ENZON INC
10-Q, 1999-05-14
BIOLOGICAL PRODUCTS, (NO DIAGNOSTIC SUBSTANCES)
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                       SECURITIES AND EXCHANGE COMMISSION

                             WASHINGTON, D.C. 20549

                                    FORM 10-Q


                QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE
                         SECURITIES EXCHANGE ACT OF 1934


For Quarter Ended March 31, 1999                     Commission File No. 0-12957
                  --------------                                         -------

                                     [LOGO]
                                   ENZON, INC.
             (Exact name of registrant as specified in its charter)



           Delaware                                           22-2372868
(State or other jurisdiction of                              (IRS Employer
 incorporation or organization)                            Identification No.)

20 Kingsbridge Road, Piscataway, New Jersey                      08854
 (Address of principal executive offices)                      (Zip Code)

                                 (732) 980-4500
              (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[_]

The number of shares of common stock,  $.01 par value,  outstanding as of May 4,
1999 was 36,277,050 shares.


<PAGE>


PART I FINANCIAL INFORMATION
Item 1. Financial Statements

                           ENZON, INC AND SUBSIDIARIES
                      CONSOLIDATED CONDENSED BALANCE SHEETS
                        March 31, 1999 and June 30, 1998

<TABLE>
<CAPTION>
                                                                                          March 31,              June 30,
ASSETS                                                                                      1999                   1998
                                                                                       -------------------------------------
                                                                                        (unaudited)                  *
<S>                                                                                    <C>                     <C>
Current assets:
  Cash and cash equivalents                                                            $  24,794,351           $   6,478,459
  Accounts receivable                                                                      4,563,937               2,300,046
  Inventories                                                                              1,267,379               1,022,530
  Other current assets                                                                       552,148                 447,952
                                                                                       -------------           -------------
     Total current assets                                                                 31,177,815              10,248,987
                                                                                       -------------           -------------
Property and equipment                                                                    12,607,596              15,134,075
  Less accumulated depreciation and amortization                                          11,179,379              13,368,330
                                                                                       -------------           -------------
                                                                                           1,428,217               1,765,745
                                                                                       -------------           -------------
Other assets:
  Investments                                                                                 69,032                  69,002
  Other assets, net                                                                          699,673                 464,747
  Patents, net                                                                             1,085,390               1,192,897
                                                                                       -------------           -------------
                                                                                           1,854,095               1,726,646
                                                                                       -------------           -------------
Total assets                                                                           $  34,460,127           $  13,741,378
                                                                                       =============           =============

LIABILITIES AND STOCKHOLDERS' EQUITY

Current liabilities:
  Accounts payable                                                                     $   2,130,338           $   1,711,856
  Accrued expenses                                                                         4,715,843               4,375,822
                                                                                       -------------           -------------
     Total current liabilities                                                             6,846,181               6,087,678
                                                                                       -------------           -------------
  Accrued rent                                                                               641,008                 727,160
  Royalty advance - RPR                                                                      711,742                      --
                                                                                       -------------           -------------
                                                                                           1,352,750                 727,160
                                                                                       -------------           -------------
Commitments and contingencies
Stockholders' equity:
  Preferred stock-$.01  par  value, authorized 3,000,000 shares:
  issued and outstanding  107,000 shares at March 31, 1999
  and June 30, 1998  (liquidation preference aggregating
  $2,675,000 at March 31, 1999 and June 30, 1998)                                              1,070                   1,070
  Common stock-$.01 par value, authorized 60,000,000 shares:
  issued and outstanding 36,269,612 shares at March 31, 1999 
  and 31,341,353 shares at June 30, 1998                                                     362,696                 313,414
  Additional paid-in capital                                                             146,165,216             123,453,874
  Accumulated deficit                                                                   (120,267,786)           (116,841,818)
                                                                                       -------------           -------------
Total stockholders' equity                                                                26,261,196               6,926,540
                                                                                       -------------           -------------
Total liabilities and stockholders' equity                                             $  34,460,127           $  13,741,378
                                                                                       =============           =============

*Condensed from audited financial statements.

The  accompanying  notes are an integral  part of these  unaudited  consolidated
condensed financial statements.
</TABLE>


                                        2
<PAGE>


                                   ENZON, INC.
                 CONSOLIDATED CONDENSED STATEMENTS OF OPERATIONS
           Three Months and Nine Months Ended March 31, 1999 and 1998
                                   (Unaudited)

<TABLE>
<CAPTION>
                                                                     Three months ended                    Nine months ended
                                                                     ------------------                    -----------------
                                                                March 31,          March 31,         March 31,           March 31,
                                                                 1999                1998              1999                1998
                                                           -------------------------------------------------------------------------
<S>                                                           <C>                <C>                <C>                <C>
Revenues
  Sales                                                       $  3,136,325       $  2,591,785       $  9,854,438       $  9,196,260
  Contract revenue                                                  11,871             18,039             79,346          2,330,648
                                                              ------------       ------------       ------------       ------------
     Total revenues                                              3,148,196          2,609,824          9,933,784         11,526,908
                                                              ------------       ------------       ------------       ------------
Costs and expenses
  Cost of sales                                                  1,305,135            640,874          3,643,931          2,380,264
  Research and development expenses                              1,683,070          2,356,143          5,105,981          6,488,850
  Selling, general and administrative expenses                   1,889,054          1,449,117          5,532,709          4,275,801
                                                              ------------       ------------       ------------       ------------
     Total costs and expenses                                    4,877,259          4,446,134         14,282,621         13,144,915
                                                              ------------       ------------       ------------       ------------
       Operating loss                                           (1,729,063)        (1,836,310)        (4,348,837)        (1,618,007)
                                                              ------------       ------------       ------------       ------------
Other income (expense)
  Interest and dividend income                                     270,265            111,351            873,146            376,914
  Interest expense                                                    (293)            (2,459)            (8,348)           (13,364)
  Other                                                             18,237                 --             58,071             (1,845)
                                                              ------------       ------------       ------------       ------------
                                                                   288,209            108,892            922,869            361,705
                                                              ------------       ------------       ------------       ------------
     Net loss                                                 ($ 1,440,854)      ($ 1,727,418)      ($ 3,425,968)      ($ 1,256,302)
                                                              ============       ============       ============       ============
Basic and Diluted loss per common share                       ($      0.04)      ($      0.06)      ($      0.10)      ($      0.05)
                                                              ============       ============       ============       ============

Weighted average number of common shares
  issued and outstanding and dilutive potential
  common shares                                                 36,126,933         31,200,750         35,500,185         31,012,402
                                                              ============       ============       ============       ============
</TABLE>


The  accompanying  notes are an integral  part of these  unaudited  consolidated
condensed financial statements.


                                       3
<PAGE>


                          ENZON, INC. AND SUBSIDIARIES
                 CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS
                    Nine Months Ended March 31, 1999 and 1998
                                   (Unaudited)
                                Nine Months Ended

<TABLE>
<CAPTION>
                                                                                      Nine Months Ended
                                                                            -----------------------------------
                                                                              March 31,              March 31,
                                                                                1999                   1998
                                                                            -----------------------------------
<S>                                                                         <C>                    <C>
Cash flows from operating activities:
  Net loss                                                                  ($ 3,425,968)          ($ 1,256,302)
  Adjustment for depreciation and amortization                                   686,729                948,381
  (Loss) gain on retirement of equipment                                         (39,834)                 1,845
  Non-cash expense for issuance of common stock and stock options              1,197,528                155,197
  Decrease in accrued rent                                                       (86,152)              (103,085)
  Decrease in royalty advance - RPR                                             (110,506)              (965,636)
  Changes in assets and liabilities                                           (1,267,141)            (2,053,567)
                                                                            ------------           ------------
  Net cash used in operating activities                                       (3,045,344)            (3,273,167)
                                                                            ------------           ------------
Cash flows from investing activities:
  Capital expenditures                                                          (331,732)              (124,977)
  Proceeds from sale of equipment                                                129,872                 83,129
                                                                            ------------           ------------
  Net cash used in investing activities                                         (201,860)               (41,848)
                                                                            ------------           ------------
Cash flows from financing activities:
  Proceeds from issuance of common stock, net                                 21,563,096              1,629,233
  Principal payments of obligation under capital leases                               --                 (1,728)
                                                                            ------------           ------------
  Net cash provided by financing activities                                   21,563,096              1,627,505
                                                                            ------------           ------------

  Net increase (decrease) in cash and cash equivalents                        18,315,892             (1,687,510)
  Cash and cash equivalents at beginning of period                             6,478,459              8,315,752
                                                                            ------------           ------------
  Cash and cash equivalents at end of period                                $ 24,794,351           $  6,628,242
                                                                            ============           ============
</TABLE>

The  accompanying  notes are an integral  part of these  unaudited  consolidated
condensed financial statements.


                                       4
<PAGE>


                          ENZON, INC. AND SUBSIDIARIES
              Notes To Consolidated Condensed Financial Statements
                                   (Unaudited)


(1)  Organization and Basis of Presentation

     The  unaudited   consolidated  condensed  financial  statements  have  been
prepared  from the  books  and  records  of  Enzon,  Inc.  and  subsidiaries  in
accordance with generally accepted  accounting  principles for interim financial
information.  Accordingly,  they  do not  include  all of  the  information  and
footnotes  required by generally  accepted  accounting  principles  for complete
financial statements. In the opinion of management,  all adjustments (consisting
only of  normal  and  recurring  adjustments)  considered  necessary  for a fair
presentation have been included.  Interim results are not necessarily indicative
of the results that may be expected for the year.

         Effective  July 1, 1998,  the Company  adopted  Statement  of Financial
Accounting Standards No. 130 ("SFAS 130"), Reporting  Comprehensive Income. SFAS
130 establishes new rules for the reporting and display of comprehensive  income
and its  components.  The  adoption  of SFAS 130 had no impact on the  Company's
results of  operations  for the three and nine  months  ended March 31, 1999 and
1998. The net loss of $1,441,000 and  $1,727,000,  recorded for the three months
ended  March 31,  1999 and 1998 and the net loss of  $3,426,000  and  $1,256,000
recorded for the nine months ended March 31, 1999 and 1998, respectively, are in
each case equal to the comprehensive loss for those periods.

(2)  Loss Per Share

     Basic  loss per  common  share  is  based on the net loss for the  relevant
period,  adjusted for cumulative undeclared preferred stock dividends of $54,000
for each of the three  months  ended March 31, 1999 and 1998,  and  $161,000 and
$162,000  for the nine  months  ended  March 31,  1999 and  1998,  respectively,
divided by the weighted  average number of common shares issued and  outstanding
during the period.

     Diluted loss per common share for the three and nine months ended March 31,
1999 and 1998,  is based on the net loss for the  relevant  period  adjusted for
cumulative undeclared preferred stock dividends of $54,000 for each of the three
months  ended March 31, 1999 and 1998,  and  $161,000  and $162,000 for the nine
months  ended March 31,  1999 and 1998,  respectively,  divided by the  weighted
average number of common shares issued and  outstanding  during the period.  The
exercise or conversion of all dilutive  potential common shares is not included,
due to the net loss  recorded for the three and nine months ended March 31, 1999
and 1998. As of March 31, 1999, the Company had approximately 6,070,000 dilutive
potential  common  shares  outstanding  that  could  potentially  dilute  future
earnings per share calculations.


                                       5
<PAGE>


                          ENZON, INC. AND SUBSIDIARIES
         Notes To Consolidated Condensed Financial Statements, Continued
                                   (Unaudited)


(3)  Inventories

     The  composition  of  inventories at March 31, 1999 and June 30, 1998 is as
follows:

                                   March 31,           June 30,
                                     1999                1998
                                  ----------          ----------
         Raw materials              $654,000            $510,000
         Work in process             425,000             398,000
         Finished goods              188,000             115,000
                                  ----------          ----------
                                  $1,267,000          $1,023,000
                                  ==========          ==========

(4)  Cash Flow Information

     The Company considers all highly liquid securities with original maturities
of three months or less to be cash equivalents.  Cash payments for interest were
approximately  $8,000 and $13,000  for the nine months  ended March 31, 1999 and
1998,  respectively.  There were no income tax payments made for the nine months
ended March 31, 1999 and 1998.

     There  were no  conversions  of Series A  Preferred  Stock  during the nine
months ended March 31, 1999.  During the nine months ended March 31, 1998, 1,000
shares of Series A Cumulative  Convertible  Preferred Stock ("Series A Preferred
Stock") were  converted to 2,272 shares of Common  Stock.  Accrued  dividends of
$15,000  on the Series A  Preferred  Stock  that was  converted  during the nine
months  ended March 31,  1998,  were  settled by issuing  1,358 shares of Common
Stock and cash payments totaling $10 for fractional shares.

(5)  Stockholders' Equity

     In July  1998,  the  Company  sold  3,983,000  shares of Common  Stock in a
private placement to a small group of investors.  The private placement resulted
in gross proceeds of approximately $18,919,000 and net proceeds of approximately
$17,550,000.

     During  the nine  months  ended  March  31,  1999,  150,000  warrants  were
exercised to purchase  150,000 shares of the Company's Common Stock at $2.50 per
share.  These  warrants were issued during the year ended June 30, 1996, as part
of the commission due to a real estate broker in connection with the termination
of the Company's former lease at 40 Kingsbridge Road.

     During the nine months ended March 31,  1999,  the Company  issued  200,000
five-year  warrants  to  purchase  Enzon  Common  Stock at $6.50 per share,  the
closing  price of the  common  stock  on the date of  grant.  The  warrants  are
consideration  for services to be rendered  through February 2002. The estimated
fair value of the warrants of approximately  $917,000 is included as a component
of other assets with the corresponding current portion included in other current
assets on the accompanying  balance sheet and will be amortized over the service
period of three years.


                                        6
<PAGE>


                          ENZON, INC. AND SUBSIDIARIES
         Notes To Consolidated Condensed Financial Statements, Continued
                                   (Unaudited)


(6)  Non-Qualified Stock Option Plan

     During the nine months ended March 31,  1999,  the Company  issued  451,000
stock  options  at an  average  exercise  price of $9.65  per  share  under  the
Company's  Non-Qualified  Stock Option Plan,  as amended,  of which 198,000 were
granted to  executive  officers  of the  Company as part of a bonus plan for the
year ended June 30,  1998.  None of the  options  granted  during the period are
exercisable as of March 31, 1999. All options were granted with exercise  prices
that equaled the fair market value of the underlying stock on the date of grant.

(7)  Commitments and Contingencies

     The  Company  is being  sued by a former  financial  advisor,  LBC  Capital
Resources,  Inc.  ("LBC"),  which is asserting that under a May 2, 1995,  letter
agreement  ("Letter  Agreement")  between  Enzon and LBC,  LBC was entitled to a
commission  in  connection  with the  Company's  January and March 1996  private
placements,  comprised of $500,000 and warrants to purchase  1,000,000 shares of
Enzon  common  stock  at an  exercise  price of $2.50  per  share.  LBC has also
asserted  that it is entitled to an  additional  fee of $175,000 and warrants to
purchase  250,000  shares of Enzon  common stock when and if any of the warrants
obtained  pursuant  to the private  placements  are  exercised.  LBC has claimed
$3,000,000 in  compensatory  damages,  plus punitive  damages,  counsel fees and
costs for the alleged breach of the Letter Agreement.  The Company believes that
no such  commission was due under the Letter  Agreement and denies any liability
under  the  Letter  Agreement.  The  Company  intends  to  defend  this  lawsuit
vigorously.

     In the course of normal operations, the Company is subject to the marketing
and manufacturing regulations as established by the Food and Drug Administration
("FDA").  During the nine months ended March 31,  1999,  the Company and the FDA
agreed to temporary labeling and distribution  modifications for ONCASPAR due to
increased  levels of  particulates  in certain  batches of ONCASPAR,  which were
manufactured  by the  Company.  The  Company,  rather than  Rhone-Poulenc  Rorer
("RPR"),  will temporarily  distribute  ONCASPAR directly to patients,  on an as
needed  basis,  in order to institute  the  additional  inspection  and labeling
procedures prior to distribution.  Upon resolution of the existing manufacturing
problem,  it is  expected  that RPR  will  resume  the  normal  distribution  of
ONCASPAR.  This manufacturing problem is isolated only to ONCASPAR.  The Company
is currently engaged in an extensive review of its manufacturing  procedures for
this product.  The Company is unable to predict what, if any, impact this matter
will have on future sales of ONCASPAR.


                                       7
<PAGE>


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

Information contained herein contains "forward-looking  statements" which can be
identified  by the  use  of  forward-looking  terminology  such  as  "believes,"
"expects,"  "may," "will," "should," or "anticipates" or the negative thereof or
other  variations  thereon  or  comparable  terminology,  or by  discussions  of
strategy.  No  assurance  can be given  that the future  results  covered by the
forward-looking  statements  will be achieved.  The matters set forth in Exhibit
99.0 to the Company's  Annual Report on Form 10-K for the fiscal year ended June
30, 1998,  which is  incorporated  herein by  reference,  constitute  cautionary
statements  identifying  important factors with respect to such  forward-looking
statements,  including certain risks and uncertainties,  that could cause actual
results  to  vary  materially   from  the  future  results   indicated  in  such
forward-looking  statements.  Other factors  could also cause actual  results to
vary  materially  from the  future  results  indicated  in such  forward-looking
statements.

Results of Operations

Three months ended March 31, 1999 vs. Three months ended March 31, 1998

Revenues. Revenues for the three months ended March 31, 1999 increased by 21% to
$3,148,000 as compared to $2,610,000 for the same period in 1998. The components
of revenues are sales, which consist of sales of the Company's two Food and Drug
Administration  ("FDA")  approved  products  and  royalties  on the sales of the
Company's products by others,  and contract revenues.  Sales increased by 21% to
$3,136,000  for the three months ended March 31, 1999 as compared to  $2,592,000
for the same period in the prior year due to increased  revenues from  ADAGEN(R)
and ONCASPAR(R).  During 1998, the Company  encountered a manufacturing  problem
with ONCASPAR,  and as a result,  instituted a temporary  labeling  change and a
revised distribution method for the product under which the Company, rather than
Rhone-Poulenc  Rorer  Pharmaceuticals,  Inc. ("RPR"),  is distributing  ONCASPAR
directly to patients on an "as-needed" basis. As a result of these changes,  the
Company  recorded the full sales price of the product  during the quarter  ended
March 31,  1999,  as opposed to royalty  and  manufacturing  revenues  from RPR,
resulting in higher sales for the  quarter.  The increase in ONCASPAR  sales was
also due to an increase  in the number of vials sold  during the  quarter  ended
March 31, 1999 as compared to the prior year.  Upon  resolution  of the existing
manufacturing   problem,  it  is  expected  that  RPR  will  resume  the  normal
distribution  of ONCASPAR.  This  manufacturing  problem is isolated to ONCASPAR
only.  ADAGEN  sales for the three  months  ended  March 31,  1999 and 1998 were
$2,802,000  and  $2,497,000,  respectively.  The increase in ADAGEN sales is the
result of an  increase in third  party  reimbursement  levels for the product as
compared to the prior  year.  During the three  months  ended March 31, 1999 and
1998, the Company had export sales of $674,000 and $823,000, respectively. Sales
in Europe were  $520,000  and $697,000 for the three months ended March 31, 1999
and 1998,  respectively.  Contract  revenue for the three months ended March 31,
1999  decreased  to  $12,000,  as compared to $18,000 for the same period in the
prior year.

     The Company  expects  sales of ADAGEN to increase  at  comparable  rates to
those achieved during the last two years as additional patients are treated. The
Company also  anticipates that future sales of ONCASPAR may be at reduced levels
until the manufacturing issue, previously discussed,  is resolved.  There can be
no  assurance  that any  particular  sales  levels of ONCASPAR or ADAGEN will be
achieved or maintained.

Cost of Sales. Cost of sales, as a percentage of sales, increased to 42% for the
three months ended March 31, 1999, as compared to 25% for the three months ended
March 31,  1998.  The  increase  was  primarily  due to  ONCASPAR  manufacturing
problems  which  resulted  from an increased  rejection  rate for this  product.
Additionally,  during the quarter ended March 31, 1999 the Company's  charge for
idle capacity  increased over the prior year. During the quarter ended March 31,
1999, the Company utilized  approximately 19% of its manufacturing  capacity for
the production of its approved  products,  as compared to 39% for the comparable
quarter in 1998.


                                       8
<PAGE>


Research and Development. Research and development expenses for the three months
ended March 31, 1999 decreased by 29% to $1,683,000 from $2,356,000 for the same
period in 1998. The decrease in research and development  expenses resulted from
(i) a decrease in facility  costs  resulting  from the  elimination  of a leased
facility and the consolidation of research and development operations and (ii) a
decline in clinical  trial  costs.  The  decrease in clinical  trial costs was a
result  of the  completion  of a Phase Ib  clinical  trial  for  PEG-hemoglobin.
Clinical   costs  are   anticipated   to   increase   in  future   quarters   as
PEG-camptothecin  enters Phase I clinical trials.  Due to the significant  costs
associated  with the  development  of  PEG-hemoglobin,  the Company is currently
looking for a medical  institution  or commercial  partner to bring this product
into Phase II clinical trials.

Selling,   General   and   Administrative   Expenses.   Selling,   general   and
administrative  expenses for the three months ended March 31, 1999  increased by
$440,000 to  $1,889,000,  as compared to $1,449,000 for the same period in 1998.
The increase was  primarily  due to an increase in  marketing  and  distribution
costs for ONCASPAR. Due to the changes in distribution previously discussed, the
Company is currently  responsible  for all marketing and  distribution  for this
product. These costs were the responsibility of the Company's marketing partner,
RPR, in the previous year.

Other Income/Expense. Other income/expense increased by $179,000 to $288,000 for
the three  months  ended March 31,  1999 as  compared  to $109,000  for the same
period last year.  The increase  was  primarily  attributable  to an increase in
interest income due to an increase in interest bearing investments.

Nine months ended March 31, 1999 vs. Nine months ended March 31, 1998

Revenues.  Revenues for the nine months ended March 31, 1999 decreased by 14% to
$9,934,000  as  compared  to  $11,527,000  for the  same  period  in  1998.  The
components  of revenues  are sales and  contract  revenues.  Sales  increased to
$9,854,000  for the nine months  ended March 31, 1999 as compared to  $9,196,000
for the same period in the prior year, due to an increase in ADAGEN and ONCASPAR
sales.  ADAGEN  sales  increased  by  approximately  10%,  due to an increase in
patients  receiving  ADAGEN  treatment  and an increase in ADAGEN  reimbursement
levels  from the prior  year.  ONCASPAR  revenues  increased  due to the Company
taking over the marketing and  distribution  of the product from RPR as a result
of the aforementioned  manufacturing  problem.  ADAGEN sales for the nine months
ended March 31, 1999 and 1998 were $8,231,000 and $7,491,000,  respectively. The
increase in sales was offset by a decrease in contract revenue. Contract revenue
for the nine months ended March 31, 1999  decreased  to $79,000,  as compared to
$2,331,000 in 1998. The decrease was  principally due to the timing of milestone
payments received under the Company's  licensing agreement for PEG-Intron A with
Schering-Plough  Corporation  ("Schering-Plough").  During the nine months ended
March 31, 1998, the Company recognized $2,200,000 in milestone payments received
as a result of Schering-Plough's advancing PEG-Intron A into its first Phase III
clinical trial. PEG-Intron A is a modified form of Schering-Plough's  INTRON(R)A
(interferon  alfa-2b,  recombinant),  developed  by Enzon to have  longer-acting
properties.  Under the  Company's  licensing  agreement,  Enzon is  entitled  to
royalties  on  product  sales and has the  option  to  become  Schering-Plough's
exclusive  manufacturer  of  PEG-Intron A for the U.S.  market.  During the nine
months ended March 31, 1999 and 1998, the Company had export sales of $2,397,000
and $1,952,000, respectively. Sales in Europe were $1,800,000 and $1,545,000 for
the nine months ended March 31, 1999 and 1998, respectively.

Cost of Sales. Cost of sales, as a percentage of sales, increased to 37% for the
nine months ended March 31, 1999 as compared to 26% for the same period in 1998.
The  increase  was  primarily  due to a charge  taken in the first  quarter 1999
related  to  a  write-off  of  ONCASPAR  finished  goods  on  hand  and  in  the
distribution  pipeline,  as well as increased  ONCASPAR  production  costs.  The
increased   write-off  of  ONCASPAR  finished  goods  was  attributable  to  the
manufacturing problems previously discussed.

Research and Development.  Research and development expenses for the nine months
ended March 31, 1999 decreased by 21% to $5,106,000 from $6,489,000 for the same
period last year.  The decrease in research and  development  expenses  resulted
from (i) a decrease in facility costs resulting from the elimination of a leased
facility


                                        9
<PAGE>


and the consolidation of research and development  operations and (ii) a decline
in clinical trial costs.  The decrease in clinical trial costs,  was a result of
the completion of a Phase Ib clinical trial for PEG-hemoglobin

Selling,   General   and   Administrative   Expenses.   Selling,   general   and
administrative  expenses for the nine months  ended March 31, 1999  increased by
29% to  $5,533,000,  as compared to $4,276,000  for the same period in 1998. The
increase was  principally  due to (i)  increased  investor  and public  relation
activities,  (ii) increased legal fees, related to patent infringement and other
litigation,  as well as ongoing  arbitration  proceedings,  and (iii)  increased
marketing  and  distribution  expenses  for  ONCASPAR,  caused by the  change in
distribution of this product previously discussed.

Other Income/Expense. Other income/expense increased by $561,000 to $923,000 for
the nine months ended March 31, 1999 as compared to $362,000 for the same period
last year. The increase was  attributable  to an increase in interest income due
to an increase in interest bearing investments.

Liquidity and Capital Resources

     Enzon had  $24,794,000  in cash and cash  equivalents as of March 31, 1999.
The Company  invests its excess cash in a  portfolio  of  high-grade  marketable
securities and United States government-backed securities.

     The Company's  cash reserves as of March 31, 1999  increased by $18,316,000
from June 30, 1998.  The increase in cash  reserves was  principally  due to net
proceeds of  approximately  $17,550,000  received  upon  completion of a private
placement  during July 1998 in which the Company sold 3,983,000 shares of Common
Stock to a small group of investors.

     The Company's exclusive U.S. marketing rights license with RPR for ONCASPAR
provides for a payment of $3,500,000 in advance  royalties which was received in
January 1995. Under the agreement, as amended,  royalties will be offset against
a credit of $5,970,000,  which represents the royalty advance plus reimbursement
of certain  amounts due RPR under the previous  agreement and interest  expense,
before cash payments will be made under the  agreement.  The royalty  advance is
shown as a long term liability with the  corresponding  current portion included
in accrued  expenses on the  consolidated  condensed  balance sheets and will be
reduced as royalties are recognized under the agreement. Through March 31, 1999,
an aggregate of $4,445,000 in royalties  payable by RPR have been offset against
the original credit.

     As of March 31, 1999,  942,808  shares of Series A  Cumulative  Convertible
Preferred Stock ("Series A Preferred  Stock") have been converted into 3,097,955
shares of the Company's Common Stock.  Accrued dividends on the converted Series
A Preferred Stock in the aggregate of $1,824,000 were settled by the issuance of
235,231  shares of Common Stock.  The Company does not  presently  intend to pay
cash dividends on the Series A Preferred Stock. As of March 31, 1999, there were
$1,931,000 of unpaid dividends in arrears on the Series A Preferred Stock. These
dividends are payable in cash or Common Stock at the Company's option and accrue
on the outstanding Series A Preferred Stock at the rate of $214,000 per year.

     To date, the Company's sources of cash have been the proceeds from the sale
of its stock through public and private  placements,  sales of ADAGEN,  sales of
ONCASPAR,  sales of its products for research  purposes,  contract  research and
development fees, technology transfer and license fees and royalty advances. The
Company's  current  sources of  liquidity  are its cash,  cash  equivalents  and
interest earned on such cash reserves, sales of ADAGEN, sales of ONCASPAR, sales
of its products for research purposes and license fees. Based upon its currently
planned  research and  development  activities and related costs and its current
sources of liquidity,  the Company anticipates its current cash reserves will be
sufficient to meet its capital and operational  requirements for the foreseeable
future.


                                       10
<PAGE>


     Upon  exhaustion  of the  Company's  current cash  reserves,  the Company's
continued  operations will depend on its ability to realize significant revenues
from the commercial sale of its products,  raise additional funds through equity
or debt  financing,  or obtain  significant  licensing,  technology  transfer or
contract  research and  development  fees.  There can be no assurance that these
sales, financings or revenue generating activities will be successful.

Year 2000

     The Company has completed a review of its business  systems,  including its
computer systems and manufacturing  equipment, and has queried its customers and
vendors as to their progress in identifying  and addressing  problems that their
systems may face in correctly  interpreting  and processing date  information as
the year 2000 approaches and is reached.  Based on this review,  the Company has
implemented a plan to achieve year 2000 compliance. The Company believes that it
will achieve year 2000 compliance no later than September 1999 in a manner which
will be non-disruptive to its operations. In addition, the Company has commenced
work on various types of contingency planning to address potential problem areas
with internal systems and with suppliers and other third parties,  although such
plans have not yet been  determined.  The  Company  expects to have  completed a
substantial  portion  of this  contingency  planning  by June  1999.  Year  2000
compliance  is not  expected to have a material  adverse  effect on the Company,
including the Company's financial condition, results of operations or cash flow.
The Company estimates the total cost (including historical costs to date) of its
year 2000 efforts to be approximately $400,000. The total cost estimate is based
on management's current assessment and is subject to change.

Item 3. Quantitative and Qualitative Disclosures About Market Risk

     Not applicable.


                                       11
<PAGE>


PART II OTHER INFORMATION


Item 6. Exhibits and Reports on Form 8-K

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

<TABLE>
<CAPTION>
                                                                                                            Page Number
                                                                                                                or
      Exhibit                                                                                               Incorporation
       Number         Description                                                                           By Reference
       ------         -----------                                                                           ------------
<S>   <C>         <C>                                                                                        <C>
        3(i)      Certificate of Incorporation, as amended                                                            ~~
       3(ii)      By-laws, as amended                                                                             *(4.2)
      3(iii)      Certificate of Designations, Preferences and Rights of Series D Convertible
                    Preferred Stock                                                                             ^^3(iii)
       3(iv)      Amendment to Certificate of Incorporation dated January 5, 1998                                ##3(iv)
        10.0      Employment Agreement dated March 25, 1994 with Peter G. Tombros                            ++++(10.17)
        10.1      Form of Change of Control Agreements dated as of January 20, 1995 entered
                    into with the Company's Executive Officers                                                 ###(10.2)
        10.2      Lease - 300-C Corporate Court, South Plainfield, New Jersey                                  ***(10.3)
        10.4      Lease Termination Agreement dated March 31, 1995 for
                    20 Kingsbridge Road and 40 Kingsbridge Road, Piscataway, New Jersey                        ###(10.6)
        10.5      Option Agreement dated April 1, 1995 regarding 20 Kingsbridge Road,
                    Piscataway, New Jersey                                                                     ###(10.7)
        10.6      Form of Lease - 40 Cragwood Road, South Plainfield, New Jersey                              ****(10.9)
        10.7      Lease 300A-B Corporate Court, South Plainfield, New Jersey                                   ++(10.10)
        10.8      Stock Purchase Agreement dated March 5, 1987 between the Company and
                    Eastman Kodak Company                                                                     ****(10.7)
        10.9      Amendment dated June 19, 1989 to Stock Purchase Agreement between the
                    Company and Eastman Kodak Company                                                          **(10.10)
       10.10        Form of Stock  Purchase  Agreement  between  the Company and the
                    purchasers of the Series A Cumulative
                    Convertible Preferred Stock                                                                 +(10.11)
       10.11      Amendment to License Agreement and Revised License Agreement
                    between the Company and RCT dated April 25, 1985                                           +++(10.5)
       10.12      Amendment dated as of May 3, 1989 to Revised License Agreement
                    dated April 25, 1985 between the Company and Research Corporation                          **(10.14)
       10.13      License Agreement dated September 7, 1989 between the Company and
                    Research Corporation Technologies, Inc.                                                    **(10.15)
       10.14      Master Lease Agreement and Purchase Leaseback Agreement dated
                    October 28, 1994 between the Company and Comdisco, Inc.                                     #(10.16)
       10.15      Employment Agreement with Peter G. Tombros dated as of
                    April 5, 1997                                                                              ^^(10.15)
       10.16      Stock Purchase Agreement dated as of June 30, 1995                                            ~(10.16)
       10.17      Securities Purchase Agreement dated as of January 31, 1996                                    ~(10.17)
       10.18      Registration Rights Agreements dated as of January 31, 1996                                   ~(10.18)
       10.19      Warrants dated as of February 7, 1996 and issued pursuant to the Securities
                   Purchase Agreement dated as of January 31, 1996                                              ~(10.19)
</TABLE>


                                       12
<PAGE>


<TABLE>
<CAPTION>
<S>    <C>        <C>                                                                                        <C>
       10.20      Securities Purchase Agreement dated as of March 15, 1996                                     ~~(10.20)
       10.21      Registration Rights Agreement dated as of March 15, 1996                                     ~~(10.21)
       10.22      Warrant dated as of March 15, 1996 and issued pursuant to the Securities Purchase
                  Agreement dated as of March 15, 1996                                                         ~~(10.22)
       10.23      Amendment dated March 25, 1994 to License Agreement dated
                    September 7, 1989 between the Company and Research Corporation
                    Technologies, Inc.                                                                        ~~~(10.23)
       10.24      Independent Directors' Stock Plan                                                           ~~~(10.24)
       10.25      Stock Exchange Agreement dated February 28, 1997, by and between the
                    Company and GFL Performance Fund Ltd.                                                       ^(10.25)
       10.26      Agreement Regarding Registration Rights Under Registration Rights Agreement
                    dated March 10, 1997, by and between the Company and Clearwater Fund IV
                    LLC                                                                                         ^(10.26)
       10.27      Common Stock Purchase Agreement dated June 25, 1998                                         ^^^(10.27)
       10.28      Placement Agent Agreement dated June 25, 1998 with SBC Warburg
                    Dillon Read, Inc.                                                                        ^^^^(10.28)
        27.0      Financial Data Schedule                                                                             o
        99.0      Factors to Consider in Connection with Forward-Looking Statements                           ^^^^(99.0)
</TABLE>


o    Filed herewith.

*    Previously filed as an exhibit to the Company's  Registration  Statement on
     Form S-2 (File No. 33-34874) and incorporated herein by reference thereto.

**   Previously  filed as exhibits to the  Company's  Annual Report on Form 10-K
     for the  fiscal  year  ended  June 30,  1989  and  incorporated  herein  by
     reference thereto.

***  Previously filed as an exhibit to the Company's  Registration  Statement on
     Form S-18  (File  No.  2-88240-NY)  and  incorporated  herein by  reference
     thereto.

**** Previously  filed as exhibits to the  Company's  Registration  Statement on
     Form S-1 (File No.  2-96279)  filed with the  Commission  and  incorporated
     herein by reference thereto.

+    Previously filed as an exhibit to the Company's  Registration  Statement on
     Form S-1 (File No.  33-39391)  filed with the Commission  and  incorporated
     herein by reference thereto.

++   Previously  filed as an exhibit to the Company's Annual Report on Form 10-K
     for the  fiscal  year  ended  June 30,  1993  and  incorporated  herein  by
     reference thereto.

+++  Previously  filed as an exhibit to the Company's Annual Report on Form 10-K
     for the  fiscal  year  ended  June 30,  1985  and  incorporated  herein  by
     reference thereto.

++++ Previously filed as an exhibit to the Company's  Current Report on Form 8-K
     dated April 5, 1994 and incorporated herein by reference thereto.

#    Previously  filed as an exhibit to the Company's  Quarterly  Report on Form
     10-Q for the quarter  ended  December 31, 1994 and  incorporated  herein by
     reference thereto.


                                       13
<PAGE>


##   Previously  filed as an exhibit to the Company's  Quarterly  Report on Form
     10-Q for the quarter  ended  December 31, 1997 and  incorporated  herein by
     reference thereto.

###  Previously  filed as an exhibit to the Company's  Quarterly  Report on Form
     10-Q for the  quarter  ended  March  31,  1995 and  incorporated  herein by
     reference thereto.

~    Previously  filed as an exhibit to the Company's  Quarterly  Report on Form
     10-Q for the quarter  ended  December 31, 1995 and  incorporated  herein by
     reference thereto.

~~   Previously  filed as an exhibit to the Company's  Quarterly  Report on Form
     10-Q for the  quarter  ended  March  31,  1996 and  incorporated  herein by
     reference thereto.

~~~  Previously  filed as an exhibit to the Company's  Quarterly  Report on Form
     10-Q for the quarter  ended  December 31, 1996 and  incorporated  herein by
     reference thereto.

^    Previously  filed as an exhibit to the Company's  Quarterly  Report on Form
     10-Q for the  quarter  ended  March  31,  1997 and  incorporated  herein by
     reference thereto.

^^   Previously  filed as an exhibit to the Company's Annual Report on Form 10-K
     for the year  ended  June 30,  1997 and  incorporated  herein by  reference
     thereto.

^^^  Previously filed as an exhibit to the Company's  Registration  Statement on
     Form S-3 (File No.  333-58269)  filed with the Commission and  incorporated
     herein by reference thereto.

^^^^ Previously  filed as an exhibit to the Company's Annual Report on Form 10-K
     for the year  ended  June 30,  1998 and  incorporated  herein by  reference
     thereto.


(b)  Reports on Form 8-K

     On January 15, 1999, the Company filed with the Commission a Current Report
on Form 8-K dated December 14, 1998, related to a patent infringement suit filed
by the Company, in New Jersey Federal Court, against Shearwater  Polymers,  Inc.
for infringement of U.S. Patent  5,643,575,  one of the patents which covers the
Company's second generation PEG technology.


                                       14
<PAGE>


                                   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.

                                            ENZON, INC.
                                            -----------
                                            (Registrant)



Date: May 10, 1999                          By: /s/Peter G. Tombros
                                               --------------------------
                                            Peter G. Tombros
                                            President and Chief Executive
                                             Officer



                                            By: /s/Kenneth J. Zuerblis
                                               --------------------------
                                            Kenneth J. Zuerblis
                                            Vice President, Finance and
                                             Chief Financial Officer


                                       15

<TABLE> <S> <C>


<ARTICLE>                     5
<LEGEND>
This schedule contains summary financial  information  extracted from the Enzon,
Inc. and Subsidiaries  Consolidated Condensed Balance Sheet as of March 31, 1999
and the  Consolidated  Condensed  Statement of Operations for the three and nine
months  ended March 31, 1999 and is  qualified  in its  entirety by reference to
such financial statements.
</LEGEND>
       
<S>                                    <C>                      <C>
<PERIOD-TYPE>                          3-Mos                    9-Mos
<FISCAL-YEAR-END>                              Jun-30-1999            Jun-30-1999
<PERIOD-END>                                   Mar-31-1999            Mar-31-1999
<CASH>                                         $24,794,351            $24,794,351
<SECURITIES>                                             0                      0
<RECEIVABLES>                                    4,563,937              4,563,937
<ALLOWANCES>                                             0                      0
<INVENTORY>                                      1,267,379              1,267,379
<CURRENT-ASSETS>                                31,177,815             31,177,815
<PP&E>                                          12,607,596             12,607,596
<DEPRECIATION>                                  11,179,379             11,179,379
<TOTAL-ASSETS>                                  34,460,127             34,460,127
<CURRENT-LIABILITIES>                            6,846,181              6,846,181
<BONDS>                                                  0                      0
                                    0                      0
                                          1,070                  1,070
<COMMON>                                           362,696                362,696
<OTHER-SE>                                      25,897,430             25,897,430
<TOTAL-LIABILITY-AND-EQUITY>                    34,460,127             34,460,127
<SALES>                                          3,136,325              9,854,438
<TOTAL-REVENUES>                                 3,148,196              9,933,784
<CGS>                                            1,305,135              3,643,931
<TOTAL-COSTS>                                    4,877,259             14,282,621
<OTHER-EXPENSES>                                         0                      0
<LOSS-PROVISION>                                         0                      0
<INTEREST-EXPENSE>                                     293                  8,348
<INCOME-PRETAX>                                 (1,440,854)            (3,425,968)
<INCOME-TAX>                                             0                      0
<INCOME-CONTINUING>                             (1,440,854)            (3,425,968)
<DISCONTINUED>                                           0                      0
<EXTRAORDINARY>                                          0                      0
<CHANGES>                                                0                      0
<NET-INCOME>                                    (1,440,854)            (3,425,968)
<EPS-PRIMARY>                                        (0.04)                 (0.10)
<EPS-DILUTED>                                        (0.04)                 (0.10)
        


</TABLE>


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