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Geospace Technologies Corporation

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FY2010 Annual Report · Geospace Technologies Corporation
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Transformation.
Transformation.

 
 
The Geospace Seismic Recorder 

has an entire industry talking. 

More important, it has an entire industry 

rethinking how, where and when it conducts 

seismic surveys.

The proof? 

Our customers’ extraordinary successes this 

year and the opportunities they see down 

the road. Brought about by ten years of 

visionary thinking and hard work, the GSR is 

transforming the seismic industry.

Call it revolutionary. Call it unprecedented. 

It’s not the words we use that matters – 

it’s the possibilities ahead.

FORWARD-LOOKING STATEMENTS: This Annual Report includes “forward-looking statements” within the meaning of Section 27A of the Securities Act of 
1933 and Section 21E of the Securities Exchange Act of 1934. All statements other than statements of historical fact included herein including statements 
regarding potential future products and markets, our potential future revenues, future financial position, business strategy, future expectations and other plans 
and objectives for future operations, are forward-looking statements. We believe our forward-looking statements are reasonable. However, they are based on 
certain assumptions about our industry and our business that may in the future prove to be inaccurate. Important factors that could cause actual results to 
differ materially from our expectations include the level of seismic exploration worldwide, which is influenced primarily by prevailing prices for oil and gas, the 
extent to which our new products are accepted in the market, the availability of competitive products that may be more technologically advanced or otherwise 
preferable to our products, tensions in the Middle East and other factors disclosed under the heading “Risk Factors” and elsewhere in our Form 10-K which 
is on file with the Securities and Exchange Commission. Further, all written and verbal forward-looking statements attributable to us or persons acting on our 
behalf are expressly qualified in their entirety by such factors. 

“high  quality data”“smart”“more  efficient”“phenomenal”“becomes     invisible”“can move it anywhere”“opportunity”“impressive”“there’s nothing like it”“reliable”“real benefit”“complete flexibility”“freedom”“cost effective”“incredible”“thrilled with the performance”“potential”“dramatic increase in productivity”Dear Fellow Shareholder,

When our technology team sets out to design a new product, they are always 

focused on providing solutions to our customers’ problems. Sometimes the 

changes they design result in incremental improvements in specifications that 

– while important – don’t result in earth-shattering announcements. Many of 

our modifications in geophone design and capabilities fall into this category: 

year in and year out we keep improving our geophones and offering greater 

functionalities so that our customers can gather better data across broader 

ranges of conditions. It’s important to our customers and good for our bottom 

line, but not grist for the news mill. 

Sometimes, however, our team’s desire 

to make our customers’ working day easier 

and more productive results in a sweeping 

transformation. The GSR (Geospace Seismic 

Recorder) system represents that kind of 

transformation, changing both the way our 

customers can now acquire data and the 

types of data acquisition projects they can 

undertake. Our new high sensitivity GS-One 

geophone is also representative of this kind of 

sweeping transformation. 

In seeking to use new technology to 

address some of the fundamental stumbling 

blocks that routinely frustrate our customers, 

we ended up designing a new seismic 

acquisition system and a single point 

geophone that are radically transforming our 

customers’ field operations. Our customers 

can acquire more data – more efficiently than 

ever before. They can take on acquisition 

projects they never dreamed of undertaking – 

and they can do so with ease. 

2  )  OYO Geos pace  2010

 
 
What Makes Our GSR System So Special?
For years seismic contractors have travelled the globe acquiring data to 

uncover oil and gas deposits. The recording systems they’ve used have all 

been connected by cable – in some instances hundreds of miles of cable 

– so that the data acquired at each individual location could be transmitted 

back to the recording truck where it was stored on tapes for processing and 

interpretation. 

Until recently, cabled systems were the predominant mode of land 

seismic data acquisition. And, until recently, our customers would routinely 

spend considerable time and effort coping with cables. Shipping the cables 

from one job to another could be a logistical nightmare requiring eighteen-

wheelers or large container vessels. 

Deploying the cables across a 3D survey frequently required large 

numbers of individual field workers to carry 50 - 80 pounds of cable 

and equipment, which increased the likelihood of accidents and injuries 

to workers even when terrain or weather conditions were decent. In 

inhospitable environments such as the arctic winter or in jungles or across 

mountainous regions, the possibility of injury during cable deployment 

increased exponentially. 

Once the cable was deployed it had to be maintained, which could 

mean several hours of troubleshooting each day, tracking down faults or 

OYO Geospac e 201 0  ( 3 

 
 
 
breaks in the lines due to grazing animals, traffic or mishaps. In addition, 

contractors frequently faced severe cable deployment constraints due to 

roads, rivers, or other geographical hazards as well as landowner concerns, 

regulatory rules and environmental issues. 

The cable-free GSR system significantly reduces the logistics, health, 

safety and environmental issues associated with cable-based land seismic 

data acquisition. A GSR unit with a GS-One geophone weighs about seven 

pounds and several units can easily be transported in backpacks without 

strain or injury. Seismic data acquisition crews using the GSR system can 

accomplish far more, with far fewer people. Risks of accident or injury are 

much lower because fewer people are needed to deploy the systems and 

because the systems weigh so much less and require so little maintenance.

Similarly, the GS-One geophone, in one simple package, provides 

all the signal fidelity and quality expected in seismic data recording and 

it effectively replaces larger, heavier, more 

complicated conventional geophone arrays, 

which were traditionally comprised of six or 

twelve geophones. Together, the GSR and 

GS-One are changing the face of seismic 

data acquisition.

We set out to develop the GSR data 

acquisition system in the late 1990s. As 

shareholders you have watched as we have 

painstakingly rolled out important precursors 

to its development. Even our first deep marine 

system incorporated some of the principles 

we’re using today. Each year, we’ve added 

capabilities, or honed our technology to 

get to this place, where today we offer the 

most widely accepted and most widely used 

cableless seismic data acquisition system on 

the market. 

4  )  OYO Geos pace  2010

 
 
 
For fiscal year 2010, our revenue was $128.5 million 

in millions

and our net income was $14.1 million, or $2.27 per diluted 

share. This compares with revenue of $92.9 million and net 

income of $1.8 million, or $0.29 per diluted share in fiscal 

year 2009. The strength of our revenue is a reflection of the 

success of our technological breakthrough.

With the GSR, we have not only transformed the 

day-to-day operations of our customers, but also we’ve 

transformed ourselves – from a manufacturer of parts 

for systems manufactured by others to a designer and 

manufacturer of systems ourselves. We are tremendously 

pleased with both transformations because we believe the 

key to our success lies in giving our customers exactly what 

they need to make their day-to-day operations easier and 

more profitable.

The success stories that follow are our customers’ 

success stories. The quotations at the front of this report 

aren’t propaganda from some PR machine; they are the 

unqualified reactions from our customers after they’ve used 

our GSR system. We’re ecstatic with their reviews of this 

transformational technology and with their confidence in 

our system as best demonstrated by their repeat business. 

We continue to improve our products. It’s who we are 

and what we’re always about.

Very truly yours,

Gary D. Owens

Chairman of the Board

President and

Chief Executive Officer

2008   2009    2010 

Revenues

2008   2009     2010 

Net income

$140

$120

$100

$ 80

$ 60

$ 40

$ 20

0

in millions
$20
$18
$16 
$14
$12
$10
$ 8
$ 6
$ 4
$ 2

0

percent

25

20

15

10

 5

0 

2008   2009    2010 

Pretax return on
shareholder equity

OYO Geospac e 2 01 0  ( 5

 
 
 
 
 
   
 
 
 
   
 
 
 
   
 
 
 
   
 
 
 
   
 
 
 
   
 
 
 
   
 
 
 
What our customers are saying about: 

Performance.
Selecting a cableless acquisition system with a single high-sensitivity 

GS-One geophone over a more traditional multi-geophone sensor 

array was an important technical and logistical decision for gathering 

quality seismic data on Norse Energy’s 3D surveys in upstate New York. 

They knew reducing the bulk and 

complexity of multiple geophones 

would be a significant gain – but 

random noise and other unknowns 

made for a little nervousness. 

A small preliminary seismic 

program was shot. The data was 

processed right away and compared 

to a conventional 2D line that had been 

shot by another company through the 

same area.

“I held my breath as I loaded 

the data set,” said Alan Leaver, VP of 

Exploration at Norse Energy. “It was 

unbelievable. The data was at least 

as good as the 2D line… and the big benefit is when you go into the field, 

instead of having 6 or 8 or 12 geophones strung out over 100, 200 feet, you 

have a single buried geophone. The footprint is miniscule compared to what 

it was previously.”

“

“I was a little apprehensive to begin with and now 

feel totally vindicated for going with this system. 

I’m very pleased with it.”

Alan Leaver

VP of Exploration 

Norse Energy

6  )  OYO Geo spa ce 2010 

 
 
Weighing just seven pounds per unit, the small, self-contained and 

man-portable GSR revolutionizes the process of seismic lay-down 

and pickup – and everything in between. The GSR system has transformed 

seismic crews’ daily routines. Instead of spending hours in the field each day 

troubleshooting, making repairs and finding and replacing faulty equipment, 

crews can now check the entire spread of active devices with a quick sweep, 

and where needed, swap out system components in minutes. With the GSR 

system, seismic contractors are discovering that the financially productive 

part of their day starts a lot earlier and lasts a lot longer.

What our customers are saying about: 

Mobility.

“With the GSR, you get three components: the battery, the box, and 

a single-element phone. Boom. If something goes wrong, I swap it out,” 

says Charles Bundrant, President of Green World Geophysical. “At seven 

pounds per channel, it can go in a backpack. If I go into swamp, I just 

throw it into an air boat and go.”

That mobility translates to huge logistical advantages. “Everything goes 

away with a wireless crew. Everything becomes invisible,” says Mike Lauren, 

President of Viking Geophysical. “There are no more major highways. There are 

no more major creeks, there are no more villages, and there are no longer any 

challenges to prohibit you from getting high production at the end of the day.”

“

“I don’t believe that 

anybody could compete 

with us when it comes to 

mobilization.”

Mike Lauren

President 

Viking Geophysical

OYO Geospac e 2 01 0  ( 7

 
 
 
What our customers are saying about: 

Safety.

Deploying cables across a 3D survey can require large numbers of field 

workers to carry heavy loads of cable and equipment, increasing the 

likelihood of accidents and injuries. 

Inhospitable weather, rough terrain, and every hour in a vehicle or out in 

the elements increase that risk exponentially. 

But data acquisition crews using the GSR system can accomplish far 

more with far fewer people and far less exposure. 

Fewer people, fewer vehicles, less weight and less time out in the 

field checking cables and making repairs – all these factors cut injury risks 

dramatically. 

“We have this lightweight system out there… we put this 2½ pound box 

on the ground, we hook it up to a small battery with a set of very lightweight 

land geophones, and so overall there 

is very little strenuous activity taking 

place on a seismic crew,” observes Mike 

Lauren, President of Viking Geophysical.

“

“…now we have a 20-man crew as 

opposed to say… a 75- to 100-man 

crew. So with the GSR system, it 

lowers the count of your men, which 

lowers the count of vehicles used, fuel 

consumption…” 

Danny Edmonds

Senior Observer 

Green World Geophysical

8  )  OYO Geo spa ce 2010 

 
 
 
 
2
0
1
0

Financials

2010
Financials

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM 10-K

È Annual Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

for the Fiscal Year Ended September 30, 2010

OR

‘ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Commission file number 001-13601

OYO GEOSPACE CORPORATION

(Exact Name of Registrant as Specified in Its Charter)

Delaware
(State or Other Jurisdiction of
Incorporation or Organization)

76-0447780
(I.R.S. Employer
Identification No.)

7007 Pinemont Drive
Houston, Texas 77040-6601
(Address of Principal Executive Offices)
(713) 986-4444
(Registrant’s telephone number, including area code)

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

Title of Each Class
Common Stock

Name of Each Exchange on Which Registered
The NASDAQ Global Market

Securities Registered pursuant to Section 12(g) of the Act: NONE
Indicate by check mark if the Registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities

Act. Yes ‘ No È

Indicate by check mark if the Registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the

Act. Yes ‘ No È

Indicate by check mark whether the Registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the
Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the Registrant was required
to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes È No ‘

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Website, if any,
every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this
chapter) during the preceding 12 months (or for such shorter period that the Registrant was required to submit and post such
files). Yes ‘ No ‘

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K (§229.405 of this
chapter) is not contained herein, and will not be contained, to the best of the Registrant’s knowledge, in definitive proxy or
information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K.

Indicate by check mark whether the Registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer or
a smaller reporting company. See definitions of “large accelerated filer”, “accelerated filer” and “smaller reporting company”
in Rule 12b-2 of the Exchange Act.

Large accelerated filer ‘ Accelerated filer È

Non-accelerated filer ‘ Smaller reporting company ‘

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange

Act). Yes ‘ No È

There were 6,117,708 shares of the Registrant’s Common Stock outstanding as of the close of business on December 7,
2010. As of March 31, 2010, the aggregate market value of the Registrant’s Common Stock held by non-affiliates was
approximately $210 million (based upon the closing price of $47.81 on March 31, 2010, as reported by The NASDAQ
Global Market).

Portions of the definitive proxy statement for the Registrant’s 2011 Annual Meeting of Stockholders are incorporated by

reference into Part III of this report.

DOCUMENTS INCORPORATED BY REFERENCE

Item 1. Business

Overview

PART I

OYO Geospace Corporation is a Delaware corporation incorporated on September 13, 1997. Unless
otherwise specified, the discussion in this Annual Report on Form 10-K refers to OYO Geospace Corporation
and its subsidiaries. We design and manufacture instruments and equipment used in the acquisition and
processing of seismic data as well as in the characterization and monitoring of producing oil and gas reservoirs.
Demand for our products has been, and will likely continue to be, vulnerable to downturns in the economy and
the oil and gas industry in general. During most of fiscal year 2010, oil and natural gas prices remained at fairly
consistent levels, but during fiscal years 2009 and 2008 there was substantial volatility in oil and natural gas
prices. Please refer to the risks discussed under the heading “Risk Factors” for more information.

We have been in the seismic instrument and equipment business since 1980 and market our products
primarily to the oil and gas industry. We also design, manufacture and distribute thermal imaging equipment and
thermal media products targeted at the screen print, point of sale, signage and textile market sectors. We have
been manufacturing thermal imaging products since 1995. We report and evaluate financial information for each
of these two segments: Seismic and Thermal Solutions.

Seismic Products

The seismic segment of our business accounts for the majority of our sales. Geoscientists use seismic data
primarily in connection with the exploration, development and production of oil and gas reserves to map
potential and known hydrocarbon bearing formations and the geologic structures that surround them.

Seismic Exploration Products

A seismic energy source and a seismic data recording system are combined to acquire seismic data. We
including data acquisition systems,
provide many of the components of seismic data recording systems,
geophones, hydrophones, multi-component sensors, seismic leader wire, geophone strings, connectors, seismic
telemetry cables and other seismic related products. On land, our customers use our data acquisition systems,
geophones, leader wire, cables and connectors to receive and measure seismic reflections resulting from an
energy source to data recording units, which store information for processing and analysis. In the marine
environment, large ocean-going vessels tow long seismic cables known as “streamers” containing hydrophones
which are used to detect pressure changes. Hydrophones transmit electrical impulses back to the vessel’s data
recording unit where the seismic data is stored for subsequent processing and analysis. Our marine seismic
products help steer streamers while being towed and help recover streamers if they become disconnected from
the vessel.

Our seismic sensor, cable and connector products are compatible with most major competitive seismic data
acquisition systems currently in use, and sales result primarily from seismic contractors purchasing our products
as components of new seismic data acquisition systems or to repair and replace components of seismic data
acquisition systems already in use.

During fiscal year 2008, we announced the development of a land-based wireless (or nodal) data acquisition
system. Each nodal station operates independently and therefore can be deployed in virtually unlimited channel
configurations. Rather than utilizing interconnecting cables as required by most traditional land data acquisition
systems, each nodal station operates as an independent data collection system. As a result, our nodal system
requires less maintenance, which we believe allows our customers to operate more effectively and efficiently
because of its reduced environmental impact, lower weight and ease of operation. Our nodal system is designed
into configurations ranging from one to four channels per station. Since its introduction, we have delivered over

1

39,000 channels of our land-based nodal acquisition system. We also have over 9,000 additional channels
available for rent by our customers and we intend to increase our rental fleet up to 30,000 total channels in fiscal
year 2011.

In October 2009, we introduced a marine-based nodal data acquisition system. Similar to our land nodal
system, the marine nodal system can be deployed in virtually unlimited channel configurations and does not
require interconnecting cables between each station. Our deepwater versions of this nodal system can be
deployed in depths of up to 3,000 meters.

Our wholly-owned subsidiary in the Russian Federation manufactures international standard geophones,
sensors, seismic leader wire, seismic telemetry cables and related seismic products for customers in the Russian
Federation and other international seismic marketplaces. Operating in foreign locations involves certain risks as
discussed under the heading “Risk Factors – Our Foreign Subsidiaries and Foreign Marketing Efforts Face
Additional Risks and Difficulties” in this Annual Report on Form 10-K.

Seismic Reservoir Products

We have developed permanently installed high-definition reservoir characterization products for ocean-
bottom applications in producing oil and gas fields. We also produce a retrievable version of this ocean-bottom
system for use on fields where permanently installed systems are not appropriate or economical. Seismic surveys
repeated over selected time intervals show dynamic changes within the reservoir and can be used to monitor the
effects of production. Utilizing these tools, producers can enhance the recovery of oil and gas deposits over the
life of a reservoir.

In addition, we produce seismic borehole acquisition systems which employ a fiber optic augmented
reservoir
wireline capable of very high data transmission rates. These systems are used for several
characterization applications, including an application pioneered by us allowing operators and service companies
to monitor and measure the results of fracturing operations.

Emerging Technology Products

Our products continue to develop and expand beyond seismic applications through the utilization of our
existing engineering experience and manufacturing capabilities. We design and manufacture power and
communication transmission cable products for offshore applications and market these products to the offshore
oil and gas and offshore construction industries. These products include a variety of specialized cables, primarily
used in deepwater applications, such as remotely operated vehicle (“ROV”) tethers, umbilicals and electrical
control cables. These products also include specially designed and manufactured cables, including armored
cables, engineered to withstand harsh offshore operating environments.

In addition, we design and manufacture industrial sensors for the vibration monitoring and earthquake
detection markets. We also design and manufacture other specialty cable and connector products, such as those
used in connection with global positioning products and water meter applications.

Thermal Solution Products

Our thermal solutions product

technologies were originally developed for seismic data processing
applications. In 1995, we modified this technology for application in other markets. Our thermal printers include
both thermal imagesetters for graphics applications and thermal plotters for seismic applications. In addition, our
thermal solutions products include direct-to-screen systems, thermal printheads, dry thermal film, thermal
transfer ribbons and other thermal media. Our thermal imaging solutions produce images ranging in size from 12
to 54 inches wide and in resolution from 400 to 1,200 dots per inch. We market our thermal imaging solutions to
a variety of industries, including the screen printing, point-of-sale, signage, flexographic and textile markets. We
also continue to sell these products to our seismic customers.

2

The quality of thermal imaging is determined primarily by the interrelationship between a thermal printhead
and the thermal media, be it film, ribbon, or any other media. We manufacture thermal printheads and thermal
film, which we believe will enable us to more effectively match the characteristics of our thermal printers to
thermal film, thereby improving print quality, and make us more competitive in markets for these products.

We also distribute private label high-quality dry thermal media for use in our thermal printers and
direct-to-screen systems. In addition, we are continuously engaged in efforts to develop new lines of dry thermal
film and ribbon in order to improve the image quality of our media for use with our printheads. In order to
achieve more than marginal growth in our thermal solutions product business in future periods, we believe that it
is important to continue our concentration of efforts on both our printhead and media improvements.

Products and Product Development

Seismic Products

Our seismic product lines currently consist of land and marine nodal seismic data acquisition systems, high-
definition reservoir characterization products and services, geophones and hydrophones,
including multi-
component geophones and hydrophones, seismic leader wire, geophone string and acquisition system connectors,
seismic telemetry cables, marine seismic cable retrieval and steering devices and specialized data acquisition
systems targeted at conventional and niche markets. Our seismic products are compatible with most major
seismic data acquisition systems currently in use. We believe that our seismic products are among the most
technologically advanced instruments and equipment available for seismic data acquisition.

In fiscal year 2008, we introduced “wireless” land and marine nodal seismic data acquisition systems which
allow our customers to deploy an unlimited quantity of autonomous nodal stations without the requirement to
deploy and maintain lengthy power/communication cables. Our nodal systems are designed into configurations
ranging from one to four channels per station. Since its introduction, we have delivered over 39,000 channels of
our land-based nodal acquisition system. We also have over 9,000 additional channels available for rent by our
customers and we intend to increase our rental fleet up to 30,000 total channels in fiscal year 2011.

Our high-definition reservoir characterization products include the HDSeis™ product line and a suite of
borehole and reservoir characterization products and services. Our HDSeis™ System is a high-definition seismic
data acquisition system with flexible architecture that allows it to be configured as a borehole seismic system or
as a subsurface system for both land and marine reservoir-monitoring projects. The scalable architecture of the
HDSeis™ System enables custom designed system configuration for applications ranging from low-channel
engineering and environmental-scale surveys requiring a minimum number of recording channels to high-
channel surveys required to efficiently conduct permanent
imaging and monitoring. Modular
architecture allows virtually unlimited channel expansion. In addition, multi-system synchronization features
make the HDSeis™ System well suited for multi-well or multi-site acquisition, simultaneous surface and
downhole acquisition and continuous reservoir monitoring projects.

reservoir

Reservoir characterization requires special purpose or custom designed systems in which portability
becomes less critical and functional reliability assumes greater importance. This reliability factor helps assure
successful operations in inaccessible locations over a considerable period of time. Additionally, reservoirs
located in deepwater or harsh environments require special instrumentation and new techniques to maximize
recovery. Reservoir characterization also requires high-bandwidth, high-resolution seismic data for engineering
project planning and reservoir management. We believe our HDSeis™ System and tools, designed for cost-
effective deployment and lifetime performance, will make borehole and seabed seismic acquisition a cost-
effective and reliable process for the challenges of reservoir characterization and monitoring.

Our 3D seismic product developments include an omni-directional geophone for use in reservoir
monitoring, a compact marine three-component or four-component gimbaled sensor and special-purpose
connectors, connector arrays and cases.

3

Our products used in marine seismic data acquisition include our patented marine seismic streamer retrieval
devices (“SRDs”). Occasionally, streamer cables are severed and become disconnected from the vessel as a result
of obstacles, inclement weather, vessel traffic or human error. Our SRDs, which are attached to the streamer
cables, contain air bags which are designed to inflate automatically at a given depth, bringing the severed
streamer cables to the surface. These SRDs save the seismic contractors significant time and money compared to
the alternative of losing the streamer cable. We also produce seismic streamer steering devices, or “birds,” which
are finlike devices that attach to the streamer cable. These birds help maintain the streamer cable at a certain
desired depth as it is being towed through the water.

In order to take advantage of our existing cable manufacturing facilities and capabilities in Houston, we are
designing and selling cable products to the offshore oil and gas and offshore construction industries. The
production of offshore marine cables requires specialized design capabilities and manufacturing equipment. We
also utilize these design capabilities and manufacturing equipment
reservoir
characterization products. We are aggressively working to diversify our seismic product lines as well as utilizing
our manufacturing capabilities to develop and produce products for use in other industries.

to produce deepwater

Thermal Solutions Products

Our thermal solutions products include thermal imagesetters for graphics applications and thermal plotters
for seismic applications. In addition, our thermal solution products include thermal printheads and thermal media
products. We market these products to a variety of industries, including the screen print, point of sale, signage
and textile markets. We also sell these products to our seismic customers.

We design, manufacture and sell thermal printers with data images ranging in size from 12 to 54 inches
wide and resolution ranging from 400 to 1,200 dpi. We also manufacture our own line of thermal film products
as well as distribute another brand of thermal film to the users of our thermal printers. In our thermal solutions
segments, we derive revenue primarily from the sale of thermal solutions products to our commercial graphics
customers.

Competition

Seismic Products

We believe that we are one of the world’s largest manufacturers and distributors of seismic related products.
The principal competitors in our seismic business segment for data acquisition systems, geophones, hydrophones,
geophone string connectors, leader wire and telemetry cables are SERCEL (a division of CGGVeritas), ION
Geophysical (“ION”), INOVA (a joint venture formed in 2009 between ION and Bureau of Geophysical
Prospecting, a subsidiary of China National Petroleum Company) and Steward Cable (a division of Amphenol
Corporation). Furthermore, entities in China affiliated with SERCEL as well as other Chinese manufacturers
produce low-cost geophones meeting current industry standards.

We believe that the principal keys for success in the seismic instruments and equipment market are
technological superiority, product durability, reliability, and customer support. We also believe that price and
product delivery are always important considerations for our customers. In general, most customers prefer to
standardize data acquisition systems, geophones and hydrophones, particularly if they are used by seismic
companies which have multiple crews which are able to support each other. This standardization makes it
difficult for competitive manufacturers to gain market share from other manufacturers with existing customer
relationships.

As mentioned above, a key factor for seismic instruments and equipment manufacturers is durability under
harsh field conditions. Instruments and equipment must meet not only rigorous technical specifications regarding
signal integrity and sensitivity, but must also be extremely rugged and durable to withstand the rigors of field
use, often in harsh environments.

4

We believe our primary competitors for our “wireless” nodal seismic data acquisition systems are SERCEL,

Fairfield Industries and INOVA.

With respect

to our marine seismic products, we are not aware of any competing companies that
manufacture a product functionally similar to our patented seismic streamer retrieval device. We believe our
primary competitors in the manufacture of our streamer depth positioning device, or “birds,” are ION and
SERCEL.

We believe our primary competitors for our deepwater cabled reservoir characterization and monitoring

systems are SERCEL, ION and Petroleum Geo-Services ASA.

We believe our primary competitors for high-definition borehole seismic data acquisition systems are

Avalon and SERCEL.

We believe our primary competitors for rental of seismic equipment are Mitcham Industries, Inc. and

Seismic Equipment Solutions.

Thermal Solutions Products

We believe that the primary competitors to our thermal imaging business segments include emulsion
producers like KIWO USA, Inc. as a distributor of direct-to-screen technologies, Colour Scanned Technology as
a manufacturer of direct-to-screen technologies, iSys Group as a manufacturer of thermal technologies for oil and
gas exploration applications, as well as manufacturers of alternative technologies such as inkjet devices
distributed and used for film output. Also, as we advance the resolution capabilities of direct thermal imaging
technology, we expose ourselves to additional competition in the more traditional wet-film and direct-to-plate
imagesetting marketplace. A key competitive factor in this market is producing equipment that is technologically
advanced, yet cost effective.

Suppliers

We produce our own brand of dry thermal film internally. We also purchase a substantial quantity of dry

thermal film directly from Agfa-Gevaert or through its international distributors.

We do not currently experience any significant difficulties in obtaining raw materials from our suppliers for

the production of our seismic or thermal imaging products.

Product Manufacturing and Assembly

Our manufacturing and product assembly operations consist of machining or molding the necessary
component parts, configuring these parts along with components received from various vendors and assembling a
final product. We manufacture seismic equipment to the specifications of our customers. For example, we can
armor cables for applications such as deepwater uses. We assemble geophone strings and seismic telemetry
cables based on a number of customer choices such as length, gauge, tolerance and color of molded parts. With
regard to dry thermal film, we mix and react various chemicals to formulate a reactive layer that is then coated
onto a clear polyester film. The film is then coated with a protective topcoat that produces the final product.
Upon completion of our manufacturing and assembly operations, we test our final products to the functional and,
in the case of seismic equipment, environmental extremes of product specifications and inspect the products for
quality assurance. We normally manufacture and ship our products based on customer orders and, therefore,
typically do not maintain significant inventories of finished goods held for sale.

5

Markets and Customers

Our principal seismic customers are seismic contractors and major independent and government-owned oil
and gas companies that either operate their own seismic crews or specify seismic instrument and equipment
preferences to contractors. For our deepwater reservoir characterization products, our customers are generally
large international oil and gas companies that operate long-term offshore oil and gas producing properties. Our
thermal imaging customers primarily consist of direct users of our equipment as well as specialized resellers that
focus on the newsprint, silkscreen and corrugated box printing industries. One customer comprised 13.2%, 12.0%
and 11.5% of our revenues during the fiscal years 2010, 2009 and 2008, respectively. The following table
describes our sales by customer type (in thousands):

Seismic exploration customers . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Seismic reservoir customers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Industrial customers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Thermal solutions customers . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Other . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

YEAR ENDED SEPTEMBER 30,

2010

2009

2008

$ 89,777
14,600
10,397
12,955
804

$59,084
12,020
7,939
13,028
789

$ 92,578
15,784
10,250
15,201
682

$128,533

$92,860

$134,495

During the last two years, there has been substantial uncertainty in the capital markets and access to credit
remains uncertain. Due to these conditions, certain of our customers may continue to curtail their seismic
contracting activities which would result in a decrease in demand for our products. Furthermore, certain of our
customers could experience an inability to pay suppliers, including us, in the event they are unable to access the
capital markets to fund their business operations. These risks are more fully described under the heading “Risk
Factors” in this Annual Report on Form 10-K.

Intellectual Property

We seek to protect our intellectual property by means of patents, trademarks, trade secrets and other
measures. Although we do not consider any single patent essential to our success, we consider our patent
regarding our marine seismic cable retrieval devices to be of particular value to us. This patent is scheduled to
expire in 2013.

Research and Development

We expect to incur significant future research and development expenditures aimed at the development of
additional seismic data acquisition products and thermal imaging technologies. We have incurred company-
sponsored research and development expenses of $9.9 million, $8.1 million and $8.9 million during the fiscal
years ended September 30, 2010, 2009 and 2008, respectively.

Employees

As of September 30, 2010, we employed approximately 891 people predominantly on a full-time basis, of
which 494 were employed in the United States and 348 in the Russian Federation. Our employees in the Russian
Federation belong to a national union for machine manufacturers. Our remaining employees are not unionized.
We have never experienced a work stoppage and consider our relationship with our employees to be satisfactory.

Financial Information by Segment and Geographic Area

For a discussion of financial information by segment and geographic area, see Note 15 to the consolidated

financial statements contained in this Annual Report on Form 10-K.

6

This Annual Report on Form 10-K, along with our Quarterly Reports on Form 10-Q, Current Reports on
Form 8-K and amendments to those reports filed or furnished pursuant to Section 13(a) or 15(d) of the Securities
Exchange Act of 1934 (the “Exchange Act”), are available free of charge through our website as soon as
reasonably practicable after we electronically file such material with, or furnish it to, the Securities and Exchange
Commission (“SEC”). Our website address is http://www.oyogeospace.com.

Item 1A. Risk Factors

Risk Factors

Commodity Price Levels May Affect Demand for Our Products

Demand for many of our products depends primarily on the level of worldwide oil and gas exploration
activity. That activity, in turn, depends primarily on prevailing oil and gas prices and availability of seismic data.
During periods of improved energy commodity prices, the capital spending budgets of oil and natural gas
operators tend to expand, which results in increased demand for our products. Conversely, in periods when these
energy commodity prices deteriorate, the demand for our products generally weakens. Historically, the markets
for oil and gas have been volatile. During the last two years, there has been substantial volatility and a decline in
oil and natural gas prices, which are subject to wide fluctuation in response to changes in the supply of and
demand for oil and gas, market uncertainty and a variety of additional factors that are beyond our control. These
factors include the level of consumer demand, weather conditions, domestic and foreign governmental
regulations, price and availability of alternative fuels, political conditions and hostilities in the Middle East and
other significant oil-producing regions, increases and decreases in foreign supply of oil and gas, prices of foreign
imports and overall economic conditions. Any unexpected material changes in oil and gas prices or other market
trends that adversely impact seismic exploration activity would likely affect the demand for our products and
could materially and adversely affect our results of operations and liquidity.

Our New Products May Not Achieve Market Acceptance

Management’s outlook and assumptions are based on various macro-economic factors and internal
assessments, and actual market conditions could vary materially from those assumed. In recent years, we have
incurred significant expenditures to fund our research and development efforts, and we intend to continue those
expenditures in the future. However, research and development is by its nature speculative, and we cannot assure
you that these expenditures will result in the development of new products or services or that any new products
and services we have developed recently or may develop in the future will be commercially marketable or
profitable to us. In particular, we have incurred substantial expenditures to develop our wireless nodal seismic
data acquisition systems, as well as other seismic products for reservoir characterization applications. In addition,
we try to use some of our capabilities, particularly our cable manufacturing capabilities, to supply products to
new markets. Further, we have incurred substantial expense and expended significant effort to develop our
thermal solutions products. We cannot assure you that we will realize our expectations regarding acceptance of
and revenues generated by our new products and services in existing or new markets.

We May Experience Fluctuations in Quarterly Results of Operations

Historically, the rate of new orders for our products has varied substantially from quarter to quarter.
Moreover, we typically operate, and expect to continue to operate, on the basis of orders in-hand for our products
before we commence substantial manufacturing “runs.” The short-term nature of our order backlog generally
does not allow us to predict with any accuracy demand for our products more than approximately three months in
advance. Thus, our ability to replenish orders and the completion of orders, particularly large orders for
deepwater reservoir characterization projects, can significantly impact our operating results and cash flow for any
quarter, and results of operations for any one quarter may not be indicative of results of operations for future
quarters. These periodic fluctuations in our operating results could adversely affect our stock price.

7

We Have a Relatively Small Public Float, and Our Stock Price May Be Volatile

We have approximately 4.2 million shares outstanding held by non-affiliates. This small float results in a
relatively illiquid market for our common stock. Our daily trading volume for the year ended September 30, 2010
averaged approximately 25,000 shares. Our small float and daily trading volumes have in the past caused, and
may in the future result in, significant volatility in our stock price.

Our Credit Risk Could Increase If Our Customers Face Difficult Economic Circumstances

We believe that our allowances for bad debts are adequate in light of known circumstances. However, we
cannot assure you that additional amounts attributable to uncollectible receivables and bad debt write-offs will
not have a material adverse effect on our future results of operations. Many of our seismic customers are not well
capitalized and as a result cannot always pay our invoices when due. We have in the past incurred write-offs in
our accounts receivable due to customer credit problems. We have found it necessary from time to time to extend
trade credit, including on promissory notes, to long-term customers and others where some risks of non-payment
exist. With the recent global financial crisis and tight commercial credit availability, some of our customers
relying on credit markets as the source of funds for their capital spending may experience significant liquidity
difficulties, which increase those credit risks. An increase in the level of bad debts and any deterioration in our
credit risk could adversely affect the price of our stock.

We Operate in Highly Competitive Markets

The markets for most of our products are highly competitive. Many of our existing and potential
competitors have substantially greater marketing, financial and technical resources than we do. Additionally, at
least three competitors in our seismic business segment currently offer a broader range of instruments and
equipment for sale than we do. Further, certain of our competitors may offer financing arrangements to
customers on terms that we may not be able to match. In addition, new competitors may enter the market and
competition could intensify.

As to our thermal solutions products, we compete with other printing solutions, including inkjet and laser

printing technologies, many of which are provided by large companies with significant resources.

We cannot assure you that sales of our products will continue at current volumes or prices if current
competitors or new market entrants introduce new products with better features, performance, price or other
characteristics than our products. Competitive pressures or other factors may also result in significant price
competition that could have a material adverse effect on our results of operations.

We Have a Limited Market for Our Seismic Products

In our seismic business segment, we market our traditional products to seismic service contractors and to
large, independent and government-owned oil and gas companies. We estimate that, based on published industry
sources, fewer than 50 seismic contracting companies are currently operating worldwide (excluding those
operating in Russia and the former Soviet Union, India, the People’s Republic of China and certain Eastern
European countries, where seismic data acquisition activity is difficult to verify). We estimate that fewer than 20
seismic contractors are engaged in marine seismic exploration. Due to these market factors, a relatively small
number of customers, some of whom are experiencing financial difficulties, have accounted for most of our
sales. From time to time these seismic contractors have sought to vertically integrate and acquire our competitors,
which has influenced their supplier decisions before and after such transactions. The loss of a small number of
these customers could materially and adversely impact sales of our seismic products.

8

We Cannot Be Certain of the Effectiveness of Patent Protection

We hold and from time to time apply for certain patents relating to some of our seismic data acquisition and
other products. We also own several patents which relate to the development of dry thermal film. We cannot
assure you that our patents will prove enforceable or free of challenge, that any patents will be issued for which
we have applied or that competitors will not develop functionally similar technology outside the protection of
any patents we have or may obtain.

Our Foreign Subsidiaries and Foreign Marketing Efforts Face Additional Risks and Difficulties

Based on customer billing data, net sales outside the United States accounted for approximately 33.5% of
our net sales during fiscal year 2010; however, we believe the percentage of sales outside the United States is
much higher as many of our products are first delivered to a domestic location and ultimately shipped to a
foreign location. We again expect net sales outside of the United States to represent a substantial portion of our
net sales for fiscal year 2011 and subsequent years. Substantially all of our sales from the United States are made
in U.S. dollars, though from time to time we may make sales in foreign currencies. As a result, we may be
subject to foreign currency fluctuations on our sales. In addition, net assets reflected on the balance sheets of our
Russian, Canadian and United Kingdom subsidiaries are booked in foreign currencies and are subject to currency
fluctuations. Consequently, significant foreign currency fluctuations could adversely impact our results of
operations.

Foreign sales are subject to special risks inherent in doing business outside of the United States, including
the risk of war, terrorist activities, civil disturbances, embargo and government activities and foreign attitudes
about conducting business activities with the United States, all of which may disrupt markets. A portion of our
manufacturing is conducted through our subsidiary OYO-GEO Impulse, which is based in the Russian
Federation. Our business could be directly affected by political and economic conditions in the Russian
Federation. Boycotts, protests, governmental sanctions and other actions in the region could adversely affect our
ability to operate profitably. The risk of doing business in the Russian Federation and other economically or
politically volatile areas could adversely affect our operations and earnings. Foreign sales are also generally
subject to the risk of compliance with additional laws, including tariff regulations and import and export
restrictions. Sales in certain foreign countries require prior U.S. government approval in the form of an export
license. We cannot assure you that we will not experience difficulties in connection with future foreign sales.
Also due to foreign laws and restrictions, should we experience substantial growth in certain foreign markets, for
example in the Russian Federation, we may not be able to transfer cash balances to the United States to assist
with debt servicing or other obligations.

Our subsidiaries in the Russian Federation and in Canada together reported operating losses of $1.3 million
and $3.3 million, respectively, for fiscal years 2010 and 2009 primarily due to difficult seismic market
conditions. These market conditions are influenced by macro-economic conditions such as the world-wide
economic crisis, credit availability, crude oil and natural gas commodity price volatility and other factors
impacting world-wide energy exploration activities. In addition, other factors contributed to these difficult
conditions such as high tax regimes, the over-supply of natural gas as recently seen in North America, intense
competitive pricing pressures, and reduced demand by our Houston-based operations for products manufactured
by our Russian subsidiary. We cannot assure you that these conditions will improve in the near term or that these
subsidiaries will not experience these difficult market conditions again in the future, and these subsidiaries may
generate future operating losses, asset impairments charges, or closure if we are unable to stabilize their
operations.

Unfavorable Currency Exchange Rate Fluctuations Could Adversely Affect Our Results of Operations

The reporting currency for our financial statements is the U.S. dollar. However, certain of our subsidiaries
are located in countries other than the United States. The assets, liabilities, revenues and costs of these foreign
subsidiaries are denominated in currencies other than U.S. dollars. To prepare our consolidated financial

9

statements, we must translate those assets, liabilities, revenues and expenses into U.S. dollars at then-applicable
exchange rates. Consequently, increases and decreases in the value of the U.S. dollar versus these other
currencies will affect the amount of these items in our consolidated financial statements, even if their value has
not changed in their original currency. These translations could result in significant changes to our results of
operations from period to period. For the fiscal year ended September 30, 2010, approximately 8.5% of our
consolidated revenues related to the operations of our foreign subsidiaries.

We Rely on a Key Supplier for a Significant Portion of Our Dry Thermal Film

While we currently manufacture dry thermal film, we also purchase a large quantity of dry thermal film
from a distributor located in the United States. Except for the film produced by us and sold to us by this
distributor, we know of no other source for dry thermal film that performs well in our thermal imaging
equipment.

If we are unable to economically manufacture dry thermal film internally or our distributor were to
discontinue supplying dry thermal film or were unable to supply dry thermal film in sufficient quantities to meet
our requirements, our ability to compete in the thermal imaging marketplace could be impaired, which could
adversely affect our financial performance.

We Have Been Subject to Control by a Principal Stockholder

At September 30, 2010, OYO Corporation owned indirectly in the aggregate approximately 21.1% of our
common stock. Accordingly, OYO Corporation, through its wholly owned subsidiary OYO Corporation U.S.A.,
is able to exercise substantial influence over our management, operations and affairs. In addition, we currently
have, and may continue to have, a variety of contractual relationships with OYO Corporation and its affiliates.
These relationships could further enable OYO Corporation to indirectly exert substantial influence on our
operations.

Our Success Depends Upon a Limited Number of Key Personnel

Our success depends on attracting and retaining highly skilled professionals. A number of our employees
are highly skilled engineers and other professionals. In addition, our success depends to a significant extent upon
the abilities and efforts of the members of our senior management. If we fail to continue to attract and retain such
professionals, our ability to compete in the industry could be adversely affected.

A General Downturn in the Economy in Future Periods May Adversely Affect Our Business

The current downturn in the economy, and any economic slowdown in future periods, could adversely affect
our business in ways that we cannot predict. During times of economic slowdown, our customers may reduce
their capital expenditures and defer or cancel pending projects. Such developments occur even among customers
that are not experiencing financial difficulties. Any economic downturn may adversely affect the demand for oil
and gas generally or cause volatility in oil and gas commodity prices and, therefore, adversely affect the demand
for our services to the oil and gas industry and related service and equipment. It could also adversely affect the
demand for consumer products, which could in turn adversely affect our thermal solutions business. To the extent
these factors adversely affect other seismic companies in the industry, there could be an oversupply of products
and services and downward pressure on pricing for seismic products and services, which could adversely affect
us. Additionally, bankruptcies or financial difficulties among our customers could reduce our cash flows and
adversely impact our liquidity and profitability.

10

Global Capital and Credit Market Issues Could Negatively Affect Our Liquidity and Increase Our Costs of
Borrowing

United States and global credit markets have recently experienced significant dislocations and liquidity
disruptions which have caused the spreads on prospective debt refinancings to widen considerably. These
circumstances materially impacted liquidity in the debt markets, making financing terms for borrowers less
attractive, and in certain cases have resulted in the unavailability of certain types of debt financing. Events
affecting the credit markets have also had an adverse effect on other financial markets in the United States, which
may make it more difficult or costly in the future for us to borrow additional funds. Our business could also be
negatively impacted if our suppliers or customers experience disruptions resulting from tighter capital and credit
markets or a slowdown in the general economy. Any of these risks could increase our interest expense, or impair
our ability to fund our operations or expand our business, which could have a material adverse effect on our
financial results.

We Have a Minimal Disaster Recovery Program at the Pinemont Facility

Due to its proximity to the Texas Gulf Coast, our Pinemont facility is annually subject to the threat of
hurricanes, and the aftermath that follows. Hurricanes may cause, among other types of damage, the loss of
electrical power for extended periods of time. If we lost electrical power at the Pinemont facility, or if a fire or
other natural disaster occurred, we would be unable to continue our manufacturing operations during the power
outage because we do not own a generator or any other back-up power source large enough to provide for our
manufacturing power consumption needs. We have a backup generator to provide power for our information
technology operations. Although we store our back-up data offsite, we do not maintain an alternative facility to
run our information technology operations. Additionally, we do not have an alternative manufacturing or
operating location in the United States. A significant disruption in our manufacturing and information technology
operations could materially and adversely affect our business operations during an extended period of a power
outage, fire or other natural disaster.

The Credit Agreement Imposes Restrictions on Our Business

Several of our subsidiaries are borrowers under a credit agreement with a bank. The credit agreement
contains covenants and requires maintenance of certain financial ratios and tests, which impose restrictions on
our business and on the business of our borrower-subsidiaries. We currently believe that the most restrictive
covenants in the credit agreement are (i) the fixed charge coverage ratio of EBITDA to certain charges, and
(ii) the cash flow leverage ratio of total borrowings (excluding real estate borrowings) to adjusted EBITDA. Our
ability to comply with these restrictions may be affected by events beyond our control, including, but not limited
to, prevailing economic, financial and industry conditions and continuing declines in our sales of products. The
breach of any of these covenants or restrictions, as well as any failure to make a payment of interest or principal
when due, could result in a default under the credit agreement. Such a default would permit our lender to declare
amounts borrowed from it to be due and payable, together with accrued and unpaid interest, and the ability to
borrow under the credit agreement could be terminated. If we are unable to repay debt to our lender, the lender
could proceed against the collateral securing that debt. While we intend to seek alternative sources of cash in
such a situation, there is no guarantee that any alternative cash source would be available, or would be available
on terms favorable to us.

We May Not Be Able to Extend or Replace Our Existing Credit Agreement

Our existing credit agreement with a bank expires in April 2011. While we are attempting to extend or
replace our credit agreement, we have no assurance that we will be able to do so or to do so on terms that are
commercially satisfactory to us.

11

Our Industry Is Characterized By Rapid Technological Development and Product Obsolescence

Our instruments and equipment

in both of our business segments are constantly undergoing rapid

technological improvement. Our future success depends on our ability to continue to:

•

•

improve our existing product lines,

address the increasingly sophisticated needs of our customers,

• maintain a reputation for technological leadership,

• maintain market acceptance of our products,

•

•

•

anticipate changes in technology and industry standards,

respond to technological developments on a timely basis, and

develop new markets for our products and capabilities.

Current competitors or new market entrants may develop new technologies, products or standards that could
render our products obsolete. We cannot assure you that we will be successful in developing and marketing, on a
timely and cost effective basis, product enhancements or new products that
respond to technological
developments, that are accepted in the marketplace or that comply with new industry standards. Additionally, in
anticipation of customer product orders, from time to time we acquire substantial quantities of inventories, which
if not sold or integrated into products within a reasonable period of time, could become obsolete. We would be
required to impair the value of such inventories on our balance sheet.

Item 1B. Unresolved Staff Comments

None.

Item 2. Properties

As of September 30, 2010, our operations included the following locations:

Location

Owned/Leased

Approximate
Square Footage

Use

Houston, Texas . . . . . . . . . . . . . . . . . . . . . . . . .
Houston, Texas . . . . . . . . . . . . . . . . . . . . . . . . .
Ufa, Bashkortostan, Russia . . . . . . . . . . . . . . . .
Calgary, Alberta, Canada . . . . . . . . . . . . . . . . .
Luton, Bedfordshire, England . . . . . . . . . . . . . .
Beijing, China . . . . . . . . . . . . . . . . . . . . . . . . . .

Owned
Owned
Owned
Owned
Owned
Leased

387,000
77,000
120,000
45,000
8,000
1,000

See Note 1 below
See Note 2 below
Manufacturing, sales and service
Manufacturing, sales and service
Sales and service
Sales and service

We believe that our facilities are adequate for our current and immediately projected needs.

(1) This property is located at 7007 Pinemont Drive in Houston, Texas (the “Pinemont facility”). The Pinemont
facility contains all manufacturing, engineering, selling, marketing and administrative activities for both the
seismic and thermal solution segment of our company in the United States. The Pinemont facility also
serves as our company headquarters.

(2) This property, located at 7334 N. Gessner in Houston, Texas (the “Gessner facility”), previously contained a
manufacturing operation and certain support functions. In February 2006, we entered into a seven-year lease
with a tenant whereby the tenant agreed to lease portions of the building up to August 15, 2008, and to lease
the entire building from August 16, 2008 through February 14, 2013. The lease agreement was recently
amended to allow the tenant the option to lease the entire building through July 31, 2020.

12

Item 3. Legal Proceedings

From time to time we are a party to what we believe is routine litigation and proceedings that may be

considered as part of the ordinary course of our business.

On July 8, 2009, the Company received a complaint filed in the United States District Court in Nevada
alleging that the Geospace Seismic Recorder (“GSR”), the Company’s newly developed wireless data acquisition
system, infringes upon a patent held by Ascend Geo, LLC (“Ascend”). The Company requested and was granted
a change in venue to the United States District Court for the Southern District of Texas in Houston (the “Court”).
In addition to monetary damages, Ascend requested a preliminary injunction against future sales by the Company
of the GSR nodal system. The Company filed its response with the Court requesting that it deny Ascend’s request
for a preliminary injunction and, on November 4, 2009, the Court denied Ascend’s request for a preliminary
injunction. The Company strongly believes that the GSR nodal system does not violate Ascend’s patent. The
Company also strongly believes that Ascend’s patent is not valid and has petitioned the United States Patent and
Trademark Office (“PTO”) to re-examine its validity. On November 12, 2009, the PTO found that substantial
new questions of patentability were raised by the petition as to each of the claims of the Ascend patent and issued
an office action rejecting each of the claims based on prior art that the Company submitted to the PTO. Based on
the PTO’s initial finding of invalidity of Ascend’s patent claims, the Company petitioned the Court to stay the
litigation until the PTO can complete its reexamination of Ascend’s patent. The Court accepted the Company’s
request on December 11, 2009. On May 20, 2010, after full briefing from both Ascend and the Company, the
PTO examiner found all claims to be invalid. On September 17, 2010, Ascend filed a notice of appeal to the
Board of Patent Appeals and Interferences, and, so the reexamination continues. According to Ascend’s website,
it ceased business operations on July 15, 2010. The Company will continue to defend vigorously its right to build
and sell its GSR products and based on developments to date, the Company believes that the matter will be
resolved satisfactorily in its favor. The Company further believes that Ascend’s claims are without merit and
intends to seek recovery of its attorney fees. At this time, however, the Company is unable to predict the outcome
of its dispute regarding Ascend’s patent or Ascend’s claims.

13

PART II

Item 5. Market for Registrant’s Common Equity and Related Stockholder Matters

The following graphs compare the performance of the Company’s common stock with the performance of
the Russell 2000 index and the Standard & Poor’s Oil & Gas Equipment and Services index as of each of the
dates indicated.

COMPARISON OF 5 YEAR CUMULATIVE TOTAL RETURN*
Among OYO Geospace Corporation, The Russell 2000 Index
And The S&P Oil & Gas Equipment & Services Index

$500

$450

$400

$350

$300

$250

$200

$150

$100

$50

$0

9/05

9/06

9/07

9/08

9/09

9/10

OYO Geospace Corporation

Russell 2000

S&P Oil & Gas Equipment & Services

* $100 invested on 9/30/05 in stock or index,

including reinvestment of dividends. Fiscal year ending

September 30.

Copyright© 2010 S&P, a division of The McGraw-Hill Companies Inc. All rights reserved.

The graph assumes $100 invested on September 30, 2005 (a) in the Company’s common stock, (b) in the
stocks comprising the Russell 2000 index on that day and (c) in the stocks comprising the Standard & Poor’s
Oil & Gas Equipment and Services index on that day. Reinvestment of all dividends on stocks comprising the
two indices is assumed. The foregoing graphs are based on historical data and are not necessarily indicative of
future performance. These graphs shall not be deemed to be “soliciting material” or to be “filed” with the
Securities and Exchange Commission or subject to the Regulations of 14A or 14C under the Exchange Act or to
the liabilities of Section 18 of the Exchange Act.

Our common stock is quoted on The NASDAQ Global Market under the symbol “OYOG”. On December 7,
2010, there were approximately 21 holders of record of our common stock, and the closing price per share on
such date was $86.28 as quoted by The NASDAQ Global Market.

14

The following table shows the high and low per share sales prices for our common stock reported on The

NASDAQ Global Market.

Year Ended September 30, 2010:
Fourth Quarter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Third Quarter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Second Quarter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
First Quarter

Low

High

$45.17
41.23
33.85
23.02

$58.40
55.47
50.47
43.70

Year Ended September 30, 2009:
Fourth Quarter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Third Quarter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Second Quarter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
First Quarter

$19.05
12.52
9.00
15.37

$28.62
26.24
23.60
40.73

Since our initial public offering in 1997, we have not paid dividends, and we do not intend to pay cash
dividends on our common stock in the foreseeable future. We presently intend to retain our earnings for use in
our business, with any future decision to pay cash dividends dependent upon our growth, profitability, financial
condition and other factors our Board of Directors may deem relevant. Our existing credit agreement also has
covenants that materially limit our ability to pay dividends. For a discussion of our credit agreement, see the
section entitled “Management’s Discussion and Analysis of Financial Condition and Results of Operation—
Liquidity and Capital Resources” contained in this Annual Report on Form 10-K.

The following equity plan information is provided as of September 30, 2010:

Equity Compensation Plan Information

Number of Securities to be
Issued upon Exercise of
Outstanding Options,
Warrants and Rights
(a)

Weighted-average Exercise
Price of Outstanding Options,
Warrants and Rights
(b)

Number of Securities
Remaining Available for
Future Issuance Under
Equity Compensation Plans
(Excluding Securities
Reflected in Column (a))
(c)

407,800

$18.53

135,896

900

$13.76

19,000

Plan Category

Equity Compensation Plans
Approved by Security
Holders . . . . . . . . . . . . . . . . . . .

Equity Compensation Plans Not

Approved by Security
Holders . . . . . . . . . . . . . . . . . . .

The securities are to be issued pursuant to the Company’s 1999 Broad-Based Option Plan. A description of
such plan is provided in Note 9 to the consolidated financial statements contained in this Annual Report on
Form 10-K.

15

Item 6. Selected Consolidated Financial Data

The following table sets forth certain selected historical financial data on a consolidated basis. The selected
consolidated financial data was derived from our consolidated financial statements. The selected consolidated
financial data should be read in conjunction with our consolidated financial statements appearing elsewhere in
this Annual Report on Form 10-K. When reviewing the table below, please also note the recent transactions and
new accounting pronouncements described in the section entitled “Management’s Discussion and Analysis of
Financial Condition and Results of Operations—Critical Accounting Policies”, contained in this Annual Report
on Form 10-K.

Year Ended September 30,

2010

2009

2008

2007

2006

(in thousands, except share and per share amounts)

Statement of Operations Data:
Sales . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cost of sales . . . . . . . . . . . . . . . . . . . . . . . . .

$ 128,533
81,177

$

Gross profit . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating expenses:

Selling, general and administrative . . . .
Research and development
. . . . . . . . . .
Bad debt expense (recovery) . . . . . . . . .

Total operating expenses . . . . . . . . . . . . . . . .

Gain (loss) on sale of assets . . . . . . . . .

Income from operations . . . . . . . . . . . . . . . .
Other income (expense), net . . . . . . . . . . . . .

Income before income taxes . . . . . . . . . . . . .
Income tax expense . . . . . . . . . . . . . . . . . . . .

47,356

16,618
9,925
(479)

26,064

(184)

21,108
(206)

20,902
6,820

92,860
66,287

26,573

14,572
8,062
318

22,952

(12)

3,609
(298)

3,311
1,551

$ 134,495
87,441

$ 138,106
87,587

$ 103,700
67,397

47,054

50,519

36,303

16,913
8,945
1,615

27,473

604

20,185
233

20,418
6,266

16,492
7,327
236

24,055

1,655

28,119
118

28,237
8,638

14,912
6,634
208

21,754

(98)

14,451
(204)

14,247
4,477

Net income . . . . . . . . . . . . . . . . . . . . . . . . . .

$

14,082

$

1,760

$

14,152

$

19,599

$

9,770

Net income per share:

Basic . . . . . . . . . . . . . . . . . . . . . . . . . . .

Diluted . . . . . . . . . . . . . . . . . . . . . . . . . .

$

$

2.33

2.27

$

$

0.30

0.29

$

$

2.40

2.31

$

$

3.38

3.23

$

$

1.72

1.64

Weighted average shares outstanding:

Basic . . . . . . . . . . . . . . . . . . . . . . . . . . .
Diluted . . . . . . . . . . . . . . . . . . . . . . . . . .

6,031,314
6,193,018

5,950,403
6,079,378

5,908,727
6,116,039

5,793,840
6,063,446

5,686,600
5,955,912

Other Financial Data:
Depreciation, amortization and stock-based

compensation . . . . . . . . . . . . . . . . . . . . . . .
Capital expenditures . . . . . . . . . . . . . . . . . . .

$

$

5,629
6,117

$

5,472
1,709

$

4,598
9,796

3,912
17,007

$

4,499
4,775

2010

2009

2008

2007

2006

As of September 30,

(in thousands)

Balance Sheet Data:
Working capital . . . . . . . . . . . . . . . . . . . . . . .
Total assets . . . . . . . . . . . . . . . . . . . . . . . . . .
Short-term debt . . . . . . . . . . . . . . . . . . . . . . .
Long-term debt
. . . . . . . . . . . . . . . . . . . . . . .
Stockholders’ equity . . . . . . . . . . . . . . . . . . .

$

91,577
163,496
440
7,260
136,586

$

82,842
141,482
728
8,820
118,658

$

82,475
159,380
709
19,526
117,363

$

60,329
128,162
322
5,147
102,370

$

50,615
109,176
312
7,440
75,767

We did not declare or pay any dividends during any of the periods noted in the above tables.

16

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

The following is management’s discussion and analysis of the major elements of our consolidated financial
statements. You should read this discussion and analysis together with our consolidated financial statements,
including the accompanying notes, and other detailed information appearing elsewhere in this Annual Report on
Form 10-K, including under the heading “Risk Factors”. The discussion of our financial condition and results of
operations includes various forward-looking statements about our markets, the demand for our products and
services and our future plans and results. These statements are based on assumptions that we consider to be
reasonable, but that could prove to be incorrect. For more information regarding our assumptions, you should
refer to the section entitled “—Forward-Looking Statements and Assumptions” contained in this Item 7 in this
Annual Report on Form 10-K.

Background

We design and manufacture instruments and equipment used in the acquisition and processing of seismic
data as well as in the characterization and monitoring of producing oil and gas reservoirs. We have been in the
seismic instrument and equipment business since 1980 and market our products primarily to the oil and gas
industry. We also design, manufacture and distribute thermal imaging equipment and thermal media products
targeted at the screen print, point of sale, signage and textile market sectors. We have been manufacturing
thermal imaging products in our Thermal Solutions segment since 1995. For a more detailed discussion of our
business segments and products, see the information under the heading “Business” in this Annual Report on
Form 10-K.

Worldwide Economic Slowdown

Demand for many of our products depends primarily on the level of worldwide oil and gas exploration
activity. That activity, in turn, depends primarily on prevailing oil and gas prices and availability of seismic data.
The 2008 domestic financial crisis arising out of the meltdown of the subprime lending market caused significant
distress to many global financial lending institutions, leading to a broader global financial crisis and a tightening
of the availability of commercial credit. Recessionary fears, combined with a decline in worldwide demand for
energy, caused energy commodity prices to decline substantially from an all-time high of approximately $145 per
barrel in July 2008. As expected, these events led to a decline in energy exploration activities in North America
and in certain international markets, and we began to see the effects of this decline on our business during the
first fiscal quarter of 2009. We saw demand for many of our seismic exploration products decline, including
significant declines in our Russian and Canadian seismic exploration markets. Despite signs of an economic
recovery earlier in 2010, the recent falterings in the European markets have renewed the uncertainty of the
worldwide economic situation. We continue to believe that some of our seismic customers may not possess the
financial resources ultimately required to survive the prolonged downturn in energy exploration, while others
have scaled back their activities until financial markets stabilize further and demand for exploration activities
increases.

The uncertainty of these global economic matters and their ultimate impact on energy exploration activities
and on our customers’ ability to access credit markets is difficult to forecast, and a decline in the demand for our
seismic exploration products is likely to continue for the present time. Due to the sporadic demand for our
seismic reservoir products, we have often described this portion of our seismic business as “lumpy.” In this
current environment, we expect our seismic business levels will be even more erratic, including potential orders
for our new land and marine-based nodal acquisition systems. Singular events may result in severe swings in our
future revenues in both positive and negative directions. If these economic events continue into the foreseeable
future, they could have a material adverse impact on our revenues and profits in future years.

While we have seen some recovery in the demand for our products, we remain cautious regarding the future
and we continue to monitor the impact that these economic conditions may have on our operations. We believe

17

that our current cash balances, cash flow from operations and cash borrowings available under our credit facility
will provide sufficient resources to meet our working capital liquidity needs for the next twelve months.

April 2010 Offshore Drilling Operations Disaster

In April 2010, a deepwater Gulf of Mexico drilling rig, Deepwater Horizon, sank after a blowout and fire,
causing substantial loss of life and property and substantial environmental damage to U.S. coastal areas in the
Gulf of Mexico. In response to this incident, the U.S. Department of the Interior issued a notice on May 30, 2010
implementing a six-month moratorium on certain drilling activities in the Gulf of Mexico. Implementation of the
moratorium was blocked by a U.S. district court, which was subsequently affirmed on appeal, but on July 12,
2010, a new moratorium was issued applying to deep-water drilling operations that use subsea blowout
preventers or surface blowout preventers on floating facilities. On December 1, 2010, the U.S. Department of the
Interior announced that the Atlantic Coast and the eastern Gulf of Mexico would be closed to offshore oil and gas
drilling through 2017. We are not able at this time to predict the risks these developments may present to the
Company and the ultimate effect thereof on our business that is related to marine and coastal oil and gas
exploration activities.

Consolidated Results of Operations

The economic slowdown adversely affected our product revenues in fiscal year 2009. In fiscal year 2009,
we experienced declines in almost every major product category in each of our business segments. In fiscal year
2010 product revenues increased from fiscal year 2009 in most product categories. We have not sold any large-
scale seabed reservoir characterization products since fiscal year 2007, although a smaller seabed system was
sold in fiscal year 2010. These reservoir characterization products generally have higher profit margins than our
traditional seismic exploration products.

In fiscal years 2008 and 2009, revenues from our reservoir characterization products declined substantially
from fiscal year 2007 when we recognized $16.2 million of revenues from the sale of a seabed reservoir
characterization system. In fiscal year 2010 revenues increased substantially, but not to the level of fiscal year
2007. As we have reported in the past, our sales and operating profits have varied significantly from
quarter-to-quarter, and even year-to-year, and are expected to continue that trend in the future, especially when
our quarterly financial results are impacted by the presence or absence of these relatively large, but somewhat
erratic, shipments of seismic seabed and/or borehole reservoir characterization systems. At present, we do not
have any large orders for seabed reservoir characterization products in our backlog, although we remain
optimistic about on-going discussions with customers concerning these products. The quote-to-contract time for
large permanent and retrievable seabed seismic data acquisition systems is generally quite long, and since these
sales are not recognized in our financial statements until the products are shipped and/or accepted by our
customer, the exact timing of any future sales can dramatically affect our quarterly results.

In fiscal years 2010 and 2009, our subsidiaries located in the Russian Federation and in Canada experienced
significant declines in sales and,
together, generated operating losses of $1.3 million and $3.3 million,
respectively. The difficult seismic market conditions in the Russian Federation resulted from a decline in oil
exploration activities precipitated in part by the severe drop in crude oil commodity prices (relative to prices in
prior years) and a higher federal tax imposed upon Russian producers of crude oil for export. In addition, our
Houston-based manufacturing operation significantly reduced the purchase of products manufactured by our
Russian subsidiary in an effort to stabilize and eventually reduce our consolidated inventory levels. The resulting
low factory utilization, combined with intense competition for declining seismic product orders in the Russian
market, contributed to the poor financial results of our Russian subsidiary during fiscal years 2010 and 2009. In
regards to our subsidiary in Canada, high levels of natural gas storage and low natural gas demand in North
America significantly reduced natural gas-oriented seismic exploration activities both in the United States and in
Canada, resulting in low levels of product sales and the under-utilization of our seismic rental equipment. The

18

lower level of sales recorded by our Canadian subsidiary was not adequate to offset fixed costs associated with
rental equipment depreciation and facility utilization as well as general overhead costs. We expect to see signs of
improvement in the seismic market conditions in the Russian Federation and in Canada in the near future and we
believe the operating results of these subsidiaries in fiscal year 2011 will improve from fiscal year 2010.

We report and evaluate financial information for two segments: Seismic and Thermal Solutions. Summary

financial data by business segment follows (in thousands):

Year Ended September 30,

2010

2009

2008

Seismic

Exploration product sales . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Reservoir product sales and services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Industrial product sales . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Total seismic sales . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating income . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$ 89,777
14,600
10,397

114,774
28,955

$59,084
12,020
7,939

79,043
10,591

$ 92,578
15,784
10,250

118,612
27,078

Thermal Solutions

Sales . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating income . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

12,955
397

13,028
370

15,201
1,283

Corporate

Sales . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating loss . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

804
(8,244)

789
(7,352)

682
(8,176)

Consolidated Totals

Sales . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating income . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

128,533
21,108

92,860
3,609

134,495
20,185

Overview

Fiscal Year 2010 Compared to Fiscal Year 2009

Consolidated net sales for fiscal year 2010 increased $35.7 million, or 38.4%, from fiscal year 2009. The
higher level of sales stems from the increase in customer demand for our seismic products and particularly robust
demand for our land-based wireless (or nodal) data acquisition systems. The increased demand for our seismic
products in fiscal year 2010 was driven by higher crude oil commodity prices and increased natural gas
exploration activities in North America.

Consolidated gross profits for fiscal year 2010 increased by $20.8 million, or 78.2%, from fiscal year 2009.
The increase in gross profits was caused by an increase in sales of our products, improved factory utilization and
a favorable product mix.

Consolidated operating expenses for fiscal year 2010 increased $3.1 million, or 13.6%, from fiscal year
2009. Increased operating expenses primarily resulted from a $2.3 million increase of incentive compensation
resulting from higher consolidated pretax profits, and general expense increases due to higher sales volume.
These operating expense increases were partially offset by lower bad debt expenses resulting from improved
collection of our outstanding accounts receivable.

The U.S. statutory rate applicable to us for fiscal years 2010 and 2009 was 35.0% and 34.0%, respectively;
however, our effective tax rate was 32.6% and 46.8% for fiscal years 2010 and 2009, respectively. The lower
effective tax rate in fiscal year 2010 resulted from (i) the impact of the manufacturers’/producers’ deduction
available in the United States, (ii) a revaluation of our United States net deferred tax assets from 34.0% to 35.0%,
(iii) the revaluation of a tax loss carryback for our Canadian subsidiary, and (iv) a reduction in our contingent tax
expenses. The United States Congress has not extended the provision for research and experimentation credits

19

beyond calendar year 2009; therefore, the Company has not recorded any related tax benefit of such credits beyond
its first quarter ended December 31, 2009. The higher effective tax rate for fiscal year 2009 resulted primarily from
pretax losses in foreign taxing jurisdictions having lower statutory tax rates than the U.S. statutory rate.

Fiscal Year 2009 Compared to Fiscal Year 2008

Consolidated net sales for fiscal year 2009 decreased $41.6 million, or 31.0%, from fiscal year 2008. The
decrease in sales resulted from the decline in customer demand for our seismic products as a result of the effects
of the worldwide economic slowdown and its impact on energy exploration activities.

Consolidated gross profits for fiscal year 2009 decreased by $20.5 million, or 43.5%, from fiscal year 2008.
The decline in gross profits was caused by a decline in sales of our products, competitive pricing initiatives and
higher manufacturing costs resulting from under-utilized factory capacity.

Consolidated operating expenses for fiscal year 2009 decreased $4.5 million, or 16.5%, from fiscal year
2008. Reduced operating expenses reflected initiatives taken by management in response to the decline in sales,
and also reflect a $1.9 million reduction of incentive compensation expenses caused by lower consolidated pretax
profits.

The U.S. statutory rate applicable to us for the periods reported was 34.0% and 35.0%, respectively;
however, our effective tax rate was 46.8% and 30.7% for fiscal years 2009 and 2008, respectively. The higher
effective tax rate for fiscal year 2009 resulted primarily from pretax losses in foreign taxing jurisdictions having
lower statutory tax rates than the U.S. statutory rate. The lower tax rate in fiscal year 2008 resulted from pretax
income earned in foreign taxing jurisdictions having lower statutory tax rates than the U.S. statutory tax rate, and
the impact of research and experimentation tax credits available in the United States.

Segment Results of Operations

Seismic Products

Fiscal Year 2010 Compared to Fiscal Year 2009

Net Sales. Sales of our seismic products for fiscal year 2010 increased $35.7 million, or 45.2%, from fiscal
year 2009. The increase in sales is due to a higher demand for most of our seismic products caused by increased
oil and gas exploration activities worldwide. In addition, we experienced robust demand for our land-based
wireless (or nodal) data acquisition system.

Operating Income. Operating income from sales of our seismic products for fiscal year 2010 increased
$18.4 million, or 173.4%, from fiscal year 2009. The higher operating income is directly related to (i) improved
product sales and product mix, (ii) higher factory utilization resulting from increased manufacturing activities,
(iii) improved operating results from our subsidiary in the Russian Federation, and (iv) the leveraging of fixed
operating expenses over a greater volume of revenues.

Fiscal Year 2009 Compared to Fiscal Year 2008

Net Sales. Sales of our seismic products for fiscal year 2009 decreased $39.6 million, or 33.4%, from fiscal
year 2008. The decline in sales was due to a decline in the demand for all of our seismic products, including a
$10.7 million decline in sales from our Russian and Canadian operations. Reduced product demand resulted from
a reduction in oil and gas exploration and development activities precipitated by the global economic crisis and
the prevailing uncertainty about future oil and gas commodity prices.

Operating Income. Operating income from sales of our seismic products for fiscal year 2009 decreased
$16.5 million, or 60.9%, from fiscal year 2008. The decline in our operating income was directly related to the

20

significant decline in our seismic product sales, competitive pricing initiatives and under-utilization of our
manufacturing capacity. In particular, our Russian and Canadian subsidiaries generated $3.3 million of operating
losses during fiscal year 2009 due to significantly lower sales, under-utilization of plant and equipment, and
intense pricing pressures from competitors for our commodity seismic products.

Thermal Solutions Products

Fiscal Year 2010 Compared to Fiscal Year 2009

Net Sales. Sales of our thermal solutions products for fiscal year 2010 decreased $73,000, or 0.6%, from
fiscal year 2009. We consider this small decrease to be somewhat normal due to recurring fluctuations in product
sales volume and not associated with any long-term trend.

Operating Income. Our operating income from our thermal solutions products for fiscal year 2010 increased
$27,000, or 7.3%, from fiscal year 2009. The increase in operating income is caused by increased production
efficiencies.

Fiscal Year 2009 Compared to Fiscal Year 2008

Net Sales. Sales of our thermal solutions products for fiscal year 2009 decreased $2.2 million, or 14.3%,
from fiscal year 2008. The decline in sales resulted from weaker demand of all thermal product categories due to
a weakening economic climate and tight credit markets impacting many of our smaller customers in this business
segment.

Operating Income. Our operating income from our thermal solutions products for fiscal year 2009 decreased
$0.9 million, or 71.2%, from fiscal year 2008. The decline in operating income was caused by the decline in our
thermal product sales and higher manufacturing costs.

Incentive Compensation Program

We adopted an incentive compensation program for fiscal year 2010 whereby most employees will be
eligible to begin earning incentive compensation if the Company reaches a five percent pretax return on
stockholders’ equity, determined as of September 30, 2009. To be eligible to participate in this incentive
compensation program, employees must participate in our Core Values Program. Based on our experience in
prior years, we expect one hundred percent of our eligible employees to participate in the Core Values Program.
The incentive compensation program does not apply to the employees of our Russian subsidiary as such
employees participate in a locally administered bonus program. Certain non-executive employees are required to
achieve performance goals to earn a significant portion of their total incentive compensation award. Any bonus
awards earned under this program in fiscal year 2010 will be paid out to eligible employees after the end of the
fiscal year.

Upon reaching the five percent threshold under this proposed program, an incentive compensation accrual
will be established equal to 16.7 percent of the amount of any consolidated pretax profits above the five percent
pretax return threshold. The maximum aggregate bonus available under the program for fiscal year 2010 is
$3.4 million and we have accrued $3.3 million of incentive compensation expense for fiscal year 2010.

Liquidity and Capital Resources

At September 30, 2010, we had $33.5 million in cash and cash equivalents. For fiscal year 2010, we
generated approximately $30.0 million of cash from our operating activities. Sources of cash generated in our
operating activities include net income of $14.1 million. Additional sources of cash include net non-cash charges
of $6.6 million for deferred income tax expense, depreciation, amortization, stock-based compensation, inventory

21

obsolescence and bad debts. Other sources of cash included (i) a $6.7 million decrease in inventories due to
improved management activities, (ii) a $5.0 million increase in accrued expenses primarily resulting from higher
incentive compensation costs resulting from higher levels of pretax income and (iii) a $1.9 million increase in
income taxes payable primarily resulting from the increase in taxable income. These sources of cash were offset
by (i) a $2.7 million increase in accounts and notes receivable resulting from higher levels of sales, (ii) a
$0.9 million decrease in accounts payable due to increases in purchases of raw materials and (iii) a $0.9 million
decrease in prepaid expenses and other resulting from the timing of funding our payrolls.

Over the last 18 months, we have reduced our inventory levels significantly in order to liquidate excess
quantities on hand, and to generate cash flows to reduce our outstanding indebtedness. Although our levels of
inventory again declined in fiscal year 2010, we continue to be subject to high levels of inventory obsolescence
expense since our exposure to obsolete and slow moving inventories continues in the current environment. We
continue to give substantial attention to the management of our inventories in this area.

For fiscal year 2010, we used approximately $6.1 million of cash in investing activities primarily resulting
from our capital expenditures for rental equipment. In addition, we transferred $0.3 million of inventories to our
rental equipment during fiscal year 2010 which had a non-cash impact. Due to high demand for our wireless
rental equipment, we estimate that our total capital expenditures in fiscal year 2011 could be approximately
$20.0 million, including non-cash additions to our rental fleet. We expect these capital expenditures will be
financed from our cash on hand, internal cash flow and/or from borrowings under our Credit Agreement.

For fiscal year 2010, we generated approximately $1.3 million of cash in the financing activities of our
operations. Sources of cash included $3.3 million of proceeds from the exercise of stock options and related tax
benefits. These sources of cash were offset by $1.8 million of principal payments under mortgage loans and a
$0.1 million payment as a penalty for early extinguishment of debt.

At September 30, 2009, we had $8.6 million in cash and cash equivalents. For fiscal year 2009, we
generated approximately $17.3 million of cash in operating activities. Sources of cash generated in our operating
activities resulted from net income of $1.8 million. Additional sources of cash include net non-cash charges of
$7.5 million for deferred income tax expense, depreciation, amortization, stock-based compensation, inventory
obsolescence and bad debts. Other sources of cash included a $14.3 million decrease in accounts and notes
receivable due to improved collections and lower levels of product sales, and a $3.2 million decrease in
inventories. These sources of cash were offset by (i) a $4.2 million decrease in accrued expenses primarily
resulting from a decline in payroll-related costs due to employee headcount reductions and lower incentive
compensation costs resulting from lower levels of pretax income, (ii) a $3.4 million decrease in accounts payable
due to declines in purchases of raw materials and other expense reductions and (iii) a $1.4 million decrease in
income taxes payable primarily resulting from the decrease in taxable income.

For fiscal year 2009, we used approximately $1.7 million of cash in investing activities resulting from our
capital expenditures. We estimate that our total capital expenditures in fiscal year 2010 will be approximately
$3.5 million. We expect these capital expenditures will be financed from our internal cash flow and/or from
borrowings under our Credit Agreement.

For fiscal year 2009, we used approximately $9.7 million of cash in the financing activities of our
operations, resulting from $10.0 million of principal payments under the Credit Agreement and $0.7 million
principal payments for our mortgage loans. These uses of cash were offset by $1.0 million of proceeds from the
exercise of stock options and related tax benefits.

At September 30, 2008, we had $1.6 million in cash and cash equivalents. For fiscal year 2008, we used
approximately $8.0 million of cash in operating activities. Sources of cash generated in our operating activities
primarily resulted from our net income of $14.2 million. Additional sources of cash included non-cash charges to
our net income of $0.4 million for deferred taxes, $4.6 million for depreciation and amortization, $1.6 million for

22

bad debts, and $1.0 million for inventory obsolescence. These sources of cash were more than offset by (i) a
$15.1 million increase in inventories resulting from the production of new products (primarily for our new
wireless data acquisition system) and from growth in our work-in-process inventories resulting from an increase
in our customer order backlog, (ii) a $13.7 million increase in trade accounts and notes receivable resulting from
sales to customers requesting long-term financing assistance combined with a general increase in collection days,
and (iii) the removal of a $0.6 million gain on disposal of property, plant and equipment.

For fiscal year 2008, we used approximately $9.1 million of cash in investing activities,

including
$9.8 million for capital expenditures, which was partially offset by $0.7 million of cash proceeds from the sale of
property, plant and equipment, primarily from the sale of a portion of a surplus property located in the Russian
Federation.

For fiscal year 2008, we generated approximately $16.4 million of cash in the financing activities of our
operations, resulting from (i) $9.1 million of net borrowings under the Credit Agreement, (ii) $8.8 million
borrowed under a term loan secured by a mortgage on our Pinemont facility and (iii) $1.6 million of proceeds
from the exercise of stock options and related tax benefits. These sources of cash were offset by $3.1 million of
principal payments under mortgage loans.

On November 22, 2004, several of our subsidiaries entered into a credit agreement (the “Original Credit
Agreement”) with a bank. The Original Credit Agreement has been amended periodically since 2004, and most
recently on April 30, 2009 (as so amended, the “Credit Agreement”). Under the Credit Agreement, our borrower
subsidiaries can borrow up to $25.0 million principally secured by their accounts receivable, inventories and
equipment. The Credit Agreement expires on April 30, 2011. The Credit Agreement limits the incurrence of
additional indebtedness, requires the maintenance of certain financial ratios, restricts our and our subsidiaries’
ability to pay dividends and contains other covenants customary in agreements of this type. We believe the most
restrictive covenants in the Credit Agreement are (i) the fixed charge coverage ratio of EBITDA to certain
charges, and (ii) the cash flow leverage ratio of total borrowings (excluding real estate borrowings) to adjusted
EBITDA. The interest rate for borrowings under the Credit Agreement is a LIBOR based rate with a margin
spread of 300-400 basis points depending upon the maintenance of certain ratios. At September 30, 2010, there
were no borrowings under the Credit Agreement, standby letters of credit outstanding in the amount of $0.4
million and additional borrowings available of $24.6 million. At September 30, 2009, there were no borrowings
under the Credit Agreement, standby letters of credit outstanding in the amount of $0.9 million and additional
borrowings available of $15.9 million.

We are seeking to extend the credit facility and expect to be able to do so, but have no assurances that we
will be able to do so. We anticipate that the existing cash balance as of September 30, 2010, cash flow from
operations and borrowing available under our existing credit facility, assuming it is extended, or borrowing under
a new credit facility will provide adequate cash flows and liquidity for the next twelve months to satisfy capital
expenditure requirements and scheduled debt payments and to fund operations.

On March 13, 2008, we obtained an $8.8 million mortgage from a bank. The proceeds were used to pay off
our existing $2.6 million mortgage on the Pinemont facility and the remaining proceeds were used to repay
outstanding borrowings under the Credit Agreement. The mortgage is collateralized by the Pinemont property
and buildings. The mortgage interest rate is a floating rate based on LIBOR plus 150 basis points.

23

A summary of future payments owed for contractual obligations and commercial commitments as of

September 30, 2010 are shown in the table below (in thousands):

Contractual Obligations:
Long-term debt

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Commercial Commitments:

Payment Due By Period

Total

Less Than
1 Year

1 – 3
Years

3 – 5
Years

After 5
Years

$7,700

$440

$880

$880

$5,500

Lines of Credit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

—

—

— —

—

Total Contractual Obligations and Commercial

Commitments: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$7,700

$440

$880

$880

$5,500

Off-Balance Sheet Arrangements

We do not have any obligations which meet the definition of an off-balance sheet arrangement and which
have or are reasonably likely to have a current or future effect on our financial statements or the items contained
therein that are material to investors.

Critical Accounting Policies

The preparation of financial statements in conformity with accounting principles generally accepted in the
United States requires the use of estimates and assumptions that affect the amounts reported in the financial
statements and accompanying notes. We consider many factors in selecting appropriate operational and financial
accounting policies and controls, and in developing the estimates and assumptions that are used in the
preparation of these financial statements. We continually evaluate our estimates, including those related to bad
debt reserves, inventory obsolescence reserves, self-insurance reserves for medical expenses, product warranty
reserves, intangible assets, stock-based compensation and deferred income tax assets. We base our estimates on
historical experience and various other factors, including the impact from the current economic conditions, that
we believe to be reasonable under the circumstances. Actual results may differ from these estimates under
different conditions or assumptions.

Our normal credit terms for trade receivables are 30 days. In certain situations, credit terms for trade
receivables may be extended to 60 days or longer and such receivables generally do not require collateral.
Additionally, we provide long-term financing in the form of promissory notes when competitive conditions
require such financing and, in such cases, we may require collateral. We perform ongoing credit evaluations of
our customers’ accounts and notes receivable and allowances are recognized for potential credit losses.

Our long-lived assets are reviewed for impairment whenever an event or change in circumstances indicates
the carrying amount of an asset or group of assets may not be recoverable. The impairment review, if necessary,
includes a comparison of expected future cash flows (undiscounted and without interest charges) to be generated
by an asset group with the associated carrying value of the related assets. If the carrying value of the asset group
exceeds the expected future cash flows, an impairment loss is recognized to the extent that the carrying value of
the asset group exceeds its fair value.

Management makes judgments regarding the interpretation of tax laws that might be challenged upon an
audit and causes changes to previous estimates of tax liability. In addition, we operate within multiple taxing
jurisdictions and are subject to audit in these jurisdictions as well as by the Internal Revenue Service. In
management’s opinion, adequate provisions for income taxes have been made for all open tax years. The
potential outcomes of examinations are regularly assessed in determining the adequacy of the provision for
income taxes and income tax liabilities. Management believes that adequate provisions have been made for
reasonable and foreseeable outcomes related to uncertain tax matters.

24

We record a write-down of our inventories when the cost basis of any manufactured product, including any
estimated future costs to complete the manufacturing process, exceeds its net realizable value. Inventories are
stated at the lower of cost (as determined by the first-in, first-out method) or market value. Our subsidiary in the
Russian Federation uses an average cost method to value its inventories.

We periodically review the composition of our inventories to determine if market demand, product
modifications, technology changes, excessive quantities on-hand and other factors hinder our ability to recover
its investment in such inventories. Management’s assessment is based upon historical product demand, estimated
future product demand and various other judgments and estimates. Inventory obsolescence reserves are recorded
when such assessments reveal that portions or components of our inventory investment will not be realized in our
operating activities.

We primarily derive revenue from the sale, and short-term rental under operating leases, of seismic
instruments and equipment and thermal solutions products. We generally recognize sales revenues when our
products are shipped and title and risk of loss have passed to the customer. We recognize rental revenues as
earned over the rental period. Rentals of our equipment generally range from daily rentals to rental periods of up
to nine months or longer. Except for certain of our reservoir characterization products, our products are generally
sold without any customer acceptance provisions and our standard terms of sale do not allow customers to return
products for credit. In instances where the customer requires a significant performance test for our new and
unproven products, we do not recognize the revenue attributable to the product as to which the performance test
applies until the performance test is satisfied. Collection of revenue from the sale of large-scale reservoir
characterization products may occur at various stages of production or after delivery of the product, and the
collected funds are not refundable to the customer.

Most of our products do not require installation assistance or sophisticated instruction. We offer a standard
product warranty, which obligates us to repair or replace equipment with manufacturing defects. We maintain a
reserve for future warranty costs based on historical experience or, in the absence of historical experience,
management estimates. We record a write-down of inventory when the cost basis of any item (including any
estimated future costs to complete the manufacturing process) exceeds its net realizable value.

We recognize revenue when all of the following criteria are met:

• Persuasive evidence of an arrangement exists. We operate under a purchase order/contract system for
goods sold to customers, and under rental/lease agreements for equipment rentals. These documents
evidence that an arrangement exists.

• Delivery has occurred or services have been rendered. For product sales, we do not recognize revenues
until delivery has occurred or performance tests are met. For rental revenue, we recognize revenue
when earned.

•

The seller’s price to the buyer is fixed or determinable. Sales prices are defined in writing in a
customer’s purchase order, purchase contract or equipment rental agreement.

• Collectibility is reasonably assured. We evaluate customer credit to ensure collectibility is reasonably

assured.

Occasionally, our seismic customers are not able to take immediate delivery of products which were
specifically manufactured to the customer’s specifications. These occasions generally occur when customers face
logistical issues such as project delays or with their seismic crew deployment. In these instances, our customers
have asked us to hold the equipment for a short period of time until they can take physical delivery of the product
(referred to as “bill and hold” arrangements). We consider the following criteria for recognizing revenue when
delivery has not occurred:

• Whether the risks of ownership have passed to the customer,

25

• Whether we have obtained a fixed commitment to purchase the goods in written documentation from

the customer,

• Whether the customer requested that the transaction be on a bill and hold basis and we received that

request in writing,

• Whether the customer has a substantial business purpose for ordering the goods on a bill and hold

basis,

• Whether there is a fixed schedule for delivery of the product,

• Whether we have any specific performance obligations such that the earning process is not complete,

• Whether the equipment is segregated from our other inventory and not subject to being used to fill

other orders, and

• Whether the equipment is complete and ready for shipment.

We do not modify our normal billing and credit terms for these types of sales. As of September 30, 2010
and 2008, we had no sales under bill and hold arrangements. As of September 30, 2009, we had recognized
$0.6 million of sales under bill and hold arrangements.

Recent Accounting Pronouncements

See Note 1 of our Notes to Consolidated Financial Statements for information regarding the effect of new

accounting pronouncements on our financial statements.

Forward-Looking Statements and Assumptions

This Annual Report on Form 10-K and the documents incorporated by reference herein, if any, contain
“forward-looking” statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and
Section 21E of the Securities Exchange Act of 1934, as amended. You can identify these forward-looking
statements by terminology such as “may”, “will”, “should”, “intend”, “expect”, “plan”, “budget”, “forecast”,
“anticipate”, “believe”, “estimate”, “predict”, “potential”, “continue” or similar words. You should read
statements that contain these words carefully because they discuss our future expectations, contain projections of
our future results of operations or of our financial position or state other forward-looking information. These
forward-looking statements reflect our best judgment about future events and trends based on the information
currently available to us. However, there may be events in the future that we are not able to predict or control.
The factors listed under the caption “Risk Factors”, as well as cautionary language in this Annual Report on
Form 10-K, provide examples of risks, uncertainties and events that may cause our actual results to differ
materially from the expectations we describe in our forward-looking statements. You should be aware that the
occurrence of the events described in these risk factors and elsewhere in this Annual Report on Form 10-K could
have a material adverse effect on our business, results of operations and financial position, and actual events and
results of operations may vary materially from our current expectations.

Management’s Current Outlook and Assumptions

Our estimates as to future results and industry trends, to the extent described in this document, are generally
based on assumptions regarding the future level of seismic exploration activity, seismic reservoir monitoring
projects, demand for offshore cable products and industrial sensors and demand for thermal
imaging
technologies, and in turn, their effect on the demand and pricing of our products and services. Our analysis of the
market and its impact on us is based upon the following assumptions:

• Although crude oil prices have gradually improved in the last 18 months, we believe the impact of the
recent worldwide financial crisis and continuing recession, combined with volatile and unsteady energy

26

commodity prices may constrain oil and gas exploration activities in North America and also in certain
international markets. Furthermore, we believe our seismic customers relying on credit markets as the
source of funds for their capital spending could be prohibited from purchasing new equipment until
financial markets stabilize and demand for exploration activities increases. The uncertainty of these
global economic matters and their ultimate impact on energy exploration activities and on our
customers’ ability to access credit markets may cause demand for our seismic exploration products to
decrease.

•

In fiscal years 2010 and 2009, our Russian and Canadian seismic operations experienced low product
demand, excess manufacturing capacity, intense price competition, low rental equipment utilization
and certain asset write-downs resulting from these factors. Together, the seismic activities of these
subsidiaries generated an operating loss of $1.3 million in fiscal year 2010 and an operating loss of
$3.3 million in fiscal year 2009. We are seeing signs of increased activity in each of these markets, and
we believe the operating results of these subsidiaries will improve in fiscal year 2011.

• We believe the impact of political conditions and hostilities around the world, including those of the
Middle East, which may have a significant impact on oil and gas commodity prices, will not cause a
significant increase or decrease in demand for our seismic products for the foreseeable future.

• Based upon our current backlog, we expect revenues from our borehole and seabed reservoir
characterization products and services to remain level with fiscal year 2010 revenues. Our current
product backlog does not contain any orders for large-scale seabed reservoir monitoring systems. If we
were to sell such a system in fiscal year 2011, we would expect our revenues for these products to
increase significantly.

• We expect revenues from the sale and rental of recent product introductions, such as our wireless nodal

seismic data recording systems, to improve during fiscal year 2011.

• We expect demand for our products used in the thermal solutions industry to remain level with fiscal

year 2010 revenues.

• We expect sales of our industrial products to remain level with fiscal year 2010.

Item 7A. Quantitative and Qualitative Disclosures about Market Risk

We do not have any market risk as to market risk sensitive instruments entered into for trading purposes and
have only very limited risk as to arrangements entered into other than for trading purposes. Further, we do not
engage in commodity or commodity derivative instrument purchasing or selling transactions. Because of the
inherent unpredictability of foreign currency rates and interest rates, as well as other factors, actual results could
differ materially from those projected in this Item.

Foreign Currency and Operations Risk

One of our wholly-owned subsidiaries, OYO-GEO Impulse, is located in the Russian Federation. Therefore,
our financial results may be affected by factors such as changes in foreign currency exchange rates, weak
economic conditions in the Russian Federation or changes in its political climate. Our consolidated balance sheet
at September 30, 2010 reflected approximately $5.1 million of net working capital related to OYO-GEO Impulse.
For third-party transactions, OYO-GEO Impulse both receives its income and pays its expenses primarily in
rubles. To the extent that transactions of OYO-GEO Impulse are settled in rubles, a devaluation of the ruble
versus the U.S. dollar could reduce any contribution from OYO-GEO Impulse to our consolidated results of
operations and total comprehensive income as reported in U.S. dollars. We do not hedge the market risk with
respect to our operations in the Russian Federation; therefore, such risk is a general and unpredictable risk of
future disruptions in the valuation of rubles versus U.S. dollars to the extent such disruptions result in any
reduced valuation of OYO-GEO Impulse’s net working capital or future contributions to our consolidated results

27

of operations. At September 30, 2010, the foreign exchange rate of the U.S. dollar to the ruble was 1:30.7. If the
U.S. dollar versus ruble exchange rate were to decline by ten percent, our working capital could decline by $0.5
million.

Foreign Currency Intercompany Accounts and Notes Receivable

From time to time, we provide access to capital to our foreign subsidiaries through U.S. dollar denominated
interest bearing promissory notes. Such funds are generally used by our foreign subsidiaries to purchase capital
assets and for general working capital needs. In addition, we sell products to our foreign subsidiaries in
U.S. dollars on trade credit terms. Because these U.S. dollar denominated intercompany debts are accounted for
in the local currency of our foreign subsidiaries, any appreciation or devaluation of such foreign currencies
against the U.S. dollar will result in a gain or loss, respectively, to our consolidated statement of operations. At
September 30, 2010, we had outstanding accounts receivable of $7.6 million and $0.1 million from our
subsidiaries in Canada and the Russian Federation, respectively. At September 30, 2010, the foreign exchange
rate of the U.S. dollar to the Canadian Dollar was 1:0.97 and the foreign exchange rate of the U.S. dollar to ruble
was 1:30.7. If the U.S. dollar exchange rate were to decline by ten percent, our intercompany accounts and notes
receivable would decline by $0.8 million in Canada and $7,000 in the Russian Federation.

Floating Interest Rate Risk

The Credit Agreement and the real estate mortgage agreement for our Pinemont facility each contain a
floating interest rate. These floating interest rates subject us to the risk of increased interest costs associated with
any upward movements in bank market interest rates. Under the Credit Agreement as most recently amended, our
borrowing interest rate is a LIBOR based rate plus 300-400 basis points. As of September 30, 2010, we had no
borrowings under the Credit Agreement. Under the real estate mortgage agreement, our borrowing rate is a
LIBOR based rate plus 150 basis points and as of September 30, 2010 we had $7.7 million outstanding under this
agreement at an effective interest rate of 1.8%. Due to the amount of borrowings outstanding under the real estate
mortgage agreement and the potential borrowings available under the Credit Agreement, any increased interest
costs associated with movements in market interest rates could be material to our financial condition, results of
operations and/or cash flow. At September 30, 2010, based on our current level of borrowings, a 1.0% increase in
interest rates would increase our interest expense annually by approximately $77,000.

Item 8. Financial Statements and Supplementary Data

Our consolidated financial statements, including the reports thereon, the notes thereto and supplementary

data begin at page F-1 of this Annual Report on Form 10-K and are incorporated herein by reference.

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

None.

Item 9A. Controls and Procedures

Evaluation of Disclosure Controls and Procedures

Our management is responsible for establishing and maintaining a system of disclosure controls and
procedures that are designed to ensure that information required to be disclosed in our reports filed under the
Exchange Act is recorded, processed, summarized and reported within the time periods specified under SEC’s
rules and forms, and that such information is accumulated and communicated to our management, including our
Chief Executive Officer (“CEO”) and Chief Financial Officer (“CFO”). Notwithstanding the foregoing, there can
be no assurance that the Company’s disclosure controls and procedures will detect or uncover all failures of
persons within the Company and its consolidated subsidiaries to report material information otherwise required
to be set forth in the Company’s reports.

28

In connection with the preparation of this Annual Report on Form 10-K, the Company carried out an
evaluation under the supervision and with the participation of the Company’s management, including the CEO
and CFO, as of September 30, 2010 of the effectiveness of the Company’s disclosure controls and procedures, as
such term is defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act. Based on that evaluation, the
CEO and CFO concluded that our disclosure controls and procedures are effective as of September 30, 2010.

Management’s Report on Internal Control Over Financial Reporting

Our management is responsible for establishing and maintaining effective internal control over financial
reporting (as defined in Rules 13a-15(f) and 15d-15(f) under the Exchange Act). Because of its inherent
limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of
any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate
because of changes in conditions, or that the degree of compliance with the policies or procedures may
deteriorate.

Our management assessed the effectiveness of our internal control over financial reporting as of
September 30, 2010. In making this assessment, we used the criteria set forth by the Committee of Sponsoring
Organizations of the Treadway Commission (COSO) in Internal Control Integrated Framework. Based on this
assessment, our management concluded that, as of September 30, 2010, our internal control over financial
reporting is effective based on those criteria.

Our internal control over financial reporting as of September 30, 2010 has been audited by UHY LLP, an

independent registered public accounting firm, as stated in their report which appears herein.

Changes in Internal Control Over Financial Reporting

There were no changes in the Company’s internal control over financial reporting that occurred during the
Company’s fiscal quarter ending September 30, 2010 that have materially affected, or are reasonably likely to
materially affect, the Company’s internal control over financial reporting.

Item 9B. Other Information

None.

29

Item 10. Directors and Executive Officers of the Registrant

PART III

The information required by this Item is contained in our definitive Proxy Statement to be distributed in
connection with our 2011 Annual Meeting of Stockholders under the captions “Election of Directors”,
“Executive Officers and Compensation,” “Section 16(a) Beneficial Ownership Reporting Compliance” and
“Code of Ethics” and is incorporated herein by reference.

Item 11. Executive Compensation

The information required by this Item is contained in our definitive Proxy Statement to be distributed in
connection with our 2011 Annual Meeting of Stockholders under the caption “Executive Officers and
Compensation” and is incorporated herein by reference.

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

Matters

The information required by this Item is contained in our definitive Proxy Statement to be distributed in
connection with our 2011 Annual Meeting of Stockholders under the caption “Security Ownership of Certain
Beneficial Owners and Management” and is incorporated herein by reference, and in Item 5, “Market for
Registrant’s Common Equity and Related Stockholder Matters,” contained in Part II hereof.

Item 13. Certain Relationships and Related Transactions and Director Independence

The information required by this Item is contained in our definitive Proxy Statement to be distributed in
connection with our 2011 Annual Meeting of Stockholders under the caption “Certain Relationships and Related
Transactions” and is incorporated herein by reference.

Item 14. Principal Accountant Fees and Services

The information required by this Item is contained in our definitive Proxy Statement to be distributed in
connection with our 2011 Annual Meeting of Stockholders under the caption “Independent Public Accountants”
and is incorporated herein by reference.

30

Item 15. Exhibits, Financial Statement Schedules

Financial Statements and Financial Statement Schedules

PART IV

The financial statements and financial statement schedules listed on the accompanying Index to Financial

Statements (see page F-1) are filed as part of this Annual Report on Form 10-K.

31

Exhibits

Exhibit
Number

Description of Documents

3.1 (a) Restated Certificate of Incorporation of the Registrant.

3.2 (a) Restated Bylaws of the Registrant.

3.3 (p) Amendment No. 1 to OYO Geospace Corporation Amended and Restated Bylaws.

4.1 (a) Restated Certificate of Incorporation of the Registrant.

4.2 (a) Restated Bylaws of the Registrant.

4.3 (p) Amendment No. 1 to OYO Geospace Corporation Amended and Restated Bylaws.

10.1 (a) Employment Agreement dated as of August 1, 1997, between the Company and Gary D. Owens.*

10.2 (a) Employment Agreement dated as of August 1, 1997, between the Company and Michael J. Sheen.*

10.3 (b) OYO Geospace Corporation 1997 Key Employee Stock Option Plan.*

10.4 (c) Amendment No. 1 to OYO Geospace Corporation 1997 Key Employee Stock Option Plan, dated

February 2, 1998.*

10.5 (c) Amendment No. 2 to OYO Geospace Corporation 1997 Key Employee Stock Option Plan, dated

November 16, 1998.*

10.6 (g) Amendment No. 3 to OYO Geospace Corporation 1997 Key Employee Stock Option Plan, dated

November 10, 2000.*

10.7 (g) Amendment No. 4 to OYO Geospace Corporation 1997 Key Employee Stock Option Plan, dated

February 8, 2005.*

10.8 (b) OYO Geospace Corporation 1997 Non-Employee Director Plan.*

10.9 (g) Amendment No. 1 to OYO Geospace Corporation 1997 Non-Employee Director Plan, dated

February 8, 2005.*

10.10(a)

Printhead Purchase Agreement dated November 10, 1995 between the Company and OYO
Corporation.

10.11(a) Master Sales Agreement dated November 10, 1995, between the Company and OYO Corporation.

10.12(d)

Form of Director Indemnification Agreement.

10.13(f) Business Loan Agreement dated November 22, 2004, made by and between Union Planters Bank,
to Regions Bank), and Concord Technologies, LP, Geospace
N.A.
Technologies, LP, OYO Instruments, LP, Geospace Engineering Resources International, LP and
OYOG Operations, LP.

(predecessor

in interest

10.14(h)

10.15(h)

First Amendment to Loan Agreement dated as of September 19, 2005, between Regions Bank (F/K/
A Union Planters Bank, N.A.) and Concord Technologies, LP, Geospace Technologies, LP, OYO
Instruments, LP, Geospace Engineering Resources International, LP and OYOG Operations, LP.

Promissory Note dated September 19, 2005, made by Concord Technologies, LP, Geospace
Technologies, LP, OYO Instruments, LP, Geospace Engineering Resources International, LP and
OYOG Operations, LP for the benefit of Regions Bank (F/K/A Union Planters Bank, N.A.).

10.16(h) Guaranty Agreement dated September 19, 2005, made by and between the Company and Regions
Bank (F/K/A Union Planters Bank, N.A.). Each of OYOG, LLC and OYOG Limited Partner, LLC
has entered into a Guaranty Agreement with Regions Bank (F/K/A Union Planters Bank, N.A.)
which is substantially identical to the exhibited Guaranty Agreement.

32

Exhibit
Number

10.17(h)

Description of Documents

Security Agreement dated as of September 19, 2005, between Regions Bank (F/K/A Union Planters
Bank, N.A.), and Concord Technologies, LP. Each of Geospace Technologies, LP, OYO
Instruments, LP, Geospace Engineering Resources International, LP and OYOG Operations, LP has
entered into a Security Agreement with Regions Bank (F/K/A Union Planters Bank, N.A.) which is
substantially identical to the exhibited Security Agreement.

10.18(e) Deed of Trust, Security Agreement, Assignment of Rents and Financing Statement, dated

September 10, 2003, by and between OYOG Operations, LP and Compass Bank.

10.19(e)

Promissory Note dated September 10, 2003, made by OYOG Operations, LP payable to Compass
Bank.

10.20(e) Guaranty Agreement dated September 10, 2003, by and between the Company and Compass Bank.

10.21(e) Earnest Money Contract dated May 27, 2003, by and between Cooper Tools, Inc. and OYOG

Operations, L.P.

10.22(e)

10.23(e)

First Amendment to Earnest Money Contract, dated July 14, 2003, by and between Cooper Tools,
Inc. and OYOG Operations, LP.

Second Amendment to Earnest Money Contract, dated August 14, 2003, by and between Cooper
Tools, Inc. and OYOG Operations, LP.

10.24(e) Third Amendment to Earnest Money Contract, dated August 22, 2003, by and between Cooper

Tools, Inc. and OYOG Operations, LP.

10.25(i) OYO Geospace Corporation Fiscal Year 2009 Bonus Plan.*

10.26(j)

Second Amendment to Loan Agreement dated as of June 16, 2006, between Regions Bank (F/K/A
Union Planters Bank, N.A.) and Concord Technologies, LP, Geospace Technologies, LP, OYO
Instruments, LP, Geospace Engineering Resources International, LP and OYOG Operations, LP.

10.27(k) Third Amendment to Loan Agreement dated as of January 10, 2007, between Regions Bank (F/K/A
Union Planters Bank, N.A.) and Concord Technologies, LP, Geospace Technologies, LP, OYO
Instruments, LP, Geospace Engineering Resources International, LP and OYOG Operations, LP.

10.28(l)

Fourth Amendment to Loan Agreement dated as of October 12, 2007, between Regions Bank (F/K/A
Union Planters Bank, N.A.) and Concord Technologies, LP, Geospace Technologies, LP, OYO
Instruments, LP, Geospace Engineering Resources International, LP and OYOG Operations, LP.

10.29(m) Fifth Amendment to Loan Agreement dated as of March 12, 2008, between Regions Bank (F/K/A
Union Planters Bank, N.A.) and Concord Technologies, LP, Geospace Technologies, LP, OYO
Instruments, LP, Geospace Engineering Resources International, LP and OYOG Operations, LP.

10.30(m) Promissory Note dated March 13, 2008, made by OYOG Operations, LP payable to Compass Bank.

10.31(m) Deed of Trust, Security Agreement, Assignment of Rents and Financing Statement, dated March 13,

2008, by and between OYOG Operations, LP and Compass Bank.

10.32(m) Guaranty Agreement dated March 13, 2008, by and between the Company and Compass Bank.

10.33(m) Guaranty Agreement dated March 13, 2008, by and between Geospace Technologies, LP and

Compass Bank.

10.34(n) OYO Geospace Corporation Fiscal Year 2010 Bonus Plan.*

10.35(n)

10.36(n)

First Amendment effective October 1, 2008 to Employment Agreement dated as of August 1, 1997,
between the Company and Gary D. Owens.*

First Amendment effective October 1, 2008 to Employment Agreement dated as of August 1, 1997,
between the Company and Michael J. Sheen.*

33

Exhibit
Number

10.37(o)

21.1

23.1

31.1

31.2

32.1

32.2

Description of Documents

Sixth Amendment to Loan Agreement dated as of April 30, 2009, between Regions Bank (f/k/a
Union Planters Bank, N.A.) and Concord Technologies, LP, Geospace Technologies, LP, OYO
Instruments, LP, Geospace Engineering Resources International, LP, and OYOG Operations, LP.

Subsidiaries of the Registrant.

Consent of UHY LLP, Independent Registered Public Accounting Firm.

Certification of the Company’s Chief Executive Officer pursuant to Section 302 of the Sarbanes-
Oxley Act of 2002.

Certification of the Company’s Chief Financial Officer pursuant to Section 302 of the Sarbanes-
Oxley Act of 2002.

Certification of the Company’s Chief Executive Officer pursuant to Section 906 of the Sarbanes-
Oxley Act of 2002.

Certification of the Company’s Chief Financial Officer pursuant to Section 906 of the Sarbanes-
Oxley Act of 2002.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)
(i)

Incorporated by reference to the Registrant’s Registration Statement on Form S-1 filed September 30, 1997
(Registration No. 333-36727).
Incorporated by reference to Amendment No. 1 to the Registrant’s Registration Statement on Form S-1 filed
November 5, 1997 (Registration No. 333-36727).
Incorporated by reference to Registrant’s Annual Report on Form 10-K for the year ended September 30,
1998.
Incorporated by reference to Amendment No. 2 to the Registrant’s Registration Statement on Form S-1 filed
November 18, 1997 (Registration No. 333-36727).
Incorporated by reference to the Registrant’s Annual Report on Form 10-K for
September 30, 2003.
Incorporated by reference to the Registrant’s Annual Report on Form 10-K for
September 30, 2004.
Incorporated by reference to the Registrant’s Registration Statement on Form S-8 filed February 15, 2005.
(Registration No. 333-122835)
Incorporated by reference to the Registrant’s Current Report on Form 8-K filed September 21, 2005.
Incorporated by reference to the Registrant’s Quarterly Report on Form 10-Q for the quarter ended
December 31, 2008, filed February 6, 2009.
Incorporated by reference to the Registrant’s Current Report on Form 8-K filed July 3, 2006.
Incorporated by reference to the Registrant’s Current Report on Form 8-K filed January 11, 2007.
Incorporated by reference to the Registrant’s Current Report on Form 8-K filed November 26, 2007.

(j)
(k)
(l)
(m) Incorporated by reference to the Registrant’s Current Report on Form 8-K filed March 17, 2008.
(n)

Incorporated by reference to the Registrant’s Quarterly Report on Form 10-Q for the quarter ended
December 31, 2009, filed February 5, 2010.
Incorporated by reference to the Registrant’s Current Report on Form 8-K filed May 4, 2009.
Incorporated by reference to the Registrant’s Quarterly Report on Form 10-Q for the quarter ended June 30,
2007, filed August 3, 2007.

the year ended

the year ended

(o)
(p)

*

This exhibit is a management contract or a compensatory plan or arrangement.

34

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.

SIGNATURES

OYO GEOSPACE CORPORATION

By:

/s/ GARY D. OWENS

Gary D. Owens, Chairman of the Board
President and Chief Executive Officer

December 10, 2010

Pursuant to the requirements of the Securities Exchange Act, this Annual Report on Form 10-K has been
signed below by the following persons on behalf of the Registrant and in the capacities and on the dates
indicated.

Signature

Title

Date

/S/ GARY D. OWENS

Gary D. Owens

/S/ THOMAS T. MCENTIRE

Thomas T. McEntire

Chairman of the Board President
and Chief Executive Officer
(Principal Executive Officer)

Chief Financial Officer
(Principal Financial and
Accounting Officer and Secretary)

December 10, 2010

December 10, 2010

/S/ WILLIAM H. MOODY

Director

December 10, 2010

William H. Moody

/S/ TAKASHI KANEMORI

Director

December 10, 2010

Takashi Kanemori

/S/ RICHARD C. WHITE

Director

December 10, 2010

Richard C. White

/S/ MICHAEL J. SHEE

N

Director

December 10, 2010

Michael J. Sheen

/S/ THOMAS L. DAVIS

Thomas L. Davis

Director

December 10, 2010

/S/ CHARLES H. STILL

Director

December 10, 2010

Charles H. Still

35

OYO GEOSPACE CORPORATION AND SUBSIDIARIES

INDEX TO FINANCIAL STATEMENTS

Reports of Independent Registered Public Accounting Firm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Consolidated Balance Sheets as of September 30, 2010 and 2009 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Consolidated Statements of Operations for the Years Ended September 30, 2010, 2009 and 2008 . . . . . . . .

Consolidated Statement of Stockholders’ Equity for the Years Ended September 30, 2010, 2009 and

2008 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Consolidated Statements of Cash Flows for the Years Ended September 30, 2010, 2009 and 2008 . . . . . . .

Notes to Consolidated Financial Statements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

F-2

F-4

F-5

F-6

F-7

F-8

Schedule II—Valuation and Qualifying Accounts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F-30

F-1

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

To the Board of Directors and
Stockholders of OYO Geospace Corporation:

We have audited the accompanying consolidated balance sheets of OYO Geospace Corporation and
subsidiaries (“the Company”) as of September 30, 2010 and 2009, and the related consolidated statements of
operations, stockholders’ equity and cash flows for each of the three fiscal years in the period ended
September 30, 2010. Our audits also included the financial statement schedule listed in the accompanying index.
These consolidated financial statements and schedule are the responsibility of the Company’s management. Our
responsibility is to express an opinion on these consolidated financial statements and schedule based on our
audits.

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

In our opinion, the consolidated financial statements referred to above present fairly, in all material respects,
the consolidated financial position of OYO Geospace Corporation and subsidiaries as of September 30, 2010 and
2009, and the consolidated results of their operations and their cash flows for each of the three fiscal years in the
period ended September 30, 2010, in conformity with accounting principles generally accepted in the United
States of America. Also, in our opinion, the related financial statement schedule, when considered in relation to
the basic consolidated financial statements taken as a whole, presents fairly, in all material respects, the
information set forth therein.

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board
(United States), the effectiveness of OYO Geospace Corporation and subsidiaries’ internal control over financial
reporting as of September 30, 2010, based on criteria established in Internal Control—Integrated Framework
issued by the Committee of Sponsoring Organizations of the Treadway Commission (COSO), and our report
dated December 10, 2010 expressed an unqualified opinion on the effectiveness of the Company’s internal
control over financial reporting.

/s/ UHY LLP

Houston, Texas
December 10, 2010

F-2

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

To the Board of Directors and
Stockholders of OYO Geospace Corporation:

We have audited OYO Geospace Corporation and subsidiaries’ (“the Company”) internal control over
financial reporting as of September 30, 2010, based on criteria established in Internal Control—Integrated
Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (COSO). The
Company’s management is responsible for maintaining effective internal control over financial reporting and for
its assessment of the effectiveness of internal control over financial reporting, included in Part II, Item 9A of this
Form 10-K. Our responsibility is to express an opinion on the Company’s internal control over financial
reporting based on our audit.

We conducted our audit in accordance with the standards of the Public Company Accounting Oversight
Board (United States). Those standards require that we plan and perform the audit to obtain reasonable assurance
about whether effective internal control over financial reporting was maintained in all material respects. Our
audit included obtaining an understanding of internal control over financial reporting, assessing the risk that a
material weakness exists, testing and evaluating the design and operating effectiveness of internal control, and
performing such other procedures as we considered necessary in the circumstances. We believe that our audit
provides a reasonable basis for our opinion.

A company’s internal control over financial reporting is a process designed to provide reasonable assurance
regarding the reliability of financial reporting and the preparation of financial statements for external purposes in
accordance with generally accepted accounting principles. A company’s internal control over financial reporting
includes those policies and procedures that (1) pertain to the maintenance of records that, in reasonable detail,
accurately and fairly reflect the transactions and dispositions of the assets of the company; (2) provide reasonable
assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance
with generally accepted accounting principles, and that receipts and expenditures of the company are being made
only in accordance with authorizations of management and directors of the company; and (3) provide reasonable
assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the
company’s assets that could have a material effect on the financial statements.

Because of its inherent limitations, internal control over financial reporting may not prevent or detect
misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that
controls may become inadequate because of changes in conditions, or that the degree of compliance with the
policies or procedures may deteriorate.

In our opinion, OYO Geospace Corporation and subsidiaries maintained, in all material respects, effective
internal control over financial reporting as of September 30, 2010, based on criteria established in Internal
Control—Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway
Commission.

We have also audited, in accordance with the standards of the Public Company Accounting Oversight Board
(United States),
the consolidated balance sheets of OYO Geospace Corporation and subsidiaries as of
September 30, 2010 and 2009, and the related consolidated statements of operations, stockholders’ equity and
cash flows for each of the three fiscal years in the period ended September 30, 2010, and our report dated
December 10, 2010, expressed an unqualified opinion on those consolidated financial statements.

Houston, Texas
December 10, 2010

/s/ UHY LLP

F-3

OYO Geospace Corporation and Subsidiaries

Consolidated Balance Sheets
(In thousands, except share amounts)

AS OF
SEPTEMBER 30,
2009
2010

Current assets:

ASSETS

Cash and cash equivalents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Trade accounts receivable, net of allowance of $334 and $848 . . . . . . . . . . . . . . . . . .
Current portion of notes receivable, net of allowance of $0 . . . . . . . . . . . . . . . . . . . . .
Inventories, net
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Deferred income tax asset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Prepaid expenses and other current assets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$ 33,453
19,107
2,400
47,395
4,542
3,089

$

Total current assets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

109,986

Rental equipment, net . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Property, plant and equipment, net . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Patents, net of accumulated amortization of $5,295 and $5,073 . . . . . . . . . . . . . . . . . . . . .
Goodwill
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Non-current deferred income tax asset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Non-current notes receivable, net of allowance of $0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Other assets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8,003
33,988
558
1,843
754
6,131
2,233

8,571
13,878
10,477
57,257
3,326
2,233

95,742

4,068
37,105
807
1,843
687
—
1,230

Total assets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$163,496

$141,482

LIABILITIES AND STOCKHOLDERS’ EQUITY

Current liabilities:

Notes payable and current maturities of long-term debt . . . . . . . . . . . . . . . . . . . . . . . .
Accounts payable trade . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Accrued expenses and other current liabilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Deferred revenue . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Income tax payable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Total current liabilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Long-term debt, net of current maturities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Non-current deferred income tax liability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Total liabilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

440
3,809
10,793
1,311
2,056

18,409
7,260
1,241

26,910

728
4,692
6,954
367
159

12,900
8,820
1,104

22,824

Commitments and contingencies

Stockholders’ equity:

Preferred stock, 1,000,000 shares authorized, no shares issued and outstanding . . . . .
Common stock, $.01 par value, 20,000,000 shares authorized, 6,117,358 and

5,994,908 shares issued and outstanding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Additional paid-in capital
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Retained earnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Accumulated other comprehensive loss . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

—

—

61
47,059
89,622
(156)

60
43,300
75,540
(242)

Total stockholders’ equity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

136,586

118,658

Total liabilities and stockholders’ equity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$163,496

$141,482

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

F-4

OYO Geospace Corporation and Subsidiaries

Consolidated Statements of Operations
(In thousands, except share and per share amounts)

YEAR ENDED SEPTEMBER 30,

2010

2009

2008

Net sales . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cost of sales . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$ 128,533
81,177

$

Gross profit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating expenses:

Selling, general and administrative expenses . . . . . . . . . . . . . . . . . .
Research and development expenses . . . . . . . . . . . . . . . . . . . . . . . .
Bad debt expense (recovery) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Total operating expenses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Gain (loss) on sale of assets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

47,356

16,618
9,925
(479)

26,064

(184)

92,860
66,287

26,573

14,572
8,062
318

22,952

(12)

$ 134,495
87,441

47,054

16,913
8,945
1,615

27,473

604

Income from operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

21,108

3,609

20,185

Other income (expense):

Interest expense . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Interest income . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Foreign exchange losses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Other, net . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Total other income (expense), net . . . . . . . . . . . . . . . . . . . . . . .

(238)
254
(52)
(170)

(206)

Income before income taxes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Income tax expense . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

20,902
6,820

Net income . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$

14,082

Earnings per share:

Basic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Diluted . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$

$

2.33

2.27

(602)
809
(414)
(91)

(298)

3,311
1,551

1,760

0.30

0.29

$

$

$

(897)
1,323
(180)
(13)

233

20,418
6,266

14,152

2.40

2.31

$

$

$

Weighted average shares outstanding:

Basic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6,031,314

5,950,403

5,908,727

Diluted . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6,193,018

6,079,378

6,116,039

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

F-5

OYO Geospace Corporation and Subsidiaries

Consolidated Statement of Stockholders’ Equity
For the years ended September 30, 2010, 2009 and 2008
(In thousands, except share amounts)

Balance at September 30, 2007 . . . . . . . .

5,888,758

59

40,420

59,628

2,263

102,370

Common Stock

Shares

Amount

Additional
Paid-In
Capital

Retained
Earnings

Accumulated
Other
Comprehensive
Income (Loss)

Total

Comprehensive income:

Net income . . . . . . . . . . . . . . . . . . . .
Foreign currency translation

adjustments . . . . . . . . . . . . . . . . . .

—

—

Total comprehensive income . . . . . .

Excess tax benefit from share—based

compensation . . . . . . . . . . . . . . . . . . . .

Issuance of common stock pursuant to

exercise of options, net of tax . . . . . . .
Stock-based compensation . . . . . . . . . . . .
Short swing profit, net of tax . . . . . . . . . .

—

—

—

47,750 —
—
—

—
—

—

—

736

709
33
132

14,152

—

14,152

—

—

—
—
—

(769)

(769)

13,383

—

—
—
—

736

709
33
132

Balance at September 30, 2008 . . . . . . . .

5,936,508

59

$42,030

$73,780

$ 1,494

$117,363

Comprehensive income:

Net income . . . . . . . . . . . . . . . . . . . .
Foreign currency translation

adjustments . . . . . . . . . . . . . . . . . .

—

—

Total comprehensive income . . . . . .

Excess tax benefit from share—based

compensation . . . . . . . . . . . . . . . . . . . .

Issuance of common stock pursuant to

exercise of options, net of tax . . . . . . .
Stock-based compensation . . . . . . . . . . . .

58,400
—

—

—

—

1

—

—

—

147

840
283

1,760

—

1,760

—

—

—
—

(1,736)

(1,736)

24

147

841
283

—

—
—

Balance at September 30, 2009 . . . . . . . .

5,994,908

$ 60

$43,300

$75,540

$ (242)

$118,658

Comprehensive income:

Net income . . . . . . . . . . . . . . . . . . . .
Foreign currency translation

adjustments . . . . . . . . . . . . . . . . . .

—

—

Total comprehensive income . . . . . .

Excess tax benefit from share—based

compensation . . . . . . . . . . . . . . . . . . . .

Issuance of common stock pursuant to

exercise of options, net of tax . . . . . . .
Stock-based compensation . . . . . . . . . . . .

122,450
—

—

—

—

1

—

—

—

1,128

2,186
445

14,082

—

—

—
—

—

86

—

—
—

14,082

86

14,168

1,128

2,187
445

Balance at September 30, 2010 . . . . . . . .

6,117,358

$ 61

$47,059

$89,622

$ (156)

$136,586

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

F-6

OYO Geospace Corporation and Subsidiaries

Consolidated Statements of Cash Flows
(In thousands)

Cash flows from operating activities:

Net income . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Adjustments to reconcile net income to net cash provided by (used in)

$14,082

$ 1,760

$ 14,152

operating activities:

YEAR ENDED SEPTEMBER 30,

2010

2009

2008

Deferred income tax expense (benefit) . . . . . . . . . . . . . . . . . . . . . . . . . .
Depreciation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Amortization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stock-based compensation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Bad debt expense (recovery) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inventory obsolescence expense . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Excess tax benefits from stock-based compensation . . . . . . . . . . . . . . .
Loss on early extinguishment of debt . . . . . . . . . . . . . . . . . . . . . . . . . . .
(Gain) loss on disposal of property, plant and equipment
. . . . . . . . . . .
Effects of changes in operating assets and liabilities:

Trade accounts and notes receivable . . . . . . . . . . . . . . . . . . . . . . .
Inventories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Prepaid expenses and other assets . . . . . . . . . . . . . . . . . . . . . . . . .
Accounts payable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Accrued expenses and other . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Deferred revenue . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Income tax payable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

(1,416)
4,921
263
445
(479)
2,872
(1,128)
137
184

(2,678)
6,673
(855)
(879)
5,033
948
1,898

451
4,943
246
283
318
1,272
(147)
—
12

441
4,320
245
33
1,615
993
(736)
—
(604)

14,257
3,238
223
(3,382)
(4,201)
(550)
(1,382)

(13,690)
(15,113)
(563)
450
356
(706)
785

Net cash provided by (used in) operating activities . . . . . . . .

30,021

17,341

(8,022)

Cash flows from investing activities:

Proceeds from the sale of property, plant and equipment . . . . . . . . . . . . . . . .
Capital expenditures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

11
(6,117)

23
(1,709)

736
(9,796)

Net cash used in investing activities . . . . . . . . . . . . . . . . . . . .

(6,106)

(1,686)

(9,060)

Cash flows from financing activities:

Change in book overdrafts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Net borrowings (principal payments) under line of credit . . . . . . . . . . . . . . .
Borrowings under mortgage loans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Principal payments under mortgage loans . . . . . . . . . . . . . . . . . . . . . . . . . . .
Penalty for early extinguishment of debt
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Excess tax benefits from stock-based compensation . . . . . . . . . . . . . . . . . . .
Proceeds from exercise of stock options and other . . . . . . . . . . . . . . . . . . . . .

—
—
—
(1,848)
(137)
1,128
2,187

(35)
(9,978)
—
(709)
—
147
841

35
9,054
8,800
(3,088)
—
736
842

Net cash provided by (used in) financing activities . . . . . . . .

1,330

(9,734)

16,379

Effect of exchange rate changes on cash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

(363)

Increase (decrease) in cash and cash equivalents . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . .
Cash and cash equivalents, beginning of fiscal year

24,882
8,571

1,088

7,009
1,562

(748)

(1,451)
3,013

Cash and cash equivalents, end of fiscal year . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$33,453

$ 8,571

$ 1,562

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

F-7

OYO Geospace Corporation and Subsidiaries

Notes to Consolidated Financial Statements

1. Summary of Significant Accounting Policies:

The Company

OYO Geospace Corporation (“OYO”) designs and manufactures instruments and equipment used in the
acquisition and processing of seismic data as well as in the characterization and monitoring of producing oil and
gas reservoirs. OYO also manufactures and distributes thermal imaging equipment and dry thermal film products
to a variety of markets including the screenprint, point of sale, signage and textile markets. As of September 30,
2010, OYO Corporation U.S.A. (“OYO USA”) owned approximately 21.1% of OYO’s common stock. OYO
USA is a wholly owned subsidiary of OYO Corporation, a Japanese corporation (“OYO Japan”).

OYO and its subsidiaries are referred to collectively as the “Company”. The significant accounting policies

followed by the Company are summarized below.

Basis of Presentation

The accompanying financial statements present the consolidated financial position, results of operations and
cash flows of the Company in accordance with U.S. generally accepted accounting principles. All intercompany
balances and transactions have been eliminated.

Reclassifications

Certain amounts previously presented in the consolidated financial statements have been reclassified to
conform to the current year presentation. Such reclassifications had no effect on net income, stockholders’ equity
or cash flows.

Use of Estimates

The preparation of financial statements in conformity with accounting principles generally accepted in the
United States of America requires the use of estimates and assumptions that affect the amounts reported in the
financial statements and accompanying notes. The Company considers many factors in selecting appropriate
operational and financial accounting policies and controls, and in developing the estimates and assumptions that
are used in the preparation of these financial statements. The Company continually evaluates its estimates,
including those related to bad debt reserves, inventory obsolescence reserves, self-insurance reserves, product
warranty reserves, long-lived assets, intangible assets and deferred income tax assets. The Company bases its
estimates on historical experience and various other factors that are believed to be reasonable under the
circumstances. Actual results may differ from these estimates under different conditions or assumptions.

Cash and Cash Equivalents

The Company considers all highly liquid investments purchased with an original or remaining maturity at

the time of purchase of three months or less to be cash equivalents.

Concentrations of Credit Risk

The Company maintains its cash in bank deposit accounts that, at times, exceed federally insured limits.
Management of the Company believes that the financial strength of the financial institutions holding such
deposits minimizes the credit risk of such deposits.

F-8

OYO Geospace Corporation and Subsidiaries

Notes to Consolidated Financial Statements—(Continued)

The Company sells products to customers throughout the United States and various foreign countries. The
Company’s normal credit terms for trade receivables are 30 days. In certain situations, credit terms may be
extended to 60 days or longer. The Company performs ongoing credit evaluations of its customers and generally
does not require collateral for its trade receivables. Additionally, the Company provides long-term financing in
the form of promissory notes when competitive conditions require such financing. In such cases, the Company
may require collateral. Allowances are recognized for potential credit losses. At September 30, 2010, the
Company had two customers comprising 22.3% and 11.1%, respectively, of the Company’s trade accounts
receivable. At September 30, 2009, the Company had two customers comprising 16.6% and 11.2%, respectively,
of the Company’s trade accounts receivable. The Company had two customers comprising 75.9% and 15.0% of
its notes receivable balance at September 30, 2010. The Company had two customers comprising 72.8% and
25.6%, respectively, of its notes receivable balance at September 30, 2009. One customer comprised 13.2%,
12.0% and 11.5% of the Company’s revenues during the fiscal years 2010, 2009 and 2008, respectively.

The Company has a subsidiary located in the Russian Federation. Therefore, the Company’s financial
results may be affected by factors such as changes in foreign currency exchange rates, weak economic conditions
or changes in political climate within the Russian Federation. The Company’s consolidated balance sheet at
September 30, 2010 reflected approximately $5.1 million of net working capital related to this subsidiary. This
subsidiary receives a substantial portion of its revenues and pays its expenses primarily in rubles. During the
fiscal year ended September 30, 2010, this subsidiary received approximately $3.6 million of its income in U.S.
dollars as a result of intercompany sales to the Company’s subsidiary located in the United States. The
Company’s consolidated balance sheet at September 30, 2009 reflected approximately $5.0 million of net
working capital related to this subsidiary. During the fiscal year ended September 30, 2009, this subsidiary
received approximately $1.1 million of its income in U.S. dollars as a result of intercompany sales to the
Company’s subsidiary located in the United States. To the extent that transactions of this subsidiary are settled in
rubles, a devaluation of the ruble versus the United States dollar could reduce any contribution from this
subsidiary to its consolidated results of operations as reported in U.S. dollars. The Company does not hedge the
market risk with respect to its operations in the Russian Federation; therefore, such risk is a general and
unpredictable risk of future disruptions in the valuation of rubles versus U.S. dollars to the extent such
disruptions result in any reduced valuation of the subsidiary’s net working capital or future contributions to its
consolidated results of operations.

Inventories

The Company records a write-down of its inventories when the cost basis of any manufactured product,
including any estimated future costs to complete the manufacturing process, exceeds its net realizable value.
Inventories are stated at the lower of cost (as determined by the first-in, first-out method) or market value. The
Company’s subsidiary in the Russian Federation uses an average cost method to value its inventories.

Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets include prepayments for insurance,

inventory purchases,

manufacturing supplies and other types of current assets.

F-9

OYO Geospace Corporation and Subsidiaries

Notes to Consolidated Financial Statements—(Continued)

Property, Plant and Equipment and Rental Equipment

Property, plant and equipment and rental equipment are stated at cost. Depreciation expense is calculated

using the straight-line method over the following estimated useful lives:

Rental equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Property, plant and equipment:

Machinery and equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Buildings and building improvements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Other

Years

3-10

3-15
10-50
5-10

Expenditures for renewals and betterments are capitalized. Repairs and maintenance expenditures are
charged to expense as incurred. The cost and accumulated depreciation of assets sold or otherwise disposed of
are removed from the accounts and any gain or loss thereon is reflected in the statement of operations.

Patents

Patents are amortized over the legal life of the patent or the estimated useful life of the patent, whichever is
shorter. Patent amortization expense was approximately $0.2 million during each of fiscal years 2010, 2009 and
2008. Patent amortization expense is estimated to be approximately $0.2 million for each of the fiscal years
ending September 30, 2011 and 2012, and approximately $80,000 during fiscal year 2013.

Impairment of Long-lived Assets

The Company’s long-lived assets are reviewed for

impairment whenever an event or change in
circumstances indicates the carrying amount of an asset or group of assets may not be recoverable. The
impairment review, if necessary, includes a comparison of expected future cash flows (undiscounted and without
interest charges) to be generated by an asset group with the associated carrying value of the related assets. If the
carrying value of the asset group exceeds the expected future cash flows, an impairment loss is recognized to the
extent that the carrying value of the asset group exceeds its fair value.

Goodwill

Goodwill represents the excess of the purchase price of purchased businesses over the estimated fair value
of the acquired business’ net assets. Goodwill is reviewed for impairment at least annually. The Company has
elected to make September 30 the annual impairment assessment date and will perform additional impairment
tests if a change in circumstances occurs that would indicate the carrying value of goodwill may exceed its fair
amount. The assessment is performed in two steps: step one is to compare the carrying value of the reporting
unit’s net assets (including goodwill) to its respective fair value for potential impairment and if potential losses
are identified, step two is to measure the impairment loss. Step two involves allocating the calculated fair value
to all of the tangible and identifiable intangible assets of the reporting unit as if the calculated fair value was the
purchase price of the business combination. The goodwill impairment is tested at the Company’s seismic
segment level as the goodwill relates to the purchase of a seismic related company. The impairment test uses a
weighted average cost of capital. The growth rate is based on the projected inflation rate. The Company
performed step one at September 30, 2010 and 2009 and found that there were no impairments at those times;
thus, step two was not necessary.

F-10

OYO Geospace Corporation and Subsidiaries

Notes to Consolidated Financial Statements—(Continued)

Revenue Recognition

The Company primarily derives revenue from the sale, and short-term rental under operating leases, of
seismic instruments and equipment and thermal solutions products. The Company generally recognizes sales
revenues when its products are shipped and title and risk of loss have passed to the customer. The Company
recognizes rental revenues as earned over the rental period. Rentals of the Company’s equipment generally range
from daily rentals to rental periods of up to nine months or longer. Except for certain of the Company’s reservoir
characterization products, its products are generally sold without any customer acceptance provisions and its
standard terms of sale do not allow customers to return products for credit. In instances where the customer
requires a significant performance test for the Company’s new and unproven products, the Company does not
recognize the revenue attributable to the product as to which the performance test applies until the performance
test is satisfied. Collection of revenue from the sale of large-scale reservoir characterization products may occur
at various stages of production or after delivery of the product, and the collected funds are not refundable to the
customer. Most of the Company’s products do not require installation assistance or sophisticated instruction.

The Company recognizes revenue when all of the following criteria are met:

• Persuasive evidence of an arrangement exists. The Company operates under a purchase order/contract
system for goods sold to customers, and under rental/lease agreements for equipment rentals. These
documents evidence that an arrangement exists.

• Delivery has occurred or services have been rendered. For product sales, the Company does not
recognize revenues until delivery has occurred or performance measures are met. For rental revenue,
the Company recognizes revenue when earned.

•

The seller’s price to the buyer is fixed or determinable. Sales prices are defined in writing in a
customer’s purchase order, purchase contract or equipment rental agreement.

• Collectibility is reasonably assured. The Company evaluates customer credit

to ensure that

collectibility of revenue is reasonably assured.

Occasionally seismic customers are not able to take immediate delivery of products which were specifically
manufactured to the customer’s specifications. These occasions generally occur when customers face logistical
issues such as project delays or delays with their seismic crew deployment. In these instances, customers have
asked the Company to hold the equipment for a short period of time until they can take physical delivery of the
product (referred to as “bill and hold” arrangements). The Company considers the following criteria for
recognizing revenue when delivery has not occurred:

• Whether the risks of ownership have passed to the customer,

• Whether we have obtained a fixed commitment to purchase the goods in written documentation from

the customer,

• Whether the customer requested that the transaction be on a bill and hold basis and the Company

received that request in writing,

• Whether the customer has a substantial business purpose for ordering the goods on a bill and hold

basis,

• Whether there is a fixed schedule for delivery of the product,

• Whether the Company has any specific performance obligations such that the earning process is not

complete,

F-11

OYO Geospace Corporation and Subsidiaries

Notes to Consolidated Financial Statements—(Continued)

• Whether the equipment is segregated from its other inventory and not subject to being used to fill other

orders, and

• Whether the equipment is complete and ready for shipment.

The Company does not modify its normal billing and credit

terms for these types of sales. As of
September 30, 2010 and 2008, there were no sales under bill and hold arrangements. As of September 30, 2009,
there were $0.6 million of sales under bill and hold arrangements.

Deferred Revenue

The Company records deferred revenue when funds are received prior to the recognition of the associated

revenue.

Research and Development Costs

The Company expenses research and development costs as incurred. Research and development costs

include salaries, employee benefit costs, department supplies, direct project costs and other related costs.

Product Warranties

The Company offers a standard product warranty obligating it

to repair or replace products with
manufacturing defects. The Company maintains a reserve for future warranty costs based on historical
experience or, in the absence of historical product experience, management’s estimates. Changes in the warranty
reserve are contained in the following table (in thousands):

Balance at the beginning of the period (October 1, 2008) . . . . . . . . . . . . . . . . . . . .
Accruals for warranties issued during the period . . . . . . . . . . . . . . . . . . . . . . . . . . .
Accruals related to pre-existing warranties (including changes in estimates) . . . . .
Settlements made (in cash or in kind) during the period . . . . . . . . . . . . . . . . . . . . .

Balance at the end of the period (September 30, 2009) . . . . . . . . . . . . . . . . . . . . . .
Accruals for warranties issued during the period . . . . . . . . . . . . . . . . . . . . . . . . . . .
Accruals related to pre-existing warranties (including changes in estimates) . . . . .
Settlements made (in cash or in kind) during the period . . . . . . . . . . . . . . . . . . . . .

$ 1,147
1,400
—
(1,715)

832
3,219
—
(2,673)

Balance at the end of the period (September 30, 2010) . . . . . . . . . . . . . . . . . . . . . .

$ 1,378

Stock-Based Compensation

Under the FASB share-based payment framework, the Company expenses the grant date fair value of equity
awards over the requisite service period. The Company uses the Black-Scholes model to value its new stock
option grants. The share-based payment framework also requires the Company to estimate forfeitures in
calculating the expense related to stock-based compensation. In addition, the share-based payment framework
requires the Company to reflect the benefits of tax deductions in excess of recognized compensation cost to be
reported as a financing cash inflow. The Company recorded stock-based compensation expenses of $0.4 million,
$0.3 million and $33,000 for the fiscal years ended September 30, 2010, 2009 and 2008, respectively.

F-12

OYO Geospace Corporation and Subsidiaries

Notes to Consolidated Financial Statements—(Continued)

There were 63,000 and 146,000 stock options granted during fiscal years 2010 and 2009, respectively, and
no options granted during fiscal year 2008. The fair value of options granted during the fiscal year ended
September 30, 2010 and 2009 was estimated using the Black-Scholes option-pricing model using the following
data:

Dividend yield rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Risk-free interest rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Expected volatility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Expected option term . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0%
2.4%
56.6%

0%
2.1%
51.4%

6.25 years

6.25 years

2010

2009

The computation of expected volatility was based on the historical volatility. Historical volatility was
calculated from historical data for the time approximately equal to the expected term of the option award starting
from the date of grant. The risk-free interest rate assumption is based upon the U.S. Treasury yield curve in effect
at the time of grant for the period corresponding with the expected life of the option. The expected term of
options granted is derived from the vesting period and historical information and represents the period of time
that options granted are expected to be outstanding.

Financial Instruments

Fair value estimates are made at discrete points in time based on relevant market information. These
estimates may be subjective in nature and involve uncertainties and matters of significant judgment and,
therefore, cannot be determined with precision. The Company believes that the carrying amounts of its financial
instruments, consisting of cash and cash equivalents, accounts and notes receivable and accounts payable,
approximate the fair values of such items as a result of the relative short term nature of such items. The carrying
value of long-term debt approximates the fair value as a result of the interest rates reflecting market rates of
interest.

Foreign Currency Gains and Losses

The assets and liabilities of the Company’s foreign subsidiaries have been translated into U.S. dollars using
the exchange rates in effect at the balance sheet date. Results of operations have been translated using the
average exchange rates during the year. Resulting translation adjustments have been recorded as a component of
accumulated other comprehensive income (loss) in stockholders’ equity. Foreign currency transaction gains and
losses are included in the statement of operations as they occur.

Shipping and Handling Costs

Amounts billed to a customer in a sales transaction related to reimbursable shipping and handling costs are
included in revenues and the associated costs incurred by the Company for reimbursable shipping and handling
costs are reported in cost of sales. The Company had shipping and handling costs of $0.7 million, $0.6 million
and $0.8 million for each of the fiscal years ended September 30, 2010, 2009 and 2008, respectively.

Income Taxes

Income taxes are presented in accordance with FASB guidance for accounting for income taxes. The
estimated future tax effects of temporary differences between the tax bases of assets and liabilities and amounts
reported in the accompanying consolidated balance sheets, as well as operating loss and tax credit carrybacks and

F-13

OYO Geospace Corporation and Subsidiaries

Notes to Consolidated Financial Statements—(Continued)

carryforwards are recorded. Deferred tax assets and liabilities are determined based on differences between
financial reporting and tax bases of assets and liabilities (temporary differences) and are measured using the
enacted tax rates and laws that will be in effect when the differences are expected to reverse. The Company
periodically reviews the recoverability of tax assets recorded on the balance sheet and provides valuation
allowances if it is more likely than not that such assets will not be realized.

Subsequent Events

The Company evaluates events and transactions that occur after the balance sheet date but before the
financial statements are issued. The Company evaluated such events and transactions through the date the
financial statements were filed electronically with the Securities and Exchange Commission.

Recent Accounting Pronouncements

In January 2010, the FASB issued guidance to amend the disclosure requirements related to recurring and
nonrecurring fair value measurements. The guidance requires new disclosures on the transfers of assets and
liabilities between Level 1 (quoted prices in active market for identical assets or liabilities) and Level 2
(significant other observable inputs) of the fair value measurement hierarchy, including the reasons and the
timing of the transfers. Additionally, the guidance requires a roll forward of activities on purchases, sales,
issuance, and settlements of the assets and liabilities measured using significant unobservable inputs (Level 3 fair
value measurements). The guidance will be effective for interim and annual reporting periods beginning after
December 15, 2009. The Company adopted this guidance and had no material effect on its consolidated financial
statements.

2. Inventories:

Inventories consisted of the following (in thousands):

Finished goods and sub-assemblies . . . . . . . . . . . . . . . . . . . . . . . . . . .
Work in progress . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Raw materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Obsolescence reserve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

AS OF
SEPTEMBER 30,

2010

2009

$11,211
7,166
35,663
(6,645)

$15,783
8,598
37,489
(4,613)

$47,395

$57,257

Inventory obsolescence expense was approximately $2.9 million, $1.3 million and $1.0 million during fiscal

years 2010, 2009 and 2008, respectively.

F-14

OYO Geospace Corporation and Subsidiaries

Notes to Consolidated Financial Statements—(Continued)

3. Accounts and Notes Receivable:

The Company’s current trade accounts receivable consisted of the following (in thousands):

Trade accounts receivable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Allowance for doubtful accounts . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$19,441
(334)

$14,726
(848)

$19,107

$13,878

AS OF
SEPTEMBER 30,

2010

2009

The allowance for doubtful accounts represents the Company’s best estimate of probable credit losses. The
Company determines the allowance based upon historical experience and a review of its balances. Accounts
receivable balances are charged off against the allowance whenever it is probable that the receivable will not be
recoverable. The Company does not have any off-balance-sheet credit exposure related to its customers.

At September 30, 2010 and 2009, the Company’s current notes receivable were $2.4 million and $10.5
million, respectively. The Company also had notes receivable of $6.1 million and zero classified as long-term at
September 30, 2010 and 2009, respectively. Notes receivable are generally collateralized by the products sold,
and bear interest at rates ranging up to 14.5% per year. The Company had a reserve for doubtful notes of zero at
September 30, 2010 and 2009. The annual maturities of notes receivable will be approximately $2.4 million, $1.9
million, $1.6 million, $1.7 million and $0.9 million over the next five years, respectively, at various times
through December 2015. The Company has, on occasion, extended or renewed notes receivable as they mature,
but there is no obligation to do so.

4. Rental Equipment:

Rental equipment consisted of the following (in thousands):

Rental equipment, primarily geophones and related products . . . . . .
Accumulated depreciation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$ 19,421
(11,418)

$ 14,172
(10,104)

$ 8,003

$ 4,068

AS OF
SEPTEMBER 30,

2010

2009

Rental equipment depreciation expense was $1.1 million, $0.8 million and $0.6 million in fiscal years 2010,
2009 and 2008, respectively. We transferred $0.3 million of inventories to our rental equipment during fiscal
year 2010 which had a non-cash impact.

F-15

OYO Geospace Corporation and Subsidiaries

Notes to Consolidated Financial Statements—(Continued)

5. Property, Plant and Equipment:

Property, plant and equipment consisted of the following (in thousands):

Land and land improvements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Buildings and building improvements . . . . . . . . . . . . . . . . . . . . . . . .
Machinery and equipment
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Furniture and fixtures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transportation equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tools and molds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Construction in progress . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Accumulated depreciation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

AS OF
SEPTEMBER 30,

2010

2009

$ 3,214
23,895
30,313
990
35
237
3,105

$ 3,140
23,789
30,990
985
35
213
2,793

61,789
(27,801)

61,945
(24,840)

$ 33,988

$ 37,105

Property, plant and equipment depreciation expense was $3.8 million, $4.1 million and $3.8 million in fiscal

years 2010, 2009 and 2008, respectively.

6. Notes Payable and Long-Term Debt:

Notes payable and long-term debt consisted of the following (in thousands):

Mortgage note payable, due in monthly installments of $31 with interest

at 7.0% through January 2014, collateralized by certain land and
building having a net book value of $3.5 million . . . . . . . . . . . . . . . . .

Mortgage note payable, original mortgage was refinanced in March
2008 and is due in monthly installments of $37 with interest at
LIBOR plus 150 basis points through February 2028, with remaining
principal and interest due March 2028, collateralized by certain land
and building having a net book value of $12.9 million . . . . . . . . . . . . .
Working capital line of credit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Less current portion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

AS OF
SEPTEMBER 30,

2010

2009

$ —

$1,408

7,700
—

7,700
(440)

8,140
—

9,548
(728)

$7,260

$8,820

On November 22, 2004, several of the Company’s subsidiaries entered into a credit agreement (the
“Original Credit Agreement”) with a bank. The Original Credit Agreement has been amended periodically since
2004, and most recently on April 30, 2009 (as so amended, the “Credit Agreement”). Under the Credit
Agreement, the Company’s borrower subsidiaries can borrow up to $25.0 million principally secured by their
accounts receivable, inventories and equipment. The Credit Agreement expires on April 30, 2011. The Credit
Agreement limits the incurrence of additional indebtedness, requires the maintenance of certain financial ratios,

F-16

OYO Geospace Corporation and Subsidiaries

Notes to Consolidated Financial Statements—(Continued)

restricts the Company and its subsidiaries’ ability to pay dividends and contains other covenants customary in
agreements of this type. At September 30, 2010, the Company was in compliance with all covenants. The interest
rate for borrowings under the Credit Agreement is a LIBOR based rate with a margin spread of 300-400 basis
points depending upon the maintenance of certain ratios. At September 30, 2010, there were no borrowings under
the Credit Agreement, standby letters of credit outstanding in the amount of $0.4 million and additional
borrowings available of $24.6 million. At September 30, 2009, there were no borrowings under the Credit
Agreement, standby letters of credit outstanding in the amount of $0.9 million and additional borrowings
available of $15.9 million.

On December 30, 2009 the Company paid off a long-term mortgage note with a principal balance
outstanding of $1.3 million. The Company was required to pay an additional fee of $137,000 as a result of the
early extinguishment of the mortgage note. Such fee is recorded as a component of other income (expense) in the
Company’s consolidated statement of operations.

On March 13, 2008, the Company obtained an $8.8 million mortgage from a bank. The proceeds were used
to pay off the existing $2.6 million mortgage on the Pinemont facility and to repay outstanding borrowings under
the Credit Agreement. The mortgage is collateralized by the Pinemont property and buildings. The mortgage
interest rate is a floating rate based on LIBOR plus 150 basis points, or 1.8% at September 30, 2010.

The Company’s long-term debt will mature as follows (in thousands):

YEAR ENDING SEPTEMBER 30,

2011 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2012 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2013 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2014 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2015 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Thereafter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$ 440
440
440
440
440
5,500

$7,700

7. Accrued Expenses and Other Current Liabilities:

Accrued expenses and other current liabilities consisted of the following (in thousands):

AS OF
SEPTEMBER 30,

2010

2009

Employee bonuses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Product warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Compensated absences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Legal and professional fees . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Payroll . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Property taxes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Medical claims . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Other . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$ 3,331
1,378
1,037
517
1,811
1,270
371
1,078

$ —
832
917
725
1,111
1,678
458
1,233

$10,793

$6,954

F-17

OYO Geospace Corporation and Subsidiaries

Notes to Consolidated Financial Statements—(Continued)

The Company is self-insured for certain losses related to employee medical claims. The Company has
purchased stop-loss coverage for individual claims in excess of $150,000 per claimant per year in order to limit
its exposure to any significant levels of employee medical claims. Self-insured losses are accrued based on the
Company’s historical experience and on estimates of aggregate liability for uninsured claims incurred using
certain actuarial assumptions followed in the insurance industry.

8. Employee Benefits:

The Company’s employees are participants in the OYO Geospace Corporation Employee’s 401(k)
Retirement Plan (the “Plan”), which covers substantially all eligible employees in the United States. The Plan is a
qualified salary reduction plan in which all eligible participants may elect to have a percentage of their
compensation contributed to the Plan, subject to certain guidelines issued by the Internal Revenue Service. The
Company’s share of discretionary matching contributions was approximately $0.5 million, $0.5 million and $0.6
million in fiscal years 2010, 2009 and 2008, respectively.

The Company’s stock incentive plans in which employees may participate are discussed in Note 9 to these

Consolidated Financial Statements.

The Company’s employees are also participants in the OYO Geospace Corporation Fiscal Year 2010 Bonus
Plan (the “Bonus Plan”). Every employee of the Company is eligible to participate in Tier I of the Bonus Plan
except for its employees in the Russian Federation, who participate in a local plan. Under Tier I, employees share
proportionally in the Company’s profit based on each employee’s relative payroll. The Tier I bonus pool is
established by accruing 16.7% of consolidated pretax profits (before bonus) above a specified range. Selected
employees are eligible to participate in Tier II of the Bonus Plan, which applies after Tier I is fully funded. The
Tier II Bonus pool is established by accruing 16.7% of consolidated pretax profits (before bonus) within a
specified range. Under Tier II, participants share in the bonus pool based on their respective working groups
meeting predefined goals. Senior executive officers are eligible to participate in Tier III, which only applies after
the Tier I and Tier II pools have been fully funded. The Tier III bonus pool is established by accruing 16.7% of
consolidated pretax profits (before bonus) within a specified range above the Tier I and II ranges. The Company
recorded bonus expense of $3.3 million, zero and $3.1 million for the fiscal years 2010, 2009 and 2008,
respectively.

9. Stockholders’ Equity:

In September 1997, the board of directors and stockholders approved the 1997 Key Employee Stock Option
Plan (the “Employee Plan”), and, following amendments thereto, there has been reserved an aggregate of
1,125,000 shares of common stock for issuance thereunder. In November 1997, the board of directors and
stockholders approved the Company’s 1997 Non-Employee Director Plan (the “Director Plan”) and following an
amendment thereto, there has been reserved an aggregate of 150,000 shares of common stock for issuance
thereunder. At September 30, 2010, the shares of common stock available for grant under the Employee Plan and
Director Plan were 90,175 and 45,721, respectively.

Under the Employee Plan, the Company is authorized to grant nonqualified and incentive stock options to
purchase common stock and restricted stock awards of common stock to key employees of the Company.
Options have a term not to exceed ten years, with the exception of incentive stock options granted to employees
owning ten percent or more of the outstanding shares of common stock, which have a term not to exceed five
years. The exercise price of any option may not be less than the fair market value of the common stock on the
date of grant. In the case of incentive stock options granted to an employee owning ten percent or more of the
outstanding shares of common stock, the exercise price of such option may not be less than 110% of the fair

F-18

OYO Geospace Corporation and Subsidiaries

Notes to Consolidated Financial Statements—(Continued)

market value of the common stock on the date of grant. Options vest over a four-year period commencing on the
date of grant in 25% annual increments. Under the Employee Plan, the Company may issue shares of restricted
stock to employees for no payment by the employee or for a payment below the fair market value on the date of
grant. The restricted stock is subject to certain restrictions described in the Employee Plan, with no restrictions
continuing for more than ten years from the date of the award.

The Company has not issued any shares of restricted stock under the Employee Plan since August 1, 2001.
All issued shares of restricted stock are fully vested; thus there are no outstanding shares of restricted stock. The
prior issuances by the Company of restricted stock were recorded at the fair value of the stock subject to those
awards and were recorded as a component of stockholders’ equity, with a credit to additional paid-in capital. The
Company recorded compensation expense based on the vesting criteria of the individual awards. The Company
will account for future issuances of restricted stock awards in accordance with applicable guidelines, which
require that stock-based awards be measured and recognized at fair value.

The Company established the Director Plan pursuant to which options to purchase shares of common stock
are granted annually to non-employee directors and pursuant to which a portion of the annual fees paid for the
services of such non-employee directors is payable in shares of common stock based on the fair market value
thereof at the date of grant. However, as disclosed in our Current Report on Form 8-K filed with the Securities
and Exchange Commission, on February 21, 2007, the Board of Directors of the Company approved a new
compensation structure for non-employee directors, as recommended by the Board of Director’s Compensation
Committee. Pursuant to an amendment to the Director Plan adopted at the same meeting, the annual options to
non-employee directors will no longer be granted. Options granted under the Director Plan prior to the adoption
of this amendment have a term of ten years. The exercise price of each option granted is the fair market value of
the common stock on the date of grant. Options vest over a one-year period commencing on the date of grant.

Effective November 5, 1999, the board of directors approved the OYO Geospace Corporation 1999 Broad-
Based Option Plan (the “Broad-Based Plan”) and reserved an aggregate of 50,000 shares for issuance thereunder.
Under the Broad-Based Plan, the Company is authorized to issue to all employees (except executive officers and
employee directors) nonqualified stock options to purchase common stock of the Company. These options have a
term not to exceed ten years. The exercise price of any broad-based option may not be less than the fair market
value of the common stock on the date of grant. These options vest over a one-year period commencing on the
date of grant. There were 19,000 shares available for grant under this plan at September 30, 2010.

F-19

OYO Geospace Corporation and Subsidiaries

Notes to Consolidated Financial Statements—(Continued)

A summary of the activity with respect to stock options is as follows:

Outstanding at September 30, 2007 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Granted . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Exercised . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Forfeited . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Expired . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Outstanding at September 30, 2008 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Granted . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Exercised . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Forfeited . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Expired . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Outstanding at September 30, 2009 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Granted . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Exercised . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Forfeited . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Expired . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Shares

428,500
—
(47,750)
—
—

380,750
146,000
(58,400)
(100)
—

468,250
63,000
(122,450)
(100)
—

Outstanding at September 30, 2010 . . . . . . . . . . . . . . . . . . . . . . . . . . .

408,700

Weighted
Average
Exercise
Price

13.04
—
14.88
—
—

12.81
17.56
14.39
11.25
—

14.10
50.08
17.85
11.25
—

18.53

The number of stock options vested during fiscal years 2010, 2009 and 2008 were 37,750, 2,000 and 2,750,
respectively. The fair values of stock options vested during fiscal years 2010, 2009 and 2008 were $0.3 million,
$29,000 and $37,000, respectively.

The following table summarizes information about stock options outstanding and exercisable at

September 30, 2010:

Range of Exercise Prices

$ 6.81 to $13.49 . . . . . . . . . . .
$13.50 to $19.99 . . . . . . . . . .
$20.00 to $53.95 . . . . . . . . . .

Options Outstanding

Options Exercisable

Weighted
Average
Remaining
Term
(in years)

2.5
8.2
9.1

5.8

Weighted
Average
Exercise
Price

$ 7.34
17.60
48.28

Shares

185,250
39,700
11,250

18.53

236,200

Weighted
Average
Remaining
Term
(in years)

2.5
7.8
4.9

3.5

Weighted
Average
Exercise
Price

$ 7.34
17.69
38.21

10.55

Shares

185,250
149,200
74,250

408,700

Based on the Company’s closing stock price on September 30, 2010 of $57.88, the aggregate intrinsic value
of the stock options outstanding was $16.1 million. At September 30, 2010, the aggregate intrinsic value of the
stock options currently exercisable was $11.1 million. The total intrinsic value of stock options exercised during
fiscal years 2010, 2009 and 2008 was $3.3 million, $0.5 million and $2.2 million, respectively. As of
September 30, 2010 total unvested compensation expense associated with stock options amounted to $2.2 million
and will be recognized over the next four fiscal years.

F-20

OYO Geospace Corporation and Subsidiaries

Notes to Consolidated Financial Statements—(Continued)

10. Income Taxes:

Components of income before income taxes were as follows (in thousands):

YEAR ENDED
SEPTEMBER 30,

2010

2009

2008

United States . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Foreign . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$21,404
(502)

$ 6,910
(3,599)

$15,870
4,548

$20,902

$ 3,311

$20,418

The provision (benefit) for income taxes consisted of the following (in thousands):

Current:

Federal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Foreign . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
State . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$ 8,131
(109)
214

$ 958
47
95

$4,672
1,003
150

YEAR ENDED
SEPTEMBER 30,

2010

2009

2008

Deferred:

Federal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Foreign . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8,236

1,100

5,825

(1,394)
(22)

(1,416)

1,303
(852)

451

313
128

441

$ 6,820

$1,551

$6,266

Actual income tax expense (benefit) differs from income tax expense computed by applying the statutory
federal tax rate of 35.0%, 34.0% and 34.0% for fiscal years ended September 30, 2010, 2009 and 2008,
respectively, as follows (in thousands):

Provision for U.S. federal income tax at statutory rate . . . . . .
Effect of foreign income taxes . . . . . . . . . . . . . . . . . . . . . . . . .
Manufacturers’/producers’ deduction . . . . . . . . . . . . . . . . . . .
Research and experimentation tax credits . . . . . . . . . . . . . . . .
State income taxes, net of federal income tax benefit . . . . . . .
Nondeductible expenses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Resolution of prior years’ tax matters . . . . . . . . . . . . . . . . . . .
Contingency for uncertainty in income taxes . . . . . . . . . . . . . .
Other items . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

F-21

YEAR ENDED
SEPTEMBER 30,

2010

2009

2008

$7,313
(19)
(504)
(27)
139
197
(121)
(123)
(35)

$1,126
415
(89)
(181)
61
92
(45)
49
123

$7,146
(461)
(293)
(324)
84
246
(34)
(148)
50

$6,820

$1,551

$6,266

32.6%

46.8%

30.7%

OYO Geospace Corporation and Subsidiaries

Notes to Consolidated Financial Statements—(Continued)

The United States Congress has not extended the provision for research and experimentation credits beyond
calendar year 2009; therefore, the Company has not recorded any related tax benefit of such credits beyond its
first quarter ended December 31, 2009.

Deferred income taxes under the liability method reflect the net tax effects of temporary differences
between the carrying amounts of assets and liabilities for financial reporting purposes and the amounts used for
income tax purposes. Significant components of the Company’s net deferred income tax asset were as follows (in
thousands):

AS OF SEPTEMBER 30, 2010 AS OF SEPTEMBER 30, 2009

U. S.

Non U.S.

Total

U. S.

Non U.S.

Total

Deferred income tax assets:

Allowance for doubtful accounts . . . . . . . . . . . . . . . . . $
Inventories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Capitalized research and development costs . . . . . . . .
Property, plant and equipment and other . . . . . . . . . . .
Intangible assets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Net operating loss carryforwards, tax credits and

78
2,930

$
1
108
706 —
344
—
28 —

$

79 $

134 $

67 $
344

2,220
1,028 —
—
435
111 —

deferrals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stock-based compensation . . . . . . . . . . . . . . . . . . . . . .
Accrued product warranty . . . . . . . . . . . . . . . . . . . . . .
Accrued compensated absences . . . . . . . . . . . . . . . . . .
Comprehensive income . . . . . . . . . . . . . . . . . . . . . . . . .
Insurance and other reserves . . . . . . . . . . . . . . . . . . . . .

Deferred income tax liabilities:

Allowance for doubtful accounts . . . . . . . . . . . . . . . . .
Property, plant and equipment and other . . . . . . . . . . .

—
410
487 —
468
350 —
81 —
88

602

8

—
250
337 —
276
304 —
125 —
42

4

6

5,730

959

6,689

4,541

1,142

5,683

—

(92)

(2,542) —

(2,542)

(92) —

(69)
(69)
(2,705) — (2,705)

201
2,564
1,028
435
111

250
337
280
304
125
48

3,038
706
344
28

410
487
476
350
81
690

Net deferred income tax asset . . . . . . . . . . . . . . . . . . . . . . . . $ 3,188

$867

$ 4,055 $ 1,836 $1,073 $ 2,909

The Company has net operating losses at its Russian and Canadian subsidiaries that can be carried forward

six and twenty years, respectively.

Deferred income taxes are reported as follows in the accompanying consolidated balance sheet (in

thousands):

. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Current deferred income tax asset
Noncurrent deferred income tax asset
. . . . . . . . . . . . . . . . . . . . . . . . . .
Noncurrent deferred income tax liability . . . . . . . . . . . . . . . . . . . . . . . .

$ 4,542
754
(1,241)

$ 3,326
687
(1,104)

$ 4,055

$ 2,909

AS OF
SEPTEMBER 30,

2010

2009

F-22

OYO Geospace Corporation and Subsidiaries

Notes to Consolidated Financial Statements—(Continued)

A valuation allowance is provided when it is more likely than not that some portion or all of the deferred tax
assets will not be realized. Based on the Company’s expectation that the deductible temporary differences will
reverse during periods in which the Company generates net taxable income or during periods in which losses can
be carried back to offset prior year taxes, management believes that the Company will realize the benefit of its
net deferred income tax assets.

The financial reporting bases of investments in foreign subsidiaries exceed their tax bases. A deferred tax
liability is not recorded for this temporary difference because the investment is essentially permanent. A reversal
of the Company’s plans to permanently invest in these foreign operations would cause the excess to become
taxable. At September 30, 2010 and 2009, the temporary difference related to undistributed earnings for which no
deferred taxes have been provided was approximately $14.0 million and $14.3 million, respectively. The
Company will need to reassess and reassert its ability and intent to indefinitely reinvest the remaining foreign
earnings in order to continue the application of the exception under FASB guidelines.

From time to time the Company is the subject of audits by various tax authorities that can result in claims
and assessments and additional tax payments, penalties and interest. The United States Internal Revenue Service
(“IRS”) is in the process of conducting an audit of the Company’s United States Federal income tax returns for
fiscal years 2009, 2008 and 2007. Management believes that the outcome of such audit will not have a material
effect on the Company’s financial position, results of operations or cash flows.

Effective October 1, 2007, the Company adopted the provisions of the FASB guidance for accounting for
uncertainty in income taxes. At the time of adoption, the uncertain tax position did not materially differ from the
Company’s liability of $43,520. The amount of unrecognized tax liability with respect to the Company’s
uncertain tax positions increased based on activities during the fiscal year. The Company classifies interest and
penalties associated with the payment of income taxes in the Other Income (Expense) section of its consolidated
statement of operations. Tax return filings, which are subject to review by local tax authorities by major
jurisdiction, are as follows:

• United States—fiscal years ended September 2007, 2008, 2009 and 2010

•

State of Texas—fiscal years ended September 2006, 2007, 2008, 2009 and 2010

• Russian Federation—calendar years 2007, 2008, 2009 and 2010

• Canada—fiscal years ended September 2006, 2007, 2008, 2009 and 2010

F-23

OYO Geospace Corporation and Subsidiaries

Notes to Consolidated Financial Statements—(Continued)

The following table is a reconciliation of the total amounts of unrecognized tax benefits at the beginning and

end of fiscal year 2010 (in thousands):

Balance at October 1, 2007 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Change in prior year tax positions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Current tax positions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lapse of statute of limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Balance at September 30, 2008 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Change in prior year tax positions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Current tax positions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lapse of statute of limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Balance at September 30, 2009 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Change in prior year tax positions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Current tax positions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lapse of statute of limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$ 44
115
40
(7)

192
26
23
—

241
(73)
77
(25)

Balance at September 30, 2010 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$220

The unrecognized tax benefits would affect the Company’s effective tax rate in future periods if they are

favorably resolved.

Management believes that adequate provisions for income taxes have been reflected in the financial
statements and is not aware of any significant exposure items that have not been reflected in the financial
statements. Amounts considered probable of settlement within one year have been included in the accrued
expenses and other liabilities in the accompanying consolidated balance sheet.

11. Earnings Per Common Share:

Basic earnings per share is computed by dividing net earnings available to common stockholders by the
weighted average number of common shares outstanding during the period. Diluted earnings per share is
determined on the assumption that outstanding dilutive stock options have been exercised and the aggregate
proceeds as defined were used to reacquire common stock using the average price of such common stock for the
period.

F-24

OYO Geospace Corporation and Subsidiaries

Notes to Consolidated Financial Statements—(Continued)

The following table summarizes the calculation of weighted average common shares and common
equivalent shares outstanding for purposes of basic and diluted earnings per share (in thousands, except share and
per share amounts):

Net income . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Weighted average common shares and common share equivalents:

YEAR ENDED SEPTEMBER 30,

2010

2009

2008

$

14,082

$

1,760

$

14,152

Common shares . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Common share equivalents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6,031,314
161,704

5,950,403
128,975

5,908,727
207,312

Total weighted average common shares and common share

equivalents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6,193,018

6,079,378

6,116,039

Earnings per share:

Basic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Diluted . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$

$

2.33

2.27

$

$

0.30

0.29

$

$

2.40

2.31

Options totaling 63,000, 13,200 and 9,450 shares of common stock in fiscal years 2010, 2009 and 2008
respectively, were not included in the calculation of weighted average shares for diluted earnings per share
because their effects were antidilutive.

12. Related Party Transactions:

Sales to OYO Japan and other affiliated companies were approximately $0.8 million, $1.1 million and $0.8
million during fiscal years 2010, 2009 and 2008, respectively. Purchases of inventory from OYO Japan and other
affiliated companies were approximately $0.1 million in each of fiscal years 2010, 2009 and 2008, respectively.

13. Commitments and Contingencies:

Operating Leases

The Company leases certain equipment under short-term cancelable operating leases;

the
Company does not have future minimum rental commitments under noncancelable operating leases. Rent
expense was approximately $18,000, $0.1 million and $0.2 million during fiscal years 2010, 2009 and 2008,
respectively.

therefore,

Legal Proceedings

From time to time the Company is a party to what it believes is routine litigation and proceedings that may
be considered as part of the ordinary course of its business. Legal expenses related to such matters are expensed
as incurred.

On July 8, 2009, the Company received a complaint filed in the United States District Court in Nevada
alleging that the Geospace Seismic Recorder (“GSR”), the Company’s newly developed wireless data acquisition
system, infringes upon a patent held by Ascend Geo, LLC (“Ascend”). The Company requested and was granted
a change in venue to the United States District Court for the Southern District of Texas in Houston (the “Court”).
In addition to monetary damages, Ascend requested a preliminary injunction against future sales by the Company
of the GSR nodal system. The Company filed its response with the Court requesting that it deny Ascend’s request

F-25

OYO Geospace Corporation and Subsidiaries

Notes to Consolidated Financial Statements—(Continued)

for a preliminary injunction and, on November 4, 2009, the Court denied Ascend’s request for a preliminary
injunction. The Company strongly believes that the GSR nodal system does not violate Ascend’s patent. The
Company also strongly believes that Ascend’s patent is not valid and has petitioned the United States Patent and
Trademark Office (“PTO”) to re-examine its validity. On November 12, 2009, the PTO found that substantial
new questions of patentability were raised by the petition as to each of the claims of the Ascend patent and issued
an office action rejecting each of the claims based on prior art that the Company submitted to the PTO. Based on
the PTO’s initial finding of invalidity of Ascend’s patent claims, the Company petitioned the Court to stay the
litigation until the PTO can complete its reexamination of Ascend’s patent. The Court accepted the Company’s
request on December 11, 2009. On May 20, 2010, after full briefing from both Ascend and the Company, the
PTO examiner found all claims to be invalid. On September 17, 2010, Ascend filed a notice of appeal to the
Board of Patent Appeals and Interferences, and, so, the reexamination continues. According to Ascend’s website,
it ceased business operations on July 15, 2010. The Company will continue to defend vigorously its right to build
and sell its GSR products and based on developments to date, the Company believes that the matter will be
resolved satisfactorily in its favor. The Company further believes that Ascend’s claims are without merit and
intends to seek recovery of its attorney fees. At this time, however, the Company is unable to predict the outcome
of its dispute regarding Ascend’s patent or Ascend’s claims.

14. Supplemental Cash Flow Information:

Supplemental cash flow information is as follows (in thousands):

YEAR ENDED
SEPTEMBER 30,

2010

2009

2008

Cash paid for:

Interest
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Income taxes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$ 253
5,289

$ 336
4,121

$ 868
5,257

Noncash investing and financing activities:

Accrued capital expenditures . . . . . . . . . . . . . . . . . . . . . .

34

126

—

15. Segment and Geographic Information:

lines currently consist of geophones and hydrophones,

The Company evaluates financial performance based on two business segments: Seismic and Thermal
Solutions. The Seismic product
including multi-
component geophones and hydrophones, seismic leader wire, geophone string connectors, seismic telemetry
cables, high definition reservoir characterization products and services, marine seismic cable retrieval devices,
data acquisition systems, offshore cables and industrial products. Thermal Solutions products include thermal
printers, thermal printheads and dry thermal film and other media. The Company sells these products to a variety
of markets, including the screen print, point of sale, signage and textile markets. The Company also sells these
Thermal Solutions products to its seismic customers.

F-26

OYO Geospace Corporation and Subsidiaries

Notes to Consolidated Financial Statements—(Continued)

The following tables summarize the Company’s segment information:

YEAR ENDED SEPTEMBER 30,

2010

2009

2008

Net sales:

Seismic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Thermal Solutions . . . . . . . . . . . . . . . . . . . . . . . . .
Corporate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$114,774
12,955
804

$79,043
13,028
789

$118,612
15,201
682

Total . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

128,533

92,860

134,495

Income (loss) from operations:

Seismic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Thermal Solutions . . . . . . . . . . . . . . . . . . . . . . . . .
Corporate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Total . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

28,955
397
(8,244)

21,108

10,591
370
(7,352)

3,609

27,078
1,283
(8,176)

20,185

Depreciation, amortization and stock-based

compensation:

Seismic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Thermal Solutions . . . . . . . . . . . . . . . . . . . . . . . . .
Corporate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Total . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3,995
375
1,259

5,629

3,610
598
1,264

5,472

Interest income:

Seismic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Thermal Solutions . . . . . . . . . . . . . . . . . . . . . . . . .
Corporate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Total . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Interest expense:

Seismic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Thermal Solutions . . . . . . . . . . . . . . . . . . . . . . . . .
Corporate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Total . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

165
—
89

254

214
—
24

238

801
8

—

809

495
—
107

602

2,913
576
1,109

4,598

1,280
43
—

1,323

772
—
125

897

* The Company’s manufacturing operations for its Seismic and Thermal Solutions business segments are
combined. Therefore, the Company does not segregate and report separate balance sheet accounts for these
segments. As a result, the Company does not report business segment balance sheet information.

“Corporate” net sales consists of rental revenue earned from an operating lease of a surplus building located
in Houston, Texas. “Corporate” loss from operations primarily consists of the Company’s Houston headquarter
general and administrative expenses.

F-27

OYO Geospace Corporation and Subsidiaries

Notes to Consolidated Financial Statements—(Continued)

The Company has operations in the United States, Canada, the Russian Federation and the United Kingdom.

Sales information for the Company is as follows (in thousands):

YEAR ENDED SEPTEMBER 30,

2010

2009

2008

United States . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Canada . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Russian Federation . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
United Kingdom . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Eliminations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$127,972
3,706
7,973
3,432
(14,550)

$87,371
3,526
4,152
2,835
(5,024)

$120,448
7,691
18,350
4,340
(16,334)

$128,533

$92,860

$134,495

Summaries of net sales by geographic area for fiscal years 2010, 2009 and 2008 are as follows (in

thousands):

Asia (excluding Japan and Middle East) . . . . . . . . . . . .
Canada . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Europe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Japan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Middle East
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
United States . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Other . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

YEAR ENDED SEPTEMBER 30,

$

2010

7,521
6,011
13,375
4,163
9,441
85,423
2,599

2009

$ 9,114
10,730
16,357
971
14,236
40,254
1,198

$

2008

8,537
18,088
41,451
1,329
6,915
54,648
3,527

$128,533

$92,860

$134,495

Net sales are attributed to countries based on the ultimate destination of the product sold, if known. If the
ultimate destination is not known, net sales are attributed to countries based on the geographic location of the
initial shipment.

Long-lived assets were as follows (in thousands):

AS OF SEPTEMBER 30,

2010

2009

United States . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Canada . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Russian Federation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
United Kingdom . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
China . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$35,315
12,504
4,387
510
8

$33,447
5,966
5,115
517
8

$52,724

$45,053

F-28

OYO Geospace Corporation and Subsidiaries

Notes to Consolidated Financial Statements—(Continued)

16. Selected Quarterly Information (Unaudited):

The following table represents summarized data for each of the quarters in fiscal years 2010 and 2009 (in

thousands, except per share amounts):

Net sales . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Gross profit . . . . . . . . . . . . . . . . . . . . . . . . . . .
Income from operations . . . . . . . . . . . . . . . . .
Other income (expense), net . . . . . . . . . . . . . .
Net income . . . . . . . . . . . . . . . . . . . . . . . . . . .
Basic earnings per share . . . . . . . . . . . . . . . . .

2010

Fourth
Quarter

Third
Quarter

$36,144
15,006
7,442
(6)
5,096
0.84

$

$35,292
14,900
7,690
(103)
5,077
0.84

$

Second
Quarter

$30,781
10,289
4,240
60
2,808
0.47

$

First
Quarter

$26,316
7,161
1,736
(157)
1,101
0.18

$

Diluted earnings per share . . . . . . . . . . . . . . . .

$

0.82

$

0.81

$

0.45

$

0.18

Net sales . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Gross profit . . . . . . . . . . . . . . . . . . . . . . . . . . .
Income (loss) from operations . . . . . . . . . . . .
Other income (expense), net . . . . . . . . . . . . . .
Net income (loss)
. . . . . . . . . . . . . . . . . . . . . .
Basic earnings (loss) per share . . . . . . . . . . . .

2009

Fourth
Quarter

$22,705
4,336
(1,928)
10
(1,816)
$ (0.30)

Third
Quarter

$20,790
7,075
1,209
91
1,007
0.17

$

Second
Quarter

$23,510
7,142
1,756
93
1,232
0.21

$

First
Quarter

$25,855
8,020
2,572
(492)
1,337
0.23

$

Diluted earnings (loss) per share . . . . . . . . . . .

$ (0.30)

$

0.17

$

0.20

$

0.22

F-29

Schedule II

OYO Geospace Corporation and Subsidiaries
Valuation and Qualifying Accounts
(In Thousands)

Balance at
Beginning
of Period

Charged
to Costs
And
Expenses

Charged
to Other
Assets

(Deductions)
And
Additions

Balances at
End of
Period

Year ended September 30, 2010
Allowance for doubtful accounts on accounts and

notes receivable . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$ 848

$ (479)

$—

$

(35)

$ 334

Year ended September 30, 2009
Allowance for doubtful accounts on accounts and

notes receivable . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1,329

318

—

(799)

848

Year ended September 30, 2008
Allowance for doubtful accounts on accounts and

notes receivable . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1,027

1,615

—

(1,313)

1,329

F-30

Exhibit 21.1 

Subsidiaries of  
OYO Geospace Corporation  

Geospace Technologies, LP, a Texas limited partnership  
Geospace Technologies Corporation, a Delaware corporation  
Geospace Technologies Corporation Azerbaijan Branch, an Azerbaijan company  
Geospace Engineering Resources International, LP, a Texas limited partnership  
Geospace Finance Corp., a Texas corporation  
Concord Technologies, LP, a Texas limited partnership  
OYOG, LLC, a Delaware limited liability company  
OYOG Limited Partner, LLC, a Texas limited liability company  
OYOG Operations, LP, a Texas limited partnership  
OYO Geospace China, a Chinese company  
OYO Geo Space Canada, Inc., an Alberta corporation  
OYO Instruments, LP, a Texas limited partnership  
OYO Instruments, Europe Limited, a United Kingdom company  
OYO Geospace J.V., LP, a Texas limited partnership  
OYO-GEO Impulse International, LLC, a Russian limited liability company 

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM  

We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (No. 333-40893, No. 333-80003, 
No. 333-122834 and No. 333-122835) of OYO Geospace Corporation of our reports dated December 10, 2010, relating to the 
consolidated financial statements and financial statement schedule as of September 30, 2010 and 2009 and for each of the three fiscal 
years in the period ended September 30, 2010, and the effectiveness of internal control over financial reporting as of September 30, 
2010, which appear in this Form 10-K.  

Exhibit 23.1 

/s/ UHY LLP  

Houston, Texas  
December 10, 2010  

Exhibit 31.1 

I, Gary D. Owens, certify that:  
1.

I have reviewed this annual report on Form 10-K of OYO Geospace Corporation; 

CERTIFICATIONS  

2.

3.

4.

Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact 
necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading 
with respect to the period covered by this report; 

Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all 
material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods 
presented in this report; 

The registrant’s other certifying officers and I are responsible for establishing and maintaining disclosure controls and 
procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined 
in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have: 

a)

b)

c)

d)

designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under 
our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is 
made known to us by others within those entities, particularly during the period in which this report is being prepared; 

designed such internal control over financial reporting, or caused such internal control over financial reporting to be 
designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the 
preparation of financial statements for external purposes in accordance with generally accepted accounting principles; 

evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our 
conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this 
report based on such evaluation; and 

disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the 
registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has 
materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and 

5.

The registrant’s other certifying officers and I have disclosed, based on our most recent evaluation of internal control over 
financial reporting, to the registrant’s auditors and the audit committee of registrant’s board of directors (or persons performing 
the equivalent functions): 

a)

b)

all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting 
which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial 
information; and 

any fraud, whether or not material, that involves management or other employees who have a significant role in the 
registrant’s internal controls over financial reporting. 

December 10, 2010  

/s/ Gary D. Owens 

Name:  Gary D. Owens
Title: 

Chairman of the Board, President and
Chief Executive Officer 

  
  
  
  
  
  
  
  
  
  
  
  
 
 
 
 
 
 
 
 
Exhibit 31.2 

I, Thomas T. McEntire, certify that:  
1.

I have reviewed this annual report on Form 10-K of OYO Geospace Corporation; 

CERTIFICATIONS  

2.

3

4.

Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact 
necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading 
with respect to the period covered by this report; 

Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all 
material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods 
presented in this report; 

The registrant’s other certifying officers and I are responsible for establishing and maintaining disclosure controls and 
procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined 
in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have: 

a)

b)

c)

d)

designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under 
our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is 
made known to us by others within those entities, particularly during the period in which this report is being prepared; 

designed such internal control over financial reporting, or caused such internal control over financial reporting to be 
designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the 
preparation of financial statements for external purposes in accordance with generally accepted accounting principles; 

evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our 
conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this 
report based on such evaluation; and 

disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the 
registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has 
materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and 

5.

The registrant’s other certifying officers and I have disclosed, based on our most recent evaluation of internal control over 
financial reporting, to the registrant’s auditors and the audit committee of registrant’s board of directors (or persons performing 
the equivalent functions): 

a)

b)

all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting 
which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial 
information; and 

any fraud, whether or not material, that involves management or other employees who have a significant role in the 
registrant’s internal controls over financial reporting. 

December 10, 2010  

/s/ Thomas T. McEntire

Name:  Thomas T. McEntire
Title:  Chief Financial Officer and Secretary

  
  
  
  
  
  
  
  
  
  
  
  
 
 
 
 
 
 
 
Informational Addendum to Annual Report on Form 10-K  
Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002  

Not Filed Pursuant to the Securities Exchange Act of 1934  

Exhibit 32.1 

The undersigned Chairman of the Board, President and Chief Executive Officer of OYO Geospace Corporation does hereby certify as 
follows:  

Solely for the purpose of meeting the requirements of Section 906 of the Sarbanes-Oxley Act of 2002, and solely to the extent 
this certification may be applicable to this Annual Report on Form 10-K, the undersigned hereby certifies that this Annual 
Report on Form 10-K fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934 and 
the information contained in this Annual Report on Form 10-K fairly presents, in all material respects, the financial condition 
and results of operations of OYO Geospace Corporation.  

/s/ Gary D. Owens 

Name:  Gary D. Owens 
Title: 

Chairman of the Board, President and
Chief Executive Officer 
December 10, 2010

  
 
 
Informational Addendum to Annual Report on Form 10-K  
Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002  

Not Filed Pursuant to the Securities Exchange Act of 1934  

Exhibit 32.2 

The undersigned Chief Financial Officer and Secretary of OYO Geospace Corporation does hereby certify as follows:  

Solely for the purpose of meeting the requirements of Section 906 of the Sarbanes-Oxley Act of 2002, and solely to the extent 
this certification may be applicable to this Annual Report on Form 10-K, the undersigned hereby certifies that this Annual 
Report on Form 10-K fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934 and 
the information contained in this Annual Report on Form 10-K fairly presents, in all material respects, the financial condition 
and results of operations of OYO Geospace Corporation.  

/s/ Thomas T. McEntire

Name:  Thomas T. McEntire 
Title: 

 Chief Financial Officer and Secretary
 December 10, 2010 

  
Officers and Directors

O F F I C E R S

D I R E C T O R S

Gary D. Owens 
Chairman of the Board
President & Chief Executive Officer

Gary D. Owens 
Chairman of the Board
President & Chief Executive Officer

Michael J. Sheen
Senior Vice President
Chief  Technical Officer

Thomas T. McEntire
Chief Financial Officer
Secretary

Thomas L. Davis, Ph.D.
Professor of Geophysics
Colorado School of Mines

Takashi Kanemori
Director and Senior Executive Officer
OYO Corporation

William H. Moody
Retired Partner
KPMG

Michael J. Sheen
Senior Vice President
Chief  Technical Officer

Charles H. Still
Attorney at Law 
and Business Consultant

Richard C. White
Consultant
Oil and Gas Industry 

ibc

 
w w w . o y o g e o s p a c e . c o m

Corporate Headquarters

and Operating Facility

OYO Geospace Corporation

7007 Pinemont Drive

Houston, Texas 77040
(713) 986-4444

Geospace Technologies

(713) 986-4444

Geospace Offshore

(713) 986-4444

OYO Instruments

(713) 986-4444

Geospace Engineering

Resources International

(713) 986-4444

OYO-GEO Impulse

International LLC

Kirovogradskaya, 36,

Ufa, Bashkortostan, Russia

450001

(7) 3472 25 3973

OYO Geo Space Canada, Inc.

2735-37 Avenue, N.E.

Calgary, Alberta, Canada T1Y 5R8

(403) 250-9600

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OYO Geospace China

Room 700, 7th Floor, Lido Office Tower

Lido Place

Jichang Road

Beijing 100004, P. R. China

86 10 64378768

OYO Instruments, Europe Ltd.

F3 Bramingham Business Park

Enterprise Way, Luton,

Bedfordshire LU3 4BU,

England

44 (0) 1582 573 980

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