HEMISPHERX BIOPHARMA INC
10-K, 1999-03-10
DRUGS, PROPRIETARIES & DRUGGISTS' SUNDRIES
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                                 FORM 10-K
                    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, 1998

                                    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, 1998 was $130,309,910. For purposes of this calculation, it was assumed that
all  Common  Stock is  valued at the  closing  price of the stock as of March 5,
1999.

The number of shares of the registrant's Common Stock outstanding as of December
31, 1998 was 26,162,040.

                     DOCUMENTS INCORPORATED BY REFERENCE

Registrant's  definitive  Proxy  Statement which will be filed on or before July
15,  1999  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).


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<PAGE>

                                     PART I

ITEM 1.  Business

General

Hemispherx Biopharma,  Inc. ("the Company") is a biopharmaceutical  company that
focuses on the  development  of nucleic acids to enhance the natural  anti-viral
defense systems of the human body. The Company's lead product,  Ampligen(R),  is
presently  undergoing  clinical  trials in the United  States and Europe for the
treatment of Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS).

In 1998, the Company moved forward in the development of Ampligen(R)  regulatory
approval  and  commercial  application  in the United  States and  Europe.  Some
significant events include:

o     The FDA authorized the expansion of the Myalgic  Encephalomyelitis/Chronic
      Fatigue  Syndrome  (ME/CFS) Cost Recovery  Treatment  Program in the first
      quarter of 1998.

o     In early spring 1998,  the Company  entered into a research  collaboration
      agreement with R.E.D.  Laboratories,  a Belgium  company  dedicated to the
      development and commercialization of CFS diagnostics. R.E.D. has developed
      a new test,  designated  REDD,  that  appears to  identify a subset of CFS
      patients who are severely ill with ME/CFS disorders.  The Company plans to
      utilize the test in the United States on a research basis.

o     In February 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 ME/CFS cost  recovery  treatment  program (AMP 511).  Olsten agreed to
      provide  initially  up to  $500,000 of support  for other  clinical  trial
      efforts  including  identification  of medical  and  economic  benefits to
      patients  receiving  Ampligen(R).  The Company agreed to compensate Olsten
      for certain services in connection with conducting clinical trials.

o     In the second  quarter of 1998, the Company  initiated the  recruitment of
      clinical   investigators   and  ME/CFS  patients  to  participate  in  the
      confirmatory Phase III confirmatory  placebo-controlled  clinical study of
      Ampligen(R)in the treatment of persons suffering from ME/CFS.  The Company
      has a target  of  eventually  enrolling  230  patients  with the  severely
      debilitating  form of ME/CFS.  As of August 3, 1998, the Company had begun


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<PAGE>

      enrollment of a significant  number of subjects into the  pre-clinical  or
      baseline phase of the study.

o     The Company has entered research agreements with LabCorp., a subsidiary of
      Laboratory  Corporation of America (NYSE/LH),  Workwell  Corporation,  and
      Medical   Graphics   Corporation   (NASD:MGCC)  to  provide  high  quality
      diagnostic  data  during  the  Phase III  study.  LabCorp  will  carry out
      laboratory  diagnostics tests on samples sent from clinical trial sites to
      its  location in Raritan,  NJ.  Workwell  will  monitor  treadmill  oxygen
      consumption  at each clinical trial center using systems  manufactured  by
      Medical Graphics  Corporation.  Testing for a specific  biochemical marker
      (RNase L) will be done by R.E.D.  Laboratories,  an affiliated company, in
      Brussels.

o     A liquid formulation process for Ampligen was initiated at Cook Imaging, a
      major  U.S.-based  facility for  preparing  large volume  parenteral  drug
      products under GMP ("Good Manufacturing Practice"). This liquid process is
      more  efficient  and allows for greater  volume  manufacturing  production
      needed to meet  projected  requirements.  Results with the product  liquid
      format to date have been encouraging with respect to product stability and
      ease of handling.  The liquid  formulation format also eliminates the need
      for a major pharmacy function nearby the clinical treatment site.

o     The  Company  completed  six (6)  months  of  accelerated  and  long  term
      stability  studies  on the liquid  formulation  product  produced  by Cook
      Imaging. These stability studies on liquid formulated product are required
      by the FDA. In December, 1998 the Company started treating ME/CFS patients
      in the United States with the liquid formulation.

o     Incorporation  papers were filed and processed in Belgium to incorporate a
      wholly owned  subsidiary named  Hemispherx  Biopharma Europe NV/S.A.  This
      European  subsidiary is based in Antwerp to serve the needs of the Company
      in pursuing  ME/CFS clinical tests,  related  clinical  treatments and new
      drug  marketing  approval in Belgium and other European  (European  Union)
      countries.  The  Company  has  engaged  the  services  of  several  senior
      executives and leading medical experts to pursue this task.

o     The Company's foreign subsidiary,  Hemispherx Biopharma Europe,  sponsored
      an international CFS Research Symposium in Rome, Italy in November,  1998.
      This  meeting  focused  on  new  developments  in  diagnosis  and  medical
      management of CFS.  Physicians and Researchers from more than fifteen (15)


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<PAGE>

      countries attended.

o     The Company  continued to increase the in-house  clinical,  regulatory and
      biostatistical  expertise  necessary  to direct and support  the  clinical
      programs underway.  A Director of Clinical Operations was recruited from a
      major multinational, independent clinical research organization to oversee
      the Company's  clinical activity.  Prior to his recruitment,  these duties
      were performed by the Medical  Director with  assistance from the clinical
      research  associate (CRA) staff of the Company and its strategic  partner,
      Olsten Health Care.

o     R.E.D. Laboratories of Brussels,  Belgium reported significant progress in
      developing a diagnostic test for ME/CFS.  The testing platform is based on
      the  measurement  of an abnormal form of the protein RNase L, an antiviral
      enzyme  found in the white  blood  cells of CFS  patients.  This  abnormal
      enzyme was first  discovered in 1996 by researchers  at Temple  University
      who have been actively  collaborating with the Company's  scientists for a
      number  of  years.  Initial  research  data  indicates  a high  degree  of
      correlation  between levels of the enzyme and the severity of the disease.
      These results,  along with treating  ME/CFS  patients with Ampligen,  were
      discussed  in  detail  at  the  American  Association  of CFS  Meeting  in
      Cambridge, Massachusetts, October, 1998.

o     Completed  and filed a full  marketing  application  for  approval  in the
      European Union in December, 1998.

o     Approved the spin-off of Core Biotech Corp., a wholly owned subsidiary, to
      the shareholders.  Core Biotech intends to pursue therapeutic projects for
      the treatment of various viral diseases of the liver.

Hemispherx Biopharma, Inc. has conducted research in the biopharmaceutical field
for some 25 years  primarily  working  with  nucleic  acid  polymers  that  have
specifically configured base pairs. The Company's lead compound, Ampligen(R), is
a type of double stranded  Ribonucleic  Acid (RNA).  Over the years, the Company
has  developed  a large body of  knowledge  in the  development  and  testing of
therapeutic  product brand of nucleic acid  technologies.  Ampligen(R)  has been
clinically  evaluated  as an  investigational  drug in  over  350  patients  for
different  therapeutic  indications.  The clinical profile that is emerging from
these  studies  is  that  the  drug  has  broad-spectrum  antiviral  and  immune
modulatory activity and is generally well tolerated.


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<PAGE>

Over the years, the Company has secured a significant  patent estate  consisting
of 24 patents  issued in the United States and over 300  international  filings.
These patents  primarily cover the Company's  technology  platform that involves
nucleic  acid  polymers  that  have  specifically  configured  base  pairs.  The
Company's  policy  is to file  or  license  existing  patent  applications  on a
worldwide  basis to protect  technology  and  improvements  that are  considered
important in the development of the Company's business.

Ampligen is being  developed  clinically  for use in treating  three  anti-viral
indications:  myalgic encephalomyelitis,  also known as chronic fatigue syndrome
("ME/CFS"),   chronic   hepatitis   B  virus   ("HBV")   infection,   and  human
immunodeficiency  virus  ("HIV")  associated  disorders.  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 is currently  conducting  several  clinical  trials to determine the
efficacy of Ampligen(R) for the treatment of ME/CFS.  A confirmatory  Phase III,
randomized,  double-blind  clinical trial is underway in the United States and a
Phase II/III open-label study is being conducted in Belgium.  In addition to the
confirmatory  Phase III clinical trial in the United  States,  the Food and Drug
Administration  (FDA) has  approved  the  enrollment  of ME/CFS  patients in the
confirmatory  cost recovery  treatment  program.  Patients  enrolled in the cost
recovery treatment program reimburse the Company for the cost of the drug.

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.


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<PAGE>

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.

The  Company  has  focused  on the  treatment  of  diseases  for which  adequate
treatment is not available  and for which the  antiviral  and  immunostimulatory
properties of  Ampligen(R)  may be  beneficial.  Such diseases  include  ME/CFS,
Hepatitis, HIV and certain cancers. In recent years, the understanding of ME/CFS
has grown substantially. The Center for Disease Control (CDC) estimates that the
prevalence  rate of this  disease in the  United  States is in excess of 500,000
cases. Other medical researchers were reporting evidence that ME/CFS was related
to viral infection and immune system  disorders.  These findings led the Company
to focus on pursuing the clinical  development  of  Ampligen(R)  for  regulatory
approval to use in the treatment of those people afflicted with ME/CFS.

As an  emerging  biopharmaceutical  Company,  Hemispherx  depends  on  accessing
external resources for  manufacturing,  distribution and research & development.
The Company  currently has working  relationships  with  Bioclones  Proprietary,
Ltd., Cook Imaging,  Upjohn/Pharmacia,  Hahnemann University, Temple University,
Olsten  Health  Care,  as  well  as  research  &  development   sponsorships  or
collaborations with other academic institutions.

Product Development

In the first quarter of 1998,  the FDA  authorized  expansion of the ME/CFS cost
recovery  treatment program  consisting of an open-label study using Ampligen in
the treatment of patients with severely debilitating ME/CFS. This open treatment
protocol with cost recovery has been ongoing since  mid-1997  under the auspices
of the FDA.  Under this  protocol,  the  enrolled  patients pay for the Ampligen
administered  which totals about $7,200 for a 24 week  treatment  course.  Fifty
(50) patients with severe forms of CFS/ME have been authorized for treatment.


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<PAGE>

In the second quarter of 1998, the Company initiated the recruitment of clinical
investigators  and ME/CFS patients to participate in the confirmatory  Phase III
placebo-controlled  clinical  study of  Ampligen  in the  treatment  of  persons
suffering   from   ME/CFS.    This   study   a    multi-center,    double-blind,
placebo-controlled  clinical  trial of the  efficacy  and safety of  Ampligen in
treating patients with severely debilitating ME/CFS. The Company has a target of
eventually enrolling 230 patients with the severely debilitating form of ME/CFS.
In August,  1998,  the Company  started  the  enrollment  of  subjects  into the
pre-clinical or baseline phase of the study.  As of February,  1999, the Company
has engaged the clinical  services of six (6) investigators in various locations
across the United  States with more than 56  patients in the  baseline or active
treatment phase of the study.

LabCorp., a subsidiary of Laboratory Corporation of America (NYSE/LH),  Workwell
Corporation,  and Medical Graphics Corporation  (NASD:MGCC) have been engaged to
provide high  quality  diagnostic  data during the ME/CFS Phase III study.  Test
samples will be sent from  clinical  trial sites located  throughout  the United
States  to  Raritan,  NJ  for  laboratory  diagnostics.  Workwell  will  monitor
treadmill  oxygen  consumption  at each  clinical  trial  center  using  systems
manufactured by Medical Graphics Corporation.  R.E.D. Labs will be supplied with
samples for testing for a specific  biochemical marker (RNase L). These clinical
research  partners will help provide  scientifically  valid and quality  assured
Phase III data.

As of year end, 1998,  more than 70 patients were either being treated or in the
follow-up  phase of a Belgium  ME/CFS  cost  recovery  treatment  program.  This
program was authorized by the Belgium authorities and initiated in 1994.

The Company has committed to a major collaboration with R.E.D.  Laboratories,  a
newly formed Belgian company focused on the development and commercialization of
diagnostic  markers for  ME/CFS,  based on new  scientific  insights of research
teams in Belgium and  France.  Because of the  multiple  symptoms  and  clinical
presentations  of the  disease,  ME/CFS  diagnosis  can be  time  consuming  and
expensive.  It is believed the new R.E.D. diagnostic test may identify up to 92%
of CFS/ME patients by recognizing a gene defect caused by the disease.  The test
may enable doctors to more quickly  identify CFS/ME patients and start immediate
medication  to assure a positive  medical  outcome  for the patient as well as a
cost-effective solution for the health-care provider. Hemispherx owns a minority
interest in R.E.D. Laboratories.

The Company  has and will  continue to  evaluate  complimentary  technology  and


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<PAGE>

businesses for possibly acquiring licensing rights and/or investment.

Manufacturing

A liquid formulation process for Ampligen was initiated at Cook Imaging, a major
U.S.-based  facility for preparing  large volume  parenteral drug products under
GMP ("Good Manufacturing  Practice").  This liquid process is more efficient and
allows for greater  volume  manufacturing  production  needed to meet  projected
requirements.  The new  process  allows  the  Company to ship ready to use doses
directly  from  the  Company's   manufacturing/quality   assurance  facility  in
Rockville,  Maryland to various clinical locations around the country. Extensive
testing in various laboratories (under direction of the Company's scientists) of
the ready to use liquid form of Ampligen has  revealed it to be stable,  without
the use of preservatives,  under  refrigerated  conditions while preserving full
potency.  The  results of the  stability  and all  bio-equivalency  tests on the
ready-to-use  liquid form of  Ampligen  were  submitted  to FDA during the third
quarter of 1998.

In October,  1998, the Company  started  treating  ME/CFS patients in the United
States  with the new ready to use  liquid  Ampligen  dose  format.  Prior to the
development of the ready to use liquid form,  Ampligen was supplied  either as a
freeze-dried  powder or in a frozen  format to the  clinical  sites where it was
stored in a special frost free  freezer.  Thereafter,  clinical  site  personnel
(nurses/physicians) were required to thaw, heat and cool the frozen product in a
water  bath just  prior to drug  administration  according  to a  detailed  drug
reconstitution  protocol. In the alternative,  hospital pharmacies were required
to combine up to 8 small vials each consisting of 50 mg freeze dried powder into
a final dosage unit by use of special sterilized environments including use of a
laminar flow hood.  These  time-consuming  steps are no longer required with the
use of the ready to use liquid format of Ampligen. Thus, the availability of the
ready to use liquid format of Ampligen offers multiple  conveniences  related to
storage and  administration  while  reducing  the chance of  potential  mistakes
occurring  during  drug  preparation  at  various  locations  removed  from  the
Company's  manufacturing  facility or from  hospital  facilities  with  advanced
capacity to handle  parenteral  products,  including the availability of laminar
flow hoods.

Ribotech,  Ltd.  currently  produces  the majority of the  biochemicals  for the
production of the Company's lyophilized product and has also initiated a program
to produce the liquid dose product.  Ribotech  announced the completion of their
first pilot run of liquid doses in the third  quarter of 1998.  The liquid doses
produced in this run are currently  undergoing  extensive testing.  Five lots of


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Ampligen were produced in the third quarter by the Company  utilizing U.S. based
facilities.  The Company  used these five lots to produce  nearly 1,000 doses of
lyophilized product and over 3,000 doses of liquid product.  These doses will be
used in the ME/CFS  Cost  Recovery  Clinical  Treatment  Programs as well as the
confirmatory  Phase III ME/CFS  clinical  trials.  The Company is also  actively
evaluating new manufacturing locations in Western and Eastern Europe in order to
provide similar  diversity in Ampligen product formats (liquid vs.  lyophilized)
similar to its U.S.-based programs.

Europe

Hemispherx  Biopharma  Europe  NV/SA was  formed in  Belgium  as a wholly  owned
subsidiary of the Company. This operation is based in Antwerp to serve the needs
of the Company in pursuing ME/CFS clinical trials,  related clinical  treatments
and new drug marketing  approval in Belgium and other European Union  countries.
The Company has engaged several  European senior  executives and medical experts
to pursue these tasks.

The new drug application was filed in December 1998 for approval of Ampligen for
the treatment of ME/CFS in the European  Union.  In February,  1999, the Company
was  notified  that the  application  has cleared the first stage of  regulatory
review by being designated  "Complete" by the European Medical Evaluation Agency
(EMEA).  This  designation  indicates  that  the  extensive  data  and  analysis
submitted in support of the  application  are sufficient for the  application to
proceed to the advanced stages of the review process.

The  Company  has  committed  itself  to  a  major   collaboration  with  R.E.D.
Laboratories,  a newly formed Belgian  company  focused on the  development  and
commercialization  of  diagnostic  markers for ME/CFS,  based on new  scientific
insights of research  teams in Belgium and France.  The Company  owns a minority
interest in R.E.D.  Laboratories.  It is believed the new R.E.D. diagnostic test
may identify up to 92% of CFS/ME patients by recognizing a gene defect caused by
the disease. The test may enable doctors to quickly identify CFS/ME patients and
start immediate  medication to assure a positive medical outcome for the patient
as well as a cost-effective solution for the health-care provider.

Marketing/Distribution

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,


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the Company expects that,  subject to receipt of regulatory  approval,  Ampligen
will be utilized in three medical arenas:  physicians'  offices or clinics,  the
hospital and the home treatment  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 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
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.  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. 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.

Spin-Off of Subsidiary

The Board of Directors has  authorized the  distribution  of at least 80% of the
issued and  outstanding  shares of common  stock of Core  Biotech  Corp.  ("Core
Biotech"),  a  wholly-owned  subsidiary,  to the  Company's  shareholders.  Core
Biotech was incorporated in the State of Delaware in 1994.

Core Biotech intends to use genetic technologies to develop therapeutic products
for the treatment of viral hepatitis diseases. Genetic compounds represent a new
class of pharmaceutical products that are designed to act at the molecular level
for the  treatment of viral  disease.  Hemispherx  will license or sublicense to


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<PAGE>

Core Biotech the  technology for the products that will be used by Core Biotech.
The Company believes that the spin-off of Core Biotech will, among other things,
(i) provide  Core  Biotech  with the  opportunity  to obtain  greater  access to
capital to finance its business,  including  research and  development  efforts;
(ii) permit Core Biotech to focus  exclusively  on the  development of a product
line that has not received  sufficient  attention from Hemispherx because of the
other drug  development  efforts of  Hemispherx;  (iii)  improve  the  near-term
earnings  of  Hemispherx  by  eliminating  from  the  Hemispherx's   results  of
operations the expenses  associated  with  developing  Core Biotech's  hepatitis
treatment  technologies;  (iv)  enhance the ability of Core  Biotech to attract,
retain and motivate its employees by offering  economic  incentives  and rewards
tied more directly to Core  Biotech's  performance;  (v)  ultimately  permit the
management  teams of  Hemispherx  and Core Biotech to focus on their  respective
core businesses  without regard to the corporate  objectives and policies of the
other company;  and (vi) permit the financial  community to focus  separately on
the Company and Core Biotech and their respective business opportunities.

The planned  spin-off  contemplates  one share of Core Biotech  common stock for
every six shares of the Company's common stock.

In  connection  with the planned  spin-off,  the Company will enter into certain
agreements  with Core Biotech,  including,  but not limited to, (i) a separation
and  distribution  agreement,  providing  for,  among other things,  the planned
spin-off  and the  division  between us and Core  Biotech of certain  assets and
liabilities; (ii) a tax allocation agreement, pursuant to which Core Biotech and
the Company  will agree to allocate tax  liabilities  that relate to the planned
spin-off and to periods prior to the spin-off date; (iii) a services  agreement,
providing for certain  allocations of  responsibilities  with respect to various
services  to be  provided  by the  Company  to Core  Biotech;  (iv) an  employee
benefits agreement;  (v) a technology license agreement; and (vi) a research and
development  agreement.  These  agreements are in the  development  stage and no
final   determination  as  to  structure  has  been  made.   Further,  no  final
determination has been made with respect to capitalization,  pro forma financial
information,  management and  intercompany  transactions.  The timetable for the
planned  spin-off is as soon as practicable  based on financing,  staffing,  and
certain market conditions.

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


                                       11
<PAGE>

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  $9.6  million  in  research  and
development,  of which $4.6 million was expended in the year ended  December 31,
1998.

As of December  31, 1998,  the Company had $13.6  million in cash and short term
investments  of which $5 million is  earmarked  for Core  Biotech.  Based on its
current operating plan, the Company expects that the remaining $8.6 million plus
anticipated  receipt of revenues from the cost recovery treatment  protocols and
interest  income  on  unused  funds  will be  sufficient  to meet the  Company's
operating requirements well into 2000. In addition, the Company expects proceeds
in the form of equity from the exercise of  shareholder  warrants.  In 1998, the
Company received $8.8 million in equity from shareholders  exercising  warrants.
The amount of additional funding required,  if any, will depend on the timing of
regulatory approval and commercialization of Ampligen.

Accordingly,   the  Company  may  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.  Were adequate funds not available from operations
and were the  Company  not able to secure  additional  sources of  financing  on
acceptable terms, the Company's business would be materially adversely affected.

In  September,  1998,  the Company  raised an aggregate of  $2,250,000  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.

Research and Development/Collaborative Agreements

The Company has formed a  strategic  alliance  with  Bioclones  Proprietary  for
manufacturing and international  market  development in Africa,  Australia,  New
Zealand,  Tasmania,  the United Kingdom,  Ireland and certain countries in South
Africa,  of  Ampligen(R)  and  Oragen(TM).  Bioclones  is to  pursue  regulatory
approval in the areas of its  franchise and to conduct phase III Hepatitis B and
Hepatitis C 


                                       12
<PAGE>

clinical trials in South Africa and Australia.

Bioclones  has been given the first  right to refusal,  subject to  pricing,  to
manufacture at least  one-third of the worldwide  sales  requirement of Ampligen
and other nucleic acid-derived drugs. Pursuant to this arrangement,  the Company
received  access  to  worldwide  markets  and   commercial-scale   manufacturing
resources,  as  well  as a $3  million  cash  payment  from  Bioclones,  a 24.9%
ownership in a company set up by Bioclones to develop and manufacture RNA drugs,
and royalties of 8% on Bioclones nucleic acid-derived drug sales in the licensed
territories.

In the United States,  the Company has contracted Olsten Health Care Services to
handle marketing and distribution of Ampligen in the U.S. to patients  suffering
from  ME/CFS  in the  cost  recovery  treatment  program.  Olsten  is one of the
nation's  largest home health care companies  with over 600 offices  nationwide.
Pursuant  to  the  agreement,   Olsten  will  be   responsible   for  marketing,
distribution,  billing and  collecting.  Through  this  arrangement,  Hemispherx
avoids  the   necessity  of  incurring   significant   up-front   marketing  and
distribution costs.

The  Company  acquired a series of patents on  Oragen(TM),  potentially  an oral
broad spectrum antiviral,  through a licensing agreement with Temple University.
The Company  was  granted an  exclusive  worldwide  license  from Temple for the
Oragen(TM)  products.  Pursuant to the arrangement,  the Company is obligated to
pay  royalties  of 2% to 4% on  sales  of  Oragen(TM),  depending  on  how  much
technological  assistance  is required of Temple.  The  Company  currently  pays
minimum royalties of $30,000 per year to Temple.

Competition

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 therapeutic  product  candidates for treating certain
viral diseases including cytomegalovirus  retinitis, HIV and Hepatitis B. Gilead
reports that they have investigational drug products in Phase II clinical trials
for treating Hepatitis B and Phase II/III for treating HIV.


                                       13
<PAGE>

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.  Isis  currently  has one  product,
Vitravene,  a treatment for CMV Retinitis in AIDS  patients,  which has achieved
limited  market  acceptance  in  a  small  commercial  market  with  significant
competition.  Isis reports that most of their  resources are being  dedicated to
applying molecular biology and medicinal  chemistry to discovery and development
of drug candidates based upon antisense technology.

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.

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  


                                       14
<PAGE>

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.

Human Resources

The Company had 45  employees  as of February 15, 1999 of which 21 are full time
and 24 are utilized on a part-time basis. Such parties are paid on a per diem or
monthly  basis.  Twenty-six  (26) of the 45 persons are engaged in the Company's
research,   development,   clinical,   manufacturing   effort,   including  five
individuals in Europe. Nineteen (19) perform regulatory, general administration,
data  processing,  including  biostatistics,  financial  and investor  relations
functions.  The  Company  believes  that  this  arrangement  provides  the  most
efficient  approach to drug development at this point in time. While the Company
has been successful in attracting skilled and experienced  scientific personnel,
there can be no assurance that the Company will be able to attract or retain the
necessary qualified employees and/or consultants in the future.

Recent Developments

On February 19, 1999, the Board of Directors  authorized the repurchase of up to
200,000  shares of the  Company's  common  stock on the open  market or  through
private  transactions  through  April  1,  1999.  The  repurchased  shares  will
eventually be used for acquisitions or other purposes.


                                       15
<PAGE>

Executive Officers

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

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

William A. Carter, 
  M.D., FACP           60        Chairman, Chief      HEM Pharmaceuticals Corp.
                                 Executive Officer,   (the predecessor company)
                                 President            since 1978.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             61        Chief Financial      Vice President of Omni 
                                 Officer              Group, 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, 
                                 Manufacturing and    Inc., '89-91, 
                                 Process              Scientist/Quality 
                                 Development          Assurance Officer.

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

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 Faculte de Droit, 
                                                      Paris Sorbonne.  Business
                                                      Administration degree from
                                                      Ecols des Hautes Etudes 
                                                      Commerciales, Paris


                                       16
<PAGE>

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

William Mitchell, 
  M.D., Ph.D.          63        Director             Professor of Pathology at
                                                      Vanderbilt University 
                                                      School of Medicine.  MD 
                                                      from Vanderbilt 
                                                      University. Ph.D. from 
                                                      Johns Hopkins University, 
                                                      and Fellowships at Johns 
                                                      Hopkins University and the
                                                      University of Lausanne as 
                                                      an Eleanor Roosevelt
                                                      International Cancer 
                                                      Scholar. Published over 
                                                      200 papers dealing with 
                                                      viruses and anti-viral
                                                      drugs. Consultant to the 
                                                      National Institutes of 
                                                      Health including service 
                                                      on the AIDS and Related
                                                      Research Review Group.  
                                                      Served as a director of 
                                                      the Company from 1987 to 
                                                      1989.

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

Sharon Will            40        Vice President,      Registered sales 
                                 Corporate            representative, Worldwide
                                 Communications       Marketing Inc. (a 
                                                      manufacturer's
                                                      representative), private 
                                                      venture capitalist.

Ransom Etheridge       58        Director             Attorney specializing in
                                                      commercial and 
                                                      transactional law. A 
                                                      Judicial Remedies Award
                                                      Scholar. Served as 
                                                      President of the Tidewater
                                                      Arthritis Foundation. 
                                                      Graduate of Duke 
                                                      University, the Wharton 
                                                      School of Business Real 
                                                      Estate Investment
                                                      Analysis Seminar, and the
                                                      University of Richmond 
                                                      School of Law.


                                       17
<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 1999, 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
1999,  although no assurance can be given that this will occur.  The Company has
no obligation to fund this construction.

ITEM 3.  Legal Proceedings

On September 14, 1998,  VMW, Inc.  filed a complaint  against the Company in the
United  States  District  Court,  Southern  Division of New York,  The complaint
alleges that the Company  failed to fulfill its  financial  obligations  to VMW,
Inc. with respect to a certain letter agreement pertaining to marketing services
rendered.   VMW,  Inc.  claims  damages  of  less  than  $100,000.  The  Company
counterclaimed  alleging breach of contract by VMW and have demanded  damages of
approximately  $25,000. This case is currently in the discovery phase. We do not
believe  that the  complaint  will  have a  material  effect on the  results  of
operations or financial position of the Company.

Ell & Co., and the Northern Trust Company, as Trustee of the AT&T Master Pension
Trust  filed a  complaint  against  the  Company in the Court of Chancery of the
State of Delaware  in and for New Castle  County on  September  23,  1998.  This
complaint  alleges that the Company breeched its contractual  obligations as set
forth in the Certificate of Powers, Designations,  Preferences and Rights of the
Series E Convertible Stock. The Plaintiff seeks to enforce its rights to convert
1,500 


                                       18
<PAGE>

shares of Series E Preferred  Stock into 750,000  shares of freely traded common
stock and to recover  damages for its inability to convert the  preferred  stock
when it requested to do so. The Company does not believe that the complaint will
have a material effect on the results of operations or financial position of the
Company.  Although  the  Company  maintains  that the  1,500  shares of Series E
Preferred Stock had been properly redeemed and, therefore, the plaintiff was not
contractually able to effect a proper conversion into common shares, the Company
agreed in December,  1998 to convert the  plaintiffs  preferred  stock to common
stock. Currently the claim is still in litigation.

The Company filed a complaint against Manual P. Asensio, Asensio & Company, Inc.
and others in the United  States  District  Court for the  Eastern  District  of
Pennsylvania   on  September  30,  1998.   The  Company   alleges  the  unlawful
manipulation  and short selling by  defendants of the Company's  common stock on
the American Stock Exchange on or about  September 15, 1998 through the present.
The  Company  alleges,  among  other  things,  that the  defendants  distributed
materially  false  information  concerning  Hemispherx  to the  public,  thereby
damaging the Company and its shareholder equity. Certain defendants have entered
motions to  dismiss  all or part of the case.  The  discovery  process  has been
suspended pending disposition of the dismissal motions.

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

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.

In July,  1998,  the Company's  common stock and Class A warrants were listed on
the Berlin Stock  Exchange.  The shares and warrants trade under the symbols HXB
and HXBA respectively.


                                       19
<PAGE>

The following table sets forth the high and low list prices for the Common Stock
and the Warrant  for the periods  indicated  as reported by the  American  Stock
Exchange.  Such  prices  may  reflect  mark  downs  or  commissions  and may not
necessarily  represent actual  transactions.  Beginning  January 1998, the table
reflects  the high and low  trading  prices as reported  by the  American  Stock
Exchange.

COMMON STOCK                            High                 Low
                                      --------             -------
Time Period:
January 1, 1998 through
March 31, 1998                         4 5/16               3 1/8

April 1, 1998 through
June 30, 1998                          4 9/16               2 5/8

July 1, 1998 through
September 30, 1998                    13 3/16               4 1/16

October 1, 1998 through
December 31, 1998                      9 1/4                5 5/8

WARRANTS

Time Period:

January 1, 1998 through
March 31, 1998                         1 13/16              1 1/8

April 1, 1998 through
June 30, 1998                          1 5/8                15/16

July 1, 1998 through
September 30, 1998                     8 1/4                1 1/2

October 1, 1998 through
December 31, 1998                      5 7/8                2 1/4

As of December  31, 1998 there were  approximately  343 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,  1998,  the  Company had  approximately  5,648,810  Class A
Redeemable Warrants registered and outstanding at an exercise price of $4.00 per
share.

The Company has not  recently  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              1994            1995           1996            1997             1998
<S>                            <C>             <C>             <C>             <C>             <C>         
Statement of Operations
Data
  Net revenues                 $    175,758    $  2,965,910    $     32,044    $    258,715    $    400,708
  Net loss                       (5,133,051)     (1,839,849)     (4,554,489)     (6,106,860)     (7,324,093)

  Cash used in operating
  activities                     (1,952,145)     (1,939,219)     (6,097,906)     (4,641,611)     (5,751,108)
  Capital expenditures              (40,000)         (3,625)        (86,480)        (15,477)        150,520

Balance Sheet
    Total Assets                  1,651,441      12,699,518       6,999,384      11,542,633      16,327,212
    Total Debt                    8,470,910       4,920,000            --              --                 _
  Redeemable Preferred
  Stock                           3,238,334            --              --              --                 _
  Common Stockholders
  Equity (deficit)              (14,629,687)      4,420,785       5,852,994      10,745,422      15,185,300

Net loss per share(1):
  Basic                               (0.44)          (0.18)          (0.29)          (0.35)          (0.32)
  Diluted                             (0.44)          (0.18)          (0.29)          (0.35)          (0.32)

Shares used in computing net
loss per share(1):
  Basic                          11,536,276      10,341,163      15,718,136      17,275,994      22,724,913
  Diluted                        11,536,276      10,341,163      15,718,136      17,275,994      22,724,913
</TABLE>

(1)   See Note 2(g) of Notes to Consolidated Financial Statements

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.


                                       21
<PAGE>

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.
Nucleic acid  pharmaceuticals  represent a new class of potential  products that
are designed to act at the molecular  level for the treatment of human  disease.
One   form  of   nucleic   acids,   termed   ribonucleic   acids   "RNAs",   are
naturally-occurring  informational molecules which orchestrate a cell's behavior
and which regulate the action of groups of cells, such as immune cells. Evidence
from self-limited viral infections suggests that RNA plays a significant role in
the ability of a host to overcome viral infection more rapidly and effectively.

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 four  subsidiaries--BioPro  Corp.,  BioAegean  Corp.  and Core
BioTech Corp., all of which were  incorporated in Delaware in 1994. In 1998, the
Company incorporated Hemispherx Biopharma-Europe NV/SA in Belgium.

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.

The  consolidated  financial  statements  include the  financial  statements  of
Hemispherx BioPharma, Inc. and its four wholly-owned subsidiaries, BioPro Corp.,
BioAegean Corp., Core BioTech Corp. and Hemispherx  Biopharma-Europe  NV/SA. The
U.S.  subsidiaries  were  incorporated  in  September  1994 for the  purpose  of
developing technology for ultimate sale into certain nonpharmaceutical specialty
consumer markets.  The European subsidiary was formed for the purpose of serving
the  Company's  needs with respect to pursuing  clinical  trials and  regulatory
approval in the  European  Union.  All  significant  intercompany  balances  and
transactions have been eliminated in consolidation.

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  $400,708 in 1998.  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.


                                       22
<PAGE>

RESULTS OF OPERATIONS

Years Ended December 31, 1998 vs. 1997

The Company reported a loss of $7,324,093 in 1998 versus a loss of $6,106,860 in
1997. Several factors contributed to the increased loss of $1,217,233 in 1998.

Revenues  increased  by  $141,993  in 1998 due to the  increased  enrollment  of
patients in the cost recovery  treatment  programs  being  conducted in Belgium,
Canada and the United States.

Research and  development  costs  increased  $1,386,860 in 1998 due primarily to
increased spending to start up the Phase III ME/CFS clinical trial in the United
States.  In  addition,  the  Company  built up the  inventory  of  Ampligen  raw
materials and finished  goods in  anticipation  of the drug needs to support the
Phase III clinical trial.  All costs incurred were part of the Company's plan to
enhance  the  clinical  data  required to support the  eventual  full  marketing
application in the United States and European Union.

General  and  administration  expenses  totaling  $3,752,628  in 1998  include a
noncash charge of $794,797 in stock  compensation  expenses to reflect the stock
value of warrants  granted to  consultants  in 1998.  In  addition,  legal fees,
shareholder   communication   expenses   and   consultant   expenses   increased
approximately $790,000 in 1998.

Preferred stock  conversion  expense of $1,200,000  primarily  resulted from the
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.

Interest  income was  $590,085 in 1998 versus  $267,291 in 1997.  While  overall
short-term  interest rates were lower than those experienced in 1997, the amount
of unused funds available for short-term investing was greater.

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.


                                       23
<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. All costs were part of an overall  plan in the pursuit of clinical  data 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
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.

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.

Liquidity and Capital Resources

Cash and Cash Equivalents were $12,025,073 as of December 31, 1998. In addition,
the Company had  $1,591,378 in short term  investments  as of December 31, 1998.
Total funds available to the Company at year end 1998 increased  $3,649,327 from
year end 1997. 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 1998 include the private  placement of common stock for
an aggregate of  $2,250,000 in net proceeds.  Certain  warrantholders  exercised
their  stock  warrants,  which  generated  an  additional  $8,812,254  in equity
proceeds to the Company.

The planned  spin-off of the wholly owned  subsidiary,  Core Biotech Corp.,  may
require an  investment by the Company in the amount of  $5,000,000.  These funds
would be used by Core  Biotech to pursue the  development  of  Ampligen  for the
treatment of viral diseases.


                                       24
<PAGE>

The  remaining  funds  available  as of December  31, 1998 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 proceeds
from the exercise of shareholder  warrants  should meet the Company's cash needs
well into the year 2000.  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 is dependent upon computers to operate the business and therefore is
exposed to Year 2000 problems. In the spring of 1998, management initiated a Y2K
compliance program with the following objectives:

      (a)   updating and/or replacing aging hardware;

      (b)   establishing a new platform for data bases; and

      (c)   assuring company-wide Y2K compliance.

With the assistance of outside consultants,  the Company has identified that the
computer  systems  used for  clinical  and  manufacturing  purposes  are not Y2K
compliant.  In order to make these  systems  compliant,  the Company  elected to
replace the  computer  systems.  Management  expects to have all  computers  and
systems Y2K compliant by May 15, 1999 at costs estimated to be between  $150,000
and $200,000.

The Company's  contingency plans are not complete at this time. We are confident
that our new computers and software will be online by May 15, 1999. Some thought
is being given to  outsourcing  the computer  tasks as a contingency  plan.  The
Company  is looking  into  suppliers  that  could  provide  this  service.  This
approach, if necessary, would be expensive.

Risks

In a worst case scenario,  the Company would experience delays in accessing data
on patients enrolled in clinical trials. These delays could slow down regulatory
compliance   and   commercial   approval  of  Ampligen  by  the  Food  and  Drug
Administration.  Our management of Ampligen  production and inventories would be
slow and time  consuming,  which could delay  shipments of Ampligen for clinical
trials.  Our Y2K  program  is  expected  to  significantly  reduce  our level of
uncertainty  about the Y2K problem and, in particular,  about the Y2K compliance
and  readiness  of our  material  external  agents.  We believe  that,  with the
implementation  of new  business  systems and  completion  of our Y2K program as
scheduled,  the possibility of significant  interruptions  of normal  operations
should be reduced.


                                       25
<PAGE>

ITEM 8.  Financial Statements and Supplementary Data

The  Company's  consolidated  balance  sheets as of December  31, 1997 and 1998,
consolidated statements of operations, changes in stockholder's equity (deficit)
and  comprehensive  loss and cash  flows for each of the years in the three year
period  ended  December  31,  1998,  together  with  the  report  of  KPMG  LLP,
independent public accountants are included elsewhere herein.  Reference is made
to the "Index to Financial  statements and Financial Statement Schedule" on page
F-1 which follows page 28.

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 July 15, 1999 in connection  with the  solicitation  of proxies for
the Company's  1999 Annual  Meeting of  Stockholders  scheduled to be held on or
about July 15, 1999 (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.


                                       26
<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 29 (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, 1998.

(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


                                       27
<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, M.D.
                          ---------------------------------
                          William A. Carter, M.D.
                          Chief Executive Officer

March 4, 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     March 4, 1999
- --------------------------------  Executive Officer and Director
William A. Carter, M.D.           

/S/ Richard Piani                 Director                         March 3, 1999
- --------------------------------
Richard Piani

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

/S/ Ransom Etheridge              Secretary And Director           March 2, 1999
- --------------------------------
Ransom Etheridge

/S/ William Mitchell              Director                         March 2, 1999
- --------------------------------
William Mitchell, M.D., Ph.D.

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


                                       28
<PAGE>

                   HEMISPHERX BIOPHARMA, INC. AND SUBSIDIARIES

                   Index to Consolidated Financial Statements

                                                                            Page

Independent Auditors' Report ..............................................  F-2
                                                                             
Consolidated Balance Sheets at December 31, 1997 and 1998 .................  F-3
                                                                             
Consolidated Statements of Operations for each of the years                  
in the three-year period ended December 31, 1998 ..........................  F-4
                                                                             
Consolidated Statements of Changes in Stockholders' Equity                   
(Deficit) and Comprehensive Loss for each of the years                       
in the three-year period ended December 31, 1998 ..........................  F-5
                                                                             
Consolidated Statements of Cash Flows for each of the years                  
in the three-year period ended December 31, 1998 ..........................  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, 1997 and 1998,  and the
related consolidated  statements of operations,  changes in stockholders' equity
and  comprehensive  loss and cash flows for each of the years in the  three-year
period ended December 31, 1998. 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, 1997 and 1998,  and the
results  of their  operations  and their cash flows for each of the years in the
three-year period ended December 31, 1998 in conformity with generally  accepted
accounting principles.

/s/ KPMG LLP
- ----------------------------

February 19, 1999

Philadelphia, Pennsylvania


                                      F-2
<PAGE>

                HEMISPHERX BIOPHARMA, INC. AND SUBSIDIARIES

                       Consolidated Balance Sheets
                       December 31, 1997 and 1998

                                                           December 31,
                                                   ----------------------------
                                                       1997            1998
                                                   ------------    ------------

                                ASSETS

Current assets:
 Cash and cash equivalents .....................   $  8,965,714    $ 12,025,073
 Short term investments (Note 3) ...............      1,001,410       1,591,378
 Accounts receivable ...........................         32,408          56,500
 Prepaid expenses and
   other current assets ........................         66,618          56,214
                                                   ------------    ------------
   Total current assets ........................     10,066,150      13,729,165
Property and equipment, net ....................         70,637         181,724
Patent and trademarks rights, net ..............      1,387,523       1,356,139
Investments in R.E.D. Laboratories (Note 2) ....           --         1,038,000
Security deposits ..............................         18,323          22,184
                                                   ------------    ------------
   Total assets ................................   $ 11,542,633    $ 16,327,212
                                                   ============    ============

                      LIABILITIES AND STOCKHOLDERS' EQUITY

Current liabilities:
 Accounts payable ..............................   $    465,166    $    802,538
 Accrued expenses (Note 5) .....................        332,045         339,374
                                                   ------------    ------------
    Total current liabilities ..................        797,211       1,141,912

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

Stockholders' equity (Notes 6 and 7):
  Preferred stock ..............................             37            --
  Common stock .................................         21,042          26,162
  Additional paid-in capital ...................     65,255,571      78,059,650
  Deferred compensation ........................       (137,132)     (1,184,830)
  Accumulated other comprehensive
    gain(loss) (Note 2j) .......................         (2,183)            324
  Accumulated deficit ..........................    (54,391,913)    (61,716,006)
                                                   ------------    ------------
    Total stockholders' equity .................     10,745,422      15,185,300
                                                   ------------    ------------
    Total liabilities and
     stockholders' equity ......................   $ 11,542,633    $ 16,327,212
                                                   ============    ============

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, 1998

                                                    December 31,
                                   --------------------------------------------
                                       1996            1997            1998
                                   ------------    ------------    ------------

Revenues:
 Research and development ......   $     32,044    $    258,715         400,708
                                   ------------    ------------    ------------
    Total revenues .............         32,044         258,715         400,708

Costs and expenses:
 Research and development ......      1,902,327       3,175,398       4,562,258
 General and
     administrative (Note 11) ..      3,023,590       2,194,945       2,957,831
 Preferred stock conversion
     expense ...................           --         1,200,000            --
 Stock Compensation Expense ....           --            62,523         794,797
                                   ------------    ------------    ------------
    Total cost and expenses ....      4,925,917       6,632,866       8,314,886

Interest and other income ......        339,384         267,291         590,085
                                   ------------    ------------    ------------

    Net loss ...................   $ (4,554,489)   $ (6,106,860)   $ (7,324,093)
                                   ============    ============    ============

Basic loss per share ...........   $       (.29)           (.35)           (.32)
                                   ============    ============    ============

Weighted average shares
   outstanding .................     15,718,136      17,275,994      22,724,913
                                   ============    ============    ============

Diluted loss per share .........   $       (.29)           (.35)           (.32)
                                   ============    ============    ============

Weighted average common and
   dilutive equivalent shares
   outstanding .................     15,718,136      17,275,994      22,724,913
                                   ============    ============    ============

See accompanying notes to consolidated financial statements.


                                      F-4
<PAGE>

                  HEMISPHERx BIOPHARMA, INC. AND SUBSIDIARIES

     Consolidated Statements of Changes in Stockholders' Equity(Deficit) and
    Comprehensive Loss For each of the years in the three-year period ended
                               December 31, 1998

<TABLE>
<CAPTION>
                                                       Common                              Accumulated    
                      Preferred   Common                Stock    Additional                   other                        Total
                        stock     stock   Preferred   .001 Par     paid-in      Deferred   Comprehensive  Accumulated   stockholders
                       shares     shares    stock       Value      capital    compensation    Income        deficit      (deficit)
                      ---------   ------  ---------   --------   ----------   ------------ ------------  -------------  ------------
<S>                    <C>      <C>         <C>        <C>       <C>                                     <C>            <C>        
Balance at                                                                                               
  December 31, 1995      --     15,581,592  $ --       $15,581   $47,949,530        --         --        $(43,544,326)  $ 4,420,785
Warrants Exercised       --        202,083    --           202       100,839        --         --                --         101,041
Preferred Stock                                                                                          
  Issued                6,000         --       60         --       5,395,825        --         --                --       5,395,885
Preferred Stock                                                                                          
  Converted            (1,000)     376,530    (10)         377          (367)       --         --                --            --
Stock Option                                                                                             
  Compensation           --           --      --          --         634,344        --         --                --         634,344
Total Comprehensive                                                                                      
  Loss                   --           --      --          --            --          --         --          (4,554,489)   (4,554,489)
Preferred Dividends      --           --      --          --            --          --         --            (144,572)     (144,572)
                       ------   ----------   ----      -------   ----------- -----------    -------      ------------    -----------
Balance at                                                                                               
  December 31, 1996     5,000   16,160,205     50       16,160    54,080,171        --         --         (48,243,387)    5,852,994
Stock conversion                                                                                         
  costs                  --        200,000    --           200     1,199,800        --         --                --       1,200,000
Payout of stock                                                                                          
  guarantees             --           --      --          --        (109,712)       --         --                --        (109,712)
Stock compensation,                                                                                     
  net                    --           --      --          --         199,655    (137,132)      --                --          62,523
Debt conversion          --           --      --          --          55,000        --         --                --          55,000
Preferred stock                                                                                          
  redeemed             (5,000)        --      (50)        --      (4,999,950)       --         --                --      (5,000,000)
Issuance of                                                                                              
  preferred stock                                                                                        
  certificates          5,000         --       50         --       4,834,873        --         --                --       4,834,923
Preferred dividends                                                                                      
  forgiven               --           --      --          --         171,775        --         --                --         171,775
Preferred stock                                                                                          
  converted            (1,350)     675,000    (13)         675          (662)       --         --                --            --
Warrants and                                                                                             
  options exercised      --        199,067    --           199       424,916        --         --                --         425,115
Issuance of common                                                                                       
  stock, net of                                                                                         
  issuance cost          --      3,808,334    --         3,808     9,399,705        --         --                --       9,403,513
Total Comprehensive                                                                                      
  loss                   --           --      --          --            --          --       (2,183)       (6,106,860)   (6,109,043)
Preferred Dividends      --           --      --          --            --          --         --             (41,666)      (41,666)
                       ------   ----------   ----      -------   ----------- -----------    -------      ------------   -----------
Balance at                                                                                               
   December 31, 1997    3,650   21,042,606     37       21,042    65,255,571    (137,132)    (2,183)      (54,391,913)   10,745,422
Common stock issued      --      3,294,434    --         3,295    11,058,959        --         --                --      11,062,254
Preferred stock                                                                                          
   converted           (3,650)   1,825,000    (37)       1,825        (1,788)       --         --                --            --
Total Comprehensive                                                                                      
   loss                  --           --      --          --            --          --        2,507        (7,324,093)   (7,321,586)
Payout of stock                                                                                           
   guarantees            --           --      --          --         (79,587)       --         --                --         (79,587)
Stock issue costs        --           --      --          --         (16,000)       --         --                --         (16,000)
Stock compensation       --           --      --          --       1,842,495  (1,047,698)      --                --         794,797
Balance at                                                                                                
  December 31, 1998      --     26,162,040    --       $26,162   $78,059,650 $(1,184,830)   $   324      $(61,716,006)  $15,185,300
                       ======   ==========   ====      =======   =========== ===========    =======      ============   ===========
</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, 1998
                Increase (Decrease) in Cash and Cash Equivalents

                                                      December 31,
                                      ------------------------------------------
                                          1996           1997          1998
                                      ------------   ------------   ------------

Cash flows from operating
  activities:
  Net loss ........................   $(4,554,489)   $(6,106,860)   $(7,324,093)

Adjustments to reconcile net
  loss to net cash used in
  operating activities:
  Depreciation of property
    and equipment .................        56,958         28,315         39,433
  Amortization of patent rights ...       132,091        424,065        309,704
  Stock conversion costs ..........          --        1,200,000           --
  Stock option compensation
    expense .......................       634,344         62,523        794,797
  Changes in assets and
    liabilities:
  Accounts receivable .............          --          (32,408)       (24,092)
  Prepaid expenses
    and other current assets ......       (42,599)        38,723         10,404
  Accounts payable ................      (497,559)       (77,912)       337,372
  Accrued expenses ................    (1,844,893)       (78,345)         7,329
  Security deposits ...............        18,241         10,000         (3,861)
                                      -----------    -----------    -----------
  Net cash used in
    operating activities ..........    (6,097,906)    (4,531,899)    (5,853,007)
                                      -----------    -----------    -----------

Cash flows from investing
    activities:
  Purchase of property and
    equipment .....................       (86,480)       (15,477)      (150,520)
  Additions to patent rights ......      (389,815)      (308,772)      (278,320)
  Maturity of short term
    investments ...................          --             --        1,003,593
  Purchase of short term
    investments ...................          --       (1,003,593)    (1,591,054)
  Investment in R.E.D .............
    Laboratories ..................          --             --       (1,038,000)
                                      -----------    -----------    -----------
      Net cash used in investing
        activities ................   $  (476,295)   $(1,327,842)   $(2,054,301)
                                      -----------    -----------    -----------

                                  (CONTINUED)

See accompanying notes to consolidated financial statements.


                                      F-6
<PAGE>

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

                                                    December 31,
                                    -------------------------------------------
                                        1996           1997           1998
                                    ------------    -----------    ------------

Cash flows from financing
   activities:
   Proceeds from issuance of
      preferred stock ...........   $  5,395,885    $ 4,834,923    $       --
   Payments on stockholder notes      (4,920,000)          --              --
   Preferred stock redeemed .....           --       (5,000,000)           --
   Proceeds from issuance of
      common stock, net .........           --        9,395,699       2,234,000
   Repayment of stock guarantee .           --         (109,712)        (79,587)
   Proceeds from exercise of
      stock warrants ............        101,040        425,116       8,812,254
   Dividends paid on
      preferred stock ...........        (14,462)          --              --
                                    ------------    -----------    ------------
      Net cash provided by
         financing activities ...        562,463      9,546,026      10,966,667
                                    ------------    -----------    ------------
      Net increase (decrease)
         in cash and cash
         equivalents ............     (6,011,738)     3,686,285       3,059,359
Cash and cash equivalents at
   beginning of year ............     11,291,167      5,279,429       8,965,714
                                    ------------    -----------    ------------
Cash and cash equivalents
   at end of year ...............   $  5,279,429    $ 8,965,714    $ 12,025,073
                                    ============    ===========    ============
Supplemental disclosures of
   cash flow information:
   Cash paid during the year
      for interest ..............   $      3,999    $     6,700    $       --
                                    ============    ===========    ============
Supplemental disclosure of
   noncash  investing
   activities:
   Preferred stock to
      equity conversion .........   $    899,314    $      --      $       --
                                    ============    ===========    ============

See accompanying notes to consolidated financial statements.


                                      F-7
<PAGE>

               HEMISPHERX BIOPHARMA, INC. AND SUBSIDIARIES
                NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                        DECEMBER 31, 1997 AND 1998

(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),  human
immunodeficiency  virus  associated  disorders,  and  chronic  hepatitis B virus
infection.  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  wholly-owned  subsidiaries  BioPro  Corp.,
BioAegean  Corp.  and Core BioTech Corp.  which were  incorporated  in September
1994, and Hemispherx Biopharma-Europe which was incorporated in August 1998. 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.  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.  Forty ME/CFS patients
were enrolled under this treatment  protocol at various  clinical centers in the
U.S.

In the second quarter of 1998, the Company initiated the recruitment of clinical
investigator  and ME/CFS patients to participate in the  confirmatory  Phase III
placebo-controlled  clinical  study of  Ampligen(R)  in the treatment of persons
suffering  from ME/CFS.  The Company has a target of  eventually  enrolling  230
patients with the severely  debilitating  form of ME/CFS.  In August,  1998, the
Company started  enrollment of patients into the  pre-clinical or baseline phase
of the study.

In  December  1998,  the Board of  Directors  authorized  the  spin-off  of Core
Biotech,  Inc.,  a wholly owned  subsidiary  to its  shareholders  in a tax free
transaction. Core Biotech Corp. intends to use genetic technologies to develop


                                      F-8
<PAGE>

therapeutic products for the treatment of viral hepatitis diseases.  The purpose
of the spin-off is to allow  shareholders to realize value for an asset that the
Company  believes  is  not  currently  being  appropriately   valued.  No  final
determination has been made with respect to capitalization,  pro forma financial
information, management or intercompany transactions. The Company is considering
the funding of this spin-off for up to $5 million. The timetable for the planned
spin-off is as soon as practical based on financing, staffing and certain market
conditions.

(2) Summary of Significant Accounting Policies

(a) Cash and Cash Equivalents

Cash equivalents consist of money market  certificates 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  $8,965,714  and
$12,025,073 at December 31, 1997 and 1998, 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.

In 1998, the Company acquired 3.3% of the issued and outstanding common stock
of R.E.D. Laboratories at a cost of $1,038,000.  R.E.D. Laboratories is
developing a diagnostic test for the ME/CFS disease.  Such investment is
accounted for on the cost basis of accounting.

(c) Property and Equipment

                                                    1997        1998
                                                    ----        ----
        Furniture, fixtures, and equipment        $640,290    $767,271
        Leasehold improvements                      61,576      85,115
                                                   -------     -------
        Total property and equipment               701,866     852,386
        Less accumulated depreciation              631,229     670,662
                                                   -------     -------
        Property and equipment, net               $ 70,637    $181,724
                                                   =======     =======

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.


                                      F-9
<PAGE>

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

Patents are stated at cost  (primarily  legal fees) and are amortized  using the
straight  line  method  over the life of the  assets,  generally  10 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 continues to fit into
the Company's strategic business plans. During the years ended December 31, 1997
and 1998, the Company decided not to pursue the technology in certain  countries
for  strategic  reasons and has recorded  $300,253  and  $120,459  respectively,
relating to the expense of writing off these patents as a charge to research and
development.  Accumulated  amortization  as of  December  31,  1997  and 1998 is
$1,116,726  and  $1,305,971,  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  from date of  acquisition.
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 11.
The net  investment  in Ribotech is zero as of December  31, 1997 and 1998.  Any
losses incurred by Ribotech are not recorded by the Company as the basis is zero
and the Company is not obligated to fund such losses.

(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 $32,044,
$258,715 and $400,708 for 1996, 1997 and 1998 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>

(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, 1997 and 1998,  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) Comprehensive Loss

On January 1, 1998, the Company  adopted SFAS No. 130,  Reporting  Comprehensive
Income. SFAS No. 130 establishes standards for reporting and presentation of the
Company's  comprehensive  loss and its  components  in a full  set of  financial
statements.  Comprehensive  loss consists of net loss and net  unrealized  gains
(losses) on  securities  and is  presented  in the  consolidated  statements  of
changes in stockholder's  equity and comprehensive  loss. The Statement requires
only additional  disclosures in the consolidated  financial statements;  it does
not affect the Company's financial position or results of operations. Prior year
financial  statements have been  reclassified to conform to the  requirements of
SFAS No. 130.

Comprehensive loss is summarized below:

                                        1996            1997            1998
                                        ----            ----            ----
Net loss                            $(4,554,489)    $(6,106,860)    $(7,324,093)
Net unrealized gain 
(loss) in investment
securities                                 --            (2,183)          2,507
                                    -----------     -----------     -----------
Total comprehensive loss            $(4,554,489)    $(6,109,043)    $(7,321,586)
                                    ===========     ===========     =========== 

(k) Use of estimates

The preparation of financial statements in conformity with generally accepted


                                      F-11
<PAGE>

accounting principles requires management to make estimates and assumptions that
affect the amounts reported in the financial  statements and accompanying notes.
Actual results could differ from those estimates.

(3) Investments

Securities classified as available for sale are summarized below.

                                                     1998
                                                 --------------
                                                   Unrealized
                                      Adjusted   --------------        Carrying
                                        Cost     Gains    (Losses)       Value
                                     ----------  -----   ----------   ----------
U.S. Treasury note                   $  499,831   $324   $     --     $  500,155
Federal National Mortgage Notes       1,091,223    --          --      1,091,223
                                     ----------   ----   ----------   ----------
                                     $1,591,054   $324   $     --     $1,591,378
                                     ==========   ====   ==========   ==========

                                                     1997
                                                 --------------
                                                   Unrealized
                                      Adjusted   --------------        Carrying
                                        Cost     Gains    (Losses)       Value
                                     ----------  -----   ----------   ----------
U.S. Treasury note                   $1,003,593    --    $   (2,183)  $1,001,410
                                     ==========  ======  ===========  ==========

(4) Stock-Based Compensation

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.  For  purposes of proforma  disclosure  required by  Statement of
Financial  Accounting  Standards No. 123 (SFAS 123")  Accounting for Stock-Based
Compensation,  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.  In 1998, the Company  granted  1,113,000  warrants to
employees in recognition of services performed and services to be performed. For
purposes of Proforma Disclosure for FAS 123 the fair value of the stock purchase
warrants granted during 1998 was also determined using the Black-Scholes  option
pricing model with the rate of 6.14% volatility of 45.67%- 73.31%,  and expected
lives of 2-5 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


                                      F-12
<PAGE>

Company's net loss would have been  increased to the pro forma amount  indicated
below:

                                    1996          1997          1998
                                    ----          ----          ----
  Net loss      As reported    $(4,554,489)   $(6,106,860)  $(7,324,093)
                Pro forma      $(4,782,722)    (6,203,259)   (8,199,994)

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.

The exercise price of all warrants granted was equal to the fair market value as
defined by APB 25 on the date of the grant.

(5) Accrued Expenses

Accrued expenses at December 31, 1997 and 1998 consists of the following:

                                                               December 31,
                                                            ------------------
                                                            1997          1998
                                                            ----          ----
Accrued payroll and benefits .......................      $  9,031      $  5,981
Accrued stock price guarantee costs ................       101,899          --
Accrued polymer purchases ..........................          --          66,197
Accrued fees for HIV studies .......................        41,936        41,936
Accrued taxes ......................................        86,734        85,159
Accrued professional fees ..........................        31,095        35,500
Accrued directors fees .............................        11,350        41,350
Accrued other ......................................        50,000        63,251
                                                          --------      --------
                                                          $332,045      $339,374
                                                          ========      ========

(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, 1997 and 1998,  21,042,606 and 26,162,040  shares were
issued and outstanding, respectively.

(b) New Equity Financing

New equity financing in 1998 included the private  placement of common stock for
an aggregate of  $2,250,000 in net proceeds.  Certain  warrantholders  exercised
their  stock  warrants,  which  generated  an  additional  $8,812,254  in equity
proceeds to the Company.

(c) Common Stock Options and Warrants


                                      F-13
<PAGE>

(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:

<TABLE>
<CAPTION>
                                         1996                1997               1998
                                  -----------------   ----------------- -------------------
                                           Weighted            Weighted            Weighted
                                            Average             Average             Average
                                           Exercise            Exercise            Exercise
                   Option Price   Shares    Price     Shares    Price    Shares     Price
                   ------------   ------   --------   ------   -------  --------   --------
<S>                 <C>           <C>       <C>      <C>        <C>      <C>        <C>  
Outstanding,        $1.06-4.34    232,830   $3.20    234,953    $3.23    291,256    $3.35
beginning of year
Granted             $3.50-6.00      2,123   $3.50     64,597    $3.50     20,000    $6.00
Cancelled           $     3.50       --      --         --       --       (4,482)   $3.50
Exercisable         $1.06-3.50       --      --       (8,294)   $1.06    (12,165)   $2.93
                    ----------    -------            -------             -------
Outstanding, end    $1.06-6.00    234,953   $3.23    291,256    $3.35    294,609    $3.56
of year             ==========    =======            =======             =======
Exercisable                       215,161   $3.23    206,867    $3.62    229,523    $3.48
                                  =======            =======             =======
Exercised in                      (10,576)           (18,870)            (31,035)
current and prior                 =======            =======             =======
years                                             
                                                  
Available for                     215,269            150,672             135,154
future grants                     =======            =======             =======
</TABLE>

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.


                                      F-14
<PAGE>

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, 1998, related to the issuance of former
notes payable and stockholder  notes payable which are  exercisable  into Common
Stock, are subject to adjustments for stock splits and dividends.

                                            Common Stock
                                        --------------------
                                        Exercise   Number of
                                         Price      Shares       Expiration
                                        --------   ---------     ----------
Notes payable:
  Former noteholders ...............    $10.85      119,807       Nov. 2005
    "     "     " .................     $ 2.00       30,000         "   "
Stockholders notes:                                              
  Stockholders .....................    $ 3.50      252,160       Oct. 2004
  Stockholders .....................    $ 3.50      200,000       Oct. 1999
                                                    -------
       Subtotal: ...................                601,967
                                                    =======

In 1998,  warrant holders in this group exercised  335,000  warrants to purchase
common stock which produced $867,500 in gross proceeds.

(iii) Other Warrants

In  addition,  the Company has other  issued  warrants  outstanding  - totalling
14,333,043 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, were to
expire in September,  1999. On February 19, 1999 the Board of Directors extended
the expiration date for three more years.

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


                                      F-15
<PAGE>

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, 1996. 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 1998,  592,000  of  these  warrants  were
exercised, leaving a balance of these warrants is 2,158,000.

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 250,000
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
5,313,000 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 and 664,090 during 1998.

Also, as part of the underwriting  agreement,  the underwriter received warrants
to purchase  462,000 shares of common stock at $5.775 per share,  these warrants
were exercised in 1998. The underwriter also received 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.

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,
149,034 of these warrants were exercised in 1998. The remaining 236,033 warrants
will expire December 31. 2000.

In 1998,  the Company issued  350,000  warrants to investment  banking firms for
services performed on behalf of the Company. These warrants have various vesting
dates and exercise prices ranging from $4.00 to $10.00 per share.

2,898,100  warrants  have  been  granted  to  other  parties,  stockholders  and
employees for services  performed.  These  warrants are  exercisable at rates of
$2.50 to $10.00 per share of common  stock and the  exercise  price was equal to
the fair market value of the stock on the date of grant. 1,113,000 of the


                                      F-16
<PAGE>

2,898,100 warrants outstanding were granted to employees with a weighted average
exercise  price of $4.38 per share and have been included in the pro-forma  loss
calculation in footnote 4.

(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.


                                      F-17
<PAGE>

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,  1998,  all holders of Series E  convertible  preferred
stock had converted their holding into 2,500,000 shares of common stock.

(8) Segment and Related Information

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 has no impact on
the Company's results of operations, financial condition or liquidity.

As the Company has one management team in one location  performing  research and
development  activities for Ampligen,  no additional  segment  disclosure beyond
what is reported in the consolidated financials is necessary under SFAS No. 131.

The following  table  presents  revenues by country based on the location of the
use of the product services.

                                        1996             1997             1998
                                      --------         --------         --------
United States                         $   --           $117,975         $194,815
Belgium                                 32,044          104,004          179,120
Other                                     --             36,736           26,773
                                      --------         --------         --------
                                      $ 32,044         $258,715         $400,708
                                      ========         ========         ========

(9) 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 at any time. During the years ending December 31, 1996, 1997 and
1998, 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


                                      F-18
<PAGE>

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.

The  Company has entered  into  agreements  for  consulting  services  which are
performed at medical research  institutions and by medical and clinical research
individuals. The Company's obligation to fund these agreements can 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, 1996,
1997 and  1998,  the  Company  incurred  approximately  $188,000,  $124,000  and
$269,000, respectively, of consulting service fees under these agreements.

These costs are expenses as incurred.

(10) 401(K) Plan

The Company has a defined  contribution plan, entitled 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 1996,  1997, and 1998,
the Company  provided  matching  contributions  to each employee for up to 6% of
annual pay of $31,580, $30,598, and $36,958 respectively.

(11) Royalties, License, and Employment Agreements

The  Company  also  has  entered  into a  licensing  agreement  with a group  of
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 9, 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 1996, 1997, 1998
is $589,552, $611,678 and $622,952 respectively. In addition, certain of these


                                      F-19
<PAGE>

officers are entitled to receive  performance bonuses of up to 25% of the annual
base salary (in addition to the bonuses described below). In 1998, a performance
bonus of $90,397 was  granted.  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,  1997,  and 1998,  the Company  paid  Ribotech a total of $425,962 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-20
<PAGE>

(12) 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
       -----------                                            --------
          1999  ........................................      $310,434
          2000  ........................................       107,395
          2001  ........................................         6,720
          2002  ........................................         6,720
          2003  ........................................         2,240
                                                              --------
             Total minimum lease payments ..............      $433,509
                                                              ========

Rent expense  charged to operations for the years ended December 31, 1996,  1997
and  1998   amounted  to   approximately   $286,000,   $292,000,   and  $308,000
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.

(13) Income Taxes

As of December 31, 1998,  the Company has  approximately  $56,065,000 of federal
net  operating  loss  carryforwards  (expiring in the years 1999  through  2018)
available  to  offset  future  federal  taxable  income.  The  Company  also has
approximately $14,690,000 of state net operating loss carryforwards (expiring in
the years 1999 through 2001) available to offset future state taxable income. In
addition,  the  utilization  of the state net  operating  loss  carryforward  is
subject to a $1,000,000 annual limitation.

Under  the Tax  Reform  Act of 1986,  the  utilization  of a  corporation's  net
operating loss  carryforward  is limited  following a greater than 50% change in
ownership.  Due to the  Company's  prior and current  equity  transactions,  the
Company's  net  operating  loss  carryforwards  may  be  subject  to  an  annual
limitation  generally  determined by multiplying the value of the Company on the
date of the  ownership  change by the federal  long-term  tax exempt  rate.  Any
unused annual  limitation may be carried forward to future years for the balance
of the net operating loss carryforward period.

Deferred income taxes reflect the net tax effects of temporary differences


                                      F-21
<PAGE>

between  carrying  amounts of assets and  liabilities  for  financial  reporting
purposes and the carrying amounts used for income tax purposes. In assessing the
realizability of deferred tax assets,  management  considers  whether it is more
likely than not that some  portion or all of the deferred tax assets will not be
realized.  The ultimate realization of deferred tax assets is dependent upon the
generation  of future  taxable  income  during the  periods  in which  temporary
differences representing net future deductible amounts become deductible. Due to
the uncertainty of the Company's  ability to realize the benefit of the deferred
tax asset, the deferred tax assets are fully offset by a valuation  allowance at
December 31, 1997 and 1998.

The  components  of the net  deferred  tax asset of  December  31, 1997 and 1998
consists of the following:

Deferred tax assets:                               1997                1998
                                                   ----                ----
Net Operating Losses                           $ 17,561,397        $ 20,526,592
Accrued Expenses and Other                           19,617              19,617
                                               ------------        ------------
                                                 17,581,014          20,546,209
Valuation Allowance                             (17,039,849)        (20,039,868)
                                               ------------        ------------
                                               $    541,165        $    506,341
                                               ------------        ------------
Deferred tax liabilities:
Amortization and Other                         $   (541,165)       $   (506,341)
                                               ============        ============

(14) Contingencies

On September 14, 1998,  VMW, Inc.  filed a complaint  against the Company in the
United  States  District  Court,  Southern  Division of New York,  The complaint
alleges that the Company  failed to fulfill its  financial  obligations  to VMW,
Inc. with respect to a certain letter agreement pertaining to marketing services
rendered.   VMW,  Inc.  claims  damages  of  less  than  $100,000.  The  Company
counterclaimed  alleging breach of contract by VMW and have demanded  damages of
approximately  $25,000.  This case is  currently  in the  discovery  phase.  The
Company  does not  believe  that the  complaint  will have a material  effect on
results of operations or it's financial position.

Ell & Co., and the Northern Trust Company, as Trustee of the AT&T Master Pension
Trust  filed a  complaint  against  the  Company in the Court of Chancery of the
State of Delaware  in and for New Castle  County on  September  23,  1998.  This
complaint  alleges that the Company breeched its contractual  obligations as set
forth in the Certificate of Powers, Designations,  Preferences and Rights of the
Series E Convertible Stock. The Plaintiff seeks to enforce its rights to convert
1,500 shares of Series E Preferred  Stock into 750,000  shares of freely  traded
common stock and to recover damages for its inability to convert the


                                      F-22
<PAGE>

preferred  stock when it  requested  to do so. The Company does not believe that
the  complaint  will have a material  effect on the results of operations or its
financial  position.  The Company  maintains  that the 1,500  shares of Series E
Preferred Stock had been properly redeemed and, therefore, the plaintiff was not
contractually able to effect a proper conversion into common shares, the Company
agreed in December,  1998 to convert the  plaintiffs  preferred  stock to common
stock. Currently the claim is still in litigation.

The Company filed a complaint against Manual P. Asensio, Asensio & Company, Inc.
and others in the United  States  District  Court for the  Eastern  District  of
Pennsylvania   on  September  30,  1998.   The  Company   alleges  the  unlawful
manipulation  and short selling by  defendants of the Company's  common stock on
the American Stock Exchange on or about  September 15, 1998 through the present.
The  Company  alleges,  among  other  things,  that the  defendants  distributed
materially  false  information  concerning  Hemispherx  to the  public,  thereby
damaging the Company and its shareholder equity. Certain defendants have entered
motions to  dismiss  all or part of the case.  The  discovery  process  has been
suspended pending disposition of the dismissal motions.

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.

(15) Stock Repurchase

On February 19, 1999, the Board of Directors  authorized the repurchase of up to
200,000  shares of the  Company's  common  stock on the open  market or  through
private  transactions  through  April  1,  1999.  The  repurchased  shares  will
eventually be used for acquisitions or other purposes.


                                      F-23


<TABLE> <S> <C>


<ARTICLE>                     5
       
<S>                             <C>
<PERIOD-TYPE>                   Year
<FISCAL-YEAR-END>                              DEC-31-1998
<PERIOD-END>                                   DEC-31-1998
<CASH>                                         12,025,073
<SECURITIES>                                   1,591,378
<RECEIVABLES>                                  56,500
<ALLOWANCES>                                   0
<INVENTORY>                                    0
<CURRENT-ASSETS>                               13,729,165
<PP&E>                                         852,386
<DEPRECIATION>                                 670,662
<TOTAL-ASSETS>                                 16,327,212
<CURRENT-LIABILITIES>                          1,141,912
<BONDS>                                        0
                          0
                                    0
<COMMON>                                       26,162
<OTHER-SE>                                     15,159,138
<TOTAL-LIABILITY-AND-EQUITY>                   16,327,212
<SALES>                                        0
<TOTAL-REVENUES>                               990,793
<CGS>                                          0
<TOTAL-COSTS>                                  8,314,886
<OTHER-EXPENSES>                               0
<LOSS-PROVISION>                               0
<INTEREST-EXPENSE>                             0
<INCOME-PRETAX>                                0
<INCOME-TAX>                                   0
<INCOME-CONTINUING>                            (7,324,093)
<DISCONTINUED>                                 0
<EXTRAORDINARY>                                0
<CHANGES>                                      0
<NET-INCOME>                                   (7,324,093)
<EPS-PRIMARY>                                  (.32)
<EPS-DILUTED>                                  (.32)
        


</TABLE>


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