Compensation .........         --          634,344         --         --              --           634,344  
Net loss ..........................         --             --           --         --        (4,554,489)     (4,554,489) 
Preferred Dividends ...............         --             --           --         --          (144,572)       (144,572) 
                                         -------   ------------    ---------    -------    ------------    ------------  
Balance at December 31, 1996 ......       16,160     54,080,171         --         --       (48,243,387)      5,852,994  
                                                                                                                         
Stock conversion costs ............          200      1,199,800         --         --              --         1,200,000  
Repayment of lock-up ..............         --         (109,712)        --         --              --          (109,712) 
Stock compensation, net ...........         --          199,655     (137,132)      --              --            62,523  
Debt conversion ...................         --           55,000         --         --              --            55,000  
Preferred stock redeemed ..........         --       (4,999,950)        --         --              --        (5,000,000) 
Issuance of preferred stock                                                                                              
  certificates ....................         --        4,834,873         --         --              --         4,834,923  
Preferred dividends forgiven ......         --          171,775         --         --              --           171,775  
Preferred stock converted .........          675           (662)        --         --              --              --    
Warrants and options exercised ....          199        424,916         --         --              --           425,115  
Issuance of common stock, net of                                                                                         
  issuance cost ...................        3,808      9,399,705         --         --              --         9,403,513  
Unrealized loss on securities                                                                                            
  available for sale ..............         --             --           --       (2,183)           --            (2,183) 
Net loss ..........................         --             --           --         --        (6,106,860)     (6,106,860) 
Preferred Dividends ...............         --             --           --         --           (41,666)        (41,666) 
                                         -------   ------------    ---------    -------    ------------    ------------  
Balance at December 31, 1997 ......      $21,042   $ 65,255,571    $(137,132)   $(2,183)   $(54,391,913)   $ 10,745,422  
                                         =======   ============    =========    =======    ============    ============  
</TABLE>

See accompanying notes to consolidated financial statements.


                                      F-5

<PAGE>

                   HEMISPHERX BIOPHARMA, INC. AND SUBSIDIARIES
                      Consolidated Statements of Cash Flows
     for each of the years in the three-year period ended December 31, 1997
                Increase (Decrease) in Cash and Cash Equivalents

                                                     December 31,
                                      ------------------------------------------
                                          1995           1996           1997
                                      ------------   ------------   ------------

Cash flows from operating
  activities:
  Net loss ........................   $(1,839,840)   $(4,554,489)   $(6,106,860)

Adjustments to reconcile net
  loss to net cash used in
  operating activities:
  Depreciation of property
    and equipment .................        54,000         56,958         28,315
  Amortization of patent rights ...       222,000         90,935        123,812
  Imputed interest charges ........        41,360           --             --
  Debt conversion expense .........       149,384           --             --
  Write-off of patent rights ......       100,017         41,156        300,253
  Stock conversion costs ..........          --             --        1,200,000
  Stock option compensation
    expense .......................          --          634,344         62,523
  Changes in assets and
    liabilities:
    Prepaid expenses
      and other current assets ....       (59,985)       (42,599)         6,315
  Accounts payable ................    (1,156,084)      (497,559)       (77,912)
  Accrued expenses ................       547,561     (1,844,893)      (188,057)
  Security deposits ...............         2,368         18,241         10,000
                                      -----------    -----------    -----------
    Net cash used in
      operating activities ........    (1,939,219)    (6,097,906)    (4,641,611)
                                      -----------    -----------    -----------

Cash flows from investing
  activities:
  Purchase of property
    and equipment .................        (3,625)       (86,480)       (15,477)
  Additions to patent rights ......      (132,689)      (389,815)      (308,772)
  Purchase of short term
    investments ...................          --             --        (1003,593)
                                      -----------    -----------    -----------
      Net cash used in investing
        activities ................   $  (136,314)   $  (476,295)   $(1,327,842)
                                      -----------    -----------    -----------

                                  (CONTINUED)

See accompanying notes to consolidated financial statements.


                                      F-6
<PAGE>

                HEMISPHERX BIOPHARMA, INC. AND SUBSIDIARIES
              Consolidated Statements of Cash Flows (Continued)

                                                     December 31,
                                    --------------------------------------------
                                         1995            1996           1997
                                    -------------   -------------   ------------

Cash flows from financing
  activities:
  Proceeds from issuance of
    preferred stock ..............  $       --      $  5,395,885    $ 4,834,923
  Proceeds from shareholder
    loans ........................        35,000            --             --
  Proceeds from notes payable ....     1,762,000            --             --
  Payments on notes payable ......    (1,837,000)           --             --
  Payments on stockholder
    notes ........................    (2,860,911)     (4,920,000)          --
  Principal payments under
    capital lease obligation .....       (23,308)           --             --
  Preferred stock redeemed .......          --              --       (5,000,000)
  Proceeds from issuance of
    common stock .................    18,595,000            --        9,403,513
  Stock issuance costs ...........    (2,764,043)           --           (7,814)
  Proceeds from exercise of
    stock warrants ...............       398,957         101,040        425,116
  Dividends paid on preferred
    stock ........................          --           (14,462)          --
                                    ------------    ------------    -----------
    Net cash provided by
      financing activities .......    13,305,695         562,463      9,655,738
                                    ------------    ------------    -----------
    Net increase (decrease)
      in cash and cash
      equivalents ................    11,230,162      (6,011,738)     3,686,285
Cash and cash equivalents at
  beginning of year ..............        61,005      11,291,167      5,279,429
                                    ------------    ------------    -----------
Cash and cash equivalents
  at end of year .................  $ 11,291,167    $  5,279,429    $ 8,965,714
                                    ============    ============    ===========
Supplemental disclosures
  of cash flow information:
  Cash paid during the year
    for interest .................  $    186,503    $      3,999    $     6,700
                                    ============    ============    ===========
Supplemental disclosure of
  noncash investing activities:
  Debt to equity conversion ......  $    799,383    $       --      $      --
  Accounts payable and accrued
    expenses to equity
    conversion ...................        50,000            --           55,000
  Forgiveness of interest ........       572,681            --             --
  Preferred stock to equity
    conversion ...................     3,238,334         899,314           --

See accompanying notes to consolidated financial statements.


                                      F-7
<PAGE>

               HEMISPHERX BIOPHARMA, INC. AND SUBSIDIARIES
                NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                        DECEMBER 31, 1996 AND 1997

(1) Business

Hemispherx  BioPharma,  Inc. and subsidiaries  (the Company) is a pharmaceutical
company using nucleic acid technologies to develop therapeutic  products for the
treatment of viral diseases and certain  cancers.  The Company's drug technology
uses specially-configured  ribonucleic acid (RNA). The Company's double-stranded
RNA drug product,  trademarked  Ampligen,  is in human clinical  development for
various  therapeutic  indications.  The efficacy and safety of Ampligen is being
developed    clinically    for    three    anti-viral    indications:    myalgic
encephalomyelitis,  also known as chronic fatigue  syndrome  (ME/CFS) (Phase II)
clinical  trial  completed and Phase II/III  clinical trial  authorized);  human
immunodeficiency  virus  associated  disorders  (Phase II clinical  trial);  and
chronic hepatitis B virus infection (Phase I/II clinical trial in process).  The
Company  also has clinical  experience  with  Ampligen in patients  with certain
cancers including renal cell carcinoma (kidney cancer) and metastatic  malignant
melanoma.

The  consolidated  financial  statements  include the  financial  statements  of
Hemispherx BioPharma, Inc. and its three wholly-owned subsidiaries BioPro Corp.,
BioAegean Corp. and Core BioTech Corp. which were incorporated in September 1994
for the  purpose  of  developing  technology  for  ultimate  sale  into  certain
non-pharmaceutical  specialty  consumer  markets.  All significant  intercompany
balances and transactions have been eliminated in consolidation.

In November 7, 1995, the Company  completed an initial public  offering (IPO) of
5,312,900  units of  Hemispherx  BioPharma,  Inc.  resulting  in net proceeds of
approximately  $15.8  million.  Each unit consists of one share of the Company's
Common Stock and one Class A Redeemable  Warrant,  exercisable  for one share of
Common Stock at $4.00 per share.  These Class A Redeemable  Warrants are subject
to redemption by the Company  beginning  November 2, 1997 at $.05 per warrant in
the event that the closing bid price of the Company's Common Stock exceeds $9.00
for a specified time period.  In connection  with the IPO, the  underwriter  was
granted an option to purchase 462,000 units at $5.775 per unit.

On May 1, 1997,  the Company  received  permission  from the U.S.  Food and Drug
Administration  (FDA) to  recover  costs from  Chronic  Fatigue  Syndrome  (CFS)
patients in the Company's AMP-511 open-label treatment protocol.  In June, 1997,
five  (5)  clinical  sites  across  the  United  States  had  been  approved  to
Participate in this protocol.  The cost of Ampligen to the patient is $2,100 for
the first eight weeks of  treatment  and $2,400 for each  additional  eight-week
period  thereafter.  This treatment protocol has begun to enroll CFS patients at
these centers in the U.S. The Company is  discussing  the design of a controlled
CFS clinical trial (AMP-516) with the FDA.

       


                                      F-8
<PAGE>

       

(2) Summary of Significant Accounting Policies

(a) Cash and Cash Equivalents

Cash  equivalents  consist of money market,  bank  certificates of deposit,  and
overnight repurchase  agreements  collateralized by money market securities with
original  maturities of less than three months,  with both a cost and fair value
of $5,279,429 and $8,965,714 at December 31, 1996 and 1997, respectively.

(b) Investments

The Company classifies  investments with original  maturities of three months or
less as cash  equivalents.  Investments  with  original  maturities of more than
three months are considered  available for sale. The  investments  classified as
available  for sale are U.S.  Treasury  notes and are carried at estimated  fair
value with unrealized  gains and losses recorded as a component of shareholders'
equity.

(c) Property and Equipment

                                                    1996        1997
                                                  --------    --------
        Furniture, fixtures, and equipment        $624,813    $640,290

        Leasehold improvements                      61,576      61,576
                                                  --------    --------
        Total property and equipment               686,389     701,866
        Less accumulated depreciation              602,914     631,229
                                                  --------    --------
        Property and equipment, net               $ 83,475    $ 70,637
                                                  ========    ========

Property and equipment consist of furniture,  fixtures,  office  equipment,  and
leasehold  improvements  recorded  at cost.  Depreciation  and  amortization  is
computed using the  straight-line  method over the estimated useful lives of the
respective assets, ranging from five to seven years.

Recoverability of assets is measured by a comparison of the carrying amount of
an asset to future undiscounted


                                      F-9
<PAGE>

net cash  flows  expected  to be  generated  by the  asset.  If such  assets are
considered  to be impaired,  the  impairment to be recognized is measured by the
amount by which the carrying  amount of the assets exceeds the fair value of the
assets.

(d) Patent and Trademark Rights

   
Patents  and  trademarks  are  stated  at cost  (primarily  legal  fees) and are
amortized using the straight-line method over ten years. The Company reviews its
patents and trademarks  periodically  to determine  whether they have continuing
value.  Such review includes an analysis of the patent and trademark's  ultimate
revenue  and  profitability  potential  on an  undiscounted  cash flow  basis to
support the  realizability  of its  respective  capitalized  cost.  In addition,
management's  review addresses whether the patent and trademark continues to fit
into the Company's strategic business plans. During the years ended December 31,
1996 and 1997,  the  Company  decided  not to pursue the  technology  in certain
countries  for  strategic   reasons  and  has  recorded   $41,156  and  $300,253
respectively,  relating to the expense of writing off these  patents as a charge
to research and  development.  Accumulated  amortization as of December 31, 1996
and 1997 is $795,117 and $1,116,726, respectively. In addition the Company wrote
off $240,743 of fully amortized patents and trademarks during 1996.

(e) Investment in Unconsolidated Affiliates

Investments in unconsolidated  affiliates are accounted for utilizing the equity
method of accounting reflecting in the investment account any initial investment
plus the  Company's  share of earnings  and losses.  Ribotech,  Ltd. has had net
losses  since  inception  and the  Company  does not  share in those  losses  in
accordance with the licensing agreement defined in Note 10.
    

(f) Revenue

       
   
Revenue is recognized  immediately for nonrefundable license fees when agreement
terms require no additional  performance with respect to such on the part of the
Company.  Revenue  from  the  sale of  Ampligen  under  cost  recovery  clinical
treatment  protocols  approved by the FDA are  recognized  when such  product is
invoiced to the patient.  Revenue  related to the sale of Ampligen were $65,910,
$32,044, and $258,715 for 1995, 1996 and 1997 respectively.
    

(g) Net Loss Per Share

Basic net loss per share is computed using the weighted average number of shares
of common  stock  outstanding  during the period.  Diluted net loss per share is
computed  using the  weighted  average  number of shares of common  and  diluted
potential shares outstanding during the period.  Potential common shares consist
of stock options and warrants  using the treasury  stock method and are excluded
if their effect is antidilutive.


                                      F-10
<PAGE>

Effective  December  31,  1997,  the  Company  adopted  Statement  of  Financial
Accounting  Standards No. 128 ("SFAS 128") Earnings per Share ("EPS").  SFAS 128
establishes  and  simplifies  the  standards  for  computing  earnings per share
previously  found in Accounting  Principles  Board Opinion No. 15,  Earnings Per
Share  ("APB 15") and makes them  comparable  to  international  EPS  standards.
Pursuant to the  adoption of SFAS 128 and  Securities  and  Exchange  Commission
Staff  Accounting  Bulletin  No. 98, the Company has  restated  its net loss per
share for all previously  issued  periods.  Accordingly,  all net loss per share
calculations   reflect  a  historical  approach   methodology  rather  than  the
methodology  required by the superceded  guidance of APB 15 and Staff Accounting
Bulletin No. 83 under which amounts were previously presented.

(h) Accounting for Income taxes

Deferred income tax assets and  liabilities are determined  based on differences
between  the  financial   statement  reporting  and  tax  bases  of  assets  and
liabilities  and are measured  using the enacted tax rates and laws that will be
in effect when the  differences  are  expected to reverse.  The  measurement  of
deferred income tax assets is reduced,  if necessary,  by a valuation  allowance
for any tax  benefits  which are not  expected  to be  realized.  The  effect on
deferred  income  tax  assets  and  liabilities  of a  change  in tax  rates  is
recognized in the period that such tax rate changes are enacted.

(i) Sales of Subsidiary Stock

   
The  Company  intends to  account  for any sales of its  subsidiaries'  stock as
capital  transactions.  However,  as of December 31, 1996 and 1997,  the Company
owned 100% of each subsidiaries  stock. Any sales of subsidiary stock to a third
party would represent a minority ownership in the specific subsidiary.
    

(j) New Accounting Pronouncements

In June  1997,  the FASB  issued  Statement  of  Financial  Standards  No.  130,
Reporting  Comprehensive  Income ("Statement 130"). This Statement requires that
all items are required to be recognized under accounting standards as components
of comprehensive  income be reported in a financial  statement that is displayed
with the same  prominence  as other  financial  statements.  This  statement  is
effective for fiscal years  beginning after December 15, 1997. The Company plans
to adopt this  accounting  standard as required.  The adoption of this  standard
will have no impact on the Company's earnings, financial condition or liquidity,
but will require the Company to classify items of other comprehensive  income in
a financial statement and display the accumulated balance of other comprehensive
income separately in the equity section of the balance sheet.

In June 1997,  the FASB also issued  Statement  of  Financial  Standard No. 131,
Disclosures about Segments of an Enterprise and Related Information  ("Statement
131").  Statement  131  supersedes  Statement  of  Financial  Standards  No. 14,
Financial Reporting for Segments of a Business  Enterprise,  and establishes new
standards for reporting information about operation segments in annual financial
statements and requires selected information about operating segments in interim
financial  reports.   Statement  131  also  establishes  standards  for  related
disclosures  about products and services,  geographic areas and major customers.
Statement 131 is effective for periods  beginning  after December 15, 1997. This
Statement affects reporting in financial statements only and will have no impact
on the Company's results of operations, financial condition or liquidity.

(k) Use of estimates

The preparation of financial  statements in conformity  with generally  accepted
accounting principles requires management to make estimates and assumptions that


                                      F-11
<PAGE>

affect the amounts reported in the financial  statements and accompanying notes.
Actual results could differ from those estimates.

(3) Investments

At December 31, 1997, securities classified as available for sale are summarized
below.

                                                   Unrealized
                                      Adjusted   --------------    Carrying
                                        Cost     Gains   (Losses)   Value
                                     ----------  -----   -------  ----------
U.S. Treasury note                   $1,003,593    --    $(2,183) $1,001,410
                                     ==========  =====   =======  ==========

There were no marketable securities at December 31, 1996.

(4) Stock-Based Compensation

   
In 1996, the Company granted 350,000 warrants to purchase common stock at $3.50,
the fair value on the date of grant,  to certain key employees in recognition of
services performed and services to be performed.  The per share weighted average
fair value of the stock  purchase  warrants  granted  during 1996 was determined
using the Black-Scholes option pricing model with the following weighted average
assumptions:  expected dividend yield of zero, risk free interest rate of 6.02%,
volatility 39.71%, and an expected life of two years.
    

In 1997, the Company granted 64,597 stock purchase  options to employees with at
least one year of service in recognition  of services  performed and services to
be performed.  The per share  weighted  average fair value of the stock purchase
warrants  granted  during 1997 was  determined  using the  Black-Scholes  option
pricing model with the following weighted average assumptions: expected dividend
yield of zero,  risk free interest  rate of 6.14%,  volatility  112.25%,  and an
expected life of 5 years.

The  Company   applies  APB  Opinion  No.  25  in  accounting  for   stock-based
compensation of its employees and,  accordingly,  no compensation  cost has been
recognized  for stock  purchase  warrants  issued to employees in the  financial
statements. Had the Company determined compensation cost based on the fair value
at the  grant  date  for  its  stock-based  compensation  of its  employees  the
Company's net loss would have been  increased to the pro forma amount  indicated
below:

                                            1996          1997
                                            ----          ----
        Net loss      As reported       $(4,554,489)  $(6,106,860)
                      Pro forma          (4,782,722)   (6,203,259)

There was no stock-based compensation for employees in 1995.

   
For warrants  granted to  non-employees,  the Company measures fair value of the
equity  instruments   utilizing  the  Black-Scholes  method  if  that  value  is
more-reliably  measurable  than the fair value of the  consideration  or service
received. The Company amortizes such cost over the related vesting period of the
warrant.
    


                                      F-12
<PAGE>

(5) Accrued Expenses

Accrued expenses at December 31, 1996 and 1997  consists of the following:

                                                      December 31,
                                                ----------------------
                                                  1996          1997
                                                --------      --------
Accrued payroll and benefits .............      $126,296      $  9,031
Accrued stock conversion costs ...........          --         101,899
Accrued dividends ........................       130,109          --
Accrued fees for HIV studies .............          --          41,936
Accrued taxes ............................        76,884        86,734
Accrued professional fees (Note 13)  .....       162,719        31,095
Accrued other ............................        52,304        61,350
                                                --------      --------
                                                $548,312      $332,045
                                                ========      ========

(6) Stockholders' Equity

(a) Common Stock

The Company is authorized to issue  50,000,000  shares of $.001 par value Common
Stock. As of December 31, 1996 and 1997,  16,160,205 and 21,042,606  shares were
issued and outstanding, respectively.

(b) Common Stock Options and Warrants

(i) Stock Options

   
The 1990 Stock  Option Plan  provides for the grant of options to purchase up to
460,798  shares of the  Company's  Common  Stock to  employees,  directors,  and
officers of the Company and to  consultants,  advisors,  and other persons whose
contributions  are  important to the success of the Company.  The  recipients of
options  granted  under the 1990 Stock Option  Plan,  the number of shares to be
converted  by each  option,  and the  exercise  price,  vesting  terms,  if any,
duration and other terms of each option  shall be  determined  by the  Company's
board of directors or, if delegated by the board, its Compensation Committee. No
option is exercisable more than 10 years and one month from the date as of which
an option  agreement is executed.  These shares  become vested  through  various
periods  not to exceed  four  years  from the date of grant.  The  option  price
represents the fair market value of each underlying share of Common Stock at the
date of grant, based upon the public trading price.
    

Information  regarding the options  approved by the Board of Directors under the
1990 Stock Option Plan is summarized below:

                                                       December 31
                                       Option    ------------------------
                                       price       1995    1996       1997
                                                 -------  -------    -------
Outstanding, beginning of year.....  $1.06-4.34  285,620  232,830    234,953 
Granted............................   3.50-4.34     --      2,123     64,597
Cancelledv.........................    .11-4.34  (52,790)    --         --
Exercised..........................         .11     --       --       (8,294)
                                      ---------- -------  -------    -------
Outstanding, end of year...........  $1.06-4.34  232,830  234,953    291,256
                                      ========== =======  =======    =======
Exercisable....................................  165,244  215,161    206,867
                                                 =======  =======    =======
Exercised in current and prior years...........  (10,576) (10,576)   (18,870)
                                                 =======  =======    =======
Available for future grants....................  217,392  215,269    150,672
                                                 =======  =======    =======


                                      F-13
<PAGE>

In December  1992,  the Board of  Directors  approved the 1992 Stock Option Plan
(the 1992 Stock Option Plan) which provides for the grant of options to purchase
up to 92,160 shares of the Company's Common Stock to employees,  directors,  and
officers of the Company and to  consultants,  advisers,  and other persons whose
contributions are important to the success of the Company. The recipients of the
options  granted  under the 1992 Stock Option  Plan,  the number of shares to be
covered by each option, and the exercise price,  vesting terms, if any, duration
and other terms of each option shall be  determined  by the  Company's  board of
directors.  No option is  exercisable  more than 10 years and one month from the
date as of which an option agreement is executed.  To date, no options have been
granted under the 1992 Stock Option Plan.

The Company's  1993 Employee  Stock  Purchase Plan (the 1993 Purchase  Plan) was
approved  by the  board of  directors  in July  1993.  The  outline  of the 1993
Purchase  Plan  provides for the  issuance,  subject to  adjustment  for capital
changes, of an aggregate of 138,240 shares of Common Stock to employees.

The 1993  Purchase Plan is  administered  by the  Compensation  Committee of the
board of directors. Under the 1993 Purchase Plan, Company employees are eligible
to participate in semi-annual plan offerings in which payroll  deductions may be
used to purchase  shares of Common Stock.  The purchase price for such shares is
equal to the lower of 85% of the fair market value of such shares on the date of
grant or 85% of its fair  market  value of such shares on the date such right is
exercised. There have been no offerings under the 1993 Purchase Plan to date and
no shares of Common Stock have been issued thereunder.

(ii) Warrants

The warrants outstanding at December 31, 1997, related to the issuance of former
notes payable and stockholder notes payable (Note 13) which are exercisable into
Common Stock, are subject to antidilution adjustments.

                                            Common Stock
                                        --------------------
                                        Exercise   Number of
                                         Price      Shares       Expiration
                                        --------   ---------     ----------
Notes payable:
 Former noteholders (see Note 13)..      $10.85      119,807   November, 2005
    "         "          "       ..       $1.84      140,000       "       "
Stockholders notes:
 Stockholders......................       $3.50      292,160     Oct. 1999
 Stockholder.......................       $3.50      300,000     Oct. 1999
 Stockholder.......................       $1.75       75,000     Mar. 2000
 Stockholder.......................       $3.50       10,000     Mar. 1999
                                                     -------
                 Subtotal:                           936,967
                                                     =======

In 1997,  warrant holders in this group exercised  198,294  warrants to purchase
common stock which  produced  $445,341 in gross  proceeds,  of which $21,517 was
received in 1998.

(iii) Other Warrants

In  addition,  the Company has issued  other  warrants  outstanding  - totalling
14,693,967 which consists of the following:

In  November,  1994,  the  Company  granted  Rule 701  Warrants  to  purchase an
aggregate of 2,080,000 shares of Common Stock to certain officers and directors.
These Warrants are exercisable at $3.50 per share and, if not exercised,  expire
in


                                      F-14
<PAGE>

September, 1999.

From February  through April 1995, the Company  executed  Bridge Loan Agreements
and promissory notes with 17 accredited lenders totaling $1,500,000. These notes
required  interest at 8% per annum and were paid on the closing date of the IPO.
Interest  has been  imputed at 12% and is  recognized  as  interest  expense and
additional  paid in  capital  in 1995 to  reflect  the  issuance  of  additional
warrants to reflect the  reduction in interest.  Such  agreements  also included
various affirmative and negative  covenants.  As additional  consideration,  the
lenders  had  options to  purchase  1,000,000  bridge  units  issuable  upon the
effective  date of the IPO at an  exercise  price of $.50  for a period  of five
years.  Each bridge option consists of one share of common stock and one class A
redeemable  warrant to purchase  common stock at $4.00 per share.  797,917 units
were exercised in 1995 and 202,083 were exercised in 1996 at $.50 per unit.

In May,  1995,  the Company and certain  officers,  directors  and  shareholders
entered into a standby finance agreement pursuant to which the parties agreed to
provide an aggregate of  $5,500,000  in financing to the Company  during 1995 in
the event that existing and additional  financing was  insufficient to cover the
cash needs of the Company  through  December 31, 1995. In exchange,  the Company
issued warrants to purchase an aggregate of 2,750,000  shares of Common Stock at
$1.75 per share to the parties. In September,  1995, the parties to this standby
agreement agreed to extend their obligations through December 31, 1996.

In June 1995, the Company entered into an agreement with The Sage Group whereby,
in return for identifying  certain  distribution  partners,  The Sage Group will
receive  certain  percentages  of  the  proceeds  from  the  first  distribution
agreement arising from such identification. In addition, the Company will pay to
The Sage Group a monthly  retainer  and has given  warrants to purchase  100,000
shares  of Common  Stock at an  exercise  price of $1.75  share.  In May,  1996,
additional warrants to purchase 140,000 shares of Common Stock were issued at an
exercise price of $3.50. In May, 1997,  additional  warrants to purchase 150,000
shares of common stock were issued at an exercise price of $3.50, as part of the
engagement contract.

In  connection  with the IPO  completed  on November 7, 1995,  the Company  sold
5,312,900 units.  Each unit consisted of one share of common stock and one Class
A Redeemable Warrant  exercisable at $4.00 per share.  Warrant holders exercised
100 shares at the exercise price during 1997.

Also, as part of the underwriting  agreement,  the underwriter received warrants
to  purchase  462,000  shares  of common  stock at  $5.775  per share as well as
462,000 Class A Redeemable Warrants to purchase common stock at $6.60 per share.
These warrants expire five years from the date of the IPO.

As part of the  placement  of the $5 million of Series E  Convertible  Preferred
Stock in March, 1997, 150,000 warrants were issued to an investment banking firm
to purchase  common stock at $3 per share.  The  warrants  will expire March 31,
2000.

In  connection  with the stock issued in  September,  1997,  the company  issued
385,067  warrants to several  entities to purchase common stock at $4 per share.
The warrants will expire December 31. 2000.

1,702,000  warrants  have  been  granted  to  other  parties,  stockholders  and
employees for services  performed.  These  warrants are  exercisable at rates of
$2.50 to $4.00 per warrant.

       


                                      F-15
<PAGE>

(iv) Subsidiary Warrants

In May 1995,  the officers and  directors  of BioAegean  Corp.  were elected and
approved.  The board of directors  approved the issuance of 6,000,000  shares of
Common Stock,  of which  1,000,000  shares are to be offered for sale to certain
investors at $1.00 per share. In addition,  the directors  approved  options for
directors and officers totaling  1,200,000 shares at an exercise price of $1.00.
In consideration for licensing certain patents,  the board authorized  1,000,000
shares of common stock to be issued to Hemispherx  BioPharma,  Inc., options for
an  additional  1,000,000  shares of common  stock at the lesser of the  initial
public  offering price of BioAgean Corp. or $5.00 per share and 10,000 shares of
Preferred  stock to Hemispherx  BioPharma,  Inc. Only the common stock shares of
Hemispherx BioPharma, Inc have been issued as of December 31, 1996 and 1997.

(7) Convertible Preferred Stock

On July 3, 1996 the Company issued and sold 6,000 shares of Series D Convertible
Preferred  Stock ("the  Preferred  Stock") at $1,000 per share for an  aggregate
total of  $6,000,000.  The  proceeds,  net of  issuance  costs,  realized by the
Company were $5,395,885. In addition to the issuance of the Preferred Stock, the
Company issued to the buyer Warrants ("the Warrants") to purchase 100,000 shares
of Common Stock at the strike price of $4.00 per share.

The Preferred  Stock earned  dividends at the rate of $50 per annum per share as
declared  by the Board of  Directors  of the  Corporation.  The  dividends  were
cumulative and payable  quarterly  commencing  October 1, 1996 in cash or common
stock  at  the  election  of  the  Company.  In  October,  1996,  the  Preferred
Shareholder  converted 1,000 shares of Series D Convertible Preferred stock into
376,530 shares of common stock.

On September  16, 1996 the  Company's  registration  statement  registering  the
common  stock  underlying  the  Preferred  Stock and the  Warrants  was declared
effective by the SEC.

   
In March,  1997, the Company used the services of an investment  banking firm to
privately place $5 million of Series E Convertible Preferred Stock. The proceeds
from this  placement  were used to retire the  balance  of Series D  Convertible
Stock issued in July of 1996. As an inducement to effect the early redemption of
the Series D Preferred Stock, the Company gave the Preferred Stockholder 200,000
shares of common  stock with a  guaranteed  sales  price of $6 per  share.  As a
result of this  inducement  in 1997,  the Company  incurred a $1.2 million stock
conversion  cost, which had no effect on the net equity of the company as it was
offset by an increase in additional paid-in capital.
    

The holders of Series E Convertible  Preferred  Stock shall  receive  cumulative
dividends  when and if declared by the board of directors at the rate of $60 per
share.  Holders of Series E Convertible  Preferred  Stock upon  surrender of the
certificates  shall have the right to convert the Series E preferred  into fully
paid and non-assessable share of Common Stock.

On April 18, 1997, the Company's  registration  statement registering the common
stock underlying the preferred stock and warrants was declared  effective by the
SEC. As of December 31, 1997,  five  holders of Series E  convertible  preferred
stock had converted their holding into 675,000 shares of common stock.

(8) Research, Consulting and Supply Agreements

   
The  Company has entered  into  various  clinical  research  agreements  for the
purpose of  undertaking  clinical  evaluations  of the safety  and  efficacy  of
Ampligen. The Company's obligation under these agreements is primarily dependent
on the number of actual  patients  enrolled  in the study and may be  terminated
without penalty
    


                                      F-16
<PAGE>

   
at any time.  During the years  ending  December 31,  1995,  1996 and 1997,  the
Company  incurred  approximately  $179,000 of research fees under this agreement
with Hahnemann  Medical  University in Philadelphia.  Such costs are expensed as
incurred.
    

In August, 1988, the Company entered into a pharmaceutical use license agreement
with Temple University (the Temple Agreement).  In July, 1994, Temple terminated
the Temple Agreement.  In November,  1994, the Company filed suit against Temple
in the Superior Court of the State of Delaware  seeking a declaratory  judgement
that the agreement was unlawfully terminated by Temple and therefore remained in
full force and effect.  Temple filed a separate suit against the Company seeking
a  declaratory  judgement  that its  agreement  with the  Company  was  properly
terminated. These legal actions have now been settled. Under the settlement, the
parties have entered into a new pharmaceutical use license agreement (New Temple
Agreement)  that is  equivalent  in duration and scope to the previous  license.
Under the terms of the New  Temple  Agreement,  Temple  granted  the  Company an
exclusive  world-wide  license for the term of the agreement for the  commercial
sale of Oragen  products  using patents and related  technology  held by Temple,
which  license is exclusive  except to the extent  Temple is required to grant a
license to any governmental agency or non-profit  organization as a condition of
funding for research and  development of the patents and technology  licensed to
the Company. (Note 13).

The  Company has entered  into  agreements  for  consulting  services  which are
performed at certain  institutions  and by certain  individuals.  The  Company's
obligation  to fund these  agreements  can  generally  be  terminated  after the
initial funding period,  which generally ranges from one to three years or on an
as-needed  monthly basis.  During the years ending  December 31, 1995,  1996 and
1997,  the  Company  incurred  approximately  $87,000,  $188,000  and  $124,000,
respectively, of consulting fees under these agreements.

In September 1995, the Company entered into an agreement with Rivex Pharma Inc.,
("Rivex"),  pursuant to which Rivex will provide various  services in connection
with the  marketing  and  exclusive  distribution  of  Ampligen  in Canada on an
emergency drug release  basis.  Under the terms of this  agreement,  the Company
will supply and Rivex will  purchase as much  Ampligen as  necessary  to satisfy
Rivex's  customers at a mutually agreed upon cost. In return,  Rivex will retain
the exclusive right to market and distribute  Ampligen in Canada. This agreement
was terminated by the Company in 1997.

(9) 401(K) Plan

In December 1995, the Company established a defined contribution plan, effective
January  1, 1995,  the  Hemispherx  BioPharma  Employees  401(K)  Plan and Trust
Agreement (the 401(K) Plan). All full time employees of the Company are eligible
to participate  in the 401(K) Plan following one year of employment.  Subject to
certain  limitations  imposed by federal tax laws,  participants are eligible to
contribute up to 15% of their salary (including bonuses and/or  commissions) per
annum.  Participants'  contributions  to the  401(K)  Plan may be matched by the
Company at a rate determined annually by the Board of Directors.

Each participant  immediately vests in his or her deferred salary contributions,
while  Company  contributions  will  vest  over one  year.  In 1995 the  Company
provided  matching  contributions to each employee for up to 6% of annual pay or
$25,500.  The  Company  also  absorbed  the cost of  employee  contributions  of
$25,500.  In 1996 and 1997, the Company provided matching  contributions to each
employee for up to 6% of annual pay of $31,580, and $30,598 respectively.

(10) Royalties, License, and Employment Agreements

The Company also has entered into a licensing agreement with a group of


                                      F-17
<PAGE>

individuals  and Hahnemann  University  relating to their  contributions  to the
development of certain compounds,  including  Ampligen,  and to obtain exclusive
information  and  regulatory  rights  relating  to these  compounds.  Under this
agreement,  the Company  will pay 2% of net sales  proceeds  of Ampligen  not to
exceed an aggregate amount of $6 million per year through 2005.

As described in Note 8, the Company has agreed to pay royalties under the Temple
Agreement and to its supplier of raw materials.

The Company has contractual agreements with three of its officers. The aggregate
annual base compensation under these contractual agreements for 1995, 1996, 1997
is $540,000,  $589,552 and $611,678 respectively.  In addition, certain of these
officers are entitled to receive  performance bonuses of up to 25% of the annual
base salary (in addition to the bonuses described below). In 1997 no performance
bonuses were granted.  Pursuant to the employment  agreements,  certain officers
were granted  options  under the 1990 Stock Option Plan to purchase an aggregate
of 82,942 shares of the Company's  Common Stock at exercise  prices ranging from
$2.72-$4.34 and Rule 701 Warrants to purchase  2,080,000  shares of Common Stock
at $3.50 per share. One of the employment  agreements provides for bonuses based
on gross  proceeds  received by the Company from any joint  venture or corporate
partnering agreement.

In October 1994, the Company  entered into a licensing  agreement with Bioclones
(Propriety) Limited (SAB/Bioclones) with respect to codevelopment of various RNA
drugs,  including Ampligen,  for a period ending three years from the expiration
of the last licensed patents.  The licensing  agreement  provides  SAB/Bioclones
with an  exclusive  manufacturing  and  marketing  license for certain  southern
hemisphere countries  (including certain countries in South America,  Africa and
Australia) as well as the United  Kingdom and Ireland (the licensed  territory).
In  exchange  for  these  marketing  and  manufacturing  rights,  the  licensing
agreement  provides  for: (a) a $3 million  cash payment to the Company,  all of
which was recorded  during the year ended  December 31, 1995;  (b) the formation
and issuance to the Company of 24.9% of the capital stock of Ribotech, a company
which develops and operates a new manufacturing  facility by SAB/Bioclones,  and
(c) royalties of 6% to 8% of net sales of the licensed  products in the licensed
territories as defined, after the first $50 million of sales. SAB/Bioclones will
be granted a right of first  refusal to  manufacture  and supply to the  Company
licensed  products  for not less  than  one  third  of its  world-wide  sales of
Ampligen, excluding SAB/Bioclones related sales. In addition, SAB/Bioclones will
have the right of first refusal for oral vaccines in the licensed territory.  In
1996 and 1997,  the Company  paid  Ribotech a total of $143,549 for the purchase
and delivery of polymers.

In October  1994,  the Board of Directors  granted a director of the Company the
right to receive 3% of gross  proceeds  of any  licensing  fees  received by the
Company pursuant to the SAB licensing agreement, a fee of .75% of gross proceeds
in the event that SAB makes a tender offer for all or  substantially  all of the
Company's assets, including a merger, acquisition or related transaction,  and a
fee of 1% on all  products  manufactured  by SAB. The Company may prepay in full
its obligation to provide commissions within a ten year period.

In December,  1995, the Company  retained the law firm of Akin,  Gump,  Strauss,
Hauer & Feld,  L.L.P.  (Akin-Gump) to provide general legal counsel,  advise and
representation  with  respect  to various  United  States  regulatory  agencies,
primarily the Food and Drug  Administration  (FDA).  This  agreement  expired in
August,  1997.  In  September,  1997,  the  Company  acknowledged  a  contingent
liability  of $147,000 to  Akin-Gump  for certain fees billed and not covered by
the agreement.  These fees are due Akin-Gump if and only if the Company achieves
regulatory approval of Ampligen in the future.


                                      F-18
<PAGE>

(11) Leases

The Company has several  noncancelable  operating  leases for the space in which
its principal offices are located and certain office equipment.

Future  minimum  lease  payments  under  noncancelable  operating  leases are as
follows:

         Year ending                                    Operating
         December 31,                                    leases
         -----------                                    --------
         1998.......................................    $280,413
         1999.......................................     292,146
         2000.......................................      91,517
                                                        --------
            Total minimum lease payments............    $664,076
                                                        ========

Rent expense  charged to operations for the years ended December 31, 1995,  1996
and 1997 amounted to approximately $289,000, $286,000 and $292,000 respectively.

On February 20, 1996,  the Company  entered into an agreement to amend the lease
for its  principal  office.  For a payment of $85,000 all  outstanding  rent and
charges  accrued  through  December 31, 1995 were forgiven by the landlord.  The
term of the lease was  extended  through  April 30, 2000 with an average rent of
$14,507  per  month,  plus  applicable  taxes  and  charges.  As  result of this
settlement  and the  amended  lease  the  Company  recorded  a  $318,757  credit
adjustment in earnings in 1996 due to the reduction in accrued and deferred rent
liabilities.   The  credit  is   reflected   as  a  reduction   of  general  and
administrative expenses.

(12) Income Taxes

At December 31, 1997, the Company had available net operating loss carryforwards
of  approximately  $50 million for Federal income tax purposes which expire over
various years through 2013. In addition,  for Federal  income tax purposes,  the
Company  has  approximately  $6,900 of  unused  investment  and job tax  credits
available to offset future taxes, if any, expiring 1998 and 1999.

The expiration dates of the net operating loss carryforwards are as follows:

                                                      Tax loss
         Expiration                                 carryforwards
         date                                          (000)'S
         ----                                       ------------
         1999.......................................  $     131
         2003.......................................      1,774
         2004.......................................      5,403
         2005.......................................      3,534
         2006.......................................      8,749
         Thereafter.................................     30,429
                                                      ---------
                                                      $  50,020
                                                      =========
                                                     
If certain  substantial  changes in  ownership  should  occur  there would be an
annual  limitation  on the amount of tax  attribute  carryforwards  which can be
utilized in the future.

The Company has provided a full valuation  allowance against all of its deferred
tax assets.


                                      F-19
<PAGE>

(13) Contingencies

The Company was a defendant in a lawsuit instituted in 1991 by participants in a
double-blind  placebo-controlled  clinical trial of Ampligen therapy for ME/CFS.
The plaintiffs alleged that the Company or its alleged agents promised them that
they would receive  Ampligen after the  placebo-controlled  study at no cost for
periods  ranging  from  "until  marketable"  to "for  life."  Plaintiffs  sought
compensatory and punitive  damages.  The court granted the Company's motions for
summary  judgment upon all claims  alleged by the  plaintiffs in this case.  The
plaintiffs  have appealed these orders before the United States Court of Appeals
for the Ninth Circuit. In January 1996, the Court of Appeals denied their appeal
and  sustained  the  Company's  position.  On the basis of the Court of  Appeals
favorable  decision,  the Company  believes the lawsuit will not have a material
effect on the Company.

In August 1988, the Company entered into a pharmaceutical  use license agreement
with Temple  University.  Under the terms of the  agreement,  Temple granted the
Company  an  exclusive  world-wide  license  for the  commercial  sale of Oragen
products using patents and related  technology  held by Temple until the last to
expire of any related patents then or thereafter  issued.  In July 1994,  Temple
terminated  the  agreement.  In  November,1994,  the Company  filed suit against
Temple in the  Superior  Court of the state of  Delaware  seeking a  declaratory
judgement that the agreement was  unlawfully  terminated by temple and therefore
remained  in full force and effect.  Temple  filed a separate  suit  against the
Company seeking a declaratory  judgement that its agreement with the Company was
properly  terminated.  In December,  1996,  these legal actions were terminated.
Under the  settlement,  the parties have entered into a new  pharmaceutical  use
license  agreement that is equivalent to the original  agreement in duration and
scope.

In March 1995, the Company instituted a declaratory  judgment action against the
February 1992 noteholder of a $5 million convertible note and a second defendant
in the United  State  District  Court for the Eastern  District of  Pennsylvania
("the  Pennsylvania  action")  to  declare as void,  set  aside,  and cancel the
February  1992  convertible  note between the Company and the  noteholder  ("the
Note"). In addition,  the noteholder  instituted suit against the Company on the
Note in the Circuit  Court of the 15th  Judicial  District in and for Palm Beach
County,  Florida,  seeking  judgment on the note, plus attorneys fees, costs and
expenses;  in August 1995,  this action was stayed by the Florida  Court pending
the outcome of the Pennsylvania action. The noteholder also filed a motion for a
preliminary  injunction  in the  Pennsylvania  court to enjoin the Company  from
disbursing  the  proceeds of a public  offering  in the amount of $5.8  million,
which motion was granted in November,  1995.  On February 15, 1996,  the Company
reached  an  agreement  to  settle  this  matter.  Terms and  conditions  of the
settlement  include  payment of $6,450,000  to the  noteholder to cover the note
balance and legal  expenses.  The noteholder and related parties are to maintain
certain Warrants that were granted prior to the lawsuit.  Other Warrants granted
to the noteholder in the note restructuring in 1994 were relinquished. The funds
under  this  settlement  were paid on March  21,  1996 and  charged  to the note
payable,  accrued interest and accrued  professional  fees. Mutual releases were
executed which completed the settlement of the litigation.

The Company is subject to claims and legal  actions  that arise in the  ordinary
course of their business.  Management believes that the ultimate  liability,  if
any,  with  respect to these  claims and legal  actions will not have a material
effect on the financial position or results of operations of the Company.


                                      F-20
<PAGE>

(14) Subsequent Events

On February 9, 1998,  the Company  entered into an agreement  with Kimberly Home
Health Care,  Inc.,  d/b/a  Olsten  Health  Services  (Olsten).  This  agreement
appoints  Olsten as a distributor of products to U.S.  patients  enrolled in the
CFS cost recovery  protocol  (AMP-511).  Olsten agreed to purchase  Ampligen for
treating these patients. In addition, Olsten agreed to provide up to $500,000 of
support for other  clinical  trial  efforts.  The Company  agreed to  compensate
Olsten for certain services in connection with conducting clinical trials.


                                      F-21



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