LYDALL INC /DE/
10-K, 1998-03-27
TEXTILE MILL PRODUCTS
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<PAGE>
 
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               UNITED STATES 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 (FEE REQUIRED)
 
                  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 (NO FEE REQUIRED)
 
                   FOR THE TRANSITION PERIOD FROM     TO
 
                        COMMISSION FILE NUMBER: 1-7665
 
                               ----------------
 
 
                                 LYDALL, INC.
 
            (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER)
 
               DELAWARE                              06-0865505
    (STATE OR OTHER JURISDICTION OF               (I.R.S. EMPLOYER
    INCORPORATION OR ORGANIZATION)               IDENTIFICATION NO.)
 
    ONE COLONIAL ROAD, MANCHESTER,                   06045-0151
              CONNECTICUT                            (ZIP CODE)
    (ADDRESS OF PRINCIPAL EXECUTIVE
               OFFICES)
 
      REGISTRANT'S TELEPHONE NUMBER, INCLUDING AREA CODE: (860) 646-1233
 
                               ----------------
 
          SECURITIES REGISTERED PURSUANT TO SECTION 12(B) OF THE ACT:
 
                                             NAME OF EACH EXCHANGE
           TITLE OF EACH CLASS                ON WHICH REGISTERED
           -------------------                ---------------------

             Common Stock, $.10 par value  New York Stock Exchange
 
                               ----------------
 
  INDICATE BY CHECK MARK WHETHER THE REGISTRANT (1) HAS FILED ALL REPORTS
REQUIRED TO BE FILED BY SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF
1934 DURING THE PRECEDING 12 MONTHS (OR FOR SUCH SHORTER PERIOD THAT THE
REGISTRANT WAS REQUIRED TO FILE SUCH REPORTS), AND (2) HAS BEEN SUBJECT TO
SUCH FILING REQUIREMENTS FOR THE PAST 90 DAYS.  YES [X] NO [_]
 
  INDICATE BY CHECK MARK IF DISCLOSURE OF DELINQUENT FILERS PURSUANT TO ITEM
405 OF REGULATION S-K IS NOT CONTAINED HEREIN, AND WILL NOT BE CONTAINED, TO
THE BEST OF THE REGISTRANT'S KNOWLEDGE, IN DEFINITIVE PROXY OR INFORMATION
STATEMENTS INCORPORATED BY REFERENCE IN PART III OF THIS FORM 10-K OR ANY
AMENDMENT TO THIS FORM 10-K.  [_]
 
  On March 16, 1998, the aggregate market value of the Registrant's voting
stock held by nonaffiliates was $269,819,034.
 
  On March 16, 1998, there were 16,068,885 shares of Common Stock outstanding,
exclusive of treasury shares.
                               ----------------
 
                      DOCUMENTS INCORPORATED BY REFERENCE
 
  Parts I and II incorporate certain information by reference from the Annual
Report to Stockholders for the year ended December 31, 1997. Part III
incorporates information by reference from the definitive Proxy Statement to
be distributed in connection with the Registrant's Annual Meeting of
Stockholders to be held on May 13, 1998.
 
- -------------------------------------------------------------------------------
- -------------------------------------------------------------------------------

<PAGE>
 
                                    PART I
 
ITEM 1. BUSINESS.
 
  Lydall, Inc. (hereafter referred to as "Lydall" or the "Company") is a
manufacturer of technologically advanced engineered materials for demanding
specialty applications.
 
  Lydall develops and manufactures engineered fiber materials and composites
in both roll and sheet form; fiber-based, metal-and-fiber, and all-metal
automotive heat shields; and certain medical filtration and automotive thermal
barrier components as well as wood-replacement board for pencils. Most of
Lydall's products are supplied to original-equipment manufacturers who convert
them or incorporate them into their finished products. Utilizing a broad
spectrum of available fibers, materials, binders, resins, etc. combined with
dry-laid and wet-laid nonwoven processes and specialty weaving capabilities,
the Company has been able to develop a broad range of high-performance
materials.
 
  The Company serves a number of market niches. Lydall's products are
primarily sold directly to the customer through an internal sales force and
are distributed through common carrier, ocean cargo, or the Company's trucking
operation. Within each market niche there are typically several competitors.
The Company primarily competes through high-quality products, technology, and
customer service. Lydall has a number of domestic and foreign competitors for
its products, most of whom are either privately owned or divisions of large
companies, making it difficult to determine the Company's market share.
 
  Lydall's products fall into four basic categories: specialty nonwovens,
fabricated components, fiberboard and paperboard, and other products and
services. The majority of these products serve filtration and heat-management
applications.
 
MAJOR MARKETS
 
 Thermal Barriers
 
  Lydall manufactures a broad range of materials and fabricates components
which serve as heat or thermal barriers. The Cryotherm(R) and Lytherm(R)
product lines include an assortment of specialty nonwovens using distinctive
materials, in both rigid and flexible forms, manufactured by a variety of
processes. The Company also fabricates heat-shields used by the automotive
market. Lydall products serve thermal-barrier applications in temperatures
ranging from -459 degrees F to +3,000 degrees F.
 
  At the highest temperature requirements, Lytherm(R) specialty nonwoven
products are used as linings for ovens, kilns, and furnaces and in glass and
metal manufacturing.
 
  At mid-range temperatures Lytherm(R) specialty nonwoven composites of
organic and inorganic fibers and certain Lydall fabricated heat shields are
used as thermal barriers throughout trucks, vans, sport-utility vehicles, and
cars. Lydall holds patents on many of its automotive products.
 
  Also, in mid-range temperatures, Manninglas(R) specialty nonwovens are
employed in consumer appliances and heat ventilation and air conditioning
ducting and insulation.
 
  At the very coldest temperatures (approaching absolute zero), Cryotherm(R)
cryogenic specialty nonwovens are used for super-insulating applications.
These include tanker trucks which transport liquid gases; stationary and
portable cryogenic storage vessels; gas tanks for vehicles fueled by liquid
natural gas; and supercolliders. These nonwovens are composed of 100-percent
inorganic fibers.
 
  Lydall also manufactures custom-designed nonwovens employed in automotive
air-bag pyrotechnic inflators. These materials perform both a filtration and
heat-reduction function.
 
                                       1
<PAGE>
 
  Sales to thermal barrier markets were approximately 37 percent of the
Company's sales for 1997, 38 percent 1996, and 36 percent for 1995. Sales for
thermal barrier applications decreased 7 percent in 1997 from 1996 levels.
This decrease can be attributable to the loss of a large piece of business to
Chrysler at the end of 1996 which was not offset by new business in 1997 and
the discontinuation of three Ford models that contained Lydall's thermal
barriers.
 
 Filtration Markets
 
  The Company manufactures high-efficiency air filtration media, marketed
under the Lydair(R) name. Lydair filtration media are specialty nonwovens used
for applications where clean air is vital, such as in semiconductor
manufacturing clean rooms, industrial clean rooms, and biotechnology
laboratories. Lydall's product is sold in roll form to air filter
manufacturers.
 
  Lydall manufactures Lydair media in six filtration classes in over 100
grades with filtering efficiencies from 10 percent at 0.3 micron particle size
to 99.999999 percent at 0.1 micron particle size.
 
  Lydall filtration media are primarily used in air filters which are capital
goods rather than consumables and last approximately five years. A replacement
market exists as facilities using these filters upgrade clean room technology.
Replacement of pre-filters and intermediary filters take place more
frequently. Lydall sells materials for these filters as well. The Company's
HEPA filtration media are also used in home air-purification units.
 
  Lydall's line of fabricated medical filter components are sold under the
trademark Lypore(R) and are widely used in blood filtration devices, such as
cardiotomy reservoirs which filter the blood supply of an open-heart surgery
patient during the operation, and autotransfusion filters used to filter blood
collected from a patient before surgery or from an injured patient. This
product line also includes a leukocyte filtration media used in devices that
separate blood components.
 
  In addition, Lydall produces liquid filtration media used primarily in high-
efficiency hydraulic oil and lubrication oil elements for off-road vehicles,
trucks, and heavy equipment. These products are also sold under the Lypore(R)
trademark.
 
  Early in 1998, a Lydall subsidiary funded the capitalization of Charter
Medical Ltd. This separate corporate entity acquired Charter Med Inc. This
entity manufactures proprietary medical devices serving applications such as
biotech and pharmaceutical packaging, blood bank and transfusion services,
neonatal intensive care, operating room/perfusion and stem cell processing and
freezing.
 
  Sales to the filtration market decreased to 22 percent of sales for 1997
compared with 24 percent and 22 percent for 1996 and 1995, respectively. The
overall sales to these markets decreased 11 percent in 1997 from 1996. High-
efficiency air filtration media, sold to air filter manufacturers for clean-
room applications, contributed the majority of total sales to filtration
applications. Sales were slower in 1997 mainly because of postponements of
planned clean-room construction and inventory reductions by customers
supplying the semiconductor industry.
 
 Materials-Handling Market
 
  Lydall produces slipsheets, separator sheets, and protective sheets. The Ly-
Pak(R) slipsheets are used to ship a growing number of products such as food,
pharmaceuticals, and chemicals. Ly-Pak(R) slipsheet systems are used to
replace wooden pallets, providing significant cost and space reductions for a
shipper. Ly-Pak(R) separator sheets are supplied to the glass and polyethylene
terephthalate bottle industry and are manufactured to meet industry
specifications for bulk palletizing. Ly-Pak(R) protective sheets are used as
pallet pads, protective top caps, and stabilizing sheets. These products are
custom-made from plies of virgin kraft linerboard and laminated with a special
moisture-resistant adhesive. The Company also sells a complete line of dunnage
products.
 
  Sales to materials-handling applications approximated 13 percent of 1997
total sales as compared with 13 percent and 15 percent of 1996 and 1995 total
sales, respectively. Total sales to this market decreased by
 
                                       2
<PAGE>
 
4 percent in 1997 as compared to 1996. Lower sales in 1997 were primarily as a
result of deflationary pressures through most of the year. Lydall's price
reductions in response to lower raw-material costs reduced sales dollars.
 
 Other Markets and Services
 
  Lydall maintains a transportation operation which brokers and/or hauls
freight for and between Lydall plants as well as for outside customers. In
addition, the Company manufactures paperboard products used in games and
packaging, specialty gasketing materials, and fiberboard shoe insole
materials. Lydall also produces a wood replacement material made from recycled
newsprint and cardboard which is currently being made into writing
instruments. Lydall's electrical insulation material, sold under the
SE/duroid(R), Sep-R-Max(R), and Voltex(R) trademarks are found in a broad
range of applications such as computers, consumer appliances, utility power
transformers, electric motors and other wiring devices. The Company's
electrical insulation products also include battery separator materials
primarily used in European automotive batteries. These products are
manufactured at the Company's European location. An acquisition made in
December 1996 added the manufacture of high-performance woven structural
components to the Company's products. These products are sold to the
aerospace, marine, medical device, automotive and sporting goods industries.
Sales of all other products and services approximated 28 percent of the
Company's sales in 1997, 25 percent and 27 percent in 1996 and 1995
respectively.
 
GENERAL BUSINESS INFORMATION
 
  Lydall operates 11 manufacturing and fabricating facilities in the United
States which are located in Rochester, New Hampshire; Green Island, New York;
Hoosick Falls, New York; Manchester, Connecticut; Richmond, Virginia;
Hamptonville, North Carolina; Rockwell, North Carolina; Columbus, Ohio;
Jacksonville, Florida, Covington, Tennessee and Fort Washington, Pennsylvania.
Lydall also has one manufacturing facility in Saint-Rivalain, France.
 
  Lydall holds a number of patents, trademarks, and licenses. While no single
patent, trademark or license by itself is critical to the success of Lydall,
together these intangible assets are of considerable value to the Company's
operations.
 
  The working capital requirements of the Company are financed primarily from
operations. No significant portion of Lydall's business is seasonal. Lydall
maintains levels of inventory and grants credit terms which are normal within
the industries it serves. The Company uses a wide range of raw materials in
the manufacturing of its products and was able to obtain the raw materials
needed during 1997 with the exception of shortages of raw materials utilized
at the Fort Washington location. The majority of raw materials used by Lydall
are available from a variety of suppliers who can be substituted if necessary.
 
  Twenty-six percent of Lydall's total sales in 1997 were to the automotive
market compared to thirty-two percent and thirty-three percent in 1996 and
1995 respectively. Lydall's automotive sales are sold to various customers
including parts suppliers, thermal insulation fabricators, air-bag
manufacturers and original equipment manufacturers for use in a variety of
models and applications. Sales to Ford Motor Company represented 18 percent of
Lydall's total sales in 1997, and no other single customer accounted for more
than 10 percent of total sales.
 
  Lydall invested $8.7 million in 1997, $6.8 million in 1996, and $6.2 million
in 1995, respectively, in activities to develop new products and special
manufacturing processes or to improve existing products. Most of Lydall's
investment in research and development is application specific; very little is
pure research. There were no significant customer-sponsored research and
development activities during the past three years.
 
  Lydall's backlog was $18.8 million at December 31, 1997, $25.1 million at
December 31, 1996, and $28.0 million at December 31, 1995. Lydall expects to
fill its backlog of 1997 orders during the first quarter of 1998.
 
                                       3
<PAGE>
 
Backlog at February 28, 1998 was $19.5 million. There are no seasonal aspects
to this backlog.
 
  No material portion of Lydall's business is subject to renegotiation of
profits or termination of contracts or subcontracts at the election of the
government.
 
  Lydall believes that its plants and equipment are in substantial compliance
with applicable federal, state and local provisions that have been enacted or
adopted regulating the discharge of materials into the environment, or
otherwise relating to the protection of the environment. Additional measures
to maintain compliance with presently enacted laws and regulations are not
expected to have a substantial adverse effect on the capital expenditures,
earnings and competitive position of the Company and its subsidiaries. For
information relating to certain environmental proceedings involving the
Company, please refer to Item 3 below.
 
  As of March 1, 1998, Lydall and its subsidiaries had 1,212 employees,
including foreign employees. Approximately 169 of the domestic employees are
represented by eight unions under contracts expiring between March 1998 and
November 2002. Lydall considers its employee relationships to be satisfactory,
and there have not been any actual or threatened work stoppages due to union-
related activities. All employees at the Company's facility in France are
covered under a National Collective Bargaining Agreement.
 
  Foreign and export sales were 20 percent of total sales in 1997, 21 percent
in 1996 and 22 percent in 1995. Export sales are concentrated primarily in
Europe, the Far East, Mexico, and Canada and were $34.9 million, $37.0
million, and $38.9 million in 1997, 1996 and 1995, respectively.
 
  Foreign sales were $14.3 million, $17.6 million, and $17.0 million for the
years ended December 31, 1997, 1996, and 1995, respectively. The French
operation incurred losses of $348 thousand, $796 thousand and $165 thousand
for the years ended December 31, 1997, 1996 and 1995, respectively. Total
foreign assets were $16.4 million and $18.5 million at December 31, 1997 and
1996, respectively.
 
  There are no anticipated operating risks related to foreign investment law,
expropriation, inflation effects or availability of material, labor and
energy. The Company's foreign and domestic operations limit currency and
foreign exchange transaction risks by completing transactions primarily in
their functional currencies.
 
ITEM 2. PROPERTIES
 
  The principal properties of the Company and its subsidiaries are situated at
the following locations and have the following characteristics:
 
<TABLE>
<CAPTION>
                                                             APPROXIMATE AREA
                                                            ------------------
                                                             LAND   BUILDINGS
     LOCATION                 GENERAL DESCRIPTION           (ACRES) (SQ. FEET)
     --------                 -------------------           ------- ----------
 <C>                 <S>                                    <C>     <C>
   1 Manchester,     Office Facilities....................    2.0     25,000
      Connecticut
   2 Manchester,     Paperboard Manufacturing.............   11.6     70,500
      Connecticut
   3 Covington,      Fiberboard and Fabricated Materials     
      Tennessee      Manufacturing........................   26.0    155,000
   4 Richmond,       Laminated Fiberboard Manufacturing...    5.0    104,000
      Virginia
   5 Rochester,      Specialty Nonwoven Manufacturing.....   18.0    143,000
      New Hampshire
   6 Hoosick Falls,  Fiberboard Composite Materials          
      New York       Manufacturing........................   11.0    129,000
   7 Hamptonville,   Specialty Nonwoven Materials and
      North Carolina Fabricated Materials Manufacturing...   35.2     85,000
</TABLE>
 
                                       4
<PAGE>
 
<TABLE>
<CAPTION>
                                                             APPROXIMATE AREA
                                                            ------------------
                                                             LAND   BUILDINGS
     LOCATION                       GENERAL DESCRIPTION     (ACRES) (SQ. FEET)
     --------                       -------------------     ------- ----------
 <S>                            <C>                         <C>     <C>
   8 Green Island,              Specialty Nonwoven
      New York                  Manufacturing &
                                Warehouse.................    5.4    275,000
   9 Manchester,                Corporate Office and          
      Connecticut               Computer Center...........    4.5     20,000
  10 Rockwell,                  Fabricating Facility......   11.5     51,000
      North Carolina
  11 Saint-Rivalain en Melrand, Specialty Nonwoven           
      France                    Manufacturing.............   14.3    156,000
  12 Columbus,                  Fabricating Facility......    9.0     80,000
      Ohio
  13 Jacksonville,              Laminated Fiberboard          
      Florida                   Manufacturing.............    --      52,000
  14 Fort Washington,           Specialty Woven Materials     
      Pennsylvania              Manufacturing.............    --      60,000
  15 Manchester,                Warehouse and Office         
      Connecticut               Facilities................   7.08     95,000
</TABLE>
 
  Properties numbered 4, 10, 12, 13 and 14, are being leased; all others are
owned. For information with respect to obligations for lease rentals and owned
property, see the Notes to the Consolidated Financial Statements of the
Company included in the 1997 Annual Report to Stockholders, which are
incorporated herein by reference. Lydall considers its properties to be
suitable and adequate for its present needs. The properties are being fully
utilized. In addition to the properties listed above, the Company has several
additional leases for sales offices and warehouses in the United States and
overseas.
 
ITEM 3. LEGAL PROCEEDINGS
 
  In the mid-1980's, the United States Environmental Protection Agency ("EPA")
notified a former subsidiary of the Company that it and other entities may be
potentially responsible in connection with the release of hazardous substances
at a landfill and property located adjacent to a landfill in Michigan City,
Indiana. The preliminary indication, based on the Site Steering Committee's
volumetric analysis, is that the alleged contribution to the waste volume at
the site of the plant once owned by a former subsidiary is approximately 0.434
percent of the total volume. The portion of the 0.434 percent specifically
attributable to the former subsidiary by the current operator of the plant is
approximately 0.286 percent. The EPA has completed its Record of Decision for
the site and has estimated the total cost of remediation to be between $17
million and $22 million. Based on the alleged volumetric contribution of its
former subsidiary to the site, and on the EPA's estimated remediation costs,
Lydall's alleged total exposure would be less than $100 thousand, which has
been accrued.
 
  There are over 800 potentially responsible parties ("prp") which have been
identified by the Site Steering Committee. Of these, 38, not including the
Company's former subsidiary, are estimated to have contributed over 80 percent
of the total waste volume at the site. These prp's include Fortune 500
companies, public utilities, and the State of Indiana. The Company believes
that, in general, these parties are financially solvent and should be able to
meet their obligations at the site. The Company has reviewed Dun & Bradstreet
reports on several of these prp's, and based on these financial reports, does
not believe Lydall will have any material additional volume attributed to it
for reparation of this site due to insolvency of other prp's.
 
  In June 1995, the Company and its former subsidiary were sued in the
Northern District of Indiana by the insurer of the current operator of the
former subsidiary's plant seeking contribution. In October 1997, the insurer
made a settlement demand of $150,591 to the Company in exchange for a release
of the Company's liability at the site and indemnification from the current
operator against site-related claims. The Company executed a settlement
agreement with the insurer and current operator for a full site release;
however, the current operator subsequently backed out of the agreement. The
Company is now evaluating its options.
 
                                       5

<PAGE>
 
  Management believes the ultimate disposition of this matter will not have a
material adverse effect upon the Company's consolidated financial position,
results of operations or cash flows.
 
  On March 19, 1996, patent litigation brought by ATD Corporation (ATD)
against Lydall in the U.S. District Court for the Eastern District of Michigan
was concluded with the jury finding in favor of Lydall and with all of ATD's
claims for damages being denied. A notice of appeal to the U.S. Court of
Appeals for the Federal Circuit regarding this litigation was filed by ATD on
March 28, 1997. The appeal issues were fully briefed and argued in January of
1998. No decision has been rendered. Management believes the ultimate
disposition of this matter will not have a material adverse effect upon the
Company's consolidated financial position, results of operations or cash
flows.
 
ITEM 4. SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS.
 
  There were no matters submitted to a vote of security holders during the
fourth quarter of 1997.
 
EXECUTIVE OFFICERS AND OTHER SIGNIFICANT EMPLOYEES OF THE REGISTRANT:
 
  The name, age, current position, and other business experience since January
1, 1993 of each executive officer of the Company are listed on the following
page. Leonard R. Jaskol, John E. Hanley, Carole F. Butenas, and Mary A.
Tremblay are elected annually at the organizational meeting of the Board of
Directors. All others are appointed by the President and Chief Executive
Officer for an indefinite period. There are no family relationships among
executive officers or other significant employees.
 
<TABLE>
<CAPTION>
                                                                    OTHER BUSINESS
NAME                   AGE               TITLE                  EXPERIENCE SINCE 1993
- ----                   ---               -----                  ---------------------
<S>                    <C> <C>                                <C>
Leonard R. Jaskol      61  Chairman of the Board (since       N/A
                           1991) President and Chief
                           Executive Officer (since 1988)
John E. Hanley         41  Vice President--Finance and        N/A
                           Treasurer (since 1992)
Carole F. Butenas      55  Vice-President--Investor           N/A
                           Relations (since 1991) Director
                           (1995)
Mary A. Tremblay       37  General Counsel and Secretary      N/A
                           (since 1991)
Raymond J. Lanzi       59  Division President (since 1979)    N/A
                           Director (1993)
Elliott F. Whitely(1)  54  Division President (since 1987)    N/A
                           Director (1993, 1996, 1997)
James P. Carolan       55  Division President (since 1983)    N/A
                           Director (1994, 1996, 1997)
William J. Rankin      44  Division President (since 1992)    N/A
                           Director (1995)
Christopher R.         44  Division President (since 1990)    N/A
 Skomorowski               Director (1994)
John J. Worthington    49  Division President (since 1996)    General Manager,
                                                              W. R. Grace and
                                                              Specialty Paperboard, Inc.
Bill W. Franks, Jr.    39  Division President (since 1997)    Vice President and
                                                              General Manager,
                                                              Lydall Logistics
                                                              Management Division
</TABLE>
 
- --------
(1) Mr. Whitely resigned from his position as Division President, effective
December 31, 1997.
 
                                       6
<PAGE>
 
                                    PART II
 
ITEM 5. MARKET FOR REGISTRANT'S COMMON EQUITY AND RELATED STOCKHOLDER MATTERS.
 
  Information regarding the common stock of the Company and recent market
prices of such stock, the cash dividend policy, and the approximate number of
holders of common stock, is incorporated herein by reference to pages 28, 37,
45 and 46 of the 1997 Annual Report to Stockholders.
 
ITEM 6. SELECTED FINANCIAL DATA.
 
  Information regarding selected financial data of the Company is incorporated
herein by reference to page 45 of the 1997 Annual Report to Stockholders.
 
ITEM 7. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND
        RESULTS OF OPERATIONS.
 
  Management's discussion and analysis of financial condition and results of
operations is incorporated herein by reference to the President's Letter, the
Analysis of Results and Key Financial Items on pages 2 through 6 and 19
through 27 of the 1997 Annual Report to Stockholders.
 
ITEM 7A. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK.
 
  Not yet applicable.
 
ITEM 8. FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA.
 
  The consolidated financial statements of Lydall, Inc. and its subsidiaries
and the supplementary quarterly financial information are incorporated by
reference to pages 29 through 43 of the 1997 Annual Report to Stockholders.
 
ITEM 9. CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND
        FINANCIAL DISCLOSURE.
 
  There have been no disagreements with the Company's independent public
accountants on accounting and financial disclosure.
 
                                   PART III
 
ITEM 10. DIRECTORS AND EXECUTIVE OFFICERS OF THE REGISTRANT.
 
  Information regarding the directors of Lydall and disclosure of late filings
required by Section 16 of the Exchange Act are incorporated by reference to
the definitive Proxy Statement of Lydall to be filed with the Commission
relating to its Annual Meeting of Stockholders to be held on May 13, 1998.
Information regarding the executive officers and other significant employees
of the Company is contained on page 6 of this report.
 
ITEM 11. EXECUTIVE COMPENSATION.
 
  Information regarding the compensation of Lydall's directors and executive
officers is incorporated by reference to the definitive Proxy Statement of
Lydall to be filed with the Commission relating to its Annual Meeting of
Stockholders to be held on May 13, 1998, including the Compensation and Stock
Option Committee Report to Stockholders found on pages 8 through 18, and the
comparative performance graph located on page 19, therein.
 
                                       7
<PAGE>
 
ITEM 12. SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT.
 
  Information regarding beneficial ownership of the common stock by certain
beneficial owners and by management of the Company is incorporated by
reference to the definitive Proxy Statement of Lydall to be filed with the
Commission relating to its Annual Meeting of Stockholders to be held on May
13, 1998.
 
ITEM 13.CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS.
 
  Information regarding certain relationships and related transactions with
management is incorporated by reference to the definitive Proxy Statement of
Lydall to be filed with the Commission relating to its Annual Meeting of
Stockholders to be held on May 13, 1998.
 
                                    PART IV
 
ITEM 14.EHIBITS, FINANCIAL STATEMENT SCHEDULES, AND REPORTS ON FORM 8-K.
 
  a) 1) The following consolidated financial statements of Lydall, Inc. and
its subsidiaries are found in and are incorporated by reference to the Annual
Report to Stockholders for the year ended December 31, 1997:
 
<TABLE>
<CAPTION>
                                                                         ANNUAL
                                                                         REPORT
                                                                         PAGES
                                                                         ------
<S>                                                                      <C>
Consolidated Income Statements--Years ended December 31, 1997, 1996,
 and 1995..............................................................     29
Consolidated Balance Sheets--December 31, 1997 and 1996................  30-31
Consolidated Statements of Cash Flows--Years ended December 31, 1997,
 1996, and 1995........................................................     32
Consolidated Statements of Changes in Stockholders' Equity--Years ended
 December 31, 1997, 1996, and 1995.....................................     33
Notes to Consolidated Financial Statements.............................  34-43
Report of Independent Accountants......................................     44
</TABLE>
 
  a) 2) Financial Statement Schedule:
 
<TABLE>
<CAPTION>
                                                                    10-K PAGES
                                                                    ----------
<S>                                                                 <C>
Report of Independent Accountants..................................     12
Consent of Independent Accountants.................................     13
Schedule II--Valuation and Qualifying Accounts-- Years ended
 December 31, 1997, 1996, and 1995.................................     14
</TABLE>
 
  All other schedules for which provision is made in the applicable accounting
regulations of the Securities and Exchange Commission are not required under
the related instructions, are inapplicable, or are presented in the notes to
the consolidated financial statements, and therefore have been omitted.
 
  With the exception of the consolidated financial statements and the
accountants' report thereon listed in the above index, the information
referred to in Items 2, 5, 6 and 7 and the supplementary quarterly financial
information referred to in Item 8, all of which is included in the 1997 Annual
Report to Stockholders of the Company and incorporated by reference into this
Form 10-K Annual Report, the 1997 Annual Report to Stockholders is not to be
deemed "filed" as part of this report.
 
  a) 3) Exhibits included herein:
 
3.1   Amended and Restated Certificate of Incorporation of the registrant
      dated August 14, 1995, (filed as Exhibit 4.1 to the registrants
      Quarterly Report on Form 10-Q dated November 9, 1995 and incorporated
      herein by this reference).
 
3.2   Bylaws of the registrant (filed as Exhibit 3.2 to the registrant's
      Registration Statement on Form 8-B dated October 16, 1987, and
      incorporated herein by this reference).
 
                                       8
<PAGE>
 
4.1     Certain long-term debt instruments, each representing indebtedness in an
        amount equal to less than 10 percent of the registrant's total
        consolidated assets, have not been filed as exhibits to this Annual
        Report on Form 10-K. The registrant hereby undertakes to file these
        instruments with the Commission upon request.
 
10.1*   Lydall, Inc. 1978 Long-Term Incentive Compensation Plan (filed as
        Exhibit 4.4 to the registrant's Registration Statement on Form S-8 dated
        March 18, 1988 (Reg. No. 33-20777), and incorporated herein by this
        reference).
 
10.2*   Amended and restated, Lydall, Inc. 1982 Stock Incentive Compensation
        Plan, amended through May 14, 1991 (filed as Exhibit 10.6 to the
        registrant's Annual Report on Form 10-K dated March 26, 1992 and
        incorporated herein by this reference).
 
10.3*   Amended and restated, 1992 Stock Incentive Compensation Plan, dated May
        14, 1992, amended through May 11, 1994, (filed as exhibit 10.3 to the
        registrant's Annual Report on Form 10-K dated March 27, 1995, and
        incorporated herein by this reference.)
 
10.4*   Lydall, Inc. Senior Management Annual Incentive Compensation Plan (filed
        as Exhibit 3.5 to the registrant's Registration Statement on Form 8-B
        dated October 16, 1987, and incorporated herein by this reference).
 
10.5*   Lydall, Inc. Management Annual Incentive Compensation Plan (filed as
        Exhibit 3.6 to the registrant's Registration Statement on Form 8-B dated
        October 16, 1987, and incorporated herein by this reference).
 
10.6*   Employment Agreement with Leonard R. Jaskol dated March 1, 1995, (filed
        as exhibit 10.6 to the registrant's Annual Report on Form 10-K dated
        March 27, 1995, and incorporated herein by this reference.)
 
10.7*   Employment Agreement with John E. Hanley dated March 10, 1995, (filed as
        Exhibit 10.1 to the registrant's Quarterly Report on Form 10-Q dated May
        9, 1995 and incorporated herein by this reference).
 
10.8*   Employment Agreement with James P. Carolan dated March 10, 1995 (filed
        as Exhibit 10.2 to the registrant's Quarterly report on Form 10-Q dated
        May 9, 1995 and incorporated herein by this reference).
 
10.9*   Employment Agreement with Elliott F. Whitely dated March 10, 1995 (filed
        as Exhibit 10.3 to the registrant's Quarterly report on Form 10-Q dated
        May 9, 1995 and incorporated herein by this reference).
 
10.10*  Employment Agreement with Raymond J. Lanzi dated March 10, 1995 (filed
        as Exhibit 10.5 to the registrant's Quarterly report on Form 10-Q dated
        May 9, 1995 and incorporated herein by this reference).
 
10.11*  Employment Agreement with Christopher R. Skomorowski dated March 10,
        1995 (filed as Exhibit 10.6 to the registrant's Quarterly report on
        Form 10-Q dated May 9, 1995 and incorporated herein by this reference).
 
10.12*  Employment Agreement with William J. Rankin, dated March 10, 1995
        (filed as Exhibit 10.7 to the registrant's Quarterly report on Form 10-
        Q dated May 9, 1995 and incorporated herein by this reference).
 
10.13*  Employment Agreement with Carole F. Butenas dated March 10, 1995 (filed
        as Exhibit 10.8 to the registrant's Quarterly report on Form 10-Q dated
        May 9, 1995 and incorporated herein by this reference).
 
10.14*  Employment Agreement with Mona G. Estey dated March 10, 1995 (filed as
        Exhibit 10.9 to the registrant's Quarterly report on Form 10-Q dated
        May 9, 1995 and incorporated herein by this reference).
 
                                       9

<PAGE>
 
10.15* Employment Agreement with Mary A. Tremblay dated March 10, 1995 (filed
       as Exhibit 10.10 to the registrant's Quarterly report on Form 10-Q
       dated May 9, 1995 and incorporated herein by this reference).
 
10.16* Employment Agreement with John J. Worthington dated November 7, 1996,
       (filed as Exhibit 10.17 to the registrants Annual Report on Form 10-K
       dated March 27, 1997 and incorporated herein by this reference).
 
10.17* Lydall, Inc. Board of Directors Deferred Compensation Plan effective
       January 1, 1991, (filed as Exhibit 10.17 to the registrant's Annual
       Report on Form 10-K dated March 26, 1991 and incorporated herein by
       this reference).
 
10.18* Lydall, Inc. Supplemental Executive Retirement Plan effective January
       1, 1994, (filed as Exhibit 10.20 to the Registrant's Annual Report on
       Form 10-K dated March 27, 1996 and incorporated herein by this
       reference).
 
10.19  Asset Purchase Agreement between Lydall New York, Inc. and Textile
       Technologies Industries, Inc. (filed as Exhibit 10.22 to the Registrant's
       Annual Report on Form 10-K dated March 27, 1997 and incorporated herein
       by this reference).
 
10.20  Asset Purchase Agreement between Chartermed Inc. and Charter Medical
       Ltd. filed herewith. The registrant shall furnish copies of exhibits to
       the Asset Purchase Agreement upon the request of the Commission.
      
13.1   Annual Report to Stockholders for the year ended December 31, 1997,
       filed herewith.
      
21.1   List of subsidiaries of the registrant, filed herewith.
 
23.1   Consent of Coopers and Lybrand, L.L.P., filed herewith.
      
24.1   Power of Attorney, dated March 13, 1998, authorizing Leonard R. Jaskol
       and/or John E. Hanley to sign this report on behalf of each member of
       the Board of Directors indicated therein, filed herewith.
      
27.1   Financial Data Schedule for the year ended December 31, 1997, filed
       herewith.
 
27.2   Restated Financial Data Schedule originally filed as Exhibit 27.1 to the
       registrant's Quarterly report on Form 10-Q dated November 7, 1997, filed
       herewith.
      
27.3   Restated Financial Data Schedule originally filed as Exhibit 27.1 to the
       registrant's Quarterly report on Form 10-Q dated August 7, 1997, filed
       herewith.
      
27.4   Restated Financial Data Schedule originally filed as Exhibit 27.1 to the
       registrant's Quarterly report on Form 10-Q dated May 8, 1997, filed
       herewith.
      
27.5   Restated Financial Data Schedule originally filed as Exhibit 27.1 to the
       registrant's Quarterly report on Form 10-Q dated March 17, 1997, filed
       herewith.
      
27.6   Restated Financial Data Schedule originally filed as Exhibit 27.1 to the
       registrant's Quarterly report on Form 10-Q dated November 7, 1996, filed
       herewith.
      
27.7   Restated Financial Data Schedule originally filed as Exhibit 27.1 to the
       registrant's Quarterly report on Form 10-Q dated August 7, 1996, filed
       herewith.
      
27.8   Restated Financial Data Schedule originally filed as Exhibit 27.1 to the
       registrant's Quarterly report on Form 10-Q dated May 8, 1996, filed
       herewith.
      
27.9   Restated Financial Data Schedule originally filed as Exhibit 27.1 to the
       registrant's Quarterly report on Form 10-Q dated March 18, 1996, filed
       herewith.
- --------
*Management contract or compensatory plan.
 
  b) Reports on Form 8-K:
     No reports on Form 8-K were filed during the fourth quarter, 1997.
 
 
                                      10
<PAGE>
 
                                  SIGNATURES
 
  PURSUANT TO THE REQUIREMENTS OF SECTION 13 OR 15(D) OF THE SECURITIES
EXCHANGE ACT OF 1934, LYDALL, INC. HAS DULY CAUSED THIS REPORT TO BE SIGNED ON
ITS BEHALF BY THE UNDERSIGNED, THEREUNTO DULY AUTHORIZED.
 
                                          Lydall, Inc.
 
                                             
Date: March 25, 1998                      By         Leonard R. Jaskol
                                             ----------------------------------
                                              LEONARD R. JASKOL CHAIRMAN AND
                                                  CHIEF EXECUTIVE OFFICER
 
  PURSUANT TO THE REQUIREMENTS OF THE SECURITIES EXCHANGE ACT OF 1934, THIS
REPORT HAS BEEN SIGNED BY THE FOLLOWING PERSONS ON BEHALF OF LYDALL, INC. IN
THE CAPACITIES AND ON THE DATES INDICATED.
 
              SIGNATURE                        TITLE                 DATE
 
          Leonard R. Jaskol            Chairman, Chief          March 25, 1998
- -------------------------------------   Executive Officer
          LEONARD R. JASKOL             and Director
 
           John E. Hanley              Vice President--Finance  March 25, 1998
- -------------------------------------   and Treasurer
           JOHN E. HANLEY               (Principal Financial
                                        and Accounting Officer)
 
           John E. Hanley
- -------------------------------------
           JOHN E. HANLEY
        ATTORNEY-IN-FACT FOR:
 
            Lee A. Asseo               Director*                March 25, 1998
- -------------------------------------
            LEE A. ASSEO
 
         Paul S. Buddenhagen           Director*                March 25, 1998
- -------------------------------------
         PAUL S. BUDDENHAGEN
 
          James P. Carolan             Director*                March 25, 1998
- -------------------------------------
          JAMES P. CAROLAN
 
          Samuel P. Cooley             Director*                March 25, 1998
- -------------------------------------
          SAMUEL P. COOLEY
 
           W. Leslie Duffy             Director*                March 25, 1998
- -------------------------------------
           W. LESLIE DUFFY
 
          William P. Lyons             Director*                March 25, 1998
- -------------------------------------
          WILLIAM P. LYONS
 
           Joel Schiavone              Director*                March 25, 1998
- -------------------------------------
           JOEL SCHIAVONE
 
         Elliott F. Whitely            Director*                March 25, 1998
- -------------------------------------
         ELLIOTT F. WHITELY
 
          Roger M. Widmann             Director*                March 25, 1998
- -------------------------------------
          ROGER M. WIDMANN
 
           Albert E. Wolf              Director*                March 25, 1998
- -------------------------------------
           ALBERT E. WOLF
 
* (constituting in excess of a majority of the full Board of Directors)
 
                                      11

<PAGE>
 
                       REPORT OF INDEPENDENT ACCOUNTANTS
 
To the Board of Directors and Stockholders of Lydall, Inc.:
 
  Our report on the consolidated financial statements of Lydall, Inc. and
Subsidiaries has been incorporated by reference in this Form 10-K from page 44
of the 1997 Annual Report to Stockholders of Lydall, Inc. In connection with
our audits of such financial statements, we have also audited the related
financial statement schedule listed in the index on page 8 of this Form 10-K.
 
  In our opinion, the financial statement schedule referred to above, when
considered in relation to the basic financial statements taken as a whole,
presents fairly, in all material respects, the information required to be
included therein.
 
                                          Coopers & Lybrand L.L.P.
 
Hartford, Connecticut
February 18, 1998.
 
                                      12
<PAGE>
 
                                                                     SCHEDULE II
 
                         LYDALL, INC. AND SUBSIDIARIES
 
                       VALUATION AND QUALIFYING ACCOUNTS
 
             FOR THE YEARS ENDED DECEMBER 31, 1997, 1996, AND 1995
 
<TABLE>
<CAPTION>

$ THOUSANDS                                ADDITIONS
- -----------                          ---------------------
                                                CHARGED TO
                                     CHARGED TO   OTHER
                          BALANCE AT COSTS AND  ACCOUNTS--   DEDUCTIONS--   BALANCE AT
      DESCRIPTION         JANUARY 1   EXPENSES   DESCRIBE      DESCRIBE     DECEMBER 31
      -----------         ---------- ---------- ----------   ------------   -----------
<S>                       <C>        <C>        <C>          <C>            <C>
1997
Allowance for doubtful
 receivables............    $1,727     $  258     $ --         $  (604)(1)    $1,381
Accumulated amortization
 of intangible assets...     7,741        450       --            (665)(3)     7,526
Accrued reorganization..        28        --        --             (28)(7)       --
Accrued environmental...       998         20      (128)(4)       (506)(8)       384
Accumulated amortization
 of goodwill............     1,688      1,119       --             --          2,807
LIFO reserve............     1,740        --        --            (568)(5)     1,172
Inventory obsolescence
 reserve................       519        254       (13)(4)       (183)(6)       577
1996
Allowance for doubtful
 receivables............    $1,938     $  235     $ --         $  (446)(1)    $1,727
Accumulated amortization
 of intangible assets...     8,446        772       --          (1,477)(3)     7,741
Accrued reorganization..       137        --        --            (109)(2)        28
Accrued environmental...     1,072        --        (62)(4)        (12)(2)       998
Accumulated amortization
 of goodwill............     1,103        585       --             --          1,688
LIFO reserve............     2,493        316       --          (1,069)(5)     1,740
Inventory obsolescence
 reserve................       612        453        (6)(4)       (540)(6)       519
1995
Allowance for doubtful
 receivables............    $1,724     $  565     $ --         $  (351)(1)    $1,938
Accumulated amortization
 of intangible assets...     7,524        923       --              (1)(4)     8,446
Accrued reorganization..       157          4       --             (24)(2)       137
Accrued environmental...     1,002        --         83 (4)        (13)(2)     1,072
Accumulated amortization
 of goodwill............       516        587       --             --          1,103
LIFO reserve............     1,659      1,152       --            (318)(5)     2,493
Inventory obsolescence
 reserve................       786        804       --            (978)(6)       612
</TABLE>
 
Notes(1):Uncollected receivables written off and adjustments to allowance.
     (2): Disbursements of amounts previously accrued.
     (3): Write off of fully amortized asset.
     (4): Record foreign currency translation adjustments.
     (5): Adjustment of LIFO reserve for inventory levels.
     (6): Write off of obsolete inventory and adjustment to reserve level.
     (7): Adjustment to reserve level.
     (8): Disbursements of amounts previously accrued and adjustments to
          reserve level.
 
                                       14
<PAGE>
 
                                                                    SCHEDULE X
                               INDEX TO EXHIBITS
                               -----------------
                                                                    Page in
Exhibit                                                           Sequentially
Number   Description of Document                                  Numbered Copy
- -------  -----------------------                                  -------------
       
       
 3.1     Amended and Restated Certificate of Incorporation of the
         registrant dated August 14, 1995, (filed as Exhibit 4.1
         to the registrants Quarterly Report on Form 10-Q dated
         November 9, 1995 and incorporated herein by this
         reference).
         
 3.2     Bylaws of the registrant (filed as Exhibit 3.2 to the
         registrant's Registration Statement on Form 8-B dated
         October 16, 1987, and incorporated herein by this
         reference).
         
 4.1     Certain long-term debt instruments, each representing
         indebtedness in an amount equal to less than 10 percent
         of the registrant's total consolidated assets, have not
         been filed as exhibits to this Annual Report on Form 10-
         K. The registrant hereby undertakes to file these
         instruments with the Commission upon request.
         
 10.1    Lydall, Inc. 1978 Long-Term Incentive Compensation Plan
         (filed as Exhibit 4.4 to the registrant's Registration
         Statement on Form S-8 dated March 18, 1988 (Reg. No.33-
         20777), and incorporated herein by this reference).
                  
 10.2    Amended and restated, Lydall, Inc. 1982 Stock Incentive
         Compensation Plan, amended through May 14, 1991,(filed
         as Exhibit 10.6 to the registrant's Annual Report on
         Form 10-K dated March 26, 1992 amended through May 14,
         1991, by this reference).
         
 10.3    Amended and restated 1992 Stock Incentive Compensation
         Plan, dated May 14, 1992 amended through May 11, 1994,
         (filed as exhibit 10.3 to the registrant's Annual Report
         on Form 10-K dated March 27, 1995, and incorporated
         herein by this reference).
         
 10.4    Lydall, Inc. Senior Management Annual Incentive
         Compensation Plan (filed as Exhibit 3.5 to the
         registrant's Registration Statement on Form 8-B dated
         October 16, 1987, and incorporated herein by this
         reference).
         
 10.5    Lydall, Inc. Management Annual Incentive Compensation
         Plan (filed as Exhibit 3.6 to the registrant's
         Registration Statement on Form 8-B dated October 16,
         1987, and incorporated herein by this reference).

                                       1
<PAGE>
 
                         INDEX TO EXHIBITS (Continued)
                         -----------------------------

                                                                Page in
Exhibit                                                       Sequentially
Number   Description of Document                              Numbered Copy
- -------  -----------------------                              -------------
       
10.6     Employment Agreement with Leonard R. Jaskol dated March
         1, 1995 filed as exhibit 10.6 to the registrant's Annual
         Report on Form 10-K dated March 27, 1995, and
         incorporated herein by this reference).

10.7     Employment Agreement with John E. Hanley dated March 10,
         1995, (filed as Exhibit 10.1 to the registrant's
         Quarterly Report on Form 10-Q dated May 9, 1995 and
         incorporated herein by this reference).
         
10.8     Employment Agreement with James P. Carolan dated March
         10, 1995 (filed as Exhibit 10.2 to the registrant's
         Quarterly report on Form 10-Q dated May 9, 1995 and
         incorporated herein by this reference).
         
10.9     Employment Agreement with Elliott F. Whitely dated March
         10, 1995 (filed as Exhibit 10.3 to the registrant's
         Quarterly report on Form 10-Q dated May 9, 1995 and
         incorporated herein by this reference).
         
10.10    Employment Agreement with Raymond J. Lanzi dated March
         10, 1995 (filed as Exhibit 10.5 to the registrant's
         Quarterly report on Form 10-Q dated May 9, 1995 and
         incorporated herein by this reference).
         
10.11    Employment Agreement with Christopher R. Skomorowski
         dated March 10, 1995 (filed as Exhibit 10.6 to the
         registrant's Quarterly report on Form 10-Q dated May 9,
         1995 and incorporated herein by this reference).
         
10.12    Employment Agreement with William J. Rankin dated March
         10, 1995 (filed as Exhibit 10.7 to the registrant's
         Quarterly report on Form 10-Q dated May 9, 1995 and
         incorporated herein by this reference).
         
10.13    Employment Agreement with Carole F. Butenas dated March
         10, 1995 (filed as Exhibit 10.8 to the registrant's
         Quarterly report on Form 10-Q dated May 9, 1995 and
         incorporated herein by this reference).

                                       2
<PAGE>
 
                         INDEX TO EXHIBITS (Continued)
                         -----------------------------

                                                            Page in
Exhibit                                                      Sequentially
Number  Description of Document                              Numbered Copy
- ------- -----------------------                              -------------

10.14    Employment Agreement with Mona G. Estey dated March 10,
         1995 (filed as Exhibit 10.9 to the registrant's
         Quarterly report on Form 10-Q dated May 9, 1995 and
         incorporated herein by this reference).
         
10.15    Employment Agreement with Mary A. Tremblay dated March
         10, 1995 (filed as Exhibit 10.10 to the registrant's
         Quarterly report on Form 10-Q dated May 9, 1995 and
         incorporated herein by this reference).
         
10.16    Employment Agreement with John J. Worthington dated
         November 7, 1996, (filed as Exhibit 10.17 to the
         registrant's Annual Report on Form 10-K dated March 27,
         1997 and incorporated herein by this reference).
         
10.17    Lydall, Inc. Board of Directors Deferred Compensation
         Plan effective January 1, 1991,(filed as Exhibit 10.17
         to the registrant's Annual Report on Form 10-K dated
         March 26, 1991 and incorporated herein by this
         reference).
         
10.18    Lydall, Inc. Supplemental Executive Retirement Plan
         effective January 1, 1994, (filed as Exhibit 10.20 to
         the Registrant's Annual Report on Form 10-K dated March
         27, 1996 and incorporated herein by this reference).
         
10.19    Asset Purchase Agreement between Lydall New York, Inc.
         and Textile Technology Industries, Inc. filed as Exhibit
         10.22 to the Registrant's Annual Report on Form 10-K
         dated March 27, 1997 and incorporated herein by this
         reference).
         
10.20    Asset Purchase Agreement between Chartermed Inc. and
         Charter Medical Ltd. filed herewith. The registrant
         shall furnish copies of exhibits to the Asset Purchase
         Agreement upon request of the Commission.
         
13.1     Annual Report to Stockholders for the year ended
         December 31, 1997, filed herewith.
         
21.1     List of subsidiaries of the registrant, filed herewith.
         
23.1     Consent of Coopers and Lybrand, L.L.P., filed
         herewith.

                                       3
<PAGE>
 
                         INDEX TO EXHIBITS (Continued)
                         -----------------------------
  
                                                                  Page in
Exhibit                                                         Sequentially
Number   Description of Document                                Numbered Copy
- -------  -----------------------                                -------------

24.1     Power of Attorney, dated March 13, 1998, authorizing 
         Leonard R. Jaskol and/or John E. Hanley to sign this 
         report on behalf of each member of the Board of 
         Directors indicated therein, filed herewith.
      
27.1     Financial Data Schedule for the year ended 
         December 31, 1997, filed herewith.
      
27.2     Restated Financial Data Schedule originally filed as 
         Exhibit 27.1 to the registrant's Quarterly report on 
         Form 10-Q dated November 7, 1997, filed herewith.
      
27.3     Restated Financial Data Schedule originally filed as 
         Exhibit 27.1 to the registrant's Quarterly report on 
         Form 10-Q dated August 7, 1997, filed herewith.
      
27.4     Restated Financial Data Schedule originally filed as 
         Exhibit 27.1 to the registrant's Quarterly report on 
         Form 10-Q dated May 8, 1997, filed herewith.
      
27.5     Restated Financial Data Schedule originally filed as 
         Exhibit 27.1 to the registrant's Quarterly report on 
         Form 10-Q dated March 17, 1997, filed herewith.
      
27.6     Restated Financial Data Schedule originally filed as 
         Exhibit 27.1 to the registrant's Quarterly report on 
         Form 10-Q dated November 7, 1996, filed herewith.
      
27.7     Restated Financial Data Schedule originally filed as 
         Exhibit 27.1 to the registrant's Quarterly report on 
         Form 10-Q dated August 7, 1996, filed herewith.
      
27.8     Restated Financial Data Schedule originally filed as 
         Exhibit 27.1 to the registrant's Quarterly report on 
         Form 10-Q dated May 8, 1996, filed herewith.
      
27.9     Restated Financial Data Schedule originally filed as 
         Exhibit 27.1 to the registrant's Quarterly report on 
         Form 10-Q dated March 18, 1996, filed herewith.
 

                                       4

<PAGE>
 
       ................................................................


                            ASSET PURCHASE AGREEMENT


                                 By and Between



                                CharterMed Inc.

                                      and

                             Charter Medical, Ltd.



                          Dated as of February 6, 1998

       ................................................................
<PAGE>
 
                               TABLE OF CONTENTS
                               -----------------

<TABLE>
<CAPTION>
 
<S>  <C>                                                     <C>
1.   PURCHASE AND SALE OF ASSETS...........................   1
 
     1.01   Lease of Real Property.........................   2
     1.02   Equipment and Personalty.......................   2
     1.03   Contract Rights and Leases.....................   3
     1.04   Prepaid Expenses and Deferred Costs............   3
     1.05   Inventory......................................   3
     1.06   Accounts Receivable............................   4
     1.07   Records........................................   4
     1.08   Goodwill.......................................   4
     1.09   Intangible Property............................   4
     1.10   Customer and Supplier List.....................   5
     1.11   CharterMed Names...............................   5
     1.12   Insurance Policies.............................   5
     1.13   Website........................................   5
 
2.   ASSETS TO BE RETAINED BY CHARTERMED...................   5
 
     2.01   Cash...........................................   5
     2.02   Certain Records................................   5
     2.03   Employee Pension and Benefit Plans.............   6
     2.04   Tax Credits and Refunds........................   6
     2.05   Corporate Records..............................   6
 
3.   LIMITED ASSUMPTION OF LIABILITIES BY CML..............   6
 
     3.01   Obligations Under Contracts and Leases.........   6
     3.02   Trade Payables.................................   6
     3.03   Product Warranty and Return Obligations........   7
     3.04   Personal Property Taxes........................   7
     3.05   Post-Closing Responsibilities..................   7
     3.06   Liabilities Not Assumed........................   8
     3.07   No Expansion of Third Party Rights.............   8
 
4.   CLOSING; PURCHASE PRICE AND PAYMENT...................   8
 
     4.01   Closing Date, Place and Time...................   8
     4.02   Purchase Price and Method of Payment...........   9
     4.03   Allocation of Purchase Price...................   9
     4.04   Risk of Loss...................................   9
     4.05   Net Asset and Liability Adjustment.............  10
 
5.   EMPLOYEES; EMPLOYEE PENSION AND WELFARE PLANS.........  13
 
     5.01   Employment; Medical Benefits...................  13
     5.02   Employee Pension Plans and Benefits............  13
     5.03   Other Employee Pension Plans and Benefits......  13
     5.04   Employee Welfare Plans, Worker's...............
</TABLE> 
<PAGE>
 
<TABLE> 
<S>    <C>                                                   <C> 
            Compensation...................................  14
 
6.   INSTRUMENTS OF CONVEYANCE AND ASSUMPTION..............  14
 
     6.01   Conveyance Documents...........................  15
 
7.   REPRESENTATIONS AND WARRANTIES OF CHARTERMED..........  15
 
     7.01   Completeness of Disclosure.....................  15
     7.02   Organization and Good Standing of
            CharterMed.....................................  16
     7.03   Title to and Condition of the Assets...........  16
     7.04   Contracts of CharterMed........................  17
     7.05   CharterMed's Authority and No Conflict.........  17
     7.06   Brokers........................................  18
     7.07   Financial Statements...........................  18
     7.08   Taxes..........................................  19
     7.09   Litigation or Claims...........................  19
     7.10   Compliance with Law............................  20
     7.11   Absence of Certain Changes or Events...........  20
     7.12   Environmental Matters..........................  22
     7.13   No Change in Business Relationships............  27
     7.14   Employment Agreements..........................  27
     7.15   Patents, Trademarks, Trade Names
            and Copyrights.................................  29
     7.16   Processes and Know-how.........................  30
     7.17   Utilities......................................  30
     7.18   Licenses and Permits...........................  30
     7.19   Absence of Undisclosed Liabilities.............  31
     7.20   Inventory......................................  31
     7.21   Accounts and Notes Receivable..................  33
     7.22   Solvency.......................................  33
     7.23   Subsidiaries...................................  34
     7.24   ERISA and COBRA Compliance.....................  34
     7.25   Product Liability..............................  35
     7.26   Corrupt Practices..............................  36
     7.27   Adequate Assets................................  37
     7.28   Condition of Equipment and Personalty..........  37
 
8.   REPRESENTATIONS AND WARRANTIES OF CML.................  38
 
     8.01   Completeness of Disclosure.....................  38
     8.02   Organization and Good Standing.................  38
     8.03   Authority of CML...............................  38
     8.04   Brokers........................................  39
     8.05   Financing......................................  39
 
9.   CML'S CONDITIONS PRECEDENT TO CLOSING.................  39
 
     9.01   Representations and Warranties.................  40
     9.02   Consent of Landlord to Assumption
            of Lease.......................................  40
     9.03   Execution of Covenants Not to Compete..........  40
     9.04   Hart-Scott-Rodino Filings......................  40
</TABLE> 
<PAGE>
 
<TABLE> 
<S> <C>                                                      <C> 
     9.05   Employment Agreement of Peter Hussey...........  41
     9.06   Purchase of Insurance Policy...................  41
 
10.  CHARTERMED'S CONDITIONS PRECEDENT TO CLOSING..........  41
 
     10.01  Representations and Warranties.................  41
     10.02  Consent of Landlord to Assumption
            of Lease.......................................  41
     10.03  Indemnification Note and Guaranty..............  42
 
11.  COVENANTS.............................................  42
 
     11.01  Transition Period..............................  42
     11.02  Collection of Receivables......................  43
     11.03  Preservation of Records........................  45
     11.04  Confidentiality................................  45
     11.05  Further Assurances.............................  45
     11.06  Product Warranty Costs.........................  45
     11.07  Use of Name....................................  46
     11.08  Board Membership...............................  47
     11.09  Insurance Policy...............................  47
     11.10  Corporate Existence............................  47
 
12.  INDEMNIFICATION BY CHARTERMED.........................  48
 
     12.01  Indemnification Note...........................  48
     12.02  Indemnification Obligation.....................  49
 
13.  INDEMNIFICATION BY CML................................  50
 
14.  LIMITATIONS ON INDEMNIFICATION........................  51
 
     14.01  Limitation on Amount...........................  51
     14.02  Survival of Representations and
            Warranties.....................................  51
     14.03  Defense of Claims..............................  51
 
15.  MISCELLANEOUS.........................................  52
 
     15.01  Bulk Transfer Compliance.......................  52
     15.02  Successors and Assigns.........................  53
     15.03  Governing Law..................................  53
     15.04  Notices........................................  53
     15.05  Payment of Expenses............................  54
     15.06  Entire Agreement; Amendment....................  54
     15.07  Counterparts...................................  55
     15.08  Headings.......................................  55
     15.09  Waiver.........................................  55
     15.10  Separability...................................  55
 </TABLE>
<PAGE>
 
                            ASSET PURCHASE AGREEMENT
                            ------------------------

     This Asset Purchase Agreement (the "Agreement") is made and entered into
this 6th day of February, 1998 by and between Charter Medical, Ltd., a Delaware
corporation having a principal office in Winston-Salem, NC ("CML")and CharterMed
Inc., a New Jersey corporation having a principal office in 1805 Swarthmore
Avenue, Lakewood, NJ  08701 ("CharterMed").

                             W I T N E S S E T H :

     WHEREAS, CharterMed is the owner and operator of a manufacturing facility
which designs, fabricates and assembles medical products (the "Business") at a
leased facility located at 1805 Swarthmore Avenue, Lakewood, NJ  08701
("Facility"); and

     WHEREAS, CharterMed desires to sell and transfer to CML, and CML desires to
purchase and assume from CharterMed, certain assets, certain liabilities and the
Business as a going concern, upon the terms and subject to the conditions set
forth in this Agreement;

     NOW, THEREFORE, in consideration of the mutual premises hereinafter set
forth, the parties agree as follows:

     1.   PURCHASE AND SALE OF ASSETS.  At the Closing  on the Closing Date (as
these terms are defined in Article 4), and upon 

                                       1
<PAGE>
 
the basis of the representations, warranties, covenants and agreements in this
Agreement, CharterMed shall sell, transfer, assign, convey and deliver to CML,
and CML shall purchase on the terms and conditions set forth in this Agreement,
all of CharterMed's right, title and interest in and to the Assets, free and
clear of all mortgages, liens, pledges, security interests, charges, claims,
restrictions and encumbrances of any nature whatsoever, except Permitted Liens
(as defined in Section 7.03 below).

     The "Assets" shall mean all real, personal and mixed properties, tangible
and intangible, wherever located, which are owned by CharterMed on the Closing
Date and are used by CharterMed in connection with the conduct of the Business,
except as set forth in Article 2 below, including, without limitation:

     1.01      Lease of Real Property.  All of CharterMed's right, title and
               -----------------------                                      
interest in and to the lease dated January 31, 1994, as modified, relating to
the land,  buildings, improvements and fixtures located at the Facility (the
"Lease").  The Lease, pursuant to an Assumption of Lease dated February 3, 1998,
is between CML as tenant and George and Constance Stamos and Arthur and Karen
Sommers, as landlord. (The real property, improvements and fixtures which are
the subject of the Lease and are sometimes hereinafter referred to as the "Real
Property");

     1.02      Equipment and Personalty.  All the fixtures, machinery,
               ------------------------                               
equipment, tooling, motor vehicles, spare parts, furniture, appliances,
supplies, computer hardware, software and

                                       2
<PAGE>
 
other items of tangible personal property owned by CharterMed or used in the
operation of the Business on the Closing Date (the "Equipment and Personalty"),
including without limitation all items set forth in a list and description of
such Equipment and Personalty, attached as Schedule 1.02;

     1.03      Contract Rights and Leases.  All rights, benefits and obligations
               --------------------------                                       
of CharterMed under the contracts, purchase orders, agreements and leases in the
ordinary course of business (in addition to the Lease) in effect on the Closing
Date entered into by, or for the benefit of, CharterMed relating to the
operation of the Business; including without limitation those listed on Schedule
1.03 attached;

     1.04      Prepaid Expenses and Deferred Costs.  Except as provided by
               ------------------------------------                       
Sections 2.04, all rights to prepaid expenses, including the security deposit
described in the Lease, and deferred costs of CharterMed relating to the
Business and existing on the Closing Date (collectively, the "Prepaid
Expenses"), including without limitation all items set forth on a list and
description of such prepaid expenses and deferred costs, as of the date
specified being attached as Schedule 1.04;

     1.05      Inventory.  All of the raw materials, work in process, finished
               ---------                                                      
goods, spare parts and supplies inventory, whether on-site or on consignment,
used or maintained by CharterMed in connection with the operation of the
Business  on the Closing Date (the "Inventory"), including without limitation
all items set forth on a list of such inventory, with its actual 

                                       3
<PAGE>
 
cost, as of the date specified, attached as Schedule 1.05, except such Inventory
as shall have been sold in the ordinary course of CharterMed's business in the
period from the date of such list until the Closing Date;

     1.06      Accounts Receivable.   All of the accounts receivable of
               -------------------                                     
CharterMed attributable to the operation of the Business as of the Closing Date,
(the "Accounts Receivable") which on June 30, 1997 were $466,452 collectively.
CharterMed shall furnish within 10 days prior to the Closing Date a list of all
Accounts Receivable as of December 31, 1997, which list is attached hereto as
Schedule 1.06;

     1.07      Records.  All books, accounts, lab notebooks, research and
               --------                                                  
development documents and other records (whether in printed or electronic form)
of CharterMed relating to the operation of the Business, wherever located;

     1.08      Goodwill.  The goodwill of the business including its going
               --------                                                     
concern value;

     1.09      Intangible Property.   All inventions, patents, formulae, know-
               --------------------                                          
how, patent applications, copyrights, trade secrets, trademarks, tradenames,
drawings, designs,  blue prints, computer programs, software and manufacturing
records owned by CharterMed and relating to the Business, including but not
limited to, records relating to products presently conceived, in research or
development, or produced or in use in the business of CharterMed;

                                       4
<PAGE>
 
     1.10      Customer and Supplier List.  All information, files, records,
               ---------------------------                                  
data, plans, contracts and recorded knowledge, including customer and supplier
lists, relating to the Business. A complete and accurate list of the customers
and suppliers of CharterMed, which shall include all accounts shipped to in 1995
and 1996 by dollar amount, plus all new customers added in 1997; by dollar
amount is attached as Schedule 1.10;

     1.11      CharterMed Names.  The exclusive right to use the name
               -----------------                                     
"CharterMed" and any derivation and all related names, marks, logos and
abbreviations, subject, however, to the provisions of Section 11.07 below;

     1.12      Insurance Policies.  All insurance policies of CharterMed and
               -------------------                                          
rights in connection therewith including, without limitation, any prepaid
premiums as listed in Schedule 1.12; and

     1.13      Website.  All rights to the use of the existing CharterMed
               --------                                                  
website.

     2.   ASSETS TO BE RETAINED BY CHARTERMED.  Notwithstanding the foregoing,
the Assets to be sold, transferred, assigned or conveyed to CML shall not
include the following:

     2.01      Cash.  All of CharterMed's cash on hand and all cash contained in
               ----                                                             
any bank account of CharterMed;

     2.02      Certain Records.  Such business records which relate to the
               ----------------                                           
assets and obligations of CharterMed retained by CharterMed, provided, however,
that CharterMed shall preserve and maintain such business records for a period
of seven (7) years, 

                                       5
<PAGE>
 
or until all open tax years are closed, from and after the Closing Date and
permit CML reasonable access to the same and not destroy or discard the same
without CML's prior written consent;

     2.03      Employee Pension and Benefit Plans.  Assets associated with any
               -----------------------------------                            
employee benefit plans of CharterMed, including but not limited to, welfare
plans and all contracts and insurance policies entered into or issued pursuant
to any such plan;

     2.04      Tax Credits and Refunds.  Local, state and federal income and
               -----------------------                                      
franchise tax credits, refunds and prepayments arising with respect to the
property, business or income of CharterMed prior to the Closing, whether or not
in being or known at the Closing Date; and

     2.05      Corporate Records.   CharterMed 's corporate minute book, stock
               ------------------                                             
record books and corporate seal.

     3.        LIMITED ASSUMPTION OF LIABILITIES BY CML.
               -----------------------------------------

     3.01      Obligations Under Contracts and Leases.  As partial consideration
               ---------------------------------------                          
for the sale of the Assets, CML will assume responsibility for, and perform or
satisfy when due, all liabilities, commitments and obligations of CharterMed
under the Lease, and those contracts, purchase orders, agreements and other
leases existing as of the Closing  and listed on Schedule 1.03;

     3.02      Trade Payables.  CML shall assume responsibility for the specific
               ---------------                                                  
trade payables and accrued expenses set forth in Schedule 3.02 (the "Trade
Payables");

                                       6
<PAGE>
 
     3.03      Product Warranty and Return Obligations.  (a) CML shall be
               ----------------------------------------                  
responsible for all liabilities and obligations relating to or arising out of
any replacements under any product warranty relating to, or the return of, or
any allowance given with respect to, any product of the Business manufactured by
CML and sold, distributed or otherwise disposed of by CML after the Closing,
except those described in paragraph 3.03(b)(ii).

      (b) CharterMed shall continue to be responsible for all liabilities and
obligations relating to or arising out of any replacements under any product
warranty relating to, or the return of, or any allowance given with respect to,
any product (i) sold, distributed or otherwise disposed of by CharterMed at any
time prior to the Closing Date, including claims made after the Closing Date,
and (ii) in inventory as finished goods or  inventory at the sterilizer at the
Closing Date and sold, distributed or otherwise disposed of by CML;

     3.04      Personal Property Taxes.  CharterMed will pay to CML any unpaid
               ------------------------                                       
property taxes that accrue prior to the Closing Date;

     3.05      Post-Closing Responsibilities.  (a) CML shall be solely
               ------------------------------                         
responsible for any and all liabilities and obligations  directly or indirectly
arising out of or relating to the conduct of the Business by CML after the
Closing and relating to periods from and after the Closing.

     (b) CharterMed shall be solely responsible for any and all liabilities and
obligations directly or indirectly arising out of 

                                       7
<PAGE>
 
or relating to the conduct of the Business by CharterMed before the Closing and
relating to periods before the Closing.

     3.06      Liabilities Not Assumed.  All liabilities other than those listed
               ------------------------                                         
in sections 3.01 through 3.05 are expressly not assumed by CML.  CharterMed
agrees that it will remain responsible for all liabilities not assumed; and

     3.07      No Expansion of Third Party Rights.  The assumption provided for
               -----------------------------------                             
in Sections 3.01 through 3.05 above shall in no way expand the rights or
remedies of any third party against CML or CharterMed as compared to the rights
and remedies which such third party would have had against CharterMed had CML
not assumed such liabilities.

     4.        CLOSING; PURCHASE PRICE AND PAYMENT.

     4.01      Closing Date, Place and Time.  The transactions contemplated
               -----------------------------                               
shall take place at 11:00 a.m. on February 6, 1998 at the offices of Burns,
Kennedy, Schilling & O'Shea, 598 Madison Avenue, 9/th/ Floor, New York, NY
10022, or at such other time, date and place as are mutually determined by the
parties.  "Closing" shall mean the meeting between the parties and their
representatives at which title to the Assets is transferred from CharterMed to
CML and the transactions contemplated by the Agreement are consummated, and
"Closing Date" shall mean the date on which the Closing takes place. The
transactions contemplated 

                                       8
<PAGE>
 
by the Agreement shall be deemed effective as of 11:59 p.m. on the Closing Date;

     4.02      Purchase Price and Method of Payment.  The purchase price for the
               -------------------------------------                            
Assets and the Covenants Not to Compete referred to in Section 9.03, net of the
specific liabilities assumed, (the "Net Purchase Price") shall be $7,300,000
which will be payable as follows: (a) $6,580,000 by wire transfer of funds to
CharterMed's bank account, or delivery of other immediately available funds to
CharterMed, at the Closing and (b) an Indemnification Note in the amount of
$720,000 ("Indemnification Note" described further in paragraph 12.01 below)
with a guarantee of Lydall Central, Inc. both substantially in the form of
Exhibits A1 and 2 attached hereto.  The Net Purchase Price shall be subject to
adjustment as set forth in Section 4.05;

     4.03      Allocation of Purchase Price.   After Closing, CML and CharterMed
               -----------------------------                                    
shall attempt in good faith to agree to an allocation of the Purchase Price
(including liabilities assumed by CML pursuant to Section 3) among the Assets,
the Covenants Not to Compete and the liabilities assumed.  The parties shall
cause appropriate filing reflecting the allocation to be made with Federal and
State taxing authorities as shall be required by law.  In the event CML and
CharterMed do not agree on such allocation, each may allocate the Purchase Price
in its own discretion and file its tax return accordingly;

                                       9
<PAGE>
 
     4.04      Risk of Loss.  All risk of loss with respect to the Assets shall
               ------------                                                    
remain with CharterMed until the Closing and shall pass to CML when the
transactions contemplated are deemed effective as defined in 4.01 above; and

     4.05      Net Asset and Liability Adjustment.
               -----------------------------------
(a)  Within 30 days after the Closing Date, CharterMed shall prepare and deliver
to CML a statement (the "Closing Date Statement") setting forth CharterMed's Net
Assets and Liabilities (as defined in Section 4.05(d)(iii)) as of the Closing
Date ("Closing Date Net Assets and Liabilities"). The Closing Date Statement
shall also set forth a calculation of the amount by which Closing Date Net
Assets and Liabilities exceeds or is less than $1,167,796 ("Adjustment"). Within
90 days of the Closing Date, CML shall complete its examination of the Closing
Date Statement and shall deliver to CharterMed either a written acknowledgment
of CML accepting the Closing Date Statement and the Adjustment or a written
report ("Adjustment Report") setting forth in detail any proposed adjustments to
the Closing Date Statement and the Adjustment and the reasons and supporting
data therefor. In the event that CML fails to deliver such acknowledgment or
Adjustment Report within such ninety (90) day period, the Closing Date Statement
(and each of the Closing Date Net Assets and Liabilities and the Adjustment set
forth thereon) delivered by CharterMed to CML shall be deemed to be correct and
to have been finally determined under Section 4.05 (c) below.

                                       10
<PAGE>
 
     (b) If CML shall deliver an Adjustment Report to CharterMed within the
period set forth in Section 4.05(a), CML and CharterMed shall attempt to resolve
any differences and agree upon the Adjustment.  In the event that CharterMed and
CML fail to agree on any or all of CML's proposed adjustments to the Closing
Date Statement contained in the Adjustment Report within 15 days after
CharterMed receives the Adjustment Report, then the parties shall submit the
matter to Arthur Anderson (the "Independent Auditors") to resolve any dispute.
The Independent Auditors, acting as independent auditors and not for the benefit
of CML or CharterMed, shall make the final determination with respect to the
correctness of the adjustments in Closing Date Net Assets and Liabilities
proposed by CML in the Adjustment Report in light of the terms and provisions of
this Agreement.  The decision of the Independent Auditors shall be in writing
and state the basis for the finding and shall be final and binding on CML and
CharterMed. The costs and expenses of the Independent Auditors for their
services rendered pursuant hereto shall be borne equally by CML and CharterMed.

     (c) The term "Final Closing Date Statement" shall mean the Closing Date
Statement delivered pursuant to Section 4.05(a), as adjusted, if at all,
pursuant to Section 4.05(a) or 4.05(b) and the "Settlement Date" shall mean the
date on which the Final Closing Date Statement is agreed to by the parties or
finally determined by the Independent Auditors, as the case may be.  Until the
Settlement Date, CML agrees to provide CharterMed, its 

                                       11
<PAGE>
 
representatives and advisors, and the Independent Auditors with access, during
CML's normal business hours and upon reasonable advance notice, to the books and
records of CharterMed for the purpose of preparing the Closing Date Statement
and reviewing any proposed adjustments set forth in the Adjustment Report.

     (d)(i) In the event that the Closing Date Net Assets and Liabilities set
forth in the Final Closing Date Statement exceeds $1,167,796, CML agrees to pay
to CharterMed within 5 days of the Settlement Date an amount equal to the excess
of the Closing Date Net Assets and Liabilities set forth in the Final Closing
Date Statement over $1,167,796 within 5 days of the Settlement Date to
CharterMed's bank account.

     (ii)   In the event that the Closing Date Net Assets and Liabilities set
forth in the Final Closing Date Statement is less than $1,167,796, the parties
agree that the amount of the difference shall be paid to CML by off set against
amounts due and owing under the Indemnification Note, within 5 days of the
Settlement Date, as provided in the Indemnification Note.

     (iii)  For purposes of this Section 4.05, the term "Net Assets and
Liabilities" shall mean an amount equal to the difference between (x) the
aggregate amount of CharterMed's Accounts Receivable, less any applicable
allowance for doubtful accounts and other reserves, Inventory, Prepaid Expenses
and Net Fixed Assets as of the Closing Date, and (y) the amount of CharterMed's
Trade Payables (including accrued expenses) being assumed pursuant to Section
3.02 as of the Closing Date, all

                                       12
<PAGE>
 
determined consistently with the way such amounts were determined for purposes
of the 1996 Year End Statements (as defined in Section 7.07).

     5.        EMPLOYEES; EMPLOYEE PENSION AND WELFARE PLANS
 
     5.01      Employment; Medical Benefits.  With respect to any employee who
               -----------------------------                                  
becomes employed by CML, CML shall provide substantially the same medical
benefits as are presently provided by CharterMed;

     5.02      Employee Pension Plans and Benefits.  CML shall not assume any
               ------------------------------------                          
obligation for and shall have no liability to provide to any employee or former
employee of CharterMed pension benefits earned or accrued prior to the Closing,
if any, under any pension plan or any other employee benefit plan maintained by
CharterMed with respect to service with CharterMed or any other entity prior to
the Closing.  All such obligations and liabilities, if any, shall remain the
sole and exclusive responsibility of CharterMed;

     5.03      Other Employee Pension Plans and Benefits.  CML shall not assume
               ------------------------------------------                      
any obligation and shall have no liability whatsoever to CharterMed or any
employee or former employee thereof or any other person or entity with respect
to the funding, payment or provision of pension, profit-sharing, 401(k) benefits
or other plans earned or accrued prior to the Closing, if any, under any
pension, profit-sharing 401(k) benefits or 

                                       13
<PAGE>
 
other plans sponsored by CharterMed, whether or not any employees become
employees of CML. CharterMed shall retain all such obligations, if any, and
shall remain solely and exclusively liable for all benefits earned or accrued
prior to the Closing, if any, under any such plans; and

     5.04      Employee Welfare Plans, Worker's Compensation.  CML  shall have
               ---------------------------------------------                  
no liability whatsoever to employees or former employees of CharterMed with
respect to incurred worker's compensation claims or to benefits provided, earned
or accrued under any welfare benefit plan sponsored by CharterMed prior to the
Closing.  CML shall not assume any obligation and shall have no liability
whatsoever with respect to any welfare benefit claims, including without
limitation medical, dental, life, or disability claims incurred by an employee
or his family prior to the Closing or workers compensation claims incurred prior
to the Closing.  A medical or dental claim shall be deemed to be incurred when
the services relating to that event that is the subject of the claim were
performed.  A life or disability claim is deemed to have been incurred on the
date of death or disability.  A worker's compensation claim is deemed to have
been incurred on the date of accident.

     6.        INSTRUMENTS OF CONVEYANCE AND ASSUMPTION. (a) At the Closing,
CharterMed shall deliver to CML such bills of sale, endorsements and assignments
in the form of Exhibits B-1 attached hereto, and such other instruments of sale,
conveyance, transfer  

                                       14
<PAGE>
 
and assignment as may be reasonably requested by CML, in order to convey to CML
good title to the Assets, free and clear of all claims, charges, equities, liens
(including tax liens other than liens for taxes and assessments not yet due and
payable), security interests and encumbrances except as described in Section
7.03 and except for minor imperfections of title and liens, security interests,
and encumbrances which, individually and in the aggregate, do not materially
detract from the value of or impair the use of the Assets as currently utilized.
CML shall pay the costs for recording the instruments of conveyance. Any sales,
use, excise, transfer or other similar taxes, imposed with respect to the
transfer of the Assets shall be the sole responsibility of CharterMed; and

     6.01      Conveyance Documents.  At the Closing, CML shall execute and
               ---------------------                                       
deliver to CharterMed an Assumption Agreement in the form attached as Exhibit B-
2 and such other instruments or agreements of assumption as may be reasonably
requested by CharterMed, in order to further evidence the assumption by CML of
the liabilities specified in Article 3.

     7.        REPRESENTATIONS AND WARRANTIES OF CHARTERMED. CharterMed
represents, warrants and agrees that:

     7.01      Completeness of Disclosure.  No representation or warranty by
               ---------------------------                                  
CharterMed in this Agreement nor any certificate, schedule, statement, document
or instrument furnished or to be furnished to CML pursuant hereto, or in
connection with the 

                                       15
<PAGE>
 
negotiation, execution or performance of this Agreement, contains or will
contain any untrue statement of a material fact or omits or will omit to state a
material fact required to be stated herein or therein or necessary to make any
statement herein or therein not misleading;

     7.02      Organization and Good Standing of CharterMed.  CharterMed is a
               ---------------------------------------------                 
corporation duly organized, validly existing and in good standing under the laws
of the State of New Jersey with full power and authority to own and operate the
Assets and to conduct the Business as now being conducted and CharterMed is duly
qualified to do business in New Jersey and all other jurisdictions where the
nature of the properties owned or leased by it or the business conducted by it
require that it be so qualified;

     7.03      Title to and Condition of the Assets.  CharterMed has good title
               -------------------------------------                           
to the Assets, free and clear of any claims, charges, equities, liens (including
tax liens), security interests and encumbrances except for (a) liens for taxes
and assessments not yet due and payable, (b) liens listed on Schedule 7.03, and
(c) minor imperfections of title and liens, security interests and encumbrances
which, individually and in the aggregate, do not materially detract from the
value of or impair the use of the Assets as currently utilized (collectively,
"Permitted Liens").  CharterMed has full right, power, capacity and authority to
sell, transfer, assign, convey and deliver good title to the Assets to CML as
provided in this Agreement, and 

                                      16
<PAGE>
 
delivery on the Closing Date will convey to CML good title to the Assets, free
and clear of any claims, charges, equities, liens (including tax liens),
security interests and encumbrances, except for Permitted Liens;

     7.04      Contracts of CharterMed.   Schedule 1.03 includes a correct and
               -----------------------                                        
complete list of all written or oral contracts agreements or arrangements to
which CharterMed is a party relating to the operation of the Business including
any agreements with CharterMed's shareholders, directors or officers. CharterMed
has no contracts in excess of $1,000 other than those listed on Schedule 1.03.
CharterMed has provided CML with true and correct copies of all such written
contracts, including the Lease and a true and complete summary of all oral
contracts;

     7.05      CharterMed's Authority and No Conflict.  CharterMed has the full
               --------------------------------------                          
corporate right, power and authority, to execute, deliver and carry out the
terms of this Agreement and all documents and agreements necessary to give
effect to the provisions of this Agreement.  This Agreement has been duly
authorized, executed and delivered by CharterMed.  The execution of this
Agreement and the consummation of the transactions contemplated will not result
in any conflict with, breach, result in a violation or termination of, or
default under CharterMed's charter or by-laws or any law, statute, rule,
regulation, judgment, order, decree, mortgage, agreement, deed of trust,
indenture or other instrument to which CharterMed is a party or by which it is
bound and CharterMed has obtained all necessary 

                                      17
<PAGE>
 
consents or approvals of governmental bodies, lenders, lessors or other third
parties. All corporate action and other authorizations prerequisite to the
execution of this Agreement by CharterMed and the consummation by CharterMed of
the transactions contemplated by this Agreement have been taken or obtained by
CharterMed. The Agreement is a valid and binding agreement of CharterMed,
enforceable against CharterMed in accordance with its terms;

     7.06      Brokers.  There has been no broker or finder involved in any
               --------                                                    
manner in the negotiations leading up to the execution of this Agreement or the
consummation of any transactions contemplated;

     7.07      Financial Statements.  Attached as Schedule 7.07 are the
               ---------------------                                   
unaudited financial statements of CharterMed for the twelve month period ended
December 31, 1997 ("Interim Statements") and the reviewed financial statements
for the full fiscal years ended December 31, 1994, December 31, 1995 and
December 31, 1996 ("Year-End Statements"). The Year-End Statements have been
prepared in accordance with generally accepted accounting principles ("GAAP")
consistently applied throughout the periods indicated and fairly present in all
material respects the financial position of CharterMed at and as of December 31,
1994, December 31, 1995 and December 31, 1996 respectively, and the results of
operations for the fiscal years then ended.  Except as set forth in the Notes to
the Interim Statements, the Interim Statements have been prepared in 

                                      18
<PAGE>
 
accordance with GAAP, do not reflect any material accounting principle changes
from prior periods and fairly present in all material respects the financial
position of CharterMed at and as of December 31, 1997 and the results of
operations for the twelve months then ended. The information set forth in
Schedule 7.07 is true and correct in all material respects;

     7.08      Taxes.  CharterMed has filed, or caused to be filed, with the
               -----                                                        
appropriate Federal, state and local governmental agencies all tax returns
required to be filed on or before the Closing Date, and has paid, or caused to
be paid all taxes, excise taxes, assessments, charges, penalties and interest
shown to be due and payable or claimed to be due and payable thereon  prior to
Closing.  CharterMed has paid, or caused to be paid, all applicable corporate
franchise taxes, unemployment taxes, payroll taxes, social security taxes,
occupation taxes, ad valorem taxes, property taxes, excise taxes and imposts,
sales and use taxes, and all other taxes of every kind, character or description
which arise out of the conduct of the business of CharterMed or relate to the
Assets and which are required to be paid on or prior to the Closing Date, and
has received no notices and is not otherwise aware of any deficiencies,
adjustments or changes in assessments with respect to any such taxes.
CharterMed shall continue to be responsible for all such taxes;

     7.09      Litigation or Claims.  There is no litigation, proceeding,
               --------------------                                      
arbitration, alternate dispute matter assessment, governmental investigation or
other claim pending, or so far as 

                                      19
<PAGE>
 
known to CharterMed, threatened, against or relating to CharterMed or the
Business or otherwise relating to the transactions contemplated by this
Agreement, except as set forth on Schedule 7.09;

     7.10      Compliance with Law.   CharterMed has complied with all
               --------------------                                   
applicable statutes and regulations of all governmental authorities having
jurisdiction over CharterMed or any of the Assets.  There is no outstanding
order, investigation, inquiry, writ, injunction or decree of any court or
arbitrator, government or governmental agency against, or affecting the Business
or any of the Assets;

     7.11      Absence of Certain Changes or Events
               -------------------------------------
     (a) Since June 30, 1997, except as set forth in Schedule 7.11, CharterMed
has not:

          (i)    incurred any obligation or liability (fixed or contingent),
except trade or business obligations incurred in the ordinary course of business
which are (either individually or in the aggregate) materially adverse, and
except for obligations under contracts, agreements, leases and documents listed
in Schedule 1.03;

          (ii)   discharged or satisfied any lien or encumbrance or paid any
obligation or liability (fixed or contingent), except current liabilities
included on the Interim Balance Sheet, current liabilities incurred since the
date of the Interim Balance Sheet in the ordinary course of business, and
obligations

                                      20
<PAGE>
 
and liabilities under contracts, leases or documents referred to in Schedule
1.03;

          (iii)  mortgaged, pledged or subjected to lien, charge, security
interest or to any other encumbrance any of its assets or properties;

          (iv)   sold, transferred, leased or otherwise disposed of any of its
assets or properties, except for a fair consideration in the ordinary course of
business or entered into any option, contract or other commitment to sell,
transfer, lease or otherwise dispose of any of its assets or properties;

          (v)    canceled or compromised any debt or claim except for
adjustments made with respect to contracts for the purchase of supplies or for
the sale of products in the ordinary course of business, which in the aggregate
are not material;

          (vi)   waived or released any rights of any material value;

          (vii)  transferred or granted any rights under any concessions,
leases, licenses, agreements, patents, inventions, trademarks, trade names,
copyrights, or other know-how relating to the Business;

          (viii) made or granted any general wage or salary increase or entered
into any employment contract with any officer or key employee or increased any
officer or key employee wage or salary more than 5% since June 30, 1997;

          (ix)   entered into any transaction other than in the ordinary course
of business;

                                      21
<PAGE>
 
          (x)    suffered any business interruption or casualty loss or damage,
whether or not such loss or damage shall have been insured against;

          (xi)   suffered any material adverse change in its financial
condition, properties or business;

          (xii)  made or entered into any contract or commitment to make any
capital expenditures, which have not yet been paid for, in excess of $10,000
individually or $15,000 in the aggregate; and

          (xiii) made any non-cash distribution of any kind to any of the
shareholders, officers or directors of CharterMed;

     7.12.     Environmental Matters.
               ----------------------
     (a) The following definitions shall apply for purposes of this Section:

          1              "Environmental Laws" means any and all Federal, state,
                         --------------------                                  
local or municipal laws, rules, orders, regulations, statutes, ordinances,
codes, decrees, guidelines, policies or requirements of any governmental
authorities regulating or imposing standards of liability or standards of
conduct (including common laws) concerning air, water, solid waste, Hazardous
Materials, worker and community right-to-know, hazard communication, noise,
resource protection, subdivision, wetlands and watercourses, health protection
and similar environmental, health, safety, building, and land use concerns as
may at any time be in effect.

                                      22
<PAGE>
 
          (ii)           "Environmental Condition" means circumstances with
                         -------------------------
respect to soil, surface waters, groundwaters, stream sediments, air and similar
environmental media both on and off   the Real Property and any other real
property which CharterMed owns, leases or operates or has ever in the past
owned, leased or operated (together "CharterMed Property") resulting from any
activity or inactivity, including but not limited to, storage, treatment,
transportation, disposal, or operations occurring on or off such real property,
that could require investigatory, corrective and/or remedial measures and/or
that may result in claims, demands and/or liabilities by CharterMed or third
parties including, but not limited to, governmental entities.

          (iii)          "Hazardous Materials" means any petroleum, petroleum
                         ---------------------
products, fuel oil, derivatives of petroleum products or fuel oil, explosives,
reactive materials, ignitable materials, corrosive materials, hazardous
chemicals, hazardous wastes, hazardous substances, extremely hazardous
substances, toxic substances, toxic chemicals, radioactive materials, medical
waste, biomedical waste, infectious materials and any other element, compound
mixture, solution or substance which may pose a present or potential hazard to
human health or safety or to the environment .

          (iv)           "Release" means releasing, spilling, leaking, pumping,
                         ---------
pouring, emitting, emptying, discharging, injecting, escaping, leaching,
disposing or dumping, or as

                                      23
<PAGE>
 
otherwise defined under the Resource Conservation and Recovery Act ("RCRA"), the
Comprehensive Environmental Response Compensation Liability Act ("CERCLA") or
other Environmental Laws. This term shall be interpreted to include the past,
present and future tense, as appropriate.

     (b) Except as set forth in Schedule 7.12,

          (i)            At no time have the Assets or CharterMed been used for
the generation, storage, transportation or disposal of Hazardous Materials or as
a landfill or other waste disposal site. There are not now, nor have there ever
been, underground storage tanks on CharterMed Property, to the best of the
knowledge of CharterMed.

          (ii)           CharterMed and the CharterMed Property are in full
compliance with all Environmental Laws. No event has occurred which, with the
passage of time or the giving of notice or both, would constitute non-compliance
with Environmental Laws.

          (iii)          There are no agreements, consent orders, decrees,
judgments, licenses or permit conditions, or other directives, issued by a
governmental department or agency which require any change in the present
condition of the Assets or the CharterMed Property.

          (iv)           There are no actions, suits, claims or proceedings,
pending or threatened, arising out of the condition of the Assets or the
CharterMed Property or relating to a violation or non-compliance with any
Environmental Law or with respect to the generation, storage, disposal,
discharge or 

                                      24
<PAGE>
 
Release of Hazardous Materials off-site or at or from the Assets or
the CharterMed Property or relating to health or safety practices at the
CharterMed Property.

          (v)            CharterMed has not received any notice from its
insurance carrier or mortgagee as to recommendations made regarding Hazardous
Materials or safety issues at the Assets or the CharterMed Property, and
CharterMed has not been denied insurance coverage (nor has any insurance
coverage been canceled) by reason of Hazardous Materials at the Assets or the
CharterMed Property or for any other reason.

          (vi)           Neither the Assets nor the CharterMed Property are a
designated landmark or in a designated Historic District, and CharterMed has not
received any notice that either the Assets or the CharterMed Property are being
considered for landmark designation or are to be included within any
contemplated Historic District.

          (vii)          All material zoning, use, building, housing, safety,
fire and health approvals, and all material permits and licenses necessary to
operate, occupy and use the Assets and the CharterMed Property as intended by
CML have been issued and are in full force and effect, and CharterMed is in full
compliance therewith.  CharterMed has not taken any action or made any
improvements which would require amending, modifying or supplementing the
foregoing.

          (viii)         There has been no Release of any Hazardous Materials
on, upon or into the Assets or the CharterMed 

                                      25
<PAGE>
 
Property and there has been no such release on, upon or into any real property
adjoining or in the vicinity of the Assets or the CharterMed Property which
through air, soil or groundwater migration could have come from sources located
upon the Assets or the CharterMed Property.

          (ix)           CharterMed has obtained all material permits, licenses
and other authorizations which are required under federal, state and local laws
relating to pollution or protection of the environment, including laws relating
to emissions, discharges, releases or threatened releases of pollutants,
contaminants, or hazardous or toxic materials or wastes into ambient air,
surface water, ground water, or land, or otherwise relating to the manufacture,
processing, distribution, use, treatment, storage, disposal, transport, or
handling of pollutants, contaminants or hazardous or toxic materials or wastes
or any other Environmental Law, and all permits, licenses and authorizations are
valid and in full force and effect. CharterMed is in full compliance with all
terms and conditions of such required permits, licenses and authorizations, and
is also in full compliance with all other material limitations, restrictions,
conditions, standards, prohibitions, requirements, obligations, schedules and
timetables contained in those laws or contained in any regulation, code, plan,
order decree, judgment, notice or demand letter issued, entered, promulgated or
approved thereunder.

                                      26
<PAGE>
 
          (x)            CharterMed is not aware of, nor has CharterMed received
notice of, any past, present or future events, conditions, Environmental
Conditions, circumstances, activities, practices, incidents, actions or plans
which may interfere with or prevent continued compliance, or which may give rise
to any common law or legal liability, or otherwise form the basis of any claim,
action, suit, proceeding, hearing or investigation, based on or related to the
manufacture, processing, distribution, use, treatment, storage, disposal,
transport, or handling, or the emission, discharge, release or threatened
release into the environment, of any Hazardous Material in connection with the
operation of the CharterMed Property;

     7.13      No Change in Business Relationships.  Since June 30, 1997, there
               ------------------------------------                            
has not been any interruption in the business relationship of CharterMed with
any supplier, customer or other party with which CharterMed has or has had any
substantial business agreement or arrangement.  CharterMed has no knowledge that
any such party contemplates termination of such party's business relationship
with CharterMed or any reduction in the volume of business carried on with
CharterMed during the preceding two years, except as set forth on Schedule 7.13;

     7.14      Employment Agreements.  (a) CharterMed has no:
               ----------------------                        
               (i)    collective bargaining agreement in effect with respect to
the employees of CharterMed, nor

                                      27
<PAGE>
 
               (ii)   employment agreement with any of the employees of
CharterMed.

     (b) With respect to employees of CharterMed:

               (i)    CharterMed is and has been in compliance with all
applicable laws respecting employment and employment practices, terms and
conditions of employment and wages and hours, including, without limitation, any
such laws respecting employment discrimination, occupational safety and health,
and unfair labor practices;

               (ii)   there is no unfair labor practice complaint against
CharterMed pending or threatened before the National Labor Relations Board or
any comparable state, local or foreign agency;

               (iii)  there is no labor strike, dispute, slowdown or stoppage
pending or threatened against or directly affecting CharterMed;

               (iv)   no union representation question exists and no union
organization effort is underway, respecting the employees of CharterMed.

               (v)    CharterMed has not experienced any material work stoppage
in the last eighteen (18) months;

               (vi)   CharterMed is not delinquent in payments to any of its
employees for any wages, salaries, commissions, bonuses or other direct
compensation for any services performed by them to the Closing Date or amounts
required to be reimbursed to such employees;

                                      28
<PAGE>
 
               (vii)  upon termination of the employment of any of the employees
of CharterMed by CML after the Closing Date, CML will not be liable to any of
its employees for severance pay pursuant to any severance policy or agreement
entered into by CharterMed for payments to be made in the event of a change of
control;

               (viii) The employment of each of CharterMed's employees is
terminable at will without cost to CharterMed except for payments required under
the welfare plans and employee plans and payment of accrued salaries or wages
and vacation pay. No employee or former employee has any right to be rehired by
CharterMed before a non-employee is hired by CharterMed.

               (ix)   Schedule 7.14 contains a true and complete list of all
employees who are employed by CharterMed as of December 31, 1997, and said list
correctly reflects their current salaries, wages, most recent compensation
adjustment, other compensation (other than benefits under the plans, welfare
plans and employee plans), dates of employment and positions. CharterMed does
not owe any past or present employees any sum other than for accrued wages or
salaries for the current payroll period, and amounts payable under the plans,
welfare plans or employee plans.

     7.15      Patents, Trademarks, Trade Names and Copyrights.
               ------------------------------------------------

The Business  as presently conducted by CharterMed, and as proposed to be
conducted by CML, does not infringe, interfere or contravene any presently
outstanding patents, patent licenses, trademarks, service marks, trade names,
brand names, applications 

                                      29
<PAGE>
 
or license rights or other proprietary rights held by others, and CharterMed, to
its knowledge, is not in violation of any such rights with respect to any past
events. All patents, patent licenses, trademarks, service marks, trade names,
brand names, and other proprietary rights owned by CharterMed or used by
CharterMed in the operation of its business are listed in Schedule 7.15;

     7.16      Processes and Know-how.   CharterMed possesses, and upon
               -----------------------                                 
consummation of the transactions contemplated hereby CML will possess, without
restriction all of the processes, know-how, technology, designs, patterns,
blueprints, franchises, licenses and applications, and rights in respect
thereof, necessary for the continued conduct of the Business as presently
conducted, without the need for patents or licenses other than as disclosed in
Schedule 7.15 or listed under Schedule 1.03;

     7.17      Utilities.     There is available to the facility and such
               ----------                                                
facility is adequately serviced by, such public utilities as are required to
conduct the Business it presently is being conducted, including, but not limited
to, water, sewer, heat and electricity, and all payments, assessments, deposits
and other charges related to such utilities and other existing on-site
improvements have been paid in full to the extent that they are due;

     7.18      Licenses and Permits.  Schedule 7.18 contains a complete and
               --------------------                                        
accurate list of all registrations, certifications, permits, licenses,
approvals, authorizations and consents of any 

                                      30
<PAGE>
 
federal, state or municipal governmental agency or authority held by CharterMed
which are required for the conduct of the Business is now being conducted
("Licenses and Permits"); all such Licenses and Permits are in full force and
effect; and there is no claim, action, investigation or proceeding pending or
threatened, which would materially affect any of the foregoing. CharterMed has
no knowledge of any condition presently existing which affects the validity of
any of the Licenses and Permits. CharterMed shall transfer to CML such Licenses
and Permits as are transferable without the consent of a third party. If any
Licenses and Permits are not transferable to the CML, CharterMed will cooperate
with and assist CML in applying for any such Licenses and Permits as are not
transferable, or obtaining such consents;

     7.19      Absence of Undisclosed Liabilities - The Interim Statements have
               ----------------------------------                              
made, and the balance sheet contained in the Interim Statements (the "Interim
Balance Sheet") makes full and adequate provision for all obligations and
liabilities (whether known or unknown, fixed or contingent) of CharterMed as of
the date of the Closing.  As of the Closing Date, CharterMed will have no
obligations or liabilities of any kind whatsoever (whether known or unknown,
fixed or contingent) except (i) to the extent reflected or reserved against on
the Interim Balance Sheet or (ii) incurred since the date of the Interim Balance
Sheet in the ordinary course of business, none of which is material, or (iii)
disclosed in Schedule 7.19;

                                       31
<PAGE>
 
     7.20  Inventory - Except as listed on Schedule 7.20, the inventories of
           ---------                                                        
                CharterMed as reflected on the Interim Statements consist, and
                the Inventory on hand on the Closing Date, as listed on Schedule
                1.05, consists, of items of a quality and quantity usable and
                salable in the ordinary course of the Business, except for
                obsolete items and items of below standard quality, all of which
                have been written down to realizable market value or for which
                adequate reserves have been provided. All such Inventory is of
                good and merchantable quality, except for obsolete, defective or
                damaged items, if any. Any defective or damaged items have been
                written down to realizable market value. Obsolete items shall be
                deemed to have no value. An item of Inventory shall be
                considered obsolete if no portion of such item is not expected
                to be consumed in the manufacturing process or is not expected
                to be sold within a twenty-four month period following Closing.
                "Realizable market value" for items which are obsolete,
                defective or damaged shall mean the value ascertained by valuing
                the item, if it is finished, at net selling price (gross selling
                price less all discounts) less any related sale or delivery
                expense, or if it constitutes work in process, at

                                       32
<PAGE>
 
               net selling price (gross selling price less all discounts) less
               cost to complete and any related sales or delivery expense, or
               if it constitutes manufacturing supplies, at market value or if
               constitutes raw material, at the lesser of cost or market value;

     7.21      Accounts and Notes Receivable - The accounts receivable listed on
               -----------------------------                                    
Schedule 1.06 and notes receivable of CharterMed as reflected on the Interim
Statements, and the accounts receivable and notes receivable of CharterMed on
the Closing Date, will be collectible in the ordinary course of business at the
aggregate face amounts thereof.  In the event that all of the accounts
receivable and notes receivable of CharterMed on the Closing Date are not paid
in full prior to the one hundred and twentieth (120/th/) day after the Closing
Date, CharterMed shall repurchase, free and clear of any encumbrance, all said
unpaid accounts and notes (and any unpaid portion of either) from CML for its or
their then unpaid balance in accordance with Section 11.02.  The accounts
receivable and notes receivable shall be valid and enforceable, uncontested
claims for goods delivered or services performed, with no offsets, defenses,
counterclaims or disputes as to the amount owing, except as specifically noted
in Schedule 7.21;

     7.22      Solvency. CharterMed is not insolvent as of the Closing Date and
               --------                                                        
shall not be rendered insolvent as a result of the transactions contemplated by
this Agreement.  The 

                                       33
<PAGE>
 
transactions contemplated hereby will not cause CharterMed to fail to pay its
debts as they become due, and will not cause the remaining assets of CharterMed
to be unreasonably small in relation to its business. For purposes of this
Agreement, the term "insolvent" shall have the same meaning such term has under
the Uniform Fraudulent Transfer Act, as adopted and in effect on the Closing
Date;

     7.23      Subsidiaries.  CharterMed has no subsidiaries and does not own,
               -------------                                                  
directly or indirectly, any capital stock or other equity securities of any
corporation or other entity, or have any direct or indirect equity interest in
any business;

     7.24      ERISA and COBRA Compliance.  (a) Except for the plans disclosed
               ---------------------------                                    
on Schedule 7.24 (the "Plans"), CharterMed neither maintains nor contributes to
any employee pension benefit or welfare plans, as defined in the Employee
Retirement Income Security Act of 1974 ("ERISA"), or any other severance, bonus,
stock option, stock appreciation, stock purchase, retirement, insurance,
pension, profit-sharing or deferred compensation plan, agreement or arrangement
for the benefit of CharterMed's employees (collectively, the "Employee Plans"),
nor has CharterMed nor any of its officers or directors taken any action
directly or indirectly to obligate CML to institute any such Employee Plan.
CharterMed has complied with all terms and conditions of, and has no liabilities
or obligations with respect to, the Plans.  As of the date of this Agreement,
all benefits relating to periods of service under the Plans are fully funded 

                                       34
<PAGE>
 
to the extent required by law. To the best of CharterMed's knowledge, all Plans
have been maintained in full compliance with all laws, regulations and orders,
including without limitation, ERISA, of all governmental authorities.

     (b)  CharterMed and any entity that is a member of a group described in
Section 414(b),(c),(m), or (o) of the Code, which group includes CharterMed,
maintain only the group health plans listed in Schedule 7.24, covering employees
of CharterMed.  Except as disclosed in Schedule 7.24 each such group health plan
has been administered in accordance with published requirements from and after
the respective publication dates of such requirements (and in good faith with
requirements with respect to issues and for periods prior to the dates on which
published guidance was available) relating to continuation coverage for people
who would otherwise lose coverage as a result of certain events set forth in the
Consolidated Omnibus Budget Reconciliation Act of 1985 ("COBRA"), as amended,
and regulations thereunder;

     7.25      Product Liability. CharterMed has not made any oral or written
               -----------------                                             
warranties with respect to the quality or absence of defects of its products or
services which it has sold or performed which are in force as of the date hereof
except as are described in Schedule 7.25.  There are no material claims pending
or anticipated or threatened against CharterMed with respect to the quality of
or absence of defects in such products or services.  Schedule 7.25 sets forth a
summary, which is accurate 

                                       35
<PAGE>
 
in all material respects, of all returns of defective products during the period
beginning January 1, 1996 and ending on the date hereof, and all credits and
allowances for defective products given to customers during said period, and
said summary in each case accurately describes the defect which resulted in the
return, allowance or credit. CharterMed has no knowledge or reason to believe
that the percentage of products sold and services performed by CharterMed for
which warranties are presently in effect and for which warranty adjustments can
be expected during unexpired warranty periods which extend beyond the Closing
Date will be higher than the percentage of such products and services which
CharterMed has sold and performed for which warranty adjustments have been
required in the past. CharterMed has not been required to pay direct,
incidental, or consequential damages to any person in connection with any of
such products or services at any time during the six (6) year period preceding
the date hereof;

     7.26      Corrupt Practices.   Neither CharterMed nor any of its former or
               -----------------                                               
current officers, directors, employees, agents or representatives has made,
directly or indirectly, with respect to CharterMed or its business activities,
any bribes or kickbacks, illegal political contributions, payments from
corporate funds not recorded on the books and records of CharterMed, payments
from corporate funds to governmental officials, in their individual capacities,
for the purpose of affecting their action or the action of the government they
represent, to obtain 

                                       36
<PAGE>
 
favorable treatment in securing business or licenses or to obtain special
concessions, or illegal payments from corporate funds to obtain or retain
business. Without limiting the generality of the foregoing, CharterMed has not
directly or indirectly made or agreed to make (whether or not said payment is
lawful) any payment to obtain, or with respect to, sales other than usual and
regular compensation to its employees and sales representatives with respect to
such sales;

     7.27      Adequate Assets.     Except for cash, the Assets are adequate to
               ----------------                                                
conduct the Business as it is presently being conducted, and the Assets conveyed
to CML on the Closing Date will be adequate to enable CML to continue to conduct
such Business as it is presently being conducted; and

     7.28      Condition of Equipment and Personalty.  The Equipment and
               -------------------------------------                    
Personalty  are in good operating condition and repair (ordinary wear and tear
excepted). The Equipment, Real Estate and the buildings and other facilities
located on the Real Estate are free of any latent structural or engineering
defects known to CharterMed or any patent structural or engineering defects.
CharterMed does not use in the conduct of its business any property, assets, or
rights, real or personal, tangible or intangible, which are not either (i) owned
by it and reflected in the 6/30/97 Interim  Statements, (ii) leased by it under
the Lease, or (iii) which it otherwise has the right to use under contracts,
licenses or agreements disclosed to CML pursuant to Schedules to this Agreement.

                                       37
<PAGE>
 
     8.        REPRESENTATIONS AND WARRANTIES OF CML.  CML represents, warrants
and covenants that:

     8.01      Completeness of Disclosure.  No representation or warranty by CML
               --------------------------                                       
in this Agreement nor any certificate, schedule, statement, document or
instrument furnished or to be furnished to CharterMed pursuant hereto, or in
connection with the negotiation, execution or performance of this Agreement,
contains or will contain any untrue statement of a material fact or omits or
will omit to state a material fact required to be stated herein or therein or
necessary to make any statement herein or therein not misleading;

     8.02      Organization and Good Standing.  CML is a corporation duly
               -------------------------------                           
organized, validly existing and in good standing under the laws of the State of
Delaware with full power and authority to own and operate the Assets and to
carry on the Business  as now being conducted;

     8.03      Authority of CML.  CML has the full right, power and authority,
               -----------------                                              
to execute, deliver and carry out the terms of this Agreement and all documents
and agreements necessary to give effect to the provisions of this Agreement.
This Agreement has been duly authorized, executed and delivered by CML and the
execution of this Agreement and the consummation of the transactions
contemplated hereby will not result in any conflict, breach, violation or
termination of or default under any charter, by-law, law, statute, rule,
regulation, judgment, order, decree, 

                                       38
<PAGE>
 
mortgage, agreement, deed of trust, indenture or other instrument to which CML
is a party or by which it is bound and CML has obtained all necessary consents,
approvals of governmental bodies, lenders, lessors, or other third parties. All
corporate action and other authorizations prerequisite to the execution and
delivery of this Agreement and the consummation of the transactions contemplated
by this Agreement have been taken or obtained by CML. This Agreement is a valid
and binding agreement of CML, enforceable against CML in accordance with its
terms;

     8.04      Brokers. There has been no broker or finder involved in any
               --------                                                   
manner on behalf of CML in the negotiations leading up to the execution of this
Agreement, or the consummation of any transactions contemplated as a result of
any agreements or understandings made by CML; and

     8.05      Financing.  CML has funds available (including those to be
               ---------                                                 
provided to it pursuant to binding financing commitments) which are sufficient
to pay the Purchase Price and to pay all other amounts owing by it in connection
with the transactions contemplated by this Agreement.  CML has furnished
reasonable substantiation of the foregoing to CharterMed and will, from time to
time prior to the Closing at the reasonable request of CharterMed, provide to
CharterMed additional substantiation of the status thereof.

     9.        CML'S CONDITIONS PRECEDENT TO CLOSING.  CML's agreement to
purchase and pay for the Assets is subject to 

                                       39
<PAGE>
 
delivery at the Closing of the deeds, bills of sale, endorsements, assignments,
and other instruments of sale, conveyance, transfer and assignment as
contemplated by Section 6 and to the occurrence of each of the following
conditions (any of which may be waived by CML):

     9.01      Representations and Warranties.  Each of the representations and
               -------------------------------                                 
warranties set forth in Article 7 and in the Schedules delivered pursuant
thereto shall be true and correct in all material respects on the Closing Date,
and CharterMed shall execute and deliver to CML a certificate signed by
authorized officers of CharterMed dated the Closing Date to such effect;

     9.02      Consent of Landlord to Assumption of Lease.  On the Closing Date,
               -------------------------------------------                      
CML shall receive from the landlord under the Lease, landlord's consent to CML's
assumption of the Lease as modified;

     9.03      Execution of Covenants Not to Compete.  CharterMed and each of
               ---------------------------------------                       
Messrs. Hussey and Stroller shall have executed and delivered Covenants Not to
Compete running to the benefit of CML in the form of Exhibits C1 through C3
respectively attached;

     9.04      Hart-Scott-Rodino Filings.  In the reasonable opinion of CML, all
               -------------------------                                        
necessary requirements of the provisions of the Hart-Scott-Rodino Act (15 U.S.C.
(S)18A) and the regulations thereunder shall have been complied with, and any
"waiting periods" applicable to this transaction which are imposed by statute or
regulations shall have expired prior to the Closing Date or shall have been
terminated by the appropriate agency;

                                       40
<PAGE>
 
     9.05      Employment Agreement of Peter Hussey.  On the Closing Date, CML
               ------------------------------------                           
shall have received from Peter Hussey, the executed Employment Agreement of
Peter Hussey, substantially in the form of Exhibit D attached; and

     9.06      Purchase of Insurance Policy.  CML shall have received from
               ----------------------------                               
CharterMed a certificate of insurance evidencing coverage under the Insurance
Policy described in Section 11.09 and designating CML as an additional insured.

     10.       CHARTERMED'S CONDITIONS PRECEDENT TO CLOSING.

CharterMed's agreement to sell and deliver the Assets is subject to payment at
the Closing of the amount specified in Sections 4.02, the delivery at the
Closing of the instruments and agreements of assumption as contemplated and to
the occurrence of each of the following conditions (any of which may be waived
by CharterMed):

     10.01     Representations and Warranties.  Each of the representations and
               -------------------------------                                 
warranties set forth in Article 8 shall be true and correct in all material
respects on the Closing Date, and CML shall execute and deliver to CharterMed a
certificate signed by authorized officers of CML dated the Closing Date to such
effect; and

     10.02     Consent of Landlord to Assumption of Lease.  On the Closing Date,
               -------------------------------------------                      
CharterMed shall receive from the landlord under the Lease, landlord's consent
to CharterMed's assignment of 

                                       41
<PAGE>
 
and CML's assumption of the Lease as modified, and landlord shall have released
CharterMed from any obligations under the Lease.

     10.03     Indemnification Note and Guaranty.  CharterMed shall have
               ---------------------------------                        
received from CML the Indemnification Note and Guarantee of Lydall Central, Inc.
described in Section 4.02.


     11.       COVENANTS

     11.01     Transition Period.  During the transition of ownership from
               ------------------                                         
CharterMed to CML beginning on the Closing Date and continuing for a reasonable
period thereafter, not to exceed one year, CharterMed will:

               (a) to the extent not included in the Assets, make available to,
                   and take all actions reasonably necessary to transfer and
                   convey to, CML all information or records needed for the
                   manufacture of the products and the operation of the Business
                   including access to all software or other computer systems
                   used by CharterMed or any entity under CharterMed's control
                   in relation to CharterMed's operation of the Business; and

               (b) make available to CML its representatives for conferences,
                   assistance and meetings at

                                       42
<PAGE>
 
                   reasonable times during normal business hours, as CML shall
                   reasonably request;

     11.02     Collection of Receivables.  If any Account Receivable listed on
               --------------------------                                     
Schedule 1.06 shall be or become overdue and owing for a period in excess of one
hundred twenty (120) days after date of invoice, at CML's request, CharterMed
shall repurchase said Account Receivable from CML for its then unpaid balance,
provided that CharterMed's obligation to repurchase Accounts Receivable shall be
subject to the following:

          (a)  CML shall promptly and diligently attempt to collect all of the
               Accounts Receivable before the end of 120-day collection period
               above referred to, but CML shall not be required to institute
               legal proceedings for this purpose;

          (b)  any amounts received by CML with respect to an Account Receivable
               from an account debtor shall be applied against the invoice to
               which it relates.

          (c)  CML agrees to permit CharterMed, including its attorneys,
               accountants, agents and designees, such access to the records of
               CML relating to the Accounts Receivable, and CML's collection
               thereof during normal business hours as CharterMed may deem
               necessary or desirable;

          (d)  if: (i) any products with respect to which there is an Account
               Receivable are returned by a customer (other than for repair or
               replacement)

        

                                       43
<PAGE>
 
               before CML receives payment from CharterMed under this section
               11.02, and (ii) such products are reasonably marketable by CML,
               then the amount of the Accounts Receivable related to such
               products that CML may require CharterMed to repurchase shall be
               reduced by an amount equal to the standard cost under
               CharterMed's system that was incurred by CharterMed in producing
               such returned products less any cost of rework incurred by CML
               and a reasonable restocking charge. If such reasonably marketable
               products are returned after CML instituted its rights to require
               CharterMed to repurchase, CML shall reverse or eliminate the set-
               off to the extent of an amount equal to the standard cost
               incurred by CharterMed in producing such goods less any cost of
               rework incurred by CML and a reasonable restocking charge. The
               return of any products which are not reasonably marketable by CML
               shall not result in a reduction of the amount of CharterMed's
               obligation under this Section 11.02.

               (e)   CML shall transfer to CharterMed all rights to the Accounts
               Receivable with respect to which CML has exercised its repurchase
               rights under this Section 11.02 as well as those Accounts
               Receivable which come within the limitation set forth in

                                       44
<PAGE>
 
               Section 14.01. CharterMed may use all commercially reasonable
               means of collecting the unpaid Accounts Receivable, including,
               but not limited to, the institution of legal action against the
               account debtor. CharterMed, in collecting the unpaid Accounts
               Receivable, will make best efforts to maintain CML's relationship
               with the account;

     11.03     Preservation of Records.  CML covenants that for a period of
               ------------------------                                    
seven years from and after the Closing Date,  it shall preserve and maintain the
records referred to in Section 1.07, shall permit CharterMed reasonable access
to such records, and shall not discard or destroy such records without
CharterMed's written consent;

     11.04     Confidentiality. CharterMed and CML have executed a
               ---------------                                    
Confidentiality Agreement dated February 12, 1997 which is attached as Exhibit
E, which will continue in full force and effect;

     11.05     Further Assurances.  Each party shall, at the request of the
               -------------------                                         
other, execute and deliver to such other party all such further assignments,
assumptions, endorsements and other documents and take such other actions as
such other party may reasonably request in order to effect the transactions
contemplated;

     11.06     Product Warranty Costs. CML shall perform, in a workmanlike
               -----------------------                                    
manner, any product warranty repair or replacement obligation of CharterMed (not
assumed by CML pursuant to Section 

                                       45
<PAGE>
 
3.04) with respect to products of CharterMed sold by CharterMed prior to the
Closing and any finished inventory or inventory at the sterilizer acquired from
CharterMed. CharterMed shall reimburse CML for its actual costs for salaries,
wages, employee benefits and other out-of-pocket costs to perform such warranty
services on CharterMed's behalf;

     11.07     Use of Name.  From and after the Closing Date, neither
               -----------                                           
CharterMed, Peter Hussey nor Charles Stroller shall have any right to utilize
the name "CharterMed" or any derivation, related name, mark, logo or
abbreviation of such name, all of which shall be the sole and exclusive property
of CML; provided, however, that CharterMed shall be permitted to continue its
corporate existence and to utilize its present corporate name for the sole
purpose of winding up its affairs and dissolving its corporate existence.  Until
such time as CharterMed is dissolved, CharterMed shall not engage in any active
trade or business and shall exist for the sole purpose of winding up its
corporate affairs, including the preparation and filing of any necessary tax
returns and other filings with governmental agencies.  In the event that CML
reasonably determines that the continued corporate existence of CharterMed
impairs or negatively affects the ability of CML to utilize the name
"CharterMed" for purposes of continuing the active conduct of the Business,
then, upon no less than 30 days prior written notice from CML, CharterMed, Peter
Hussey and Charles Stroller shall take whatever actions are 

                                       46
<PAGE>
 
necessary or appropriate to change its corporate name to a name that has no
similarity to the name "CharterMed";

     11.08     Board Membership.  CML will nominate, and use its best efforts to
               ----------------                                                 
cause, Peter Hussey and Charles Stroller to be elected to its board of directors
for a one year term, subject however to the right of CML to remove them from the
board as provided for under the law, in CML's sole discretion;

     11.09     Insurance Policy.  CharterMed shall purchase a policy of
               ----------------                                        
insurance to cover up to $5 million of continuing liability of the Business
arising out of its operation of the Business prior to the Closing or as
otherwise set forth in this Agreement (the "Insurance Policy").  CML shall be
named as an additional insured on the Insurance Policy.  CML shall pay one half
of the premium of the Insurance Policy up to $27,500 by including that amount in
the Purchase Price Adjustment described in Section 4.05.  CharterMed hereby
represents and warrants to CML that the policy will insure against all claims
relating to or arising out of CharterMed's operation of the Business prior to
the Closing, including but not limited to liability for all products
manufactured or in inventory at the sterilizer prior to Closing, even if sold
after the Closing; and

     11.10     Corporate Existence.  CharterMed will maintain its corporate 
               -------------------
existence in good standing under the laws of the State of New Jersey.

                                      47
<PAGE>
 
     12.       INDEMNIFICATION BY CHARTERMED.

     12.01     Indemnification Note.  In accordance with paragraph 4.02,
               --------------------                                     
$720,000 of the Purchase Price will be in the form of an Indemnification Note
for the purpose of satisfying to the extent possible, CharterMed's, obligations
if any, arising out of paragraph 12.02. On June 5, 1998, the amount of $240,000,
less any amounts payable or claimed prior to that date with respect to the
covenants, agreements, obligations, representations and warranties , will be
paid by CML to CharterMed.  On October 5, 1998, the amount of $240,000, less any
amounts payable or claimed with respect to the covenants, agreements,
obligations, representations and warranties prior to that date  will be paid by
CML to CharterMed.  On August 6, 1999, the balance of the Indemnification Note
with all interest earned, less any amounts payable or claimed prior to that date
with respect to the covenants, agreements, obligations, representations and
warranties, will be paid by CML to CharterMed.  Upon notice to CharterMed
specifying in reasonable detail the basis for such set-off, CML may set-off any
amount to which it may be entitled under this Section 12 against amounts
otherwise payable under the Indemnification Note.  The exercise of such right of
set-off by CML in good faith, whether or not ultimately determined to be
justified, will not constitute an event of default under the Indemnification
Note.  Neither the 

                                      48
<PAGE>
 
exercise of nor the failure to exercise such right of set-off will constitute an
election of remedies or limit CML in any manner in the enforcement of any other
remedies that may be available to it. If CharterMed disagrees with the set-off,
it will so notify CML within ten days of CML's notice and the matter will be
referred to Arthur Anderson for its decision as provided in Section 4.05(a); and

     12.02     Indemnification Obligation.  Subject to the conditions and
               ---------------------------                               
limitations set forth in this Agreement, CharterMed, shall defend, indemnify and
hold CML harmless from and against any and all claims, actions, suits, demands,
assessments, judgments, damages, liabilities, losses, costs or expenses
(including, without limitation, fines, penalties, punitive damages and
reasonable attorneys' fees) (collectively, "Damages") actually incurred or
suffered by CML resulting from or arising out of (a) any inaccuracy or falsehood
in any representation or any breach of warranty or nonfulfillment of any
covenant by CharterMed that is contained in this Agreement or any certificate,
document or instrument delivered to CML in connection with this Agreement, (b)
any breach or failure to perform any covenant or other agreement of CharterMed
that is contained in this Agreement, (c) any failure by CharterMed to comply
with any applicable bulk sales laws or to discharge any claims asserted against
CML under such laws, (d) any debt, liability or obligation of CharterMed not
expressly assumed by CML pursuant to this Agreement, (e) any claim for a
finder's fee 

                                      49
<PAGE>
 
or brokerage or other commission arising by reason of any services alleged to
have been rendered for or at the request of CharterMed with respect to this
Agreement and (f) any claim based on any action, transaction, condition or event
occurring or existing in connection with the Business or any of the Assets prior
to the Closing Date. "Claim" as used herein shall include without limitation any
action by a governmental authority to require the taking of an action or
performance of an act and any claim for environmental damage, product liability
or workers compensation.

     13.       INDEMNIFICATION BY CHARTER MEDICAL, LTD. Subject to the
conditions and limitations set forth in this Agreement, CML shall defend,
indemnify and hold CharterMed harmless from and against any and all Damages
actually incurred or suffered by CharterMed resulting from or arising out of (a)
any inaccuracy or falsehood in any representation or any breach of warranty or
nonfulfillment of any covenant by CML that is contained in this Agreement or any
certificate, document or instrument delivered to CharterMed in connection with
this Agreement, (b) any breach or failure to perform any covenant or other
agreement of CML that is contained in this Agreement, (c) any of the debts,
liabilities and obligations of CharterMed specifically assumed by CML pursuant
to this Agreement, and (d) any claim based on any action, transaction, condition
or event occurring or existing in connection with the Business or any of the
Assets after the 

                                      50
<PAGE>
 
Closing Date. "Claim" as used herein shall include without limitation any action
by a governmental authority to require the taking of an action or performance of
an act and any claim for environmental damage, product liability or workers
compensation.

     14.         LIMITATIONS ON INDEMNIFICATION.  The obligation of the
indemnifying party to indemnify the indemnified party set forth in Sections 12
and 13 above shall be subject to the following limitations:

     14.01     Limitation on Amount.  The indemnifying party shall be obligated
               --------------------                                            
to indemnify the indemnified party only to the extent that the amount which the
indemnified party shall be entitled to receive as indemnification shall exceed
$37,500 in the aggregate;

     14.02     Survival of Representations and Warranties. Regardless of any
               -------------------------------------------                  
investigation made by any party, each of the covenants, agreements, obligations,
representations and warranties of the parties will survive the Closing; and

     14.03     Defense of Claims.  In the event that any legal proceedings shall
               ------------------                                               
be instituted or that any claim or demand shall be asserted by any person in
respect of which indemnification may be sought from the indemnifying party under
the provisions of Sections 12 and 13 above, the indemnifying party shall have
the right, at its option and at its own expense, to be represented by counsel of
its choice and to assume the defense of, negotiate, settle or otherwise deal
with any such legal proceeding, claim or 

                                      51
<PAGE>
 
demand; provided, however, that if the liability or obligation which is the
subject matter of such claim shall arise out of a transaction or cover any
period or periods wherein the indemnified party shall be responsible for part of
any such liability or obligation, then both parties jointly shall defend,
contest, litigate, settle and otherwise deal with any such claims, each bearing
its own expenses and each choosing its own counsel. After any final judgment or
award shall have been rendered by a court, arbitration board or administrative
agency of competent jurisdiction, or a settlement shall have been consummated,
or the parties shall have arrived at a mutually binding agreement with respect
to any matter which is the subject matter of an indemnity, the indemnified party
shall forward to the indemnifying party notice of any sums due and owing by it
with respect to such matter, and the indemnifying party shall pay all of the
sums so owing, by certified or bank cashier's check, within thirty (30) days
after the date of such notice. The parties agree to cooperate fully with each
other in connection with the defense, negotiation or settlement of any such
legal proceedings, claim or demand, and will not compromise or settle any such
legal proceeding, claim or demand without the prior written consent of the other
party, which consent shall not be unreasonably withheld or delayed.

     15.       MISCELLANEOUS

                                      52
<PAGE>
 
     15.01     Bulk Transfer Compliance. CML hereby waives compliance by
               ------------------------                                 
CharterMed with the provisions of Article 6 of the Uniform Commercial Code Bulk
Transfers Laws of any state, and CharterMed warrants and agrees to pay and
discharge when due all claims of creditors which could be asserted against CML
by reason of such non-compliance.  CharterMed hereby indemnifies and agrees to
hold CML harmless from, against and in respect of (and shall on demand reimburse
CML for) any loss, liability, cost or expense, including, without limitation,
attorneys' fees, suffered or incurred by CML by reason of the failure of
CharterMed to pay or discharge such claims;

     15.02     Successors and Assigns.  All the terms and provisions of this
               -----------------------                                      
Agreement shall be binding upon, and inure to the benefit of, and be enforceable
by, the respective successors and assigns of the parties, whether so expressed
or not;

     15.03     Governing Law.  This Agreement is to be governed by and
               --------------                                         
interpreted under the laws of the State of Delaware, without giving effect to
the principles of conflicts of laws;

     15.04     Notices.  All notices, requests, consents and other
               --------                                           
communications shall be in writing and shall be mailed first class, registered,
with postage prepaid as follows:

If to CharterMed, addressed to:

     Peter Hussey
     CharterMed, Inc.
     1805 Swarthmore Avenue
     Lakewood, NJ 08701
 
     with a copy to:

                                      53
<PAGE>
 
     Charles Stroller
     CharterMed, Inc.
     1805 Swarthmore Avenue
     Lakewood, NJ 08701

If to CML , addressed to:

     Lisa Krallis-Nixon
     Charter Medical Ltd.
     3948-A Westpoint Boulevard
     Winston-Salem, NC 27103


     with a copy to:

     Mary A. Tremblay
     General Counsel and Secretary
     Lydall, Inc.
     One Colonial Road
     Manchester, Connecticut  06040

or such other address as either party may request by notice given as aforesaid.
Notice sent as provided shall be deemed filed on the date mailed;

     15.05     Payment of Expenses. CharterMed and CML shall each pay their own
               --------------------                                            
expenses, including without limitation, the disbursements and fees of all their
respective attorneys, accountants, advisors, agents and other representatives
incidental to the preparation and carrying out of this Agreement, whether or not
the transactions contemplated are consummated;

     15.06     Entire Agreement; Amendment.  This Agreement (including the
               ----------------------------                               
Schedules and Exhibits), and all other agreements and documents executed in
connection therewith constitute the entire agreement between the parties with
respect to the sale of the Business.  This Agreement supersedes all prior
agreements and/or understandings between the parties, including the non- 

                                      54
<PAGE>
 
binding letters of intent. No amendment, alteration or modification of this
Agreement shall be valid unless in each instance such amendment, alteration or
modification is expressed in a written instrument duly executed by both parties;

     15.07     Counterparts.  This Agreement including any amendments,
               -------------                                          
alterations, and/or modifications may be executed simultaneously in any number
of counterparts, each of which shall be deemed an original, but all of which
together shall constitute one and the same instrument;

     15.08     Headings.  The headings contained in this Agreement have been
               ---------                                                    
inserted for convenience of reference only and shall in no way restrict or
modify any of the terms or provisions;

     15.09     Waiver.  The failure of any party to insist, in any one or more
               -------                                                        
instances, on performance of any of the terms and conditions of this Agreement
shall not be construed as a waiver or relinquishment of any rights granted or of
the future performance of any such term, covenant or condition, but the
obligations of the parties with respect to the term, covenant or condition shall
continue in full force and effect; and

     15.10     Separability.  The provisions of this Agreement shall be deemed
               -------------                                                  
separable.  Therefore, if any part of this Agreement is rendered void, invalid
or unenforceable, the validity or enforceability of the remainder of this
Agreement shall not be affected unless the part or parts which are void, 

                                      55
<PAGE>
 
invalid or unenforceable shall substantially impair the value of the whole
Agreement to either Party.

                                      56
<PAGE>
 
     WITNESS the due execution of this Asset Purchase Agreement as of the date
first above written.

                           For and on behalf of
                           CharterMed, Inc.
 
ATTEST:__________________  By:_________________________
                              Charles Stroller
                              Vice President

                               and

                           For and on behalf of

                           CharterMed, Inc.


ATTEST:__________________  By:_________________________
                              Peter Hussey
                              President
 
                           For and on behalf of

ATTEST:                    CHARTER MEDICAL, LTD.


_____________________      By:__________________________
                              Lisa Krallis-Nixon
 
                                      57

<PAGE>
 
                                                                    EXHIBIT 13.1




                         [GRAPHIC DESIGN APPEARS HERE]




One Colonial Road
P.O. Box 151
Manchester, CT 06045-0151


+++++++++++++++++++++++++++++++++++++
+[LOGO OF LYDALL, INC. APPEARS HERE]+
+++++++++++++++++++++++++++++++++++++


+++++++++++++++++++++++++++++++++++++
+[LOGO OF LYDALL, INC. APPEARS HERE]+
+++++++++++++++++++++++++++++++++++++
<PAGE>
 
++++++++++++++++++++
+1997 ANNUAL REPORT+
++++++++++++++++++++


                         [GRAPHIC DESIGN APPEARS HERE]



+++++++++++++++++++++++++++++++++++++
+[LOGO OF LYDALL, INC. APPEARS HERE]+
+++++++++++++++++++++++++++++++++++++
<PAGE>
 
+++++++++++++++++++
+TABLE OF CONTENTS+
+++++++++++++++++++


1       Financial Highlights

2       Letter to Stockholders

7       Lydall Products

16      Directory of Lydall Companies

18      Financial Review
<PAGE>

- --------------------------------------------------------------------------------
Lydall, Inc.
- --------------------------------------------------------------------------------

Lydall possesses extensive fiber and fiber-composite knowledge as well as a
variety of proprietary manufacturing capabilities.  The Company's core
competence is designing and producing technologically advanced, unique materials
for critical, high-performance applications.

Lydall develops engineered, specialty products primarily in the areas of air and
liquid filtration, thermal barriers and insulation, and materials handling. A
customer-driven company, Lydall is known for its exceptional service, high
quality, and innovative product solutions.

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



- --------------------------------------------------------------------------------
   Financial Highlights
- --------------------------------------------------------------------------------
                                                                   Percent
                                            ------------------     Increase
   In thousands except per-share data         1997      1996      (Decrease)
- --------------------------------------------------------------------------------

   Net sales                              $244,289  $252,652             (3)
 ................................................................................
   Net income                               21,911    24,736            (11)
 ................................................................................
   Diluted earnings per common share          1.27      1.38             (8)
 ................................................................................
   Stockholders' equity                    113,030   117,844             (4)
 ................................................................................
   Stockholders's equity per share            7.04      6.89              2
 ................................................................................
   Market capitalization at December 31,   313,277   384,570            (19)
 ................................................................................
   Closing price NYSE on December 31,        19.50     22.50            (13)
 ................................................................................
   Weighted average common
   stock and equivalents outstanding        17.319    17,988             (4)
- --------------------------------------------------------------------------------

                                 1 LYDALL, INC.
<PAGE>
 
TO OUR STOCKHOLDERS AND EMPLOYEES

"Lydall embraces a four-pronged strategy to promote its growth: participation in
 expanding, dynamic markets; new product and market development; unique quality
 programs; and strategic acquisitions."


Although results for 1997 were solid, they did not keep up with the pace set in
prior years.  Lower sales and earnings in 1997 followed 12 years of consecutive
earnings increases and 6 years of sales growth.  We are dedicated to repeating
and exceeding these records in the future, and we have the means to meet this
goal.  The fundamentals of Lydall are sound, and many growth opportunities
exist, especially in our core businesses.

Lydall embraces a four-pronged strategy to promote its growth:  participation in
expanding, dynamic markets; new product and market development; unique quality
programs; and strategic acquisitions.  Although we encountered obstacles of
varying degrees in 1997, I am confident in the potential that each holds for
Lydall's future.

Lydall's Markets

Lydall's engineered materials, including specialty nonwovens, various fabricated
components, and fiberboard systems, serve a variety of markets. Our strongest
focus is in the air and liquid filtration and heat-management markets. Sales to
these markets represented 59 percent of our business in 1997.

Air Filtration

During 1997, sales of our high-efficiency air filtration materials for clean-
room applications were down approximately 10 percent from 1996, a year bolstered
by extraordinary sales levels in the first half. Erratic shipping schedules and
postponements of planned clean-room construction continued through early 1997.
We began to see increased requests for quotes and smaller clean-room contracts
coming onstream toward the end of the year; however, this market did not return
to its previous robust levels of growth.

The slowdown in sales of materials for clean-room applications was primarily
related to a decline in the semiconductor industry and the resultant
postponements of chip manufacturing clean-room fabrications. We typically lag
semiconductor market recoveries in the same manner that we lag market declines.
The lag has been more lengthy through this most recent lull. Semiconductor
industry analysts are predicting renewed growth of associated markets in 1998,
and the trend toward faster, more complex and more powerful semiconductors bodes
well for suppliers to this market,

                                 2 LYDALL, INC.
<PAGE>
 
including Lydall. Lydall's market share is solid, and as I've stated many times,
increased sales and a return to historical growth in this market is not a
question of "if", just a question of "when." 

The strength of sales of materials for other types of clean-rooms, such as those
used by pharmaceutical manufacturers, hospitals, coating and painting
operations, and research laboratories, partially offset the lackluster
semiconductor-related sales in 1997. Lydall also entered the consumer air
purification market, and our Lydair(R) filtration materials can now be found in
portable air purifiers, vacuum cleaners, and central home air cleaning systems.
In fact, in some instances, filter manufacturers have incorporated Lydall's
Certified HEPA Seal into their packaging graphics and are including Lydall's
informational pamphlet regarding filtration technology together with their
product.

Healthy prospects exist in all three arenas served by Lydall air filtration
products. We expect growth to be fueled by renewed strength of the semiconductor
industry, expanding use of clean-room environments by all kinds of industrial
and medical applications, and extensive interest by consumers in clean air in
their homes and offices.

Heat Management

Lydall supplies a wide variety of materials and components to heat-management
applications within temperatures ranging from absolute zero, or -459(degrees) F,
up to 3000(degrees) F. Sales of these products, which include cryogenic
insulation used for the storage of liquid natural gases, automotive thermal
barriers and heat-shields, and various higher temperature industrial insulating
materials, represented 37 percent of total 1997 sales. Thermal markets have been
an important source of growth for the Company in the past and will be a major
focus in the future.

Sales to these markets were down by 7 percent in 1997 compared with 1996. The
decline related primarily to the automotive market. The continuous flow of new
products being designed into vehicles and older products being designed out is a
common dynamic of this business. Normally the number of new Lydall products
being introduced far outnumbers those being phased out. However, sales of a
large insulation part lost at the end of 1996 was not replaced by new business
in 1997. Also, in mid-1997, Ford discontinued its T-Bird, Cougar, and Aerostar
models, and the popularity of the Taurus and Sable waned somewhat during the
year. Each of these models contained a number of Lydall thermal barriers and
shields.

We strongly believe that the circumstances affecting us in our automotive
markets are temporary. Automotive engineers specify our products to solve a
variety of specific heat problems throughout a vehicle. Heat management has
become a major concern of car companies as vehicle designs move toward larger
passenger cabins and smaller engine compartments. Increasingly aerodynamic lines
have resulted in components being packed into tighter spaces with less free air
flow. Stricter emission standards have translated into increasing heat issues.
Also, high-performance workhorses like trucks and sport-utility vehicles, which
create the most heat issues, have been extremely popular. These market trends
have meant increasing use of Lydall's thermal barriers and heat shields.

Of all the thermal barrier markets we serve, the automotive market holds the
most significant growth opportunities.  Our work continues with Ford, Chrysler,
and General Motors on a wide variety of cars, sport-utility vehicles, and
trucks.  We are also working on proposals with several of the European auto
manufacturers to supply their U.S.

     [BAR GRAPH APPEARS HERE]                [BAR GRAPH APPEARS HERE]  

                    OPERATING CASH                          CAPITAL 
    $ millions      FLOW - EBITDA           $ millions      INVESTMENT
93  23.9                                93   6.3
94  35.1                                94   8.0
95  45.2                                95  12.0
96  48.2                                96  10.9
97  42.3                                97  17.1

                                 3 LYDALL, INC.
<PAGE>
 
operations, as well as to expand our automobile thermal business into Europe
through joint ventures and acquisitions.

New Product and Market Development

In the Analysis of Results portion of our annual report we have always
classified annual incremental sales emanating from products and technology
introduced within the preceding three years as new in the current year. By this
definition, prior to 1997, we averaged around $8 million a year of incremental
sales attributable to new products. We did not match our historical performance
in 1997. If, however, we were to take a broader, more conventional, viewpoint,
well over $50 million of our 1997 sales were of products we did not produce five
years ago - better than 20 percent.

We targeted a great deal of effort and investment at new-product development
during the year.  A 29 percent increase in research and development spending in
1997 supported an extensive roster of programs.  Despite these initiatives and
financial support, customer program delays and market circumstances hampered
commercialization efforts during the year.


In addition to advancing development within our current product lines, we are
diversifying products into new markets,
          moving forward into fabrication in some instances, and exploring a
number of opportunities for combinations of materials from two or more of our
divisions.  For example, we extended our high-efficiency filtration products
into the consumer market.  Certain grades of our filtration materials,
previously sold only for industrial clean-room applications, are now employed in
consumer air cleaning appliances as well.

Another avenue of growth is the extension of our manufacturing and processing
technologies. We are in the midst of installing a melt-blown capability at our
Technical Papers facility. This operation produces the majority of the Company's
high-efficiency air filtration materials. The equipment is expected to be
operational early in the second quarter of 1998. The technology complements our
existing wet-laid process and opens us to new markets and applications,
particularly in liquid filtration. We also look forward to combining the
attributes of a melt-blown media with a variety of Lydall's other materials to
form composites with unique performance characteristics.

Unique Quality Programs

Our Cost of Quality Program is based on the ideal that everything should run
perfectly. Employees throughout the organization are trained to identify,
statistically measure, and track areas that need improvement with the goal of
making the Company more efficient and enabling us to produce the highest quality
products at a competitive price. This includes investment in computer systems
and plant machinery and equipment. Training and organizational programs to
increase efficiencies and improve productivity fall under this program as well.
Formal, third-party validated quality assurance programs, such as ISO9000
certification, also play an important role.

During 1997 all of Lydall Westex's plants plus its sales support office were
awarded QS9000 and ISO9002 quality assurance certification. QS9000 is an
ISO9000-based, supplier quality rating system established by the three major 
U.S. automotive manufacturers. Certification covers key elements such as
customer satisfaction, continuous improvement, emphasis on defect prevention,
and reduction of variations and waste in the supply

     [BAR GRAPH APPEARS HERE]                [BAR GRAPH APPEARS HERE]  

                    GROSS MARGIN AS                         NET
    $ millions      A PERCENT OF SALES      $ millions      SALES
93  30.8                                93  157.4
94  30.5                                94  213.1
95  30.8                                95  252.1
96  32.5                                96  252.7
97  31.8                                97  244.3


                                 4 LYDALL, INC.
<PAGE>
 
chain, all of which reflect the mandate of Lydall's own comprehensive quality
program.

At the time of our certification, only about 10 percent of the estimated 15,000
to 20,000 direct automotive suppliers had been QS9000 certified. Although the
deadlines for certification varied by automotive manufacturer, all direct
suppliers were required to be certified by the end of 1997. We were very proud
to be among the first to successfully achieve this important quality rating.

Lydall's quality programs allow us to integrate and improve acquisitions and to
continually improve existing processes and products. We strive to deliver the
same high-quality product whether it's the first shipment or the ten thousandth.
These efforts act as our road map to continually improve margins in a
deliberate, systematic way. Over the past ten years, we have captured average
savings of over $2.0 million a year under these programs.

Strategic Acquisitions

We acquired a small business in December, 1996 (Textile Technologies Industries,
Inc.) which we incorporated into the Company during 1997 as the Fort Washington
Operation of Lydall Manning. In its first year, the operation did not perform to
Lydall standards, but I expect that to change by the end of 1998. During 1997,
we discontinued many of the operation's low-margin product lines which reduced
sales. Also, the operation, which manufactures components utilized in highly
specialized, advanced structural materials for the aerospace, marine, and
sporting goods industries, needed to be relocated. The move was both time
consuming and distracting but should provide improved operating efficiencies and
productivity in future years. The move is now complete, and the plant's
efficiency has benefited already. In addition, we suffered from a severe
shortage of a type of carbon fiber needed for many of Fort Washington's high-
performance products. We are in the process of qualifying alternate sources of
carbon fiber, and we are introducing our Lydall programs as well as aggressively
pursuing some intriguing market opportunities.

We intensified our acquisition efforts during 1997.  We engaged the assistance
of investment bankers to focus specifically on filtration and automotive thermal
applications.  We also carried out an extensive in-house search initiative aimed
at filtration applications.  A similar program targeting thermal applications
began early in 1998.

Over the long term, acquisitions have represented 40 percent of Lydall's growth
and remain an important source of future expansion.

During the first quarter of 1998, Charter Medical, Ltd., a new corporate entity
established earlier in the year, acquired CharterMed, Inc., a privately held
company located in Lakewood, New Jersey. CharterMed, a growing and profitable
manufacturer of proprietary medical devices, serves applications such as biotech
and pharmaceutical processing, blood bank and transfusion services, neonatal
intensive care, open-heart surgery, and stem cell processing and freezing. These
products directly complement the Lypore(R) family of biomedical filtration media
and sub-assemblies of Lydall Westex in Hamptonville, North Carolina, and
represent Lydall's broadening presence in the market for advanced medical and
blood filtration devices. In the second quarter of 1998, Lydall will be spinning
off its biomedical filtration business into the new

     [BAR GRAPH APPEARS HERE]                [BAR GRAPH APPEARS HERE]  

                    NET                                     RETURN  
    $ millions      INCOME                  $ millions      ON SALES
93  10.2                                93   6.5
94  15.5                                94   7.3
95  22.4                                95   8.9
96  24.7                                96   9.8
97  21.9                                97   9.0

                                 5 LYDALL, INC.
<PAGE>
 
entity, Charter Medical, Ltd.  As part of this organizational change, the Westex
medical products operation will move to a new facility in Winston-Salem, North
Carolina.

Financial Position

In addition to the four areas for growth discussed above, Lydall is financially
in excellent shape.

              As of December 31, 1997, cash, cash equivalents, and short-term
investments totaled $12.8 million. This is after reinvesting $27.4 million to
purchase 1.3 million shares of Lydall Common Stock throughout the year. Working
capital was $39.2 million, total debt to total capitalization was 4 percent,
debt to equity, 4 percent, and our current ratio was 2.39. We realize that a
debt-to-capital ratio of 4 percent is an under-utilization of assets, and we are
not comfortable with that. We plan to use our healthy borrowing capacity to
acquire companies that fit our strategic focus. Using a conservative debt-to-
total-capitalization ratio of 40 percent, or a reasonable debt-to-cash-flow
ratio to maintain investment quality ratings, we could borrow from $75 million
to $125 million to finance corporate development. We would certainly consider
going above a 40-percent debt-to-total-capitalization ratio if the right
opportunity arose and feel comfortable that our earnings stream and cash flow
would provide adequate funding. Operating cash flow (operating income plus
depreciation and amortization) totaled $42.3 million in 1997.

Capital expenditures in 1997 amounted to $17.1 million. Our 1998 budget plan
calls for capital expenditures totaling $17.2 million. Expenditures related to
"Lydall 2000" amounted to about $6.6 million in 1997. Additional implementation
costs in 1998 and 1999 are expected to bring total expenditures for the project
to around $9 million. 

Lydall 2000 is a proactive information technology effort which has included
evaluating and selecting enterprisewide software and hardware that will provide
the Company with a competitive platform to last well into the next decade.
Lydall expects to complete implementation of its Lydall 2000 systems over the
next two years without any material disruption of operations. Through this
enhanced information system we will gain the benefits of improved customer
response, lower cost of delivering products and services, better internal and
external communications, and access to real-time information. Solving the
century-dating issue will be an added benefit of these extensive efforts.

1998

Many of the same market conditions and product delays that affected us in 1997
continue to be a factor early in 1998. Although we've begun the year somewhat
behind the same period last year, we are optimistic that a number of programs
currently underway will begin to benefit operating results as we move further
into 1998. Longer term, we will concentrate on harvesting the potential of the
four areas of growth I've discussed in this letter--expanding markets, new
products, internal quality programs, and acquisitions. I am confident in our
strategy and direction, and I am enthusiastic about the opportunities on the
horizon.



LEONARD R. JASKOL
Chairman and Chief Executive Officer

     [BAR GRAPH APPEARS HERE]                [BAR GRAPH APPEARS HERE]  

                    TOTAL                                   RESEARCH AND
    $ millions      CAPITALIZATION          $ millions      DEVELOPMENT SPENDING

    Debt     Equity      Total
93  13.8      60.1        73.9          93   4.8
94  13.5      76.2        89.7          94   5.5
95  10.6     101.8       112.4          95   6.2
96   9.5     117.8       127.3          96   6.8
97   5.1     113.0       118.1          97   8.7

                                6 LYDALL, INC.
<PAGE>
 
LYDALL PRODUCTS


Lydall's engineered materials and components serve a wide variety of demanding,
high-performance applications. In most cases, Lydall's products are not visible
or apparent to the general public. The following illustrations depict some
examples of where Lydall's products are employed to perform critical filtration
and heat-management functions.

                                 7 LYDALL, INC.
<PAGE>
 
CLEAN ROOMS

Lydair(R) filtration materials are specified throughout the world for filter
systems installed in the ceilings, floors, walls, workbenches, and mini-
environments of semiconductor and microchip manufacturing facilities, hospital
operating rooms, industrial clean rooms, food and pharmaceutical processing
plants, and biotechnology laboratories.

Lydall's filtration materials serve a wide range of performance efficiencies,
from 40 percent ASHRAE up to 99.999999 percent ULPA at the most penetrating
particle size -- particles as minute as one-tenth of one micron (3000 times
smaller than the period at the end of this sentence.)

                        [DRAWING APPEARS IN BACKGROUND]
<PAGE>
 
Lydall is a pioneer and a world leader in High Efficiency Particulate Arrestance
(HEPA) technology.  HEPA-standard filtration materials filter out 99.97 percent
of all contaminants as small as 0.3 micron.  These include but are not limited
to tobacco smoke, pollen, dust, dust mite allergens, mold spores, bacteria, and
other airborne allergens.  The Company's Lydair(R) filtration materials can be
found in consumer applications such as portable air purifiers, vacuum cleaners
and central home air cleaning systems.


                                HOME FILTRATION


                   [DRAWING OF HOUSE APPEARS IN BACKGROUND]
<PAGE>
 
                               AUTOMOTIVE DESIGN


Lydall's patented thermal barrier and heat-shield components provide automotive
design engineers with effective solutions to heat-management problems within
stringent space, weight and cost constraints.  Lydall products solve heat-
management issues throughout a vehicle.  Examples of applications include:
catalytic converters, exhaust systems, transmissions, floor pans, gas tanks,
fuel systems, brakes, electronic components, steering gears, and batteries.

                    [DRAWING OF CAR APPEARS IN BACKGROUND]
<PAGE>
 
Lydall's Cryotherm(R) and CRS Wrap(R) superinsulating materials insulate at
temperatures as low as absolute zero (-459(degrees) F). Applications include
tanker trucks which transport liquid gases, fleet vehicles fueled by liquid
natural gas, and other cryogenic storage vessels.

                           CRYOGENIC STORAGE VESSELS

                    [DRAWING OF TANKER TRUCK APPEARS HERE]
<PAGE>
 
LYDAL COMPANIES 

CORPORATE HEADQUARTERS
- -------------------------------------------------------------------------------

Lydall, Inc.
One Colonial Road
P. O. Box 151
Manchester, Connecticut 06045-0151
Telephone (860) 646-1233
Facsimile (860) 646-4917
Facsimile (860) 646-8847

Producer of technologically advanced engineered materials for demanding
specialty applications.

Products whose technologies are continuously being upgraded and which are sold
to niche markets.

Customer-driven, highly responsive to service, quality, and end-use
requirements.

LYDALL AXOHM
- -------------------------------------------------------------------------------
                                            President:  James P. Carolan
Saint-Rivalain
56310 Melrand
France
Telephone 33-2-97-28-5300
Facsimile 33-2-97-39-5890

Lydall Axohm produces high-efficiency air filtration media as well as thermal
barrier products.  The operation also manufactures and converts nonwoven battery
separators sold primarily to European automotive markets.

LYDALL COMPOSITE MATERIALS
- --------------------------------------------------------------------------------
                                            President:  John J. Worthington
12 Davis Street
P. O. Box 400
Hoosick Falls, New York 12090-0400
Telephone (518) 686-7313
Facsimile (518) 686-7205

Covington Operation
230 Industrial Park Road
P. O. Box 599
Covington, Tennessee 38019-0599
Telephone (901) 476-7174
Facsimile (901) 476-9685

Lydall Composite Materials manufactures high-performance specialty products
including fiber composites and fiberboard products for gasket, thermal barrier,
electrical insulation, and packaging applications. Composite Materials also
produces Cycle-Write(R) wood replacement board which is currently being used in
the manufacture of pencils both in the U.S. and overseas.


LYDALL LOGISTICS MANAGEMENT
- --------------------------------------------------------------------------------
                                            President:  Bill W. Franks, Jr.
615 Parker Street
P. O. Box 151
Manchester, Connecticut 06045-0151
Telephone (860) 646-1233
Facsimile (860) 645-0822

Logistics Management provides specialized distribution and warehouse services on
a national basis to other Lydall companies and various American, Canadian, and
European manufacturers of newsprint, specialty papers and other assorted
products.

LYDALL & FOULDS
- --------------------------------------------------------------------------------
                                            President:  Bill W. Franks, Jr.
615 Parker Street
P. O. Box 151
Manchester, Connecticut 06045-0151
Telephone (860) 646-1233
Facsimile (860) 646-4448

Lydall & Foulds produces chip, white-lined, and solid kraft paperboard used
primarily by the setup and folding box industries and is a major consumer of
recycled materials.

LYDALL MANNING
- --------------------------------------------------------------------------------
                                            President:  William J. Rankin
P. O. Box 328
Troy, New York 12181-0328
Telephone (518) 273-6320
Facsimile (518) 273-6361

Fort Washington Operation
1100 Virginia Avenue, Suite 100
Fort Washington, Pennsylvania 19034-3295
Telephone (215) 542-2433
Facsimile (215) 542-1696

Lydall Manning manufactures specialty materials and technical paper products
that offer a wide variety of performance capabilities. Manning's products are
used as cryogenic superinsulating media, thermal, flame, and electrical
barriers, and high-performance, lightweight structural composites.



                                16 LYDALL, INC.
<PAGE>
 
LYDALL SOUTHERN PRODUCTS
- --------------------------------------------------------------------------------
                                            President: Raymond J. Lanzi
3021 Vernon Road
P. O. Box 9550
Richmond, Virginia  23228-3737
Telephone (804) 266-9611
Facsimile (804) 266-3875

Jacksonville Operation
500-B North Ellis Road
Jacksonville, Florida 32254
Telephone (904) 783-1247
Facsimile (904) 783-8907

Sales Office
1300 West Lodi Avenue, Suite A9
Lodi, California 95242
Telephone (209) 333-0885
Facsimile (209) 333-0887

Lydall Southern Products produces laminated fiberboard sheets which replace wood
pallets in materials-handling applications. These operations also make bulk
palletizing tier sheets used in the shipping and storing of products like glass
bottles and a variety of protective dunnage products used in the shipping
industry.


LYDALL TECHNICAL PAPERS
- --------------------------------------------------------------------------------
                                          President:  James P. Carolan
Chestnut Hill Road
P. O. Box 1960
Rochester, New Hampshire 03866-1960
Telephone (603) 332-4600
Facsimile (603) 332-9602
Facsimile (603) 332-3734

Lydall Technical Papers manufactures air filtration media serving a wide range
of performance efficiencies, from 40 percent ASHRAE up to 99.999999 percent ULPA
at the most penetrating particle size.  The operation also manufactures thermal
barrier materials for use in high-temperature applications and liquid filtration
media used primarily in high-efficiency, high-capacity hydraulic oil and
lubrication oil elements for off-road vehicles, trucks, and heavy machinery.



LYDALL WESTEX
- --------------------------------------------------------------------------------
                                          President:  Christopher R. Skomorowski
Brooks Crossroads
P. O. Box 109
Hamptonville, North Carolina 27020
Telephone (910) 468-8522
Facsimile (910) 468-8555

Columbus Operation
6767 Huntley Road
Columbus, Ohio 43229
Telephone (614) 885-6379
Facsimile (614) 885-5967

Rockwell Operation
711 Palmer Road
Rockwell, North Carolina 28138
Telephone (704) 279-5031
Facsimile (704) 279-6104

Sales Office
4555 Investment Drive
Suite 205
Troy, Michigan 48098
Telephone (248) 952-5570
Facsimile (248) 952-5575

Lydall Westex is a leader in the automotive heat-management field.  Westex makes
a range of patented thermal barrier and heat-shield products for mid-to-high-
temperature applications throughout a vehicle.


LYDALL INTERNATIONAL, INC.
- --------------------------------------------------------------------------------

Saint-Rivalain
56310 Melrand
France
Telephone 33-2-97-28-8989
Facsimile 33-2-97-28-8980

Branch Office
Comodo Nishi-Azabu Building
25-22, Nishi-Azabu 2-Chome
Minato-ku, Tokyo 106 Japan
Telephone 81-3-3406-1575/6
Facsimile 81-3-3406-1577

An international sales and marketing arm of all Lydall Companies.



LYDALL ON-LINE
- --------------------------------------------------------------------------------
[email protected]                             www.lydall.com


                                17 LYDALL, INC.
<PAGE>
 
FINANCIAL REVIEW

19      Analysis of Results                             

28      Key Financial Items                             

29      Income Statements                               

30      Balance Sheets                                  

32      Statements of Cash Flows                        

33      Statements of Changes in Stockholders' Equity   

34      Notes to Consolidated Financial Statements      

44      Report of Independent Accountants               

44      Management's Report                             

45      Five-Year Statistical Review                    

46      Officers, Directors, and Stockholder Information 
<PAGE>
 
Sales

Overview

Sales in 1997 declined by 3 percent to $244.3 million from $252.7 million in
1996.  The net sales change was a function of several factors:

- -- Acquisition of a specialty materials company increased sales by $9.8 million.

- -- Internal marketing actions resulted in a net sales decrease of $13.0 million.

- -- External forces reduced sales by $5.2 million.

The acquisition in late 1996 of the Fort Washington Operation, formerly known as
the Hatboro Operation, resulted in $9.8 million of additional sales in 1997.
Acquisition effects in 1996 and 1995 included the incremental sales of the
Columbus and Jacksonville Operations.  These two businesses were acquired in
1994.

Internal marketing actions and external forces produced a combined negative
impact of $18.2 million in 1997.  In 1996, these two factors largely offset each
other.  During 1995, major internal marketing efforts resulted in most of the
large increase in sales recorded in that year.

Acquisitions

For analytical purposes, Lydall isolates the impact of acquisitions for three
years, after which time the business is considered to be fully integrated into
Lydall's operations.

Lydall began operating the Fort Washington Operation at the beginning of 1997.
Acquisition of this business marked Lydall's entry into the specialty woven
fiber materials market. Lydall relocated the operation to a new facility late in
1997 to provide more efficient operating conditions and product flow. This
business was severely impacted by shortages of critical raw materials, which
hampered sales efforts. Initiatives to qualify additional raw material sources
are underway, although progress has been difficult in the face of strong demand
for the same raw materials by larger manufacturers in the aerospace industry.

During 1996, the Columbus and Jacksonville Operations produced modest additional
growth of $900 thousand, compared with incremental sales of $8.6 million in
1995.  Results from these businesses were included with all other Lydall
operations in 1997.

Internal Marketing Actions

Normally a source of revenue growth, internal marketing actions resulted in a
net revenue drop of $13.0 million in 1997.  Price decreases, which were the
largest factor, amounted to $7.9 million. A large portion of the price decreases
related to the materials-handling business.  Internal marketing actions resulted
in net gains of $9.5 million in 1996 and $33.0 million in 1995.

Incremental new-product sales were $2.4 million in 1997, following $11.8 million
in 1996 and $17.6 million in 1995.  Despite record spending for product
development on major new initiatives in 1997, commercialization did not meet
Company objectives.  Efforts in filtration and thermal applications have been
extensive, and prospects for increased new-product sales are positive for later
in 1998.  Sales of all-metal insulating shields to the domestic automotive
industry, a major contributor in 1996, increased again in 1997.  Lydall launched
a concerted effort to penetrate the European market for these products during
1997 by pursuing acquisition possibilities and focusing on discrete product-
development opportunities and potential production joint ventures.  These latter
efforts are expected to generate sales in 1998.

Market-share losses offset gains in 1997 resulting in a net sales reduction of
$1.4 million.  Losses occurred primarily in the automotive market and were
related to Ford's discontinuing three models that contained Lydall's thermal
barriers in mid-1997 and the loss of a major part supplied to Chrysler at the
end of 1996. Gains were

                               19  LYDALL, INC.
<PAGE>
 
ANALYSIS OF RESULTS
continued



made in the materials-handling and transportation markets to partially offset
losses.  The net loss of market share in 1997 followed net gains of $1.5 million
in 1996 and $5.4 million in 1995.  Gains in 1996 and 1995 occurred predominantly
in automotive heat-management products and high-efficiency air filtration
markets.

The Company discontinued $6.1 million of product sales in 1997 compared with
$2.8 million in 1996 and $3.1 million in 1995.  The higher than normal level of
product discontinuations in 1997 included exiting some low-margin products,
primarily outside of Lydall's focus of thermal and filtration, and the
discontinuation of a unique flame barrier supplied to the office-panel market.

Net pricing actions in 1997 caused revenues to drop by $7.9 million.  For the
third consecutive year, Lydall's materials-handling business drove net pricing
actions.  Over the long term, raw-material costs and selling prices in this
market move in a relatively similar manner.  Linerboard costs, the principal raw
material, stabilized after weakness early in the year.  However, an extremely
competitive environment evolved, and average selling prices declined.  Lydall's
equally aggressive response resulted in record unit volumes in the materials-
handling business for the year.

In 1997 and 1996, selling prices of materials-handling systems declined,
offsetting significant price increases which were instituted in 1995 in response
to rapidly rising raw material costs. In 1996, prices decreased by a net $1.0
million, following increases in 1995 totaling $13.1 million. In 1995, a year
characterized by severe commodity inflation, Lydall was able to pass most of its
raw-material increases on to customers.

External Market Forces

Lydall defines external market forces as the effects of economic and market
changes beyond the influence of management, including the effects of market
decay and foreign exchange.  In 1997, external forces reduced revenues by a net
$5.2 million.  The major portion of this reduction resulted from the loss of
certain automotive thermal business to lower performance solutions.  Shorter
product life-cycle trends, particularly evident in domestic automotive markets,
also impacted other Lydall businesses, although to a much lesser extent.
Offsetting these factors were the net positive effect of the economy plus market
growth, which increased sales by $6.1 million in 1997.

In 1996, external forces reduced sales by a net $9.8 million.  The Company was
affected by market decay in leaf-type battery separators sold in Europe; loss of
certain heat shields; and the increased reuse of a particular materials-handling
product by customers.

During 1995, external effects resulted in a revenue drop of $2.6 million. Strong
growth in filtration and thermal product markets and other factors were offset
by decay in mature markets such as footwear.

Currency changes have traditionally had a minimal effect on Lydall.  In 1997,
weaker currencies in relation to the U. S. dollar resulted in a $2.2 million
reduction in sales.   Most of this reduction related to European sales.  The
Asian currency crisis arising late in the year had no material impact on sales.
The effect of foreign currency in 1996 and 1995 was not material.

- -------------------------------------------------------------
STATEMENTS OF CHANGES IN SALES
- -------------------------------------------------------------
In millions                           1997     1996     1995
- -------------------------------------------------------------
Prior year's net sales              $252.7   $252.1   $213.1
- -------------------------------------------------------------
Acquisitions                           9.8       .9      8.6
Internal marketing actions           (13.0)     9.5     33.0
External market forces                (5.2)    (9.8)    (2.6)
- -------------------------------------------------------------
Total change                          (8.4)      .6     39.0
- -------------------------------------------------------------
Current year's net sales            $244.3   $252.7   $252.1
- -------------------------------------------------------------


                               20  LYDALL, INC.
<PAGE>
 
Gross Margin


Overview

Gross margin declined to $77.6 million, or 31.8 percent of sales, in 1997. This
compares with gross margin of $82.1 million, or 32.5 percent of sales, in 1996,
and $77.7 million, or 30.8 percent of sales, in 1995.  Margins were
significantly affected by lower sales volume and the net effect of price
decreases, which were only partially offset by cost decreases from vendors.
Companywide cost-reduction programs continued to have a positive impact on gross
margin.  The Fort Washington Operation produced modest incremental gains in
gross margin but lowered Lydall's average gross margin as a percent of sales by
approximately one percentage point.

In 1996, gross margin gains came from improvements in the Columbus and
Jacksonville Operations acquired in 1994.  Over time, management expects to see
a similar pattern develop at the Fort Washington Operation where volume,
efficiencies, and quality programs are currently being implemented.  Cost
reductions under Lydall's Cost of Quality Program also contributed positively to
gross margin in 1996, as did the net positive effect of price increases in
relation to cost increases.

Improvements in gross margin in 1995 were largely due to increased sales volume
from new products, market-share gains, and the impact on production costs from
the Cost of Quality Program.

Acquisitions

Lydall's Fort Washington Operation experienced many operating difficulties in
1997.  Gross margin of $700 thousand, or 7 percent of the operation's sales, was
depressed for several reasons.  Critical raw materials were in extremely short
supply, which caused inefficient production scheduling and an inability to meet
customer demand.  As mentioned under Sales, initiatives are underway to
alleviate the problem.

For the years 1995 and 1996, acquisitions added $1.3 million and $2.2 million,
respectively, to consolidated gross margin totals.  These improvements were
caused by the second- and third-year effects of Lydall's operating culture on
the Columbus and Jacksonville facilities acquired in 1994.  During the first
year of ownership by Lydall, major process changes were instituted along with
improved management techniques.  This has been a typical pattern.  The immediate
results from acquisitions tend to be negative as local management implements the
changes, gradually turning to meaningful positive results in later years.

Effects of Changes in Sales Volume

Sales volume (excluding the effects of acquisitions and pricing actions)
declined in 1997, resulting in a drop in gross margin of $5.2 million.  Loss of
operating leverage related to our products being designed out of certain
applications and the discontinuation of various products more than offset the
benefits of a stronger worldwide economy and market growth for many of Lydall's
products.

The dynamics in 1996 were similar, although less significant in their impact on
gross margin.  A slight decline in sales volume caused a drop in gross margin of
approximately $1.0 million.  This was mainly attributable to the transfer of
filtration media production to France, where manufacturing efficiencies did not
reach those achieved domestically.

In 1995, a large volume increase produced incremental gross margin of $6.9
million.  Improvements came from a surge of new-product growth in heat-
management materials and air filtration media.

Price Increases in Relation to Cost Increases

Net pricing actions eroded gross margins by $3.5 million.  As described under
Sales, a large portion of the impact emanated from pricing issues in the
materials-handling business.  While percentage margins declined only modestly in
this business, the competitive environment forced Lydall to absorb some
incremental



                               21  LYDALL, INC.
<PAGE>
 
ANALYSIS OF RESULTS
continued



vendor-imposed costs without the ability to pass these costs along to customers.
The thermal barrier business was not immune either, and price concessions were
necessary in several of these markets.

In 1996, net pricing actions resulted in a $2.2 million increase in gross
margins as costs declined in relation to relatively stable revenues. A net
surplus of $900 thousand was generated in 1995 when the Company aggressively
raised prices in a period of rapidly increasing raw material prices.

Cost Reductions

Cost-reduction programs were an important element in maintaining a healthy gross
margin ratio in 1997.  The net impact on margins was positive $2.4 million.  The
Company's Comprehensive Quality Program, also known as Cost of Quality,
continued to produce impressive results in improving production efficiencies and
reducing costs.  In addition to process-related improvements at many plants,
initiatives to reformulate certain products to achieve improved quality and
lower costs were very successful. Strategically focused capital spending helped
to produce additional improvements at Manning and Composite Materials. Westex's
automotive thermal barrier operations produced especially positive results.  Net
savings in 1996 were $2.9 million, following record savings of $3.7 million in
1995.

Inventory Effects

Gross margins are affected by inventory write-offs, changes in FIFO inventory
levels, as well as increases or decreases in LIFO reserves.  In 1997, these
combined effects produced a negligible net effect.  This compares with effects
in 1996 of a positive $300 thousand and in 1995 of a negative $500 thousand.

Other Effects

Other effects, including depreciation expense, changes in fixed overhead, and
product-mix changes increased gross margins by $1.1 million.  This compares with
a decrease of $2.2 million in 1996 and an increase in 1995 of $500 thousand.

- -----------------------------------------------------------------------
STATEMENTS OF CHANGES IN GROSS MARGIN
- -----------------------------------------------------------------------
$ millions                                        1997    1996    1995
- -----------------------------------------------------------------------
Prior year's gross margin                        $82.1   $77.7   $64.9
- -----------------------------------------------------------------------
Acquisitions                                        .7     2.2     1.3

Effects of changes in sales volume                (5.2)   (1.0)    6.9
Price increases in relation to cost increases     (3.5)    2.2      .9
Cost reductions                                    2.4     2.9     3.7
Inventory effects                                    -      .3     (.5)
Other effects                                      1.1    (2.2)     .5
- -----------------------------------------------------------------------
Total change                                      (4.5)    4.4    12.8
- -----------------------------------------------------------------------
Current year's gross margin                      $77.6   $82.1   $77.7
- -----------------------------------------------------------------------
As a percent of net sales                         31.8    32.5    30.8
- -----------------------------------------------------------------------




                               22  LYDALL, INC.
<PAGE>
 
Pretax Income


Overview

Pretax income declined to $34.5 million in 1997 from $39.9 million in 1996, a
decrease of 14 percent.  This compares with increases of 8 percent in 1996 and
39 percent in 1995.  In 1997, lower sales volume and a negative cost/price
relationship, which created a drop in gross margin, caused much of the decline
in pretax income.  Also, the net impact of the Fort Washington Operation was
modestly negative.

For the years of 1996 and 1995, pretax income rose by $3.0 million and $10.4
million, respectively.  Increases were driven by cost-reduction programs and
acquisitions in those two years, while 1995 also benefited from strong internal
sales and margin growth.

Acquisitions

The Fort Washington Operation generated a pretax operating loss of $700 thousand
in 1997.  This newly acquired entity is expected to show improving results
during 1998 and later years.  The Columbus and Jacksonville operations, which
were no longer classified as acquisitions in 1997, contributed incremental
pretax income of $1.6 million in 1996 and $600 thousand in 1995.  Both of those
acquisitions took over a year to begin generating meaningful incremental
profits.  This timetable tracks Lydall's experience with other acquired
operations, and management looks forward to achieving similar improvements at
the Fort Washington Operation.

Operations

Pretax earnings from operations other than acquisitions were $5.4 million lower
in 1997 than in 1996. Lower gross margins coupled with increased selling,
product development, and administrative spending resulted in the decreased
profits. Lydall increased its long-term investment in new-product development, a
major component of the spending increase. These expenditures are expected to
provide a solid foundation for future growth.

Existing operations generated a $900 thousand increment to pretax income in
1996.  During that year, cost reductions and efficiency improvements were key to
creating a small increase in gross margin.  In 1995, operating leverage from
higher sales combined with record savings from Cost of Quality initiatives at
existing operations produced an $8.3 million increase in pretax income.

Other income and expense improved by $400 thousand in 1997.  Management assessed
environmental risks at one facility and, based on positive factors that
indicated a declining exposure, reduced reserves sufficiently to create the
positive swing.  This was offset by write-offs of fixed assets companywide.
Other expenses declined by $200 thousand in 1996 following a decrease of $600
thousand in 1995.

Investments and Financing

Nonoperating investment income and financing costs combined to increase pretax
income by $700 thousand in 1997 over 1996 levels.  Despite investment balances
that declined steadily over the course of the year, investment income increased
due to a greater concentration of investments in strong domestic equity markets.
The Company does not expect to generate this increased level of investment
income in 1998 as cash balances will continue to be drawn down to fund capital
projects, the repurchase of Lydall Common Stock, and acquisitions. Interest
expense declined by $100 thousand as already low debt levels declined further.
In 1996, investment income increased by $300 thousand while interest expense
declined by $200 thousand. In 1995, investment income surged by $900 thousand as
cash balances grew substantially in a year with moderate capital spending and no
stock repurchase activity. Interest expense declined by $600 thousand in 1995.



                               23  LYDALL, INC.
<PAGE>
 
ANALYSIS OF RESULTS
continued

- ---------------------------------------------------------------- 
STATEMENTS OF CHANGES IN PRETAX INCOME
- ----------------------------------------------------------------- 
In millions                                1997    1996     1995
- ----------------------------------------------------------------- 
Prior year's pretax income                $39.9   $36.9    $26.5
- ----------------------------------------------------------------- 
Acquisitions - change in:
  Gross margin                               .7     2.2      1.3
  Selling, product development,
        and administrative expenses        (1.4)    (.6)     (.7)
- ----------------------------------------------------------------- 
Total change from acquisitions              (.7)    1.6       .6
- ----------------------------------------------------------------- 
Operations - change in:
  Gross margin                             (5.2)    2.2     11.5
  Selling, product development,
        and administrative expenses         (.6)   (1.5)    (3.8)
  Other income/expense                       .4      .2       .6
- ----------------------------------------------------------------- 
Total change from operations               (5.4)     .9      8.3
- ----------------------------------------------------------------- 
Nonoperating investments and
  financing - change in:
  Investment income                          .6      .3       .9
  Interest expense                           .1      .2       .6
- ----------------------------------------------------------------- 
Total change from nonoperating
  investments and financing                  .7      .5      1.5
- ----------------------------------------------------------------- 
Total change                               (5.4)    3.0     10.4
- ----------------------------------------------------------------- 
Current year's pretax income              $34.5   $39.9    $36.9
- ----------------------------------------------------------------- 

Accounting Standards

In 1998, the Company will adopt Statement of Financial Accounting Standards No.
130, No. 131, and No. 132, "Reporting Comprehensive Income," ("SFAS 130"),
"Disclosures about Segments of an Enterprise and Related Information," ("SFAS
131"), and "Employers' Disclosures about Pensions and Other Postretirement
Benefits," ("SFAS 132"), all of which are effective for fiscal years beginning
after December 15, 1997.

SFAS 130 requires an enterprise to classify items of other comprehensive income
by their nature in a financial statement and display the accumulated balance of
other comprehensive income separately from retained earnings and additional
paid-in capital.  Lydall will adopt SFAS 130 effective for the first quarter
ending March 31, 1998.  There will be no effect on the Company's consolidated
financial position, results of operations, or cash flows.

SFAS 131 requires that a public business enterprise report financial and
descriptive information about its reportable operating segments.  SFAS 131 is
based on the management approach to segment reporting and includes requirements
to report selected segment information quarterly and to include entitywide
disclosures about products and services, major customers, and the countries in
which the entity holds material assets and reports revenues.  The Company
currently reports under one segment and is evaluating the impact of the


                               24  LYDALL, INC.
<PAGE>
 
disclosure requirements.  SFAS 131 may require Lydall to disclose more than one
segment. The Company will adopt SFAS 131 effective for the year ending December
31, 1998.  There will be no effect on the Company's consolidated financial
position, results of operations, or cash flows.

SFAS 132 revises employers' disclosures about pension and other postretirement
benefit plans.  The Company will adopt SFAS 132 effective for the year ending
December 31, 1998.  There will be no effect on the Company's consolidated
financial position, results of operations, or cash flows.


Forward-Looking Statements

Lydall, Inc. desires to take advantage of the "Safe Harbor" Provisions of the
Private Securities Litigation Reform Act of 1995.  In addition to economic
conditions and market trends, the Company considered the following market
circumstances in determining any forward-looking statements made in its 1997
Annual Report and Form 10-K for the fiscal year ended December 31, 1997.

A Major Downturn of the U. S. Automotive Market.  Although Lydall's automotive
sales are not solely contingent on the strength of the automotive market, a
significant downturn of the U. S. automotive industry could have a substantial
impact on Lydall's results.  The Company can also be affected when automotive
manufacturers discontinue production of specific models that contain Lydall's
products, as happened at Ford in mid-1997.  On the other hand, Lydall benefits
from the introduction of new models.  Twenty-six percent of Lydall's total sales
in 1997 were to the U. S. automotive market, excluding aftermarket sales.
Lydall's primary automotive products are thermal barriers and heat shields
employed both inside and outside of vehicles.  Most of Lydall's products are
supplied to meet unique, niche applications.  There is no direct correlation
between the number of Lydall parts on a vehicle and the number of units built,
as with tires or steering wheels for example.  Slight fluctuations in U. S.
automotive production have relatively little effect on Lydall's business;
however, a major downward shift could prevent Lydall from achieving its
projected results.

A Significant Change in the Number of Clean Rooms Being Built.  Lydall's high-
efficiency air filtration business is linked to the fabrication of clean rooms
around the world. In 1995 and early 1996, the demand for these air filtration
materials was the strongest the Company had ever seen. Since then the demand
curve has leveled. This slowdown was related primarily to the semiconductor
industry. The Company estimates that about one-third of its total high-
efficiency air filtration sales are to semiconductor related clean rooms.
Various independent industry-published forecasts project excellent long-term
growth for clean-room fabrications in general. Lydall relies on these forecasts,
feedback from its filtration customers, and other market intelligence sources
for forward-looking information. Lydall's outlook is based in part on the
renewed strength of this market; however, if a significant market decline were
to occur, it would have a negative impact on Lydall's results.

Raw-Material Pricing and Supply.  Raw-material pricing and supply issues affect
all of Lydall's businesses and can influence results in the short term. Pricing
fluctuations, however, particularly impact the Company's materials-handling
business. These products are made from laminated virgin kraft paperboard, also
known as linerboard. In 1995, costs of linerboard were extremely high, and
Lydall, in turn, raised prices, partially accounting for the higher than average
sales growth in that year. In 1996, as raw-material costs declined, Lydall
reduced prices. Linerboard prices began to rise slightly in mid-1997, and Lydall
instituted a price increase on its products in the third quarter of the year.
The materials-handling business is unique for Lydall because it is the one area
where the market pushes for price reductions that directly track decreases in
raw materials and accepts price increases in the face of higher raw-material
costs. Thus, significant changes in the pricing of linerboard directly affect
this portion of Lydall's business.



                               25  LYDALL, INC.
<PAGE>
 
ANALYSIS OF RESULTS
continued



Liquidity and Capital Resources


Liquidity Overview

Lydall used a strong beginning balance sheet and free cash flow from operations
to fund an aggressive capital investment plan and to purchase 1.3 million shares
of Lydall stock for $27.4 million in 1997.  The Company ended 1997 with $8.9
million in cash and cash equivalents, as well as $3.9 million in short-term
investments.  Stockholders' equity decreased by $4.8 million as treasury share
purchases exceeded net income and stock option proceeds.  These changes will
have little impact on Lydall's financial capacity to complete future strategic
acquisitions.

In December 1996, Lydall acquired Textile Technologies Industries, Inc., now
part of Lydall Manning as its Fort Washington Operation. The Company paid $2.0
million in cash at closing and issued an $8.0 million note which was paid on
January 2, 1997. A $1.75 million note was also issued payable through 1998.

The Year 2000 Issue

Lydall has proactively addressed the year 2000 issue by evaluating and selecting
enterprisewide software and hardware that will provide the Company with a
competitive information technology platform to last well into the next decade.
This program is referred to as "Lydall 2000."  During 1995 and 1996, plans were
developed and put in place to meet the Company's future information needs.
Lydall expects to complete implementation of new systems within the next two
years and to avoid any disruption of operations. In fact, an enhanced
information technology capability is expected to provide the benefits of
improved customer response, lower cost of delivering products and services,
enhanced internal and external communications, and access to real-time
information. Solving the century dating issue will be another benefit of these
extensive efforts. The Company is assessing the impact of Year 2000 compliance
by its suppliers and customers and the potential affect, if any, on the
Company's operations.

Capital expenditures in 1997 for Lydall 2000, including the majority of
necessary software and hardware outlays, amounted to $6.6 million.  Including
additional implementation costs to be expended in 1998 and 1999, total capital
outlays for Lydall 2000 are expected to be approximately $9 million.  These
additional expenditures in 1998 and 1999 will have a minimal effect on Lydall's
liquidity and capital resources.

Cash Flow Overview

Cash flow from operating activities was $23.8 million in 1997. The major
investing activity was a $17.1 million capital expenditure program in 1997.
Lydall's purchase of $27.4 million worth of its common stock represented the
Company's most significant financing activity.  In addition, the $8.0 million
short-term note payable on the Textile Technologies acquisition was repaid early
in 1997.

During 1996, cash flow from operating activities was a record $36.9 million, due
to record net income and better working capital management.  Capital
expenditures amounted to $10.9 million, and the Company purchased $10.3 million
of its Common Stock.  The net effect was a large increase in liquid assets
during the year.

In 1995, cash flow from operating activities reached $25.8 million.  Net income
and non-cash charges were somewhat offset by increased working capital
productivity.  Strong sales growth increased receivables at year-end, and
inventory costs were inflated by high commodity costs.  Investing activities
included moderate capital spending of $12.0 million.  Financing activities
included scheduled payments under the existing long-term note agreement.

Working Capital Productivity

Lydall measures working capital turnover to evaluate the utilization of short-
term operating resources.  Working capital productivity is defined as annual
sales divided by the quarterly average of all receivables and inventory, less
accounts payable.  Inventory turnover receives particular attention at Lydall
operations.  Although inventory turnover had improved steadily moving from 6.6
times in 1991 to 11.8 times and 11.1 times in 1996 and 1995,


                               26  LYDALL, INC.
<PAGE>
 
respectively, it dropped to 10.6 times in 1997.  Much of the decline this past
year came from the Fort Washington Operation which maintains higher working
capital levels than other Lydall plants.  Management expects to improve working
capital turnover at the Fort Washington Operation in the future.

The Company has demonstrated improved use of short-term operating resources for
many years.  Working capital productivity measured 7.6 times in 1997, 8.2 times
in 1996, and 7.4 times in 1995 compared with 5.2 times in 1991.

- -------------------------------------------------------------
$ millions                             1997     1996    1995
- -------------------------------------------------------------
Net Sales                            $244.3   $252.7  $252.1
Average working capital                32.3     30.7    34.2
Working capital productivity            7.6      8.2     7.4
Percent change from previous year        (8)      12       3
- -------------------------------------------------------------

Future Cash Requirements

Cash requirements for 1998 will include the funding of ongoing operations,
capital expenditures, purchase of Lydall Common Stock as conditions permit, and
acquisitions. At January 1, 1998, the Company had remaining authorization to
purchase up to an additional 487,321 shares of its Common Stock.

Early in 1998, a Lydall subsidiary funded the capitalization of Charter Medical,
Ltd.  On February 6, 1998, this separate corporate entity acquired CharterMed,
Inc., a privately held company located in Lakewood, New Jersey, for $6.6 million
in cash and a note for $720 thousand, payable through 1999. CharterMed is a
growing and profitable manufacturer of proprietary medical devices serving
applications such as biotech and pharmaceutical packaging, blood bank and
transfusion services, neonatal intensive care, operating room/perfusion, and
stem cell processing and freezing.

The 1998 capital expenditure forecast is $17.2 million.  Expenditures will be
concentrated on upgrading existing production capability at all of Lydall's
operations, including a capacity expansion at Technical Papers to produce melt-
blown media.  In addition, implementation costs of Lydall 2000 are budgeted for
1998.

Management expects to finance capital expenditures and ongoing operating cash
requirements from cash on hand and cash generated from operations.  Acquisitions
of operating companies and Lydall Common Stock may require Lydall to utilize
existing credit facilities or to negotiate additional credit capacity.

Credit Arrangements

Lydall maintains domestic and foreign credit arrangements totaling over $25
million, the majority of which are renewed annually.  Lydall primarily pays
interest at the lower of prime or money market rates and compensates its banks
for services on a fee basis.  At December 31, 1997 and 1996, no amounts were
outstanding on domestic or foreign lines of credit.

Capital Structure

Lydall continued to produce cash flow from operating activities well in excess
of capital spending needs. The Company has reduced its long- and short-term
indebtedness to $5.1 million and concluded 1997 with cash and investments of
$12.8 million. Since 1991, Lydall has acquired five operating companies, in
effect, for cash. In the past two years, Lydall has also acquired approximately
$38 million of Lydall Common Stock without needing to borrow funds.

Acquisition searches are underway in Lydall's core markets of filtration and
heat management.  Lydall's resources to complete strategic acquisitions are
considerable.  Borrowing capacity can be measured in various ways.  Using a
debt-to-capitalization target of 40 percent or a reasonable debt-to-cash-flow
ratio that would maintain investment quality ratings, Lydall could borrow
between $75 million and $125 million to finance corporate development.  This
range is based on Lydall's current cash flow. Depending on the acquisition, the
addition of an acquired company's cash flow could provide additional debt
capacity. Management is willing to stretch these targets in the short-term to
finance a compelling business combination.



                               27  LYDALL, INC.
<PAGE>
 
KEY FINANCIAL ITEMS



Cash and Cash Equivalents   Cash and cash equivalents decreased to $8.9 million
in 1997 from $38.2 million in 1996.

Short-term Investments   Lydall invests in equities and other highly liquid
investments with maturities greater than three months at the time the
investments are made. The Company had short-term investments of $3.9 million and
$4.9 million at December 31, 1997 and 1996, respectively.

Receivables   Receivables were $32.2 million in 1997 and $34.0 million in 1996,
of which trade receivables were $31.9 million and $32.7 million for 1997 and
1996, respectively.  Days of sales outstanding in trade receivables were 51 in
1997 and 50 in 1996.  Foreign and export sales were approximately 19 percent of
total sales in 1997, 21 percent in 1996, and 22 percent in 1995.  These sales
are concentrated primarily in Europe, the Far East, Mexico, and Canada.

Inventories   Inventories were $15.5 million at December 31, 1997 and $14.7
million at December 31, 1996, net of LIFO reserves of $1.2 million and $1.7
million at the end of 1997 and 1996, respectively.

Working Capital   Working capital decreased to $39.2 million on December 31,
1997 from $53.4 million on December 31, 1996.  The ratio of current assets to
current liabilities increased to 2.39 from 2.24.

Capital Asset Expenditures   Capital asset expenditures were $17.1 million in
1997, $10.9 million in 1996, and $12.0 million in 1995. Depreciation was $8.0
million in 1997, $7.8 million in 1996, and $7.1 million in 1995. The Company's
1998 Capital Plan calls for commitments of $17.2 million with spending focused
on the following areas: process improvements that lower the Company's Cost of
Quality; capacity to produce melt-blown media; and Lydall 2000, a companywide
upgrade of information technology. Expenditures in 1998 are expected to be
financed from existing cash balances or cash generated from operations.

Debt to Total Capitalization   Debt to total capitalization decreased to .04 in
1997 from .13 in 1996.

Common Stockholders' Equity   Common stockholders' equity decreased to $113.0
million at December 31, 1997, a decrease of 4 percent from $117.8 million at
December 31, 1996.  On a per-share basis, common stockholders' equity increased
to $7.04 at December 31, 1997 from $6.89 at December 31, 1996.

Dividend Policy   The Company does not pay a cash dividend on its Common Stock
and does not anticipate doing so for the foreseeable future. Cash will be
reinvested into core businesses which should continue to earn Lydall
stockholders an excellent overall long-term return on their investment.

Research and Development   Research and development investments were $8.7
million in 1997, $6.8 million in 1996, and $6.2 million in 1995.



                               28  LYDALL, INC.
<PAGE>
 
INCOME STATEMENTS


- --------------------------------------------------------------------- 
In thousands except per-share data   
For the years ended December 31,          1997       1996        1995
- ---------------------------------------------------------------------
Net sales                             $244,289   $252,652    $252,128

Cost of sales                          166,648    170,597     174,430
- --------------------------------------------------------------------- 
Gross margin                            77,641     82,055      77,698

Selling, product development,
  and administrative expenses           44,888     42,778      40,668
- --------------------------------------------------------------------- 
Operating income                        32,753     39,277      37,030
- --------------------------------------------------------------------- 
Other (income) expense:
  Investment income                     (1,986)    (1,389)     (1,113)
  Interest expense                         368        518         778
  Other                                    (82)       294         490
- --------------------------------------------------------------------- 
                                        (1,700)      (577)        155
- --------------------------------------------------------------------- 
Income before income taxes              34,453     39,854      36,875

Income tax expense                      12,542     15,118      14,437
- --------------------------------------------------------------------- 
Net income                            $ 21,911   $ 24,736    $ 22,438
- --------------------------------------------------------------------- 
Basic earnings per common share       $   1.31   $   1.44    $   1.30

Weighted average common stock 
  outstanding                           16,692     17,140      17,263
- --------------------------------------------------------------------- 
Diluted earnings per common share     $   1.27   $   1.38    $   1.23

Weighted average common stock and 
  equivalents outstanding               17,319     17,988      18,197
- --------------------------------------------------------------------- 

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


                                29  LYDALL, INC.
<PAGE>
 
BALANCE SHEETS

 
- -------------------------------------------------------------------
In thousands except share data   December 31,        1997      1996
- -------------------------------------------------------------------
Assets

Current assets:

Cash and cash equivalents                        $  8,891  $ 38,226

Short-term investments                              3,873     4,941

Accounts receivable (less allowance for
 doubtful receivables of $1,381 in 1997 
 and $1,727 in 1996)                               32,203    33,953

Inventories:
 Finished goods                                     6,243     5,965
 Work in process                                    2,867     3,712
 Raw materials and supplies                         7,600     6,743
 LIFO reserve                                      (1,172)   (1,740)
- -------------------------------------------------------------------
Total inventories                                  15,538    14,680
- -------------------------------------------------------------------
Taxes receivable                                    2,032         -

Prepaid expenses                                    1,314       959

Deferred tax assets                                 3,586     3,612
- -------------------------------------------------------------------
Total current assets                               67,437    96,371
- -------------------------------------------------------------------
Property, plant, and equipment, at cost:

Land                                                  983       957

Buildings and improvements                         21,178    20,868

Machinery and equipment                            81,496    78,171

Office equipment                                   10,447     8,504

Vehicles                                            1,178     1,228

Assets in progress                                 10,340     3,619
- -------------------------------------------------------------------
                                                  125,622   113,347
Less accumulated depreciation                     (56,762)  (51,309)
- -------------------------------------------------------------------
                                                   68,860    62,038

Other noncurrent assets:

Goodwill, at cost (net of accumulated
 amortization of $2,807 in 1997 and 
 $1,688 in 1996)                                   19,155    20,259

Other assets, at cost (net of accumulated
 amortization of $7,526 in 1997 and $7,741 
 in 1996)                                           4,672     3,451
- -------------------------------------------------------------------
                                                   23,827    23,710
- -------------------------------------------------------------------
Total assets                                     $160,124  $182,119
- -------------------------------------------------------------------

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


                                30  LYDALL, INC.
<PAGE>
 
- -------------------------------------------------------------------- 
In thousands except share data  December 31,          1997      1996
- --------------------------------------------------------------------
Liabilities and stockholders' equity

Current liabilities:

Current portion of long-term debt                 $  2,950  $  4,450

Notes payable                                            -     8,000

Accounts payable                                    13,342    15,758

Accrued taxes                                        1,030     1,322

Accrued payroll and other compensation               4,856     6,014

Other accrued liabilities                            6,056     7,469
- --------------------------------------------------------------------
Total current liabilities                           28,234    43,013
- --------------------------------------------------------------------

Long-term debt                                       2,100     5,050

Deferred tax liabilities                            12,979    12,667

Other long-term liabilities                          3,781     3,545

Contingencies

Stockholders' equity:

Preferred stock                                          -         -

Common stock, par value $.10 per share,
 authorized 30,000,000 shares, issued
 21,432,346 shares in 1997 and
 21,122,913 shares in 1996.                          2,143     2,112

Capital in excess of par value                      36,510    34,235

Foreign currency translation adjustment                 76     1,425

Equity adjustments                                    (240)       39

Retained earnings                                  125,108   103,197
- --------------------------------------------------------------------
                                                   163,597   141,008

Less cost of 5,366,873 shares of common
 stock in treasury in 1997 and 4,030,902 
 shares in 1996                                    (50,567)  (23,164)
- --------------------------------------------------------------------
Total stockholders' equity                         113,030   117,844
- --------------------------------------------------------------------
Total liabilities and stockholders' equity        $160,124  $182,119
- --------------------------------------------------------------------

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



                                31  LYDALL, INC.
<PAGE>
 
STATEMENTS OF CASH FLOWS

 
- --------------------------------------------------------------------------------
In thousands  For the years ended  December 31,      1997       1996      1995
- --------------------------------------------------------------------------------
Cash flows from operating activities:                                      
Net Income                                       $ 21,911   $ 24,736  $ 22,438
- --------------------------------------------------------------------------------
Adjustments to reconcile net income to net                                
  cash provided by operating activities:                                      
  Depreciation                                      7,993      7,824     7,122
  Amortization                                      1,569      1,357     1,510
  Changes in operating assets and liabilities,                          
  excluding effects from acquisitions:                                  
    Accounts receivable                             1,281      2,128    (2,015)
    Taxes receivable                               (2,032)         -         -
    Inventories                                    (1,140)       860      (376)
    Other assets                                   (1,708)      (579)      170
    Accounts payable                               (2,049)      (196)   (2,503)
    Accrued taxes                                    (249)     1,087    (1,986)
    Accrued payroll and other accrued liabilities  (2,452)       263       594
    Deferred income taxes                             818       (620)    1,068
    Other long-term liabilities                      (158)         -      (263)
- --------------------------------------------------------------------------------
Total adjustments                                   1,873     12,124     3,321
- --------------------------------------------------------------------------------
Net cash provided by operating activities          23,784     36,860    25,759
- --------------------------------------------------------------------------------
Cash flows from investing activities:                                      
    Acquisitions                                      (78)    (2,030)        -
    Additions of property, plant and equipment    (17,104)   (10,893)  (12,006)
    Disposals of property, plant and equipment, 
      net                                             685        894       632
    Sale (purchase) of investments, net             1,013     (2,940)    2,451
- --------------------------------------------------------------------------------
Net cash used for investing activities            (15,484)   (14,969)   (8,923)
- --------------------------------------------------------------------------------
Cash flows from financing activities:                                      
    Long-term debt payments                        (4,450)    (2,863)   (2,856)
    Notes payable                                  (8,000)         -         -
    Issuance of common stock                        2,306      1,810     2,105
    Acquisition of common stock                   (27,403)   (10,345)        -
- --------------------------------------------------------------------------------
Net cash used for financing activities            (37,547)   (11,398)     (751)
- --------------------------------------------------------------------------------
Effect of exchange rate changes on cash               (88)       (87)       51
- --------------------------------------------------------------------------------
Increase (decrease) in cash and cash equivalents  (29,335)    10,406    16,136
Cash and cash equivalents at beginning of year     38,226     27,820    11,684
- --------------------------------------------------------------------------------
Cash and cash equivalents at end of year         $  8,891   $ 38,226  $ 27,820
- --------------------------------------------------------------------------------

- --------------------------------------------------------------------------------
Supplemental Schedule of Cash Flow Information
Cash paid during the year for:
    Interest                                      $   687   $    897  $    875
    Income taxes                                   14,678     13,985    14,959
Noncash transactions:
    Amounts payable for acquired operations            16     10,527         -
    Additional minimum pension liability              591        930        40
    Unrealized gains/losses on available-for-sale   
     securities                                        55         82        13
    Stock split effected in the form of a stock     
     dividend                                           -          -     1,041
    Reclassification between short-term                                 
      and long-term investments, net                    -          -       447
- --------------------------------------------------------------------------------

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



                               32  LYDALL, INC.
<PAGE>
 
STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY


<TABLE>
<CAPTION>
- ------------------------------------------------------------------------------------------------------------------------------------

                                                                        Foreign
                                                       Capital in      Currency                             Cost of          Total
                                Preferred      Common   Excess of   Translation        Equity   Retained   Stock in  Stockholders'
In thousands                        Stock       Stock   Par Value    Adjustment   Adjustments   Earnings   Treasury         Equity
- ------------------------------------------------------------------------------------------------------------------------------------
<S>                             <C>        <C>          <C>         <C>           <C>           <C>       <C>        <C>
Balance at January 1, 1995        $     -     $ 1,013     $31,419      $  1,138      $   (547)  $ 56,023  $(12,819)       $ 76,227

Two-for-one stock split in the                                                                                          
  form of a stock dividend                      1,041      (1,041)                                                               -
Stock options exercised                            35       2,070                                                            2,105
Foreign currency translation                                                                                            
  adjustment                                                                953                                                953
Equity adjustments                                                                         88                                   88
Net income                                                                                        22,438                    22,438
- ------------------------------------------------------------------------------------------------------------------------------------
Balance at December 31, 1995            -       2,089      32,448         2,091          (459)    78,461   (12,819)        101,811

Stock options exercised                            23       1,787                                                            1,810
Purchase of treasury shares                                                                                (10,345)        (10,345)
Foreign currency translation                                                                                            
  adjustment                                                               (666)                                              (666)
Equity adjustments                                                                        498                                  498
Net income                                                                                        24,736                    24,736
- ------------------------------------------------------------------------------------------------------------------------------------
Balance at December 31, 1996            -       2,112      34,235         1,425            39    103,197   (23,164)        117,844

Stock options exercised                            31       2,275                                                            2,306
Purchase of treasury shares                                                                                (27,403)        (27,403)
Foreign currency translation                                                                                            
  adjustment                                                             (1,349)                                            (1,349)
Equity adjustments                                                                       (279)                                (279)
Net income                                                                                        21,911                    21,911
- ------------------------------------------------------------------------------------------------------------------------------------
Balance at December 31, 1997      $     -     $ 2,143     $36,510      $     76      $   (240)  $125,108  $(50,567)       $113,030
- ------------------------------------------------------------------------------------------------------------------------------------

</TABLE>

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


                                33  LYDALL, INC.
<PAGE>
 
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS



Significant Accounting Policies

Principles of consolidation.  The consolidated financial statements include the
accounts of Lydall, Inc. and its wholly owned subsidiaries. All significant
intercompany accounts and transactions have been eliminated.

Use of estimates.  The preparation of the consolidated financial statements in
conformity with generally accepted accounting principles, requires management to
make estimates and assumptions that affect the reported amounts of assets and
liabilities, the disclosure of contingent assets and liabilities at the date of
the financial statements, and the reported amounts of revenues and expenses
during the reporting period. Actual results could differ from estimates.

Cash and cash equivalents.  Cash and cash equivalents include cash on hand and
highly liquid investments with a maturity of three months or less at the date of
purchase.  The investments are stated at cost plus accrued interest which
approximates market value.

Short-term investments.  Lydall invests in highly liquid investments with
maturities greater than three months at the time the investments are made. The
investments are recorded at the lower of cost or market, plus accrued interest.

Concentration of risk.  Financial instruments which potentially subject the
Company to concentrations of credit risk consist principally of cash, cash
equivalents, short-term investments, and trade receivables. The Company places
its cash, cash equivalents and short-term investments in high-quality financial
institutions and instruments. Concentrations of credit risk with respect to
trade receivables are limited by the large number of customers comprising the
Company's customer base and their dispersion across many different industries
and geographies. The Company performs ongoing credit evaluations of its
customers' financial conditions and generally does not require collateral. Sales
to the automotive market were 26.3 percent of the Company's 1997 total sales
compared with 32.3 percent in 1996 and 32.9 percent in 1995. Sales to the Ford
Motor Co. represented 18.4 percent, 16.6 percent, and 13.7 percent of Lydall's
total sales in 1997, 1996, and 1995, respectively. No other single customer
accounted for more than 10 percent of total sales in 1997, 1996, or 1995. As of
December 31, 1997, the Company had no other significant concentrations of risk.

Inventories.  Approximately 54 percent in 1997 and 59 percent in 1996 of the
inventories have been valued on a last-in, first-out (LIFO) method and the
balance on a first-in, first-out (FIFO) method at the lower of cost or market.

Depreciation and amortization.  Property, plant, and equipment are depreciated
over their estimated useful lives on the straight-line method for financial
statement purposes.  Leasehold improvements are depreciated on a straight-line
basis over the term of the lease or the life of the asset, whichever is shorter.
Intangibles.  Goodwill and other intangibles are being amortized on a straight-
line basis over periods not exceeding 25 years.  The Company evaluates the
recoverability of goodwill by analyzing the associated estimated undiscounted
cash flows.  At the time such evaluations indicate that the future undiscounted
cash flows are not sufficient to recover the carrying value of the goodwill, the
asset would be adjusted to fair value.  Based on these evaluations, there were
no adjustments to the carrying value of goodwill in 1997 or 1996.

Research and development.  Costs are charged to expense as incurred.
Revenue recognition.  Lydall recognizes revenues when the product is shipped.

Earnings per share ("EPS").  Basic earnings per common share are based on net
income divided by the weighted average number of common shares outstanding
during the period.  Diluted earnings per common share are based on net income
divided by the weighted average number of common shares outstanding during the
period, including the effect of stock options, stock awards and warrants where
such effect is dilutive.

Income taxes.  The provision for income taxes is based upon income reported in
the accompanying financial statements. Deferred income taxes reflect the impact
of temporary differences between the amounts of assets and liabilities
recognized for financial reporting purposes and such amounts recognized for tax
purposes. In accordance with SFAS 109, these deferred taxes are measured by
applying currently enacted tax laws.



                               34  LYDALL, INC.
<PAGE>
 
Foreign operations.  The Company operates a manufacturing plant in Saint-
Rivalain, France. Foreign sales were $14.3 million, $17.6 million, and $17.0
million, for the years ended December 31, 1997, 1996, and 1995, respectively.
The French operation incurred losses of $348 thousand, $796 thousand, and $165
thousand for the years ended December 31, 1997, 1996, and 1995, respectively.
Total foreign assets were $16.4 million and $18.5 million at December 31, 1997
and 1996, respectively.

Translation of foreign currencies.  Assets and liabilities of the foreign
subsidiary are translated at exchange rates prevailing on the balance sheet
date; revenues and expenses are translated at average exchange rates prevailing
during the period; and elements of stockholders' equity are translated at
historical rates.  Any resulting translation gains and losses are reported
separately in Stockholders' Equity.

Equity adjustments.  Equity adjustments consist of a pension liability
adjustment and an adjustment for unrealized gains and losses on securities held
as available-for-sale.

Restatement.  Where appropriate, earnings per share have been restated to
conform with the requirements of Statement of Financial Accounting Standards
("SFAS") No. 128, "Earnings Per Share." Prior-year share amounts and per-share
figures have been restated to reflect a two-for-one stock split distributed in
1995.

Recently issued accounting standards. The Company will adopt Statement of
Financial Accounting Standards No. 130, No. 131, and No. 132, "Reporting
Comprehensive Income," ("SFAS 130"), and "Disclosures about Segments of an
Enterprise and Related Information," ("SFAS 131"), and "Employers' Disclosures
about Pensions and Other Postretirement Benefits," ("SFAS 132"), all of which
are effective for fiscal years beginning after December 15, 1997.

SFAS 130 requires an enterprise to classify items of other comprehensive income
by their nature in a financial statement and display the accumulated balance of
other comprehensive income separately from retained earnings and additional
paid-in capital. Lydall will adopt SFAS 130 effective for the first quarter
ending March 31, 1998. There will be no effect on the Company's consolidated
financial position, results of operations, or cash flows.

SFAS 131 requires that a public business enterprise report financial and
descriptive information about its reportable operating segments.  SFAS 131 is
based on the management approach to segment reporting and includes requirements
to report selected segment information quarterly and to include entitywide
disclosures about products and services, major customers, and the countries in
which the entity holds material assets and reports revenues.  The Company
currently reports under one segment and is evaluating the impact of the
disclosure requirements. SFAS 131 may require Lydall to disclose more than one
segment.  The Company will adopt SFAS 131 effective for the year ending December
31, 1998.  There will be no effect on the Company's consolidated financial
position, results of operations, or cash flows.

SFAS 132 revises employers' disclosures about pension and other postretirement
benefit plans.  The Company will adopt SFAS 132 effective for the year ending
December 31, 1998.  There will be no effect on the Company's consolidated
financial position, results of operations, or cash flows.

Investments

The Company's investments are categorized as available-for-sale debt and equity
securities, as defined by the Statement of Financial Accounting Standards No.
115, "Accounting for Certain Investments in Debt and Equity Securities." The
carrying value of these securities was $13.5 million in 1997 and $42.5 million
in 1996, both of which approximated fair market value. In 1997, $9.6 million was
classified in cash equivalents and $3.9 million, in short-term investments. For
1996, $37.6 million was classified in cash equivalents and $4.9 million, in
short-term investments.



                               35  LYDALL, INC.
<PAGE>
 
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
continued

 
 
The amortized costs of investments in debt securities by contractual maturity
are shown below.

- --------------------------------------------------------------------------------
                                                  Available-for-Sale Securities
                                                 -------------------------------
In thousands  December 31,                          1997                   1996
- --------------------------------------------------------------------------------
Due in one year or less                           $6,400                 $6,350

Due after one year through five years                  -                    309

Due after five years through ten years                 -                    210

Due after ten years                                  220                  2,033
- --------------------------------------------------------------------------------
                                                  $6,620                 $8,902
- --------------------------------------------------------------------------------

The net unrealized gains and losses are included as a component of stockholders'
equity. Gross unrealized gains were $318 thousand and $195 thousand, and gross
unrealized losses were $296 thousand and $118 thousand as of December 31, 1997
and 1996, respectively. Gains of $1.1 million and losses of $136 thousand were
realized on these sales during 1997. The gross realized gains and losses were
immaterial to the consolidated financial statements during 1996 and 1995. For
the purpose of computing realized gains and losses, cost is identified on a
specific identification basis.

Long-term Debt

- --------------------------------------------------------------------------------
In thousands  December 31,                                    1997      1996
- --------------------------------------------------------------------------------
7.25% Note Purchase Agreement, payable annually to 1999    $ 4,300   $ 6,500

5% Promissory Note                                               -     1,250

5.48% Indemnification Note, balance due in full in 1998        750     1,750
- --------------------------------------------------------------------------------
                                                             5,050     9,500

Less portion due within one year                            (2,950)   (4,450)
- --------------------------------------------------------------------------------
                                                            $2,100   $ 5,050
- --------------------------------------------------------------------------------

The Note Purchase Agreement is restricted by a debt covenant, among others, that
requires a debt-to-capital ratio of no more than .45 in order to borrow under
long-term debt agreements in the future.  While by commonly used methods
Lydall's current debt-to-capital ratio is .04, it is .09 as defined by the terms
of this agreement as of December 31, 1997.

As of December 31, 1997, long-term debt payment requirements totaled $5.1
million, $3.0 million payable in 1998 and $2.1 million payable in 1999.

Credit Arrangements

Lydall maintains domestic and foreign bank credit arrangements totaling over $25
million, the majority of which are renewed annually.  Lydall primarily pays
interest at the lower of prime or money market rates and compensates its banks
for services on a fee basis.  At December 31, 1997, and 1996, no amounts were
outstanding on the domestic or foreign lines of credit.

Financial Instruments

The Company utilizes letters of credit to satisfy self-insurance security
deposit requirements and in the ordinary course of business.  Outstanding
letters of credit were $1.8 million and $1.6 million as of December 31, 1997 and
1996, respectively.  The Company does not expect any material losses to result
from these off-balance-sheet instruments as performance is not expected to be
required, and therefore, believes that the fair value of these instruments is
zero.

                               36  LYDALL, INC.
<PAGE>
 
Long-term Operating Leases

Lydall has operating leases which cost the Company $1.9 million in 1997, $1.7
million in 1996, and $1.8 million in 1995. These contracts range from vehicle
leases to building leases which require payment of property taxes, insurance,
repairs and other operating costs.

Future net lease commitments under noncancelable operating leases are:

- --------------------------------------------------------------------------------
In thousands           1998     1999     2000    2001   2002 Thereafter  Total
- --------------------------------------------------------------------------------
Net lease payments    $1,581   $1,520   $1,309  $1,212  $983   $3,084    $9,689
- --------------------------------------------------------------------------------

Acquisitions and Other Investments

Early in 1998, a Lydall subsidiary funded the capitalization of Charter Medical,
Ltd.  On February 6, 1998, this separate corporate entity acquired CharterMed,
Inc., a privately held company located in Lakewood, New Jersey, for $6.6 million
in cash and a $720 thousand note, payable through 1999.  CharterMed is a growing
and profitable manufacturer of proprietary medical devices serving applications
such as biotech and pharmaceutical packaging, blood bank and transfusion
services, neonatal intensive care, operating room/perfusion, and stem cell
processing and freezing.

On December 20, 1996, the Company acquired certain assets and assumed certain
liabilities of Textile Technologies Industries, Inc. ("Fort Washington
Operation").  The Fort Washington Operation is a manufacturer of components
utilized in highly specialized, advanced structural materials which are sold to
the aerospace, marine, medical device, automotive and sporting goods industries.
The Company paid $2.0 million in cash at closing and issued a $8.0 million note,
which was paid on January 2, 1997, and a $1.75 million note, which is payable
through 1998. As a result of this purchase, the Company recorded goodwill and
other intangible assets of $10.4 million.  The results of the Fort Washington
Operation since the date of acquisition have been included in the Company's
consolidated results.  The pro forma effect on the Company's results of
operations for the years ended December 31, 1996 and 1995, had the acquisition
occurred at the beginning of each respective period, is not material.

Capital Stock

Preferred Stock -- The Company has a class of Serial Preferred Stock with a par
value of $1. None of the 500,000 authorized shares has been issued.

Common Stock -- At the end of 1997, 1,653 Lydall stockholders of record held
16,065,473 shares of Common Stock.  Approximately 8 percent of the Company's
Common Stock was owned by Lydall's officers and directors and their immediate
families.  Other Lydall employees, their families, and Lydall associates owned
an additional 9 percent either directly or through participation in the
Company's Employee Stock Ownership Trust.

On May 10, 1995, the Company increased its authorized shares to 30,000,000 from
15,000,000.  Also on that date, Lydall's Board of Directors declared a two-for-
one stock split in the form of a stock dividend which resulted in the issuance
of 10,413,216 shares of previously unissued Common Stock.  Balances at December
31, 1995 reflect the split with an increase in Common Stock and a reduction in
Capital in Excess of Par Value of $1.0 million. The distribution was made on
June 21, 1995 to stockholders of record on May 24, 1995.  All earnings-per-share
information in this report prior to the distribution date has been adjusted to
reflect the 1995 stock split.

<TABLE>
<CAPTION>
 
- ----------------------------------------------------------------------------------------------------------------------------- 
                                        For the Year Ended 1997       For the Year Ended 1996        For the Year Ended 1995
- ----------------------------------------------------------------------------------------------------------------------------- 
                                     Net              Per-Share        Net          Per-Share        Net           Per-Share
                                  Income      Shares     Amount     Income    Shares   Amount     Income    Shares    Amount
- ----------------------------------------------------------------------------------------------------------------------------- 
<S>                              <C>          <C>     <C>          <C>        <C>   <C>          <C>        <C>    <C>    
Basic earnings per share         $21,911      16,692      $1.31    $24,736    17,140    $1.44    $22,438    17,263     $1.30
Effect of dilutive securities
  Stock Options                                  627                             848                           934
Diluted earnings per share       $21,911      17,319      $1.27    $24,736    17,988    $1.38    $22,438    18,197     $1.23
- -----------------------------------------------------------------------------------------------------------------------------  
</TABLE>

                               37   LYDALL, INC.
<PAGE>
 
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
 
continued


Options to purchase 297,946 shares, 317,446 shares, and 130,750 shares of Lydall
Common Stock were outstanding at December 31, 1997, 1996, and 1995,
respectively, which were not included in the computation of diluted earnings per
share.  These options were excluded because the average exercise price was
greater than the average market price of the Common Stock for each respective
year.

Stock Option Plans

At December 31, 1997, the Company had two stock option plans under which
employees and directors had options to purchase Lydall Common Stock.  Under
these plans -- the 1982 Stock Incentive Compensation Plan and the 1992 Stock
Incentive Compensation Plan -- options are granted at fair market value on the
grant date and expire ten years after the grant date.  In most cases, options
vest at a rate of 25 percent per year starting with the first anniversary of the
award.  A few incentive stock option (ISO) awards have an extended vesting
period because IRS regulations, with regard to ISO awards, cap the total dollar
amount that can vest in one year for an individual at $100,000. The 1982 Plan
has expired; therefore, no further options can be granted under this plan. The
1992 Plan provides for automatic acceleration of vesting in the event of a
change in control of the Company. The Plan also provides for the use of shares
of Lydall Common Stock in lieu of cash to exercise options if the shares are
held for more than six months and if the Compensation and Stock Option Committee
of the Board of Directors approves this form of exercise.

At December 31, 1996 and December 31, 1995, the Company had three stock option
plans under which employees and directors had options or warrants to purchase
Lydall Common Stock.  The 1984 Outside Directors' Warrant Plan was terminated in
1992.  At the end of 1996 and 1995, there were warrants for 30,330 shares
outstanding under the Plan.  All of these warrants were exercised during 1997.

The Company applies APB Opinion 25 and related Interpretations in accounting for
its plans.  Accordingly, no compensation cost has been recognized.  Had
compensation cost for the Company's three stock option plans been determined
based on the fair value at the grant dates for awards under those plans
consistent with the method of SFAS 123, the Company's net income and earnings
per share would have been reduced to the pro forma amounts indicated below:

- -----------------------------------------------------------------------------
                                                     1997     1996     1995
- -----------------------------------------------------------------------------
Net income                            As reported  $21,911  $24,736  $22,438
                                        Pro forma   21,170   24,363   22,412

Basic earnings per share              As reported  $  1.31  $  1.44  $  1.30
                                        Pro forma     1.27     1.42     1.30

Diluted earnings per share            As reported  $  1.27  $  1.38  $  1.23
                                        Pro forma     1.22     1.35     1.23
- -----------------------------------------------------------------------------

The fair value of each option grant is estimated for the above disclosure on the
date of grant using a Black-Scholes option-pricing model with the following
weighted-average assumptions used for grants in 1997, 1996, and 1995,
respectively: zero dividend yield for all years; expected volatility of 27
percent, 31 percent, and 28 percent; risk-free interest rates of 5.8 percent,
6.1 percent, and 5.6 percent; and an expected six-year life for all years.



                               38  LYDALL, INC.
<PAGE>
 
A summary of the status of the Company's stock option plans as of December 31,
1997, 1996, and 1995, and changes during the years ended on those dates is
presented below:

<TABLE>
<CAPTION>
- --------------------------------------------------------------------------------------------------------------------
In thousands except per-share data                                    1997                         1996        1995
- --------------------------------------------------------------------------------------------------------------------
                                                          Weighted-Average             Weighted-Average
Fixed Options                                      Shares   Exercise Price     Shares    Exercise Price      Shares
- --------------------------------------------------------------------------------------------------------------------
<S>                                                <C>    <C>                  <C>     <C>                   <C> 
Outstanding at beginning of year                   1,772           $11.51       1,822            $ 9.63       2,323
Granted                                              156            19.80         191             23.41         142
Exercised                                           (303)            6.20        (229)             6.21        (643)
Forfeited                                            (33)           20.80         (12)            16.85           -
 ...................................................................................................................
Outstanding at end of year                         1,592            13.14       1,772             11.51       1,822
 ...................................................................................................................
Options exercisable at year-end                    1,156                        1,176                         1,115
Shares reserved for grants                           301                          424                           603
Weighted-average fair value
   per option granted during the year              $7.85                       $10.07                        $10.12
- --------------------------------------------------------------------------------------------------------------------
</TABLE>

In 1995, the option price of outstanding shares ranged from $1.76 to $26.00 per
share.  Option exercises in 1995 ranged from $1.55 to $10.38.

The following table summarizes information about stock options outstanding at
December 31, 1997:
<TABLE>
<CAPTION>
- --------------------------------------------------------------------------------------------------------------
                                                    Options Outstanding                    Options Exercisable
                     -----------------------------------------------------------------------------------------
                          Number                                                  Number
Range of             Outstanding          Remaining    Weighted-Average      Exercisable      Weighted-Average
Exercise Prices      at 12/31/97   Contractual Life      Exercise Price      at 12/31/97        Exercise Price
- --------------------------------------------------------------------------------------------------------------
<S>                  <C>           <C>                 <C>                   <C>              <C>
$  1.85 to 2.83          138,566         0.06 years              $ 2.40          138,566                $ 2.40
  4.21 to  5.85          195,893         2.7                       4.58          195,893                  4.58
  8.21 to 10.67          579,661         5.2                       9.67          551,979                  9.65
 13.81 to 19.81          379,897         8.1                      17.90          165,424                 16.55
 22.63 to 26.00          297,946         8.4                      24.42          103,908                 24.86
 ..............................................................................................................
$ 1.85 to 26.00        1,591,963         5.8                     $13.14        1,155,770                $10.28
- --------------------------------------------------------------------------------------------------------------
</TABLE>

Employer-Sponsored Benefit Plans

The Company contributes to four defined benefit pension plans which cover
substantially all domestic Lydall employees.  The pension plans are
noncontributory, and benefits are based on either years of service or eligible
compensation paid while a participant is in a plan.  The Company's funding
policy is to fund not less than the ERISA minimum funding standard nor more than
the maximum amount which can be deducted for federal income tax purposes.

The following items are the components of net pension cost:

- ------------------------------------------------------------------------------
In thousands  For the years ended December 31,      1997      1996      1995
- ------------------------------------------------------------------------------
Service cost - benefits earned during the year    $ 1,065   $ 1,048   $   850
Interest cost on projected benefit obligations      1,392     1,262     1,125
Actual return on plan assets                       (1,813)   (1,703)   (2,081)
Net amortization and deferral                         362       451     1,083
 ..............................................................................
Net pension cost                                  $ 1,006   $ 1,058   $   977
- ------------------------------------------------------------------------------ 



                                39 LYDALL, INC.
<PAGE>
 
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

continued


Plan assets include investments in bonds and equity securities.  Actuarial
computations, which used the "projected unit credit" method, and the "unit
credit" method, assumed the following: discount rates on benefit obligations of
7.25 percent for 1997, 7.50 percent for 1996, and 7.25 percent for 1995;
expected long-term rates of return on plan assets of 9.25 percent for 1997,
1996, and 1995; and annual compensation increases of 5.0 percent for 1997, 1996,
and 1995.  The Company determines the assumed discount rate, long-term rate, and
annual compensation increase rate for each year.  The following table presents a
reconciliation of the funded status of the plans:

<TABLE>
<CAPTION>
- -----------------------------------------------------------------------------------------------------------------
                                                                1997                                        1996
                          Plans in Which   Plans in Which              Plans in Which   Plans in Which
                           Assets Exceed      Accumulated               Assets Exceed      Accumulated
                             Accumulated  Benefits Exceed                 Accumulated  Benefits Exceed
In thousands  December 31,      Benefits           Assets      Total         Benefits           Assets     Total
- -----------------------------------------------------------------------------------------------------------------
<S>                       <C>             <C>                <C>       <C>             <C>               <C> 
Actuarial present value of
  benefit obligations:
Vested                           $12,540          $ 3,358    $15,898          $13,464          $   322   $13,786
Nonvested                            738              115        853              686               23       709
 ................................................................................................................
Accumulated benefit
obligations                       13,278            3,473     16,751           14,150              345    14,495
Additional benefits related
  to assumed future
compensation levels                3,499                -      3,499            2,932                -     2,932
 ................................................................................................................
Projected benefit obligations     16,777            3,473     20,250           17,082              345    17,427
Plan assets at fair                                                                                       
market value                      13,643            3,286     16,929           15,279              322    15,601
 ................................................................................................................
Projected benefit
 obligations in excess of the
 plan assets                      (3,134)            (187)    (3,321)          (1,803)             (23)   (1,826)
Unrecognized net assets             (410)            (118)      (528)            (614)             (17)     (631)
Unrecognized prior service
cost                                (101)             295        194              117               50       167
Unrecognized net losses            2,663              523      3,186            2,184               76     2,260
Additional minimum liability           -             (700)      (700)               -             (109)     (109)
 ................................................................................................................
Accrued pension cost
included in liabilities          $  (982)         $  (187)   $(1,169)         $  (116)         $   (23)  $  (139)
- -----------------------------------------------------------------------------------------------------------------
</TABLE>

The Company also sponsors a Stock Purchase Plan, Profit Sharing Plan, and 401(k)
Plan.  Contributions are determined under various formulas.  Employer
contributions to these plans amounted to $2.1 million in 1997, $1.9 million in
1996, and $1.7 million in 1995.

Postemployment, Postretirement and Deferred Compensation

While it is not Lydall's practice to provide health care or life insurance for
retired employees, it does so for some retired employees of certain units
acquired before 1990.  These benefits are unfunded. The plan participants are
primarily retirees; therefore, the postretirement benefit transition obligation
of $691 thousand is being amortized over the actuarially determined average
remaining future lifetime of the plan participants.



                               40  LYDALL, INC.
<PAGE>
 
The discount rates used in determining the accumulated postretirement benefit
obligations were 7.50 percent and 7.75 percent at December 31, 1997 and 1996,
respectively. The health-care cost trend rate was 8 percent, gradually declining
to 5.5 percent over a four-year period in 1997 and 10 percent declining to 5.5
percent over a five-year period in 1996. An increase of 1 percent in the health-
care cost trend rates would cause the accumulated benefit obligation to increase
by $11 thousand. The increase in the service and interest components of the 1997
postretirement benefit cost is immaterial. The total expense was $83 thousand
for 1997, $110 thousand for 1996, and $111 thousand for 1995.

The Company provides deferred compensation to a small number of former
employees, and has a deferred compensation plan which was frozen as of December
31, 1996, that provides the Company's outside directors and Chairman with
compensation upon their retirement from service with the Board.  In addition,
the Company provides a Supplemental Executive Retirement Plan ("SERP") which
provides supplemental income payments after retirement for senior executives.
The total net deferred compensation expense related to these three plans was
$234 thousand in 1997, $246 thousand in 1996, and $203 thousand in 1995.

Quarterly Financial Information (Unaudited)

The following table summarizes quarterly financial information for 1997 and
1996.  In management's opinion, all adjustments (which include only normal
recurring adjustments) necessary to present fairly the information for such
quarters have been reflected below:
<TABLE>
<CAPTION>
- ------------------------------------------------------------------------------------------------------------------------------------
                                            1st Quarter                2nd Quarter               3rd Quarter             4th Quarter
In thousands except               --------------------------------------------------------------------------------------------------
per-share data                       1997          1996         1997          1996        1997          1996         1997       1996
- ------------------------------------------------------------------------------------------------------------------------------------
<S>                               <C>           <C>          <C>           <C>         <C>           <C>          <C>        <C>
Net sales                         $61,971       $65,794      $64,019       $67,669     $59,377       $59,707      $58,922    $59,482
 ....................................................................................................................................
Gross margin                      $19,263       $20,791      $20,036       $21,522     $18,873       $19,399      $19,469    $20,343
 ....................................................................................................................................
Net income                        $ 5,625       $ 5,965      $ 5,716       $ 6,871     $ 5,515       $ 5,780      $ 5,055    $ 6,120
 ....................................................................................................................................
Basic EPS                            $.33          $.34         $.34       $   .40     $   .33       $   .34      $   .31    $   .36
 ....................................................................................................................................
Diluted EPS                          $.32          $.33         $.33       $   .39     $   .32       $   .32      $   .30    $   .34
- ------------------------------------------------------------------------------------------------------------------------------------

</TABLE> 

Income Taxes

The provision (benefit) for income taxes consists of the following:

- --------------------------------------------------------------------------------
In thousands   For the  years ended December 31,     1997       1996      1995
- --------------------------------------------------------------------------------

Current
  Federal                                          $ 9,827     $13,662  $11,278
  State                                              1,915       2,072    1,893
  Foreign                                              341         171      (45)
 ................................................................................
     Total current                                  12,083      15,905   13,126
Deferred
  Federal                                              347        (385)     926
  State                                                127         194      (47)
  Foreign                                              (15)       (596)     432
 ................................................................................
     Total deferred                                    459        (787)   1,311
 ................................................................................
Provision for income taxes                         $12,542     $15,118  $14,437
- ------------------------------------------------------------------------------- 


                                41 LYDALL, INC.
<PAGE>
 
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
continued



The statutory tax rate in France increased from 36.6 percent to 41.7 percent
retroactive to January 1, 1997.  The provision for income taxes for 1997
includes $127 thousand for the impact of the higher tax rate on the deferred tax
liability balance.

The provision for income taxes for 1995 includes $292 thousand for the impact of
the higher tax rate on the deferred tax liability balance.  The statutory tax
rate in France increased for 1995 from 33.3 percent to 36.6 percent retroactive
to January 1, 1995.

The following is a reconciliation of the difference between the actual provision
for income taxes and the provision computed by applying the federal statutory
tax rate on earnings.

- --------------------------------------------------------------------
For the years ended December 31,                 1997   1996   1995 
- -------------------------------------------------------------------- 
Statutory federal income tax rates                 35%    35%    35% 
State income taxes, net of federal                                   
   tax deduction                                  3.9    3.7    3.3  
Exempt FSC foreign trade income                  (1.0)   (.9)  (1.5) 
Tax exempt income                                 (.8)   (.9)     -  
Other                                             (.7)   1.0    2.4  
- -------------------------------------------------------------------- 
Effective income tax rates                       36.4%  37.9%  39.2% 
- --------------------------------------------------------------------  
The following is a schedule of the net current deferred tax assets and long-term
deferred tax liability accounts by tax jurisdiction as of December 31:
<TABLE> 
<CAPTION> 
- --------------------------------------------------------------------------------------------
                                                  1997                                1996  
- --------------------------------------------------------------------------------------------    
                               Current       Long-term            Current        Long-term      
                              Deferred        Deferred           Deferred     Deferred Tax      
In thousands                Tax Assets     Liabilities         Tax Assets      Liabilities  
- --------------------------------------------------------------------------------------------    
<S>                         <C>            <C>                 <C>            <C>    
Federal                         $2,215         $ 7,353             $2,344          $ 7,256      
State                            1,015           2,739                960            2,556      
Foreign                            356           2,887                308            2,855      
- --------------------------------------------------------------------------------------------    
   Total                        $3,586         $12,979             $3,612          $12,667      
- --------------------------------------------------------------------------------------------     

- --------------------------------------------------------------------------------------------
                                                  1997                                1996  
                          ------------------------------------------------------------------    
                          Deferred Tax    Deferred Tax       Deferred Tax     Deferred Tax      
In thousands                    Assets     Liabilities         Tax Assets      Liabilities  
- --------------------------------------------------------------------------------------------    
<S>                       <C>             <C>                <C>              <C>     
Accounts receivable             $  568         $     -             $  709          $     -
Inventory                          434               -                599                -
Plant and equipment                  -          10,655                  -           10,258
Other accrued expenses           1,640               -              1,799                -
Retirement accounts                804               -                529                -
Other, net                           -           2,184                  -            2,433
- --------------------------------------------------------------------------------------------    
Total                           $3,446         $12,839             $3,636          $12,691
- --------------------------------------------------------------------------------------------     
</TABLE>



                               42  LYDALL, INC.
<PAGE>
 
The Internal Revenue Service conducted its examination of the Company's federal
income tax returns for the years 1990 through 1992 and proposed various
adjustments which increased federal taxable income in those years.  During
January 1997, Lydall settled all issues raised during the examination and paid
approximately $353 thousand in taxes and $141 thousand in interest.  The Company
had previously provided sufficient deferred tax accruals to cover the assessment
of the above taxes and interest.

Unremitted earnings of foreign subsidiaries which are deemed to be permanently
invested amounted to $585 thousand at December 31, 1997. The unrecognized
deferred tax liability on those earnings is not practical to calculate.

Contingencies

In the mid-1980's, the United States Environmental Protection Agency ("EPA")
notified a former subsidiary of the Company that it and other entities may be
potentially responsible in connection with the release of hazardous substances
at a landfill and property located adjacent to a landfill in Michigan City,
Indiana.  The preliminary indication, based on the Site Steering Committee's
volumetric analysis, is that the alleged contribution to the waste volume at the
site of the plant once owned by a former subsidiary is approximately 0.434
percent of the total volume. The portion of the 0.434 percent specifically
attributable to the former subsidiary by the current operator of the plant is
approximately 0.286 percent.  The EPA has completed its Record of Decision for
the site and has estimated the total cost of remediation to be between $17
million and $22 million.  Based on the alleged volumetric contribution of its
former subsidiary to the site, and on the EPA's estimated remediation costs,
Lydall's alleged total exposure would be less than $100 thousand, which has been
accrued.

There are over 800 potentially responsible parties ("prp") which have been
identified by the Site Steering Committee. Of these, 38, not including the
Company's former subsidiary, are estimated to have contributed over 80 percent
of the total waste volume at the site.  These prp's include Fortune 500
companies, public utilities, and the State of Indiana.  The Company believes
that, in general, these parties are financially solvent and should be able to
meet their obligations at the site.  The Company has reviewed Dun & Bradstreet
reports on several of these prp's, and based on these financial reports, does
not believe Lydall will have any material additional volume attributed to it for
reparation of this site due to insolvency of other prp's.

In June 1995, the Company and its former subsidiary were sued in the Northern
District of Indiana by the insurer of the current operator of the former
subsidiary's plant seeking contribution.  In October 1997, the insurer made a
settlement demand of $150,591 to the Company in exchange for a release of the
Company's liability at the site and indemnification from the current operator
against site-related claims.  The Company executed a settlement agreement with
the insurer and current operator for a full site release; however, the current
operator subsequently backed out of the agreement.  The Company is now
evaluating its options.

Management believes the ultimate disposition of this matter will not have a
material adverse effect upon the Company's consolidated financial position,
results of operations, or cash flows.

On March 19, 1996, patent litigation brought by ATD Corporation (ATD) against
Lydall in the U.S. District Court for the Eastern District of Michigan was
concluded with the jury finding in favor of Lydall and with all of ATD's claims
for damages being denied.  A notice of appeal to the U.S. Court of Appeals for
the Federal Circuit regarding this litigation was filed by ATD on March 28,
1997.  The appeal issues were fully briefed and argued in January of 1998.  No
decision has been rendered.  Management believes the ultimate disposition of
this matter will not have a material adverse effect upon the Company's
consolidated financial position, results of operations, or cash flows.



                               43  LYDALL, INC.
<PAGE>
 
Report of Independent Accountants

To the Board of Directors and Stockholders of Lydall, Inc.

We have audited the accompanying consolidated balance sheets of Lydall, Inc. and
Subsidiaries as of December 31, 1997 and 1996, and the related consolidated
statements of income, changes in stockholders' equity, and cash flows for each
of the three years in the period ended December 31, 1997. These financial
statements are the responsibility of the Company's management. Our
responsibility is to express an opinion on these financial statements based on
our audits.

We conducted our audits in accordance with 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 present fairly, in
all material respects, the consolidated financial position of Lydall, Inc. and
Subsidiaries as of December 31, 1997 and 1996, and the consolidated 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.




Hartford, Connecticut

February 18, 1998
                                                   Coopers & Lybrand L.L.P.



Management's Report

While Lydall's financial statements and the related financial data contained in
this Annual Report have been prepared in conformity with generally accepted
accounting principles and such financial statements have been audited by Coopers
& Lybrand L.L.P., the ultimate accuracy and validity of this information is the
responsibility of the Company's management.  To carry out this responsibility,
Lydall maintains comprehensive financial policies, procedures, accounting
systems and internal controls which management believes provide reasonable
assurance that accurate financial records are maintained and corporate assets
are safeguarded.

The Audit Committee of the Board of Directors, consisting of three outside
directors, meets regularly with Company management and the internal auditor to
review corporate financial policies and internal controls.  The Audit Committee
also meets with the independent auditors to review the scope of the annual audit
and any comments they may have regarding the Company's internal accounting
controls.

In management's opinion, Lydall's system of internal accounting control is
adequate to ensure that the financial information in this report presents fairly
the Company's operations and financial condition.



                                            John E. Hanley
                                            Vice President-Finance and Treasurer



                               44  LYDALL, INC.
<PAGE>
 
FIVE-YEAR STATISTICAL REVIEW



<TABLE>
<CAPTION>
- ------------------------------------------------------------------------------------------------------------------------------- 
$ thousands except per-share amounts                             1997          1996          1995          1994          1993
- ------------------------------------------------------------------------------------------------------------------------------- 
<S>                                                       <C>           <C>           <C>           <C>           <C>
Financial results                                         

Net sales                                                 $   244,289   $   252,652   $   252,128   $   213,072   $   157,431
Income before cumulative effect of                        
 accounting change                                             21,911        24,736        22,438        15,503        10,013
Net income                                                     21,911        24,736        22,438        15,503        10,248
- ------------------------------------------------------------------------------------------------------------------------------- 
Common stock per-share data (diluted)                     
Income before cumulative effect of                        
 accounting change                                        $      1.27   $      1.38   $      1.23   $       .87   $       .57
Net income                                                       1.27          1.38          1.23           .87           .58
Common stockholders' equity                                      7.04          6.89          5.88          4.57          3.63
- ------------------------------------------------------------------------------------------------------------------------------- 
Financial position                                        
Total assets                                              $   160,124   $   182,119   $   158,072   $   136,613   $   107,842
Working capital                                                39,203        53,358        52,730        30,823        31,791
Current ratio                                                    2.39          2.24          2.77          1.93          2.48
Long-term debt, net of current maturities                       2,100         5,050         7,750        10,607        11,171
Total stockholders' equity                                    113,030       117,844       101,811        76,227        60,057
Debt to total capitalization                                      4.3%         12.9%          9.4%         15.0%         18.7%
- ------------------------------------------------------------------------------------------------------------------------------- 
Property, plant, and equipment                            
Net property, plant, and equipment                        $    68,860   $    62,038   $    60,074   $    54,771   $    49,364
Capital additions from acquisitions                                 -           500             -         3,077             -
Other capital additions                                        17,104        10,893        12,006         7,979         6,253
Capital divestments, net                                          685           894           632           687           356
Depreciation                                                    7,993         7,824         7,122         6,101         4,997
- ------------------------------------------------------------------------------------------------------------------------------- 
Performance ratios and other items                        
Return on average assets                                         12.8%         14.5%         15.2%         12.7%          9.9%
Return on average common stockholders' equity                    19.0%         22.5%         25.2%         22.8%         18.6%
Return on sales                                                   9.0%          9.8%          8.9%          7.3%          6.5%
Days of inventory on hand (LIFO)                                   33            31            33            36            41
Days of receivables outstanding                                    51            50            49            47            52
Number of employees at year-end                                 1,225         1,268         1,227         1,306           944
- ------------------------------------------------------------------------------------------------------------------------------- 
Shares and stockholders                                   
Weighted average common stock and equivalents              17,319,000    17,988,000    18,197,000    17,864,000    17,520,000
Common stock outstanding at year-end                       16,065,473    17,092,011    17,320,252    16,677,524    16,538,126
Stockholders at year-end                                        1,653         1,855         1,918         1,900         1,904
Market price per share of common stock -                  
 Highest close                                            $     25.75   $     25.87   $     28.50   $     18.63   $     10.69
 Lowest close                                             $     18.50   $     19.75   $     14.75   $     10.13   $      9.50
- ------------------------------------------------------------------------------------------------------------------------------- 
</TABLE> 
Share figures adjusted to reflect a two-for-one stock split in 1995, and a 
three-for-two stock split in 1993.




                               45  LYDALL, INC.
<PAGE>
 
OFFICERS, DIRECTORS AND STOCKHOLDER INFORMATION




Officers

Leonard R. Jaskol
Chairman and Chief Executive Officer

John E. Hanley
Vice President-Finance and Treasurer

Carole F. Butenas
Vice President-Investor Relations

Mary Adamowicz Tremblay
General Counsel and Secretary

Geoffrey W. Nelson
Assistant Secretary

Directors

Lee A. Asseo/2,6/
Retired Chairman and Chief Executive Officer 
The Whiting Company

Paul S. Buddenhagen/1,6/
Partner
Carlisle Fagan Gaskins & Wise, Inc.

James P. Carolan/3/
President
Lydall Technical Papers

Samuel P. Cooley/3,4/
Retired Executive Vice President
and Senior Credit Approval Officer
Fleet Bank Connecticut

W. Leslie Duffy/3,5/
Partner
Cahill Gordon & Reindel

Leonard R. Jaskol/1,5,6/
Chairman and Chief Executive Officer
Lydall, Inc.

William P. Lyons/3,4/
Managing Partner
Madison Partners L.L.C.

Joel Schiavone/1/
President and Chief Executive Officer
The Schiavone Corporation

Elliott F. Whitely/5/
Former President
Lydall Technical Papers

Roger M. Widmann/2,5/
Principal
Tanner & Co. Inc.

Albert E. Wolf/2,4/
Chairman
Checkpoint Systems, Inc.

/1/ Executive Committee
/2/ Compensation and Stock Option Committee
/3/ Pension Committee
/4/ Audit Committee
/5/ Development Committee
/6/ Nominating Committee



Annual Meeting

Lydall's annual meeting will be held on Wednesday, May 13, 1998 at 11:00 a.m.
at The Hartford Club located at 46 Prospect Street in Hartford, Connecticut.
Stockholders who are unable to attend the meeting are invited to mail any
questions they might have about the Company to any of Lydall's Officers.
Questions may also be directed to the Audit Committee of Lydall's Board of
Directors.  Such inquiries may be sent to Samuel P. Cooley, Chairman of the
Audit Committee,
in care of Lydall, Inc.

Transfer Agent
American Stock Transfer & Trust Company
New York, New York

Auditors
Coopers & Lybrand L.L.P.
Hartford, Connecticut



Stockholder Information

Lydall Common Stock is traded on the New York Stock Exchange under the symbol
LDL.  During 1997 and 1996, 7,103,800 and 6,578,300 shares, respectively, were
traded. The closing price on December 31, 1997 was $19.50.

As of March 16, 1998, the record date of Lydall's 1998 Annual Meeting,
stockholders of record held 16,068,885 shares of Common Stock.

The following are the high, low and closing prices of Lydall Common Stock for
each quarter during the past two years.

- ----------------------------------------------------
Quarters            1         2         3         4 
- ----------------------------------------------------
1997 High    $24.0000  $23.6250  $25.7500  $23.9375 
     Low      20.0000   18.7500   20.8750   18.5000 
     Close    20.2500   21.1250   23.4375   19.5000 
                                                   
1996 High    $25.1250  $25.8750  $25.7500  $24.5000 
     Low      19.7500   21.8750   21.0000   20.2500 
     Close    25.0000   22.0000   24.3750   22.5000 
- ----------------------------------------------------

Any stockholder correspondence regarding change of address or other
recordkeeping matters may be addressed to:

Isaac Kagan
American Stock Transfer & Trust Company
40 Wall Street
New York, New York 10005
Telephone: 800-937-5449

All other stockholder correspondence -- questions about the Company and requests
for Lydall's Annual Report and Form 10-K -- may be directed to:

Carole F. Butenas
Vice President-Investor Relations
Lydall, Inc.
P. O. Box 151
Manchester, Connecticut 06045-0151
www.lydall.com
[email protected]



Lydall hires and promotes qualified employees in accordance with the law without
regard to race, color, religion, sex, national origin, age, sexual preference,
marital status, or physical or mental disabilities, except where, in
management's view, a disability interferes with job performance or cannot be
reasonably accommodated.



                               46  LYDALL, INC.

<PAGE>
 
                                  LYDALL, INC.
                                  Exhibit 21.1
                              List of Subsidiaries


Lydall, Inc. - Incorporated in the State of Delaware


Logistics Management, Inc. - Incorporated in the State of Connecticut


Lydall Distribution Services, Inc. - Incorporated in the State of Connecticut


Lydall Express, Inc. - Incorporated in the State of Connecticut


Lydall Transport, Ltd. - Incorporated in the State of Virginia


Lydall Eastern, Inc. - Incorporated in the State of Connecticut
     DBA: Lydall Composite Materials, Covington Operation
          Lydall Southern Products, Richmond Operation
          Lydall Southern Products, Jacksonville Operation
          Lydall Technical Papers
          Lydall & Foulds


Lydall New York, Inc. - Incorporated in the State of New York
     DBA: Lydall Composite Materials, Hoosick Falls Operation
          Lydall Manning Nonwovens Division
          Lydall Manning Fort Washington Division


Lydall Central, Inc. - Incorporated in the State of Indiana
     DBA: Lydall Westex, Hamptonville Operation
          Lydall Westex, Rockwell Operation
          Lydall Westex, Columbus Operation
          Subsidiary: Charter Medical, Ltd. - Incorporated in the State of
          Delaware


Lydall International, Inc. - Incorporated in the State of Delaware


Lydall FSC, Limited - Incorporated in Jamaica


Trident II, Inc. - Incorporated in the State of Connecticut

Sopatex, S.A. - Organized under the laws of France

Axohm Industries, S.A. - Organized under the laws of France
     DBA: Lydall Axohm
          Axohm S.A. Operations

Axohm U.K. - Organized under the laws of Great Britain

<PAGE>
 
                                                                   EXHIBIT 23.1
 
                      CONSENT OF INDEPENDENT ACCOUNTANTS
 
  We consent to the incorporation by reference in the registration statement
of Lydall, Inc. on Form S-8 (File No. 33-93768) of our reports dated February
18, 1998, on our audits of the consolidated financial statements and financial
statement schedule of Lydall, Inc., and Subsidiaries as of December 31, 1997
and 1996, and for the years ended December 31, 1997, 1996 and 1995, which
reports are incorporated by reference from the 1997 Annual Report to
Stockholders, and included, respectively, in this Annual Report on Form 10-K.

                                          Coopers & Lybrand L.L.P.
 
Hartford, Connecticut 
March 25, 1998
 
                                      13

<PAGE>
 
                               POWER OF ATTORNEY

     KNOW ALL MEN BY THESE PRESENTS, that each of the undersigned directors and
officers of Lydall, Inc. (the "Corporation"), does hereby constitute and appoint
Leonard R. Jaskol and John E. Hanley, and each of them singly, as his agent and
attorney-in-fact to do any and all things and acts in his name and in the
capacities indicated below and to execute any and all instruments for him and in
his name in the capacities indicated below which said Leonard R. Jaskol and John
E. Hanley, or either of them, may deem necessary or advisable to enable the
Corporation to comply with the Securities Exchange Act of 1934, as amended, and
any rules, regulations and requirements of the Securities and Exchange
Commission, in connection with the preparation and filing of the Corporation's
Annual Report on Form 10-K (the "Annual Report") respecting the fiscal year
ended December 31, 1997, including specifically, but not limited to, power and
authority to sign for him in his name in the capacities indicated below the
Annual Report and any and all amendments thereto, and each of the undersigned
does hereby ratify and confirm all that said Leonard R. Jaskol and John E.
Hanley, or either of them, shall do or cause to be done by virtue hereof.

     IN WITNESS WHEREOF, each of the undersigned has executed this Power of
Attorney as of the date indicated opposite his or her name.


   Leonard R. Jaskol         Chairman of the            March 16, 1998
 -------------------         Board and Chief                                
Leonard R. Jaskol            Executive Officer
                             


   Lee A. Asseo              Director                   March 16, 1998
- --------------                                               
Lee A. Asseo


   Paul S. Buddenhagen       Director                   March 16, 1998
- ---------------------                               
Paul S. Buddenhagen


   James P. Carolan          Director                   March 16, 1998
- -------------------                                  
James P. Carolan


   Samuel P. Cooley          Director                   March 16, 1998
- -------------------                                  
Samuel P. Cooley


   W. Leslie Duffy           Director                   March 18, 1998
- ------------------                                                    
W. Leslie Duffy                       
                                      
                                      
   William P. Lyons          Director                   March 16, 1998
- -------------------                                                   
William P. Lyons                      
                                      
                                      
   Joel Schiavone            Director                   March 16, 1998
- -----------------                                                     
Joel Schiavone                        
                                      
                                      
   Elliott F. Whitely        Director                   March 16, 1998
- ---------------------                                                 
Elliott F. Whitely                    
                                      
                                      
   Roger M. Widmann          Director                   March 16, 1998
- -------------------                                                   
Roger M. Widmann                      
                                      
                                      
   A. E. Wolf                Director                   March 16, 1998
- -------------                                        
A. E. Wolf

<TABLE> <S> <C>

<PAGE>
<ARTICLE> 5
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               DEC-31-1997
<CASH>                                           8,891
<SECURITIES>                                     3,873
<RECEIVABLES>                                   33,254
<ALLOWANCES>                                   (1,381)
<INVENTORY>                                     15,538
<CURRENT-ASSETS>                                67,427
<PP&E>                                         125,622
<DEPRECIATION>                                  56,762
<TOTAL-ASSETS>                                 160,124
<CURRENT-LIABILITIES>                           28,234
<BONDS>                                          5,050
                                0
                                          0
<COMMON>                                         2,143
<OTHER-SE>                                     110,887
<TOTAL-LIABILITY-AND-EQUITY>                   160,124
<SALES>                                        244,289
<TOTAL-REVENUES>                               244,289
<CGS>                                          166,648
<TOTAL-COSTS>                                  166,648
<OTHER-EXPENSES>                               (1,700)
<LOSS-PROVISION>                                  (57)
<INTEREST-EXPENSE>                                 368
<INCOME-PRETAX>                                 34,453
<INCOME-TAX>                                    12,542
<INCOME-CONTINUING>                             21,911
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    21,911
<EPS-PRIMARY>                                     1.31
<EPS-DILUTED>                                     1.27
        

</TABLE>

<TABLE> <S> <C>

<PAGE>
<ARTICLE> 5
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JUL-01-1997
<PERIOD-END>                               SEP-30-1997
<CASH>                                          13,638
<SECURITIES>                                     9,227
<RECEIVABLES>                                   35,645
<ALLOWANCES>                                     1,348
<INVENTORY>                                     15,664
<CURRENT-ASSETS>                                78,146
<PP&E>                                         123,986
<DEPRECIATION>                                  55,391
<TOTAL-ASSETS>                                 169,276
<CURRENT-LIABILITIES>                           31,878
<BONDS>                                          5,550
                                0
                                          0
<COMMON>                                         2,141
<OTHER-SE>                                     117,818
<TOTAL-LIABILITY-AND-EQUITY>                   169,276
<SALES>                                        185,367
<TOTAL-REVENUES>                               185,367
<CGS>                                          127,195
<TOTAL-COSTS>                                  127,195
<OTHER-EXPENSES>                               (1,162)
<LOSS-PROVISION>                                 (282)
<INTEREST-EXPENSE>                                 360
<INCOME-PRETAX>                                 26,768
<INCOME-TAX>                                     9,912
<INCOME-CONTINUING>                             16,856
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    16,856
<EPS-PRIMARY>                                     1.00
<EPS-DILUTED>                                     0.97
        

</TABLE>

<TABLE> <S> <C>

<PAGE>
 
<ARTICLE> 5
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             APR-01-1997
<PERIOD-END>                               JUN-30-1997
<CASH>                                          11,852
<SECURITIES>                                     8,220
<RECEIVABLES>                                   34,917
<ALLOWANCES>                                     1,518
<INVENTORY>                                     15,661
<CURRENT-ASSETS>                                75,110
<PP&E>                                         121,381
<DEPRECIATION>                                  54,566
<TOTAL-ASSETS>                                 164,825
<CURRENT-LIABILITIES>                           31,457
<BONDS>                                          5,550
                                0
                                          0
<COMMON>                                         2,138
<OTHER-SE>                                     113,040
<TOTAL-LIABILITY-AND-EQUITY>                   164,825
<SALES>                                        125,990
<TOTAL-REVENUES>                               125,990
<CGS>                                           86,691
<TOTAL-COSTS>                                   86,691
<OTHER-EXPENSES>                                 (584)
<LOSS-PROVISION>                             (148,508) 
<INTEREST-EXPENSE>                                 277
<INCOME-PRETAX>                                 18,205
<INCOME-TAX>                                     6,864
<INCOME-CONTINUING>                             11,341
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    11,341
<EPS-PRIMARY>                                     0.67 
<EPS-DILUTED>                                     0.65
        

</TABLE>

<TABLE> <S> <C>

<PAGE>
 
<ARTICLE> 5
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               MAR-31-1997
<CASH>                                          24,055
<SECURITIES>                                     4,943
<RECEIVABLES>                                   34,339
<ALLOWANCES>                                   (1,647)
<INVENTORY>                                     15,832
<CURRENT-ASSETS>                                82,669
<PP&E>                                         118,643
<DEPRECIATION>                                  52,855
<TOTAL-ASSETS>                                 171,632
<CURRENT-LIABILITIES>                           34,637
<BONDS>                                          8,250
                                0
                                          0
<COMMON>                                         2,123
<OTHER-SE>                                     114,135
<TOTAL-LIABILITY-AND-EQUITY>                   171,632
<SALES>                                         61,971
<TOTAL-REVENUES>                                61,971
<CGS>                                           42,708
<TOTAL-COSTS>                                   42,708
<OTHER-EXPENSES>                                 (250)
<LOSS-PROVISION>                                 (162)
<INTEREST-EXPENSE>                                 158
<INCOME-PRETAX>                                  9,017
<INCOME-TAX>                                     3,392
<INCOME-CONTINUING>                              5,625
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     5,625
<EPS-PRIMARY>                                     0.33
<EPS-DILUTED>                                     0.32
        

</TABLE>

<TABLE> <S> <C>

<PAGE>
 
<ARTICLE> 5
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             JAN-01-1996
<PERIOD-END>                               DEC-31-1996
<CASH>                                          38,226
<SECURITIES>                                     4,941
<RECEIVABLES>                                   34,427
<ALLOWANCES>                                   (1,727)
<INVENTORY>                                     14,680
<CURRENT-ASSETS>                                96,371
<PP&E>                                         113,347
<DEPRECIATION>                                  51,309
<TOTAL-ASSETS>                                 182,119
<CURRENT-LIABILITIES>                           43,013
<BONDS>                                         17,500
                                0
                                          0
<COMMON>                                         2,112
<OTHER-SE>                                     115,732
<TOTAL-LIABILITY-AND-EQUITY>                   182,119
<SALES>                                        252,652
<TOTAL-REVENUES>                               252,652
<CGS>                                          170,597
<TOTAL-COSTS>                                  170,597
<OTHER-EXPENSES>                                 (577)
<LOSS-PROVISION>                                  (28)
<INTEREST-EXPENSE>                                 518
<INCOME-PRETAX>                                 39,854
<INCOME-TAX>                                    15,118
<INCOME-CONTINUING>                             24,736
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    24,736
<EPS-PRIMARY>                                     1.44
<EPS-DILUTED>                                     1.38
        

</TABLE>

<TABLE> <S> <C>

<PAGE>
<ARTICLE> 5
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             JUL-01-1996
<PERIOD-END>                               SEP-30-1996
<CASH>                                          35,298 
<SECURITIES>                                     2,518
<RECEIVABLES>                                   34,533
<ALLOWANCES>                                   (2,009)
<INVENTORY>                                     14,357
<CURRENT-ASSETS>                                90,961
<PP&E>                                         110,520
<DEPRECIATION>                                  50,196
<TOTAL-ASSETS>                                 165,891
<CURRENT-LIABILITIES>                           31,762
<BONDS>                                          7,792
                                0
                                          0
<COMMON>                                         2,108
<OTHER-SE>                                     109,601
<TOTAL-LIABILITY-AND-EQUITY>                   165,891
<SALES>                                        193,170
<TOTAL-REVENUES>                               193,170
<CGS>                                          131,458
<TOTAL-COSTS>                                  131,458
<OTHER-EXPENSES>                                 (239)
<LOSS-PROVISION>                                   159
<INTEREST-EXPENSE>                                 457
<INCOME-PRETAX>                                 29,987
<INCOME-TAX>                                    11,371
<INCOME-CONTINUING>                             18,616
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    18,616
<EPS-PRIMARY>                                     1.09
<EPS-DILUTED>                                     1.04
        

</TABLE>

<TABLE> <S> <C>

<PAGE>
 
<ARTICLE> 5
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             APR-01-1996
<PERIOD-END>                               JUN-30-1996
<CASH>                                          28,440
<SECURITIES>                                     2,273
<RECEIVABLES>                                   37,539
<ALLOWANCES>                                   (2,004)
<INVENTORY>                                     14,933
<CURRENT-ASSETS>                                87,738
<PP&E>                                         108,077
<DEPRECIATION>                                  48,561
<TOTAL-ASSETS>                                 162,086
<CURRENT-LIABILITIES>                           32,064
<BONDS>                                          7,833
                                0
                                          0
<COMMON>                                         2,102
<OTHER-SE>                                     105,801
<TOTAL-LIABILITY-AND-EQUITY>                   162,086
<SALES>                                        133,463
<TOTAL-REVENUES>                               133,463
<CGS>                                           91,150
<TOTAL-COSTS>                                   91,150
<OTHER-EXPENSES>                                  (64)
<LOSS-PROVISION>                                   165
<INTEREST-EXPENSE>                                 314
<INCOME-PRETAX>                                 20,683
<INCOME-TAX>                                     7,847
<INCOME-CONTINUING>                             12,836
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    12,836
<EPS-PRIMARY>                                     0.75
<EPS-DILUTED>                                     0.72
        

</TABLE>

<TABLE> <S> <C>

<PAGE>
 
<ARTICLE> 5
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             JAN-01-1996
<PERIOD-END>                               MAR-31-1996
<CASH>                                          26,423
<SECURITIES>                                     1,977
<RECEIVABLES>                                   36,910
<ALLOWANCES>                                     1,966
<INVENTORY>                                     15,482
<CURRENT-ASSETS>                                84,891
<PP&E>                                         106,690
<DEPRECIATION>                                  47,268
<TOTAL-ASSETS>                                 159,490
<CURRENT-LIABILITIES>                           33,352
<BONDS>                                         10,076
                                0
                                          0
<COMMON>                                         2,097
<OTHER-SE>                                      99,075
<TOTAL-LIABILITY-AND-EQUITY>                   159,490
<SALES>                                         65,794
<TOTAL-REVENUES>                                65,794
<CGS>                                           45,003
<TOTAL-COSTS>                                   45,003
<OTHER-EXPENSES>                                  (17)     
<LOSS-PROVISION>                                    59
<INTEREST-EXPENSE>                                 182
<INCOME-PRETAX>                                  9,592
<INCOME-TAX>                                     3,627
<INCOME-CONTINUING>                              5,965
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     5,965
<EPS-PRIMARY>                                     0.35
<EPS-DILUTED>                                     0.33
        

</TABLE>

<TABLE> <S> <C>

<PAGE>
 
<ARTICLE> 5
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1995
<PERIOD-START>                             JAN-01-1995
<PERIOD-END>                               DEC-31-1995
<CASH>                                          27,820
<SECURITIES>                                       913
<RECEIVABLES>                                   34,849
<ALLOWANCES>                                   (1,938)
<INVENTORY>                                     14,124
<CURRENT-ASSETS>                                82,469
<PP&E>                                         105,467
<DEPRECIATION>                                  45,393
<TOTAL-ASSETS>                                 158,072
<CURRENT-LIABILITIES>                           29,739
<BONDS>                                         10,621
                                0
                                          0
<COMMON>                                         2,089
<OTHER-SE>                                      99,722
<TOTAL-LIABILITY-AND-EQUITY>                   158,072
<SALES>                                        252,128
<TOTAL-REVENUES>                               252,128
<CGS>                                          174,430
<TOTAL-COSTS>                                  174,430
<OTHER-EXPENSES>                                   155
<LOSS-PROVISION>                                   503
<INTEREST-EXPENSE>                                 778
<INCOME-PRETAX>                                 36,875
<INCOME-TAX>                                    14,437
<INCOME-CONTINUING>                             22,438
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    22,438
<EPS-PRIMARY>                                     1.30
<EPS-DILUTED>                                     1.23
        

</TABLE>


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