ESCO Technologies
ESE
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SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

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

FORM 10-K


[X] ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE
SECURITIES EXCHANGE ACT OF 1934
For the fiscal year ended September 30, 1998

OR

[ ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE
SECURITIES EXCHANGE ACT OF 1934
For the transition period _________ to _________

Commission file number: 1-10596

ESCO Electronics Corporation
(EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER)


Missouri 43-1554045
(STATE OR OTHER JURISDICTION (I.R.S. EMPLOYER
OF INCORPORATION OR ORGANIZATION) IDENTIFICATION NO.)

8888 Ladue Road, Ste. 200
St. Louis, Missouri 63124-2090
(ADDRESS OF PRINCIPAL EXECUTIVE OFFICES) (ZIP CODE)

REGISTRANT'S TELEPHONE NUMBER, INCLUDING AREA CODE:

(314) 213-7200


SECURITIES REGISTERED PURSUANT TO SECTION 12(b) OF THE ACT:

Name of Each
Exchange on
Title of Each Class Which Registered
------------------- ----------------

Common Stock Trust Receipts New York Stock
Exchange, Inc.

Common Stock, par value $0.01 per New York Stock
share Exchange, Inc.

Preferred Stock Purchase Rights New York Stock
Exchange, Inc.




(Cover page 1 of 2 pages)
2

SECURITIES REGISTERED PURSUANT TO SECTION 12(g) OF THE ACT:

None


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 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 registrant's knowledge, in definitive proxy or information statements
incorporated by reference in Part III of this Form l0-K or any amendment to
this Form l0-K. [X]

Aggregate market value of the Common Stock Trust Receipts held by non-affiliates
of the registrant as of close of business on December 18, 1998:
$104,266,488.*


* For purpose of this calculation only, without
determining whether the following are affiliates of the
registrant, the registrant has assumed that (i) its
directors and executive officers are affiliates, and (ii)
no party who has filed a Schedule 13D or 13G is an affiliate.


Number of Common Stock Trust Receipts outstanding at December 18, 1998:
12,267,321 Receipts.


DOCUMENTS INCORPORATED BY REFERENCE:

1. Portions of the registrant's Annual Report to Stockholders for fiscal year
ended September 30, 1998 (the "1998 Annual Report") (Parts I and II).

2. Portions of the registrant's Proxy Statement dated December 4, 1998 (Part
III).



















(Cover page 2 of 2 pages)
3



ESCO ELECTRONICS CORPORATION
INDEX TO ANNUAL REPORT ON FORM 10-K



Item Description Page
--------------------------------------------------------------- ----

Part I

1. Business .............................................. 1

The Company .......................................... 1
Products ............................................. 1
Marketing and Sales .................................. 4
Government Defense Contracts ......................... 5
Intellectual Property ................................ 6
Backlog .............................................. 7
Purchased Components and Raw Materials ............... 7
Competition .......................................... 7
Research and Development ............................. 8
Environmental Matters ................................ 8
Employees ............................................ 9
Financing ............................................ 9
History of the Business .............................. 9
Forward-Looking Information .......................... 10

2. Properties ............................................ 11

3. Legal Proceedings ..................................... 12

4. Submission of Matters to a Vote of Security Holders ... 13

Executive Officers of the Registrant .......................... 13



Part II

5. Market for the Registrant's Common Equity and Related
Stockholder Matters ................................... 13

6. Selected Financial Data ............................... 14

7. Management's Discussion and Analysis of Financial
Condition and Results of Operations ................... 14

7A. Quantitative and Qualitative Disclosures About
Market Risk ........................................... 14

8. Financial Statements and Supplementary Data ........... 14

9. Changes in and Disagreements with Accountants on
Accounting and Financial Disclosure ................... 14





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Item Description Page
- ---- ----------- ----

Part III

10. Directors and Executive Officers of the Registrant .... 14

11. Executive Compensation ................................ 14

12. Security Ownership of Certain Beneficial Owners and
Management ............................................ 15

13. Certain Relationships and Related Transactions ........ 15


Part IV

14. Exhibits, Financial Statement Schedules, and Reports
on Form 8-K ........................................... 15

SIGNATURES ...................................................... 20

INDEX TO EXHIBITS ............................................... 21





























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PART I

ITEM 1. BUSINESS

THE COMPANY

ESCO Electronics Corporation ("ESCO") is a holding company for the
following-listed operating subsidiaries: Distribution Control Systems, Inc.
("DCSI"), EMC Test Systems, L.P. ("ETS"), Euroshield OY, Filtertek Inc.
("Filtertek"), Filtertek BV, Filtertek de Puerto Rico, Inc., Filtertek SA, PTI
Technologies Inc. ("PTI"), PTI Advanced Filtration Inc. ("PTI Advanced"), PTI
Technologies Limited ("PTI Limited"), Rantec Microwave & Electronics, Inc.
("Rantec"), Systems & Electronics Inc. ("SEI"), and VACCO Industries ("VACCO").
These operating subsidiaries are subsidiaries of Defense Holding Corp.
("DHC"), a wholly-owned direct subsidiary of ESCO. ESCO and its direct and
indirect subsidiaries are hereinafter referred to collectively as the
"Company".

The above-listed operating subsidiaries are engaged in the research,
development, manufacture, sale and support of a wide variety of commercial and
defense systems and products. Commercial items are supplied to a variety of
customers worldwide. Defense items principally are supplied to the United States
Government under prime contracts with the Army, Navy and Air Force and under
subcontracts with their prime contractors, and are also sold to foreign
customers. The Company's businesses are subject to a number of risks and
uncertainties, including without limitation those discussed below. See Item 3.
"Legal Proceedings" and "Management's Discussion and Analysis" appearing in the
1998 Annual Report.

On December 31, 1997, ESCO acquired Euroshield OY, a company located in
Eura, Finland. On July 1, 1998, ESCO acquired Advanced Membrane Technology,
Inc., based in San Diego, California, and renamed that company "PTI Advanced
Filtration Inc."


PRODUCTS

The Company operates in two principal industry segments: commercial and
defense. See Note 11 of the Notes to Consolidated Financial Statements in the
1998 Annual Report, which Note is herein incorporated by reference.


COMMERCIAL PRODUCTS
-------------------

The Company's commercial products are described below.


FILTRATION/FLUID FLOW
---------------------

PTI, PTI Advanced and PTI Limited develop and manufacture a wide range of
filtration products. PTI is a leading supplier of filters to the commercial
aerospace market. PTI's industrial business includes the supply of filtration
solutions to the industrial and mobile fluid power markets and petrochemical
processing industry. PTI also manufactures microfiltration products used in a
variety of commercial markets and applications. The filtration membranes for
many of these applications are, or will be, produced by PTI Advanced, which also
supplies filtration systems for use in the dairy industry and in industrial
paint operations. PTI Limited manufactures and distributes filter products
primarily in the European industrial marketplace. In fiscal year 1998, PTI
formed a joint venture in India, known as "SANMAR-PTI Filters Limited," with
SANMAR Engineering Corporation to manufacture and sell filtration products for
the Indian and other international markets. VACCO and PTI jointly develop and
manufacture industrial filtration elements and systems primarily

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used within the petrochemical and nuclear industries, where a premium is placed
on superior performance in a harsh environment. VACCO supplies latch valves,
check valves and filters to the aerospace industry, primarily for use in
satellite propulsion systems. VACCO also uses its etched disk technology to
produce quiet valves and manifolds for U.S. Navy applications.

Filtertek develops and manufactures a broad range of high-volume, original
equipment manufacturer ("OEM") filtration products at its facilities in North
America, South America and Europe. Filtertek's products, which are centered
around its insert injection-molding technology wherein a filter medium is
inserted into the tooling prior to injection-molding of the filter housing, have
widespread applications in the medical and health care markets, automotive fluid
systems, and other commercial and industrial markets. A typical application can
require daily production of many thousands of units, at very high levels of
quality, and is generally produced in highly-automated manufacturing cells. Many
of Filtertek's products are patented or incorporate proprietary product or
process design, or both. In fiscal year 1998, Filtertek introduced a number of
new products, including an automotive transmission sump filter and products for
medical intravenous ("I.V.") application. Products with applications in water
filtration, blood filtration and fuel filtration are nearing completion of
development, with market introduction planned in fiscal year 1999.


COMMUNICATIONS/TEST
-------------------

ETS designs and manufactures electromagnetic compatibility ("EMC") test
equipment. It also supplies controlled radio frequency testing environments
(anechoic chambers), shielded rooms for high security data processing and secure
communication, and electromagnetic absorption materials. ETS's products include
antennas, antenna masts, turntables, current probes, field probes, TEM
(transverse electromagnetic) cells, GTEM (gigahertz transverse electromagnetic)
cells, shielded rooms and boxes, microwave absorber, calibration equipment and
other test accessories required to do EMC testing. ETS also provides all the
design, program management and integration services required to supply customers
with turnkey EMC solutions. Euroshield OY designs and manufactures a broad range
of modular shielding systems and shielded doors, some of which are proprietary,
for the world market. It also provides the design, program management and
integration services to supply the European market with turnkey EMC solutions.

DCSI is a leading manufacturer of two-way power line communication systems
for the utility industry. These systems provide the electric utilities with a
patented communication technology for demand-side management, distribution
automation, and automatic meter reading capabilities, thus improving the
efficiency of power delivery to the consumer of electric energy. In fiscal year
1998, DCSI, through its Puerto Rican subsidiary, received orders in excess of
$50 million from Puerto Rico Electric Power Authority for the first phase of an
automatic meter reading system. Although there is no guaranty of additional
orders, future island-wide implementation of this system is expected to result
in a total project value in excess of $100 million extending over a 5-8 year
time period.

Rantec designs and manufactures antennas and antenna feeds for wireless
communications applications, including an electronically-scanned antenna used
for control and navigation of air traffic. Rantec has developed and produced a
commercial satellite cross-link antenna for use on the IRIDIUM1 system, a
fully-operational global telephone system. Rantec also produces satellite
antenna systems for use on commercial aircraft for in-flight entertainment, both
audio and video. In addition, Rantec has developed and is currently supplying
antennas for local multi-point distribution system ("LMDS") communications.

Rantec is currently developing power supplies for use in the
telecommunications market.


___________________________

1IRIDIUM is a registered trademark and service mark of IRIDIUM LLC.

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OTHER INDUSTRIAL /GOVERNMENT PRODUCTS
-------------------------------------

SEI supplies electronic sorting and material handling equipment to the
United States Postal Service and other customers.

Rantec designs and manufactures various power supplies, principally for
high resolution computer and avionics displays and other industrial and medical
equipment. In fiscal year 1998, Rantec began deliveries of a miniaturized, high
voltage power supply for the emerging field emissive display market.

Filtertek, through its Tek Packaging Division, produces special thermoform
packaging for the medical, electronics, commercial and retail markets.

The Comtrak Division of SEI has applied its expertise in image processing
and target recognition to develop a proprietary video security monitoring system
which should have applications in commercial and industrial security systems.
Currently, Comtrak is working jointly with ADT Security Services, Inc. to field
test this sytem, and initial sales are expected in fiscal year 1999. Comtrak
also has extensive experience in the design and manufacture of location systems.
Comtrak used this technological expertise to develop a vehicle location,
tracking and communications system which will have applications in theft
deterrence, fleet management and messaging communications.


DEFENSE PRODUCTS
----------------

The Company's defense products are described below. Current activity
includes the development of new products as well as production of existing
products and support in the form of spare parts and service.


DEFENSE ELECTRONICS
-------------------

Defense electronics equipment is designed and manufactured by SEI and
Rantec. These subsidiaries primarily produce a diverse mix of military equipment
which includes, but is not limited to, the following product lines:

* SEI designs and manufactures launching and guidance systems (fire
support systems) utilizing electro-optic technology for anti-armor
missiles. These systems are manufactured in differing configurations
for installation on a variety of helicopters, armored vehicles and
light wheeled vehicles. SEI has also developed the Mission Equipment
Package ("MEP") for the Bradley Fire Support Team Vehicle ("BFIST"),
which is used to direct artillery fire, locate enemy targets and
provide vehicle self-location. In fiscal year 1997, SEI was awarded a
contract for the Army's new "STRIKER" system, a program that
integrates the BFIST MEP and an advanced surveillance sensor package
on the High-mobility Multi-purpose Wheeled Vehicle ("HUMVEE"). In May
1998, SEI delivered the first STRIKER system to the U.S. Army.
STRIKER is expected to have a number of applications in the ground
forces of the U.S. and its allies.

* SEI produces airborne radar systems for ground mapping, weather
imaging, terrain following and fire control applications. All of these
products have completed the production phase and are currently being
upgraded or are in the spares support phase.

* SEI also supplies a lightweight Man-portable Surveillance and Target
Acquisition Radar ("MSTAR") that detects and classifies moving
personnel, vehicles, low-flying aircraft and artillery round impact.
MSTAR has multiple applications as a stand-alone radar and as the radar
component of an integrated sensor suite.

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* Automatic test equipment ("ATE") for ground support of radar and other
avionics equipment is also produced by SEI. SEI is currently developing a
High Power Device Test ("HPDT") system which will be a part of the U.S.
Navy's family of avionics test equipment. In addition, Mobile Electronic
Test Sets ("METS") that are utilized for testing equipment on high
performance fighter aircraft and specialized military transport aircraft
are being upgraded or are in the spares support phase. SEI also provides
interface adapters and test program software to meet the needs of each
particular unit under test.

* Rantec produces microwave antennas and antenna mounting and positioning
systems for airborne radar, missile guidance, electronic warfare,
military air traffic control and communications. Rantec also produces
power systems for use in electronic warfare and cockpit display
systems.

DEFENSE SYSTEMS
---------------

SEI supplies light, medium and heavy transportation systems and weapon
subsystems to the armed forces. Currently in production is a multiple-wheeled
trailer with individually-steerable axles for transporting battle tanks and
other large loads (the "M1000"). SEI also supplies high-capacity aircraft cargo
loaders which aid in rapid tactical and strategic deployment. The first
production deliveries of the 60,000 pound capacity Tunner aircraft cargo loader
developed for the U.S. Air Force were made in late fiscal year 1997. In fiscal
year 1998, this loader completed the U.S. Air Force Initial Operational Test and
Evaluation, and 38 loaders have been delivered to date. The total Air Force
requirement for the loader is expected to exceed 300 units, making this loader
an important program at SEI for the foreseeable future. However, although this
is a high-priority Air Force program, there can be no assurance that orders will
be placed to meet this requirement. SEI also produces light and heavy tactical
bridging systems.


MARKETING AND SALES

The Company's commercial products generally are distributed to OEMs and
aftermarket users through a domestic and foreign network of distributors, sales
representatives and factory salespersons. Utility communication systems are sold
directly to the electric utilities.

The Company's defense products predominantly are sold directly or
indirectly to the U.S. Government under contracts with the Army, Navy and Air
Force and subcontracts with prime contractors of such entities. Direct and
indirect sales to the U.S. Government accounted for approximately 41%, 44%, and
53% of the Company's total sales in the fiscal years ended September 30, 1998,
1997 and 1996, respectively. The percentage figure for fiscal year 1996 includes
16% attributable to U.S. Government sales of Hazeltine Corporation, a former
subsidiary of ESCO which was sold to GEC-Marconi Electronic Systems Corporation
("GEC-Marconi") in July 1996. See Notes 2 and 11 of the Notes to Consolidated
Financial Statements in the 1998 Annual Report, which Notes are herein
incorporated by reference.

For its defense products, the Company maintains a domestic field
marketing/sales network with offices located in the Washington, D.C. area and at
several major U.S. Government defense procurement centers. The Washington, D.C.
office carries out legislative activities, and conducts customer liaison
activities with all branches of the U.S. armed services and with foreign
government offices in the Washington, D.C. area. The primary responsibility for
individual products or programs is handled within the product line
organizations, with the field organization providing closely coordinated
assistance.

International sales accounted for approximately 16%, 18% and 33% of the
Company's total sales in the fiscal years ended September 30, 1998, 1997 and
1996, respectively. The decrease in fiscal year 1998 was primarily due to lower
Far East sales at SEI, partially offset by increased European sales at
Filtertek. The decrease in fiscal year 1997 was primarily due to the divestiture
of Hazeltine and lower

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Middle East sales at SEI. Hazeltine's international sales in the fiscal year
ended September 30, 1996 amounted to 13% of the Company's total sales. See Notes
2 and 11 of the Notes to Consolidated Financial Statements in the 1998 Annual
Report. The majority of these international sales involve defense products.
Since most of the Company's foreign export sales involve technologically
advanced products, services and expertise, U.S. export control regulations limit
the types of products and services that may be offered and the countries and
governments to which sales may be made. The Department of State issues and
maintains the International Traffic in Arms Regulations pursuant to the Arms
Export Control Act. Pursuant to these regulations, certain products and services
cannot be exported without obtaining a license from the Department of State.
Most of the defense products that the Company sells abroad cannot be sold
without such a license. Consequently, the Company's international sales may be
adversely affected by changes in the U.S. Government's export policy or by any
suspension or revocation of the Company's foreign export control licenses.

In addition, the Company's international sales are subject to risks
inherent in foreign commerce, including currency fluctuations and devaluations,
the risk of war, changes in foreign governments and their policies, differences
in foreign laws, uncertainties as to enforcement of contract rights, and
difficulties in negotiating and litigating with foreign sovereigns.


GOVERNMENT DEFENSE CONTRACTS

A portion of the Company's defense contracts with the U.S. Government and
subcontracts with prime contractors of the U.S. Government are firm fixed-price
contracts. Under firm fixed-price contracts, work is performed and paid for at a
fixed amount without adjustment for the actual costs experienced in connection
with the contracts. Therefore, unless the customer actually or constructively
alters or impedes the work performed, all risk of loss due to cost overruns is
borne by the Company. All Government prime contracts and virtually all of the
Company's subcontracts provide that they may be terminated at the convenience of
the Government. Upon such termination, the Company is normally entitled to
receive the purchase price for delivered items, reimbursement for allowable
costs incurred and allocable to the contract (which do not include many ordinary
costs of doing business in a commercial context) and an allowance for profit on
the allowable costs incurred or adjustment for loss if completion of performance
would have resulted in a loss. The Company is also normally entitled to
reimbursement of the cost it incurs to prepare and to negotiate a settlement of
the termination for convenience.

In addition, the Company's prime and subcontracts provide for termination
for default if the Company fails to perform or breaches a material obligation.
In the event of a termination for default, the customer may have the unilateral
right at any time to require the Company to return unliquidated progress
payments pending final resolution of the propriety of the termination for
default. If the customer purchases the same or similar products from a third
party, the Company may also have to pay the excess, if any, of the cost of
purchasing the substitute items over the contract price in the terminated
contract. A customer, if it has suffered other ascertainable damages as a result
of a sustained default, could demand payment of such damages by the Company.

The Company incurs significant work-in-progress costs in the performance of
U.S. Government contracts. However, the Company is usually entitled to invoice
the Government for monthly progress payments. The current progress payment rate
is 75%; however, there is no assurance that this rate will not change in the
future. Any reduction in the rate would increase the amount of working capital
required for these contracts. The Government does not recognize interest expense
as an allowable contract expenditure; therefore, a progress payment rate
decrease may have an adverse effect on the Company's cash flow and
profitability.

The Company's backlog includes firm fixed-price U.S. Government contracts,
development

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programs and production programs in their early phases. These programs have
inherently high risks associated with design, first article testing and customer
acceptance. The profitability of such programs cannot be assured, and they could
represent exposure to the Company. In the event of development or production
problems that are not actually or constructively caused by the customer, the
Company would have the responsibility for proposing and providing curative
action with no additional compensation. In the event the customer does not
accept the curative action or the curative action does not succeed, the contract
could be terminated for default.

In connection with the Company's U.S. Government business, the Company is
also subject to Government investigations of its policies, procedures and
internal controls for compliance with procurement regulations and applicable
laws. The Company may be subject to downward contract price adjustments, refund
obligations or civil and criminal penalties, and suspension or debarment from
Government contracting. It is the Company's policy to cooperate with the
Government in any investigations of which it has knowledge, but the outcome of
any such Government investigations cannot be predicted with certainty.

As a U.S. Government contractor, the Company faces additional risks,
including dependence on Congressional appropriations and administrative
allotment of funds, changes in Governmental policies which may reflect military
and political developments, substantial time and effort required for design and
development, significant changes in contract scheduling, complexity of designs
and the rapidity with which products become obsolete due to technological
advances, constant necessity for design improvements, intense competition for
available Government business, and difficulty of forecasting costs and schedules
when bidding on developmental and highly sophisticated technical work (possibly
resulting in unforeseen technological difficulties and/or cost overruns).
Foreign sales involve additional risks due to possible changes in economic and
political conditions. See "Marketing and Sales" above.

As a U.S. Government contractor, the Company's recognition of revenue is
based upon certain accounting policies described in Notes 1(d) and 1(f) of the
Notes to Consolidated Financial Statements in the 1998 Annual Report, which
Notes are herein incorporated by reference. The Company's revenues are impacted
by the timing of the receipt of orders during the year, which may cause
fluctuations in quarterly sales comparisons on a year-to-year basis. The Company
periodically reviews contracts in the ordinary course to ascertain if customer
actions or inactions have caused or will cause increased costs. In the past, the
Company has submitted requests for equitable adjustments ("REAs") and claims
seeking additional compensation, which involved substantial amounts of money.
Currently, the Company has no such REAs or claims outstanding. However, in the
future, to the extent any such REAs and claims are finally resolved for less
than the amounts anticipated, the Company's financial position and operating
results could be adversely affected.


INTELLECTUAL PROPERTY

The Company owns or has other rights in various forms of intellectual
property (i.e., patents, trademarks, copyrights, mask works and other items).
However, the Company believes that, although in its commercial business certain
patents are significant with respect to certain products, currently its
business, taken as a whole, is not materially dependent on intellectual property
rights. With respect to patents in particular, most of the Company's U.S.
Government contracts authorize it to use U.S. patents owned by others if
necessary in performing such contracts. Corresponding provisions in Government
contracts awarded to other companies make it impossible for the Company to
prevent others from using its patents in most domestic defense work. As the
Company expands its presence in commercial markets, it is placing a greater
emphasis on developing intellectual property and protecting its rights therein.

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BACKLOG

The backlog of firm orders was approximately $292.7 million at September
30, 1998 and approximately $225.0 million at September 30, 1997. As of September
30, 1998, it is estimated that: (i) commercial business accounted for
approximately 57% of the firm orders and defense business accounted for
approximately 43%, and (ii) domestic customers accounted for approximately 85%
of the firm orders and foreign customers accounted for approximately 15%. Of the
total backlog of orders at September 30, 1998, approximately 80% (including all
commercial orders) is expected to be completed in the fiscal year ending
September 30, 1999.


PURCHASED COMPONENTS AND RAW MATERIALS

The Company's products require a wide variety of components and materials.
Although the Company has multiple sources of supply for most of its material
requirements, certain components are supplied by sole-source vendors, and the
Company's ability to perform certain contracts depends on their performance. In
the past, these required raw materials and various purchased components
generally have been available in sufficient quantities.


COMPETITION

The Company faces intense competition from a large number of firms for
nearly all of its products. Although the Company is a leading supplier in
several of the markets it serves, the Company maintains a relatively small share
of the business in many of the markets in which it participates. Because of the
diversity and specialized nature of the Company's products, it is impossible to
state precisely its competitive position with respect to each of its products.
Substantial efforts are required in order to maintain existing business levels.
In filtration/ fluid flow, EMC test and commercial communications markets,
competition is driven primarily by quality, price, technology and delivery
performance. The principal competitive factors in the defense markets are price,
service, quality, technical expertise and the ability to design and manufacture
products to desired specifications. For most of its defense products and many of
its commercial products, the Company's competitors are larger and have greater
financial resources than the Company. As defense budgets decline, larger prime
contractors may retain work which previously would have been subcontracted.

Competition in the Company's commercial markets is broadly based, and
global in scope. Individual competitors range in size from annual revenues of
less than $1 million to billion dollar enterprises, such as Pall Corporation, a
major competitor in the filtration/fluid flow market. While the Company's
commercial markets generally enjoy greater growth prospects than the defense
markets, competition can be equally intense, particularly during periods of
economic slowdown.

The reduced military threat posed by the former Soviet Union and the
continued domestic pressure to balance the Federal budget have led to reductions
in U.S. defense spending for military equipment. These reductions have resulted
in consolidations within the defense industry. In addition, the U.S.
Government's increasing willingness to purchase commercial products where
feasible has introduced new competitors in traditional defense markets. Further,
the U.S. Government's adoption of the Foreign Comparison Test program, wherein
the Government evaluates foreign products as a potential alternative to products
developed by U.S. suppliers, has increased competitive pressures in these
markets. These factors have all contributed to a highly competitive marketplace
for defense products. In the international defense markets, the continuing
decline in business in most areas in which the Company participates together
with the globalization of competition have resulted in a highly competitive
environment. However, the Company's strategy of forming alliances with several
foreign companies should result in strengthening

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the Company's competitive position in these markets as well as domestic markets.
Political factors also enter into foreign sales, including a foreign
government's evaluation of the Company's willingness to subcontract work content
to companies located in the foreign country involved.

The Company recognizes that domestic and international defense markets may
continue to decline, which would result in even stronger competitive pressures.
This trend could adversely affect the Company's future results unless offset by
greater foreign sales or new programs or products. The Company's on-going
commercial diversification program should allow the Company to continue to
reduce its dependence on its defense business and may alleviate some of the
downward pressure on sales from the increased defense market competition.


RESEARCH AND DEVELOPMENT

Research and development and the Company's technological expertise are
important factors in the Company's business. Research and development programs
are designed to develop technology for new products or to extend or upgrade the
capability of existing products and to assess their commercial potential.

In addition to its work under development contracts, the Company performs
research and development at its own expense. For the fiscal years ended
September 30,1998, 1997 and 1996, total Company-sponsored research and
development expenses were approximately $5.9 million, $6.2 million and $11.9
million, respectively. Company-sponsored research and development expenses
attributable to Hazeltine were approximately $6.1 million for the fiscal year
ended September 30, 1996. Total customer-sponsored research and development
expenses were approximately $10.2 million, $6.3 million and $3.9 million for the
fiscal years ended September 30, 1998, 1997 and 1996, respectively. Such
customer-sponsored expenses attributable to Hazeltine were approximately $3.9
million for the fiscal year ended September 30, 1996. The increase in fiscal
year 1998 for customer-sponsored research and development expenses was due to
the increased activity at Rantec and Filtertek. The increase in fiscal year 1997
for such research and development expenses was due to the acquisition of
Filtertek and increased activity at Rantec.


ENVIRONMENTAL MATTERS

The Company is involved in various stages of investigation and cleanup
relating to environmental matters. These matters primarily relate to Company
facilities located in Newbury Park, California and Riverhead, New York. Textron,
Inc. has indemnified the Company in respect of the cleanup expenses at the
Newbury Park facility. In connection with the sale of Hazeltine, the Company
retained ownership of the Riverhead facility (which is currently vacant), and
agreed to indemnify Hazeltine and GEC-Marconi against certain environmental
remediation expenses related to Hazeltine's facility at Quincy, Massachusetts.
The Company is also involved in the remediation of off-site waste disposal
facilities located in Winter Park, Florida and Jackson County, Arkansas, with
regard to both of which the Company is one of a number of potentially
responsible parties, and thus bears a proportionate share of the total
remediation expenses. It is very difficult to estimate the potential costs of
such matters and the possible impact of these costs on the Company at this time
due in part to: the uncertainty regarding the extent of pollution; the
complexity of Government laws and regulations and their interpretations; the
varying costs and effectiveness of alternative cleanup technologies and methods;
the uncertain level of insurance or other types of cost recovery; and in the
case of off-site waste disposal facilities, the uncertain level of the Company's
relative involvement and the possibility of joint and several liability with
other contributors under applicable law. Based on information currently
available, the Company does not believe that the aggregate costs involved in the
resolution of these environmental matters will have a material adverse

8
13



effect on the Company's financial statements. See Item 3. "Legal Proceedings".


EMPLOYEES

As of October 31, 1998, the Company employed approximately 3,550 persons.
Approximately 420 of the Company's employees are covered by a collective
bargaining agreement, which expires in fiscal year 2000.


FINANCING

The Company has a credit agreement, which has been amended and restated as
of February 7, 1997, and further amended as of May 6, 1997, November 21, 1997
and June 29, 1998, for a $59 million term loan, amortizing at $2 million per
quarter through maturity, and a $73 million revolving credit facility (together
the "Credit Facilities") with a group of seven banks agented by Morgan Guaranty
Trust Company of New York. The Credit Facilities will mature and expire on
September 30, 2000, and contain customary events of default, including change in
control of the Company. In addition, under the Credit Facilities an event of
default would occur if, for any reason other than payment or performance in
accordance with the terms of one of the Company's contracts guaranteed by
Emerson as referenced in the following section, Emerson shall cease to be liable
under its guarantees with respect to any such contract. See "History Of The
Business" below, "Management's Discussion and Analysis--Capital Resources and
Liquidity" in the 1998 Annual Report, and Notes 7 and 12 of the Notes to
Consolidated Financial Statements in the 1998 Annual Report, which Notes are
herein incorporated by reference.


HISTORY OF THE BUSINESS

ESCO was incorporated in Missouri in August 1990 as a wholly-owned
subsidiary of Emerson Electric Co. ("Emerson") to be the holding company for
Electronics & Space Corp. ("E&S"), Hazeltine, Southwest Mobile Systems
Corporation ("Southwest"), Rantec, VACCO and DCSI, which were then Emerson
subsidiaries. Ownership of ESCO and its subsidiaries was distributed on October
19, 1990 (the "Distribution Date") by Emerson to its shareholders through a
special distribution (the "Distribution"). On September 30, 1992, ESCO acquired
ownership of Textron Filtration Systems, Inc. from Textron, Inc. and renamed the
entity "PTI Technologies Inc." On March 12, 1993, ESCO acquired The
Electro-Mechanics Company, a privately held company, from its shareholders. On
December 1, 1993, ESCO acquired all outstanding stock of Schumacher Filters
Limited (located in England) from Kraftanlagen, AG of Germany, and renamed this
entity "PTI Technologies Limited". On December 29, 1994, ESCO acquired the
assets of Ray Proof North America, a division of Shielding Systems Corporation,
a subsidiary of Bairnco Corporation.

Effective September 30, 1995, E&S was merged into Southwest. Subsequently,
the latter entity's name was changed to Systems & Electronics Inc.

Effective October 19, 1995, the assets of EMCO, the assets acquired from
Ray Proof North America, and the assets comprising Rantec's California and
Oklahoma radio/frequency anechoics business were transferred to a newly-formed
Texas limited partnership, EMC Test Systems, L.P. ("ETS"). The sole general
partner of ETS is Rantec Commercial, Inc., a wholly-owned subsidiary of Rantec.
The sole limited partner of ETS is Rantec Holdings, Inc., a wholly-owned
subsidiary of Defense Holding Corp.

On July 22, 1996, ESCO sold 100% of the capital stock of Hazeltine to
GEC-Marconi. On February 7, 1997, ESCO acquired the filtration products and the
thermoform packaging businesses ("Filtertek") of

9
14



Schawk, Inc. On December 31, 1997, ESCO acquired the stock of Euroshield OY
(located in Finland), and on July 1, 1998, ESCO acquired the stock of Advanced
Membrane Technology, Inc. and renamed it "PTI Advanced Filtration Inc." See Note
2 of the Notes to Consolidated Financial Statements in the 1998 Annual Report.

By means of the Distribution, Emerson distributed one share of ESCO's
common stock, par value $0.01 per share (the "Common Stock"), for every 20
shares of Emerson common stock owned on October 5, 1990. Pursuant to a Deposit
and Trust Agreement (the "Deposit and Trust Agreement") by and among Emerson,
ESCO and Boatmen's Trust Company, as voting trustee, in lieu of receiving a
share of Common Stock on the Distribution Date, each Emerson shareholder
received a Common Stock trust receipt (a "Receipt") representing the Common
Stock and its associated preferred stock purchase rights.

In connection with the Distribution, Emerson, ESCO and ESCO's subsidiaries
entered into various agreements which deal with, among other things, Emerson's
guarantee of certain contracts of ESCO's subsidiaries existing at September 30,
1990 pursuant to which ESCO paid Emerson a guarantee fee of $7.4 million per
year during the subsequent five (5) year period, which ended September 30, 1995
(as of September 30, 1998, the aggregate backlog of firm orders received by the
Company was approximately $292.7 million which included guaranteed contracts
totaling approximately $1.6 million, and there were open letters of credit with
an aggregate value of approximately $2.4 million related to foreign advance
payments in support of various contracts guaranteed by Emerson). See Note 12 of
the Notes to Consolidated Financial Statements in the 1998 Annual Report. Copies
of certain of these agreements, as well as the Deposit and Trust Agreement, are
incorporated by reference as exhibits to this Form 10-K.

Pursuant to the Deposit and Trust Agreement, if ESCO should fail in certain
circumstances to collateralize its obligation to indemnify Emerson with respect
to contracts that are directly or indirectly guaranteed by Emerson, Emerson
would have the right to direct the voting of the ESCO Common Stock represented
by the Receipts with respect to the election of directors (including changing
the size of the Board or removing directors and filling any vacancies). Emerson
has the right to require ESCO to provide collateral upon: (A) the occurrence of
certain events relating to such guaranteed contracts, including defaults; (B)
ESCO's failure to provide certain information, notices or consultation to
Emerson or to maintain certain financial ratios and covenants; (C) the
acquisition of beneficial ownership of 20% or more of the voting power of ESCO's
outstanding capital stock by any person or group; or (D) the divestiture by ESCO
of any business or assets which would constitute a significant subsidiary under
Regulation S-X of the Commission without the consent of Emerson. If Emerson
requires such collateral, it is uncertain whether ESCO would be able to provide
it in light of, among other things, the amount of collateral which would be
required to secure its obligations under the guaranteed contracts, which
obligations may continue even after completion of the contracts, and
restrictions in its financing arrangements unless a waiver is obtained from its
lenders. See "Financing" above and Note 8 of the Notes to Consolidated Financial
Statements in the 1998 Annual Report, which Note is herein incorporated by
reference.

Effective September 30, 1993, ESCO's Board of Directors authorized an
accounting readjustment of the Company's balance sheet in accordance with the
accounting provisions applicable to a "quasi-reorganization," an elective
accounting procedure intended to restate assets and liabilities to fair values
and to eliminate any accumulated deficit in retained earnings. See Note 1(b) of
the Notes to Consolidated Financial Statements in the 1998 Annual Report, which
Note is herein incorporated by reference.


FORWARD-LOOKING INFORMATION

The statements contained in this Item 1. "Business" and in Item 7.
"Management's Discussion and Analysis of Financial Condition and Results of
Operations" concerning the Company's future revenues, profitability, financial
resources, utilization of net deferred tax assets, costs of Year 2000
compliance,

10
15



product mix, production and deliveries, market demand, product development,
competitive position and statements containing phrases such as "believes",
"anticipates", "may", "could", "should", and "is expected to" are
forward-looking statements made pursuant to the safe harbor provisions of the
Private Securities Litigation Reform Act of 1995. The Company's actual results
in the future may differ materially from those projected in the forward-looking
statements due to risks and uncertainties that exist in the Company's operations
and business environment including, but not limited to: changing priorities or
reductions in the U.S. and worldwide defense budgets; termination of government
contracts due to unilateral government action; the Company's failure to perform
commercial or government contracts; delivery delays or defaults by customers;
performance issues with key suppliers and subcontractors; the Company's
successful execution of internal operating plans; and collective bargaining
labor disputes.


ITEM 2. PROPERTIES

The Company's principal buildings contain approximately 1,951,600 square
feet of floor space. Approximately 1,585,800 square feet are owned by the
Company and approximately 365,800 square feet are leased. Substantially all of
the Company's owned properties are encumbered in connection with the Company's
Credit Facilities. See Item 1. "Business--Financing" and Note 7 of the Notes to
Consolidated Financial Statements in the 1998 Annual Report. The principal
plants and offices are as follows:



<TABLE>
<CAPTION>
SIZE SQ. FT. PRINCIPAL USE
LOCATION (SQ. FT.) OWNED/LEASED (INDUSTRY SEGMENT)
-------- --------- ------------ ----------------
<S> <C> <C> <C>
West Plains, MO 395,300 Owned Manufacturing
(Defense and Commercial)

St. Louis, MO 260,500 Owned Management and Engineering
(Defense and Commercial)

Sanford, FL 172,200 Owned Manufacturing (Defense and
Commercial)

Newbury Park, CA 144,600 Leased Management, Engineering and
Manufacturing (Defense and
Commercial)

Huntley, IL 127,000 Owned Manufacturing (Commercial)

Patillas, PR 110,000 Owned Manufacturing (Commercial)

Durant, OK 100,000 Owned Manufacturing (Commercial)

Hebron, IL 99,800 Owned Management, Engineering and
Manufacturing (Commercial)

South El Monte, CA 80,800 Owned Management, Engineering and
Manufacturing (Defense and
Commercial)

Calabasas, CA 61,700 Owned Management, Engineering and
Manufacturing (Defense and
</TABLE>


11
16


<TABLE>
<S> <C> <C> <C>
Commercial)

Stockton, CA 55,000 Leased Manufacturing (Commercial)

Austin, TX 50,000 Leased Management, Engineering and
Manufacturing (Commercial)

Los Osos, CA 40,000 Owned Engineering and Manufacturing
(Defense and Commercial)

San Diego, CA 38,000 Leased Management, Engineering and
Manufacturing (Commercial)

Newcastle West, 37,000 Owned Manufacturing (Commercial)
Ireland

St. Louis, MO 35,000 Owned Management, Engineering and
Manufacturing (Commercial)

Juarez, Mexico 34,400 Leased Manufacturing (Defense and
Commercial)

Sheffield, England 33,500 Owned Management, Manufacturing and
Distributor (Commercial)

Plailly, France 33,000 Owned Manufacturing (Commercial)

Sao Paulo, Brazil 22,000 Leased Manufacturing (Commercial)

St. Louis, MO 21,800 Leased ESCO Headquarters (Defense and
Commercial)
</TABLE>


The Company believes its buildings, machinery and equipment have been
generally well maintained, are in good operating condition and are adequate for
the Company's current production requirements.


ITEM 3. LEGAL PROCEEDINGS

In August 1994, a class action lawsuit was filed by Ronald and Angela Aprea
and other persons against Hazeltine in the Supreme Court of the State of New
York, Suffolk County, alleging personal injury and property damage caused by
Hazeltine's purported releases of hazardous materials at Hazeltine's facility at
Greenlawn, New York. In connection with the sale of Hazeltine, the Company
indemnified Hazeltine and GEC-Marconi against expenses and potential liability
related to this suit. The suit seeks compensatory and punitive damages, and an
order enjoining Hazeltine from discharging further hazardous materials and for
Hazeltine to remediate all damage to the property of the plaintiffs. The Company
believes that no one and no property has been injured by any release of
hazardous materials from Hazeltine's facility. In fiscal year 1995, the Court
dismissed two counts of the complaint as a result of Hazeltine's motion to
dismiss, and the plaintiffs filed an amended complaint. The plaintiffs filed a
motion to be certified as a class, and, early in fiscal year 1997, the Court
denied this motion. The plaintiffs appealed, and the state appellate court
affirmed the denial in fiscal year 1998. Based upon current facts, the Company
is not able to estimate the probable outcome. Therefore,

12
17



no provision for this litigation has been made in the consolidated financial
statements in the 1998 Annual Report. Management believes the Company will be
successful in defending this action and that the outcome will not have a
material adverse effect on the Company's financial statements. See Note 13 of
the Notes to Consolidated Financial Statements in the 1998 Annual Report, which
Note is herein incorporated by reference. See also Item 1. "Business--Government
Defense Contracts" and "Business--Environmental Matters".


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

None.


EXECUTIVE OFFICERS OF THE REGISTRANT.

The following sets forth certain information as of December 13 , 1998 with
respect to ESCO's executive officers. These officers have been elected to terms
which expire at the first meeting of the Board of Directors after the next
annual meeting of stockholders.

Name Age Position(s)
---- --- -----------

Dennis J. Moore * 60 Chairman, President and Chief Executive Officer

Philip M. Ford 58 Senior Vice President and Chief Financial Officer

Walter Stark 55 Senior Vice President, Secretary and General
Counsel

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

* Also a director and Chairman of the Executive Committee of the Board of
Directors.

There are no family relationships among any of the executive officers and
directors.

Since October 1992, Mr. Moore has been Chairman, President and Chief
Executive Officer of ESCO.

Mr. Ford has been Senior Vice President and Chief Financial Officer of
ESCO since October 1, 1990.

Since October 1992, Mr. Stark has been Senior Vice President, Secretary
and General Counsel of ESCO.


PART II

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

The information required by this item is incorporated herein by reference
to Notes 7 and 8 of the Notes to Consolidated Financial Statements, "Common
Stock Market Prices" and "Shareholders' Summary--Capital Stock Information"
appearing in the 1998 Annual Report. A special cash distribution of $3.00 per
share was paid to Stockholders in September 1996. No other cash dividends have
been declared on the Common Stock underlying the Receipts, and ESCO does not
anticipate, currently or in the foreseeable future, paying cash dividends on the
Common Stock, although it reserves the right to do so to the extent permitted by
applicable law and agreements. ESCO's dividend policy will be reviewed by the
Board of Directors at such future time

13
18



as may be appropriate in light of relevant factors at that time, based on ESCO's
earnings and financial position and such other business considerations as the
Board deems relevant at that time.


ITEM 6. SELECTED FINANCIAL DATA

The information required by this item, with respect to selected financial
data, is incorporated herein by reference to "Five-Year Financial Summary" and
Note 2 of the Notes to Consolidated Financial Statements appearing in the 1998
Annual Report.


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

The information required by this item is incorporated herein by reference
to "Management's Discussion and Analysis" appearing in the 1998 Annual Report.


ITEM 7A. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

The information required by this item is incorporated herein by reference
to "Management's Discussion and Analysis - Capital Resources and Liquidity"
appearing in the 1998 Annual Report.


ITEM 8. FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

The information required by this item is incorporated herein by reference
to the Consolidated Financial Statements of the Company on pages 19 through 36
and the report thereon of KPMG Peat Marwick LLP, independent certified public
accountants, appearing on page 37 of the 1998 Annual Report.


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

None.


PART III

ITEM 10. DIRECTORS AND EXECUTIVE OFFICERS OF THE REGISTRANT

Information regarding nominees and directors appearing under "Nominees and
Continuing Directors" in ESCO's Notice of the Annual Meeting of the Stockholders
and Proxy Statement dated December 4, 1998 (the "1999 Proxy Statement") is
hereby incorporated by reference. Information regarding executive officers is
set forth in Part I of this Form 10-K.

Information appearing under "Section 16(a) Beneficial Ownership Reporting
Compliance" in the 1999 Proxy Statement is hereby incorporated by reference.


ITEM 11. EXECUTIVE COMPENSATION

Information appearing under "Board of Directors and Committees" and
"Executive Compensation" (except for the "Report of the Human Resources And
Ethics Committee On Executive Compensation" and

14
19



the "Performance Graph") in the 1999 Proxy Statement is hereby incorporated by
reference.


ITEM 12. SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT

The information regarding beneficial ownership of Receipts representing
shares of common stock by nominees and directors, by executive officers, by
directors and executive officers as a group and by any five percent stockholders
appearing under "Security Ownership of Management" and "Security Ownership of
Certain Beneficial Owners" in the 1999 Proxy Statement is hereby incorporated by
reference.


ITEM 13. CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS

None.


PART IV

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

(a) Documents filed as a part of this report:

1. The Consolidated Financial Statements of the Company on pages 19
through 36 and the Independent Auditors' Report thereon of KPMG Peat
Marwick LLP appearing on page 37 of the 1998 Annual Report.

2. Financial statement schedules have been omitted because the subject
matter is disclosed elsewhere in the financial statements and notes
thereto, not required or not applicable, or the amounts are not
sufficient to require submission.

3. Exhibits


<TABLE>
<CAPTION>
Filed Herewith or Incorporated by
Exhibit Reference to Document Indicated By
Number Description Footnote
------ ----------- --------
<S> <C> <C>
2(a)(i) Stock Purchase Agreement dated as of May Incorporated by Reference, Exhibit 2
23, 1996 between ESCO and GEC-Marconi [1]

2(a)(ii) First Amendment Agreement dated as of July
19, 1996 to Stock Purchase Agreement listed Incorporated by Reference, Exhibit 2
as Exhibit 2(a)(i) above [1]

2(b)(i) Acquisition Agreement dated December 18, Incorporated by Reference, Exhibit
1996 between the Company and Schawk, Inc. 2(a) [2]

2(b)(ii) First Amendment dated as of February 6, Incorporated by Reference, Exhibit
1998 to Acquisition Agreement listed as 2(b) [2]
Exhibit 2(b)(i) above
</TABLE>

15
20




<TABLE>
<S> <C> <C>

3(a) Restated Articles of Incorporation of ESCO Incorporated by Reference,
Exhibit 3.1 [3]

3(b) Bylaws of ESCO, as amended Incorporated by Reference,
Exhibit 3(b) [4]

4(a) Specimen certificate for ESCO's Common Stock Incorporated by Reference,
Trust Receipts Exhibit 4(a) [5]

4(b) Rights Agreement dated as of September 24, Incorporated by Reference,
1990 between ESCO and Boatmen's Trust Exhibit 4.2 [3]
Company, as


4(c)(i) Rights Agent Credit Agreement dated as of Incorporated by Reference,
September 23, 1990 (as amended and restated Exhibit 4 [2]
as of December 30, 1992, amended as of January
15, 1993, October 15, 1993 and November 29,
1993, amended and restated as of May 27, 1994,
amended as of August 5, 1994, amended and restated
as of September 29, 1995, amended as of June 6,
1996 and August 2, 1996, and amended and
restated as of February 7, 1997) among ESCO,
Defense Holding Corp., the Banks listed therein
and Morgan Guaranty Trust Company of New York,
as Agent

4(c)(ii) Amendment dated as of May 6, 1997 to Credit Incorporated by Reference, Exhibit
Agreement listed as Exhibit 4(c)(i) above 4(c)(ii)[6]

4(c)(iii) Amendment dated as of November 21, 1997 to Incorporated by Reference, Exhibit
Credit Agreement listed as Exhibit 4(c)(i) 4(c)(iii)[6]
above

4(c)(iv) Amendment dated as of June 29, 1998 to Incorporated by Reference, Exhibit
Credit Agreement listed as Exhibit 4(c)(i) 4[7]
above

No other long-term debt instruments are filed
since the total amount of securities authorized
under any such instrument does not exceed ten
percent of the total assets of ESCO and its
subsidiaries on a consolidated basis. ESCO
agrees to furnish a copy of such instruments to
the Securities and Exchange Commission upon
request.
</TABLE>

16
21




<TABLE>
<S> <C> <C>
4(d) Deposit and Trust Agreement dated as of Incorporated by Reference,
September 24, 1990 among ESCO, Emerson Exhibit 4.3 [3]
Electric Co., Boatmen's Trust Company,
as Trustee, and the holders of Receipts
from time to time

10(a) Distribution Agreement dated as of Incorporated by Reference,
September 24, 1990 by and among ESCO, Exhibit 2.1 [3]
Emerson Electric Co., and ESCO's direct
and indirect subsidiaries

10(b) Tax Agreement dated as of September 24, Incorporated by Reference,
1990 by and among ESCO, Emerson Electric Exhibit 2.2 [3]
Co., and ESCO's direct and indirect
subsidiaries

10(c)(i) 1990 Stock Option Plan* Incorporated by Reference,
Exhibit 10.3 [3]

10(c)(ii) Amendment to 1990 Stock Option Plan Incorporated by Reference,
dated as of September 4, 1996* Exhibit 10(c)(ii) [8]

10(d) Form of Incentive Stock Option Agreement* Incorporated by Reference,
Exhibit 10(g) [5]

10(e) Form of Incentive Stock Option Agreement Incorporated by Reference,
- Alternative* Exhibit 10(h) [5]

10(f) Form of Non-Qualified Stock Option Incorporated by Reference,
Agreement* Exhibit 10(i) [5]

10(g) Form of Split Dollar Agreement* Incorporated by Reference,
Exhibit 10(j) [4]

10(h) Form of Indemnification Agreement with Incorporated by Reference,
each of ESCO's directors. Exhibit 10(k) [4]

10(i) Stock Purchase Agreement dated as of Incorporated by Reference,
August 20, 1992 by and between Textron, Exhibit 10(l) [9]
Inc. and ESCO


10(j)(i) 1993 Performance Share Plan* Incorporated by Reference [10]

10(j)(ii) Amendment to 1993 Performance Share Incorporated by Reference,
Plan dated as of September 4, 1996* Exhibit 10(j)(ii) [8]

10(k) Supplemental Executive Retirement Plan Incorporated by Reference,
as amended and restated as of August 2, Exhibit 10(n) [11]
1993*

10(l)(i) Directors' Extended Compensation Plan* Incorporated by Reference,
Exhibit 10(o) [11]

10(l)(ii) Compensatory Arrangement with former Incorporated by Reference,
ESCO director* Exhibit 10(l)(ii) [8]

10(m)(i) 1994 Stock Option Plan* Incorporated by Reference [12]
</TABLE>

17
22




<TABLE>
<S> <C> <C>

10(m)(ii) Amendment to 1994 Stock Option Plan Incorporated by Reference,
dated as of September 4, 1996* Exhibit 10(m)(ii) [8]

10(n) Form of Incentive Stock Option Agreement* Incorporated by Reference,
Exhibit 10(n) [13]

10(o) Form of Non-Qualified Stock Option Incorporated by Reference,
Agreement* Exhibit 10(o) [13]

10(p) Severance Plan* Incorporated by Reference,
Exhibit 10(p)[13]

10(q) Performance Compensation Plan dated as Incorporated by Reference,
of August 2, 1993 (as amended and Exhibit 10(q) [8]
restated as of October 1, 1995)*

10(r) 1997 Performance Share Plan* Incorporated by Reference [14]

10(s) Notice Of Award--stock award to Incorporated by Reference, Exhibit
executive officer* 10(s)[6]

10(t) Notice of Award--stock award to executive Incorporated by Reference,
officer* Exhibit 10(a)[7]

10(u) Notice of Award--stock award to executive Incorporated by Reference,
officer* Exhibit 10(b)[7]

13 The following-listed sections of the
Annual Report to Stockholders for the
year ended September 30, 1998:
Five-Year Financial Summary (p. 38)
Management's Discussion and Analysis
(pgs. 12-18)
Consolidated Financial Statements (pgs.
19-36) and Independent Auditors' Report
(p. 37)
Shareholders' Summary--Capital Stock
Information (p. 39)
Common Stock Market Prices (p. 38)

21 Subsidiaries of ESCO

23 Independent Auditors' Consent

27 Financial Data Schedule
</TABLE>

[1] Incorporated by reference to Current Report on Form 8-K--date of
earliest event reported: July 22, 1996, at the Exhibit indicated

18
23


[2] Incorporated by reference to Form 10-Q for the fiscal quarter ended
December 31, 1996, at the Exhibit indicated

[3] Incorporated by reference to Registration Statement on Form 10, as
amended on Form 8 filed September 27, l990, at the Exhibit indicated

[4] Incorporated by reference to Form l0-K for the fiscal year ended
September 30, l991, at the Exhibit indicated

[5] Incorporated by reference to Form 10-K for the fiscal year ended
September 30, 1990, at the Exhibit indicated

[6] Incorporated by reference to Form 10-K for the fiscal year ended
September 30, 1997, at the Exhibit indicated.

[7] Incorporated by reference to Form 10-Q for the fiscal quarter ended June
30, 1998, at the Exhibit indicated.

[8] Incorporated by reference to Form 10-K for the fiscal year ended
September 30, 1996, at the Exhibit indicated.

[9] Incorporated by reference to Form 10-K for the fiscal year ended
September 30, 1992, at the Exhibit indicated

[10] Incorporated by reference to Notice of the Annual Meeting of the
Stockholders and Proxy Statement dated December 9, 1992

[11] Incorporated by reference to Form 10-K for the fiscal year ended
September 30, 1993, at the Exhibit indicated

[12] Incorporated by reference to Notice of the Annual Meeting of the
Stockholders and Proxy Statement dated December 8, 1994

[13] Incorporated by reference to Form 10-K for the fiscal year ended
September 30, 1995, at the Exhibit indicted

[14] Incorporated by reference to Notice of the Annual Meeting of the
Stockholders and Proxy Statement dated December 6, 1996.

* Represents a management contract or compensatory plan or arrangement
required to be filed as an exhibit to this Form 10-K pursuant to Item 14(c)
of this Part IV.


(b) No report on Form 8-K was filed during the quarter ended September 30,
1998.

(c) Exhibits: Reference is made to the list of exhibits in this Part IV,
Item 14(a)3 above.

(d) Financial Statement Schedules: Reference is made to Part IV, Item
14(a)2 above.

19
24


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.

ESCO ELECTRONICS CORPORATION


By (s) D. J. Moore
-----------------------------------------
D.J. Moore
Chairman, President and
Chief Executive Officer


Dated: December 18, 1998


Pursuant to the requirements of the Securities Exchange Act of 1934, this
report has been signed below effective December 18, 1998, by the following
persons on behalf of the registrant and in the capacities indicated.

SIGNATURE TITLE


(s) D. J. Moore
--------------------------------- Chairman, President, Chief
D.J. Moore Executive Officer and Director


(s) P. M. Ford
--------------------------------- Senior Vice President and Chief
P.M. Ford Financial Officer (Principa
Accounting Officer)

(s) J. J. Adorjan
--------------------------------- Director
J.J. Adorjan


(s) W. S. Antle III
--------------------------------- Director
W.S. Antle III


(s) J. J. Carey
--------------------------------- Director
J.J. Carey


(s) J.M. McConnell
--------------------------------- Director
J.M. McConnell


(s) D. C. Trauscht
--------------------------------- Director
D.C. Trauscht

20
25


INDEX TO EXHIBITS


Exhibits are listed by numbers corresponding to the Exhibit Table of Item 601 in
Regulation S-K.

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

13 The following-listed sections of the Annual Report to
Stockholders for the year ended September 30, 1998:

Five-year Financial Summary (p. 38)
Management's Discussion and Analysis (pgs. 12-18)
Consolidated Financial Statements (pgs. 19-36) and
Independent Auditors' Report (p. 37)
Shareholders' Summary--Capital Stock Information
(p. 39)
Common Stock Market Prices (p. 38)

21 Subsidiaries of ESCO

23 Independent Auditors' Consent

27 Financial Data Schedule



See Item 14(a)3 for a list of exhibits incorporated by reference

21