<PAGE>   1
                       SECURITIES AND EXCHANGE COMMISSION
                              WASHINGTON, DC 20549
                                   FORM 10-K

(Mark One)

[X]  ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES AND
          EXCHANGE ACT OF 1934

For the fiscal year ended August 31, 1999

[ ]  TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES
          EXCHANGE ACT OF 1934

For the transition period from               to

Commission file number 000-17051

                             TUSCARORA INCORPORATED
             (Exact name of registrant as specified in its charter)

            Pennsylvania                             25-1119372
    (State or other jurisdiction of                 (IRS employer
     incorporation or organization)               Identification No.)



           800 Fifth Avenue
       New Brighton, Pennsylvania                       15066
 (Address of principle executive offices)             (Zip Code)


        Registrant's telephone number, including area code: 724-843-8200

          Securities registered pursuant to Section 12(b) of the Act:
                                      None

          Securities registered pursuant to Section 12(g) of the Act:
                        Common Stock, without par value
                        Preferred Share Purchase Rights

         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 and (2) has been subject to such filing
requirements for at least 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 registrant's knowledge, in definitive proxy or information
statements incorporated by reference in Part III of this Form 10-K or any
amendment to this Form 10-K. [ ]

         The registrant estimates that as of October 22, 1999 the aggregate
market value of the shares of its Common Stock held by non-affiliates of the
registrant was approximately $86,242,000.

         As of October 22, 1999, 9,406,386 shares of Common Stock of the
registrant were issued and outstanding.

                      DOCUMENTS INCORPORATED BY REFERENCE:

         Portions of the registrant's Annual Report to Shareholders for its
fiscal year ended August 31, 1999 are incorporated by reference into Parts I and
II of this annual report.

         Portions of the Proxy Statement for the registrant's Annual Meeting of
Shareholders to be held on December 16, 1999 are incorporated by reference into
Part III of this annual report.
<PAGE>   2


                                     PART I
ITEM 1.  BUSINESS.

         Tuscarora Incorporated (the "Company") was incorporated in 1962 as
Tuscarora Plastics, Inc. The corporate name was changed in 1992 to reflect
changes in the Company's business.

         The Company custom designs and manufactures protective packaging and
material handling products and supplies custom designed components for
industrial and consumer product applications. In each of its markets, the
Company's focus is to engineer a practical, cost effective solution to meet each
customer's specific end-use requirements.

         The Company is the largest manufacturer of custom molded products made
from expanded foam plastic materials in the United States. Protective packaging
and material handling products and components are manufactured using custom
molded foam plastic materials and thermoplastics. Protective packaging and
material handling products are also manufactured by using a variety of
materials, including corrugated paperboard, molded and/or diecut foam plastics,
thermoformed plastics and wood either alone or in various combinations. The
range of material options offered enables the Company to be competitive
vis-a-vis companies that only offer products made from a single material. The
Company's products are manufactured at the Company's custom molding, integrated
materials and thermoforming facilities (see "Manufacturing" below).

         In each of the 1999, 1998 and 1997 fiscal years, the protective
packaging and material handling products contributed approximately 86% of the
Company's net sales. The remainder was accounted for by the component products.

         In prior years, the Company has discussed four primary target markets
for the Company's products: high technology, automotive, consumer electronics
and appliances. During the 1999 fiscal year, the Company experienced significant
sales increases in two other market sectors which hold growth potential for the
Company: pharmaceuticals and specialty chemicals and building products and
office furniture. These market sectors have been added to the Company's list of
primary target markets. During the 1999 fiscal year, the target markets
accounted for the following approximate percentages of the Company's net sales:
high technology - 25%, automotive and recreational vehicles - 18%, consumer
electronics - 17%, appliances, large and small - 15%, building products and
office furniture - 10% and pharmaceuticals and specialty chemicals - 7%. The
Company competes in other market sectors as well.

         The Company serves more than 3,600 customers, substantially all of
which are located in North America and the
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British Isles. For the 1999 fiscal year, no customer accounted for more than 4%,
and the Company's ten largest customers accounted for approximately 22%, of the
Company's net sales.

PROTECTIVE PACKAGING AND MATERIAL
 HANDLING PRODUCTS

         The protective packaging products made from foam plastic and other
materials are used to protect a wide range of finished products during shipment.
The products are designed to reduce or eliminate damage that may occur during
shipment and handling as a result of shock, vibration or wide temperature
fluctuations. Goods packaged in the Company's protective packaging include such
items as:

<TABLE>
<S>                                                             <C>
       Computers and computer peripherals                       Water heaters and air conditioners
       Televisions and VCRs                                     Refrigerators
       Satellite dishes                                         Microwave ovens
       Office equipment                                         Coffee makers and other kitchen
       Vaccine containers                                         appliances
       Liquid chemicals                                         Toys
       Pharmaceuticals                                          Outboard motors
       Military equipment                                       Office furniture
</TABLE>

Until recently, the Company's focus has been limited to providing interior
protective packaging; i.e., packaging where the customer's goods, together with
the Company's protective packaging, are placed inside exterior shipping
containers prior to shipment. Presently, the Company more and more has been
providing protective packaging that includes outer containers made of corrugated
paperboard, wood or thermoplastics. The Company also supplies customers with
value added features such as molded or diecut partitions that position
accessories such as electronic cables and operating manuals that are shipped
with the customer's goods. Similar value added secondary services are also being
provided in regard to the Company's material handling products and components
(see "Components" below).

         The material handling products generally serve the same purposes and
functions as the protective packaging products but are used primarily in
intra-plant and inter-plant movement of parts and components rather than
shipment of finished goods. For example, automobile manufacturers and their
suppliers transport parts to assembly plants using foam dunnage trays made by
the Company. Material handling products also frequently serve as carriers to
position parts for automated assembly. The Company also manufactures insulated
shippers which transport temperature-sensitive materials for the pharmaceutical
and chemical industries. The material handling products are generally more
durable than the protective packaging products and are usually reusable,
providing a cost-effective means of transporting materials that are sensitive or
difficult to

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handle. Most of the material handling products are foam plastic shapes; however,
certain material handling products, such as durable returnable material handling
pallets, trays and fixtures, are made from thermoformed as well as integrated
materials.

         The protective packaging and material handling products made
from expanded foam plastic materials possess an unusual combination of useful
properties such as exceptional lightness, impact resistance and shock
absorbency, toughness and strength, thermal insulating efficiency, temperature
tolerance, buoyancy and chemical and biological neutrality. The cost of the
products to the customer is often less than alternative types of materials
because, pound for pound, less material is required to provide equal or better
protection. These products can also be easily and quickly handled thus reducing
the customer's labor costs. Because foam plastic packaging shapes frequently
require less space and are lighter than most other packaging materials, the
customer is often able to reduce its product shipping costs. Similarly, properly
designed foam plastic material handling devices often increase total yield per
transportation container, thus reducing intra-plant or inter-plant freight cost.

         The protective packaging and material handling products made from a
variety of materials are made by integrating foam plastic shapes with other
materials such as corrugated paperboard and wood to produce products with
superior properties and/or lower costs compared to products made from a single
material. As a result of the recent acquisition of Lane Container Company (see
"Business Acquisitions" below), the Company's product offerings of specialty
corrugated containers and custom wood crating products have been significantly
enhanced.

         Thermoformed products are  used to hold goods and parts in place during
shipment or handling. Thermoformed products are used where the shock absorbency
or thermal insulating properties of foam plastic are not required. Because
transparent plastic materials can be thermoformed, these materials are often
used to create a package that allows the consumer to view the enclosed product.
The Company supplies thermoformed products to most of the Company's target
markets.

         For the 1999, 1998 and 1997 fiscal years, sales of products
manufactured by the Company's integrated materials facilities accounted for
approximately 20%, 19% and 18%, respectively, of the Company's net sales.

         During the 1999, 1998 and 1997 fiscal years, sales of products
manufactured by the Company's thermoforming

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facilities, including components (see "Components" below), accounted for
approximately 5%, 6% and 4%, respectively, of the Company's net sales.

COMPONENTS

         The Company manufactures molded foam plastic shapes which are used as
components in automobiles, watercraft and recreational vehicles. Due to their
light weight and high energy-absorbing properties, molded foam shapes are used
as bumper cores and are positioned in door panels, steering wheels and
dashboards to provide added passenger protection. Flotation and/or seating
assemblies are made for watercraft and recreational vehicles.

         The Company manufactures thermal insulation components which are foam
plastic shapes used by appliance manufacturers to provide insulation in products
such as home and commercial refrigerators, freezers, air conditioners and water
coolers. The construction industry also uses these shapes as insulation in
poured concrete or block walls, in prefabricated metal buildings and as core
material for factory-manufactured steel exterior doors.

         In the high technology area, the Company has a license for E-PAC, a
design-for-assembly technology, utilizing foam plastic shapes. E-PAC is a
concept for the internal assembly of electronic components that enables
electronic device manufacturers to reduce both material cost and assembly time
by bundling delicate electronic componentry into a lightweight, protective
carrier that is placed inside an exterior housing.

         The Company also makes components from thermoformed materials.
Components made from thermoformed materials are used in applications such as
garage door panels and motor vehicle trim.

CUSTOM DESIGN

         Virtually all of the Company's products are custom designed. The
Company has eight design and testing centers which support the Company's sales
efforts and manufacturing operations. The centers are staffed by design and
engineering personnel who study and evaluate the requirements of the Company's
customers. Five of the centers are certified International Safe Transit
Association (ISTA) testing laboratories. The Company's customers make extensive
use of the design and testing centers.

         With respect to the custom molding operations, prototype foam shapes
are developed at the design and testing centers. After a shape is approved by
the customer, one or

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more aluminum production molds are made and then shipped to a custom molding
facility, generally the one nearest the customer, for production. The Company
makes most of the production molds for its manufacturing operations in the
United States and Mexico at a single mold making facility in the United States.
In the United Kingdom, the making of the production molds is outsourced to a
third party.

         The design and testing centers and mold making facility are equipped
with and extensively use computer-aided design (CAD) and computer-aided
manufacturing (CAM) systems.

MANUFACTURING

         The Company has five operating divisions and 36 manufacturing
facilities, including the mold making facility. All but six of the facilities
are located in the United States; four are in the United Kingdom and two in
Mexico. The divisions are the Eastern Division, Midwestern Division, Southern
Division and Western Division (which includes the Mexican operations) in the
United States and the U.K. Division. The divisions in the United States, each of
which consists of from six to ten manufacturing facilities, were formed in
recognition of the Company's expansion nationwide and the corresponding need for
management decentralization.

         The Company's manufacturing facilities are generally strategically
situated near manufacturing facilities of major customers and/or major markets.
The location of the manufacturing facilities, as well as the design and testing
centers and sales offices, is set forth under Item 2 of this annual report.

         Custom molded foam plastic products are produced by causing plastic
beads to be blown into an aluminum production mold inserted in an automatic
molding machine. Time and pressure controlled heat (in the form of steam) is
applied to the beads in the mold, causing the beads to further expand, soften
and fuse together to form the shape of the product which is then stabilized
before removal from the molding machine. Significant capital expenditures for
molding machines and auxiliary equipment are required to manufacture custom
molded products. Auxiliary equipment includes air compressors, steam boilers,
cooling towers, conveyors, drying equipment and a wide variety of other standard
industrial machinery and equipment. The major items of expense in the
manufacture of the custom molded products are the plastic resins from which the
products are made, labor and the utilities needed to operate the molding
machines and other equipment.

         The manufacture of the products made from integrated materials and the
thermoformed products is less capital intensive. In the integrated materials
operations, the

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machinery and equipment consists primarily of machining and fabricating
equipment for forming foam plastic, corrugated paperboard and wood products.
Fabrication of foam plastic involves the cutting of shapes from billets or
planks of foam plastic using specialized cutting tools and hot wire equipment.
Fabrication of corrugated paperboard involves slitting, die-cutting, folding and
gluing the paperboard. The fabrication of wood products employs conventional
power saws and other wood-working machinery. The fabricated parts are then
assembled to produce products to meet each customer's specific end-use
requirements.

         Thermoforming is the process by which rigid sheets of hard
thermoplastic, such as ABS or high density polyethylene, are heated and then
vacuum and/or pressure formed over molds to create specific shapes. As a result
of recent acquisitions (see "Business Acquisitions" below), the Company has the
ability to produce thermoformed products from thin gauge material in a roll-fed
in-line manufacturing process as well as from heavy gauge material through a
sheet-fed process.

         Where necessary, molded foam plastic shapes and thermoformed shapes
used in the manufacture of products made from integrated materials are shipped
from the facility where these shapes are made to the appropriate integrated
materials facility for integration with other materials.

         The major items of expense in the manufacture of the products made from
integrated materials and the thermoformed products are the materials from which
the products are made, labor and electricity costs.

         In general, the Company receives purchase orders from its customers
which do not specify quantity production and delivery dates. Production against
orders is determined by the customers' production schedules with the result that
products are generally required to be produced and delivered on short notice.
Production levels are generally determined by customer release patterns rather
than the backlog of purchase orders.

         The proximity of the Company's manufacturing facilities to the
Company's customers ensures timely delivery of products and enables the Company
to provide products without a significant shipping cost. Production flexibility
also exists among the Company's facilities since molds and/or molding machines
and other manufacturing equipment can be moved quickly from one facility to
another.

         All the Company's manufacturing facilities have warehousing capacity
for inventories of finished goods. Warehouses are located at other locations as
well. Distribution of products from the manufacturing facilities and warehouses
to

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customers is made by Company operated tractor-trailers and by common carrier.
Most of the Company operated tractor-trailers are leased.

         In the area of quality improvement, ISO and QS registration, and
customer satisfaction, the Company has made excellent progress. Six
manufacturing facilities achieved ISO registration during the 1999 fiscal year,
bringing the total number of plants that have achieved or have been recommended
for ISO or QS registration to 19. The Company expects that all the manufacturing
facilities will be registered by the end of the 2000 fiscal year.

SALES

         Sales are made primarily by the Company's own sales force which,
including supporting technical personnel at the Company's design and testing
centers, consists of 111 salaried employees. Sales offices are located at all
the design and testing centers. In addition, sales in certain geographic areas
and to certain accounts are handled by sales representatives paid on a
commission basis who are assisted and supported by Company personnel.

FOREIGN OPERATIONS

         The Company commenced doing business in the United Kingdom as a result
of a business acquisition during the 1995 fiscal year. The business there has
since been expanded through other business acquisitions and site development.

         The Company has had a leased manufacturing facility in Juarez, Mexico
since 1994. This facility has enabled the Company to provide custom molded
protective packaging for domestic customers that have established "Maquiladora"
operations along the U.S.-Mexican border. Maquiladora programs permit domestic
companies to ship component parts in bond into Mexico, assemble them and then
ship the assembled product in bond back into the United States for sale to their
domestic customers. During the 1998 fiscal year, the Company established a
second similar facility in Tijuana, Mexico where the Company has thermoforming
as well as custom molding operations. Over time, it is expected that the Mexican
facilities will also serve customers manufacturing and selling their products in
Mexico. The Company is presently exploring opportunities to serve high
technology customers in Guadalajara, Mexico.

         The United Kingdom operations have shown an operating loss during each
of the last three fiscal years; however, there was a significant reduction in
the operating loss in the 1999 fiscal year due principally to improved operating
efficiencies. The operating income of the Mexican operations showed

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<PAGE>   9
 significant improvement in the 1999 fiscal year. During the 1998 fiscal year,
there was a substantial decline in the operating income of the Mexican
operations due primarily to the costs associated with the establishment of the
new facility in Tijuana. For further information with respect to the foreign
operations, see Notes 10 and 16 of the Notes to Consolidated Financial
Statements and Management's Discussion and Analysis of Results of Operations and
Financial Condition contained in the Company's Annual Report to Shareholders for
the 1999 fiscal year and incorporated herein by reference.

         The Company's operations in the United Kingdom and Mexico are conducted
through subsidiaries. The Company has no other subsidiaries which play an
important role in the Company's business.

         The Company's export sales from the United States are not significant.

RAW MATERIALS

         The materials from which the Company's custom molded products are made
are expandable polystyrene ("EPS"), expanded polypropylene ("EPP"), expanded
polyethylene ("EPE"), ARCEL(TM) and high heat-resistant styrene-based resins.
All the raw material resins are petroleum based. EPP and EPE are polyolefin
resins and ARCEL(TM) is a co-polymer of polyethylene and polystyrene.

         EPS is received by the Company in an unexpanded state and in its raw
form has an appearance much like table salt. ARCEL(TM) and the high
heat-resistant resins are also received by the Company in an unexpanded state.
Under conditions of time and pressure controlled heat, the raw material beads
can be expanded to many times their original size with no increase in weight.
The Company expands the beads to various densities depending upon the properties
desired and stores the expanded beads until the final products are molded. In
contrast, the EPP and EPE beads are already expanded when received by the
Company and do not require further expansion before molding.

         Most of the Company's custom molded products are made from EPS. The
other resins are particularly suitable for certain applications and are
significantly more expensive. Accordingly, the products made from the other
resins sell at higher prices than the products made from EPS. During the 1999,
1998 and 1997 fiscal years, approximately 24%, 26% and 20%, respectively, of the
Company's net sales of custom molded products have been attributable to products
made from the premium resins. The increase in net sales during the 1999 and 1998
fiscal years reflects the use of these resins in the manufacture of custom
molded products made to protect computers

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and other high technology equipment and as components in automobiles, watercraft
and recreational vehicles.

         The Company has never experienced a shortage of the resins used in the
manufacture of the custom molded products and does not foresee that any shortage
will occur. EPS, EPP and EPE are generally available from a number of suppliers
who sell to any prospective purchaser. The high heat-resistant resins and
ARCEL(TM) are each sold by a single supplier but are also generally available.

         The price of EPS has declined during the last three fiscal years and
has resulted in some reductions in the selling price of products made from EPS.
There was, however, an increase in the price of EPS during the last quarter of
the 1999 fiscal year which enabled the Company to increase selling prices for
EPS products.

         The materials (including corrugated paperboard, wood and foam billets
and planks) used in the manufacture of products made from integrated materials
and the materials used in the thermoforming operations are also readily
available.

COMPETITION

         The Company's protective packaging and material handling products
compete with similar products made by others as well as with other types of
protective products. A majority of the similar products is produced by
independent manufacturers who generally market their products in a particular
geographic area from a single or limited number of facilities. While the Company
is considerably larger than most of the manufacturers of similar products, the
Company's penetration in the total protective packaging market is still
relatively small. A number of the companies which produce competing products,
particularly paper and corrugated packaging products, are well established and
have substantially greater financial resources than the Company.

         The components manufactured by the Company for thermal insulation
represent a small portion of the overall market for insulation products. Because
of the specialized nature of the Company's products, the Company competes
primarily with other manufacturers of similar foam plastic products, rather than
with manufacturers of alternative insulation products. With the exception of
E-PAC, which is licensed technology, the other components manufactured by the
Company can be provided by other vendors using similar or alternative materials.

         Competition between the Company and manufacturers of similar products
is based primarily on product engineering, price and customer service.


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CAPITAL EXPENDITURES

         Capital expenditures for property, plant and equipment during the 1999,
1998 and 1997 fiscal years (not including expenditures in connection with
business acquisitions) amounted to $19,491,000, $24,153,000 and $21,318,000,
respectively.

         Capital expenditures included above for land, buildings and
improvements during the 1999, 1998 and 1997 fiscal years amounted to $7,064,000,
$5,702,000 and $5,892,000, respectively. The 1999 fiscal year expenditures
included expenditures for the purchase of the custom EPS molding facility in
Lewisburg, Tennessee, which was previously leased, additional expenditures at
the new custom molding facility in Brenham, Texas (see "New Site Development"
below), installation of custom molding capabilities at the integrated materials
facility in Hayward, California acquired during the 1997 fiscal year (see
"Business Acquisitions" below) and expenditures for plant modernization at the
custom molding facility in Sallisaw, Oklahoma acquired during the 1999 fiscal
year (see "Business Acquisitions" below).

         Capital expenditures included above for machinery and equipment during
the 1999, 1998 and 1997 fiscal years amounted to $12,427,000, $18,451,000 and
$15,426,000, respectively. During the 1999 fiscal year, $3,924,000 of these
expenditures was for automatic molding machines used in the custom molding
operations, $1,604,000 for manufacturing equipment used in the integrated
materials and thermoforming operations and $5,966,000 for auxiliary equipment
primarily for the custom molding operations. In addition, $933,000 was expended
during the 1999 fiscal year for environmental control equipment (see
"Environmental Considerations" below). Capital expenditures during the 1998
fiscal year were higher than in the 1999 and 1997 fiscal years, primarily as a
result of higher than expected machinery and equipment costs associated with the
Company's new facilities in Brenham, Texas and Tijuana, Mexico where production
commenced during the 1998 fiscal year. The capital expenditures for the 2000
fiscal year are expected to be substantially the same as the capital
expenditures for the 1999 fiscal year.

BUSINESS ACQUISITIONS

         On September 1, 1999, the Company acquired the principal business and
operating assets of Lane Container Company in Dallas, Texas. This company has
particular expertise in specialty corrugated containers, heavy wall corrugated
fabrication and custom wood crating products and is expected to add in excess of


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$8 million of new revenues in the 2000 fiscal year. The Company will continue
the business acquired at the same location under a lease with a third party. The
amount paid and to be paid in connection with the acquisition is not material.

         Expenditures in connection with business acquisitions during the 1999
and 1998 fiscal years were also not significant. In February 1999, the Company
acquired the custom molding business, including the associated real estate, of
Berry Packaging, Inc. in Sallisaw, Oklahoma. In June 1998, the Company acquired
a small EPS custom molding business in Meriden, Connecticut and moved the
business acquired to the Company's existing custom molding facility in Putnam,
Connecticut.

         During the 1997 fiscal year, the Company acquired two custom molding
facilities, two integrated materials facilities and two thermoforming
facilities. In September 1996, the Company acquired the thermoforming business
of FormPac Corporation in Sandusky, Ohio; in October 1996, the Company acquired
all the outstanding capital stock of EPS (Moulders) Ltd., a custom molding
business in Livingston, Scotland; in April 1997, the Company acquired the
thermoforming business of Thermoformers Plus in Chula Vista, California (near
San Diego); in May 1997, the Company acquired the integrated materials business
of Allgood Industries, Inc. in Hayward, California (near San Francisco); and in
July 1997, the Company acquired all the outstanding capital stock of Arrowtip
Mouldings Limited, a custom molding and fabricating business with separate
custom molding and integrated materials facilities in London, England. The
aggregate purchase price recorded for these acquisitions during the 1997 fiscal
year, totaled $16,694,000, including notes and other obligations payable valued
at $2,116,000 and contingent consideration valued at $754,000.

         The Company's net sales for the 1999 fiscal year amounted to
$233,841,000 as compared with $232,902,000 for the preceding fiscal year. The
increase was due to the business acquisitions in the 1999 and 1998 fiscal years
and to higher sales levels in the consumer electronics and high technology
industries in the second half of the 1999 fiscal year. The overall increase in
net sales was achieved despite lower selling prices for EPS products due to
lower EPS resin costs (see " Raw materials" above) and other factors (see
Management's Discussion and Analysis of Results of Operations and Financial
Condition contained in the Company's Annual Report to Shareholders for the 1999
fiscal year and incorporated herein by reference).

         For further information with respect to the business acquisitions
during the last three fiscal years, see Notes 12 and 17 of the Notes to
Consolidated Financial Statements included in the Company's Annual Report to
Shareholders for the 1999 fiscal year and incorporated herein by reference.

         The Company will continue to look for acquisitions which mesh well with
the Company's business.

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<PAGE>   13

NEW SITE DEVELOPMENT

         The Company has also established a number of manufacturing facilities
through new site development during the last three fiscal years.

         During the 1999 fiscal year, the Company established a new integrated
materials facility in Lindon, Utah; and during the 1998 fiscal year, as
indicated above, the Company completed the construction of, and began production
at, new custom molding facilities in Brenham, Texas and Tijuana, Mexico.
Strategically located between Houston and Austin, Texas, the Brenham facility
serves Compaq Computer Corporation and other high tech companies in southeast
Texas. The Tijuana facility serves domestic companies that have established
"Maquiladora" operations along the U.S.- Mexican border (see "Foreign
Operations" above).

         During the 1997 fiscal year, production commenced at a new custom
molding facility which the Company constructed in Storm Lake, Iowa. In May 1998,
this facility was sold by the Company to, and then leased back by the Company
from, an industrial development authority. The lease has been reflected as a
capitalized lease for financial reporting purposes.

         The Company will continue to develop new production sites as they are
needed to meet the needs of its customers.

SEASONALITY

         The Company's net sales and net income are subject to some seasonal
variation both in North America and the British Isles. In both areas, the
Company's business generally declines in the second fiscal quarter (primarily in
December) due to a reduction in manufacturing activity by the Company's
customers. See Note 18 of the Notes to Consolidated Financial Statements
included in the Company's Annual Report to Shareholders for the 1999 fiscal year
and incorporated herein by reference.

EMPLOYEES

         As of August 31, 1999, the Company had 1,890 employees, of which 541
were employed in the United Kingdom and Mexico. Of the total, 461 were salaried
employees and 1,429 were paid on an hourly basis. Of the hourly employees, 360
at eight manufacturing facilities, including one in the United Kingdom, are
covered by collective bargaining agreements with seven different unions. The
agreements, except for the one in the United Kingdom which is currently being
renegotiated, expire at various dates from June 1, 2000 through October 23,
2003. The Company considers its labor relations to be good and has never
suffered a work stoppage as a result of a labor conflict.

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ENVIRONMENTAL CONSIDERATIONS

         The Company has obtained air and other applicable environmental permits
for all the custom molding facilities in the United States and Mexico. Air
permits are not required in the United Kingdom. Certain of the permits restrict
the amount of pentane (a blowing agent contained in the Company's foam plastic
resins) which may be released during the manufacturing process. Pentane is a
volatile organic compound (VOC). VOCs have been linked to smog in the
atmosphere, particularly in densely populated areas. The need to reduce the
emissions of this gas has resulted in capital expenditures for batch
pre-expanders which allow the Company to use low pentane content EPS. Pentane
abatement systems have also been installed at certain custom molding facilities.
Air permits have not been required for the Company's integrated materials and
thermoforming facilities.

         The Company has acquired recycling equipment for all its custom molding
and integrated materials facilities. The equipment includes (i) regrinders which
enable the Company to reuse in-house scrap and molded foam received from
original equipment manufacturers, customers and consumers, (ii) EPS densifiers
which enable the Company to compact scrap and molded foam collected for
reprocessing in the polystyrene recycling market and (iii) balers which enable
the Company to compact in-house corrugated paperboard scrap for reprocessing.
In-house scrap resulting from the manufacture of thermoformed products is
returned to the raw material suppliers of these materials for recycling.

         If necessary, the Company's products may also be safely landfilled or
incinerated.

         During the 1999, 1998 and 1997 fiscal years, the Company's capital
expenditures for environmental matters, including environmental control
equipment, amounted to $1,168,000, $1,341,000 and $1,745,000, respectively.
Capital expenditures for environmental matters during the 2000 fiscal year are
expected to amount to approximately $1,000,000.

         In 1996, the Company commenced a voluntary program under which
environmental compliance audits are being conducted over a period of time for
all the Company's manufacturing facilities in the United States. At the end of
the 1999 fiscal year, 24 audits had been completed. The audits have been
conducted by an independent environmental consulting firm and have not resulted
in plans for any significant additional capital expenditures for environmental
matters.

         There has been public concern that using chloro-fluoro-carbons
("CFCs") in the manufacture of plastic products

                                      -13-
<PAGE>   15
may deplete the Earth's upper atmospheric ozone layer. The Company does not use,
nor has it ever used, CFCs in the manufacture of any of its products.

BUSINESS SEGMENTS

         During the fourth quarter of the 1999 fiscal year, the Company adopted
Statement of Financial Accounting Standards (SFAS) No. 131, "Disclosures about
Segments of an Enterprise and Related Information". Management believes that the
Company currently operates in a single business segment as a designer and
manufacturer of protective packaging and material handling products and
components.

         The geographic distribution of net sales and operating income (loss)
for the 1999, 1998 and 1997 fiscal years and of long-lived assets at August 31,
1999, 1998 and 1997 among the United States, the United Kingdom and Mexico, as
required by SFAS No. 131, is set forth in Note 16 of the Notes to Consolidated
Financial Statements contained in the Company's Annual Report to Shareholders
for the 1999 fiscal year and incorporated herein by reference

ITEM 2.  PROPERTIES.

         The Company's headquarters are located at 800 Fifth Avenue, New
Brighton, Pennsylvania 15066.

         Custom Molding Facilities. The Company has custom molding facilities at
25 locations as follows:
<TABLE>

<S>                                                                  <C>
         Colorado Springs, Colorado                                  Greeneville, Tennessee
         Putnam, Connecticut                                         Lewisburg, Tennessee
         Conyers, Georgia                                               (two facilities)
         Streator, Illinois                                          Brenham, Texas
         Storm Lake, Iowa                                            Sterling, Virginia
         Chesaning, Michigan                                         Pardeeville, Wisconsin
         Tupelo, Mississippi                                         Juarez, Chih., Mexico
         Las Cruces, New Mexico                                      Tijuana, B.C., Mexico
         Cortland, New York                                          London, England
         Butner, North Carolina                                      Northampton, England
         Marion, Ohio                                                Spennymoor, England
         Sallisaw, Oklahoma                                          Livingston, Scotland
         New Brighton, Pennsylvania
</TABLE>

         During the 1999 fiscal year, the Company acquired the custom molding
facility in Sallisaw, Oklahoma (see "Business Acquisitions" under Item 1) and
during the 1998 fiscal year, the Company completed construction of, and
commenced production at, the custom molding facilities in Brenham, Texas and
Tijuana, Mexico (see "New Site Development" under Item 1). The Company acquired
the custom molding facilities in London, England and Livingston, Scotland (see
"Business Acquisitions" under Item 1) and completed construction of, and
commenced production at, the custom molding facility in Storm Lake, Iowa (see
"New Site Development" under Item 1) during the 1997 fiscal year.

         The Company manufactures products from EPS at all the custom molding
facilities except at one of the facilities in Lewisburg, Tennessee and at Storm
Lake, Iowa. These facilities are dedicated polyolefins plants where products are
only made from EPP or EPE. Products are also made from one or more of the
Company's premium raw material resins at a majority of the other custom molding
facilities.

         Integrated Materials Facilities. The Company has integrated materials
operations at thirteen locations, including five of the sites listed above as
custom molding facilities. The locations of the eight separate integrated
materials facilities are as follows:

                                      -14-
<PAGE>   16
<TABLE>
<CAPTION>

<S>                                               <C>
         Hayward, California                      Darlington, Pennsylvania
         Colorado Springs, Colorado               Dallas, Texas
         Holden, Massachusetts                    Lindon, Utah
         Saginaw, Michigan                        Burlington, Wisconsin
</TABLE>

         The Company established the integrated materials facility in Lindon,
Utah during the 1999 fiscal year (see "New Site Development" under Item 1) and
on September 1, 1999 acquired the integrated materials facility in Dallas, Texas
(see "Business Acquisitions" under Item 1). The Company is in the process of
transferring its integrated materials operations in Beaver, Pennsylvania (which
has been listed in previous annual reports) to the facility in Darlington,
Pennsylvania. The Company has added custom molding capabilities at the facility
in Hayward, California which was acquired during the 1997 fiscal year (see
"Capital Expenditures" and "Business Acquisitions" under Item 1).

         Thermoforming Facilities. The Company's principal thermoforming
facility is located in Sandusky, Ohio. This facility was acquired during the
1997 fiscal year (see "Business Acquisitions" under Item 1). Thermoforming
operations are also conducted at a separate site in Conyers, Georgia, at the
custom molding facility in Tijuana, Mexico and at the integrated materials
facility in Burlington, Wisconsin.

         Design and Testing Centers. The Company's custom molding and integrated
materials operations are supported by seven design and testing centers. These
centers are located at the Company's headquarters in New Brighton, Pennsylvania,
at the custom molding facility in Colorado Springs, Colorado, at the
manufacturing facilities in Hayward, California, Holden, Massachusetts and
Northampton, England and at separate sites in Conyers, Georgia and Grand Blanc,
Michigan. The Grand Blanc center primarily serves the automotive industry. The
Company's thermoforming operations are supported by a design and testing center
at the facility in Sandusky, Ohio. Sales offices are located at each of the
design and testing centers.

         Other Facilities. The Company's mold making facility is in Sun Prairie,
Wisconsin. This facility is considered a manufacturing facility because most of
the aluminum production molds that are made by the Company at this facility are
sold to and are owned by the Company's customers.

         While no new production sites are presently contemplated, the Company
recently established a distribution facility in Dublin, Ireland, which is
currently being supplied by the manufacturing facilities in England and
Scotland.

                                      -15-
<PAGE>   17

         Miscellaneous. Most of the custom molding facilities are owned while a
majority of the other facilities are leased. The Company has options to purchase
most of the leased facilities and generally makes substantial leasehold
improvements to, and exercises its options to purchase, the leased facilities.
The leases expire at various dates through November 2007. In many cases, the
leases may be extended at the Company's option.

         The Company has warehouse facilities at each manufacturing location.
Additional warehouse facilities are located near certain of the Company's
manufacturing facilities and near the manufacturing facilities of certain major
customers. All the outside warehouse facilities are leased.

         The Company believes that its facilities are generally well suited for
their respective uses and that they are generally adequately sized and designed
to provide the operating efficiencies necessary for the Company to be
competitive. The Company continually expands and modernizes its existing
facilities and establishes new facilities as necessary to meet the demand for
its products.

         Information with respect to the machinery and equipment used in the
Company's manufacturing operations and the Company's transportation equipment is
included in Item 1 of this report. The information is incorporated in this Item
2 by reference.


                                      -16-
<PAGE>   18


ITEM 3.  LEGAL PROCEEDINGS.

         John C. Bartram, Administrator of the Estate of Dwayne Scott Mount,
Deceased v. Tuscarora Incorporated, et al. - Case No. 96CV-0511 in the Court of
Common Pleas for Marion County, Ohio. In December 1996, the Administrator of the
Estate of Dwayne Scott Mount (the "Decedent") filed a Complaint for Wrongful
Death in the captioned civil action against the Company and Toyo Machine and
Metal Co., Ltd. ("Toyo"). Decedent, an employee of the Company, was killed in
May 1996 while working on a molding machine at the Company's custom molding
plant in Marion, Ohio. The molding machine was manufactured by Toyo. Count I of
the Complaint states an intentional employer tort claim and alleges that the
Decedent was wrongfully killed as a result of certain alleged intentional
conduct of the Company. Under Count I, plaintiff seeks both compensatory and
punitive damages from the Company of not less than $5,000,000. Count II of the
Complaint stated a products liability claim and alleged that the Decedent was
wrongfully killed as a result of the defective design and/or manufacture of the
molding machine by Toyo. Under Count II, plaintiff sought both compensatory and
punitive damages from Toyo. In March 1999, plaintiff voluntarily dismissed,
without prejudice, its claims against Toyo.

         Having learned during discovery that the Company did not own the
molding machine but used it under an agreement with Kaneka America Corporation
("Kaneka America"), the plaintiff, upon Motion made to the Court in April 1998,
was permitted by the Court to file an Amended Complaint which named Kaneka
America and Kaneka Texas Corporation ("Kaneka Texas") as additional defendants.
Kaneka America, the owner of the molding machine at the time it was acquired by
the Company, leased the machine to Kaneka Texas in April 1992 and then sold it
to Kaneka Texas in March 1995. The Amended Complaint added a Count III which
stated a breach of contract claim against Kaneka America and/or Kaneka Texas
alleging that the Decedent was wrongfully killed as a result of the failure of
Kaneka America and/or Kaneka Texas to assist the Company in maintaining the
safety of the molding machine pursuant to the agreement between the Company and
Kaneka America. Under Count III, plaintiff sought both compensatory and punitive
damages from Kaneka America and/or Kaneka Texas of not less than $5,000,000. In
June 1999, plaintiff settled its claims against Kaneka America and Kaneka Texas
for $75,000.

         The Company is vigorously contesting the lawsuit and has denied the
allegations against the Company and asserted various defenses including that the
plaintiff's claim is barred pursuant to the Ohio Workers' Compensation statute.
The lawsuit is scheduled for trial in June 2000. In the opinion of

                                      -17-
<PAGE>   19

management, the disposition of the proceeding should not have a material adverse
effect on the Company's financial position or results of operations.

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

         No matters were submitted to a vote of security holders of the Company
during the fiscal quarter ended August 31, 1999.

                        EXECUTIVE OFFICERS OF THE COMPANY

         In accordance with Instruction 3 to Item 401(b) of Regulation S-K,
information with respect to the executive officers of the Company is set forth
below.
<TABLE>
<CAPTION>

        Name                 Age                   Office with the Company
-------------------          ---          ----------------------------------------

<S>                          <C>          <C>
John P. O'Leary, Jr.         52           President and Chief Executive Officer
David C. O'Leary             50           Senior Vice President and Chief
                                          Operating Officer
Brian C. Mullins             58           Senior Vice President, Chief Financial
                                          Officer and Treasurer
</TABLE>

         John P. O'Leary, Jr. has been President and Chief Executive Officer of
the Company since prior to September 1994. He has been a director of the Company
since 1974 and became Chairman of the Board of Directors in August 1994.

         David C. O'Leary has been a Vice President and the chief operating
officer of the Company since May 1997. His title was changed to Senior Vice
President and Chief Operating Officer in October 1998. He was Vice
President-Sales and Marketing from prior to September 1994 to May 1997. The Vice
Presidents in charge of the Company's operating divisions report directly to
David C. O'Leary.

         Brian C. Mullins has been Vice President and Treasurer of the Company
as well as its chief financial and accounting officer since prior to September
1994. His title was changed to Senior Vice President, Chief Financial Officer
and Treasurer in October 1998.

         John P. O'Leary, Jr. and David C. O'Leary are brothers.

         The executive officers are elected annually by the Board of Directors
at an organization meeting which is held immediately after each Annual Meeting
of Shareholders.



                                      -18-
<PAGE>   20



                                     PART II

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

         The Company's Common Stock is traded in the over-the-counter market on
the National Market System of the National Association of Securities Dealers
("NASDAQ"). The Common Stock trades under the NASDAQ symbol TUSC. As of August
31, 1999, there were 708 holders of record of the Company's Common Stock.

         Information with respect to the market prices of, and the cash
dividends paid with respect to, the Company's Common Stock during the fiscal
years ended August 31, 1999 and 1998 appears in Note 18 - Quarterly Financial
Data (unaudited) of the Notes to Consolidated Financial Statements contained in
the Company's Annual Report to Shareholders for the fiscal year ended August 31,
1999 and is incorporated herein by reference.

ITEM 6.   SELECTED FINANCIAL DATA.

         The selected financial data required by this Item 6 is furnished by the
"Eleven Year Consolidated Financial Summary" which appears on the bottom half of
the inside front cover of the Company's Annual Report to Shareholders for the
fiscal year ended August 31, 1999 and is incorporated herein by reference.

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

         The information required by this Item 7 appears under the caption
"Management's Discussion and Analysis of Results of Operations and Financial
Condition" on pages 25 through 30 of the Company's Annual Report to Shareholders
for the fiscal year ended August 31, 1999 and is incorporated herein by
reference.



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

         The quantitative and qualitative disclosure about market risk required
by this Item 7A appears in the Management's Discussion and Analysis of Results
of Operations and Financial Condition under the caption "Market Risks" on page
28 of the Company's Annual Report to Shareholders for the fiscal year ended
August 31, 1999 and is incorporated herein by reference.


                                      -19-
<PAGE>   21

ITEM 8.    FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA.

         The following financial statements and related notes and report appear
on the pages indicated in the Company's Annual Report to Shareholders for the
fiscal year ended August 31, 1999 and are incorporated herein by reference:

                                                          Page(s)in
                                                        Annual Report
Financial Statements and Related Report                to Shareholders
-----------------------------------------------------------------------
<TABLE>
<CAPTION>

<S>                                                    <C>
Consolidated Statements of Income for the
         fiscal years ended August 31, 1999,
         1998 and 1997                                        11
Consolidated Balance Sheets at August 31,
         1999 and 1998                                        12
Consolidated Statements of Cash Flows
         for the fiscal years ended August 31,
         1999, 1998 and 1997                                  13
Consolidated Statements of Shareholders'
         Equity for the fiscal years ended
         August 31, 1999, 1998 and 1997                       14
Notes to Consolidated Financial Statements                   15-24
Report, dated October 15, 1999, of Ernst &
         Young LLP                                            25
</TABLE>

         The supplementary financial information required by this Item 8 appears
in Note 18 - Quarterly Financial Data (unaudited) of the Notes to Consolidated
Financial Statements contained in the Company's Annual Report to Shareholders
for the fiscal year ended August 31, 1999 and is also incorporated herein by
reference.


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

         There were no such events and therefore this Item 9 is not applicable.


                                    PART III

ITEMS 10 THROUGH 13.

         In accordance with the provisions of General Instruction G to Form
10-K, the information required by Item 10 (Directors and Executive Officers of
the Registrant), Item 11 (Executive Compensation), Item 12 (Security Ownership
of Certain Beneficial Owners and Management) and Item 13 (Certain Relationships
and Related Transactions) is not set forth herein (except for the information
concerning "Executive Officers of the Company" which appears at the end of Part
I of this annual report) because the Company has already filed its definitive
Proxy Statement for its Annual Meeting of Shareholders to be

                                      -20-
<PAGE>   22

held on December 16, 1999, which includes such information, with the Commission.
Such information is incorporated herein by reference.



                                     PART IV

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

          The financial statements, financial statement schedule and exhibits
listed below are filed as part of this annual report:

(a)(1)    Financial Statements:

          The consolidated financial statements of the Company and its
subsidiaries, together with the report of Ernst & Young LLP, dated October 15,
1999, appearing on pages 11 through 25 of the Company's Annual Report to
Shareholders for the fiscal year ended August 31, 1999, are incorporated herein
by reference (see Item 8 above).

(a)(2)    Financial Statement Schedules:

                                                             Page in this
                  Schedules                                  Annual Report
                  ---------                                  -------------

Schedule II -  Valuation Account for the fiscal
               years ended August 31, 1999,
               1998 and 1997                                      S-1

         The report of Ernst & Young LLP with respect to Schedule II is included
in the consent of Ernst & Young LLP filed with this annual report as Exhibit 23.

         All other financial statement schedules are omitted either because they
are not applicable or are not material, or the information required therein is
contained in the consolidated financial statements or notes thereto set forth in
the Company's Annual Report to Shareholders for the fiscal year ended August 31,
1999.


(a)(3)   Exhibits:
<TABLE>
<CAPTION>
  Exhibit
    No.                                  Document
----------- -----------------------------------------------------------------------------
<S>         <C>
3(i)        Restated Articles of Incorporation, as amended by the Company's
            shareholders of the Annual Meeting of Shareholders held on December 17, 1998,
            and Statement
</TABLE>
                                      -21-
<PAGE>   23
<TABLE>
<CAPTION>


 Exhibit
   No.                                Document
----------  -------------------------------------------------------------
<S>         <C>
            with Respect to Shares of Series A Junior Participating Preferred
            Stock, filed as Exhibit 3(i) to the Company's quarterly report on
            Form 10-Q for the fiscal quarter ended November 30, 1998 and
            incorporated herein by reference.

3(ii)       By-Laws, as amended and restated by the Company's Board of
            Directors effective April 16, 1998, filed as Exhibit 3(ii) to
            the Company's annual report on Form 10-K for the fiscal year
            ended August 31, 1998 and incorporated herein by reference.

4           Loan Agreement, dated September 23, 1999, by and among the
            Company, Mellon Bank, N.A., KeyBank National Association and
            Mellon Bank, N.A., as Agent, with copies of the Notes executed
            and delivered by the Company in connection with the Loan
            Agreement attached, filed herewith.

4.1         Shareholder Rights Agreement, dated August 17, 1998, between the
            Company and ChaseMellon Shareholder Services, L.L.C., as Rights
            Agent, filed as Exhibit 4 to the Company's current report on Form
            8-K filed on August 21, 1998 and incorporated herein by reference.

10.1        1989 Stock  Incentive  Plan,  as amended by the  Company's  Board of
            Directors and shareholders effective December 15, 1994, filed as
            Exhibit 10.3 to the Company's annual report on Form 10-K for the
            fiscal year ended August 31, 1995 and incorporated herein by
            reference.*

10.2        1989 Stock Incentive Plan, as amended by the Company's Board of
            Directors effective August 31, 1996, filed as Exhibit 10.4 to the
            Company's annual report on Form 10-K for the fiscal year ended
            August 31, 1996 and incorporated herein by reference.*

10.3        1997 Stock Incentive Plan, as adopted by the Company's Board of
            Directors on October 17, 1997 and approved by the Company's
            shareholders on December 18, 1997, filed as Exhibit 10.4 to the
            Company's annual report on Form 10-K for the fiscal year ended
            August 31, 1998 and incorporated herein by reference.*

10.4        Common Stock Purchase Plan for Salaried Employees, as amended
            by the Company's Board of Directors on October 11, 1996, filed
            as Exhibit 10.5 to the
                                      -22-
</TABLE>
<PAGE>   24
<TABLE>
<CAPTION>

  Exhibit
    No.                           Document
----------- -------------------------------------------------------------
<S>         <C>
            Company's annual report on Form 10-K for the fiscal year ended
            August 31, 1996 and incorporated herein by reference.*

10.5        Deferred Compensation Plan for Non-Employee Directors, as
            adopted by the Company's Board of Directors on December 14,
            1994, filed as Exhibit 10.6 to the Company's quarterly report
            on Form 10-Q for the fiscal quarter ended February 28, 1995
            and incorporated herein by reference.*

10.6        Retirement Policy and Plan for Non-Employee Directors, as
            amended by the Company's Board of Directors on December 14,
            1994, filed as Exhibit 10.7 to the Company's quarterly report
            on Form 10-Q for the fiscal quarter ended February 28, 1995
            and incorporated herein by reference.*

10.7        Written description of supplemental retirement benefit for Thomas P.
            Woolaway, filed as Exhibit 10.7 to the Company's annual report on
            Form 10-K for the fiscal year ended August 31, 1995 and incorporated
            herein by reference.*

10.8        First Amendment to the Tuscarora Incorporated and Subsidiary Companies
            Salaried Employees' Money Purchase Pension Plan, as adopted by the
            Company's Board of Directors on October 11, 1996, providing for
            additional employer contributions for certain of the Company's
            executive officers, filed as Exhibit 10.9 to the Company's annual
            report on Form 10-K for the fiscal year ended August 31, 1996 and
            incorporated herein by reference.*

10.9        Tuscarora Incorporated Supplemental Executive Retirement Plan,
            as adopted by the Company's Board of Directors on February 9,
            1996, and related Consent of the Company's Compensation
            Committee, dated October 11, 1996, designating certain of the
            Company's executive officers as Plan participants, and form of
            Participation Agreement, filed as Exhibit 10.10 to the
            Company's annual report on Form 10-K for the fiscal year ended
            August 31, 1996 and incorporated herein by reference.*

10.10       Indemnification and Insurance Agreement, dated December 15,
            1994, between the Company and Robert W. Kampmeinert
            (substantially identical agreements have
</TABLE>

                                      -23-
<PAGE>   25
<TABLE>
<CAPTION>
  Exhibit
    No.                                 Document
----------- ------------------------------------------------------------------
<S>         <C>
            been entered into with all the Company's present directors), filed
            as Exhibit 10.11 to the Company's annual report on Form 10-K for the
            fiscal year ended August 31, 1998 and incorporated herein by
            reference.

13          Those portions of the Annual Report to Shareholders for the
            fiscal year ended August 31, 1999 which are expressly incorporated
            in this annual report by reference, filed herewith.

21          List of subsidiaries of the Company, filed herewith.

23          Consent of Ernst & Young LLP, filed herewith.

24          Powers of Attorney, filed herewith.

27          Financial Data Schedule for the fiscal year ended August 31, 1999,
            filed herewith.
</TABLE>


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

   * Management contract or compensatory plan, contract or arrangement
     required to be filed by Item 601(b)(10)(iii) of Regulation S-K.

     The Company agrees to furnish to the Commission upon request copies of all
instruments defining the rights of holders of long-term debt of the Company and
its subsidiaries which are not filed as a part of this annual report.

     Copies of the exhibits filed as a part of this annual report are available
at a cost of $.20 per page to any shareholder upon written request to Brian C.
Mullins, Senior Vice President, Chief Financial Officer and Treasurer, Tuscarora
Incorporated, 800 Fifth Avenue, New Brighton, Pennsylvania 15066.

(b)  Reports on Form 8-K:

     No current reports on Form 8-K were filed during the fiscal quarter ended
August 31, 1999.

                                      -24-
<PAGE>   26


                                   SIGNATURES

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

                                   Tuscarora Incorporated



                                   By /s/  John P. O'Leary, Jr.
                                     --------------------------
                                           John P. O'Leary, Jr., President
                                           and Chief Executive Officer

Date:  November 24, 1999

                  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 Company in the capacities indicated on November 24, 1999:



/s/ John P. O'Leary, Jr.             /s/ Brian C. Mullins
------------------------             --------------------
    John P. O'Leary, Jr.               Brian C. Mullins
    (Director and Chief              (Principal Financial
    Executive Officer)               Officer and Principal
                                      Accounting Officer)


Thomas S. Blair
David I. Cohen
Abe Farkas
Karen L. Farkas
Robert W. Kampmeinert
Jeffery L. Leininger
David C. O'Leary
Harold F. Reed, Jr. and
Thomas P. Woolaway,
Directors


By /s/ Brian C. Mullins
   --------------------
       Brian C. Mullins,
       Attorney-in-Fact




                                      -25-
<PAGE>   27


<TABLE>
<CAPTION>


                             TUSCARORA INCORPORATED
                         Schedule II - Valuation Account
                   Years Ended August 31, 1999, 1998 and 1997

                              Balance at      Charged to                     Balance at
                              Beginning       Costs and                         End
   Description                of Period       Expenses      Deductions(1)    of Period
   -----------               ------------    -----------   --------------   -----------
<S>                            <C>          <C>              <C>              <C>
Allowance for
doubtful accounts

Year Ended
 August 31, 1999               $651,720        $145,319      $127,006         $670,033

Year Ended
 August 31, 1998               $674,689        $311,711      $334,680         $651,720

Year Ended
 August 31, 1997               $787,175        $586,582      $699,068         $674,689


</TABLE>




-------------------
(1) Uncollected receivables written off, net of recoveries.






                                      S-1
<PAGE>   28
                             TUSCARORA INCORPORATED


                Form 10-K for Fiscal Year Ended August 31, 1999


                                 Exhibit Index
                                 -------------

         The following exhibits are required to be filed with the annual report
on Form 10-K. Exhibits are incorporated herein by reference to other documents
pursuant to Rule 12b-23 under the Securities Exchange Act of 1934, as amended,
as indicated by the index. Exhibits not incorporated herein by reference follow
the index.

Exhibit
  No.                                   Document
-------     -------------------------------------------------------------------

3(i)        Restated Articles of Incorporation, as amended by the Company's
            shareholders of the Annual Meeting of Shareholders held on December
            17, 1998, and Statement with Respect to Shares of Series A Junior
            Participating Preferred Stock, filed as Exhibit 3(i) to the
            Company's quarterly report on Form 10-Q for the fiscal quarter ended
            November 30, 1998 and incorporated herein by reference.

3(ii)       By-Laws, as amended and restated by the Company's Board of Directors
            effective April 16, 1998, filed as Exhibit 3(ii) to the Company's
            annual report on Form 10-K for the fiscal year ended August 31, 1998
            and incorporated herein by reference.

4           Loan Agreement, dated September 23, 1999, by and among the Company,
            Mellon Bank, N.A., KeyBank National Association and Mellon Bank,
            N.A., as Agent, with copies of the Notes executed and delivered by
            the Company in connection with the Loan Agreement attached, filed
            herewith.

4.1         Shareholder Rights Agreement, dated August 17, 1998, between the
            Company and ChaseMellon Shareholder Services, L.L.C., as Rights
            Agent, filed as Exhibit 4 to the Company's current report on Form
            8-K filed on August 21, 1998 and incorporated herein by reference.

10.1        1989 Stock Incentive Plan, as amended by the Company's Board of
            Directors and shareholders effective December 15, 1994, filed as
            Exhibit 10.3 to the Company's annual report on Form 10-K for the
            fiscal year ended August 31, 1995 and incorporated herein by
            reference.*


<PAGE>   29


Exhibit
  No.                                   Document
-------     -------------------------------------------------------------------

10.2        1989 Stock Incentive Plan, as amended by the Company's Board of
            Directors effective August 31, 1996, filed as Exhibit 10.4 to the
            Company's annual report on Form 10-K for the fiscal year ended
            August 31, 1996 and incorporated herein by reference.*

10.3        1997 Stock Incentive Plan, as adopted by the Company's Board of
            Directors on October 17, 1997 and approved by the Company's
            shareholders on December 18, 1997, filed as Exhibit 10.4 to the
            Company's annual report on Form 10-K for the fiscal year ended
            August 31, 1998 and incorporated herein by reference.*

10.4        Common Stock Purchase Plan for Salaried Employees, as amended by the
            Company's Board of Directors on October 11, 1996, filed as Exhibit
            10.5 to the Company's annual report on Form 10-K for the fiscal year
            ended August 31, 1996 and incorporated herein by reference.*

10.5        Deferred Compensation Plan for Non-Employee Directors, as adopted by
            the Company's Board of Directors on December 14, 1994, filed as
            Exhibit 10.6 to the Company's quarterly report on Form 10-Q for the
            fiscal quarter ended February 28, 1995 and incorporated herein by
            reference.*

10.6        Retirement Policy and Plan for Non-Employee Directors, as amended by
            the Company's Board of Directors on December 14, 1994, filed as
            Exhibit 10.7 to the Company's quarterly report on Form 10-Q for the
            fiscal quarter ended February 28, 1995 and incorporated herein by
            reference.*

10.7        Written description of supplemental retirement benefit for Thomas P.
            Woolaway, filed as Exhibit 10.7 to the Company's annual report on
            Form 10-K for the fiscal year ended August 31, 1995 and incorporated
            herein by reference.*

10.8        First Amendment to the Tuscarora Incorporated and Subsidiary
            Companies Salaried Employees' Money Purchase Pension Plan, as
            adopted by the Company's Board of Directors on October 11, 1996,
            providing for additional employer contributions for certain of the
            Company's executive officers, filed as Exhibit 10.9 to the Company's
            annual report on Form 10-K for the fiscal year ended August 31, 1996
            and incorporated herein by reference.*


                                      -2-


<PAGE>   30
Exhibit
  No.                                   Document
-------     -------------------------------------------------------------------
10.9        Tuscarora Incorporated Supplemental Executive Retirement Plan, as
            adopted by the Company's Board of Directors on February 9, 1996, and
            related Consent of the Company's Compensation Committee, dated
            October 11, 1996, designating certain of the Company's executive
            officers as Plan participants, and form of Participation Agreement,
            filed as Exhibit 10.10 to the Company's annual report on Form 10-K
            for the fiscal year ended August 31, 1996 and incorporated herein by
            reference.*


10.10       Indemnification and Insurance Agreement, dated December 15, 1994,
            between the Company and Robert W. Kampmeinert (substantially
            identical agreements have been entered into with all the Company's
            present directors), filed as Exhibit 10.11 to the Company's annual
            report on Form 10-K for the fiscal year ended August 31, 1998 and
            incorporated herein by reference.

13          Those portions of the Annual Report to Shareholders for the fiscal
            year ended August 31, 1999 which are expressly incorporated in this
            annual report by reference, filed herewith.

21          List of subsidiaries of the Company, filed herewith.

23          Consent of Ernst & Young LLP, filed herewith.

24          Powers of Attorney, filed herewith.

27          Financial Data Schedule for the fiscal year ended August 31, 1999,
            filed herewith.



------------------
     *   Management contract or compensatory plan, contract or arrangement
         required to be filed by Item 601(b) (10) (iii) of Regulation S-K.




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