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FORM 10-Q
SECURITIES AND EXCHANGE COMMISSION
Washington, DC 20549

(Mark One)

[X] QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF
THE SECURITIES EXCHANGE ACT OF 1934
For the quarterly period ended June 30, 2002


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 0-19777

DUSA Pharmaceuticals, Inc.
(Exact name of registrant as specified in its charter)

New Jersey 22-3103129
(State or other jurisdiction of (I.R.S. Employer
incorporation or organization) Identification No.)

25 Upton Drive
Wilmington, Massachusetts 01887
(Address of principal executive offices)
(Zip Code)

(978) 657-7500
(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 month (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
----- ----

APPLICABLE ONLY TO ISSUERS INVOLVED IN BANKRUPTCY
PROCEEDINGS DURING THE PRECEDING FIVE YEARS:

Indicate by check mark whether the registrant has filed all documents
and reports required to be filed by Section 13 or 15(d) of the Securities
Exchange Act of 1934 subsequent to the distribution of securities under a plan
confirmed by a court.

Yes No
----- -----

APPLICABLE ONLY TO CORPORATE ISSUERS:
Indicate the number of shares outstanding of each of the issuer's
classes of common stock, as of the latest practicable date.

13,887,612 shares as of August 12, 2002



PART 1.
Item 1. FINANCIAL STATEMENTS

DUSA PHARMACEUTICALS, INC.

CONDENSED CONSOLIDATED BALANCE SHEETS
- --------------------------------------------------------------------------------



June 30, December 31,
2002 2001
(Unaudited)
----------------- ----------------

ASSETS

Current Assets
Cash and cash equivalents $ 2,550,025 $ 7,568,500
United States government securities 55,267,329 57,141,125
Accrued interest receivable 845,425 923,459
Accounts receivable 84,624 121,280
Receivable under co-development program 878,486 864,534
Inventory 2,105,990 2,333,080
Other current assets 1,567,665 1,254,950
----------------- ----------------
Total current assets 63,299,544 70,206,928
Property and equipment, net 4,857,135 3,384,286
Deferred charges 1,063,832 1,593,708
Deferred royalty 649,113 679,299
----------------- ----------------
TOTAL ASSETS $ 69,869,624 $ 75,864,221
================= ================
LIABILITIES AND SHAREHOLDERS' EQUITY
Current Liabilities
Accounts payable $208,190 $314,889
Accrued payroll 600,646 681,190
Other accrued expenses 1,869,313 1,718,293
Current maturities of long-term debt 247,500 -
Deferred revenue - 273,358
Due to licensor 15,199 62,792
----------------- ----------------
Total current liabilities 2,940,848 3,050,522
Long-term debt, net of current 1,652,500 -
Deferred revenue 21,320,830 22,312,498
Other deferred reimbursement 333,328 666,664
----------------- ----------------
TOTAL LIABILITIES 26,247,506 26,029,684
----------------- ----------------
Commitments and Contingencies (Note 12)

Shareholders' Equity
Capital Stock
Authorized: 100,000,000 shares; 40,000,000 shares designated as common
stock, no par, and 60,000,000 shares issuable in series or classes. 95,490,561 95,440,561
Issued and outstanding: 13,887,612 (2001: 13,865,390) shares of common
stock, no par.

Additional paid-in capital 2,015,586 2,015,586
Accumulated deficit (56,150,562) (49,845,445)
Accumulated other comprehensive income 2,266,533 2,223,835
----------------- ----------------
TOTAL SHAREHOLDERS' EQUITY 43,622,118 49,834,537
----------------- ----------------
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY $ 69,869,624 $ 75,864,221
================= ================


See the accompanying Notes to the Condensed Consolidated Financial Statements.

2



DUSA PHARMACEUTICALS, INC.

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
- --------------------------------------------------------------------------------



Three Months Ended June 30, Six Months Ended June 30,
(Unaudited) (Unaudited)
----------------------------- ------------------------------
2002 2001 2002 2001
------------- ------------- ------------- -------------

REVENUES
Product sales and rental income $ 55,658 $ 196,718 $ 106,185 $ 410,679
Research grant and milestone revenue 495,834 495,834 991,668 991,668
Research revenue earned under collaborative 878,486 824,202 1,657,623 1,304,367
agreements
------------- ------------- ------------- -------------
TOTAL REVENUES 1,429,978 1,516,754 2,755,476 2,706,714
------------- ------------- ------------- -------------
OPERATING COSTS
Cost of product sales and royalties 776,533 721,056 1,455,302 1,376,085
Research and development 3,374,905 2,288,216 6,471,596 4,176,250
General and administrative 1,501,008 1,002,528 2,693,016 2,004,263
------------- ------------- ------------- -------------
TOTAL OPERATING COSTS 5,652,446 4,011,800 10,619,914 7,556,598
------------- ------------- ------------- -------------
LOSS FROM OPERATIONS (4,222,468) (2,495,046) (7,864,438) (4,849,884)

OTHER INCOME

Interest income 784,902 931,711 1,559,321 2,034,489
------------- ------------- ------------- -------------
NET LOSS $ (3,437,566) $(1,563,335) $(6,305,117) $(2,815,395)
============= ============= ============= =============
BASIC AND DILUTED NET LOSS PER $ (.25) $ (.11) $ (.45) $ (.20)
COMMON SHARE
============= ============= ============= =============
WEIGHTED AVERAGE NUMBER OF 13,869,297 13,767,959 13,867,354 13,757,528
COMMON SHARES OUTSTANDING
============= ============= ============= =============


See the accompanying Notes to the Condensed Consolidated Financial Statements.

3



DUSA PHARMACEUTICALS, INC.

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS
- --------------------------------------------------------------------------------



Six Months Ended June 30,
(Unaudited)
------------------------------
2002 2001
-------------- --------------

CASH FLOWS PROVIDED BY (USED IN) OPERATING ACTIVITIES
Net loss $(6,305,117) $(2,815,395)
Adjustments to reconcile net loss to net cash used in operating
activities
Amortization of premiums and accretion of discounts on U.S. government
securities available for sale, net (35,743) (192,576)
Depreciation and amortization expense 888,001 416,558
Amortization of deferred revenue (991,668) (991,668)
Issue of shares of common shares to non-employees 50,000 -
Changes in other assets and liabilities impacting cash flows from
operations:
Accrued interest receivable 78,034 (65,788)
Accounts receivable 36,656 692,473
Receivable under co-development program (13,952) (101,632)
Inventory 227,090 (464,036)
Other current assets (312,715) (821,009)
Deferred charges (100,000) -
Accounts payable (106,699) 57,807
Accrued payroll and other accrued expenses (59,925) (847,356)
Due to licensor (47,593) (416,815)
Deferred revenue (142,957) 242,537
-------------- --------------
Net cash used in operating activities (6,836,588) (5,306,900)
-------------- --------------
INVESTING ACTIVITIES:
Purchases of United States government securities (6,131,356) (18,232,131)
Proceeds from maturing United States government securities 8,083,593 12,517,758
Purchases of property and equipment (2,034,124) (1,057,200)
Deposits on equipment - (183,393)
-------------- --------------
Net cash used in investing activities (81,887) (6,954,966)
-------------- --------------
FINANCING ACTIVITIES:
Proceeds from exercise of options and warrants - 207,680
Proceeds from long-term debt 1,900,000 -
-------------- --------------
Net cash provided by financing activities 1,900,000 207,680
-------------- --------------
NET DECREASE IN CASH AND CASH EQUIVALENTS (5,018,475) (12,054,186)
-------------- --------------
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD 7,568,500 16,441,114
-------------- --------------
CASH AND CASH EQUIVALENTS AT END OF PERIOD $ 2,550,025 $ 4,386,928
============== ==============


See the accompanying Notes to the Condensed Consolidated Financial Statements.

4



DUSA PHARMACEUTICALS, INC.
NOTES TO THE CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)
- --------------------------------------------------------------------------------

1) BASIS OF PRESENTATION

The Condensed Consolidated Balance Sheet as of June 30, 2002, Condensed
Consolidated Statements of Operations for the three and six months ended June
30, 2002 and 2001, and Condensed Consolidated Statements of Cash Flows for the
six months ended June 30, 2002 and 2001 have been prepared in accordance with
accounting principles generally accepted in the United States of America. These
condensed consolidated financial statements are unaudited but include all normal
recurring adjustments, which management of DUSA Pharmaceuticals, Inc. ("DUSA" or
the "Company") believes to be necessary for fair presentation of the periods
presented.

Certain information and footnote disclosures normally included in
financial statements prepared in accordance with accounting principles generally
accepted in the United States of America have been condensed or omitted. Certain
amounts for 2001 have been reclassified to conform to the current year
presentation. Such reclassifications had no impact on the net loss or
shareholders' equity for any period presented. These condensed consolidated
financial statements should be read in conjunction with the Company's December
31, 2001 audited consolidated financial statements and notes thereto.

2) COLLABORATION AGREEMENT TERMINATION NOTICE

On June 6, 2002, Schering AG, the Company's marketing and development
partner for Levulan(R) PDT in the field of dermatology, provided DUSA with a
notice of termination in accordance with the parties' Marketing Development and
Supply Agreement (the "Schering Agreement") dated November 22, 1999. As a
result, DUSA will be reacquiring all rights it granted to Schering AG under the
Schering Agreement on or before June 6, 2003, and is in the process of
evaluating certain items on its Condensed Consolidated Balance Sheet for
potential impairment and the timing of recognition. These items include its
manufacturing facility currently under construction, raw material and finished
goods inventories, commercial light sources, and deferred charges and royalties,
as well as unamortized deferred revenue related to non-refundable milestone
payments previously received under the Schering Agreement. Upon finalization of
the termination agreement with Schering AG, the Company will record in its
Statement of Operations any unamortized deferred revenue (which amounts to
$21,320,830 at June 30, 2002) offset, in part, by adjustments, if any, to the
net realizable value of certain assets described above, which are currently
valued at $6,950,000.

The Company is currently preparing its own development, marketing and
publication plans that it intends to implement following the actual termination
date of the Schering Agreement. Although these plans are still being formulated,
DUSA has decided not to create a nationwide sales force, or to seek a new
dermatology marketing partner at this time. Therefore, the Company does not
expect significant near-term changes in Kerastick(R) sales levels, and/or
BLU-U(R) placements. However, the Company will continue to work towards a more
widespread



DUSA PHARMACEUTICALS, INC.
NOTES TO THE CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)
- --------------------------------------------------------------------------------

adoption of its technology as doctors become more familiar with the benefits of
Levulan(R) PDT, and as the Company seeks to achieve improved reimbursement
levels for its current therapy.

The Company believes that it has sufficient capital resources to
proceed with its current development program for Levulan(R) PDT, and to fund
operations and capital expenditures for the foreseeable future. The Company has
invested its funds in liquid investments, so that it will have ready access to
these cash reserves, as needed, for the funding of development plans on a
short-term and long-term basis. DUSA is actively seeking to expand or enhance
its business by using its resources to acquire by license, purchase or other
arrangements, businesses, technologies, or products. The Company also plans to
continue to actively seek relationships with pharmaceutical or other suitable
organizations to help develop and/or market some of our potential
non-dermatology products and technologies.

3) UNITED STATES GOVERNMENT SECURITIES AVAILABLE FOR SALE

The Company's United States government securities available for sale
consist of obligations of the United States government and its agencies, with
current yields, as of June 30, 2002, ranging from 4.15% to 7.05% and maturity
dates ranging from July 18, 2002 to February 15, 2007. Certain of the Company's
United States government securities are pledged as collateral to secure a
manufacturing construction loan (See Note 8).

Accumulated other comprehensive income consists of net unrealized gains
or losses on United States government securities available for sale, which is
reported as part of shareholders' equity in the Condensed Consolidated Balance
Sheets.

4) INVENTORY

Inventory consisted of the following:



June 30, 2002 December 31,
(Unaudited) 2001
----------------- ----------------

Finished goods $1,577,509 $2,013,799
Raw materials 528,481 319,281
----------------- ----------------
$2,105,990 $2,333,080
================= ================



6



DUSA PHARMACEUTICALS, INC.
NOTES TO THE CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)
- --------------------------------------------------------------------------------

5) OTHER CURRENT ASSETS

Other current assets consisted of the following:



June 30, 2002 December 31,
(Unaudited) 2001
----------------- ----------------

Prepaid expenses and deposits $ 620,736 $ 447,520
Commercial light sources under lease or rental 939,065 764,025
Other current assets 7,864 43,405
----------------- ----------------
$1,567,665 $1,254,950
================= ================


6) DEFERRED CHARGES AND ROYALTIES

Deferred charges, which include costs paid in advance to third parties
under various agreements, are being amortized on a straight-line basis over
their initial expected terms (1-4 1/2 years) as follows:



June 30, 2002 December 31,
(Unaudited) 2001
---------------- ----------------

Facilities underutilization costs $ 516,664 $ 933,333
Facilities reimbursement costs 547,168 660,375
---------------- ----------------
$1,063,832 $1,593,708
================ ================


Deferred royalties, which include payments under an agreement with
PARTEQ, the Company's licensor, are being amortized over 12 1/2 years.

7) DEFERRED REVENUE

Deferred revenue associated with the Company's milestone payments,
unrestricted research grants, and the sale of commercial light sources consisted
of the following:



June 30, 2002 December 31,
(Unaudited) 2001
----------------- ----------------

Milestone and unrestricted grant payments $ 21,320,830 $22,312,498
Sale of commercial light sources - 273,358
----------------- ----------------
$21,320,830 $22,585,856
================= ================


At June 30, 2002, deferred revenue of $130,000 related to the sale of
commercial light sources has been reclassified to other accrued expenses, as it
is likely that such amounts will be refunded.

7



DUSA PHARMACEUTICALS, INC.
NOTES TO THE CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)
- --------------------------------------------------------------------------------

8) LONG-TERM DEBT

Long-term debt consisted of the following:



June 30, 2002 December 31,
(Unaudited) 2001
----------------- ----------------

Manufacturing construction loan $1,900,000 $-
Less: Current maturities (247,500) -
----------------- ----------------
$1,652,500 $-
================= ================


On May 13, 2002, the Company entered into a secured term loan
promissory note ("Note") with Citizens Bank of Massachusetts to fund the
construction of its manufacturing facility, and on May 24, 2002 borrowed
$1,900,000 of a $2,700,000 commitment. As of June 30, 2002, the remaining amount
of the commitment lapsed. DUSA will pay interest only at the prime rate through
July 1, 2002, and then make monthly principal plus interest payments commencing
August 1, 2002 through June 30, 2009. Based on the terms of the Note, the
Company had an option to select a fixed rate or a rate at the LIBOR interest
rate plus 1.75%, for varying LIBOR periods. The Company selected the 360-day
LIBOR rate of 2.25% resulting in a 4% interest rate for the initial year of the
Note with fixed monthly principal payments of $22,500. Prior to expiration of
the 360-day LIBOR-based rate for the year, DUSA can either continue to choose a
LIBOR-based rate at that time, or can execute a one-time conversion to a fixed
rate loan. Approximately $3,000,000 of the Company's United States government
securities are pledged as collateral to secure the loan.

9) SHAREHOLDERS' EQUITY

On June 15, 2002, the Company granted 22,222 shares of unregistered
common stock, without par value, pursuant to an agreement for services to
Therapeutics, Inc., a clinical research organization. Therapeutics, Inc.
personnel support the clinical development of the Company's products in the
field of dermatology. These shares were valued at $50,000, and recognized in
research and development expense in the Condensed Consolidated Statement of
Operations.

10) BASIC AND DILUTED NET LOSS PER SHARE

Basic net loss per common share is based on the weighted average number
of shares outstanding during each period. Stock options and warrants are not
included in the computation of the weighted average number of shares outstanding
for dilutive net loss per common share during each of the periods presented in
the Condensed Consolidated Statements of Operations, as the effect would be
antidilutive. For the periods ended June 30, 2002, and 2001, outstanding stock
options and

8



DUSA PHARMACEUTICALS, INC.
NOTES TO THE CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)
- --------------------------------------------------------------------------------

warrants totaling approximately 2,751,000, and 2,671,000 shares, respectively,
have been excluded from the computation of diluted net loss per share.

11) COMPREHENSIVE LOSS

For the three and six months ended June 30, 2002 and 2001,
comprehensive loss consisted of the following:



Three Months Ended Six Months Ended
June 30, (Unaudited) June 30, (Unaudited)
------------------------------ ------------------------------
2002 2001 2002 2001
------------- ------------- ------------- -------------


NET LOSS $ (3,437,566) $(1,563,335) $ (6,305,117) $(2,815,395)
Net unrealized gains (loss) on United States 838,459 (418,497) 42,698 154,569
securities available for sale

------------- ------------- ------------- -------------
COMPREHENSIVE LOSS $(2,599,107) $(1,981,832) $(6,262,419) $(2,660,826)
============= ============= ============= =============


12) COMMITMENTS AND CONTINGENCIES

KERASTICK(R) MANUFACTURING LINE - Following the amendments to the
Company's agreement with North Safety Products, Inc. that leads to the
expiration of the Company's current Kerastick(R) manufacturing arrangement on
December 31, 2002, and the Company's commitment at that time to Schering AG
through its Marketing, Development and Supply Agreement, as amended, the Company
commenced the construction of a Kerastick(R) manufacturing facility at its
Wilmington, Massachusetts location. Construction started in January 2002, and is
expected to be completed during 2002. As of June 30, 2002, the Company has
expended $2,192,000 for certain equipment, pre-construction, and construction
activities, which have been classified in property and equipment in the
Condensed Consolidated Balance Sheet.

LEGAL MATTERS - In April 2002, the Company received notice that one of
the patents licensed to the Company by PARTEQ Research & Development
Innovations, the technology transfer arm of Queen's University at Kingston,
Ontario is being challenged by PhotoCure ASA. PhotoCure ASA has filed a lawsuit
in Australia alleging that Australian Patent No. 624985, which is one of the
patents relating to the Company's 5-aminolevulinic acid technology, is invalid.
As a consequence of this action, Queen's University has assigned the Australian
patent to DUSA so that DUSA may participate directly in this litigation. The
case is in its earliest stages so the Company is unable to predict the outcome
at this time.

9



DUSA PHARMACEUTICALS, INC.
NOTES TO THE CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)
- --------------------------------------------------------------------------------

13) RECENT ACCOUNTING PRONOUNCEMENT

In August 2001, the Financial Accounting Standards Board issued
Statement of Financial Accounting Standards ("SFAS") No. 144, "Accounting for
the Impairment of Disposal of Long-lived Assets." This statement supercedes SFAS
No. 121, "Accounting for the Impairment of Long-Lived Assets and for Long-Lived
Assets to Be Disposed Of." SFAS No.144 establishes a single accounting model,
based on the framework established in SFAS No. 121, for long-lived assets to be
disposed of by sale, and resolves implementation issues related to SFAS No. 121.
SFAS No. 144 is effective for fiscal years beginning after December 15, 2001 and
interim periods within those fiscal years. When the Company adopted this
statement on January 1, 2002, SFAS No. 144 did not have an effect on its
financial position or results of operations. However, as a result of the notice
of termination received from Schering AG, the Company is evaluating the effects
of SFAS No. 144 on its financial position and results of operations and expects
to complete this evaluation upon the finalization of the terms of the
termination agreement with Schering AG.

10



DUSA PHARMACEUTICALS, INC.
NOTES TO THE CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)
- --------------------------------------------------------------------------------

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

OVERVIEW

The following discussion should be read in conjunction with the
Company's Consolidated Financial Statements and Notes to the Consolidated
Financial Statements for the year ended December 31, 2001 and its Condensed
Consolidated Financial Statements and Notes to the Condensed Consolidated
Financial Statements for the three and six-month periods ended June 30, 2002 and
2001. DUSA is engaged primarily in the research and development, and
commercialization of a drug named 5-aminolevulinic acid, or ALA, used in
combination with appropriate light devices in order to detect or treat a variety
of medical conditions. The trademark for our brand of ALA is Levulan(R). When
Levulan(R) is used and is followed with exposure to light to produce a
therapeutic effect, the technology is called photodynamic therapy, or PDT. When
Levulan(R) is used and followed with exposure to light to detect medical
conditions, the technology is called photodetection, or PD. Our first products,
which were launched in September 2000 in the United States, are Levulan(R) 20%
topical solution using our Kerastick(R) brand applicator, and our BLU-U(R) brand
light source. These products are used together to provide photodynamic therapy
for the treatment of non-hyperkeratotic actinic keratoses (AKs) of the face or
scalp.

SCHERING AG TERMINATION NOTICE - On June 6, 2002, Schering AG, the
Company's marketing and development partner for Levulan(R) PDT in the field of
dermatology, provided DUSA(R) with a notice of termination in accordance with
the parties' Marketing Development and Supply Agreement (the "Schering
Agreement") dated November 22, 1999. As a result, DUSA will be reacquiring all
rights it granted to Schering AG under the Schering Agreement by June 6, 2003.
Although the notice provides for a one-year notice period, the parties are
currently negotiating plans to arrange for a smooth and efficient transfer of
responsibilities in order to accelerate the termination date. Until the
effective termination of the contract, Berlex Laboratories, Schering AG's U.S.
affiliate, is obligated to continue to market DUSA's Levulan(R) Kerastick(R). As
a result of this notice of the termination, DUSA is in the process of evaluating
certain items on its Condensed Consolidated Balance Sheet for potential
impairment and timing of recognition. These items include its manufacturing
facility currently under construction, raw material and finished good
inventories, commercial light sources, and deferred charges and royalties, as
well as unamortized deferred revenue related to previously received
non-refundable milestone payments received under the Schering Agreement (See
section entitled "Critical Accounting Policies"). Upon finalization of the
termination agreement with Schering AG, DUSA will record in its Statement of
Operations any unamortized deferred revenue (which amounts to $21,320,830 at
June 30, 2002) offset, in part, by adjustments, if any, to the net realizable
value of certain assets described above, which are currently valued at
$6,950,000.

The Company is currently preparing its own development, marketing and
publication plans that it intends to implement following the actual termination
date of the Schering Agreement. Although these plans are still being formulated,
DUSA has decided not to create a nationwide sales force, or to seek a new
dermatology marketing partner at this time. Therefore, the Company does not
expect significant near-term changes in Kerastick(R) sales levels, and/or



BLU-U(R) placements which may decrease somewhat. However, the Company will
continue to work towards a more widespread adoption of our technology as
doctors become more familiar with the benefits of Levulan(R) PDT, and as the
Company seeks to achieve improved reimbursement levels for its current therapy.

We have devoted substantial resources to funding research and
development in order to advance the Levulan(R) PDT/PD technology platform, and
as a result, have experienced significant operating losses. As of June 30, 2002,
we had an accumulated deficit of approximately $56,151,000. Achieving our goal
of becoming a profitable operating company is dependent upon the market
penetration of our products in the United States, acceptance of our therapy by
the medical and consumer constituencies, and our ability to develop and/or
acquire new products. As of June 30, 2002, 369 BLU-U(R) brand light units were
in place, up from approximately 300 units at the end of 2001, and 328 units at
March 31, 2002. We have historically rented or leased the BLU-U(R) to
physicians, medical institutions and academic centers throughout the country.
This strategy is currently under review and will be addressed as part of our
post-Schering AG termination marketing strategy. Berlex has advised us that
during this quarter, end-user Kerastick(R) sales totaled 2,250 units, higher
than the 1,848 units sold in the first quarter of 2002, but lower than the 2,448
units sold to end-users in the fourth quarter of 2001. Due to the disappointing
market acceptance since the inception of our products, the upcoming termination
of our Schering Agreement, and the historical fluctuations of end-user
Kerastick(R) sales and BLU-U(R) unit placements up to this point, management
cannot predict the future sales trends of our products.

Although we have been encouraged by positive responses from many
physicians and patients who have used our therapy, we recognize that the therapy
has not yet been widely accepted as a routine therapy for AKs. As a result of
the termination agreement, DUSA will have to market and distribute its products
directly at significant expense, or enter into arrangements with other third
parties.

Under our Schering Agreement, Schering AG had an obligation within
certain time parameters to launch the Kerastick(R) in Brazil where regulatory
approval was granted in March 2002. Regulatory approval of the BLU-U(R) in
Brazil is pending. As a result of the upcoming termination of the Schering
Agreement and disappointing sales progress in the United States, DUSA is
evaluating its marketing plans for its products outside of the United States.

In July 2001, we revised our agreement with our Kerastick(R)
manufacturer, North Safety Products ("North"), covering the period from the
execution of this amendment through December 31, 2002. In accordance with this
amendment, we paid North $1,200,000 in up-front underutilization fees during
2001, and agreed to make additional payments totaling $200,000 in 2002, of which
$100,000 of this amount has been paid as of June 30, 2002. DUSA has reported the
total commitment of $1,400,000 in deferred charges, which is being recognized in
cost of product sales on a straight-line basis over the term of the amendment.
In consideration for the underutilization fees, North has agreed to maintain its
Kerastick(R) manufacturing capabilities in a state of readiness through December
31, 2002, with the capability of producing at least 25,000 Kerastick(R) units
per month in accordance with established procedures. The term of the agreement
will end on December 31, 2002 since DUSA decided not to exercise its option to
extend the term of this agreement through June 30, 2003.

12



In September 2001, in accordance with an amendment to our agreement
with Schering AG, Schering AG reimbursed DUSA $1,000,000 of the costs incurred
to modify our manufacturing agreement with North. This amount has been reported
in deferred liabilities and is being recognized as an offset to cost of product
sales on a straight-line basis over the term of the agreement with North.

We incur certain fixed costs resulting in under-absorbed overhead,
which are included in cost of product sales. We expect that the development of
our own facility will enable us to better manage and control the costs of
production; however, our unit cost per Kerastick(R) will initially increase as
compared to our unit cost under our agreement with North until, and unless,
production levels increase significantly. DUSA commenced the construction of its
Kerastick(R) manufacturing facility during January 2002. The cost to build and
complete testing of such manufacturing capabilities, including equipment, is
estimated to be approximately $2,700,000, and includes all costs of calibration,
validation testing and equipment, and related FDA fees. As of June 30, 2002, the
Company has expended $2,192,000 for certain equipment, pre-construction, and
construction activities. The initial build-out was completed in June 2002, and
the Company has commenced facility and drug stability testing, which is expected
to take approximately six months. FDA inspection is expected to occur within six
months following the construction and testing stages, or approximately eighteen
(18) months from the start of the construction process. This new facility will
serve to replace our current Kerastick(R) manufacturer. (See section entitled
"Overview-Schering Termination Notice".)

We expect to continue to incur operating losses as we invest in our
research and development programs and until product sales from current or future
products increase significantly. As of June 30, 2002, our staff included 51
full-time employees as compared to 55 at the end of 2001, in support of all
activities including production, maintenance, customer support, and financial
operations for our products, as well as the research and development programs
for dermatology and internal indications. Although staffing levels are expected
to remain stable, DUSA intends to re-evaluate expenses in light of the effects
of upcoming Schering AG contract termination. While our financial position is
strong, DUSA cannot predict when product sales, along with interest and/or other
income, may offset the cost of these efforts.

CRITICAL ACCOUNTING POLICIES

In May 2002, the United States Securities and Exchange Commission
("SEC") issued disclosure guidance and proposed rules for "critical accounting
policies" - "Disclosure in Management's Discussion and Analysis about the
Application of Critical Accounting Policies." The SEC defines "critical
accounting policies" as those that require application of management's most
difficult, subjective or complex judgments, often as a result of the need to
make estimates about the effect of matters that are inherently uncertain and may
change in subsequent periods. DUSA's accounting policies are disclosed in the
Note 2 of the Company's Notes to the Consolidated Financial Statements for the
year ended December 31, 2001. Since not all of these accounting policies require
management to make difficult, subjective or complex judgments or estimates, they

13



are not all considered critical accounting policies. We consider the following
policies and estimates to be critical to our financial statements.

INVENTORY - Inventories are stated at the lower of cost or market. Cost
is determined using the first-in, first-out method. Inventories are continually
reviewed for slow moving, obsolete and excess items. Inventory items identified
as slow-moving are evaluated to determine if an adjustment is required.
Additionally, our industry is characterized by regular technological
developments that could result in obsolete inventory. Although we make every
effort to ensure the reasonableness of our estimates, any significant
unanticipated changes in demand, technological developments, or significant
changes to our business model could have a significant impact on the value of
our inventory and our results of operations. No significant inventory valuation
adjustments have been recognized in the periods presented herein; however,
inventories are being reviewed for impairment as a result of the recent notice
of termination from Schering AG. (See section entitled "Overview-Schering AG
Termination Notice".)

Valuation Of Long-lived and Intangible Assets - We review long-lived
and intangible assets, including but not limited to property, plant and
equipment, deferred charges, and deferred royalties for impairment whenever
events or changes in business circumstances indicate that the carrying amount of
assets may not be fully recoverable or that the useful lives of these assets are
no longer appropriate. Factors considered important which could trigger an
impairment review include significant changes relative to: 1) projected future
operating results; 2) the use of the assets or the strategy for the overall
business; and 3) industry, business, or economic trends and developments. Each
impairment test is based on a comparison of the undiscounted cash flow to the
recorded value of the asset. When it is determined that the carrying value of
long-lived or intangibles assets may not be recoverable based upon the existence
of one or more of the above indicators of impairment, the asset is written down
to its estimated fair value on a discounted cash flow basis. No impairment
losses have been recognized in the periods presented herein; however, long-lived
and intangible assets are being reviewed for impairment as a result of the
recent notice of termination from Schering AG. (See section entitled "Overview -
Schering AG Termination Notice".)

Revenue Recognition - Revenues on product sales of the drug applicator
are recognized when persuasive evidence of an arrangement exists, the price is
fixed and final, delivery has occurred, and there is reasonableness of
collection. Revenue earned under the Company's and third parties' rental and
lease agreements for its light devices are recognized in income when
demonstration periods are completed and payments are due and determined to be
collected. Research revenue earned under collaborative agreements consists of
non-refundable research and development funding from a corporate partner.
Research revenue generally compensates the Company for a portion of agreed-upon
research and development expenses and is recognized as revenue at the time the
research and development activities are performed under the terms of the related
agreements and when no future performance obligations exist. Milestone or other
up-front payments have been recorded as deferred revenue upon receipt and are
recognized as income on a straight-line basis over the term of the Company's
agreement with our collaborator. Although we make every effort to ensure the
reasonableness of our estimates, significant unanticipated changes in our
estimates due to business, economic, or industry events could have a material
impact on

14



deferred revenue and our results of operations. No material changes have been
made to our revenue recognition policies during the current period; however,
deferred revenue is being reviewed as a result of the recent notice of
termination from Schering AG. (See section entitled "Overview-Schering AG
Termination Notice".)

Stock-based Compensation - The Company has elected to continue to use
the intrinsic value-based method to account for employee stock option awards
under the provisions of Accounting Principles Board Opinion No. 25, and to
provide disclosures based on the fair value method in the Notes to the
Consolidated Financial Statements as permitted by SFAS No. 123. Stock or other
equity-based compensation for non-employees is accounted for under the fair
value-based method as required by SFAS No. 123 and Emerging Issues Task Force
("EITF") No. 96-18, "Accounting for Equity Instruments That Are Issued to Other
Than Employees for Acquiring, or in Conjunction with Selling, Goods or Services"
and other related interpretations. Under this method, the equity-based
instrument is valued at either the fair value of the consideration received or
the equity instrument issued on the date of grant. The resulting compensation
cost is recognized and charged to operations over the service period, which is
generally the vesting period. As we utilize stock and stock options as one means
of compensating employees, consultants, and others, the accounting for
stock-based compensation would, under certain circumstances cause a material
effect to our results of operations based on our current stock option plan.

Concentration of Credit Risk - We invest our cash in accordance with a
policy objective that seeks to preserve both liquidity and safety of principal.
We are subject to credit risk through short-term investments and mitigate this
risk by investing in United States government securities. If there is an adverse
change, other than temporary decline in market value, in the credit risk of the
financial institutions or in the entities that we invest in, we may be required
to record impairment charges in the future. To date, substantially all of our
revenues have been earned from a single collaborator. As a result of the recent
notice of termination from Schering AG, we may be subject to credit risk. (See
section entitled "Overview-Schering AG Termination Notice".)

RESULTS OF OPERATIONS

REVENUES - Revenues earned for the current three and six-month periods
ended June 30, 2002 decreased to $1,430,000 and $2,755,000, respectively, as
compared to $1,517,000 and $2,707,000 for the same periods in 2001. Revenues
during the current periods include research and development revenue based on the
agreed upon development plan and the timing of the start of clinical trials with
Schering AG of $878,000 and $1,658,000 as compared to $824,000 and $1,304,000
during the same periods in 2001. Amortization of up-front milestone and
unrestricted grant payments from Schering AG of $496,000 and $992,000,
respectively, are also included in revenues for both the current and prior three
and six-month periods.

Also included in revenues are product sales and rental income for the
current three and six-month periods of $56,000 and $106,000, primarily due to
royalty revenues of $43,000 and $71,000 earned by DUSA for Kerastick(R) sales by
Berlex to its distributor. There have been no direct sales of the Kerastick(R)
to Berlex during 2002; however, DUSA did earn $18,000 in the current quarter

15



for relabeling certain Kerastick(R) units previously sold to Berlex. Revenues
from product sales and rental income for the three and six-month periods ended
June 30, 2001 were $197,000 and $411,000, including royalty revenues of $2,000
and $3,000 earned by DUSA for Kerastick(R) sales by Berlex to its distributor,
and $39,000 and $50,000 in rental income and direct sales of BLU-U(R) units.
There were direct sales of the Kerastick(R) to Berlex of $156,000 and $358,000
during the three and six-month periods ended June 30, 2001 as Berlex purchased
Kerastick(R) units to fill its anticipated forecast. Based on the current
Kerastick(R) forecast, we have met supply needs through 2002; however, as a
result of the Schering AG termination notice, the slow penetration of our
products in the marketplace, and the need for DUSA to develop a post-Schering
AG termination marketing strategy, we cannot predict when, or if, significant
changes in direct Kerastick(R) sales will occur.

Under a BLU-U(R) marketing program launched in September 2001, revenues
and costs from BLU-U(R) rentals will be recognized over the last 30 months of
the 36-month term of the rental agreement. However, as a result of the Schering
AG termination notice and the slow penetration of our products in the
marketplace, we are in the process of reviewing our BLU-U(R) marketing strategy
as part of our own development, marketing and publication plans. Under our
initial marketing program, we sold the BLU-U(R) to a medical device leasing
company and engaged the leasing company to complete the leasing and/or rental
transactions, including coordinating payment plans with the physicians.
Physicians had the right to cancel their leases up to periods of one year.
Therefore, payments received by DUSA upon sale of the BLU-U(R) to the original
leasing company were reported as deferred revenues until the physician's right
to cancel the lease had expired. The leasing company had been paying us for the
units within 30 days after installation in the physicians' offices. DUSA, Berlex
and the leasing company continue to support customers that remain on this
initial program; however, the majority of such customers have converted to the
2001 program. These converted units have been repurchased from the original
leasing company and the corresponding deferred revenue and cost has been
reclassified in the financial statements. As we expect that the remaining
customers in the original program will convert to the new program, we have
reclassified deferred revenues as of June 30, 2002 of $130,000 to other accrued
charges as we expect to return the payments received from the original leasing
company as part of a repurchase of these assets. As of June 30, 2002, there were
369 BLU-U(R) units installed in physicians' offices of which 298 are under the
new marketing program, 40 units are leased or rented by physicians under the
initial program, and 31 units are in the field based on direct sales,
demonstration units, or are in use at our clinical trial sites. As of June 30,
2002, a total of 92 units have been returned to DUSA since the product launch in
September 2000.

COST OF PRODUCT SALES AND ROYALTIES - Cost of product sales and
royalties for the three and six-month periods ended June 30, 2002 increased to
$777,000 and $1,455,000, respectively, as compared to $721,000 and $1,376,000
for the comparable periods in 2001. The current three and six-month periods
included internal operations costs of $324,000 and $624,000 for resources (e.g.
customer service, quality assurance, purchasing, and other product support
operations) assigned to support our product, $178,000 and $292,000 incurred to
ship, install, and maintain the BLU-U(R) in physicians offices, $16,000 and
$32,000 in royalty and supply fees due to DUSA's licensor, $56,000 and $112,000
in amortization of deferred charges, and $11,000 incurred in both current
periods to relabel existing Kerastick(R) units reflecting an increase to
36-month from 24-month expiration dating as approved by the FDA. The current
three and six-month periods also included a reserve of

16



$100,000 and $200,000, respectively, on BLU-U(R) inventory as we assess the
carrying value of such inventory based on current and projected levels of
rentals or sales. Also included in the current three-and six-month periods are
$92,000 and $183,000 of net underutilization costs resulting from payments made
to our third-party manufacturers since our initial orders fell well below
certain previously anticipated levels. As anticipated and previously reported,
there were no direct product sales to Berlex in the current three and six-month
periods.

The three and six-month periods in 2001 included internal operations
costs of $210,000 and $386,000 for resources assigned to support product,
$68,000 and $123,000 incurred to ship, install, and maintain the BLU-U(R) in
physicians offices, $56,000 and $112,000 in amortization of deferred charges,
and $189,000 and $354,000 in costs associated with Kerastick(R) sales. Also
included in the three-and six-month periods in 2001 are $198,000 and $401,000 of
net underutilization costs for the reason stated above.

The higher cost of product sales and royalties as compared to revenues
from product sales is a result of the lower than anticipated level of
Kerastick(R) sales, coupled with overhead attributable to the payment of
underutilization costs to our Kerastick(R) supplier, as noted above, and the
allocation of personnel to product sales operations. Management expects that
such costs per unit will initially increase in our own facility but would be
covered by product revenue if the level of Kerastick(R) sales significantly
increases, which is dependent upon the market penetration of our products.

Inventory costs related to the BLU-U(R) commercial light sources under
rental or lease are deferred and recorded in other current assets until the
BLU-U(R) is no longer returnable to DUSA by the physician, which is one year
under the initial marketing program. Under the new marketing program, the
BLU-U(R) is rented to physicians and returnable at any point during the rental
period. The costs of BLU-U(R) inventory under the new program will be recognized
over the last 30 months of the term of the rental. As of June 30, 2002 and
December 31, 2001, deferred inventory costs were approximately $939,000 and
$764,000, respectively. As a result of the Schering AG termination notice, we
are in the process of evaluating these balances on our Consolidated Balance
Sheet for potential impairment. (See section entitled "Critical Accounting
Policies - Valuation of Long-lived and Intangible Assets".)

RESEARCH AND DEVELOPMENT COSTS - Research and development costs for the
three and six-month periods ended June 30, 2002 increased to $3,375,000 and
$6,472,000, respectively, as compared to $2,288,000 and $4,176,000 for the
comparable periods in 2001. This increase was mainly attributable to higher
third-party expenditures in support of FDA mandated Phase IV clinical studies of
our existing product, demonstrating feasibility in other dermatological
indications, as well as, funding our research and development efforts on various
internal indications, primarily Phase I/II studies in the treatment of
high-grade and low-grade dysplasia associated with Barrett's esophagus.

DUSA intends to focus its near-term dermatology development program on
using the Kerastick(R) and the BLU-U(R) for the treatment of actinic keratosis
over the entire face, whereas the currently approved indication only allows
application to scattered individual lesions. We

17



believe that full development and approval of this indication, which we call
broad area actinic keratoses, or BAAKs, could enhance the market penetration of
the therapy. The Company also intends to complete its FDA-required Phase IV
long-term AK tracking study before the end of 2003. In addition, as reported
previously, the preliminary results of DUSA's Phase I/II study on resistant
plantar warts were encouraging, and patient follow-up is ongoing. However,
although preliminary data analysis is still not completed, the Phase I/II study
on onychomycosis (nail fungus) was not successful in treating the disease in
the majority of patients. The Company believes that with some adjustments to
the protocol, Levulan(R) PDT could still be an effective treatment for this
disease. Further Phase II development for the warts and onychomycosis
indications is not being planned at this time in order to lower DUSA's total
research and development spending for 2003 and beyond (as compared to the 2002
levels which includes a full-year reimbursement of up to $3,000,000 from
Schering AG). This strategy should keep the Company in a strong financial
situation as it works on the BAAK indication, the long-term tracking study, and
increasing revenues from the current product.

DUSA has been conducting Phase I/II studies in the treatment of
high-grade and low-grade dysplasia associated with Barrett's esophagus, and
preliminary analyses are currently underway. These results, when available, will
be used to consider future development. However, while limited Phase I/II
development may be funded, we do not expect to fund full Phase II clinical
trials for this indication on our own. We are completing the development of
a partnering package for the use of Levulan(R) PDT in the treatment of Barrett's
esophagus dysplasia, and expect to begin soliciting potential partners during
the second half of 2002. Management's goal is to complete a partnership for this
indication during 2003; however there can be no assurance that we will be able
to consummate any collaboration on terms acceptable to us.

GENERAL AND ADMINISTRATIVE COSTS - General and administration costs for
the three and six-month periods ended June 30, 2002 increased to $1,501,000 and
$2,693,000, respectively, as compared to $1,003,000 and $2,004,000 for the
comparable periods in 2001. These increases were mainly attributable to higher
legal expenses incurred during the current three and six-month periods of
$261,000 and $446,000 due primarily to patent defense, the Schering AG
termination notice, and strategic initiatives. The Company also incurred
employee separation costs of $190,000 during the current quarter. Due to the
effects of the upcoming Schering AG termination and the anticipated future legal
expenses associated with the on-going patent defense, we expect general and
administrative costs to increase.

INTEREST INCOME - Interest income for the three and six-month periods
ended June 30, 2002 decreased to $785,000 and $1,559,000, respectively, as
compared to $932,000 and $2,034,000 for the comparable periods in 2001. These
decreases are mainly attributable to lower investable cash balances as we used
cash in support of DUSA's operating activities, the development of our new
Kerastick(R) manufacturing facility prior to receipt of our manufacturing
construction loan proceeds in May 2002, and lower yields. Interest income will
continue to decline as our investable cash balances are reduced to support
DUSA's operating activities.

NET LOSSES - The Company incurred a net loss of $3,438,000, or $0.25
per share, and $6,305,000, or $0.45 per share, for the three and six-month
periods ended June 30, 2002, as compared to a net loss of $1,563,000, or $0.11
per share, and $2,815,000, or $0.20 per share, for the

18



three and six-month periods ended June 30, 2001 These losses were within
management's expectations, and are expected to continue through at least 2003
and into 2004 unless market penetration of our first products increases
significantly.

LIQUIDITY AND CAPITAL RESOURCES

We are in a strong cash position to continue our research and
development activities for our Levulan(R) PDT/PD platform. Our total assets were
$69,870,000 as of June 30, 2002, compared to $75,864,000 as of December 31,
2001. This decrease is the result of net operating activities during the
quarter.

As of June 30, 2002, we had inventory of $2,106,000, representing
finished goods, and raw materials, as compared to $2,333,000 as of December 31,
2001. Also, at the end of the current quarter, net fixed assets increased to
$4,857,000, as compared to $3,384,000 as of December 31, 2001, due mainly to the
development of our Kerastick(R) manufacturing facility, at which we commenced
construction on in January 2002 at our Wilmington, Massachusetts location. As of
June 30, 2002, the Company had expended $2,192,000 for certain equipment,
pre-construction, and construction activities. On May 13, 2002, we secured a
seven-year term loan to finance the construction of the facility. (See Section
Entitled "Contractual Obligations and Other Commercial Commitments -
Manufacturing Facility Construction Loan" and Notes 8 and 12 to the Notes to the
Condensed Consolidated Financial Statements.) Other than costs of approximately
$500,000 to validate the facility, we do not expect to incur additional
significant capital expenditures to complete this facility.

As of June 30, 2002, we had accounts receivable of $85,000,
representing net sales associated with product sales, compared to $121,000 at
the end of 2001. In addition, based on our co-development program with Schering
AG, a receivable of approximately $878,000 has been recorded during the current
quarter for reimbursable research and development costs, as compared to $864,000
as of December 31, 2001.

We have not made material capital expenditures for environmental
control facilities, however, we know that environmental laws will govern our new
manufacturing facility. We have estimated that the costs to develop this
facility, including all costs of calibration, validation testing and equipment,
and related FDA fees will be $2,700,000. (See section entitled "Contractual
Obligations and Other Commercial Commitments - Kerastick(R) Manufacturing
Line".) There can be no assurance, however, that we will not be required to
incur significant additional costs to comply with environmental laws and
regulations in the future, or that our operations, business or assets will not
be materially adversely affected by current or future environmental laws or
regulations.

As a result of the Schering AG termination notice and the slow
penetration of our products in the marketplace, we are in the process of
evaluating certain items on our Consolidated Balance Sheet for impairment. (See
section entitled "Critical Accounting Policies - Valuation of Long-lived and
Intangible Assets".)

19



We invest our cash in United States government securities, which are
classified as available for sale. As of June 30, 2002, we held securities with
an aggregate cost of $53,000,000 and a current aggregate market value of
$55,267,000, resulting in a net unrealized gain on securities available for sale
of $2,267,000, which has been included in shareholders' equity. As of December
31, 2001, DUSA held securities with an aggregate cost of $54,917,000 and a
current aggregate market value of $57,141,000 resulting in a net unrealized gain
on securities available for sale of $2,224,000. Due to fluctuations in interest
rates and depending upon the timing of our need to convert government securities
into cash to meet our working capital requirements, some gains or losses could
be realized. These securities currently have yields ranging from 4.15% to 7.05%
and maturity dates ranging from July 18, 2002 to February 15, 2007.

We believe that we have sufficient capital resources to proceed with
our current development program for Levulan(R) PDT, and to fund operations and
capital expenditures for the foreseeable future. We have invested our funds in
liquid investments, so that we will have ready access to these cash reserves, as
needed, for the funding of development plans on a short-term and long-term
basis. DUSA is actively seeking to expand or enhance its business by using its
resources to acquire by license, purchase or other arrangements, businesses,
technologies, or products. We also plan to continue to actively seek
relationships with pharmaceutical or other suitable organizations to help
develop and/or market some of our potential non-dermatology products and
technologies.

While our current cash position enables us to maintain our current
research program and to support the commercialization of Levulan(R) PDT for AKs,
DUSA may need to raise additional funds in the future through corporate
alliances, financings, or other sources, in order to expand continuing research
and development programs.

CONTRACTUAL OBLIGATIONS AND OTHER COMMERCIAL COMMITMENTS

Kerastick(R) Manufacturing Line - DUSA commenced the construction of a
Kerastick(R) manufacturing facility at our Wilmington, Massachusetts location in
January 2002. The initial build-out was completed in June 2002, and the Company
has commenced facility and drug stability testing, which is expected to take
approximately six months. FDA inspection is expected to occur within
approximately six months following the construction and testing stages, or
approximately eighteen (18) months from the start of the construction process.
The Company has estimated that the cost to build and complete testing of this
facility, including equipment, is approximately $2,700,000. This cost includes
estimates to build the facility and all costs of calibration, validation testing
and equipment, and related FDA approval costs. As of June 30, 2002, the Company
has expended $2,192,000 for certain equipment, pre-construction, and
construction activities.

Manufacturing Facility Construction Loan - On May 13, 2002, we entered
into a secured term loan promissory note ("Note") from Citizens Bank of
Massachusetts to fund the construction of our manufacturing facility, and on May
24, 2002 borrowed $1,900,000 of a $2,700,000 commitment. As of June 30, 2002,
the remaining amount of the commitment lapsed. DUSA will pay interest only at
the prime rate through July 1, 2002, and then make monthly principal plus
interest payments on this instrument commencing August 1, 2002 through June 30,
2009. Based on the terms

20



of the Note, we had an option to select a fixed rate or a rate at the LIBOR
interest rate plus 1.75%, for varying LIBOR periods. We selected the 360-day
LIBOR rate of 2.25% resulting in a 4% interest rate with fixed monthly
principal payments of $22,500 for the initial year of the Note. At the
expiration of the 360-day LIBOR-based rate for the year, we can either continue
to choose a LIBOR-based rate or exercise a one time only conversion to a fixed
rate loan. Certain of DUSA's United States government securities secure the
loan.

Legal Matters- In April 2002, DUSA received notice that one of the
patents licensed to the Company by PARTEQ Research & Development Innovations,
the technology transfer arm of Queen's University at Kingston, Ontario is being
challenged by PhotoCure ASA. PhotoCure ASA has filed a lawsuit in Australia
alleging that Australian Patent No. 624985, which is one of the patents relating
to the Company's 5-aminolevulinic acid technology, is invalid. As a consequence
of this action, Queen's University has assigned the Australian patent to DUSA so
that DUSA may participate directly in this litigation. The case is in its
earliest stages so the Company is unable to predict the outcome at this time.

RECENT ACCOUNTING PRONOUNCEMENT

In August 2001, the FASB issued SFAS No. 144, "Accounting for the
Impairment of Disposal of Long-lived Assets." This statement supercedes SFAS No.
121, "Accounting for the Impairment of Long-Lived Assets and for Long-Lived
Assets to Be Disposed Of." SFAS No. 144 establishes a single accounting model,
based on the framework established in SFAS No. 121, for long-lived assets to be
disposed of by sale, and resolves implementation issues related to SFAS No. 121.
SFAS No. 144 is effective for fiscal years beginning after December 15, 2001 and
interim periods within those fiscal years. When DUSA adopted this statement on
January 1, 2002, SFAS No. 144 did not have an effect on its financial position
or results of operations. As a result of the notice of termination received by
Schering AG, the Company is evaluating the effects of SFAS No. 144 on its
financial position and results of operations and expects to complete this
evaluation upon the finalization of the terms of the termination agreement with
Schering AG.

INFLATION

Although inflation rates have been comparatively low in recent years,
inflation is expected to apply upward pressure on the operating costs of the
Company. We have included an inflation factor in its cost estimates. However,
the overall net effect of inflation on our operations is expected to be minimal.

ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

We hold fixed income U.S. government securities that are subject to
interest rate market risks. We do not believe that the risk is material at this
time as we have apportioned our investments

21



in short-term and longer-term instruments, up to five years, and we strive to
match the maturity dates of these instruments to our cash flow needs. A ten
percent decline in the average yield of these instruments would not have a
material effect on our results of operations or cash flows. As noted above, if
significant, sudden fluctuations in interest rates occur, losses could be
realized. We do not hold derivative securities. Accordingly, we do not believe
that there is a material market risk exposure with respect to derivative or
other financial instruments that would require disclosure under this item.

FORWARD-LOOKING STATEMENTS

This report, including the Management's Discussion and Analysis,
contains various "forward-looking statements" within the meaning of Section 27A
of the Securities Act of 1933 which represent our expectations or beliefs
concerning future events, including, but not limited to statements regarding the
reacquisition of rights previously granted to Schering AG, recording adjustments
to unamortized deferred revenue and the value of certain assets, intention to
implement new plans, anticipated expense of new marketing and distribution
arrangements, expectations for product sales and for continuing operating
losses, expectations for completion of our manufacturing facility, costs
relating thereto, replacement of our current manufacturer, and control of costs
of production, expectations for stable staff levels and intention to re-evaluate
expenses, potential impact of critical accounting policies, expectation of
higher Kerastick(R) costs per unit, recognition over time of BLU-U(R) inventory
costs, intentions to evaluate and pursue licensing and acquisition
opportunities, beliefs regarding environmental compliance, expectations
regarding the clinical trials results for Phase IV long-term AK tracking study,
warts, onychomycosis, and Barrett's esophagus and intention to focus the
dermatology development program on BAAK, and beliefs regarding market
penetration, requirements of cash resources for our future liquidity, and
potential impact on conversion of government securities, expectations for future
strategic opportunities including for Barrett's esophagus and research and
development programs, need for additional funds, increasing general and
administrative expenses and anticipated decreasing research and development
expenses, decreasing levels of interest income and continuing net losses, and
sufficiency of our capital resources and expectations for capital expenditures,
expectations regarding inflation and market risks. These forward-looking
statements are further qualified by important factors that could cause actual
results to differ materially from those in the forward-looking statements. These
factors include, without limitation, the timing of the reacquisition of rights
from Schering AG, the ability to establish a new marketing capability and to
obtain FDA approval of our manufacturing facility, changing market and
regulatory conditions, actual clinical results of our trials, the impact of
competitive products and pricing, the timely development, FDA approval, and
market acceptance of our products, reliance on third parties for the production,
manufacture, sales and marketing of our products, the securities regulatory
process, the maintenance of our patent portfolio and the ability to affect a
change in the levels of reimbursement by third-party payors, none of which can
be assured. Results actually achieved may differ materially from expected
results included in these statements as a result of these or other factors.

22



PART II- OTHER INFORMATION

Items 1-3, 5.
None.

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

Matters submitted to a vote of security holders of the Corporation at the Annual
Meeting of Shareholders held June 13, 2002 included the election of five (5)
directors and ratification of the selection of Deloitte and Touche LLP as the
independent auditors for the Corporation for 2002.

a) The following persons were elected to serve as directors of the
Corporation:



Votes Cast Votes Cast Abstained Broker
For Against Non-votes
------------- ------------- ------------- --------------

D. Geoffrey Shulman 11,146,049 685,189 0 0
John H. Abeles 11,739,787 91,451 0 0
David Bartash 11,739,787 91,451 0 0
Richard C. Lufkin 11,739,787 91,451 0 0
Jay Haft 11,739,787 91,451 0 0


b) Shareholders ratified the selection of Deloitte & Touche LLP as the
independent auditors for the Corporation for 2002 as follows:



Votes Cast Votes Cast Broker
For Against Non-votes Abstained
------------- -------------- ------------- --------------

Deloitte & Touche LLP 11,753,914 71,144 6,108 72


Item 6. Exhibits and Reports on Form 8-K.
a) Exhibits -
i) Exhibit 99.1 - Certification Pursuant to 18 U.S.C. Section
1340 as Adopted Pursuant to Section 906 of the Sarbanes-Oxley
Act of 2002.

ii) Exhibit 99.2 - Press Release dated August 13, 2002 issued
by the Company regarding quarterly results for the period
ended June 30, 2002.

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b) Form 8-Ks
i) Form 8-K dated May 24, 2002 announcing results of independent
and company-sponsored clinical trials using Levulan(R) for
Barrett's Esophagus Dysplasia.

ii) Form 8-K dated June 7, 2002 announcing receipt from Schering
AG, of a notice of termination of the parties' Marketing
Development and Supply Agreement dated November 22, 1999.

iii) Form 8-K dated July 2, 2002 announcing that effective
Friday, June 28, 2002, its Vice President of Finance and Chief
Financial Officer left DUSA's employ to pursue other interests.

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.

DUSA PHARMACEUTICALS, INC.

DATE: AUGUST 13, 2002 BY: /S/ D. GEOFFREY SHULMAN
------------------ --------------------------
D. GEOFFREY SHULMAN, MD, FRCPC
DIRECTOR, CHAIRMAN OF THE BOARD,
PRESIDENT, CHIEF EXECUTIVE OFFICER,
AND CHIEF FINANCIAL OFFICER
(PRINCIPAL EXECUTIVE OFFICER AND
PRINCIPAL FINANCIAL OFFICER)

24