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

                       SECURITIES AND EXCHANGE COMMISSION

                             Washington, D. C. 20549

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

                                    FORM 10-Q

                              --------------------
 (Mark One)

[X] QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 (D)
      OF THE SECURITIES EXCHANGE ACT OF 1934

                  For the quarterly period ended March 31, 2003

                                       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:   000-20985

                         CALYPTE BIOMEDICAL CORPORATION
             (Exact name of registrant as specified in its charter)

                  DELAWARE                                   06-1226727
(State or other jurisdiction of incorporation             (I.R.S. Employer
              or organization)                         Identification Number)

               1265 HARBOR BAY PARKWAY, ALAMEDA, CALIFORNIA 94502
               (Address of principal executive offices)    (Zip Code)

                                 (510) 749-5100
              (Registrant's telephone number, including area code)

         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 whether the registrant is an  accelerated  filer
(as defined in Rule 12b-2 of the Exchange Act.)

                                       Yes              No    X

         The registrant had 304,692,581 shares of common stock outstanding as of
May 12, 2003.

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                  CALYPTE BIOMEDICAL CORPORATION AND SUBSIDIARY


                                    FORM 10-Q

                                      INDEX

                                                                                               PAGE NO.
                                                                                               --------
                                                                                             

PART I.       FINANCIAL INFORMATION


           Item 1.      Consolidated Financial Statements (unaudited) :

                        Condensed Consolidated Balance Sheets as of
                        March 31, 2003 and December 31, 2002........................               3

                        Condensed Consolidated Statements of Operations for the Three
                        Months Ended March 31, 2003 and 2002........................               4

                        Condensed Consolidated Statements of Cash Flows for the Three
                        Months Ended March 31, 2003 and 2002........................               5

                        Notes to Condensed Consolidated Financial
                        Statements..................................................               6

           Item 2.      Management's Discussion and Analysis of Financial Condition and
                        Results of Operations.......................................              15

           Item 3.      Quantitative and Qualitative Disclosures About
                        Market Risk.................................................              48

           Item 4.      Controls and Procedures.....................................              49

PART II.   OTHER INFORMATION


           Item 1.      Legal Proceedings...........................................              50

           Item 2.      Changes in Securities and Use of Proceeds...................              50

           Item 4.      Submission of Matters to a Vote of Security Holders.........              52

           Item 5.      Other Information - Subsequent Events.......................              52

           Item 6.      Exhibits and Reports on Form 8-K............................              53

SIGNATURES AND CERTIFICATIONS.......................................................              54



                                      -2-


PART I.  FINANCIAL INFORMATION

ITEM 1.  FINANCIAL STATEMENTS

                  CALYPTE BIOMEDICAL CORPORATION AND SUBSIDIARY

                      CONDENSED CONSOLIDATED BALANCE SHEETS
                 (IN THOUSANDS, EXCEPT SHARE AND PER SHARE DATA)
                                   (UNAUDITED)



                                                                                                           MARCH 31,  DECEMBER 31,
                                                                                                             2003        2002
                                                                                                           ----------  ----------
                                     ASSETS
                                                                                                                 
Current assets:
Cash and cash equivalents                                                                                  $     294   $     147
Accounts receivable, net of allowance of $32 at March 31, 2003 and December 31, 2002                             319         327
Inventory                                                                                                      1,271         963
Prepaid expenses                                                                                                 294         163
Deferred offering costs, net of accumulated amortization of
   $396 and $213 at March 31,  2003 and December 31, 2002, respectively                                          732         662
Other current assets                                                                                              14          15
                                                                                                           ----------  ----------
Total current assets                                                                                           2,924       2,277
Property and equipment, net                                                                                      799         917
Other assets                                                                                                      83         103
                                                                                                           ----------  ----------
                                                                                                           $   3,806   $   3,297
                                                                                                           ==========  ==========
                  LIABILITIES, MANDATORILY REDEEMABLE PREFERRED
                        STOCK AND STOCKHOLDERS' DEFICIT
Current liabilities:
Accounts payable and accrued expenses                                                                      $   5,284   $   5,145
Notes and debentures payable, net of discount of $2,625 and $2,638 at March 31, 2003
 and December 31, 2002, respectively                                                                           3,404       2,181
Deferred revenue                                                                                                 500         500
                                                                                                           ----------  ----------
Total current liabilities                                                                                      9,188       7,826
  Warrant liability                                                                                              393         356
  Deferred rent obligation                                                                                        21          20
  Capital lease obligations-long-term portion                                                                     16          13
                                                                                                           ----------  ----------
     Total liabilities                                                                                         9,618       8,215
                                                                                                           ----------  ----------
Mandatorily redeemable Series A preferred stock, $0.001 par value; no shares authorized at March 31, 2003
and December 31, 2002; 100,000 shares issued and outstanding at March 31, 2003 and December 31, 2002;
aggregate redemption and liquidation value of $1,000 plus cumulative dividends                                 2,606       2,576
                                                                                                           ----------  ----------
Commitments and contingencies                                                                                      -           -

Stockholders' deficit:
Preferred stock, $0.001 par value; 5,000,000 shares authorized; no shares issued or outstanding                    -           -
Common stock, $0.001 par value; 800,000,000 and 200,000,000 shares authorized at March 31,
 2003 and December 31, 2002, respectively; 235,638,840 and 151,754,521 shares issued and
 outstanding as of March 31, 2003 and December 31, 2002, respectively                                            236         152
Additional paid-in capital                                                                                    99,140      93,804
Accumulated deficit                                                                                         (107,794)   (101,450)
                                                                                                           ----------  ----------
    Total stockholders' deficit                                                                               (8,418)     (7,494)
                                                                                                           ----------  ----------
                                                                                                           $   3,806   $   3,297
                                                                                                           ==========  ==========




                 See accompanying notes to financial statements.
                                      -3-






                  CALYPTE BIOMEDICAL CORPORATION AND SUBSIDIARY

                 CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
                      (IN THOUSANDS, EXCEPT PER SHARE DATA)
                                   (UNAUDITED)



                                                                                                Three Months Ended
                                                                                                    March 31,
                                                                                            ----------------------------
                                                                                                2003           2002
                                                                                            -------------- -------------
                                                                                                          

Revenues:
   Product Sales                                                                               $    784    $  1,159

Operating expenses:
   Product Costs                                                                                  1,415       1,630
   Research and development costs                                                                   314         241
   Selling, general and administrative costs (non-cash of $ 2,219
     for the three months ended March 31, 2003)                                                   4,009       1,215
                                                                                              ---------    ---------


     Total expenses                                                                               5,738       3,086
                                                                                              ---------    ---------


       Loss from operations                                                                      (4,954)     (1,927)

Interest income                                                                                       -           1
Interest expense (non-cash of $1,373 and $33  for the three
   months ended March 31, 2003 and 2002, respectively)                                           (1,516)        (47)
Gain on early extinguishments of debt                                                                 -       1,319
Other income, net (non-cash of $128 for the three months
   ended March 31, 2003                                                                             128           8
                                                                                              ---------    ---------

       Loss before income taxes                                                                  (6,342)       (646)

Income taxes                                                                                         (2)         (2)
                                                                                              ---------    ---------

       Net loss                                                                                  (6,344)       (648)

Less dividends on mandatorily redeemable Series A preferred stock                                   (30)        (30)
                                                                                               --------    ---------

Net loss attributable to common stockholders                                                 $   (6,374)   $   (678)
                                                                                               ========     ========

Net loss per share attributable to common stockholders (basic and diluted)                   $   (0.04)   $   (0.02)
                                                                                               ========     ========

Weighted average shares used to compute net loss per share attributable to common
   stockholders (basic and diluted)                                                             172,657      40,597
                                                                                               ========     ========

                                See accompanying notes to financial statements.




                                      -4-






                  CALYPTE BIOMEDICAL CORPORATION AND SUBSIDIARY

                 CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS
                                 (IN THOUSANDS)
                                   (UNAUDITED)

                                                                                               Three Months Ended
                                                                                                    March 31,
                                                                                           ----------------------------
                                                                                                2003          2002
                                                                                            ------------- --------------
                                                                                                         

Cash flows from operating activities:
Net loss                                                                                     $   (6,344)   $     (648)
Adjustments to reconcile net loss to net cash used in operating activities:
   Depreciation and amortization                                                                    134           122
   Amortization of deferred compensation                                                              -             8
   Amortization of debenture discounts and charge for beneficial conversion feature                 840            27
   Amortization of deferred offering costs                                                          184             -
   Liquidated damages due to non-registration                                                       312             -
   Non-cash loss (gain) on settlement of debt                                                        55        (1,319)
   Fair market value of common stock warrants, options and bonuses granted                        2,214            18
   Gain on repurchase of beneficial conversion feature                                             (128)            -
   Warrant liability adjustment                                                                      37             -
   Changes in operating assets and liabilities:
     Accounts receivable                                                                              8           143
     Inventory                                                                                     (308)           91
     Prepaid expenses and other current assets                                                     (130)          249
     Other assets                                                                                    20             -
     Accounts payable and accrued expenses                                                          314           125
     Deferred rent obligation                                                                         1             2
                                                                                            -----------   -----------

       Net cash used in operating activities                                                     (2,791)       (1,182)
                                                                                            -----------   -----------

Cash flows from investing activities:
   Purchase of equipment                                                                            (16)          (69)
                                                                                            -----------   -----------

       Net cash used in investing activities                                                        (16)          (69)
                                                                                            -----------   -----------

Cash flows from financing activities:
   Proceeds from sale of stock                                                                    1,661           823
   Expenses paid related to sale of stock                                                           (50)          (66)
   Proceeds from issuance of notes and debentures                                                 1,658           368
   Repayment of notes and debentures                                                               (318)          (18)
   Principal payments on capital lease obligations                                                    3           (24)
                                                                                            -----------   -----------

       Net cash provided by financing activities                                                  2,954         1,083
                                                                                            -----------   -----------

Net increase (decrease) in cash and cash equivalents                                                147          (168)

Cash and cash equivalents at beginning of period                                                    147           287
                                                                                            -----------   -----------

Cash and cash equivalents at end of period                                                    $     294     $     119
                                                                                            ===========   ===========

Supplemental disclosure of cash flow activities:
   Cash paid for interest                                                                      $      3    $        3
   Cash paid for income taxes                                                                         2             -

Supplemental disclosure of non-cash activities:
   Dividend on mandatorily redeemable Series A preferred stock                                       30            30
   Common stock grants                                                                              292           238
   Original issue discount and expense withheld from debenture proceeds                               -            57
   Conversion of notes, debenture payable and accrued interest to common stock                      635             -
   Fair market value of warrants issued in conjunction with debenture                                 -           425
   Beneficial conversion feature, net of write off upon conversion                                  827             -
   Accrued interest converted to note payable                                                        42             -


                 See accompanying notes to financial statements


                                      -5-

                  CALYPTE BIOMEDICAL CORPORATION AND SUBSIDIARY

              NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
                             MARCH 31, 2003 AND 2002
                                   (UNAUDITED)


(1)   THE COMPANY AND BASIS OF PRESENTATION

Calypte Biomedical  Corporation (the Company) is a health care company dedicated
to the development and commercialization of urine-based  diagnostic products and
services for Human Immunodeficiency  Virus Type 1 (HIV-1),  sexually transmitted
diseases and other chronic illnesses.  The Company's tests include the screening
enzyme  immunoassay  (EIA) and  supplemental  Western  Blot tests,  the only two
FDA-licensed HIV-1 antibody tests that can be used on urine samples. The Company
believes that accurate,  non-invasive  urine-based  testing  methods for HIV and
other chronic diseases make important  contributions to public health by helping
to foster an environment in which testing may be done safely, economically,  and
painlessly.

The accompanying unaudited condensed consolidated financial statements have been
prepared by the Company, pursuant to the rules and regulations of the Securities
and Exchange  Commission (SEC), and reflect all adjustments  (consisting only of
normal recurring adjustments) which, in the opinion of management, are necessary
for a fair presentation of the Company's financial position as of March 31, 2003
and the results of its  operations for the three months ended March 31, 2003 and
2002 and its cash  flows for the three  months  ended  March 31,  2003 and 2002.
Interim results are not necessarily indicative of the results to be expected for
the full year. This information should be read in conjunction with the Company's
audited  consolidated  financial  statements  for each of the years in the three
year period ended December 31, 2002 included in its Form 10-K filed with the SEC
on March 26, 2003.

Certain information in footnote  disclosures  normally included in the financial
statements prepared in accordance with accounting  principles generally accepted
in the United  States of America has been  condensed or omitted  pursuant to the
rules  and  regulations  of the SEC.  The  data  disclosed  in  these  condensed
consolidated financial statements and in the related notes is unaudited.

During  the  first  quarter of 2003, Calypte incurred a net loss of $6.3 million
and  its  accumulated  deficit  at  March  31, 2003 was $107.8 million.  For the
Company  to  successfully  implement its business plan, it must overcome certain
impediments.  Specifically,  in April of 2002, the Company announced the winding
down of its business operations because it lacked sufficient capital to continue
to successfully implement its business model.  Subsequently, in May of 2002, the
Company  announced  an  arrangement  for new funding, including a commitment for
funding  of  at  least $5 million over the next twelve months, which allowed for
Calypte  to  resume  and recommence regular business operations.  Based upon the
Company's  tenuous  financial condition, its independent auditors have issued an
opinion  indicating  that  its  recurring  losses  from  operations, its working
capital  deficit  and  its accumulated deficit raise substantial doubt about the
Company's  ability  to  continue its business operations as a going concern, and
the  Company continues to reassess its business plan and capital requirements as
a result of the wind-down and subsequent restart of its operations.  The Company
does  not  believe  that  its  currently available financing will be adequate to
sustain  operations at current levels and achieve its current business expansion
milestones  through the second quarter of 2003 unless new financing is arranged.
Although,  for  the  period May 10, 2002 through March 31, 2003, the Company has
completed  new financings in which it has received an aggregate of approximately
$8.7  million, exceeding the initial $5 million new funding commitment described
above,  the Company does not know if it will succeed in raising additional funds
through  further  offerings  of  debt  or  equity.  The  Company  must  achieve
profitability  for  its  business model to succeed.  Prior to accomplishing this
goal,  the Company believes that it will need to arrange additional financing of
at  least $10 million in the next twelve months.  There can be no assurance that
subsequent  additional  financings  will  be  made available to the Company on a
timely  basis  or  that the additional capital that the Company requires will be
available  on  acceptable terms, if at all.  The terms of a subsequent financing
may  involve a change of control and/or require stockholder approval, or require
the  Company  to  obtain  waivers  of  certain  covenants  that are contained in
existing  agreements.

The  Company is actively engaged in seeking additional financing in a variety of
venues  and  formats and it continues to impose actions designed to minimize its
operating losses.  The Company would consider strategic opportunities, including
investment  in the Company, a merger or other comparable transaction, to sustain
its  operations.  The  Company  does  not currently have any agreements in place
with  respect  to  any such strategic opportunity, and there can be no assurance
that  such  opportunity  will be available to it on acceptable terms, or at all.
If  additional  financing  is not available when required or is not available on
acceptable  terms,  or  the  Company  is  unable to arrange a suitable strategic
opportunity,  it will place the Company in significant financial jeopardy and it
may  be  unable  to  continue  its  operations  at  current  levels,  or at all.

                                      -6-


                  CALYPTE BIOMEDICAL CORPORATION AND SUBSIDIARY

              NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
                             MARCH 31, 2003 AND 2002
                                   (UNAUDITED)

(2)  SIGNIFICANT ACCOUNTING POLICIES

STOCK-BASED COMPENSATION

Statement of  Financial  Accounting  Standards  (SFAS) No. 123,  Accounting  for
Stock-Based Compensation, as amended by SFAS No. 148, Accounting for Stock-Based
Compensation - Transition  and  Disclosure,  establishes a fair-value  method of
accounting  for  stock  options  and  similar equity instruments. The fair-value
method  requires that compensation cost be measured on the value of the award at
the  grant  date,  and  recognized  over  the  service  period. SFAS No. 123, as
amended,  allows  companies  to  either  account for stock-based compensation to
employees  under  the  provisions  of  SFAS  No.  123,  as amended, or under the
provisions  of  Accounting Principles Board (APB) Opinion No. 25 and its related
interpretations.  The  Company  accounts  for  its  stock-based  compensation to
employees  in  accordance with the provisions of APB Opinion No. 25. The Company
records  deferred  compensation for the difference, if any, between the exercise
price  and  the  deemed  fair  market  value  of  the common stock for financial
reporting  purposes  of  stock  options  granted  to employees. The compensation
expense  related  to  such  grants  is  amortized over the vesting period of the
related  stock  options  on  a  straight-line basis. The Company has adopted the
disclosure  requirements  of  SFAS  No.  148.

The  Company  accounts  for  equity   instruments  issued  to  non-employees  in
accordance with the provisions of SFAS No. 123, as amended,  and Emerging Issues
Task Force (EITF) Issue No. 96-18  Accounting  for Equity  Instruments  that Are
Issued to Other than  Employees for Acquiring,  or in Conjunction  with Selling,
Goods or Services.

The  following table illustrates the effect on net income and earnings per share
if  the fair value based method had been applied to all outstanding and unvested
employee  awards  in  each  period  (in  thousands):



                                                                                Three months ended
                                                                                     March 31,
                                                                              2003              2002
                                                                              ----              ----

                                                                                          

Net loss attributable to common stockholders, as reported                   $  (6,374)      $     (678)
Add: Stock-based employee compensation expense included in reported
   net loss, net of related tax effects                                            84                9
Less: Stock-based employee compensation expense determined under fair
   value based method for all awards, net of related tax effects                 (104)            (229)
                                                                            ---------        ----------
Pro forma net loss attributable to common stockholders                      $  (6,394)      $     (898)
                                                                            ---------       ----------

Basin and diluted net loss per share attributable to common stockholders:
As reported                                                                 $  (0.04)       $   (0.02)
Pro forma                                                                   $  (0.04)       $   (0.02)



NET LOSS PER SHARE ATTRIBUTABLE TO COMMON STOCKHOLDERS

Basic  net  loss  per  share  attributable to common stockholders is computed by
dividing  net  loss  attributable to common stockholders by the weighted average
number of shares of common stock outstanding attributable to common stockholders
during  the  period  presented.  The  computation  of  diluted loss per share is
similar  to  the  computation  of  basic  loss  per share attributable to common
stockholders,  except  that  the  denominator  is  increased  for  the  assumed
conversion  of convertible securities and the exercise of dilutive options using
the  treasury  stock method. The weighted average shares used in computing basic
and  diluted  net  loss  per  share  attributable  to  common  stockholders  are
equivalent  for  the  periods presented. Options and warrants for 34,341,879 and
30,424,479  shares  at March 31, 2003 and 2002, respectively, were excluded from
the  computation  of loss per share attributable to common stockholders as their
effect  was  anti-dilutive.


                                      -7-

                  CALYPTE BIOMEDICAL CORPORATION AND SUBSIDIARY

              NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
                             MARCH 31, 2003 AND 2002
                                   (UNAUDITED)
USE OF ESTIMATES

The preparation of financial statements in accordance with accounting principles
generally  accepted in the United States of America requires  management to make
estimates  and  assumptions  that affect the amounts  reported in the  Company's
financial  statements  and  accompanying  notes.  Actual  results  could  differ
materially from those estimates.

ADOPTION OF NEW ACCOUNTING PRONOUNCEMENT

The  Company  adopted  Statement  of  Financial  Accounting  Standards  No. 145,
"Recission of FASB Statements No. 4, 44, and 64, Amendment of FASB Statement No.
13,  and  Technical Corrections," during the first quarter of 2003. Accordingly,
certain reclassifications have been made in the Condensed Consolidated Statement
of  Operations  for  2002  to  conform  to  Statement  No.  145.

(3)      INVENTORIES

Inventory  is stated at the lower of cost or market  and the cost is  determined
using  the  first-in,  first-out  method.  Inventory  as of March  31,  2003 and
December 31, 2002 consisted of the following (in thousands):



                                                                                     2003             2002
                                                                                     ----             ----
                                                                                                

Raw materials                                                                     $    239         $    197
Work-in-process                                                                        659              443
Finished goods (including consigned inventory of $66 and $101 for the periods
  ended March 31, 2003 and December 31, 2002, respectively                             373              323
                                                                                 ---------          -------

Total Inventory                                                                  $   1,271          $   963
                                                                                 =========          =======

(4)      ACCOUNTS PAYABLE AND ACCRUED EXPENSES

Accounts payable and accrued expenses as of March 31, 2003 and December 31, 2002
consisted of the following (in thousands):

                                                                                     2003             2002
                                                                                     ----             ----

Trade accounts payable                                                           $   3,356        $   3,462
Accrued royalty payments                                                               464              338
Accrued salary and vacation pay                                                        323              240
Accrued interest (including non-cash liquidated damages of $ 708 and $546
  at March 2003 and December 31 2002, respectively)                                    981              789
Other                                                                                  160              316
                                                                                ----------       ----------

Total accounts payable and accrued expenses                                       $  5,284         $  5,145
                                                                                  ========         ========
(5)      NOTES AND DEBENTURES PAYABLE

The table below summarizes  notes and debentures  payable activity for the three
months ended March 31, 2003 (in thousands).

                                                                                                   Discount       Net
                                   Balance                                            Balance         At      Balance At
                                  12/31/02    Additions     Payments    Conversions    3/31/03     3/31/03      3/31/03
                                  --------    ---------     --------    -----------    -------     -------      -------
8% Convertible Notes              $  2,985      $     -   $        -      $  (100)      $ 2,885    $ (1,637)     $ 1,248
8.5% Note - LHC Corporation            393           42         (18)            -           417           -          417
10% Convertible Note - BNC Bach        126            -           -             -           126           -          126
10% Convertible Debentures -
   Mercator                              -        1,950           -             -         1,950        (896)       1,054
12% Convertible Debenture -
   Bristol Investment Fund,            465            -           -          (364)          101         (56)          45
   Ltd.
12% Convertible Debenture -
   Mercator                            850            -        (300)              -         550         (36)         514
                                  --------    ----------     ------     -----------    --------    ---------    --------

Total                             $  4,819     $  1,992     $  (318)      $  (464)     $  6,029    $ (2,625)    $  3,404
                                  ========     ========     ========      =======      ==========  ========     ========



                                      -8-


                  CALYPTE BIOMEDICAL CORPORATION AND SUBSIDIARY

              NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
                             MARCH 31, 2003 AND 2002
                                   (UNAUDITED)

8% Convertible Notes - Various Holders
During the second and third quarters of 2002, the Company  issued a series of 8%
convertible notes in the aggregate principal amount of $3.125 million. The notes
each have a 24 month  term and are  convertible  into  shares  of the  Company's
common  stock at the lesser of $.10 or 70% of the  average  of the three  lowest
trades during the 30 day period preceding  conversion and are convertible at any
time prior to  maturity.  On February  3, 2003,  Excalibur  Limited  Partnership
converted  $100,000  face value plus accrued  interest and $28,000 of liquidated
damages  into  4,113,640  shares of the  Company's  common stock at a conversion
price of $0.0338 per share.

At March 31, 2003,  the Company has not yet filed a  registration  statement for
the shares underlying the notes and, consequently, the holders of the notes have
the  right  to  demand  immediate  repayment  of the notes. Although none of the
holders  has  demanded  repayment,  these  notes  are  classified  as  current
liabilities  as  of  March  31,  2003  and December 31, 2002. As a result of the
non-registration,  the  Company  is  required  to  pay, in cash or stock, at the
subscribers'  option,  liquidated  damages  in an amount equal to 2% of the note
principal per month. As of March 31, 2003, the Company has accrued approximately
$556,000  as  liquidated  damages  attributable  to  these  notes,  of  which
approximately  $188,000  was  recorded  as  non-cash interest expense during the
first  quarter  of  2003.

8.5% Note - LHC Corporation
On February 28, 2003, the Company and LHC Corporation executed a new note in the
amount  of  $435,000,  representing  the unpaid principal and accrued but unpaid
interest  on the December 2001 note. The terms of the February 2003 note require
monthly  principal payments of $17,500 plus interest from March 2003 through May
2003, increasing to $35,000 monthly, plus interest, thereafter, unless and until
the  Company  secures at least $5,000,000 in additional financing, at which time
the  remaining  outstanding balance is due and payable. The Company renegotiated
the  terms  of  the  December  2001 note due to a lack of available funds and to
avoid  a  default.

10% Convertible Note - BNC Bach
On January 15, 2003, the Company and BNC Bach agreed to extend the maturity date
of the 10%  Convertible  Note to March 17, 2003. On March 17, 2003,  the Company
and BNC Bach agreed to further  extend the  maturity  date to April 4, 2003.  No
accounting  adjustments were required as a result of the extension of the note's
maturity.  See Note 7, Subsequent  Events,  regarding a further extension of the
maturity of this note.

10%  Convertible  Debentures-Mercator  Focus Fund,  Mercator  Momentum  Fund and
Mercator  Momentum  Fund III On January 13,  2003,  when the market price of the
Company's  stock was $0.065,  the Company  issued a $1,000,000  10%  convertible
debenture to Mercator Focus Fund,  L.P.  ("Focus Fund") pursuant to Regulation S
and received net proceeds of $818,000 net of fees and expenses.  $308,000 of the
proceeds was used to repay the $300,000  October 2002 12% convertible  debenture
and accrued  interest issued to Mercator  Momentum Fund L.P.  ("Mercator").  The
debenture is convertible  into the Company's  common stock at 80% of the average
of the three lowest trades for the 20 days  preceding  conversion,  but not more
than $0.10.  Under the terms of the debenture  agreement,  the Company agreed to
file a  registration  statement  for the shares of common stock  underlying  the
debenture  within  30 days of the  closing  date  and  use its  reasonable  best
commercial efforts to cause the registration  statement to be declared effective
within 120 days of the closing date. On February 14, 2003, when the price of the
Company's  common  stock was $0.067,  the Company and Focus Fund agreed to waive
all penalties  relating to  non-registration  of the underlying  common stock as
required in the Registration  Rights Agreement until April 4, 2003. On March 31,
2003,  when the market price of Calypte's  common stock was $0.0295,  Focus Fund
granted the Company an additional 30-day extension,  until May 5, 2003, in which
to register the shares of common stock  underlying this financing.  In the event
the Company does not complete the registration within the specified time period,
Focus Fund may elect to accelerate the debenture, together with accrued interest
and any other amounts owing in respect thereof,  and require immediate repayment
in cash or shares of the Company's common stock. See Note 7, Subsequent  Events,
regarding a further waiver of the registration requirements for this debenture.

On January 29, 2003,  when the market price of the  Company's  stock was $0.056,
the Company issued a $450,000 10% convertible  debenture to Mercator pursuant to
Regulation S and received  net proceeds of $440,000,  net of fees and  expenses.
The  debenture  is  convertible  into the  Company's  common stock at 80% of the
average of the three lowest trades for the 20 days preceding conversion, but not
more than $0.10. Under the terms of the debenture agreement,  the Company agreed
to file a registration  statement for the shares of common stock  underlying the


                                      -9-


                  CALYPTE BIOMEDICAL CORPORATION AND SUBSIDIARY

              NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
                             MARCH 31, 2003 AND 2002
                                   (UNAUDITED)


debenture  within  30 days of the  closing  date  and  use its  reasonable  best
commercial efforts to cause the registration  statement to be declared effective
within 120 days of the closing date. On February 14, 2003, when the price of the
Company's common stock was $0.067,  the Company and Mercator agreed to waive all
penalties  relating  to  non-registration  of the  underlying  common  stock  as
required in the Registration  Rights Agreement until April 4, 2003. On March 31,
2003,  when the market  price of Calypte's  common  stock was $0.0295,  Mercator
granted  the Company an  additional  extension,  until May 5, 2003,  in which to
register the shares of common stock underlying this financing.  In the event the
Company does not complete the  registration  within the  specified  time period,
Mercator may elect to accelerate the debenture,  together with accrued  interest
and any other amounts owing in respect thereof,  and require immediate repayment
in cash or shares of our common stock. See Note 7, Subsequent Events,  regarding
a further waiver of the registration requirements for this debenture.

On March 14, 2003, when the market price of the Company's stock was $0.050,  the
Company issued a $400,000 10% convertible debenture to Focus Fund and a $100,000
10% convertible  debenture to Mercator  Momentum Fund III, L.P.  ("Momentum Fund
III"),  each pursuant to  Regulation  S, and received  aggregate net proceeds of
$400,000,  net of fees and  expenses.  Each  debenture is  convertible  into the
Company's  common stock at 65% of the average of the three lowest trades for the
20 days preceding  conversion,  but not more than $0.07.  Under the terms of the
debenture  agreements,  Calypte agreed to file a registration  statement for the
shares of common stock  underlying the debentures  within 30 days of the closing
date and use its reasonable  best commercial  efforts to cause the  registration
statement to be declared  effective  within 120 days of the closing date. In the
event the Company does not complete the  registration  within the specified time
period, Focus Fund and Momentum Fund III may elect to accelerate the debentures,
together with accrued  interest and any other amounts owing in respect  thereof,
and require immediate repayment in cash or shares of our common stock.

The Company  determined  that each of the above 10%  convertible  debentures was
issued with a beneficial  conversion feature. The intrinsic value was calculated
at the date of issue  as the  difference  between  the  conversion  price of the
debenture  and the fair  value of the  Company's  common  stock  into  which the
debenture was convertible,  multiplied by the number of common shares into which
the debenture was convertible,  limited by the face amount of the debenture. The
Company has treated the beneficial conversion features as a discount to the face
amount of the debentures and is amortizing  them over the term of the respective
debentures.  In aggregate,  the Company has recorded  approximately  $165,000 of
such  amortization as non-cash  interest expense for the quarter ended March 31,
2003.  Upon conversion of all or a portion of the debenture,  the  proportionate
share of unamortized discount is charged to interest expense.

12% Convertible Debentures - Bristol Investment Fund Ltd.
On February 18, 2003,  and subsequent to the February 14, 2003 effective date of
the  registration  statement  on  Form  S-2/A (No. 6) which registered shares of
common stock underlying the 12% Convertible Debentures in the amount of $525,000
that  we  issued  to Bristol Investment Fund, Ltd. ("Bristol"), Bristol provided
notice  to  the  Company  that  Bristol  intended  to  convert  a portion of its
debentures and that the number of shares underlying its debenture was subject to
adjustment  for  anti-dilution  pursuant  to  the terms of the Security Purchase
Agreement  with  the  Company.  As a consequence of that notice, the Company and
Bristol  signed  a letter agreement on February 28, 2003 (the "February 28, 2003
Letter  Agreement")  providing  that  the  Company  could  be  required to issue
additional  shares  to  Bristol  based  upon an adjusted conversion rate. On the
basis  of the February 28, 2003 Letter Agreement, Bristol converted an aggregate
of  $365,000  face  value,  plus  accrued  interest  and  $122,000 of liquidated
damages,  into  19,792,211 shares of the Company's common stock during the first
quarter  of  2003.  See  Note  7,  Subsequent  Events,  regarding  an additional
conversion  of  these  debentures.

The number of  additional  shares  that the  Company  could be required to issue
pursuant to the  February 28, 2003 Letter  Agreement is based on the  difference
between  (i) the  number of  shares  that  would  have  been  issued  based on a
conversion price of the lesser of (a) $0.05 per share and (b) 60% of the average
of the 3 lowest closing bid prices for the 22 trading days preceding  conversion
(the "60% Conversion  Price"),  and (ii) the number of shares  previously issued
pursuant to the conversion  notice (based on a conversion  price of 70% of the 3
lowest  trades  for  the 20  days  preceding  conversion  (the  "70%  Conversion
Price")).  In accordance with the Registration Rights Agreement,  the Company is


                                      -10-

                  CALYPTE BIOMEDICAL CORPORATION AND SUBSIDIARY

              NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
                             MARCH 31, 2003 AND 2002
                                   (UNAUDITED)

required  to  file a  post-effective  amendment  to the  Company's  Registration
Statement  on Form S-2/A  (No.6) to reflect the adjusted  conversion  rate.  The
Company had included additional shares in the Form S-2 registration statement to
cover such a  contingency.  In  accordance  with the  February  28,  2003 Letter
Agreement,  the Company is required to issue the following  additional shares to
Bristol: (1) an additional 0.796 million shares pursuant to Bristol's conversion
on February  18, 2003 of $150,000  principal  amount of the  debentures;  (2) an
additional  0.212 million shares  pursuant to Bristol's  conversion on March 10,
2003 of $63,464  principal  amount of  debentures,  and (3) an additional  0.290
million  shares  pursuant to Bristol's  conversion  on March 26, 2003 of $55,000
principal  amount of  debentures,  for a total of an  additional  1.298  million
shares.  The 70% Conversion  Price used to determine the number of shares issued
pursuant  to  Bristol's  conversion  notice on March 31,  2003  resulted  in the
issuance of a greater  number of shares than would have resulted from the use of
the 60% Conversion Price.  Specifically,  the Company issued shares in excess of
the 60% Conversion  Price amount of 1.880 million  shares  pursuant to Bristol's
conversion  on March 31, 2003 of $96,566  principal  amount of  debentures.  The
excess shares issued pursuant to the March 31, 2003 conversion  exceeds by 0.582
million  shares the  additional  shares  required  to be issued  pursuant to the
February 18, March 10, and March 26, 2003 conversions.  Accordingly, the Company
does not currently plan to file a  post-effective  amendment to its Registration
Statement or register any additional shares for these debentures.

In accordance with EITF 00-19,  "Accounting for Derivative Financial Instruments
Indexed To, and Potentially Settled In, a Company's Own Stock," and the terms of
the Class A and Class B warrants  issued to Bristol in conjunction  with the 12%
debentures in February 2002, the fair value of the warrants was accounted for as
a liability,  with an  offsetting  discount to the  carrying  value of the first
debenture,  which was being amortized as interest expense over the 24 month term
of the debenture.  The warrant  liability will be  reclassified to equity at the
time the Company has registered  sufficient  shares to allow for the exercise of
the warrants.  Until that time,  it is marked to market  through  earnings.  The
Company recorded approximately $37,000 of non-cash interest expense attributable
to the  re-measurement  of the warrant liability for the quarter ended March 31,
2003. The Company also  recognized  approximately  $35,000 in non-cash  interest
expense related to the  amortization  of the debenture  discount for the quarter
ended March 31, 2003.  The Company  recorded an  additional  $23,000 of non-cash
interest  expense  during the  quarter  ended  March 31,  2003  attributable  to
liquidated  damages for the  failure to timely  register  the shares  underlying
these debentures prior to the effective date of the registration statement.

12% Convertible Debentures - Mercator Momentum Fund
On September 12, 2002, the Company issued a $550,000 12%  convertible  debenture
to Mercator. The debenture is convertible into the Company's common stock at 85%
of the average of the three lowest trades for the 20 days preceding  conversion,
but not less than $0.05.  This  debenture is the first tranche of a $2.0 million
commitment  that will become  available upon the filing and  effectiveness  of a
registration statement.  Under the terms of the debenture agreement, the Company
agreed  to  file a  registration  statement  for  the  shares  of  common  stock
underlying  the  debenture  within  45  days  of the  closing  date  and use its
reasonable best  commercial  efforts to cause the  registration  statement to be
declared  effective  within 135 days of the closing  date. At December 31, 2002,
the  Company had  obtained a waiver of the  non-registration  provisions  of the
agreement through February 18, 2003. On February 14, 2003, when the price of the
Company's common stock was $0.067,  the Company and Mercator agreed to waive all
penalties  relating  to  non-registration  of the  underlying  common  stock  as
required in the various  Registration  Rights Agreements until April 4, 2003. On
March 31, 2003,  when the market price of Calypte common stock was $0.0295,  the
Company  amended the conversion  price to eliminate a conversion  price floor of
$0.05  per  share in  return  for an  extension  until  May 5,  2003 in which to
register  the  shares  of  common  stock   underlying  this  and  certain  other
Mercator-group  financings.  In the  event the  Company  does not  complete  the
registration within the specified time period,  Mercator may elect to accelerate
the  debenture,  together  with accrued  interest and any other amounts owing in
respect thereof, and require immediate repayment in cash or shares of its common
stock.  See  Note  7,  Subsequent  Events,  regarding  a  further  waiver of the
registration  requirements  for  this  debenture.

On October 22, 2002, the Company issued a $300,000 12% convertible  debenture to
Mercator.  The debenture and related accrued  interest was repaid on January 13,
2003 in conjunction with the issuance of a $1,000,000 10% convertible  debenture
to Focus Fund. Upon the repayment, the Company charged the remaining unamortized
amount  of the  beneficial  conversion  feature  of  approximately  $271,000  to
non-cash interest expense.  Additionally, the repayment of this note resulted in
the Company  effectively  repurchasing  a portion of the  beneficial  conversion
feature.  In  situations  in  which a debt  instrument  containing  an  embedded
beneficial conversion feature is extinguished prior to conversion,  a portion of
the debt payment is allocated to the  beneficial  conversion  feature  using the

                                      -11-


                  CALYPTE BIOMEDICAL CORPORATION AND SUBSIDIARY

              NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
                             MARCH 31, 2003 AND 2002
                                   (UNAUDITED)

intrinsic  value of that  conversion  feature at the  extinguishment  date.  Any
residual amount is then allocated to the  convertible  security with the Company
recognizing a gain or loss to remove the remaining  liability.  The repayment of
the debenture and the repurchase of the beneficial  conversion  feature resulted
in a non-cash  gain of  $128,000,  recorded  as other  income,  during the first
quarter of 2003.

The Company determined that the Bristol and Mercator 12% convertible  debentures
were each issued with a beneficial  conversion feature.  The intrinsic value was
calculated at the date of issue as the difference  between the conversion  price
of the debenture and the fair value of the Company's common stock into which the
debenture was convertible,  multiplied by the number of common shares into which
the debenture was convertible,  limited by the face amount of the debenture. The
Company has treated the beneficial  conversion feature as a discount to the face
amount of the debenture and amortized it over the  respective  term. The Company
recorded approximately $54,000 of such amortization as non-cash interest expense
for the quarter ended March 31, 2003. Upon conversion of all or a portion of the
debenture,  the proportionate  share of unamortized  discount will be charged to
interest expense.

(6) STOCKHOLDERS' DEFICIT

Increase in Authorized Shares

On February 14, 2003, the Company filed an Amendment to its Amended and Restated
Certificate  of  Incorporation  with the  Secretary  of State of  Delaware  that
increased  the number of shares of  authorized  common stock from 200 million to
800  million.  The  Company's   stockholders   approved  the  Amendment  to  the
Certificate  of  Incorporation  at a Special  Meeting  of  Stockholders  held on
February 14, 2003. A principal purpose for authorizing the additional shares was
for  issuance  pursuant  to  arrangements  to finance the  Company's  continuing
operations.

Private Placement

Under the terms of the August  2002  private  placement  agreement  in which the
Company  issued  8,000,000  shares of its common stock and received  proceeds of
$400,000,  it agreed to file a  registration  statement for the shares of common
stock  and  use its reasonable best commercial efforts to cause the registration
statement to be declared effective within ninety days of the closing date. Under
the  terms  of  the  agreement,  the  Company is require to issue, as liquidated
damages,  250,000  shares  of  its  common stock for each ten days of delay past
November  27,  2002. At March 31, 2003, the Company had not filed a registration
statement  for  this  private  placement.  Accordingly,  at  March 31, 2003, the
Company  has  recorded  an  aggregate  of  $152,000 in non-cash interest expense
representing  the  value  of  3,000,000  shares  issuable  as liquidated damages
through  March  31, 2003. See Note 7, Subsequent Events, regarding shares issued
as  liquidated  damages  pursuant  to  this  agreement.

Warrants, options and stock grants

During 2002, the Company issued warrants and options to purchase an aggregate of
47,500,000  shares of its common  stock under  agreements  with  consultants  to
perform legal,  financial,  business advisory and other services associated with
the restart of its operations,  including  introductions  and arrangements  with
respect to potential domestic and international product distribution agreements,
assistance with international product trials and regulatory  qualifications.  At
December  31,  2002,  the  consultants  had  exercised  options and  warrants to
purchase all but  1,000,000  of the  warrants  granted.  In February  2003,  the
Company received $50,000 from the exercise of the remaining  warrants and issued
1,000,000 shares of its common stock.

                                      -12-

                  CALYPTE BIOMEDICAL CORPORATION AND SUBSIDIARY

              NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
                             MARCH 31, 2003 AND 2002
                                   (UNAUDITED)

During the first  quarter of 2003,  the Company  entered into new  contracts and
extended  certain other  contracts with existing  consultants to perform various
legal, business advisory,  marketing and distribution functions similar to those
entered into during 2002. The Company  issued  warrants to purchase an aggregate
of 60,240,000 shares of its common stock as compensation for these services.  At
March 31, 2003, the  consultants had exercised  warrants to purchase  43,240,000
shares of the  Company's  common stock and the Company had received  proceeds of
$1,481,000.  The warrants summarized below were non-forfeitable and fully-vested
at the date of issuance and were valued using the  Black-Scholes  option pricing
model using the assumptions noted below.



                                                                                         
Date of Issue                           2/14/03     2/14/03      3/14/03      3/24/03      3/25/03      3/27/03
Number of shares                       19,000,000   3,000,000      240,000   20,000,000    10,000,000   8,000,000
Exercise price per share                    $0.05       $0.05       $ .025       $ .025        $ .025      $ .025
Market price of Calypte's stock on         $0.067      $0.067       $0.050       $0.047        $0.045      $0.044
   date of issuance
Black Scholes valuation:                   $0.026     $0.0400      $0.0486      $0.0243       $0.0252     $0.0213
   Assumptions:
   Expected dividend yield                   0.0%        0.0%         0.0%         0.0%          0.0%        0.0%
   Risk free rate of return                 1.19%       1.30%        1.30%        1.19%         1.20%       1.19%
   Contractual life                      3 months    9 months    12 months     3 months      6 months    3 months
   Volatility                              142.3%      163.6%       411.5%       138.4%        136.8%     131.35%
Consulting Expense                       $496,000    $119,000      $11,670     $485,963      $251,588    $170,611
Number of shares exercised through     16,000,000           -      240,000   20,000,000     3,000,000   4,000,000
   March 31, 2003
Proceeds received upon exercise          $800,000           -       $6,000     $500,000       $75,000    $100,000



Pursuant to the requirements of FASB Statement No. 123 and EITFs 96-18 and 00-18
related  to  accounting  for  stock-based  compensation,  the Company recognized
consulting  expense  attributable  to these warrants at the date of grant and in
the  amounts  indicated.

In  addition  to the warrants described above, during the first quarter of 2003,
the  Company  also  issued stock grants for approximately 13.3 million shares of
its  common  stock  to  certain  consultants  and  other  vendors  under various
agreements  and recorded non-cash selling, general and administrative expense of
$635,000  based  on  the  market  price  of  the  stock  on  the  date of grant.

(7)    SUBSEQUENT EVENTS

Conversion of remaining Bristol 12% Convertible Debenture

On April 2, 2003, Bristol Investment Fund, Ltd. converted the remaining $100,000
principal,  plus accrued  interest,  12 % Convertible  Debenture  into 6,328,611
shares of the Company's  common stock.  Pursuant to the February 28, 2003 Letter
Agreement,  the 70%  Conversion  Price  used to  determine  the number of shares
issued  pursuant to Bristol's  April 2, 2003  conversion  notice resulted in the
issuance of approximately  590,000 shares more than would have resulted from the
use of the 60% Conversion Price.

Extension of Maturity of 10% Convertible Note

On April 2, 2003, the Company and BNC Bach agreed to extend the maturity date of
the 10% Convertible  Note to May 5, 2003. On April 30, 2003, the Company and BNC
Bach amended the  conversion  price to eliminate a conversion  price  ceiling of
$0.05 per share and to increase the discount  applicable to the conversion price
from 40% to 50%. In return for this  modification of the conversion  price,  BNC
Bach agreed to extend the maturity of the note until May 10, 2004.

Extension of Waiver of Non-Registration Penalties

On April 11, 2003, when the market price of Calypte's  common stock was $0.0245,
the Company  received an  extension  until May 5, 2003 in which to register  the
shares of common stock  underlying  the  aggregate of $500,000 face value of 10%
Convertible  Debentures  issued to Focus Fund and  Momentum  Fund III. On May 1,
2003, when the market price of Calypte's  common stock was $0.0237,  the Company
received a further  extension until June 16, 2003 to file and until September 2,
2003 to achieve  effectiveness of a registration  statement including the shares
underlying  all of the Mercator,  Focus Fund and Momentum  Fund III  convertible
debentures and warrant.

Issuance of shares for liquidated damages

On April 1, 2003, when the price of the Company's common stock was $0.0283,  the
Company issued 3,000,000 shares of its common stock in settlement of accumulated
liquidated  damages  through  March 27, 2003 pursuant to the terms of the August
2002 private placement agreement. The Company has still not filed a registration
statement  for  these  shares  and  liquidated  damages  continue  to  accrue.

                                      -13-


                  CALYPTE BIOMEDICAL CORPORATION AND SUBSIDIARY

              NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
                             MARCH 31, 2003 AND 2002
                                   (UNAUDITED)

Additional Financing

On April 29,  2003,  when the market  price for the  Company's  common stock was
$0.0275, the Company issued a $300,000 12% convertible debenture to Mercator and
received net proceeds of $245,000,  net of fees and  expenses.  The debenture is
convertible  into the Company's  common stock at 70% of the average of the three
lowest  trades for the 20 days  preceding  conversion,  but not more than $0.04.
Under  the  terms of the  debenture  agreement,  the  Company  agreed  to file a
registration  statement for the shares of common stock  underlying the debenture
within  30 days of the  closing  date  and use its  reasonable  best  commercial
efforts to cause the registration  statement to be declared effective within 120
days of the closing  date.  On May 1, 2003,  when the market  price of Calypte's
common  stock  was  $0.0237, the Company received a further extension until June
16,  2003  to  file  and  until  September 2, 2003 to achieve effectiveness of a
registration  statement  including  the  shares  underlying  this debenture. The
Company  has  not  yet  filed a registration statement for the shares underlying
this  financing.

Issuance of Additional Shares for Consulting Services

During April 2003, the Company  entered into new contracts and extended  certain
other  contracts with existing  consultants  to perform  various  services.  The
Company  issued  warrants to purchase an aggregate  of  9,000,000  shares of its
common stock as  compensation  for these  services.  As of April 30,  2003,  the
consultants had exercised warrants to purchase 4,000,000 shares of the Company's
common  stock and the Company had received  proceeds of  $100,000.  The warrants
were non-forfeitable and fully-vested.

In  addition  to  the  warrants  described above, during April 2003, the Company
issued  stock  grants for approximately 31 million shares of its common stock to
certain  consultants  under  various  agreements  and recorded non-cash selling,
general and administrative expense of approximately $750,000 based on the market
value  of  the  stock  on  the date granted. Also during April 2003, the Company
issued  approximately  5  million  shares of its common stock to certain service
providers  agreeing  to  settle  outstanding  balances  in  stock.

Legal Proceedings

On  April  30,  2003,  the Company and its former counsel, Heller Ehrman White &
McAuliffe,LLP  ("Heller") reached a settlement agreement whereby the Company has
agreed to pay a total of $463,000 to settle Heller's claim for unpaid legal fees
and expenses in the amount of $546,132 plus $93,312 in interest, after which the
suit  will  be  dismissed.

Under  the  terms of the settlement, the Company must pay Heller $50,000 by June
15, 2003.  Beginning with the month of May 2003 and thereafter, the Company must
also  make  monthly  payments  of $20,000 plus a percentage of the Company's net
financings  (the "Subsequent Payments").  The Subsequent Payments are due on the
16th of the following month, with the first payment due on June 16, 2003.  There
are  certain  exceptions  that  may  delay  the  Subsequent Payments for up to 3
months, but should the Company default on the terms of the settlement agreement,
Heller  may  file a stipulated judgment for the unpaid remainder of the $463,000
settlement  balance.  A  stipulated judgment may permit Heller to obtain custody
of  some  of the Company's California property, which would, in turn, materially
impair  the Company's business.  As a part of the settlement, the Company waived
all  of its defenses to Heller's claims, as well as its counterclaims, should it
default  on  this  payment  plan.
                                      -14-



ITEM 2.
                      MANAGEMENT'S DISCUSSION AND ANALYSIS
                OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

Information  we provide in this Form 10-Q or statements  made by our  directors,
officers or employees may  constitute  "forward-looking"  statements  and may be
subject to numerous risks and  uncertainties.  Any statements  made in this Form
10-Q,  including any statements  incorporated herein by reference,  that are not
statements of historical fact are forward-looking statements (including, but not
limited to, statements  concerning the  characteristics and growth of our market
and customers,  our objectives and plans for future  operations and products and
our liquidity and capital resources).  Such forward-looking statements are based
on current expectations and are subject to uncertainties and other factors which
may  involve  known and  unknown  risks  that  could  cause  actual  results  of
operations  to differ  materially  from those  projected  or  implied.  Further,
certain  forward-looking  statements  are based upon  assumptions  about  future
events which may not prove to be accurate.  Risks and uncertainties  inherent in
forward looking statements include, but are not limited to:

     o    our ability to obtain additional financing that will be necessary to
          fund our continuing operations;
     o    fluctuations in our operating results;
     o    announcements of technological innovations or new products which we or
          our competitors make;
     o    FDA and international regulatory actions;
     o    availability of reimbursement for use of our products from private
          health insurers, governmental health administration authorities and
          other third-party payors;
     o    developments with respect to patents or proprietary rights;
     o    public concern as to the safety of products that we or others develop
          and public concern regarding HIV and AIDS;
     o    changes in health care policy in the United States or abroad;
     o    changes in stock market analysts' recommendations regarding Calypte,
          other medical products companies or the medical product industry
          generally;
     o    changes in domestic or international conditions beyond our control
          that may disrupt our or our customers' or distributors' ability to
          meet contractual obligations;
     o    fluctuations in market demand for and supply of our products; and
     o    price and volume fluctuations in the stock market at large which do
          not relate to our operating performance.

The forward-looking  information set forth in this Quarterly Report on Form 10-Q
is as of May 9, 2003, and Calypte undertakes no duty to update this information.
Should  events occur  subsequent to May 5, 2003 that make it necessary to update
the  forward-looking  information  contained  in this  Form  10-Q,  the  updated
forward-looking  information will be filed with the SEC in a Quarterly Report on
Form 10-Q or as an earnings  release  included as an exhibit to a Form 8-K, each
of which will be available at the SEC's website at www.sec.gov or our website at
www.calypte.com.  More  information  about  potential  factors that could affect
Calypte's  business and  financial  results is included in the section  entitled
"Risk Factors" beginning on page 33 of this Form 10-Q.

                                    OVERVIEW

Calypte's  efforts are currently focused on expanding the sales and marketing of
its HIV-1  urine-based and serum-based  diagnostic  tests and on improving those
products and their related manufacturing processes. Additionally, we continue to
develop  a  urine-based  HIV  screening  test  in a  rapid-test  format  and are
investigating  potential urine-based diagnostic tests for other diseases.  Since
1998,  following FDA approval for both the screening and supplemental  tests, we
have been  marketing  and selling in the U.S.  the only  available  FDA-approved
urine-based HIV test method. We have also received  regulatory  approval to sell
our  urine-based  screening  test in the Peoples'  Republic of China,  Malaysia,
Indonesia  and  the  Republic  of  South  Africa.   In   conjunction   with  our
distributors,  we are actively working to obtain requisite  regulatory approvals
to expand the distribution of our products in selected additional  international
markets.  There can be no assurance that we will achieve or sustain  significant
revenues from sales of the HIV-1 urine screening assay or the supplemental test,
or from other new products we develop or introduce.


                                      -15-


                 CALYPTE BIOMEDICAL CORPORATION AND SUBSIDIARY

During the first quarter of 2002, our financial  condition and cash availability
deteriorated significantly,  to the point that by early April 2002 we determined
that we would need to curtail our  operations and possibly  consider  filing for
bankruptcy  protection.  We announced  that the situation had reached a critical
point  in  mid-April  2002,  at which  time  management  began  the  process  of
furloughing  employees and winding down our operations,  with complete cessation
of  operations  a likely  possibility.  In early May 2002,  however,  before the
wind-down  process was completed,  we received  commitments  for what management
deemed to be sufficient  additional  financing to resume our  operations  and we
stopped the wind-down.  In conjunction  with the new financing  commitment,  our
Board of Directors  appointed a new  chairman.  At present,  we have returned to
pre-wind-down  staffing  levels  and  have  resumed  operations  at  both of our
manufacturing  facilities.  We continue to reassess our current and  longer-term
business plans and objectives. During the last three quarters of 2002 and in the
first quarter of 2003, we incurred certain costs and  inefficiencies  associated
with the restart of our operations and inadequate working capital and we believe
that  similar  situations  may continue  into  mid-2003 as we  re-establish  our
manufacturing efficiencies and continue to seek additional financing.

We  continue  to evaluate the impact of the announcement and commencement of the
wind-down  of  our  business on our revenues and customer base. Our revenues for
2002  were  approximately 46% below those of the previous year, and revenues for
the  first  quarter  of  2003 were 32% below those of the first quarter of 2002,
primarily  as a result of the wind-down and restart. We can provide no assurance
that  the  announcement  of  the  wind-down  and  the  subsequent restart of our
operations have not negatively impacted either our revenues or our customer base
for  the  long  term.  Although  we  continue  to reassess our business plan and
capital  requirements as a result of the wind-down and subsequent restart of our
operations,  we  do  not  believe that our currently available financing will be
able  to sustain operations at current levels through the second quarter of 2003
unless  new financing is arranged. There can be no assurance that the additional
capital  that  we  require  will  be  available on acceptable terms, on a timely
basis,  or  at  all.  In  the absence of such additional capital, we do not have
sufficient  capital to sustain our operations through the second quarter of 2003
and our business will be placed in significant financial jeopardy. Additionally,
there  can be no assurance that our products will be successfully commercialized
or  that  we will achieve significant product revenues. Further, there can be no
assurance  that  we  will  achieve  or  sustain  profitability  in  the  future.

Due to the wind-down and restart of our  operations in 2002, we were not able to
sustain or improve  upon the revenue base that was in place in the final half of
2001 and that had resulted in a positive  gross  margin for that period.  We are
currently attempting to rebuild the revenue base following the 2002 decline. Our
marketing strategy is to use focused direct selling, distributors, and marketing
partners  to  penetrate  targeted  domestic  markets.  For  some  time,  we have
maintained a small direct sales force to market our  urine-based  HIV-1 tests to
reference  laboratories  serving the life insurance market. In 2001, we expanded
our direct sales force to target other domestic sectors, including public health
clinics and  laboratories  and community based advocacy and service groups.  Our
sales effort, like other initiatives, was curtailed as a result of our financial
situation during 2002, but has now been re-established. We address international
markets utilizing resident diagnostic product distributors.

Although we are adding new customers, it generally takes about six months before
we recognize additional revenue from those additions.  Consequently, we expected
that our revenues for the first quarter of 2003 would  approximate  our revenues
for the last quarter of 2002,  and provided  guidance to that effect.  Our first
quarter 2003 results,  revenues of $784,000,  were at the high end of the target
range. As we projected previously, we continue to expect revenues for the second
quarter of 2003 to be in that same  $700,000 to $800,000  range.  Subject to our
obtaining  adequate  financing  and to only a short-term  impact of Severe Acute
Respiratory  Syndrome  ("SARS") on our Chinese  distributor's  ability to timely
accept  contractually-stipulated  quantities of our product, and based on growth
from  new domestic users of our products, including both insurance companies and
community  based  organizations,  and  expected  increases  in  Africa and other
international  markets,  we expect revenues for the third and fourth quarters of
2003  to  return  to  the $1.1 to $1.2 million range we experienced prior to the
wind  down  of activities in 2002. We expect operating losses to continue during
2003  and  into  2004, however, as we continue to expand our sales and marketing
activities  domestically  and internationally for our current products and as we
concentrate  on  finalizing the development of and conducting clinical trials on
our rapid test and as we conduct additional research and development for process
improvements  and  other  potential new products. There can be no assurance that
our  current  or  potential  new products will be successfully commercialized or
that  we will achieve significant product revenues. In addition, there can be no
assurance  that  we  will  achieve  or  sustain  profitability  in  the  future.

To successfully implement our business plan, we must ultimately overcome certain
impediments that have recently delayed our progress.  As described  earlier,  in
April of 2002, we announced the winding down of our business  operations because

                                      -16-


                 CALYPTE BIOMEDICAL CORPORATION AND SUBSIDIARY

we lacked sufficient capital to continue to successfully  implement our business
model.  Subsequently,  in May of  2002,  we  announced  an  arrangement  for new
funding,  which  allowed us to resume and  recommence  our business  operations.
Based upon our continued  tenuous  financial  condition as  demonstrated  by our
working capital  deficit and recurring  losses,  our  independent  auditors have
issued an opinion that cites substantial doubt about our ability to continue our
business  operations  as a going  concern.  We continue to reassess our business
plan and capital  requirements  as a result of the impact of the  wind-down  and
subsequent  restart of our  operations.  We do not  believe  that our  currently
available financing will be adequate to sustain operations at current levels and
achieve our current business expansion  milestones through the second quarter of
2003 unless new financing is arranged. From May 10, 2002 through April 30, 2003,
we have  completed  new  financings  in which we have  received an  aggregate of
approximately  $9.0 million against an initial $5 million new funding commitment
more fully  discussed in Liquidity and Capital  Resources later in this section.
We do not know,  however,  if we will succeed in raising enough additional funds
through  further  offerings  of  debt or  equity.  We  must  ultimately  achieve
profitability  for our business model to succeed.  Prior to  accomplishing  this
goal,  we believe  that,  in  addition  to the  financing  that we have  already
received,  we will need to arrange additional  financing of at least $10 million
in the next twelve months to sustain our  operations.  There can be no assurance
that subsequent  additional  financings will be made available to us on a timely
basis or that the  additional  capital  that we  require  will be  available  on
acceptable  terms, if at all. The terms of a subsequent  financing may involve a
change of control and/or require stockholder  approval,  or require us to obtain
waivers of certain covenants that are contained in existing agreements.


We are actively engaged in seeking  additional  financing in a variety of venues
and formats and we continue to impose actions designed to minimize our operating
losses. We would consider strategic  opportunities,  including investment in the
Company, a merger or other comparable transaction, to sustain our operations. We
do not currently have any agreements in place with respect to any such strategic
opportunity,  and  there  can be no  assurance  that  such  opportunity  will be
available to us on acceptable  terms, or at all. If additional  financing is not
available  when required or is not available on acceptable  terms,  or if we are
unable  to  arrange  a  suitable  strategic  opportunity,  we will be  placed in
significant  financial  jeopardy and we may be unable to continue our operations
at current levels, or at all.

                   CRITICAL ACCOUNTING POLICIES AND ESTIMATES

Our discussion and analysis of our financial condition and results of operations
are based upon our consolidated  financial statements,  which have been prepared
in accordance with accounting principles generally accepted in the United States
of America.  The preparation of these financial  statements  requires us to make
estimates and judgments that affect the reported amounts of assets, liabilities,
revenues  and  expenses,   and  related  disclosure  of  contingent  assets  and
liabilities.  On an on-going  basis,  we evaluate our estimates  and  judgments,
including those related to bad debts,  inventories,  intangible  assets,  income
taxes,  restructuring  costs,  and  contingencies  and  litigation.  We base our
estimates on historical  experience and on various other factors that we believe
to be reasonable  under the  circumstances,  the results of which form the basis
for making  judgments about the carrying  values of assets and liabilities  that
are not readily  apparent  from other  sources.  Actual  results may differ from
these estimates under different assumptions or conditions.

We believe the following critical accounting policies,  among others, affect our
more  significant  judgments  and  estimates  used  in  the  preparation  of our
consolidated financial statements.

o    REVENUE  RECOGNITION  We recognize revenue from product sales upon shipment
     to  customers  and  when  all  requirements  related  to the shipments have
     occurred.  Should changes in terms cause us to determine these criteria are
     not  met  for  certain  future  transactions,  revenue  recognized  for any
     reporting  period  could  be  adversely  affected.

o    ALLOWANCE  FOR  DOUBTFUL  ACCOUNTS  We  maintain  an allowance for doubtful
     accounts  on  a  specific account identification basis for estimated losses
     resulting from the inability of our customers to make required payments. If
     the  financial condition of our customers were to deteriorate, resulting in
     an  impairment of their ability to make payments, additional allowances may
     be  required.

o    INVENTORY  VALUATION  We  adjust  the  value of our inventory for estimated
     obsolescence  or unmarketable inventory equal to the difference between the
     cost  of  inventory  and  the estimated market value based upon assumptions
     about future demand and market conditions. Further, since we have continued
     to  incur  negative  gross  profit  on  an

                                      -17-


         annual basis, and have high fixed  manufacturing  costs, we also review
         our inventories for lower of cost or market valuation. If actual market
         conditions  are less  favorable  than those  projected  by  management,
         additional inventory write-downs may be required.

o        DEFERRED TAX ASSET REALIZATION We record a full valuation  allowance to
         reduce our  deferred  tax assets to the amount that is more likely than
         not to be realized.  While we have considered future taxable income and
         ongoing  prudent and feasible tax planning  strategies in assessing the
         need for the  valuation  allowance,  in the event we were to  determine
         that we would be able to realize our  deferred tax assets in the future
         in excess of its net recorded amount, an adjustment to the deferred tax
         asset would increase income in the period such determination was made.

RESULTS OF OPERATIONS

The following represents selected financial data (in thousands):

                                                     Three months Ended
                                                         March 31,
                                                  ------------------------------
                                                       2003                2002
                                                      ----                ----

Total revenue                                      $    784             $ 1,159
Product costs                                         1,415               1,630
                                                   --------             -------

   Gross Margin                                        (631)               (471)

Operating expenses:
   Research and development                             314                 241
   Selling, general and administrative                4,009               1,215
                                                   --------             -------
     Total operating expenses                         4,323               1,456
                                                   --------             -------

   Loss from operations                              (4,954)             (1,927)

Interest income                                           -                   1

Interest expense                                     (1,516)                (47)

Gain on settlement of debt                                -               1,319

Other income (expense)                                  128                   8
                                                  ---------            --------

   Loss before income taxes                        $  6,342             $   646
                                                  =========            ========

WIND-DOWN AND RESTART

In mid-April 2002, as a result of insufficient  cash to continue our operations,
we announced  that we were winding down our  operations  and might have to cease
our operations entirely and file for bankruptcy.  We immediately  furloughed all
but a few  manufacturing  and  administrative  employees,  making no  separation
payments or payments of accrued  vacation to any  employees.  The  manufacturing
employees who were retained  completed certain lots of in-process  inventory and
readied them for sale and were then also  furloughed.  Immediately  prior to the
restart,  we had  terminated  all but 5  employees,  retaining  only the minimum
necessary to ensure  regulatory  compliance for our facilities should additional
financing  enabling a restart  become  available.  Upon  receipt of the  initial
financing  commitment that permitted the restart, we recalled key management and
manufacturing  employees  and began the  process of resuming  our  manufacturing
operations.  Other employees,  such as administrative and sales personnel,  were
recalled  in  stages  as  required  and as  funding  permitted.  Not  all of the
pre-wind-down  employees were rehired,  but we believe our current complement is
generally sufficient to meet our operational needs.

The costs of the wind-down and restart are difficult to quantify precisely,  but
we believe that the lower margins  experienced since those of the fourth quarter
of 2001,  when  gross  margin  reached  25%,  are  primarily  the  result of the
wind-down  and  restart.   The  margin  reduction  reflects  both  the  inherent
inefficiencies  in the restart of our  manufacturing  processes,  including  the


                                      -18-



                 CALYPTE BIOMEDICAL CORPORATION AND SUBSIDIARY

excess overhead and capacity costs  incurred,  as well as the lower sales demand
resulting  from  abnormally-large  purchases by certain  customers  prior to the
wind-down,  and the time required to rebuild  demand among  customers  concerned
with our  longer-term  stability.  Additionally,  we have  incurred  incremental
general  and  administrative  costs  (some  of them  non-cash)  attributable  to
consultants  engaged in the restart process and thereafter in investor relations
and strategic  positioning  initiatives within the financial  community,  and in
other areas of expertise.

CUSTOMER TRENDS

HIV-1 URINE TEST SALES Sales of our urine HIV-1 screening test accounted for 45%
and 55% of our total  sales for the year ended  December  31, 2002 and the three
months  ended March 31,  2003,  respectively.  Sales of our urine  Western  Blot
supplemental  test accounted for  approximately 4% of calendar year 2002 revenue
and  approximately  6% of the first  quarter  2003  revenue.  The  impact of the
announcement  of our possible  cessation of operations  caused many customers to
modify their traditional  product purchase patterns during 2002. The increase in
the sales of our urine screening and supplemental tests as a proportion of total
sales is primarily the result of (1) these altered order  patterns in 2002,  and
(2) a decrease in sales of serum  Western Blot sales  primarily as a result of a
change  in  distributors.  We  expect,  however,  that our urine  screening  and
supplemental  tests will comprise an  increasing  proportion of our sales in the
future as we expand our distribution of these products internationally.

     Domestic Sales Sales of our HIV-1 screening test to domestic life insurance
     reference  labs  accounted  for 85% of screening  test revenue for calendar
     year 2002 and 97% of screening  test revenue in the first  quarter of 2003.
     These  reference  lab  sales  were  distributed  between  four labs in both
     periods.  Individual lab sales as a percentage of total reference lab sales
     ranged from 2% to 59% in calendar year 2002 and from 2% to 55% in the first
     quarter of 2003, with LabOne being the largest of the four in both periods.
     Although we sell our  product to the  reference  labs,  we market our HIV-1
     urine  screening  test to both  the  reference  labs  and to over  100 life
     insurance  companies who have  committed to urine testing for HIV screening
     of at least  some of their  policy  applicants  and who  employ the labs to
     conduct their applicant  testing.  Individual life insurance  companies can
     and do move their  business  from one lab to  another  based on a number of
     considerations,  including the  availability of urine testing.  As the only
     supplier  of an  FDA-approved  urine  based  testing  algorithm  for HIV-1,
     reference  labs must use our  testing  products  to  satisfy  the demand of
     insurance  companies  desiring urine testing.  Although we do not expect to
     lose LabOne or any other  reference  lab as a customer,  should such a loss
     occur, the insurance  companies using  urine-based  testing in their policy
     underwriting  determinations  could  realign  themselves  with  another lab
     offering our urine-based testing algorithm. We could, however,  potentially
     lose a significant amount of business because insurance companies that rely
     on this large lab could switch to another form of testing,  either blood or
     oral fluid,  and remain with  LabOne.  Direct or  distributor  sales of our
     screening test to domestic diagnostic  clinics,  public health agencies and
     community-based  organizations were not material in either period. Sales of
     our urine  Western Blot test are generally  made to the same  customers who
     purchase the urine-based screening test.

     International  Sales  International sales of our urine-based screening test
     are  not currently a material component of our revenue, accounting for only
     4%  of  total  revenues in 2002 and 1% in the first quarter of 2003, but we
     see significant potential for international distribution of our urine-based
     testing  algorithm.  Our  primary  focus  is  currently  on  developing  or
     expanding distribution relationships in China and Africa and qualifying our
     products  through  the  World  Health  Organization  ("WHO").  Our  new
     distribution  agreement  with our Chinese distributor requires the purchase
     of  at  least  $3  million  worth  of tests during the two year term of the
     agreement.  Our  Chinese  distributor  requested that we delay our expected
     first  quarter shipment until the second quarter of 2003 as a result of the
     disruption  in the  Chinese  infrastructure  resulting  from  SARS. We
     believe  that  the delay in distribution is only a temporary situation that
     will  not  impact  longer-term  expectations. We plan to qualify all of our
     urine-based  testing  products  for  WHO,  which  serves  as  both  a
     quasi-regulatory  body  and  a  potential funding source for many countries
     that might not otherwise possess the regulatory infrastructure or financial
     resources to avail themselves of our products. Should we reach a definitive
     agreement  with Safe Blood for Africa Foundation following their evaluation
     of  our  tests,  we expect that it would result in significant revenue over
     its  term.

Serum Western Blot Sales Sales of our serum based Cambridge  Biotech HIV-1 serum
Western Blot  supplemental  test kit  accounted  for 43% of our revenues for the
year ended December 31, 2002 and 37% of our revenues for the quarter ended March
31, 2003. Sales of this test to bioMerieux Inc.  accounted for approximately 18%
of total revenue for the year ended  December 31, 2002, but we have sold none of

                                      -19-

                 CALYPTE BIOMEDICAL CORPORATION AND SUBSIDIARY

these  tests to  bioMerieux  since the  restart of our  operations  in May 2002.
Although there is limited  competition in the  supplemental  testing market,  we
have not yet been able to rebuild market share and revenues to previous  levels.
Although we signed a new  distributor  for this  product  whose sales during the
second half of 2002 represented  approximately 5% of our full year 2002 revenues
and whose  first  quarter  2003  sales  represented  over 6% of our total  first
quarter revenues,  and while certain customers who had previously  purchased our
serum Western Blot from  bioMerieux  now purchase  directly from us, the loss of
serum Western Blot sales to bioMerieux has had an impact on revenues.

THREE MONTHS ENDED MARCH 31, 2003 AND 2002
- ------------------------------------------

Revenues  for the first  quarter  of 2003  decreased  by 32% or  $375,000,  from
$1,159,000  for the first  quarter of 2002 to $784,000 for the first  quarter of
2003.  Certain of our customers  were  concerned  about our continued  viability
during the first quarter of 2002 and  significantly  increased their orders as a
contingency  plan in case we were  forced to  discontinue  our  operations.  The
decrease in revenue for 2003 results primarily from the impact of stockpiling in
early 2002 and from the  discontinuation  of sales to our former  primary  serum
Western Blot distributor following our wind down and restart. Sales of Calypte's
urine-based  HIV  screening  test in the  first  quarter  of 2003  decreased  by
$104,000 or 19%,  from  $536,000 to $432,000,  compared  with sales in the first
quarter of 2002.  Sales of Calypte's  urine-based HIV screening test to domestic
life insurance reference  laboratories declined 10% compared with the comparable
period in 2002, when sales to one reference laboratory were higher by $52,000 or
32%  as  a  result  of  contingency   stockpiling.   Sales  of  Calypte's  urine
supplemental   test   increased   $13,000  or  36%,  from  $37,000  to  $50,000,
demonstrating  increased  product  availability  in 2003.  Sales  of  serum  HIV
supplemental  tests  decreased  $279,000  or 49%,  from  $565,000  to  $286,000,
compared  with  first  quarter of 2002,  primarily  due to the change in primary
distributors during 2002 as a result of our wind down and restart.

Gross margin on sales was -81% for the first quarter of 2003 versus -41% for the
first  quarter of 2002.  The  decline is  attributable  to the impact of reduced
sales measured against a relatively fixed manufacturing  overhead cost structure
and a nominal increase in manufacturing and quality  headcount-related  expenses
incurred in preparation for the production  demand increase  required to meet an
expanded sales expectations.

Research and development  expense  increased $73,000 or 30% from $241,000 in the
first quarter of 2002 to $314,000 in the first quarter of 2003.  The increase is
primarily  attributable  to costs  associated  with the acquisition of specimens
required for  clinical  trials for our  proposed  urine-based  rapid test and an
increase in R&D staffing by one position.

Selling, general  and  administrative  expenses  increased  by  $2,794,000, from
$1,215,000  in  the  first quarter of 2002 to $4,009,000 in the first quarter of
2003.  The  increase  is  primarily  attributable to a $2.6 million increase, of
which  approximately  $2.2  million  was  non-cash,  in  consulting  expense for
consultants  engaged  by  the  Company  to help with various investor relations,
business  development  and  operating  initiatives.  Selling,  general  and
administrative expenses were significantly curtailed during the first quarter of
2002  to  reduce  the  Company's  cash  burn  rate.

The loss from operations  increased by $3,027,000,  from $1,927,000 in the first
quarter  of 2002 to  $4,954,000  in the first  quarter of 2003,  primarily  as a
result  of the  decrease  in sales  and the  increase  in  selling  general  and
administrative expenses.

Interest expense increased by $1,469,000,  from $47,000 for the first quarter of
2002 to $1,516,000 for the first quarter of 2003.  Non-cash  interest expense of
$1,373,000 for the first quarter of 2003 related to the amortization of deferred
offering costs, note and debenture discounts and penalties for  non-registration
of the shares  underlying the convertible  debentures and other instruments used
to finance our restart since mid-2002.  Non-cash expense of $33,000 in the first
quarter of 2002 related  primarily to amortization of equity line offering costs
and debenture discounts.

In  the  first  quarter  of  2002,  Calypte recognized a gain of $1,319,000 as a
result  of  restructuring  certain of its trade indebtedness. In accordance with
the  provisions  of  Statement  of  Financial  Accounting  Standards  No.  145,
"Recission  of  FASB Statements No 4, 44 and 64, Amendment of FASB Statement No.
13,  and Technical Corrections", Calypte is reporting this gain as other income,
rather  than  as  an extraordinary item as it was reported in 2002. Other income
for the first quarter 2003 represents the non-cash gain on the repurchase of the
beneficial  conversion  feature recorded in connection with the repayment of the
$300,000  12%  Mercator  debenture.
                                      -20-


                 CALYPTE BIOMEDICAL CORPORATION AND SUBSIDIARY

LIQUIDITY AND CAPITAL RESOURCES
- --------------------------------

FINANCING ACTIVITIES
- ---------------------

We have financed our operations from our inception primarily through the private
placement of preferred stock and common stock, our Initial Public Offering (IPO)
of common  stock,  two equity line  facilities  and the issuance of  convertible
notes and debentures.  Our financing  activities for the most recent three years
include the following.

In April 2000, the Company  completed a private placement of 4,096,000 shares of
its common  stock at $2.05 per share under  Regulation  D. The Company  received
proceeds of approximately $8.3 million, after deducting expenses associated with
the transaction.  In connection with a bridge loan commitment of $1 million from
one of the investors,  Calypte also issued warrants for 100,000 shares of common
stock with an  exercise  price of $3.62 per share.  The  actual  bridge  loan of
$500,000 was converted to equity upon closing of the private placement.

On January 22, 2001, the Company signed an agreement to place up to $1.1 million
in convertible short-term debentures. Under this arrangement, the Company issued
two convertible  debentures to the debenture  holder in the principal  amount of
$550,000 each,  pursuant to Regulation S. Each debenture had an interest rate of
6% and was issued at an original  issue discount of 9.1%. The Company issued the
first  debenture  on January  26,  2001 and the second on March 13,  2001.  Each
debenture  matured 90 days from the date of  issuance,  or on April 26, 2001 and
June 11, 2001,  respectively.  Under the terms of the debentures,  the debenture
holder  could  elect at any time  prior  to  maturity  to  convert  the  balance
outstanding  on the  debentures  into shares of the Company's  common stock at a
fixed price that  represented a 5% discount to the average  trading price of the
shares for the 10 trading days preceding the issuance of each debenture.  If the
Company chose not to redeem the debentures upon maturity,  as in the case of the
second debenture,  the conversion  discount to the debenture holder increased to
15% of the average low bid price for the Company's common stock for any three of
the 22  trading  days  prior  to the  date of  conversion.  Concurrent  with the
issuance  of the first  debenture,  the  Company  also  issued a warrant  to the
debenture  holder for 200,000  shares of common  stock at an  exercise  price of
$1.50. The shares  underlying the debentures and warrant were registered using a
form S-3 Registration  Statement.  The Company  received  aggregate net proceeds
from the issuance of the two debentures of $925,000  during the first quarter of
2001. The Company redeemed the first debenture,  plus accrued interest, prior to
its contractual  maturity using the proceeds from the sales of its common stock.
The  Company  also  redeemed  a portion  of the  second  debenture  prior to its
contractual  maturity.  On June 12, 2001,  the  debenture  holder  converted the
remaining  $168,000  balance on the second  debenture plus accrued interest into
1,008,525  shares  of  the  Company's  common  stock,  in  accordance  with  the
conversion provisions of the debenture. On August 17, 2001, the Company modified
the warrant that it had issued to the debenture  holder pursuant to the terms of
the warrant,  reducing its exercise price to $0.15 per share,  and the debenture
holder exercised it for the entire 200,000 shares.  The Company received $28,500
in net proceeds from the exercise of the warrants.

On January 24, 2001 the Company amended a common stock purchase agreement with a
private  investment fund for the issuance and purchase of its common stock.  The
initial  closing of the  transaction  took place on November 2, 2000.  The stock
purchase agreement established what is sometimes termed an equity line of credit
or an equity  draw down  facility.  The  facility  generally  operated  with the
investor  committed to purchase up to $25 million or up to 20% of the  Company's
outstanding shares of common stock over a twelve-month  period. Once during each
draw down pricing period, the Company could request a draw, subject to a formula
based on the Company's  average stock price and average  trading  volume setting
the maximum  amount of the request for any given draw.  The amount of money that
the investor provided to the Company and the number of shares the Company issued
to the  investor  in return for that money was  settled  during a 22 day trading
period  following  the draw  down  request  based on the  formula  in the  stock
purchase agreement.  The investor received a 5% discount to the market price for
the 22-day period and the Company  received the settled amount of the draw down.
By June 30, 2001, the Company had issued  5,085,018  shares of its common stock,
the total number registered for the equity line with the Securities and Exchange


                                      -21-

                 CALYPTE BIOMEDICAL CORPORATION AND SUBSIDIARY

Commission, at an average price of $0.42 per share and had received net proceeds
of approximately $2,014,000 after deducting expenses of the transactions.  There
are no further funds  available to the Company under this equity line. The terms
of the 6% convertible  debentures discussed earlier required that 50% of the net
proceeds  of any  equity  sales,  including  sales  under the  equity  draw down
facility,  be used  to  repay  the  debentures  and  related  accrued  interest.
Accordingly,  approximately  $938,000 of the net  proceeds  from sales under the
equity draw down facility was used to pay down the  debentures.  In  conjunction
with the  agreement,  the  Company  issued a 3-year  warrant to the  investor to
purchase up to 1,000,000  shares of its stock at an exercise  price of $1.55 per
share.  On August 2 and August 8, 2001, the Company  modified the exercise price
for 300,000 shares each of the warrants pursuant to the terms of the warrant, to
$0.20 per share,  and the  investor  exercised  it for an  aggregate  of 600,000
shares. The Company received $114,000 in net proceeds from the exercise of these
warrants.  On August 21, 2001,  the Company  modified the exercise price for the
remaining  400,000  shares of the  warrant  to $0.15  per  share.  The  investor
exercised  the  remaining  balance of the warrant and the Company  received  net
proceeds of $57,000 after deducting expenses of the transaction.
 `
In April 2001, the Company announced that it had concluded  negotiations to sell
its 29% minority interest in the stock of Pepgen  Corporation,  a privately held
therapeutic  company,  for $500,000.  The Company received the proceeds from the
sale in two installments in April and May 2001.

In August 2001, the Company executed a promissory note in the amount of $400,000
to LHC Corporation, the parent company of its then-largest stockholder. The note
required  interest at 8.5% per annum and principal plus accrued interest was due
no  later  than  September  14,  2001.  The note was subsequently extended after
September  14,  2001  and  in December 2001, the parties agreed to execute a new
note  in  the  amount of $411,000, representing the unpaid principal and accrued
but unpaid interest on the previous note. This note required interest payable at
8.5%  and  was  due in installments of $200,000 on February 28, 2002 and $35,000
per  month  thereafter  until paid in full, plus accrued interest. The repayment
terms  of the note were renegotiated in February 2002. The amended note required
payments of $17,500 at the end of February and March 2002, increasing to $35,000
monthly  thereafter  unless  and until the Company raised at least $2 million in
external  financing,  not  including  the Bristol 12% convertible debentures and
warrants  discussed  below. If there was a remaining balance under the note upon
the  Company's  obtaining proceeds of at least $2 million of external financing,
the  Company  was obligated to repay $200,000 on the note and should any balance
on  the  note  remain  thereafter, the Company was obligated to continue monthly
payments  of  $35,000  until  the  note was repaid in full. The Company made the
required  $17,500  payment  on February 28, 2002. On March 28, 2002, the Company
again  renegotiated  the  payment  terms  of  this note, suspending any required
principal  or  interest  payments  until 30 days after the effective date of the
Company's  registration  statement  for the 12% convertible debentures, at which
time  the  Company  was required to make a $200,000 payment and to resume making
monthly  payments  of  $35,000.  The  registration statement became effective on
February 14, 2003. No payments were made on this note from February 2002 through
February  2003. On February 28, 2003, the Company and LHC Corporation executed a
new  note  in  the  amount  of  $435,000,  representing the unpaid principal and
accrued  but  unpaid  interest  on  the  Decdember  2001 note. The payment terms
require  monthly  principal payments of $17,500 plus interest from March through
May  2003,  increasing to $35,000 monthly, plus interest, thereafter, unless and
until  the Company secures at least $5,000,000 in additional financing, at which
time  the  remaining  outstanding  balance  is  due  and  payable.  The  Company
renegotiated  the  terms  of  the  December 2001 note due to a lack of available
funds  and  to  avoid  a  default.

On August 23, 2001,  the Company and a private  investment  fund signed a common
stock  purchase  agreement  for the future  issuance  and  purchase of up to $10
million of the  Company's  common stock over a  twenty-four  month  period.  The
initial  closing of the  transaction  occurred on October 19,  2001.  Under this
arrangement,  the  Company,  at its  sole  discretion,  may  draw  down  on this
facility, sometimes termed an equity line, from time to time, and the investment
fund is  obligated  to  purchase  shares of the  Company's  common  stock.  This
facility  operates  similarly  to the  previous  equity line  facility  employed
earlier in the year. The purchase price of the common stock  purchased  pursuant
to any draw  down  under  this  facility  is equal  to 88% of the  daily  volume
weighted  average price of the Company's common stock on the applicable date. In
conjunction  with the signing of the stock  purchase  agreement,  on October 19,
2001,  the  Company  issued a 7-year  warrant  pursuant to  Regulation  S to the
investment  fund to  purchase  up to  4,192,286  shares  of  common  stock at an
exercise  price of $0.2743 per share.  On October 26, 2001,  the Company filed a
Registration  Statement on Form S-2 with the Securities and Exchange  Commission
to register  for resale  30,000,000  shares of common stock that it may issue in
conjunction  with the equity line  facility and the  warrant.  From the time the
Registration  Statement  became  effective in November 2001 through the present,
the Company has issued a total of  25,673,289  shares of its common  stock at an
average  price of $0.131 per share and received  net  proceeds of  approximately
$3.2 million after deducting  expenses of the transactions.  There are currently
approximately 19,000 registered shares available for sale under this facility.

                                      -22-


                 CALYPTE BIOMEDICAL CORPORATION AND SUBSIDIARY

In  November  2001,  the Company  sold  1,575,855  shares of common  stock under
Regulation D of the Securities Act to various  investors in a private  placement
at $0.19 per share,  receiving net proceeds of $295,000.  The private  placement
did not  include  registration  rights.  Therefore,  pursuant to Rule 144 of the
Securities  Act, the transfer of the  securities  purchased by the investors was
restricted  for twelve  months  from the date of  purchase.  Two current and one
former member of the Company's Board of Directors, Nancy Katz, Mark Novitch, and
David Collins,  purchased an aggregate of 721,154  shares of this offering.  The
proceeds of this offering were used to fund the  Company's  current  operations.
The purchase  transactions  by the  Company's  Board  members were on a fair and
reasonable basis and on terms more favorable to the Company than could have been
obtained  with  non-affiliated  parties  as a result  of the  tenuous  financial
condition of the Company at that time.

On November  28,  2001,  Calypte  announced  that it intended to offer up to $10
million of shares of its common  stock to  international  investors  pursuant to
Regulation  S of the  Securities  Act.  There was no  investor  interest  in the
proposed offering, and consequently, the Company elected not to proceed with it.

On February 11, 2002,  the Company signed a securities  purchase  agreement with
Bristol Investment Fund, Ltd. ("Bristol") pursuant to which Bristol committed to
purchase an aggregate of $850,000 of 12% secured convertible debentures maturing
two years after issuance.  As of April 30, 2003, the Company has issued $525,000
of debentures and has received net proceeds of $470,000. The Company may issue a
debenture  for the balance of the $325,000  commitment  and file a  registration
statement for the common shares underlying the debenture only after Bristol, the
selling  stockholder,  is at market risk.  The  debentures  bear interest at the
annual  rate of 12%  payable  quarterly  in  common  stock or cash at  Bristol's
option. Under the terms of the debenture, Bristol can elect at any time prior to
maturity to convert the balance  outstanding on the debenture into shares of the
Company's common stock.  The conversion price for the debentures,  as originally
defined,  is equal to the lesser of (i) the average of the lowest three  trading
prices  during the 20 trading  days  immediately  prior to the  conversion  date
discounted by 30%, subject to anti-dilution adjustment,  and (ii) $0.115. On May
31, 2002,  Bristol  converted  approximately  $60,000 of principal  plus accrued
interest and the Company  issued  approximately  4,462,000  shares of its common
stock at $0.014 per share.  Upon  effectiveness of a registration  statement for
the entire amount of the debentures and for the Class A and B warrants described
below,  Bristol  would be required to convert the  debentures  at a monthly rate
equal to 5% of the aggregate  trading  volume of the Company's  common stock for
the 60 trading days immediately preceding such conversions.

On February 18, 2003,  and subsequent to the February 14, 2003 effective date of
the  registration  statement  on Form S-2/A (No. 6) which  registered  shares of
common  stock  underlying  the  12%  Convertible  Debentures  in the  amount  of
$525,000,  Bristol  provided notice to the Company that it intended to convert a
portion of its debentures and that the number of shares underlying its debenture
was  subject  to  adjustment  for  anti-dilution  pursuant  to the  terms of the
Security Purchase  Agreement with the Company.  As a consequence of that notice,
the Company  and Bristol  signed a letter  agreement  on February  28, 2003 (the
February  28,  2003  Letter  Agreement")  providing  that the  Company  could be
required to issue additional shares to Bristol based upon an adjusted conversion
rate.  On the basis of the  February  28,  2003  Letter  Agreement,  Bristol has
converted the remainder of the outstanding debentures,  an aggregate of $465,000
face value,  plus  accrued  interest and $122,000 of  liquidated  damages,  into
26,120,822 shares of the Company's common stock between February 18 and April 2,
2003.

The number of  additional  shares that the Company could be required to issue to
Bristol  pursuant to the  February  28, 2003  Letter  Agreement  is based on the
difference between (i) the number of shares that would have been issued based on
a  conversion  price of the  lesser  of (a)  $0.05  per share and (b) 60% of the
average  of  the  3  lowest closing bid prices for the 22 trading days preceding
conversion  (the  "60%  Conversion  Price"),  and  (ii)  the  number  of  shares
previously issued pursuant to the conversion notice (based on a conversion price
of  70%  of  the  3 lowest trades for the 20 days preceding conversion (the "70%
Conversion  Price")). In accordance with the February 28, 2003 Letter Agreement,
the Company is required to issue the following additional shares to Bristol: (1)
an  additional 0.796 million shares pursuant to Bristol's conversion on February
18, 2003 of $150,000 principal amount of the debentures; (2) an additional 0.212
million  shares  pursuant  to  Bristol's conversion on March 10, 2003 of $63,464
principal  amount  of  debentures,  and  (3)  an additional 0.290 million shares
pursuant  to  Bristol's conversion on March 26, 2003 of $55,000 principal amount
of  debentures,  for  a  total  of  an  additional 1.298 million shares. The 70%
Conversion  Price  used  to  determine  the  number of shares issued pursuant to
Bristol's  conversion  notices  on  March  31  and  April  2,  2003  resulted
                                      -23-


                 CALYPTE BIOMEDICAL CORPORATION AND SUBSIDIARY

in the issuance of a greater  number of shares than would have resulted from the
use of the 60%  Conversion  Price.  Specifically,  the Company  issued shares in
excess of the 60% Conversion  Price amount of (1) 1.880 million shares  pursuant
to  Bristol's  conversion  on March  31,  2003 of  $96,566  principal  amount of
debentures  and (2) 0.590  million  shares  pursuant to Bristol's  conversion on
April 2, 2003 of $100,000  principal  amount of  debentures.  The excess  shares
issued  pursuant to the March 31, 2003 and April 2, 2003  conversions  exceed by
1.172 million shares the additional shares required to be issued pursuant to the
February 18, March 10, and March 26, 2003 conversions.

In conjunction with the initial transaction,  the Company issued Bristol a Class
A warrant to purchase up to 1,700,000  shares of its common  stock.  The Class A
warrant is exercisable for a period of seven years after issuance at a price per
share  equal  to  the  conversion  price,   subject  to  certain   anti-dilution
adjustments.  Bristol has sole discretion with respect to when and if it chooses
to exercise any or all of the Class A warrant prior to its expiration.

The  Company  also issued  Bristol a Class B warrant to  purchase an  additional
12,000,000  shares of its common stock.  Upon the  effectiveness  of the related
registration  statement  for all of the shares  underlying  the  debentures  and
warrants,  Bristol is required to  exercise  the Class B warrant in  conjunction
with the mandatory  monthly  conversion of its debentures so that each month the
Company will issue to the investment  fund,  pursuant to the Class B warrant,  a
number of shares equal to 150% of the shares  issued to the fund pursuant to the
monthly  conversion of the  debentures.  Because the fund is required to convert
the  debentures  for a minimum  number of  shares  equal to 5% of the  Company's
aggregate  trading volume for the preceding 60 trading days, this means that the
fund must exercise the Class B warrant during each monthly conversion period for
a number of shares equal to 7.5% of such trading volume, provided that more than
2 million  shares will not be issued per month  pursuant to such  conversion and
exercise  without the Company's  consent.  The term of the Class B warrant is 12
months from the  effective  date of the  registration  statement  for the shares
underlying the warrant. The exercise price for the Class B warrant is the lesser
of (i) the average of the lowest three trading prices during the 20 trading days
immediately  prior to  exercise  discounted  by 25%;  and (ii) $0.215 per share,
subject to certain anti-dilution adjustments.

Wind-down and Restart
Calypte  publicly  announced on April 17, 2002 that the Company was winding down
its operations as it did not have  sufficient  working  capital or the necessary
funds to continue  with its business  plan or  operations.  On May 9, 2002,  the
Company  entered into a letter  agreement  with  Cataldo  Investment  Group,  an
independent  investment group assigned the acronym "CIG",  whereby the investors
agreed to provide  approximately $1.4 million within 90 days and an aggregate of
at  least $5  million  over the next 12  months  to fund  Calypte's  operations.
Accordingly, the Company restarted its operations.

The Company has  determined to aggregate all  investments  received from parties
with whom it did not have financing agreements prior to its restart (e.g., other
than Bristol Investment Fund and Townsbury  Investments Limited) and through May
10, 2003 under the heading "Other Recent  Financings",  formerly  referred to as
"CIG financing",  to attribute them to the $5 million that was to be invested in
the Company as set forth in the investment  commitment letter by CIG. The Equity
Line of Credit  with  Townsbury  and the  convertible  debentures  and  warrants
agreement with Bristol,  together with Other Recent Financings  post-restart are
our  "Recent  Financings".  In excess of $5  million  in  investments  have been
attributed to our Recent Financings to date.

CIG is  essentially  a de facto  entity  comprised  of a number of  unaffiliated
accredited  investors  assembled by Mr. Anthony Cataldo,  the Company's  current
executive chairman,  to facilitate  investments in the Company. Mr. Cataldo does
not have an affiliation or any agreements  with any of the individual  investors
that are categorized as CIG. As a condition precedent to the initial investment,
Mr. Cataldo requested that he be appointed Executive Chairman in connection with
the restart of the Company's operation.  Additionally, Mr. Cataldo was granted a
temporary limited right on behalf of CIG to appoint new directors constituting a
majority of the Board of  Directors.  During the time  period of the right,  Mr.
Cataldo  recommended  the  appointment  of  one  director,  as a  result  of the
resignation of a director during the limited time period.

Mr. Paul Kessler,  a Director of Bristol  Investment  Fund,  Ltd.,  which was an
investor in a company  with which Mr.  Cataldo had been  previously  affiliated,
initially  made the  introduction  of Mr.  Cataldo to the Company as an existing
security  holder of the Company who was concerned about the Company winding down
its business affairs and its investment  (holdings) in the Company.  Thereafter,
Mr.  Cataldo  arranged  for new  financings,  which were  categorized  under the
heading Recent Financings,  primarily the Other Recent  Financings.  Mr. Cataldo
has  disclaimed  any  affiliation  or beneficial  ownership  with the individual


                                      -24-



                 CALYPTE BIOMEDICAL CORPORATION AND SUBSIDIARY

investors  that  comprise  CIG.  To the  best of the  Company's  knowledge,  the
individual  investors of CIG are not affiliated with each other. Mr. Cataldo was
a designee of the investors chosen in light of the tenuous  financial  condition
of the Company at the time of the new financing. He continues to actively pursue
raising the necessary capital to fund the Company's on-going operations.

There are no defined terms with respect to investments  that have been or may be
attributed  to  the  Other  Recent   Financings  and,  as  such,  all  financing
arrangements  must be  negotiated  on an  individual  basis.  Since Other Recent
Financings is used only as a heading to track the Company's financings since the
restart of its  operations in May 2002,  new investors who provide funds for the
Company  have been  aggregated  under  this  heading  along with  investors  who
provided the initial restart  financing in May 2002. As noted above, we refer to
this as Recent Financings.  Each financing that has been aggregated as a part of
Other Recent Financings has been the subject of a separate agreement between the
Company and the  investor.  The  Company's  Board of Directors  has approved the
terms  of each  transaction  included  in  Other  Recent  Financings  since  the
Company's  restart  and has  taken  into  account  the  merits  of the  specific
transaction,  the Company's  immediate and long-term  requirements for cash, and
alternatives, if any, available at the given time.

Mr. Cataldo was not a stockholder  and had no previous  contact with the Company
prior to the announced  wind-down of the business in April 2002. The independent
members of the Company's Board of Directors validated his references, determined
that he had the skills  required  to perform as  Chairman  of the Company in its
present condition, and offered him an agreement on May 10, 2002.

Mr.  Cataldo has known certain  investors or  principals  of certain  investment
funds that have provided  financing that has been aggregated  under Other Recent
Financings   prior  to  their  investment  in  the  Company  and  Mr.  Cataldo's
association with the Company as a result of his business experience and his role
in  managing  other  companies.  Specifically,  Mr.  Cataldo  has known Mr. Paul
Kessler,  as described  previously,  through a previous  company  managed by Mr.
Cataldo.  Additionally,  Mr.  Cataldo  has no  beneficial  ownership  rights  or
affiliations with any of the individual  investors that have provided  financing
included  in  Other  Recent  Financings.  Mr.  Cataldo  has  used  his  business
relationships to locate potential accredited investors.

Mr.  Cataldo  receives no  consideration  or payment  from either the Company or
investors as a result of any financing included in Other Recent Financings.  Mr.
Cataldo's compensation is recited in his employment agreement

To  date,  to the best of the  Company's  knowledge,  all  investors  that  have
provided financing  included in Other Recent Financings are offshore  investors.
Additional  new  investors  not  providing  a portion of the initial May 2002 or
subsequent  Other Recent  Financings may provide  financing in the future and be
aggregated under the heading Other Recent Financings.

There can be no  assurance  that the terms of the  additional  capital  that the
Company  requires  will be made  available  to the Company on a timely basis and
there can be no assurance  that such  capital  will be  available on  acceptable
terms, if at all. Any failure to secure  additional  financing on a timely basis
will place the Company in significant financial jeopardy.

The following table  summarizes  Calypte's Recent  Financings  through April 30,
2003: (Table in thousands, except share price and per share data.)


                                      -25-





                 CALYPTE BIOMEDICAL CORPORATION AND SUBSIDIARY
                                                                                                      SHARES          SHARES
                                                    GROSS        NET                    CALYPTE     ISSUED (000)/   ISSUABLE AT
                                    CONVERSION      AMOUNT      AMOUNT    TRANSACTION   CLOSING        $000       APRIL 30, 2003
INVESTOR (1)                         FEATURE         $000        $000        DATE        PRICE       REDEEMED           (2)
- ------------                         -------         ----        ----        ----        -----       --------           ---
                                                                                                   

BRISTOL:                           Lesser of (i)      $425                  2/11/02        $0.25     4,462/ $60
- --------
12% CONVERTIBLE DEBENTURE             60% of the                                                    9,227/ $150
- -------------------------
($850,000 TOTAL COMMITMENT)           average of                                                      2,225/$63
- ---------------------------
                                        lowest 3                                                      2,072/$55
                                         trading                                                      6,267/$97
                                   prices for 22                                                     6,329/$100
                                  days preceding                                                      (1,173)/0
                                                                                                            (7)
                                   conversion or      $100                  5/10/02        $0.03                     25.6 million
                                                      ----
                                  (ii) $0.05 (7)      $525        $468
                                                      ====        ====

Class A Warrant                    Lesser of (i)        $0          $0      2/11/02        $0.25               0      1.7 million
                                      70% of the
                                      average of
                                        lowest 3
                                         trading
                                   prices for 20
                                            days
                                       preceding
                                   conversion or
                                     (ii) $0.115 per share
Class B Warrant                    Lesser of (i)        $0          $0      2/11/02       $ 0.25               0     12.0 million
                                      70% of the
                                      average of
                                        lowest 3
                                         trading
                                     pricing for
                                         20 days
                                       preceding
                                   conversion or
                                    (ii) $0.215.

OTHER RECENT FINANCINGS: (3)
8% CONVERTIBLE NOTES              Lesser of
Alpha Capital Aktiengesellshaft     (i) $0.10 or      $500                  5/24/02      $ 0.12
Stonestreet Limited Partnership      (ii) 70% of      $500                  5/24/02      $ 0.12
Filter International Ltd.            the average      $150                  5/24/02      $ 0.12
Camden International Ltd.               of the 3      $250                  5/24/02      $ 0.12      4,324/ $70
Camden International Ltd.                 Lowest      $100                  5/24/02      $ 0.12
Domino International Ltd.          trades for 30      $150                  5/24/02      $ 0.12      4,324/ $70
Thunderbird Global Corporation              Days      $ 75                  5/24/02      $ 0.12
BNC Bach International Ltd.            Preceding      $200                  5/24/02      $ 0.12
Excalibur Limited Partnership         Conversion      $200                  5/24/02      $ 0.12     4,114/ $100
Standard Resources Ltd.                               $100                  5/24/02      $ 0.12
SDS Capital International Ltd.                        $300                  7/10/02      $ 0.34
Camden International Ltd.                             $100                  7/10/02      $ 0.34
Excalibur Limited Partnership                         $250                  7/24/02      $ 0.22
Stonestreet Limited Partnership                       $250                  8/21/02      $ 0.13
                                                      ----
                                                    $3,125      $2,594                                             257.6 million
                                                    ======      ======



                                      -26-


                  CALYPTE BIOMEDICAL CORPORATION AND SUBSIDIARY
                                                                                                      SHARES          SHARES
                                                    GROSS        NET                    CALYPTE     ISSUED (000)/   ISSUABLE AT
                                    CONVERSION      AMOUNT      AMOUNT    TRANSACTION   CLOSING        $000       APRIL 30, 2003
INVESTOR (1)                         FEATURE         $000        $000        DATE        PRICE       REDEEMED           (2)
- ------------                         -------         ----        ----        ----        -----       --------           ---



8% CONVERTIBLE DEBENTURES
- -------------------------
Su So                                 80% of the      $100         $85      6/17/02       $0.14     1,100 (4)/                0
                                    lower of the                                                          $100
                                         average
                                     closing bid
                                    or trade
                                  price for the
                                          5 days
                                       preceding
                                     conversion,
                                    but not less
                                      than $0.10

Jason Arasheben                       70% of the      $100         $85      7/03/02       $0.27       475 (4)/                0
                                    lower of the                                                          $100
                                         average
                                     closing bid
                                    or trade
                                  price for the
                                          5 days
                                       preceding
                                     conversion,
                                    but not less
                                      than $0.10
10% CONVERTIBLE NOTE
- --------------------
BNC Bach International Ltd.           50% of the      $150      $150      5/14/02           $0.14        0/$24      9.9 million
(Note: on 7/14/02 the maturity        average of                                       $0.36 on
date was extended until             the 3 lowest                                         7/14/02;
12/31/02; on December 27,            closing bid                                       $0.064 on
2002, the maturity date was        prices for 22                                        12/27/02;
extended until January 15,                  days                                        $0.060 on
2003; on January 15, 2003 the          preceding                                       1/15/03;
maturity date was subsequently        conversion                                       $0.050 on
extended until March 17, 2003,               (8)                                         3/17/03;
on March 17, 2003 the maturity                                                          $0.033 on
date was extended until April                                                          4/2/03;
4, 2003; on April 2, 2003, the                                                         $0.0249
maturity date was subsequently                                                         on 4/30/03
extended until May 5, 2003; on
April 30, 2003, the maturity
date was subsequently extended
to May 10, 2004 (8)

12% CONVERTIBLE DEBENTURES
- --------------------------
Mercator Momentum Fund, L.P. ($2.0    85% of the      $550      $345 (5)  9/12/02         $0.10       500 (4)/    147.1 million
million total commitment)             average of                                                            $0
                                    the 3 lowest
                                         trading
                                      prices for
                                          the 20
                                    trading days
                                       preceding
                                      conversion
                                             (9)

Mercator Momentum Fund, L.P.          80% of the      $300        $260     10/22/02       $0.13    0/ $300 (6)                0
                                      average of
                                    the 3 lowest
                                         trading
                                      prices for
                                          the 20
                                    trading days
                                       preceding
                                     conversion,
                                    but not less
                                      than $0.05


                                      -27-


                 CALYPTE BIOMEDICAL CORPORATION AND SUBSIDIARY
                                                                                                      SHARES          SHARES
                                                    GROSS        NET                    CALYPTE     ISSUED (000)/   ISSUABLE AT
                                    CONVERSION      AMOUNT      AMOUNT    TRANSACTION   CLOSING        $000       APRIL 30, 2003
INVESTOR (1)                         FEATURE         $000        $000        DATE        PRICE       REDEEMED           (2)
- ------------                         -------         ----        ----        ----        -----       --------           ---


Mercator Momentum Fund L.P.           70% of the      $300        $245      4/29/03     $0.0275              0     26.8 million
                                      average of
                                    the 3 lowest
                                         trading
                                      prices for
                                          the 20
                                    trading days
                                       preceding
                                     conversion,
                                    but not more
                                      than $0.04

Mercator warrant                       $0.10 per        $0          $0     10/22/02       $0.13              0      3.0 million
                                           share
10% CONVERTIBLE DEBENTURES
- --------------------------
Mercator Focus Fund, L.P.             80% of the    $1,000        $510       1/13/03      $0.065            0      78.1 million
                                      average of                   (6)
                                    the 3 lowest
                                         trading
                                      prices for
                                          the 20
                                    trading days
                                       preceding
                                     conversion,
                                    but not more
                                      than $0.10

Mercator Momentum Fund, L.P.          80% of the      $450        $440       1/29/03      $0.056            0      35.2 million
                                      average of
                                    the 3 lowest
                                         trading
                                      prices for
                                          the 20
                                    trading days
                                       preceding
                                     conversion,
                                    but not more
                                      than $0.10
Mercator Focus Fund, L.P.                             $400                   3/13/03      $0.049            0      48.1 million
Mercator Momentum Fund III, L.P.      65% of the       100
                                      average of      $500        $400
                                    the 3 lowest
                                         trading
                                      prices for
                                          the 20
                                    trading days
                                       preceding
                                     conversion,
                                    but not more
                                      than $0.07

PIPE AT $0.05 PER SHARE
- -----------------------
Careen Ltd.                            $0.05 per      $200        $200    8/28/02         $0.16        4,000                  0
Caledonia Corporate Group                  Share
Limited                                               $200        $200    8/28/02         $0.16        4,000                  0



                                      -28-


                 CALYPTE BIOMEDICAL CORPORATION AND SUBSIDIARY
                                                                                                      SHARES          SHARES
                                                    GROSS        NET                    CALYPTE     ISSUED (000)/   ISSUABLE AT
                                    CONVERSION      AMOUNT      AMOUNT    TRANSACTION   CLOSING        $000       APRIL 30, 2003
INVESTOR (1)                         FEATURE         $000        $000        DATE        PRICE       REDEEMED           (2)
- ------------                         -------         ----        ----        ----        -----       --------           ---

TOWNSBURY EQUITY LINE
- ---------------------
November  2001 to December  31,          88% of      $3,359   $3,176      Sixteen                     25,673       0.02 million
2002                                     volume                            draws
                                       weighted
                                        average
                                   price during
                                      draw down
                                        pricing
                                         period

Townsbury Warrant - repriced         $0.015 per        $63        $63      5/10/02        $0.03       4,193                     0
from $0.27 per share on 5/10/02           share
                                                                           Total Shares Issuable                  645.12 million


         (1) The Bristol  debentures  and  warrants  and all of the Other Recent
Financings  were issued under  exemptions  provided by Regulation S. The Company
could  issue no  shares  under  the  equity  line  with  Townsbury  until it had
completed an effective  registration  for the  underlying  shares.  The warrants
issued to Townsbury were issued under an exemption provided by Regulation S.

       (2) Based on total  commitment  and market  prices as of April 30,  2003,
where  applicable.  The  market  price of  Calypte  stock on April 30,  2003 was
$0.0249  per share and the low market  price as defined  in the  agreements  was
approximately  $0.011 per share at 70%,  $0.013 at 80%, and $0.010 at 65%, based
on lowest  trading  prices in the previous 20 to 30 business days prior to April
30,  2003 and $0.013 per share at 60% based on the  average of the three  lowest
closing bid prices for the 22 trading days prior to April 30, 2003.

       (3) On February 14, 2003 the  registration  statement for $525,000 of the
Bristol  Debentures  became  effective.  We have  not yet  filed a  registration
statement for any of the Other Recent Financings.  Many of these financings have
requirements for registration and impose liquidated damages for delays beyond 30
days from the transaction  date allowed for  registration.  The convertible note
transactions  generally  require  liquidated  damages  at the  rate of 2% of the
original  principal  balance for each month's delay. The PIPE financing at $0.05
per share requires  liquidated  damages at the rate of 250,000 shares of Calypte
common  stock  for each 10 days of delay  beginning  November  27,  2002.  As of
February 14, 2003, the Company had incurred approximately $122,000 in liquidated
damages resulting from the delay in registration of the Bristol  Debentures and,
as of April 30, 2003,  approximately $637,000 in liquidated damages attributable
to the delay in the registration of the remaining financings. In most instances,
the investor has the option of  receiving  liquidated  damages in either cash or
the Company's  common stock,  although the PIPE  financing  agreement  specifies
damages  to be paid in stock.  As of April  30,  2003,  all of the  registration
penalty  provisions  have  been  triggered,  except  for  those in the  Mercator
agreements.  The Company  has issued  approximately  8.0  million  shares of its
common stock in payment of  liquidated  damages.  Based on current  prices,  the
payment of  liquidated  damages in stock as of April 30, 2003 would  require the
Company to issue approximately 48 million shares of its common stock. Liquidated
damages  attributable  to  registration  delays  on the  convertible  notes  and
debentures  continue to accrue at a rate of approximately  $63,000 per month (or
approximately  5.7  million  shares  at  current  prices)  plus  750,000  shares
attributable to the PIPE  transaction.  Additionally,  the holders of the $3.125
million original face value of our 8% convertible  notes now have the option, at
any time, to require the redemption of the outstanding principal and any accrued
interest as a result of the delay in registration of the notes.

       (4) Includes fee shares.

       (5)  Reflects  a 10%  cash  commitment  fee  on  the  entire  $2  million
commitment  paid to The Mercator  Group less  additional  fees and expenses.  An
additional $250,000 is available upon the filing of a registration statement and
an  additional  $500,000  within  5  days  following  the  effectiveness  of the
registration of shares  underlying $1.3 million of the $2.0 million  commitment.
The remaining $0.7 million available under the commitment will be available upon
the filing of a  registration  for the  associated  underlying  shares after the
debenture is at market risk.

       (6) In  conjunction  with the issuance of the $1 million 10%  convertible


                                      -29-




                 CALYPTE BIOMEDICAL CORPORATION AND SUBSIDIARY

debenture to Mercator  Focus Fund,  L.P., the Company used the proceeds to repay
the $0.3 million outstanding  principal balance of the 12% convertible debenture
previously  issued to Mercator  Momentum Fund, L.P. plus accrued  interest.  The
balance of costs incurred represents transactional and legal fees.

       (7)  Subsequent to the effective  date of the  registration  statement on
Form  S-2/A  (No.  6) File No. 333-84660 which registered shares of common stock
underlying  Bristol's $525,000 debenture, Bristol provided notice to the Company
that  it  intended  to convert a portion of its debenture and that the number of
shares  underlying  its  debenture  was subject to adjustment as a result of its
Security  Purchase  Agreement  with  the  Company. Based upon the foregoing, the
Company  determined  that  it  would  permit  Bristol to convert at the adjusted
conversion  rate,  which will, through March 31, 2003, result in the issuance of
approximately  0.6  million  additional  shares  of  common  stock,  subject  to
anti-dilution  provisions.  In  accordance  with  the  February  28, 2003 Letter
Agreement,  the  Company is required to issue the following additional shares to
Bristol: (1) an additional 0.796 million shares pursuant to Bristol's conversion
on  February  18,  2003  of  $150,000 principal amount of the debentures; (2) an
additional  0.212  million  shares pursuant to Bristol's conversion on March 10,
2003  of  $63,464  principal  amount  of debentures, and (3) an additional 0.290
million  shares  pursuant  to  Bristol's conversion on March 26, 2003 of $55,000
principal  amount  of  debentures,  for  a  total of an additional 1.298 million
shares.  The  70% Conversion Price used to determine the number of shares issued
pursuant  to  Bristol's  conversion  notices on March 31, 2003 and April 2, 2003
resulted  in the issuance of a greater number of shares than would have resulted
from  the  use  of  the  60%  Conversion Price. Specifically, the Company issued
shares  in excess of the 60% Conversion Price amount of (1) 1.880 million shares
pursuant  to  Bristol's conversion on March 31, 2003 of $96,566 principal amount
of  debentures  and (2) 0.590 million shares pursuant to Bristol's conversion of
$100,000  principal  amount  of  debentures, for a total of 2.470 million excess
shares.  The  excess  shares  issued  pursuant to the March 31 and April 2, 2003
conversions exceeds by 1.172 million shares the additional shares required to be
issued  pursuant  to  the February 18, March 10, and March 26, 2003 conversions.
This  table uses the 60% Conversion Price in estimating shares issuable at April
30,  2003,  excluding  any  potential  anti-dilution  adjustments.

       (8) On April 30, 2003,  when the market price of Calypte common stock was
$0.0249,  the Company and BNC Bach amended the  conversion  price to eliminate a
conversion  price  ceiling  of $0.05  per  share and to  increase  the  discount
applicable  to the  conversion  price  from  40% to  50%.  In  return  for  this
modification of the conversion  price, BNC Bach agreed to extend the maturity of
the note until May 10, 2004.

       (9) On March 31, 2003,  when the market price of Calypte common stock was
$0.0295,  the Company, amended the  conversion  price to  eliminate a conversion
price  floor of $0.05 per share in return for a 30-day  extension,  until May 5,
2003,  in which to register  the shares of common stock  underlying  the various
Mercator financings.


In May 2002,  Calypte issued warrants and options to purchase 19 million shares
of its  common  stock  under  agreements  with  consultants  to  perform  legal,
financial,  business advisory and other services  associated with the restart of
its operations. The warrants were issued at $0.015 per share on May 9, 2002 when
the market price of our common stock was $0.03 per share. The option was granted
at $0.03 per share on May 10,  2002,  when the market  price of our common stock
was $0.03 per share.  All of the warrant and option grants were  non-forfeitable
and  fully-vested  at the date of issuance and were registered for resale by the
consultants  under Form S-8.  The  consultants  exercised  all the  warrants and
options and Calypte issued 19 million shares and received  proceeds of $292,500.
All but one of the consulting  agreements  discussed above expired in August and
we have entered into new agreements for legal, financial, business advisory, and
other  services  including   introductions  and  arrangements  with  respect  to
potential  domestic  and  international   product   development  of  synergistic
relationships with appropriate public service  organizations.  In November 2002,
Calypte issued  warrants to purchase 28.5 million shares of our common stock and
stock grants for 2.1 million shares of our stock to consultants  under the terms
of these new agreements. The Company issued 10.5 million warrants at an exercise
price of $0.05 per share on November 1, 2002, when the market price of our stock


                                      -30-

                 CALYPTE BIOMEDICAL CORPORATION AND SUBSIDIARY

was $0.14 per share.  The Company issued an additional 18.0 million  warrants at
an exercise  price of $0.05 on November 20,  2002,  when the market price of our
common  stock was $0.09.  All of the  warrant  grants were  non-forfeitable  and
fully-vested  at the date of  issuance  and were  registered  for  resale by the
consultants  under Form S-8. By February 2003, the consultants had exercised all
the warrants and the Company had received  aggregate proceeds of $1.425 million.
The  Company  issued 29.6  million  shares of its common  stock  pursuant to the
exercises of the November 2002 warrant and stock grants.

During the first four months of 2003, the Company entered into new contracts and
extended  certain  other  contracts with existing consultants to perform various
legal,  business  advisory,  business development and introductory services, and
marketing  and distribution functions similar to those entered into during 2002.
On February 14, 2003,  when the market price of the Company's  stock was $0.067,
the Company issued warrants to purchase an aggregate of 22,000,000 shares of its
common  stock at $0.05 per share and stock  grants of an  aggregate of 7,650,000
shares of its common  stock as  compensation  for these  services.  During March
2003,  when the market price of the Company's stock ranged from $0.044 to $0.050
per  share,  the  Company issued warrants to purchase an aggregate of 38,240,000
shares  of its common stock at $0.025 per share and stock grants of an aggregate
of  401,923  shares  of its common stock as compensation for these services. The
warrants were non-forfeitable and fully-vested at the date of issuance. In April
2003,  when  the  market  price  of  the  Company's stock ranged from $0.0270 to
$0.0295  per  share,  the Company entered into additional contracts for services
and  issued  warrants to purchase an aggregate of 9,000,000 shares of its common
stock at $0.025 per share and issued stock grants for an aggregate of 30,700,000
shares  of its common stock as compensation for these services. The Company also
issued  6,072,000  and  5,017,987  shares of its common stock in satisfaction of
approximately  $241,000  and $132,000 in trade payables in March and April 2003,
respectively,  to  service  providers  who agreed to accept stock in payment. At
April  30,  2003,  the consultants had exercised warrants to purchase 60,240,000
shares  of  the  Company's common stock and the Company had received proceeds of
$1,956,000.

In  order  to  conserve cash and to obtain services, the Company may continue to
issue  options  and  warrants at significant discounts to market or issue direct
stock  grants  in  return  for  necessary consulting services. The Company would
subsequently  register  the  underlying  shares  on a Form S-8 for resale by the
consultants.

Restructure of Trade Debt

On February 12, 2002, the Company  completed a  restructuring  of  approximately
$1.7 million of its past due accounts  payable and certain 2002 obligations with
27  of  its  trade  creditors.  Under  the  restructuring,  the  Company  issued
approximately  1.4  million  shares of its common  stock at  various  negotiated
prices per share with the trade creditors in satisfaction of the specified debt.
The issuance of shares was exempt from registration  pursuant to Regulation D of
the  Securities  Act.  The shares  issued are now  eligible for resale under the
provisions of Rule 144.

The Company  does not believe that its  currently  available  financing  will be
adequate to sustain  operations at current  levels through the second quarter of
2003, or to permit it to achieve the revenue and profitability guidance provided
previously.  The Company must achieve  profitability  for its business  model to
succeed.  Prior to  accomplishing  this goal,  it will need to raise  additional
funds,  from equity or debt  sources. The Company  believes that it will need to
arrange additional  financing of at least $10 million in the next twelve months.
If additional  financing is not  available  when required or is not available on
acceptable  terms,  the  Company  may be unable to continue  its  operations  at
current  levels,  or at all. As of March 31,  2003,  the Company  reported  cash
on-hand of $294,000.  During the first quarter of 2003,  cash receipts  exceeded
cash expenditures by $147,000, but trade payables and accrued expenses increased
by $139,000.  The Company is actively engaged in seeking additional financing in
a variety of venues and  formats and  continues  to impose  actions  designed to
minimize  its   operating   losses.   The  Company  would   consider   strategic
opportunities, including investment in the Company, a merger or other comparable
transaction,  to sustain its operations. The Company does not currently have any
agreements in place with respect to any such  strategic  opportunity,  and there
can be no assurance that additional  capital will be available to the Company on
acceptable  terms,  or at all.  The  Company's  inability  to obtain  additional
financing  or to  arrange a  suitable  strategic  opportunity  will  place it in
significant financial jeopardy.

The Company's future liquidity and capital  requirements will depend on numerous
factors,  including the ability to raise  additional  capital in a timely manner
through additional  investment,  a potential merger, or similar transaction,  as
well as expanded market acceptance of its current products,  improvements in the
costs and efficiency of its manufacturing  processes, its ability to develop and
commercialize   new   products,   regulatory   actions  by  the  FDA  and  other
international regulatory bodies, and intellectual property protection.

Our  independent  auditors  continue  to issue an  opinion  indicating  that our
                                      -31-



                 CALYPTE BIOMEDICAL CORPORATION AND SUBSIDIARY

recurring  losses  from   operations,   our  working  capital  deficit  and  our
accumulated  deficit raise  substantial  doubt about our ability to continue our
business  operations  as a going  concern.  There can be no  assurance  that the
additional  capital that the Company  requires  will be available on  acceptable
terms,  if at all.  Any failure to secure  additional  financing  will place the
Company in significant financial jeopardy. Therefore, the Company cannot predict
the  adequacy of its capital  resources  on a long-term  basis.  There can be no
assurance  that  the  Company  will  be  able  to  achieve  improvements  in its
manufacturing  processes or that it will achieve  significant  product  revenues
from its  current  or  potential  new  products.  In  addition,  there can be no
assurance that the Company will achieve or sustain profitability in the future.

OPERATING ACTIVITIES
- --------------------

During the quarters ended March 31, 2003 and 2002, the Company used cash of $2.8
million and $1.2 million,  respectively, in its operations. In both periods, the
cash used in operations was primarily for manufacturing, promoting and marketing
the  Company's  complete  urine-based  HIV-1 testing  method,  and for research,
selling, and general and administrative expenses of the Company.


NEW ACCOUNTING PRONOUNCEMENTS
- ------------------------------

In April 2002, the FASB issued SFAS No. 145,  "Rescission of FASB Statements no.
4, 44, and 64,  Amendment of FASB Statement No. 13, and Technical  Corrections."
SFAS No.  145  requires  gains  and  losses  from  extinguishment  of debt to be
classified as an extraordinary item only if the criteria in APB No. 30 have been
met.   Further,   lease   modifications   with  economic   effects   similar  to
sale-leaseback  transactions  must  be  accounted  for in  the  same  manner  as
sale-leaseback  transactions.   While  the  technical  corrections  to  existing
pronouncements  are not substantive in nature, in some instances they may change
accounting practice. SFAS No. 145 became effective for the Company on January 1,
2003.  While  this  standard  does not have a material  impact on the  Company's
consolidated  financial  position  or results of  operations,  it  requires  the
reclassification in 2003 as ordinary items certain  previously-recognized gains,
such as the gain on the  restructure  of trade  debt  and on the  repurchase  of
beneficial  conversion  feature upon early  extinguishment  of convertible debt,
previously classified as extraordinary.

In June 2002,  the FASB issued SFAS No. 146,  "Accounting  for Costs  Associated
with  Exit or  Disposal  Activities."  SFAS No.  146  addresses  accounting  and
reporting for costs associated with exit and disposal  activities and supercedes
Emerging  Issues Task Force Issue No. 94-3 (EITF 94-3),  "Liability  Recognition
for Certain  Employee  Termination  Benefits and Other Costs to Exit an Activity
(including  Certain Costs Incurred in a  Restructuring)."  SFAS No. 146 requires
that a liability  for a cost  associated  with an exit or  disposal  activity be
recognized  when the liability is incurred,  as defined by the Statement.  Under
EITF 94-3,  an exit cost was  recognized  at the date an entity  committed to an
exit plan.  Additionally,  SFAS No. 146 provides  that exit and  disposal  costs
should be  measured  at fair  value and that the  associated  liability  will be
adjusted for changes in estimated cash flows. The provisions of SFAS No. 146 are
effective for exit and disposal activities that are initiated after December 31,
2002.  Management does not expect this standard to have a material impact on the
Company's consolidated financial position or results of operations.

On December 31, 2002, the FASB issued SFAS No. 148,  "Accounting for Stock-Based
Compensation  -  Transition  and   Disclosure",   which  amends  SFAS  No.  123,
"Accounting for  Stock-Based  Compensation".  SFAS No. 148 provides  alternative
methods of transition  for a voluntary  change to the fair value based method of
accounting for  stock-based  employee  compensation.  Under the fair value based
method, compensation cost for stock options is measured when options are issued.
In addition,  SFAS No. 148 amends the disclosure requirements of SFAS No. 123 to
require more prominent and more frequent  disclosures in financial statements of
the effects of  stock-based  compensation.  The  transition  guidance and annual
disclosure  provisions of SFAS No. 148 were  effective for the Company's  fiscal
year ended  December 31, 2002. The interim  disclosure  provisions are effective
for the financial  statements  issued for the quarters  ended March 31, 2003 and
thereafter and are included herein.  The Company's  adoption of SFAS No. 148 did
not have a significant impact on its consolidated financial statements.


                                      -32-


                 CALYPTE BIOMEDICAL CORPORATION AND SUBSIDIARY


FACTORS THAT MAY AFFECT FUTURE RESULTS, EVENTS OR PERFORMANCE
- -------------------------------------------------------------

RISK FACTORS

Calypte has  identified  a number of risk factors  faced by the  Company.  These
factors, among others, may cause actual results, events or performance to differ
materially from those expressed in any  forward-looking  statements made in this
Form 10-Q or in press releases or other public disclosures.  Investors should be
aware of the existence of these factors.

                    RISKS RELATED TO OUR FINANCIAL CONDITION

If We are Unable to Obtain Additional Funds We May Have to Significantly Curtail
the Scope of Our Operations and Alter Our Business Model.

We do not believe that our  currently  available  financing  will be adequate to
sustain  operations at current  levels through the second quarter of 2003 unless
new financing is arranged.  Although,  from May 10, 2002 through March 31, 2003,
we have  completed  new  financings  in which we have  received an  aggregate of
approximately  $8.7 million,  exceeding the initial $5 million letter  agreement
commitment,  we do not  know if we will  succeed  in  raising  additional  funds
through  further  offerings  of  debt or  equity.  We  must  ultimately  achieve
profitability  for our business model to succeed.  Prior to  accomplishing  this
goal, we believe that we will need to arrange  additional  financing of at least
$10 million to sustain our operations  for the next twelve months.  There can be
no assurance that subsequent additional financings will be made available to the
Company  on a timely  basis  or that the  additional  capital  that the  Company
requires  will be  available  on  acceptable  terms,  if at all.  The terms of a
subsequent  financing  may  involve a change  of  control,  require  stockholder
approval, and/or require the Company to obtain waivers of certain covenants that
are contained in existing agreements.

As of March 31, 2003 our cash on hand was $294,000.  We are actively  engaged in
seeking additional  financing in a variety of venues and formats and we continue
to impose actions designed to minimize our operating  losses.  We would consider
strategic opportunities,  including investment in the Company, a merger or other
comparable transaction,  to sustain our operations. We do not currently have any
agreements in place with respect to any such  strategic  opportunity,  and there
can be no assurance that such  opportunity will be available to us on acceptable
terms,  or at all. If additional  financing is not available when required or is
not  available  on  acceptable  terms,  or we are  unable to  arrange a suitable
strategic  opportunity,  it will  place the  Company  in  significant  financial
jeopardy and we may be unable to continue our operations at current  levels,  or
at all.

Our Independent  Auditors have Stated that Our Recurring  Losses from Operations
and Our  Accumulated  Deficit  Raise  Substantial  Doubt  about Our  Ability  to
Continue as a Going Concern.

The  report  of  KPMG LLP dated February 7, 2003, except Note 20, which is as of
March 24, 2003, covering the December 31, 2002 consolidated financial statements
contains  an  explanatory  paragraph  that states that our recurring losses from
operations  and accumulated deficit raise substantial doubt about our ability to
continue  as  a  going  concern.  The  consolidated  financial statements do not
include  any adjustments that might result from the outcome of that uncertainty.
We  will  need to raise more money to continue to finance our operations. We may
not  be  able to obtain additional financing on acceptable terms, or at all. Any
failure  to  raise  additional  financing  will  likely  place us in significant
financial  jeopardy.

Our Prior Announcement that We Would be Winding Down Our Business Operations May
Have A Detrimental Effect on Our Business.

During  the first  quarter of fiscal  year 2002,  our  financial  condition  and
availability of operating funds deteriorated significantly, to the point that in
early April 2002, it was  determined  that we would need to curtail our business
operations and possibly consider filing for bankruptcy protection.  We announced
that our financial  condition had reached a critical  point in mid April 2002 at
which time we publicly announced and began the process of furloughing  employees
as a part of the winding down of our business operations.  We had announced that
the complete  cessation of our business  operations was a likely  possibility at
that time.  Subsequently,  in May of 2002,  before we finalized the winding down
process, we received a commitment for sufficient  additional  financing to allow
us  to  resume our operations. The winding down of operations and the subsequent
recommencement  of  our business did not have a materially adverse effect on the
majority  of  our  relationships  with  suppliers and customers, however, we did
incur  certain  non-recurring costs associated with the restart of operations in
our  second  quarter  and  expect  that  these  costs  will continue through the
mid-2003.  Additionally,  we experienced certain instances of delay in obtaining
materials  required  for  our manufacturing processes as a result of the need to
                                      -33-


               CALYPTE BIOMEDICAL CORPORATION AND SUBSIDIARY


develop  payment   arrangements  with  vendors  concerned  about  our  financial
stability.  Most of our  supply  arrangements  with our  materials  vendors  are
currently  on a cash-only  basis,  and some  require the  repayment  of past due
amounts in addition to payment for current orders.  Although to date we have not
seen a significant  adverse effect from our prior  announcement  of winding down
and our  subsequent  recommencement  of our business,  there can be no assurance
that it will not have an adverse  effect on our  future  revenues  and  customer
base. If we are unable to re-establish our manufacturing  efficiency,  including
the ability to procure an orderly flow of manufacturing  materials and supplies,
we may subsequently have difficulty fulfilling orders and maintaining customers.

Our Financial  Condition has  Adversely  Affected Our Ability to Pay  Suppliers,
Service  Providers  and  Licensors  on a Timely Basis Which May  Jeopardize  Our
Ability to Continue Our Operations and to Maintain  License Rights  Necessary to
Continue Shipments and Sales of Our Products.

We have engaged in negotiations with our creditors to restructure and reschedule
our  payment  of  certain  obligations.  On  February  12,  2002,  we  closed  a
restructuring  of  approximately  of $1.7  million of our trade debt,  including
approximately  $1.0  million  of  royalty  obligations,  pursuant  to  which  27
creditors  agreed to  discharge  such debt and minimum  royalty  obligations  in
exchange for a total of 1.4 million shares of our common stock.  As of March 31,
2003 our accounts  payable totaled $3.4 million,  of which $3.1 million was over
sixty  days  old.  We  currently  have  primarily  cash-only  arrangements  with
suppliers and certain  arrangements require that we pay down certain outstanding
amounts due when we make a current payment. These past due payments vary monthly
depending  on the  items  purchased  and range  from  approximately  $50,000  to
$200,000  per  month.  As of March 31,  2003 we have  accrued  an  aggregate  of
approximately  $464,000 in royalty  obligations to our key patent licensors,  of
which  approximately  $242,000 were past due.  Although we anticipated that past
due royalties  could be brought  current by the end of 2002 under agreed payment
plans, we have been unable to remain current on our royalty payment  obligations
through March 31, 2003. The licenses  attributable to past due royalty  payments
relate to  technology  utilized  in both our urine  EIA  screening  test and our
supplemental  urine and  serum  tests.  Because  of the  interdependence  of the
screening and supplemental tests in our testing algorithm,  the inability to use
any one of the patents could result in the disruption of the revenue stream from
all of our products.  If we are unable to obtain additional  financing on timely
and acceptable terms, our ability to make payment on past due negotiated royalty
obligations,  make timely payments to our critical suppliers,  service providers
and to  licensors  of  intellectual  property  used  in  our  products  will  be
jeopardized and we may be unable to obtain critical supplies and services and to
maintain licenses necessary for us to continue to manufacture, ship and sell our
products. We have not made any royalty payments since the end of 2002.

Additionally,  certain  vendors  and  service  providers  with  whom we have not
currently  arranged  payment  plans have or may choose to bring suit against the
Company to recover  amounts  they deem owing,  as  described  in Part II, Item 1
Legal  Proceedings.  While we may  dispute  these  claims,  should the  creditor
prevail and if  additional  financing is not  available  when required or is not
available  on  acceptable  terms,  the  Company  will be placed  in  significant
financial  jeopardy and we may be unable to continue our  operations  at current
levels, or at all. Further, as described in Legal Proceedings, we have reached a
settlement  agreement  that  requires a total payout of $463,000 for prior legal
services beginning with a $50,000 payment due on June 15, 2003. The terms of the
settlement  require a payment of $20,000 per month plus a percentage  of our net
financings.  There are certain exceptions that may delay the payments subsequent
to June 15, 2003 for up to 3 months,  but should we default on the payment plan,
the  creditor may  exercise a  stipulated  judgement  against us, and if so, the
Company may be placed in significant  financial jeopardy and we may be unable to
continue our operations at current levels, or at all.

The Company and the Price of Our Shares May Be Adversely  Affected By the Public
Sale of a Significant Number of the Shares Eligible for Future Sale.

At March 31, 2003, approximately 212 million or 90% of the outstanding shares of
our  common  stock were  freely  tradable.  Sales of common  stock in the public
market could  materially  adversely affect the market price of our common stock.
Such  sales  also  may  inhibit  our   ability  to  obtain   future   equity  or
equity-related financing on acceptable terms.

From inception through March 31, 2003, the Company has issued  approximately 236


                                      -34-


               CALYPTE BIOMEDICAL CORPORATION AND SUBSIDIARY



million shares and raised $99 million.  At a Special  Meeting of Stockholders on
February  14,  2003,  our  stockholders  approved  an  increase in the number of
authorized shares of the Company's common stock from 200 million to 800 million.
The continuing need to raise  additional funds through the sale of equity in the
Company will likely result in the issuance of a significant  number of shares of
common stock in relation to the number of shares currently  outstanding.  In the
past,  we have raised  money  through the sale of shares of our common  stock or
through debt  instruments  that may convert into shares of our common stock at a
discount to the current  market  price.  Such  arrangements  have  included  the
private  sale of shares to  investors  on the  condition  that we register  such
shares for resale by the investors to the public.  These arrangements have taken
various  forms  including  private  investments  in  public  equities  or "PIPE"
transactions,  equity lines of credit, and other transactions  summarized in the
table  included in the "Financing  Activities"  section of Liquidity and Capital
Resources in this document.

We will  continue  to seek  financing  on an  as-needed  basis on terms that are
negotiated in arms-length transactions. Moreover, the perceived risk of dilution
may cause our existing  stockholders  and other  holders to sell their shares of
stock,  which would contribute to a decrease in our stock price. In this regard,
significant  downward  pressure on the trading price of our stock may also cause
investors  to  engage  in  short  sales,   which  would  further  contribute  to
significant downward pressure on the trading price of our stock.

We Have Incurred Losses in the Past and We Expect to Incur Losses in the Future.

We have incurred  losses in each year since our inception.  Our net loss for the
three month period ended March 31, 2003 and the year ended December 31, 2002 was
$6.4 million and $13.3  million,  respectively  and our  accumulated  deficit at
March 31, 2003 was $107.7 million. We expect operating losses to continue for at
least  the  next  several  quarters  as we  continue  our  marketing  and  sales
activities for our  FDA-approved  products and conduct  additional  research and
development  for  product  and  process  improvements  and  clinical  trials  on
potential new products.

       RISKS RELATED TO OUR RECENT FINANCINGS -- OUR EQUITY LINE OF CREDIT
                       WITH TOWNSBURY AND THE CONVERTIBLE
 DEBENTURES AND WARRANTS AGREEMENT WITH BRISTOL AND THE OTHER RECENT FINANCINGS

We May be in Default In Payment of Principal and Interest Under the Terms of Our
Previously Issued 8% Convertible Notes.

On February 14, 2003 we completed the  registration  process for $525,000 of the
Bristol Debentures but we have not filed a registration  statement for any Other
Recent  Financings.  As described  more  completely  in footnote 3 to the Recent
Financings  table  in  Liquidity  and  Capital  Resources  above,  many of these
financings have requirements for registration and impose liquidated  damages for
delays  beyond  30  days  from  the  transaction   date  allowed  for  filing  a
registration statement or 90 days for the registration to be declared effective.
Additionally,  the holders of the original  face value of  $3,125,000  of the 8%
Convertible  Notes  have  the  right  to  demand  immediate   repayment  of  the
outstanding  principal balance plus accrued interest due to the non-registration
of the underlying shares.  Although none of the holders has demanded  repayment,
we may be  required  to repay the  outstanding  balance of  $2,885,000  prior to
maturity.  Accordingly, we have classified these notes as a current liability in
the accompanying consolidated financial statements.  The notes may be subject to
Rule 144 and $2.225 million of Other Recent  financings  will have been held for
one year on May 24, 2003. The convertible note  transactions  generally  require
liquidated  damages at the rate of 2% of the original principal balance for each
month's delay. The PIPE financing at $0.05 per share requires liquidated damages
at the rate of 250,000 shares of Calypte common stock for each 10 days of delay.
In most instances,  the investor has the option of receiving  liquidated damages
in either  cash or the  Company's  common  stock,  although  the PIPE  financing
agreement specifies damages to be paid in stock. Liquidated damages attributable
to  registration  delays on the  convertible  notes and  debentures  continue to
accrue  at a rate  of  approximately  $63,000  per  month  plus  750,000  shares
attributable to the PIPE transaction.

Our  "Recent  Financings"  and the  Issuance  of Shares  Pursuant to the "Recent
Financings" May Cause  Significant  Dilution to Our  Stockholders and May Have a
Negative Impact on the Market Price of Our Common Stock.

The resale by  Townsbury,  Bristol  and the  investors  providing  Other  Recent
Financings of the common stock that they purchase from us has increased and will


                                      -35-


               CALYPTE BIOMEDICAL CORPORATION AND SUBSIDIARY


continue to increase the number of our publicly  traded shares,  which could put
downward pressure on the market price of our common stock. As of March 31, 2003,
of the 236 million shares outstanding,  approximately one-third have been issued
pursuant to these recent financings.

As of March 31, 2003, while there are essentially no registered shares remaining
under the equity line, there is approximately  $6.6 million  remaining under the
commitment  and we  could  decide  to  file  a new  registration  statement  for
additional  shares and  continue  selling  shares of our common  stock under the
equity line.  Since all the shares we sell to Townsbury  would be available  for
immediate resale,  the mere prospect of our sales to Townsbury could depress the
market price for our common  stock.  The shares of our common stock  issuable to
Townsbury  under  the  equity  line  facility  would be sold at 88% of the daily
volume  weighted  average  price of our  common  stock  on the date of  purchase
subject to adjustment if our market capitalization increases significantly.

Similarly, the shares of our common stock issuable to Bristol upon conversion of
the $850,000 debenture  commitment will be issued at a price equal to the lesser
of 70% of the average of the 3 lowest  trading prices of our common stock during
the 20 trading  days  immediately  preceding  the  conversion  or exercise or at
$0.115 per share,  subject to adjustment per the Securities  Purchase Agreement.
As  described  in Note 5 to the  financial  statements  and in footnote 7 to the
Recent Financings table in Liquidity and Capital Resources,  we have reduced the
conversion price for $790,000 of the debenture  commitment that may be converted
into the  underlying  shares of common  stock  after  the  effectiveness  of the
registration  statement to 60% of the average of the 3 lowest closing bid prices
for the 22 trading days preceding conversion, but not more than $0.05 per share.
Bristol has funded  $525,000 of the $850,000  commitment and we have  registered
30.3 million shares for resale upon debenture conversions. At this time, we have
not registered the shares underlying the remaining $325,000 debenture commitment
nor the 13.7 million shares underlying the Class A and B warrants.  However,  we
could be required to register  the  underlying  shares if these  securities  are
funded.  By April 2, 2003,  Bristol had converted the entire $525,000  principal
amount of  debentures  funded and we had issued  30.6  million  shares  upon the
conversions  plus  interest  and  liquidated  damages.  Based on current  market
prices, the exercise of the remaining debenture commitment and the Class A and B
warrants would result in the issuance of an additional 39 million shares.

Further,  the  investors  that  have  provided  Other  Recent  Financings,  with
agreements in place, have the ability to convert their Notes and Debentures, and
their related warrant  shares,  into an additional 645 million shares based upon
the market  price of our common stock as of March 31,  2003.  Additionally,  the
Company  has issued  22.8  million  restricted  shares of common  stock to these
investors.  The  common  stock and the  common  stock  underlying  the notes and
debentures  issued  to the  investors  providing  Other  Recent  Financings  are
unregistered,  however  they may be subject  to Rule 144 and  $2.225  million of
Other Recent financings will have been held for one year on May 24, 2003. All of
the  agreements  include  ownership  limitations  by the  investors  that  would
prohibit  a change  of  control.  None of the  Other  Recent  Financings  permit
ownership  by the  respective  investors  of more  than  9.9%  of the  Company's
outstanding  stock without the Company's  agreement.  These notes and debentures
are convertible at discounts to the market price of our common stock.

If we were to require  Townsbury to purchase our common stock at a time when our
stock price is low,  our  existing  stockholders  would  experience  substantial
dilution. If Bristol or the investors in the Other Recent Financings convert the
shares  underlying  their  securities  when our stock price is low, our existing
stockholders would experience substantial dilution.

Refer to the table in Liquidity and Capital Resources for a summary of potential
dilution  as of  April  30,  2003 by  type of  security  related  to the  Recent
Financings.

Consequently,  the issuance of shares to Townsbury  subsequent  to the potential
filing of a new  registration  statement  for the equity  line  facility  and to
Bristol upon  conversion  and exercise of the debentures and warrants and to the
investors providing Other Recent Financings on the conversion of their Notes and
Debentures will dilute the equity interest of existing stockholders and, coupled
with the registration of restricted shares,  could have an adverse effect on the
market price of our common stock. In addition,  depending on the price per share
of our common stock during the life of these financings, we may need to register
additional  shares for resale to access the full amount of financing  available,
which could have a further dilutive effect on the value of our common stock.

The perceived risk of dilution may cause our  stockholders to sell their shares,
which would  contribute to a downward  movement in the stock price of our common


                                      -36-



               CALYPTE BIOMEDICAL CORPORATION AND SUBSIDIARY


stock.  Moreover,  the  perceived  risk of dilution and the  resulting  downward
pressure on our stock price could  encourage  investors to engage in short sales
of our  common  stock.  By  increasing  the number of shares  offered  for sale,
material amounts of short selling could further  contribute to progressive price
declines in our common stock.

We  Cannot   Determine  the  Precise  Amount  by  Which  the  Interests  of  Our
Stockholders  Will Be  Diluted by Draw  Downs and  Conversions  Under the Recent
Financings Because the Number, Size and the Timing of Draw Downs,  Debenture and
Warrant  Conversions,  and the Minimum  Threshold  Price for Each Depends Upon a
Number of Factors.

Although  at the  current  time  there  are  essentially  no  registered  shares
remaining under the equity line, there is approximately  $6.6 million  remaining
under the commitment.  We could decide to file a new registration  statement for
additional  shares and  continue  selling  shares of our common  stock under the
equity line. We have  substantial  discretion  and are also subject to mandatory
requirements  regarding the number,  size and timing of the draw downs under the
equity line and debt and  warrant  conversions  that will occur  pursuant to the
Bristol  debentures  and  warrants.  In  addition,  when we are not  subject  to
mandatory  draw  downs  under the equity  line,  at the time we make a draw down
request,  we have the right to limit the amount of  dilution  that will occur by
setting a minimum  threshold  price below  which  shares may not be sold in that
draw down. However, if we set the minimum threshold price at a level high enough
to limit the sale of our  shares,  the amount of funds we can raise in that draw
down  will  also be  reduced.  Some of the  factors  that  we will  consider  in
determining  the size and  amount of each draw  down and the  minimum  threshold
price are:

  o        our short-term and long-term operating capital requirements;

  o        our actual and projected revenues and expenses;

  o        our assessment of general market and economic conditions;

  o        our assessment of risks and opportunities in our targeted markets;

  o        the availability and cost of alternative sources of financing; and

  o        the trading price of our common stock and our expectations with
           respect to its future trading price.

Our  discretion  with  respect to the number,  size and timing of each draw down
request is also subject to a number of contractual limitations.  Conversely,  we
have  little  discretion  regarding  the  timing of  conversion  of the  various
convertible  debenture  and note  instruments  we have  issued and the  ultimate
number of shares  that we may have to issue  upon  their  conversion.  While the
investors who hold these notes and  debentures  may consider some of the factors
above,  they  will  make  conversion  decisions  based on their  own  investment
strategies and requirements, which may not include consideration of the dilutive
impact of their  conversions.  Accordingly,  it may be  difficult to predict the
number of shares of our common  stock  that will be sold on the  public  market,
which may adversely affect the market price of our common stock.

We  Cannot  Determine  the  Precise  Amount  by  Which  the  Interests  of Other
Stockholders  Will be  Diluted  by Sales of Our  Common  Stock  Under the Recent
Financings  Because the Number of Shares We Will Issue  Depends Upon the Trading
Price of the Shares During each Equity Line Draw Down and  Debenture  Conversion
Period.

The number of shares that we will issue is directly related to the trading price
and  volume of our common  stock  preceding  and during  each draw down and debt
conversion period. If the price of our common stock decreases,  and if we decide
to or are  required  to draw  down on the  equity  line  of  credit,  we will be
required to issue more shares of our common  stock for any given  dollar  amount
invested by  Townsbury.  Similarly,  the number of shares  issuable  pursuant to
conversions of the debenture and the exercise of the Class B warrants  increases
as the trading  price of our common  stock  decreases,  although  such number of
shares is subject to a minimum  equal to 12.5% of the trading  volume for the 60
trading days  immediately  preceding the date of conversion up to a maximum of 2
million  shares  per  month,  which  maximum  may  be  waived  by  the  Company.
Accordingly,  investors may find it difficult to predict the number of shares of
our common stock that will be sold on the public  market and which may adversely
affect the market price of our common stock.

The Sale of Material  Amounts of Our Common  Stock Could Reduce the Price of Our
Common Stock and Encourage Short Sales.

                                      -37-


               CALYPTE BIOMEDICAL CORPORATION AND SUBSIDIARY


As we issue shares of our common stock pursuant to the Recent Financings and the
investors then resell the common stock,  our common stock price may decrease due
to the  additional  shares  in the  market.  If the  price of our  common  stock
decreases, and if investors convert the notes or debentures and resell the stock
they receive upon conversion as we either register the underlying  shares or the
underlying  shares  qualify for sale under Rule 144, or if we decide to register
additional  shares so that we may  continue  to draw down on the equity  line of
credit,  or as we are required to issue shares upon  conversions  of the Bristol
debentures and Class B warrants, we will be required to issue more shares of our
common stock for any given dollar  amount  invested.  This may  encourage  short
sales,  which could place further  downward  pressure on the price of our common
stock.

Because  the  Investors  in the  Recent  Financings  are  Residents  of  Foreign
Countries,  It May be Difficult  or  Impossible  to Obtain or Enforce  Judgments
Against Them and the  Investors  are also  Subject to United  States and Foreign
Laws that Could Affect Our Ability to Access the Funds.

Townsbury,  Bristol, and the unaffiliated  investors who have provided the Other
Recent  Financings  are off-shore  investors and a substantial  portion of their
assets  are  located  outside  of the  United  States.  As a  result,  it may be
difficult or impossible to effect service of process on the investors within the
United  States.  It may also be difficult  or  impossible  to enforce  judgments
entered  against the  investors  in courts in the United  States  based on civil
liability  provisions of the securities laws of the United States.  In addition,
judgments  obtained in the United States,  especially  those  awarding  punitive
damages, may not be enforceable in foreign countries.

As overseas  investment  funds,  the investors are also subject to United States
and foreign laws  regulating  the  international  flow of currency over which we
have no control and which could affect the  availability of the funds. Any delay
in our ability to receive funds under the Recent  Financings when expected could
prevent  us  from  receiving  necessary  capital  and  place  us in  significant
financial jeopardy.

Under the Terms of Our Recent Financings We Have or May Have to Grant Partial or
Complete Liens On Substantially All of Our Assets.

In the event of a default  under the  terms of  securities  purchase  agreements
obtained as part our Recent  Financings to date and in the future,  the security
holders can typically  foreclose on the security interest in our assets. If this
were to happen,  we may be required to file a petition  under  Chapter 11 of the
Bankruptcy Code seeking protection, or file under Chapter 7 and liquidate.

If the Price or the Trading Volume of Our Common Stock Does Not Sustain  Certain
Levels,  We Will be  Unable to Raise All or  Substantially  All of the  Expected
Proceeds  Under Our  Recent  Financings,  Which  May  Force Us to  Significantly
Curtail the Scope of Our Operations and Alter Our Business Plan.

The maximum  amount of a draw down under the  Townsbury  equity line facility is
equal to a formula  based upon the weighted  average  price for our common stock
and its trading  volume during the 60 calendar day period  immediately  prior to
the date that we deliver notice to Townsbury of our intention to exercise a draw
down,  multiplied by the number of days in the draw down period.  We are allowed
to exceed  the  maximum  draw down  amount  only if we agree to set the  minimum
threshold  price of the draw down,  which is the stock price below which we will
not draw down on the equity line, at 80% of the average of the five daily volume
weighted  average  prices  immediately  prior to the  issuance  of the draw down
notice.  Days on which the price of our  common  stock is less than the  minimum
threshold  price will be excluded from the  calculation  of the draw down amount
and will therefore reduce the amount of funds that we may draw down.

As a result,  if our stock price and trading  volume fall below certain  levels,
then either the  maximum  draw down amount  formula or the  mandatory  threshold
price will  probably  prevent  us from  being able to draw down all $10  million
pursuant to the Townsbury  equity line facility.  At current  trading volume and
pricing  levels,  and if we  register  additional  shares,  we  could  draw  the
remaining  $6.6 million  commitment  under the line.  However,  should volume or
price  decrease,  we might not be able to access the full line.  The  commitment
expires on October 23, 2003.

                                      -38-


               CALYPTE BIOMEDICAL CORPORATION AND SUBSIDIARY


Similarly, the amount of funds that we may receive upon exercise of the warrants
issued to Bristol in  conjunction  with the  convertible  debentures is likewise
limited by our  trading  volume.  We issued two types of  warrants to Bristol --
Class A and Class B warrants.  Bristol has sole  discretion over the exercise of
the Class A warrants.  However,  provided there is an effective registration for
the shares underlying the debentures and Class A and B warrants,  Bristol may be
obligated to exercise the Class B warrants  whenever it converts the  debentures
and it is  obligated  to convert the  debentures  each month at a rate that will
result in the  exercise  of a number of  warrants  equal to at least 7.5% of the
trading  volume  of  our  shares  for  the 60  days  immediately  preceding  the
conversion.  The  exercise  price of the Class B warrants  is in turn set at the
lesser of 75% of the average of the three lowest  trading  prices for our common
stock for the twenty  trading days  immediately  preceding  the  conversion  and
exercise  and  $0.215  per  share,  subject  to  anti-dilution  adjustments  for
below-market  sales of our common stock.  Accordingly,  if the trading volume of
our  shares  does  not  reach  certain  levels  and  our  stock  price  declines
significantly,  the number of warrant  shares  that  Bristol may  exercise  upon
conversion of the debentures and the price that Bristol pays for such shares may
decrease and reduce the amount of funds that we may receive upon exercise of the
Class B warrants.

Therefore,  if our  trading  volume and stock  price  decline,  or if we fail to
register all shares  underlying  the  debentures  and warrants,  Bristol may not
completely  convert the debentures  and the warrants,  and we, at current market
prices,  may not receive the approximately  $0.8 million in expected proceeds at
March 31, 2003 from the issuance and conversions. Additionally, if we are unable
to draw down the full $10  million  under the equity  line  and/or  realize  the
expected  proceeds from the  debentures and warrants and we are unable to secure
alternative  financing,  we may have to curtail the scope of our  operations  as
contemplated by our business plan.

                RISKS RELATED TO THE MARKET FOR OUR COMMON STOCK

             RISK FACTORS ASSOCIATED WITH THE PROPOSED 1:30 REVERSE
             STOCK SPLIT SUBMITTED TO OUR STOCKHOLDERS FOR APPROVAL
                AT OUR ANNUAL MEETING SCHEDULED FOR MAY 20, 2003


There can be no assurance that the total market capitalization of Calypte common
stock (the aggregate value of all Calypte common stock at the then market price)
after the  proposed  Reverse  Stock  Split will be equal to or greater  than the
total market  capitalization before the proposed Reverse Stock Split or that the
per share market price of Calypte common stock following the Reverse Stock Split
will either equal or exceed the current per share market price.

There can be no assurance  that the market price per new share of Calypte common
stock  after the  Reverse  Stock  Split will  remain  unchanged  or  increase in
proportion to the reduction in the number of old shares of Calypte  common stock
outstanding  before the Reverse  Stock Split.  For example,  based on the market
price of Calypte common stock on March 31, 2003 of $0.0295 per share,  following
a Reverse Stock Split in the ratio of one-for-thirty,  there can be no assurance
that the  post-split  market  price of Calypte  common stock would be $0.885 per
share or greater.

Accordingly,  the total market  capitalization of Calypte common stock after the
proposed  Reverse Stock Split may be lower than the total market  capitalization
before the proposed Reverse Stock Split and, in the future,  the market price of
Calypte common stock  following the Reverse Stock Split may not exceed or remain
higher than the market price prior to the proposed Reverse Stock Split.

If the Reverse Stock Split is implemented,  the resulting  per-share stock price
may not attract institutional  investors or investment funds and may not satisfy
the  investing  guidelines  of such  investors  and,  consequently,  the trading
liquidity of Calypte common stock may not improve.

While  the  Board of  Directors  believes  that a higher  stock  price  may help
generate  investor  interest,  there can be no assurance  that the Reverse Stock
Split will result in a per-share price that will attract institutional investors
or  investment  funds or that  such  share  price  will  satisfy  the  investing
guidelines of  institutional  investors or investment  funds.  As a result,  the
trading liquidity of Calypte common stock may not necessarily improve.

A decline in the market price of Calypte  common  stock after the Reverse  Stock
Split may result in a greater percentage decline than would occur in the absence
of a Reverse  Stock Split,  and the  liquidity of Calypte  common stock could be
adversely affected following such a Reverse Stock Split.

                                      -39-


               CALYPTE BIOMEDICAL CORPORATION AND SUBSIDIARY


If the Reverse  Stock Split is effected and the market  price of Calypte  common
stock  declines,  the percentage  decline may be greater than would occur in the
absence of a Reverse Stock Split. The market price of Calypte common stock will,
however,  also be based on Calypte's  performance  and other factors,  which are
unrelated to the number of shares outstanding.  Furthermore,  the reduced number
of  shares  that  would be  outstanding  after the  Reverse  Stock  Split  could
adversely affect the liquidity of Calypte common stock.

             OTHER RISKS RELATED TO THE MARKET FOR OUR COMMON STOCK

We Have Been Removed From the Nasdaq  SmallCap  Market and We Are  Uncertain How
Trading on the Over the Counter  Bulletin  Board Will Affect the  Liquidity  and
Share Value of Our Stock.

On July 13,  2001 our stock was  removed  from  trading on the  Nasdaq  SmallCap
Market as a result of the failure to comply with the Nasdaq  Stock  Market rules
that  required  the minimum bid price for our common  stock to exceed  $1.00 per
share and that we meet at least one of the following criteria:


     o    have net tangible assets equal at least $2.0 million;

     o    have market capitalization equal to $35.0 million in public float;
          or

     o    recognize net income of at least $500,000 in our most recent fiscal
          year or in two of our three previous fiscal years.

Beginning  on July 13,  2001,  our  stock  has  traded  on the  Over-the-Counter
Bulletin  Board.  Although  the per share price of our common stock has declined
since it was delisted from the Nasdaq  SmallCap  Market,  trading  volume in our
stock has increased.  We are uncertain,  however, about the long-term impact, if
any,  on share  value as a result of  trading on the  Over-the-Counter  Bulletin
Board.

The Price of Our Common Stock Has Been Highly Volatile Due to Several Factors
Which Will Continue to Affect the Price of Our Stock.

Our common  stock has traded as low as $0.012 per share and as high as $0.43 per
share in the twelve months ended  March 31, 2003. We believe that some of the
factors leading to the volatility include:

     o    price and volume fluctuations in the stock market at large which do
          not relate to our operating performance;

     o    fluctuations in our operating results;

     o    concerns about our ability to finance our continuing operations;

     o    financing arrangements, including the Recent Financings, which may
          require the issuance of a significant number of shares in relation to
          the number of shares currently outstanding;

     o    announcements of technological innovations or new products which we or
          our competitors make;

     o    FDA and international regulatory actions;

     o    availability of reimbursement for use of our products from private
          health insurers, governmental health administration authorities and
          other third-party payors;

     o    developments with respect to patents or proprietary rights;

     o    public concern as to the safety of products that we or others develop;

     o    changes in health care policy in the United States or abroad;

     o    changes in stock market analysts' recommendations regarding Calypte,
          other medical products companies or the medical product industry
          generally;

     o    fluctuations in market demand for and supply of our products; and


                                      -40-


               CALYPTE BIOMEDICAL CORPORATION AND SUBSIDIARY


     o    certain world conditions, such as SARS or conflict in the Middle East

Our Issuance of Warrants,  Options and Stock Grants to Consultants  for Services
May Have a Negative Effect on the Trading Price of Our Common Stock.

During  2002,  we issued  approximately  50 million  shares of our common  stock
pursuant to warrants,  options,  and stock bonus grants to  consultants,  and we
have,  through  March  31,  2003,  issued  warrants  and  stock  bonuses  for an
additional 60 million shares,  as more fully described in "Liquidity and Capital
Resources".  As we continue  to look for ways to minimize  our use of cash while
obtaining required services, we plan to issue additional warrants and options at
or below the current  market price and make  additional  stock bonus grants.  In
addition to the potential  dilutive effect of a large number of shares and a low
exercise price for the warrants and options, there is the potential that a large
number  of the  underlying  shares  may be sold on the open  market at any given
time,  which could place  downward  pressure on the trading  price of our common
stock.

Our  Common  Stock is  Subject  to the  "Penny  Stock"  Rules of the SEC and the
Trading Market In Our  Securities is Limited,  Which Makes  Transactions  in Our
Stock Cumbersome and May Reduce the Value of an Investment in Our Stock.

Shares of our common stock are "penny  stocks" as defined in the  Exchange  Act,
which are traded in the Over-The-Counter  Market on the OTC Bulletin Board. As a
result,  investors may find it more  difficult to dispose of or obtain  accurate
quotations  as to the price of the shares of the common  stock being  registered
hereby. In addition, the "penny stock" rules adopted by the Commission under the
Exchange  Act  subject  the sale of the  shares of our  common  stock to certain
regulations  which impose sales practice  requirements  on  broker/dealers.  For
example,  brokers/dealers  selling such securities  must, prior to effecting the
transaction, provide their customers with a document that discloses the risks of
investing in such securities. Included in this documents are the following:

     o    the bid and offer price quotes in and for the "penny stock", and the
          number of shares to which the quoted prices apply.

     o    the brokerage firm's compensation for the trade.

     o    the compensation received by the brokerage firm's sales person for the
          trade.

In addition, the brokerage firm must send the investor:

     o    a monthly account statement that gives an estimate of the value of
          each "penny stock" in the investor's account.

     o    a written statement of the investor's financial situation and
          investment goals.

Legal remedies,  which may be available to you as an investor in "penny stocks",
are as follows:

     o    if "penny stock" is sold to you in violation of your rights listed
          above, or other federal or states securities laws, you may be able to
          cancel your purchase and get your money back.

     o    if the stocks are sold in a fraudulent manner, you may be able to sue
          the persons and firms that caused the fraud for damages.

     o    if you have signed an arbitration agreement, however, you may have to
          pursue your claim through arbitration.

If the person  purchasing  the  securities  is someone  other than an accredited
investor or an established customer of the broker/dealer, the broker/dealer must
also  approve  the  potential   customer's  account  by  obtaining   information
concerning  the  customer's  financial  situation,   investment  experience  and
investment objectives.  The broker/dealer must also make a determination whether
the  transaction  is suitable  for the  customer  and whether the  customer  has
sufficient  knowledge  and  experience  in  financial  matters to be  reasonably
expected  to  be  capable  of  evaluating  the  risk  of  transactions  in  such
securities.  Accordingly,  the  Commission's  rules  may  limit  the  number  of
potential purchasers of the shares of our common stock.

                                      -41-


               CALYPTE BIOMEDICAL CORPORATION AND SUBSIDIARY


Resale restrictions on transferring "penny stocks" are sometimes imposed by some
states,  which may make  transaction  in our stock more difficult and may reduce
the value of the investment.  Various state securities laws pose restrictions on
transferring  "penny stocks" and as a result,  investors in our common stock may
have the ability to sell their shares of our common stock impaired.

                          RISKS RELATED TO OUR BUSINESS


Our Customers May Not Be Able to Satisfy Their  Contractual  Obligations  and We
May Not Be Able to Deliver Our Products as a Result of the Impact of  Conditions
Such as Severe Acute Respiratory Syndrome ("SARS") or Operation Iraqi Freedom.

Our expected  first quarter 2003  shipment of urine HIV  screening  tests to our
distributor in the People's Republic Of China was delayed,  in part, as a result
of the impact of SARS in that country.  Our  distributor  has reported that both
potential  patients and medical  personnel  are reluctant to visit or report for
work at hospitals,  clinics and other sites for fear of contracting or spreading
SARS and,  consequently,  both diagnostic and  therapeutic  procedures are being
postponed. Additionally, governmentally-imposed facility closures and quarantine
restrictions  are  disrupting  the  ability of the  distributor  to receive  and
distribute  our HIV tests.  This  situation  may  continue for some time in both
China and elsewhere as emphasis is  temporarily  directed at  containing  and/or
preventing the spread of SARS.

Also  during the first  quarter of 2003,  we  encountered  an unusual  degree of
difficulty in obtaining  transportation  for evaluation kits of our product to a
potential  distributor in Africa. Our products require controlled  refrigeration
during  transport and the  availability  of such carriers was limited due to the
utilization  of many private  transportation  resources in moving  materials and
supplies to the Persian Gulf region in support of Operation Iraqi Freedom.

Our  business  model  and  current  revenue  forecasts  call  for a  significant
expansion  of sales to our  distributor  in the Peoples'  Republic of China,  in
accordance with the requirements of the distribution contract.  Additionally, we
project a  significant  level of sales of our product in Africa upon  successful
completion of the product evaluation. Should conditions beyond our control, such
as SARS or Operation  Iraqi Freedom,  redirect  attention more than  temporarily
from the  worldwide  HIV/AIDS  epidemic,  our  customers'  ability to meet their
contractual   purchase   obligations   or  our   ability   to   supply   product
internationally  for either  evaluation  or  commercial  use may prevent us from
achieving  the  revenues  we have  projected.  As a result,  we may have to seek
additional  financing  beyond  that  which we have  projected,  which may not be
available on the timetable  required or on acceptable  terms,  or we may have to
curtail our operations, or both.

Our Quarterly Results May Fluctuate Due to Certain Regulatory, Marketing and
Competitive Factors Over Which We Have Little or No Control.

The  factors  listed  below,  some of which we  cannot  control,  may  cause our
revenues and results of operations to fluctuate significantly:

     o    actions taken by the FDA or foreign regulatory bodies relating to our
          products;

     o    the extent to which our products and our HIV and STD testing service
          gain market acceptance;

     o    the timing and size of distributor purchases;

     o    introductions of alternative means for testing for HIV by competitors;
          and

     o    customer concerns about the stability of our business which could
          cause them to seek alternatives to our product.

We Have Limited Experience Selling and Marketing Our HIV-1 Urine-Based Screening
Test.

Our urine-based products incorporate a unique method of determining the presence
of HIV  antibodies  and we have limited  experience  marketing  and selling them


                                      -42-



               CALYPTE BIOMEDICAL CORPORATION AND SUBSIDIARY

either directly or through our distributors.  Calypte's success depends upon the
ability of domestic  marketing  efforts to penetrate  expanded  markets and upon
alliances with third-party international distributors. There can be no assurance
that:

     o    our direct selling efforts will be effective;

     o    we will obtain any expanded degree of market acceptance among
          physicians, patients or health care payors; or others in the medical
          or public health community which are essential for expanded market
          acceptance of the products;

     o    our international distributors will successfully market our products;
          or

     o    if our relationships with distributors terminate, we will be able to
          establish relationships with other distributors on satisfactory terms,
          if at all.

We have had FDA approval to market our urine HIV-1  screening  and  supplemental
tests in the United States and have been marketing these products since 1998. We
have achieved market  penetration  within the domestic life insurance  industry.
Based upon our internal estimates, we believe that as of the end of 2002, out of
approximately  7.1  million  HIV-1 tests given by the  domestic  life  insurance
industry in 2002,  approximately  0.6 million were  administered  with our urine
based tests.  However,  we have not achieved  significant  market penetration in
domestic  public health  agency or  international  markets.  A disruption in our
distribution,  sales or marketing  network  could reduce our sales  revenues and
cause  us to  either  cease  operations  or  expend  more  resources  on  market
penetration.

Our  Distribution and Sales Network for U.S.  Hospitals,  and Public and Private
Health Markets Has Thus Far Failed to Yield Significant Sales and Revenues.

Domestic  health agencies are a fragmented  marketplace  with many small outlets
which makes achieving market  acceptance  difficult.  Because we lack sufficient
working  capital,  we have  experienced  difficulty in  penetrating  independent
public and  private  health  markets as they  require  direct  selling  efforts.
Initially,  we entered  into a  distribution  agreement  with a  distributor  of
medical products to domestic  healthcare  markets,  who encountered  significant
obstacles due to the fragmented nature of the domestic health care market place.
We terminated the distribution  agreement and have expanded our own direct sales
force in an effort to better penetrate the domestic  healthcare  markets and, in
conjunction  with other business  partners,  have re-launched  Sentinel.  If our
efforts to market our  products  to  domestic  hospitals  and public and private
health  organizations fail to yield significant  amounts of revenue, we may have
to cease operations.

We Depend Upon the Viability of Three Primary Products -- Our HIV-1  Urine-Based
Screening Test and Our Urine and Blood Based Supplemental Tests.

Our HIV-1  urine-based  screening  test and urine and  blood-based  supplemental
tests are our current products.  Accordingly, we may have to cease operations if
our  screening  and  supplemental  tests fail to achieve  market  acceptance  or
generate significant revenues.

We Have Experienced a Decrease in the Sale of Our Cambridge Biotech Serum
Western Blot Test

Our  Cambridge  Biotech  HIV-1  Serum  Western  Blot  kit  is  the first of four
supplemental  blot  tests  for  blood  HIV-1 antibodies licensed by the FDA. The
Western  Blot test has been in commercial distribution for more than nine years.
We  sell  the  serum-based Western Blot test for HIV-1 as a supplemental test to
HIV-1  screening  test  products made by other manufacturers. In the fiscal year
ended December 31, 2002 and the three month period ended March 31, 2003, Western
Blot sales accounted for 43% and 37% of our revenues, respectively. Western blot
test  sales to bioMerieux Inc. accounted for a total 17.5% of our sales revenues
for  2002. Subsequent to our restart of operations in May 2002, we have not sold
any  of  our Western Blot test to bioMerieux although we have signed several new
customers,  including  Adaltis,  Inc.,  which  is  a  new distributor, and other
smaller  customers who previously purchased from bioMerieux and who now purchase
directly  from  us.  Although  there  is limited competition in the supplemental
testing  market  and  the  cost and time attributed to the only known production


                                      -43-


               CALYPTE BIOMEDICAL CORPORATION AND SUBSIDIARY


process makes it unlikely  that  additional  companies  will seek to qualify and
engage in the production of these supplemental  tests, we have yet to regain our
market share.  Until this occurs,  the loss in sales to  bioMerieux  will have a
detrimental  impact on our cash flow and may (1) delay or  disrupt  our plans to
expand the  Company's  business  and (2) require us to raise  additional  equity
capital, thereby further increasing dilution, which could place further downward
pressure on the price of our common  stock.  A more  complete  discussion of our
revenues  and  customers  can be  found  in the  "Customer  Trends"  section  of
Management's Discussion and Analysis.

We May  Experience  a  Decrease  In The  Sales  of Our HIV  Viral  Lysate  Which
Previously Accounted For a Material Amount of Our Revenue.

Our HIV viral  lysate is a  component  of the  production  of our  Western  Blot
Supplemental tests. There is a limited demand for our HIV viral lysate, which we
have in the  past  been  able to sell to  certain  customers.  The sale of viral
lysate  accounted for  approximately 6 % of our revenue in the fiscal year ended
December 31, 2002, primarily all in the first quarter. We sold no lysaste in the
first  quarter  of 2003.  The  revenue  attributed  to the sale of our HIV viral
lysate  in ealry  2002 may have  resulted  from our  principal  lysate  customer
stockpiling  larger than  normal  quantities  in light of our tenuous  financial
condition in an effort to avoid a potential  interruption of supply. As a result
of such  stockpiling,  we may continue to  experience  little or no sales of HIV
viral  lysate.  However,  as we view our HIV  viral  lysate  as a  manufacturing
component,  its  sale  is  not  considered  to be a  major  contributor  to  our
anticipated future revenue, but rather a supplemental revenue source.

We May Not be Able to Successfully  Develop and Market New Products That We Plan
to Introduce.

We plan to develop other urine-based  diagnostic  products including a rapid HIV
screening  test and tests for other  infectious  diseases or health  conditions.
There are numerous  developmental  and  regulatory  issues that may preclude the
introduction  of these  products  into  commercial  sale.  If we are  unable  to
demonstrate the  feasibility of these products or meet  regulatory  requirements
with  respect  to their  marketing,  we may have to  abandon  them and alter our
business  plan.  Such  modifications  to our  business  plan will  likely  delay
achievement  of  milestones  related to revenue  increases  and  achievement  of
profitability.

Our Products  Depend Upon Rights to Technology  That We Have Licensed From Third
Party Patent Holders and There Can be No Assurance That the Rights We Have Under
These  Licensing  Agreements are  Sufficient or That We Can  Adequately  Protect
Those Rights.

We  currently  have the right to use patent  and  proprietary  rights  which are
material to the  manufacture  and sale of our HIV-1  urine-based  screening test
under  licensing   agreements  with  New  York  University,   Cambridge  Biotech
Corporation,  Repligen Corporation, and the Texas A&M University System. We also
have the right to use patent and proprietary  rights material to the manufacture
and sale of our HIV-1 serum-based  supplemental test under a licensing agreement
with National Institutes of Health. Although we have arranged payment plans with
certain of the  licensors in an effort to resolve  past due balances  owed under
the license agreements,  we have not been able to remain current on all of them.
As of March 31, 2003 we had accrued an  aggregate of  approximately  $242,000 in
past due royalty obligations to our patent licensors. In the event our financial
condition  inhibits  our ability to pay royalty  payments  due under our license
agreements, our rights to use those licenses could be jeopardized. Specifically,
during the 2002 calendar year and in the first quarter of 2003, revenues subject
to the New York University,  Cambridge  Biotech,  Repligen and Texas A&M license
agreements  were $1.5  million  and $0.4  million,  respectively,  and  revenues
subject to the  National  Institutes  of Health  agreement  were $2.0 million in
calendar 2002 and $0.4 million in the first quarter of 2003.  The loss of any of
the foregoing  licenses could have a materially adverse effect on our ability to
continue to produce our products since the license  agreements provide necessary
proprietary processes or components for the manufacture of our products.

We Rely on Sole  Source  Suppliers  that We Cannot  Quickly  Replace for Certain
Components Critical to the Manufacture of Our Products.

Among the critical items we purchase from  qualified  sole source  suppliers are
various conjugates,  fetal bovine serum, and HIV-positive and HIV-negative urine
samples.  Any delay or  interruption in the supply of these or other sole source
components could have a material adverse effect on us by significantly impairing
our ability to manufacture products in sufficient quantities, particularly as we
increase  our  manufacturing  activities  in support  of  commercial  sales.  In


                                      -44-


               CALYPTE BIOMEDICAL CORPORATION AND SUBSIDIARY


addition,  if our  financial  condition  reduces our ability to pay for critical
components on a timely basis,  our suppliers may delay or cease selling critical
components  to us,  which  could also  impair our  ability  to  manufacture.  We
typically do not have long-term supply agreements with these suppliers,  instead
using purchase orders to arrange for our purchases of materials.

We Have Limited Experience in Manufacturing Our Products and Little Experience
in Manufacturing Our Products In Commercial Quantities.

Our lack of working capital and turnover among our manufacturing  personnel as a
result  of our  wind-down  and  restart  has  resulted  in  material  production
difficulties in the past including problems involving:

  o        scaling up production of new products;

  o        developing market acceptance for new product;

  o        production yields;

  o        quality control and assurance;

  o        raw material supply; and

  o        shortages of qualified personnel.

These  difficulties that we have  experienced,  and may experience in the future
could affect our ability to meet  increases in demand  should our products  gain
market acceptance and could impede the growth of our sales revenues.

The  Success  of Our Plans to Enter  International  Markets  May Be  Limited  or
Disrupted  Due to Risks  Related to  International  Trade and  Marketing and the
Capabilities of Our Distributors.

We anticipate that  international  distributor sales will generate a significant
portion of our  revenues  for the next  several  years.  More  specifically,  in
October 2002, we completed a new agreement for the  distribution of our products
in the Peoples' Republic of China that calls for minimum purchases of $3 million
over the two-year term of the agreement,  and which also provides for a two-year
extension contingent upon the distributor's  performance.  This agreement can be
terminated  by either party upon ninety days notice.  Additionally,  the Company
has  entered  into a  Memorandum  of  Understanding  with Safe  Blood for Africa
Foundation.  The memorandum  serves as a non-binding  understanding  between the
parties to enter into a formal  distribution  agreement  whereby  Calypte  would
appoint Safe Blood for Africa as its exclusive distributor  (excluding the HIV-1
Serum  Western Blot) for its in vitro  diagnostic  test kits for a period of ten
years to all public and private  entities  whose primary  activity is related to
the collection and processing of human blood donations in sub-Saharan Africa. We
believe that our urine-based test can provide significant  benefits in countries
that do not have the facilities or personnel to safely and  effectively  collect
and test blood or other bodily fluid samples.  However,  sales to  international
customers in our fiscal year ended  December 31, 2002  accounted  for only 4% of
our revenue.  A majority of the  companies  with which we compete in the sale of
HIV screening tests actively  market their  diagnostic  products  outside of the
U.S. In addition, as regulatory requirements for HIV screening tests outside the
United States are less  demanding than those of the FDA, we compete with our EIA
products against a much wider range of competitors that may not be FDA approved.
Manufacturers  from Japan,  Canada,  Europe, and Australia offer a number of HIV
screening tests in those markets including  HIV-1/HIV-2  tests,  rapid tests and
other non-EIA format tests,  which are not approved for sale in the U.S. market.
There can be no assurance  that our products  will compete  effectively  against
these products in foreign  markets,  or that these  competing  products will not
achieve FDA approval. The following risks may limit or disrupt our international
sales:

  o        the imposition of government controls (regulatory approval);

  o        export license requirements;

  o        political instability;

  o        trade restrictions;

  o        changes in tariffs;


                                      -45-


           CALYPTE BIOMEDICAL CORPORATION AND SUBSIDIARY

     o    difficulties in managing international operations (difficulty in
          establishing a relationship with a foreign distributor with the
          financial and logistical ability to maintain quality control of
          product);

     o    fluctuations in foreign currency exchanges rates;

     o    the financial stability of our distributors;

     o    the financial capabilities of potential customers in lesser-developed
          countries or, alternatively, our inability to obtain approvals which
          would enable such countries access to outside financing, such as the
          World Bank;

     o    the ability of our distributors to successfully sell into their
          contractual market territory or to successfully cover their entire
          territory;

     o    the possibility that a distributor may be unable to meet minimum
          contractual commitments;

     o    establishing market awareness; and

     o    external conditions such as regional conflicts or health crises
          resulting from SARS.

Some of our distributors have limited international marketing experience.  There
can be no assurance that these distributors will be able to successfully  market
our  products in foreign  markets.  Any such  failure  will delay or disrupt our
plans to expand the Company's business.

We Face Intense  Competition in the Medical Diagnostic Products Market and Rapid
Technological Advances by Competitors.

Competition  in our  diagnostic  market is intense and we expect it to increase.
The marketplace  where we sell our products is divided into two categories:  (i)
screening,  and  (ii)  supplemental  testing.  Within  the  United  States,  our
competitors   for  screening   tests   include  a  number  of   well-established
manufacturers of HIV tests using blood samples, plus at least one system for the
detection  of  HIV   antibodies   using  oral  fluid  samples  sold  by  Orasure
Technologies,  Inc. In the supplemental testing category of the market, we offer
the only FDA approved  urine-based test as well as a blood-based  test.  Bio-Rad
Laboratories,  Inc. is the only other company that offers a  supplemental  blood
test. In addition to our urine and blood-based  confirmation  test, Orasure also
offers an oral mucosal transidate (saliva) based supplemental test that competes
with our test. Many of our competitors  have  significantly  greater  financial,
marketing and distribution  resources than we do. Our competitors may succeed in
developing or marketing  technologies  and products that are more effective than
ours,  including  Orasure's and  Med-Mira's  recently-FDA  approved  rapid blood
tests.  These developments could render our technologies or products obsolete or
noncompetitive  or  otherwise  affect our ability to  increase  or maintain  our
products' market share.

Our Ability to Market Our Product Depends Upon Obtaining and Maintaining FDA and
Foreign Regulatory Approvals.

Numerous  governmental  authorities  in the United  States  and other  countries
regulate our products. The FDA regulates our products under federal statutes and
regulations  related  to  pre-clinical  and  clinical  testing,   manufacturing,
labeling,  distribution,  sale and  promotion  of medical  devices in the United
States. In addition,  our facilities are inspected  periodically by the FDA with
regard to the sufficiency of our manufacturing records and production procedures
and we must continue to satisfy the FDA's concerns in order to avoid  regulatory
action against us.

If we fail to comply with FDA  regulations,  or if the FDA believes  that we are
not in compliance with such regulations, the FDA can:

  o        detain or seize our products;

  o        issue a recall of our products;

  o        prohibit marketing and sales of our products; and

  o        assess civil and criminal penalties against us, our officers or our
           employees.


                                      -46-


           CALYPTE BIOMEDICAL CORPORATION AND SUBSIDIARY

We also plan to sell our products in certain foreign countries where they may be
subject to similar local regulatory  requirements.  The imposition of any of the
sanctions described above could have a material adverse effect on us by delaying
or  reducing  the  growth in our sales  revenue  or  causing  us to expend  more
resources to penetrate our target markets.  The regulatory  approval  process in
the United States and other  countries is expensive,  lengthy and uncertain.  We
may not obtain necessary  regulatory approvals or clearances in a timely manner,
if at all. We may lose  previously  obtained  approvals or clearances or fail to
comply with regulatory requirements. The occurrence of any of these events would
be  likely to have a  material  adverse  effect on  Calypte  by  disrupting  our
marketing and sales efforts.

Our Research and  Development  of HIV Urine Tests Involves the Controlled Use of
Hazardous Materials.

There can be no assurance that the Company's safety  procedures for handling and
disposing  of  hazardous  materials  such as azide will comply  with  applicable
regulations.  For example,  azide, when present in high  concentrations  and not
diluted with water, can have an explosive reaction.  Azide is a chemical used as
a  preservative  in our  kits.  In  addition,  we cannot  eliminate  the risk of
accidental  contamination or injury from these materials.  We may be held liable
for  damages  from such an  accident  and that  liability  could have a material
adverse effect on the Company.

We May Not Be Able to Retain Our Key Executives and Research and Development
Personnel.

As a small  company,  our success  depends on the  services of key  employees in
executive and research and  development  positions.  The loss of the services of
one or more of such employees could have a material adverse effect on us.

As a Small  Manufacturer  of  Medical  Diagnostic  Products,  We Are  Exposed to
Product  Liability and Recall Risks For Which  Insurance  Coverage is Expensive,
Limited and Potentially Inadequate.

We  manufacture  medical  diagnostic  products,  which  subjects  us to risks of
product liability claims or product recalls,  particularly in the event of false
positive or false negative  reports.  A product  recall or a successful  product
liability  claim or claims  that  exceed  our  insurance  coverage  could have a
material  adverse effect on us. We maintain a $10,000,000  claims made policy of
product liability insurance.  However, product liability insurance is expensive.
In the future we may not be able to obtain  coverage on acceptable  terms, if at
all.  Moreover,  our  insurance  coverage  may not  adequately  protect  us from
liability  that we incur in  connection  with  clinical  trials  or sales of our
products.

Our Charter Documents May Inhibit a Takeover.

Certain provisions of our Certificate of Incorporation and Bylaws could:

     o    discourage potential acquisition proposals (i.e. shareholder rights
          plan also known as a "poison pill");

     o    delay or prevent a change in control of Calypte;

     o    diminish stockholders' opportunities to participate in tender offers
          for our common stock, including tender offers at prices above the
          then-current market price;

     o    inhibit increases in the market price of our common stock that could
          result from takeover attempts; or

     o    grant to the Board of Directors the discretionary right to designate
          specific rights and preferences of preferred stock greater than those
          of our common stock.

We Have Adopted a Stockholder Rights Plan That Has Certain Anti-takeover
Effects.

On December  15, 1998,  the Board of  Directors  of Calypte  declared a dividend
distribution   of  one  preferred   share  purchase  right  ("Right")  for  each
outstanding  share of common stock of the  Company.  The dividend was payable to
the  stockholders  of record on  January  5, 1999 with  respect to each share of
common stock issued thereafter until a subsequent "distribution date" defined in
a Rights  Agreement  and, in certain  circumstances,  with  respect to shares of
common stock issued after the Distribution Date.

The Rights have certain anti-takeover effects. The Rights will cause substantial
dilution  to a person or group that  attempts  to acquire  the  Company  without
conditioning  the offer on the Rights being redeemed or a substantial  number of


                                      -47-


           CALYPTE BIOMEDICAL CORPORATION AND SUBSIDIARY

Rights being acquired.  However, the Rights should not interfere with any tender
offer,  or merger,  which is approved  by the Company  because the Rights do not
become  exercisable  in the event of an offer or other  acquisition  exempted by
Calypte's Board of Directors.

Our Board of Directors has Certain Discretionary Rights With Respect to Our
Preferred Shares That May Adversely Effect the Rights of our Common
Stockholders.

Our Board may, without shareholder  approval,  designate and issue our preferred
stock in one or more series.  Additionally,  our Board may  designate the rights
and  preferences  of each series of preferred  stock it designates  which may be
greater  than the rights of our common  stock.  Potential  effects on our common
stock may include among other things:

  o        restricting dividends;

  o        dilution of voting power;

  o        impairment of liquidation rights; and

  o        delay or preventing a change in control of the Company.

ITEM 3.  QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

We  have  exposure to changes in the price of our common stock, as it relates to
the conversion price of the 12% convertible debentures and the exercise price of
the  related  exercisable  Class  A and mandatorily exercisable Class B warrants
issued to Bristol Investment Fund in February 2002 as disclosed in Note 5 to the
accompanying  financial  statements and in the "Financing Activities" subheading
of  Liquidity  and  Capital  Resources.  We also face exposure to changes in the
price of our common stock as it relates to the conversion price of the aggregate
of  $3,125,000  original  face  value  of 8% convertible notes issued during the
second  and  third  quarters  of  2002;  the  $150,000  original  face value 10%
convertible  note  issued  during  the  second quarter of 2002; the aggregate of
$1,950,000  10% convertible debentures issued during the first quarter 2003; and
the  $550,000  face  value  of 12% convertible debenture issued during the third
quarter  of  2002,  all  disclosed  in  Note  5  to  the  accompanying financial
statements  and  in  "Financing  Activities".  Additionally, we face exposure to
changes  in  the price of our common stock as it relates to the conversion price
of  the  $300,000  12%  convertible debenture issued in April 2003. Further, our
stockholders  face  additional  dilution by our issuance of additional shares of
common stock as a result of penalties incurred in our failure to file and obtain
an effective registration for certain shares of our common stock issued or to be
issued  pursuant  to our Recent Financings. The liability for these penalties is
being  accrued  as  incurred.

The 12% debentures  issued to Bristol are convertible at a price (the Conversion
Price)  equal to the lesser of (i) 60% of the average of the lowest  closing bid
prices  during the 22 trading days  immediately  prior to the  conversion  date,
subject to anti-dilution adjustment,  and (ii) $0.05. The Class A warrant for up
to 1,700,000  shares of common stock is exercisable at 70% of the average of the
three lowest trading prices for the 20 days  immediately  preceding  conversion,
subject to  anti-dilution  adjustment.  The Class B warrant for up to 12,000,000
shares of common stock is  exercisable at a price equal to the lesser of (i) the
average of the lowest three trading prices during the 20 days immediately  prior
to the exercise price discounted by 25%;  subject to  anti-dilution  adjustment,
and $0.215 per share.

In  addition,  until such time that a registration statement covering the shares
related to the Class A and B warrants described above is declared effective, the
fair  value of these warrants will be marked to market through earnings. We have
not  yet filed a registration statement covering the common stock underlying the
warrant  shares as they are not at market risk. We have been made aware that the
shares  underlying the Class A and B warrants, which are registerable securities
per  our  agreement  with  Bristol  Investment Fund, Ltd., may not be able to be
registered until such time as the underlying common shares are subject to market
risk.

The 8% notes issued between May 2002 and August 2002 are convertible into shares
of the Company's common stock at the lower of $0.10 or 70% of the average of the
three lowest trades during the 30-day period preceding conversion.

The 10% convertible  note issued in May 2002 and  subsequently  extended through
May 2004 is convertible at 50% of the average of the 3 lowest closing bid prices
for the 22 trading days preceding conversion.

The two 10% convertible debentures with aggregate face value of 1,450,000 issued
during January 2003 are convertible into shares of the Company's common stock at
80% of the  average  of the 3 lowest  trading  prices  for the 20  trading  days
preceding  conversion,  but  not  more  than  $0.10.  The  two  10%  convertible
debentures  with aggregate  face value of $500,000  issued during March 2003 are
convertible  into shares of the Company's  common stock at 65% of the average of
the 3 lowest trading prices for the 20 trading days  preceding  conversion,  but
not more than $0.07.

                                      -48-


           CALYPTE BIOMEDICAL CORPORATION AND SUBSIDIARY

The $550,000 12% convertible  debenture  issued in September 2002 is convertible
into  shares of the  Company's  common  stock at 85% of the average of the three
lowest trades for the 20 days preceding conversion. The $300,000 12% convertible
debenture  issued in April  2003 is  convertible  into  shares of the  Company's
common  stock at 70% of the average of the three  lowest  trades for the 20 days
preceding conversion, but not more than $0.04.

These financings have  requirements for registration and many impose  liquidated
damages  for  delays  beyond  30 days  from the  transaction  date  allowed  for
registration.  On February 14, 2003 the  registration  statement for $525,000 of
the  Bristol  Debentures  became  effective,   but  we  have  not  yet  filed  a
registration statement for any of the other financings.  The 8% convertible note
transactions  generally  require  liquidated  damages  at the  rate of 2% of the
original  principal  balance for each month's delay.  Through February 14, 2003,
the Company had incurred  approximately $122,000 in liquidated damages resulting
from the delay in  registration  of the Bristol  Debentures  and as of April 30,
2003,  approximately $637,000 in liquidated damages attributable to the delay in
the  registration  of the remaining  financings,  all of which have been accrued
during the periods in which they were incurred. In most instances,  the investor
has the option of receiving  liquidated  damages in either cash or the Company's
common stock at same  discount-to-market  conversion  price  attributable to the
debenture  or note.  As of  April  30,  2003,  all of the  registration  penalty
provisions  have  been  triggered,  except  for  those in the  various  Mercator
agreements.  The Company  has issued  approximately  8.0  million  shares of its
common stock in payment of  liquidated  damages.  Based on current  prices,  the
payment of  liquidated  damages in stock as of April 30, 2003 would  require the
Company to issue approximately 48 million shares of its common stock. Liquidated
damages  attributable  to  registration  delays  on the  convertible  notes  and
debentures  continue to accrue at a rate of approximately  $63,000 per month (or
approximately 5.6 million shares at current prices).

ITEM 4.  CONTROLS AND PROCEDURES

(a) Evaluation of disclosure controls and procedure.

Under the supervision and with the  participation  of our management,  including
our Chief Executive Officer and Chief Financial  Officer,  we have evaluated the
effectiveness  of the  design  and  operation  of our  disclosure  controls  and
procedures within 90 days of the filing date of this quarterly report, and based
on their  evaluation,  our Chief Executive  Officer and Chief Financial  Officer
have  concluded that these  disclosure  controls and procedures are effective in
timely alerting them to material information relating to the Company required to
be included in the  Company's  periodic SEC filings.  There were no  significant
changes in our internal  controls or in other  factors that could  significantly
affect these controls subsequent to the date of their evaluation.

Disclosure  controls and procedures are the controls and other  procedures  that
are  designed to ensure that  information  required to be disclosed by us in the
reports  we file or  submit  under  the  Exchange  Act is  recorded,  processed,
summarized,  and reported,  within the time periods  specified in the Securities
and Exchange  Commission's rules and forms.  Disclosure  controls and procedures
include,  without  limitation,  controls and procedures  designed to ensure that
information required to be disclosed by us in the reports that we file under the
Exchange Act is accumulated and  communicated  to our management,  including our
Chief Executive Officer and Chief Financial  Officer,  as appropriate,  to allow
timely decisions regarding required disclosure.

(b) Changes in internal controls.

Not applicable.



                                      -49-


                           PART II. OTHER INFORMATION
                           --------------------------

ITEM 1.    LEGAL PROCEEDINGS

On January 27, 2003, an action was filed in San Francisco  County Superior Court
against the Company by Heller  Ehrman White &  McAuliffe,  LLP  ("Heller"),  the
Company's former  attorneys.  The claim is for unpaid legal fees and expenses in
the sum of $546,132  incurred for services  rendered  primarily  between January
2001 and April 2002, plus $93,312 in interest, calculated through March 19, 2003
at 10% per annum on the claimed  outstanding  balance.  The Company disputes the
claim.  The  Company  has accrued for the  disputed  fees and  expenses,  in the
respective periods incurred, excluding interest.

On April 30, 2003, the Company and Heller reached a settlement agreement whereby
the Company  has agreed to pay a total of  $463,000 to settle this claim,  after
which the suit will be dismissed.

Under the terms of the  settlement,  the Company must pay Heller $50,000 by June
15, 2003. Beginning with the month of May 2003 and thereafter,  the Company must
also  make  monthly  payments  of $20,000 plus a percentage of the Company's net
financings  (the  "Subsequent Payments"). The Subsequent Payments are due on the
16th  of the following month, with the first payment due on June 16, 2003. There
are  certain  exceptions  that  may  delay  the  Subsequent Payments for up to 3
months, but should the Company default on the terms of the settlement agreement,
Heller  may  file a stipulated judgment for the unpaid remainder of the $463,000
settlement balance. A stipulated judgment may permit Heller to obtain custody of
some  of  the  Company's  California  property, which would, in turn, materially
impair  the  Company's business. As a part of the settlement, the Company waived
all  of its defenses to Heller's claims, as well as its counterclaims, should it
default  on  this  payment  plan.

On January  24,  2003,  the  Company was  informed  that a former  vendor of the
Company,  Validation Systems,  Inc.  ("Validation"),  had commenced an action in
Santa  Clara  County  Superior  Court on an open book  account  in the amount of
$79,614,  incurred  between  April  1999 and July  2002 and  which  the  Company
accrued,  concurrently,  plus $20,156 in interest,  at the rate of 10% per annum
until payment,  wherein it has claimed that it rendered  services related to the
validation  of biomedical  equipment and processes at the Company's  facilities.
The  Company has contested the  claim  as the  alleged  services  claimed  by
Validation  were not performed in a timely fashion and were unable to be used by
the  Company.  The  Company  believes  that it has  meritorious  defenses to the
action.


ITEM 2.    CHANGES IN SECURITIES AND USE OF PROCEEDS

During the three years  ended March 31,  2003,  the  Company  completed  private
placements of shares of its Common Stock in April 2000, November 2001 and August
2002; issued $1.1 million face value of convertible  debentures in January 2001;
issued $425,000 face value of 12% convertible debentures in February 2002 and an
additional $100,000 face value to the same party and under the same terms in May
2002;  and in May 2002 also issued $2.225  million face value of 8%  convertible
notes and a $0.150 million 10%  convertible  promissory  note. In June 2002, the
Company issued a $0.1 million face value 8% convertible debenture.  In July, the
Company issued an additional  $0.1 million face value 8%  convertible  debenture
and $0.650  million of  additional 8%  convertible  notes.  In August 2002,  the
Company issued an additional  $0.250 million face value 8% convertible  note. In
September  2002,  the  Company  issued a  $550,000  face  value 12%  convertible
debenture.  In January 2003,  the Company  issued $1.450  million face value 10%
convertible  debenture.  In March 2003,  the Company issued an aggregate of $0.5
million face value in two 10% convertible  debentures,  and,  finally,  in April
2003, it issued a $0.300 million face value 12% convertible debenture.  Earlier,
in January 2001, the Company entered into a stock sale and purchase agreement in
a form  generally  referred  to as an equity  line of credit or equity draw down
facility.  Upon the  termination  of that facility,  the Company  entered into a
second equity line facility in August 2001. These  transactions are discussed in
greater  detail in "Financing  Activities" in the  "Management's  Discussion and
Analysis of Financial Condition and Results of Operations".

                                      -50-


           CALYPTE BIOMEDICAL CORPORATION AND SUBSIDIARY

The shares sold in each of the  private  placements  and  pursuant to the equity
line of credit  facility were exempt from  registration  with the Securities and
Exchange  Commission pursuant to Section 4(2) or Rule 506 of Regulation D of the
Securities Act of 1933 as amended  ("Securities  Act"). Shares were sold only to
accredited  investors as defined in Rule 501 of the Securities Act and, with the
exception of shares in the private  placements in November 2001 and August 2002,
were  registered  for resale by such  investors  on Forms S-3 filed on March 30,
1999,  and March 13,  2000 for the private  placements  and on Form S-2 filed on
January 25, 2001 and subsequently  amended on February 9, 2001 and March 5, 2001
for the first equity line of credit.  Shares sold  pursuant to the second equity
line were  registered  for resale by the investor on a Form S-2 filed on October
26, 2001. Shares issued in the November 2001 private placement were also sold to
accredited  investors  but  the  transfer  of the  securities  did  not  include
registration rights;  pursuant to Rule 144 of the Securities Act the transfer of
these securities will be restricted for twelve months from the date of purchase.
Shares  sold in the  August  2002  private  placement  were  sold to  accredited
investors  pursuant to Regulation  S. The  debenture  holder in the $1.1 million
transaction  was  also an  accredited  investor  as  defined  by Rule 501 of the
Securities Act and the Company  registered for resale shares that were converted
pursuant to the debenture  agreements  on Form S-3 filed on April 13, 2001.  The
proceeds from each private placement, from each of the debentures,  and from the
equity lines of credit have been used to finance operations.

In February 2002, the Company  entered into an agreement to issue up to $850,000
face  value of 12%  secured  convertible  debentures.  The  Company  issued  one
debenture in the face amount of $425,000  concurrent  with signing the agreement
and a second  debenture in the face amount of $100,000 in May 2002.  The Company
also issued warrants to purchase up to 13,785,000  shares of its common stock in
conjunction with the convertible debenture agreement.  During the second quarter
of 2002, the investor converted principal of approximately  $60,000 plus accrued
interest  attributable  to the  February  debenture  into  4,462,425  shares  of
restricted  common  stock.  During  the  first  quarter  of 2003,  the  investor
converted the remaining $465,000 of outstanding  principal plus accrued interest
and liquidated  damages  resulting from delay in  registration  into  26,120,822
shares of registered  common stock.  No warrants have been exercised as of April
30, 2003. The Company's registration statement on Form S-2/A (No. 6) registering
30,300,000  shares  of common  stock for  resale  by the  investor  pursuant  to
conversion of the $525,000 face value of debentures  issued became  effective on
February  14,  2003.  The  proceeds  from the  debentures  were used to  finance
operations.

Between May and August 2002, in conjunction  with the financing that enabled the
restart of its  operations,  the Company  issued an aggregate of $3.125  million
face value of 8% convertible  notes, a $0.150 million face value 10% convertible
promissory  note and two $0.1 million face value 8%  convertible  debentures  to
several accredited offshore investors pursuant to subscription  agreements under
Regulation S. In September 2002, the Company issued an additional $0.550 million
12% debenture pursuant to Regulation S, that is intended to be the first tranche
of a  $2.0  million  commitment  between  the  investor  and  the  Company.  The
agreements all provide cost-free registration rights to the holders of the notes
and debentures for the registration of the underlying  conversion  shares of the
Company's common stock.  The Company has not yet filed a registration  statement
applicable to these  transactions.  The proceeds  from the notes and  debentures
were used to finance operations.

During the first  quarter  2003,  the Company  issued an aggregate of $1,950,000
face value 10% convertible  debentures to accredited  investors under Regulation
S. The agreements all provide  cost-free  registration  rights to the holders of
the debentures for the registration of the underlying  conversion  shares of the
Company's common stock.  The Company has not yet filed a registration  statement
applicable to these transactions.  The proceeds from the debentures were used to
finance operations.

In April  2003,  the  Company  issued a  $300,000  face  value  12%  convertible
debenture to an accredited  investor under Regulation S. The agreement  provides
cost-free   registration  rights  to  the  holder  of  the  debentures  for  the
registration of the underlying  conversion shares of the Company's common stock.
The  Company  has not yet  filed a  registration  statement  applicable  to this
transaction. The proceeds from the debentures were used to finance operations.


                                      -51-

           CALYPTE BIOMEDICAL CORPORATION AND SUBSIDIARY


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

Calypte's  stockholders  voted on a single  proposal,  to  amend  the  Company's
Amended and  Restated  Certificate  of  Incorporation  to increase the number of
authorized  shares of the Company's  common stock from 200 million shares to 800
million shares,  at a Special Meeting of Stockholders held on February 14, 2003.
The following votes were tabulated:

                              For:           89,376,270
                              Against:        4,256,984
                              Abstain:        6,691,204

ITEM 5.    OTHER INFORMATION - SUBSEQUENT EVENTS

Conversion of remaining Bristol 12% Convertible Debenture

On April 2, 2003, Bristol Investment Fund, Ltd. converted the remaining $100,000
principal,  plus accrued  interest,  12 % Convertible  Debenture  into 6,328,611
shares of the Company's  common stock.  Pursuant to the February 28, 2003 Letter
Agreement,  the 70%  Conversion  Price  used to  determine  the number of shares
issued  pursuant to Bristol's  April 2, 2003  conversion  notice resulted in the
issuance of approximately  590,000 shares more than would have resulted from the
use of the 60% Conversion Price.

Extension of Maturity of 10% Convertible Note

On April 2, 2003,  when the market price of  Calypte's  common stock was $0.033,
the  Company  and  BNC  Bach  agreed  to  extend  the  maturity  date of the 10%
Convertible  Note to May 5, 2003.  On April 30,  2003,  when the market price of
Calypte's  stock was $0.0249,  the Company and BNC Bach  amended the  conversion
price to eliminate a conversion price ceiling of $0.05 per share and to increase
the discount  applicable to the conversion  price from 40% to 50%. In return for
this  modification  of the  conversion  price,  BNC Bach  agreed to  extend  the
maturity of the note until May 10, 2004.

Extension of Waiver of Non-Registration Penalties

On April 11, 2003, when the market price of Calypte's  common stock was $0.0295,
the Company  received an  extension  until May 5, 2003 in which to register  the
shares of common stock  underlying  the  aggregate of $500,000 face value of 10%
Convertible  Debentures  issued to Focus Fund and  Momentum  Fund III. On May 5,
2003, the Company  received a further  extension until June 16, 2003 to file and
until  September 2, 2003 to achieve  effectiveness  of a registration  statement
including the shares  underlying  all of the  Mercator,  Focus Fund and Momentum
Fund III convertible debentures and warrant.

Issuance of shares for liquidated damages

On April 1, 2003, when the price of the Company's common stock was $0.0283,  the
Company issued 3,000,000 shares of its common stock in settlement of accumulated
liquidated  damages  through  March 27, 2003 pursuant to the terms of the August
2002 private placement agreement.

Additional Financing

On April 29,  2003,  when the market  price for the  Company's  common stock was
$0.0275,  the Company  issued a $300,000 12%  convertible  debenture to Mercator
Momentum  Fund and received net proceeds of $245,000,  net of fees and expenses.
The  debenture  is  convertible  into the  Company's  common stock at 70% of the
average of the three lowest trades for the 20 days preceding conversion, but not
more than $0.04. Under the terms of the debenture agreement,  the Company agreed
to file a registration  statement for the shares of common stock  underlying the
debenture  within  30 days of the  closing  date  and  use its  reasonable  best
commercial efforts to cause the registration  statement to be declared effective
within 120 days of the closing date.

Issuance of Additional Shares for Consulting Services

During April 2003, the Company  entered into new contracts and extended  certain
other  contracts with existing  consultants  to perform  various  services.  The
Company  issued  warrants to purchase an aggregate  of  9,000,000  shares of its
common stock as  compensation  for these  services.  As of April 30,  2003,  the
consultants had exercised warrants to purchase 4,000,000 shares of the Company's
common  stock and the Company had received  proceeds of  $100,000.  The warrants
were  non-forfeitable and fully-vested at the date of issuance.  Pursuant to the


                                      -52-

           CALYPTE BIOMEDICAL CORPORATION AND SUBSIDIARY


requirements  of FASB  Statement  No. 123 and EITFs  96-18 and 00-18  related to
accounting  for  stock-based  compensation,  the  Company  recorded  $79,000  of
consulting expense attributable to these warrants

In addition to the warrants described above, during April 2003, the Company also
issued stock grants for  approximately  27 million shares of its common stock to
certain  consultants  under various  agreements and recorded  non-cash  selling,
general  and  administrative  expense  of  approximately  $750,000  based on the
intrinsic  value of the stock on the date granted.  Also during April 2003,  the
Company  issued  approximately  5 million  shares of its common stock to certain
service providers agreeing to settle outstanding balances in stock.

Legal Proceedings

On  April  30,  2003,  the Company and its former counsel, Heller Ehrman White &
McAuliffe,LLP  ("Heller") reached a settlement agreement whereby the Company has
agreed to pay a total of $463,000 to settle Heller's claim for unpaid legal fees
and expenses in the amount of $546,132 plus $93,312 in interest, after which the
suit  will  be  dismissed.

Under  the  terms of the settlement, the Company must pay Heller $50,000 by June
15, 2003.  Beginning with the month of May 2003 and thereafter, the Company must
also  make  monthly  payments  of $20,000 plus a percentage of the Company's net
financings  (the "Subsequent Payments").  The Subsequent Payments are due on the
16th of the following month, with the first payment due on June 16, 2003.  There
are  certain  exceptions  that  may  delay  the  Subsequent Payments for up to 3
months, but should the Company default on the terms of the settlement agreement,
Heller  may  file a stipulated judgment for the unpaid remainder of the $463,000
settlement  balance.  A  stipulated judgment may permit Heller to obtain custody
of  some  of the Company's California property, which would, in turn, materially
impair  the Company's business.  As a part of the settlement, the Company waived
all  of its defenses to Heller's claims, as well as its counterclaims, should it
default  on  this  payment  plan.

Other Recent Developments - Non-Financing Related

On April 29, 2003, the Company and the Magic Johnson Foundation,  Inc. announced
that Earvin "Magic" Johnson has agreed to join Calypte's Board of Directors, and
that he will also play an active role in promoting global awareness of Calypte's
FDA-approved HIV-1 antibody tests for use with urine samples. At a Board Meeting
on May 9, 2003,  the Company's  Board of Directors  appointed  Mr.  Johnson as a
member of the Board  effective at its next regular Board  meeting  scheduled for
July 2003.

ITEM 6.     EXHIBITS AND REPORTS ON FORM 8-K

a.       Exhibits

         None

b.       Reports on Form 8-K

         Form 8-K/A  regarding  Other Material  Events,  filed January 21, 2003.
         Announcement of amendment and waiver of registration default provisions
         applicable  to certain 12%  convertible  debentures  and  rescission of
         partial  conversion  of one of the subject  debentures,  including  the
         amendment agreement filed as an exhibit.




                                      -53-




                                   SIGNATURES
                                  -----------


     Pursuant to the  requirements  of the Securities  Exchange Act of 1934, the
Registrant  has duly  caused  this  report  to be  signed  on its  behalf by the
undersigned thereunto duly authorized.


                                       CALYPTE BIOMEDICAL CORPORATION
                                       --------------------------------
                                       (Registrant)




Date:    May 16, 2003                    By:     /S/ RICHARD D. BROUNSTEIN
                                              ------------------------------

                                         Richard D. Brounstein
                                         Executive Vice President and
                                         Chief Financial Officer
                                         (Principal Accounting Officer)



                                      -54-


           CALYPTE BIOMEDICAL CORPORATION AND SUBSIDIARY


                            CERTIFICATION PURSUANT TO
                         THE SARBANES-OXLEY ACT OF 2002

I, Anthony J. Cataldo, certify that:

1. I have  reviewed  this  quarterly  report on Form 10-Q of Calypte  Biomedical
Corporation;

2. Based on my  knowledge,  this  quarterly  report  does not contain any untrue
statement of a material fact or omit to state a material fact  necessary to make
the statements made, in light of the  circumstances  under which such statements
were made, not  misleading  with respect to the period covered by this quarterly
report;

3.  Based  on my  knowledge,  the  financial  statements,  and  other  financial
information  included in this quarterly  report,  fairly present in all material
respects the financial  condition,  results of operations  and cash flows of the
registrant as of, and for, the periods presented in this quarterly report;

4.  The  registrant's  other  certifying  officers  and  I are  responsible  for
establishing and maintaining  disclosure  controls and procedures (as defined in
Exchange Act Rules 13a-14 and 15d-14) for the registrant and we have:

         a) designed  such  disclosure  controls and  procedures  to ensure that
material  information  relating to the  registrant,  including its  consolidated
subsidiaries, is made known to us by others within those entities,  particularly
during the period in which this quarterly report is being prepared;

         b) evaluated the effectiveness of the registrant's  disclosure controls
and  procedures  as of a date  within 90 days prior to the  filing  date of this
quarterly report (the "Evaluation Date"); and

         c)  presented  in this  quarterly  report  our  conclusions  about  the
effectiveness of the disclosure  controls and procedures based on our evaluation
as of the Evaluation Date;

5. The registrant's other certifying officers and I have disclosed, based on our
most recent evaluation,  to the registrant's auditors and the audit committee of
registrant's board of directors (or persons performing the equivalent function):

         a) all significant  deficiencies in the design or operation of internal
controls  which  could  adversely  affect  the  registrant's  ability to record,
process,  summarize  and  report  financial  data  and have  identified  for the
registrant's auditors any material weaknesses in internal controls; and

         b) any fraud,  whether or not  material,  that  involves  management or
other  employees  who  have a  significant  role  in the  registrant's  internal
controls; and

6. The  registrant's  other  certifying  officers  and I have  indicated in this
quarterly  report  whether or not there  were  significant  changes in  internal
controls or in other factors that could  significantly  affect internal controls
subsequent to the date of our most recent  evaluation,  including any corrective
actions with regard to significant deficiencies and material weaknesses.

Date: May 16, 2003

/S/ ANTHONY J. CATALDO
- -----------------------
Anthony J. Cataldo
Executive Chairman



                                      -55-


           CALYPTE BIOMEDICAL CORPORATION AND SUBSIDIARY


                            CERTIFICATION PURSUANT TO
                         THE SARBANES-OXLEY ACT OF 2002

I, Nancy E. Katz, certify that:

1. I have  reviewed  this  quarterly  report on Form 10-Q of Calypte  Biomedical
Corporation;

2. Based on my  knowledge,  this  quarterly  report  does not contain any untrue
statement of a material fact or omit to state a material fact  necessary to make
the statements made, in light of the  circumstances  under which such statements
were made, not  misleading  with respect to the period covered by this quarterly
report;

3.  Based  on my  knowledge,  the  financial  statements,  and  other  financial
information  included in this quarterly  report,  fairly present in all material
respects the financial  condition,  results of operations  and cash flows of the
registrant as of, and for, the periods presented in this quarterly report;

4.  The  registrant's  other  certifying  officers  and  I are  responsible  for
establishing and maintaining  disclosure  controls and procedures (as defined in
Exchange Act Rules 13a-14 and 15d-14) for the registrant and we have:

         a) designed  such  disclosure  controls and  procedures  to ensure that
material  information  relating to the  registrant,  including its  consolidated
subsidiaries, is made known to us by others within those entities,  particularly
during the period in which this quarterly report is being prepared;

         b) evaluated the effectiveness of the registrant's  disclosure controls
and  procedures  as of a date  within 90 days prior to the  filing  date of this
quarterly report (the "Evaluation Date"); and

         c)  presented  in this  quarterly  report  our  conclusions  about  the
effectiveness of the disclosure  controls and procedures based on our evaluation
as of the Evaluation Date;

5. The registrant's other certifying officers and I have disclosed, based on our
most recent evaluation,  to the registrant's auditors and the audit committee of
registrant's board of directors (or persons performing the equivalent function):

         a) all significant  deficiencies in the design or operation of internal
controls  which  could  adversely  affect  the  registrant's  ability to record,
process,  summarize  and  report  financial  data  and have  identified  for the
registrant's auditors any material weaknesses in internal controls; and

         b) any fraud,  whether or not  material,  that  involves  management or
other  employees  who  have a  significant  role  in the  registrant's  internal
controls; and

6. The  registrant's  other  certifying  officers  and I have  indicated in this
quarterly  report  whether or not there  were  significant  changes in  internal
controls or in other factors that could  significantly  affect internal controls
subsequent to the date of our most recent  evaluation,  including any corrective
actions with regard to significant deficiencies and material weaknesses.

Date: May 16, 2003

/S/ NANCY E. KATZ
- ------------------
Nancy E. Katz
Chief Executive Officer


                                      -56-


                            CERTIFICATION PURSUANT TO
                         THE SARBANES-OXLEY ACT OF 2002

I, Richard D. Brounstein, certify that:

1. I have  reviewed  this  quarterly  report on Form 10-Q of Calypte  Biomedical
Corporation;

2. Based on my  knowledge,  this  quarterly  report  does not contain any untrue
statement of a material fact or omit to state a material fact  necessary to make
the statements made, in light of the  circumstances  under which such statements
were made, not  misleading  with respect to the period covered by this quarterly
report;

3.  Based  on my  knowledge,  the  financial  statements,  and  other  financial
information  included in this quarterly  report,  fairly present in all material
respects the financial  condition,  results of operations  and cash flows of the
registrant as of, and for, the periods presented in this quarterly report;

4.  The  registrant's  other  certifying  officers  and  I are  responsible  for
establishing and maintaining  disclosure  controls and procedures (as defined in
Exchange Act Rules 13a-14 and 15d-14) for the registrant and we have:

         a) designed  such  disclosure  controls and  procedures  to ensure that
material  information  relating to the  registrant,  including its  consolidated
subsidiaries, is made known to us by others within those entities,  particularly
during the period in which this quarterly report is being prepared;

         b) evaluated the effectiveness of the registrant's  disclosure controls
and  procedures  as of a date  within 90 days prior to the  filing  date of this
quarterly report (the "Evaluation Date"); and

         c)  presented  in this  quarterly  report  our  conclusions  about  the
effectiveness of the disclosure  controls and procedures based on our evaluation
as of the Evaluation Date;

5. The registrant's other certifying officers and I have disclosed, based on our
most recent evaluation,  to the registrant's auditors and the audit committee of
registrant's board of directors (or persons performing the equivalent function):

         a) all significant  deficiencies in the design or operation of internal
controls  which  could  adversely  affect  the  registrant's  ability to record,
process,  summarize  and  report  financial  data  and have  identified  for the
registrant's auditors any material weaknesses in internal controls; and

         b) any fraud,  whether or not  material,  that  involves  management or
other  employees  who  have a  significant  role  in the  registrant's  internal
controls; and

6. The  registrant's  other  certifying  officers  and I have  indicated in this
quarterly  report  whether or not there  were  significant  changes in  internal
controls or in other factors that could  significantly  affect internal controls
subsequent to the date of our most recent  evaluation,  including any corrective
actions with regard to significant deficiencies and material weaknesses.

Date: May 16, 2003

/S/ RICHARD D. BROUNSTEIN
- -------------------------
Richard D. Brounstein
Executive Vice President and Chief Financial Officer

                                      -57-