GLATFELTER P H CO
10-K, 1999-03-22
PAPER MILLS
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<PAGE>   1
                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
                                    FORM 10-K
                ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF
                       THE SECURITIES EXCHANGE ACT OF 1934


For the fiscal year ended                               Commission file number
December 31, 1998                                             1-3560

                            P. H. GLATFELTER COMPANY
             ------------------------------------------------------
             (Exact name of registrant as specified in its charter)

         Pennsylvania                                      23-0628360
- -------------------------------                        ----------------
(State or other jurisdiction of                        (I.R.S. Employer
incorporation or organization)                         Identification No.)
       228 South Main Street
      Spring Grove, Pennsylvania                             17362
- ----------------------------------------                  ----------
(Address of principal executive offices)                  (Zip Code)

Registrant's telephone number,                           (717) 225-4711
        including area code                              --------------

Securities registered pursuant to Section 12(b) of the Act:

    Common Stock                                New York Stock Exchange
- ---------------------                -------------------------------------------
(Title of each class)                (Name of each exchange on which registered)

Securities registered pursuant to Section 12(g) of the Act:

                                      None
                                ----------------
                                (Title of Class)

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 the definitive proxy statement
incorporated by reference in Part III of this Form 10-K or any amendment to this
Form 10-K. [ ]

The aggregate market value of the Common Stock of the Registrant held by
non-affiliates at March 3, 1999 was $270,301,318.

Common Stock outstanding at March 3, 1999: 42,130,000 Shares


                       DOCUMENTS INCORPORATED BY REFERENCE

                   Portions of the following documents are incorporated by
reference in this Report on Form 10-K.

                   1.     Proxy Statement dated March 19, 1999 (Part III)





<PAGE>   2



                                     PART I


Item 1.     Business.

                   The Registrant, a paper manufacturing company, began
operations in Spring Grove, Pennsylvania in 1864 and was incorporated as a
Pennsylvania corporation in 1905. On January 30, 1979 the Registrant acquired by
merger Bergstrom Paper Company with paper mills located in Wisconsin and Ohio.
The Ohio mill was sold on September 10, 1984. On May 7, 1987 the Registrant
acquired all of the outstanding capital stock of Ecusta Corporation ("Ecusta")
with a paper mill located in Pisgah Forest, North Carolina and other operations
in North Dakota, Canada and Australia. Ecusta was merged into and became a
division of the Registrant on June 30, 1987. On January 2, 1998 the Registrant
acquired S&H Papier-Holding GmbH ("S&H") with operations in Germany, France, the
Philippines and the United States.

                   The Registrant has three paper mills located in the United
States: Spring Grove, Pennsylvania, Pisgah Forest, North Carolina and Neenah,
Wisconsin. The Registrant also has a paper mill in Gernsbach, Germany and a 50%
controlling ownership interest in a paper mill in Odet, France. The Registrant
manufactures engineered papers and specialized printing papers.

                   The Registrant's engineered papers are used in the
manufacture of a variety of products, including tea bags, cigarette tipping and
plug wrap papers, metalized beverage labels, decorative laminates, food product
casings, stencil papers, photo-glossy ink jet papers, greeting cards, medical
dressings, highway signs and striping, billboard graphics, decorative shopping
bags, playing cards, postage stamps, filters, labels and surgical gowns. Sales
of these papers are generally made directly to the converter of the paper.
Engineered papers are manufactured in each of the Registrant's mills.

                   Most of the Registrant's specialized printing paper products
are directed at the uncoated free-sheet portion of the industry. The
Registrant's specialized printing paper products are used principally for the
printing of case bound and quality paperback books, commercial and financial
printing and envelope converting. Specialized printing papers are manufactured
in each of the Registrant's mills.

                   In 1998, sales of paper for book publishing and commercial
printing generally were made through wholesale paper merchants, whereas sales of
paper to financial printers and converters generally were made directly. During
both 1996 and




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1997, the Registrant's wholesale paper merchant, Central National-Gottesman Inc.
("CNGI") (which buys paper through its division, Lindenmeyr Book Publishing)
accounted for 12% of the Registrant's net sales. Net sales to CNGI were less
than 10% of the Registrant's net sales during 1998 as S&H did not sell any
products to CNGI.

                   A significant portion of the Pisgah Forest mill's sales and a
modest portion of the sales from the Gernsbach and Odet mills are made to a
limited number of major tobacco companies. The current legal and regulatory
pressures on the tobacco industry in the United States could have an adverse
effect on the future tobacco paper sales and profitability of these mills. The
Registrant continues its efforts to remain cost competitive within this market
and will attempt to replace any lost sales and profitability with sales of
lightweight specialty printing papers and cost reductions.

                   Set forth below is the amount (in thousands) and percentage
of net sales contributed by each of the Registrant's two classes of similar
products during each of the years ended December 31, 1998, 1997 and 1996.

                                   Years Ended December 31,


<TABLE>
<CAPTION>
                      1998                               1997                       1996
                      ----                               ----                       ----
                 Net Sales*            %            Net Sales         %        Net Sales         %
                 ---------             -            ---------         -        ---------         -

<S>                <C>              <C>               <C>           <C>          <C>           <C> 
Specialized
Printing
Papers               $351,171          50%              $354,076       62%         $355,328       63%
Engineered
Papers                353,907          50%               212,996       38%          210,756       37%
                     --------          ---              --------       ---          -------       ---
Total                $705,078         100%              $567,072      100%         $566,084      100%
</TABLE>

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

*              S&H was acquired on January 2, 1998.

               See Note 11 to the Registrant's 1998 consolidated financial
statements in Item 8 for certain geographic disclosure.

               The competitiveness of the markets in which the Registrant sells
its products varies. The necessity for technical expertise limits the number of
competitors for the Registrant's engineered papers, excluding tobacco papers.
Competition for tobacco papers currently is keen as a result of




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excess worldwide capacity along with stagnant growth in worldwide tobacco
consumption. There are a number of concerns in the United States manufacturing
specialized printing papers and no one company holds a dominant position.
Capacity in the uncoated free-sheet industry, which includes uncoated
specialized printing papers, is not expected to increase significantly for the
next few years.

               Service, product performance and technological advances are
important competitive factors in all of the Registrant's businesses. The
Registrant believes its reputation in these areas continues to be excellent.

               Backlogs are generally not significant in the Registrant's
business, as substantially all of the Registrant's customer orders are produced
within 30 days of receipt. A backlog of unmade customer orders is monitored
primarily for purposes of scheduling production to optimize paper machine
performance. From time to time, the Registrant may determine that the backlog of
unmade orders, along with high finished goods inventory levels, may be
insufficient to warrant a full schedule of paper machine production. In these
circumstances, certain paper machines may be temporarily shut-down until backlog
and inventory levels warrant a resumption of operations.

               The principal raw material used at the Spring Grove mill is
pulpwood. In 1998, the Registrant acquired approximately 79% of its pulpwood
from saw mills and independent logging contractors and 21% from Company-owned
timberlands. Hardwood and softwood purchases constituted 53% and 47% of the
pulpwood acquired, respectively. Hardwoods are available within a relatively
short distance of the Registrant's Spring Grove mill. Softwood is obtained
primarily from Maryland, Delaware and Virginia. In order to protect its sources
of pulpwood, the Registrant actively promotes conservation and forest management
among suppliers and woodland owners. In addition, its subsidiary, The Glatfelter
Pulp Wood Company, has acquired, and is acquiring, woodlands, particularly
softwood growing land, with the objective of having a significant portion of the
Registrant's softwood requirement available from Company-owned woodlands.

               The Spring Grove pulp mill converts the pulpwood into wood pulp
for use in its papermaking operations. In addition to the pulp it produces, the
Spring Grove mill purchases market pulp from others.

               The principal raw material used by the Neenah mill is high-grade
recycled wastepaper. The quality of different types of high-grade wastepaper
varies significantly depending on the amount of contamination. Wastepaper
prices, although down




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slightly, were relatively stable throughout 1998. It is anticipated that there
will be an adequate supply of wastepaper in the future. During December 1996,
the Neenah mill completed a project increasing its capacity to recycle lower
quality high grade wastepapers. Although this project did not increase the
mill's total de-inking capacity, it has reduced costs.

               The major raw materials used at the Ecusta mill are purchased
wood pulp and processed flax straw, which is derived from linseed flax plants.
The current supply of wood pulp and flax straw is sufficient for the present and
anticipated future operations at the Ecusta mill. Ecusta receives a majority of
its processed flax straw from the Registrant's Canadian operation.

               The principal raw materials used by the Gernsbach and Odet mills
are purchased pulp and abaca pulp provided by S&H's Philippine pulpmill. The
current supply of such materials is sufficient for the present and anticipated
future operations of these mills.

               Wood pulp consumed which was purchased from others comprised
approximately 137,000 short tons or 28% of the total 1998 fiber requirements of
the Registrant. The average cost of purchased pulp during 1998 decreased
slightly from 1997. Although purchased pulp prices have decreased modestly
during the first two months of 1999, price increases have been announced for
certain pulps effective during the second quarter of 1999. There is no certainty
that any or all of these announced price increases will be realized.

               The Registrant's Spring Grove mill generates all of its steam
requirements and is 100% self-sufficient in electrical energy generation. The
mill also produces excess electricity which is sold to the local power company
under a long-term co-generation contract. These net energy sales were $9,652,000
in 1998. Principal fuel sources used by the Spring Grove mill are coal, spent
chemicals, bark and wood waste, and oil, which were used to produce
approximately 55%, 37%, 7% and 1%, respectively, of the total energy internally
generated at the Spring Grove mill in 1998.

               The Pisgah Forest mill generates all of its steam requirements
and a majority of its electric power requirements (60% in 1998) and purchases
the remainder of its electric power requirements. Coal was used to produce
essentially all of the mill's internally generated energy during 1998.

               During 1998, the Neenah mill began to purchase steam under a
twenty year contract from a facility of Minergy Corporation. The facility, which
is located adjacent to the




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Neenah mill, processes paper mill sludge from the Neenah mill as well as other
mills in the Neenah area. During 1998, the Neenah mill purchased 61% of its
steam from Minergy Corporation and generated 39% of its steam requirements. The
Registrant expects to purchase approximately 80% of its steam requirements from
Minergy Corporation during 1999. The Neenah mill generates a portion of its
electric power requirements (13% in 1998) and purchases the remainder of its
electric power requirements. Gas was used to produce 87% of the mill's
internally generated steam during 1998 with fuel oil being used to generate the
remainder.

               The Gernsbach and Odet mills both generate all of their own steam
requirements. The Gernsbach mill generated approximately 33% of its 1998
electric power requirements and purchased the balance. Gas was used to produce
almost all of the mill's internally generated energy during 1998. The Odet mill
purchased all of its 1998 electric power requirements.

               At December 31, 1998, the Registrant had 3,833 active full-time
employees.

               Hourly employees at the Registrant's U.S. mills are represented
by different locals of the United Paperworkers International Union, AFL-CIO (the
"Union"). In October 1996 a five-year labor agreement covering approximately 990
employees at the Pisgah Forest mill was ratified. A five-year labor agreement
covering approximately 320 employees at the Neenah mill was ratified in August
1997. A five-year labor agreement covering approximately 740 employees in Spring
Grove was ratified in January 1998. Under all of these agreements, wages
increased by 3% in 1998 and will increase by 3% per year for the duration of the
agreements.

               Approximately 775 hourly employees at the Registrant's S&H
locations are represented by various unions. The labor agreement covering
approximately 570 hourly employees at the Gernsbach mill expired on February 28,
1999. The terms and conditions of the expired agreement remain in effect until a
new agreement is negotiated. The Registrant is not directly involved in these
negotiations as the agreement is being negotiated by paper industry
representatives. This situation is not unusual at the Gernsbach mill and the
Registrant does not believe that the lack of an agreement will result in any
significant operational interruptions.

ENVIRONMENTAL MATTERS

               The Registrant is subject to loss contingencies resulting from
regulation by various federal, state, local and foreign governmental authorities
with respect to the




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environmental impact of air and water emissions and noise from its mills, as
well as the disposal of solid waste generated by its operations. To comply with
environmental laws and regulations, the Registrant has incurred substantial
capital and operating expenditures over the past several years. The Registrant
anticipates that environmental regulation of its operations will continue to
become more burdensome and that capital and operating expenditures will
continue, and perhaps increase, in the future. In addition, the Registrant may
incur obligations to remove or mitigate any adverse effects on the environment
resulting from its operations, including the restoration of natural resources,
and liability for personal injury and damage to property, including natural
resources. For further information with respect to such compliance, reference is
made to Item 3 of this report.

               Compliance with government environmental regulations is a matter
of high priority to the Registrant. In order to meet environmental requirements,
the Registrant has undertaken certain projects. During 1998, the Registrant
expended approximately $4,900,000 on environmental capital projects. The
Registrant estimates that $11,000,000 and $18,000,000 will be expended for
environmental capital projects in 1999 and 2000, respectively. Since capital
expenditures for pollution abatement generally do not increase the productivity
or efficiency of the Registrant's mills, the Registrant's earnings have been and
will be adversely affected to the extent that selling prices have not been and
cannot be increased to offset additional incremental operating costs, including
depreciation, resulting from such capital expenditures and to offset additional
interest expense on the amounts expended for environmental purposes. Since
environmental regulations are not consistent worldwide, the Registrant's ability
to compete in the world marketplace may be adversely affected by capital and
operating expenditures required for environmental compliance.

               The Registrant, along with six other companies which operate or
formerly operated facilities along the Fox River in Wisconsin, has been in
discussions with the Wisconsin Department of Natural Resources ("DNR") and the
United States regarding the alleged discharge of polychlorinated biphenyls
("PCBs") and other hazardous substances to the Fox River below Lake Winnebago
(the "lower Fox River") and the Bay of Green Bay.

               On January 30, 1997, the Registrant and the six other companies
entered into an agreement with the State of Wisconsin (the "Wisconsin
Agreement") which was intended to establish a framework for the final resolution
of claims for natural resources damages and other relief which the State asserts
against the companies. Under the agreement, the companies are




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<PAGE>   8



required to provide in the aggregate $10 million in work and funds to facilitate
natural resources damages assessment activities, including, among other things,
modeling and risk assessment, as well as field scale demonstration of sediment
dredging and the enhancement of certain environmental amenities. The actual cost
to be incurred by the companies for such activities will exceed $10 million.
Such costs are expected to be incurred over a four-year period, although the
bulk of the amount should be spent by the end of 1999. The Registrant's final
allocated portion of such costs is unknown. The State has agreed to act as "lead
authorized official" under federal law for purposes of any assessment of damages
to natural resources within Wisconsin, except those within the administrative
jurisdiction of a federal agency. The United States Fish and Wildlife Service
("USFWS"), together with the National Oceanic and Atmospheric Administration and
two Indian tribes, however, is conducting its own assessment despite the State's
status. In general, the parties to the Wisconsin Agreement have agreed to toll
all limitations periods and to forbear from litigation during the term of the
agreement. The parties intend to conclude a final resolution of all of the
State's claims during the course of, or after completion of, the work called for
by the agreement.

               By letter dated January 31, 1997, and received by the Registrant
on February 3, 1997, the USFWS provided 60 days' notice of the intention of the
United States Departments of the Interior and Commerce to commence an action for
natural resources damages against the Registrant and the six other companies
referred to above similarly relating to the discharge of hazardous substances
into the lower Fox River. The Registrant does not know the amount which the
federal trustees will claim as natural resources damages, but the Registrant
believes that it will be substantial. Beginning as of March 1, 1997, the
Registrant and six other companies entered into a series of agreements with the
United States which provided that all limitation periods were tolled and the
parties would forbear from litigation; the last tolling and forbearance period
expired on December 2, 1997.

               On July 11, 1997, the Wisconsin DNR, the United States Department
of the Interior, the Menominee Indian Tribe of Wisconsin, the Oneida Tribe of
Indians of Wisconsin, the National Oceanic and Atmospheric Administration and
the United States Environmental Protection Agency (the "EPA") entered into a
Memorandum of Agreement (the "MOA") which provides for coordination and
cooperation among those parties in addressing the release or threat of release
of hazardous substances into the lower Fox River, Green Bay and Lake Michigan
environment. The MOA sets forth a mutual goal of remediating and/or responding
to hazardous substance releases and threats of releases, and




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restoring injured and potentially injured natural resources. The MOA further
states that, based on current information, removal of the PCB-contaminated
sediments in the lower Fox River is expected to be the principal, but not
exclusive, action undertaken to achieve restoration and rehabilitation of
injured natural resources. The MOA anticipates funding from the Registrant and
the six other companies, all of which are identified as potentially responsible
parties.

               The EPA has proposed to include the Fox River/Green Bay site on
the National Priorities List maintained pursuant to the Comprehensive
Environmental Response, Compensation and Liability Act. The EPA rejected the
potentially responsible parties' offer to perform a remedial investigation and
feasibility study ("RI/FS") for the site and the Wisconsin DNR commenced
preparation of the RI/FS.

               On February 26, 1999, the Wisconsin DNR released for public
comment a draft RI/FS for the lower Fox River. In the draft RI/FS, Wisconsin DNR
reviewed and summarized a number of possible remedial alternatives for the site
estimated to cost in the range of $0 to $721,000,000, but did not select a
preferred remedy. The Registrant does not believe that the no action ($0) remedy
will be selected. The largest components of the costs of certain of the remedial
alternatives are attributable to large-scale sediment removal and disposal.
There is no assurance that many of the cost estimates in the draft RI/FS will
not differ significantly from actual costs. Public comments on the draft RI/FS
must be submitted by April 12, 1999. The Registrant intends to submit its
comments prior to that deadline. After consideration of public comments, the
draft RI/FS may be revised to add to, delete or amend the remedial alternatives.

               The Registrant did not participate in the process of developing
the draft RI/FS. Based on current information and advice from its environmental
consultants, the Registrant continues to believe that an aggressive effort, as
included in certain remedial alternatives in the draft RI/FS, to remove
PCB-contaminated sediments, many of which are buried under cleaner material or
are otherwise unlikely to move, would be environmentally detrimental and
therefore inappropriate.

               The Registrant is currently unable to predict its ultimate costs
related to this matter because the Registrant cannot predict which remedy will
be selected for the site or its share of the cost of that remedy.

               The Registrant continues to believe it is likely that this matter
will result in litigation. The Registrant also believes it will be able to
persuade a court that removal of a




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substantial amount of PCB-contaminated sediments is not an appropriate remedy.
There can be no assurance, however, that the Registrant will be successful in
arguing that removal of PCB-contaminated sediments is inappropriate, that it
would prevail in any resulting litigation, that its share of the cost of any
remedy selected would not have a material adverse effect on the Registrant's
consolidated financial condition, liquidity and results of operations or that
the Registrant's share of such cost would not exceed its available resources.

               The amount and timing of future expenditures for environmental
compliance, clean-up, remediation and personal injury and property damage
liability, including but not limited to those related to the lower Fox River and
the Bay of Green Bay, cannot be ascertained with any certainty due to, among
other things, the unknown extent and nature of any contamination, the extent and
timing of any technological advances for pollution control, the remedial actions
which may be required and the number and financial resources of any other
responsible parties. The Registrant continues to evaluate its exposure and the
level of its reserves including, but not limited to, its share of the agreement
reached with the State regarding the lower Fox River and the Bay of Green Bay,
its negotiations with the State and the United States concerning those areas and
the unknown amount which could be claimed by the federal trustees as natural
resource damages related to the lower Fox River. The Registrant believes that it
is insured against certain losses related to the lower Fox River, depending on
the nature and amount thereof. Coverage, which is currently being investigated
under reservation of rights by various insurance companies, is dependent upon
the identity of the plaintiff, the procedural posture of the claims asserted and
how such claims are characterized. The Registrant does not know when the
insurers' investigation as to coverage will be completed.

               The Registrant's current assessment, after consultation with
legal counsel, is that future expenditures for these matters are not likely to
have a material adverse impact on the Registrant's consolidated financial
condition or liquidity, but could have a material adverse effect on the
Registrant's consolidated results of operations in a given year; however, there
can be no assurances that the Registrant's reserves will be adequate or that a
material adverse effect on the Registrant's consolidated financial condition or
liquidity will not occur at some future time.









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<PAGE>   11



Item 2.        Properties.

               The Registrant's executive offices are located in Spring Grove,
Pennsylvania, 11 miles southwest of York. The Registrant's paper mills are
located in Spring Grove, Pisgah Forest, North Carolina, Neenah, Wisconsin and
Gernsbach, Germany. The Registrant also has a 50% ownership interest in a paper
mill in Odet, France.

               The Spring Grove facilities include seven uncoated paper machines
with a daily capacity ranging from 12 to 308 tons and an aggregate annual
capacity of about 302,000 tons of finished paper. The machines have been rebuilt
and modernized from time to time. During 1997, the Spring Grove mill completed
its Gravure Coater ("G-Coater") capital project. Although sales from the
G-Coater were disappointing during 1998, the Registrant views the G-Coater as an
important long-term strategic project which will allow it to expand its more
profitable engineered paper product group. The G-Coater, along with Spring
Grove's off-line combi-blade coater, gives the Registrant a potential annual
production capacity for coated paper of approximately 53,000 tons. Since
uncoated paper is used in producing coated paper, this does not represent an
increase in the Spring Grove mill capacity. The Spring Grove facilities also
include a pulpmill, which has a production capacity of approximately 650 tons of
bleached pulp per day.

               During the first quarter of 1998, the Registrant completed
construction of a precipitated calcium carbonate ("PCC") plant at its Spring
Grove mill. This plant reduced the cost of PCC at this mill as well as lowered
the need for higher priced raw materials used for increasing the opacity and
brightness of certain papers.

               The Pisgah Forest facilities include twelve paper machines, stock
preparation equipment, a modified kraft bleached flax pulpmill with thirteen
rotary digesters, a PCC plant and a small recycled pulping operation. The annual
lightweight paper capacity is approximately 99,000 tons. Nine paper machines are
essentially identical while the newer, larger three machines have design
variations specific for the products produced. Converting equipment includes
winders, calendars, slitters, perforators and printing presses. Due to current
high finished tobacco paper goods inventory levels, one of Pisgah Forest's
smaller machines ran intermittently during 1998 and is only expected to run
during some portions of 1999.

               The Neenah facilities, consisting of a paper manufacturing mill,
converting plant and offices, are located at two sites. The Neenah mill includes
three paper machines, with




                                       10

<PAGE>   12



an aggregate annual capacity of approximately 162,000 tons and a wastepaper
de-inking and bleaching plant with an annual capacity of approximately 97,000
tons. The converting plant contains a paper processing area and warehouse space.

               As noted in Item 1, on January 2, 1998, the Registrant acquired
S&H, which owns and operates a paper mill in Gernsbach, Germany and has a 50%
ownership interest in a paper mill in Odet, France. S&H also has a pulpmill in
the Philippines which supplies abaca pulp to its paper mills. In addition, S&H
owns and operates facilities in Wisches, France and Summerville, South Carolina.

               The Gernsbach facility includes five uncoated paper machines with
an aggregate annual lightweight capacity of about 34,000 tons. In addition, the
Gernsbach facility has the capacity to produce 7,700 tons of metalized papers
annually, using a lacquering machine and two metalizers. The base paper used to
manufacture the metalized paper is purchased. The Odet facility includes two
paper machines with an aggregate annual lightweight capacity of approximately
4,900 tons of finished paper. The Philippine pulpmill has an aggregate annual
capacity of approximately 8,200 tons of abaca pulp. Of this amount,
approximately 7,900 tons are supplied to the Gernsbach and Odet paper mills,
with the remainder being sold to outside parties. The Gernsbach and Odet paper
mills obtain approximately 97% of their abaca pulp from the Philippine pulpmill.

               The Glatfelter Pulp Wood Company, a subsidiary of the Registrant,
owns and manages approximately 112,000 acres of land, most of which is
timberland.

               The Registrant owns substantially all of the properties used in
its papermaking operations, except for certain land leased from the City of
Neenah under leases expiring in 2050, on which wastewater treatment, storage and
other facilities and a parking lot are located. All of the Registrant's
properties, other than those which are leased, are free from any material liens
or encumbrances. In conjunction with a financing transaction between the
Registrant and one of its subsidiaries completed in February 1997, however, the
Registrant secured the indebtedness to the subsidiary incurred in the
transaction with mortgages on real estate assets having a value of approximately
$300 million. The Registrant considers that all of its buildings are in good
structural condition and well-maintained and its properties are suitable and
adequate for present operations.








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<PAGE>   13



Item 3.        Pending Legal Proceedings.

               For a discussion of potential legal proceedings involving the
lower Fox River, see "Environmental Matters" in Part I of this report. The
Registrant does not believe that the other environmental matters discussed below
will have a material adverse effect on its business or consolidated financial
position or results of operations.

               On May 16, 1989, the Pennsylvania Environmental Hearing Board
approved and entered an Amended Consent Adjudication between the Registrant and
the Pennsylvania Department of Environmental Resources, now known as the
Department of Environmental Protection ("DEP"), in connection with the
Registrant's permit to discharge effluent into the West Branch of the Codorus
Creek. The Amended Consent Adjudication establishes limitations on in-stream
color, and requires the Registrant to conduct certain studies and to submit
certain reports regarding internal and external measures to control the
discharge of color and certain other adverse byproducts of chlorine bleaching to
the West Branch of the Codorus Creek. The Pennsylvania DEP continues to review
the most recent report, and has raised concerns about whether the Registrant has
complied with all aspects of the Amended Consent Adjudication. The Registrant
and the Pennsylvania DEP presently are discussing whether to enter into an
agreement to install additional wastewater pollution controls which would be
expected to reduce levels of color discharged.

               During 1990 and again in 1991, the Pennsylvania DEP proposed to
reissue the Registrant's wastewater discharge permit on terms with which the
Registrant does not agree. The Pennsylvania DEP issued a new proposed permit on
March 4, 1997, which addressed to the Registrant's satisfaction several issues
raised in its earlier comments, although the Registrant submitted comments
pertaining to certain remaining concerns. The EPA formally objected to this
proposed permit, and the Pennsylvania DEP agreed to issue a revised proposed
permit which would attempt to address the EPA's objections and the other
comments the Pennsylvania DEP had received. The Pennsylvania DEP sent a revised
draft permit to the Registrant on December 24, 1997. The Pennsylvania DEP issued
a revised draft permit on February 26, 1998, in response to which EPA withdrew
its objection. On January 16, 1999, the Pennsylvania DEP published for comment
another revised draft permit in which, among other things, the Pennsylvania DEP
proposed to establish further requirements for controlling color and dioxin
discharge levels through a separately-negotiated consent order. Discussions
between the Registrant and the Pennsylvania DEP over whether to enter a consent
order and what the consent order would provide are ongoing. Otherwise, the
Registrant still objects to certain




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<PAGE>   14



permit terms, and expects to litigate any terms which remain unacceptable in the
final permit. If any other party elects to appeal reissuance of the permit, the
Registrant would expect to defend that appeal. The Registrant continues to
lawfully operate under its earlier permit, the expiration of which is
administratively extended, while this renewal proceeding remains pending.


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

        Not Applicable.


Executive Officers of the Registrant.


<TABLE>
Executive Officers                 Office                                                    Age
- ------------------                 ------                                                    ---
<S>                               <C>                                                       <C>
G. H. Glatfelter II                President and Chief Executive                              47
                                   Officer (a)
T. C. Norris                       Chairman (b)                                               60
R. P. Newcomer                     Executive Vice President and Chief                         50
                                   Financial Officer (c)
E. J. Gillis                       Vice President - Business                                  51
                                   Development (d)
R. S. Lawrence                     Vice President - General Manager,                          59
                                   Ecusta Division
L. R. Hall                         Vice President - General Manager,                          61
                                   Glatfelter Division (e)
R. L. Miller                       Vice President - International                             52
                                   Business (f)
J. F. Myers                        Vice President - Manufacturing                             60
                                   Technology (g)
C. M. Smith                        Vice President - Finance (h)                               40
R. S. Wood                         Vice President - Administration                            41
                                   and Secretary (i)
J. R. Anke                         Treasurer (j)                                              53
T. D. D'Orazio                     Controller (k)                                             40
</TABLE>

               Officers are elected to serve at the pleasure of the Board of
Directors. Except in the case of officers elected to fill a new position or a
vacancy occurring at some other date and the restructuring of senior management
in the summer of 1998, officers are generally elected at the annual meeting of
the Board held immediately after the annual meeting of shareholders.





                                       13

<PAGE>   15



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

(a)     Mr. Glatfelter became President and Chief Executive Officer in June
        1998. From September 1995 to June 1998, he was Senior Vice President.
        Prior to September 1995, he was Vice President - General Manager,
        Glatfelter Paper Division.

(b)     Prior to June 1998, Mr. Norris was also President and Chief Executive
        Officer.

(c)     Mr. Newcomer became Executive Vice President and Chief Financial Officer
        in June 1998. From May 1997 to June 1998, he was Senior Vice President
        and Chief Financial Officer. From September 1995 to April 1997, he was
        Senior Vice President, Treasurer and Chief Financial Officer.  From
        April 1995 to September 1995, he was Vice President, Treasurer and Chief
        Financial Officer.  Prior to April 1995, he was Vice President and
        Treasurer.

(d)     Mr. Gillis became Vice President - Business Development in August 1998,
        prior to which he was Vice President - Marketing, Glatfelter Paper
        Division.

(e)     Mr. Hall became Vice President - General Manager, Glatfelter Division in
        August 1998. From November 1995 to August 1998, he was Director of
        Operations - Glatfelter Division. Prior to November 1995, he was Spring
        Grove Mill Manager.

(f)     Mr. Miller became Vice President - International Business in August
        1998. From September 1995 to August 1998, he was Vice President -
        Administration. From August 1994 to September 1995, he was Director of
        Planning, Acquisitions and Governmental Affairs. Prior to August 1994,
        he was Director, Marketing Services.

(g)     Dr. Myers retired on January 1, 1999.

(h)     Mr. Smith became Vice President - Finance in August 1998. Prior to
        August 1998, he was Controller.

(i)     Mr. Wood became Vice President - Administration and Secretary in August
        1998. From May 1997 to August 1998, he was Secretary and Treasurer.
        Prior to May 1997, he was Secretary and Assistant Treasurer.

(j)     Mr. Anke became Treasurer in September 1998. From June 1997 to September
        1998, he was Chief Financial Officer for the Senator John Heinz History
        Center. From September 1996 to June 1997, he was a consultant to AMSCO
        International, Inc. From April 1994 to September 1996, he was Vice
        President and Treasurer of AMSCO International, Inc., where he was
        responsible for treasury, insurance, retirement plan and




                                       14

<PAGE>   16



        international functions and supervised approximately forty
        employees.  Prior to April 1994, he was Secretary and
        Treasurer of AMSCO International, Inc.

(k)     Mr. D'Orazio became Controller in December 1998. Prior to December 1998,
        he was Assistant Corporate Controller of Mohawk Industries, Inc., where
        he was responsible for corporate accounting functions and supervised
        approximately twenty employees.

                                     PART II


Item 5.        Market for the Registrant's Common Stock and Related
               Stockholder Matters.

Common Stock Prices and Dividends Paid Information

The table below shows the high and low prices of the Registrant's common stock
on the New York Stock Exchange and the American Stock Exchange (Ticket Symbol
"GLT") and the dividends paid per share for each quarter during the past two
years. Trading of the Registrant's common stock commenced on the New York Stock
Exchange on November 12, 1998.

<TABLE>
<CAPTION>
                            1998                                   1997
               ================================        ==============================

Quarter        High          Low      Dividends        High        Low       Dividends

<S>          <C>           <C>        <C>            <C>         <C>          <C>  
1st            $18 3/8       $16        $.175          $18 3/8     $16 1/4      $.175
2nd             19 1/8        15 1/8     .175           20          15 3/8       .175
3rd             16 5/8        11 3/16    .175           23 3/8      17 3/8       .175
4th             13 7/16       11 3/8     .175           22 11/16    17           .175
</TABLE>

As of December 31, 1998 the Registrant had 3,898 shareholders of record. A
number of the shareholders of record are nominees.




                                       15

<PAGE>   17





Item 6.        Selected Financial Data.

<TABLE>
<CAPTION>
                      Ten-Year Summary of Selected Consolidated Financial Data

                                       Years Ended December 31
                               (in thousands except per share amounts)



                          1998         1997         1996         1995           1994            1993          1992         1991
- -------------------    ----------    ---------    ---------    ---------    -------------   ------------   ----------   ----------
<S>                    <C>           <C>          <C>          <C>          <C>             <C>            <C>          <C>
Net sales               $705,078     $567,072     $566,084     $623,709     $478,302        $473,509       $540,057     $ 567,764
Income (loss)                      
 before accounting                 
 changes                  36,133(a)    45,284       60,399       65,828     (118,251)(b)      20,409(d)      56,544        76,049
Basic earnings                     
 (loss) per share                  
 before accounting                 
 changes                     .86(a)      1.07         1.41         1.50        (2.67)(b)         .46(d)        1.28          1.68
Diluted earnings                   
 (loss) per share                  
 before accounting                 
 changes                     .86(a)      1.07         1.41         1.49        (2.67)(b)         .46(d)        1.27          1.67
Total assets             990,738      937,583      715,310      673,107      650,810(c)      842,087(e)     648,464       630,115
Debt                     356,459      348,665      150,000      150,000      174,100         150,000         10,100         __
Cash dividends
 declared per
 common share          $     .70     $    .70     $    .70     $    .70     $    .70        $    .70       $    .70     $     .60
- -------------------    ----------    ---------    ---------    ---------    -------------   ------------   ----------   ----------

- -------------------    ----------    ---------    ---------    ---------    -------------   ------------   ----------   ----------
</TABLE>

<TABLE>
<CAPTION>
                       1990       1989
- -------------------  ---------  ---------
<S>                  <C>         <C>
Net sales            $625,429    $598,777
Income (loss)
 before accounting
 changes               88,332      92,864
Basic earnings
 (loss) per share
 before accounting
 changes                 1.90        1.94
Diluted earnings
 (loss) per share
 before accounting
 changes                 1.88        1.93
Total assets          598,842     550,105
Debt                    __          1,100
Cash dividends
 declared per
 common share        $   .575   $     .50
- -------------------  ---------  ---------

- -------------------  ---------  ---------
</TABLE>

(a)    After impact of an after-tax charge for voluntary early retirement
       enhancement program (unusual item) of $5,988,000.

(b)    After impact of an after-tax charge for a writedown of impaired assets
       (unusual items) of $127,981,000.

(c)    After impact of writedown of impaired assets (unusual items) of
       $208,949,000.

(d)    After impact of an after-tax charge for rightsizing and restructuring
       (unusual items) of $8,430,000 and the effect of an increased federal
       corporate income tax rate of $3,587,000.

(e)    Includes an increase of $61,062,000 for the adoption of Statement of 
       Financial Accounting Standards No. 109.





                                       16

<PAGE>   18



Item 7.        Management's Discussion and Analysis of Financial
               Condition and Results of Operations.

OVERVIEW

The Company classifies its sales into two product groups: 1) engineered papers
(including tobacco papers); and 2) specialized printing papers. The Glatfelter
Division, which includes the Spring Grove, Pennsylvania and Neenah, Wisconsin
paper mills, produces both specialized printing and engineered papers. The
Ecusta Division is comprised of the Pisgah Forest, North Carolina paper mill
(hereinafter referred to as "Ecusta"). Schoeller & Hoesch ("S&H") includes the
Gernsbach, Germany paper mill and a 50% controlling ownership interest in a
paper mill in Odet, France. Both Ecusta and S&H produce specialized printing
papers and engineered papers (including tobacco papers). S&H was acquired on
January 2, 1998.

Excluding tobacco papers, demand for most of the Company's engineered papers
remained relatively strong during 1998 and pricing for such products remained
relatively stable. However, the Company did experience some market-related
downtime at its S&H locations in the fourth quarter of 1998 related to its
engineered papers, including its long fiber papers. As a result of this
weakening of demand, average selling prices for these papers decreased slightly
during the fourth quarter. Current backlog levels are strong for the Company's
other engineered papers.

Demand for the Company's tobacco papers was very weak during 1998. Increased
tobacco paper capacity in China, along with stagnant growth in worldwide tobacco
product consumption has resulted in excess tobacco paper capacity over current
levels of demand. The Company incurred tobacco paper market-related downtime at
both Ecusta and S&H during the year. Competition for limited tobacco paper
orders has resulted in decreases in selling prices to the Company's
multinational tobacco paper customers as well as to other regional and
governmental purchasers of tobacco papers. The outlook for tobacco papers
continues to be unfavorable. Recent financial settlements agreed to by the U.S.
cigarette producers with state attorneys general have led to increased selling
prices for tobacco products in the United States and, in turn, decreased demand
for tobacco papers. The Company continues its efforts to remain cost-competitive
within this market and will attempt to offset any lost sales and profitability
with sales of specialized printing papers and cost reductions.

Most of the Company's specialized printing paper products are directed at the
uncoated free sheet portion of the industry. Demand for these papers was fairly
weak during 1998, resulting in market-related downtime at the Company's Spring
Grove and Ecusta mills. Weak demand and low order backlogs also resulted in
inefficient scheduling of the Company's production equipment which, with the
exception of the Neenah mill, resulted in reduced production levels compared to
1997. Pricing for the Company's printing paper products was unfavorably impacted
by the weak demand as the Company competed for limited orders. On average,
pricing for the Company's printing paper products was higher in 1998 than in
1997 due to changes in product mix; however, the average selling price for such
products during the fourth quarter of 1998 was significantly lower than the
average selling price during the fourth quarter of 1997. The current outlook for
the demand and pricing of the Company's printing paper products is unclear.
Selling price increases have recently been announced in some of the commodity
printing paper markets in which the Company competes. The Company has announced
selling price increases for some of its papers but it is uncertain as to whether
such increases will be realized.

The paper industry entered 1999 during a continued period of market uncertainty.
The relatively weak market for pulp, the primary raw material used in the
production of paper, coupled with ongoing financial difficulties in Southeast
Asia and other parts of the world, provide a climate in which it continues to be
difficult to predict the future direction of the U. S. and international paper
markets.

The Company's orientation toward engineered papers should help mitigate the
potential negative impact of any further downturn in the international and U. S.
paper markets. The Company's Spring Grove mill's gravure coater ("G-Coater") had
its first full year of operation in 1998. Sales from the G-Coater were
disappointing during 1998; however, the Company has reorganized its new product
development department to expedite the development of these engineered papers.
Such papers typically have higher profit margins than the Company's other
products. Demand and pricing for engineered papers have historically not
fluctuated to the same extent as commodity papers.

ACQUISITION OF SCHOELLER & HOESCH

On January 2, 1998, the Company acquired S&H which owns and operates a paper
mill in Gernsbach, Germany and has a 50% controlling ownership interest in a
paper mill in Odet, France. S&H also has a pulpmill in the Philippines which
supplies abaca pulp to S&H's paper mills. In addition, it owns and operates
other facilities in Wisches, France and Summerville, South Carolina. S&H
primarily manufactures engineered papers and has the leading position in the
world tea bag paper market. It also manufactures other engineered papers
including tobacco, metalized, stencil, filter and casing papers, as well as some
specialized printing papers.

The acquisition of S&H represents a significant step in the Company's long-term
strategic plan, which emphasizes growth in engineered paper markets. It provides
the Company with a strong business position in the world tea bag paper market
and a presence in other long fiber markets, such as stencil, filter and casing
papers. It also strengthens the Company's tobacco papers business by providing a
manufacturing presence in Europe and a significant share of the European tobacco
papers market, plus the ability to manufacture and market ultraporous plug wrap,
a growing segment of the world tobacco papers market.

1998 COMPARED TO 1997

Net sales in 1998 increased $138,006,000, or 24.3%, compared to 1997. Net sales
volume and average selling prices decreased at the Company's Glatfelter and
Ecusta divisions. The resulting decrease in net sales at these divisions was
more than offset by the net sales of S&H.


                                       17
<PAGE>   19
Sales of engineered papers (including tobacco papers) increased by 65.7% in 1998
versus 1997. This increase is due to the inclusion of S&H in 1998's results.
Overall, the sales volume of engineered papers increased by 34.6%. The average
net selling price per ton for the Company's engineered papers increased
significantly due to a shift in product mix. S&H produces and sells lightweight
papers and, as a result, has higher average net selling prices per ton than
those of the Glatfelter and Ecusta divisions. The average net selling price per
ton of tobacco papers decreased in 1998 versus 1997. Overall, tobacco paper
sales volume increased due to the inclusion of S&H's results in 1998.

Specialized printing paper sales were down less than 1% in 1998 versus 1997.
This decrease was due to lower printing paper sales volume. Average net selling
prices per ton increased slightly. This increase was entirely due to a change in
product mix. Average selling prices per ton for non-S&H printing papers
decreased slightly in 1998 compared to 1997.

Profit from operations before the unusual item, interest income and expense and
taxes was $88,599,000 in 1998 compared to $84,492,000 in 1997. This increase was
due to the incremental operating results of S&H which more than offset decreases
in profit from operations before the unusual item, interest income and expense
and taxes at the Glatfelter and Ecusta divisions. The decreases at the
Glatfelter and Ecusta divisions were the result of a decrease in net sales,
offset somewhat by a decrease in cost of products sold and selling, general and
administrative expenses. The decrease in net sales at these two divisions in
1998 as compared to 1997 was primarily due to reduced sales volumes, exacerbated
somewhat by a decrease in average selling price per ton.

The cost of products sold for the Glatfelter and Ecusta divisions decreased due
to a decrease in sales volume and lower costs for certain raw materials in 1998
compared to 1997. Raw material costs had a slightly favorable effect on the
Company's relative performance in 1998 compared to 1997 as cost per ton for the
Company's principal raw materials, market pulp and wastepaper, decreased in 1998
versus 1997. The Company also benefited in 1998 from cost savings achieved
through the start-up of the Spring Grove mill's precipitated calcium carbonate
("PCC") plant. This plant reduced the cost of PCC at this mill as well as
lowered the need for higher priced raw materials used for increasing the opacity
and brightness of certain papers.

The cost of sales per unit decreased at the Glatfelter Division in 1998 versus
1997 due primarily to lower raw material costs. The cost of sales per unit at
the Ecusta Division increased in 1998 as compared to 1997. This increase was
mainly due to the amount of market-related downtime taken at the Ecusta Division
and the resulting absorption of fixed costs over fewer units produced.

Selling, general and administrative expenses increased by $14,990,000. This
increase was due to the selling, general and administrative expenses related to
S&H, offset somewhat by a decrease in such expenses at the Glatfelter and Ecusta
divisions. S&H has higher selling, general and administrative expenses as a
percentage of sales primarily as a result of higher selling costs incurred in
delivering product to its customers. Selling, general and administrative
expenses for the Company were 7.3% and 6.5% of net sales for 1998 and 1997,
respectively.

Interest on investments and other - net decreased from $7,785,000 in 1997 to
$1,956,000 in 1998. This decrease is primarily a result of a decrease in
investment income in 1998 compared to 1997. In 1997, the proceeds from the
issuance of $150,000,000 of Step-Down Preferred Stock by a subsidiary, GWS
Valuch, Inc., were placed in trust and invested in interest-bearing marketable
securities, resulting in a significant increase in interest income. This
transaction is described in detail in Note 6 to the Company's 1998 consolidated
financial statements in Item 8.

Gain from property dispositions, etc. - net decreased from $3,166,000 in 1997 to
$1,019,000 in 1998. During the second quarter of 1997, the Company completed the
sale of a parcel of recreational property near its Ecusta mill resulting in a
pre-tax gain of approximately $2,200,000. No property sales of this magnitude
are included in the 1998 results.

Interest on debt was $22,007,000 in 1998 compared to $18,700,000 in 1997. The
primary reason for this increase was the Company's higher net borrowing level
during the first quarter of 1998 as compared to the first quarter of 1997, in
part due to the borrowings of approximately $150,000,000 under the Revolving
Credit Facility to finance the acquisition of S&H. The Company repaid its
$150,000,000 principal amount of its 57/8% Notes on March 1, 1998.

UNUSUAL ITEM

During 1998, the Company recognized a pre-tax charge of $9,816,000 related
primarily to the accrual of pension and medical benefits for certain salaried
and hourly employees of the Ecusta Division and certain salaried employees of
the Glatfelter Division who elected to participate in a voluntary early
retirement enhancement program. The pre-tax charge also included the cost of
termination of several Glatfelter Division salaried employees which was
necessary to achieve the Company's cost-savings goals. The total after-tax
effect of the unusual item for the year was $5,988,000, or $.14 per share.

The intent of these programs is to generate annual payroll and benefits cost
savings through a reduction in the size of the Company's workforce. The
Company's restructuring resulted in the elimination of approximately 160
salaried and hourly positions with associated annual pre-tax cost savings of
approximately $8,400,000. Most of the savings will begin to be realized during
the first quarter of 1999.

1997 COMPARED TO 1996

Net sales in 1997 increased $988,000, or 0.2%, compared to 1996. Each of the
Company's operating facilities achieved increased sales volume which was offset
by lower average net selling prices.

Engineered paper sales remained relatively flat in 1997 as compared to the prior
year, increasing by 1.1%. Tobacco paper sales volume increased by 1.3%, as an
increase in international tobacco paper sales volume of 19.6% more than offset a
decrease in domestic tobacco


                                                                              18
<PAGE>   20
paper sales volume of 11.1%. The average net selling prices for tobacco papers
decreased slightly as increases in the average net selling price for domestic
tobacco papers were more than offset by a decrease in the average net selling
prices of international tobacco papers. International tobacco paper prices were
negatively impacted by the strengthening of the U. S. dollar versus most foreign
currencies. International tobacco paper prices also decreased in part due to the
acceptance of lower-priced, less-profitable business to fill machine capacity.
Volume increased due to productivity increases, but was offset to a large extent
by downtime taken at Ecusta for market-related reasons, as well as for
maintenance and equipment improvements. Average net selling prices for
engineered papers (excluding tobacco papers) remained virtually unchanged during
the year as compared to 1996 and volume increased marginally in 1997 over 1996.

Specialized printing paper sales also remained relatively flat in 1997 compared
to 1996. An increase in sales volume of 7.0% was offset by a decrease in average
net selling prices of 6.9%. The increase in sales volume was principally due to
an increase in demand for the Company's products. Despite the increase in demand
for the Company's specialized printing papers, pricing for such papers remained
under adverse market pressure.

Profit from operations before interest income and expense and taxes was
$84,492,000 in 1997 compared to $105,639,000 in 1996. This decrease was the
result of a decrease in average net selling prices, a weakening in the product
sales mix to less profitable products and an increase in the Company's cost of
products sold. The cost of products sold increased due to the increased sales
volume; however, the cost of sales per unit did not change significantly. Raw
material prices did not significantly affect the Company's relative performance
in 1997 compared to 1996 as per ton costs for the Company's principal raw
materials, market pulp and wastepaper, did not change significantly. In
addition, the Company's fixed costs were spread among a greater number of tons
in 1997, lowering the cost of sales per unit. The mix of products sold weakened
in 1997 versus 1996, particularly at Ecusta. Ecusta sold a higher amount of
lower-priced, lower-margin tobacco papers to international customers as well as
specialized printing papers. Gross margin per ton decreased by 22.2% in 1997, a
direct result of the change in product mix and lower average net selling prices
for certain of the Company's products noted above.

Selling, general and administrative expenses increased by $1,319,000, primarily
as a result of increased spending on certain legal matters as well as various
other professional fees. The Company also increased its spending on information
systems to address certain needs, including the impact of "Year 2000" on its
existing computer systems and software. Selling, general and administrative
expenses were 6.5% and 6.3% of net sales for 1997 and 1996, respectively.

Interest on debt increased by $9,392,000 and net income from investments and
other increased by $6,211,000. This was primarily a result of various financing
transactions entered into by the Company during 1997 as detailed in Note 6 to
the Company's 1998 consolidated financial statements in Item 8.

FINANCIAL CONDITION

LIQUIDITY

During 1998, the Company's cash and cash equivalents decreased by $16,012,000.
This decrease in cash and cash equivalents was principally due to net cash paid
for S&H of $147,491,000, which exceeded the incremental 1998 borrowings of
$101,500,000 made to complete the S&H acquisition. Other significant sources of
cash during 1998 included cash provided from operations of $100,417,000 and the
net sale of investments of $158,475,000. A majority of the proceeds from the
sale of investments was used to pay in full $150,000,000 principal amount of the
Company's 57/8% Notes along with related interest due. Other significant uses of
cash include additions to property, plant and equipment of $40,531,000 and
dividend payments of $29,436,000.

The Company expects to meet all its near-term cash needs from a combination of
internally generated funds, cash, cash equivalents and its existing Revolving
Credit Facility or other bank lines of credit. The Company is subject to certain
financial covenants under the Revolving Credit Facility. The Company is in
compliance with all such covenants.

INTEREST RATE RISK

The Company uses its Revolving Credit Facility and Notes to finance a
significant portion of its operations. These on-balance sheet financial
instruments, to the extent they provide for variable rates of interest, expose
the Company to interest rate risk resulting from changes in the DM LIBOR. The
Company uses off-balance sheet interest rate swap agreements to partially hedge
interest rate exposure associated with on-balance sheet financial instruments.
All of the Company's derivative financial instrument transactions are entered
into for non-trading purposes.


19
<PAGE>   21
To the extent that the Company's financial instruments expose the Company to
interest rate risk and market risk, they are presented in the table below. The
table presents principal cash flows and related interest rates by year of
maturity for the Company's Revolving Credit Facility and Notes as of December
31, 1998. For interest rate swaps, the table presents notional amounts and the
related reference interest rates by year of maturity. Fair values included
herein have been determined based upon (1) rates currently available to the
Company for debt with similar terms and remaining maturities, and (2) estimates
obtained from dealers to settle interest rate swap agreements. The following
table should be read in conjunction with Notes 6 and 7 to the consolidated
financial statements (dollar amounts in thousands) in Item 8.

<TABLE>
<CAPTION>
                                                              Year of Maturity                               Total
                                  ----------------------------------------------------------------------     Due at    Fair Value at
                                   1999        2000         2001        2002        2003      Thereafter    Maturity     12/31/98
                                  -------    --------     --------    ---------    -------    ----------    ---------  -------------
<S>                               <C>        <C>          <C>         <C>          <C>        <C>           <C>        <C>
Debt:
  Fixed rate                      $ 2,088    $  1,791     $  1,791    $   1,595    $ 1,401    $ 152,037     $ 160,703    $ 159,890
  Average interest rate              6.84%       6.85%        6.85%        6.86%      6.87%        6.87%
  Variable rate                   $    --    $     --     $     --    $ 166,766    $    --    $      --     $ 166,766    $ 166,766
  Average interest rate              3.79%       3.57%        3.31%        3.31%        --           --
Interest rate swap agreements:
  Variable to fixed swaps         $ 3,839    $ 36,253     $ 31,441    $  59,773    $    --    $      --     $ 131,306    $  (1,549)
  Average pay rate                   4.39%       4.09%        3.84%        3.42%        --           --
  Average receive rate               3.43%       3.35%        3.25%        3.25%        --           --
</TABLE>

CAPITAL RESOURCES

During 1998, the Company expended $40,531,000 on capital projects. Most of these
expenditures were for maintenance-related projects; however, those expenditures
included spending related to the completion of the G-Coater (approximately
$2,400,000 in 1998) and the precipitated calcium carbonate plant (approximately
$2,700,000 in 1998), both at the Spring Grove mill. The Company also expended
funds related to the rebuild of one of S&H's paper machines, enhancing its
ability to produce engineered papers. The total cost of this project is expected
to be $6,200,000. Of this amount, approximately $3,400,000 was spent during 1998
and approximately $2,800,000 is expected to be expended in 1999. The Company
estimates a total of approximately $37,400,000 will be spent on capital projects
during 1999.

ENVIRONMENTAL MATTERS

The Company is subject to loss contingencies resulting from regulation by
various federal, state, local and foreign governmental authorities with respect
to the environmental impact of air and water emissions and noise from its mills,
as well as its disposal of solid waste generated by its operations. To comply
with environmental laws and regulations, the Company has incurred substantial
capital and operating expenditures over the past several years. During 1998,
1997 and 1996, the Company incurred approximately $17,700,000, $14,800,000 and
$15,200,000, respectively, in operating costs related to complying with
environmental laws and regulations. The Company anticipates that environmental
regulation of the Company's operations will continue to become more burdensome
and that capital and operating expenditures will continue, and perhaps increase,
in the future. In addition, the Company may incur obligations to remove or
mitigate any adverse effects on the environment resulting from its operations,
including the restoration of natural resources, and liability for personal
injury and damage to property, including natural resources. In particular, the
Company continues to negotiate with the State of Wisconsin and the United States
regarding natural resources damages and response costs related to the discharge
of polychlorinated biphenyls ("PCBs") and other hazardous substances in the
lower Fox River, on which the Company's Neenah mill is located. The cost of such
damages and response costs is presently unknown but could be substantial and
perhaps exceed the Company's available resources as discussed in Note 10 to the
Company's consolidated financial statements. Management's current assessment,
after consultation with legal counsel, is that such expenditures are not likely
to have a material adverse effect on the Company's consolidated financial
condition or liquidity, but could have a material adverse effect on the
Company's consolidated results of operations in a given year; however, there can
be no assurance that the Company's reserves will be adequate or that a material
adverse effect on the Company's consolidated financial condition or liquidity
will not occur at some future time.


                                                                              20
<PAGE>   22
YEAR 2000

The Company continues to make progress and, with the exception of some isolated
systems at its Neenah mill, is on schedule in its efforts to achieve Year 2000
compliance for its critical systems by the end of the first quarter of 1999. The
Company expects to achieve Year 2000 compliance on its non-critical systems by
the end of the second quarter of 1999.

The Company has information technology systems and noninformation technology
systems. The Company's information technology systems include both internally
and externally developed business systems. Nearly all of the Company's business
systems have been developed internally. Non-information technology systems
include computer process control equipment as well as embedded technology, such
as micro-controllers, which are critical to the operation of production
equipment and facilities.

The Company's three-phase approach to achieve its internal Year 2000 compliance
includes an inventory phase, an assessment phase and a modifications and testing
phase. The Company has completed the inventory phase for all of its information
technology and non-information technology systems. The Company has also
completed a significant portion of both the assessment phase and modifications
and testing phase for all of its systems. The remaining system assessments,
modifications and related testing are expected to be completed by the end of the
first quarter of 1999 with the exception of a small number of non-critical
systems which should be completed by the end of the second quarter of 1999. In
addition, the assessment, modification and testing of some isolated critical
systems at the Neenah mill will not occur until the third quarter of 1999. This
delay is due to the desire to coincide any machine downtime required to meet
Year 2000 compliance with planned maintenance downtime to minimize disruption to
the operation of the mill.

The Company has used internal information technology personnel almost
exclusively to inventory, assess, modify and test existing systems and has
primarily incurred only normal wage, benefit and related costs for its normal
complement of information technology personnel. The Company expensed
approximately $634,000 and $125,000 during 1998 and 1997, respectively, in such
costs supporting its Year 2000 compliance efforts. The Company estimates it will
incur $700,000 for these internal costs during 1999 to complete its Year 2000
efforts.

The Company's use of its own information technology personnel to make its
systems Year 2000 compliant has and will continue to delay some other strategic
information systems development and implementation which would have otherwise
benefited the Company in various ways and to various extents. The Company does
not believe that it will be at a competitive disadvantage as a result of these
delays.

To date, the Company has made minor capital expenditures to replace certain
systems or equipment which were not Year 2000 compliant. The Company estimates
that between $500,000 and $1,000,000 in capital related costs will be incurred
by the end of the first quarter of 1999 to achieve Year 2000 compliance of its
information and non-information technology systems.

The Company relies significantly on selected key vendors of raw materials,
energy, telecommunications and other vital services. The Company also generates
significant revenues from various key customers. The Company continues its
efforts in addressing Year 2000 compliance by key third parties by making
inquiries to all such third parties and assessing the responses received.
Inquiries have been sent to all identified key third parties. To date, no
significant issues have been discovered. The Company hopes to have received and
assessed all responses by the end of the first quarter of 1999.

Should the Company's assessment of the responses or non-responses to its
inquiries of key third parties indicate that unacceptable risks exist, or should
the risk of inaccuracies of such responses be too great, the Company will
develop and implement contingency plans to minimize the impact on its
operations. The Company intends to have any such plans in place by the end of
the third quarter of 1999.

Despite such contingency plans, it is reasonably possible that, in the worst
case, some of the Company's key vendors or customers could experience
operational interruptions as a result of non-compliance of their systems. As a
result, the Company may be forced to interrupt the operation of one or more of
its mills or be required to increase its costs or decrease its selling prices to
remain operational. In such an event, the Company's business and results of
operations could be materially adversely affected.

FORWARD-LOOKING STATEMENTS

Any statements set forth in this annual report or otherwise made in writing or
orally by the Company with regard to its expectations as to industry conditions,
demand for or pricing of its products, its financial results and other aspects
of its business may constitute forward-looking statements within the meaning of
the Private Securities Litigation Reform Act of 1995. Although the Company makes
such statements based on assumptions which it believes to be reasonable, there
can be no assurance that actual results will not differ materially from the
Company's expectations. Accordingly, the Company hereby identifies the following
important factors, among others, which could cause its results to differ from
any results which might be projected, forecasted or estimated by the Company in
any such forward-looking statements: (i) variations in demand for its products;
(ii) changes in the cost or availability of raw materials used by the Company,
in particular market pulp, pulp substitutes and wastepaper; (iii) changes in
industry paper production capacity, including the construction of new mills, the
closing of mills and incremental changes due to capital expenditures or
productivity increases; (iv) the gain or loss of significant customers; (v) cost
and other effects of environmental compliance, cleanup, damages, remediation or
restoration, or personal injury or property damage related thereto, such as the
cost of natural resource restoration or damages related to the presence of PCBs
in the lower Fox River on which the Company's Neenah mill is located; (vi)
significant changes in cigarette consumption, both domestically and
internationally; (vii) enactment of adverse state or federal legislation or
changes in government policy or regulation; (viii) adverse results in
litigation; (ix) fluctuations in currency exchange rates; (x) failure of third
parties which are material to the Company to become Year 2000 compliant thereby
interrupting their and the Company's business operations; and (xi) disruptions
in production and/or increased costs due to labor disputes.

Item 7A.       Quantitative and Qualitative Disclosures About Market
               Risk.

               See the discussion under the heading "Interest Rate Risk" in Item
7 as well as Notes 6 and 7 to the Registrant's consolidated financial 
statements in Item 8.

                                       21
<PAGE>   23
Item 8.        Financial Statements and Supplementary Data.

CONSOLIDATED STATEMENTS OF INCOME
AND COMPREHENSIVE INCOME
P.H. GLATFELTER COMPANY AND SUBSIDIARIES
FOR THE YEARS ENDED DECEMBER 31, 1998, 1997 AND 1996

<TABLE>
<CAPTION>
(in thousands except per share amounts)                    1998          1997         1996
- --------------------------------------------------------------------------------------------
<S>                                                     <C>           <C>           <C>
NET SALES                                               $ 705,078     $ 567,072     $566,084

OTHER INCOME:

  Energy sales -- net (Note 1(j))                           9,652         9,189        8,559
  Interest on investments and other -- net (Note 6)         1,956         7,785        1,574
  Gain from property dispositions, etc. -- net              1,019         3,166          977
                                                        ---------     ---------     --------
    Total                                                 717,705       587,212      577,194
                                                        ---------     ---------     --------
COSTS AND EXPENSES:

  Cost of products sold                                   575,351       458,126      434,491
  Selling, general and administrative expenses             51,799        36,809       35,490
  Interest on debt (Notes 6 and 7)                         22,007        18,700        9,308
  Unusual item (Note 3)                                     9,816            --           --
                                                        ---------     ---------     --------
    Total costs and expenses                              658,973       513,635      479,289
                                                        ---------     ---------     --------
INCOME BEFORE INCOME TAXES                                 58,732        73,577       97,905
                                                        ---------     ---------     --------
INCOME TAX PROVISION (Note 5):

  Current                                                  14,488        25,453       20,604
  Deferred                                                  8,111         2,840       16,902
                                                        ---------     ---------     --------
    Total                                                  22,599        28,293       37,506
                                                        ---------     ---------     --------
NET INCOME                                              $  36,133     $  45,284     $ 60,399
                                                        =========     =========     ========
BASIC AND DILUTED EARNINGS PER SHARE (Notes 4 and 8)    $     .86     $    1.07     $   1.41

COMPREHENSIVE INCOME, NET OF TAX:
NET INCOME                                              $  36,133     $  45,284     $ 60,399
FOREIGN CURRENCY TRANSLATION ADJUSTMENTS (Note 1(n))         (553)         (651)         179
                                                        ---------     ---------     --------
COMPREHENSIVE INCOME                                    $  35,580     $  44,633     $ 60,578
                                                        =========     =========     ========
</TABLE>

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


22
<PAGE>   24
CONSOLIDATED BALANCE SHEETS
P.H. GLATFELTER COMPANY AND SUBSIDIARIES
DECEMBER 31, 1998 AND 1997

<TABLE>
<CAPTION>
(in thousands except share information)                   1998          1997
- --------------------------------------------------------------------------------
<S>                                                     <C>           <C>
ASSETS

CURRENT ASSETS:
  Cash and cash equivalents (Notes 1(b) and 2)          $  50,907     $  66,919
  Marketable securities (Notes 1(e) and 6)                     --       155,174
  Accounts receivable (less allowance for doubtful
    accounts: 1998, $1,532; 1997, $1,973)                  70,076        50,187
  Inventories (Note 1(c))                                 117,852       101,232
  Prepaid expenses and other current assets                 3,073         2,967
                                                        ---------     ---------
    Total current assets                                  241,908       376,479

PLANT, EQUIPMENT AND TIMBERLANDS -- NET
    (Notes 1(d) and 10)                                   628,156       475,189

OTHER ASSETS (Notes 1(e) and 9)                           120,674        85,915
                                                        ---------     ---------
    Total assets                                        $ 990,738     $ 937,583
                                                        =========     =========

LIABILITIES AND SHAREHOLDERS' EQUITY

CURRENT LIABILITIES:
  Current portion of long-term debt (Note 6)            $   2,088     $ 150,000
  Short-term debt (Note 2)                                 28,990        48,665
  Accounts payable                                         34,293        37,276
  Dividends payable                                         7,365         7,390
  Income taxes payable                                      8,189         5,106
  Accrued compensation and other expenses
    and deferred income taxes                              45,951        41,506
                                                        ---------     ---------
    Total current liabilities                             126,876       289,943

LONG-TERM DEBT (Note 6)                                   325,381       150,000
DEFERRED INCOME TAXES (Notes 1(f) and 5)                  123,321       101,995
OTHER LONG-TERM LIABILITIES (Notes 1(k), 2, 8 and 9)       71,231        56,287
                                                        ---------     ---------
    Total liabilities                                     646,809       598,225
                                                        ---------     ---------

COMMITMENTS AND CONTINGENCIES (Note 10)
SHAREHOLDERS' EQUITY (Note 8):
  Common stock, $.01 par value;
    authorized -- 120,000,000 shares; issued
    (including shares in treasury: 1998, 12,276,744;
    1997, 12,212,372) -- 54,361,980 shares                    544           544
  Capital in excess of par value                           42,612        42,623
  Retained earnings                                       484,793       478,073
  Accumulated other comprehensive income                   (1,611)       (1,058)
                                                        ---------     ---------
    Total                                                 526,338       520,182
  Less cost of common stock in treasury                  (182,409)     (180,824)
                                                        ---------     ---------
    Total shareholders' equity                            343,929       339,358
                                                        ---------     ---------
      Total liabilities and shareholders' equity        $ 990,738     $ 937,583
                                                        =========     =========
</TABLE>

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


                                                                              23
<PAGE>   25
CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY
P.H. GLATFELTER COMPANY AND SUBSIDIARIES
FOR THE YEARS ENDED DECEMBER 31, 1998, 1997 AND 1996

<TABLE>
<CAPTION>
                                                                                             Accumulated
                                             Common                  Capital in                  Other                     Total
                                             Shares       Common     Excess of    Retained   Comprehensive  Treasury   Shareholders'
(in thousands except shares outstanding)    Outstanding   Stock     Par Value     Earnings       Income       Stock        Equity
- ------------------------------------------------------------------------------------------------------------------------------------
<S>                                         <C>           <C>       <C>           <C>           <C>         <C>           <C>      
Balance, January 1, 1996                    43,435,312    $ 544     $ 40,921      $ 431,762     $  (586)    $ (157,821)   $ 314,820

Net income                                                            60,399                                                 60,399

Foreign currency translation
adjustments                                                                                        179                          179

Cash dividends declared                                                            (29,824)                                 (29,824)

Delivery of treasury shares:

Restricted stock awards                         72,193                  223                                     1,054         1,277

Employee stock purchase
and 401(k) plans                               151,265                  447                                     2,207         2,654

Employee stock options
exercised -- net                                12,131                   10                                       176           186

Purchase of stock for treasury              (1,131,073)                                                       (19,068)      (19,068)
                                            ----------      ---      ------        -------        ---        --------       -------


Balance, December 31, 1996                  42,539,828      544      41,601        462,337        (407)      (173,452)      330,623

Net income                                                                          45,284                                   45,284

Foreign currency translation
adjustments                                                                                       (651)                        (651)

Cash dividends declared                                                            (29,548)                                 (29,548)

Delivery of treasury shares:

Restricted stock awards                         13,350                  217                                       196           413

Employee stock purchase
and 401(k) plans                               150,940                  545                                     2,219         2,764

Employee stock options
exercised -- net                               103,690                  260                                     1,517         1,777

Purchase of stock for treasury                (658,200)                                                       (11,304)      (11,304)
                                            ----------      ---      ------        -------      -------      --------       -------


Balance, December 31, 1997                  42,149,608      544      42,623        478,073       (1,058)      (180,824)     339,358

Net income                                                                          36,133                                   36,133

Foreign currency translation
adjustments                                                                                        (553)                       (553)

Cash dividends declared                                                            (29,413)                                 (29,413)

Delivery of treasury shares:

Employee stock purchase
and 401(k) plans                               182,528                  (13)                                     2,713        2,700

Employee stock options
exercised -- net                                 3,100                    2                                         46           48

Purchase of stock for treasury                (250,000)                                                         (4,344)      (4,344)
                                            ----------      ---      ------        -------      -------       --------       -------


Balance, December 31, 1998                  42,085,236     $544     $42,612       $484,793      $(1,611)     $(182,409)    $343,929
                                            ==========     ====     =======       ========      =======      =========     ========
</TABLE>


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


                                       24
<PAGE>   26
CONSOLIDATED STATEMENTS OF CASH FLOWS
P. H. GLATFELTER COMPANY AND SUBSIDIARIES
FOR THE YEARS ENDED DECEMBER 31, 1998, 1997 AND 1996

<TABLE>
<CAPTION>

(in thousands)                                                     1998         1997         1996
- -------------------------------------------------------------------------------------------------

Cash flows from operating activities:
<S>                                                           <C>          <C>          <C>      
Net income                                                    $  36,133    $  45,284    $  60,399

Items included in net income not using (providing) cash:

Depreciation, depletion and amortization                         47,738       35,796       33,570

Loss (gain) on disposition of fixed assets                          481       (2,121)         169

Expense related to employee stock purchase and 401(k) plans       1,652        1,270        1,224

Changes in assets and liabilities:

Accounts receivable                                               8,703         (484)       2,349

Inventories                                                      16,437           (1)     (14,153)

Other assets and prepaid expenses                                (2,328)     (12,309)     (14,885)

Accounts payable, accrued compensation and other expenses,
deferred income taxes and other long-term liabilities            (8,272)      14,111        3,555

Income taxes payable                                             (4,341)         801        4,070

Deferred income taxes -- noncurrent                               4,214        2,856       18,457
                                                               --------     --------     --------

Net cash provided by operating activities                       100,417       85,203       94,755
                                                               --------     --------     --------


Cash flows from investing activities:

Sale (purchase) or maturity of investments -- net               158,475     (154,363)       1,153

Proceeds from disposal of fixed assets                              319        3,749          102

Additions to plant, equipment and timberlands                   (40,531)     (60,503)     (35,644)

Acquisition of S&H -- net of cash acquired                     (147,491)          --           --
                                                               --------     --------     --------


Net cash used in investing activities                           (29,228)    (211,117)     (34,389)
                                                               --------     --------     --------


Cash flows from financing activities:

Proceeds from long-term debt issuance                                --      150,000           --

Net borrowing of short-term debt                                 11,078           --           --

Net payment of other long-term debt                             (16,669)          --           --

Repayment of 57/8% Notes                                       (150,000)          --           --

Acquisition-related borrowings                                  101,500       48,665           --

Dividends paid                                                  (29,436)     (29,601)     (29,977)

Purchases of common stock                                        (4,344)     (11,304)     (19,068)

Proceeds from issuance of common stock under employee stock
purchase plans and key employee long-term incentive plan          1,088        3,271        1,617

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

Net cash provided by (used in) financing activities             (86,783)     161,031      (47,428)

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

Effect of exchange rate changes on cash                            (418)          --           --

Net increase (decrease) in cash and cash equivalents            (16,012)      35,117       12,938


Cash and cash equivalents:

At beginning of year                                             66,919       31,802       18,864

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

At end of year                                                $  50,907    $  66,919    $  31,802
                                                               --------     --------     --------

Supplemental disclosure of cash flow information:

Cash paid for:

Interest                                                      $  22,722    $  14,293    $   9,684

Income taxes                                                     19,573       24,650       20,480
</TABLE>


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

                                                                         
                                       25
<PAGE>   27
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
P.H. GLATFELTER COMPANY AND SUBSIDIARIES
FOR THE YEARS ENDED DECEMBER 31, 1998, 1997 AND 1996

1. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

(a) NATURE OF OPERATIONS AND PRINCIPLES OF CONSOLIDATION

P. H. Glatfelter Company and subsidiaries are manufacturers of engineered papers
and specialized printing papers. Headquartered in Spring Grove, Pennsylvania,
the Company's paper mills are located in Spring Grove, Neenah, Wisconsin, Pisgah
Forest, North Carolina and Gernsbach, Germany. The Company also has a 50%
controlling ownership interest in a paper mill in Odet, France. The Company's
products are marketed in most parts of the United States and in many foreign
countries, either through wholesale paper merchants, brokers and agents or
directly to customers. The accounts of the Company, and those of its significant
majority-owned or controlled subsidiaries, are included in the consolidated
financial statements. All inter-company transactions have been eliminated.
Certain reclassifications have been made to the prior years' consolidated
financial statements to conform to those classifications used in 1998.

On January 2, 1998, the Company acquired S&H Papier - Holding GmbH ("S&H"), the
specialty paper division of the Schoeller and Hoesch Group. The results of S&H,
a German company, are included in the consolidated financial statements for the
year ended December 31, 1998 from the date of acquisition. See Note 2 for
further discussion of the acquisition, including disclosure of pro forma
information.

(b) CASH AND CASH EQUIVALENTS

The Company considers all highly liquid financial instruments with effective
maturities at date of purchase of three months or less to be cash equivalents.

(c) INVENTORIES

Inventories are stated at the lower of cost or market. Raw materials and
in-process and finished inventories of the Company's domestic operations are
valued using the last-in, first out (LIFO) method, and the supplies inventory is
valued principally using the average cost method. Certain of the Company's
inventories are valued using a method which approximates average cost.
Inventories at December 31 are summarized as follows:

<TABLE>
<CAPTION>
                             1998        1997
                           --------    --------
                              (in thousands)
<S>                        <C>         <C>
Raw materials              $ 37,559    $ 35,980

In-process and finished      49,901      31,724

Supplies                     30,392      33,528
                           --------    --------
Total                      $117,852    $101,232
                           ========    ========
</TABLE>

As of December 31, 1998, S&H had approximately $35,800,000
of inventories. If the Company had valued all inventories using the average cost
method, inventories would have been $4,143,000 and $2,839,000 higher than
reported at December 31, 1998 and 1997, respectively. During 1998, the Company
liquidated certain LIFO inventories. The effect of the liquidation did not have
a significant impact on net income.

At December 31, 1998 and 1997, the recorded value of the above inventories
exceeded inventories for income tax purposes by approximately $22,100,000 and
$20,700,000, respectively.

(d) PLANT, EQUIPMENT AND TIMBERLANDS

Depreciation is computed for financial reporting using the straight-line method
over the estimated useful lives of the respective assets and for income taxes
principally using accelerated methods over lives established by statute or
Treasury Department procedures. Provision is made for deferred income taxes
applicable to this difference. See Notes 1(f) and 5.

The range of estimated service lives used to calculate financial reporting
depreciation for principal items of property, plant and equipment are as
follows:

Buildings                                                          10 - 45 Years
Machinery and equipment                                             7 - 35 Years
Other                                                               4 - 40 Years

Depletion of the cost of timber is computed on a unit rate of usage by growing
area based on estimated quantities of recoverable material.

Maintenance and repairs are charged to income and major renewals and betterments
are capitalized. At the time property is retired or sold, the cost and related
reserve are eliminated and any resultant gain or loss is included in income.

Plant, equipment and timberlands accounts, as of December 31, are summarized as
follows:

<TABLE>
<CAPTION>
                                     1998           1997
                                 -----------     ---------
                                       (in thousands)
<S>                              <C>             <C>
Land and buildings               $   148,079     $ 116,186
Machinery and equipment            1,071,469       916,063
Other                                 36,562        29,553
Less accumulated depreciation       (657,581)     (617,576)
                                 -----------     ---------
Total                                598,529       444,226
Construction in progress              10,962        13,149
Timberlands, less depletion           18,665        17,814
                                 -----------     ---------
Plant, equipment and
  timberlands -- net             $   628,156     $ 475,189
                                 ===========     =========
</TABLE>

(e) INVESTMENTS IN DEBT AND EQUITY SECURITIES

Long-term investments, which are due over a 16-year period and are classified as
held-to-maturity, are included in "Other assets" on the Consolidated Balance
Sheets at December 31, 1998 and 1997. The investments consist of approximately
$10,300,000 and $12,100,000 in U. S. Treasury and government obligations at
December 31, 1998 and 1997, respectively. The fair market value of such
investments approximated the amortized cost, and therefore, there were no
significant unrealized gains or losses as of December 31, 1998 and 1997.
Investments in municipal debt and equity securities of $2,089,000, classified as
held-to-maturity, were reported as "Marketable securities" on the Consolidated
Balance

26
<PAGE>   28
Sheet at December 31, 1997. The fair market value of such investments
approximated cost. See Note 6 for a description of other investments reported as
"Marketable securities."

(f) INCOME TAX ACCOUNTING

The Company recognizes deferred tax assets and liabilities for temporary
differences between the financial reporting basis and the tax basis of the
Company's assets and liabilities. The impact on deferred taxes of changes in tax
rates and laws, if any, applied to the years during which temporary differences
are expected to be settled, are reflected in the consolidated financial
statements in the period of enactment.

(g) FAIR MARKET VALUE OF FINANCIAL INSTRUMENTS

The amounts reported on the Consolidated Balance Sheets for cash and cash
equivalents, marketable securities, accounts receivable, other assets,
short-term debt and long-term debt approximate fair value.

(h) VALUATION OF LONG-LIVED ASSETS

The Company evaluates long-lived assets for impairment periodically or when a
specific event indicates that the carrying value of an asset may not be
recoverable. Recoverability is assessed based on estimates of future cash flows
expected to result from the use and eventual disposition of the asset. If the
sum of expected undiscounted cash flows is less than the carrying value of the
asset, an impairment loss is recognized. The impairment loss is measured as the
amount by which the carrying amount of the asset exceeds its fair value.

(i) ACCOUNTING ESTIMATES

The preparation of financial statements in conformity with generally accepted
accounting principles requires the use of management's estimates and
assumptions. Management believes the estimates and assumptions used in the
preparation of these consolidated financial statements are reasonable, based
upon currently available facts and known circumstances, but recognizes that
actual results may differ from those estimates and assumptions. See Note 10.

(j) REVENUE RECOGNITION

The Company recognizes revenue on product sales upon shipment and on energy
sales when electricity is delivered to its customer. Certain costs associated
with the production of electricity, such as fuel, labor, depreciation and
maintenance are netted against the energy sales for presentation on the
Consolidated Statements of Income and Comprehensive Income. The Company's
current contract to sell electricity generated in excess of its own use expires
in the year 2010 and requires that the customer purchase all of the Company's
excess electricity up to a certain level. The price for the electricity is
determined pursuant to a formula and varies depending upon the amount sold in
any given year.

(k) ENVIRONMENTAL LIABILITIES

Accruals for losses associated with environmental obligations are recorded when
it is probable that a liability has been incurred and that the amount of the
liability can be reasonably estimated based on existing legislation and
remediation technologies. These accruals are adjusted periodically as assessment
and remediation actions continue and/or further legal or technical information
develops. Accrued environmental liabilities are classified as "Other long-term
liabilities" on the Consolidated Balance Sheets. Such undiscounted liabilities
are exclusive of any insurance or other claims against third parties.

Costs related to environmental remediation are charged to expense. Environmental
costs are capitalized if the costs extend the life of the property, increase its
capacity and/or mitigate or prevent contamination from future operations.

(l) STOCK-BASED COMPENSATION

The Company has adopted the provisions of SFAS No. 123, "Accounting for
Stock-Based Compensation." SFAS No. 123 encourages, but does not require,
companies to record compensation cost for stock-based compensation plans at fair
value. The Company has elected to continue to account for stock-based
compensation in accordance with APB Opinion No. 25, "Accounting for Stock Issued
to Employees," and related interpretations, as permitted by SFAS No. 123.
Compensation expense for stock options is measured as the excess, if any, of the
average quoted market price of the Company's stock at the date of grant over the
amount an employee must pay to acquire the stock. Compensation expense for
restricted stock awards is equal to the average quoted market price of the
Company's stock at the date of grant and is recorded ratably over the period in
which forfeiture provisions lapse. Compensation expense for performance stock
awards is recognized over the performance period based on changes in quoted
market prices of the Company's stock and the likelihood of achieving the
performance goals. See Note 8.

(m) DERIVATIVE FINANCIAL INSTRUMENTS

The Company uses interest rate swap agreements to manage its exposure to
fluctuations in interest rates. Amounts to be paid or received under interest
rate swap agreements are recognized as interest expense or interest income
during the period in which they accrue. The Company does not hold any derivative
financial instruments for trading purposes. The credit risks associated with the
Company's interest rate swap agreements are controlled through the evaluation
and monitoring of creditworthiness of the counterparties. Although the Company
may be exposed to losses in the event of nonperformance by counterparties, the
Company does not expect such losses, if any, to be significant. See Note 7.

(n) FOREIGN CURRENCY TRANSLATION

The Company's subsidiaries outside the United States use their local foreign
currency as the functional currency. Accordingly, translation gains and losses
and the effect of exchange rate changes on transactions designated as hedges of
net foreign investments are included as a separate component of shareholders'
equity. Exchange gains and losses are included in income in the period in which
they occur.

(o) NEW ACCOUNTING PRONOUNCEMENTS

In June 1997, the Financial Accounting Standards Board ("FASB") issued SFAS No.
130, "Reporting Comprehensive Income." This statement, which establishes
standards for reporting and disclosure of comprehensive income, is effective for
interim and annual periods beginning after December 15, 1997. Reclassification
of financial information for earlier periods presented for comparative purposes
is required under SFAS No. 130. As this statement only requires


                                                                              27
<PAGE>   29
additional disclosures in the Company's consolidated financial statements, its
adoption did not have any impact on the Company's consolidated financial
position or results of operations.

In June 1997, the FASB issued SFAS No. 131, "Disclosures about Segments of an
Enterprise and Related Information." This statement establishes standards for
the reporting of information about operating segments on an annual basis and is
effective for fiscal years beginning after December 15, 1997. Except for
geographic information (see Note 11), this statement did not result in any
changes to the Company's presentation of financial and nonfinancial data in
1998. The Company's operating locations have been aggregated into a single
reportable segment, as permitted under SFAS No. 131, since they have similar
economic characteristics, products, production processes, types of customers and
distribution methods.

In February 1998, the FASB issued SFAS No. 132, "Employers' Disclosures about
Pensions and Other Postretirement Benefits." This statement, which revises
certain disclosure requirements for the Company's pension assets and
obligations, is effective for fiscal periods beginning after December 15, 1997.
Restatement of prior years' information is required, where available. As this
statement only requires a change in methods of disclosure and not in accounting
methods, it did not have any impact on the Company's consolidated financial
position or results of operations. The Company adopted SFAS No. 132 in 1998.

In June 1998, the FASB issued SFAS No. 133, "Accounting for Derivative
Instruments and Hedging Activities." This statement establishes accounting and
reporting standards for derivative instruments, including certain derivative
instruments embedded in other contracts (collectively referred to as
derivatives), and for hedging activities. It requires that an entity recognizes
all derivatives as either assets or liabilities in the statement of financial
position and measure those instruments at fair value. This statement is
effective for fiscal years beginning after June 15, 1999. The Company is
evaluating the effects that the adoption of SFAS No. 133 may have on its
consolidated financial position and results of operations.

2. ACQUISITION OF THE SPECIALTY PAPER DIVISION OF THE SCHOELLER AND HOESCH GROUP

Effective January 2, 1998, the Company acquired all of the outstanding common
stock of S&H Papier-Holding GmbH ("S&H"), the specialty paper division of the
Schoeller and Hoesch Group, from RQPO Beteiligungs GmbH & Co. Papier KG ("RQPO")
and EVOBESTRA Vermogensverwaltungsgesellschaft mbH, for approximately DM
268,900,000 (approximately $150,000,000) in cash. The purchase price was
finalized in the fourth quarter of 1998. The principal partners in RQPO were
Deutsche Beteiligungs AG and S&H management. The Company accounted for the S&H
acquisition under the purchase method of accounting, and S&H is consolidated
with the Company beginning in January 1998.

S&H was founded in 1881 in Gernsbach, Germany, where its corporate offices and
major paper production facilities are located. S&H produces a range of paper
products, including tea bag and other long fiber products such as stencil,
filter and casing paper, as well as tobacco papers and printing papers. S&H owns
an abaca pulpmill in the Philippines and other facilities in France and the
United States. S&H also has a 50% controlling ownership interest in a paper mill
in Odet, France, with a purchase option to acquire the remaining 50% ownership
interest under a predetermined pricing formula. As of December 31, 1998, a
minority interest of $10,032,000 associated with this subsidiary is classified
as "Other long-term liabilities" on the Company's Consolidated Balance Sheet.
For the year ended December 31, 1998, the Company recognized $886,000 of
minority interest expense classified as "Gain from property dispositions, etc. -
net" on the Company's Consolidated Statement of Income and Comprehensive Income.

The purchase price of S&H, including certain transaction costs, was allocated to
the assets acquired and liabilities assumed based upon their fair values at the
date of acquisition. The fair values allocated were approximately $238,000,000
for the assets acquired and approximately $101,000,000 for the liabilities
assumed. The excess of the purchase price over the fair value of net assets
acquired of approximately $13,000,000 was recorded as goodwill and is being
amortized on a straight-line basis over 20 years.

To finance the acquisition, on December 22, 1997, the Company entered into a
$200,000,000 multi-currency revolving credit facility ("Revolving Credit
Facility") with a syndicate of major lending institutions. The Revolving Credit
Facility enables the Company to borrow up to the equivalent of $200,000,000 in
certain currencies in the form of revolving credit loans with a final maturity
date of December 22, 2002 and with interest periods determined, at the Company's
option, on a daily or one to six-month basis. Interest on the revolving credit
loans is at variable rates based, at the Company's option, on the Eurocurrency
Rate or the Base Rate (lender's prime rate), plus applicable margins. Margins
are based on the higher of the Company's debt ratings as published by Standard &
Poor's and Moody's. The Company is subject to certain financial covenants under
the Revolving Credit Facility and is in compliance with all such covenants as of
December 31, 1998. The Company must pay an annual facility fee ranging from
 .065% to .13% of the total credit commitment, which is also based on the higher
of the Company's debt ratings as published by Standard & Poor's and Moody's,
under the Revolving Credit Facility. During 1998, the Company paid .10% of the
total credit commitment for this facility fee. As of December 31, 1998,
$33,234,000 of credit availability under the Revolving Credit Facility was
unused.

On December 30, 1997, the Company borrowed DM 87,500,000 (approximately
$48,665,000) under the Revolving Credit Facility at a three-day rate of 5.075%.
These proceeds were used to capitalize two German subsidiaries to facilitate the
S&H acquisition and are included in "Cash and cash equivalents" on the December
31, 1997 Consolidated Balance Sheet. The borrowings were classified as
"Short-term debt" on the Consolidated Balance Sheet as of December 31, 1997. On
January 2, 1998, the Company borrowed an additional DM 182,500,000
(approximately $101,500,000) necessary to complete the acquisition and
classified the aggregate borrowings under the Revolving Credit Facility as long
term.


28
<PAGE>   30
The following summarized unaudited combined pro forma information for the
Company for the year ended December 31, 1997 is presented as if the S&H
acquisition had occurred on January 1, 1997. This unaudited pro forma
information is based on the historical results of operations adjusted for
acquisition costs and, in the opinion of management, is not necessarily
indicative of what the results would have been had the Company operated S&H
since January 1, 1997 (dollars in thousands, except per share data).

<TABLE>
<CAPTION>
                                         Unaudited Pro Forma Information
                                           Year Ended December 31, 1997
                                         -------------------------------
<S>                                      <C>
Net sales                                            $738,547
Net income                                             50,452
Basic and diluted earnings per share                     1.19
</TABLE>

3. UNUSUAL ITEM

During 1998, the Company recognized a pre-tax charge of $9,816,000 ($5,988,000
after tax) related primarily to the accrual of pension and medical benefits for
certain salaried and hourly employees of the Company's Ecusta Division and
certain salaried employees of the Company's Glatfelter Division who elected to
participate in a voluntary early retirement enhancement program. The pre-tax
charge also includes the cost of termination of several Glatfelter Division
salaried employees which was necessary to achieve the Company's cost-savings
goals.

The intent of this program is to generate annual payroll and benefits cost
savings through a reduction in the size of the Company's workforce. The
Company's aggregate restructuring resulted in the elimination of approximately
160 salaried and hourly positions with associated annual pre-tax cost savings of
approximately $8,400,000.

4. EARNINGS PER SHARE ("EPS")

Basic EPS excludes the dilutive impact of common stock equivalents and is
computed by dividing net income by the weighted-average number of shares of
common stock outstanding for the period. Diluted EPS includes the effect of
potential dilution from the issuance of common stock, pursuant to common stock
equivalents, using the treasury stock method. A reconciliation of the Company's
basic and diluted EPS follows with the dollar and share amounts in thousands:

<TABLE>
<CAPTION>
                                    1998      1997       1996
                                   Shares    Shares     Shares
                                  -------    -------    -------
<S>                               <C>        <C>        <C>
Basic EPS factors                  42,047     42,220     42,718
Effect of potentially dilutive
  employee incentive plans:
    Restricted stock awards            16         31         80
    Performance stock awards          126         96         69
    Employee stock options             13         95         43
                                  -------    -------    -------
Diluted EPS factors                42,202     42,442     42,910
                                  =======    =======    =======
Net income                        $36,133    $45,284    $60,399
Basic and diluted EPS             $   .86    $  1.07    $  1.41
</TABLE>

The 1998 basic and diluted EPS of $.86, as presented on the Consolidated
Statement of Income and Comprehensive Income, reflects the negative impact of an
after-tax charge for a voluntary early retirement enhancement program (unusual
item) of $.14 per share (see Note 3).

5. INCOME TAXES

Income taxes are recognized for the amount of taxes payable or refundable for
the current year and deferred tax liabilities and assets for the future tax
consequences of events that have been recognized in the Company's consolidated
financial statements or tax returns. The effects of income taxes are measured
based on effective tax law and rates.

The following are domestic and foreign components of pre-tax income for the
years ended December 31:

<TABLE>
<CAPTION>
                         1998       1997       1996
                        -------    -------    -------
                                (in thousands)
<S>                     <C>        <C>        <C>
United States           $44,602    $69,331    $94,457
Foreign                  14,130      4,246      3,448
                        -------    -------    -------
Total pre-tax income    $58,732    $73,577    $97,905
                        =======    =======    =======
</TABLE>

The income tax provision for the years ended December 31 consists of the
following:

<TABLE>
<CAPTION>
                                1998        1997       1996
                              --------     -------    -------
                                       (in thousands)
<S>                           <C>          <C>        <C>
Current:
  Federal                     $ 10,789     $23,590    $17,816
  State                           (106)        626      1,801
  Foreign                        3,805       1,237        987
                              --------     -------    -------
    Total current tax
      provision                 14,488      25,453     20,604
                              --------     -------    -------
Deferred:
  Federal                        6,647       2,358     14,570
  State                          1,244         444      2,297
  Foreign                          220          38         35
                              --------     -------    -------
    Total deferred tax
      provision                  8,111       2,840     16,902
                              --------     -------    -------
Total income tax provision    $ 22,599     $28,293    $37,506
                              ========     =======    =======
</TABLE>

The Company has provided deferred income taxes of $949,000 on undistributed
earnings of foreign subsidiaries as of December 31, 1998.


                                                                              29
<PAGE>   31
The net deferred tax amounts reported on the Company's Consolidated Balance
Sheets as of December 31 are as follows:

<TABLE>
<CAPTION>
                                         1998                         1997
                       -----------------------------------------    --------
                       Federal     State     Foreign     Total        Total
                       -------    -------    -------    --------    --------
                                         (in thousands)
<S>                    <C>        <C>        <C>        <C>         <C>
Current asset          $    --    $    --    $ 1,302    $  1,302    $     --
Current liability      $ 2,238    $   419    $   964    $  3,621    $  3,140
Long-term asset        $    --    $    --    $15,194    $ 15,194    $     --
Long-term liability    $92,484    $17,259    $13,578    $123,321    $101,995
</TABLE>

The following are components of the net deferred tax balances as of December 31:

<TABLE>
<CAPTION>
                                                  1998                        1997
                             -------------------------------------------    --------
                             Federal      State     Foreign      Total        Total
                             --------    -------    --------    --------    --------
Deferred tax assets:                            (in thousands)
<S>                          <C>         <C>        <C>         <C>         <C>
  Current                    $  5,019    $   940    $  1,344    $  7,303    $  5,202
  Long-term                    22,292      4,174      21,492      47,958      24,838
                             --------    -------    --------    --------    --------
                             $ 27,311    $ 5,114    $ 22,836    $ 55,261    $ 30,040
                             ========    =======    ========    ========    ========

Deferred tax liabilities:
  Current                    $  7,257    $ 1,359    $  1,006    $  9,622    $  8,342
  Long-term                   114,776     21,433      19,876     156,085     126,833
                             --------    -------    --------    --------    --------
                             $122,033    $22,792    $ 20,882    $165,707    $135,175
                             ========    =======    ========    ========    ========
</TABLE>

The tax effects of temporary differences as of December 31 are as follows:

<TABLE>
<CAPTION>
                                      1998        1997
                                    --------    --------
Deferred tax assets:                   (in thousands)
<S>                                 <C>         <C>
  Reserves                          $ 13,457    $ 10,662
  Compensation                         8,124       8,020
  Postretirement benefits             10,514       9,816
  Property                            14,528          --
  Pension                              3,209          --
  Net operating loss carryforwards     2,788          --
  Other                                2,641       1,542
                                    --------    --------
                                    $ 55,261    $ 30,040
                                    ========    ========
Deferred tax liabilities:
  Property                          $122,422    $ 97,643
  Pension                             31,171      27,866
  Inventories                          8,954       8,115
  Other                                3,160       1,551
                                    --------    --------
                                    $165,707    $135,175
                                    ========    ========
</TABLE>

A reconciliation between the income tax provision, computed by applying the
statutory federal income tax rate of 35%, to income before income taxes, and the
actual income tax provision for the years ended December 31 follows:

<TABLE>
<CAPTION>
                                                                1998         1997         1996
                                                              --------     --------     --------
                                                                        (in thousands)
<S>                                                           <C>          <C>          <C>
Federal income tax provision at statutory rate                $ 20,556     $ 25,752     $ 34,267
State income taxes, net of federal income tax benefit              740          696        2,663
Tax effect of exempt earnings of foreign sales corporation      (1,313)        (360)        (281)
Other                                                            2,616        2,205          857
                                                              --------     --------     --------
Actual income tax provision                                   $ 22,599     $ 28,293     $ 37,506
                                                              ========     ========     ========
</TABLE>


30
<PAGE>   32
At December 31, 1998, the Company had net operating loss carryforwards for
foreign income tax purposes of $11,285,000, which relates to its net operating
loss deferred tax asset of $2,788,000. These net operating loss carryforwards
are available to offset future taxable income, if any, and have no expiration
date.

6. BORROWINGS

Long-term debt at December 31 is summarized as follows:

<TABLE>
<CAPTION>
                                      1998          1997
                                   ---------     ---------
                                        (in thousands)
<S>                                <C>           <C>
Revolving Credit Facility, due
December 22, 2002                  $ 166,766     $      --
57/8% Notes, due March 1, 1998,
  interest payable semiannually           --       150,000
67/8% Notes, due July 15, 2007,
  interest payable semiannually      150,000       150,000
Other Notes, various                  10,703            --
                                   ---------     ---------
Total long-term debt                 327,469       300,000
Less current portion                  (2,088)     (150,000)
                                   ---------     ---------
Long-term debt, excluding
  current portion                  $ 325,381     $ 150,000
                                   =========     =========
</TABLE>

The aggregate maturities of long-term debt as of December 31, 1998 are as
follows:

<TABLE>
<S>                                  <C>
1999                                 $  2,088
2000                                    1,791
2001                                    1,791
2002                                  168,361
2003                                    1,401
Thereafter                            152,037
                                     --------
                                     $327,469
                                     ========
</TABLE>

In addition to the Revolving Credit Facility described in Note 2, the Company
has an available line of credit from a bank aggregating $25,000,000 at interest
rates approximating money market rates. The Company had no borrowings under this
line of credit as of December 31, 1998 or 1997.

In March 1993, the Company issued $150,000,000 principal amount of its 57/8%
Notes. These Notes matured and were paid on March 1, 1998. Interest on the Notes
was payable semiannually on March 1 and September 1.

On July 22, 1997, the Company issued $150,000,000 principal amount of 67/8%
Notes due July 15, 2007. Interest on the Notes is payable semiannually on
January 15 and July 15. The 67/8% Notes are redeemable, in whole or in part, at
the option of the Company at any time at a calculated redemption price plus
accrued and unpaid interest to the date of redemption, and constitute unsecured
and unsubordinated indebtedness of the Company. The net proceeds from the sale
of the 67/8% Notes were used to repay the $144,675,000 principal amount of the
short-term unsecured loan described below and approximately $501,000 of related
interest. The remaining balance of the net proceeds was applied to general
corporate purposes.

In February 1997, the Company formed GWS Valuch, Inc. ("GWS Valuch"), a
corporation organized under the laws of the State of Delaware, with the
intention that GWS Valuch would qualify as a real estate investment trust. The
Company invested approximately $122,500,000 to acquire approximately 99.9% of
the voting Class A common stock of GWS Valuch. GWS Valuch also issued shares of
step-down preferred stock ("Step-Down Preferred Stock"), having a liquidation
preference of $150,000,000 and an initial dividend of approximately 13.9%, to
other investors. This dividend included an amortization component of the
Step-Down Preferred Stock, resulting in an effective yield of approximately
8.1%. GWS Valuch has been consolidated in the Company's financial statements
since the date of formation.

Immediately following the establishment and capitalization of GWS Valuch, the
Company borrowed $270,000,000 from GWS Valuch under a note secured by certain
real estate assets of the Company. Using the proceeds of the note and other
available cash, the Company immediately repaid, with interest, an amount
initially borrowed to purchase the Class A common stock of GWS Valuch. The
Company also deposited $154,757,000, which included amounts to pay semiannual
interest, into a trust to defease certain covenants under the Company's
indenture dated as of January 15, 1993, under which the Company's $150,000,000
principal amount of 57/8% Notes due March 1, 1998, were outstanding. As of
December 31, 1997, approximately $153,000,000 of U. S. Treasury Notes were in
the trust and reported on the Company's Consolidated Balance Sheet as a
component of "Marketable securities." This amount, along with interest earned,
was held to maturity and used to pay the total amount of principal and interest
due on the 57/8% Notes on March 1, 1998.

Subsequent to the above transactions, the Internal Revenue Service announced
that it intended to issue regulations with retroactive effect on transactions
using self-amortizing investments in conduit financing entities. As a result of
this announcement, the likelihood that the Company could lose certain tax
benefits arising from GWS Valuch's Step-Down Preferred Stock financing increased
substantially. Accordingly, on July 2, 1997, using the proceeds of a short-term
unsecured loan in the principal amount of $144,675,000, the Company purchased
approximately 145,000 shares of Class A common stock of GWS Valuch. The funds
received were used by GWS Valuch to redeem all 150,000 outstanding shares of the
Step-Down Preferred Stock. "Interest on debt" on the Company's Consolidated
Statement of Income and Comprehensive Income for the year ended December 31,
1997 includes $4,235,000, representing a portion of the dividend paid relating
to the Step-Down Preferred Stock.

The Company has approximately $3,120,000 of letters of credit outstanding as of
December 31, 1998. The Company bears the credit risk on this amount to the
extent that it does not comply with the provisions of certain agreements. The
letters of credit do not reduce the amount available under the Company's lines
of credit.

7. INTEREST RATE SWAP AGREEMENTS

In March 1993, the Company entered into an interest rate swap agreement having a
total notional principal amount of $50,000,000. Under the agreement, the Company
received a fixed rate of 57/8% and paid a floating rate (London Interbank
Offered Rate (LIBOR) plus sixty basis points), as determined at six-month
intervals. The agreement converted a portion of the Company's debt obligation


                                                                              31
<PAGE>   33
from a fixed rate to a floating rate basis. Under the agreement, the Company
recognized net interest expense of $151,000, $275,000 and $174,000 in 1998, 1997
and 1996, respectively. These amounts are included in "Interest on debt" on the
Company's Consolidated Statements of Income and Comprehensive Income. The
Company held the swap agreement until its March 1, 1998 maturity.

To offset some of the variable rate characteristics of the total borrowing under
the Revolving Credit Facility, effective in January 1998, the Company entered
into two interest rate swap agreements, each having total notional principal
amounts of DM 52,600,000 (approximately $31,400,000 as of December 31, 1998).
Under the agreements, the Company pays fixed rates of 4.18% and 4.45% for
periods of two and three years, respectively, and receives a floating rate of
the six-month DM LIBOR. The six-month DM LIBOR applicable for the first and
second half of 1998 was approximately 3.8% and 3.7%, respectively. The six-month
DM LIBOR applicable for the first half of 1999 is approximately 3.3%. The
Company recognized net interest expense of $638,000 in 1998 related to these
agreements. As of December 31, 1998, the Company's cost to terminate these
interest rate swap agreements was approximately $1,100,000.

In January 1999, the Company entered into two additional interest rate swap
agreements, each having a total notional principal amount of DM 50,000,000
(approximately $30,000,000). Under one agreement, which is effective April 6,
1999, the Company will receive a floating rate (DM LIBOR plus twenty basis
points) as determined at three-month intervals and will pay a fixed rate of
3.4075%. Under the second agreement, which is effective July 6, 1999, the
Company will receive a floating rate (DM LIBOR plus twenty basis points) and
will pay a fixed rate of 3.425%. These agreements convert a portion of the
Company's borrowings under its Revolving Credit Facility from a floating rate to
a fixed rate basis. Although the Company can pay to terminate these swap
agreements at any time, the Company intends to hold both swap agreements until
their December 22, 2002 maturity.

During 1998, the Company had outstanding various interest rate swap agreements
previously entered into by S&H. Such agreements did not have a material impact
on the Company's consolidated financial statements.

8. KEY EMPLOYEE LONG-TERM INCENTIVE PLAN, RESTRICTED COMMON STOCK AWARD PLAN AND
EMPLOYEE STOCK PURCHASE PLANS

On April 23, 1997, the common shareholders amended the 1992 Key Employee
Long-Term Incentive Plan ("1992 Plan") to authorize, among other things, the
issuance of up to 5,000,000 shares of the Company's common stock to eligible
participants. The 1992 Plan provides for incentive stock options, non-qualified
stock options, restricted stock awards, performance shares and performance
units. The Company's 1988 Restricted Common Stock Award Plan ("1988 Plan") was
amended in 1992 to provide that no further awards of common shares may be made
thereunder.

RESTRICTED STOCK AWARDS

During 1988 and 1991, 755,000 and 76,000 shares of common stock, respectively,
were awarded under the 1988 Plan. During December 1998, 60,465 shares of common
stock were awarded under the 1992 Plan. Awarded shares are subject to
forfeiture, in whole or in part, if the recipient ceases to be an employee
within a specified period of time. The shares awarded under the 1992 Plan are
also subject to forfeiture if defined minimum earnings levels are not met. The
Company may reduce the number of shares otherwise required to be delivered by an
amount which would have a fair market value equal to the taxes withheld by the
Company on delivery. The Company may also, at its sole discretion, elect to pay
to the recipients in cash an amount equal to the fair market value of the shares
that would otherwise be required to be delivered.

On May 1, 1996, in lieu of delivering 60,303 shares, the Company elected to pay
in cash an amount equal to the fair value of such shares. Also on May 1, 1996,
72,193 shares were delivered from treasury (after reduction of 49,504 shares for
taxes). On May 1, 1997, 13,350 shares were delivered from treasury (after
reduction of 6,650 shares for taxes). On May 1, 1998, in lieu of delivering
20,000 shares, the Company elected to pay in cash an amount equal to the fair
value of such shares. The Company recognized income of $64,000 in 1998 and
expensed $166,000 and $283,000 in 1997 and 1996, respectively, related to these
restricted stock awards. During 1999, the remaining 20,000 shares awarded under
the 1988 Plan cease to be subject to forfeiture. The shares awarded under the
1992 Plan all cease to be subject to forfeiture in 2002.

PERFORMANCE SHARES

On May 1, 1995, January 1, 1996, January 1, 1997 and January 1, 1998, the
Company awarded, under the 1992 Plan, 59,620, 44,860, 40,060 and 45,740 shares,
respectively, subject to certain conditions, to certain key employees to be
issued in whole or in part depending on the Company's degree of success in
achieving certain financial performance goals during defined four-year
performance periods. The May 1, 1995 award was for the four-year performance
period ended December 31, 1998. Based upon the financial performance levels
achieved during that period, 45,751 shares were earned for distribution. During
February 1999, in lieu of delivering 45,751 shares of common stock, the Company
elected to pay cash equal to the fair value of 34,311 shares as of December 31,
1998, and deliver 11,440 shares from treasury.

The January 1, 1996, January 1, 1997 and January 1, 1998 awards are for the
performance periods ending December 31, 1999, 2000 and 2001, respectively, and
if earned will be distributed the following year. The Company recognized income
of $25,000 in 1998 and expensed $722,000 and $504,000 in 1997 and 1996,
respectively, related to these awards. The fair market value of the shares
granted during 1998, 1997, 1996 and 1995 was $18.38, $17.88, $17.16 and $17.81,
respectively.


32
<PAGE>   34
NON-QUALIFIED STOCK OPTIONS

The following summarizes the activity with respect to non-qualified options
under the 1992 Plan to purchase shares of common stock for the years ended
December 31, 1998, 1997 and 1996:
<TABLE>
<CAPTION>
                                                     1998                         1997                          1996
                                         -----------------------------    --------------------------     -------------------------
                                                          Weighted                       Weighted                       Weighted
                                                          Average                         Average                       Average
                                          Shares       Exercise Price     Shares      Exercise Price     Shares      Exercise Price
                                          ------       --------------     ------      --------------     ------      --------------
<S>                                      <C>               <C>            <C>               <C>         <C>               <C>
Outstanding at beginning of year         1,621,165         $17.61         1,403,640         $17.42      1,235,910         $17.48

Options granted                          1,659,115          13.19           352,750          18.25        202,030          16.91

Options exercised                           (3,100)         15.44          (105,225)         17.20        (12,300)         15.44

Options canceled                           (60,600)         18.03           (30,000)         17.41        (22,000)         17.48
                                         ---------                        ---------                     ---------
Outstanding at end of year               3,216,580          15.32         1,621,165          17.61      1,403,640          17.42

Exercisable at end of year               1,264,973          17.54         1,001,813          17.49        816,046          17.39
</TABLE>

The following table summarizes information about stock options outstanding at
December 31, 1998:
<TABLE>
<CAPTION>
                                              Options Outstanding                                     Options Exercisable
                    -----------------------------------------------------------------     ----------------------------------------
                           Number              Weighted Average           Weighted               Number               Weighted
  Range of             Outstanding as              Remaining              Average            Exercisable as           Average
Exercise Price           of 12/31/98           Contractual Life        Exercise Price          of 12/31/98         Exercise Price
- ----------------  ------------------     ----------------------     ----------------      ----------------      ----------------
<S>                  <C>                   <C>                       <C>                    <C>                <C>
$12.38 - $16.00          1,605,455             9.5 years                 $12.71                 170,850            $ 15.44

$16.01 - $18.78          1,611,125             6.4 years                  17.94               1,094,123              17.87
                         ---------                                                            ---------
                         3,216,580                                                            1,264,973
                         =========                                                            =========
</TABLE>

An additional 282,863 options became exercisable January 1, 1999, at a weighted
average exercise price of $18.03. The weighted average fair value of options
granted during 1998, 1997 and 1996 was $3.12, $4.92 and $4.24, respectively, on
the date of grant. The fair value of each option on the date of grant is
estimated using the Black-Scholes option pricing model with expected lives of
ten years and the following weighted average assumptions:
<TABLE>
<CAPTION>
                                1998           1997          1996
                               -----          -----         -----
<S>                             <C>           <C>           <C>
Risk-free interest rate         4.98%         6.43%         6.12%
Expected dividend yield         4.44%         3.86%         3.99%
Expected volatility             28.6%         24.7%         24.0%
</TABLE>

Options typically become exercisable for 25% of the shares of common stock
issuable on exercise thereof, beginning January 1 of the year following the date
of grant, assuming six months has passed, with options for an additional 25% of
such shares becoming exercisable on January 1 of each of the next three years.
Options not exercisable in this format are exercisable in full either six months
or one year from the date of grant. All options expire on the earlier of
termination or, in some instances, a defined period subsequent to termination of
employment, or ten years from the date of grant.

The exercise price represents the average quoted market price of the Company's
common stock on the date of grant, or the average quoted market prices of the
Company's common stock on the first day before and after the date of grant for
which quoted market price information was available if such information was not
available on the date of grant.

33
<PAGE>   35
PRO FORMA INFORMATION

The Company accounts for these plans under APB Opinion No. 25, under which no
compensation cost has been recognized for the non-qualified stock options and
for which compensation cost has been recognized for stock awards, as described
in Note 1(l). Had compensation cost for these plans been determined consistent
with SFAS No. 123, the Company's net income and EPS for the years ended December
31, 1998, 1997 and 1996 would have been reduced to the following pro forma
amounts:
<TABLE>
<CAPTION>

                                    1998            1997              1996
                                -----------     -----------        ----------
                                           (in thousands except
                                          per share information)
<S>                            <C>               <C>               <C>
Net income:
  As reported                  $   36,133        $   45,284        $   60,399
  Pro forma                        35,554            45,195            60,289

EPS:
  Reported -- basic and
    diluted                    $      .86        $     1.07        $     1.41
  Pro forma -- basic                  .85              1.07              1.41
  Pro forma -- diluted                .84              1.06              1.41
</TABLE>

EMPLOYEE STOCK PURCHASE PLANS

Through 1998, under the employee stock purchase plans, eligible hourly employees
could acquire shares of the Company's common stock at its fair market value.
Employees could contribute up to 10% of their compensation, as defined. For
employee contributions up to 6% of their compensation, the Company would
contribute, as specified in the plans, 15% of the employee's contribution.

As of January 1999, benefits offered to eligible hourly employees under such
stock purchase plans were replaced with similar benefits under a 401(k) plan.
See Note 9.

9. RETIREMENT PLANS AND OTHER POSTRETIREMENT BENEFITS

The Company has trusteed noncontributory defined benefit pension plans covering
substantially all of its employees. The benefits are based, in the case of
certain plans, on average salary and years of service and, in the case of other
plans, on a fixed amount for each year of service. Plan provisions and funding
meet the requirements of the Employee Retirement Income Security Act of 1974.
Pension income of $5,502,000, $10,063,000 and $9,246,000 was recognized in 1998,
1997 and 1996, respectively. The 1998 pension income is after the impact of a
pre-tax charge of $8,486,000 related to the unusual item discussed in Note 3.

The Company provides certain health care benefits to eligible retired employees.
These benefits include a comprehensive medical plan for retirees prior to age 65
and fixed supplemental premium payments to retirees over age 65 to help defray
the costs of Medicare. The plan is not funded; claims are paid as incurred.

The following table sets forth the status of the Company's defined benefit
pension plans and other postretirement benefit plans at December 31, 1998 and
1997 (in thousands):
<TABLE>
<CAPTION>
                                             Pension Benefits                     Other Benefits
                                    -----------------------------        ----------------------------
                                        1998              1997              1998              1997
                                    --------------    -----------        ------------      ---------
<S>                                  <C>               <C>               <C>               <C>
CHANGE IN BENEFIT OBLIGATION:
Benefit obligation at
   beginning of year                 $ 191,589         $ 176,859         $  27,450         $  27,831
Benefit obligation -- S&H                6,340              --                --                --
Service cost                             4,838             4,605               728               732
Interest cost                           14,355            13,008             2,005             2,036
Plan amendments                          6,156             2,060              (497)             (343)
Actuarial (gain) loss                    8,813             3,808             2,691              (741)
Benefits paid                           (9,656)           (8,751)           (2,380)           (2,065)
Unusual item (Note 3)                    8,486              --               1,294              --
                                     ---------         ---------         ---------         ---------
Benefit obligation
at end of year                       $ 230,921         $ 191,589         $  31,291         $  27,450
                                     =========         =========         =========         =========


CHANGE IN PLAN ASSETS:

Fair value of plan assets
  at beginning of year               $ 413,807         $ 335,421         $    --           $    --

Actual return on plan
  assets                                98,809            84,465              --                --
Employer contributions                   1,225             2,672             2,380             2,065
Benefits paid                           (9,656)           (8,751)           (2,380)           (2,065)
                                     ---------         ---------         ---------         ---------
Fair value of plan assets
  at end of year                     $ 504,185         $ 413,807         $    --           $    --
                                     =========         =========         =========         =========


RECONCILIATION OF THE
FUNDED STATUS:

Funded status                        $ 273,264         $ 222,218         $ (31,291)        $ (27,450)
Unrecognized transition
  asset                                 (9,202)          (10,926)             --                --
Unrecognized prior
  service cost                          21,187            16,507            (1,871)           (1,573)
Unrecognized
  (gain) loss                         (212,072)         (154,570)            6,217             3,673
                                     ---------         ---------         ---------         ---------
Net amount
  recognized                         $  73,177         $  73,229         $ (26,945)        $ (25,350)
                                     =========         =========         =========         =========


AMOUNTS RECOGNIZED ON THE
CONSOLIDATED BALANCE SHEETS
Consist of:

Prepaid benefit cost                 $  89,603         $  82,309         $    --           $    --
Accrued benefit
  liability                            (16,426)           (9,080)          (26,945)          (25,350)
                                     ---------         ---------         ---------         ---------
Prepaid (accrued)
  benefit cost                       $  73,177         $  73,229         $ (26,945)        $ (25,350)
                                     =========         =========         =========         =========
</TABLE>

                                       34
<PAGE>   36
The net prepaid pension cost is included in "Other assets," and accrued
postretirement benefit costs are principally included in "Other long-term
liabilities" on the Consolidated Balance Sheets at December 31, 1998 and 1997.

Net periodic benefit (income) cost includes the following components (in
thousands):
<TABLE>
<CAPTION>
                                                         Pension Benefits                         Other Benefits
                                                ---------------------------------         ---------------------------------
                                                  1998       1997         1996                1998      1997        1996
                                                --------    --------     --------         --------     --------    --------
<S>                                             <C>         <C>          <C>              <C>          <C>         <C>
Service cost                                    $  4,838    $  4,605     $  4,076         $    728     $    732    $    732
Interest cost                                     14,355      13,008       11,708            2,005        2,036       2,003
Expected return on plan assets                   (29,607)    (25,553)     (22,728)            --           --          --
Amortization of transition asset                  (1,724)     (1,725)      (1,725)            --           --          --
Amortization of prior service cost                 1,333       1,200          794             (175)        (149)       (150)
Recognized actuarial (gain) loss                  (3,183)     (1,598)      (1,371)             123          203         225
                                                --------    --------     --------         --------     --------    --------
Net periodic benefit (income) cost               (13,988)    (10,063)      (9,246)           2,681        2,822       2,810
Unusual item (Note 3)                              8,486        --           --              1,294         --          --
                                                --------    --------     --------         --------     --------    --------
Total net periodic benefit (income) cost        $ (5,502)   $(10,063)    $ (9,246)        $  3,975     $  2,822    $  2,810
                                                ========    ========     ========         ========     ========    ========
</TABLE>

The projected benefit obligation, accumulated benefit obligation and fair value
of plan assets for the pension plans with accumulated benefit obligations in
excess of plan assets were $21,384,000, $20,211,000 and $0, respectively, as of
December 31, 1998 and $12,944,000, $12,467,000 and $0, respectively, as of
December 31, 1997.

The assumptions used in computing the information above were as follows:
<TABLE>
<CAPTION>
                                                         Pension Benefits                  Other Benefits
                                                       -----------------------          ----------------------
                                                       1998       1997 & 1996           1998       1997 & 1996
                                                       ----       -----------           ----       -----------
<S>                                                   <C>         <C>                   <C>         <C>
Discount rate -- benefit expense                        7.5%        7.5%                  7.5%        7.5%
Expected long-term rate of return on plan assets        9.0%        9.0%                  --          --
Discount rate -- benefit obligation                     7.0%        7.5%                  7.0%        7.5%
Future compensation growth rate                         3.5%        3.5%                  --          --
</TABLE>

For measurement purposes, an 8% and 7% annual rate of increase in the per capita
cost of covered health care benefits was assumed for 1997 and 1998,
respectively. The rate was assumed to decrease 1% per year to 5.5% for 2000 and
remain at that level thereafter.

A one percentage-point change in assumed health care cost trend rates would have
the following effects:
<TABLE>
<CAPTION>
                                                                             1998                               1997
                                                               --------------------------------       ---------------------------
                                                                     1%            1%                     1%             1%
                                                                 Increase      Decrease               Increase       Decrease
                                                                 --------      --------               --------       --------
<S>                                                            <C>                <C>                 <C>             <C>
Effect on post-retirement benefit obligation                   $ 2,243,458        $(1,949,364)        $ 2,130,543     $(1,872,746)
Effect on total of service and interest cost components            268,259           (227,732)            268,419        (218,316)
</TABLE>

The Company maintains 401(k) plans for certain hourly and salaried employees.
Employees may contribute up to 15% of their salary to these plans, subject to
certain restrictions. The Company will match a portion of the employee's
contribution, subject to certain limitations, in the form of shares of the
Company's common stock into the Company stock fund maintained under the 401(k)
plan. During 1998, 1997 and 1996, the Company contributed shares of its common
stock valued at $1,541,000, $1,093,000 and $1,048,000, respectively, to these
401(k) plans.

                                       35
<PAGE>   37
10.  COMMITMENTS, CONTINGENCIES AND LEGAL PROCEEDINGS

The Company is subject to loss contingencies resulting from regulation by
various federal, state, local and foreign governmental authorities with respect
to the environmental impact of air and water emissions and noise from its mills,
as well as the disposal of solid waste generated by its operations. To comply
with environmental laws and regulations, the Company has incurred substantial
capital and operating expenditures over the past several years. The Company
anticipates that environmental regulation of its operations will continue to
become more burdensome and that capital and operating expenditures will
continue, and perhaps increase, in the future. In addition, the Company may
incur obligations to remove or mitigate any adverse effects on the environment
resulting from its operations, including the restoration of natural resources,
and liability for personal injury and damage to property, including natural
resources. Since environmental regulations are not consistent worldwide, the
Company's ability to compete in the world marketplace may be adversely affected
by capital and operating expenditures required for environmental compliance.

The Pennsylvania Department of Environmental Protection ("DEP") has proposed to
reissue the Company's wastewater discharge permit for the Spring Grove mill on
terms unacceptable to the Company. The Company cannot determine the impact that
the new permit will have on the Company if it contains objectionable terms
because the material terms of the final form of the permit are unknown.

The Company, along with six other companies which operate or formerly operated
facilities along the Fox River in Wisconsin, has been in discussions with the
Wisconsin Department of Natural Resources ("DNR") and the United States
regarding the alleged discharge of polychlorinated biphenyls ("PCBs") and other
hazardous substances to the Fox River below Lake Winnebago (the "lower Fox
River") and the Bay of Green Bay.

On January 30, 1997, the Company and six other companies entered into an
agreement with the State of Wisconsin (the "Wisconsin Agreement") which was
intended to establish a framework for the final resolution of claims for natural
resources damages and other relief which the State asserts against the
companies. Under the agreement, the companies are required to provide in the
aggregate $10 million in work and funds to facilitate natural resources damages
assessment activities, including, among other things, modeling and risk
assessment, as well as field scale demonstration of sediment dredging and the
enhancement of certain environmental amenities. The actual cost to be incurred
by the companies for such activities will exceed $10 million. Such costs are
expected to be incurred over a four-year period, although the bulk of the amount
should be spent by the end of 1999. The Company's final allocated portion of
such costs is unknown. The State has agreed to act as "lead authorized official"
under federal law for purposes of any assessment of damages to natural resources
within Wisconsin, except those within the administrative jurisdiction of a
federal agency. The United States Fish and Wildlife Service ("USFWS"), together
with the National Oceanic and Atmospheric Administration and two Indian tribes,
however, is conducting its own assessment despite the State's status. In
general, the parties to the Wisconsin Agreement have agreed to toll all
limitations periods and to forbear from litigation during the term of this
agreement. The parties intend to conclude a final resolution of all of the
State's claims during the course of, or after completion of, the work called for
by the agreement.

By letter dated January 31, 1997, and received by the Company on February 3,
1997, the USFWS provided 60 days' notice of the intention of the United States
Departments of the Interior and Commerce to commence an action for natural
resources damages against the Company and the six other companies referred to
above similarly relating to the discharge of hazardous substances into the lower
Fox River. The Company does not know the amount which the federal trustees will
claim as natural resources damages, but the Company believes that it will be
substantial. Beginning as of March 1, 1997, the Company and six other companies
entered into a series of agreements with the United States which provided that
all limitation periods were tolled and the parties would forbear from
litigation; the last tolling and forbearance period expired on December 2, 1997.

On July 11, 1997, the Wisconsin DNR, the United States Department of the
Interior, the Menominee Indian Tribe of Wisconsin, the Oneida Tribe of Indians
of Wisconsin, the National Oceanic and Atmospheric Administration and the United
States Environmental Protection Agency ("EPA") entered into a Memorandum of
Agreement (the "MOA") which provides for coordination and cooperation among
those parties in addressing the release or threat of release of hazardous
substances into the lower Fox River, Green Bay and Lake Michigan environment.
The MOA sets forth a mutual goal of remediating and/or responding to hazardous
substance releases and threats of releases, and restoring injured and
potentially injured natural resources. The MOA further states that, based on
current information, removal of the PCB-contaminated sediments in the lower Fox
River is expected to be the principal, but not exclusive, action undertaken to
achieve restoration and rehabilitation of injured natural resources. The MOA
anticipates funding from the Company and the six other companies, all of which
are identified as potentially responsible parties.


                                       36
<PAGE>   38

The EPA has proposed to include the Fox River/Green Bay site on the National
Priorities List maintained pursuant to the Comprehensive Environmental Response,
Compensation and Liability Act. The EPA rejected the potentially responsible
parties' offer to perform a remedial investigation and feasibility study
("RI/FS") for the site and the Wisconsin DNR commenced preparation of the RI/FS.

On February 26, 1999, Wisconsin DNR released a draft RI/FS for public comment.
In the draft RI/FS, Wisconsin DNR reviewed and summarized a number of possible
remedial alternatives for the site estimated to cost in the range of $0 to
$721,000,000, but did not select a preferred remedy. The Company does not
believe that the no action remedy will be selected. The largest components of
the costs of certain of the remedial alternatives are attributable to
large-scale sediment removal and disposal. There is no assurance that any of the
cost estimates in the draft RI/FS will not differ significantly from actual
costs. Public comments on the draft RI/FS must be submitted by April 12, 1999.
The Company intends to submit its comments prior to that deadline. After
consideration of public comment, the draft RI/FS may be revised to add, delete
or amend the remedial alternatives.

The Company did not participate in the process of developing the draft RI/FS.
Based on current information and advice from its environmental consultants, the
Company continues to believe that an aggressive effort, as included in certain
remedial alternatives in the draft RI/FS, to remove PCB-contaminated sediments,
many of which are buried under cleaner material or are otherwise unlikely to
move, would be environmentally detrimental and therefore inappropriate.

The Company is currently unable to predict the ultimate costs to the Company
related to this matter, because the Company cannot predict which remedy will be
selected for the site or its share of the cost of that remedy.

The Company continues to believe it is likely that this matter will result in
litigation; however, the Company believes it will be able to persuade a court
that removal of a substantial amount of PCB-contaminated sediments is not an
appropriate remedy. There can be no assurance, however, that the Company will be
successful in arguing that removal of PCB-contaminated sediments is
inappropriate, that it would prevail in any resulting litigation, that its share
of the cost of any remedy selected would not have a material adverse effect on
the Company's consolidated financial condition, liquidity and results of
operations or that the Company's share of such cost would not exceed its
available resources.

The amount and timing of future expenditures for environmental compliance, clean
up, remediation and personal injury and property damage liability, including but
not limited to those related to the lower Fox River and the Bay of Green Bay,
cannot be ascertained with any certainty due to, among other things, the unknown
extent and nature of any contamination, the extent and timing of any
technological advances for pollution control, the remedial actions which may be
required and the number and financial resources of any other responsible
parties. The Company continues to evaluate its exposure and the level of its
reserves, including, but not limited to, its share of the agreement reached with
the State regarding the lower Fox River and the Bay of Green Bay, its
negotiations with the State and the United States concerning those areas and the
unknown amount which could be claimed by the federal trustees as natural
resource damages related to the lower Fox River. The Company believes that it is
insured against certain losses related to the lower Fox River, depending on the
nature and amount thereof. Coverage, which is currently being investigated under
reservation of rights by various insurance companies, is dependent upon the
identity of the plaintiff, the procedural posture of the claims asserted and how
such claims are characterized. The Company does not know when the insurers'
investigation as to coverage will be completed.

The Company's current assessment, after consultation with legal counsel, is that
future expenditures for these matters are not likely to have a material adverse
impact on the Company's consolidated financial condition or liquidity, but could
have a material adverse effect on the Company's consolidated results of
operations in a given year; however, there can be no assurances that the
Company's reserves will be adequate or that a material adverse effect on the
Company's consolidated financial condition or liquidity will not occur at some
future time.

During 1998 and 1997, the Company expended approximately $4,900,000 and
$8,000,000, respectively, on environmental capital projects. The Company
estimates that $11,000,000 and $18,000,000 will be expended for environmental
capital projects in 1999 and 2000, respectively. During 1998, 1997 and 1996, the
Company incurred approximately $17,700,000, $14,800,000 and $15,200,000,
respectively, in operating costs related to complying with environmental laws
and regulations.

The Company is also involved in various lawsuits. Although the ultimate outcome
of these lawsuits cannot be predicted with certainty, the Company's management,
after consultation with legal counsel, does not expect that such lawsuits will
have a material adverse effect on the Company's consolidated financial position,
results of operations or liquidity.

                                       37
<PAGE>   39
11. OTHER SALES AND GEOGRAPHIC INFORMATION

The Company sells a significant portion of its specialized printing papers
through wholesale paper merchants. During 1997 and 1996, one wholesale paper
merchant accounted for 11.6% and 12.1% of the Company's net sales, respectively.
Net sales for this customer was less than 10% of the Company's 1998 net sales.

The Company's 1998 net sales to external customers and location of net plant,
equipment and timberlands as of December 31, 1998 are summarized below. Net
sales are attributed to countries based upon origin of shipment. Such
information is not presented for 1997 or 1996, as sales originated primarily
from the United States and net plant, equipment and timberlands assets were
primarily located therein.
<TABLE>
<CAPTION>
                                             Plant, Equipment and
                              Net Sales       Timberlands -- Net
                             -----------     --------------------
<S>                          <C>             <C>
United States                  $535,425        $464,384
Germany                         130,129         141,743
Other foreign countries          39,524          22,029
                               --------        --------
Total                          $705,078        $628,156
                               ========        ========
</TABLE>


Net sales information by the Company's product groups for the years ended
December 31 follows:
<TABLE>
<CAPTION>
                                                           1998                 1997                       1996
                                                    ----------------       ------------------       --------------------
                                                                                (in thousands)
<S>                                                 <C>         <C>         <C>          <C>         <C>           <C>
Specialized Printing Papers                         $351,171     50%        $354,076      62%        $355,328       63%
Engineered Papers (including tobacco papers)         353,907     50%         212,996      38%         210,756       37%
                                                    --------    ---         --------     ---         --------      ---
Total                                               $705,078    100%        $567,072     100%        $566,084      100%
                                                    ========    ===         ========     ===         ========      ===
</TABLE>


12. SUBSEQUENT EVENT

In January of 1999, the Company's Board of Directors authorized the repurchase
of 1,000,000 additional shares of the Company's common stock in the open market
or in privately-negotiated transactions. Any shares repurchased will be added to
the Company's treasury stock holdings.


                                       38
<PAGE>   40
MANAGEMENT'S RESPONSIBILITY REPORT

The management of P. H. Glatfelter Company has prepared and is responsible for
the Company's consolidated financial statements and other corroborating
information contained herein. Management bears responsibility for the integrity
of these statements which have been prepared in accordance with generally
accepted accounting principles and include management's best judgments and
estimates. All information in this annual report consistently reflects the data
contained in the consolidated financial statements.

The Company maintains a system of internal controls designed to provide
reasonable assurance that assets are safeguarded, transactions are executed and
recorded in accordance with their authorizations, and financial records are
maintained so as to permit the preparation of reliable financial statements. The
system of internal controls is enhanced by written policies and procedures, an
organizational structure providing appropriate segregation of duties, careful
selection and training of qualified people, and periodic reviews performed by
both its internal audit department and independent public auditors.

The Audit Committee of the Board of Directors, consisting exclusively of
directors who are not Company employees, provides oversight of financial
reporting. The Company's internal audit department and independent auditors meet
with the Audit Committee on a periodic basis to discuss financial reporting and
internal control issues and have completely free access to the Audit Committee.

/s/ George H. Glatfelter II
- --------------------------
George H. Glatfelter II
President and Chief Executive Officer

/s/ Robert P. Newcomer
- ---------------------
Robert P. Newcomer
Executive Vice President
and Chief Financial Officer


INDEPENDENT AUDITORS' REPORT


P. H. Glatfelter Company,
    Its Shareholders and Directors:

We have audited the accompanying consolidated balance sheets of P. H. Glatfelter
Company and subsidiaries as of December 31, 1998 and 1997, and the related
consolidated statements of income and comprehensive income, shareholders'
equity, and cash flows for each of the three years in the period ended December
31, 1998. Our audits also included the financial statement schedule listed in
the Index at Item 14. These financial statements and the financial statement
schedule are the responsibility of the Company's management. Our responsibility
is to express an opinion on these financial statements and the financial
statement schedule 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, such consolidated financial statements present fairly, in all
material respects, the financial position of P.H. Glatfelter Company and
subsidiaries at December 31, 1998 and 1997, and the results of their operations
and their cash flows for each of the three years in the period ended December
31, 1998 in conformity with generally accepted accounting principles. Also, in
our opinion, the financial statement schedule, when considered in relation to
the basic consolidated financial statements taken as a whole, presents fairly in
all material respects the information set forth therein.


/s/ Deloitte & Touche LLP

Philadelphia, Pennsylvanlia
February 26, 1999

                                       39
<PAGE>   41
SUPPLEMENTAL FINANCIAL INFORMATION
P.H. GLATFELTER COMPANY AND SUBSIDIARIES
QUARTERLY FINANCIAL DATA (UNAUDITED)
<TABLE>
<CAPTION>
                       Net Sales                     Gross Profit                  Net Income               Basic and Diluted
                     In Thousands                    In Thousands                 In Thousands             Earnings Per Share
             -------------------------        ------------------------       ------------------------     ----------------------
                1998            1997            1998            1997            1998            1997        1998       1997
              --------        --------        --------        --------        --------        --------     -------   --------
<S>           <C>             <C>             <C>             <C>             <C>             <C>          <C>        <C>
First         $193,216        $142,185        $ 40,929        $ 30,180        $ 15,327        $ 12,823     $ .36      $ .30
Second         183,707         141,935          38,280          27,100          13,791          11,222       .33        .27
Third          167,245         139,192          24,041          21,072        3,206)(a)          7,423       .08(a)     .17
Fourth         160,910         143,760          26,477          30,594        3,809)(b)         13,816       .09(b)     .33
              --------        --------        --------        --------        --------        --------     -----      -----
Total         $705,078        $567,072        $129,727        $108,946        $ 36,133        $ 45,284     $ .86      $1.07
              ========        ========        ========        ========        ========        ========     =====      =====
</TABLE>

     (a)  After impact of an after-tax charge for voluntary early retirement
          enhancement program (unusual item) of $3,402,000.

     (b)  After impact of an after-tax charge for voluntary early retirement
          enhancement program (unusual item) of $2,586,000.


Item 9.        Changes in and Disagreements With Accountants on
               Accounting and Financial Disclosure.

               Not Applicable.


                                    PART III


Item 10.  Directors and Executive Officers of the Registrant.

               (a) Directors. The information with respect to directors required
under this item is incorporated herein by reference to pages 2, 3 and 20 of the
Registrant's Proxy Statement, dated March 19, 1999.

               (b) Executive Officers of the Registrant. The information with
respect to the executive officers required under this item is set forth in Part
I of this report.


Item 11.  Executive Compensation.

               The information required under this item is incorporated herein
by reference to pages 6 through 16 of the Registrant's Proxy Statement, dated
March 19, 1999.


                                       40

<PAGE>   42



Item 12.       Security Ownership of Certain Beneficial Owners and
               Management.

               The information required under this item is incorporated herein
by reference to pages 17 through 19 of the Registrant's Proxy Statement, dated
March 19, 1999.


Item 13.       Certain Relationships and Related Transactions.

               The information required under this item is incorporated herein
by reference to page 17 of the Registrant's Proxy Statement, dated March 19,
1999.


                                     PART IV


Item 14.       Exhibits, Financial Statement Schedules, and Reports
               on Form 8-K.

               (a)    1.     A.     The following consolidated Financial
Statements of the Registrant are included in Part II, Item 8:

                      Consolidated Statements of Income and
                        Comprehensive Income for the Years
                        Ended December 31, 1998, 1997 and 1996
                      Consolidated Balance Sheets, December 31, 1998
                        and 1997
                      Consolidated Statements of Shareholders' Equity for the
                        Years Ended December 31, 1998, 1997 and 1996
                      Consolidated Statements of Cash Flows for the
                        Years Ended December 31, 1998, 1997 and 1996
                      Notes to Consolidated Financial Statements for
                        the Years Ended December 31, 1998, 1997 and
                        1996

                             B.     Supplemental Financial Information for each
of the two years in the period ended December 31, 1998 is included in Part II, 
Item 8.

                      2.     Financial Statement Schedules (Consolidated) are 
included in Part IV:

                      For Each of the Three Years in the Period Ended
December 31, 1998:

                         II -       Valuation and Qualifying Accounts

                      Schedules other than those listed above are
                      omitted because of the absence of conditions under




                                       41

<PAGE>   43



                      which they are required or because the required
                      information is included in the Notes to the Consolidated
                      Financial Statements.

                      Individual financial statements of the Registrant are not
                      presented inasmuch as the Registrant is primarily an
                      operating company and its consolidated subsidiaries are
                      essentially wholly-owned.

                      3.     Executive Compensation Plans and
Arrangements: see Exhibits 10(a) through 10(h), described below.

               Exhibits:

Number                              Description of Documents

(2)            Stock Purchase Agreement dated as of November 14, 1997
               by and among certain subsidiaries of P. H. Glatfelter
               Company, the Stockholders of S&H Papier-Holding GmbH,
               Deutsche Beteiligungs Aktiengesellschaft
               Unternehmensbeteiligungsgesellschaft and P.H.
               Glatfelter Company (incorporated by reference to
               Exhibit 2.1 of Registrant's Form 8-K dated January 2,
               1998).

(3)(a)         Articles of Amendment dated April 27, 1977, including
               restated Articles of Incorporation (incorporated by
               reference to Exhibit 3(a) of Registrant's Annual Report
               on Form 10-K for the year ended December 31, 1993) as
               amended by Articles of Merger dated January 30, 1979
               (incorporated by reference to Exhibit 3(a) of
               Registrant's Annual Report on Form 10-K for the year
               ended December 31, 1993); a Statement of Reduction of
               Authorized Shares dated May 12, 1980 (incorporated by
               reference to Exhibit 3(a) of Registrant's Annual Report
               on Form 10-K for the year ended December 31, 1993); a
               Statement of Reduction of Authorized Shares dated
               September 23, 1981 (incorporated by reference to
               Exhibit 3(a) of Registrant's Annual Report on Form 10-K
               for the year ended December 31, 1993); a Statement of
               Reduction of Authorized Shares dated August 2, 1982
               (incorporated by reference to Exhibit 3(a) of
               Registrant's Annual Report on Form 10-K for the year
               ended December 31, 1993); a Statement of Reduction of
               Authorized Shares dated July 29, 1983 (incorporated by
               reference to Exhibit 3(a) of Registrant's Annual Report
               on Form 10-K for the year ended December 31, 1993); by
               Articles of Amendment dated April 25, 1984
               (incorporated by reference to Exhibit 3(a) of




                                       42

<PAGE>   44



               Registrant's Annual Report on Form 10-K for the year ended
               December 31, 1994); a Statement of Reduction of Authorized Shares
               dated October 15, 1984 (incorporated by reference to Exhibit
               (3)(b) of Registrant's Form 10-K for the year ended December 31,
               1984); a Statement of Reduction of Authorized Shares dated
               December 24, 1985 (incorporated by reference to Exhibit (3)(b) of
               Registrant's Form 10-K for the year ended December 31, 1985); by
               Articles of Amendment dated April 23, 1986 (incorporated by
               reference to Exhibit (3) of Registrant's Quarterly Report on Form
               10-Q for the quarter ended March 31, 1986); a Statement of
               Reduction of Authorized Shares dated July 11, 1986 (incorporated
               by reference to Exhibit (3)(b) of Registrant's Form 10-K for the
               year ended December 31, 1986); a Statement of Reduction of
               Authorized Shares dated March 25, 1988 (incorporated by reference
               to Exhibit (3)(b) of Registrant's Form 10-K for the year ended
               December 31, 1987); a Statement of Reduction of Authorized Shares
               dated November 9, 1988 (incorporated by reference to Exhibit
               (3)(b) of Registrant's Form 10-K for the year ended December 31,
               1988); a Statement of Reduction of Authorized Shares dated April
               24, 1989 (incorporated by reference to Exhibit 3(b) of
               Registrant's Form 10-K for the year ended December 31, 1989);
               Articles of Amendment dated November 29, 1990 (incorporated by
               reference to Exhibit 3(b) of Registrant's Form 10-K for the year
               ended December 31, 1990); Articles of Amendment dated June 26,
               1991 (incorporated by reference to Exhibit 3(b) of Registrant's
               Form 10-K for the year ended December 31, 1991); Articles of
               Amendment dated August 7, 1992 (incorporated by reference to
               Exhibit 3(b) of Registrant's Form 10-K for the year ended
               December 31, 1992); Articles of Amendment dated July 30, 1993
               (incorporated by reference to Exhibit 3(b) of Registrant's Form
               10-K for the year ended December 31, 1993); and Articles of
               Amendment dated January 26, 1994 (incorporated by reference to
               Exhibit 3(b) of Registrant's Form 10-K for the year ended
               December 31, 1993).

(3)(b)         Articles of Incorporation, as amended through January 26, 1994
               (restated for the purpose of filing on EDGAR) (incorporated by
               reference to Exhibit 3(c) of Registrant's Form 10-K for the year
               ended December 31, 1993).

(3)(c)         By-Laws as amended through March 17, 1999.





                                       43

<PAGE>   45



(4)(a)         Escrow Agreement, dated as of February 24, 1997 between P. H.
               Glatfelter Company and the Bank of New York relating to the 
               5-7/8% Notes due March 1, 1998 (incorporated by reference to
               Exhibit (4)(c) of Registrant's Form 10-K for the year ended
               December 31, 1996).

(4)(b)         Indenture, dated as of July 22, 1997, between P. H.
               Glatfelter Company and The Bank of New York, relating
               to the 6-7/8% Notes due 2007 (incorporated by reference
               to Exhibit 4.1 to the Registrant's Form S-4
               Registration Statement, Reg. No. 333-36395).

(4)(c)         Registration Rights Agreement, dated as of July 22,
               1997, among P. H. Glatfelter Company, Bear, Stearns &
               Co. Inc. and BT Securities Corporation, relating to the
               6-7/8% Notes due 2007 (incorporated by reference to
               Exhibit 4.3 to the Registrant's Form S-4 Registration
               Statement, Reg. No. 333-36395).

(9)            P. H. Glatfelter Family Shareholders' Voting Trust
               dated July 1, 1993 (incorporated by reference to
               Exhibit 1 of the Schedule 13D filed by P. H. Glatfelter
               Family Shareholders' Voting Trust dated July 1, 1993).

(10)(a)        P. H. Glatfelter Company Management Incentive Plan, adopted as of
               January 1, 1994, as amended effective December 17, 1998.

(10)(b)        P. H. Glatfelter Company 1988 Restricted Common Stock Award Plan,
               as amended and restated June 24, 1992 (incorporated by reference
               to Exhibit (10)(c) of Registrant's Form 10-K for the year ended
               December 31, 1992).

(10)(c)        P. H. Glatfelter Company Supplemental Executive
               Retirement Plan, as amended and restated effective
               April 23, 1998.

(10)(d)        Deferral Benefit Pension Plan of Ecusta Division, effective May
               22, 1986 (incorporated by reference to Exhibit (10)(e) of
               Registrant's Form 10-K for the year ended December 31, 1987).

(10)(e)        Description of Executive Salary Continuation Plan (incorporated
               by reference to Exhibit (10)(g) of Registrant's Form 10-K for the
               year ended December 31, 1990).





                                       44

<PAGE>   46



(10)(f)        P. H. Glatfelter Company Supplemental Management
               Pension Plan, effective as of April 23, 1998.

(10)(g)        P. H. Glatfelter Company 1992 Key Employee Long-Term Incentive
               Plan, as amended April 23, 1997 (incorporated by reference to
               Exhibit A of Registrant's Proxy Statement, dated March 14, 1997).

(10)(h)        P. H. Glatfelter Company Deferred Compensation Plan for
               Directors, effective as of April 22, 1998

(10)(i)        Loan Agreement, dated February 24, 1997 between P. H. Glatfelter
               Company, as borrower, and GWS Valuch, Inc., as lender
               (incorporated by reference to Exhibit (10)(h) of Registrant's
               Form 10-K for the year ended December 31, 1996).

(10)(j)        Agreement between the State of Wisconsin and Certain
               Companies Concerning the Fox River, dated as of
               January 31, 1997, among P. H. Glatfelter Company, Fort
               Howard Corporation, NCR Corporation, Appleton Papers
               Inc., Riverside Paper Corporation, U.S. Paper Mills,
               Wisconsin Tissue Mills Inc. and the State of Wisconsin
               (incorporated by reference to Exhibit (10)(i) of
               Registrant's Form 10-K for the year ended December 31,
               1996).

(10)(k)        Credit Agreement, dated as of December 22, 1997 among
               P. H. Glatfelter Company, various subsidiary borrowers,
               Bankers Trust Company, as Agent, and various lending
               institutions with Deutsche Bank AG, as Documentation
               Agent, PNC Bank, National Association, as Syndication
               Agent, and First National Bank of Maryland and Wachovia
               Bank, N.A., as Managing Agents (incorporated by
               reference to Exhibit (10)(j) of Registrant's Form 10-K
               for the year ended December 31, 1997).

(21)           Subsidiaries of the Registrant

(23)           Consent of Independent Certified Public Auditors

(27)           Financial Data Schedule

               (b)    The Registrant did not file any reports on Form 8-K during
                      the quarter ended December 31, 1998.





                                       45

<PAGE>   47



                                   SIGNATURES

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

                                                   P. H. GLATFELTER COMPANY
                                                   (Registrant)
March 22, 1999
                                                   By /s/ G. H. Glatfelter II
                                                      -----------------------
                                                      G. H. Glatfelter II
                                                      President and
                                                      Chief Executive Officer

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


<TABLE>
<CAPTION>
Date                     Signature                               Capacity          
- ----                     ---------                               --------

<S>                      <C>                                     <C>
March 22, 1999           /s/ G. H. Glatfelter                    Principal Executive
                         --------------------------              Officer and Director
                         G. H. Glatfelter II                     


March 22, 1999           /s/ R. P. Newcomer                      Principal Financial
                         --------------------------              Officer, Executive Vice
                         R. P. Newcomer                          President and Director
                                                                 

March 22, 1999           /s/ C. M. Smith                         Principal Accounting
                         --------------------------              Officer and Vice
                         C. M. Smith                             President - Finance
                                                                 

March 22, 1999           /s/ R. E. Chappell                      Director
                         -------------------------
                         R. E. Chappell


March 22, 1999           /s/ N. DeBenedictis                     Director
                         -------------------------
                         N. DeBenedictis
</TABLE>








<PAGE>   48




<TABLE>
<S>                      <C>                                     <C>
March 22, 1999           /s/ G. H. Glatfelter                    Director
                         -------------------------
                         G. H. Glatfelter


March 22, 1999           /s/ R. S. Hillas                        Director
                         -------------------------
                         R. S. Hillas


March 22, 1999           /s/ M. A. Johnson II                    Director
                         -------------------------
                         M. A. Johnson II


March 22, 1999           /s/ R. W. Kelso                         Director
                         -------------------------
                         R. W. Kelso


March 22, 1999           /s/ T. C. Norris                        Director
                         -------------------------
                         T. C. Norris


March 22, 1999           /s/ P. R. Roedel                        Director
                         -------------------------
                         P. R. Roedel


March 22, 1999           /s/ J. M. Sanzo                         Director
                         -------------------------
                         J. M. Sanzo


March 22, 1999           /s/ R. L. Smoot   
                         -------------------------
                         R. L. Smoot                             Director
</TABLE>






<PAGE>   49



                                                                     SCHEDULE II


P. H. GLATFELTER COMPANY AND SUBSIDIARIES


SUPPLEMENTAL FINANCIAL STATEMENT SCHEDULE
FOR EACH OF THE THREE YEARS IN THE PERIOD ENDED DECEMBER 31, 1998
- --------------------------------------------------------------------------------

VALUATION AND QUALIFYING ACCOUNTS
Amounts in Thousands

<TABLE>
<CAPTION>
                                                                 Allowances for
                                --------------------------------------------------------------------------------
                                         Doubtful Accounts                       Sales Discounts & Deductions
                                --------------------------------------------------------------------------------
                                   1998         1997         1996              1998          1997          1996
<S>                             <C>           <C>          <C>              <C>           <C>            <C>   
Balance, beginning of year       $ 1,973      $ 1,913      $ 1,979           $    542      $    551      $   501

Other(1)                             325          --           --               1,126            --           --

Provision                             90          160           10             14,995         12,882        8,866

Write-offs, recoveries and 
discounts allowed                   (856)        (100)         (76)           (14,528)      (12,891)      (8,816)
                                 -------      -------      -------           --------      --------      -------

Balance, end of year             $ 1,532      $ 1,973      $ 1,913           $  2,135      $    542      $   551
                                 =======      =======      =======           ========      ========      =======
</TABLE>


The provision for doubtful accounts is included in administrative expense and
the provision for sales discounts and deductions is deducted from sales. 
The related allowances are deducted from accounts receivable.

(1) Relates primarily to the acquisition of S&H Papier-Holding GmbH.



<PAGE>   50



                                         EXHIBIT INDEX


Number

(2)            Stock Purchase Agreement dated as of November 14, 1997
               by and among certain subsidiaries of P. H. Glatfelter
               Company, the Stockholders of S&H Papier-Holding GmbH,
               Deutsche Beteiligungs Aktiengesellschaft
               Unternehmensbeteiligungsgesellschaft and P.H.
               Glatfelter Company (incorporated by reference to
               Exhibit 2.1 of Registrant's Form 8-K dated January 2,
               1998).

(3)(a)         Articles of Amendment dated April 27, 1977, including
               restated Articles of Incorporation (incorporated by
               reference to Exhibit 3(a) of Registrant's Annual Report
               on Form 10-K for the year ended December 31, 1993) as
               amended by Articles of Merger dated January 30, 1979
               (incorporated by reference to Exhibit 3(a) of
               Registrant's Annual Report on Form 10-K for the year
               ended December 31, 1993); a Statement of Reduction of
               Authorized Shares dated May 12, 1980 (incorporated by
               reference to Exhibit 3(a) of Registrant's Annual Report
               on Form 10-K for the year ended December 31, 1993); a
               Statement of Reduction of Authorized Shares dated
               September 23, 1981 (incorporated by reference to
               Exhibit 3(a) of Registrant's Annual Report on Form 10-K
               for the year ended December 31, 1993); a Statement of
               Reduction of Authorized Shares dated August 2, 1982
               (incorporated by reference to Exhibit 3(a) of
               Registrant's Annual Report on Form 10-K for the year
               ended December 31, 1993); a Statement of Reduction of
               Authorized Shares dated July 29, 1983 (incorporated by
               reference to Exhibit 3(a) of Registrant's Annual Report
               on Form 10-K for the year ended December 31, 1993); by
               Articles of Amendment dated April 25, 1984
               (incorporated by reference to Exhibit 3(a) of
               Registrant's Annual Report on Form 10-K for the year
               ended December 31, 1994); a Statement of Reduction of
               Authorized Shares dated October 15, 1984 (incorporated
               by reference to Exhibit (3)(b) of Registrant's Form 10-
               K for the year ended December 31, 1984); a Statement of
               Reduction of Authorized Shares dated December 24, 1985
               (incorporated by reference to Exhibit (3)(b) of
               Registrant's Form 10-K for the year ended December 31,
               1985); by Articles of Amendment dated April 23, 1986
               (incorporated by reference to Exhibit (3) of
               Registrant's Quarterly Report on Form 10-Q for the
               quarter ended March 31, 1986); a Statement of Reduction





<PAGE>   51



               of Authorized Shares dated July 11, 1986 (incorporated by
               reference to Exhibit (3)(b) of Registrant's Form 10-K for the
               year ended December 31, 1986); a Statement of Reduction of
               Authorized Shares dated March 25, 1988 (incorporated by reference
               to Exhibit (3)(b) of Registrant's Form 10-K for the year ended
               December 31, 1987); a Statement of Reduction of Authorized Shares
               dated November 9, 1988 (incorporated by reference to Exhibit
               (3)(b) of Registrant's Form 10-K for the year ended December 31,
               1988); a Statement of Reduction of Authorized Shares dated April
               24, 1989 (incorporated by reference to Exhibit 3(b) of
               Registrant's Form 10-K for the year ended December 31, 1989);
               Articles of Amendment dated November 29, 1990 (incorporated by
               reference to Exhibit 3(b) of Registrant's Form 10-K for the year
               ended December 31, 1990); Articles of Amendment dated June 26,
               1991 (incorporated by reference to Exhibit 3(b) of Registrant's
               Form 10-K for the year ended December 31, 1991); Articles of
               Amendment dated August 7, 1992 (incorporated by reference to
               Exhibit 3(b) of Registrant's Form 10-K for the year ended
               December 31, 1992); Articles of Amendment dated July 30, 1993
               (incorporated by reference to Exhibit 3(b) of Registrant's Form
               10-K for the year ended December 31, 1993); and Articles of
               Amendment dated January 26, 1994 (incorporated by reference to
               Exhibit 3(b) of Registrant's Form 10-K for the year ended
               December 31, 1993).

(3)(b)         Articles of Incorporation, as amended through January 26, 1994
               (restated for the purpose of filing on EDGAR) (incorporated by
               reference to Exhibit 3(c) of Registrant's Form 10-K for the year
               ended December 31, 1993).

(3)(c)         By-Laws as amended through March 17, 1999.

(4)(a)         Escrow Agreement, dated as of February 24, 1997 between P. H.
               Glatfelter Company and the Bank of New York relating to the 
               5-7/8% Notes due March 1, 1998 (incorporated by reference to 
               Exhibit (4)(c) of Registrant's Form 10-K for the year ended 
               December 31, 1996).

(4)(b)         Indenture, dated as of July 22, 1997, between P. H. Glatfelter
               Company and The Bank of New York, relating to the 6-7/8% Notes
               due 2007 (incorporated by reference to Exhibit 4.1 to the
               Registrant's Form S-4 Registration Statement, Reg. No.
               333-36395).





<PAGE>   52



(4)(c)         Registration Rights Agreement, dated as of July 22,
               1997, among P. H. Glatfelter Company, Bear, Stearns &
               Co. Inc. and BT Securities Corporation, relating to the
               6-7/8% Notes due 2007 (incorporated by reference to
               Exhibit 4.3 to the Registrant's Form S-4 Registration
               Statement, Reg. No. 333-36395).

(9)            P. H. Glatfelter Family Shareholders' Voting Trust
               dated July 1, 1993 (incorporated by reference to
               Exhibit 1 of the Schedule 13D filed by P. H. Glatfelter
               Family Shareholders' Voting Trust dated July 1, 1993).

(10)(a)        P. H. Glatfelter Company Management Incentive Plan, adopted as of
               January 1, 1994, as amended effective December 17, 1998.

(10)(b)        P. H. Glatfelter Company 1988 Restricted Common Stock Award Plan,
               as amended and restated June 24, 1992 (incorporated by reference
               to Exhibit (10)(c) of Registrant's Form 10-K for the year ended
               December 31, 1992).

(10)(c)        P. H. Glatfelter Company Supplemental Executive
               Retirement Plan, as amended and restated effective
               April 23, 1998.

(10)(d)        Deferral Benefit Pension Plan of Ecusta Division, effective May
               22, 1986 (incorporated by reference to Exhibit (10)(e) of
               Registrant's Form 10-K for the year ended December 31, 1987).

(10)(e)        Description of Executive Salary Continuation Plan (incorporated
               by reference to Exhibit (10)(g) of Registrant's Form 10-K for the
               year ended December 31, 1990).

(10)(f)        P. H. Glatfelter Company Supplemental Management
               Pension Plan, effective as of April 23, 1998.

(10)(g)        P.H. Glatfelter Company 1992 Key Employee Long-Term Incentive
               Plan, as amended April 23, 1997 (incorporated by reference to
               Exhibit A of Registrant's Proxy Statement dated March 14, 1997).

(10)(h)        P. H. Glatfelter Company Deferred Compensation Plan for
               Directors, effective as of April 22, 1998. 

(10)(i)        Loan Agreement, dated February 24, 1997 between P. H. Glatfelter
               Company, as borrower, and GWS Valuch, Inc., as lender
               (incorporated by reference to Exhibit (10)(h) of Registrant's
               Form 10-K for the year ended December 31, 1996).






<PAGE>   53



(10)(j)        Agreement between the State of Wisconsin and Certain
               Companies Concerning the Fox River, dated as of
               January 31, 1997, among P. H. Glatfelter Company, Fort
               Howard Corporation, NCR Corporation, Appleton Papers
               Inc., Riverside Paper Corporation, U.S. Paper Mills,
               Wisconsin Tissue Mills Inc. and the State of Wisconsin
               (incorporated by reference to Exhibit (10)(i) of
               Registrant's Form 10-K for the year ended December 31,
               1996).

(10)(k)        Credit Agreement, dated as of December 22, 1997 among
               P. H. Glatfelter Company, various subsidiary borrowers,
               Bankers Trust Company, as Agent, and various lending
               institutions with Deutsche Bank AG, as Documentation
               Agent, PNC Bank, National Association, as Syndication
               Agent, and First National Bank of Maryland and Wachovia
               Bank, N.A., as Managing Agents (incorporated by
               reference to Exhibit (10)(j) of Registrant's Form 10-K
               for the year ended December 31, 1997).

(21)           Subsidiaries of the Registrant

(23)           Consent of Independent Certified Public Auditors

(27)           Financial Data Schedule





<PAGE>   1
                                                                    Exhibit 3(c)

                                                      As amended by the Board of
                                                      Directors at a meeting
                                                      held March 17, 1999



                            P. H. GLATFELTER COMPANY

                                     BY-LAWS

                                    ARTICLE I

                    MEETINGS OF SHAREHOLDERS AND RECORD DATE

       1.1 ANNUAL MEETING. An annual meeting of shareholders for the election of
directors and the transaction of such other business as may properly come before
the meeting shall be held on the fourth Wednesday in April of each year at 10:00
A.M. If the day fixed for the meeting is a legal holiday, the meeting shall be
held at the same hour on the next succeeding full business day which is not a
legal holiday.

       1.2 SPECIAL MEETINGS. Special meetings of the shareholders may be called
at any time by the Board of Directors, the Chairman of the Board or the
President.

       1.3 PLACE. The annual meeting of shareholders shall be held at the
principal office of the Company. Other meetings of shareholders may be held at
such place in Pennsylvania or elsewhere as the Board of Directors may designate.

       1.4 NOTICE. Written notice stating the place, day and hour of each
meeting of shareholders and, in the case of a special meeting, the general
nature of the business to be transacted shall be given by the Secretary at least
ten days




<PAGE>   2



before the meeting to each shareholder of record entitled to vote
at the meeting.

       1.5 QUORUM. Except as otherwise provided in the Articles of
Incorporation, the presence in person or by proxy of shareholders entitled to
cast at least a majority of the votes which all shareholders are entitled to
cast on a particular matter shall constitute a quorum for the purpose of
considering such matter at a meeting of shareholders, but less than a quorum may
adjourn from time to time to reconvene at such time and place as they may
determine. When a quorum is present, except as may be otherwise specified in the
Articles of Incorporation or provided by law, all matters shall be decided by
the vote of the holders of a majority of the votes entitled to be cast at the
meeting, in person or by proxy.

       1.6 RECORD DATES. The Board of Directors may fix a time not more than
ninety days prior to the date of any meeting of shareholders, or the date fixed
for the payment of any dividend or distribution, or the date for the allotment
of rights, or the date when any change or conversion or exchange of shares will
be made or go into effect, as a record date for the determination of the
shareholders entitled to notice of or to vote at any such meeting, or to receive
payment of any such dividend or distribution, or to receive any such allotment
of rights, or to exercise the rights in respect to any such change, conversion
or exchange of shares. In such case, only such shareholders as shall be
shareholders of record at the close of business on the date so fixed shall be
entitled to notice of or




                                        2

<PAGE>   3



to vote at such meeting, or to receive payment of such dividend or distribution,
or to receive such allotment of rights, or to exercise such rights in respect to
any change, conversion or exchange of shares, as the case may be,
notwithstanding any transfer of any shares on the books of the Company after the
record date so fixed.

                                   ARTICLE II

                                    DIRECTORS

       2.1 NUMBER AND TERM. The Board of Directors shall consist of thirteen
persons, comprising three classes of directors of which two classes shall
consist of four directors each and one class shall consist of five directors. At
each annual meeting of shareholders, the successors to those directors whose
terms expire in that year shall be elected to hold office for a term of three
years each, so that the term of office of one class of directors shall expire in
each year.

       2.2 AGE QUALIFICATION. No person, other than an officer or employee of
the Company, shall be elected or reelected a director after reaching 72 years of
age; provided, however, that at the 1999 annual meeting of shareholders George
H. Glatfelter may be reelected a director for one additional three-year term.
When the term of any director, other than George H. Glatfelter or an officer or
employee of the Company, extends beyond the date when the director reaches 72
years of age, such director shall resign from the Board of Directors effective
at



                                        3

<PAGE>   4



the annual meeting of shareholders next succeeding his 72nd birthday.

       2.3 VACANCIES. In the case of any vacancy in the Board of Directors by
death, resignation or for any other cause, including an increase in the number
of directors, the Board may fill the vacancy by choosing a director to serve
until the next selection of the class for which such director has been chosen
and until his successor has been selected and qualified or until his earlier
death, resignation or removal.

       2.4 ANNUAL MEETING. An annual meeting of the Board of Directors shall be
held each year as soon as practicable after the annual meeting of shareholders,
at the place where such meeting of shareholders was held or at such other place
as the Board of Directors may determine, for the purposes of organization,
election of officers and the transaction of such other business as shall come
before the meeting. No notice of the meeting need be given.

       2.5 REGULAR MEETINGS. Regular meetings of the Board of Directors may be
held without notice at such times and at such places as the Board of Directors
may determine.

       2.6 SPECIAL MEETINGS. Special meetings of the Board of Directors may be
called by the Chairman of the Board, the President or any three or more
directors. Notice of every special meeting shall be given to each director not
later than the second day immediately preceding the day of such meeting in the
case of notice by mail, telegram or courier service, and not later than the day
immediately preceding the day of such meeting



                                        4

<PAGE>   5



in the case of notice delivered personally or by telephone, telex, TWX or
facsimile transmission. Such notice shall state the time and place of the
meeting, but, except as otherwise provided in the by-laws, neither the business
to be transacted at, nor the purpose of, any special meeting of the Board of
Directors need be specified in the notice, or waiver of notice, of such meeting.

       2.7 QUORUM. A majority of the directors in office shall constitute a
quorum for the transaction of business but less than a quorum may adjourn from
time to time to reconvene at such time and place as they may determine.

       2.8 COMPENSATION. Directors shall receive such compensation for their
services as shall be fixed by the Board of Directors.

       2.9 COMMITTEES. The Board of Directors may, by resolution adopted by a
majority of the whole Board, designate one or more committees, each committee to
consist of two or more of the directors of the Company. The Board may designate
one or more directors as alternate members of any Committee, who may replace any
absent or disqualified member at any meeting of the committee. Any such
committee to the extent provided in such resolution shall have and exercise the
authority of the Board of Directors in the management of the business and
affairs of the Company.

       2.10 PARTICIPATION IN MEETINGS BY COMMUNICATIONS EQUIPMENT. One or more
directors may participate in a meeting of the Board of Directors or a committee
of the Board by means of



                                        5

<PAGE>   6



conference telephone or similar communications equipment by means of which all
persons participating in the meeting can hear each other.

       2.11 LIABILITY OF DIRECTORS. A director of the Company shall not be
personally liable for monetary damages for any action taken, or any failure to
take any action, on or after January 27, 1987 unless he has breached or failed
to perform the duties of his office as provided for under Section 1713 of the
Pennsylvania Business Corporation Law of 1988, as amended, and the breach or
failure to perform constitutes self-dealing, willful misconduct or recklessness.
Any repeal, amendment, or modification of this Paragraph shall be prospective
only and shall not increase, but may decrease, the liability of a director with
respect to actions or failures to act occurring prior to such change.

       2.12 OFFICERS. The Board of Directors shall have power to elect or
appoint at any time a Chairman of the Board, a President, one or more Vice
Presidents, a Secretary, a Treasurer, a Comptroller and such other officers as
the Board of Directors may deem advisable. Any two or more offices may be held
by the same person.

       2.13 TERM. Each officer shall hold office until his successor is elected
or appointed and qualified or until his death, resignation or removal by the
Board of Directors.

       2.14 AUTHORITY, DUTIES AND COMPENSATION. All officers shall have such
authority, perform such duties and receive such



                                        6

<PAGE>   7



compensation as may be provided in the by-laws or as may be determined by the
Board of Directors.

       2.15 CHAIRMAN OF THE BOARD. The Chairman of the Board shall preside at
all meetings of the Board of Directors and of the Executive Committee, and in
the absence or disability of the President shall have the authority and perform
the duties of the President.

       2.16 PRESIDENT. The President shall be the chief executive officer of the
Company and shall preside at all meetings of the shareholders and, in the
absence or disability of the Chairman of the Board, of the Executive Committee
of the Board of Directors. He shall be responsible for the general management of
the business, subject to the control of the Board of Directors. In the absence
or disability of the Chairman, or if that office is vacant, the President shall
preside at all meetings of the Board of Directors.

       2.17 VICE PRESIDENTS. In the absence or disability of the President and
Chairman of the Board, the Vice Presidents in the order designated by the Board
of Directors shall have the authority and perform the duties of the President.

       2.18 SECRETARY. The Secretary shall give notice of meetings of the
shareholders, of the Board of Directors and of the Executive Committee, attend
all such meetings and record the proceedings thereof. In the absence or
disability of the Secretary, an Assistant Secretary or any other person
designated by the Board of Directors or the President shall have the authority
and perform the duties of the Secretary.



                                        7

<PAGE>   8



       2.19 TREASURER. The Treasurer shall have charge of the securities of the
Company and the deposit and disbursement of its funds, subject to the control of
the Board of Directors. In the absence or disability of the Treasurer, an
Assistant Treasurer or any other person designated by the Board of Directors or
the President shall have the authority and perform the duties of the Treasurer.

       2.20 COMPTROLLER. The Comptroller shall be the principal accounting
officer and shall keep books recording the business transactions of the Company.
He shall be in charge of the accounts of all of its offices and shall promptly
report and properly record in the books of the Company all relevant data
relating to the Company's business.

                                   ARTICLE III

                                 INDEMNIFICATION

       3.1  INDEMNIFICATION OF DIRECTORS, OFFICERS AND OTHER PERSONS. The 
Company shall indemnify any director or officer of the Company or any of its
subsidiaries who was or is an "authorized representative" of the Company (which
shall mean for the purposes of Paragraphs 3.1. through 3.7, a director or
officer of the Company, or a person serving at the request of the Company as a
director, officer, partner, fiduciary or trustee of another corporation,
partnership, joint venture, trust, employee benefit plan or other enterprise)
and who was or is a "party" (which shall include for purposes of Paragraphs 3.1
through 3.7



                                        8

<PAGE>   9



the giving of testimony or similar involvement) or is threatened to be made a
party to any "proceeding" (which shall mean for purposes of Paragraphs 3.1
through 3.7 any threatened, pending or completed action, suit, appeal or other
proceeding of any nature, whether civil, criminal, administrative or
investigative, whether formal or informal, and whether brought by or in the
right of the Company, its shareholders or otherwise) by reason of the fact that
such person was or is an authorized representative of the Company to the fullest
extent permitted by law, including without limitation indemnification against
expenses (which shall include for purposes of Paragraphs 3.1 through 3.7
attorneys' fees and disbursements), damages, punitive damages, judgments,
penalties, fines and amounts paid in settlement actually and reasonably incurred
by such person in connection with such proceeding unless the act or failure to
act giving rise to the claim is finally determined by a court to have
constituted willful misconduct or recklessness. If an authorized representative
is not entitled to indemnification in respect of a portion of any liabilities to
which such person may be subject, the Company shall nonetheless indemnify such
person to the maximum extent for the remaining portion of the liabilities.

       3.2  ADVANCEMENT OF EXPENSES. The Company shall pay the expenses
(including attorneys' fees and disbursements) actually and reasonably incurred
in defending a proceeding on behalf of any person entitled to indemnification
under Paragraph 3.1 in advance of the final disposition of such proceeding upon
receipt of an undertaking by or on behalf of such person to repay



                                        9

<PAGE>   10



such amount if it shall ultimately be determined that such person is not
entitled to be indemnified by the Company as authorized in Paragraphs 3.1
through 3.7 and may pay such expenses in advance on behalf of any employee or
agent on receipt of a similar undertaking. The financial ability of such
authorized representative to make such repayment shall not be prerequisite to
the making of an advance.

       3.3 EMPLOYEE BENEFIT PLANS. For purposes of Paragraphs 3.1 through 3.7,
the Company shall be deemed to have requested an officer or director to serve as
fiduciary with respect to an employee benefit plan where the performance by such
person of duties to the Company also imposes duties on, or otherwise involves
services by, such person as a fiduciary with respect to the plan; excise taxes
assessed on an authorized representative with respect to any transaction with an
employee benefit plan shall be deemed "fines"; and action taken or omitted by
such person with respect to an employee benefit plan in the performance of
duties for a purpose reasonably believed to be in the interest of the
participants and beneficiaries of the plan shall be deemed to be for a purpose
which is not opposed to the best interests of the Company.

       3.4 SECURITY FOR INDEMNIFICATION OBLIGATIONS. To further effect, satisfy
or secure the indemnification obligations provided herein or otherwise, the
Company may maintain insurance, obtain a letter of credit, act as self-insurer,
create a reserve, trust, escrow, cash collateral or other fund or account, enter
into indemnification agreements, pledge or grant a security



                                       10

<PAGE>   11



interest in any assets or properties of the Company, or use any other mechanism
or arrangement whatsoever in such amounts, at such costs, and upon such other
terms and conditions as the Board of Directors shall deem appropriate.

       3.5  RELIANCE UPON PROVISIONS. Each person who shall act as an authorized
representative of the Company shall be deemed to be doing so in reliance upon
the rights of indemnification provided by these Paragraphs 3.1 through 3.7.

       3.6  AMENDMENT OR REPEAL. All rights of indemnification under Paragraphs
3.1 through 3.7 shall be deemed a contract between the Company and the person
entitled to indemnification under these Paragraphs 3.1 through 3.7 pursuant to
which the Company and each such person intend to be legally bound. Any repeal,
amendment or modification hereof shall be prospective only and shall not limit,
but may expand, any rights or obligations in respect of any proceeding whether
commenced prior to or after such change to the extent such proceeding pertains
to actions or failures to act occurring prior to such change.

       3.7  SCOPE. The indemnification, as authorized by these Paragraphs 3.1
through 3.7, shall not be deemed exclusive of any other rights to which those
seeking indemnification or advancement of expenses may be entitled under any
statute, agreement, vote of shareholders or disinterested directors or
otherwise, both as to action in an official capacity and as to action in any
other capacity while holding such office. The indemnification and advancement of
expenses provided by or



                                       11

<PAGE>   12



granted pursuant to these Paragraphs 3.1 through 3.7 shall continue as to a
person who has ceased to be an officer or director in respect of matters arising
prior to such time, and shall inure to the benefit of the heirs and personal
representatives of such person.

                                   ARTICLE VI

                      STOCK CERTIFICATES AND CORPORATE SEAL

       4.1 EXECUTION. Certificates for shares of capital stock of the Company
shall be signed by the President or a Vice President and by the Secretary, an
Assistant Secretary, the Treasurer or an Assistant Treasurer, but where a
certificate is signed by a transfer agent or a registrar, the signature of any
corporate officer may be a facsimile, engraved or printed. The corporate seal,
which may be a facsimile, engraved or printed, shall appear on each certificate
but need not be attested. In case any officer who has signed or whose facsimile
signature has been placed upon any certificate shall have ceased to be such
officer because of death, resignation or otherwise, before the certificate is
issued, it may be issued by the Company with the same effect as if the officer
had not ceased to be such at the date of its issue. No certificate for shares of
capital stock of the Company shall be issued in place of any certificate alleged
to have been lost, stolen or destroyed, except in such manner and upon such
terms as the Board of Directors shall authorize.



                                       12

<PAGE>   13



       4.2 SEAL. The Company shall have a corporate seal which shall bear the
name of the Company and State and year of its incorporation. The seal shall be
in the custody of the Secretary and may be used by causing it or a facsimile to
be impressed or reproduced upon or affixed to any document.

                                    ARTICLE V

                                     NOTICES

       5.1 FORM OF NOTICE. Whenever written notice is required to be given to
any person by law, the Articles of Incorporation or these by-laws, it may be
given to such person either personally or by telephone or by sending a copy
thereof by first class or express mail, postage prepaid, or by telegram (with
messenger service specified), telex or TWX (with answerback received) or courier
service, charges prepaid, or by facsimile transmission, to the address (or the
telex, TWX or facsimile number) appearing on the books of the Company or, in the
case of a director, to the address supplied by the director to the Company for
the purpose of notice. If the notice is sent by mail, telegraph or courier
service, it shall be deemed to have been given to the person entitled thereto
when deposited in the United States mail or with a telegraph office or courier
service for delivery to that person or, in the case of telex or TWX, when
dispatched or, in the case of facsimile transmission, when received. A notice of
meeting shall specify the place, day and hour of the meeting.



                                       13

<PAGE>   14



       5.2 WAIVER OF NOTICE. Any notice required to be given under these by-laws
may be effectively waived by the person entitled thereto by written waiver
signed before or after the meeting to which such notice would relate or by
attendance at such meeting otherwise than for the purpose of objecting, at the
beginning of the meeting, to the transaction of any business because the meeting
was not lawfully called or convened.

                                   ARTICLE VI

                                   AMENDMENTS

       6.1 AMENDMENTS. These by-laws may be amended or repealed and new by-laws
may be adopted by the affirmative vote of a majority of the directors of the
Company or by the affirmative vote of shareholders entitled to cast a majority
of the votes which all shareholders are entitled to cast at any annual, regular
or special meeting of directors or shareholders, as the case may be; provided,
however, that new by-laws may not be adopted and these by-laws may not be
amended or repealed in any way that limits indemnification rights, increases the
liability of directors or changes the manner or vote required for any such
adoption, amendment or repeal, except by the affirmative vote of the
shareholders entitled to cast at least a majority of the votes which all
shareholders are entitled to cast thereon. In the case of a meeting of
shareholders, written notice shall be given to each shareholder entitled to vote
thereat that the



                                       14

<PAGE>   15



purpose, or one of the purposes, of the meeting is to consider the adoption,
amendment or repeal of the by-laws.

                                   ARTICLE VII

                                EMERGENCY BY-LAWS

       7.1 WHEN OPERATIVE. The emergency by-laws provided by the following
Paragraphs shall be operative during any emergency resulting from warlike damage
or an attack on the United States or any nuclear or atomic disaster,
notwithstanding any different provision in the preceding Paragraphs of the
by-laws or in the Articles of Incorporation of the Company or in the
Pennsylvania Business Corporation Law. To the extent not inconsistent with these
emergency by-laws, the by-laws provided in the preceding Paragraphs shall remain
in effect during such emergency and upon the termination of such emergency the
emergency by-laws shall cease to be operative unless and until another such
emergency shall occur.

       7.2 MEETINGS. During any such emergency:

           (a) Any meeting of the Board of Directors may be called by any
director. Whenever any officer of the Company who is not a director has reason
to believe that no director is available to participate in a meeting, such
officer may call a meeting to be held under the provisions of this Paragraph.

           (b) Notice of each meeting called under the provisions of this
Paragraph shall be given by the person calling the meeting or at his request by
any officer of the Company. The



                                       15

<PAGE>   16



notice shall specify the time and the place of the meeting, which shall be the
head office of the Company at the time if feasible and otherwise any other place
specified in the notice. Notice need be given only to such of the directors as
it may be feasible to reach at the time and may be given by such means as may be
feasible at the time, including publication or radio. If given by mail,
messenger, telephone or telegram, the notice shall be addressed to the director
at his residence or business address or such other place as the person giving
the notice shall deem suitable. In the case of meetings called by an officer who
is not a director, notice shall also be given similarly, to the extent feasible,
to the persons named on the list referred to in part (c) of this Paragraph.
Notice shall be given at least two days before the meeting if feasible in the
judgment of the person giving the notice and otherwise the meeting may be held
on any shorter notice he shall deem suitable.

           (c) At any meeting called under the provisions of this Paragraph, the
director or directors present shall constitute a quorum for the transaction of
business. If no director attends a meeting called by an officer who is not a
director and if there are present at least three of the persons named on a
numbered list of personnel approved by the Board of Directors before the
emergency, those present (but not more than the seven appearing highest in
priority on such list) shall be deemed directors for such meeting and shall
constitute a quorum for the transaction of business.



                                       16

<PAGE>   17



       7.3 LINES OF SUCCESSION. The Board of Directors, during as well as before
any such emergency, may provide, and from time to time modify, lines of
succession in the event that during such an emergency any or all officers or
agents of the Company shall for any reason be rendered incapable of discharging
their duties.

       7.4 OFFICES. The Board of Directors, during as well as before any such
emergency, may, effective in the emergency, change the head office or designate
several alternative head offices or regional offices, or authorize the officers
so to do.

           7.5 LIABILITY. No officer, director or employee acting in accordance
with these emergency by-laws shall be liable except for willful misconduct.

       7.6 REPEAL OR CHANGE. These emergency by-laws shall be subject to repeal
or change by further action of the Board of Directors or by action of the
shareholders, except that no such repeal or change shall modify the provisions
of the next preceding Paragraph with regard to action or inaction prior to the
time of such repeal or change.

                                  ARTICLE VIII

                           PENNSYLVANIA ACT 36 OF 1990

       8.1 FIDUCIARY DUTY. Subsections (a) through (d) of Section 1715 of the
Pennsylvania Business Corporation Law of 1988, as amended, shall not be
applicable to the Company.



                                       17

<PAGE>   18


       8.2 CONTROL-SHARE ACQUISITIONS. Subchapter G of Chapter 25 of the
Pennsylvania Business Corporation Law of 1988, as amended, (relating to
control-share acquisitions), shall not be applicable to the Company.

       8.3 DISGORGEMENT. Subchapter H of Chapter 25 of the Pennsylvania Business
Corporation Law of 1988, as amended, (relating to disgorgement by certain
controlling shareholders following attempts to acquire control), shall not be
applicable to the Company.




                                       18



<PAGE>   1
                                                                   Exhibit 10(a)


                            P. H. Glatfelter Company

                            Management Incentive Plan
                         (Adopted as of January 1, 1994)
               (Amended and Restated Effective December 18, 1997)
                           (Amended December 17, 1998)


1. PURPOSE OF THE PLAN

                  The purpose of the Management Incentive Plan (hereinafter
called the "Plan") is to provide an incentive to greater efforts on the part of
key salaried employees to increase profits of P. H. Glatfelter Company,
hereinafter, together with its subsidiaries, called the "Company".
The underlying objectives of the Plan are as follows:

         (a)      Maximize the annual return on shareholders' equity.

         (b)      Promote and reward management teamwork at both corporate and
                  mill levels.

         (c)      Enable the Company to attract and retain a talented management
                  team.

         (d)      Assure that Plan awards are at rise annually.

         (e)      Reward key mill management personnel on the basis of both mill
                  and corporate financial results.

         (f)      Provide above-average incentive award potential to key
                  salaried employees of the Company whose base salaries are
                  generally below average market rates.

2. PROFIT CENTERS OF THE PLAN

                  In order to accomplish the objectives of the Plan, the
Company, the Company's U.S. operations and each of its U.S. mills shall be
treated as a separate profit center for the purpose of rewarding those
employees, who through the exercise of their responsibilities, are in a position
to have a significant bearing on the success and profitability of their profit
center, and therefore on the profitability of the Company. In addition, a
Glatfelter Paper Group profit center shall represent a combination of the Spring
Grove and Neenah mill profit centers. The profit centers are identified as
follows:
<PAGE>   2
                  Global Profit Center
                  U.S. Corporate Profit Center
                  Glatfelter Paper Group Profit Center
                  Spring Grove Mill Profit Center
                  Neenah Mill Profit Center
                  Ecusta Mill Profit Center

3. AMENDMENT OR TERMINATION OF THE PLAN

                  This Plan is an amendment and restatement of the P. H.
Glatfelter Company Management Incentive Plan and shall continue in force from
year to year until amended, modified or terminated. The Company reserves the
right by action of its Board of Directors or the Compensation Committee thereof
(hereinafter called the "Committee") at any time to amend or modify the Plan in
any respect or to terminate the Plan in its entirety, provided that, if the Plan
is in effect at the beginning of a fiscal year, it may not be terminated or
amended for such year. The Company will seek the approval of the Company's
shareholders for an amendment if such approval is necessary to comply with the
Internal Revenue Code, Federal or state securities law or any other applicable
rules or regulations.

4. ADMINISTRATION OF THE PLAN

                  The management of the Plan shall be vested in the Committee,
which shall be comprised solely of two or more "outside directors" (as defined
in regulations promulgated under Section 162(m) of the Internal Revenue Code).
The majority of the members of the Committee at any time in office shall
constitute a quorum for the transaction of business at any meeting. Any
determination or action of the Committee may be made or taken by a majority of
its members present at any meeting at which a quorum is present or without a
meeting by unanimous written consent executed by all the members then in office.

5. PARTICIPANTS IN THE PLAN

                  (a) The participants in the Plan and the profit center to
which they are assigned for each fiscal year shall be proposed by the Chief
Executive Officer and approved by the Committee on or before the December 31
immediately preceding such fiscal year. In this respect, the action of the
Committee shall be final. Participation is limited to selected management and
highly compensated salaried employees of the Company. Nothing herein contained
shall be construed as giving any salaried employee the right to participate in
the Plan, except after approval by the Committee, and then his participation
shall be subject to all the provisions of the Plan.

                  (b) The criteria that will be considered by the Committee in
approving a participant shall include position responsibilities, organizational
reporting relationship, current salary grade and/or rate, individual performance
expectations, and competitive practices.

                                       2
<PAGE>   3
         (c) If a participant shall transfer from one profit center to another
during the year, his incentive award shall be determined on the basis of the
financial results of each profit center for such fiscal year, prorated based on
service to each profit center during such fiscal year. The participant's salary
grade at the time he is approved by the Committee as a participant in the Plan
for such year shall be such participant's salary grade for purposes of
determining the maximum, target and minimum awards for each profit center.

         (d) If a participant's employment by the Company should terminate
during the fiscal year by reason of his death, retirement or permanent
disability, his incentive award shall be determined on the basis of the
financial results of his profit center for such fiscal year and his base salary
midpoint for such fiscal year, prorated to reflect the period of service prior
to his death, retirement or permanent disability, and shall be paid either to
him or, as appropriate, the beneficiary specifically designated by the
participant on the applicable form, or, if no such specific designation is made,
to such beneficiary as is designated under the Company's Group Life Insurance
Plan. A participant who has been removed from the payroll of the Company during
the fiscal year for any reason, other than his death, retirement or permanent
disability, shall not participate in the Plan for such fiscal year, unless the
Committee, in its sole discretion, determines that he shall so participate. The
decision of the Committee in this regard shall be final.

         (e) In consideration of the payments to be made in accordance with the
provisions of the Plan, the participants may not be participants in the
Company's Conference Group award program.

6. DETERMINATION OF INCENTIVE COMPENSATION AWARDS

         (a) The Plan shall provide incentive awards based on achievement of
specified performance goals. Such performance goals shall be based on certain
measurements of profitability in each of the Company's profit centers.
Initially, such profitability shall be measured by the earnings per share (EPS)
in the case of the Global Profit Center, and by both the EPS for the Company and
the EPS for the Company exclusive of the financial results of Schoeller and
Hoesch and for the Corporate Profit Center, and by both the EPS of the Company
and the return on average capital employed (ROCE) for the applicable mill profit
center. In the case of the Glatfelter Paper Group, the financial results of the
Spring Grove and Neenah mill profit centers will be combined for purposes of
calculating return on average capital employed. The determination of profit
center profitability shall be based on the audited consolidated financial
statements of the Company and on the Company's internal financial statements for
Schoeller and Hoesch and for each mill after the audit adjustments have been
applied.

         (b) The amount of an individual's award shall be based on a percentage
of such individual's base salary midpoint for the salary grade approved for him
by the Committee. If such salary midpoints are revised at any time during a
fiscal year, the Committee will revise the midpoints applicable to such year.
The incentive award as a percentage of base salary

                                       3
<PAGE>   4
midpoint will vary based on the applicable EPS and ROCE levels achieved for the
Plan Year. In no event may the incentive award paid to any participant for any
plan year exceed $1,000,000.

         (c) The EPS and ROCE factors are a measure of profitability and will be
established in the operating rules for each profit center, adopted annually by
the Committee in accordance with Paragraph 9. The incentive award shall equal
the base salary midpoint multiplied by the Incentive Award Factor which will
vary in relationship to the actual EPS and ROCE levels achieved for the year.

         (d) The Committee may, from time to time, establish performance goals
based on business criteria other than EPS and ROCE, such as stock price, return
on assets, earnings, earnings per share, total shareholder return, sales or
costs.

7. PAYMENT OF INDIVIDUAL INCENTIVE AWARDS

         (a) Each year after the Committee has approved the participants in the
Plan for the following year in accordance with Paragraph 5(a), each participant
shall make an election by February 1 of such following year to receive his
incentive award in cash or to defer the receipt of 25%, 50%, 75% or 100% of the
award to a future period, specifying irrevocably the timing of the future
payment(s) in accordance with the deferred options established by the Committee.
The amount of deferred awards shall be adjusted at the end of each calendar
quarter by crediting the cumulative deferred awards with interest for the
quarter based on the prime rate of interest on the last business day of the
quarter at Morgan Guaranty Trust Company of New York (or such comparable rate as
is determined by the Committee if such prime rate is unavailable or, if in the
opinion of the Committee it no longer reflects the rate of interest on such
bank's demand loans to its most credit-worthy customers). The interest credit
shall be earned from the date when the award would have been paid if not
deferred and shall be compounded on the accumulated award and accrued interest.
Should a deferred award be paid during a quarter, interest on the amount of such
payment shall be accrued at the rate used for the immediately preceding quarter.

         (b) Cash incentive awards shall be paid annually as promptly as
practicable after the Company's certified public accountants have completed
their examination of the Company's year-end consolidated financial statements
and the Committee has certified that the applicable performance goals have been
met.

         (c) Deferred incentive awards shall be paid on the first Monday in
April of each year pursuant to a participant's election to defer receipt of his
award. In the event a participant who has deferred an award determines that he
has a financial hardship which necessitates the acceleration of the payment of
the deferred award, he shall submit his request to release the funds to the
Committee which shall consider the circumstances and, in its sole discretion,
determine whether the request shall be approved.

         (d) If a participant separates from the Company before age 55, or after
age 55 without being vested under the terms of the Company's Retirement Plan for
Salaried Employees, 

                                       4
<PAGE>   5
including the Supplemental Executive Retirement Plan (collectively, the "Pension
Plans"), such participant will receive the unpaid amount of his cumulative
deferred award(s) in a lump sum within 30 days of his separation date or, at the
sole discretion and option of the Committee, as stipulated on his election form.
If such participant separates after age 55 and is vested under the terms of the
Company's Pension Plans, his deferred award(s) will be paid as stipulated on his
election form(s). If a participant should die before his deferred award(s) has
been completely paid out, the unpaid amount will be paid in a lump sum to his
designated beneficiary, as designated under the Company's Group Life Insurance
Plan, on a timely basis after his death.

8. MANAGEMENT INCENTIVE PLAN ADJUSTMENT SUPPLEMENT

                  The Company will supplement the basic monthly pension payable
under the Company's Pension Plans, with respect to an employee who is a
participant in the Plan and elected to defer incentive awards in accordance with
Paragraph 7 of the Plan, as provided in the Plan of Supplemental Retirement
Benefits for the Management Committee.

9. MANAGEMENT INCENTIVE PLAN OPERATING RULES

                  On or prior to December 31 immediately preceding each fiscal
year, the Committee shall adopt operating rules for each of the profit centers
for such fiscal year to be based on the operating budget for such fiscal year
and estimated financial results for the then current fiscal year, both as
presented at the December Board of Directors' meeting. These operating rules
will establish maximum, target and minimum Incentive Award Factors for each
salary grade and the corresponding maximum, target and minimum rates of return
on average shareholders' equity and rates of return on average capital employed
for each of the individual profit centers based on historical and anticipated
rates of return for the profit centers (or maximum, target and minimum goals
based on such other business criteria as the Committee may establish pursuant to
Paragraph 6(d)), and such other administrative and procedural rules which the
Committee considers appropriate.

10. DEFINITIONS

                  For the purpose of determining the incentive awards under the
Plan, the following definitions shall apply:

         (a) Earnings per share (EPS) shall mean basic earnings per share as
reported for the applicable period in the Company's consolidated financial
statements. EPS for all the profit centers other than the Global Profit Center
shall be determined exclusive of the financial results of Schoeller and Hoesch.

         (b) Incentive Income shall mean income before income taxes as reported
for the fiscal year in the Company's audited consolidated financial
statements...

                                       5
<PAGE>   6
                           i)       before provision is made for the amounts
                                    paid or payable under the Plan, the
                                    Employees' Profit Sharing Plans, and the
                                    Spring Grove Conference Group award program,
                                    and

                           ii)      after such adjustment, if any, as shall be
                                    made to exclude, to the extent that the
                                    Committee in its sole discretion may
                                    determine, the whole or any part of any item
                                    which is both unusual in nature and
                                    infrequent in occurrence.

                  (c) Average Shareholders' Equity shall mean the average of the
shareholders' equity as reported in each of the Company's monthly internal
financial statements during the fiscal year.

                  (d) The "Incentive Award Factor" shall be the percentage of
base salary midpoint for each salary grade corresponding to the maximum, target
and minimum performance goals established for the Global, U.S. corporate, mill,
and the paper group profit centers in the operating rules.

                  (e) Return on Capital Employed (ROCE) shall mean Operating
Profit divided by Average Capital Employed. ROCE shall be based on the Company's
internal financial reports for each of the Spring Grove, Neenah, and Ecusta
mills after the year-end audit adjustments by the Company's independent
certified public accountants have been applied to the accounting records and
related reports. In the case of the Spring Grove mill profit center, the Return
on Capital Employed shall be based on the consolidated financial reports for the
Spring Grove mill and The Glatfelter Pulp Wood Company. In the case of the
Glatfelter Paper Group profit center, the Return on Capital Employed shall be
based on the consolidated financial reports for the Spring Grove mill, The
Glatfelter Pulp Wood Company, and the Neenah mill.

                  (f) Operating Profit shall mean operating profit as reported
for the fiscal year in the Company's internal financial statements by mill and
for The Glatfelter Pulp Wood Company. . .

                           i)       before provision is made for the amounts
                                    paid or payable under the Plan, the
                                    Employees' Profit Sharing Plans, and the
                                    Spring Grove Conference Group award program,
                                    and

                           ii)      after such adjustment, if any, as shall be
                                    made to exclude, to the extent that the
                                    Committee in its sole discretion may
                                    determine, the whole or any part of any item
                                    which is both unusual in nature and
                                    infrequent in occurrence.

                  (g) Average Capital Employed shall mean the sum of the average
of inventories and net property, plant, and equipment as shown in the Company's
monthly internal financial statements by mill and for The Glatfelter Pulp Wood
Company during the fiscal year.

                                       6
<PAGE>   7
                  (h) Retirement shall mean voluntary separation from service by
a participant who has achieved an age whereby he is eligible for and has elected
to receive early retirement under the Company's Pension Plans.

                  (i) Disability shall mean a disability due to any medically
determinable physical or mental impairment that prevents a participant from
fulfilling the duties that such participant was performing at the time of the
occurrence of such disability and which can be expected to result in death or
which has lasted or can be expected to last for a continuous period of more than
twelve months, as determined by the Committee in its sole discretion.

11. RIGHTS NOT TRANSFERABLE

                  Rights to incentive cash awards and deferred incentive awards
are not transferable by a participant except upon the death of the participant
by operation of will or the laws of intestacy.

12. FUNDING

                  The Plan is not funded. All awards that are not received in
cash shall remain as part of the general assets of the Company and shall not be
deemed held in trust for the benefit of the participant.

13. WITHHOLDING OF APPLICABLE TAXES

                  The Company shall have the right to withhold amounts from
incentive cash awards and deferred incentive awards as shall be required to be
withheld by the Company pursuant to any statute or other governmental regulation
or ruling.

14. CONCLUSION

                  The interpretation of the Plan or any provision thereof or the
operating rules made by the Committee shall be binding upon both the Company and
every participant in the Plan. While it is the intention of the Company to
provide a fair and reasonable basis for the determination of incentive
compensation awards and the selection of the participants, the Plan is not an
employment contract between the Company and the salaried employees or any
participants and shall not constitute an agreement by the Company to continue
any participant in its employ for any period of time notwithstanding that the
termination of the employment of a participant during a fiscal year will
preclude an incentive award to such participant for such year.


                                       7

<PAGE>   1
                                                                   Exhibit 10(c)







                            P. H. GLATFELTER COMPANY


                     SUPPLEMENTAL EXECUTIVE RETIREMENT PLAN


                 (Amended and Restated Effective April 23, 1998)

<PAGE>   2

                                TABLE OF CONTENTS
<TABLE>
<CAPTION>
                                                                                 PAGE
<S>                                                                              <C>
ARTICLE I             PURPOSE ................................................... 1

ARTICLE II            DEFINITIONS ............................................... 2

ARTICLE III           ELIGIBILITY FOR AND FORFEITURE OF PLAN 
                      PARTICIPATION ............................................. 5

ARTICLE IV            RESTORATION PENSION ....................................... 6

ARTICLE V             FINAL AVERAGE COMPENSATION PENSION ........................ 9

ARTICLE VI            FUNDING .................................................. 11

ARTICLE VII           ADMINISTRATION ........................................... 12

ARTICLE VIII          AMENDMENT AND TERMINATION ................................ 13

ARTICLE IX            MISCELLANEOUS ............................................ 14
</TABLE>


<PAGE>   3

                             P.H. GLATFELTER COMPANY
                     SUPPLEMENTAL EXECUTIVE RETIREMENT PLAN
                 (AMENDED AND RESTATED EFFECTIVE APRIL 23, 1998)

                                    ARTICLE I

                                     PURPOSE

          1.1. Purpose. The Plan was originally established, effective January
1, 1988, for the purpose of providing certain officers or senior management
employees of P.H. Glatfelter Company (the "Company") with benefits which would
otherwise be provided under the Company's qualified defined benefit retirement
plan (now known as the P.H. Glatfelter Company Retirement Plan for Salaried
Employees ("Retirement Plan")) but for reductions or restrictions to such
benefits required by Federal law. Effective as of April 23, 1998, the Plan is
amended and restated in its entirety.

          As restated the Plan consists of two benefits. The first benefit,
known as the "Restoration Pension", provides an additional pension benefit based
on the Participant's pension benefit earned under the terms of the Retirement
Plan, which is intended to restore that portion of the Retirement Plan's benefit
which cannot be paid from that plan due to legal limitations on the compensation
and total benefits payable thereunder.

          The second benefit, known as the "Final Average Compensation Pension"
or "FAC Pension", pays a monthly pension benefit equal to a designated
percentage of the participant's Final Average Compensation (as defined herein),
offset by the actuarially equivalent value of the Participant's benefits under
the Retirement Plan and certain Company-sponsored nonqualified defined benefit
pension arrangements, including (if applicable) the Restoration Pension.

          It is intended that this Plan will satisfy the requirements of an
unfunded "top hat" deferred compensation plan as described in sections 201(2),
301(a)(3) and 401(a)(1) of ERISA. Consequently, participation shall be limited
to individuals who, in the determination of the Committee, are management
employees or who are highly compensated employees for purposes of the foregoing
provisions of ERISA.


<PAGE>   4

                                   ARTICLE II

                                  DEFINITIONS

          2.1. "Accrued Benefit" means, as of any applicable date of reference,
the amount of the Participant's Restoration Pension or Final Average
Compensation Pension, as the case may be, which has been earned to such date
payable (in the case of the Restoration Pension) in the normal form of annuity
payment commencing as of his normal retirement date under the terms of the
Retirement Plan or (in the case of the FAC Pension) in the form of the Joint and
75% Surviving Spouse's Annuity commencing as of his Normal Retirement Date (or,
in each case, immediately if the Participant has passed his normal retirement
date and is still an Employee), and calculated in accordance with Article IV or
Article V, as the case may be. In determining a Participant's Accrued Benefit as
of a particular date, his compensation and/or service credit earned after such
date shall not be taken into account.

          2.2. "Benefit Commencement Date" means, for any Participant, the date
as of which his initial benefit payment is due. "Benefit Commencement Date" also
means, with respect to the Participant's Spouse, the date on which the
Survivor's Benefit under Section 5.5 commences to the Spouse.

          2.3. "Benefit Years" means, subject to Section 5.4, the Participant's
Benefit Years as that term is defined for purposes of the Retirement Plan;
provided, however, that if the Participant had become a covered employee under
the Retirement Plan by reason of transfer from hourly-paid service with the
Company or an affiliate on or after January 1, 1992, Benefit Years shall also be
credited with respect to his service as an hourly employee prior to such
transfer.

          2.4. "Board" means the Board of Directors of P.H. Glatfelter Company.

          2.5. "Change in Control" means the occurrence of any of the following
events, directly or indirectly or in one or more series of transactions: 2.6.
The Company enters into an agreement of reorganization, merger or consolidation
pursuant to which it is not the surviving company, 2.7. the Company sells
substantially all its assets, or (c) in excess of 51% of the issued and
outstanding shares of the Common Stock of the Company is acquired by a single
purchaser or a group of related purchasers, other than a purchaser or a group of
purchasers who are descendants of, or entities controlled by descendants of,
P.H. Glatfelter, in any case other than in a transaction in which the surviving
corporation or the purchaser is the Company or a majority-owned subsidiary of
the Company.



                                       2
<PAGE>   5

          2.6 "Code" means the Internal Revenue Code of 1986, as amended.

          2.7 "Committee" means the Compensation Committee of the Company's
Board of Directors.

          2.8 "Company" means the P.H. Glatfelter Company.

          2.9 "Compensation" means, with respect to each calendar month included
as part of a Participant's Final Average Compensation, the sum of (a) his base
compensation for such month and (b) that portion of his annual incentive and
profit sharing earnings which is attributable to the Participant's performance
of services during such month, as determined by the Committee.

          2.10 "Confidential Information" means information which is not
generally known to the public, which is used, developed, or obtained by the
Company (or its affiliates) relating to its business and the businesses of its
clients or customers including, without limitation: products or services; fees,
costs and pricing structures; marketing information; advertising and pricing
strategies; analyses and reports; computer software including operating systems,
applications and program listings; flow charts; manuals and documentation;
databases; accounting and business methods; inventions and new developments and
methods, whether patentable or unpatentable and whether or not reduced to
practice; all copyrightable works; the Company's existing and prospective
clients and customers and their confidential information; existing and
prospective client and customer lists and other data related thereto; billing
and payment records; and all similar and related information in whatever form.

          2.11 "Disability" means a disabling illness or injury which causes the
Participant to be absent from work and during which the Participant receives
payments under the Company's long-term disability plan.

          2.12 "Early Retirement Date" means the first day of the month
coincident with or next following the Participant's attainment of age 55 and
retirement from employment with the Company and all affiliates; provided that
such date shall not be later than his Normal Retirement Date.

          2.13 "Employee" means an officer or senior management employee of the
Company.

          2.14 "ERISA" means the Employee Retirement Income Security Act of
1974, as amended.

          2.15 "Final Average Compensation" means, with respect to the Final
Average Compensation Pension for any Participant, the annualized average of the
Participant's Compensation for the 


                                       3
<PAGE>   6

sixty (60) calendar months immediately preceding his retirement, as determined
by the Committee. In determining a Participant's Final Average Compensation, the
Committee may estimate the Participant's incentive and/or profit sharing
earnings with respect to his final year or partial year of employment. In such
event, after the Participant's actual Compensation is known, the amount of the
Participant's monthly FAC Pension shall be adjusted to reflect such actual
Compensation at such time and in such manner as the Committee deems appropriate.

          2.16 "Final Average Compensation Pension" or "FAC Pension" means the
pension benefit described in Article V of this Plan.

          2.17 "Joint and 75% Surviving Spouse's Annuity" means, with respect
to the Final Average Compensation Pension, a joint and survivor annuity with the
Participant's Spouse, with monthly installments payable to the Participant for
his lifetime in the amount determined under Section 5.1, 5.2, 5.3 or 5.4, as
applicable, and with seventy-five percent (75%) of the amount of such monthly
installment payable after the death of the Participant to the Spouse of such
Participant, if then living, for the life of such surviving Spouse.

          2.18 "Normal Retirement Date" means the first day of the month
coincident with or next following the Participant's attainment of age 62,
provided that he has retired from employment with the Company and all
affiliates.

          2.19 "MIP" means the Company's Management Incentive Plan, as it may
be amended from time to time.

          2.20 "Participant" means an Employee selected by the Committee for
participation in the Plan.

          2.21 "Plan" means the P.H. Glatfelter Company Supplemental Executive
Retirement Plan.

          2.22 "Retirement Plan" means the P.H. Glatfelter Company Retirement
Plan for Salaried Employees, as it may be amended from time to time.

          2.23 "Restoration Pension" means the pension benefit described in
Article IV of this Plan.

          2.24 "Spouse" means the individual, if any, to whom the Participant
is legally married on the Participant's Benefit Commencement Date, or, with
respect to the Survivor's Benefit under Section 5.5, on the date of the
Participant's death.

          2.25 "Trust" means the trust under the Trust Agreement executed
January 12, 1990 between the Company and Provident 



                                       4
<PAGE>   7

National Bank as Trustee, or any successor "rabbi" trust agreement conforming to
the requirements described at Section 6.1(b), as may be adopted by the Company
to hold the assets used to pay Plan benefits.

                                   ARTICLE III

              ELIGIBILITY FOR AND FORFEITURE OF PLAN PARTICIPATION

          3.1. Designation of Participant. An Employee shall become a
Participant in this Plan if selected for participation by the Committee, in its
sole and absolute discretion. The Committee shall designate whether a
Participant is eligible for the Final Average Compensation Pension and/or the
Restoration Pension. Notwithstanding the foregoing, (a) unless specifically
designated by the Committee as eligible for the FAC Pension, a Participant shall
be eligible only for the Restoration Pension, and (b) no Employee shall be
designated as eligible for the FAC Pension who is also eligible for the
Company's Supplemental Management Pension Plan (part of the Plan of Supplemental
Retirement Benefits for the Management Committee).

          3.2. Cessation of Participation; Termination of Benefit Accruals. (a)
A Participant shall cease to be a Participant and shall forfeit the right to his
Accrued Benefit under the Plan if, prior to the time he attains age 55, he
voluntarily terminates employment with the Company and all affiliates other than
by reason of Disability or death.

            (b) The Committee shall have the right, in its sole and absolute
discretion, to terminate the accrual of benefits for a Participant at any time
prior to his Benefit Commencement Date; provided however, that such termination
of benefit accruals shall be prospective only and shall not affect the right of
such Participant, subject to the application of subsections 3.2(a), (c) and (d),
to receive a Restoration Pension or FAC Pension, as the case may be, based on
his Accrued Benefit determined as of the date benefit accruals are terminated.

            (c) If a Participant who is receiving, or may be entitled to
receive, a benefit hereunder should, without the prior consent of the Committee,
(1) become an employee, officer or a director of a competitor of the Company, or
(2) use or disclose Confidential Information (except as required in the
performance of the Participant's duties with the Company), then payments
thereafter payable hereunder to such Participant or such Participant's
beneficiary will be forfeited and neither the Company nor the Plan will have any
further obligation hereunder to such Participant or his beneficiary. The
Committee in its sole and absolute discretion shall determine if another entity
or person is a "competitor" for purposes of this subsection.



                                       5
<PAGE>   8

            (d) Except as provided in Section 3.3, the Committee shall have
broad, sole and absolute discretion under Section 3.1 and subsections (b) and
(c) hereof, including but not limited to determining who will become a
Participant in the Plan, when participation in the Plan commences and ceases and
when benefits accruals commence or terminate.

          3.3. Change in Control. Notwithstanding anything to the contrary
contained in this Article III or any other portion of the Plan, when a Change in
Control occurs, the right to receive benefits under this Plan for each Employee
who is a Participant in the Plan on the date such change occurs shall become
fixed and nonforfeitable with respect to his Accrued Benefit on such date, and
shall not be subsequently divested. All discretion of the Committee regarding
the forfeiture or termination of a Participant's participation or benefits as
provided under Section 3.2 shall be eliminated upon such Change in Control, and
the Applicable Percentage of each Participant's Final Average Compensation
Pension (see Section 5.1(b)) shall be fixed at fifty-five percent (55%). Also,
within five (5) days following such Change in Control the Company shall fund the
Trust with sufficient assets to pay the Accrued Benefits of all Participants
under the Plan.

                                   ARTICLE IV

                               RESTORATION PENSION

          4.1. Amount of Restoration Pension. A Participant's Restoration
Pension shall be equal to:

          (a) (1) except as provided under paragraph (2), the benefit that would
have been payable to the Participant under the Retirement Plan calculated

                   (A) on the basis of his compensation and final average
compensation (each as defined in the Retirement Plan but including for any
period that portion of the Participant's incentive award under the MIP which he
has elected to defer in accordance with paragraph 7 of the MIP (or any
successor)) determined without regard to the limit on annual compensation under
section 401(a)(17) of the Code, and

                   (B) without regard to any applicable maximum benefit
limitation under section 415 of the Code;

              (2) with respect to any Participant who was a participant in the
Pension Plan of P.H. Glatfelter Company and The Glatfelter Pulp Wood Company
(the "Spring Grove Plan") which plan was merged into the Retirement Plan, whose
benefit under such plan is determined under the "Modified Grandfathered Accrued



                                       6
<PAGE>   9

Benefit" for 1970 Spring Grove participants, as defined in the Spring Grove
Plan, the benefit that would have been payable to the Participant under the
Spring Grove Plan as in effect as of December 31, 1988 calculated

                   (A) on the basis of base earnings and final average excess
earnings (each as defined in the Retirement Plan but including, with respect to
the determination of the Participant's excess earnings for any period, that
portion of the Participant's incentive award under the MIP which he has elected
to defer in accordance with paragraph 7 of the MIP (or any successor))
determined without regard to the limit on annual compensation under section
401(a)(17) of the Code and

                   (B) without regard to any applicable maximum benefit
limitation under section 415 of the Code; reduced by

          (b) the benefit payable to the Participant under the Retirement Plan;

both determined as of the date the Restoration Pension will commence in
accordance with Section 4.2 and with respect to the form of payments elected by
Participant in accordance with Section 4.3 of the Plan, based on the actuarial
assumptions used to calculate actuarial equivalences or the reduction factors
for early commencement of benefits, as applicable, under the Retirement Plan.

          4.2. Payment of Restoration Pension. The Restoration Pension shall be
paid to a Participant in accordance with Section 4.3 within thirty (30) days
following the later of (a) his retirement or other separation from service with
the Company and all affiliates or (b) the termination of benefits under the
Supplemental Management Pension Plan; provided, however, that if the Participant
separates from service before age 65, such amount shall be paid in accordance
with 4.3 within thirty (30) days following such later specified time, but at or
before his attainment of age 65, as the Participant may have elected at the time
the Participant first became a Participant.

          4.3. Form of Payments. (a) At the time a Participant first becomes a
Participant he shall elect whether the Restoration Pension shall be paid in a
single sum (equal to its present value determined in accordance with subsection
4.3(c)) or in any other form of distribution permitted under the Retirement
Plan. The Company shall pay the Participant his Restoration Pension in the
manner he has elected; provided, however, that the Company in its sole
discretion may pay the Restoration Pension in a single sum distribution as soon
as practicable after the Participant's separation from service if the present
value of his Restoration Pension is not more than $20,000 at the time the
Participant separates from service; provided further, that a 



                                       7
<PAGE>   10

Participant who has elected a form of payment that includes a survivor annuity,
and who is not married as of his Benefit Commencement Date or who ceases to be
married within one year after such date, will receive (or will thereafter
receive, as the case may be) his Restoration Pension in the form of a single
life annuity.

                 (b) If a Participant fails to elect a form of payment and the
present value of his Restoration Pension exceeds $20,000, his Restoration
Pension will be paid in the form of (1) a joint and 50% survivor annuity if he
is married on his Benefit Commencement Date or (2) a single life annuity if he
is unmarried on such date; provided, however, that a Participant receiving a
joint and 50% survivor annuity who ceases to be married within one year after
his Benefit Commencement Date will thereafter receive his Restoration Pension in
the form of a single life annuity.

                 (c) The present value of a Participant's Restoration Pension
payable in a single sum in accordance with this Section 4.3 shall be determined
by the Committee according to the actuarial assumptions used at such time by the
Plan's actuary for valuing the Plan's benefits for financial accounting and
disclosure purposes.

          4.4. Death. In the event that an Employee designated as a Participant
with respect to the Restoration Pension should die before the Benefit
Commencement Date thereof and is survived by his Spouse, the Spouse shall
receive a Death Benefit in the same form and at the same time that any death
benefit is paid to the surviving Spouse under the Retirement Plan. The amount of
any Death Benefit under this Section 4.4 shall be

               (a) the amount which would have been payable to the surviving
Spouse under the Retirement Plan calculated on the basis of the Participant's
compensation and final average compensation (or, if applicable, base earnings
and final average excess earnings), as defined in the Retirement Plan subject to
the modifications described in Section 4.1 of this Plan, determined without
regard to the annual limit on compensation under section 401(a)(17) of the Code
and without regard to any applicable maximum benefit limitation under section
415 of the Code, reduced by

               (b) the amount payable to the surviving Spouse under the
Retirement Plan



                                       8
<PAGE>   11

                                   ARTICLE V

                       FINAL AVERAGE COMPENSATION PENSION

          5.1. Amount of Final Average Compensation Pension.

          (a) The annual amount of a Participant's Final Average Compensation
Pension, payable to the Participant on a monthly basis beginning as of his
Normal Retirement Date, shall be equal to

                 (1) the Applicable Percentage (not to exceed fifty-five percent
(55%)) of the Participant's Final Average Compensation, reduced by

                 (2) the Offset Amount.

          (b) For purposes of the foregoing, a Participant's "Applicable
Percentage" shall be fifty-five percent (55%) multiplied by a fraction, not to
exceed 1, the denominator of which is 27.5 and the numerator of which is the
Participant's Benefit Years determined as of his Benefit Commencement Date.
Notwithstanding the foregoing, upon the happening of a Change in Control, the
Participant's Applicable Percentage shall be fifty-five percent (55%) without
regard to his Benefit Years at such time.

          (c) For purposes of the foregoing, a Participant's "Offset Amount"
means the sum of (1) the annual amount of the Participant's pension payable from
the Retirement Plan, plus (2) the annual amount, if any, of the Participant's
pension payable from any other qualified or nonqualified defined benefit pension
plan or arrangement sponsored by the Company or any affiliate, including without
limitation the Restoration Pension and/or the Company's qualified defined
benefit plan for hourly employees. The Offset Amount shall be determined by
assuming that each benefit under each plan or arrangement which comprises the
Offset Amount is paid beginning at the same time as the Final Average
Compensation Pension and in the form of a joint and 75% survivor annuity with
the Participant's Spouse, and shall be valued by using the actuarial assumptions
used to calculate actuarial equivalences or the reduction factors for early
commencement, as applicable, under such plan or arrangement, if any, or
otherwise under the Retirement Plan. If the Participant has no Spouse, the
Offset Amount payable in the form of a joint and 75% survivor annuity shall be
determined by assuming the Participant had a spouse of the same age.

          5.2. Early Retirement. A Participant who retires from employment with
the Company and all affiliates on or after attaining age 55 but prior to age 62
will receive a Final Average Compensation Pension beginning as of his Early
Retirement Date. 



                                       9
<PAGE>   12

The amount of the Participant's FAC Pension shall be equal to the amount
described at subsection 5.1(a)(l), determined as of his Early Retirement Date
but reduced by 2.5% for each year (0.208% for each month) by which his Early
Retirement Date precedes his Normal Retirement Date, reduced by the
Participant's Offset Amount.

          5.3. Late Retirement. A Participant who retires from employment with
the Company and all affiliates after his Normal Retirement Date will receive a
Final Average Compensation Pension beginning as of the first day of the calendar
month coincident with or next following the month in which he retires. Such
pension shall be determined in accordance with Section 5.1 taking into account
all Benefit Years earned up until his Benefit Commencement Date.

          5.4. Disability. In the event an Employee designated as a Participant
with respect to the Final Average Compensation Pension suffers a Disability
prior to his Normal Retirement Date, he shall be eligible to begin to receive
his FAC Pension beginning as of his Normal Retirement Date. The Participant may
make a written request to the Committee or its delegate to begin to receive his
FAC Pension as of his Early Retirement Date, provided he has retired from
employment with the Company and all affiliates and is no longer eligible for
long-term disability payments. Such written request must be received by the
Committee at least 60 days prior to the Participant's intended Benefit
Commencement Date and is subject to the approval of the Committee (or its
delegate) in its sole discretion. The amount of the Participant's FAC Pension
shall be calculated on the basis of his Final Average Compensation determined on
the date his Disability commenced, and actual and projected Benefit Years
following the onset of his Disability until the first to occur of (a) the
cessation of his Disability (including by reason of a determination that he is
no longer eligible for payments under the Company's long-term disability plan)
or (b) his Benefit Commencement Date. If the Participant's Benefit Commencement
Date precedes his Normal Retirement Date, the amount of his FAC Pension shall be
reduced to reflect its early commencement in accordance with Section 5.2.

          5.5. Survivor's Benefit. 5.6. In the event that an Employee designated
as a Participant with respect to the Final Average Compensation Pension should
die before his Benefit Commencement Date and is survived by his Spouse, the
Spouse shall receive a Survivor's Benefit. The Survivor's Benefit shall be a
monthly pension for life and shall begin as of the first day of the month
following the month of the Participant's death, provided the Committee is given
timely notice of the Participant's death.



                                       10
<PAGE>   13
              (b) The Survivor's Benefit shall be the benefit the Spouse
would have received if the Participant (1) had separated from service on the
date of his death (if he is then an Employee), (2) had survived to the Benefit
Commencement Date determined under paragraph (a) above, (3) had then begun to
receive an immediate FAC Pension in the form of a Joint and 75% Surviving
Spouse's Annuity and (4) died on the following day. If the Survivor's Benefit
begins to be paid before what would have been the Participant's Normal
Retirement Date, the amount of the Final Average Compensation Pension on which
the Survivor's Benefit is based shall be reduced as set forth in Section 5.2 to
reflect its early commencement, but such reduction shall not take into account
any period of time before what would have been the Participant's 55th birthday.

          5.6 Form of Benefit. 5.6.3. Except as provided in subsections (b) or
(c), the only form of benefit payable under this Plan with respect to the Final
Average Compensation Pension shall be the Joint and 75% Surviving Spouse's
Annuity (or, in the case of the Survivor's Benefit under Section 5.5, a single
life annuity based on the survivor portion of a Joint and 75% Surviving Spouse's
Annuity.) If the Participant is not married as of his Benefit Commencement Date,
his monthly pension benefit will end as of the month in which his death occurs,
and will not be adjusted to reflect that there is no survivor benefit payable.

              (b) The Participant may make a written request to the Committee or
its delegate to receive payment of the present value of his FAC Pension in a
single sum. Such written request must be received by the Committee at least 60
days prior to the Participant's termination of employment and is subject to the
approval of the Committee in its sole and absolute discretion.

              (c) The Committee may in its sole discretion pay the present value
of a Participant's FAC Pension in a single sum as soon as practicable following
the Participant's termination of employment if such present value is not more
than $20,000 at the time the Participant terminates employment.

              (d) For purposes of subsections (b) and (c) above, the present
value of a Participant's FAC Pension, as of any date of reference, shall be
determined by the Committee according to the actuarial assumptions used at such
time by the Plan's actuary for valuing the Plan's benefits for financial
accounting and disclosure purposes.



                                       11
<PAGE>   14

                                   ARTICLE VI

                                     FUNDING

          6.1 Source of Funding. 8. This Plan shall be unfunded, and payment of
benefits hereunder shall be made from the general assets of the Company. Any
such asset which may be set aside, earmarked or identified as being intended for
the provision of benefits hereunder shall remain an asset of the Company and
shall be subject to the claims of its general creditors. Each Participant shall
be a general creditor of the Company to the extent of the value of his or her
benefit accrued hereunder, but he shall have no right, title, or interest in any
specific asset that the Company may set aside or designate as intended to be
applied to the payment of benefits under this Plan.

              (b) Notwithstanding the foregoing, the Company may, in its
discretion, establish an irrevocable grantor trust for the purpose of funding
all or part of its obligations under this Plan; provided however, that the terms
of such trust require that the assets thereof remain subject to the claims of
the Company's judgment creditors in the event of bankruptcy or insolvency and
are non-assignable and non-alienable by any Participant or beneficiary prior to
distribution thereof, and that such terms otherwise comply with such other
requirements as the Internal Revenue Service may prescribe so that the assets
placed in such trust, and the income therefrom, do not constitute income to any
participant or beneficiary until actual receipt thereof.

                                   ARTICLE VII

                                 ADMINISTRATION

          7.1 Administration by Committee. This Plan shall be administered by
the Committee, which shall be responsible for the general administration of the
Plan under the policy guidance of the Board. The Committee is hereby designated
as the Plan's named fiduciary, as defined in ERISA.

          7.2 Duties and Powers of Committee. In addition to the duties and
powers described elsewhere hereunder, the Committee shall have the following
specific duties and powers:

              (a) to retain such consultants, accounts, attorneys, and actuaries
as may be deemed necessary or desirable to render statements, reports, and
advice with respect to the



                                       12
<PAGE>   15

Plan and to assist the Committee in complying with all applicable rules and
regulations affecting the Plan; any consultants, accountants, attorneys, and
actuaries may be the same as those retained by the Company;

              (b) to decide appeals under this Article;

              (c) to enact rules and regulations to carry out the provisions of
the Plan;

              (d) to resolve questions or disputes relating to eligibility for
benefits or the amount of benefits under the Plan;

              (e) to construe and interpret the provisions of the Plan and
supply any omissions in accordance with the intent of the Plan;

              (f) to decide all questions of eligibility for benefits under the
Plan, to determine the amount, manner and time of payment of any benefits
hereunder, and to authorize the payment of benefits;

              (g) to evaluate administrative procedures; and

              (h) to delegate such duties and powers as the Committee shall
determine from time to time to any person or persons. To the extent of any such
delegation, the delegate shall have the duties, powers, authority and discretion
of the Committee.

          Any determinations made by the Committee pursuant to this Article
shall be conclusive and binding on all parties. The Committee shall have sole
discretion in carrying out its responsibilities.

          The expenses incurred by the Committee in connection with the
operation of the Plan, including, but not limited to, the expenses incurred by
reason of the engagement of professional assistants and consultants, shall be
paid by the Company and shall not affect the Participants' right to or amount of
benefits.

          7.3 Records. The Committee shall keep or cause to be kept records of
all proceedings and actions, shall maintain all such books of account, records,
and other data as shall be necessary for the proper administration of the Plan.

          7.4 Claims for Benefits.



                                       13
<PAGE>   16

              (a) If the Participant or the Participant's beneficiary
(hereinafter referred to as the "Claimant") is denied all or a portion of any
expected benefit under this Plan for any reason, he may file a claim with the
Committee. The Committee shall notify the Claimant within ninety (90) days of
receipt of the claim of allowance or denial of the claim, unless the claimant
receives written notice from the Committee prior to the end of the 90-day period
stating the special circumstances requiring an extension of time for decision
and the date by which a final decision shall be made. If a decision is not
provided within 90 days, the claim is deemed denied, and the Claimant may
proceed to request a review of the claim as described in subsection (b) below.
The notice of a denial of benefits shall be in writing, sent by mail to
Claimant's last known address, and shall contain the following information: the
specific reasons for the denial; specific reference to pertinent provisions of
the Plan on which the denial is based; if applicable, a description of any
additional information or material necessary to perfect the claim and an
explanation of why such information or material is necessary; and explanation of
the review procedure.

              (b) A Claimant is entitled to request a review of any denial of
his claim by the Committee. The request for review must be submitted to the
Committee in writing within sixty days of mailing and notice of the denial.
Absent a request for review within the sixty day period, the claim will be
deemed to be conclusively denied.

              (c) The Claimant or his representative shall be entitled to review
all pertinent documents and to submit issues and comments in writing. The
Committee in its sole discretion may afford the Claimant a hearing. The
Committee shall render a review decision in writing within sixty days after
receipt of a request for a review, provided that, in special circumstances (such
as to hold a hearing) the Committee may extend the time for decision by not more
than sixty days upon written notice to the Claimant. The Claimant shall receive
written notice of the Committee's decision, which shall contain specific reasons
for the decision with reference to the pertinent provisions of the Plan.

              (d) The filing of litigation against the Company, the Committee or
any of its agents concerning the granting or denial of Plan benefits will be
deemed a waiver of all rights under the Plan.



                                       14
<PAGE>   17

                                  ARTICLE VIII

                            AMENDMENT AND TERMINATION

          8.1 Amendment and Termination. The Company reserves the right to amend
this Plan at any time and from time to time in any fashion, and to terminate it
at will; provided however, that no such amendment or termination may result in
the reduction of the Accrued Benefit of any Participant as of the date of such
amendment or termination.

                                   ARTICLE IX

                                  MISCELLANEOUS

          9.1 Nonalienation of Benefits. Except as hereinafter provided with
respect to marital disputes, none of the benefits or rights of a Participant or
any beneficiary of a Participant shall be subject to the claim of any creditor,
and in particular, to the fullest extent permitted by law, all such benefits and
rights shall be free from attachment, garnishment or any other legal or
equitable process available to any creditor of the Participant or the
beneficiary. Neither the Participant nor his Spouse shall have the right to
alienate, anticipate, commute, pledge, encumber, or assign any of the benefits
or payments which either of them may expect to receive, contingently or
otherwise, under this Plan. In cases of marital dispute, the Company will
observe the terms of the Plan unless and until ordered to do otherwise by a
state or Federal court. As a condition of participation, a Participant agrees to
hold the Company harmless from any claim that may arise out of the Company's
compliance with an order of any state or Federal court, whether such order
effects a judgment of such court or is issued to enforce a judgment or order of
another court.

          9.2 No Contract of Employment. Nothing contained herein shall be
construed as conferring upon any person the right to be employed or continue in
the employ of the Company.

          9.3 Applicable Law. This Plan shall be governed and construed in
accordance with the laws of the Commonwealth of Pennsylvania.

          9.4 Gender and Number. Except where otherwise indicated by the
context, any masculine terminology used herein shall also include the feminine
and vice versa, and the 



                                       15
<PAGE>   18

definition of any term herein in the singular shall also indicate the plural,
and vice versa.

          9.5 Additional Benefits. In addition to the benefits provided under
the other provisions of this Plan, any benefits authorized by the Company's
Board for employees who are members of a select group of management or highly
compensated employees which are not payable under the terms of any other Plan
maintained by the Company shall be paid under this Plan at the times and in the
manner authorized by the Board.

          IN WITNESS WHEREOF, the P.H. Glatfelter Company has caused this Plan,
as amended and restated effective April 23, 1998, to be executed this 8th day of
May, 1998.


ATTEST:                                        P.H. GLATFELTER COMPANY

/s/ Robert S. Wood                             By: /s/ Robert P. Newcomer
- -------------------------                          ----------------------------


[Corporate Seal]






                                       16


<PAGE>   1
                                                                   Exhibit 10(f)

                             P.H. GLATFELTER COMPANY
                      SUPPLEMENTAL MANAGEMENT PENSION PLAN
             (formerly the Plan of Supplemental Retirement Benefits
                          for the Management Committee)

INTRODUCTION

          The P.H. Glatfelter Company ("the Company") hereby establishes,
effective as of April 23, 1998, the P.H. Glatfelter Company Supplemental
Management Pension Plan (the "Plan") to provide certain supplemental retirement
benefits to management employees of the Company who do not participate in the
Company's Supplemental Executive Retirement Plan (the "SERP"), which was amended
and restated in its entirety effective as of April 23, 1998. This Plan replaces
the Plan of Supplemental Retirement Benefits for the Management Committee.

          The Plan consists of two benefits. The first benefit is the
"Management Incentive Plan Adjustment Supplement" as contemplated by Section 8
of the Company's Management Incentive Plan adopted as of January 1, 1994 and
amended and restated effective December 18, 1997. This benefit is intended to
supplement the basic monthly retirement pension payable under the tax-qualified
P.H. Glatfelter Company Retirement Plan for Salaried Employees (the "Retirement
Plan"), to compensate for the fact that incentive awards under the Management
Incentive Plan which a management employee elects to defer in accordance
therewith are not included as part of his compensation taken into account in
determining his Retirement Plan benefit.

          The second benefit is a 3-year Early Retirement Supplement which may
be provided to certain management employees who elect to retire early, and who
are not eligible to receive the Final Average Compensation Pension under the
SERP.

          The Plan will be administered by the Employee Benefits Committee of
the Company's Board of Directors (the "Committee"), except for the
determinations contemplated by Section 3 of this Plan, which shall be made the
Compensation Committee of the Company's Board of Directors (the "Compensation
Committee").


<PAGE>   2

          It is intended that the Plan will satisfy the requirements of an
unfunded "top hat" deferred compensation plan as described in sections 201(2),
301(a)(3) and 401(a)(1) of ERISA. Consequently, participation shall be limited
to individuals who, in the determination of the Committee, are management
employees or who are highly compensated employees for purposes of the foregoing
provisions of ERISA.

          The Company therefore adopts the following Supplemental Management
Pension Plan effective as of April 23, 1998:



     1.   Management Incentive Plan Adjustment Supplement

          (a) Subject to the following sentence and Section 3, each management
employee of the Company or The Glatfelter Pulp Wood Company who is a participant
in the Company's Management Incentive Plan, as adopted as of January 1, 1994 and
amended and restated December 18, 1997, or any successor (the "MIP"), shall be
eligible to receive the Management Incentive Plan (MIP) Adjustment Supplement in
accordance with this Section 1. Notwithstanding the foregoing, no management
employee shall be eligible for the MIP Adjustment Supplement who is also a
participant in the P.H. Glatfelter Company Supplemental Executive Retirement
Plan, as amended and restated April 23, 1998 (the "SERP").

          (b) The Company (or The Glatfelter Pulp Wood Company with respect to
employees thereof) will supplement the basic monthly retirement pension payable
under the P.H. Glatfelter Company Retirement Plan for Salaried Employees (the
"Retirement Plan") with respect to an eligible management employee who retires
or terminates employment with the Company and all affiliates with an early,
normal, late, or deferred vested retirement pension ("Retirement Pension") from
the Retirement Plan (a "Participant" or "Management Participant"). Subject to
subsection (c) in the case of a Participant who terminates employment with a
deferred vested Retirement Pension, the amount of the Supplement shall be equal
to the difference, if any, between the basic monthly Retirement Pension payable
with respect to him under the Retirement Plan and the basic monthly Retirement
Pension which would have been payable under the Retirement Plan if the
Participant's compensation or earnings taken into account 



                                       2
<PAGE>   3

in determining his Retirement Pension had not been reduced by incentive awards
under the MIP, or any successor, which were deferred at his election in
accordance with paragraph 7(a) of the MIP, or any similar successor provision or
plan.

          (c) In the case of a Participant who terminates employment with the
Company and all affiliates on or after April 23, 1998 entitled to a deferred
vested pension benefit from the Retirement Plan (but not an early, normal or
late retirement pension), there shall not be taken into account in determining
the amount of his MIP Adjustment Supplement any incentive awards earned with
respect to service on or after January 1, 1999 which are deferred at his
election in accordance with the MIP or any similar successor plan.

          (d) The MIP Adjustment Supplement shall be paid, beginning at the same
time and over the same period as the payment of benefits to the Participant from
the Retirement Plan, as elected by the Participant with respect to the
Retirement Plan. If the Participant's Retirement Pension is paid other than in
the form of a single life annuity payable beginning at normal retirement date
(each as provided under the terms of the Retirement Plan), the amount of the MIP
Adjustment Supplement will be paid in the same form, adjusted in accordance with
the actuarial assumptions used under the Retirement Plan to calculate actuarial
equivalences or the reduction factors for early commencement, as applicable,
with respect to the Participant's Retirement Pension.

          (e) In the event that a management employee eligible for the MIP
Adjustment Supplement should be selected to participate in the SERP, no MIP
Adjustment Supplement shall be paid to him and his supplemental deferred
compensation benefits shall be paid exclusively from the SERP.

     2.   Early Retirement Supplement.

          (a) Subject to the following sentence and Section 3, (1) each employee
eligible to participate, as of April 23, 1998, with respect to the Early
Retirement Supplement under the Plan of Supplemental Retirement Benefits for the
Management Committee and (2) each other management employee who is assigned, as
of April 23, 1998 or thereafter, to the Global Profit Center or the U.S.



                                       3
<PAGE>   4

Corporate Profit Center of the Company, in accordance with the procedures
described in the MIP (a "Participant" or "Early Retirement Participant") shall
be eligible to receive the Early Retirement Supplement in accordance with this
Section 2. Notwithstanding the foregoing, no employee shall be eligible for the
Early Retirement Supplement if he is also eligible for the Final Average
Compensation Pension described in Article V of the SERP, or similar successor
provision.

          (b) The Company will pay a monthly Early Retirement Supplement to an
Early Retirement Participant who retires from employment with the Company and
all affiliates on or after age 55 but prior to his normal retirement date under
the Retirement Plan ("Normal Retirement Date"), and who elects, under rules as
may be prescribed by the Committee, to defer commencement of his monthly pension
benefit under the Retirement Plan to the earlier of the first day of the
thirty-sixth month following his retirement or his Normal Retirement Date (the
"Deferred Commencement Date").

          (c) The amount of the monthly Early Retirement Supplement shall equal:

              (1) if the Early Retirement Participant is not eligible for the
Restoration Pension described in Article IV of the SERP, or similar successor
provision ("Restoration Pension"), the monthly pension amount to which he would
be entitled under the Retirement Plan beginning on the Deferred Commencement
Date; or

              (2) if the Early Retirement Participant is eligible for the
Restoration Pension under the SERP, the sum of the monthly pension amounts to
which he would be entitled under the Retirement Plan and the Restoration Pension
beginning on the Deferred Commencement Date; if his pension or pensions as
aforesaid were paid in the form of a single life annuity in accordance with the
terms of the Retirement Plan.

          (d) Payment of the Early Retirement Supplement shall begin on the
first day of the month coincident with or next following the Participant's early
retirement and shall terminate on the day ("Termination Date") which is the
earlier of the first day of the month preceding his Normal Retirement Date or
the date of the thirty-sixth monthly payment of this Supplement. If the
Participant dies before the Termination Date, payments shall cease, unless he is
legally married on the date his Early Retirement 


                                       4
<PAGE>   5

Supplement began to be paid and he is survived by such spouse. In that event,
such surviving spouse will receive monthly payments in the amount described in
the following sentence, beginning as of the month following the month in which
the Participant's death occurred and ending as of the first to occur of (i) the
first day of the calendar month in which the spouse dies, or (ii) the
Termination Date. The amount of the monthly payments to the surviving spouse
shall be equal to the monthly amount that would be payable to her following the
Participant's death if the Early Retirement Supplement were determined under
subsection (c) based on the Participant's Retirement Pension and (if applicable)
Restoration Pension payable in the form of a joint and 50%, 66 , 75% or 100%
surviving spouse's annuity under the terms of the Retirement Plan, as elected by
the Participant with respect to his benefit from the Retirement Plan (or if the
Participant has made no such election, as a joint and 100% surviving spouse's
annuity).

          (e) Notwithstanding the foregoing, if any Early Retirement Participant
or his surviving spouse elects to have monthly benefit payments under the
Retirement Plan begin before the Termination Date, all payments under the Early
Retirement Supplement shall cease as of the first day of the month preceding the
month in which such benefit payments begin.

     3.   Forfeiture of Benefit.

          (a) Notwithstanding any provision to the contrary herein, if a
Participant who is receiving, or may be entitled to receive, the MIP Adjustment
Supplement and/or the Early Retirement Supplement should, without the prior
consent of the Compensation Committee or its delegate, (1) become an employee,
officer or a director of a competitor of the Company, or (2) use or disclose
Confidential Information (except as required in the performance of the
Participant's duties with the Company), then payments thereafter payable
hereunder to such Participant or such Participant's beneficiary will be
forfeited and neither the Company nor the Plan will have any further obligation
hereunder to such Participant or his beneficiary. The Compensation Committee (or
its delegate) in its sole and absolute discretion shall determine if another
entity or person is a "competitor" for purposes of this subsection, or 


                                       5
<PAGE>   6

if a Participant has used or disclosed Confidential Information which would
cause the forfeiture of his benefit.

          (b) For purposes of the foregoing, "Confidential Information" means
information which is not generally known to the public, which is used,
developed, or obtained by the Company (or its affiliates) relating to its
business and the businesses of its clients or customers including, without
limitation: products or services; fees, costs and pricing structures; marketing
information; advertising and pricing strategies; analyses and reports; computer
software including operating systems, applications and program listings; flow
charts; manuals and documentation; databases; accounting and business methods;
inventions and new developments and methods, whether patentable or unpatentable
and whether or not reduced to practice; all copyrightable works; the Company's
existing and prospective clients and customers and their confidential
information; existing and prospective client and customer lists and other data
related thereto; billing and payment records; and all similar and related
information in whatever form.

     4. Source of Funds. This Plan shall be unfunded, and payment of benefits
hereunder shall be made from the general assets of the Company or The Glatfelter
Pulp Wood Company, as applicable, who employs the Participant (the "Employing
Company"). Any such asset which may be set aside, earmarked or identified as
being intended for the provision of benefits hereunder shall remain an asset of
the Employing Company and shall be subject to the claims of its general
creditors. Each Participant entitled to benefits under this Plan shall be a
general creditor of the Employing Company to the extent of the value of his
benefit accrued hereunder, but he shall have no right, title, or interest in any
specific asset that the Employing Company may set aside or designate as intended
to be applied to the payment of benefits under this Plan.

     5. Amendment and Termination. The Company reserves the right to amend
this Plan at any time and from time to time in any fashion, and to terminate it
at will; provided, however, that no such amendment or termination shall, with
respect to any Participant who has satisfied the eligibility 



                                       6
<PAGE>   7

requirements for the MIP Adjustment Supplement and/or Early Retirement
Supplement, as applicable, as of the date of such amendment or termination,
reduce or eliminate such benefit to the extent accrued based on the
Participant's compensation and/or service determined as of the date of amendment
or termination, subject to the terms and conditions set forth herein.

     6. Nonalienation of Benefits. Except as hereinafter provided with respect
to marital disputes, none of the benefits or rights of a Management Participant
or Early Retirement Participant, or any beneficiary thereof, shall be subject to
the claim of any creditor, and in particular, to the fullest extent permitted by
law, all such benefits and rights shall be free from attachment, garnishment or
any other legal or equitable process available to any creditor of the
Participant or beneficiary thereof. Neither the Participant nor his beneficiary
shall have the right to alienate, anticipate, commute, pledge, encumber, or
assign any of the benefits or payments which either of them may expect to
receive, contingently or otherwise, under this Plan. In cases of marital
dispute, the Company will observe the terms of the Plan unless and until ordered
to do otherwise by a state or Federal court. As a condition of participation,
each employee agrees to hold the Company and his employing company, if
different, harmless from any claim that may arise out of the Company's
compliance with an order of any state or Federal court, whether such order
effects a judgment of such court or is issued to enforce a judgment or order of
another court.

     7.   Administration.

          (a) This Plan shall be administered by the Committee, which shall be
responsible for the construction and interpretation of the Plan and
establishment of the rules and regulations governing Plan administration, under
the policy guidance of the Company's Board of Directors.

          (b) In addition to the duties and powers described elsewhere
hereunder, the Committee shall have the following specific duties and powers:

                 (1) to retain such consultants, accountants, attorneys and
actuaries as may be deemed necessary or desirable to render statements, reports,
and advice with respect to the Plan and to assist the Committee in complying
with all applicable rules and regulations affecting the Plan; any consultants,
accountants, attorneys and actuaries may be the same as those retained by the
Company;



                                       7
<PAGE>   8

                 (2) to decide all questions of eligibility for benefits under
the Plan, to determine the amount, manner and time of payment of any benefits
hereunder, to authorize the payment of benefits, and to resolve all questions or
disputes regarding claims for benefits, including appeals under this Article.

                 (3) to delegate such duties and powers as the Committee shall
determine from time to time to any person or persons. To the extent of any such
delegation, the delegate shall have the duties, powers, authority and discretion
of the Committee.

          All determinations made by the Committee pursuant to this Article
shall be conclusive and binding on all parties entitled to or claiming benefits
hereunder. The Committee shall have sole discretion in carrying out its
responsibilities.

          The expenses incurred by the Committee in connection with the
operation of the Plan, including, but not limited to, the expenses incurred by
reason of the engagement of professional assistants and consultants, shall be
paid by the Company and shall not affect the Participants' right to or amount of
benefits.

          (c) the Committee shall keep or cause to be kept records of all
proceedings and actions, and shall maintain all such books of account, records,
and other data as shall be necessary for the proper administrator of the Plan.

          (d) (1) If the Participant or the Participant's beneficiary
(hereinafter referred to as the "Claimant") is denied all or a portion of any
expected benefit under this Plan for any reason, he may file a claim with the
Committee. The Committee shall notify the Claimant within ninety (90) days of
receipt of the claim of allowance or denial of the claim, unless the claimant
receives written notice from the Committee prior to the end of the 90-day period
stating the special circumstances requiring an extension of time for decision
and the date by which a final decision shall be made. If a decision is not
provided within 90 days, the claim is deemed denied, and the Claimant may
proceed to request a review of the claim as described in paragraph (2) below.
The notice of a denial of benefits shall be in writing, sent by mail to
Claimant's last known address, and shall contain the following information: the
specific reasons 


                                       8
<PAGE>   9

for the denial; specific reference to pertinent provisions of the Plan on which
the denial is based; if applicable, a description of any additional information
or material necessary to perfect the claim and an explanation of why such
information or material is necessary; and explanation of the review procedure.

          (2) A Claimant is entitled to request a review of any denial of his
claim by the Committee. The request for review must be submitted to the
Committee in writing within sixty days of mailing and notice of the denial.
Absent a request for review within the sixty day period, the claim will be
deemed to be conclusively denied.

          (3) The Claimant or his representative shall be entitled to review all
pertinent documents and to submit issues and comments in writing. The Committee
in its sole discretion may afford the Claimant a hearing. The Committee shall
render a review decision in writing within sixty days after receipt of a request
for a review, provided that, in special circumstances (such as to hold a
hearing) the Committee may extend the time for decision by not more than sixty
days upon written notice to the Claimant. The Claimant shall receive written
notice of the Committee's decision, which shall contain specific reasons for the
decision with reference to the pertinent provisions of the Plan.

          (4) The filing of litigation against the Company the Committee or any
of its agents concerning the granting or denial of Plan benefits will be deemed
a waiver of all rights under the Plan.

     7.   No Contract of Employment. Nothing contained herein shall be
construed as conferring upon any person the right to be employed or continue in
the employ of the Company or any affiliate company.

          8. Applicable Law. This Plan shall be construed under the laws of the
Commonwealth of Pennsylvania.



                                       9
<PAGE>   10

          IN WITNESS WHEREOF, the P.H. Glatfelter Company has caused this Plan
to be executed this 15th day of May, 1998.


ATTEST:                                      P.H. GLATFELTER COMPANY

/s/ Robert S. Wood                           By: /s/ Robert P. Newcomer
- ---------------------------                     ------------------------------
[Corporate Seal]






                                       10

<PAGE>   1
                                                                   Exhibit 10(h)

                             P.H. GLATFELTER COMPANY


                    DEFERRED COMPENSATION PLAN FOR DIRECTORS
                           (Effective April 22, 1998)


                                    ARTICLE I
                                  INTRODUCTION

                  This Deferred Compensation Plan is established by P.H.
Glatfelter Company (the "Company") for the benefit of its Directors and their
Beneficiaries and it shall be maintained according to the terms set forth
herein.


                                   ARTICLE II
                                   DEFINITIONS

                  2.1 DEFINITIONS. When used herein, the following words and
phrases shall have the meanings assigned to them, unless the context clearly
indicates otherwise:

                           (a) BENEFICIARY means the person or persons, natural
or otherwise, designated by a Director under Section 7.1 hereof to receive any
death benefit payable under Section 5.3 hereof.

                           (b) BOARD OF DIRECTORS means the board of directors
of the Company, as it may be constituted from time to time.

                           (c) CHANGE OF CONTROL means the occurrence of any one
of the following: (i) the Company enters into an agreement of reorganization,
merger or consolidation pursuant to which it is not the surviving corporation,
(ii) the Company sells substantially all its assets, or (iii) in excess of 51%
of the issued and outstanding shares of the Company's Common Stock is acquired
by a single purchaser or group of related purchasers, other than a purchaser or
group of purchasers who are descendants of, or entities controlled by
descendants of, P.H. Glatfelter, in any case other than in a transaction in
which the surviving corporation or the purchaser is the Company or a
majority-owned subsidiary of the Company.

                           (d) COMPANY means P. H. Glatfelter Company, a
Pennsylvania corporation.

                           (e) COMPENSATION COMMITTEE means the Compensation
Committee of the Board of Directors.
<PAGE>   2
                           (f) DEFERRED FEE ACCOUNT means an account established
by the Company in the name of a Director. The Company shall credit each
Director's Deferred Fee Account with Stock Units for any Director's Fees that
are deferred by the Director under Section 3.1 hereof and any additional Stock
Units that are credited by the Company under Article IV hereof. The Company
shall debit from each Director's Deferred Fee Account payments made from it
under Article V hereof.

                           (g) DEFERRED FEE AGREEMENT means the written
agreement between the Company and a Director that, together with this Plan,
governs the Director's rights to payment of his deferred Director's Fees under
this Plan.

                           (h) DIRECTOR means a member of the Board of Directors
who is not also an employee of the Company or any of its subsidiaries or
affiliates.

                           (i) DIRECTOR'S FEES means the annual retainer paid to
a Director for serving on the Board of Directors, but does not include any fees
paid to a Director for attending meetings of the Board of Directors or any
committee of the Board of Directors or for serving as chairman of a committee of
the Board of Directors.

                           (j) FAIR MARKET VALUE of the Company's Common Stock
means, on any given day, the average of the high and low sales prices of a share
of Common Stock on such day as reported on the American Stock Exchange.

                           (k) FINANCIAL HARDSHIP means the financial inability
of a Director, as determined by the Compensation Committee, to provide the
necessary funds (1) to meet any extraordinary expenses incurred on account of
accident, sickness or disability affecting the Director or any member of his
family, (2) to provide educational opportunities above the high school level for
any member of his family, (3) to finance the purchase of a principal residence
for the Director or to make a required payment to prevent foreclosure of a
mortgage on the Director's principal residence, or (4) for any other significant
personal need that the Compensation Committee in its sole discretion may
determine in a uniform and consistent manner.

                           (l) PLAN means the P. H. Glatfelter Company Deferred
Compensation Plan for Directors set forth herein, as amended by the Company from
time to time.

                           (m) STOCK UNITS means phantom shares of the Company's
Common Stock.

                                       2
<PAGE>   3
                                   ARTICLE III
                           DEFERRAL OF DIRECTOR'S FEES

                  3.1      ELECTION TO DEFER FEES.

                           For the initial calendar year of the Plan, the
election to defer Director's Fees earned on and after May 1, 1998 shall be made
during the thirty-day period prior to such date. Before the beginning of any
subsequent calendar year, a Director may elect to defer 50%, 75% or 100% of his
Director's Fees to be earned in that year and following years. For a new
Director, the election to defer Director's Fees earned during his initial
calendar year of service shall be made within thirty days following the
Director's election or appointment. Any election to defer shall continue in
effect for subsequent calendar years unless modified or revoked in accordance
with Section 3.3 hereof. Any election to defer shall be irrevocable once the
period to which it relates begins.

                  3.2 CREDITING TO DEFERRED FEE ACCOUNTS.

                           The Company shall credit the Director's Deferred Fee
Account with Stock Units as of the day such deferred Director's Fees would have
been paid to the Director were they not deferred under the Plan. The number of
Stock Units credited to a Director's Deferred Fee Account shall be the quotient
of (1) the amount of deferred Director's Fees divided by (2) the Fair Market
Value of the Company's Common Stock on such date.

                  3.3 MODIFICATION OR REVOCATION OF DEFERRAL. A Director may, on
a prospective basis for future calendar years, change the percentage of
Director's Fees to be deferred by executing a new Deferred Fee Agreement or
revoke his election to defer Director's Fees by a written revocation to the
Secretary of the Company, but no Deferred Fee Agreement or revocation of an
election to defer Director's Fees shall be effective for the calendar year in
which it is executed.


                                   ARTICLE IV
                                    DIVIDENDS

                  4.1 DIVIDEND REINVESTMENT. Additional Stock Units shall be
credited to each Director's Deferred Fee Account as of each payment date for
dividends on the Company's Common Stock, in an amount determined pursuant to
Section 4.2 hereof, based on the number of Stock Units credited to the
Director's Deferred Fee Account on the record date for such dividends.
Additional Stock Units shall be credited for each record date that a Director
has any amount credited to his Deferred Fee Account under the Plan.

                  4.2 NUMBER OF DIVIDEND REINVESTMENT SHARES. The number of
additional Stock Units credited to a Director's Deferred Fee Account as of any
dividend payment date shall be the quotient of (1) the product of the number of
Stock Units credited to the

                                       3
<PAGE>   4
Director's Deferred Fee Account on the dividend record date for such dividend
and the dividend per share on the Company's Common Stock divided by (2) the Fair
Market Value of the Company's Common Stock on the dividend payment date.


                                    ARTICLE V
                            PAYMENT OF DEFERRED FEES

                  5.1 DEFERRED FEES AND INTEREST. A Director shall be entitled
to receive a cash payment equal to the amount credited to his Deferred Fee
Account following termination of his service as a Director.

                  5.2 PAYMENT. At the election of a Director, the amount
credited to his Deferred Fee Account shall be paid (1) in a lump sum within 30
days following termination of his service as a Director or (2) in five annual
installments, as follows: 1/5 of the amount credited to his Deferred Fee Account
within 30 days following termination of his service as a Director, 1/4 of the
amount credited to his Deferred Fee Account within 30 days following the first
anniversary of the termination of his service as a Director, 1/3 of the amount
credited to his Deferred Fee Account within 30 days following the second
anniversary of the termination of his service as a Director, 1/2 of the amount
credited to his Deferred Fee Account within 30 days following the third
anniversary of the termination of his service as a Director, and the balance in
his Deferred Fee Account within 30 days following the fourth anniversary of the
termination of his service as a Director. Each Director shall make such election
on an individual Deferred Fee Agreement in the form of Exhibit A attached
hereto. Amounts credited to a Director's Deferred Fee Account shall be credited
with additional Stock Units as determined under Article IV during the
installment payout period.

                  5.3 DEATH OF A DIRECTOR. If a Director dies with any amount
credited to his Deferred Fee Account, then his Beneficiary shall be entitled to
receive the entire amount in a lump sum. Such payment shall be made as soon as
practicable after the Director's death.

                  5.4 CHANGE OF CONTROL. In the event of a Change of Control,
the Plan shall terminate and the Director shall receive, in a lump sum payment
(regardless of whether the Director has elected lump sum or installment payments
pursuant to Section 5.2 hereof), the entire amount then credited to his Deferred
Fee Account.



                                       4
<PAGE>   5
                                   ARTICLE VI
                              HARDSHIP WITHDRAWALS

                  6.1      WITHDRAWALS FROM DEFERRED FEE ACCOUNT.

                           (a) Neither the Director, his Beneficiary, nor any
other individual or entity shall have any right to make any withdrawals from the
Director's Deferred Fee Account or to alter any installment payments provided
under this Agreement.

                           (b) Notwithstanding Section 6.1(a) hereof, a Director
shall, in the discretion of the Company, be entitled to withdraw 25%, 50%, 75%
or 100% of the amount credited to his Deferred Fee Account in the event of
Financial Hardship.


                                   ARTICLE VII
                                  BENEFICIARIES

                  7.1 DESIGNATION OF BENEFICIARY. Each Director may designate
from time to time any person or persons, natural otherwise, as his Beneficiary
or Beneficiaries to whom benefits under Section 5.3 hereof are to be paid if he
dies while entitled to benefits. Each Beneficiary designation shall be made
either in the Deferred Fee Agreement or on a form prescribed by the Secretary of
the Company and shall be effective only when filed with the Secretary during the
Director's lifetime. Each Beneficiary designation filed with the Secretary shall
revoke all Beneficiary designations previously made by the Director. The
revocation of a Beneficiary designation shall not require the consent of any
designated Beneficiary.


                                  ARTICLE VIII
                                 ADMINISTRATION

                  8.1 RIGHT TO TERMINATE. The Board of Directors may amend or
terminate the Plan at any time in whole or in part with respect to Director's
Fees not yet earned. No amendment or termination of the Plan shall reduce the
amount credited to a Director's Deferred Fee Account, the amount owed to him by
the Company as of the date of amendment or termination, or the number of Stock
Units to be credited to his Deferred Fee Account.

                  8.2 NO FUNDING OBLIGATION. The obligation of the Company to
pay any benefits under this Plan shall be unfunded and unsecured and any
payments under this Plan shall be made from the general assets of the Company.
The Company, however, in its discretion, may set aside assets or purchase
annuity or life insurance contracts to discharge all or part of its obligations
under this Plan. The assets set aside or the annuity or life insurance contracts
shall remain in the name of the Company and it is intended that no trust is to
be created by setting aside the assets or purchasing annuity or life insurance
contracts. A Director's rights under the Plan may not be voluntarily or
involuntarily assigned or transferred, other than by will or by the

                                        5
<PAGE>   6
laws of descent and distribution, and shall not be subject in any manner to
attachment or other legal process for the debts of the Director. The Director's
rights hereunder are exercisable during his lifetime only by him, or by his
guardian or legal representative. The Director shall be a general creditor of
the Company with respect to the obligations established under this Plan.

                  8.3 APPLICABLE LAW. This Plan shall be construed and enforced
in accordance with the laws of the Commonwealth of Pennsylvania, except to the
extent superseded by federal law.

                  8.4 ADMINISTRATION AND INTERPRETATION. The Compensation
Committee, shall have the authority and responsibility to administer and
interpret this Plan. Benefits due and owing to a Director or Beneficiary under
the Plan shall be paid when due without any requirement that a claim for
benefits be filed. However, any Director or Beneficiary who has not received the
benefits to which he believes himself entitled may file a written claim with the
Compensation Committee, which shall act on the claim within thirty days, and
such action on any such claims shall be conclusive and binding on all interested
parties.


                                        6

<PAGE>   1
                                                                      Exhibit 21


                              LIST OF SUBSIDIARIES

<TABLE>
<CAPTION>
                                                                   State or Country
                                                                   of Incorporation
                                                                   ----------------
        <S>                                                           <C>
        Balo-I Industrial, Inc.                                       Philippines
        Ecusta Australia Pty. Limited                                 Australia
        Ecusta Export Trading Corp.                                   Barbados
        Ecusta Fibres Ltd.                                            Canada
        Glatfelter Investments, Inc.                                  Delaware
        Glatfelter of Nevada, Inc.                                    Nevada
        Glenn-Wolfe, Inc.                                             Delaware
        Mollanvick, Inc.                                              Delaware
        Newtech Pulp Inc.                                             Philippines
        Papcel-Kiew                                                   Ukraine
        Papcel-Papier und Cellulose,                                  Germany
           Technologie und Handels-GmbH
        Papeteries de Cascadec S.A.*                                  France
        Papierfabrik Schoeller & Hoesch                               Germany
           Auslandsbeteiligungen GmbH
        Papierfabrik Schoeller & Hoesch                               Germany
           GmbH & Co. KG
        PHG Tea Leaves, Inc.                                          Delaware
        PHG Verwaltungsgesellschaft mbH                               Germany
        S&H Verwaltungsgesellschaft mbH                               Germany
        Schoeller & Hoesch N.A., Inc.                                 Delaware
        Schoeller & Hoesch S.A.R.L.                                   France
        Spring Grove Water Company                                    Pennsylvania
        The Glatfelter Pulp Wood Company                              Maryland
        Unicon-Papier-und Kunststoffhandels GmbH                      Germany
</TABLE>

- ------------
*   50% owned subsidiary.






<PAGE>   1



                                                                      Exhibit 23

INDEPENDENT AUDITORS' CONSENT

P. H. Glatfelter Company:

We consent to the incorporation by reference in the Registration Statements of
P. H. Glatfelter Company on Form S-8 (Registration Nos. 33-25884, 33-37198,
33-49660, 33-53338, 33-54409, 33-62331, 333-12089, 333-26587, 333-34797,
333-53977 and 333-66991) of our report dated February 26, 1999, appearing in
this Annual Report on Form 10-K of P.H. Glatfelter Company for the year ended
December 31, 1998.


/s/ Deloitte & Touche LLP

Philadelphia, Pennsylvania
March 19, 1999


                         







<TABLE> <S> <C>

<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED FINANCIAL STATEMENTS FOR THE TWELVE MONTHS ENDED DECEMBER 31 OF
P.H. GLATFELTER CO. AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-END>                               DEC-31-1998
<CASH>                                          50,907
<SECURITIES>                                         0
<RECEIVABLES>                                   71,608
<ALLOWANCES>                                     1,532
<INVENTORY>                                    117,852
<CURRENT-ASSETS>                               241,908
<PP&E>                                       1,285,737
<DEPRECIATION>                                 657,581
<TOTAL-ASSETS>                                 990,738
<CURRENT-LIABILITIES>                          126,876
<BONDS>                                        325,381
                                0
                                          0
<COMMON>                                           544
<OTHER-SE>                                     343,385
<TOTAL-LIABILITY-AND-EQUITY>                   990,738
<SALES>                                        705,078
<TOTAL-REVENUES>                               717,705
<CGS>                                          575,351
<TOTAL-COSTS>                                  627,150
<OTHER-EXPENSES>                                 9,816
<LOSS-PROVISION>                                    90
<INTEREST-EXPENSE>                              22,007
<INCOME-PRETAX>                                 58,732
<INCOME-TAX>                                    36,133
<INCOME-CONTINUING>                             36,133
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    36,133
<EPS-PRIMARY>                                     0.86
<EPS-DILUTED>                                     0.86
        

</TABLE>


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