INTERNATIONAL SPECIALTY PRODUCTS INC
10-K, 1998-03-27
INDUSTRIAL ORGANIC CHEMICALS
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                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                    FORM 10-K

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

              |X| ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(D) OF
                       THE SECURITIES EXCHANGE ACT OF 1934
                   FOR THE FISCAL YEAR ENDED DECEMBER 31, 1997
                                       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 1-10788

                      INTERNATIONAL SPECIALTY PRODUCTS INC.
             (Exact name of registrant as specified in its charter)

                DELAWARE                                 51-0333696
        (State of Incorporation)            (I.R.S. Employer Identification No.)

          818 WASHINGTON STREET
          WILMINGTON, DELAWARE                             19801
(Address of Principal Executive Offices)                (Zip Code)

       REGISTRANT'S TELEPHONE NUMBER, INCLUDING AREA CODE: (302) 429-8554
          SECURITIES REGISTERED PURSUANT TO SECTION 12(B) OF THE ACT:

                                                   NAME OF EACH EXCHANGE
         TITLE OF EACH CLASS                        ON WHICH REGISTERED
         -------------------                        -------------------
Common Stock, par value $.01 per share            New York Stock Exchange

        SECURITIES REGISTERED PURSUANT TO SECTION 12(G) OF THE ACT: None

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

                         COMMISSION FILE NUMBER 33-44862

                               ISP CHEMICALS INC.
             (Exact name of registrant as specified in its charter)

                DELAWARE                               13-3416260
        (State of Incorporation)            (I.R.S. Employer Identification No.)
   RT. 95 INDUSTRIAL AREA, P.O. BOX 37
         CALVERT CITY, KENTUCKY                            42029
(Address of Principal Executive Offices)                (Zip Code)

       REGISTRANT'S TELEPHONE NUMBER, INCLUDING AREA CODE: (502) 395-4165
        SECURITIES REGISTERED PURSUANT TO SECTION 12(B) OF THE ACT: None
        SECURITIES REGISTERED PURSUANT TO SECTION 12(G) OF THE ACT: None

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

                       COMMISSION FILE NUMBER 33-44862-01

                              ISP TECHNOLOGIES INC.
             (Exact name of registrant as specified in its charter)

                DELAWARE                              51-0333795
        (State of Incorporation)            (I.R.S. Employer Identification No.)
   STATE HIGHWAY 146 & INDUSTRIAL ROAD

           TEXAS CITY, TEXAS                             77590
(Address of Principal Executive Offices)               (Zip Code)

       REGISTRANT'S TELEPHONE NUMBER, INCLUDING AREA CODE: (409) 945-3411
        SECURITIES REGISTERED PURSUANT TO SECTION 12(B) OF THE ACT: NONE
        SECURITIES REGISTERED PURSUANT TO SECTION 12(G) OF THE ACT: NONE

                    SEE TABLE OF ADDITIONAL REGISTRANTS BELOW

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

<PAGE>

     INDICATE  BY CHECK MARK  WHETHER THE  REGISTRANT  (1) HAS FILED ALL REPORTS
REQUIRED TO BE FILED BY SECTION 13 OR 15(D) OF THE  SECURITIES  EXCHANGE  ACT OF
1934  DURING  THE  PRECEDING  12 MONTHS  (OR FOR SUCH  SHORTER  PERIOD  THAT THE
REGISTRANT WAS REQUIRED TO FILE SUCH REPORTS),  AND (2) HAS BEEN SUBJECT TO SUCH
FILING REQUIREMENTS FOR THE PAST 90 DAYS. YES _X_ NO ___

     INDICATE BY CHECK MARK IF DISCLOSURE OF DELINQUENT  FILERS PURSUANT TO ITEM
405 OF REGULATION S-K IS NOT CONTAINED HEREIN, AND WILL NOT BE CONTAINED, TO THE
BEST KNOWLEDGE OF INTERNATIONAL  SPECIALTY PRODUCTS INC., IN DEFINITIVE PROXY OR
INFORMATION  STATEMENTS  INCORPORATED BY REFERENCE IN PART III OF THIS FORM 10-K
OR ANY AMENDMENT TO THIS FORM 10-K. __

     AS OF MARCH 20, 1998,  96,057,477  SHARES OF COMMON STOCK OF  INTERNATIONAL
SPECIALTY  PRODUCTS INC.  WERE  OUTSTANDING.  THE AGGREGATE  MARKET VALUE OF THE
VOTING STOCK HELD BY NON-AFFILIATES OF INTERNATIONAL  SPECIALTY PRODUCTS INC. AS
OF MARCH 20, 1998 WAS  $275,958,356.63.  THE AGGREGATE MARKET VALUE WAS COMPUTED
BY REFERENCE TO THE CLOSING PRICE ON THE NEW YORK STOCK EXCHANGE OF COMMON STOCK
OF INTERNATIONAL  SPECIALTY PRODUCTS INC. ON SUCH DATE ($17 15/16). FOR PURPOSES
OF THE COMPUTATION, VOTING STOCK HELD BY EXECUTIVE OFFICERS AND DIRECTORS OF THE
REGISTRANTS  AND ISP HOLDINGS  INC.,  AN AFFILIATE  OF  INTERNATIONAL  SPECIALTY
PRODUCTS INC., HAS BEEN EXCLUDED.  SUCH EXCLUSION IS NOT INTENDED, AND SHALL NOT
BE DEEMED,  TO BE AN ADMISSION  THAT SUCH  EXECUTIVE  OFFICERS AND DIRECTORS ARE
AFFILIATES OF INTERNATIONAL SPECIALTY PRODUCTS INC.

     AS OF MARCH 20, 1998, ISP CHEMICALS INC. AND ISP TECHNOLOGIES INC. EACH HAD
10 SHARES OF COMMON STOCK OUTSTANDING. NO SHARES ARE HELD BY NON-AFFILIATES.

     AS OF MARCH 20, 1998, EACH OF THE ADDITIONAL  REGISTRANTS HAD THE NUMBER OF
SHARES  OUTSTANDING  WHICH IS SHOWN ON THE TABLE  BELOW.  NO SHARES  ARE HELD BY
NON-AFFILIATES.


                       DOCUMENTS INCORPORATED BY REFERENCE

     The  Proxy  Statement  for the  1998  Annual  Meeting  of  Stockholders  of
International  Specialty  Products  Inc.  to be filed  within 120 days after the
Registrants'  fiscal  year  end  (the  "Proxy  Statement")  is  incorporated  by
reference in Part III, Items 10, 11, 12 and 13.




<PAGE>

                             ADDITIONAL REGISTRANTS

<TABLE>
<CAPTION>
                                                                                             ADDRESS, INCLUDING ZIP CODE
                                        STATE OR OTHER                                             AND TELEPHONE
      EXACT NAME OF                     JURISDICTION OF        NO.       I.R.S. EMPLOYER     NUMBER, INCLUDING AREA CODE,
 REGISTRANT AS SPECIFIED               INCORPORATION OR    OF SHARES     IDENTIFICATION            OF REGISTRANT'S
     IN ITS CHARTER                      ORGANIZATION     OUTSTANDING          NO.           PRINCIPAL EXECUTIVE OFFICE
     --------------                      ------------     -----------    ---------------     --------------------------
<S>                                         <C>                <C>          <C>              <C>
ISP (PUERTO RICO) INC ...................   Delaware           10           22-2934561       Mirador de Bairoa
                                                                                             Calle 27st-14
                                                                                             Caquas, Puerto Rico 00725-8900
                                                                                             (787) 744-3116
                                                                                            
ISP ENVIRONMENTAL                                                                           
    SERVICES INC ........................   Delaware           10           51-0333801       1361 Alps Road
                                                                                             Wayne, NJ 07470
                                                                                             (973) 628-3000
                                                                                            
ISP FILTERS INC .........................   Delaware           10           51-0333796       4436 Malone Road
                                                                                             Memphis, TN 38118
                                                                                             (901) 795-2445
                                                                                            
ISP GLOBAL TECHNOLOGIES INC..............   Delaware           10           51-0333802       818 Washington Street
                                                                                             Wilmington, DE 19801
                                                                                             (302) 429-7492
                                                                                            
ISP INTERNATIONAL CORP ..................   Delaware           10           51-0333734       818 Washington Street
                                                                                             Wilmington, DE 19801
                                                                                             (302) 429-7493
                                                                                            
ISP INVESTMENTS INC .....................   Delaware           10           51-0333803       818 Washington Street
                                                                                             Wilmington, DE 19801
                                                                                             (302) 429-7496
                                                                                            
ISP MANAGEMENT COMPANY, INC .............   Delaware           10           51-0333800       1361 Alps Road
                                                                                             Wayne, NJ 07470
                                                                                             (973) 628-3000
                                                                                            
ISP MINERAL PRODUCTS INC ................   Delaware           10           51-0333794       34 Charles Street
                                                                                             Hagerstown, MD 21740
                                                                                             (301) 733-4000
                                                                                            
ISP MINERALS INC ........................   Delaware           10           51-0333798       Route 116
                                                                                             Blue Ridge Summit, PA 17214
                                                                                             (717) 794-2184
                                                                                            
ISP REAL ESTATE COMPANY, INC ............   Delaware            2           22-2886551       1361 Alps Road
                                                                                             Wayne, NJ 07470
                                                                                             (973) 628-3000
                                                                                            
ISP REALTY CORPORATION ..................   Delaware        1,000           13-2720081       1361 Alps Road
                                                                                             Wayne, NJ 07470
                                                                                             (973) 628-3000
                                                                                            
VERONA INC ..............................   Delaware          100           22-3036319       NCNB Plaza, Suite 300
                                                                                             7 North Laurens St.
                                                                                             Greenville, SC 29601
                                                                                             (803) 271-9194
                                                                                            
BLUEHALL INCORPORATED ...................   Delaware            1           13-3335905       818 Washington Street
                                                                                             Wilmington, DE 19801
                                                                                             (302) 651-0165
</TABLE>

<PAGE>

                                     PART I


ITEM 1.  BUSINESS


GENERAL

     International  Specialty  Products Inc. ("ISP") is a leading  multinational
manufacturer of specialty chemicals, mineral products and filter products.

     ISP,  incorporated in Delaware in 1991,  operates its business  exclusively
through 20 domestic subsidiaries, including ISP Chemicals Inc., ISP Technologies
Inc.,  ISP Van Dyk Inc., ISP Fine Chemicals Inc. and ISP Freetown Fine Chemicals
Inc.,   37   international   subsidiaries   and  a  joint   venture   with  Huls
Aktiengesellschaft,  a German  corporation  ("Huls AG"),  in which ISP has a 50%
interest and which  operates under the name GAF-Huls  Chemie GmbH  ("GAF-Huls").
Except as the  context  otherwise  requires,  "ISP" or the  "Company"  refers to
International   Specialty   Products  Inc.  and  its   subsidiaries   and  their
predecessors.

     ISP is an 84% owned subsidiary of ISP Holdings Inc. ("ISP  Holdings").  ISP
is indirectly controlled by Samuel J. Heyman, Chairman of the Board of Directors
and Chief Executive Officer of ISP, ISP Holdings and GAF Corporation ("GAF"). On
January  1,  1997,  GAF  effected a series of  transactions  (collectively,  the
"Separation  Transactions")  involving its subsidiaries  that resulted in, among
other  things,  the  capital  stock of ISP  Holdings  being  distributed  to the
stockholders  of GAF. As a result of the Separation  Transactions,  ISP Holdings
and ISP are no longer  direct or indirect  subsidiaries  of GAF or G-I  Holdings
Inc. ("G-I Holdings"), a subsidiary of GAF.

     ISP  Chemicals  Inc.  ("ISP   Chemicals"),   ISP  Technologies  Inc.  ("ISP
Technologies") and the additional  registrants are consolidated  subsidiaries of
ISP and,  together with ISP Van Dyk Inc., ISP Fine Chemicals  Inc., ISP Freetown
Fine Chemicals Inc.,  International  Specialty Products Funding  Corporation and
ISP Newark Inc.,  constitute all of the active domestic subsidiaries of ISP. ISP
Chemicals was incorporated in Delaware in 1987 under the name Nordenham Inc. ISP
Technologies was incorporated in Delaware in 1991 under the name ISP 6 Corp.

     The address and telephone number of the principal  executive offices of ISP
are: 818 Washington Street, Wilmington,  Delaware 19801; (302) 429-8554 or (800)
526-5315. The address and telephone number of the principal executive offices of
ISP Chemicals are: Route 95 Industrial Area, P.O. Box 37, Calvert City, Kentucky
42029;  (502)  395-4165.  The  address  and  telephone  number of the  principal
executive  offices of ISP  Technologies  are:  State Highway 146 and  Industrial
Road, Texas City, Texas 77590; (409) 945-3411.

     Financial  information  concerning ISP's industry  segments and foreign and
domestic  operations  required  by  Item 1 is  included  in  Notes  10 and 11 to
Consolidated Financial Statements contained in this Annual Report on Form 10-K.

SPECIALTY CHEMICALS

     Products  and  Markets.  ISP  manufactures  a broad  spectrum of  specialty
chemicals having numerous applications in consumer and industrial products.  ISP
uses proprietary technology to convert various raw materials, through a chain of
one or more processing steps,  into increasingly  complex and higher value added
specialty  chemicals to meet  specific  customer  requirements.  The majority of
ISP's  specialty  chemical  products  are  derived  from  acetylene,   including
intermediates,  solvents, vinyl ethers and polymers, and sales of these products
represent the majority of ISP's specialty chemical sales.

     ISP's  specialty  chemicals  consist of ten main groups of products:  vinyl
ether  polymers,  polyvinyl  pyrrolidone  polymers,   solvents,   intermediates,
specialty  preservatives,  sunscreens,  emollients,  pearlescent pigments,  fine
chemicals and advanced materials.

     Vinyl  ether   polymers  are  used  by  the   cosmetics,   personal   care,
pharmaceutical and health-related industries,  primarily in hair care and dental
care products.  Vinyl ether monomers and oligomers are used in coatings and inks
for both consumer and industrial products.

     Polyvinyl  pyrrolidone  (PVP)  polymers are used  primarily  in  cosmetics,
personal care,  pharmaceutical and health-related  products, food and beverages,
and detergent  formulations.  Examples are binders and disintegrants for tablets
and vitamins;  clarifiers and chill-hazing elimination agents for beer, wine and
fruit  juices;  microbiocidal  products for human and  veterinary  applications;
resins for hair care products such as hair sprays,  mousses,  conditioners,  


                                       1
<PAGE>

and gels;  water  proofing  ingredients  in mascaras,  sunscreens and lipsticks;
multifunctional  polymers for specialty  coatings,  adhesives,  ink-jet inks and
media for consumer and industrial  applications;  and dispersants and binders in
agricultural chemical formulations.

     Solvents  are  sold  to  customers  for  use  in  agricultural   chemicals,
pharmaceuticals,   coatings,  wire  enamels,  adhesives,  plastics,  electronics
coating and cleaning applications,  petroleum extraction and specialty cleaners.
ISP's  family  of  solvents  includes,  among  others,   N-methyl-2-pyrrolidone,
tetrahydrofuran,  gamma-butyrolactone  and 2-pyrrolidone,  of which the last two
solvents  also are used by ISP as raw materials in the  manufacture  of monomers
and polymers.

     Intermediates are manufactured primarily for use by ISP as raw materials in
manufacturing  solvents  and  polymers.  Some  intermediates  are  also  sold to
customers for use in the  manufacture  of engineering  plastics and  elastomers,
agricultural   chemicals,   oil  production   auxiliaries  and  other  products.
Butanediol, an intermediate produced by ISP, is an essential raw material in the
manufacture of polybutylene terephthalate  thermoplastic resins and polyurethane
elastomers,  which  are  used  in  the  automotive,  electronics  and  appliance
industries.

     Specialty   preservatives  are  proprietary   products  that  are  marketed
worldwide to the cosmetics,  personal care and household industries. ISP sells a
number of  preservative  products,  including  Germall(R)  115,  Germall(R)  II,
Germall(R)  Plus,   Germaben(R)  II,   Germaben(R)  II-E,   Suttocide(R)  A  and
LiquaPar(R) Oil. Uses include infant care  preparations,  eye and facial makeup,
after-shave and nail, bath, hair and skin preparations.

     ISP Van Dyk Inc. produces three multifunctional  specialty chemical product
lines  which  ISP  markets   primarily  to  the   cosmetics  and  personal  care
industry--ultraviolet  absorber  chemicals,  the principal active ingredients in
sunscreens;  pearlescent pigments, which provide the pearly or lustrous color in
lipsticks,  eye shadows and other  cosmetics;  and emollients  and  emulsifiers,
which are used as moisturizing  and softening  agents in a variety of creams and
lotions,  hair care  products  and other  cosmetics.  ISP Van Dyk's  Escalol(R),
Pearl-Glo(R) and Ceraphyl(R) products are widely recognized for their respective
sunscreen, pigment and emollient properties.

     ISP's fine  chemicals  business  produces a broad  range of  pharmaceutical
intermediates,   biological   buffers,   pheromones   and  several  bulk  active
pharmaceuticals which serve the pharmaceutical,  biotechnology, agricultural and
chemical process industries.  Fine chemicals are extremely specialized products,
made in small  quantities,  which because of their  complexity  can be priced at
several hundred to several thousand  dollars per kilogram.  ISP's fine chemicals
business  also   provides  a  custom   manufacturing   capability   serving  the
pharmaceutical, biotechnology, agricultural and chemical process industries.

     On February 19, 1998, ISP acquired from Polaroid  Corporation  ("Polaroid")
the  assets  of  Polaroid's  fine  chemicals   facility   located  in  Freetown,
Massachusetts  and entered into a long-term  supply and license  agreement  with
Polaroid to produce the imaging  chemicals  and polymers used by Polaroid in its
instant film  business.  The Company  currently  plans to expand the  production
capability  at this  facility to include the  manufacture  of certain  specialty
chemical  product  lines for the  personal  care  industry  and to offer  custom
manufacturing capability to the pharmaceutical,  biotechnology, agricultural and
chemical process industries.

     ISP manufactures a variety of advanced materials, consisting of high-purity
carbonyl iron powders, sold under ISP's trademark Micropowder(R), which are used
in a variety of advanced technology  applications for the aerospace and defense,
electronics,  powder  metallurgy,  pharmaceutical  and  food  industries.  Using
proprietary  technology,  ISP  manufactures  more  than 50  different  grades of
Micropowder(R) iron, one of which is sold under the trademark  Ferronyl(R),  for
use as a vitamin  supplement.  The primary markets for ISP's  Micropowder(R) are
the domestic  defense  industry,  which employs  these  products in a variety of
coating systems for stealth  purposes in aircraft and naval ships, and the metal
injection molding segment of the powder metallurgy industry.  ISP believes it is
the sole domestic manufacturer of carbonyl iron powders. ISP also manufactures a
line of processless,  electronically imaged film products, including Rad-Sure(R)
which is a  radiation  sensitive  film strip  affixed to blood bags to  indicate
whether or not they have been properly irradiated.

     Marketing  and  Sales.  ISP  markets  its  specialty  chemicals  through  a
worldwide  marketing and sales force,  typically chemists or chemical engineers,
who work  closely  with ISP's  customers to  familiarize  themselves  with their
customers'  products,  manufacturing  processes  and  markets.  ISP conducts its
marketing and domestic sales from ISP's  headquarters  in Wayne,  New Jersey and
regional offices strategically located throughout the United States.



                                       2
<PAGE>

     International  Operations.  ISP  markets  all  of its  specialty  chemicals
worldwide. ISP conducts its international operations through 37 subsidiaries and
41 sales offices located in Europe,  Canada,  Latin America and the Asia-Pacific
region. Services of local distributors are also used to reach markets that might
otherwise be unavailable to ISP.

     ISP had approximately  66% of its international  sales in 1997 in countries
in Europe and Japan  which are  subject to currency  exchange  rate  fluctuation
risks.  For a discussion of the  Company's  policy  regarding the  management of
these  risks,  see Item 7,  "Management's  Discussion  and Analysis of Financial
Condition and Results of  Operations--Liquidity  and Financial Condition." Other
countries  in which the  Company  has sales are  subject  to  additional  risks,
including high rates of inflation,  exchange controls,  government expropriation
and general instability.

     International sales in 1997 of ISP's specialty  chemicals,  excluding sales
by GAF-Huls, were approximately 45% of ISP's total 1997 sales. GAF-Huls, a joint
venture in which ISP holds a 50% interest,  produces certain  intermediates  and
solvents. The GAF-Huls plant is located in Marl, Germany.

     Raw Materials.  Because of the multi-step processes required to manufacture
ISP's specialty chemicals, ISP believes that its raw materials costs represent a
smaller  percentage  of the cost of goods  sold  than  for most  other  chemical
companies.  It is estimated that approximately  one-third of ISP's manufacturing
costs are for raw  materials  (including  energy  and  packaging).  As a result,
fluctuations  in the  pricing of raw  materials  have less impact on ISP than on
those  chemical  companies  for which raw  materials  costs  represent  a larger
percent of manufacturing costs.

     The principal  raw materials  used in the  manufacture  of ISP's  specialty
chemicals are acetylene,  methanol and methylamine.  Most of these raw materials
are obtained from outside sources pursuant to supply  agreements.  Acetylene,  a
significant  raw  material  used in the  production  of most of ISP's  specialty
chemicals,  is obtained by ISP for domestic use from two unaffiliated  suppliers
pursuant to supply  contracts.  At ISP's Texas City and Seadrift,  Texas plants,
acetylene is supplied via pipeline by a neighboring large multinational  company
that generates this raw material as a by-product from ethylene  manufacture.  At
ISP's Calvert City,  Kentucky facility,  acetylene is supplied via pipeline by a
neighboring  company  that  generates  it from calcium  carbide.  The  acetylene
utilized by GAF-Huls is produced by Huls AG,  using a  proprietary  electric arc
process,  sourced from various  hydrocarbon  feedstocks.  ISP believes that this
diversity of supply sources, using a number of production technologies (ethylene
by-product,  calcium  carbide and  electric  arc),  provides ISP with a reliable
supply of acetylene. In the event of a substantial interruption in the supply of
acetylene from current sources, no assurances can be made that ISP would be able
to obtain as much acetylene from other sources as would be necessary to meet its
supply requirements.  ISP has a long-standing  agreement with GAF-Huls to import
butanediol  into the United States for use as a feedstock for the  production of
ISP's  solvents and polymers.  ISP has not  experienced an  interruption  of its
acetylene  supply  that  has had a  material  adverse  effect  on its  sales  of
specialty chemicals.

     Availability of other raw materials,  including  methanol and  methylamine,
remained  adequate  during  1997.  ISP  believes  that in the  event of a supply
interruption  it could  obtain  adequate  supplies  of such raw  materials  from
alternate sources.

     Natural gas and raw  materials  derived from  petroleum are used in many of
ISP's manufacturing  processes and, consequently,  the price and availability of
petroleum  and natural gas could be material to ISP's  operations.  During 1997,
crude oil and natural gas supplies  remained  adequate,  while prices  generally
demonstrated seasonal variations.

MINERAL PRODUCTS

     Products and Markets.  ISP  manufactures  mineral  products  consisting  of
ceramic-coated  colored roofing granules,  which are produced from rock deposits
that are mined and crushed at ISP's  quarries and are colored and coated using a
proprietary  process.  ISP's mineral roofing  granules are sold primarily to the
North American  roofing  industry for use in the  manufacture of asphalt roofing
shingles, for which they provide weather resistance,  decorative coloring,  heat
deflection  and increased  weight.  ISP is the second  largest of only two major
suppliers of colored roofing granules in North America. ISP also markets granule
by-products for use in the construction  and maintenance of fast dry,  clay-like
tennis courts.

     ISP estimates that more than 80% of the asphalt shingles currently produced
by the roofing industry are sold for the reroofing/replacement  market, in which
demand is driven  not by the pace of new home  construction  but by the needs of
homeowners to replace existing roofs.  Homeowners  generally replace their roofs
either because they are worn, thereby creating concerns as to weather-tightness,
or because of the  homeowners'  desire to upgrade the 


                                       3
<PAGE>

appearance  of their  homes.  ISP  estimates  that the  balance  of the  roofing
industry's asphalt shingle  production  historically has been sold primarily for
use in new housing  construction.  Sales of ISP's colored mineral  granules have
benefited   from  a   trend   toward   the   increased   use   of   heavyweight,
three-dimensional  laminated  roofing  shingles which results in both functional
and aesthetic  improvements,  which require, on average,  approximately 60% more
granules than traditional three-tab, lightweight roofing shingles.

     Sales to Building Materials  Corporation of America ("BMCA"),  an affiliate
of the Company,  and its  subsidiary,  U.S.  Intec,  Inc.  ("USI"),  constituted
approximately  62% of ISP's  mineral  products  net sales in 1997.  See Item 13,
"Certain  Relationships  and Related  Transactions"  and Note 9 to  Consolidated
Financial Statements.

     Raw  Materials.  ISP owns  rock  deposits  that have  specific  performance
characteristics,  including  weatherability,  the  ability  to reflect UV light,
abrasion-resistance,  non-staining  characteristics  and the  ability  to absorb
pigments. ISP owns three quarries,  each with proven reserves,  based on current
production levels, of more than 20 years.

FILTER PRODUCTS

     ISP manufactures  and sells filter products,  consisting of pressure filter
vessels,  filter bags and filter systems. These filter products are designed for
the removal of macroscopic contaminants in the treatment of process liquids. The
paint,  automotive,  chemical,  pharmaceutical,  petroleum and food and beverage
industries accounted for almost all of ISP's 1997 net sales of filter products.

     ISP  manufactures  pressure filter vessels at  manufacturing  facilities in
Brazil,  Canada and Germany,  which serve both local and international  markets.
ISP also manufactures filter bags in Belgium, Canada, Singapore,  Brazil and the
United States and supplies filter products  worldwide  through its subsidiaries,
sales offices and distributors.

COMPETITION

     ISP believes that it is either the first or second largest seller worldwide
of its specialty  chemicals  derived from  acetylene  other than  butanediol and
tetrahydrofuran.  Butanediol,  which  ISP  produces  primarily  for use as a raw
material,  is also  manufactured  by a limited number of companies in the United
States, Germany, Japan and Korea. Tetrahydrofuran is manufactured by a number of
companies  throughout the world.  While there are companies,  other than ISP and
its  principal  competitor,  that  manufacture  a limited  number of ISP's other
specialty chemicals, the market position of these companies is much smaller than
that of ISP (other than as to solvents and intermediates,  with respect to which
there is a significant  second  competitor and a new entrant in the market).  In
addition to ISP's  competition  as noted above,  there are other  companies that
produce substitutable products for a number of ISP's specialty chemicals.  These
companies  compete  with  ISP in the  personal  care,  pharmaceutical,  beverage
preservative and industrial markets and have the effect of limiting ISP's market
penetration and pricing  flexibility.  With respect to advanced  materials,  ISP
believes it is the sole domestic  manufacturer  of carbonyl iron powders and one
of only two manufacturers worldwide.

     With regard to its mineral products, ISP has only one major and one smaller
competitor  and  believes  that   competition  has  been  limited  by:  (i)  the
substantial capital expenditures associated with the construction of new mineral
processing  and coloring  plants and the  acquisition of suitable rock reserves;
(ii) the limited  availability  of proven  rock  sources;  (iii) the  complexity
associated  with the  construction  of a mineral  processing and coloring plant,
together with the technical  know-how required to operate such a plant; (iv) the
need to obtain, prior to commencing operations, reliable data over a substantial
period of time  regarding  the  weathering  of  granules  in order to assure the
quality and  durability of the product;  and (v) the difficulty in obtaining the
necessary permits to mine and operate a quarry.

     With respect to filter  products,  ISP competes  with a number of companies
worldwide.

     Competition is largely based upon product and service quality,  technology,
distribution  capability and price.  ISP believes that it is well  positioned in
the marketplace as a result of its broad product lines, sophisticated technology
and worldwide distribution network.

RESEARCH AND DEVELOPMENT

     ISP's worldwide  research and development  expenditures were $21.9 million,
$25.4 million and $27.3 million in 1995, 1996 and 1997, respectively.

                                       4
<PAGE>

     ISP's research and development  activities are conducted primarily at ISP's
worldwide  technical center and  laboratories in Wayne,  New Jersey.  Additional
research and development is conducted at plant sites in Calvert City,  Kentucky,
Texas City,  Texas,  Chatham,  New  Jersey,  Belleville,  New Jersey,  Freetown,
Massachusetts  and Columbus,  Ohio and technical  centers in the United Kingdom,
Belgium,  Germany,  China and  Singapore.  ISP's mineral  products  research and
development  facility,  together with its customer  design and color center,  is
located at Hagerstown, Maryland.

ENVIRONMENTAL SERVICES

     ISP has received site designation for the construction of a hazardous waste
treatment,  storage and disposal facility at its Linden, New Jersey property and
has received approval from the New Jersey Turnpike Authority for a direct access
ramp from the New Jersey  Turnpike to the site. If ISP is successful in securing
the necessary permits to construct and operate the hazardous waste facility, ISP
intends to develop and operate the facility in a separate subsidiary,  either on
its own or in a joint venture with a suitable  partner.  ISP estimates  that the
cost of  constructing  the facility will be  approximately  $100 million and, if
approved,  the  facility is  anticipated  to be in  operation  three years after
commencement of construction.  ISP anticipates  utilizing  internally  generated
cash and/or seeking project or other independent financing for this project.


PATENTS AND TRADEMARKS

     ISP owns or licenses  approximately 342 domestic and 343 foreign patents or
patent  applications and owns or licenses  approximately  129 domestic and 1,337
foreign trademark  registrations or applications related to the business of ISP.
While the  Company  believes  the  patent  protection  covering  certain  of its
products to be material to those products, the Company does not believe that any
single patent,  patent application or trademark is material to ISP's business or
operations.

     The Company  believes that the duration of the existing  patents and patent
licenses is satisfactory.

ENVIRONMENTAL COMPLIANCE

     Since 1970, a wide variety of federal,  state and local  environmental laws
and regulations relating to environmental  matters (the "Regulations") have been
adopted and amended.  By reason of the nature of the  operations  of the Company
and its  predecessor  and certain of the substances  that are or have been used,
produced or  discharged  at their plants or at other  locations,  the Company is
affected by the Regulations.  The Company has made capital  expenditures of less
than $3.9  million in each of the last three  years in order to comply  with the
Regulations (which expenditures are included in additions to property, plant and
equipment) and  anticipates  that  aggregate  capital  expenditures  relating to
environmental  compliance  in each of 1998 and 1999 will be  approximately  $4.0
million.

     The  Regulations  deal with air and water  emissions or discharges into the
environment, as well as the generation,  storage, treatment,  transportation and
disposal of solid and hazardous  waste,  and the  remediation of any releases of
hazardous substances and materials to the environment. The Company believes that
its  manufacturing  facilities  comply in all material  respects with applicable
Regulations,  and, while it cannot predict whether more burdensome  requirements
will be adopted in the future,  it believes  that any  potential  liability  for
compliance  with  the  Regulations  will not  materially  affect  its  business,
liquidity, results of operations, cash flows or financial position.

     The Company believes that its  manufacturing  facilities are being operated
in compliance in all material respects with applicable environmental, health and
safety  laws  and  regulations,  but  cannot  predict  whether  more  burdensome
requirements will be imposed by governmental authorities in the future.

EMPLOYEES

     At December  31,  1997,  the Company  employed  approximately  2,675 people
worldwide.  Approximately  740  employees  in the United  States and Canada were
subject to six union  contracts.  The Company  expects to renegotiate  one labor
contract during 1998. The Company believes that its relations with its employees
and their unions are satisfactory.

     The  Company  has  in  effect  various  benefit  plans,   which  include  a
non-qualified  retirement plan for a group of executives, a capital accumulation
plan for its salaried and certain hourly employees,  a flexible benefit plan for
its salaried  employees,  a retirement plan for certain of its hourly employees,
and group insurance  agreements  providing


                                       5
<PAGE>

life,  accidental  death,  disability,  hospital,  surgical,  medical and dental
coverage.   In  addition,   the  Company  has  contracted  with  various  health
maintenance  organizations to provide medical benefits. The Company and, in many
cases, its employees contribute to the cost of these plans.

ITEM 2.  PROPERTIES

     The  corporate   headquarters   and  principal   research  and  development
laboratories  of ISP are located at a 100-acre  campus-like  office and research
park owned by a subsidiary  of ISP at 1361 Alps Road,  Wayne,  New Jersey 07470.
The premises are subject to a first mortgage.

     The  principal  domestic  and foreign real  properties  either owned by, or
leased to, ISP are described below. Unless otherwise  indicated,  the properties
are owned in fee. In addition to the  principal  facilities  listed  below,  ISP
maintains  sales  offices  and  warehouses  in the  United  States  and  abroad,
substantially  all of which are in leased premises under  relatively  short-term
leases.

<TABLE>
<CAPTION>
              LOCATION                              FACILITY                        PRODUCT LINE
              --------                              --------                        ------------
<S>                                   <C>                                         <C>
                                    DOMESTIC
Alabama
  Huntsville .......................  Plant*                                      Specialty Chemicals
Kentucky
  Calvert City .....................  Plant                                       Specialty Chemicals
Maryland
  Hagerstown .......................  Research Center, Design Center,             Mineral Products
                                      Sales Office
Massachusetts
  Freetown..........................  Plant, Research Center                      Specialty Chemicals
Missouri
  Annapolis ........................  Plant, Quarry                               Mineral Products
New Jersey
  Belleville .......................  Plant, Sales Office, Research               Specialty Chemicals
                                      Center, Warehouse*
   Bridgewater .....................  Sales Office                                Specialty Chemicals
   Chatham .........................  Plant, Sales Office, Research               Specialty Chemicals
                                      Center, Warehouse*
   Wayne ...........................  Headquarters, Corporate Administrative      Specialty Chemicals
                                      Offices, Research Center
Ohio
  Columbus.........................   Plant, Research Center, Sales Office        Specialty Chemicals
Pennsylvania
  Blue Ridge Summit ................  Plant, Quarry                               Mineral Products
Tennessee
  Memphis ..........................  Plant*, Warehouse*, Distribution Center*    Filter Products
Texas
  Seadrift .........................  Plant                                       Specialty Chemicals
   Texas City ......................  Plant                                       Specialty Chemicals
Wisconsin
  Pembine ..........................  Plant, Quarry                               Mineral Products

                                  INTERNATIONAL
Belgium
  Sint-Niklaas......................  Plant, Sales Office, Research Center,       Specialty Chemicals and
                                      Distribution Center                         Filter Products
Brazil
  Sao Paulo ........................  Plant*, Sales Office*, Distribution Center* Specialty Chemicals and
                                                                                  Filter Products
Canada
  Mississauga, Ontario .............  Sales Office*, Distribution Center*         Specialty Chemicals
  Oakville, Ontario ................  Plant*                                      Filter Products
</TABLE>

                                       6
<PAGE>

<TABLE>
<CAPTION>
              LOCATION                              FACILITY                        PRODUCT LINE
              --------                              --------                        ------------
<S>                                   <C>                                         <C>
Germany
  Cologne ..........................  Research Center*, Sales Office*             Specialty Chemicals
  Hamburg ..........................  Plant*                                      Filter Products
Great Britain
  Guildford ........................  European Headquarters*, Research Center*    Specialty Chemicals
  Manchester .......................  Sales Office, Distribution Center           Specialty Chemicals and
                                                                                  Filter Products
India
  Nagpur ...........................  Plant                                       Specialty Chemicals
Japan
  Tokyo ............................  Sales Office*                               Specialty Chemicals and
                                                                                  Filter Products
Singapore
  Southpoint .......................  Plant*, Sales Office*, Distribution         Specialty Chemicals
                                      Center*, Asia-Pacific Headquarters*,        and Filter Products
                                      Warehouse*
Affiliate:
  GAF-Huls Chemie GmbH
  Marl, Germany ....................  Plant, Sales Office                         Specialty Chemicals
</TABLE>

- --------
* Leased Property

     The Company  believes that its plants and facilities,  which are of varying
ages  and  are  of  different   construction  types,  have  been  satisfactorily
maintained,  are in good condition, are suitable for their respective operations
and generally provide sufficient capacity to meet production requirements.  Each
plant has adequate transportation facilities for both raw materials and finished
products.  In 1997, the Company made capital expenditures in the amount of $68.5
million relating to plant, property and equipment.

ITEM 3.  LEGAL PROCEEDINGS

     The  Company,  together  with other  companies,  is a party to a variety of
proceedings  and  lawsuits  involving   environmental  matters   ("Environmental
Claims")  under  the  Comprehensive   Environmental  Response  Compensation  and
Liability Act ("CERCLA") and similar state laws, in which recovery is sought for
the cost of cleanup of  contaminated  sites,  a number of which are in the early
stages or have been dormant for protracted periods.

     The Company  estimates  that its liability in respect of all  Environmental
Claims  (including  those  relating  to its  closed  Linden,  New  Jersey  plant
described below), and certain other  environmental  compliance  expenses,  as of
December 31, 1997, is $17.8 million,  before reduction for insurance  recoveries
reflected on its balance sheet (discussed  below) of $7.2 million that relate to
both past expenses and estimated future liabilities ("estimated recoveries"). In
the opinion of management, the resolution of such matters should not be material
to the  business,  liquidity,  results of  operations,  cash flows or  financial
position of the Company.  However, adverse decisions or events,  particularly as
to the liability and the financial  responsibility of the Company's insurers and
of the other parties  involved at each site and their insurers,  could cause the
Company to increase its estimate of its liability in respect of such matters. It
is not  currently  possible  to estimate  the amount or range of any  additional
liability.

     After  considering the relevant legal issues and other  pertinent  factors,
the Company believes that it will receive the estimated  recoveries and that the
recoveries  could be well in excess of the current  estimated  liability for all
Environmental  Claims,  although there can be no assurances in this regard.  The
Company  believes it is entitled to  substantially  full  defense and  indemnity
under  its  insurance  policies  for most  Environmental  Claims,  although  the
Company's  insurers have not affirmed a legal  obligation  under the policies to
provide indemnity for such claims.

     On March 8,  1995,  GAF  commenced  litigation  on behalf of itself and its
predecessors,  successors,  subsidiaries and related  corporate  entities in the
United  States  District  Court for the District of New Jersey  seeking  amounts
substantially in excess of the estimated recoveries. The action was dismissed by
the court in December 1997 for lack of federal  jurisdiction,  and one defendant
insurer  has filed a notice of  appeal.  On June 16,  1997,  GAF filed a similar
action  against the  insurers  in the  Superior  Court of New  Jersey,  Somerset
County, which action is pending.  While the Company believes that its claims are
meritorious,  there can be no  assurance  that the Company  will  prevail in its
efforts to obtain amounts equal to, or in excess of, the estimated recoveries.



                                       7
<PAGE>

     In June  1989,  ISP  entered  into a  Consent  Order  with  the New  Jersey
Department of Environmental  Protection ("NJDEP") requiring the development of a
remediation plan for its closed Linden,  New Jersey plant and the maintenance of
financial  assurances  (currently $7.5 million) to guarantee ISP's  performance.
This  Consent  Order does not  address any  potential  natural  resource  damage
claims.  In April 1993,  NJDEP issued  orders which  require the  prevention  of
discharge  of  contaminated  groundwater  and  stormwater  from the site and the
elimination of other potential exposure concerns.  ISP believes,  although there
can be no assurance,  that, taking into account its plans for development of the
site, it can comply with the NJDEP order at a cost of no more than $7.5 million.
See Item 1, "Environmental Services."


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

     None.


EXECUTIVE OFFICERS OF THE REGISTRANT

     The  following  table  sets  forth  the  name,  age,   position  and  other
information  with  respect to the  executive  officers of ISP and the  executive
officers and directors of ISP Chemicals and ISP Technologies.


                                                     PRESENT PRINCIPAL
                                                OCCUPATION OR EMPLOYMENT AND 
   NAME AND POSITION HELD(1)           AGE      FIVE-YEAR EMPLOYMENT HISTORY
   -------------------------           ---      ----------------------------
Samuel J. Heyman....................   59   Mr. Heyman has been a director  and
Chairman and Chief Executive                   Chairman  and  Chief   Executive
  Officer, International                       Officer   of   ISP   since   its
  Specialty Products Inc.                      formation  and  Chief  Executive
                                               Officer of ISP Chemicals and ISP
                                               Technologies    since   November
                                               1991.  Mr.  Heyman  has  been  a
                                               director  and Chairman and Chief
                                               Executive    Officer    of   ISP
                                               Holdings since its formation, of
                                               G-I  Holdings  since August 1988
                                               and of GAF  and  certain  of its
                                               subsidiaries  since  April 1989,
                                               prior  to which he held the same
                                               position with the predecessor to
                                               GAF (the "Predecessor  Company")
                                               from   December  1983  to  April
                                               1989. He has been a director and
                                               Chairman   of  BMCA   since  its
                                               formation,  a  director  of  USI
                                               since  October  1995  and  Chief
                                               Executive  Officer of BMCA since
                                               June 1996.  He is also the Chief
                                               Executive  Officer,  Manager and
                                               General  Partner  of a number of
                                               closely    held   real    estate
                                               development     companies    and
                                               partnerships  whose  investments
                                               include  commercial  real estate
                                               and  a  portfolio   of  publicly
                                               traded securities.              

Peter R. Heinze.....................   55   Dr. Heinze  has   been   President, 
President and Chief Operating                  Chief  Operating  Officer  and a 
  Officer, International                       director of ISP,  President  and 
  Specialty Products Inc.                      Chief  Operating  Officer of ISP 
                                               Chemicals  and  Chief  Operating 
                                               Officer   of  ISP   Technologies 
                                               since   November  1996.  He  was 
                                               Senior Vice President, Chemicals 
                                               of PPG Industries, Inc., a glass 
                                               products,  coatings  and resins, 
                                               and chemical manufacturer,  from 
                                               April 1993 to November  1996 and 
                                               Group Vice President,  Chemicals 
                                               of  PPG  Industries,  Inc.  from 
                                               August 1992 to April 1993.  From 
                                               January 1988 to August 1992, Dr. 
                                               Heinze was President,  Chemicals 
                                               Division,  and an Executive Vice 
                                               President of BASF Corporation, a 
                                               diversified             chemical 
                                               manufacturing company.           
 
                                       8
<PAGE>

                                                    PRESENT PRINCIPAL
                                                OCCUPATION OR EMPLOYMENT AND 
   NAME AND POSITION HELD(1)           AGE      FIVE-YEAR EMPLOYMENT HISTORY
   -------------------------           ---      ----------------------------
Carl R. Eckardt.....................   67   Mr. Eckardt was President and Chief 
Executive Vice President-                      Operating Officer of ISP and ISP 
  Corporate Development                        Chemicals  and  Chief  Operating 
                                               Officer of ISP Technologies from 
                                               January  1994 to November  1996. 
                                               He was Executive  Vice President 
                                               of ISP  from  its  formation  to 
                                               January    1994   and   of   ISP 
                                               Chemicals  and ISP  Technologies 
                                               from  December  1991 to  January 
                                               1994  and  has  served  as  such 
                                               since November 1996. He has been 
                                               a director of ISP and  Executive 
                                               Vice  President  of ISP Holdings 
                                               since      their      respective 
                                               formations. Mr. Eckardt has been 
                                               Vice   Chairman   of  GAF  since 
                                               November  1996 and a director of 
                                               GAF  since  April  1987.  He was 
                                               Executive  Vice President of GAF 
                                               from April 1989 to November 1996 
                                               and held the same  position with 
                                               the  Predecessor   Company  from 
                                               January 1987 to April 1989.  Mr. 
                                               Eckardt has been  Executive Vice 
                                               President of G-I Holdings  since 
                                               March 1993.  He was President of 
                                               GAF  Chemicals  Corporation  and 
                                               the    Predecessor     Company's 
                                               chemicals  division from 1985 to 
                                               1987.  Mr.  Eckardt  was  Senior 
                                               Vice     President     Worldwide 
                                               Chemicals    and   Senior   Vice 
                                               President          International 
                                               Chemicals  of  the   Predecessor 
                                               Company  from  1982 to 1985  and 
                                               1981 to 1982, respectively.  Mr. 
                                               Eckardt  joined the  Predecessor 
                                               Company in 1974.                 

James P. Rogers.....................   47   Mr. Rogers has been Executive  Vice 
Executive Vice                                 President-Finance  of  ISP,  ISP 
  President-Finance                            Chemicals and ISP  Technologies, 
                                               Executive   Vice  President  and 
                                               Chief  Financial  Officer of ISP 
                                               Holdings,  G-I Holdings, GAF and 
                                               certain of its  subsidiaries and 
                                               Executive Vice President of BMCA 
                                               and USI since  December 1996. He 
                                               was Senior  Vice  President  and 
                                               Chief  Financial  Officer of ISP 
                                               Holdings,  GAF, G-I Holdings and 
                                               certain  of their  subsidiaries, 
                                               and         Senior          Vice 
                                               President-Finance  of  ISP,  ISP 
                                               Technologies  and ISP  Chemicals 
                                               from  November  1993 to December 
                                               1996   and  of  BMCA   from  its 
                                               formation to December  1996. Mr. 
                                               Rogers  has been a  director  of 
                                               USI since  October  1995 and was 
                                               Senior  Vice  President  of  USI 
                                               from  October  1995 to  December 
                                               1996. He has served as Treasurer 
                                               of G-I Holdings, GAF and certain 
                                               of its subsidiaries  since March 
                                               1992      and      was      Vice 
                                               President-Finance     of    such 
                                               corporations  from March 1992 to 
                                               October  1993.  He was Treasurer 
                                               of  ISP  from   March   1992  to 
                                               December 1994 and from September 
                                               1995  to  December  1996.   From 
                                               August 1987 to March  1992,  Mr. 
                                               Rogers was Treasurer of Amphenol 
                                               Corporation,  a manufacturer  of 
                                               electronic connectors.           
                                            

                                            
Andrew G. Mueller...................   55   Mr. Mueller has been Executive Vice
Executive Vice                                 President-Operations of ISP, ISP
  President-Operations                         Chemicals  and ISP  Technologies
                                               since May 1997.  He was employed
                                               by  BASF  Corporation  as  Group
                                               Vice   President,   Colorants  &
                                               Textile/ Leather  Chemicals from
                                               December  1995 to April 1997 and
                                               as   Vice    President,    Fiber
                                               Intermediates from April 1989 to
                                               November 1995.                  
                                            
Richard A. Weinberg.................   38   Mr. Weinberg has been  Senior  Vice
Senior Vice President and                      President and General Counsel of
  General Counsel                              ISP,   ISP   Technologies,   ISP
                                               Chemicals,  GAF,  G-I  Holdings,
                                               BMCA   and   certain   of  their
                                               respective   subsidiaries  since
                                               May  1996  and of  ISP  Holdings
                                               since its formation. He has been
                                               a director of ISP  Chemicals and
                                               ISP Technologies since May 1996.
                                               He  was   Vice   President   and
                                               General  Counsel  of  BMCA  from
                                               September 1994 to May 1996, Vice
                                               President-Law  of BMCA  from May
                                               1994 to September  1994 and Vice
                                               President-Law   of  GAFBMC  from
                                               April  1993  to  May  1994.  Mr.
                                               Weinberg    was    employed   by
                                               Reliance  Group Holdings Inc., a
                                               diversified   insurance  holding
                                               company,  as Staff  Counsel from
                                               October 1987 to January 1990 and
                                               as Assistant  Vice President and
                                               Corporate  Counsel  from January
                                               1990 to April 1993.             
 
                                          9
<PAGE>

                                                    PRESENT PRINCIPAL
                                                OCCUPATION OR EMPLOYMENT AND 
   NAME AND POSITION HELD(1)           AGE      FIVE-YEAR EMPLOYMENT HISTORY
   -------------------------           ---      ----------------------------
Randall R. Lay......................   43   Mr. Lay has been Vice President and 
Vice President and Chief                       Chief Financial  Officer of ISP, 
  Financial                                    ISP     Chemicals     and    ISP 
                                               Technologies  since  April 1995. 
                                               From  August   Officer  1993  to 
                                               April   1995,   he   served   as 
                                               Controller,            Specialty 
                                               Derivatives  of ISP.  From March 
                                               1991  to  August  1993,  he  was 
                                               Director,  Financial Planning of 
                                               Otis  Elevator  Company and from 
                                               July  1989 to March  1991 he was 
                                               Director,  Financial Planning of 
                                               United Technologies Corporation. 
                                                                                
- --------
(1)  Under ISP's  By-laws,  each  director and  executive  officer  continues in
     office until ISP's next annual meeting of stockholders and until his or her
     successor is elected and qualified.


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

     The following  information  pertains to ISP's common stock, which is traded
on the New York Stock Exchange.  As of March 4, 1998,  there were 291 holders of
record of ISP's outstanding common stock.

<TABLE>
<CAPTION>
                                                 1997 BY QUARTER                       1996 BY QUARTER
                                         -------------------------------       -------------------------------
                                         FIRST   SECOND   THIRD   FOURTH       FIRST   SECOND    THIRD  FOURTH
                                         -----    -----   -----    -----       -----    -----    -----   -----
<S>                                    <C>      <C>      <C>      <C>         <C>      <C>      <C>      <C>
Price Range of Common Stock:
  High .............................   $13 3/4  $14 3/8  $15 1/4  $16 1/2     $13 1/4  $12 5/8  $11 3/8  $12 3/4
  Low...............................    11 3/4   11 1/2   13 1/2   13 7/8      10 1/8   10 3/4    9 5/8     9
</TABLE>

     ISP announced in the second quarter of 1995 that its Board of Directors had
eliminated the 21/2 cents per share semi-annual  dividend on ISP's common stock.
The  declaration  and payment of dividends is at the  discretion of the Board of
Directors of ISP. See Item 7, "Management's Discussion and Analysis of Financial
Condition  and  Results  of  Operations"  and Note 6 to  Consolidated  Financial
Statements for  information  regarding  restrictions on the payment of dividends
set forth on pages  F-2 to F-5 and page  F-19,  respectively.  Any  decision  to
resume the payment of dividends, and the timing and amount thereof, is dependent
upon, among other things, ISP's results of operations, financial condition, cash
requirements,  prospects  and  other  factors  deemed  relevant  by the Board of
Directors.  Accordingly,  there can be no assurance  that the Board of Directors
will  resume  the  declaration  and  payment  of  dividends  or as to the amount
thereof.

ITEM 6.  SELECTED FINANCIAL DATA

     See page F-6.

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

     See page F-2.

ITEM 7A.  QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK.

     Not applicable.

ITEM 8.  FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

     See Index on page F-1 and Financial  Statements and  Supplementary  Data on
pages F-7 to F-30.

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

     None.


                                       10
<PAGE>

                                    PART III

ITEM 10.  DIRECTORS AND EXECUTIVE OFFICERS OF THE REGISTRANT

     The  information  relating to the  directors  of ISP to be contained in the
Proxy  Statement  under the heading  "Election of Directors" is  incorporated by
reference herein. For information relating to the executive officers of ISP, ISP
Chemicals and ISP  Technologies,  see "Executive  Officers of the Registrant" in
Part I of this report.

ITEM 11.  EXECUTIVE COMPENSATION

     The  information to be contained in the Proxy  Statement under the headings
"Compensation of Executive  Officers of the Company" and "Election of Directors"
is incorporated by reference herein.

ITEM 12.  SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT

     The  information to be contained in the Proxy  Statement  under the heading
"Security Ownership of Certain Beneficial Owners and Management" is incorporated
by reference herein.

ITEM 13.  CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS

     The  information to be contained in the Proxy  Statement under the captions
"Election of Directors" and "Certain  Transactions" is incorporated by reference
herein.

                                     PART IV

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

     The following documents are filed as part of this report:
     (a)(1) Financial Statements: See Index on page F-1.
     (a)(2) Financial Statement Schedules: See Index on page F-1.
     (a)(3) Exhibits:

EXHIBIT
NUMBER         DESCRIPTION
- ------         -----------
 3.1        --Certificate of Incorporation of ISP  (incorporated by reference to
              Exhibit  3.1  to  ISP's   Registration   Statement   on  Form  S-1
              (Registration  No.  33-40337)  (the  "Common  Stock   Registration
              Statement")).

 3.2        --By-laws of ISP  (incorporated  by  reference to Exhibit 3.2 to the
              Common Stock Registration Statement).

 3.3        --Certificate of  Incorporation  of ISP Chemicals  (incorporated  by
              reference to Exhibit 3.3 to ISP's  Registration  Statement on Form
              S-1   (Registration  No.  33-44862)  (the  "9%  Note  Registration
              Statement")).

 3.4        --By-laws of ISP Chemicals (incorporated by reference to Exhibit 3.4
              to the 9% Note Registration Statement).

 3.5        --Certificate of Incorporation of ISP Technologies  (incorporated by
              reference to Exhibit 3.5 to the 9% Note Registration Statement).

 3.6        --By-laws of ISP Technologies  (incorporated by reference to Exhibit
              3.6 to the 9% Note Registration Statement).

   4        --Indenture,  dated as of March 1, 1992, relating to ISP's 9% Senior
              Notes due March 1, 1999 (incorporated by reference to Exhibit 4 to
              the 9% Note Registration Statement).

10.1        --Management  Agreement,  dated  as of March  3,  1992  ("Management
              Agreement"), among GAF, G-I Holdings, G Industries Corp., ISP, GAF
              Building Materials  Corporation and GAF Broadcasting Company, Inc.
              (incorporated  by reference to Exhibit 10.5 to ISP's Annual Report
              on Form 10-K for the year ended December 31, 1993).

10.2        --Amendment  No. 1, dated as of January 1, 1994,  to the  Management
              Agreement  (incorporated  by reference  to Exhibit  10.10 to ISP's
              Annual Report on Form 10-K for the year ended December 31, 1993).


                                       11
<PAGE>

EXHIBIT
NUMBER         DESCRIPTION
- ------         -----------
10.3        --Amendment  No.  2,  dated as of May 31,  1994,  to the  Management
              Agreement  (incorporated  by  reference  to Exhibit  10.1 to ISP's
              Quarterly Report on Form 10-Q for the quarter ended July 3, 1994).

10.4        --Amendment No. 3, dated as of December 31, 1994, to the  Management
              Agreement  (incorporated  by  reference  to Exhibit  10.4 to ISP's
              Annual Report on Form 10-K for the year ended December 31, 1994).

10.5        --Amendment No. 4, dated as of December 31, 1995, to the  Management
              Agreement  (incorporated  by  reference  to  Exhibit  10.6  to the
              Registration  Statement on Form S-4 of G-I Holdings  (Registration
              No. 333-2436)).

10.6        --Amendment No. 5, dated as of October 18, 1996,  to the  Management
              Agreement  (incorporated  by  reference  to  Exhibit  10.6  to ISP
              Holdings'  Registration  Statement on Form S-4  (Registration  No.
              333-17827) (the "ISP Holdings Registration Statement")).

10.7        --Amendment  No. 6, dated as of January 1, 1997,  to the  Management
              Agreement  (incorporated  by  reference  to Exhibit 10.8 to BMCA's
              Registration Statement on Form S-4 (Registration No. 333-20859)).

10.8        --Amendment No. 7, dated as of December 31, 1997, to the  Management
              Agreement  (incorporated  by reference to Exhibit  10.10 to BMCA's
              Registration  Statement on Form S-4  (Registration  No. 333-41531)
              (the "BMCA Registration Statement")).

10.9        --Amendment  No. 8, dated as of January 1, 1998,  to the  Management
              Agreement  (incorporated by reference to Exhibit 10.11 to the BMCA
              Registration Statement).

10.10       --Tax  Sharing  Agreement,  dated as of January  1, 1997,  among ISP
              Holdings,  ISP and certain  subsidiaries of ISP  (incorporated  by
              reference  to  Exhibit  10.8  to  the  ISP  Holdings  Registration
              Statement).

10.11       --Non-Qualified  Retirement Plan Letter  Agreement  (incorporated by
              reference  to  Exhibit  10.11  to the  Common  Stock  Registration
              Statement).*

10.12       --ISP Amended and Restated 1991 Incentive Plan for Key Employees and
              Directors ("Incentive  Plan")(incorporated by reference to Exhibit
              99 to ISP's  Registration  Statement on Form S-8 (Registration No.
              33-92518)).*

10.13       --Amendment No. 1 to the Incentive Plan  (incorporated  by reference
              to Exhibit  10.11 to ISP's Annual Report on Form 10-K for the year
              ended December 31, 1996 (the "1996 Annual Report")).*

10.14       --Amendment No. 2 to the Incentive Plan  (incorporated  by reference
              to  Exhibit  99  to  ISP's  Registration  Statement  on  Form  S-8
              (Registration No. 333-27505)).

10.15       --Agreement,  dated July 30,  1993,  between ISP and Carl R. Eckardt
              (incorporated  by reference to Exhibit  10.16 to the  Registration
              Statement   on  Form  S-4  of  G-I  Holdings   (Registration   No.
              33-72220)).*

10.16       --Letter  Agreement,  dated  October 15,  1996,  between GAF and Dr.
              Peter Heinze  (incorporated  by reference to Exhibit  10.14 to the
              ISP Holdings Registration Statement).*

10.17       --Form of  Maintenance  Agreement  between  ISP  and  ISP  Chemicals
              (incorporated  by  reference  to  Exhibit  10.18  to the  9%  Note
              Registration Statement).

10.18       --Form of Assignment and Assumption  Agreement  between G Industries
              Corp. and ISP  (incorporated  by reference to Exhibit 10.19 to the
              9% Note Registration Statement).

10.19       --Form  of  Assignment  and  Assumption  Agreement  among  ISP,  ISP
              Chemicals  and ISP  Technologies  (incorporated  by  reference  to
              Exhibit 10.20 to the 9% Note Registration Statement).

10.20       --Form of Intercompany  Term Note of ISP payable to the order of ISP
              Chemicals  (incorporated  by reference to Exhibit  10.21 to the 9%
              Note Registration Statement).

10.21       --Form of Intercompany  Term Note of ISP payable to the order of ISP
              Technologies (incorporated by reference to Exhibit 10.22 to the 9%
              Note Registration Statement).

10.22       --Form of Intercompany Revolving Note of ISP payable to the order of
              ISP Chemicals  (incorporated  by reference to Exhibit 10.23 to the
              9% Note Registration Statement).

                                       12
<PAGE>

EXHIBIT
NUMBER         DESCRIPTION
- ------         -----------
10.23       --Form of Intercompany Revolving Note of ISP payable to the order of
              ISP  Technologies  (incorporated  by reference to Exhibit 10.24 to
              the 9% Note Registration Statement).

10.24       --Form  of  Option  Agreement  relating  to  Cumulative   Redeemable
              Preferred  Stock of ISP  Holdings  (incorporated  by  reference to
              Exhibit 10.21 to the 1996 Annual Report).*

10.25       --Form  of  ISP  Holdings   Stock   Appreciation   Right   Agreement
              (incorporated  by  reference  to Exhibit  10.22 of the 1996 Annual
              Report).*

  21        --Subsidiaries  of ISP and ISP Chemicals;  ISP  Technologies  has no
              subsidiaries.

  23        --Consent of Arthur Andersen LLP.

  27        --Financial  Data Schedule for fiscal year 1997,  which is submitted
              electronically  to the  Securities  and  Exchange  Commission  for
              information only.

- --------
* Management and/or compensation plan or arrangement.

     (b) Reports on Form 8-K

     No reports on Form 8-K were filed in the fourth quarter of 1997.


                                       13
<PAGE>

                                   SIGNATURES

     Pursuant  to the  requirements  of  Section  13 or 15(d) of the  Securities
Exchange Act of 1934, the Registrant has duly caused this report to be signed on
its behalf by the undersigned, thereunto duly authorized.

Date:  March 27, 1998


                                    INTERNATIONAL SPECIALTY PRODUCTS INC.

                                    By:        /s/ RICHARD A. WEINBERG
                                          --------------------------------------
                                                        RICHARD A. WEINBERG
                                                      SENIOR VICE PRESIDENT,
                                                   GENERAL COUNSEL AND SECRETARY

     Pursuant to the  requirements of the Securities  Exchange Act of 1934, this
report has been signed  below on March 27,  1998,  by the  following  persons on
behalf of the Registrant and in the capacities indicated.



                SIGNATURE                                   TITLE
                ---------                                   -----

   /s/  SAMUEL J. HEYMAN                           Chairman of the Board and
- ----------------------------------------              Chief Executive Officer
            SAMUEL J. HEYMAN            

   /s/  PETER R. HEINZE                            President and Chief Operating
- ----------------------------------------              Officer; Director
             PETER R. HEINZE

   /s/  CARL R. ECKARDT                            Executive Vice President, 
- ----------------------------------------              Corporate Development; 
             CARL R. ECKARDT                           Director

   /s/  HARRISON J. GOLDIN                            Director
- ----------------------------------------
           HARRISON J. GOLDIN

   /s/  CHARLES M. DIKER                              Director
- ----------------------------------------
            CHARLES M. DIKER

   /s/  SANFORD KAPLAN                                Director
- ----------------------------------------
             SANFORD KAPLAN

   /s/  BURT MANNING                                  Director
- ----------------------------------------
              BURT MANNING

   /s/  RANDALL R. LAY                             Vice President and Chief 
- ----------------------------------------             Financial Officer
             RANDALL R. LAY                           (Principal Financial 
                                                      and Accounting Officer)


                                       14
<PAGE>

                                   SIGNATURES

     Pursuant  to the  requirements  of  Section  13 or 15(d) of the  Securities
Exchange Act of 1934, the Registrant has duly caused this report to be signed on
its behalf by the undersigned, thereunto duly authorized.

Date:  March 27, 1998


                                   ISP CHEMICALS INC.
                                   ISP TECHNOLOGIES INC.
                                   ISP FILTERS INC.
                                   ISP GLOBAL TECHNOLOGIES INC.
                                   ISP INTERNATIONAL CORP.
                                   ISP INVESTMENTS INC.
                                   ISP MINERAL PRODUCTS INC.
                                   ISP MINERALS INC.
                                   ISP REAL ESTATE COMPANY, INC.
                                   VERONA INC.
                                   BLUEHALL INCORPORATED
                                   ISP REALTY CORPORATION

                                   By:      /s/  RICHARD A. WEINBERG
                                         --------------------------------------
                                                   RICHARD A. WEINBERG
                                                 SENIOR VICE PRESIDENT,
                                              GENERAL COUNSEL AND SECRETARY

     Pursuant to the  requirements of the Securities  Exchange Act of 1934, this
report has been signed  below on March 27,  1998,  by the  following  persons on
behalf of the Registrant and in the capacities indicated.



                SIGNATURE                                     TITLE
                ---------                                     -----

    /s/  SAMUEL J. HEYMAN                          Chief Executive Officer
- ----------------------------------------
            SAMUEL J. HEYMAN

    /s/  RICHARD A. WEINBERG                       Senior Vice President, 
- ----------------------------------------              General Counsel and
           RICHARD A. WEINBERG                        Secretary; Director

    /s/  RANDALL R. LAY                            Vice President and Chief 
- ----------------------------------------              Financial Officer
             RANDALL R. LAY                           (Principal Financial and 
                                                      Accounting Officer)



                                       15
<PAGE>


                                   SIGNATURES

     Pursuant  to the  requirements  of  Section  13 or 15(d) of the  Securities
Exchange Act of 1934, the Registrant has duly caused this report to be signed on
its behalf by the undersigned, thereunto duly authorized.

Date:  March 27, 1998


                                   ISP (PUERTO RICO) INC.

                                   By:     /s/  RICHARD A. WEINBERG
                                         --------------------------------------
                                                  RICHARD A. WEINBERG
                                                SENIOR VICE PRESIDENT,
                                             GENERAL COUNSEL AND SECRETARY

     Pursuant to the  requirements of the Securities  Exchange Act of 1934, this
report has been signed  below on March 27,  1998,  by the  following  persons on
behalf of the Registrant and in the capacities indicated.



                SIGNATURE                                   TITLE
                ---------                                   -----

    /s/  SAMUEL J. HEYMAN                          Chief Executive Officer
- ----------------------------------------
            SAMUEL J. HEYMAN

    /s/  JAMES M. POTTER                           President and Director
- ----------------------------------------
             JAMES M. POTTER

    /s/  RICHARD A. WEINBERG                       Senior Vice President, 
- ----------------------------------------           General Counsel and
           RICHARD A. WEINBERG                     Secretary; Director

    /s/  RANDALL R. LAY                            Vice President and Chief 
- ----------------------------------------           Financial Officer
             RANDALL R. LAY                        (Principal Financial and 
                                                   Accounting Officer)


                                       16
<PAGE>


                                   SIGNATURES

     Pursuant  to the  requirements  of  Section  13 or 15(d) of the  Securities
Exchange Act of 1934, the Registrant has duly caused this report to be signed on
its behalf by the undersigned, thereunto duly authorized.

Date:  March 27, 1998


                                  ISP ENVIRONMENTAL SERVICES INC.
                                  ISP MANAGEMENT COMPANY, INC.

                                  By:     /s/  RICHARD A. WEINBERG
                                        --------------------------------------
                                                 RICHARD A. WEINBERG
                                               SENIOR VICE PRESIDENT,
                                            GENERAL COUNSEL AND SECRETARY

     Pursuant to the  requirements of the Securities  Exchange Act of 1934, this
report has been signed  below on March 27,  1998,  by the  following  persons on
behalf of the Registrant and in the capacities indicated.



                SIGNATURE                                     TITLE
                ---------                                     -----

    /s/  SAMUEL J. HEYMAN                          Chief Executive Officer
- ----------------------------------------
            SAMUEL J. HEYMAN

    /s/  PETER R. HEINZE                           President and Chief Operating
- ----------------------------------------              Officer; Director   
             PETER R. HEINZE                          

    /s/  RICHARD A. WEINBERG                       Senior Vice President, 
- ----------------------------------------              General Counsel and
           RICHARD A. WEINBERG                        Secretary; Director

    /s/  RANDALL R. LAY                            Vice President and Chief 
- ----------------------------------------              Financial Officer
             RANDALL R. LAY                           (Principal Financial and 
                                                      Accounting Officer)



                                       17
<PAGE>


                      INTERNATIONAL SPECIALTY PRODUCTS INC.

                                    FORM 10-K

                 INDEX TO MANAGEMENT'S DISCUSSION AND ANALYSIS,
                 CONSOLIDATED FINANCIAL STATEMENTS AND SCHEDULES

<TABLE>
<CAPTION>
                                                                                                          PAGE
                                                                                                          -----
<S>                                                                                                          <C>
Management's Discussion and Analysis of Financial Condition and Results of Operations..................    F-2

Selected Financial Data................................................................................    F-6

Report of Independent Public Accountants...............................................................    F-7

Consolidated Statements of Income for the three years ended December 31, 1997..........................    F-8

Consolidated Balance Sheets as of December 31, 1997 and 1996...........................................    F-9

Consolidated Statements of Cash Flows for the three years ended December 31, 1997......................    F-10

Consolidated Statements of Stockholders' Equity for the three years ended December 31, 1997............    F-12

Notes to Consolidated Financial Statements.............................................................    F-13

Supplementary Data (Unaudited):

  Quarterly Financial Data (Unaudited).................................................................    F-30


                                    SCHEDULES

Consolidated Financial Statement Schedules:

  Schedule II--Valuation and Qualifying Accounts........................................................    S-1

  Supplementary Financial Information--Guarantor Financial Data.........................................    S-2
</TABLE>


                                      F-1
<PAGE>


                      INTERNATIONAL SPECIALTY PRODUCTS INC.

                MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL
                       CONDITION AND RESULTS OF OPERATIONS


RESULTS OF OPERATIONS

   1997 Compared With 1996

     International  Specialty Products Inc. (the "Company")  recorded net income
in 1997 of $92.6 million (96 cents diluted earnings per share) compared with net
income of $80.7 million (82 cents diluted  earnings per share) in 1996.  The 15%
improvement in net income was  attributable to higher  operating income (up $7.3
million), an $8.5 million increase in other income, and a $2.6 million reduction
in interest expense.

     Sales for 1997 were $749.2  million  compared with $716.5 million for 1996.
The sales growth was attributable to increased sales of specialty  chemicals (up
$35.2 million),  primarily  reflecting  increased sales volumes ($66.7 million),
partially offset by the unfavorable  effect ($22.5 million) of the stronger U.S.
dollar relative to other currencies in certain areas of the world. Sales for the
mineral products business decreased by $2.5 million due primarily to lower sales
volumes.  The sales growth in 1997 reflected  higher sales in the United States,
the Asia-Pacific  region and the Western  Hemisphere,  partially offset by lower
sales in Europe due  primarily to the  unfavorable  effect of the stronger  U.S.
dollar.

     Operating  income for 1997 increased by 5% to $143.3 million  compared with
$136.0  million for 1996.  The increase was due to higher  operating  income for
specialty chemicals (up $3.8 million) and filter products (up $3.4 million). The
higher specialty  chemicals  operating income reflected the higher sales levels,
partially  offset by lower  gross  margins  (down 0.5  percentage  point) due to
unfavorable  pricing and the unfavorable effect of the stronger U.S. dollar, and
by higher  operating  expenses  which  included a 7% increase  in  research  and
development  spending.  The  improvement in filter  products  results  reflected
higher sales levels and improved  gross margins (up 6.2  percentage  points) due
mainly to improved pricing. Despite a drop in sales levels, operating income for
the mineral  products  business  increased  by $0.5  million due to higher gross
margins (up 1.4 percentage  points) as a result of improved  pricing,  and lower
operating expenses.

     Selling,  general and  administrative  expenses in 1997  increased  by $7.7
million (5%) compared with 1996 and, as a percent of sales,  increased  slightly
from 20.7% in 1996 to 20.8% in 1997.  The increase in such  expenses  included a
$1.9 million (7.5%) increase in research and development spending.

     Of the  $7.3  million  increase  in  operating  income  in  1997,  domestic
operating  income  increased by $15.8 million  (24.5%),  due to increased  sales
volumes and  improved  margins.  Operating  income for Europe  decreased by $8.7
million  (16%),  primarily  reflecting  the effect of the stronger U.S.  dollar,
while in the Asia-Pacific region, operating income decreased by $1.2 million, as
higher  sales  levels  were offset by lower  gross  margins  due to  unfavorable
pricing.  Operating  income  from other  foreign  operations  increased  by $1.4
million.

     Interest  expense for 1997 was $26.1  million,  a decrease of $2.6  million
(9%) from $28.7 million in 1996. The decrease reflected lower average borrowings
(average  borrowings of $393.9  million in 1997 versus $405.0  million in 1996),
partially  offset by slightly higher  interest rates (average  borrowing rate of
7.1% in 1997 versus 6.9% in 1996).

     Other  income,  net,  comprises net  investment  income,  foreign  exchange
gains/losses  resulting  from the  revaluation  of foreign  currency-denominated
accounts  receivable and payable as a result of changes in exchange  rates,  and
other nonoperating and nonrecurring  items of income and expense.  Other income,
net, was $21.6 million in 1997 compared with $13.1 million in 1996. The increase
in 1997 was due principally to higher net investment income (up $9.1 million).

   1996 Compared With 1995

     In 1996, the Company recorded net income of $80.7 million (82 cents diluted
earnings per share)  compared with net income of $67.4 million (68 cents diluted
earnings per share) in 1995. The 20% increase in net income was  attributable to
higher operating income (up $8.9 million),  a $4.4 million reduction in interest
expense, and a $6.4 million increase in other income.



                                      F-2
<PAGE>

     Sales for 1996 were $716.5  million  compared with $689.0 million for 1995.
The sales growth was attributable to increased sales of specialty  chemicals (up
$25.2 million),  primarily  reflecting  increased sales volumes ($31.3 million),
partially  offset by the unfavorable  effect ($7.7 million) of the stronger U.S.
dollar  relative to other  currencies  in certain  areas of the world,  and also
reflected  higher filter  products sales (up $2.4 million) due to increased unit
sales.  Sales for the mineral products business decreased by $0.5 million due to
lower sales  volumes  (down $2.6  million)  resulting  from a lost  customer and
adverse winter weather conditions in the first quarter of 1996. The sales growth
in 1996 reflected higher sales in all geographic regions.

     Operating  income for 1996 increased by 7% to $136.0 million  compared with
$127.1  million for 1995,  while the Company's  operating  margin  improved from
18.4% to 19.0%.  The  increase in operating  income was due to higher  specialty
chemicals operating income (up $11.6 million or 11%),  partially offset by lower
filter  products  results (down $3.3 million) due to lower gross profit margins.
The higher  specialty  chemicals  operating  income resulted  primarily from the
higher sales levels and improved gross margins (up 2.4 percentage points) due to
improved  pricing  and  continued  benefits  from  the  Company's  reengineering
program.  The  gross  margin  improvement  was  attributable  to  the  Company's
increased  focus  on  manufacturing   process   improvements  through  increased
production  yields,  improvements in first pass quality,  and increased capacity
resulting  from shorter  production  cycle times and increased  on-line time for
equipment. In addition, raw materials costs were lower in 1996 than in 1995.

     Selling,  general and  administrative  expenses in 1996  increased by $14.3
million  (11%)  compared  with 1995 and, as a percent of sales,  increased  from
19.5% to 20.7%. The most  significant  factors for the increase in such expenses
were attributable to the Company's  geographic expansion efforts ($3.0 million),
increased  research and  development  spending  ($3.5 million) and normal salary
increases ($3.0 million).

     Of the  $8.9  million  increase  in  operating  income  in  1996,  domestic
operating  income  increased by $6.5 million,  due primarily to increased  sales
volumes for  specialty  chemicals,  as well as  improved  gross  margins,  while
operating  income for the European region  increased by $6.6 million,  also as a
result  of  higher  sales  levels  and  improved  gross  margins  for  specialty
chemicals.  Operating  income  for the  Asia-Pacific  region  decreased  by $2.6
million as higher  sales  volumes  were more than offset by  increased  expenses
associated with the Company's geographic expansion program, and operating income
from other foreign operations declined by $1.5 million.

     Interest  expense for 1996 was $28.7  million,  a decrease of $4.4  million
(13%)  from  $33.1  million  in  1995.  The  decrease  reflected  lower  average
borrowings  (average  borrowings of $405.0 million in 1996 versus $442.3 million
in 1995) and lower interest rates (average borrowing rate of 6.9% in 1996 versus
8.3% in 1995).

     Other income,  net, was $13.1 million in 1996 compared with $6.7 million in
1995. The increase in 1996 was due  principally to higher net investment  income
(up $3.6  million)  and gains  associated  with the  Company's  program to hedge
certain of its foreign currency exposures.  See Note 1 to Consolidated Financial
Statements.

LIQUIDITY AND FINANCIAL CONDITION

     During 1997, the Company  generated cash from  operations of $80.3 million,
reinvested  $68.5 million for capital  programs and generated $26.2 million from
net sales of available-for-sale and held-to-maturity  securities, for a net cash
inflow of $38.0 million before  financing  activities.  Cash from  operations in
1997  reflected  a $58.6  million  cash  outlay  for net  purchases  of  trading
securities,  $6.3 million of dividends  received  from the GAF-Huls  Chemie GmbH
joint  venture,  and a $7.5  million cash refund from G-I  Holdings  Inc.  ("G-I
Holdings")  related to a previous tax sharing  agreement between the Company and
G-I Holdings (see Note 2 to Consolidated Financial Statements). Cash invested in
additional  working capital totaled $21.1 million during 1997. This  principally
reflected an $11.3 million  increase in inventories and a $12.5 million increase
in accounts receivable,  other, due to a $6.2 million increase in the receivable
from  the  purchaser  of the  Company's  trade  receivables  and a $5.8  million
receivable  for  investments  sold but not  settled,  partially  offset  by $5.4
million higher payables and accrued liabilities.

     Net cash  used in  financing  activities  in 1997  totaled  $36.0  million,
primarily reflecting a $35.4 million reduction in borrowings under the Company's
bank revolving credit facility and an $8.6 million  reduction in borrowings from
an  affiliate,  partially  offset  by a $15.9  million  increase  in  short-term
borrowings.  Cash used in financing  activities  also reflected $10.2 million of
expenditures in connection with the Company's common stock  repurchase  program.
The Company's program, begun in 1994, involves open market repurchases from time
to  time  of up to a  total  of  4,500,000  shares  of  its  common  stock.  The
repurchased shares are held for general corporate  purposes,  including issuance
of shares under the  Company's  stock option  plan.  Through  December 31, 1997,
4,394,900 shares of the Company's common stock have been repurchased pursuant to
the program.



                                      F-3
<PAGE>

     As a result of the foregoing factors,  cash and cash equivalents  increased
by $2.0  million  during  1997 to $19.7  million  (excluding  $169.5  million of
trading, available-for-sale and held-to-maturity securities and other short-term
investments).

     The  Company's  investment  strategy is to seek  returns in excess of money
market rates on its available cash while minimizing  market risks.  There can be
no  assurance  that  the  Company  will be  successful  in  implementing  such a
strategy.  The Company invests primarily in international and domestic arbitrage
and  securities  of  companies   involved  in   acquisition  or   reorganization
transactions, including at times, common stock short positions which are offsets
against  long  positions  in  securities  which  are  expected,   under  certain
circumstances,  to be  exchanged  or converted  into the short  positions.  With
respect to its equity  positions,  the  Company is exposed to the risk of market
loss. See Note 1 to Consolidated Financial Statements.

     In July 1996,  the Company  entered into a new five-year  revolving  credit
facility  (the "Credit  Agreement")  with a group of banks,  which  provides for
loans of up to $400 million and letters of credit of up to $75 million (see Note
6 to Consolidated Financial  Statements).  As of December 31, 1997, loans in the
amount of $35.0 million and letters of credit in the amount of $7.9 million were
outstanding under the Credit Agreement. The Credit Agreement permits the Company
to make  loans to  affiliates  and to make  available  letters of credit for the
benefit of affiliates in an aggregate amount of up to $75 million, none of which
had been utilized as of December 31, 1997.

     Borrowings by the Company,  including those under the Credit Agreement, are
subject to the  application  of certain  financial  covenants  contained in such
agreement and in the  indentures  relating to the 9% Senior Notes due 2003 and 9
3/4% Senior Notes due 2002,  both issued by ISP Holdings Inc. ("ISP  Holdings"),
the Company's  parent and owner of  approximately  84% of the  Company's  common
stock.  As of  December  31,  1997,  the  Company  was in  compliance  with such
covenants,  and the  application of such covenants would not have restricted the
amount available for borrowing under the Credit Agreement.  The Credit Agreement
and the  indenture  relating to the  Company's 9% Senior Notes due 1999 (the "9%
Notes") limit the amount of cash  dividends,  purchases of treasury  stock,  and
other  restricted  payments  (as  defined)  by  the  Company.   See  Note  6  to
Consolidated Financial Statements.

     As of December 31, 1997,  the Company's  scheduled  repayments of long-term
debt for the twelve months ending December 31, 1998 aggregated $0.7 million.  In
1999,  scheduled  repayments of long-term debt include $200 million  relating to
the 9% Notes and a $38.1 million mortgage obligation.

     Fluctuations  in the value of  foreign  currencies  may cause  U.S.  dollar
translated   amounts  to  change  in  comparison  with  previous   periods  and,
accordingly,  the Company  cannot  estimate in any  meaningful  way the possible
effect of such  fluctuations  upon  future  income.  The Company has a policy to
manage  these  exposures  to  minimize  the effects of  fluctuations  in foreign
currencies,  which includes entering into foreign exchange contracts in order to
hedge its exposure.  In respect of its foreign exchange  contracts,  the Company
recognized   pre-tax  gains  of  $15.5  and  $7.0  million  in  1997  and  1996,
respectively,  and a loss of $7.4 million in 1995.  At December  31,  1997,  the
equivalent  U.S.  dollar  fair value of  outstanding  forward  foreign  exchange
contracts was $151.6 million,  and the amount of unrealized  gains and losses on
such  instruments  was  immaterial.  The  equivalent  U.S.  dollar fair value of
foreign  exchange  contracts  outstanding  as of December 31, 1997 as a hedge of
non-local  currency loans was $24.9 million,  representing 100% of the Company's
foreign currency exposure with respect to such loans. See Note 1 to Consolidated
Financial Statements.

     The  objectives of the Company in utilizing  interest rate swap  agreements
are to lower funding  costs,  diversify  sources of funding and manage  interest
rate exposure.  As of December 31, 1997,  the total notional  amount of interest
rate swaps  outstanding was $300 million.  During 1997, the Company entered into
five-year  interest rate swap  agreements  with a total notional  amount of $100
million in order to convert $100 million of its floating  interest  rate debt to
fixed rates. By utilizing interest rate swap agreements, the Company reduced its
interest  expense  by $2.1,  $2.8  and $1.8  million  in  1997,  1996 and  1995,
respectively. See Note 6 to Consolidated Financial Statements.

     ISP Holdings was a wholly-owned subsidiary of GAF Corporation ("GAF") until
January 1, 1997, when its stock was distributed to the  stockholders of GAF in a
series of transactions  involving GAF's subsidiaries.  As a result, ISP Holdings
and the Company  are no longer  direct or  indirect  subsidiaries  of GAF or its
subsidiary, G-I Holdings Inc.

     ISP  Holdings  is a  holding  company  without  independent  businesses  or
operations  and,  as such,  is  dependent  upon the cash flows of the Company in
order  to  satisfy  its  obligations.  Such  obligations  include  $325  million
principal  amount of ISP  Holdings' 9% Senior Notes due 2003 and $199.9  million
principal  amount of ISP  Holdings'


                                      F-4
<PAGE>

9 3/4% Senior Notes due 2002. ISP Holdings  expects to satisfy such  obligations
from,  among other things,  refinancings  of debt,  dividends and loans from the
Company,  as to which there are restrictions  under the Credit Agreement and the
indenture  relating  to the  Company's  9%  Notes  (see  Note 6 to  Consolidated
Financial  Statements),  and  payments  pursuant  to the Tax  Sharing  Agreement
between ISP  Holdings  and the  Company  (see Note 2 to  Consolidated  Financial
Statements). The Company does not believe that the dependence of ISP Holdings on
the cash  flows of the  Company  should  have a material  adverse  effect on the
operations, liquidity or capital resources of the Company.

     As the Company's stock price  appreciates,  ISP Holdings may at some future
time consider selling shares of the Company's  common stock,  although it has no
current  intention  to do so. If ISP  Holdings  were to own less than 80% of the
outstanding  common stock of the Company,  payments  pursuant to the Tax Sharing
Agreement would not be available to it.

     For  information  with respect to income taxes,  see Note 2 to Consolidated
Financial Statements.

     The  Company  announced  in  December  1997  that  it had  entered  into an
agreement  to  purchase  Polaroid  Corporation's  Freetown,  Massachusetts  fine
chemicals  facility.  The transaction was completed in February 1998. As part of
the  transaction,  the  Company  entered  into a  long-term  supply and  license
agreement with Polaroid for the imaging  chemicals and polymers  manufactured at
the facility and used by Polaroid in its instant film business.

     The  Company  does not  believe  that  inflation  has had an  effect on its
results of  operations  during the past three  years.  However,  there can be no
assurance  that the Company's  business will not be affected by inflation in the
future.

     The Company intends to acquire or develop a European manufacturing facility
to meet the needs of the  Company's  European  business.  While  the  originally
anticipated  commencement date of the European project has been deferred because
the Company has been able to implement cost efficient capacity expansions at its
existing manufacturing facilities, based upon its current analyses of additional
opportunities  for expansion of existing  capacity,  end-use  demand,  and other
relevant  factors,  the Company intends to proceed with the project during 1998.
Costs  capitalized to date related to this project are included in "Construction
in progress".  The Company  anticipates  utilizing  internally  generated funds,
existing credit facilities and/or independent  financing to fund the cost of the
project.

     The Company has received  site  designation  from the New Jersey  Hazardous
Waste  Facilities  Siting  Commission for the  construction of a hazardous waste
treatment, storage and disposal facility at its Linden, New Jersey property, and
has received approval from the New Jersey Turnpike Authority for a direct access
ramp from the  Turnpike to the site.  Both the site  designation  and the access
ramp  approval  have been  appealed  to the  Courts by the City of  Linden.  The
Company   estimates  that  the  cost  of  constructing   the  facility  will  be
approximately  $100 million and, if approved,  the facility is anticipated to be
in  operation  three  years  after  commencement  of  construction.  The Company
anticipates  utilizing internally generated cash and/or seeking project or other
independent financing therefor.  Accordingly,  the Company would not expect such
facility to impact materially its liquidity or capital resources.

     The  Company is in the  process of  implementing  a new global  information
system for capturing,  processing and analyzing data relating to  manufacturing,
customer service,  sales order entry,  inventory control and financial  systems.
The Company is addressing its "Year 2000" compliance  issues in conjunction with
this  initiative.  The Company does not believe that the costs of  addressing or
the impact of the  Company's  Year 2000  compliance  issues will have a material
adverse effect on the operations, liquidity or capital resources of the Company.
At this time, the Company has no information  concerning the impact of Year 2000
issues on its suppliers and customers.

     The  Company,  together  with other  companies,  is a party to a variety of
proceedings  and  lawsuits  involving  environmental  matters.  See  Note  12 to
Consolidated Financial Statements for further information.


                                      * * *
FORWARD-LOOKING STATEMENTS

     The  discussions in this Annual Report on Form 10-K contain both historical
information and forward-looking  statements.  Although the Company believes that
any such forward-looking  statements are based on reasonable assumptions,  these
statements involve  uncertainties that affect, among other things, the Company's
operations,  markets, products, services and prices. These uncertainties include
economic, competitive,  governmental and technological factors.  Forward-looking
statements  contained herein are not historical facts, but only predictions.  No
assurances can be given that projected results or events will be achieved.


                                      F-5
<PAGE>

                      INTERNATIONAL SPECIALTY PRODUCTS INC.

                             SELECTED FINANCIAL DATA


<TABLE>
<CAPTION>
                                                                                 YEAR ENDED DECEMBER 31,
                                                       ----------------------------------------------------------------------------
                                                         1997             1996             1995             1994             1993
                                                       --------         --------         --------         --------         --------
                                                                   (DOLLARS IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)
<S>                                                    <C>              <C>              <C>              <C>              <C>     
Operating Data:
   Net sales ..................................        $749,208         $716,481         $689,002         $600,047         $548,252
   Gross profit ...............................         312,515          297,560          274,330          232,301          218,735
   Operating income ...........................         143,297          136,024          127,096           99,245           65,091
   Interest expense ...........................          26,126           28,729           33,091           28,676           24,500
   Income before income taxes .................         144,638          125,967          106,102           72,484           49,823
   Net income .................................          92,649           80,663           67,375           44,515           29,558
   Earnings per common share:
     Basic ....................................        $    .96         $    .83         $    .68         $    .45         $    .30
     Diluted ..................................        $    .96         $    .82         $    .68         $    .45         $    .30
   Dividends per common share .................        $     --         $     --         $     --         $    .05         $    .05

Other Data:
   Gross profit margin ........................            41.7%            41.5%            39.8%            38.7%            39.9%
   Operating margin ...........................            19.1%            19.0%            18.4%            16.5%            11.9%
   Depreciation ...............................        $ 41,553         $ 38,279         $ 35,960         $ 32,753         $ 28,737
   Goodwill amortization ......................          13,176           13,200           13,223           13,400           13,856
   Capital expenditures and
     acquisitions .............................          68,546           54,587           38,934           31,098           62,858

<CAPTION>
                                                                                       DECEMBER 31,
                                                       ----------------------------------------------------------------------------
                                                         1997             1996             1995             1994             1993
                                                       --------         --------         --------         --------         --------
                                                                     (THOUSANDS)
<S>                                                    <C>              <C>              <C>              <C>              <C>     
Balance Sheet Data:
   Total working capital ......................        $266,967         $219,702         $142,550         $121,803         $ 78,263
   Total assets ...............................        1,395,584        1,316,914        1,312,938        1,251,304        1,243,315
   Long-term debt .............................         328,639          372,870          347,491          377,106          367,722
   Stockholders' equity .......................         784,230          701,493          643,244          582,368          534,012
</TABLE>


                                      F-6
<PAGE>


                    REPORT OF INDEPENDENT PUBLIC ACCOUNTANTS


To International Specialty Products Inc.:

     We  have  audited  the   accompanying   consolidated   balance   sheets  of
International  Specialty Products Inc. (a Delaware  corporation and an 84% owned
subsidiary of ISP Holdings  Inc.) and  subsidiaries  as of December 31, 1997 and
1996, and the related  consolidated  statements of income,  stockholders' equity
and cash flows for each of the three  years in the  period  ended  December  31,
1997. These financial  statements and the schedule and  supplementary  financial
information   referred  to  below  are  the   responsibility  of  the  Company's
management.  Our  responsibility  is to express  an  opinion on these  financial
statements,  schedule  and  supplementary  financial  information  based  on our
audits.

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

     In our opinion,  the financial  statements referred to above,  appearing on
pages F-8 to F-29 of this Form 10-K,  present fairly, in all material  respects,
the financial position of International Specialty Products Inc. and subsidiaries
as of December 31, 1997 and 1996, and the results of their  operations and their
cash flows for each of the three years in the period ended December 31, 1997, in
conformity with generally accepted accounting principles.

     Our  audits  were made for the  purpose  of forming an opinion on the basic
financial statements taken as a whole. The schedule and supplementary  financial
information  appearing on pages S-1 to S-4 of this Form 10-K are  presented  for
purposes of complying with the Securities  and Exchange  Commission's  rules and
are not part of the  basic  financial  statements.  These  schedules  have  been
subjected to the auditing procedures applied in the audit of the basic financial
statements  and, in our  opinion,  fairly  state in all  material  respects  the
financial  data  required  to be set  forth  therein  in  relation  to the basic
financial statements taken as a whole.




                                                        ARTHUR ANDERSEN LLP



Roseland, New Jersey
February 23, 1998


                                      F-7
<PAGE>

                      INTERNATIONAL SPECIALTY PRODUCTS INC.

                        CONSOLIDATED STATEMENTS OF INCOME

<TABLE>
<CAPTION>
                                                  YEAR ENDED DECEMBER 31,
                                            -----------------------------------
                                              1997         1996         1995
                                            ---------    ---------    ---------
                                           (THOUSANDS, EXCEPT PER SHARE AMOUNTS)

<S>                                         <C>          <C>          <C>      
Net sales ...............................   $ 749,208    $ 716,481    $ 689,002
                                            ---------    ---------    ---------
Costs and expenses:
  Cost of products sold .................     436,693      418,921      414,672
  Selling, general and administrative ...     156,042      148,336      134,011
  Goodwill amortization .................      13,176       13,200       13,223
                                            ---------    ---------    ---------
      Total costs and expenses ..........     605,911      580,457      561,906
                                            ---------    ---------    ---------
Operating income ........................     143,297      136,024      127,096
Interest expense ........................     (26,126)     (28,729)     (33,091)
Equity in earnings of joint venture .....       5,909        5,604        5,413
Other income, net .......................      21,558       13,068        6,684
                                            ---------    ---------    ---------
Income before income taxes ..............     144,638      125,967      106,102
Income taxes ............................     (51,989)     (45,304)     (38,727)
                                            ---------    ---------    ---------
Net income ..............................   $  92,649    $  80,663    $  67,375
                                            =========    =========    =========
Earnings per common share:
  Basic .................................   $     .96    $     .83    $     .68
                                            =========    =========    =========
  Diluted ...............................   $     .96    $     .82    $     .68
                                            =========    =========    =========
Weighted average number of common and
  common equivalent shares outstanding:
    Basic ...............................      96,061       97,197       98,613
                                            =========    =========    =========
    Diluted .............................      97,010       97,813       98,819
                                            =========    =========    =========
</TABLE>








The accompanying Notes to Consolidated Financial Statements are an integral part
of these statements.


                                      F-8
<PAGE>

                      INTERNATIONAL SPECIALTY PRODUCTS INC.

                           CONSOLIDATED BALANCE SHEETS

<TABLE>
<CAPTION>
                                                                          DECEMBER 31,
                                                                  --------------------------
                                                                      1997          1996
                                                                  -----------    -----------
                                                                         (THOUSANDS)
<S>                                                               <C>            <C>        
                                     ASSETS
Current Assets:
  Cash and cash equivalents ...................................   $    19,730    $    17,753
  Investments in trading securities ...........................        53,489          1,273
  Investments in available-for-sale securities ................       107,949        114,323
  Investments in held-to-maturity securities ..................           311          1,977
  Other short-term investments ................................         7,795          6,149
  Accounts receivable, trade, less reserve of $2,724 and $2,840        67,077         66,875
  Accounts receivable, other ..................................        25,288         12,835
  Receivable from related parties, net ........................           264          5,518
  Inventories .................................................       119,910        108,586
  Other current assets ........................................        16,751         13,239
                                                                  -----------    -----------
      Total Current Assets ....................................       418,564        348,528
Property, plant and equipment, net ............................       513,206        489,474
Excess of cost over net assets of businesses acquired,
  net of accumulated amortization of $118,203 and $105,025 ....       404,082        417,258
Other assets ..................................................        59,732         61,654
                                                                  -----------    -----------
Total Assets ..................................................   $ 1,395,584    $ 1,316,914
                                                                  ===========    ===========

                      LIABILITIES AND STOCKHOLDERS' EQUITY
Current Liabilities:
  Short-term debt .............................................   $    38,172    $    22,275
  Current maturities of long-term debt ........................           684            610
  Accounts payable ............................................        46,252         42,939
  Accrued liabilities .........................................        60,434         57,134
  Income taxes ................................................         6,055          5,868
                                                                  -----------    -----------
      Total Current Liabilities ...............................       151,597        128,826
                                                                  -----------    -----------
Long-term debt less current maturities ........................       274,642        310,294
                                                                  -----------    -----------
Long-term notes payable to related party ......................        53,997         62,576
                                                                  -----------    -----------
Deferred income taxes .........................................        70,253         52,665
                                                                  -----------    -----------
Other liabilities .............................................        60,865         61,060
                                                                  -----------    -----------
Commitments and Contingencies
Stockholders' Equity:
  Preferred stock, $.01 par value per share;
    20,000,000 shares authorized: no shares issued ............            --             --
  Common stock, $.01 par value per share;
    300,000,000 shares authorized: 99,888,646 shares issued ...           999            999
  Additional paid-in capital ..................................       441,484        441,203
  Treasury stock, at cost--3,945,352 and 3,451,522 shares .....       (38,229)       (30,874)
  Retained earnings ...........................................       372,946        280,297
  Cumulative translation adjustment and other .................         7,030          9,868
                                                                  -----------    -----------
      Total Stockholders' Equity ..............................       784,230        701,493
                                                                  -----------    -----------
Total Liabilities and Stockholders' Equity ....................   $ 1,395,584    $ 1,316,914
                                                                  ===========    ===========
</TABLE>


The accompanying Notes to Consolidated Financial Statements are an integral part
of these statements.


                                      F-9
<PAGE>

                      INTERNATIONAL SPECIALTY PRODUCTS INC.

                      CONSOLIDATED STATEMENTS OF CASH FLOWS

<TABLE>
<CAPTION>
                                                                    YEAR ENDED DECEMBER 31,
                                                             -----------------------------------
                                                                1997         1996         1995
                                                             ---------    ---------    ---------
                                                                         (THOUSANDS)

<S>                                                          <C>          <C>          <C>      
Cash and cash equivalents, beginning of year .............   $  17,753    $  14,080    $  20,127
                                                             ---------    ---------    ---------
Cash provided by operating activities:
  Net income .............................................      92,649       80,663       67,375
  Adjustments to reconcile net income to net cash
    provided by operating activities:
      Depreciation .......................................      41,553       38,279       35,960
      Goodwill amortization ..............................      13,176       13,200       13,223
      Deferred income taxes ..............................      14,080       (2,494)     (18,809)
  Increase in working capital items ......................     (21,140)      (7,650)      (5,105)
  Purchases of trading securities ........................    (148,190)     (42,002)     (66,483)
  Proceeds from sales of trading securities ..............      89,542       47,677      104,058
  Decrease in other assets ...............................       1,804          780           56
  Increase (decrease) in other liabilities ...............       4,518          (31)      (1,343)
  Change in net receivable from/payable to related parties       5,254      (14,947)       6,093
  Change in cumulative translation adjustment ............      (7,483)      (8,376)       6,918
  Other, net .............................................      (5,449)        (813)       1,868
                                                             ---------    ---------    ---------
Net cash provided by operating activities ................      80,314      104,286      143,811
                                                             ---------    ---------    ---------
Cash used in investing activities:
  Capital expenditures and acquisitions ..................     (68,546)     (54,587)     (38,934)
  Purchases of available-for-sale securities .............    (214,590)    (287,361)    (364,012)
  Purchases of held-to-maturity securities ...............      (1,623)     (14,331)      (5,592)
  Purchases of other short-term investments ..............          --       (1,264)      (2,188)
  Proceeds from sales of available-for-sale securities ...     239,177      291,408      257,197
  Proceeds from held-to-maturity securities ..............       3,289       16,972          974
                                                             ---------    ---------    ---------
Net cash used in investing activities ....................     (42,293)     (49,163)    (152,555)
                                                             ---------    ---------    ---------
Cash provided by (used in) financing activities:
  Proceeds from sale of accounts receivable ..............          --        2,000        3,768
  Increase (decrease) in short-term debt .................      15,897      (14,256)      36,199
  Increase (decrease) in borrowings under
    revolving credit facility ............................     (35,425)      29,625       (4,200)
  Other increase (decrease) in long-term debt, net .......        (153)         543       (1,435)
  Decrease in loans from related parties .................      (8,579)     (55,258)     (15,216)
  Repurchases of common stock ............................     (10,240)     (15,134)     (16,614)
  Other, net .............................................       2,456        1,030          195
                                                             ---------    ---------    ---------
Net cash provided by (used in) financing activities ......     (36,044)     (51,450)       2,697
                                                             ---------    ---------    ---------
Net change in cash and cash equivalents ..................       1,977        3,673       (6,047)
                                                             ---------    ---------    ---------
Cash and cash equivalents, end of year ...................   $  19,730    $  17,753    $  14,080
                                                             =========    =========    =========
</TABLE>


                                      F-10
<PAGE>


                      INTERNATIONAL SPECIALTY PRODUCTS INC.

               CONSOLIDATED STATEMENTS OF CASH FLOWS--(CONTINUED)

<TABLE>
<CAPTION>
                                                                         YEAR ENDED DECEMBER 31,
                                                                     --------------------------------
                                                                       1997        1996        1995
                                                                     --------    --------    --------
                                                                               (THOUSANDS)
<S>                                                                  <C>         <C>         <C>      
Supplemental Cash Flow Information:
Effect on cash from (increase) decrease in working capital items*:
  Accounts receivable ............................................   $(12,655)   $ (8,884)   $(10,892)
  Inventories ....................................................    (11,324)       (575)      1,029
  Other current assets ...........................................     (2,525)       (967)      2,105
  Accounts payable ...............................................      4,189       1,186      (5,895)
  Accrued liabilities ............................................      1,104       1,738       8,389
  Income taxes ...................................................         71        (148)        159
                                                                     --------    --------    --------
      Net effect on cash from increase in
        working capital items ....................................   $(21,140)   $ (7,650)   $ (5,105)
                                                                     ========    ========    ========
Cash paid during the period for:
  Interest (net of amount capitalized) ...........................   $ 28,938    $ 33,015    $ 36,776
  Income taxes (including taxes paid pursuant
    to the Tax Sharing Agreement) ................................     22,973      61,701      44,489
</TABLE>

- --------
*    Working  capital  items  exclude  cash  and  cash  equivalents,  short-term
     investments,  short-term debt and payables to and receivables  from related
     parties.  Working  capital  acquired in  connection  with  acquisitions  is
     reflected within "Capital  expenditures and  acquisitions".  The effects of
     reclassifications between noncurrent and current assets and liabilities are
     excluded  from the  amounts  shown  above.  In  addition,  the  increase in
     accounts receivable shown above does not reflect the cash proceeds from the
     sale of the Company's domestic trade accounts receivable (see Note 3); such
     proceeds are reflected in cash from financing activities.








The accompanying Notes to Consolidated Financial Statements are an integral part
of these statements.


                                      F-11
<PAGE>


                      INTERNATIONAL SPECIALTY PRODUCTS INC.

                 CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY

<TABLE>
<CAPTION>
                                                                                       CAPITAL
                                                                                       STOCK AND        CUMULATIVE
                                                                     ADDITIONAL        TREASURY         TRANSLATION
                                                                      PAID-IN            STOCK           ADJUSTMENT        RETAINED
                                                                      CAPITAL           AT COST          AND OTHER         EARNINGS
                                                                     ---------         ---------         ---------         ---------
                                                                                               (THOUSANDS)
<S>                                                                  <C>               <C>               <C>               <C>      
December 31, 1994 ...........................................        $ 505,571         $    (327)        $   8,348         $ 132,259
  Net income ................................................               --                --                --            67,375
  Translation adjustment ....................................               --                --             6,918                --
  Repurchases of common stock-2,102,200 shares ..............               --           (16,614)               --                --
  Change in unrealized gains on available-for-sale
    securities, net of $1,198 income tax effect .............               --                --             2,618                --
  Issuances under stock option plan--
    28,805 shares ...........................................               --               223                --                --
  Excess of cost of treasury stock issued
    over proceeds ...........................................              (28)               --                --                --
  Adjustment of unfunded pension liability ..................               --                --               384                --
                                                                     ---------         ---------         ---------         ---------
December 31, 1995 ...........................................        $ 505,543         $ (16,718)        $  18,268         $ 199,634
  Net income ................................................               --                --                --            80,663
  Translation adjustment ....................................               --                --            (8,376)               --
  Repurchases of common stock-1,443,700 shares ..............               --           (15,134)               --                --
  Reclassification to additional paid-in capital
    of the excess of purchase price over the
    adjusted historical cost of predecessor
    company shares ..........................................          (63,483)               --                --                --
  Change in unrealized gains on available-for-sale
    securities, net of $48 income tax effect ................               --                --              (820)               --
  Issuances under stock option plan--
    112,823 shares ..........................................               --               957                --                --
  Issuances of stock (1,750 shares) and options
    as incentives ...........................................              323                21                --                --
  Excess of cost of treasury stock issued
    over proceeds ...........................................             (181)               --                --                --
  Adjustment of unfunded pension liability ..................               --                --               796                --
                                                                     ---------         ---------         ---------         ---------
December 31, 1996 ...........................................        $ 442,202         $ (30,874)        $   9,868         $ 280,297
  Net income ................................................               --                --                --            92,649
  Translation adjustment ....................................               --                --            (7,483)               --
  Repurchases of common stock-800,000 shares ................               --           (10,240)               --                --
  Change in unrealized gains on available-for-sale
    securities, net of $2,635 income tax effect .............               --                --             5,338                --
  Issuances under stock option plan--
    305,670 shares ..........................................               --             2,880                --                --
  Issuances of stock (500 shares) and options
    as incentives ...........................................              696                 5                --                --
  Excess of cost of treasury stock issued
    over proceeds ...........................................             (415)               --                --                --
  Adjustment of unfunded pension liability ..................               --                --              (693)               --
                                                                     ---------         ---------         ---------         ---------
December 31, 1997 ...........................................        $ 442,483         $ (38,229)        $   7,030         $ 372,946
                                                                     =========         =========         =========         =========
</TABLE>




The accompanying Notes to Consolidated Financial Statements are an integral part
of these statements.


                                      F-12
<PAGE>

                      INTERNATIONAL SPECIALTY PRODUCTS INC.

                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

     International  Specialty  Products Inc. (the  "Company") is a multinational
manufacturer of a wide range of specialty chemicals, mineral products and filter
products. See Notes 10 and 11 for financial information concerning the Company's
industry segments and foreign and domestic operations.  Approximately 84% of the
Company's common stock is owned by ISP Holdings Inc. ("ISP Holdings").

     ISP Holdings was a wholly-owned subsidiary of GAF Corporation ("GAF") until
January 1, 1997, when its stock was distributed to the  stockholders of GAF in a
series  of  transactions   involving   GAF's   subsidiaries   (the   "Separation
Transactions").  As a result,  ISP Holdings and the Company are no longer direct
or indirect  subsidiaries  of GAF or its  subsidiary,  G-I Holdings  Inc.  ("G-I
Holdings").

NOTE 1. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

   Principles of Consolidation

     All subsidiaries are consolidated and intercompany  transactions  have been
eliminated.

   Financial Statement Estimates

     The  preparation  of financial  statements  in  conformity  with  generally
accepted  accounting  principles  requires management to make certain estimates.
Actual results could differ from those estimates.  In the opinion of management,
the financial  statements  herein contain all  adjustments  necessary to present
fairly the financial  position and the results of  operations  and cash flows of
the Company for the  periods  presented.  The Company has a policy to review the
recoverability  of  long-lived  assets and  identify  and measure any  potential
impairments. The Company does not anticipate any changes in management estimates
that would have a material impact on operations, liquidity or capital resources.

   Investment in Joint Venture

     The Company's 50% ownership of GAF-Huls Chemie GmbH  ("GAF-Huls"),  a joint
venture which operates a chemical  manufacturing  plant in Germany, is accounted
for by the equity method. The Company's equity in the net assets of GAF-Huls was
$34.3 and $38.2 million as of December 31, 1997 and 1996,  respectively,  and is
included in "Other  assets".  Dividends  received by the Company  from  GAF-Huls
totaled $6.3, $5.7 and $0.3 million for 1997, 1996 and 1995, respectively.

   Short-term Investments

     For  securities   classified  as  "trading"  (including  short  positions),
unrealized gains and losses are reflected in income.  For securities  classified
as "available-for-sale",  unrealized gains and losses, net of income tax effect,
are  included  in a separate  component  of  stockholders'  equity,  "Cumulative
translation  adjustment and other",  and amounted to $6.1 and $0.7 million as of
December   31,  1997  and  1996,   respectively.   Investments   classified   as
"held-to-maturity"  securities are carried at amortized cost in the Consolidated
Balance Sheets.

     "Other  income,  net",  includes  $31.9,  $20.5  and $16.5  million  of net
realized  and   unrealized   gains  on  securities  in  1997,   1996  and  1995,
respectively.  The determination of cost in computing  realized gains and losses
is based on the specific identification method.

     During the fourth quarter of 1995, the Company  redesignated certain equity
securities  held long (which were  offsets  against  short  positions in certain
other securities),  with a fair market value of $18.1 million,  as "trading" and
recorded unrealized gains on such securities, through the date of redesignation,
in the amount of $2.1 million as "Other income".

     As of December 31, 1997 and 1996, the market value of the Company's  equity
securities  held long was  $160.2  and  $115.1  million,  respectively,  and the
Company had $22.8 and $7.9 million,  respectively,  of short positions in common
stocks,  based on market  value.  As of December  31, 1997 and 1996,  the market
value of the Company's  held-to-maturity  securities  was $0.3 and $2.0 million,
respectively.  The market  values  referred to above are based


                                      F-13
<PAGE>

                      INTERNATIONAL SPECIALTY PRODUCTS INC.

             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)


NOTE 1. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (CONTINUED)

on quotations as reported by various stock  exchanges and major  broker-dealers.
With respect to its  investments  in  securities,  the Company is exposed to the
risk of market loss.

     "Other  short-term  investments"  are  investments in limited  partnerships
which are accounted for by the equity method.  Gains and losses are reflected in
"Other income, net". Liquidation of partnership interests generally require a 30
to 45 day notice period.

     Cash and cash  equivalents  include  cash on  deposit  and debt  securities
purchased with original maturities of three months or less.

   Inventories

     Inventories  are stated at the lower of cost or market.  The LIFO (last-in,
first-out) method is utilized to determine cost for a substantial portion of the
Company's domestic inventories. All other inventories are determined principally
based on the FIFO (first-in, first-out) method.

   Property, Plant and Equipment

     Property,   plant  and  equipment  is  stated  at  cost  less   accumulated
depreciation.  Depreciation is computed  principally on the straight-line method
based  on the  estimated  economic  lives of the  assets.  The  Company  uses an
economic life of 10-20 years for land improvements,  40 years for buildings, and
3-20 years for machinery and equipment,  which includes  furniture and fixtures.
Certain  interest  charges are capitalized  during the period of construction as
part of the cost of property, plant and equipment.

   Foreign Exchange Contracts

     The  Company  enters  into  forward  foreign   exchange   instruments  with
off-balance-sheet  risk in  order  to hedge a  portion  of both  its  borrowings
denominated in foreign currency and its firm or anticipated purchase commitments
related to the operations of foreign affiliates. Gains and losses on instruments
used to hedge firm  purchase  commitments  are  deferred,  and  amortization  is
included in the measurement of the foreign currency  transactions  hedged. Gains
and losses on  instruments  used to hedge  anticipated  purchases are recognized
within "Other income, net".

     Forward  contract  agreements  require the Company and the  counterparty to
exchange fixed amounts of U.S.  dollars for fixed amounts of foreign currency on
specified  dates.  The market value of such contracts varies with changes in the
market  exchange  rates.  The  Company is exposed to credit loss in the event of
nonperformance  by  the  counterparties  to  the  forward  contract  agreements.
However,  the Company does not anticipate  nonperformance by the counterparties.
The Company does not generally  require  collateral or other security to support
these financial instruments.

     As of  December  31,  1997 and 1996,  the  equivalent  dollar fair value of
outstanding  forward foreign  exchange  contracts was $151.6 and $174.5 million,
respectively,  and the amount of unrealized gains and losses on such instruments
was  immaterial  at each of such  dates.  All  forward  contracts  are in  major
currencies  with highly liquid  markets and mature within one year.  The Company
uses  quoted  market  prices  obtained  from  major  financial  institutions  to
determine the market value of its outstanding  forward exchange  contracts.  The
U.S. dollar equivalent fair value of foreign exchange  contracts  outstanding as
of December 31, 1997 as a hedge of non-local  currency  loans was $24.9 million,
representing  100% of the Company's  foreign  currency  exposure with respect to
such loans.

     The  Company  continually  monitors  its risk from the  effect  of  foreign
currency  fluctuations on its operations and on the derivative  products used to
hedge its risk. The Company  utilizes  real-time,  on-line foreign exchange data
and news as well as  evaluation  of economic  information  provided by financial
institutions.  Mark-to-market  valuations are made on a regular  basis.  Hedging
strategies are approved by senior management before being implemented.


                                      F-14
<PAGE>


                      INTERNATIONAL SPECIALTY PRODUCTS INC.

             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)


NOTE 1. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (CONTINUED)

   Foreign Currency Translation

     Assets and liabilities of foreign subsidiaries, other than those located in
highly  inflationary  countries,  are translated at year-end exchange rates. The
effects of these translation adjustments are reported in a separate component of
stockholders'  equity,   "Cumulative  translation  adjustment  and  other",  and
amounted  to  $1.7  and  $9.1   million  as  of  December  31,  1997  and  1996,
respectively.  Income and  expenses are  translated  at average  exchange  rates
prevailing during the year.  Exchange gains and losses arising from transactions
denominated  in a currency  other  than the  functional  currency  of the entity
involved,  and translation  adjustments of subsidiaries in countries with highly
inflationary economies, are included in "Other income, net".

   Excess of Purchase Price Over the Adjusted Historical Cost of Predecessor 
     Company Shares

     Stockholders' equity reflects a reduction of $63.5 million which arose from
a  management-led  buyout  in  March  1989  of the  predecessor  company  to the
Company's  former  parent  company,  GAF (the  "Acquisition"),  because  certain
members of the management group owned shares of the predecessor company's common
stock  before  the  Acquisition  and own  shares of GAF  after the  Acquisition.
Accordingly, a step-up in asset values to fair value as required by the purchase
method of accounting  (which was applied to the  Acquisition)  does not apply to
their shares.  Such amount has been  reclassified to be reflected as a reduction
of additional paid-in capital.

   Excess of Cost Over Net Assets of Businesses Acquired ("Goodwill")

     Goodwill, which arose principally from the Acquisition, is amortized on the
straight-line  method  over a period  of  approximately  40 years.  The  Company
believes that the goodwill is recoverable.  The primary  financial  indicator to
assess  recoverability  of goodwill is operating  income before  amortization of
goodwill. The assessment is based on an undiscounted analysis.

   Debt Issuance Costs

     Debt  issuance  costs are amortized to expense over the life of the related
debt.

   Interest Rate Swaps

     Gains (losses) on interest rate swap agreements  ("swaps") are deferred and
amortized as a reduction  (increase) of interest expense over the remaining life
of the debt issue with respect to which the swaps were entered.

   Research and Development

     Research and  development  costs are charged to  operations as incurred and
amounted  to  $27.3,   $25.4  and  $21.9  million  for  1997,   1996  and  1995,
respectively.

   Earnings per Common Share

     In February 1997,  the Financial  Accounting  Standards  Board (the "FASB")
issued Statement of Financial  Accounting  Standards ("SFAS") No. 128, "Earnings
per Share",  which  requires the Company to present Basic Earnings per Share and
Diluted Earnings per Share.  Earnings per Share data for the years 1996 and 1995
have been  restated to conform  with the  provisions  of SFAS No.  128.  Diluted
Earnings per Share give effect to all dilutive potential common shares that were
outstanding  during the period under the Company's  1991  Incentive Plan for Key
Employees and Directors (see Note 8).

   Environmental Liability

     The  Company,  together  with other  companies,  is a party to a variety of
proceedings and lawsuits involving  environmental matters. The Company estimates
that its liability in respect of such environmental  matters,  and certain other
environmental  compliance  expenses,  as of December 31, 1997, is $17.8 million,
before reduction for


                                      F-15
<PAGE>


                      INTERNATIONAL SPECIALTY PRODUCTS INC.

             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)


NOTE 1. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (CONTINUED)


insurance  recoveries  reflected  on its  balance  sheet  of $7.2  million.  The
Company's  liability  is  reflected on an  undiscounted  basis.  See Note 12 for
further  discussion  with respect to  environmental  liabilities  and  estimated
insurance recoveries.

   New Accounting Standards

     In June  1997,  the FASB  issued  SFAS No.  130,  "Reporting  Comprehensive
Income", which establishes standards for reporting  comprehensive income and its
components in annual and interim financial statements. SFAS No. 130 is effective
for  fiscal  years  beginning  after  December  15,  1997.  Reclassification  of
financial  statements for earlier periods is required.  The adoption of SFAS No.
130 will have no impact on the  Company's  consolidated  results of  operations,
financial position or cash flows.

     In June 1997, the FASB issued SFAS No. 131,  "Disclosures about Segments of
an  Enterprise  and  Related  Information",   which  establishes  standards  for
companies to report  information  about operating  segments in annual  financial
statements,  based on the  approach  that  management  utilizes to organize  the
segments  within the Company for management  reporting and decision  making.  In
addition, SFAS No. 131 requires that companies report selected information about
operating segments in interim financial reports.  It also establishes  standards
for related disclosures about products and services, geographic areas, and major
customers.  SFAS No. 131 is effective for financial  statements for fiscal years
beginning  after December 15, 1997.  Financial  statement  disclosures for prior
periods are required to be  restated.  The adoption of SFAS No. 131 will have no
impact on the Company's  consolidated results of operations,  financial position
or cash flows.


NOTE 2. INCOME TAXES

     Income tax (provision) benefit consists of the following:

                                            YEAR ENDED DECEMBER 31,
                                    --------------------------------------
                                      1997           1996           1995
                                    --------       --------       --------
                                                  (THOUSANDS)
     Federal:
       Current ...............      $(30,299)      $(38,968)      $(48,955)
       Deferred ..............       (13,342)         2,071         17,794
                                    --------       --------       --------
     Total Federal ...........       (43,641)       (36,897)       (31,161)
                                    --------       --------       --------
     Foreign--current ........        (5,394)        (6,648)        (6,432)
                                    --------       --------       --------
     State and local:
       Current ...............        (2,216)        (2,182)        (2,149)
       Deferred ..............          (738)           423          1,015
                                    --------       --------       --------
     Total state and local ...        (2,954)        (1,759)        (1,134)
                                    --------       --------       --------
     Income tax provision ....      $(51,989)      $(45,304)      $(38,727)
                                    ========       ========       ========

     The differences  between the income tax provision  computed by applying the
statutory  Federal  income  tax  rate to  pre-tax  income,  and the  income  tax
provision reflected in the Consolidated Statements of Income are as follows:

<TABLE>
<CAPTION>
                                                                     YEAR ENDED DECEMBER 31,
                                                              --------------------------------------
                                                                1997           1996           1995
                                                              --------       --------       --------
                                                                            (THOUSANDS)

<S>                                                           <C>            <C>            <C>      
     Statutory tax provision ...........................      $(50,545)      $(44,045)      $(37,136)
     Impact of:
       Foreign operations ..............................         2,541          1,848          3,633
       State and local taxes, net of Federal benefits ..        (1,920)        (1,143)          (737)
       Nondeductible goodwill amortization .............        (4,611)        (4,620)        (4,628)
       Percentage depletion ............................         1,680          1,668          1,824
       Other, net ......................................           866            988         (1,683)
                                                              --------       --------       --------
     Income tax provision ..............................      $(51,989)      $(45,304)      $(38,727)
                                                              ========       ========       ========
</TABLE>


                                      F-16
<PAGE>


                      INTERNATIONAL SPECIALTY PRODUCTS INC.

             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)


NOTE 2. INCOME TAXES (CONTINUED)

     The compon ents of the net deferred tax liability are as follows:

<TABLE>
<CAPTION>
                                                                         DECEMBER 31,
                                                                   -----------------------
                                                                     1997           1996
                                                                   --------       --------
                                                                          (THOUSANDS)
     Deferred tax liabilities related to:
<S>                                                                <C>            <C>     
       Property, plant and equipment ........................      $ 93,601       $ 90,103
       Other ................................................           803          1,948
                                                                   --------       --------
       Total deferred tax liabilities .......................        92,798         92,051
                                                                   --------       --------
     Deferred tax assets related to:
       Expenses not yet deducted for tax purposes ...........       (12,559)       (16,798)
       Deferred income ......................................       (11,092)       (22,921)
       Other ................................................        (5,748)        (5,534)
                                                                   --------       --------
       Total deferred tax assets ............................       (29,399)       (45,253)
                                                                   --------       --------
     Net deferred tax liability .............................        63,399         46,798
     Deferred tax assets reclassified to other current assets         6,854          5,867
                                                                   --------       --------
     Noncurrent deferred tax liability ......................      $ 70,253       $ 52,665
                                                                   ========       ========
</TABLE>

     Effective  January 1,  1997,  the  Company  and its  domestic  subsidiaries
entered  into a Tax Sharing  Agreement  with ISP  Holdings  with  respect to the
payment of Federal  income taxes and certain  related  matters (the "Tax Sharing
Agreement"). During the term of the Tax Sharing Agreement, which extends as long
as the  Company  or any of its  domestic  subsidiaries,  as the case may be, are
included in a consolidated  Federal income tax return filed by ISP Holdings or a
successor  entity,  the Company is  obligated  to pay to ISP  Holdings an amount
equal to those Federal  income taxes the Company would have incurred if, subject
to  certain  exceptions,  the  Company  (on  behalf of itself  and its  domestic
subsidiaries)  filed its own  consolidated  Federal  income  tax  return.  These
exceptions include, among others, that the Company may utilize certain favorable
tax  attributes,  i.e.,  losses,  deductions  and credits  (except for a certain
amount of foreign tax credits and, in general,  net operating  losses),  only at
the time such attributes reduce the Federal income tax liability of ISP Holdings
and its  consolidated  subsidiaries  (the "ISP  Holdings  Group");  and that the
Company may carry back or carry forward its favorable tax attributes  only after
taking into  account  current  tax  attributes  of the ISP  Holdings  Group.  In
general,  subject to the  foregoing  limitations,  unused tax  attributes  carry
forward for use in reducing  amounts  payable by the Company to ISP  Holdings in
future years. Subject to certain exceptions,  actual payment for such attributes
will be made by ISP Holdings to the Company  only when ISP Holdings  receives an
actual refund of taxes from the Internal  Revenue  Service (the "IRS") or, under
certain  circumstances,  the  earlier  of (i) the dates of the filing of Federal
income tax returns of the Company for taxable years of the Company following the
last taxable year in which it was a member of the ISP  Holdings  Group,  or (ii)
when ISP  Holdings  no longer  owns more than 50% of the  Company.  Foreign  tax
credits not utilized by the Company in computing  its tax sharing  payments will
be refunded by ISP Holdings to the Company,  if such credits expire  unutilized,
upon the termination of the statute of limitations for the year of expiration.

     The Tax Sharing Agreement  provides for analogous  principles to be applied
to any consolidated,  combined or unitary state or local income taxes. Under the
Tax Sharing  Agreement,  ISP Holdings  makes all  decisions  with respect to all
matters  relating to taxes of the ISP Holdings Group.  The provisions of the Tax
Sharing  Agreement  take into account both the Federal  income taxes the Company
would have incurred if it filed its own separate  Federal  income tax return and
the fact that the  Company  is a member of the ISP  Holdings  Group for  Federal
income tax purposes.

     The Company was a party to tax sharing  agreements  with members of the GAF
consolidated   group  (the  "GAF  Group").   As  a  result  of  the   Separation
Transactions,  the  Company is no longer  included in the  consolidated  Federal
income tax returns of GAF, and  therefore,  such tax sharing  agreements  are no
longer applicable with respect to the


                                      F-17
<PAGE>

                      INTERNATIONAL SPECIALTY PRODUCTS INC.

             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)


NOTE 2. INCOME TAXES (CONTINUED)

tax  liabilities  of the  Company  for  periods  subsequent  to  the  Separation
Transactions.  The  Company  remains  obligated,  however,  with  respect to tax
liabilities  imposed or that may be imposed for periods prior to the  Separation
Transactions.  Among other things,  those tax sharing agreements provide for the
sharing of the GAF Group's  consolidated  tax  liability  based on each member's
share of the tax as if such member  filed on a separate  basis.  Accordingly,  a
payment of tax would be made to GAF equal to the  Company's  allocable  share of
the GAF Group's consolidated tax liability.  Alternatively, the Company would be
entitled  to  refunds  if  losses or other  attributes  reduce  the GAF  Group's
consolidated  tax  liability.  Moreover,  foreign tax credits  generated  by the
Company not  utilized by GAF will be  refunded by GAF or its  subsidiary  to the
Company,  if such credits expire  unutilized upon  termination of the statute of
limitations  for  the  year  of  expiration.   Furthermore,  those  tax  sharing
agreements  provide for an  indemnification to the Company for any tax liability
attributable to another member of the GAF Group.

     On September  15, 1997,  GAF received a notice from the IRS of a deficiency
in the  amount  of $84.4  million  (after  taking  into  account  the use of net
operating  losses and foreign tax credits  otherwise  available for use in later
years) in connection with the formation in 1990 of Rhone-Poulenc Surfactants and
Specialties,  L.P. (the  "surfactants  partnership"),  a partnership  in which a
subsidiary of GAF, GAF Fiberglass  Corporation ("GFC"),  holds an interest.  The
claim of the IRS for  interest  and  penalties,  after  taking into  account the
effect on the use of net operating losses and foreign tax credits,  could result
in GFC  incurring  liabilities  significantly  in  excess  of the  deferred  tax
liability of $131.4  million that GAF recorded in 1990 in  connection  with this
matter.  GAF has advised the Company  that it believes  that GFC will prevail in
this matter,  although  there can be no  assurance  in this regard.  The Company
believes that the ultimate  disposition  of this matter will not have a material
adverse  effect on its  financial  position or results of  operations.  GAF, G-I
Holdings and certain  subsidiaries  of GAF have agreed to jointly and  severally
indemnify the Company against any tax liability  associated with the surfactants
partnership,  which the Company would be severally liable for, together with GAF
and several subsidiaries of GAF, should GFC be unable to satisfy such liability.

NOTE 3. SALE OF ACCOUNTS RECEIVABLE

     In June 1993,  the Company sold its  domestic  trade  accounts  receivable,
without  recourse,  for a maximum of $25 million in cash to be made available to
the Company  based on eligible  domestic  receivables  outstanding  from time to
time.  The agreement  under which the Company sells its domestic  trade accounts
receivable has been renewed each year for one-year periods on substantially  the
same terms and  conditions,  and the maximum  purchase amount has been increased
and provides  for up to $29 million in cash as of December 31, 1997.  In January
1998, the maximum  purchase  amount was increased to $33 million.  The excess of
accounts receivable sold over the net proceeds received is included in "Accounts
receivable,  other".  The  effective  cost to the  Company  varies with LIBOR or
commercial  paper rates and is included in "Other  income,  net" and amounted to
$1.8, $1.6 and $1.7 million in 1997, 1996 and 1995, respectively.

NOTE 4. INVENTORIES

     At December 31, 1997 and 1996,  $52.0 and $49.2 million,  respectively,  of
domestic inventories were valued using the LIFO method. Inventories comprise the
following:

                                                       DECEMBER 31,
                                               ---------------------------
                                                 1997              1996
                                               ---------         ---------
                                                       (THOUSANDS)

     Finished goods ...................        $  84,912         $  68,436
     Work in process ..................           20,088            24,261
     Raw materials and supplies .......           18,408            17,814
                                               ---------         ---------
       Total ..........................          123,408           110,511
     Less LIFO reserve ................           (3,498)           (1,925)
                                               ---------         ---------
     Inventories ......................        $ 119,910         $ 108,586
                                               =========         =========


                                      F-18
<PAGE>

                      INTERNATIONAL SPECIALTY PRODUCTS INC.

             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)


NOTE 5. PROPERTY, PLANT AND EQUIPMENT

     Property, plant and equipment comprises the following:

                                                       DECEMBER 31,
                                                 -------------------------
                                                   1997            1996
                                                 ---------       ---------
                                                       (THOUSANDS)

     Land and land improvements ...........      $  72,710       $  71,653
     Buildings and building equipment .....         87,574          85,693
     Machinery and equipment ..............        503,206         475,917
     Construction in progress .............         65,651          45,341
                                                 ---------       ---------
       Total ..............................        729,141         678,604
     Less accumulated depreciation ........       (215,935)       (189,130)
                                                 ---------       ---------
     Property, plant and equipment, net ...      $ 513,206       $ 489,474
                                                 =========       =========

     See Note 12 for information regarding capital leases.

NOTE 6. LONG-TERM DEBT

     Long-term debt comprises the following:

                                                           DECEMBER 31,
                                                     -------------------------
                                                       1997             1996
                                                     ---------       ---------
                                                           (THOUSANDS)

     9% Senior Notes due 1999 .................      $ 200,000       $ 200,000
     Borrowings under revolving credit facility         35,000          70,425
     Obligation on mortgaged property, due 1999         38,125          38,125
     Obligations under capital leases (Note 12)          1,939           2,068
     Other ....................................            262             286
                                                     ---------       ---------
       Total long-term debt ...................        275,326         310,904
     Less current maturities ..................           (684)           (610)
                                                     ---------       ---------
     Long-term debt less current maturities ...      $ 274,642       $ 310,294
                                                     =========       =========

     In  connection  with the  issuance of the 9% Senior Notes due 1999 (the "9%
Notes"),  the Company entered into interest rate swap agreements  ("swaps") with
banks in an aggregate  notional  principal amount of $200 million.  In 1993, the
Company terminated the swaps,  resulting in gains of $25.1 million,  and entered
into new swaps.  The gains were deferred and are being  amortized as a reduction
of interest  expense over the remaining life of the 9% Notes. As a result of the
new swaps, the effective  interest cost to the Company of the 9% Notes varies at
a fixed spread over LIBOR. During 1997, the Company entered into five-year swaps
with banks in the aggregate  notional  principal amount of $100 million in order
to fix a portion of its  interest  expense  and reduce its  exposure to floating
interest rates.  These swaps require the Company to pay a fixed rate and receive
LIBOR  for a period  of five  years.  Based on the  fair  value of the  swaps at
December 31, 1997 and 1996,  the Company would have incurred  losses of $3.3 and
$4.8 million,  respectively,  representing  the  estimated  amount that would be
payable by the Company if the swaps were terminated at such dates.

     The Company may be  considered to be at risk, to the extent of the costs of
replacing such swaps at current market rates, in the event of  nonperformance by
counterparties.   However,   since  the   counterparties   are  major  financial
institutions,  the credit  ratings  of which are  continually  monitored  by the
Company,  the risk of such  nonperformance  is  considered  by the Company to be
remote.

     In July 1996,  the Company  entered into a new five-year  revolving  credit
facility  (the "Credit  Agreement")  with a group of banks,  which  provides for
loans  of up to  $400  million  and  letters  of  credit  of up to $75  million.
Borrowings under the Credit Agreement bear interest at a floating rate (6.15% on
December 31, 1997) based on the 


                                      F-19
<PAGE>

                      INTERNATIONAL SPECIALTY PRODUCTS INC.

             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)


NOTE 6. LONG-TERM DEBT (CONTINUED)

banks' base rate, federal funds rate,  Eurodollar rate or a competitive bid rate
(which  may be  based on LIBOR or money  market  rates),  at the  option  of the
Company.

     As of December  31,  1997,  letters of credit in the amount of $7.9 million
were outstanding  under the Credit  Agreement.  The Credit Agreement permits the
Company to make loans to affiliates, and to make available letters of credit for
the benefit of affiliates,  in an aggregate amount of up to $75 million, none of
which had been utilized as of December 31, 1997.

     The Company  has a $38.1  million  mortgage  obligation,  due 1999,  on its
headquarters  property.  Interest on the mortgage is at a floating rate based on
LIBOR.

     Borrowings by the Company,  including those under the Credit Agreement, are
subject to the  application  of certain  financial  covenants  contained in such
agreement  and in the  indentures  relating to ISP Holdings' 9% Senior Notes due
2003 and 93/4% Senior Notes due 2002.  As of December 31, 1997,  the Company was
in compliance with such  covenants,  and the application of such covenants would
not have  restricted  the  amount  available  for  borrowing  under  the  Credit
Agreement.  The Credit Agreement and the indenture relating to the 9% Notes also
limit the amount of cash  dividends,  purchases  of  treasury  stock,  and other
restricted  payments (as defined) by the Company. As of December 31, 1997, under
the most restrictive of such limitations,  the Company could have paid dividends
in the aggregate amount of $108.8 million.

     The Credit  Agreement  and the  indenture  relating to the 9% Notes contain
additional affirmative and negative covenants,  including restrictions on liens,
investments,  transactions  with affiliates,  sale-leaseback  transactions,  and
mergers and transfers of all or  substantially  all of the assets of the Company
or its  subsidiaries.  The Credit Agreement also provides for a default if there
is a change in control (as defined) of the Company.

     Neither the Credit  Agreement nor the 9% Notes are secured by any assets of
the Company or its subsidiaries.  The indenture governing the 9% Notes provides,
subject to certain exceptions,  that if the Company issues any debt secured by a
lien on the stock of certain of its subsidiaries or upon any principal property,
then such notes must be equally and ratably secured.

     The Company  believes that the fair value of its  non-public  variable rate
indebtedness  approximates  the book  value  of such  indebtedness  because  the
interest rates on such indebtedness are at floating short-term rates. The Credit
Agreement  also  provides for  adjustments  to the  interest  rate if there is a
change in the  credit  rating of the  Company.  With  respect  to the  Company's
publicly  traded debt  securities,  the Company has  obtained  estimates of fair
values from an independent  source  believed to be reliable.  The estimated fair
value of the 9% Notes as of  December  31,  1997 and 1996 was  $205.5 and $207.8
million, respectively.

     The aggregate  maturities of long-term debt as of December 31, 1997 for the
next five years are as follows:

                                                          (THOUSANDS)
                                                           ---------
         1998.........................................     $    684
         1999.........................................      238,563
         2000.........................................          414
         2001.........................................       39,343
         2002.........................................          287

     In the above table,  1999  maturities  include the $200 million of 9% Notes
and the $38.1 million mortgage obligation.  Maturities in 2001 include the $35.0
million of borrowings  outstanding under the Credit Agreement as of December 31,
1997,  based on the  expiration of the Credit  Agreement in July 2001,  and $4.0
million of borrowings from ISP Holdings pursuant to a note agreement maturing in
July 2001 (see Note 9).

     At  December  31,  1997,  the  Company's  foreign  subsidiaries  had  total
available  short-term lines of credit aggregating $29.0 million,  of which $14.8
million  were unused,  and the Company  also had  domestic  bank lines of credit
totaling $15.0 million, of which $13.7 million were unused. The weighted average
interest rate on the Company's short-term borrowings as of December 31, 1997 and
1996 was 5.7% and 4.6%, respectively.


                                      F-20
<PAGE>

                      INTERNATIONAL SPECIALTY PRODUCTS INC.

             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)


NOTE 7.  BENEFIT PLANS

     Eligible, full-time employees of the Company are covered by various benefit
plans, as described below.

   Defined Contribution Plan

     The Company provides a defined  contribution  plan for eligible  employees.
The Company  contributes up to 7% of participants'  compensation (any portion of
which  can be  contributed,  at the  participants'  option,  in the  form of the
Company's common stock at a $.50 per share discount from the market price on the
date of contribution),  and also contributes fixed amounts,  ranging from $50 to
$750 per year  depending  on age, to the  accounts of  participants  who are not
covered by a Company-provided postretirement medical benefit plan. The aggregate
contributions by the Company were $7.0, $6.4 and $6.3 million for 1997, 1996 and
1995, respectively.

   Defined Benefit Plans

     The Company provides a noncontributory  defined benefit retirement plan for
certain hourly  employees (the "Hourly  Retirement  Plan").  Benefits under this
plan are based on stated amounts for each year of service. The Company's funding
policy is consistent with the minimum funding requirements of ERISA.

     The Company's net periodic pension cost (income) for the Hourly  Retirement
Plan included the following components:

<TABLE>
<CAPTION>
                                                              YEAR ENDED DECEMBER 31,
                                                        -----------------------------------
                                                         1997          1996          1995
                                                        -------       -------       -------
                                                                    (THOUSANDS)

<S>                                                     <C>           <C>           <C>    
     Service cost ................................      $   284       $   315       $   287
     Interest cost ...............................        1,481         1,439         1,349
     Actual income on plan assets ................       (2,152)       (1,733)         (976)
     Net deferral and amortization of unrecognized
       prior service cost ........................          174           174           275
                                                        -------       -------       -------
     Net periodic pension cost (income) ..........      $  (213)      $   195       $   935
                                                        =======       =======       =======
</TABLE>

     The following  table sets forth the funded status of the Hourly  Retirement
Plan:

                                                               DECEMBER 31,
                                                          ---------------------
                                                            1997         1996
                                                          --------     --------
                                                               (THOUSANDS)
Accumulated benefit obligation:
  Vested .............................................    $ 18,338     $ 16,914
  Nonvested ..........................................       3,380        3,117
                                                          --------     --------
Total accumulated benefit obligation .................    $ 21,718     $ 20,031
                                                          ========     ========
Projected benefit obligation .........................    $ 21,718     $ 20,031
Fair value of plan assets, primarily listed stocks and
  U.S. Government securities .........................     (21,426)     (19,076)
                                                          --------     --------
Projected benefit obligation in excess of plan assets          292          955
Unrecognized prior service cost ......................      (1,409)      (1,202)
Unrecognized net loss ................................        (693)          --
                                                          --------     --------
Prepaid pension cost .................................    $ (1,810)    $   (247)
                                                          ========     ========

     At  December  31,  1997,  the  difference  between the  "Projected  benefit
obligation  in excess of plan assets" and the  "Prepaid  pension  cost",  in the
amount of $2,102,000, has been recorded by the Company as an intangible asset in
the amount of $1,409,000 and a reduction of  stockholders'  equity in the amount
of $693,000. The foregoing amounts will be amortized to expense over a period of
approximately 15 years, as the Company  continues to fund the benefits under the
Hourly Retirement Plan.

                                      F-21
<PAGE>

                      INTERNATIONAL SPECIALTY PRODUCTS INC.

             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)


NOTE 7.  BENEFIT PLANS (CONTINUED)

     In  determining  the projected  benefit  obligation,  the weighted  average
assumed discount rate was 7.25% and 7.75% for 1997 and 1996,  respectively.  The
expected  long-term rate of return on assets,  used in determining  net periodic
pension cost (income), was 11% for 1997 and 1996.

     The Company also provides a nonqualified  defined  benefit  retirement plan
for certain key employees. Expense accrued for this plan was $0.6, $0.6 and $1.4
million for 1997, 1996 and 1995, respectively.

   Postretirement Medical and Life Insurance

     The  Company  generally  does not provide  postretirement  medical and life
insurance  benefits,  although it subsidizes such benefits for certain employees
and certain  retirees.  Such  subsidies  were  reduced or ended as of January 1,
1997.

     The  following  table shows the  components  of the accrued  postretirement
health care cost obligation as of December 31, 1997 and 1996:

<TABLE>
<CAPTION>
                                                                         DECEMBER 31,
                                                                    --------------------
                                                                     1997          1996
                                                                    -------      -------
                                                                         (THOUSANDS)

<S>                                                                 <C>          <C>    
Accumulated postretirement benefit obligation:
  Retirees, dependents and beneficiaries eligible for benefits      $ 8,465      $ 8,141
  Active employees fully eligible for benefits ...............        1,738        1,941
  Active employees not fully eligible for benefits ...........          121          123
                                                                    -------      -------
Total accumulated postretirement benefit obligation ..........       10,324       10,205
Fair value of plan assets ....................................           --           --
Unrecognized prior service cost and unrecognized net losses ..          180          573
                                                                    -------      -------
Accrued postretirement benefit obligation ....................      $10,504      $10,778
                                                                    =======      =======
</TABLE>

     The  net  periodic  postretirement  benefit  cost  included  the  following
components:

<TABLE>
<CAPTION>
                                                       YEAR ENDED DECEMBER 31,
                                                   -----------------------------
                                                    1997        1996        1995
                                                   -----       -----       -----
                                                            (THOUSANDS)

<S>                                                <C>         <C>         <C>  
Service cost ..................................    $   4       $   4       $   3
Interest cost .................................      752         805         884
Amortization of unrecognized prior service cost     (179)        (39)       (145)
                                                   -----       -----       -----
Net periodic postretirement benefit cost ......    $ 577       $ 770       $ 742
                                                   =====       =====       =====
</TABLE>

     For  purposes  of  calculating  the  accumulated   postretirement   benefit
obligation,  the following  assumptions  were made.  Retirees as of December 31,
1997 who were formerly salaried employees (with certain exceptions) were assumed
to receive a Company  subsidy of $700 to $1,000 per year.  For retirees over age
65, this subsidy may be replaced by  participation  in a managed  care  program.
With respect to retirees who were formerly hourly employees,  most such retirees
are subject to a $5,000 per person  lifetime  maximum  benefit.  Subject to such
lifetime  maximum,  a 12% and 6% annual rate of increase  in the  Company's  per
capita cost of providing  postretirement  medical  benefits was assumed for 1998
for such retirees  under and over age 65,  respectively.  To the extent that the
lifetime  maximum  benefits  have not been  reached,  the  foregoing  rates were
assumed to decrease gradually to 7% and 6%,  respectively,  by the year 2003 and
remain at that level thereafter. The weighted average assumed discount rate used
in determining the accumulated  postretirement  benefit obligation was 7.25% and
7.75% for 1997 and 1996, respectively.

     The health  care cost trend rate  assumption  has an effect on the  amounts
reported. To illustrate,  increasing the assumed health care cost trend rates by
one percentage point in each year would increase the accumulated  postretirement
benefit  obligation as of December 31, 1997 by $416,000 and the aggregate of the
service and interest cost components of the net periodic  postretirement benefit
cost for the year 1997 by $34,000.




                                      F-22
<PAGE>

                      INTERNATIONAL SPECIALTY PRODUCTS INC.

             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)


NOTE 8.  STOCK OPTION PLAN

     The 1991 Incentive  Plan for Key Employees and  Directors,  as amended (the
"Plan"),  authorizes  the grant of  options to  purchase a maximum of  7,000,000
shares of the Company's  common stock. In 1995, the Company's Board of Directors
approved  an  amendment  to the  Plan,  which  was  approved  by  the  Company's
stockholders  in 1996,  to permit  the  Compensation  Committee  of the Board of
Directors (the "Committee") to determine the exercise price and vesting schedule
of options  granted under the Plan. In 1997,  1996 and 1995, the Company granted
options to certain  employees to purchase  264,344,  338,645 and 215,500 shares,
respectively,  of the  Company's  common stock at exercise  prices  ranging from
$.625 to $5.625 below the fair market value of such shares on the date of grant.
The  difference  between the  exercise  price and the fair market  value of such
shares  on the date of grant is  recognized  as  compensation  expense  over the
vesting  periods of 21/2 to 3 years.  Compensation  expense for such options was
$0.7  million,  $0.3 million and $0 in 1997,  1996 and 1995,  respectively.  All
other employee options granted under the Plan have a term of nine years, have an
exercise  price  equal to the fair  market  value of such  shares on the date of
grant and become  exercisable at a rate  determined by the Committee at the time
of grant.
Special vesting rules apply to options granted to non-employee directors.

     The Company has elected  the  disclosure-only  provisions  of SFAS No. 123,
"Accounting  for Stock-Based  Compensation",  and applies APB Opinion No. 25 and
related  interpretations  in accounting for the Plan. If the Company had elected
to recognize  compensation cost based on the fair value of awards under the Plan
at grant dates,  the Company's pro forma net income for the years 1997, 1996 and
1995 would have been $90.5, $80.0 and $67.2 million, respectively, and pro forma
basic earnings per share would have been $.94, $.82 and $.68, respectively.  The
SFAS No. 123 method of accounting has not been applied to options  granted prior
to January 1, 1995, and the resulting pro forma compensation  expense may not be
indicative of pro forma expense in future years.

     The fair value of the Company's stock options used to compute pro forma net
income and  earnings  per share is the  estimated  present  value at the date of
grant  using  the   Black-Scholes   option-pricing   model  with  the  following
weighted-average assumptions:  risk-free interest rate of 6%; expected life of 6
years; expected volatility of 24%; and dividend yield of 0%.

     The following is a summary of transactions pertaining to the Plan:

<TABLE>
<CAPTION>
                                                YEAR ENDED             YEAR ENDED             YEAR ENDED
                                             DECEMBER 31, 1997      DECEMBER 31, 1996       DECEMBER 31, 1995
                                            -------------------     ------------------     ------------------
                                                       WEIGHTED               WEIGHTED                WEIGHTED
                                                        AVERAGE                AVERAGE                 AVERAGE
                                            SHARES     EXERCISE     SHARES    EXERCISE     SHARES     EXERCISE
                                            (000'S)      PRICE      (000'S)     PRICE      (000'S)      PRICE
                                            ------      -------      -----     -------     ------      -------
<S>                                          <C>        <C>          <C>       <C>          <C>         <C>  
Outstanding, January 1 ..................    5,014      $ 9.32       3,277     $ 7.86       2,200       $7.72
Granted .................................      515       11.99       2,110      11.31       1,355        8.05
Exercised ...............................     (306)       8.08        (113)      6.90         (29)       6.76
Forfeited ...............................     (490)       9.37        (260)      8.17        (249)       7.79
                                             -----                   -----                  -----
Outstanding, December 31 ................    4,733        9.68       5,014       9.32       3,277        7.86
                                             =====                   =====                  =====
Options exercisable, December 31 ........    1,294        8.37       1,140       8.45         708        8.65
                                             =====                   =====                  =====
</TABLE>

     Based on calculations  using the  Black-Scholes  option-pricing  model, the
weighted-average  fair value of options  granted in 1997 and 1996 under the Plan
for which the exercise price equaled the fair market value of such shares on the
date of grant was $4.17 and $3.50 per  share,  respectively,  and such  weighted
average  fair value of options  granted in 1997 and 1996 for which the  exercise
price was less than the fair  market  value of such  shares on the date of grant
was $7.93 and $5.99 per share, respectively.



                                      F-23
<PAGE>

                      INTERNATIONAL SPECIALTY PRODUCTS INC.

             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)


NOTE 8.  STOCK OPTION PLAN (CONTINUED)


     The following is a summary of the status of stock options  outstanding  and
exercisable under the Plan as of December 31, 1997:

<TABLE>
<CAPTION>
                                                         STOCK OPTIONS                      STOCK OPTIONS
                                                          OUTSTANDING                        EXERCISABLE
                                              --------------------------------------       -----------------
                                                                          WEIGHTED
                                                           WEIGHTED        AVERAGE                    WEIGHTED
                                                            AVERAGE       REMAINING                    AVERAGE
RANGE OF                                      SHARES       EXERCISE      CONTRACTUAL      SHARES      EXERCISE
EXERCISE PRICES                               (000'S)        PRICE          LIFE          (000'S)       PRICE
- -----------                                    -----        -------       ---------       ------       -------
<S>                                            <C>          <C>           <C>                <C>       <C>   
$5.00-$ 7.50.............................      1,586        $ 6.71        5.01 years         726       $ 6.77
$7.51-$11.25.............................      1,104          9.40        6.58 years         278         8.84
$11.26-$15.19............................      2,043         12.15        7.42 years         290        11.92
                                               -----                                       -----
Total ...................................      4,733          9.68        6.42 years       1,294         8.37
                                               =====                                       =====
</TABLE>

NOTE 9. RELATED PARTY TRANSACTIONS

     Building   Materials   Corporation   of  America   ("BMCA"),   an  indirect
wholly-owned subsidiary of GAF and an affiliate of the Company, purchases all of
its colored  roofing  granules  requirements  from the  Company  (except for the
requirements of its California roofing plant) under a requirements  contract. In
addition,  in December 1995, U.S.  Intec,  Inc.  ("USI"),  a subsidiary of BMCA,
commenced  purchasing  substantially all of its requirements for colored roofing
granules  from  the  Company  (except  for  the  requirements  of its  Stockton,
California and Corvallis,  Oregon plants)  pursuant to a requirements  contract.
Each such  requirements  contract  was renewed for 1998 and is subject to annual
renewal unless terminated by either party to the respective agreement.  In 1997,
BMCA and USI  purchased a total of $51.1  million of mineral  products  from the
Company,  representing  approximately  7% of the  Company's  total net sales and
approximately 62% of the Company's net sales of mineral  products.  Sales by the
Company  to BMCA and USI  totaled  $50.5  and $45.8  million  for 1996 and 1995,
respectively.  The receivable from BMCA and USI for sales of mineral products as
of December 31, 1997 and 1996 was $2.8 and $3.3 million, respectively.

     Pursuant  to a  Management  Agreement,  the Company  has  provided  certain
general management,  administrative, legal, telecommunications,  information and
facilities  services to ISP  Holdings and certain of its  affiliates,  including
GAF,  BMCA,  G-I Holdings  and GFC.  Charges by the Company for  providing  such
services  aggregated  $5.6,  $6.2 and $5.4  million  for  1997,  1996 and  1995,
respectively,   and  are  reflected  as  reductions  of  "Selling,  general  and
administrative"  expense.  Such  charges  consist of  management  fees and other
reimbursable  expenses  attributable  to, or  incurred  by the  Company  for the
benefit of, the respective parties,  which are based on an estimate of the costs
the Company incurs to provide such services. Effective January 1, 1998, the term
of the  Management  Agreement  was  extended  through  the end of 1998,  and the
management  fees payable  thereunder  were adjusted,  including an adjustment to
reflect the direct payment by BMCA of the costs for certain services rendered by
third parties that were  previously  included in the management  fees payable to
the Company.  The Company and BMCA further  modified the agreement to allocate a
portion of the management fees payable by BMCA under the Management Agreement to
separate  lease  payments  for  the use of  BMCA's  headquarters.  Based  on the
services  provided  by the  Company  in 1997,  after  taking  into  account  the
modifications to the agreement  described above, the aggregate amount payable to
the  Company  under  the  Management  Agreement  for  1998  is  expected  to  be
approximately $5.6 million.  BMCA also is expected to pay directly certain third
party costs,  which  aggregated  approximately  $0.4 million in 1997,  that were
previously  included in the management fees. In addition,  the Company currently
anticipates that in 1998 BMCA will require additional space for its headquarters
and will pay additional rent based on the square footage to be occupied.

     See Note 2 for a discussion of the Tax Sharing Agreement.


                                      F-24
<PAGE>

                      INTERNATIONAL SPECIALTY PRODUCTS INC.

             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)


NOTE 9. RELATED PARTY TRANSACTIONS (CONTINUED)

     Under  the  terms  of  the  Credit  Agreement,  the  Company  or any of its
subsidiaries  are permitted to make loans to affiliates,  and provide letters of
credit issued for the benefit of such affiliates,  up to an aggregate amount not
to exceed $75 million outstanding at any time (see Note 6).

     The  Company  and its  subsidiaries  also make loans to and borrow from ISP
Holdings at the same rates available to the Company under the Credit  Agreement.
At December 31, 1997 and 1996, the Company had $50.0 million in borrowings  from
ISP Holdings pursuant to a note agreement maturing in December 2006 and $4.0 and
$12.6 million, respectively, in borrowings pursuant to a note agreement maturing
in July 2001.

     Certain executive  officers of the Company were granted stock  appreciation
rights  relating  to  ISP  Holdings'  common  stock.   Compensation  expense  in
connection  with such stock  appreciation  rights is reflected in ISP  Holdings'
operating  expense and was $0.8  million in 1997 and was $0 for each of 1996 and
1995.

     ISP Holdings has issued options to certain  employees to purchase shares of
its redeemable convertible preferred stock; such shares are convertible,  at the
holder's option, into shares of common stock of ISP Holdings at a formula price.
The  common  stock is  subject  to  repurchase  by ISP  Holdings  under  certain
circumstances  at a price equal to current Book Value as defined.  No expense is
accrued in connection with the preferred stock options.


NOTE 10.  BUSINESS SEGMENT INFORMATION

<TABLE>
<CAPTION>
                                                         YEAR ENDED DECEMBER 31,
                                                  ------------------------------------
                                                    1997          1996          1995
                                                  --------      --------      --------
                                                               (MILLIONS)
<S>                                               <C>           <C>           <C>  
     Net sales:
       Specialty Chemicals .................      $  622.4      $  587.2      $  562.0
       Mineral Products(1) .................          83.1          85.6          86.1
       Other ...............................          43.7          43.7          40.9
                                                  --------      --------      --------
     Net sales .............................      $  749.2      $  716.5      $  689.0
                                                  ========      ========      ========
     Operating income:
       Specialty Chemicals(2) ..............      $  121.7      $  117.9      $  106.3
       Mineral Products ....................          17.0          16.5          16.3
       Other ...............................           4.6           1.6           4.5
                                                  --------      --------      --------
     Total operating income ................      $  143.3      $  136.0      $  127.1
                                                  ========      ========      ========
     Identifiable assets:
       Specialty Chemicals(3) ..............      $  985.2      $  958.1      $  953.5
       Mineral Products ....................         155.2         154.5         154.6
       Other ...............................          23.8          27.7          25.0
       General Corporate(4) ................         231.4         176.6         179.8
                                                  --------      --------      --------
     Total assets ..........................      $1,395.6      $1,316.9      $1,312.9
                                                  ========      ========      ========
     Capital expenditures and acquisitions:
       Specialty Chemicals .................      $   56.2      $   41.6      $   31.1
       Mineral Products ....................          11.2           9.5           6.0
       Other ...............................           1.1           3.5           1.8
                                                  --------      --------      --------
     Total .................................      $   68.5      $   54.6      $   38.9
                                                  ========      ========      ========
     Depreciation and goodwill amortization:
       Specialty Chemicals .................      $   43.6      $   41.0      $   38.6
       Mineral Products ....................          10.1           9.6           9.7
       Other ...............................           1.0           0.9           0.9
                                                  --------      --------      --------
     Total .................................      $   54.7      $   51.5      $   49.2
                                                  ========      ========      ========
</TABLE>

                                      F-25
<PAGE>

                      INTERNATIONAL SPECIALTY PRODUCTS INC.

             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)


NOTE 10.  BUSINESS SEGMENT INFORMATION (CONTINUED)


(1)  Includes sales to BMCA and USI of $51.1,  $50.5 and $45.8 million for 1997,
     1996 and 1995, respectively.

(2)  Does not  include  operating  income  of the  Company's  50%  ownership  of
     GAF-Huls.  The Company's equity in the earnings of GAF-Huls is reflected in
     the  Consolidated  Statements  of Income as  "Equity in  earnings  of joint
     venture" below Operating Income.

(3)  Identifiable  assets of  Specialty  Chemicals  include  the  Company's  50%
     ownership of GAF-Huls. See Note 1.

(4)  General Corporate assets primarily  represent the Company's  investments in
     trading,  available-for-sale  and  held-to-maturity  securities  and  other
     short-term  investments,  which are held for general corporate purposes and
     are not allocated to industry segments.

     The Company  manufactures  a broad spectrum of specialty  chemicals  having
numerous  applications  in consumer and industrial  products  encompassing  such
worldwide   markets  as   pharmaceuticals,   hair  and  skin   care,   plastics,
agricultural,  coatings and adhesives.  The Company's  mineral products business
manufactures ceramic-coated colored roofing granules which are sold primarily to
the North  American  roofing  industry  for use in the  manufacture  of  asphalt
roofing  shingles.  Over 60% of the Company's  sales of mineral  products are to
BMCA (see Note 9). The Company also manufactures filter products.


NOTE 11. GEOGRAPHIC INFORMATION

     Results  set  forth  below  for  foreign  operations  represent  sales  and
operating income of foreign-based subsidiaries.

<TABLE>
<CAPTION>
                                                     YEAR ENDED DECEMBER 31,
                                              --------------------------------------
                                                1997           1996           1995
                                              --------       --------       --------
                                                            (MILLIONS)
<S>                                           <C>            <C>            <C>     
     Net sales:
       Domestic operations(1) ..........      $  390.6       $  361.0       $  345.2
       Europe(2) .......................         201.4          212.3          209.1
       Asia-Pacific ....................         112.5          102.9          101.2
       Other foreign operations ........          44.7           40.3           33.5
                                              --------       --------       --------
     Net sales .........................      $  749.2       $  716.5       $  689.0
                                              ========       ========       ========
     Operating income:
       Domestic operations .............      $   80.2       $   64.4       $   57.9
       Europe ..........................          44.4           53.1           46.5
       Asia-Pacific ....................          16.3           17.5           20.2
       Other foreign operations ........           2.4            1.0            2.5
                                              --------       --------       --------
     Operating income ..................         143.3          136.0          127.1
     Equity in earnings of joint venture           5.9            5.6            5.4
     Interest expense and other, net ...          (4.6)         (15.6)         (26.4)
                                              --------       --------       --------
     Income before income taxes ........      $  144.6       $  126.0       $  106.1
                                              ========       ========       ========
     Identifiable assets:
       Domestic operations .............      $  965.0       $  948.4       $  954.1
       Europe(3) .......................         134.3          130.8          133.1
       Asia-Pacific ....................          43.2           41.4           32.2
       Other foreign operations ........          21.7           19.7           13.7
       General Corporate(4) ............         231.4          176.6          179.8
                                              --------       --------       --------
     Total assets ......................      $1,395.6       $1,316.9       $1,312.9
                                              ========       ========       ========
</TABLE>

(1)  Net  sales--domestic  operations  exclude sales by the  Company's  domestic
     subsidiaries to  foreign-based  subsidiaries  of $180.6,  $160.1 and $140.9
     million for 1997, 1996 and 1995, respectively.

(2)  Net sales--Europe  exclude sales by the Company's European  subsidiaries to
     domestic and other  foreign-based  subsidiaries  of $21.2,  $20.7 and $19.9
     million for 1997, 1996 and 1995, respectively.

(3)  Identifiable   assets--Europe   include  the  Company's  50%  ownership  of
     GAF-Huls. See Note 1.

(4)  General Corporate assets primarily  represent the Company's  investments in
     trading,  available-for-sale  and  held-to-maturity  securities  and  other
     short-term  investments,  which are held for  general  corporate  purposes.


                                      F-26
<PAGE>

                      INTERNATIONAL SPECIALTY PRODUCTS INC.

             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)


NOTE 11. GEOGRAPHIC INFORMATION (CONTINUED)

     Approximately  66% of the  Company's  international  sales in 1997  were in
countries  in Europe and Japan  which are  subject  to  currency  exchange  rate
fluctuation risks. See Note 1 for a discussion of the Company's policy to manage
these  risks.  Other  countries  in which the  Company  has sales are subject to
additional  risks,  including  high  rates  of  inflation,   exchange  controls,
government expropriation and general instability.

NOTE 12. COMMITMENTS AND CONTINGENCIES

     ISP  Holdings  is a  holding  company  without  independent  businesses  or
operations  and,  as such,  is  dependent  upon the cash flows of the Company in
order  to  satisfy  its  obligations.  Such  obligations  include  $325  million
principal  amount of ISP  Holdings' 9% Senior Notes due 2003 and $199.9  million
principal  amount of ISP  Holdings'  93/4% Senior  Notes due 2002.  ISP Holdings
expects to satisfy such obligations  from,  among other things,  refinancings of
debt,  dividends and loans from the Company,  as to which there are restrictions
under the Credit Agreement and the indenture  relating to the 9% Notes (see Note
6), and payments pursuant to the Tax Sharing Agreement (see Note 2). The Company
does not believe  that the  dependence  of ISP Holdings on the cash flows of the
Company should have a material  adverse effect on the  operations,  liquidity or
capital resources of the Company.

   Asbestos Litigation Against GAF

     GAF has advised the Company  that,  as of December  27,  1997,  it had been
named as a defendant in approximately  79,300 pending lawsuits involving alleged
asbestos-related  bodily  injury claims  relating to the  inhalation of asbestos
fiber  ("Asbestos  Claims"),  having  resolved  approximately  234,500  Asbestos
Claims.  During 1997,  GAF resolved  approximately  11,000  Asbestos  Claims and
received notice of  approximately  30,900 new Asbestos  Claims.  Of the Asbestos
Claims resolved in 1997,  approximately  8,900 were resolved (including Asbestos
Claims  disposed  of at no cost to GAF)  for an  average  cost of  approximately
$3,700 per claim.  GAF's share of the costs with respect to approximately  2,100
Asbestos  Claims resolved in 1997 has not yet been  determined.  There can be no
assurance,  however,  that the  actual  costs of  resolving  pending  and future
Asbestos Claims will approximate GAF's historic average costs.

     GAF has stated that it is committed to effecting a comprehensive resolution
of Asbestos Claims, that it is exploring a number of options,  both judicial and
legislative,  to accomplish such resolution,  but there can be no assurance that
this effort will be successful.

     Neither the Company nor the assets or operations of the Company,  which was
operated  as a division of a  corporate  predecessor  of GAF prior to July 1986,
have been involved in the manufacture or sale of asbestos products.  The Company
believes that it should have no legal  responsibility  for damages in connection
with  asbestos-related  claims.  Should  GAF,  however,  be  unable  to  satisfy
judgments against it in asbestos-related  lawsuits, its judgment creditors might
seek to enforce their  judgments  against the assets of GAF and, in that regard,
seek  to  recapture  assets  recently   distributed  by  GAF,  including  assets
distributed  in the  Separation  Transactions.  Although  the  Company  does not
believe  any  such  action  to  unwind  the  Separation  Transactions  would  be
successful,  there  can be no  assurance  in that  regard.  If a  creditor  were
successful in recapturing  assets  distributed  in the Separation  Transactions,
such creditor could seek to enforce any asbestos-related  judgment against GAF's
holdings of common stock of ISP  Holdings  and its  indirect  holdings of common
stock of the Company,  and such enforcement  could result in a change of control
of the Company. See Note 6 for discussion of the Credit Agreement.

   Environmental Litigation

     The  Company,  together  with other  companies,  is a party to a variety of
proceedings  and  lawsuits  involving   environmental  matters   ("Environmental
Claims"),  in which  recovery is sought for the cost of cleanup of  contaminated
sites,  a number of which  Environmental  Claims are in the early stages or have
been dormant for protracted periods.

     The Company  estimates  that its liability in respect of all  Environmental
Claims  (including  those  relating  to its  closed  Linden,  New  Jersey  plant
described  below),  as of December 31, 1997,  is  approximately  $17.8  million,
before  reduction for insurance  recoveries  reflected on the Company's  balance
sheet  (discussed  below) of $7.2


                                      F-27
<PAGE>

                      INTERNATIONAL SPECIALTY PRODUCTS INC.

             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)


NOTE 12. COMMITMENTS AND CONTINGENCIES (CONTINUED)

million  that relate to both past  expenses  and  estimated  future  liabilities
("estimated  recoveries").  The gross environmental liability is included within
"Accrued liabilities" and "Other liabilities",  and the estimated recoveries are
included within "Other current assets" and "Other assets".

     In  the  opinion  of  the  Company's  management,  the  resolution  of  the
Environmental Claims should not be material to the business,  liquidity, results
of operations, cash flows or financial position of the Company. However, adverse
decisions  or  events,  particularly  as to  the  liability  and  the  financial
responsibility  of the Company's  insurers and of the other parties  involved at
each site and their  insurers,  could cause the Company to increase its estimate
of its  liability in respect of such matters.  It is not  currently  possible to
estimate the amount or range of any additional liability.

     After  considering the relevant legal issues and other  pertinent  factors,
the Company believes that it will receive the estimated  recoveries and that the
recoveries  could be well in excess of the current  estimated  liability for all
Environmental  Claims,  although there can be no assurances in this regard.  The
Company  believes it is entitled to  substantially  full  defense and  indemnity
under  its  insurance  policies  for most  Environmental  Claims,  although  the
Company's  insurers have not affirmed a legal  obligation  under the policies to
provide indemnity for such claims.

     In March  1995,  GAF  commenced  litigation  on behalf  of  itself  and its
predecessors,  successors,  subsidiaries and related corporate  entities seeking
amounts substantially in excess of the estimated  recoveries.  While the Company
believes  that its claims are  meritorious,  there can be no assurance  that the
Company will prevail in its efforts to obtain amounts equal to, or in excess of,
the estimated recoveries.

     In June 1989, the Company  entered into a Consent Order with the New Jersey
Department of Environmental  Protection ("NJDEP") requiring the development of a
remediation plan for its closed Linden,  New Jersey plant and the maintenance of
financial  assurances  (currently  $7.5  million)  to  guarantee  the  Company's
performance.  This Consent Order does not address any potential natural resource
damage claims.  In April 1993,  NJDEP issued orders which require the prevention
of discharge of  contaminated  groundwater  and stormwater from the site and the
elimination of other potential exposure concerns. The Company believes, although
there can be no assurance,  that,  taking into account its plans for development
of the site,  it can comply  with the NJDEP order at a cost of no more than $7.5
million.

   Lease Commitments

     Leases for certain  equipment at the Company's  mineral products plants are
accounted  for as  capital  leases  and are  included  in  "Property,  plant and
equipment,  net",  at December  31, 1997 and 1996 in the amount of $2.1 and $2.3
million, respectively. The Company also has operating leases for transportation,
production  and data  processing  equipment  and for various  buildings.  Rental
expense on operating  leases was $9.7,  $8.7 and $8.2 million for 1997, 1996 and
1995, respectively. Future minimum lease payments for properties which were held
under long-term noncancelable leases as of December 31, 1997 were as follows:

                                                         CAPITAL       OPERATING
                                                         LEASES         LEASES
                                                         ------         ------
                                                              (THOUSANDS)

    1998............................................      $ 782         $3,590
    1999............................................        487          2,409
    2000............................................        434          1,582
    2001............................................        339            625
    2002............................................        255            449
    Later years ....................................         --            733
                                                         ------         ------
    Total minimum payments .........................      2,297         $9,388
                                                                        ======
    Less interest included above ...................       (358)
                                                         ------
    Present value of net minimum lease payments ....     $1,939
                                                         ======


                                      F-28
<PAGE>

                      INTERNATIONAL SPECIALTY PRODUCTS INC.

             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)


NOTE 12. COMMITMENTS AND CONTINGENCIES (CONTINUED)

   Other Matters

     The Company intends to acquire or develop a European manufacturing facility
to meet the needs of the  Company's  European  business.  While  the  originally
anticipated  commencement date of the European project has been deferred because
the Company has been able to implement cost efficient capacity expansions at its
existing manufacturing facilities, based upon its current analyses of additional
opportunities  for expansion of existing  capacity,  end-use  demand,  and other
relevant  factors,  the Company intends to proceed with the project during 1998.
Costs  capitalized to date related to this project are included in "Construction
in progress".  The Company  anticipates  utilizing  internally  generated funds,
existing credit facilities and/or independent  financing to fund the cost of the
project.

     The Company has received  site  designation  from the New Jersey  Hazardous
Waste  Facilities  Siting  Commission for the  construction of a hazardous waste
treatment, storage and disposal facility at its Linden, New Jersey property, and
has received approval from the New Jersey Turnpike Authority for a direct access
ramp from the  Turnpike to the site.  Both the site  designation  and the access
ramp  approval  have been  appealed  to the  Courts by the City of  Linden.  The
Company   estimates  that  the  cost  of  constructing   the  facility  will  be
approximately  $100 million and, if approved,  the facility is anticipated to be
in  operation  three  years  after  commencement  of  construction.  The Company
anticipates  utilizing internally generated cash and/or seeking project or other
independent financing therefor.  Accordingly,  the Company would not expect such
facility to impact materially its liquidity or capital resources.

     See Note 2 for information regarding additional contingencies.

NOTE 13. SUBSEQUENT EVENT

     The  Company  announced  in  December  1997  that  it had  entered  into an
agreement  to  purchase  Polaroid  Corporation's  Freetown,  Massachusetts  fine
chemicals  facility.   The  transaction  was  completed  in  February  1998.  In
connection  with  the  purchase,  the  Company  entered  into  a  sale-leaseback
arrangement of the facility's  equipment with a third party.  The lease is to be
accounted for as an operating lease,  with an initial term of four years and, at
the Company's  option,  up to three  one-year  renewal  periods.  As part of the
transaction,  the Company entered into a long-term supply and license  agreement
with  Polaroid  for the  imaging  chemicals  and  polymers  manufactured  at the
facility and used by Polaroid in its instant film business.


                                      F-29
<PAGE>


                      INTERNATIONAL SPECIALTY PRODUCTS INC.

                         SUPPLEMENTARY DATA (UNAUDITED)

                      QUARTERLY FINANCIAL DATA (UNAUDITED)

<TABLE>
<CAPTION>
                                               1997 BY QUARTER                      1996 BY QUARTER
                                         ---------------------------          ---------------------------
                                      FIRST   SECOND    THIRD   FOURTH      FIRST   SECOND    THIRD   FOURTH
                                      -----    -----    -----   ------      -----    -----    -----   ------
                                                                    (MILLIONS)
<S>                                   <C>     <C>      <C>      <C>         <C>     <C>      <C>      <C>   
Net sales ..........................  $191.2  $197.8   $183.6   $176.6      $185.6  $185.0   $173.6   $172.3

Cost of products sold ..............   114.2   116.2    105.8    100.5       112.9   107.1    100.3     98.6
                                      ------  ------   ------   ------      ------  ------   ------   ------

Gross profit .......................  $ 77.0  $ 81.6   $ 77.8   $ 76.1      $ 72.7  $ 77.9   $ 73.3   $ 73.7
                                      ======  ======   ======   ======      ======  ======   ======   ======

Operating income ...................  $ 36.8  $ 39.5   $ 35.2   $ 31.8      $ 34.2  $ 38.0   $ 33.5   $ 30.3
                                      ======  ======   ======   ======      ======  ======   ======   ======

Income before income taxes..........  $ 36.2  $ 39.9   $ 35.6   $ 32.9      $ 31.3  $ 35.6   $ 31.3   $ 27.8

Income taxes .......................   (13.0)  (14.4)   (12.8)   (11.8)      (11.4)  (13.0)   (11.2)    (9.7)
                                      ------  ------   ------   ------      ------  ------   ------   ------

Net income .........................  $ 23.2  $ 25.5   $ 22.8   $ 21.1      $ 19.9  $ 22.6   $ 20.1   $ 18.1
                                      ======  ======   ======   ======      ======  ======   ======   ======

Earnings per common share(1):

  Basic ............................   $ .24   $ .27    $ .24    $ .22       $ .20   $ .23    $ .21    $ .19
                                      ======  ======   ======   ======      ======  ======   ======   ======

  Diluted ..........................   $ .24   $ .26    $ .23    $ .22       $ .20   $ .23    $ .21    $ .19
                                      ======  ======   ======   ======      ======  ======   ======   ======
</TABLE>

- ---------
(1)  Earnings per share are calculated  separately for each quarter and the full
     year. Accordingly, annual earnings per share will not necessarily equal the
     total of the  quarters.  Previously  reported  earnings per share data have
     been restated to present "Basic  Earnings per Share" and "Diluted  Earnings
     per Share",  in accordance  with the provisions of SFAS No. 128,  "Earnings
     per Share". See Note 1 to Consolidated Financial Statements.



                                      F-30
<PAGE>


                                                                     SCHEDULE II


                      INTERNATIONAL SPECIALTY PRODUCTS INC.

                        VALUATION AND QUALIFYING ACCOUNTS

<TABLE>
<CAPTION>
                          YEAR ENDED DECEMBER 31, 1997
                                   (THOUSANDS)

                                                         BALANCE      CHARGED TO                    BALANCE
                                                       JANUARY 1,      COSTS AND                  DECEMBER 31,
DESCRIPTION                                               1997         EXPENSES      DEDUCTIONS       1997
- -----------                                               ----         --------      ----------       ----
<S>                                                       <C>             <C>           <C>           <C>
Valuation and Qualifying Accounts Deducted
  from Assets to Which They Apply:
    Allowance for doubtful accounts .................     $ 2,840         $  338        $  454(a)     $ 2,724
    Reserve for inventory market valuation ..........      12,812          7,631         6,360         14,083


<CAPTION>
                          YEAR ENDED DECEMBER 31, 1996
                                   (THOUSANDS)

                                                         BALANCE      CHARGED TO                     BALANCE
                                                       JANUARY 1,      COSTS AND                  DECEMBER 31,
DESCRIPTION                                               1996         EXPENSES      DEDUCTIONS       1996
- -----------                                               ----         --------      ----------       ----
<S>                                                       <C>             <C>           <C>           <C>
Valuation and Qualifying Accounts Deducted
  from Assets to Which They Apply:
    Allowance for doubtful accounts .................     $ 2,879         $  272        $ 311(a)      $ 2,840
    Reserve for inventory market valuation ..........      13,978          8,329         9,495         12,812

<CAPTION>
                          YEAR ENDED DECEMBER 31, 1995
                                   (THOUSANDS)

                                                         BALANCE      CHARGED TO                     BALANCE
                                                       JANUARY 1,      COSTS AND                  DECEMBER 31,
DESCRIPTION                                               1995         EXPENSES      DEDUCTIONS       1995
- -----------                                               ----         --------      ----------       ----
<S>                                                       <C>             <C>           <C>           <C>
Valuation and Qualifying Accounts Deducted
  from Assets to Which They Apply:
    Allowance for doubtful accounts .................     $ 2,292         $  681        $   94(a)     $ 2,879
    Reserve for inventory market valuation ..........       9,631          8,861         4,514         13,978
</TABLE>

- --------
Note:
(a)  Represents write-off of uncollectible accounts net of recoveries.


                                      S-1
<PAGE>

                      INTERNATIONAL SPECIALTY PRODUCTS INC.

                       SUPPLEMENTARY FINANCIAL INFORMATION

    GUARANTOR FINANCIAL DATA (FOR THE ISSUERS AND THE SUBSIDIARY GUARANTORS)


     The  9%  Senior  Notes  discussed  in  Note  6  to  Consolidated  Financial
Statements were issued by ISP Chemicals Inc. and ISP Technologies Inc., domestic
subsidiaries of ISP (the "Issuers") and are guaranteed by ISP and certain of its
domestic subsidiaries (the "Subsidiary Guarantors"). Presented below is combined
condensed financial  information for the Issuers and the Subsidiary  Guarantors,
which together are interdependent and with their subsidiaries  constitute all of
the domestic  subsidiaries of ISP, except for International  Specialty  Products
Funding Corporation,  a special purpose subsidiary of ISP which is the seller of
ISP's accounts receivable. See Note 3 to Consolidated Financial Statements. This
financial  information  should be read in  conjunction  with ISP's  Consolidated
Financial  Statements  and related notes  included in this Form 10-K.  Financial
information  for  ISP's  foreign  subsidiaries,   including  its  investment  in
GAF-Huls,  is reflected in the  following  financial  information  by the equity
method of accounting.


                     COMBINED CONDENSED STATEMENTS OF INCOME
                  FOR THE ISSUERS AND THE SUBSIDIARY GUARANTORS

                                                    YEAR ENDED DECEMBER 31,
                                                -------------------------------
                                                 1997         1996        1995
                                                ------       ------      ------
                                                          (MILLIONS)

Net sales ..................................    $571.2       $521.1      $486.0
                                                ------       ------      ------
Costs and expenses:
  Cost of products sold ....................     384.6        355.2       333.7
  Selling, general and administrative ......      96.3         88.3        81.2
  Goodwill amortization ....................      13.2         13.2        13.2
                                                ------       ------      ------
      Total costs and expenses .............     494.1        456.7       428.1
                                                ------       ------      ------
Operating income ...........................      77.1         64.4        57.9
Interest expense ...........................     (25.7)       (27.3)      (34.3)
Equity in income of foreign subsidiaries and
  50% owned joint venture ..................      54.4         61.8        53.3
Other income, net ..........................      27.0         20.2        22.4
                                                ------       ------      ------
Income before income taxes .................     132.8        119.1        99.3
Income taxes ...............................     (42.5)       (38.6)      (31.9)
                                                ------       ------      ------
Net income .................................    $ 90.3       $ 80.5      $ 67.4
                                                ======       ======      ======

                                      S-2
<PAGE>


                      INTERNATIONAL SPECIALTY PRODUCTS INC.

                       SUPPLEMENTARY FINANCIAL INFORMATION

          GUARANTOR FINANCIAL DATA (FOR THE ISSUERS AND THE SUBSIDIARY
                            GUARANTORS)--(CONTINUED)

                        COMBINED CONDENSED BALANCE SHEETS
                  FOR THE ISSUERS AND THE SUBSIDIARY GUARANTORS

<TABLE>
<CAPTION>
                                                                            DECEMBER 31,
                                                                        ----------------------
                                                                          1997          1996
                                                                        --------      --------
                                                                             (MILLIONS)
<S>                                                                     <C>           <C>     
                                     ASSETS
Current Assets:
  Cash and cash equivalents ......................................      $    7.2      $    5.3
  Investments in trading securities ..............................          28.8           0.7
  Investments in available-for-sale securities ...................          70.4          59.8
  Other short-term investments ...................................           7.8           6.1
  Accounts receivable, net .......................................          10.6           4.9
  Receivable from related parties, net ...........................           6.3           5.0
  Loan receivable from related party .............................            --           2.6
  Inventories ....................................................          74.4          67.5
  Other current assets ...........................................          13.7          11.0
                                                                        --------      --------
      Total Current Assets .......................................         219.2         162.9
  Property, plant and equipment, net .............................         481.7         459.7
  Excess of cost over net assets of businesses acquired, net .....         404.1         417.3
  Advances to and equity in investment in foreign subsidiaries and
    50% owned joint venture ......................................         203.6         192.2
  Other assets ...................................................          24.2          22.1
                                                                        --------      --------
  Total Assets ...................................................      $1,332.8      $1,254.2
                                                                        ========      ========

                      LIABILITIES AND STOCKHOLDERS' EQUITY

Current Liabilities:
  Short-term debt ................................................      $   17.2      $     --
  Current maturities of long-term debt ...........................           0.6           0.6
  Accounts payable ...............................................          32.2          29.7
  Accrued liabilities ............................................          44.8          39.9
                                                                        --------      --------
      Total Current Liabilities ..................................          94.8          70.2
Long-term debt less current maturities ...........................         274.4         310.0
Long-term notes payable to related party .........................          54.0          62.6
Deferred income taxes ............................................          70.3          52.7
Other liabilities ................................................          59.9          59.7
Stockholders' Equity .............................................         779.4         699.0
                                                                        --------      --------
Total Liabilities and Stockholders' Equity .......................      $1,332.8      $1,254.2
                                                                        ========      ========
</TABLE>


                                      S-3
<PAGE>

                      INTERNATIONAL SPECIALTY PRODUCTS INC.

                       SUPPLEMENTARY FINANCIAL INFORMATION

          GUARANTOR FINANCIAL DATA (FOR THE ISSUERS AND THE SUBSIDIARY
                            GUARANTORS)--(CONTINUED)

                   COMBINED CONDENSED STATEMENTS OF CASH FLOWS
                  FOR THE ISSUERS AND THE SUBSIDIARY GUARANTORS

<TABLE>
<CAPTION>
                                                                    YEAR ENDED DECEMBER 31,
                                                                 --------------------------------
                                                                  1997         1996         1995
                                                                 ------       ------       ------
                                                                            (MILLIONS)

<S>                                                              <C>          <C>          <C>   
Cash and cash equivalents, beginning of year ..............      $  5.3       $  3.3       $  9.9
                                                                 ------       ------       ------
Cash provided by operating activities:
  Net income ..............................................        90.3         80.5         67.4
  Adjustments to reconcile net income to net cash
    provided by operating activities:
      Depreciation ........................................        38.4         35.4         33.6
      Goodwill amortization ...............................        13.2         13.2         13.2
      Deferred income taxes ...............................        14.1         (2.5)       (18.8)
  (Increase) decrease in working capital items ............        (8.4)         9.4         (7.1)
  Purchases of trading securities .........................       (92.8)       (10.3)       (66.5)
  Proceeds from sales of trading securities ...............        58.1         19.5        104.1
  Change in advances to and equity in investment in foreign
    subsidiaries and 50% owned joint venture ..............       (10.3)       (34.4)       (26.8)
  Change in net receivable from/payable to related parties         (1.2)       (14.5)         6.1
  Change in cumulative translation adjustment .............        (7.5)        (8.4)         6.9
  Other, net ..............................................        (3.5)        (4.6)         8.1
                                                                 ------       ------       ------
Net cash provided by operating activities .................        90.4         83.3        120.2
                                                                 ------       ------       ------
Cash used in investing activities:
  Capital expenditures ....................................       (61.4)       (45.5)       (34.4)
  Purchases of available-for-sale securities ..............      (146.7)      (170.0)      (325.3)
  Purchases of other short-term investments ...............          --         (1.3)        (2.2)
  Proceeds from sales of available-for-sale securities ....       151.7        188.9        255.6
                                                                 ------       ------       ------
Net cash used in investing activities .....................       (56.4)       (27.9)      (106.3)
                                                                 ------       ------       ------
Cash provided by (used in) financing activities:
  Proceeds from sale of accounts receivable ...............          --          2.0          3.7
  Increase (decrease) in short-term debt ..................        17.2        (13.0)        13.0
  Increase (decrease) in borrowings under
    revolving credit facility .............................       (35.4)        29.6         (4.2)
  Other increase (decrease) in long-term debt, net ........        (0.2)         0.4         (1.4)
  Decrease in loans from related parties ..................        (6.0)       (57.9)       (15.2)
  Repurchases of common stock .............................       (10.2)       (15.1)       (16.6)
  Other, net ..............................................         2.5          0.6          0.2
                                                                 ------       ------       ------
Net cash used in financing activities .....................       (32.1)       (53.4)       (20.5)
                                                                 ------       ------       ------
Net change in cash and cash equivalents ...................         1.9          2.0         (6.6)
                                                                 ------       ------       ------
Cash and cash equivalents, end of year ....................      $  7.2       $  5.3       $  3.3
                                                                 ======       ======       ======
</TABLE>

     The advances to and equity in  investment in foreign  subsidiaries  and 50%
owned joint venture and the related  equity in income from foreign  subsidiaries
and 50% owned  joint  venture  include  the net  assets and  operating  results,
respectively, of ISP's wholly-owned foreign subsidiaries and its 50% owned joint
venture,  GAF-Huls.  Domestic  operating income includes $43.3,  $39.4 and $28.4
million  of  profits  on  sales  made  by  ISP's  domestic  subsidiaries  to its
foreign-based subsidiaries for 1997, 1996 and 1995, respectively. Profits earned
on  sales  to  the  foreign-based   subsidiaries  which  were  included  in  the
foreign-based  subsidiaries'  inventories  at the end of each  period  have been
eliminated  from  domestic  operating  income and from advances to and equity in
investment in foreign subsidiaries.

     Dividends received from foreign-based  subsidiaries and GAF-Huls aggregated
$23.4, $18.7 and $26.0 million for 1997, 1996 and 1995, respectively.





                                      S-4

<PAGE>

                                 EXHIBIT INDEX

EXHIBIT                   DESCRIPTION
- -------                   -----------

21                        List of Subsidiaries
23                        Consent of Independent Public Accountants
27                        Financial Data Schedule



                                                                

                                                                      EXHIBIT 21

                            INTERNATIONAL SPECIALTY PRODUCTS INC.
                                     LIST OF SUBSIDIARIES

                                                                    STATE OF
COMPANY                                                           INCORPORATION
- -------                                                           -------------

International Specialty Products Inc.                               Delaware
     ISP Management Company, Inc.                                   Delaware
     ISP Minerals Inc.                                              Delaware
     ISP Filters Inc.                                               Delaware
     ISP Technologies Inc.                                          Delaware
     ISP Mineral Products Inc.                                      Delaware
     ISP Environmental Services Inc.                                Delaware
     Bluehall Incorporated                                          Delaware
        Verona Inc.                                                 Delaware
     ISP Realty Corporation                                         Delaware
     ISP Real Estate Company, Inc.                                  Delaware
     International Specialty Products Funding Corporation           Delaware
     ISP Chemicals Inc.                                             Delaware
       ISP Newark Inc.                                              Delaware
       ISP Van Dyk Inc.                                             Delaware
       ISP Fine Chemicals Inc.                                      Delaware
       ISP Freetown Fine Chemicals Inc.                             Delaware
       ISP Investments Inc.                                         Delaware
         ISP Global Technologies Inc.                               Delaware
           ISP International Filters Inc.                           Delaware
           ISP International Corp.                                  Delaware
             ISP (Puerto Rico) Inc.                                 Delaware
           GAF Huls Chemie GmbH                                     Germany
           ISP Andina, C.A.                                         Venezuela
           ISP Argentina S.A.                                       Argentina
           ISP Asia Pacific Pte Ltd.                                Singapore
           ISP (Australasia) Pte Ltd.                               Australia
           ISP (Belgium) N.V.                                       Belgium
           ISP (Belgium) International N.V.                         Belgium
           ISP do Brasil Ltda.                                      Brazil
           ISP (Canada) Inc.                                        Canada
           ISP Ceska Republika Spol, S.R.O.                         Czech. Rep.
           ISP (China) Limited                                      China
           ISP Colombia Ltda.                                       Colombia
           ISP Filters (Canada) Inc.                                Canada
           ISP Filters Pte Ltd.                                     Singapore
           ISP Freight Service N.V.                                 Belgium
           ISP Global Operations (Barbados) Inc.                    Barbados
           ISP Global Technologies (Belgium) S.A.                   Belgium
           ISP Global Technologies (Germany) Holding GmbH           Germany
           ISP Global Technologies Deutschland GmbH                 Germany
           HPF-Hanseatic Filterprodukte GmbH                        Germany
           International Specialty Products ISP (France) S.A        France
<PAGE>

            ISP Ireland(1)                                         Ireland
            ISP (Great Britain) Co. Ltd.                            England
            ISP (Hong Kong) Limited                                 Hong Kong
            ISP (Italia) S.r.l.                                     Italy
            ISP (Japan) Ltd.                                        Japan
            ISP (Korea) Limited                                     Korea
            ISP  Mexico, S.A. de C.V.                               Mexico
            ISP (Norden) A.B.                                       Sweden
            ISP (Osterreich) Ges.m.g.h.                             Austria
            ISP (Polska) Sp.z. o.p.                                 Poland
            ISP Sales (Barbados) Inc.                               Barbados
            ISP Sales (U.K.) Limited                                Ireland
            ISP (Singapore) Pte Ltd.                                Singapore
            ISP (Switzerland) A.G.                                  Switzerland
            ISP (Thailand) Co., Ltd.                                Thailand
            Chemfields Pharmaceuticals Private Limited(2)           India

- --------
   (1)  25% owned by ISP (Italia) S.r.l.; 75% owned by International Specialty
Products ISP (France) S.A.

   (2)  50.1% owned by ISP Global Technologies Inc.




                                                                      Exhibit 23


                   CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS

     As independent public accountants, we hereby consent to the incorporation
of our report dated February 23, 1998, included in or made part of this Form
10-K, into International Specialty Products Inc.'s previously filed Registration
Statements on Form S-8 File Nos. 33-54724, 33-92518, 33-94020 and 333-27505.


                                                             ARTHUR ANDERSEN LLP


Roseland, New Jersey
March 27, 1998



<TABLE> <S> <C>


<ARTICLE>                     5
<LEGEND>
     THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
     ANNUAL REPORT ON FORM 10-K OF INTERNATIONAL SPECIALTY PRODUCTS INC. AND IS
     QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<CIK>                         0000874578
<NAME>                        INTERNATIONAL SPECIALTY PRODUCTS INC.
<MULTIPLIER>                                     1,000
       
<S>                             <C>
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               DEC-31-1997
<CASH>                                          19,730
<SECURITIES>                                   161,749
<RECEIVABLES>                                   67,077
<ALLOWANCES>                                     2,724
<INVENTORY>                                    119,910
<CURRENT-ASSETS>                               418,564
<PP&E>                                         513,206
<DEPRECIATION>                                 215,935
<TOTAL-ASSETS>                               1,395,584
<CURRENT-LIABILITIES>                          151,597
<BONDS>                                        274,642
                                0
                                          0
<COMMON>                                           999
<OTHER-SE>                                     783,231
<TOTAL-LIABILITY-AND-EQUITY>                 1,395,584
<SALES>                                        749,208
<TOTAL-REVENUES>                               749,208
<CGS>                                          436,693
<TOTAL-COSTS>                                  436,693
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              26,126
<INCOME-PRETAX>                                144,638
<INCOME-TAX>                                    51,989
<INCOME-CONTINUING>                             92,649
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    92,649
<EPS-PRIMARY>                                      .96
<EPS-DILUTED>                                      .96
        



</TABLE>


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