BIOPURE CORP
10-K, 2000-01-31
BIOLOGICAL PRODUCTS, (NO DIAGNOSTIC SUBSTANCES)
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                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
                            ------------------------
                                   FORM 10-K

[X]   ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE
      ACT OF 1934
                   FOR THE FISCAL YEAR ENDED OCTOBER 31, 1999

                                       OR

[ ]   TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES
      EXCHANGE ACT OF 1934
       FOR THE TRANSITION PERIOD FROM                TO                .

                        COMMISSION FILE NUMBER 001-15167

                              BIOPURE CORPORATION
             (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER)

<TABLE>
<S>                                            <C>
                   DELAWARE                                      04-2836871
       (STATE OR OTHER JURISDICTION OF                        (I.R.S. EMPLOYER
        INCORPORATION OR ORGANIZATION)                      IDENTIFICATION NO.)

       11 HURLEY STREET, CAMBRIDGE, MA                             02141
   (ADDRESS OF PRINCIPAL EXECUTIVE OFFICES)                      (ZIP CODE)
</TABLE>

      REGISTRANT'S TELEPHONE NUMBER, INCLUDING AREA CODE:  (617) 234-6500

          SECURITIES REGISTERED PURSUANT TO SECTION 12(b) OF THE ACT:
                                      NONE

          SECURITIES REGISTERED PURSUANT TO SECTION 12(g) OF THE ACT:
                    COMMON STOCK, $0.01 PAR VALUE PER SHARE
                        PREFERRED STOCK PURCHASE RIGHTS
                                (TITLE OF CLASS)

     Indicate by check mark whether the registrant (1) has filed all reports
required to be filed by Section 13 or 15 (d) of the Securities 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.  [ ]

     Based on the closing price on January 14, 2000, and assumptions relating to
the privately held non-voting Class B Common Stock, the aggregate market value
of the voting and non-voting common equity held by nonaffiliates of the
registrant was $303,246,620.

     The number of shares outstanding of the registrant's Class A Common Stock
was 22,282,532 on January 14, 2000; the number of shares of the Class B Common
Stock was 117.7.

                      DOCUMENTS INCORPORATED BY REFERENCE

<TABLE>
<CAPTION>
LOCATION IN FORM 10-K                      INCORPORATED DOCUMENT
- ---------------------                      ---------------------
<C>                     <S>
        Part I          Specifically identified portions of the registrant's
                        definitive proxy statement to be filed in connection with
                        the registrant's Annual Meeting to be held on April 5, 1999.
</TABLE>

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           CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING INFORMATION

This report contains forward-looking statements concerning, among other things,
our clinical trials, plans for the development of Hemopure and business
strategies. These forward-looking statements are identified by the use of such
terms as "intends," "expects," "plans," "estimates," "anticipates," "should" and
"believes."

These forward-looking statements involve risks and uncertainties. Actual results
may differ materially from those predicted by the forward-looking statements
because of various factors and possible events, including Company risks, such as
lack of FDA or any other regulatory approval for our human product, uncertainty
about future physician and market acceptance of our product, our limited
manufacturing capacity and capital resources and our lack of commercial
experience as a pharmaceutical company. In addition, we are subject to industry
risks such as: our industry is highly regulated, keenly competitive and subject
to uncertainty of pricing because of controls on health care spending and
uncertainty of third-party reimbursement.

                                     PART I

ITEM 1.  BUSINESS

Biopure develops, manufactures and markets oxygen therapeutics. Its products are
Hemopure, for human use, and Oxyglobin, for veterinary use. Biopure is
developing Hemopure as an alternative to red blood cell transfusions as well as
for use in the treatment of other critical care conditions. Hemopure is
currently in a pivotal Phase III clinical trial in the United States. In 1998,
following FDA approval, Biopure began selling Oxyglobin in the United States.
Oxyglobin was approved for sale in the European Union in December 1999.

SCIENTIFIC OVERVIEW

Oxygen is indispensable to the life of all human tissues. Hemoglobin, a protein
normally contained within red blood cells, is the molecule responsible for
carrying and releasing oxygen to the body's tissues. Hemoglobin's protein
structure is similar in many different animal species, including humans. Under
normal conditions, hemoglobin contained within red blood cells carries
approximately 98% of the body's oxygen and the remaining two percent is
dissolved in the plasma, or fluid part of the blood.

As the heart pumps blood, hemoglobin within the red blood cells takes up oxygen
in the lungs and carries it to various parts of the body. Blood travels through
progressively smaller blood vessels to the capillaries, some of which are so
narrow that red blood cells can only pass through them in single file. Most of
the oxygen release occurs in the capillaries. Blood then returns to the lungs to
reload the red blood cells with oxygen. Adequate blood pressure and red blood
cell counts are crucial to this process. Oxygen deprivation, even for several
minutes, can result in cell damage, organ dysfunction and, if prolonged, death.

The causes of inadequate tissue oxygenation generally can be classified into
three categories:

- - anemia -- insufficient hemoglobin. Blood loss from injury or surgery or
  disorders that affect red blood cell production or maintenance, such as bone
  marrow disease, can cause anemia;

- - ischemia -- inadequate red blood cell flow for tissue oxygenation. Obstructed
  or constricted blood vessels can result in ischemia. Ischemia can lead to
  stroke, heart attack or other organ or tissue dysfunction; and

- - cardiopulmonary failure -- impaired function of the heart or lungs. The
  heart's inability to pump sufficient quantities of blood to meet the needs of
  the tissues or the failure of the lungs to oxygenate blood adequately can
  cause cardiopulmonary failure.
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Biopure(R), Hemopure(R) and Oxyglobin(R) are registered trademarks of Biopure.
- --------------------------------------------------------------------------------

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A red blood cell transfusion is the standard therapy for anemia resulting from
blood loss. Sources of red blood cells for transfusions include stored supplies
of donated blood or of the recipient's own pre-donated blood. Health care
professionals also may use medications that stimulate red blood cell production
if anemia is anticipated, for example, as a result of planned surgery.

Red blood cell transfusions have certain risks and limitations. As HIV,
hepatitis and other diseases have infected the world's blood supply, the need
for a sterile blood product has become increasingly apparent. There is currently
no 100% effective method for detecting blood-borne diseases or for sterilizing
donated blood. As a result, the risk of disease transmission from donated blood
is an ongoing concern to physicians and patients, although less so than in the
past. Handling errors in typing and cross-matching blood, as well as the
inadvertent introduction of pathogens, can also result in significant medical
problems. Blood typing and handling requirements, particularly refrigeration,
limit the feasibility of red blood cell transfusions in pre-hospital emergency
treatment situations. Shortages of certain types of blood can occur due to
seasonal factors or disasters. Donated red blood cells are available for use in
transfusions for only 42 days after collection and this limitation affects the
ability to stockpile red blood cell supplies. Although freezing can extend the
life of red blood cells, the freezing and thawing processes require chemical
treatment of the red blood cells and reduce the efficacy of those red blood
cells. Finally, the longer red blood cells are stored, the longer it takes them
to reach their maximum oxygen-releasing capacity and the more they break down,
limiting their effectiveness in delivering oxygen. Red blood cells lose
approximately 75% of their oxygen-releasing ability after eight days of storage.
Blood banks generally release the oldest stored blood first to prevent outdating
after 42 days.

Red blood cell transfusions generally are not effective for ischemic conditions.
In such situations, an obstructed or constricted blood vessel that is too narrow
to permit the normal passage of red blood cells can prevent oxygen from reaching
the body's tissues.

Similarly, red blood cell transfusions are generally not effective in overcoming
poor oxygenation due to impaired heart or lung function.

Existing alternatives to red blood cell transfusions are limited. In trauma
situations, victims may experience massive bleeding resulting in rapid loss of
blood volume and oxygen-carrying capacity. In an effort to stabilize trauma
patients, emergency caregivers typically administer commonly used intravenous
fluids, such as Ringer's lactate or saline. Ringer's lactate consists of water
and electrolytes and is generally administered to patients who have lost
substantial amounts of bodily fluids as a result of bleeding, vomiting or
diarrhea. Both Ringer's lactate and saline restore blood volume, but do not
carry oxygen.

For anemia in non-acute situations, there are currently two biological products
on the market. Both of these products are formulations of a protein called
erythropoietin. Erythropoietin stimulates the body's ability to produce its own
red blood cells. This stimulation is called an erythropoietic effect. In a
surgical setting, these products are administered in anticipation of blood loss
during surgery, thereby potentially reducing the need for red blood cell
transfusions. However, erythropoietin does not deliver oxygen to the body's
tissues and does not act as a blood volume expander. As a result, these products
are not effective in treating acute blood loss and are generally not used in
cases of unplanned surgeries or emergency need. In addition, the labels on these
products caution against their use in cardiac surgery patients.

BIOPURE'S OXYGENATION TECHNOLOGY

Biopure has two proprietary oxygen therapeutic products that are identical
except for their molecular size distributions. Biopure defines its products as
therapeutics because they remediate oxygen deprived tissues. One administers
these products intravenously. Biopure's products consist of red cells extracted
from bovine hemoglobin that has been purified, chemically modified and
cross-linked for stability. The resulting hemoglobin solutions do not contain
red blood cells and are formulated in a balanced salt solution similar to
Ringer's lactate.

The average Hemopure molecule is less than 1/1000th the size of a red blood
cell. Once infused into a patient, the Hemopure molecules disperse throughout
the entire plasma space, including the area between

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and around red blood cells, and are in continuous contact with the blood vessel
wall where oxygen transport to tissues takes place.

Hemopure, by filling plasma with hemoglobin molecules, immediately turns the
plasma into an oxygen-delivering substance. Plasma containing Hemopure flows
everywhere that blood ordinarily flows and can also bypass partial blockages or
pass through constricted vessels that impede the normal passage of red blood
cells. Furthermore, introducing Hemopure into the bloodstream enables red blood
cells to release more oxygen to the tissues than they otherwise would. In
addition to delivering oxygen to tissues, Hemopure also acts as a blood volume
expander and may have an erythropoietic effect, supporting the body's ability to
produce red blood cells.

Hemopure molecules hold the same amount of oxygen as the hemoglobin molecules in
red blood cells on a gram-for-gram basis. Hemopure molecules, however, are
chemically modified to have less affinity for oxygen than red blood cells,
enabling Hemopure to release oxygen to tissues more efficiently than red blood
cells. Human hemoglobin, unlike bovine hemoglobin, depends on the action of 2,3
diphosphoglycerate, or 2,3 DPG, a substance found in high concentrations only
within the red blood cell, for optimal offloading, or release, of oxygen to
tissues. The 2,3 DPG breaks down rapidly in stored blood causing red blood cells
to lose approximately 75% of their ability to release oxygen after eight days of
storage.

The 2,3 DPG breakdown reduces the oxygen offloading efficiency of transfused red
blood cells until its levels are restored. Transfused red blood cells can
require hours to regain their oxygen offloading capability. Biopure's bovine
hemoglobin permits the efficient offloading of oxygen in the absence of 2,3 DPG,
thereby allowing Hemopure to be at its optimal oxygen offloading effectiveness
immediately upon infusion.

Hemoglobin molecules in different species have demonstrated low antigenicity,
which means that they do not readily elicit an immune or allergic response.
Biopure has confirmed Hemopure's low antigenicity, as indicated by the absence
of certain effects, through in vitro and in vivo studies. No clinically
significant levels of antibodies were observed in Biopure's trials, including
one human study lasting more than a year with multiple doses.

The following chart lists Hemopure's characteristics in comparison to transfused
red blood cells:

<TABLE>
<CAPTION>
        CHARACTERISTIC                     HEMOPURE               TRANSFUSED RED BLOOD CELLS
        --------------                     --------               --------------------------
<S>                             <C>                             <C>
Onset of action                 Immediate -- not 2,3 DPG-       Initially limited -- 2,3 DPG-
                                dependent                       dependent
Oxygen affinity                 More efficient oxygen release   Less efficient oxygen release
                                to tissues                      to tissues
Oxygen transport                Red blood cells and plasma      Red blood cells only
Risk of disease transmission    Product purity maintained       Risk minimized by testing,
                                through a reproducible and      donor selection and
                                controllable manufacturing      administration protocols, and
                                process that complies with      ongoing surveillance for
                                current Good Manufacturing      emerging pathogens; leukocyte
                                Practices; no leukocyte, or     exposure
                                white blood cell, exposure
Storage                         Room temperature; no loss of    Refrigeration required; loss
                                efficacy                        of efficacy
Shelf life                      30 months                       42 days
Compatibility                   Universal                       Type-specific
Preparation                     Ready-to-use                    Requires typing and cross-
                                                                matching
Viscosity                       Low                             High
Raw material source             Controlled                      Not controlled
</TABLE>

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In addition to Hemopure's use as an alternative to red blood cell transfusions
in surgery, human clinical testing and preclinical studies suggest that Hemopure
also could be a readily available therapeutic with a broad range of potential
applications. These applications include the treatment of trauma, ischemic
conditions, including stroke and heart attack, and malignant hypoxic tumors.

Hemopure has a 30-month shelf life at room temperature, is universally
compatible and can be stocked well in advance of anticipated use. Consequently,
when blood is not available, Hemopure could be used to maintain a patient until
the needed type and quantity of red blood cells arrive, until the patient can be
transported to a hospital or until a patient's body produces its own red blood
cells. Hemopure thus could be an effective "oxygen bridge" to a red blood cell
transfusion or the body's ability to regenerate its own fresh red blood cells.
Hemopure may be particularly well-suited for this "oxygen bridge" function
because the duration of action of a single infusion is about two to three days
with 50% of the Hemopure molecules retained in the circulatory system for 24 to
36 hours following administration. In clinical trial data, Biopure has observed
that the redosing of Hemopure over several days can prolong Hemopure's "oxygen
bridge" effect.

Transfused red blood cells, however, have some advantages when compared to
Hemopure. Transfused red blood cells have a longer duration of action and can
persist in the body for up to 120 days. Hemopure, on the other hand, depending
on the amount infused, can last between one and three days and may require
repeat administration. Biopure has also observed slight increases in blood
pressure and abdominal discomfort in Hemopure-infused patients. Fluctuations in
a patient's blood pressure can affect the manner in which health care
professionals, who are accustomed to transfusing red blood cells, manage a
patient's care. Furthermore, Biopure cannot be certain that Hemopure will not
elicit an immune response in some individuals as do some other proteins. In
addition, it is anticipated that the cost of Hemopure will be significantly
greater to the patient than the cost of transfused red blood cells.

PRODUCTS

Biopure's two products are oxygen therapeutics. Hemopure, for human use, is
currently in a U.S. pivotal Phase III clinical trial. Biopure expects that this
trial, together with the results of prior clinical trials, will form the basis
for an FDA marketing application in the year 2000 for the use of Hemopure as an
alternative to red blood cell transfusions before, during or after elective
orthopedic surgery. The FDA and the European Medicines Evaluation Agency have
approved the use of Oxyglobin, Biopure's veterinary product, for the treatment
of anemia in dogs, regardless of cause. Oxyglobin is marketed and sold to
veterinary hospitals and to small animal veterinary practices. Biopure has
tested Hemopure and Oxyglobin in approximately 19 completed clinical trials and
150 completed preclinical studies involving more than 400 humans and 1,500
animals from 10 species.

HEMOPURE

Biopure is pursuing the development and approval of Hemopure both as an
alternative to red blood cell transfusions and as a therapeutic for indications
such as trauma, ischemic conditions, including stroke and heart attack, and
malignant hypoxic tumors.

Red Blood Cell Transfusion Alternative

Biopure filed an application for human approval in South Africa in 1999 for
Hemopure's use as an alternative to red blood cell transfusions for elective
surgery. Hemopure would serve as an alternative to a red blood cell transfusion
or as an "oxygen bridge" pending the acquisition or production of suitable red
blood cells. Biopure does not expect Hemopure to replace all red blood cell
transfusions. However, Hemopure's oxygen-carrying properties, storage and
infusion advantages address many of the limitations associated with red blood
cell transfusions. The National Blood Data Resource Center, a subsidiary of the
American Association of Blood Banks, estimated that approximately 11.5 million
units of red blood cells and whole blood, including the patient's own previously
donated blood, were transfused in the United States in 1997.

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Biopure's clinical trials have demonstrated Hemopure's efficacy as an
alternative to red blood cell transfusions in surgery patients as measured by
the elimination of red blood cell transfusions. In all of Biopure's advanced
clinical trials, Biopure evaluated Hemopure's efficacy as an oxygen therapeutic
by determining, within the context of a written set of guidelines known as a
protocol, the percentage of patients given Hemopure who did not require a
subsequent transfusion of red blood cells. In these trials, Hemopure was
administered only to patients who needed a red blood cell transfusion. Trial
design limited the amount of Hemopure that could be infused and the number of
post-operative days during which it could be infused. Elimination was deemed to
occur if the patient did not require a subsequent red blood cell transfusion.
Elimination was deemed not to occur if the patient was administered the maximum
number of Hemopure units permitted by the particular trial design and
subsequently needed a red blood cell transfusion. Despite these trial
limitations, Hemopure's clinical trials demonstrate clinically significant
elimination of red blood cell transfusions.

In 1998, the FDA agreed to a protocol with a primary endpoint of 35% elimination
for Biopure's ongoing U.S. pivotal Phase III clinical trial in orthopedic
surgery patients. The most recently completed trial, a Phase III clinical trial
conducted in Europe and South Africa with non-cardiac surgery patients, showed
elimination of 43%.

The following chart summarizes Biopure's advanced clinical trials that Biopure
will use for the initial applications for marketing approval of Hemopure as an
alternative to red blood cell transfusions.

<TABLE>
<CAPTION>
                                                                NO. OF TOTAL
                                             DOSING: GRAMS     PATIENTS/NO. OF
                                              HEMOGLOBIN      PATIENTS TREATED
   TYPE OF SURGERY     DEVELOPMENT STATUS  (UNITS HEMOPURE)     WITH HEMOPURE         RESULTS
   ---------------     ------------------  ----------------   ----------------        -------
<S>                    <C>                 <C>                <C>                <C>
Elective orthopedic    U.S. pivotal Phase  Up to 300 grams         640/320       Trial ongoing
  surgery (ongoing)    III trial ongoing   (10 units) over 6
                                           days
Non-cardiac elective   Phase III trial     Up to 210 grams         160/83        43% elimination
surgery (1998)         completed in        (7 units) over 6                      of red blood cell
                       Europe and South    days                                  transfusions
                       Africa; the basis
                       for filing in
                       South Africa in
                       1999

Post cardiopulmonary   Phase II trial      Up to 120 grams          98/50        34% elimination
  bypass surgery       completed in the    (4 units) over 3                      of red blood cell
  (1996)               U.S.; supportive    days; first dose                      transfusions
                       trial for the       administered
                       South African 1999  post- surgery
                       Filing

Aortic aneurysm        Intraoperative      Up to 150 grams          72/48        27% elimination
  reconstruction       Phase II trial      (5 units) over 4                      of red blood cell
  surgery (1996)       completed in the    days; first dose                      transfusions
                       U.S.; supportive    administered
                       trial for the       during surgery,
                       South African 1999  if required
                       filing
</TABLE>

U.S. Pivotal Phase III Orthopedic Surgery Trial.  Biopure, with FDA agreement,
began a pivotal Phase III trial in the United States in March 1999 in elective
orthopedic surgery. Elective orthopedic surgery includes non-emergency surgery
involving bones and joints. The primary objective of this trial is

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the avoidance of red blood cell transfusions for six weeks after orthopedic
surgery. Biopure designed this randomized, red blood cell controlled,
multi-center study to enroll a total of 640 patients in the United States,
Europe, Canada and South Africa, of whom approximately one-half will be in the
Hemopure treatment group and the other half will receive red blood cells. Up to
300 grams of hemoglobin, or ten units of Hemopure, may be infused before, during
or after surgery for a total of up to six treatment days. The primary efficacy
endpoint of this trial is the elimination of red blood cell transfusions in 35%
of the patients who receive Hemopure.

Non-U.S. Phase III Non-cardiac Surgery Trial.  Biopure completed a Phase III
trial in Europe and South Africa in 1998 in non-cardiac surgery. Non-cardiac
surgery refers to surgery that does not involve the heart and can include
surgery of the digestive or urinary tract as well as orthopedic surgery. The
primary objective of this trial was the avoidance of red blood cell transfusions
for 28 days after non-cardiac surgery. This randomized, red blood cell
controlled, multi-center study enrolled 160 patients, 83 of whom were infused
with Hemopure. Up to 210 grams of hemoglobin, or seven units of Hemopure, were
permitted during a six-day treatment period. The trial resulted in the
clinically significant elimination of red blood cell transfusions in 43% of the
patients who received Hemopure.

U.S. Phase II Post Cardiopulmonary Bypass Surgery Trial.  Human testing was
completed in 1997 in a double-blind, randomized, red blood cell controlled,
multi-center study in post cardiopulmonary bypass surgery patients. During
cardiopulmonary bypass surgery, patients are connected to a heart and lung
machine that replaces functions of the heart and lungs during surgery. The
primary objective of this trial was the avoidance of red blood cell transfusions
for 28 days after surgery. The study treated 98 patients, 50 of whom were
infused with Hemopure. Up to 120 grams of hemoglobin, or four units of Hemopure,
were administered over a three-day treatment period following surgery. The trial
resulted in the clinically significant elimination of red blood cell
transfusions in 34% of the patients that received Hemopure. In this study, 100%
of the patients who received Hemopure did not require any red blood cells during
the day of surgery.

Additionally, Biopure observed that the hematocrit, or packed red blood cell
volume as a percentage of total blood volume, of the patients treated with
Hemopure recovered to a degree that was indistinguishable from the red blood
cell treated patients at both six and 28 days post-surgery. This observation
supports the potential use of Hemopure as an erythropoietic support.

U.S. Phase II Aortic Aneurysm Reconstruction Surgery Trial.  In 1998, Biopure
completed a randomized, red blood cell controlled, multi-center trial in
abdominal aortic aneurysm reconstruction surgery. Aortic aneurysm reconstruction
surgery involves repairing a damaged segment of the aorta, the body's principal
artery. This study treated 72 patients, 48 of whom were infused with Hemopure.
The maximum dosage was 150 grams of hemoglobin, 30 grams more than the post
cardiopulmonary bypass trial. Usually aortic aneurysm reconstruction surgery
involves much more blood loss than post cardiopulmonary bypass surgery. In this
trial, Hemopure was used during the surgery in contrast to the post
cardiopulmonary bypass trial, where use began after surgery. The trial resulted
in the clinically significant elimination of red blood cell transfusions in 27%
of the patients that received Hemopure.

Trauma

Biopure has observed a 100% elimination of red blood cell transfusions on the
day of surgery in patients infused with Hemopure. As a result, Biopure believes
that Hemopure could be infused immediately at the site of an accident,
potentially extending the time that a trauma patient could be supported awaiting
definitive hospital care. Hemopure also acts as an expander of blood volume, a
common therapy used to stabilize trauma patients. Biopure has initiated a Phase
II trial in non-cardiac surgery patients, including stabilized trauma patients.
This trial includes both military and civilian hospitals. In this Phase II
trial, Biopure may administer Hemopure to a maximum dose of 10 units or 300
grams of hemoglobin. Biopure expects this trial to provide information useful in
designing a clinical development plan for trauma.

In addition, preclinical animal model studies performed in academic and military
research laboratories have shown the benefit of using Hemopure in situations
involving severe trauma, hemorrhagic shock,
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<PAGE>   8

hemorrhagic shock with tissue injury and resuscitation from cardiac arrest
resulting from severe hemorrhage.

Ischemia

The ability of Hemopure molecules to circumvent partial occlusions could
potentially benefit patients suffering from ischemic conditions by supplying
oxygen to tissues that are receiving inadequate numbers of red blood cells.
Inadequate tissue oxygenation due to partial vessel blockage or constriction can
cause heart attack, angina and transient ischemic attack, which is a precursor
to stroke. In these situations, treatment with red blood cell transfusions would
not be effective because red blood cells are too large to navigate around
blockages. Biopure has completed preclinical studies with results supporting
these potential indications. One preclinical study demonstrated that infusing
Hemopure before there is a blockage in a coronary artery leading to a heart
attack can limit potential damage to the heart. Although Hemopure would not
attack the root cause of the ischemia, such as a clot or plaque in the arteries,
it could maintain oxygenation under certain circumstances and thereby sustain
tissue pending a correction of the blockage or could lessen the damage from
ischemia if infused in time. In 1996, the American Heart Association reported
that approximately 900,000 people in the United States each year experience
heart attacks, of which approximately one quarter are fatal. In its 1999 Heart
and Stroke Statistical Update, the American Heart Association reported that
approximately 600,000 people suffer a new or recurrent stroke each year.

Cancer Therapy Adjunct

Radiation therapy and many types of chemotherapy depend on the adequate
oxygenation of tumors to kill cancer cells. Malignant cancer tumors, such as
breast, prostate and other solid tumors, are dense tumors which often outgrow
their blood supply, leaving much of the tumor without oxygen. Consequently, they
resist chemotherapy and radiation treatment. Biopure, in collaboration with the
Dana-Farber Cancer Institute in Boston, has developed a patented method for
oxygenating hypoxic, or oxygen deficient, tumor cells that could potentially
increase the tumor-killing effects of radiation and chemotherapy. Preclinical
studies have shown the feasibility of this application. In 1999, Biopure
initiated clinical development of this indication.

Plasma-Expanding Agent

After blood loss, health care professionals typically administer human serum
albumin, or HSA, or other volume expanding fluids to restore blood volume.
Adequate blood volume is necessary to maintain effective blood pressure and
heart rate. HSA is a naturally occurring protein that is part of the plasma.
Hemopure molecules are also proteins. Hemopure maintains the volume of blood in
a manner similar to HSA. In patients suffering from severe blood loss, Biopure
believes that Hemopure would be preferable to currently available plasma
expanding agents, which do not carry or offload oxygen.

Hemodilution Agent

Acute normovolemic hemodilution, or ANH, is a technique that reduces the need
for donated blood. ANH refers to a practice where the patient donates one to
three units of blood immediately before surgery and is infused with a non-oxygen
plasma expander such as Ringer's lactate. The patient is then transfused with
his or her own blood during or after surgery. Biopure has administered Hemopure
in three clinical safety trials involving humans undergoing ANH. As an oxygen
carrier and a plasma-expanding agent, Hemopure could potentially temporarily
replace the oxygen-carrying support and volume lost from donating blood. Used in
this manner, Hemopure may enhance the safety of ANH or allow more units to be
safely withdrawn prior to surgery. Additionally, use of Hemopure in ANH
procedures would also allow for greater blood conservation, which could be
particularly valuable in times of shortages. At present, ANH is not widely used
in the United States but is more commonly used in Europe.

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Erythropoietic Agent

In Biopure's Phase II post cardiopulmonary bypass clinical trial, which compared
the post-operative use of Hemopure to donated red blood cells in cardiac
surgery, the hematocrit, or packed red blood cell volume as a percentage of
total blood volume, was similar for both the Hemopure-infused and the control
patients on the sixth day following surgery. Both groups maintained this
similarity when measured again at a follow-up visit 28 days after surgery,
suggesting that Hemopure may support the regeneration of red blood cells. In
addition, in one "compassionate use" case, a patient with a critically low
hematocrit, who received Hemopure but not red blood cells, was stabilized for
several days and then was able to restore her hematocrit. As such, Hemopure
could potentially be used in conjunction with, or as an alternative to,
erythropoietin, a hormone that enhances the production of red blood cells. A
preclinical study supports the use of Hemopure as an erythropoietic agent. This
study involved eight conscious sheep, all of which underwent an exchange
transfusion involving the replacement of at least 95% of their blood with an
early formulation of Hemopure. Even with critically low hematocrits, these
animals achieved stable hemodynamics, demonstrated no clinical signs of distress
and survived long term with a rapid resynthesis of their red blood cells.

OXYGLOBIN

Oxyglobin is identical to Hemopure except for its molecular size distribution,
and has the same advantages over red blood cells as Hemopure. The FDA Center for
Veterinary Medicine approved Oxyglobin in January 1998 and the European
Medicines Evaluation Agency approved Oxyglobin in December 1999 for the
treatment of canine anemia, regardless of cause. Oxyglobin's characteristics are
well suited for use by small animal practitioners for treatment of anemia and
other critical care situations involving acute blood loss. Acute blood loss
often results from surgery, trauma, hemolysis, gastrointestinal blood loss,
which is most frequently a result of parasitism or intestinal infection, urinary
tract blood loss, iron deficiency and rodenticide toxicity. Biopure estimates
that there are at least 15,000 small animal veterinary practices in the United
States and another 4,000 mixed animal practices treating small and large
animals. Biopure believes that the average veterinary practice treats only a
small percentage of canine anemia cases with a red blood cell transfusion. The
remainder receive either cage rest or a minimally effective treatment such as
fluid administration, iron supplements, nutritional supplements or inspired
oxygen.

Biopure obtained FDA approval in January 2000 to modify its product label to
provide for flexible dosing. Oxyglobin sales were $2.7 million in fiscal 1999
and $942,000 in fiscal 1998. Its strategy to increase the market for Oxyglobin
includes further expanding the Oxyglobin label as follows:

- - educating veterinarians on the range of uses for Oxyglobin and demonstrating
  that using Oxyglobin represents better medical practice;

- - add Japanese and other foreign approvals;

- - add the opportunity for repeat dosing -- expected FDA filing in 2000;

- - add other applications;

- - offer a smaller package size;

- - add other species; and

- - increase shelf life to three years.

MANUFACTURING

Biopure uses proprietary and patented purification and polymerization processes
in the manufacture of its oxygen therapeutic products. Biopure believes its
processes comply with current Good Manufacturing Practices established by the
FDA and comparable standards required in the European Union for
biopharmaceutical and chemical manufacturing and permit large-scale production
of the products for commercial use. Biopure's scientific and engineering team
has designed and built much of its large-scale

                                        9
<PAGE>   10

critical equipment. A proprietary computer software system operates and monitors
most aspects of this process. Biopure has produced consistent product, both
Hemopure and Oxyglobin, since 1991 and its facilities currently have the
capacity to produce 40,000 units of Hemopure or 140,000 units of Oxyglobin per
year. Through the installation of additional water supply and the completion of
its automated filling line, Biopure can attain capacity to produce 120,000 units
of Hemopure or 360,000 units of Oxyglobin per year in its current facilities.
This capacity can be used for any combination of Oxyglobin and Hemopure units.

Raw Material Source

Biopure's products consist of bovine hemoglobin that has been purified,
chemically modified and cross-linked for stability. Controlled herds of U.S.
cattle destined for meat processing provide the raw material used in Biopure's
products. Biopure monitors the source, health, location, feed consumption and
quality of the cattle to be used as a raw material source, a safety standard
that is not and cannot be established for donated human blood. Suppliers to
Biopure contract to maintain traceable records on animal origin, health, feed
and care to assure the use of known, healthy animals.

Raw Material Collection

At a high volume slaughterhouse, Biopure collects bovine whole blood into
individual presanitized containers and transports them to a separation facility.
Following blood collection, the animals pass U.S. Department of Agriculture, or
USDA, inspection for use as beef for human consumption. If an animal is not
approved for human consumption, Biopure also rejects the corresponding container
of whole blood. The USDA considers the United States to be free of pathogens
associated with "mad cow disease".

Safety

In addition to safety from bacterial and viral pathogens, such as those leading
to AIDS and hepatitis, Biopure's sourcing and manufacturing processes safeguard
humans from potential risks associated with diseases including transmissible
spongiform encephalopathies, more commonly known as the cause of diseases such
as "mad cow disease". Health and regulatory authorities have given guidance
directed at three factors to control these diseases: source of animals, nature
of tissue used and manufacturing process. Biopure complies with, and believes it
exceeds, all current guidelines regarding such risks for human pharmaceutical
products. Bovine red blood cells are considered to be safe, and blood generally
has been found to have little or no potential for transmitting transmissible
spongiform encephalopathies. Furthermore, Biopure's patented purification and
manufacturing process has been tested to demonstrate that the potential risk of
infectious disease transmission is insignificant.

Manufacturing Processes

At Biopure's separation facility, a filtration process removes plasma proteins
in the bovine blood. Washed cells are next placed in a centrifuge that separates
the red blood cells from the rest of the blood. The hemoglobin is extracted from
the red blood cells and is then diafiltered to remove red blood cell wall debris
and other contaminants. The resulting material is a cell-free hemoglobin
intermediate. A semi-continuous purification process involving a high
performance liquid chromatography process purifies the hemoglobin intermediate.
Next, the purified hemoglobin is polymerized, or linked, by the addition of a
cross-linking agent. Polymerized and stabilized material is then fractionated
and concentrated. The final product is filtered into sterilized batch holding
tanks until it is sterile filled into bags.

MARKETING

HEMOPURE

Upon receipt of FDA approval, if granted, Biopure expects to market Hemopure to
physician practices and hospitals. It also believes that military customers will
be significant. Biopure recognizes that it is crucial to establish a core belief
among opinion leaders that Hemopure fills an important medical need and that

                                       10
<PAGE>   11

systematic development of opinion leader advocacy is necessary for capturing and
maintaining a leadership position. Consequently, Biopure contracted with a
medical education agency to build product awareness and to position the company
in a leadership role through the development of advocates at the national and
regional levels. As part of this process, Biopure engaged a medical advisory
board consisting of 13 leading physicians who participated in an educational
program and forum with Biopure. This activity is not ongoing. Biopure expects to
reach anesthesiologists, surgeons, oncologists, critical care and other
physician-specialists through publications and educational forums, such as
seminars and presentations at meetings of specialists.

Biopure will explore various means of selling Hemopure. Among other options,
Biopure may seek to enter into licensing or co-marketing agreements for parts or
all of the world in order to avail itself of the marketing expertise of one or
more seasoned pharmaceutical companies. Alternatively, it could engage
"contract" sales organizations from vendors, contract pharmaceutical companies
that supply sales services or recruit and train its own marketing and sales
force.

OXYGLOBIN

Biopure began selling Oxyglobin in March 1998 to a discrete number of emergency
and specialty practices in the United States. Biopure began selling Oxyglobin
nationally in October 1998. Since October 1, 1998, Biopure has sold
approximately 34,000 units of Oxyglobin. Veterinarians report successful use of
Oxyglobin in critical care situations involving blood loss, destruction of red
blood cells and ineffective production of red blood cells. In 1999, Biopure
received veterinary approval to market Oxyglobin to treat canine anemia in the
European Union.

Biopure sells Oxyglobin directly to veterinarians in the United States through
veterinary product distributors -- one national and eight regional. Orders are
then drop shipped by Biopure directly. Biopure coordinates marketing and
distribution activities through five full-time sales employees.

Marketing programs have included advertising, direct mail, educational seminars,
conference calls and attendance at trade shows. Biopure has established a core
group of veterinary practices that use the product regularly. These
veterinarians are effective advocates of the product when interacting with other
veterinarians. Biopure sponsors evening seminars featuring these veterinarians.
Most veterinarians who buy the product reserve its use for the most severe
clinical situations. In May 1999, veterinarians paid an average of $124 per
15-gram hemoglobin unit. Biopure may seek one or more marketing alliances for
marketing and distribution of Oxyglobin in selected geographic areas.

COMPETITION

Hemopure will compete with traditional therapies and with other oxygen
therapeutics. Comparisons with traditional therapies, including red blood cell
transfusions, are described under "-- Scientific Overview", "-- Biopure's
Oxygenating Technology" and "-- Biopure's Products". Oxygen therapeutics under
development fall into two categories:

- - hemoglobin-based oxygen carriers, including Hemopure and Oxyglobin, consist of
  natural hemoglobin from a mammal or genetically engineered source that has
  been modified to improve stability, efficacy and safety; and

- - perfluorocarbon emulsions are chemicals administered intravenously.
  Perfluorocarbon emulsions are effective principally under conditions of high
  oxygen partial pressure to assist in oxygen delivery by forcing dissolved
  oxygen into the plasma space.

Biopure believes that the competitive factors for its oxygen therapeutics will
be efficacy, safety, ease of use and cost. Biopure believes that it has
significant advantages as compared to its competitors including:

- - patents covering its processes, its products and their uses;

- - large molecule size resulting in longer duration of action than most other
  oxygen therapeutics under development;
                                       11
<PAGE>   12

- - long-term room temperature stability;

- - completed and operational large-scale manufacturing facility compliant with
  current Good Manufacturing Practices;

- - safe, ample, inexpensive source of raw material;

- - FDA approval of Oxyglobin in 1998; and

- - EMEA approval of Oxyglobin in 1999.

Many of Biopure's competitors and potential competitors in the development of
oxygen therapeutic products have significantly greater financial and other
resources to develop, manufacture and market their products. Existing
competitors in the development of hemoglobin-based investigational products use
outdated human red blood cells or bovine hemoglobin as their raw material.
Biopure is aware of one first generation, genetically engineered investigational
product that advanced to human clinical trials, but its development was
discontinued. Biopure believes that its use of bovine red blood cells is an
advantage over products made from outdated donated human red blood cells because
of the availability, abundance, ability to control source, cost and relative
safety of bovine red blood cells. However, the use of bovine derived blood
products may encounter resistance from physicians and patients. Among other
things, public perceptions about the risk of "mad cow disease" may affect market
acceptance of Hemopure. Biopure also believes that competitors may find it
difficult to make or offer a hemoglobin-based oxygen carrier product having the
product characteristics of Hemopure without infringing on one or more Biopure
patents. In addition, the relatively low viscosity of Hemopure is a potential
advantage, particularly in large doses, in permitting perfusion at low blood
pressure.

Biopure is aware of one perfluorocarbon oxygen carrier in advanced clinical
trials. This product is a chemical fluid infused into the body. This chemical
attracts oxygen and takes it into the plasma. The patient needs an oxygen mask
for this process because perfluorocarbons require high oxygen environments in
order to be effective. The perfluorocarbon solution does not persist in the
body, so repeat dosing is necessary. These limitations may reduce the number of
potential applications for the product. As far as Biopure is aware, applications
pursued for this product do not include any of the applications Biopure might
pursue other than acute normovolemic hemodilution.

Biopure knows of no companies developing oxygen therapeutics intended to compete
with Oxyglobin in the veterinary market.

INTELLECTUAL PROPERTY

Patents, trademarks, trade secrets, technological know-how and other proprietary
rights are important to Biopure's business. Biopure actively seeks patent
protection both in the United States and abroad. Biopure filed its initial
patent in 1986 in the United States. Three U.S. patents have issued from this
filing. These patents describe and claim ultra-pure semi-synthetic blood
substitutes and methods for their preparation.

In total, Biopure has 17 U.S. patents granted and seven applications pending
relating to oxygen therapeutics. Biopure's granted U.S. patents relating to
oxygen therapeutics include:

- - two patents covering an ultra-purification process for hemoglobin solutions,
  regardless of the source of hemoglobin, which expire in 2011 and 2012, and
  three patents covering the ultra-pure oxygen therapeutic solutions produced by
  this process expiring in 2009, 2014 and 2019;

- - three patents regarding compositions having improved stability, of which two
  expire in 2015 and the third expires in 2016;

- - two patents, which expire in 2015 and 2016, covering improvements in
  preservation of such hemoglobin solutions;

- - two patents, which expire in 2015 and 2016, covering improved methods for
  separating polymerized from unpolymerized hemoglobin;

                                       12
<PAGE>   13

- - one patent, which expires in 2015, covering methods of oxygenating tissue
  affected by inadequate red blood cell flow;

- - one patent, which expires in 2016, covering the removal of pathogens, if
  present, from Biopure's source material; and

- - three patents, which expire in 2011, 2014 and 2015, covering methods for
  treating tumors.

Biopure also filed its original patent in Europe. Although granted, third
parties subsequently opposed Biopure's European patent. As a result of the
opposition proceeding, the patent was revoked. However, Biopure filed an appeal
that reinstated the patent during the appeal and is awaiting a decision on the
appeal. In the opposition process, Biopure narrowed its claims. Despite the
narrowing, Biopure believes that these claims provide protection for Biopure's
existing process and products. Biopure further believes that a narrowed European
patent should be sustained. During the opposition proceeding, some pre-existing
patents and articles not presented to the United States Patent Office during the
prosecution of patents already issued in the United States were presented to the
European Patent Office by the opponents. These preexisting patents and articles
are not expected to affect claims of Biopure patents in the rest of the world.
Biopure also has other foreign patents and patent applications.

Biopure believes that it is not economically practicable to determine in advance
whether its products, product components, manufacturing processes or the uses
infringe the patent rights of others. It is likely that, from time to time,
Biopure will receive notices from others of claims or potential claims of
intellectual property infringement or Biopure may be called upon to defend a
customer, vendee or licensee against such third-party claims. Responding to
these kinds of claims, regardless of merit, could consume valuable time, result
in costly litigation or cause delays, all of which could harm Biopure's
business. Responding to these claims could also require Biopure to enter into
royalty or licensing agreements with the third parties claiming infringement.
Such royalty or licensing agreements, if available, may not be available on
terms acceptable to Biopure.

EMPLOYEES

As of January 13, 2000, Biopure employed 163 persons. Of its total work force,
94 employees are engaged in manufacturing and related manufacturing support
services, 29 are engaged in research and development activities, 12 are engaged
in sales and marketing, primarily veterinary, and 28 are engaged in support and
administrative activities. None of Biopure's employees are covered by a
collective bargaining agreement. Biopure believes its relations with its
employees are good.

PAST COLLABORATIONS

In December 1990, Biopure and The Upjohn Company entered into an alliance to
develop and market Biopure's human and veterinary products. From that time until
1996, Biopure benefited from equity investment and development expenditures of
approximately $140.0 million and from the experience, personnel and facilities
of The Upjohn Company. From 1987 until 1996, Biopure had a license agreement
with B. Braun Melsungen AG, a German hospital supply company. This license
agreement and certain related agreements contemplated the product testing,
approval, manufacture and marketing of Biopure's products by B. Braun Melsungen
AG in Europe.

GOVERNMENT REGULATION

New Drug or Biologic Approval for Human Use

Governmental authorities in the United States and other countries extensively
regulate the testing, manufacturing, labeling, advertising, promotion, export
and marketing, among other things, of Biopure's oxygen therapeutic products. Any
oxygen therapeutic product administered to human patients is regulated as a drug
or a biologic drug and requires regulatory approval before it may be
commercialized.

                                       13
<PAGE>   14

In the United States, Hemopure is regulated as a human biologic. The FDA will
require Biopure to file and obtain approval of a Biologics License Application
covering both Hemopure and the facility in which it is manufactured.

The steps required before approval of a biologic for marketing in the United
States generally include:

- - preclinical laboratory tests and animal tests;

- - the submission to the FDA of an Investigational New Drug, or IND, application
  for human clinical testing, which must become effective before human clinical
  trials may lawfully commence;

- - adequate and well-controlled human clinical trials to establish the safety and
  efficacy of the product;

- - the submission to the FDA of a Biologics License Application;

- - FDA review of the Biologics License Application; and

- - satisfactory completion of an FDA inspection of the manufacturing facilities
  at which the product is made to assess compliance with current Good
  Manufacturing Practices which includes elaborate testing, control,
  documentation and other quality assurance procedures.

The testing and approval process requires substantial time, effort and financial
resources. After approval is obtained, a supplemental approval is generally
required for each proposed new indication, often accompanied by data similar to
that submitted with the original Biologics License Application.

Preclinical studies include laboratory evaluation of the product and animal
studies to assess the safety and potential efficacy of the product. The results
of the preclinical studies, together with manufacturing information and
analytical data, are submitted to the FDA as part of the IND. The IND
automatically will become effective in 30 days unless the FDA, before that time,
raises concerns or questions and imposes a "clinical hold". In such case, the
IND sponsor and the FDA must resolve any outstanding concerns before the trial
can proceed. Once trials have commenced, the FDA may stop the trials, or
particular types of trials, by imposing a clinical hold because of concerns
about, for example, the safety of the product being tested or the adequacy of
the trial design.

Clinical trials involve the administration of investigational products to
healthy volunteers or patients under the supervision of a qualified principal
investigator consistent with an informed consent. An independent Institutional
Review Board, or IRB, or ethics committee must review and approve each clinical
trial at each institution at which the study will be conducted. The IRB or
ethics committee will consider, among other things, ethical factors, the safety
of human subjects and the possible liability of the institution.

Clinical trials typically are conducted in three sequential phases, but the
phases may overlap. In Phase I, the initial introduction of the drug into human
subjects, the drug is usually tested for safety or adverse effects, dosage
tolerance, absorption, metabolism, distribution, excretion and pharmacodynamics.
Phase II clinical trials usually involve studies in a limited patient population
to evaluate the efficacy of the drug for specific, targeted indications,
determine dosage tolerance and optimal dosage and identify possible adverse
effects and safety risks. Phase III clinical trials generally further evaluate
clinical efficacy and test further for safety within an expanded patient
population and at multiple clinical sites. Phase IV clinical trials are
conducted after approval to gain additional experience from the treatment of
patients in the intended therapeutic indication. If the FDA approves a product,
additional clinical trials may be necessary. A company may be able to use the
data from these clinical trials to meet all or part of any Phase IV clinical
trial requirement. These clinical trials are often referred to as Phase III/IV
post-approval clinical trials.

Biopure believes that its ongoing U.S. pivotal Phase III clinical trial is
consistent with the FDA's most recent guidance on the design and efficacy and
safety endpoints required for approval of products such as Hemopure. However,
the FDA could change its view or require a change in study design, additional
data or even further clinical trials prior to approval of Hemopure.

The results of the preclinical studies and clinical trials, together with
detailed information on the manufacture and composition of the product, are
submitted to the FDA in the application requesting

                                       14
<PAGE>   15

approval to market the product. Before approving a Biologics License
Application, the FDA will inspect the facilities at which the product is
manufactured and will not approve the product unless the manufacturing facility
is in compliance with current Good Manufacturing Practices. The FDA may delay
approval of a Biologics License Application if applicable regulatory criteria
are not satisfied, require additional testing or information, and/or require
postmarketing testing and surveillance to monitor safety, purity or potency of a
product. It may also limit the indicated uses for which an approval is given.

New Drug Approval for Veterinary Use

New drugs for companion animals must receive New Animal Drug Application, or
NADA, approval prior to marketing in the U.S. The requirements for approval are
similar to those for new human drugs. Obtaining NADA approval often requires
clinical field trials and the submission of an Investigational New Animal Drug
Application, which for non-food animals becomes effective upon acceptance for
filing.

Pervasive and Continuing Regulation

Any product approvals that are granted remain subject to continual FDA review,
and newly discovered or developed safety or efficacy data may result in
withdrawal of products from marketing. Moreover, if and when such approval is
obtained, the manufacture and marketing of Biopure's products remain subject to
extensive regulatory requirements administered by the FDA and other regulatory
bodies, including compliance with current Good Manufacturing Practices, adverse
event reporting requirements and the FDA's general prohibitions against
promoting products for unapproved or "off-label" uses. Biopure is subject to
inspection and market surveillance by the FDA for compliance with these
regulatory requirements. Failure to comply with the requirements can, among
other things, result in warning letters, product seizures, recalls, fines,
injunctions, suspensions or withdrawals of regulatory approvals, operating
restrictions and criminal prosecutions. Any such enforcement action could have a
material adverse effect on Biopure. Unanticipated changes in existing regulatory
requirements or the adoption of new requirements could also have a material
adverse effect on Biopure.

Biopure also is subject to numerous federal, state and local laws relating to
such matters as safe working conditions, manufacturing practices, environmental
protection, fire hazard control and hazardous substance disposal.

Foreign Regulation

Biopure will be subject to a variety of regulations governing clinical trials
and sales of its products outside the United States. Biopure must obtain
approval of its products by the comparable non-U.S. regulatory authorities prior
to the commencement of product marketing in the country whether or not Biopure
has obtained FDA approval. The approval process varies from country to country
and the time needed to secure approval may be longer or shorter than that
required for FDA approval. The European Union requires approval of a Marketing
Authorization Application by the European Medicines Evaluation Agency. These
applications require the completion of extensive preclinical and clinical
studies and manufacturing and controls information.

Reimbursement

Biopure's ability to successfully commercialize its human product will depend in
significant part on the extent to which reimbursement of the cost of such
product and related treatment will be available from government health
administration authorities, private health insurers and other organizations.
Third-party payors are increasingly challenging the price of medical products
and services. Significant uncertainty exists as to the reimbursement status of
newly approved health care products, and there can be no assurance that adequate
third-party coverage will be available to enable Biopure to maintain price
levels sufficient for realization of an appropriate return on its investment in
product development. The public and the federal government have recently focused
significant attention on reforming the health care system in the United States.
A number of health care reform measures have been suggested, including price
controls on

                                       15
<PAGE>   16

therapeutics. Public discussion of such measures is likely to continue, and
concerns about the potential effects of different possible proposals have been
reflected in the volatility of the stock prices of companies in the health care
and related industries.

RESEARCH AND DEVELOPMENT

In fiscal 1999, 1998 and 1997 our research and development expenses, including
clinical trials, were $24.2 million, $23.0 million and $23.5 million.

ITEM 2.  PROPERTIES

Biopure has manufacturing facilities in Pennsylvania for the collection and
separation of blood and in Cambridge, Massachusetts where processing is
completed. The FDA has inspected these facilities and determined that they
comply with current Good Manufacturing Practices. The Medicines Control Agency,
on behalf of the European Medicines Evaluation Agency, has also inspected
Biopure's facilities.

Biopure manufactures separation materials in a 10,000 square foot plant in New
Hampshire. The current annual lease payment for this facility is $38,000. The
lease expires on March 31, 2000. Biopure has an option to extend this lease for
an additional five years.

Biopure leases two facilities for office and research space in Massachusetts.
One lease covers 24,000 square feet, and its current annual lease payment is
$239,000. This lease expires on December 31, 2007. Biopure has an option to
extend this lease for ten five-year periods, or an additional 50 years. The
other lease covers 13,000 square feet, and its current annual lease payment is
$378,000. This lease expires on August 31, 2001. Biopure does not have an option
to extend this lease. It leases 18,000 square feet of warehouse space in
Massachusetts. The current annual lease payment for this facility is $95,000.
The lease expires on September 30, 2001. Biopure has an option to extend this
lease for two five-year periods, or an additional ten years.

Biopure leases 32,000 square feet of manufacturing space under three leases in
Massachusetts. The current annual lease payments for these facilities is
$236,000. The leases expire on November 30, 2000. Biopure has an option to
extend these leases for five five-year periods, or an additional 25 years, with
an exclusive right to negotiate for an additional 25 years. Biopure also leases
18,000 square feet of manufacturing space in Pennsylvania. The current annual
payment for a ground lease for this facility is $21,000. The lease expires on
October 20, 2014. Biopure has an option to extend this lease for nine years.

Biopure's current process is designed to be scalable, such that additional
capacity can be obtained by adding duplicate equipment and additional raw
material including power and water. However, Biopure is space constrained at its
existing facility in Cambridge, Massachusetts, so it anticipates that it will
need to add a new facility at a new location prior to large-scale
commercialization of Hemopure.

ITEM 3.  LEGAL PROCEEDINGS

Biopure is a party to an action filed on July 18, 1990 in the United States
District Court for the District of Massachusetts under the caption Peter Fisher,
et al. v. William P. Trainor, et al. In this litigation, the plaintiffs alleged
breach of agreements by Biopure and against one another. Biopure is also a party
to a related action filed on November 8, 1990 in the United States District
Court for the District of Massachusetts under the caption Bio-Vita Ltd., et al.
v. Carl W. Rausch, et al.

Summary judgments were entered against the plaintiffs in both of these actions
in 1994. The plaintiffs appealed. One appeal filed in Bio-Vita Ltd., et al. v.
Carl W. Rausch, et al. was voluntarily dismissed and the other was remanded to
the trial court. The other appeal was remanded to the trial court for further
findings based on lack of jurisdiction. This jurisdictional issue has been
briefed following additional discovery and is before the trial court. The
remaining plaintiff is seeking $250.0 million in damages. Biopure believes that
the ultimate resolution of this matter will not have a material adverse effect
on its financial position or results of operations.

                                       16
<PAGE>   17

In addition, proceedings in Europe are ongoing with regard to Biopure's European
patent. Biopure was granted a patent on April 1, 1992 by the European Patent
Office. Within the nine-month period from the grant date for the filing of
oppositions, six parties filed oppositions requesting that all of the claims of
this patent be revoked. Of these, three opposing parties remain: Baxter
International, Enzon, Inc. and Northfield Laboratories, Inc. Following oral
proceedings conducted by the Opposition Division at the European Patent Office
in November 1995, the Opposition Division revoked the patent.

Biopure has appealed this decision of the Opposition Division and is currently
awaiting a decision on its appeal. The appeal has the technical result of
reinstating the patent during the appeal process. Prior to filing its appeal
papers, Biopure narrowed its claims further to increase the probability of
winning at the appeal level. Biopure further believes that a narrowed patent
should be sustained.

Future claims against Biopure may arise and, if they do, there can be no
assurance that they will be successfully defended.

ITEM 4.  SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS

No matters were submitted to a vote of security holders during the fourth
quarter of the fiscal year covered by this report.

                                       17
<PAGE>   18

EXECUTIVE OFFICERS OF THE COMPANY

The executive officers of Biopure are as follows:

<TABLE>
<CAPTION>
                 NAME                    AGE                    TITLE
- ---------------------------------------  ---   ---------------------------------------
<S>                                      <C>   <C>
Carl W. Rausch.........................  51    Chairman and Chief Executive Officer
Paul A. Looney.........................  59    President
Francis H. Murphy......................  61    Chief Financial Officer
Maria S. Gawryl, Ph.D. ................  45    Senior Vice President, Research and
                                               Development
Edward E. Jacobs, Jr., M.D. ...........  59    Senior Vice President
Jane Kober.............................  56    Senior Vice President, General Counsel
                                               and Secretary
Bing L. Wong, Ph.D. ...................  52    Senior Vice President, International
Bernadette L. Alford, Ph.D. ...........  50    Vice President, Regulatory Affairs
Geoffrey J. Filbey.....................  56    Vice President, Engineering
Carolyn R. Fuchs.......................  47    Vice President, Human Resources
William D. Hoffman, M.D. ..............  46    Chief Medical Officer
Andrew W. Wright.......................  40    Vice President, Veterinary Products
</TABLE>

CARL W. RAUSCH is a co-founder and has served as Chairman and Chief Executive
Officer of Biopure since 1984. From 1984 until July 1, 1999, Mr. Rausch was also
President of Biopure. Prior to Biopure's founding, Mr. Rausch was Vice
President, Preparative and Process, at Millipore Corporation. He holds an M.S.
degree in chemical engineering from Tufts University, an M.S. degree in chemical
engineering from the Massachusetts Institute of Technology and a B.S. degree in
chemical engineering from Tufts University.

PAUL A. LOONEY became President of Biopure on July 1, 1999. Since May 1995, Mr.
Looney has been a consultant to various biotechnology companies. Between
September 1993 and May 1995, Mr. Looney was the Chief Executive Officer, Chief
Operating Officer and President of Corning Costar Inc. Between 1987 and
September 1993, Mr. Looney was President of Costar Inc.

FRANCIS H. MURPHY became Chief Financial Officer of Biopure on November 30,
1999. Most recently Mr. Murphy had been International Vice President and
business manager for Japan, Latin America and Asia Pacific for the Corning
Science Product Division of Corning Incorporated. He holds an M.B.A. degree from
Boston University and a B.S. degree in industrial engineering and a B.A. degree
from Rutgers University.

MARIA S. GAWRYL, PH.D. has been Senior Vice President, Research and Development
of Biopure since April 1999. From September 1990 to April 1999, she was Vice
President, Research and Development. Dr. Gawryl holds a Ph.D. in immunology from
the University of Connecticut. She did post-doctoral work at the University of
Connecticut Health Center and Rush Presbyterian, St. Luke's Medical Center. She
holds a B.S. degree in math and chemistry from Antioch College.

EDWARD E. JACOBS, JR., M.D. has been a Senior Vice President of Biopure since
August 1997. From April 1995 to August 1997, he was Senior Medical Advisor of
Biopure. Since 1988, he has been an Assistant Clinical Professor at Harvard
Medical School. He holds an M.D. degree from Harvard Medical School and a B.A.
degree in philosophy from Princeton University.

JANE KOBER has been Senior Vice President, General Counsel and Secretary of
Biopure since May 1998. From June 1989 to April 1998, she was a partner in
LeBoeuf, Lamb, Greene & MacRae, L.L.P. Ms. Kober holds a J.D. degree from Case
Western Reserve University, an M.A. degree from the University of Chicago and a
B.A. in English from the Pennsylvania State University. She serves as a director
of HTV Industries, Inc.

                                       18
<PAGE>   19

BING L. WONG, PH.D. has been a Senior Vice President, International of Biopure
since May 1999. From June 1992 to May 1999, Dr. Wong was a Senior Vice
President, Development of Strategic Business Ventures. Dr. Wong taught in the
Chemical Engineering Department at Tufts University as Assistant Professor and
Adjunct Associate Professor while he served as Associate and Acting Director of
the New England Enzyme Center. He holds M.S. and Ph.D. degrees from the
Department of Chemical Engineering, Tufts University and a B.S. degree from the
Department of Chemical Engineering, National Taiwan University.

BERNADETTE L. ALFORD, PH.D. has been Vice President, Regulatory Affairs of
Biopure since September 1998. From September 1994 to September 1998, she was
Senior Vice President, Product Development for Alexion Pharmaceuticals Inc. She
holds a Ph.D. degree in molecular biology and an M.S. degree in biochemistry
from Texas University and a B.S. degree in biology from Marywood University.

GEOFFREY J. FILBEY joined Biopure in 1985 and has served as Vice President,
Engineering since 1995. Mr. Filbey holds a B.Sc. degree in engineering from the
City University in London, England.

CAROLYN R. FUCHS has served as Vice President, Human Resources since June 1998.
From October 1996 to June 1998, she was an independent consultant. From May 1991
to October 1996, she worked at National Medical Care. Ms. Fuchs holds an M.Ed.
degree in counseling and a B.S. degree in psychology from the University of
Massachusetts at Amherst.

WILLIAM D. HOFFMAN, M.D. joined Biopure in January 1998 as Director of Medical
Affairs and was named Chief Medical Officer in March 1999. From 1994 until
January 1998, Dr. Hoffman was Director of Surgical Intensive Care at The
Cleveland Clinic Foundation. He holds an M.D. degree from the University of
Massachusetts Medical School and a B.S. degree in physics from Carnegie-Mellon
University.

ANDREW W. WRIGHT has been Vice President, Veterinary Products of Biopure since
August 1996. From March 1992 to August 1996, Mr. Wright worked with IDEXX
Laboratories, Inc. where he held several management positions, including
Director of Corporate Development, Director of Marketing and Senior Product
Manager. He holds an M.B.A. degree from the University of Chicago and a B.A.
degree in economics from Carleton College.

                                       19
<PAGE>   20

                                    PART II

ITEM 5.  MARKET FOR REGISTRANT'S COMMON EQUITY AND RELATED
         STOCKHOLDER MATTERS

(a) The Company's Class A Common Stock is traded in the over-the-counter market
and is quoted on the NASDAQ National Market under the trading symbol "BPUR".

The following table sets forth the high and low sale prices for the Class A
Common Stock for each of the quarters in the year ended October 31, 1999, as
reported by the NASDAQ National Market beginning July 30, 1999, when the Class A
Common Stock was first traded. The quotations shown represent inter-dealer
prices without adjustments for retail markups, markdowns or commissions, and may
not necessarily reflect actual transactions.

<TABLE>
<CAPTION>
                                                       HIGH      LOW
                                                      ------    -----
<S>                                                   <C>       <C>
Year Ended October 31, 1999
Third Quarter (July 30 - 31)                          $11.25    $9.75
  Fourth Quarter                                       14.19     6.31
</TABLE>

As of December 31, 1999 there were 337 holders of record of the Class A Common
Stock.

The Company did not pay dividends on its Class A Common Stock during the two
fiscal years ended October 31, 1999 and does not plan to pay dividends on its
Class A Common Stock in the foreseeable future.

(b) The effective date of Biopure's first registration statement filed under the
Securities Act of 1933, file No. 333-78829, was July 29, 1999. Proceeds of the
offering were applied from August 4, 1999 through October 31, 1999 as follows:
repayment of a loan from Pharmacia & Upjohn, Inc. -- $4.5 million; repurchase of
1,694,273 shares of Class A Common Stock from a stockholder -- $4.0 million;
funding clinical trials -- $3.4 million; working capital -- $3.0 million; and
temporary investments in high grade commercial paper.

                                       20
<PAGE>   21

ITEM 6.  SELECTED FINANCIAL DATA

Set forth below is the selected financial data for Biopure for the five fiscal
years ended October 31, 1999.

<TABLE>
<CAPTION>
                                                --------------------------------------------------------
                                                             FISCAL YEAR ENDED OCTOBER 31,
                                                --------------------------------------------------------
                                                  1999        1998        1997        1996        1995
                                                --------    --------    --------    --------    --------
<S>                                             <C>         <C>         <C>         <C>         <C>
In thousands, except per share data
STATEMENTS OF OPERATIONS DATA:
Total revenues................................  $  2,866    $  1,131    $     --    $     71    $     46
Cost of revenues..............................     6,814       1,543          --          --          --
                                                --------    --------    --------    --------    --------
Gross profit (loss)...........................    (3,948)       (412)         --          71          46
Operating expenses:
  Research and development....................    24,166      22,950      23,494      18,924      16,498
  Sales and marketing.........................     2,922       2,444         694          --          --
  General and administrative..................     5,266       4,660       2,920       3,506       3,945
                                                --------    --------    --------    --------    --------
Total operating expenses......................    32,354      30,054      27,108      22,430      20,443
                                                --------    --------    --------    --------    --------
Income (loss) from operations.................   (36,302)    (30,466)    (27,108)    (22,359)    (20,397)
Total other income (expense)..................       772         419        (310)        765        (623)
                                                --------    --------    --------    --------    --------
Net income (loss).............................   (35,530)    (30,047)    (27,418)    (21,594)    (21,020)
Stock dividends on preferred stock............   (17,915)         --          --          --          --
                                                --------    --------    --------    --------    --------
Net loss applicable to common stockholders....  $(53,445)   $(30,047)   $(27,418)   $(21,594)   $(21,020)
                                                ========    ========    ========    ========    ========
Historical basic net income (loss) per common
  share.......................................  $  (3.61)   $  (2.41)   $  (2.23)   $  (1.77)   $  (1.73)
Historical weighted-average common shares
  outstanding.................................    14,813      12,460      12,300      12,215      12,171
Pro forma basic net income (loss) per common
  share.......................................  $  (2.62)   $  (1.65)
Pro forma weighted-average common shares
  outstanding.................................    20,369      18,237
</TABLE>

<TABLE>
<CAPTION>
                                                     ---------------------------------------------------
                                                                       AT OCTOBER 31,
                                                     ---------------------------------------------------
                                                      1999       1998       1997       1996       1995
                                                     -------    -------    -------    -------    -------
<S>                                                  <C>        <C>        <C>        <C>        <C>
In thousands
BALANCE SHEET DATA:
Cash and cash equivalents..........................  $30,778    $ 6,063    $13,527    $12,772    $ 7,924
Total current assets...............................   38,277     13,175     15,221     13,636     10,453
Working capital....................................   27,872      1,986      5,368      8,111      3,406
Net property and equipment.........................   27,447     29,606     27,408     29,438     28,272
Total assets.......................................   66,230     44,848     44,054     43,462     40,218
Long-term debt (including current portion).........       --      6,000      8,000      9,000         --
Common stock to be repurchased.....................       --      6,300      6,300         --         --
Total stockholders' equity.........................   54,037     21,449     20,222     26,417     31,875
</TABLE>

                                       21
<PAGE>   22

ITEM 7.  MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS
         OF OPERATIONS

The following discussion of our financial condition and results of operations
should be read in conjunction with the Consolidated Financial Statements and the
related Notes included elsewhere in this report. This discussion contains
forward-looking statements that involve risks and uncertainties. Our actual
results may differ materially from those anticipated in these forward-looking
statements.

OVERVIEW

We are a leading developer, manufacturer and marketer of oxygen therapeutics.
Our oxygen therapeutics are pharmaceuticals that one administers intravenously
into the circulatory system to increase oxygen delivery to the body's tissues.
We have developed and manufacture, using a proprietary process and patented
technology, two hemoglobin-based oxygen carriers. Hemopure, for human use, is
currently in a pivotal Phase III clinical trial in the United States. Oxyglobin,
for veterinary use, is the only hemoglobin-based oxygen carrier approved by the
FDA and the European Medicines Evaluation Agency.

Since inception, we have devoted substantially all of our resources to our
research and development programs and manufacturing. We have been dependent upon
funding from debt and equity financings, strategic corporate alliances,
licensing agreements and interest income. We have not been profitable since
inception and had an accumulated deficit of $250.4 million as of October 31,
1999. We expect to incur additional operating losses over the next several years
in connection with clinical trials, pre-marketing expenditures for Hemopure,
expanded marketing of Oxyglobin and increases in production. We began generating
revenue from the sale of Oxyglobin in fiscal 1998.

RESULTS OF OPERATIONS

Fiscal Years Ended October 31, 1999 and 1998

Total revenues were $2.9 million in fiscal 1999, as compared to $1.1 million in
fiscal 1998, an increase of approximately 153.4%. Revenues in fiscal 1999
included $2.8 million of Oxyglobin sales as compared to $942,000 in fiscal 1998,
an increase of approximately 191.8%. Product sales of Oxyglobin represent
approximately 95.9% of the Company's total revenues in fiscal 1999 as compared
to 83.3% in fiscal 1998. Oxyglobin sales commenced in mid-March 1998 to
emergency and specialty practices in the United States. We launched Oxyglobin
nationally in October 1998. Total revenues also reflect $117,000 and $189,000 in
fiscal 1999 and 1998 respectively, from license and development activities,
grants and product sales unrelated to our oxygen therapeutic products.

Cost of revenues totaled $6.8 million in fiscal 1999, an increase of $5.3
million or 341.6% as compared to fiscal 1998. We did not record any cost of
revenues in the first nine months of fiscal 1998. Cost of revenues in fiscal
1999 reflects the direct costs associated with the production of Oxyglobin and
allocation of a portion of the fixed costs of the unused production capacity.
The remainder of these fixed costs and the direct costs of production of
clinical trial materials were allocated to research and development.

Research and development expenses increased 5.3% to $24.2 million in fiscal 1999
from $23.0 million in fiscal 1998. The increase was primarily due to the
expenses associated with an increase in Phase III clinical trial activities for
Hemopure and an increase in other development efforts related to ongoing
research and development programs. Increases in research and development
expenses are offset to an extent by the reduction in the allocation of
manufacturing expenses previously charged against it. We expect that in the
near-term, research and development expenses will remain stable as we continue
our development efforts with respect to potential uses for Hemopure.

Sales and marketing expenses increased 19.6% to $2.9 million in fiscal 1999 from
$2.4 million in fiscal 1998. This increase was primarily due to increased sales
and marketing personnel, as well as selling, advertising, marketing and
distribution expenses related to the national product launch of Oxyglobin.

                                       22
<PAGE>   23

General and administrative expenses increased 13.0% to $5.3 million in fiscal
1999 from $4.7 million in fiscal 1998. This was attributable to increased
management personnel, in part attendant to Biopure's becoming publicly traded,
partially offset by decreased market research, public relations and other
consulting expenses.

Total other income (expense) consists primarily of interest income and other
non-product related income partially offset by interest expense and other
non-operating expenses. Total other income (expense) was income of $772,000 in
fiscal 1999 compared to $419,000 in fiscal 1998. This increase of $353,000 was
primarily attributable to a reduction in interest expense resulting from the
retirement of long term debt with proceeds utilized from the public offering.

Historical basic net loss per common share for fiscal 1999 was $3.61, compared
to $2.41 for the same period in 1998. The pro forma basic net loss per common
share for fiscal 1999 was $2.62, compared with $1.65 for the same period in
1998. The 1999 historical and pro forma basic net loss per common share include
a one-time charge of $1.21 and $0.88, respectively, associated with $17,915,000
in common stock dividends issued to preferred stockholders. Historical basic net
loss per share is computed based on the weighted-average number of common shares
outstanding during the period. Pro forma basic net loss per share is computed
using the weighted-average number of outstanding shares assuming conversion of
all convertible preferred shares into common shares at date of original
issuance.

Fiscal Years Ended October 31, 1998 and 1997

Total revenues were $1.1 million in fiscal 1998. We did not realize any revenues
in fiscal 1997. Revenues in fiscal 1998 included $942,000 of Oxyglobin sales.
Oxyglobin sales commenced in mid-March of fiscal 1998 to a discrete number of
emergency and specialty practices in the United States. We launched Oxyglobin
nationally in October 1998. Total revenues in fiscal 1998 also reflect $189,000
from license and development activities and product sales unrelated to our
oxygen therapeutic products.

Cost of revenues was $1.5 million in fiscal 1998. We did not realize any cost of
revenues in fiscal 1997. Cost of revenues in fiscal 1998 reflects the allocation
of a portion of the manufacturing costs after FDA approval for Oxyglobin and
completion of a process expansion project in August 1998. These costs were
entirely allocated to research and development expenses prior to August 1998.

Research and development expenses decreased 2.3% to $23.0 million in fiscal 1998
from $23.5 million in fiscal 1997. This decrease was attributable to the $1.5
million allocation of manufacturing expenses associated with the production of
Oxyglobin to cost of revenues from research and development expenses. This
decrease was partially offset by an increase in preclinical activities during
fiscal 1998 as compared to fiscal 1997.

Sales and marketing expenses increased 252.2% to $2.4 million in fiscal 1998
from $694,000 in fiscal 1997. This increase was primarily attributable to
increased sales and marketing personnel and product launch, selling, marketing
and distribution expenses related to Oxyglobin.

General and administrative expenses increased 59.6% to $4.7 million in fiscal
1998 from $2.9 million in fiscal 1997. This increase was primarily attributable
to the addition of five people in the general and administrative department, in
part in anticipation of Biopure's initial public offering, and expenses related
to Hemopure market research and public relations activities.

Total other income (expense) was income of $419,000 in fiscal 1998 compared to
an expense of $310,000 in fiscal 1997. This change of $729,000 was primarily
associated with increased interest income from higher average cash balances
which were approximately $21.6 million in fiscal 1998 compared to $10.6 million
in fiscal 1997.

LIQUIDITY AND CAPITAL RESOURCES

At October 31, 1999, we had current assets of $38.3 million, which consisted
primarily of $30.8 million in cash and cash equivalents, $3.2 million in net
inventory and $3.5 million held in an escrow account by

                                       23
<PAGE>   24

Biopure as a settlement payment by which we reacquired shares of class A common
stock and license rights. At October 31, 1999, current liabilities were $10.4
million. The $30.8 million in cash and cash equivalents at October 31, 1999 is a
net increase of $24.7 million since October 31, 1998. The increase in cash and
cash equivalents is primarily attributable to $67.8 million in net proceeds from
the sale of preferred and common stock offset by $30.2 million used in
operations, $6.0 million used to repay long-term debt, $6.0 million used to
repurchase common stock and $1.8 million invested in property and equipment.

We have financed operations from inception primarily through sales of equity
securities, development and license agreement payments, interest income and
debt. Our primary investment objective is preservation of principal and
currently we invest in high grade commercial paper. We have not been profitable
since inception and had an accumulated deficit of $250.4 million as of October
31, 1999. We will continue to generate losses for the foreseeable future. We
believe our current cash and cash equivalents should be sufficient to meet our
projected requirements until July 2000, including the anticipated completion of
our pivotal Phase III trial. Our cash requirements may vary significantly from
current projections. In order for us to remain a going concern we will require
significant funding. We are exploring opportunities to raise capital through
equity offerings, the issuance of debt securities, strategic alliances and other
financing vehicles. However, additional financing or strategic alliances may not
be available when needed, or, if available, may not be on favorable terms. Our
forecast of the period of time through which our financial resources would be
adequate to support our operations is forward-looking information and, as such,
actual results may vary.

On August 4, 1999 the Company received $39.06 million of proceeds from its
initial public offering (IPO) of 3,500,000 shares of class A common stock, at a
price of $12.00 per share, before estimated expenses of $1.36 million. Upon the
closing of the IPO, all shares of preferred stock converted into shares of class
A common stock and reflected a reverse two for three stock split. The holders of
the series B convertible preferred stock received an additional 280,000 shares
in the aggregate upon conversion and the holders of the series C convertible
preferred stock received an additional 1,200,000 shares in the aggregate upon
conversion. The fair market value of such additional shares has been treated,
for accounting purposes, as a dividend. Consequently, the Company recorded a
dividend of $17.76 million in the third quarter of 1999.

On August 5, 1999 the Company paid $4.0 million, which was in addition to an
existing balance of $1.0 million in an escrow account, to complete the
repurchase of 1,694,273 shares of its class A common stock from a shareholder.

We plan to spend approximately $8.0 million on capital projects for our existing
facilities over the next two years. We will also need to construct additional
manufacturing facilities to attain annual capacity in excess of 120,000 units of
Hemopure. We may incur additional costs in fiscal 2000 to begin engineering and
design work for these facilities.

As of October 31, 1999, we had net operating loss carryforwards of approximately
$161.0 million to offset future federal and state taxable income through 2019.
Due to the degree of uncertainty related to the ultimate realization of such
prior losses, no benefit has been recognized in our financial statements as of
October 31, 1999. Utilization of such losses in future years may be limited
under the change of stock ownership rules of the Internal Revenue Service.

RECENTLY ISSUED ACCOUNTING STANDARDS

In June 1998, the FASB issued SFAS No. 133, Accounting for Derivative
Instruments and Hedging Activities, which will be effective for the Company in
the first quarter of fiscal 2001. The Company is currently evaluating the effect
that implementation of the new standard will have on its financial statements
but believes the effect will be immaterial.

                                       24
<PAGE>   25

YEAR 2000 COMPLIANCE

Some currently installed computer systems and software products are coded to
accept or recognize only two digit entries in the date code field. These systems
and software products will need to accept four digit entries to distinguish 21st
century dates from 20th century dates. As a result, computer systems and
software used by many companies and governmental agencies may need to be
upgraded to comply with such Year 2000 requirements or risk system failure or
miscalculations causing disruptions of normal business activities.

State of Readiness

We have made an assessment of the ability of our critical information and
non-critical information systems to function properly with respect to dates in
the year 2000 and thereafter. We have based this assessment upon communications
with equipment and software vendors, literature supplied with software and in
connection with maintenance contracts and test evaluations of our systems. Our
critical systems are defined as: transactional systems affecting product
manufacturing, delivery and quantity; systems which play an infrastructure role
in supporting our business and scientific operations; and systems which use
forward-looking or date-based forecasting such as sample or batch expiration
dates.

We have identified potential problems in some of our critical systems and began
repairing, upgrading or replacing such systems in the second quarter of fiscal
1999. We completed the process of repairing, upgrading or replacing both
critical and non-critical systems by the end of calendar year 1999. The rollover
to the year 2000 occurred with no disruption to our business. We will continue
to monitor and remediate any problems that occur in the first calendar quarter
of 2000.

Costs

As of January 7, 2000, we have incurred approximately $230,000 in costs in
connection with Year 2000 compliance issues. These costs include certain
information systems equipment purchased on a three-year lease agreement.

ITEM 7A.  QUANTITATIVE AND QUALITATIVE DISCLOSURE ABOUT MARKET RISK

Not applicable.

ITEM 8.  FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

The response to this item is submitted as a separate section of this report
commencing on Page F-1.

Schedules for which provision is made in the applicable accounting regulation of
the Securities and Exchange Commission are not required under the related
instructions or are inapplicable, and therefore have been omitted.

ITEM 9.  CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND
         FINANCIAL DISCLOSURE

Not applicable.

                                       25
<PAGE>   26

                                    PART III

The information required by Item 10 -- Directors and Executive Officers of the
Registrant; Item 11 -- Executive Compensation; Item 12 -- Security Ownership of
Certain Beneficial Owners and Management; and Item 13 -- Certain Relationships
and Related Transactions is incorporated into Part III of this Annual Report on
Form 10-K by reference to the Company's Proxy Statement for the Annual Meeting
of Stockholders scheduled to be held on April 5, 2000.

                                       26
<PAGE>   27

                                    PART IV

ITEM 14.  EXHIBITS, FINANCIAL STATEMENT SCHEDULES, AND REPORTS ON FORM 8-K.

(a)(1) and (2). The response to this portion of Item 14 is submitted as a
separate section of this report commencing on page F-1.

(a)(3) and (c). Exhibits (numbered in accordance with Item 601 of Regulation
S-K)

                                 EXHIBIT INDEX

<TABLE>
<CAPTION>
EXHIBIT                                                                   INCORPORATED
NO.       DESCRIPTION                                                     BY REFERENCE
- -------   -----------                                                     ------------
<S>       <C>                                                             <C>
3(i)      Restated Certificate of Incorporation of Biopure                      #
 3(ii)    By-laws of Biopure, as amended                                        *
10.1      Purchase Agreement between Biopure and INPACO Corporation,            *
          dated August 28, 1997
10.2      Agreement between Biopure and Moyer Packing Company dated             *
          October 21, 1994
10.3      Agency Agreement between Biopure and The Butler Company               *
          dated March 29, 1999
10.4      Promissory Note dated July 31, 1995, from Carl Rausch in              *
          favor of Biopure in the amount of $1,009,772.01
10.5      Promissory Note dated July 31, 1995, from Carl Rausch in              *
          favor of Biopure in the amount of $216,033.05
10.6      Promissory Note dated July 31, 1995, from Edward Jacobs,              *
          Jr., in favor of Biopure in the amount of $262,120.10
10.7      Promissory Note dated July 31, 1995, from Bing Wong in favor          *
          of Biopure in the amount of $70,714.82
10.8      Promissory Note dated July 31, 1995, from Maria Gawryl in             *
          favor of Biopure in the amount of $12,601.93
10.9      Promissory Note dated July 31, 1995, from Geoff Filbey in             *
          favor of Biopure in the amount of $47,707.30
10.10     Lease Agreement dated October 12, 1990, between Biopure and           *
          Tarvis Realty Trust
10.11     Lease Agreement dated May 23, 1997, between Biopure and               *
          Karpowicz Family Trust
10.12     Lease Agreement dated March 31, 1995, between Biopure and             *
          New England Innovatins Corp.
10.13     Lease Agreement dated April 29, 1994, between Biopure and             *
          Eleven Hurley Street Associates
10.14     Lease Agreement dated May 10, 1994, between Biopure and               *
          Tarvis Realty Trust
10.15     Lease Agreement dated August 23, 1994, between Biopure and            *
          Tarvis Realty Trust
10.16     Lease Agreement dated October 21, 1994, between Biopure and           *
          Moyer Packing Company
10.17     Deferred Compensation Agreement with Carl Rausch dated                *
          August 8, 1990, as amended December 12, 1995
10.18     1993 Incentive Compensation Plan                                      *
10.19     1998 Stock Option Plan                                                *
10.20     1999 Omnibus Securities and Incentive Plan                            *
10.21     Employment Agreement between Biopure and Daniel R. Davis              *
          dated December 3, 1998 and as amended and restated as of
          June 24, 1999
10.22     Employment Agreement between Biopure Corporation and Paul A.          *
          Looney dated as of June 9, 1999
10.23     Employment Agreement Concerning Protection of Company                 *
          Property and the Arbitration of Legal Disputes
</TABLE>

                                       27
<PAGE>   28

<TABLE>
<CAPTION>
EXHIBIT                                                                   INCORPORATED
NO.       DESCRIPTION                                                     BY REFERENCE
- -------   -----------                                                     ------------
<S>       <C>                                                             <C>
 10.24    1990 Incentive Compensation and Company Stock Purchase                *
          Agreement
10.25     Rights Agreement between Biopure and American Stock Transfer         **
          & Trust Company dated September 21, 1999
24.1      Powers of Attorney                                                    #
27.1      Financial Data Schedule                                               #
99.0      Factors to Consider in Connection with Forward-Looking                #
          Statements
</TABLE>

- ---------------
# Filed herewith.

  * Previously filed as a exhibit to the Company's Registration Statement on
    Form S-1 (File No. 333-78829) and incorporated herein by reference thereto.

 ** Previously filed as an exhibit to the Company's Report on Form 8-A dated
    November 4, 1999 and incorporated herein by reference thereto.

                                       28
<PAGE>   29

                                   SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange
Act of 1994, the registrant has duly caused this report to be signed on its
behalf by the undersigned, thereunto duly authorized.

Dated: January 28, 2000                   BIOPURE CORPORATION

                                          By: /s/ Francis H. Murphy
                                            ------------------------------------
                                              Francis H. Murphy
                                              Chief Financial Officer

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

<TABLE>
<CAPTION>
                     SIGNATURE                                TITLE                   DATE
                     ---------                                -----                   ----
<S>                                                  <C>                        <C>
/s/ Carl W. Rausch*                                  Chairman and               January 28, 2000
- ---------------------------------------------------  Chief Executive Officer
Carl W. Rausch

/s/ David N. Judelson*                               Director, Vice Chairman    January 28, 2000
- ---------------------------------------------------
David N. Judelson

/s/ Paul A. Looney*                                  Director, President        January 28, 2000
- ---------------------------------------------------
Paul A. Looney

/s/ Daniel P. Harrington*                            Director                   January 28, 2000
- ---------------------------------------------------
Daniel P. Harrington

/s/ Stephen A. Kaplan*                               Director                   January 28, 2000
- ---------------------------------------------------
Stephen A. Kaplan

/s/ C. Everett Koop, M.D.*                           Director                   January 28, 2000
- ---------------------------------------------------
C. Everett Koop, M.D.

/s/ Charles A. Sanders, M.D.*                        Director                   January 28, 2000
- ---------------------------------------------------
Charles A. Sanders, M.D.

/s/ Francis H. Murphy                                Chief Financial Officer    January 28, 2000
- ---------------------------------------------------
Francis H. Murphy

*By: /s/ Francis H. Murphy
- --------------------------------------------------
     Francis H. Murphy
     Attorney-in-Fact
</TABLE>

                                       29
<PAGE>   30

                   INDEX TO CONSOLIDATED FINANCIAL STATEMENTS

<TABLE>
<S>                                                           <C>
Report of Ernst & Young LLP, Independent Auditors...........  F-2
Consolidated Balance Sheets at October 31, 1999 and, October
31, 1998....................................................  F-3
Consolidated Statements of Operations for the Years Ended
  October 31, 1999, 1998 and 1997...........................  F-4
Consolidated Statements of Stockholders' Equity for the
  Years Ended October 31, 1999, 1998 and 1997...............  F-5
Consolidated Statements of Cash Flows for the Years Ended
  October 31, 1999, 1998 and 1997...........................  F-6
Notes to Consolidated Financial Statements..................  F-7
</TABLE>

                                       F-1
<PAGE>   31

               REPORT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS

Board of Directors and Stockholders
Biopure Corporation

We have audited the accompanying consolidated balance sheets of Biopure
Corporation (the Company) as of October 31, 1999 and 1998, and the related
consolidated statements of operations, stockholders' equity, and cash flows for
each of the three years in the period ended October 31, 1999. These financial
statements are the responsibility of the Company's management. Our
responsibility is to express an opinion on these financial statements based on
our audits.

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

In our opinion, the financial statements referred to above present fairly, in
all material respects, the consolidated financial position of Biopure
Corporation at October 31, 1999 and 1998, and the consolidated results of its
operations and its cash flows for each of the three years in the period ended
October 31, 1999, in conformity with accounting principles generally accepted in
the United States.

As discussed in Note 2 to the consolidated financial statements, the Company's
recurring losses from operations raise substantial doubt about its ability to
continue as a going concern. Management's plans as to these matters are
described in Note 2. The 1999 consolidated financial statements do not include
any adjustment that might result from the outcome of this uncertainty.

                                          ERNST & YOUNG LLP

Boston, Massachusetts
December 10, 1999

                                       F-2
<PAGE>   32

                              BIOPURE CORPORATION

                          CONSOLIDATED BALANCE SHEETS

<TABLE>
<CAPTION>
                                                              ---------------------
                                                                   OCTOBER 31,
                                                              ---------------------
                                                                1999        1998
                                                              ---------   ---------
<S>                                                           <C>         <C>
In thousands, except share and per share data
ASSETS:
Current assets:
  Cash and cash equivalents.................................  $  30,778   $   6,063
  Accounts receivable, less allowance of $65 and $28 at
    October 31, 1999 and 1998, respectively.................        321         346
  Inventory, net............................................      3,182       3,072
  Current portion of restricted cash........................      3,508       3,508
  Other current assets......................................        488         186
                                                              ---------   ---------
    Total current assets....................................     38,277      13,175
Property and equipment:
  Equipment.................................................     24,699      23,021
  Leasehold improvements....................................     13,567      13,330
  Furniture and fixtures....................................      1,100       1,078
  Construction in progress..................................      4,979       5,144
                                                              ---------   ---------
                                                                 44,345      42,573
  Accumulated depreciation and amortization.................    (16,898)    (12,967)
                                                              ---------   ---------
Net property and equipment..................................     27,447      29,606
Investment in affiliate.....................................        101         131
Other assets................................................        405       1,936
                                                              ---------   ---------
    Total assets............................................  $  66,230   $  44,848
                                                              =========   =========
LIABILITIES AND STOCKHOLDERS' EQUITY:
Current liabilities:
  Accounts payable..........................................  $     741   $   1,523
  Accrued expenses..........................................      9,664       7,666
  Current portion of long-term debt.........................         --       2,000
                                                              ---------   ---------
    Total current liabilities...............................     10,405      11,189
Long-term debt..............................................         --       4,000
Deferred compensation.......................................      1,788       1,910
Commitments and contingencies...............................         --          --
Common stock to be repurchased (No shares of Class A common
  stock at October 31, 1999 and 2,013,956 shares at 1998)...         --       6,300
Stockholders' equity:
  Preferred stock, $0.01 par value, 30,000,000 shares
    authorized at October 31, 1999 and 5,900,000 at 1998....
  Series A, 346,663 shares designated, issued and
    outstanding at October 31, 1998.........................         --           3
  Series B, 2,358,490 shares designated; 2,127,251 shares
    issued and outstanding at October 31, 1998..............         --          22
  Series C, 2,830,188 shares designated, issued and
    outstanding at October 31, 1998.........................         --          28
  Common stock:
  Class A, $0.01 par value, 100,000,000 shares authorized at
    October 31, 1999 and 35,000,000 at 1998, 22,280,867 and
    10,742,503 shares issued, 22,280,867 and 10,539,225
    shares outstanding at October 31, 1999 and 1998,
    respectively............................................        223         107
  Class B, $1.00 par value, 179 shares authorized, 117.7
    shares issued and outstanding...........................         --          --
  Capital in excess of par value............................    282,054     197,495
  Contributed capital.......................................     24,574      24,574
  Notes receivable..........................................     (2,463)     (2,291)
  Treasury stock, at cost (No shares of Class A common stock
    at October 31, 1999 and 203,278 shares at 1998).........         --      (1,583)
  Accumulated deficit.......................................   (250,351)   (196,906)
                                                              ---------   ---------
    Total stockholders' equity..............................     54,037      21,449
                                                              ---------   ---------
    Total liabilities and stockholders' equity..............  $  66,230   $  44,848
                                                              =========   =========
</TABLE>

See accompanying notes.

                                       F-3
<PAGE>   33

                              BIOPURE CORPORATION

                     CONSOLIDATED STATEMENTS OF OPERATIONS

<TABLE>
<CAPTION>
                                                      -----------------------------------------
                                                               YEAR ENDED OCTOBER 31,
                                                      -----------------------------------------
                                                         1999           1998           1997
                                                      -----------    -----------    -----------
<S>                                                   <C>            <C>            <C>
In thousands, except share and per share data
Revenues:
  Oxyglobin.........................................  $     2,749    $       942    $        --
  Other.............................................          117            189             --
                                                      -----------    -----------    -----------
Total revenues......................................        2,866          1,131             --
Cost of revenues....................................        6,814          1,543             --
                                                      -----------    -----------    -----------
Gross profit (loss).................................       (3,948)          (412)            --
Operating expenses:
  Research and development..........................       24,166         22,950         23,494
  Sales and marketing...............................        2,922          2,444            694
  General and administration........................        5,266          4,660          2,920
                                                      -----------    -----------    -----------
     Total operating expenses.......................       32,354         30,054         27,108
                                                      -----------    -----------    -----------
Income (loss) from operations.......................      (36,302)       (30,466)       (27,108)
Other income (expense):
  Interest income...................................        1,041          1,417            705
  Interest expense..................................         (469)          (799)        (1,015)
  Other.............................................          200           (199)            --
                                                      -----------    -----------    -----------
     Total other income (expense)...................          772            419           (310)
                                                      -----------    -----------    -----------
Net income (loss)...................................      (35,530)       (30,047)       (27,418)
Stock dividends on preferred stock..................      (17,915)            --             --
                                                      -----------    -----------    -----------
Net loss applicable to common stockholders..........  $   (53,445)   $   (30,047)   $   (27,418)
                                                      ===========    ===========    ===========
Historical:
  Basic net income (loss) per common share..........  $     (3.61)   $     (2.41)   $     (2.23)
                                                      ===========    ===========    ===========
  Weighted-average shares used in computing basic
     net income (loss) per common share.............   14,813,045     12,460,070     12,299,716
                                                      ===========    ===========    ===========
Pro forma (unaudited):
  Pro forma basic net income (loss) per common
     share..........................................  $     (2.62)   $     (1.65)
                                                      ===========    ===========
  Weighted-average shares used in computing pro
     forma basic net income (loss) per common
     share..........................................   20,368,860     18,236,894
                                                      ===========    ===========
</TABLE>

See accompanying notes.

                                       F-4
<PAGE>   34

                              BIOPURE CORPORATION

                CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY
<TABLE>
<CAPTION>
                                                                           COMMON STOCK
                                                               -------------------------------------   CAPITAL IN
                                           PREFERRED STOCK           CLASS A             CLASS B         EXCESS
                                         -------------------   -------------------   ---------------     OF PAR     CONTRIBUTED
                                           SHARES     AMOUNT     SHARES     AMOUNT   SHARES   AMOUNT     VALUE        CAPITAL
                                         ----------   ------   ----------   ------   ------   ------   ----------   -----------
<S>                                      <C>          <C>      <C>          <C>      <C>      <C>      <C>          <C>
In thousands, except share and per
  share data
Balance at October 31, 1996............     346,663    $  3    12,432,609    $124    114.5      $--     $145,015      $24,245
  Exercise of stock options............                            50,434       1                             45
  Sale of preferred stock..............   2,127,251      22                                               21,715
  Sale of common stock.................                           130,208       1      3.2                 5,574
  Common stock to be repurchased.......                        (2,013,956)    (20)                        (6,280)
  Services contributed by
    stockholder........................                                                                                   329
  Accrued interest.....................
  Net loss.............................
                                         ----------    ----    ----------    ----    -----      --      --------      -------
Balance at October 31, 1997............   2,473,914      25    10,599,295     106    117.7      --       166,069       24,574
  Exercise of stock options............                            27,783                                     68
  Sale of preferred stock..............   2,830,188      28                                               28,181
  Sale of common stock.................                            92,592       1                          2,463
  Common stock issued in exchange for
    release of debt obligation.........                            22,833                                    438
  Equity compensation..................                                                                      276
  Accrued interest.....................
  Net loss.............................
                                         ----------    ----    ----------    ----    -----      --      --------      -------
Balance at October 31, 1998............   5,304,102      53    10,742,503     107    117.7      --       197,495       24,574
  Exercise of stock options............                            17,117                                     88
  Sale of preferred stock..............   2,610,264      26                                               30,099
  Sale of common stock.................                         3,500,000      35                         37,667
  Conversion of preferred stock to
    common stock.......................  (7,914,366)    (79)    8,224,525      82                         17,912
  Stock repurchase adjustment..........                                                                      300
  Retirement of treasury stock.........                          (203,278)     (1)                        (1,582)
  Equity compensation..................                                                                       75
  Accrued interest.....................
  Net loss.............................
                                         ----------    ----    ----------    ----    -----      --      --------      -------
Balance at October 31, 1999............          --    $ --    22,280,867    $223    117.7      $--     $282,054      $24,574
                                         ==========    ====    ==========    ====    =====      ==      ========      =======

<CAPTION>

                                                                                   TOTAL
                                           NOTES      TREASURY   ACCUMULATED   STOCKHOLDERS'
                                         RECEIVABLE    STOCK       DEFICIT        EQUITY
                                         ----------   --------   -----------   -------------
<S>                                      <C>          <C>        <C>           <C>
In thousands, except share and per
  share data
Balance at October 31, 1996............   $(1,946)    $(1,583)    $(139,441)     $ 26,417
  Exercise of stock options............                                                46
  Sale of preferred stock..............                                            21,737
  Sale of common stock.................                                             5,575
  Common stock to be repurchased.......                                            (6,300)
  Services contributed by
    stockholder........................                                               329
  Accrued interest.....................      (164)                                   (164)
  Net loss.............................                             (27,418)      (27,418)
                                          -------     -------     ---------      --------
Balance at October 31, 1997............    (2,110)     (1,583)     (166,859)       20,222
  Exercise of stock options............                                                68
  Sale of preferred stock..............                                            28,209
  Sale of common stock.................                                             2,464
  Common stock issued in exchange for
    release of debt obligation.........                                               438
  Equity compensation..................                                               276
  Accrued interest.....................      (181)                                   (181)
  Net loss.............................                             (30,047)      (30,047)
                                          -------     -------     ---------      --------
Balance at October 31, 1998............    (2,291)     (1,583)     (196,906)       21,449
  Exercise of stock options............                                                88
  Sale of preferred stock..............                                            30,125
  Sale of common stock.................                                            37,702
  Conversion of preferred stock to
    common stock.......................                                            17,915
  Stock repurchase adjustment..........                                               300
  Retirement of treasury stock.........                 1,583                          --
  Equity compensation..................                                                75
  Accrued interest.....................      (172)                                   (172)
  Net loss.............................                             (53,445)      (53,445)
                                          -------     -------     ---------      --------
Balance at October 31, 1999............   $(2,463)    $    --     $(250,351)     $ 54,037
                                          =======     =======     =========      ========
</TABLE>

See accompanying notes.

                                       F-5
<PAGE>   35

                              BIOPURE CORPORATION

                     CONSOLIDATED STATEMENTS OF CASH FLOWS

<TABLE>
<CAPTION>
                                                             --------------------------------
                                                                  YEAR ENDED OCTOBER 31,
                                                             --------------------------------
                                                               1999        1998        1997
                                                             --------    --------    --------
<S>                                                          <C>         <C>         <C>
In thousands
OPERATING ACTIVITIES:
Net income (loss)..........................................  $(35,530)   $(30,047)   $(27,418)
Adjustments to reconcile net loss to net cash used in
  operating activities:
  Depreciation.............................................     3,931       3,262       3,090
  Equity compensation......................................        75         276          --
  Deferred compensation....................................      (122)        231         192
  Accrued interest on stockholders' notes receivable.......      (172)       (181)       (164)
  Equity in affiliate's operations.........................        30          35          59
  Services contributed by stockholder......................        --          --         329
  Changes in assets and liabilities:
     Inventories...........................................      (110)     (3,072)         --
     Accounts receivable...................................        25        (346)         --
     Other receivable (affiliate)..........................        --          --         654
     Other current assets..................................       302          89         (65)
     Accounts payable......................................      (782)        441        (769)
     Accrued expenses......................................     1,394         682       2,354
                                                             --------    --------    --------
       Net cash used in operating activities...............   (30,959)    (28,630)    (21,738)
INVESTING ACTIVITIES:
Purchase of property and equipment.........................    (1,772)     (4,809)     (1,350)
Other assets...............................................     1,531        (341)        (78)
Restricted cash............................................        --      (2,425)     (2,437)
                                                             --------    --------    --------
       Net cash used in investing activities...............      (241)     (7,575)     (3,865)
FINANCING ACTIVITIES:
Net proceeds from sale of common stock.....................    37,702       2,464       5,575
Net proceeds from sale of preferred stock..................    30,125      28,209      21,737
Payment of long-term debt..................................    (6,000)     (2,000)     (1,000)
Repurchase of common stock.................................    (6,000)         --          --
Proceeds from exercise of stock options....................        88          68          46
                                                             --------    --------    --------
       Net cash provided by financing activities...........    55,915      28,741      26,358
                                                             --------    --------    --------
Increase (decrease) in cash and cash equivalents...........    24,715      (7,464)        755
Cash and cash equivalents at beginning of period...........     6,063      13,527      12,772
                                                             --------    --------    --------
Cash and cash equivalents at end of period.................  $ 30,778    $  6,063    $ 13,527
                                                             ========    ========    ========
Interest paid..............................................  $    435    $    693    $  1,131
                                                             ========    ========    ========
</TABLE>

See accompanying notes.

                                       F-6
<PAGE>   36

                              BIOPURE CORPORATION

                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

1. NATURE OF BUSINESS AND ORGANIZATION

Biopure Corporation (the Company) develops, manufactures and markets oxygen
therapeutics. Its products are Hemopure, for human use, and Oxyglobin, for
veterinary use. The Company is developing Hemopure as an alternative to red
blood cell transfusions as well as for use in the treatment of other critical
care conditions.

During 1998, the Company began selling Oxyglobin. Initially, sales were made on
a limited basis directly to emergency and specialty veterinary practices. In
October 1998, the Company began selling Oxyglobin nationwide through several
veterinary distributors, who purchase product for immediate and direct sale to
veterinary practices.

Costs of revenues include significant depreciation of production equipment and
other fixed and variable costs associated with the production of Oxyglobin. The
manufacturing process requires certain machinery to run on 24-hour cycles even
when production runs are not occurring. These costs are anticipated to be better
rationalized if demand and production increase.

Additionally, during 1999, the Company continued human clinical trials of its
Hemopure solution in the United States, Europe and South Africa. These clinical
trials are expensive and a significant cause of the Company's operating losses.
Although there cannot be any assurance that its Hemopure solution will be
approved by a country's regulatory authority, the trials to date have produced
satisfactory results, which have allowed the Company to continue clinical
progress.

2. SIGNIFICANT ACCOUNTING POLICIES

Basis of Presentation

The consolidated financial statements reflect the accounts of the Company and
its wholly-owned and majority-owned subsidiaries. All intercompany accounts and
transactions have been eliminated.

On June 24, 1999, the Board of Directors approved a two for three reverse stock
split of common shares which was effected in the form of a reverse stock
dividend on July 21, 1999. All common share and per common share amounts
included in the accompanying consolidated financial statements and notes thereto
have been retroactively restated to give effect to this reverse stock split.

The financial statements of the Company have been presented on the basis of a
going concern, which contemplates the realization of assets and the satisfaction
of liabilities in the normal course of business. However, the Company may not be
able to continue its operations because it has experienced significant operating
losses, which it expects will continue and has limited sources of funding for
continuing operations. In order to continue as a going concern, the Company's
plans at this time are focused on obtaining new sources of equity financing, if
possible, and securing strategic alliance arrangements that will provide cash
for operations. However, there can be no assurance that any such additional
financing will be available to the Company on terms that it deems acceptable, if
at all. The financial statements do not include any adjustments relating to the
recoverability and classification of liabilities that might be necessary should
the Company be unable to continue as a going concern.

Risks and Uncertainties

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

                                       F-7
<PAGE>   37

Some of the Company's key materials used in production are obtained from sole
source suppliers. Although such materials are available from other suppliers,
the Company must test materials not previously used in order to assure the
materials meet the Company's requirements.

Cash and Cash Equivalents

The Company considers all liquid securities with original maturities of three
months or less to be cash equivalents.

Inventories

Inventories are stated at the lower of cost (determined using the first-in,
first-out method) or market. Inventories are reviewed periodically during the
year for slow-moving, obsolete or off-grade status based on sales activity, both
projected and historical. Appropriate reserves are established for any inventory
that falls into these categories.

Property and Equipment

Property and equipment are recorded at cost and depreciated over the estimated
useful lives of the assets using the straight-line method. The estimated useful
lives of these assets are as follows:

<TABLE>
<S>                                                   <C>
Leasehold improvements..............................  Life of the lease
Major equipment.....................................  12 years
Equipment...........................................  5-7 years
Furniture and fixtures..............................  5 years
Computer equipment..................................  3 years
</TABLE>

Revenue Recognition

The Company recognizes revenue from product sales at the time of shipment. Other
revenues consist primarily of royalties from the sale of an enzyme material
previously licensed to a pharmaceutical company and a Small Business Innovative
Research grant offset by associated costs. The Company recognizes revenue from
royalties when earned upon sale of the licensed products.

Stock-Based Compensation

The Company grants stock options for a fixed number of shares, generally with an
exercise price equal to the market value of the shares at the date of grant, as
determined by the board of directors. The Company has elected to follow
Accounting Principles Board Opinion No. 25, Accounting for Stock Issued to
Employees (APB 25), in accounting for its stock-based compensation plans, rather
than the alternative fair value accounting method provided for under Financial
Accounting Standards Board Statement No. 123, Accounting for Stock-Based
Compensation (Statement 123), as this alternative requires the use of option
valuation models that were not developed for use in valuing employee stock
options. Under APB 25, when the exercise price of options granted to employees
under these plans equals the market price of the underlying stock on the date of
grant, no compensation expense is required.

Net Income (Loss) Per Share

Historical basic net income (loss) per share is computed based on the
weighted-average number of common shares outstanding during the period. Diluted
net income (loss) per share is computed based upon the weighted-average number
of common shares outstanding during the year, adjusted for the dilutive effect
of shares issuable upon the conversion of preferred stock outstanding and the
exercise of common stock options and warrants determined based upon average
market price of common stock for the period. Diluted net income (loss) per share
are not presented in the accompanying consolidated financial statements because
the Company had losses for all periods presented.

                                       F-8
<PAGE>   38

Unaudited Pro Forma Net Income (Loss) Per Common Share

The unaudited pro forma basic net income (loss) per common share is computed
using the weighted-average number of outstanding common shares assuming
conversion of all convertible preferred shares into common shares (at date of
original issuance), which occurred upon completion of the initial public
offering.

Calculation of Net Loss Per Share

<TABLE>
<CAPTION>
                                                      -----------------------------------------
                                                               YEAR ENDED OCTOBER 31,
                                                      -----------------------------------------
                                                         1999           1998           1997
                                                      -----------    -----------    -----------
<S>                                                   <C>            <C>            <C>
IN THOUSANDS, EXCEPT SHARE AND PER SHARE DATA
Historical:
  Net income (loss).................................  $   (35,530)   $   (30,047)   $   (27,418)
  Stock dividends on preferred stock................      (17,915)            --             --
                                                      -----------    -----------    -----------
     Net income (loss) applicable to common
       stockholders.................................  $   (53,445)   $   (30,047)   $   (27,418)
                                                      ===========    ===========    ===========
  Weighted-average number of common shares
     outstanding....................................   14,813,045     12,460,070     12,299,716
                                                      ===========    ===========    ===========
Basic net income (loss) per common share............  $     (3.61)   $     (2.41)   $     (2.23)
                                                      ===========    ===========    ===========
Pro forma (unaudited):
  Weighted-average number of common shares:
     Historical outstanding.........................   14,813,045     12,460,070
     Issued upon assumed conversion of preferred
       stock........................................    5,555,815      5,776,824
                                                      -----------    -----------
  Total weighted-average number of common shares
     used in computing basic pro forma net income
     (loss) per common share........................   20,368,860     18,236,894
                                                      ===========    ===========
  Basic pro forma net income (loss) per common
     share..........................................  $     (2.62)   $     (1.65)
                                                      ===========    ===========
</TABLE>

Recently Issued Accounting Standards

In June 1997, the Financial Accounting Standards Board (FASB) issued Statement
No. 131, Disclosures About Segments of an Enterprise and Related Information
(Statement 131), which establishes standards for public companies to report
information about operating segments in financial statements. Statement 131
supersedes Statement No. 14, Financial Reporting for Segments of a Business
Enterprise; however, Statement 131 retains the requirements to report
information about major customers. The Company adopted this statement effective
November 1, 1998. The Company believes it currently operates in one segment, its
Oxyglobin veterinary product, and consequently, adoption of SFAS No. 131 did not
result in any significant change in the presentation of the Company's
disclosures. As the Company develops new products and expands its operations,
the Company will re-evaluate these disclosures.

In March 1998, the Accounting Standards Executive Committee (AcSEC) issued
Statement of Position (SOP) No. 98-1, Accounting for the Costs of Computer
Software Developed or Obtained for Internal Use. The SOP provides guidance for
the capitalization of certain costs incurred to develop or obtain internal-use
software. SOP No. 98-1 is effective for the Company in fiscal 2000. The adoption
of this standard is not expected to have a material effect on the Company's
financial position or operating results.

In June 1998, the FASB issued SFAS No. 133, Accounting for Derivative
Instruments and Hedging Activities, which will be effective for the Company in
the first quarter of Fiscal 2001. The Company is currently evaluating the effect
that implementation of the new standard will have on its financial statements
but believes the effect will be immaterial.

                                       F-9
<PAGE>   39

3. TRANSACTIONS WITH RELATED PARTIES

At October 31, 1999, approximately 22% of the outstanding shares of Class A
Common Stock of Biopure were owned by two limited partnerships, Biopure
Associates Limited Partnership and Biopure Associates Limited Partnership II.
The primary purpose of these partnerships is to own shares of common stock of
the Company. The general partners of these partnerships are officers of the
Company, and the limited partners include certain employees, officers, directors
and consultants to the Company.

During 1999, 1998 and 1997, the Company made payments of approximately $270,000,
$344,000 and $301,000, respectively, to directors and consultants who have
ownership interests in the Company.

In August 1990, the Company made loans to certain directors and officers to
allow them to purchase Class A Common Stock. The principal and interest, for all
loans except the loan made to Mr. Rausch, is due on July 31, 2000. The principal
and interest on Mr. Rausch's loan is due on July 31, 2003. The notes receivable,
for all loans except the loan made to Mr. Rausch, bear interest at the prime
rate (8.25% at October 31, 1999) and are included in stockholders' equity in the
accompanying consolidated financial statements. The loan for Mr. Rausch bears
interest at a fixed 4.71% rate.

4. INVENTORIES

Inventories consisted of the following:

<TABLE>
<CAPTION>
                                                     ----------------
                                                       OCTOBER 31,
                                                     ----------------
                                                      1999      1998
                                                     ------    ------
<S>                                                  <C>       <C>
In thousands
Raw materials......................................  $  690    $  935
Work-in-process....................................     134       542
Finished goods.....................................   2,358     1,595
                                                     ------    ------
                                                     $3,182    $3,072
                                                     ======    ======
</TABLE>

5. INVESTMENTS

The Company accounts for its investments in affiliated companies under the
equity method of accounting. In July 1994, the Company acquired a 50% general
partnership interest in Eleven Hurley Street Associates (EHSA), a real estate
partnership which owns the Company's principal office and research and
development facilities. The Company's lease with EHSA requires annual rental
payments of $239,000 through 2002 and $262,000 from 2003 through 2007. The
partnership's income was not significant for any of the periods presented. At
October 31, 1999 and 1998, the Company's proportionate share of EHSA's net
equity was approximately $101,000 and $131,000, respectively.

6. ACCRUED EXPENSES

Accrued expenses consisted of the following:

<TABLE>
<CAPTION>
                                                     ----------------
                                                       OCTOBER 31,
                                                     ----------------
                                                      1999      1998
                                                     ------    ------
<S>                                                  <C>       <C>
In thousands
Settlement.........................................  $3,508    $3,508
Phase III clinical trial...........................   2,925     1,039
Initial public offering............................     619        --
Other..............................................   2,612     3,119
                                                     ------    ------
                                                     $9,664    $7,666
                                                     ======    ======
</TABLE>

                                      F-10
<PAGE>   40

7. LONG-TERM DEBT

Long-term debt consists of a loan from P&U in the original principal amount of
$9,000,000. Principal payments are made in equal quarterly installments of
$500,000 through October 1, 2001. Interest is paid quarterly on the unpaid
principal balance at the prime rate of interest. The prime rate at October 31,
1998 was 8.0%. The note is secured by a substantial portion of the Company's
assets and is required to be repaid on completion of a public offering of the
Company's equity securities or certain other financing events. As of October 31,
1999 the loan had been repaid in full from the proceeds of the initial public
offering.

8. DEFERRED COMPENSATION

The Company has a deferred compensation agreement with an officer/stockholder
requiring a base payment of $700,000 plus accrued interest of $716,000 at
October 31, 1999. In June 1999 the payment date was extended to July 31, 2003,
subject to certain conditions.

The Company has an Incentive Compensation Plan for all employees which provides
for discretionary deferred bonus awards annually. Commencing three years after
grant, awards are paid ratably over a five-year period. No grants were made in
1999. Plan expenses were $160,000 and $130,000 in 1998 and 1997, respectively.

9. STOCKHOLDERS' EQUITY

On August 4, 1999 the Company completed the initial public offering (IPO) of
3,500,000 shares of Class A Common Stock. The Company received proceeds of
$39,060,000 before expenses of $1,358,000 and recorded an increase in
stockholders' equity of $37,702,000.

Convertible Preferred Stock

The Series A Convertible Preferred Stock was convertible into Class A Common
Stock on a three and one-third for one basis, adjusted for certain events. The
Series A shares automatically converted at the time of the IPO.

The Series B Convertible Preferred Stock was convertible into Class A Common
Stock on a two-thirds for one basis, adjusted for certain events. The Series B
shares automatically converted at the time of the IPO.

The Series C Convertible Preferred Stock was convertible into Class A Common
Stock on a two-thirds for one basis, adjusted for certain events. The Series C
shares automatically converted at the time of the IPO.

On December 23, 1998, the Company sold 1,489,498 units at $12.00 per unit, each
consisting of one share of Series D Preferred Stock plus a warrant to purchase
1/15th of a share of Class A Common Stock. In connection with the issuance of
the Series D shares, warrants were issued to the placement agents to purchase
30,667 shares of Class A Common Stock and warrants were issued to the holders of
the Series B and Series C Convertible Preferred Stock to purchase 1/15th of a
share of Class A Common Stock for each share of Series B and Series C
Convertible Preferred Stock held by them. Warrants issued to the placement
agents and the preferred stockholders have an exercise price of $18.00 and
$12.00 per share, respectively. Warrants issued to the placement agents and the
preferred stockholders expire three years and four years, respectively, from the
date of the IPO. Net cash proceeds, after deducting approximately $930,000 in
commissions and expenses associated with the offering, were $16,946,000.
Subsequent to May 1, 1999, an additional 397,250 units of Series D Convertible
Preferred Stock were sold with aggregate net proceeds of $4,700,000.

Each share of Series D Convertible Preferred Stock was convertible into
two-thirds of a share of Class A Common Stock or such greater ratio so that
conversion resulted in a 35% annualized rate of return on the Series D original
offering price of $12 per share.

Upon closing of the IPO (see above), all shares of preferred stock converted
into shares of Class A Common Stock and reflected the two-for-three stock split.
In accordance with the provisions of

                                      F-11
<PAGE>   41

EITF 98-5, for those units sold after May 20, 1999, the Company treated any
shares of Class A Common Stock issued upon conversion in excess of two-thirds of
one share of Class A Common Stock for each share of Series D Convertible
Preferred Stock as a dividend for accounting purposes. The Company recorded a
dividend of $155,000 in the third quarter of 1999 for the 12,936 additional
shares of Class A Common Stock issued. The holders of the Series B Convertible
Preferred Stock received an additional 280,000 shares in the aggregate upon
conversion and the holders of the Series C Convertible Preferred Stock received
an additional 1,200,000 shares in the aggregate upon conversion. The fair market
value of such additional shares was, for accounting purposes, treated as a
dividend on such convertible preferred stock in the quarter in which the
offering and conversion occurred. The Company recorded a dividend of $17,760,000
in the third quarter of 1999.

Common Stock

The Class B Common Stock is authorized for issuance only to P&U. The holder of
Class B Common Stock is not entitled to vote or receive dividends. The Class B
Common Stock is convertible into shares of Class A Common Stock according to a
formula that is based upon a future fair market value of the Class A Common
Stock and is dependent upon the Company achieving U.S. FDA approval for its
Hemopure solution.

Consistent with the P&U agreement, the number of shares of Class A Common Stock
to be issued in exchange for the Class B Common Stock will be determined based
upon an independent valuation of the Company, after FDA approval of the
Company's human oxygen therapeutic product, which valuation cannot exceed $3
billion. This valuation is then divided by 13,635,525 shares to arrive at a fair
value per share of Class A Common Stock. P&U's total investment in the Company,
$142.3 million, divided by such per share fair value of Class A Common Stock,
results in the number of shares of Class A Common Stock P&U will receive,
limited to a maximum of 1,272,119 shares.

Dividends

At this time, the Company does not intend to pay dividends.

Stock Accumulation Plan

In August 1990, the Company issued 1,606,000 shares of Class A Common Stock to
certain employees, officers, consultants and directors for $1.35 per share,
which was $4.05 per share less than the then fair market value, as determined by
the Company's Board of Directors, of $5.40 per share. This $4.05 per share
market value differential is associated with a permanent nonlapse restriction on
the value of the stock. Upon the repurchase by the Company or other investors,
the future value will be equal to the then-current fair market value less the
permanent discount of $4.05 per share, adjusted for an annual interest factor.

Contributed Capital

In accordance with the P&U strategic alliance discussed in Note 9 below, the
Company recorded as contributed capital $329,000 of research and development
costs incurred by P&U on behalf of the Company in 1997. These costs are included
in research and development expenses in the accompanying consolidated statements
of operations and were either incurred by Biopure and reimbursed by P&U, or
incurred directly by P&U. All such costs incurred were clinical development
costs specifically identified and contractually agreed to by both parties. Upon
conversion of the Class B Common Stock, the cumulative amount of contributed
capital will be treated as consideration for the Class A Common Stock issued in
the conversion.

Stock Options and Warrants

The Company has two active stock option plans under which key employees,
directors and consultants may be granted options to purchase Class A Common
Stock at a price determined by the Board of Directors at

                                      F-12
<PAGE>   42

the date of grant. Under these plans and a previous plan, substantially all
options become exercisable on a pro rata basis over a four-year period and
expire ten years from date of grant.

Presented below is a summary of transactions under the stock option plans during
1999, 1998 and 1997:

<TABLE>
<CAPTION>
                                       -----------------------------------------------------------------
                                                            YEAR ENDED OCTOBER 31,
                                       -----------------------------------------------------------------
                                               1999                   1998                  1997
                                       ---------------------   -------------------   -------------------
                                                   WEIGHTED-             WEIGHTED-             WEIGHTED-
                                                    AVERAGE               AVERAGE               AVERAGE
                                                   EXERCISE              EXERCISE              EXERCISE
                                        SHARES       PRICE     SHARES      PRICE     SHARES      PRICE
                                       ---------   ---------   -------   ---------   -------   ---------
<S>                                    <C>         <C>         <C>       <C>         <C>       <C>
Options outstanding at beginning of
  year...............................    546,634    $18.54     133,217    $14.94     243,650    $12.02
Granted..............................  1,558,687     12.00     456,133     18.68       6,667     22.50
Exercised............................    (17,117)     5.19     (27,783)     2.42     (50,433)     1.02
Expired..............................         --        --          --        --     (18,667)     4.43
Forfeited............................   (143,043)    12.48     (14,933)    20.58     (48,000)    19.89
                                       ---------               -------               -------
Options outstanding at end of year...  1,945,161    $13.84     546,634    $18.54     133,217    $14.94
                                       =========               =======               =======
Options exercisable..................    192,680                89,350                83,383
                                       =========               =======               =======
</TABLE>

During 1998, the Company granted 20,000 options with an exercise price of $5.40
to certain consultants to replace options that had expired in March 1996. The
exercise price of the new options is the same as the exercise price of the
expired options, and the new options are fully vested. The Company used an
estimated fair market value of its stock as determined by its Board of Directors
in order to determine the related expense to be recorded as a result of issuing
options to nonemployees. The Company recorded expense and increased capital in
excess of par value by $276,000.

The following table summarizes information about stock options outstanding at
October 31, 1999:

<TABLE>
<CAPTION>
                                  ------------------------------------------------------------------
                                             OPTIONS OUTSTANDING                OPTIONS EXERCISABLE
                                  ------------------------------------------    --------------------
                                               WEIGHTED-AVERAGE    WEIGHTED-               WEIGHTED-
                                                  REMAINING         AVERAGE                 AVERAGE
                                                 CONTRACTUAL       EXERCISE                EXERCISE
EXERCISE PRICE                     SHARES        LIFE (YRS.)         PRICE      SHARES       PRICE
- --------------                    ---------    ----------------    ---------    -------    ---------
<S>                               <C>          <C>                 <C>          <C>        <C>
$ 4.50-$ 5.40...................     21,667          3.0            $ 5.33       21,667     $ 5.33
$ 7.50-$13.50...................  1,436,240          9.8             12.01       10,200      12.72
$18.00-$22.50...................    487,254          7.8             19.62      160,813      20.08
                                  ---------                                     -------
                                  1,945,161          9.0            $13.84      192,680     $18.03
                                  =========                                     =======
</TABLE>

During 1998, the Company's 1988 stock option plan expired. In March 1998, the
Board of Directors approved the adoption of a 1998 stock option plan to provide
for the granting of options for up to 98,293 shares of Class A Common Stock, the
number of shares remaining in the expired 1988 plan. Options outstanding under
the Company's 1988 plan forfeited in future periods will be available for grant
under the new plan. At October 31, 1999, there were 76,690 shares available for
future grants under stock option plans.

In June 1999, the Company established the 1999 Omnibus Securities and Incentive
Plan (the 1999 Plan), which provides for the granting of incentive stock
options, non-qualified stock options, restricted stock awards, deferred stock
awards, unrestricted stock awards, performance share awards, distribution
equivalent rights, or any combination of the foregoing to key management,
employees and directors. The maximum number of shares of Class A Common Stock
reserved for issuance under the 1999 Plan is 1,866,666. Upon the Company's
initial public offering, the Board of Directors approved the granting of options
under the 1999 Plan to officers, directors and employees for an aggregate of
1,492,020 shares, with an exercise price of $12.00.

                                      F-13
<PAGE>   43

One of the Company's vendors holds an option to acquire 26,667 shares of Class A
Common Stock. The exercise price of $37.50 per share is payable by the
contribution of certain property, equipment and facilities rights. The option
expires in September 2000. The option agreement is being renegotiated. The
Company expects to increase the number of optioned shares and extend the terms
of the option.

In connection with the sale of Series C Convertible Preferred Stock in November
1997, the Company issued to the placement agent warrants to purchase 66,667
shares of Common Stock at a price per share equal to $12.00, adjusted for
certain events. The warrants expire three years from the date of the initial
public offering.

Statement 123 Disclosures

The Company has adopted the disclosure provisions only of Statement 123. The
fair value of options and warrants granted was estimated at the date of grant
using the Black-Scholes option pricing model for 1999 and the minimum value
method for 1998 and 1997 with the following assumptions: risk-free interest
rates ranging from 5.49% to 6.32%; dividend yield of 0% and an expected life of
either two years or seven years. For 1999 a volatility factor of the expected
market price of the Company's Common Stock of .80 was used. If the compensation
cost for options and warrants granted had been determined based on the fair
value of the options and warrants at the date of grant, the Statement 123 pro
forma net loss applicable to common stockholders for 1999, 1998 and 1997 would
have been $55,854,000, $30,712,000 and $27,538,000, respectively. The Statement
123 pro forma net loss per share for 1999, 1998 and 1997 would have been
$(3.77), $(2.46) and $(2.24), respectively. Compensation expense under Statement
123 for 1999, 1998 and 1997 is not representative of future expense, as it
includes one, two and three years of expense, respectively. In future years, the
effect of determining compensation cost using the fair value method will include
additional vesting and associated expense.

The weighted-average fair value per option and warrant of options and warrants
granted during 1999, 1998 and 1997 was $6.50, $6.11 and $8.04, respectively.

Reserved Shares

At October 31, 1999, there were 4,299,928 shares of Class A Common Stock
reserved for issuance under the stock option plans, stock option agreements and
warrants and upon conversion of Class B Common Stock.

Rights Agreement

Effective September 24, 1999 each holder of Class A Common Stock received a
preferred stock purchase right for each share owned. The rights entitle the
holders to acquire preferred stock following an acquisition of more than 20% by
any person or group, if the board of directors does not redeem the rights. If
the rights are not redeemed, their exercise would cause substantial dilution to
the acquiring person or group.

10. CONTRACTS

The Company had a strategic alliance with P&U beginning in 1990. Under the
alliance agreement, P&U purchased $117,700,000 of Class B Common Stock in
increments based generally on the achievement of mutually agreed-upon progress
points or goals. Additionally, in exchange for the future issuance of Class A
Common Stock, as described in Note 8 above, P&U funded clinical development
undertaken by the Company and P&U for the Company's oxygen therapeutic products.
The Company's agreement with P&U was terminated in accordance with its terms in
July 1996. Final payments from P&U were realized in 1997.

11. EMPLOYEE BENEFIT PLAN

The Company has a defined contribution plan, the Biopure Corporation Capital
Accumulation Plan, qualified under the provisions of Internal Revenue Code
section 401(k). Employees are eligible for

                                      F-14
<PAGE>   44

enrollment upon becoming employed and for discretionary matching after one year
of service. The Company's discretionary contribution vests after a period of
four years from the date of employment. In 1999, 1998 and 1997, the Company
contributed $211,000, $163,000 and $158,000, respectively, to the plan.

12. INCOME TAXES

At October 31, 1999, the Company had available for the reduction of future
years' federal taxable income and income taxes, net operating loss carryforwards
of approximately $161,000,000, expiring from the year ended October 31, 2004
through 2019, along with research and development and investment tax credits of
approximately $5,900,000, expiring from the year ended October 31, 2000 through
2014. Since the Company has incurred only losses since inception and due to the
degree of uncertainty with respect to future profitability, the Company believes
at this time that it is more likely than not that sufficient taxable income will
not be earned to allow for realization of the tax loss and credit carryforwards
and other deferred tax assets. Accordingly, the tax benefit of these items has
been fully reserved. Additionally, the future use of these carryforwards may be
subject to limitations pursuant to sections 382 and 383 of the Internal Revenue
Code.

Deferred income taxes reflect the net tax effects of temporary differences
between the carrying amounts of assets and liabilities for financial reporting
purposes and the amounts used for income tax purposes. Significant components of
the Company's deferred tax assets and liabilities as of October 31, 1999 and
1998 were as follows:

<TABLE>
<CAPTION>
                                                         --------------------
                                                           1999        1998
                                                         --------    --------
<S>                                                      <C>         <C>
In thousands
Deferred tax assets:
  Net operating loss carryforward......................  $ 64,259    $ 56,138
  Capitalized research and development.................    23,508      17,287
  Accruals and reserves................................     2,685       2,364
  Tax credit carryforwards.............................     5,897       3,388
                                                         --------    --------
          Total deferred tax assets....................    96,349      79,177
Deferred tax liabilities:
  Depreciation.........................................     2,797       2,159
                                                         --------    --------
          Total deferred tax liabilities...............     2,797       2,159
                                                         --------    --------
Net deferred tax assets................................    93,552      77,018
Valuation allowance for deferred tax assets............   (93,552)    (77,018)
                                                         --------    --------
Net deferred tax assets................................  $     --    $     --
                                                         ========    ========
</TABLE>

In 1999, the valuation allowance increased by $16,534,000 due primarily to the
increase in net operating losses, capitalized research and development costs,
and research and development tax credits.

13. COMMITMENTS

In 1997, the Company entered into an agreement with B. Braun Melsungen A.G.
(Braun) to repurchase 2,013,956 shares of the Company's common stock for
$6,300,000. The agreement required the Company to place in escrow installment
payments of such purchase price equal to an annual amount of $1,000,000 plus
five percent of the Company's revenues from human product sales and license
fees, if any, in a certain European region. The Company received Braun's
agreement to delay the deposit of $1,000,000 due in August 1998 to February
1999. The aggregate repurchase amount of $6,300,000 (subsequently negotiated to
$6,000,000 as a result of accelerated repurchase) had to be funded by the year
2002. At any time, the stockholder could withdraw funds in escrow to complete
the repurchase in installments by simultaneous delivery out of escrow to the
Company of a pro rata portion of the stock. At October 31, 1998, the Company had
$1,046,000 in escrow in connection with this agreement and included the
restricted cash in

                                      F-15
<PAGE>   45

other assets. The accompanying consolidated balance sheet has reclassified the
Class A Common Stock to be repurchased from Braun from stockholders' equity to
temporary equity and included the unpaid purchase price and related shares in
Common Stock to be Repurchased. In December 1998, Braun withdrew all funds from
escrow to complete the repurchase of 319,683 shares of Class A Common Stock. On
August 5, 1999 the Company paid $4,000,000 in addition to the existing balance
of $1,000,000 in escrow and Braun withdrew all funds from escrow to complete the
repurchase of 1,694,273 shares of Class A Common Stock.

The agreement also requires the Company to pay Braun a royalty of two percent of
the Company's revenues from human product sales and license fees in a certain
European region. Payments must be made on a quarterly basis until such amounts
aggregate $7,500,000. In exchange for this royalty commitment, the rights to
manufacture and market specified products in Braun's territory were reacquired
by the Company.

Future minimum lease payments under operating leases for the Company's various
office, laboratory, warehouse and processing facilities, with terms of more than
one year at October 31, 1999 are as follows:

<TABLE>
<S>                                                        <C>
2000.....................................................  $  991,000
2001.....................................................     681,000
2002.....................................................     259,000
2003.....................................................     279,000
2004.....................................................     283,000
Thereafter...............................................   1,040,000
                                                           ----------
                                                           $3,533,000
                                                           ==========
</TABLE>

Rent expense was approximately $1,035,000, $803,000 and $643,000 in 1999, 1998
and 1997, respectively.

14. LITIGATION

The Company is a party to litigation initially filed in 1990 arising from
certain joint venture agreements for development and distribution of product in
Central and South America. Summary judgments were entered against the two
plaintiffs in 1994. The plaintiffs each appealed the judgments; one of the
appeals was voluntarily dismissed. The other appeal was denied in part and
remanded to the trial court for further findings based on lack of jurisdiction.
It is anticipated that the trial court will make the requisite findings in the
calendar year 2000. In connection with the summary judgments, the Company agreed
to a settlement with a third-party intervenor with claims against one of the
plaintiffs. Final payment of the settlement is subject to the outcome of the
pending appeal; however, the Company has provided for such settlement in the
accompanying financial statements. At October 31, 1999, the Company had
$3,508,000 in escrow in connection with this settlement and included this amount
in current portion of restricted cash. The settlement amount has been recorded
as a current obligation.

                                      F-16

<PAGE>   1
                                                                    Exhibit 3(i)

                      RESTATED CERTIFICATE OF INCORPORATION
                             OF BIOPURE CORPORATION
                         PURSUANT TO SECTION 245 OF THE
                GENERAL CORPORATION LAW OF THE STATE OF DELAWARE

     Biopure Corporation, a corporation organized and existing under the laws of
the State of Delaware, hereby certifies as follows:

     1.   The name of the corporation is Biopure Corporation (the
"Corporation"). The Corporation was originally incorporated under the name
Biopure Fine Chemicals, Inc., which name was changed to "Biopure Corporation" on
October 31, 1985. The original Certificate of Incorporation was filed with the
Secretary of State of the State of Delaware on July 30, 1984, was restated on
December 22, 1998, and was subsequently amended.

     2.   This Restated Certificate of Incorporation restates the Restated
Certificate of Incorporation of the Corporation, as amended, and has been
adopted and approved in accordance with Section 245 of the General Corporation
Laws of the State of Delaware.

     3.   The text of the Restated Certificate of Incorporation as heretofore
amended is hereby restated to read in its entirety as follows:

     A.   FIRST: NAME. The name of the Corporation is:

                               Biopure Corporation

     B.   SECOND: REGISTERED AGENT. The registered office of the Corporation is
to be located at 1013 Centre Road, in the City of Wilmington, County of New
Castle, State of Delaware and the registered agent's name is the Corporation
Service Company.

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

     D.   FOURTH: CAPITALIZATION. The total number of shares of capital stock
which the Corporation shall have authority to issue is 130,000,179 shares,
divided into two classes. The total authorized number of shares of common stock
is 100,000,179, consisting of 100,000,000 shares of Class A Common Stock, par
value $0.01 ("Common Stock"), and 179 shares of Class B Common Stock, par value
$1.00 ("Class B Common Stock"). The total authorized number of shares of
preferred stock ("Preferred Stock") is 30,000,000 shares, par value $.01 per
share.

     Subject to any limitations prescribed by law, the Board of Directors is
authorized to provide for the issuance of shares of Preferred Stock in series,
and by filing a certificate pursuant


<PAGE>   2


to the applicable law of the State of Delaware (such certificate being
hereinafter referred to as a "Preferred Stock Designation"), to establish from
time to time the number of shares to be included in each such series, and to fix
the designation, powers, preferences, and rights of the shares of each such
series and any qualifications, limitations or restrictions thereof. The number
of authorized shares of Preferred Stock in any such series may be increased or
decreased (but not below the number of shares thereof then outstanding) by the
affirmative vote of holders of a majority of the voting power entitled to vote
generally in the election of directors, without a vote of the holders of
Preferred Stock of such series, unless a vote of any such holders is required
pursuant to the terms of any Preferred Stock Designation.

     The powers, preferences and rights of the shares of the Common Stock and
the Class B Common Stock and the qualifications, limitations or restrictions
thereof, are as follows:

     4.1. COMMON STOCK

          4.1.1. Except as otherwise required by law and subject to the voting
rights of the holders of Preferred Stock, the holders of Common Stock are
entitled at all times to one vote per share on all matters to be voted on by the
Corporation's stockholders.

          4.1.2. The holders of the Common Stock are entitled to receive
dividends when and as dividends on the Common Stock are declared by the Board of
Directors.

     4.2. CLASS B COMMON STOCK

          4.2.1. DIVIDENDS. The holders of the Class B Common Stock shall not be
entitled to receive dividends.

          4.2.2. VOTING RIGHTS. The holders of the Class B Common Stock shall
have no right as such holders to vote at or participate in any meeting of
stockholders of the Corporation or to receive any notice of such meeting, except
as required by law.

          4.2.3. DISTRIBUTION OF ASSETS. In the event of the voluntary or
involuntary liquidation, dissolution, or winding up of the Corporation, and
after all amounts to which the holders of Preferred Stock have been paid or set
aside in cash for payment, the holders of Class B Common Stock will be entitled
to receive on a PARI PASSU basis with the holders of Common Stock all of the
remaining assets of the Corporation available for distribution to holders of its
Common Stock. For purposes of determining the portion of such remaining assets
to be received by holders of the Class B Common Stock, shares of Class B Common
Stock shall be deemed to have been converted into a number of shares of Common
Stock to be determined by multiplying the Share Limit by the Class B Liquidation
Ratio.


                                      -2-
<PAGE>   3


          4.2.4. CONVERSION. All outstanding shares of Class B Common Stock
shall be automatically converted into shares of Common Stock at the time and on
the terms set forth below.

               (a)  Upon receipt by the Corporation of the Determination, all
shares of Class B Common Stock shall, subject to adjustment as provided in
subparagraph (b) below, be automatically converted into that number of shares of
Common Stock equal to the product of the Exchange Rate (based on the Fair Market
Value per share of Common Stock as set forth in the Determination) and the Class
B Conversion Value provided that the aggregate number of shares of Common Stock
issued pursuant to this provision shall not exceed an amount equal to the
product of the Class B Conversion Ratio and the Share Limit.

               If each outstanding share of the Class B Common Stock is so
automatically converted, it shall be converted without any further action by the
holders of such shares and whether or not the certificates representing such
shares are surrendered to the Corporation or its transfer agent; provided,
however, that the Corporation shall not be obligated to issue certificates
evidencing the shares of the Common Stock issuable upon conversion of any shares
of the Class B Common Stock unless certificates evidencing such shares of the
Class B Common Stock are either delivered to the Corporation or any transfer
agent, as hereinafter provided, or the holder notifies the Corporation that such
certificates have been lost, stolen or destroyed and executes an agreement
satisfactory to the Corporation to indemnify the Corporation from any loss
incurred by it in connection therewith. Upon the occurrence of the automatic
conversion of the Class B Common Stock, the holders of the Class B Common Stock
shall surrender the certificates representing such shares at the office of the
Corporation or of any transfer agent for the Class B Common Stock or the Common
Stock. Thereupon, there shall be issued and delivered to such holder, promptly
at such office and in his name as shown on such surrendered certificate or
certificates, a certificate or certificates for the number of shares of Common
Stock into which the shares of the Class B Common Stock surrendered were
converted on the date on which the Determination was received by the
Corporation.

               (b)  Any conversion of Class B Common Stock under subparagraph
(a) shall be subject to adjustment as described below. In the event that the
Corporation shall (i) declare a dividend or make a distribution on Common Stock
payable in shares of its capital stock (whether shares of Common Stock or of
capital stock of any other class), (ii) subdivide outstanding shares of Common
Stock into a greater number of shares, (iii) combine outstanding shares of
Common Stock into a smaller number of shares, or (iv) issue any shares of its
capital stock by reclassification of Common Stock (including any such
reclassification in connection with a consolidation or merger in which the
Corporation is the continuing Corporation), then if the record date, in the case
of such a dividend or distribution, or the effective date, in the case of such a
subdivision, combination or reclassification, is after the 30th day after PLA
and ELA Approval, then the holder shall be entitled to receive upon conversion
of its shares of Class B Common Stock pursuant to paragraph (a) above the
aggregate number and kind of shares which, if such


                                      -3-
<PAGE>   4


conversion had been made at the Exchange Rate and subject to the Share Limit in
effect immediately prior to such event, the holder would have owned upon such
conversion and been entitled to receive by virtue of such dividend,
distribution, subdivision, combination or reclassification.

               (c)  The Corporation shall at all times reserve and keep
available out of its authorized but unissued shares of Common Stock, solely for
the purpose of effecting the conversion of shares of the Class B Common Stock,
such number of its shares of Common Stock as shall from time to time be
sufficient to effect the conversion of all outstanding shares of Class B Common
Stock; and if at any time the number of authorized but unissued shares of Common
Stock shall not be sufficient to effect the conversion of all then outstanding
shares of the Class B Common Stock, the Corporation will take such corporate
action as may, in the opinion of its counsel, be necessary to increase its
authorized but unissued shares of the Common Stock to such number of shares as
shall be sufficient for such purpose.

          4.2.5. DEFINITIONS.

          "Class B Conversion Ratio" means a fraction, the numerator of which
shall be 24.574 plus the number of shares of Class B Common Stock held by the
holders and the denominator of which shall be 225.

          "Class B Conversion Value" means the multiplicative product of (x)
24.574 plus the number of outstanding shares of Class B Common Stock and (y) $1
million.

          "Class B Liquidation Ratio" means a fraction, the numerator of which
shall be the number of shares of Class B Common Stock held by the holders and
the denominator of which shall be 225.

          "Determination" means the determination by the Qualified Arbitrator of
the Fair Market Value of the Corporation as of the 30th day following PLA and
ELA Approval pursuant to a Determination Process which shall commence on the
30th day following PLA and ELA Approval.

          "Determination Process" means the following process through which the
Determination shall be made:

               (a) On or before the 40th day following PLA and ELA Approval, the
Corporation and the holder of the Class B Common Stock (the "Parties") shall
agree on the appointment of a Qualified Arbitrator and such Qualified Arbitrator
shall within 60 days further make the Determination, provided, however, that:


                                      -4-
<PAGE>   5


                    (i) if the Parties shall not agree on the appointment of a
Qualified Arbitrator as aforesaid, the Parties shall each appoint a
disinterested third party as its representative on or before such 40th day
following PLA and ELA Approval and the representatives thus appointed shall
appoint a Qualified Arbitrator, and such Qualified Arbitrator shall be
instructed to make the determination within 30 days;

                    (ii) if either Party shall have failed to appoint a
representative as aforesaid, the first representative appointed shall appoint
the Qualified Arbitrator;

                    (iii) if the two representatives appointed by the Parties
shall be unable to agree upon the appointment of the Qualified Arbitrator within
15 days of their appointment, they shall give notice of such failure to agree to
the Parties and, either of the Parties upon notice to the other Party may apply
for such appointment to the Chancery Court of Delaware; and

                    (iv) in the event of the failure, refusal or inability of
the Qualified Arbitrator to act, a new Qualified Arbitrator shall be appointed
in its stead, which appointment shall be made in the same manner as hereinbefore
provided for the appointment of the Qualified Arbitrator.

               (b) The Qualified Arbitrator shall give notice to the Parties
stating its determination, and shall furnish to each a copy of such
determination signed by it. Such Determination, absent manifest error, shall be
binding.

          "Exchange Rate" means at any time of determination the amount
determined in accordance with the following formula:

                                        1
                   -------------------------------------------
                   Fair Market Value per Share of Common Stock

          "Fair Market Value per Share of Common Stock" means the Determination
of the fair market value of the Company divided by 20,453,287 adjusted to the
same extent of any adjustments pursuant to the definition of "Share Limit,"
being the number of shares, as of January 20, 1997, of Common Stock on a fully
diluted basis that gives effect to any outstanding options, warrants, rights or
securities convertible into or exercisable for Common Stock, and agreements to
issue any such securities or rights, in each case, to the extent that such
issuance would have a dilutive effect on such fair market value after also
taking into account any exercise price payable in connection with the exercise
thereof; PROVIDED, that if the product of the "Fair Market Value per Share of
Common Stock" and the aggregate number of shares of Common Stock outstanding and
issuable pursuant to any options, warrants, rights and agreements described
above (the "Aggregate Biopure Common Equity Value") is more than $3,000,000,000,


                                      -5-
<PAGE>   6


then the "Fair Market Value per Share of Common Stock" shall be deemed to be
such amount as would cause the Aggregate Biopure Common Equity Value to be
$3,000,000,000.

          "Hemopure" means a bovine hemoglobin source Blood Product known as
Hemopure developed for clinical use by the Corporation which is the subject of
pending United States and foreign patent applications.

          "PLA and ELA Approval" means receipt of all regulatory approvals
required for the development, production, use, lease, sale, license, sublicense
and other disposition of Hemopure for the sale and distribution of Hemopure for
in vivo use as an oxygen transport material in humans in the United States.

          "Qualified Arbitrator" means an investment banking or appraisal firm
of nationally recognized standing having the knowledge and experience necessary
to make the Determination selected in accordance with the procedures set forth
in the definition of Determination Process above.

          "Share Limit" means, at the time of the Determination, 3,017,700,
subject to adjustment as follows: In the event that the Corporation shall on or
after January 20, 1997 (i) declare a dividend or make a distribution on Common
Stock payable in shares of its capital stock (whether shares of Common Stock or
of capital stock of any other class) and set a record date for such dividend or
distribution as a date prior to the date on which the Corporation receives the
Determination, (ii) subdivide outstanding shares of Common Stock into a greater
number of shares, (iii) combine outstanding shares of Common Stock into a
smaller number of shares, or (iv) issue any shares of its capital stock by
reclassification of Common Stock (including any such reclassification in
connection with a consolidation or merger in which the Corporation is the
continuing Corporation), then the Share Limit in effect immediately prior to
such event shall automatically be adjusted immediately after the record date, in
the case of such a dividend or distribution, or the effective date, in the case
of such a subdivision, combination or reclassification, to be such aggregate
number of shares of Common Stock that a holder of a number of shares of Common
Stock equal to the Share Limit in effect immediately prior to such event, would
have been entitled to receive by virtue of such dividend, distribution,
subdivision, combination or reclassification.

          FIFTH: BY-LAWS. The board of directors of the Corporation is expressly
authorized to adopt, amend or repeal the by-laws of the Corporation, subject to
the vote of directors otherwise required herein.


                                      -6-
<PAGE>   7


          SIXTH: DIRECTORS; NO STOCKHOLDER ACTION BY WRITTEN CONSENT, ETC. The
following provisions are inserted for the management of the business and the
conduct of the affairs of the Corporation, and for further definition,
limitation and regulation of the powers of the Corporation and of its directors
and stockholders:

          The business and affairs of the Corporation shall be managed by or
under the direction of the board of directors. In addition to the powers and
authority expressly conferred upon them by statute or by this Restated
Certificate of Incorporation or the by-laws of the Corporation, the directors
are hereby empowered to exercise all such powers and do all such acts and things
as may be exercised or done by the Corporation.

          The directors of the Corporation need not be elected by written ballot
unless the by-laws so provide.

          Any action required or permitted to be taken by the stockholders of
the Corporation must be effected at a duly called annual or special meeting of
stockholders of the Corporation and may not be effected by any consent in
writing by such stockholders.

          Special meetings of stockholders of the Corporation may be called only
by the Chairman of the Board or the President or by the Board of Directors
acting pursuant to a resolution adopted by a majority of the Whole Board. For
purposes of this Restated Certificate of Incorporation, the term "Whole Board"
shall mean the total number of authorized directors whether or not there exist
any vacancies in previously authorized directorships.

          SEVENTH: CLASSIFIED BOARD. Subject to the rights of the holders of any
series of Preferred Stock to elect additional directors under specified
circumstances, the number of directors shall be fixed from time to time
exclusively by the Board of Directors pursuant to a resolution adopted by a
majority of the Whole Board. The directors, other than those who may be elected
by the holders of any series of Preferred Stock under specified circumstances,
shall be divided into three classes, with the term of office of the first class
to expire at the Corporation's first annual meeting of stockholders following
the effectiveness of this Article, the term of office of the second class to
expire at the Corporation's second annual meeting of stockholders following the
effectiveness of this Article and the term of office of the third class to
expire at the Corporation's third annual meeting of stockholders following the
effectiveness of this Article. At each annual meeting of stockholders, directors
elected to succeed those directors whose terms expire shall be elected for a
term of office to expire at the third succeeding annual meeting of stockholders
after their election.

          Subject to the rights of the holders of any series of Preferred Stock
then outstanding, newly created directorships resulting from any increase in the
authorized number of directors or any vacancies in the board of directors
resulting from death, resignation, retirement, disqualification, removal from
office or other cause shall, unless otherwise provided by law or by


                                      -7-
<PAGE>   8


resolution of the Board of Directors, be filled only by a majority vote of the
directors then in office, though less than a quorum, and directors so chosen
shall hold office for a term expiring at the annual meeting of stockholders at
which the term of office of the class to which they have been chosen expires. No
decrease in the authorized number of directors shall shorten the term of any
incumbent director.

          Advance notice of stockholder nominations for the election of
directors and of business to be brought by stockholders before any meeting of
the stockholders of the Corporation shall be given in the manner provided in the
by-laws of the Corporation.

          Subject to the rights of the holders of any series of Preferred Stock
then outstanding, any directors, or the entire board of directors, may be
removed from office at any time, but only for cause and only by the affirmative
vote of the holders of at least sixty-six and two-thirds percent (66 2/3%) of
the voting power of all of the then-outstanding shares of capital stock of the
Corporation entitled to vote generally in the election of directors, voting
together as a single class.

          EIGHTH: AMENDMENT TO BY-LAWS. The Board of Directors is expressly
empowered to adopt, amend or repeal the by-laws of the Corporation. Any
adoption, amendment or repeal of the by-laws of the Corporation by the Board of
Directors shall require the approval of a majority of the Whole Board. The
stockholders shall also have power to adopt, amend or repeal the by-laws of the
Corporation; provided, however, that, in addition to any vote of the holders of
any class or series of stock of the Corporation required by law or by this
Restated Certificate of Incorporation, the affirmative vote of the holders of at
least sixty-six and two-thirds percent (66 2/3%) of the voting power of all of
the then-outstanding shares of the capital stock of the Corporation entitled to
vote generally in the election of directors, voting together as a single class,
shall be required to adopt, amend or repeal any provision of the by-laws of the
Corporation.

          NINTH: AMENDMENTS TO CERTIFICATE. The Corporation reserves the right
to amend, alter or repeal any provision contained in this Restated Certificate
of Incorporation in the manner prescribed by the laws of the State of Delaware
and all rights conferred upon stockholders are granted subject to this
reservation; provided, however, that, notwithstanding any other provision of
this Restated Certificate of Incorporation or any provision of law that might
otherwise permit a lesser vote or no vote, but in addition to any vote of the
holders of any class or series of the stock of this Corporation required by law
or by this Restated Certificate of Incorporation, the affirmative vote of the
holders of at least sixty-six and two-thirds percent (66 2/3%) of the voting
power of all of the then-outstanding shares of the capital stock of the
Corporation entitled to vote generally in the election of directors, voting
together as a single class, shall be required to amend or repeal this Article
NINTH, or Articles FIFTH, SIXTH, SEVENTH, EIGHTH, TENTH or ELEVENTH or to adopt
an agreement of merger or consolidation or to approve the sale, lease, exchange
or other disposition of all or substantially all of the Corporation's property
and assets; provided that on and after July 31, 2003, the affirmative vote


                                      -8-
<PAGE>   9


of the holders of at least a majority of the voting power of all of the
then-outstanding shares of the capital stock of the Corporation entitled to vote
generally in the election of directors, voting together as a single class, shall
be required to adopt an agreement of merger or consolidation or to approve the
sale, lease, exchange or other disposition of all or substantially all of the
Corporation's property and assets.

          TENTH: LIABILITY. No director shall be personally liable to the
Corporation or its stockholders for monetary damages for breach of fiduciary
duty as a director; provided, however, that to the extent required by the
provisions of Section 102(b)(7) of the General Corporation Law of the State of
Delaware or any successor statute, as the same may be interpreted or amended
from time to time, or any other laws of the State of Delaware, this provision
shall not eliminate or limit the liability of a director (i) for any breach of
the director's duty of loyalty to the Corporation or its stockholders, (ii) for
acts or omissions not in good faith or which involve intentional misconduct or a
knowing violation of law, (iii) under Section 174 of the General Corporation Law
of the State of Delaware or (iv) for any transaction from which the director
derived an improper personal benefit. If the General Corporation Law of the
State of Delaware hereafter is amended to authorize the further elimination or
limitation on personal liability of directors, then the liability of a director
of the Corporation, in addition to the limitation on personal liability provided
herein, shall be limited to the fullest extent permitted by the amended General
Corporation Law of the State of Delaware. Any repeal or modification of this
Article TENTH by the stockholders of the Corporation shall be prospective only,
and shall not adversely affect any limitation on the personal liability of a
director of the Corporation existing at the time of such repeal or modification.

          ELEVENTH: INDEMNIFICATION AND ADVANCEMENT OF EXPENSES.

          11.1 INDEMNIFICATION. Each person who was or is made a party or is
threatened to be made a party to or is otherwise involved in any action, suit or
proceeding, whether civil, criminal, administrative or investigative
(hereinafter a "proceeding"), by reason of the fact that he or she is or was a
director or an officer of the Corporation or is or was serving at the request of
the Corporation as a director, officer, employee or agent of another corporation
or of a partnership, joint venture, trust or other enterprise, including service
with respect to an employee benefit plan (hereinafter an "indemnitee"), whether
the basis of such proceeding is alleged action in an official capacity as a
director, officer, employee or agent or in any other capacity while serving as a
director, officer, employee or agent, shall be indemnified and held harmless by
the Corporation to the fullest extent authorized by the Delaware General
Corporation Law, as the same exists or may hereafter be amended (but, in the
case of any such amendment, only to the extent that such amendment permits the
Corporation to provide broader indemnification rights than such law permitted
the Corporation to provide prior to such amendment), against all expense,
liability and loss (including attorneys' fees, judgments, fines, ERISA excise
taxes or penalties and amounts paid in settlement) reasonably incurred or
suffered by such indemnities in connection therewith; provided, however, that,
except as provided in Section 11.3 of this Article


                                      -9-
<PAGE>   10


ELEVENTH with respect to proceedings to enforce rights to indemnification, the
Corporation shall indemnify any such indemnities in connection with a proceeding
(or part thereof) initiated by such indemnitee only if such proceeding (or part
thereof) was authorized by the Board of Directors of the Corporation.

          11.2 RIGHT TO ADVANCEMENT OF EXPENSES. The right to indemnification
conferred in Section 11.1 of this Article ELEVENTH shall include the right to be
paid by the Corporation the expenses (including attorneys' fees) incurred in
defending any such proceeding in advance of its final disposition (hereinafter
an "advancement of expenses"); provided, however, that, if the Delaware General
Corporation Law requires, an advancement of expenses incurred by an indemnitee
in his or her capacity as a director or officer (and not in any other capacity
in which service was or is rendered by such indemnitee, including, without
limitation, service to an employee benefit plan) shall be made only upon
delivery to the Corporation of an undertaking (hereinafter an "undertaking"), by
or on behalf of such indemnitee, to repay all amounts so advanced if it shall
ultimately be determined by final judicial decision from which there is no
further right to appeal (hereinafter a "final adjudication") that such
indemnitee is not entitled to be indemnified for such expenses under this
Section 11.2 or otherwise. The rights to indemnification and to the advancement
of expenses conferred in Sections 11.1 and 11.2 of this Article ELEVENTH shall
be contract rights and such rights shall continue as to an indemnitee who has
ceased to be a director, officer, employee or agent and shall inure to the
benefit of the indemnitee's heirs, executors and administrators.

          11.3 RIGHT OF INDEMNITEE TO BRING SUIT. If a claim under Sections 11.1
or 11.2 of this Article ELEVENTH is not paid in full by the Corporation within
sixty (60) days after a written claim has been received by the Corporation,
except in the case of a claim for an advancement of expenses, in which case the
applicable period shall be twenty (20) days, the indemnitee may at any time
thereafter bring suit against the Corporation to recover the unpaid amount of
the claim. If successful in whole or in part in any such suit, or in a suit
brought by the Corporation to recover an advancement of expenses pursuant to the
terms of an undertaking, the indemnitee shall be entitled to be paid also the
expense of prosecuting or defending such suit. In (i) any suit brought by the
indemnitee to enforce a right to indemnification hereunder (but not in a suit
brought by the indemnitee to enforce a right to an advancement of expenses) it
shall be a defense that, and (ii) in any suit brought by the Corporation to
recover an advancement of expenses pursuant to the terms of an undertaking, the
Corporation shall be entitled to recover such expenses upon a final adjudication
that, the indemnitee has not met any applicable standard for indemnification set
forth in the Delaware General Corporation Law. Neither the failure of the
Corporation (including its Board of Directors, independent legal counsel, or its
stockholders) to have made a determination prior to the commencement of suit
that indemnification of the indemnitee is proper in the circumstances because
the indemnitee has met the applicable standard of conduct set forth in the
Delaware General Corporation Law, nor an actual determination by the Corporation
(including its Board of Directors, independent legal counsel, or its
stockholders) that the indemnitee has not met such applicable standard of
conduct, shall create a presumption that


                                      -10-
<PAGE>   11


the indemnitee has not met the applicable standard of conduct or, in the case of
such a suit brought by the indemnitee, be a defense to such suit. In any suit
brought by the indemnitee to enforce a right to indemnification or to an
advancement of expenses hereunder, or brought by the Corporation to recover an
advancement of expenses pursuant to the terms of an undertaking, the burden of
proving that the indemnitee is not entitled to be indemnified, or to such
advancement of expenses, under this Article ELEVENTH or otherwise shall be on
the Corporation.

          11.4 NON-EXCLUSIVITY OF RIGHTS. The rights to indemnification and to
the advancement of expenses conferred in this Article ELEVENTH shall not be
exclusive of any other right which any person may have or hereafter acquire
under any statute, the Corporation's Certificate of Incorporation, by-laws,
agreement, vote of stockholders or disinterested directors or otherwise.

          11.5 INSURANCE. The Corporation may maintain insurance, at its
expense, to protect itself and any director, officer, employee or agent of the
Corporation or another Corporation, partnership, joint venture, trust or other
enterprise against any expense, liability or loss, whether or not the
Corporation would have the power to indemnify such person against such expense,
liability or loss under the Delaware General Corporation Law.

          11.6 INDEMNIFICATION OF EMPLOYEES AND AGENTS OF THE CORPORATION. The
Corporation may, to the extent authorized from time to time by the Board of
Directors, grant rights to indemnification and to the advancement of expenses to
any employee or agent of the Corporation to the fullest extent of the provisions
of this Article with respect to the indemnification and advancement of expenses
of directors and officers of the Corporation.

          IN WITNESS WHEREOF, the undersigned has caused this Restated
Certificate of Incorporation to be executed in its corporate name by its Senior
Vice President this 27th day of January, 2000.


                                                /s/ Jane Kober
                                                --------------------------------
                                                Name:  Jane Kober
                                                Title: Senior Vice President,
                                                         General Counsel and
                                                         Secretary


                                      -11-

<PAGE>   1


                               POWER OF ATTORNEY

     WHEREAS, Biopure Corporation (the "Company") will file an annual report on
Form 10-K for the fiscal year ended October 31, 1999 (the "Form 10-K") pursuant
to Section 13(d) or 15(d) of the Securities Exchange Act of 1934, as amended.

     NOW, THEREFORE, KNOW ALL MEN BY THESE PRESENTS, that the undersigned
director or officer of the Company, individually as a director and/or as an
officer of the Company, hereby makes, constitutes and appoints each of Paul A.
Looney, Francis H. Murphy and Jane Kober his true and lawful attorney-in-fact
in his name, place and stead to sign the Form 10-K report, including any
appropriate amendments thereto, to be accompanied by any necessary exhibits.


                                       /s/ Carl W. Rausch


                                       Date: January 26, 2000
<PAGE>   2



                               POWER OF ATTORNEY

     WHEREAS, Biopure Corporation (the "Company") will file an annual report on
Form 10-K for the fiscal year ended October 31, 1999 (the "Form 10-K") pursuant
to Section 13(d) or 15(d) of the Securities Exchange Act of 1934, as amended.

     NOW, THEREFORE, KNOW ALL MEN BY THESE PRESENTS, that the undersigned
director or officer of the Company, individually as a director and/or as an
officer of the Company, hereby makes, constitutes and appoints each of Paul A.
Looney, Francis H. Murphy and Jane Kober his true and lawful attorney-in-fact
in his name, place and stead to sign the Form 10-K report, including any
appropriate amendments thereto, to be accompanied by any necessary exhibits.


                                       /s/ David N. Judelson


                                       Date: January 24, 2000
<PAGE>   3




                               POWER OF ATTORNEY

     WHEREAS, Biopure Corporation (the "Company") will file an annual report on
Form 10-K for the fiscal year ended October 31, 1999 (the "Form 10-K") pursuant
to Section 13(d) or 15(d) of the Securities Exchange Act of 1934, as amended.

     NOW, THEREFORE, KNOW ALL MEN BY THESE PRESENTS, that the undersigned
director or officer of the Company, individually as a director and/or as an
officer of the Company, hereby makes, constitutes and appoints each of Paul A.
Looney, Francis H. Murphy and Jane Kober his true and lawful attorney-in-fact
in his name, place and stead to sign the Form 10-K report, including any
appropriate amendments thereto, to be accompanied by any necessary exhibits.


                                       /s/ Paul A. Looney


                                       Date: January 26, 2000
<PAGE>   4



                               POWER OF ATTORNEY

     WHEREAS, Biopure Corporation (the "Company") will file an annual report on
Form 10-K for the fiscal year ended October 31, 1999 (the "Form 10-K") pursuant
to Section 13(d) or 15(d) of the Securities Exchange Act of 1934, as amended.

     NOW, THEREFORE, KNOW ALL MEN BY THESE PRESENTS, that the undersigned
director or officer of the Company, individually as a director and/or as an
officer of the Company, hereby makes, constitutes and appoints each of Paul A.
Looney, Francis H. Murphy and Jane Kober his true and lawful attorney-in-fact
in his name, place and stead to sign the Form 10-K report, including any
appropriate amendments thereto, to be accompanied by any necessary exhibits.


                                       /s/ Daniel P. Harrington


                                       Date: January 20, 2000
<PAGE>   5



                               POWER OF ATTORNEY

     WHEREAS, Biopure Corporation (the "Company") will file an annual report on
Form 10-K for the fiscal year ended October 31, 1999 (the "Form 10-K") pursuant
to Section 13(d) or 15(d) of the Securities Exchange Act of 1934, as amended.

     NOW, THEREFORE, KNOW ALL MEN BY THESE PRESENTS, that the undersigned
director or officer of the Company, individually as a director and/or as an
officer of the Company, hereby makes, constitutes and appoints each of Paul A.
Looney, Francis H. Murphy and Jane Kober his true and lawful attorney-in-fact
in his name, place and stead to sign the Form 10-K report, including any
appropriate amendments thereto, to be accompanied by any necessary exhibits.


                                       /s/ Stephen A. Kaplan


                                       Date: January 26, 2000
<PAGE>   6


                               POWER OF ATTORNEY

     WHEREAS, Biopure Corporation (the "Company") will file an annual report on
Form 10-K for the fiscal year ended October 31, 1999 (the "Form 10-K") pursuant
to Section 13(d) or 15(d) of the Securities Exchange Act of 1934, as amended.

     NOW, THEREFORE, KNOW ALL MEN BY THESE PRESENTS, that the undersigned
director or officer of the Company, individually as a director and/or as an
officer of the Company, hereby makes, constitutes and appoints each of Paul A.
Looney, Francis H. Murphy and Jane Kober his true and lawful attorney-in-fact
in his name, place and stead to sign the Form 10-K report, including any
appropriate amendments thereto, to be accompanied by any necessary exhibits.


                                       /s/ C. Everett Koop


                                       Date: January 19, 2000
<PAGE>   7



                               POWER OF ATTORNEY

     WHEREAS, Biopure Corporation (the "Company") will file an annual report on
Form 10-K for the fiscal year ended October 31, 1999 (the "Form 10-K") pursuant
to Section 13(d) or 15(d) of the Securities Exchange Act of 1934, as amended.

     NOW, THEREFORE, KNOW ALL MEN BY THESE PRESENTS, that the undersigned
director or officer of the Company, individually as a director and/or as an
officer of the Company, hereby makes, constitutes and appoints each of Paul A.
Looney, Francis H. Murphy and Jane Kober his true and lawful attorney-in-fact
in his name, place and stead to sign the Form 10-K report, including any
appropriate amendments thereto, to be accompanied by any necessary exhibits.


                                       /s/ Charles A. Sanders


                                       Date: January 19, 2000

<TABLE> <S> <C>

<ARTICLE> 5
<MULTIPLIER> 1,000
<CURRENCY> US DOLLAR

<S>                             <C>
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          OCT-31-1999
<PERIOD-START>                             NOV-01-1998
<PERIOD-END>                               OCT-31-1999
<EXCHANGE-RATE>                                      1
<CASH>                                          30,778
<SECURITIES>                                         0
<RECEIVABLES>                                      370
<ALLOWANCES>                                        49
<INVENTORY>                                      3,182
<CURRENT-ASSETS>                                38,277
<PP&E>                                          44,345
<DEPRECIATION>                                  16,898
<TOTAL-ASSETS>                                  66,230
<CURRENT-LIABILITIES>                           10,405
<BONDS>                                              0
                                0
                                          0
<COMMON>                                           223
<OTHER-SE>                                      53,814
<TOTAL-LIABILITY-AND-EQUITY>                    66,230
<SALES>                                          2,749
<TOTAL-REVENUES>                                 2,866
<CGS>                                            6,814
<TOTAL-COSTS>                                    6,814
<OTHER-EXPENSES>                                24,166<F1>
<LOSS-PROVISION>                                    21
<INTEREST-EXPENSE>                                 469
<INCOME-PRETAX>                               (35,530)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                           (35,530)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                  (35,530)
<EPS-BASIC>                                     (3.61)
<EPS-DILUTED>                                        0

<FN>
     OTHER EXPENSES are for R&D incurred in developing product for market.
EPS-PRIMARY reflects a reverse two for three stock split and the proforma
restatement of outstanding preferred shares associated with the company's
initial public offering on July 30, 1999. In addition, $17,915 of stock
dividends issued to preferred stockholders were included in the net loss
applicable to common stockholders in calculating the EPS-PRIMARY number.
</FN>

</TABLE>

<PAGE>   1

                                                                    EXHIBIT 99.0


Certain Factors to Consider in Connection with Forward Looking Statements

COMPANY RISKS

IF WE CANNOT GENERATE ADEQUATE, PROFITABLE SALES OF HEMOPURE, WE WILL NOT BE
SUCCESSFUL

In order to succeed as a company, we must develop Hemopure commercially and sell
adequate quantities of Hemopure at a high enough price to generate a profit. We
may not accomplish either of these objectives.

Even if we succeed in developing Hemopure commercially, a number of factors may
affect future sales of our product. These factors include:

*    whether physicians, patients and clinicians accept Hemopure as a
     cost-effective and therapeutic alternative to other products, including
     donated human blood;

*    whether reimbursement for the cost of Hemopure is available; and

*    whether the public accepts the use of a natural protein product extracted
     from bovine red blood cells in transfusions, particularly in light of
     public perceptions in Europe and elsewhere about the risk of "mad cow
     disease".

IF WE FAIL TO OBTAIN FDA APPROVAL, WE CANNOT MARKET HEMOPURE IN THE UNITED
STATES

We will not be able to market Hemopure in the United States until we receive FDA
approval. Obtaining FDA approval generally takes years and consumes substantial
capital resources with no assurance of ultimate success. We cannot apply for FDA
approval to market Hemopure until the product successfully completes an ongoing
U.S. pivotal Phase III clinical trial. Several factors may prevent successful
completion of this clinical trial, including an inability to enroll the required
number of patients and insufficient demonstration that Hemopure is safe and
effective for use in humans. If safety problems develop, the FDA could stop our
trial before its completion. Recent publicity about enrollment abuses in the
pharmaceutical industry and regulatory actions taken with respect to some major
research institutes engaged in the clinical testing of pharmaceutical products
could affect the ability of Biopure to enroll patients in its clinical studies.

Even if we complete the trial, we are not certain that we will be able to obtain
FDA approval of Hemopure. We believe that our ongoing U.S. pivotal Phase III
clinical trial is consistent with the FDA's most recent guidance on the design
and efficacy and safety endpoints required for approval of products such as
Hemopure. However, the FDA could change its view or require a change in study
design, additional data or even further clinical trials prior to approval of
Hemopure. If we fail to complete our ongoing U.S. pivotal Phase III clinical
trial and obtain FDA approval, we cannot market Hemopure in the United States.

OUR FAILURE TO OBTAIN REGULATORY APPROVALS IN FOREIGN JURISDICTIONS WILL PREVENT
US FROM MARKETING HEMOPURE ABROAD

We also intend to market our products in international markets, including the
European Union and South Africa. We must obtain separate regulatory approvals in
order to market our products in the European Union, South Africa and many other
foreign jurisdictions. The regulatory approval processes may differ among these
jurisdictions. Approval in any one jurisdiction does not ensure approvals in a
different jurisdiction. As a result, obtaining foreign approvals may require
additional trials and additional expenses.

<PAGE>   2


WE CANNOT EXPAND INDICATIONS FOR OUR PRODUCTS UNLESS WE RECEIVE FDA APPROVAL FOR
EACH PROPOSED INDICATION

The FDA requires a separate approval for each proposed indication for the use of
Hemopure. We expect that our first indication for Hemopure will only involve its
use in elective orthopedic surgery. Subsequently, we expect to expand Hemopure's
indications. In order to do so, we will have to design additional clinical
trials, submit the trial designs to the FDA for review and complete those trials
successfully. We cannot guarantee that the FDA will approve Hemopure for any
indication. We can only promote Hemopure for indications which have been
approved by the FDA. Moreover, it is possible that the FDA may require a label
cautioning against Hemopure's use for any or all other indications.

The FDA has approved the use of our veterinary product, Oxyglobin, for the
treatment of anemia in dogs, regardless of cause. Supplemental approvals are
required to market Oxyglobin for any new indications or additional species. We
cannot guarantee that we will receive such approvals.

IF WE CANNOT FIND APPROPRIATE MARKETING PARTNERS, WE MAY NOT BE ABLE TO MARKET
AND DISTRIBUTE HEMOPURE EFFECTIVELY

Our success depends, in part, on our ability to market and distribute Hemopure
effectively. We have no experience in the sale or marketing of medical products
for humans. In the past, we entered into agreements with two established
pharmaceutical companies to market our products upon successful completion of
clinical development. These arrangements ended in 1996 and 1997. In the event
that we obtain FDA approval of Hemopure, we may require the assistance of one or
more experienced pharmaceutical companies to market and distribute Hemopure
effectively.

If we seek an alliance with an experienced pharmaceutical company:

*    we may be unable to find a collaborative partner, enter into an alliance on
     favorable terms or enter into an alliance that will be successful;

*    any partner to an alliance might, at its discretion, limit the amount and
     timing of resources it devotes to marketing Hemopure; and

*    any marketing partner or licensee may terminate its agreement with us and
     abandon our products at any time for any reason without significant
     payments.

If we do not enter into an alliance with a pharmaceutical company to market and
distribute our products, we may not be successful in entering into alternative
arrangements, whether engaging independent distributors or recruiting, training
and retaining a marketing staff and sales force of our own.

FAILURE TO INCREASE MANUFACTURING CAPACITY MAY IMPAIR HEMOPURE'S MARKET
ACCEPTANCE

We will need to construct additional manufacturing facilities to meet annual
demand in excess of 120,000 units of Hemopure. If Hemopure receives rapid market
acceptance, we may experience difficulty manufacturing enough of the product to
meet demand. If we cannot fill orders for Hemopure, customers might turn to
alternative products and choose not to use Hemopure even after we have addressed
our capacity shortage.

FAILURE TO RAISE ADDITIONAL FUNDS IN THE FUTURE MAY AFFECT THE DEVELOPMENT,
MANUFACTURE AND SALE OF OUR PRODUCTS

We require substantial working capital to properly develop, manufacture and sell
our products. We expect to use a significant portion of the net proceeds of this
offering to fund our working capital requirements. Additional manufacturing
facilities will require additional financing. If such financing is not available
when needed or is not


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<PAGE>   3


available on acceptable terms, we may experience a delay in developing products,
building manufacturing capacity or fulfilling other important goals.

OUR LACK OF OPERATING HISTORY MAKES EVALUATING OUR BUSINESS DIFFICULT

Licensing fees, payments to us from investors and payments to fund our research
and development activities comprise almost all of our funding to date. We have
no operating history upon which to base an evaluation of our business and our
prospects. We must successfully develop our products and product enhancements,
achieve market acceptance of our products and respond to competition. We cannot
guarantee that we will be successful in doing so, that we will ever be
profitable or, if we are, that we will remain profitable on a quarterly or
annual basis.

WE HAVE A HISTORY OF LOSSES AND EXPECT FUTURE LOSSES

We have had annual losses from operations since our inception in 1984. We expect
to continue to incur losses from operations until we are able to develop
Hemopure commercially and generate a profit. As of October 31, 1999, we had
accumulated a deficit of $250.3 million. Our 1998 auditors' report stated that
our recurring losses from operations raise substantial doubt about our ability
to continue as a going concern.

IF WE ARE NOT ABLE TO PROTECT OUR INTELLECTUAL PROPERTY, COMPETITION COULD FORCE
US TO LOWER OUR PRICES, WHICH MIGHT REDUCE PROFITABILITY

We believe that our patents, trademarks and other intellectual property rights,
including our proprietary know-how, will be important to our success. Our
business position will depend, in part, upon our ability to defend our existing
patents and engage in our business free of claims of infringement by third
parties. We will need to obtain additional patents for our products, the
processes utilized to make our products and our product uses. We cannot
guarantee that additional products or processes will achieve patent protection.
In addition, third parties may successfully challenge our patents. Oppositions
to one of our European patents have already led to a narrowing of this patent in
Europe and, since some oppositions are still pending, may lead to further
narrowing or even a loss of this European patent.

We have not filed patent applications in every country of the world. In certain
countries, obtaining patents for our products, processes and uses may be
difficult or impossible. Patents issued in countries other than the United
States and in regions other than Europe may be harder to enforce than, and may
not provide the same protection as, patents obtained in the United States and
Europe.

OUR PROFITABILITY WILL BE AFFECTED IF WE INCUR PRODUCT LIABILITY CLAIMS IN
EXCESS OF OUR INSURANCE COVERAGE

The testing and marketing of medical products, even after FDA approval, have an
inherent risk of product liability. We maintain limited product liability
insurance coverage in the total amount of $10.0 million. Our profitability will
be affected by a successful product liability claim in excess of our insurance
coverage. We cannot guarantee that product liability insurance will be available
in the future or be available on reasonable terms.

REPLACING OUR SOLE SOURCE SUPPLIERS FOR KEY MATERIALS COULD RESULT IN UNEXPECTED
DELAYS AND EXPENSES

We obtain some key materials, including membranes and chemicals, from sole
source suppliers. If such materials were no longer available at a reasonable
cost from our existing suppliers, we would need to obtain supply contracts with
new suppliers for substitute materials. If we need to locate a new supplier, the
substitute or replacement materials will most likely be tested for equivalency.
Such evaluations could delay development of a product, limit commercial sales of
an FDA-approved product and cause us to incur significant additional expense. In
addition, the time expended for such tests could delay the marketing of an
FDA-approved product.


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CONCENTRATION OF STOCK OWNERSHIP AND PROVISIONS OF OUR RESTATED CERTIFICATE OF
INCORPORATION COULD DISCOURAGE TAKEOVER TRANSACTIONS THAT A STOCKHOLDER MIGHT
CONSIDER TO BE IN ITS BEST INTEREST.

Carl W. Rausch, one of our co-founders and our current Chairman, Chief Executive
Officer and President, beneficially owns 24.7% of our outstanding class A common
stock. As a result, Mr. Rausch has significant influence over the outcome of all
matters requiring stockholder approval, including the election and removal of
directors and a merger or consolidation of Biopure or sale of all or
substantially all of our assets. Mr. Rausch's influence could discourage others
from initiating a potential merger, takeover or other change of control
transaction, including a potential transaction at a premium over market price
that a stockholder might consider to be in its best interest. In addition,
certain provisions of our Restated Certificate of Incorporation and by-laws, as
well as the adoption of a stockholders' rights plan, could discourage these
transactions.

INDUSTRY RISKS

INTENSE COMPETITION COULD HARM OUR FINANCIAL PERFORMANCE

The biotechnology and pharmaceutical industries are highly competitive. There
are a number of companies, universities and research organizations actively
engaged in research and development of products that may be similar to Hemopure.
Increased competition could diminish our ability to become profitable or affect
our profitability in the future. Our existing and potential competitors:

*    are also conducting clinical trials of their products;

*    may have substantially greater resources than we do and may be better
     equipped to develop, manufacture and market their products;

*    may have their products approved for marketing prior to Hemopure; and

*    may develop superior technologies or products rendering our technology and
     products non-competitive or obsolete.

STRINGENT, ONGOING GOVERNMENT REGULATION AND INSPECTION OF OUR PRODUCTS COULD
LEAD TO DELAYS IN THE MANUFACTURE, MARKETING AND SALE OF OUR PRODUCTS

The FDA continues to review products even after they receive FDA approval. If
and when the FDA approves Hemopure, its manufacture and marketing will be
subject to ongoing regulation, including compliance with current Good
Manufacturing Practices, adverse event reporting requirements and the FDA's
general prohibitions against promoting products for unapproved or "off-label"
uses. We are also subject to inspection and market surveillance by the FDA for
compliance with these and other requirements. Any enforcement action resulting
from failure to comply with these requirements could affect the manufacture and
marketing of Hemopure. In addition, the FDA could withdraw a previously approved
product from the market upon receipt of newly discovered information.

We will be subject to a variety of regulations governing clinical trials and
sales of our products outside the United States. Whether or not FDA approval has
been obtained, we must secure approval of a product by the comparable non-U.S.
regulatory authorities prior to the commencement of marketing of the product in
a country. The approval process varies from country to country and the time
needed to secure additional approvals may be longer than that required for FDA
approval. These applications may require the completion of preclinical and
clinical studies and disclosure of information relating to manufacturing and
controls. Unanticipated changes in existing regulations or the adoption of new
regulations could affect the manufacture and marketing of our products.



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<PAGE>   5


HEALTH CARE REFORM AND CONTROLS ON HEALTH CARE SPENDING MAY LIMIT THE PRICE WE
CHARGE FOR HEMOPURE AND THE AMOUNT WE CAN SELL

The federal government and private insurers have considered ways to change, and
have changed, the manner in which health care services are provided in the
United States. Potential approaches and changes in recent years include controls
on health care spending and the creation of large purchasing groups. In the
future, it is possible that the government may institute price controls and
limits on Medicare and Medicaid spending. These controls and limits might affect
the payments we collect from sales of our products. Assuming we succeed in
bringing Hemopure to market, uncertainties regarding future health care reform
and private market practices could impact our ability to sell Hemopure in large
quantities at profitable pricing.

UNCERTAINTY OF THIRD-PARTY REIMBURSEMENT COULD AFFECT OUR PROFITABILITY

Sales of medical products largely depend on the reimbursement of patients'
medical expenses by governmental health care programs and private health
insurers. There is no guarantee that governmental health care programs or
private health insurers will reimburse our sales of Hemopure, or permit us to
sell our products at high enough prices to generate a profit.





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