Quarterlytics / Communication Services / Rental & Leasing Services / Mobile Mini, Inc.

Mobile Mini, Inc.

mini · NASDAQ Communication Services
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Ticker mini
Exchange NASDAQ
Sector Communication Services
Industry Rental & Leasing Services
Employees 1001-5000
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FY2011 Annual Report · Mobile Mini, Inc.
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(cid:79)  Branch Offices
(cid:81)  Operational Yards
 (cid:43) Corporate Headquarters

Corporate Profi le
Mobile Mini, Inc. is the world’s leading provider of portable storage solutions through its lease fl eet, as of March 31, 2012, of more than 
236,600 portable storage units and offi  ces. Through a network of locations in the United States, Canada, United Kingdom and The 
Netherlands, the Company executes an operating strategy of leasing secure, high quality portable storage 
containers and offi  ces, off ering a diversifi ed product line and delivering excellent customer service.

Mobile Mini’s ongoing success in deploying this strategy stems from the Company’s consistent 
attention to a number of key marketing and operational drivers. These include maintaining an 
internal growth focus, increasing market awareness, off ering superior, diff erentiated products, 
emphasizing sales and marketing, maintaining a national presence coupled with local 
service, geographic and customer diversifi cation, employee retention and promotion, and 
creating a culture dedicated to superior customer service.

Since its founding in 1983, Mobile Mini’s diligent focus on these initiatives has driven 
the Company’s expansion from one location to a current network of 134 locations and 
has enabled the Company to build a solid fi nancial foundation and positioned Mobile 
Mini to continue its pattern of market leadership and sustainable growth.

Margin Analysis* 

EBITDA 

Operating Income 

Net Income 

2009 (1) 
% of total  
revenues 

41. 8  

31. 4 

9. 4 

2010 (2) 

% of total  
revenues 

39. 3 

28. 5 

7. 0 

2011 (3) 
% of total
revenues

37. 4

27. 6

9. 3

  *  EBITDA, operating income and net income as presented are adjusted non-GAAP fi nancial measures. 
(1)  Excludes integration, merger and restructuring expenses of $7.0 million and the settlement and legal costs of a purported class action lawsuit of $0.5 milion, net of income tax 

benefi t of $4.6 million.

(2)  Excludes integration, merger and restructuring expense of $2.5 million net of income tax benefi t of $1.5 million, one-time expenses of $0.2 million net of income tax benefi t of 

$0.1 million and debt restructuring expense and deferred fi nancing costs write-off  of $7.1 million net of income tax benefi t of $4.4 million.

(3)  Excludes integration, merger and restructuring expenses of $0.9 million net of income tax benefi t of $0.5 million, one-time expenses of $0 .9 million net of income tax benefi t of 
$0.5 million and acquisition costs of $0.4 million net of income tax benefi t of $0.2 million. Also excludes debt restructuring expense of $0.8 million net of income tax benefi t of 
$0.5 million and an income tax benefi t of $1.0 million for a statutory tax rate reduction in the U.K.

 
 
Message to My Fellow Shareholders:

As the economy continued to strengthen in 2011, Mobile Mini enjoyed an upturn in fl eet 
utilization, the primary driver for growth in lease revenues, non-GAAP EBITDA, and net 
income.  At the same time, we paved the way for future growth within both existing and 
new markets.  These accomplishments were not undertaken at the expense of Mobile 
Mini’s fi nancial strength, as once again we generated substantial free cash fl ow, paid down 
debt, and enhanced the Company’s fi nancial fl exibility and liquidity.  

2011 Overview
In 2011, business improved throughout the year, and as a result, in each of the four 
quarters we achieved comparable quarter improvement in lease revenues.  Further, in all 
but one of those quarters we booked comparable quarter gains in non-GAAP EBITDA.  As 
compared to 2010, total revenues increased by 10.2% to $364.4 million; lease revenues rose 
8.1% to $318.9 million; and non-GAAP EBITDA rose 4.8% to $136.1 million.  Additionally, 
non-GAAP net income increased 45.3% to $33.8 million, while non-GAAP diluted earnings 
per share increased 43.4% to $0.76.

2011’s average lease fl eet utilization increased by 3.7% over 2010 levels to 57.1%.  This year-
over-year improvement was achieved by placing more units on rent at existing branches, 
which included repositioning storage containers from lower utilization territories to higher 
demand markets, and by entering 12 new markets.  Consistent with the past several years, 
we have reduced the size of our fl eet by selling some of our units to customers with a more 
permanent need.  In 2011, we sold approximately 10,000 units at a very high margin of 
36.8%, up from 33.7% in 2010.  In the future, we may limit the sale of containers out of our 
rental fl eet as the economy continues to improve and new construction activity increases.  
We also look forward to further gains in utilization from entering new markets, and as you 
will read, a new consumer focus that should also benefi t our core on-site storage business. 

Our containers are an unusual asset class because they are made of heavy-duty steel, 
can be stacked three and four high in low-cost storage yards, require minimal ongoing 
maintenance, have no model year and do not become less valuable over time.  More 
importantly, when on lease they generate exceptionally high returns.  We have suffi  cient 
lease assets we can rent to grow our business at both existing and new markets for the 

500

400

300

200

100

0

200

REVENUES
($ in millions)

$415.4

$374.5

$364.4

$330.8

$318.3

07

08

09

10

11

Adjusted EBITDA*
($ in millions)

$175.0

$156.6

150

$129.9

$129.9 $136.1

100

50

0

50

40

30

20

10

0

100

80

60

40

20

0

-20

-40

-60

07

08

09

10

11

Adjusted EBITDA Margin*

40.8% 42.1% 41.8% 39.3%

37.4%

07

08

09

10

11

Free Cash Flow*
($ in millions)
$89.7

$66.2

$80.0

$33.8

($37.6)

07

08

09

10

11

* See Selected Financial Data and Free Cash Flow at 
the end of this Annual Report for reconciliation of 
non-GAAP measure to nearest GAAP measures.

1

foreseeable future.  I can always expand on the attributes of 
leasing portable storage units, and here are some of my favorites.  

Mobile Mini’s steel gems:
•  Provide predictable, recurring revenues from leases with an 

average duration of approximately 35 months;

•  Have average monthly lease rates that recoup our investment 

in our storage units within an average of 35 months; 

•  Have useful lives exceeding 30 years, relatively low 

maintenance and high residual values; and therefore 
•  Produce high incremental leasing operating margins.
In addition to utilization, another Mobile Mini growth driver is 
yield, which was up 5.6% year-over-year due primarily to higher 
trucking revenues and increased deliveries.  We also increased 
rental rates for new rentals as well as for certain customers that 
had units out on rent for an extended period of time.  We continue 
to hold steady with industry leading rental rates that are justifi ed 
because of our superior, diff erentiated products and high level of 
customer service, as well as our well-trained and incentivized sales 
staff  who know how to sell value over price.

One of the most important themes of 2011 was our new market 
expansion.  Following three new locations in 2010, we entered 
12 new markets, 10 greenfi elds and acquired two market leaders 
in 2011.  The greenfi elds were:  Des Moines, IA; Gainesville and 
Tallahassee, FL; Asheville and Wilmington, NC; Beaumont, TX; 
Columbus, GA; Jackson, MS; Allentown, PA; and Albany, NY.  The 
two acquisitions were in Calgary, Alberta, and Huntsville, AL, 
where in each case we purchased revenue-generating lease 
fl eets, enabling us to forego a majority of the start-up expenses.  
We repositioned existing idle fl eet to the new greenfi eld 
locations, which allows for cost-eff ective entry into new 
markets, with minimal capex and start-up costs while enhancing 
utilization.  In fact, greenfi eld branches are EBITDA positive on 
average within 12 months of opening.  We’ve identifi ed over 50 
additional underserved North American markets as potential 
Mobile Mini locations and we plan to be in at least eight of them 
by year-end 2012.  

We ended 2011 with 133 locations, 113 in North America and 20 
in Europe.  Since we have critical mass in all of our U.K. markets, 
we don’t need to add additional branches and therefore we can 
take advantage of the high incremental EBITDA margins our U.K. 
business can produce. 

Our 2011 growth and entry into new markets were achieved 
while generating $80.0 million in free cash fl ow (which we defi ne 
as net cash provided by operating activities, less net capital 
expenditures, excluding the cost of acquisitions).  Over the course 
of the year, we paid down another $75.3 million of debt, after 
payment of a $1.1 million call premium related to the redemption 
of $22.3 million of Mobile Storage Group (“MSG”) Senior Notes.  
Since the MSG acquisition in mid-2008, we have generated free 
cash fl ow of $258.5 million and paid down $235.3 million of debt.  

Interest expense was cut by $10 million from 2010 by paying 
down debt and replacing higher interest shorter duration 
senior notes with less costly and longer duration senior notes 

2

1.   Wowing with Passion 

2.   Whistle While We Work 

3.   Everyone Has a Voice 

4.    Just Use Good Judgment 

5.  The Power of Kindness and Respect

6. 

Integrity is Understood 

7.  We are Family 

8.  Leaders Serve 

9.   Embrace Change, Encourage Learning

10.  Best in Class

in late 2010.  Additionally, on February 22, 2012, we extended 
the maturity of our asset-based revolving credit facility (“ABL”) 
to February 22, 2017 from June 27, 2013.  Under the new ABL, 
we obtained a lower interest rate and increased the maximum 
principal amount from $850 million to $900 million.  The new 
credit facility further strengthens our capital structure, enhances 
our liquidity and should reduce our interest expense.  Based upon 
our outstanding ABL borrowings at December 31, 2011, the new 
lower interest rate would have produced annualized savings of 
over $1.7 million.  Our capital structure was streamlined in April, 
2011, when the remaining shares of our Series A Convertible 
Redeemable Participating Preferred Stock converted into 8.2 
million shares of our common stock, resulting in a single class of 
outstanding stock, common.  

After two years of generating net capital proceeds, in 2011 
capital expenditures approximated $5 million.  The $11 million 

of property, plant and equipment (PP&E) capex investment 
was partially off set by approximately $6 million of capital 
proceeds from selling units out of our lease fl eet.  The PP&E 
expenditures were primarily for delivery equipment, technology 
and communication improvements and other upgrades to our 
branch locations. 

Product and Customer Diff  erentiation
We make it easy to do business with Mobile Mini.  A simple call 
or website visit, and the customer has access to approximately 
100 diff erent types of units, ranging from fi ve to 48 feet in 
length and eight to 10 feet in width, multiple door and interior 
confi gurations and our proprietary locking system.  Working 
with our highly trained salespeople who clearly diff erentiate our 
products from those of our competitors, customers are guided 
to the right storage or offi  ce solution to meet their special needs.  
Product selection is accompanied by prompt and convenient 
delivery, and the peace of mind that comes with working with 
specialists, market leaders and people who care.  

While we launched our hybrid sales model in 2010, it was in full 
force throughout 2011.  The hybrid model encompasses national 
sales centers, one each in the U.S. and the U.K., which cater to 
our core non-construction customers including specialized 
end-user groups like schools, government and others.  The sales 
personnel at our full service branches target customers with 
localized requirements, such as large multi-unit customers and 
mobile offi  ce renters, but primarily work with local contractors 
on new construction and renovation projects.  We continue to 
optimize our hybrid sales model by incorporating a local, as well 
as centralized component, with both groups incentivized on the 
basis of performance. 

In 2011, we served over 80,000 customers who use storage 
containers as a lower cost alternative to renting more warehouse 
or offi  ce space.  In the aggregate, our 20 largest customers 
accounted for only approximately 8.7% of lease revenues, and 
approximately 60% of our customers rent only one unit.  Our 
customers encompass a broad range of enterprises, including 
retailing, construction, industrial, medical centers, schools 
and universities, utilities, distributors, the U.S. military, hotels, 
restaurants, entertainment complexes, and consumers.  The 
uses of our containers are virtually limitless, but they are more 
commonly used to securely store retail and manufacturing 
inventory, construction materials and equipment, documents 
and records, and other goods.  Our offi  ces, which represent 
approximately 17% of our fl eet, are frequently used as golf 
clubhouses, fi rst aid units, guard/security units, sales offi  ces and 
job site offi  ces. 

The Big News for 2012
An important initiative for 2012 is to expand our consumer 
product off erings to add indoor warehouse storage and long 
distance moving between our branches.  We currently provide 
off -site storage to consumers in fi ve U.S. markets and have done 
so for 15 years.  In those markets, we deliver a container to a 
homeowner; they load it and then we bring it back and store it in 
one of our outdoor storage yards.  Our plan for 2012 is to move 

this business indoors by leasing warehouse storage facilities in 
seven of our current U.S. markets: Phoenix, San Diego, Denver, 
Austin, Atlanta, Jacksonville and Minneapolis.

We have rolled out a new website that promotes both our 
current on-site storage and offi  ce business and our new 
consumer off erings.  We will be using our existing idle fl eet for 
the consumer business, but will be adding features to those 
containers that will make them more consumer-oriented.  
Those features include interior tie downs to secure belongings, 
insulation on the ceiling to reduce humidity and new branding 
on the outside of the container.  Our units will be larger and 
more secure than our competitors.

To create awareness for our new consumer services, we will 
be advertising on television and placing signifi cant focus into 
search engine marketing and optimization.  What makes this 
initiative exceptionally powerful is that the mass advertising 
spent to grow the consumer business should also increase brand 
awareness for our existing on-site storage business.  Similarly, 
we will be able to fully leverage advertising focused on the 
commercial and institutional self-storage market to attract and 
service consumers.  We regularly receive inquiries about portable 
storage from consumers, so in these seven starter markets we 
will be able to capture that business.  Our scale, fl eet size and 
trucking assets; our fi nancial strength; the number of locations; 
plus our patented locking system; make this a natural extension 
of our business.  

We are very well positioned for success in the consumer space 
because of our ability to leverage our local branch management, 
our existing logistics capabilities, our advertising, and our 
idle rental fl eet.  This has the potential to be a huge business 
opportunity with our addressable market increasing from 
approximately $2 billion for only the commercial storage 
business to over $20 billion with both consumer and commercial 
businesses.

We plan to invest about $5 million in capex for delivery 
equipment, handling equipment and for retrofi tting our existing 
rental fl eet in those markets in 2012.  Our mass advertising 
budget should impact 2012 non-GAAP EBITDA by between 
$3 to $4 million.  Based on our initial projections, we expect the 
actual warehouses to reach breakeven in about 12 to 18 months 
or when they have leased 200 units.  

Our New Culture Journey is Making a Diff  erence
We have come a long way in our culture journey.  Just 24 months 
ago we were in the middle of a great recession, which required 
management to make very tough cost-cutting decisions.  We 
laid off  almost 1,000 employees and focused on cost cutting 
measures, maximizing free cash fl ow and using that free cash 
fl ow to pay down debt.  We were very successful accomplishing 
these fi nancial goals, however those actions negatively 
impacted our culture.  

As a management team, we knew that we needed to rejuvenate 
the culture of our business.  We started by researching some 
of the companies that are known for their strong cultures like 
Nordstrom, Southwest Airlines, Zappos and others.  We quickly 

3

learned that one of the key ingredients to 
a great culture is a set of common core 
values that employees at all levels 
embrace and embody.  In essence, 
all decisions were made through 
the “fi lter” of those core values.  
These couldn’t be core values 
that the executives wrote; they 
must come from the hearts of 
the employees.  

We met with employees at 
every branch at every level and 
asked them to tell us what do 
they value most about Mobile 
Mini, what things we need to 
change and what core values would 
be most important to them and why.  
From this input we developed what 
are now Mobile Mini’s core values in North 
America.  The employees in the U.K. went through 
a very similar process and came up with their version of 
their core values.  In the end, the words were slightly diff erent, but 
the meaning was very similar.  

We now aff ectionately call our culture a “Culture of Wowing with 
Passion.”  Our model is very simple.  We are creating a culture 
where our employees are wowed --- by giving them a voice, by 
allowing them to make a diff erence, by celebrating successes, by 
allowing them to use good judgment and learn from mistakes.  
Employees are wowed by our team atmosphere, where we 
encourage them to not only wow each other but also look for 
opportunities to wow our customers.  These customers will 
continue to do business with us, as well as tell their friends and 
colleagues about Mobile Mini, which should produce strong and 
sustainable profi ts that drive shareholder value. 

So how do we know if we are successful?  We have set some very 
lofty goals that will take some time to achieve.  Our goals are 1) to 
be listed in Fortune Magazine as one of the Best Places to Work, 
2) to have world class customer satisfaction as defi ned by our Net 
Promoter Score and 3) to signifi cantly outperform our peers.  I am 
proud to say that we have made huge progress on these three 
fronts in only 24 months.

Our Employee Voice Survey is a valuable tool used to train, 
monitor and wow our employees in which we pose questions to 
employees about how their teams, their coworkers, and senior 
management are inline with our core values.  Our fi rst baseline 
survey was completed in June of 2011 and we look forward to 
seeing our progress when we retake the 2012 Employee Voice 
Survey.  I believe the employees are loving it. 

We measure Wowing our Customers using a Net Promoter Score 
(NPS) model.  We have a third party company call a sampling of 
customers at each location after their new rental unit has been 
picked up.  The main survey question is, “On a scale of 0 to 10, 
would you recommend Mobile Mini to a friend or colleague?”  

4

When we started the program our NPS 
scores were in the low 60s on a 

percentage basis. These were good 
scores, but there was plenty of 

room for improvement.  In 2011, 
our scores increased to the mid 
70s and we started 2012 with 
results close to 80%.  It is not 
surprising that approximately 
62.1% of our 2011 leasing 
revenues were derived from 
repeat customers.  

Our mission is to sustain a 
best in class business with 
employees that love coming to 

work, customers that love our 

products and services, and to 
produce sustainable value for our 

shareholders.

I would encourage our investors to go onto our 
website and read the detailed narrative behind each of our 

U.S. and U.K. core values.  You will also see a link to a “Culture 
Book” that one of our employees produced that details our 
travels and aspirations around culture.

In closing….
We’re very encouraged by the direction Mobile Mini is headed, 
with revenue growth, especially lease revenue growth driving 
non-GAAP EBITDA growth and our overall profi tability.  I am very 
proud of the progress we are making with our cultural journey 
and NPS improvements. Mobile Mini has the best-in-class 
products, service, sales and marketing team, whose mandate 
now includes the consumer market.  We have a superior 
diff erentiated product line and suffi  cient lease assets to grow our 
business at existing locations and those in the planning stages.  
While we have set our sights on at least eight more North 
American locations in 2012, we have over 50 additional market 
opportunities we will be considering.  

On behalf of the Board of Directors, I want to thank the entire 
Mobile Mini team on both sides of the Atlantic for their 
dedication and hard work that got us through the recession and 
prepared us for our future. We continue to value the confi dence 
of our shareholders, customers, lenders, noteholders and 
suppliers.

Sincerely yours,  

Steven G. Bunger

Chairman, President & Chief Executive Offi  cer

U.S. SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Form 10-K
ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d)
OF THE SECURITIES EXCHANGE ACT OF 1934
For the fiscal year ended December 31, 2011

Commission File Number 1-12804

(Exact Name of Registrant as Specified in its Charter)

Delaware
(State or other jurisdiction of
incorporation or organization)

86-0748362
(I.R.S. Employer
Identification No.)

7420 S. Kyrene Road, Suite 101
Tempe, Arizona 85283
(Address of Principal Executive Offices)
(480) 894-6311
(Registrant’s Telephone Number, Including Area Code)

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

Title of Each Class

Common Stock, $.01 par value
Preferred Share Purchase Rights

Name of Each Exchange on Which Registered

Nasdaq Global Select 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 Í

No ‘

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 Í

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 Í

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
such
files). Yes Í No ‘

required to submit and post

such shorter period that

the registrant was

for

(or

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 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. Í

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 the definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in
Rule 12b-2 of the Exchange Act. (Check one):
Large accelerated filer Í

Smaller reporting company ‘

Non-accelerated filer ‘

Accelerated filer ‘

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act). Yes ‘
The aggregate market value on June 30, 2011 of the voting stock owned by non-affiliates of the registrant was approximately

No Í

(Do not check if a smaller reporting company)

$931.7 million.

As of February 17, 2012, there were outstanding 45,608,606 shares of the registrant’s common stock, par value $.01.

DOCUMENTS INCORPORATED BY REFERENCE:

Portions of the Proxy Statement for the registrant’s 2012 Annual Meeting of Stockholders are incorporated herein by
reference in Part III of this Form 10-K to the extent stated herein. Certain exhibits are incorporated in Item 15 of this Annual
Report by reference to other reports and registration statements of the registrant which have been filed with the Securities and
Exchange Commission.

MOBILE MINI, INC.

2011 FORM 10-K ANNUAL REPORT

TABLE OF CONTENTS

PART I
BUSINESS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ITEM 1
ITEM 1A RISK FACTORS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ITEM 1B UNRESOLVED STAFF COMMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ITEM 2
PROPERTIES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
LEGAL PROCEEDINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ITEM 3
ITEM 4 MINE SAFETY DISCLOSURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

PART II

ITEM 5 MARKET FOR REGISTRANT’S COMMON EQUITY, RELATED STOCKHOLDER

MATTERS AND ISSUER PURCHASES OF EQUITY SECURITIES . . . . . . . . . . . . . . . . . . .
SELECTED FINANCIAL DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

ITEM 6
ITEM 7 MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND

RESULTS OF OPERATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ITEM 7A QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK . . . . . . .
FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA . . . . . . . . . . . . . . . . . . . . . . .
ITEM 8
CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING
ITEM 9
AND FINANCIAL DISCLOSURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ITEM 9A CONTROLS AND PROCEDURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ITEM 9B OTHER INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

PART III

ITEM 10 DIRECTORS, EXECUTIVE OFFICERS AND CORPORATE GOVERNANCE . . . . . . . . . . .
ITEM 11 EXECUTIVE COMPENSATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ITEM 12

SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT
AND RELATED STOCKHOLDER MATTERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

ITEM 13 CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS, AND DIRECTOR

ITEM 14

INDEPENDENCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PRINCIPAL ACCOUNTING FEES AND SERVICES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Page

4
17
26
26
26
27

27
29

33
50
52

95
95
97

97
99

99

99
99

ITEM 15 EXHIBITS, FINANCIAL STATEMENT SCHEDULES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

100

PART IV

2

Cautionary Statement about Forward Looking Statements

Our discussion and analysis in this Annual Report, in other reports that we file with the Securities and
Exchange Commission, in our press releases and in public statements of our officers and corporate spokespersons
contain forward-looking statements. Forward-looking statements give our current expectations or forecasts of
future events. You can identify these statements by the fact that they do not relate strictly to historical or current
events. They include words such as “may”, “plan”, “seek”, “will”, “expect”, “intend”, “estimate”, “anticipate”,
“believe” or “continue” or the negative thereof or variations thereon or similar terminology. These forward-
looking statements include statements regarding, among other things, our future actions; financial position;
management forecasts; efficiencies; cost savings, synergies and opportunities to increase productivity and
profitability;
income and margins; liquidity; anticipated growth; the economy; business strategy; budgets;
projected costs and plans and objectives of management for future operations; sales efforts; taxes; refinancing of
existing debt; and the outcome of contingencies such as legal proceedings and financial results.

Forward-looking statements may turn out to be wrong. They can be affected by inaccurate assumptions or
by known or unknown risks and uncertainties. We undertake no obligation to update or revise any forward-
looking statements, whether as a result of new information, future events or otherwise. Important factors that
could cause actual results to differ materially from our expectations are disclosed under “Risk Factors” and
elsewhere in this Annual Report,
in conjunction with the forward-looking
statements included in this Annual Report. These are factors that we think could cause our actual results to differ
materially from expected and historical results. We could also be adversely affected by other factors besides
those listed. All subsequent written and oral forward-looking statements attributable to us, or persons acting on
our behalf, are expressly qualified in their entirety by the cautionary statements, factors and risks identified
herein.

including, without

limitation,

3

ITEM 1. BUSINESS

Mobile Mini, Inc.

PART I

We are the world’s leading provider of portable storage solutions with a total fleet of approximately 237,600
units as of December 31, 2011. As of December 31, 2011, we operated in 133 locations throughout North
America and Europe, maintaining a strong leadership position in virtually all markets served. We offer a wide
range of portable storage products in varying lengths and widths with an assortment of differentiated features
such as patented locking systems, premium doors, electrical wiring and shelving. Our portable units provide
secure, accessible temporary storage for a diversified client base of over 80,000 customers across various
industries, including construction, consumer services and retail, industrial, commercial and governmental. Our
customers use our products for a wide variety of storage applications, including retail and manufacturing
supplies,
temporary offices, construction materials and equipment,
documents and records and household goods.

inventory and maintenance supplies,

We were founded in 1983 and follow a strategy of focusing on leasing rather than selling our portable
storage units. We derive most of our revenues from the leasing of portable storage containers, security office
units and mobile office units. Leasing revenues represented approximately 87.5% of total revenues for the year
ended December 31, 2011. We believe our leasing strategy is highly attractive because the vast majority of our
fleet consists of steel portable storage units which:

• provide predictable,

recurring revenues from leases with an average duration of approximately

35 months;

• have average monthly lease rates that recoup our current investment in our remanufactured units within

an average of 35 months; and

• have long useful lives exceeding 30 years, relatively low maintenance and high residual values.

Our total lease fleet has grown significantly over the years to over 237,600 units at December 31, 2011. In
addition to our leasing business, we also sell new and used portable storage containers, security office units and
mobile office units and provide delivery, installation and other ancillary products and services. Our sales revenue
represented 10.0% and 11.8% of total revenues for the twelve months ended December 31, 2010 and 2011,
respectively.

Our fleet is primarily comprised of remanufactured and differentiated steel portable storage containers that
were built according to standards developed by the International Organization for Standardization (“ISO”), other
steel containers, steel security offices that we manufacture and mobile offices. We remanufacture and customize
our products by adding our proprietary locking and easy-opening premium door system to our purchased ISO
containers and steel security offices. Because they are composed primarily of steel, these assets are characterized
by low risk of obsolescence, extreme durability, relatively low maintenance, long useful lives and a history of
high-value retention. We also have wood mobile office units in our lease fleet to complement our core steel
portable storage containers and steel security offices. We perform maintenance on our steel containers and
security offices on a regular basis. Repair and maintenance expense for our fleet has averaged 2.9% of lease
revenues over the past three fiscal years and is expensed as incurred. We believe our historical experience with
leasing rates and sales prices for these assets demonstrates their high-value retention. We are able to lease our
portable storage containers at similar rates without regard to the age of the container. In addition, we have sold
steel containers and security offices from our lease fleet at an average of 146% of original cost from 1997
through 2011.

4

Industry Overview

The storage industry includes two principal sectors, fixed self-storage and portable storage. The fixed self-
storage sector consists of permanent structures located away from customer locations used primarily by
consumers to temporarily store excess household goods. We do not participate in the fixed self-storage sector.
We do offer some non-fixed self-storage in secure containers from our fleet at some of our locations in the
U.S. and the U.K.

The portable storage sector in which our business focuses differs from the fixed self-storage sector, as it
brings the storage solution to the customer’s location and addresses the need for secure, temporary storage with
immediate access to the storage unit. The advantages of portable storage include convenience, immediate
accessibility, better security and lower price. In contrast to the fixed self-storage sector, the portable storage
sector is primarily used by businesses. This sector of the storage industry is highly fragmented and remains
primarily local in nature. Portable storage solutions include containers, record vaults and van trailer units.
Portable storage containers are achieving increased market share compared to the other portable options because
of an increasing awareness of customers that containers provide ground level access and better protection against
wind or water damage. As a result, containers can meet the needs of a diverse range of customers. Portable
storage units such as ours provide ground level access, higher security and improved aesthetics, compared to
certain other portable storage alternatives such as van trailers. Although there are no published estimates of the
size of the portable storage sector, we believe the size of the sector is expanding due to the increasing awareness
of the advantages of portable storage.

Our products also serve the modular space industry, which includes mobile offices and other modular
structures. We believe this industry generates approximately $5.0 billion in revenue annually in North America.
We offer steel security offices, combination steel office/storage units and mobile offices in varying lengths and
widths to serve the various requirements of our customers.

We also offer portable document and record storage units and many of our regular storage units are used for
document and record storage. We believe the documents and records storage industry will continue to grow as
businesses continue to generate substantial paper records that must be kept for extended periods.

Our goal is to continue to be the leading provider of portable storage solutions in North America and the

U.K. We believe our competitive strengths and business strategy will enable us to achieve this goal.

Competitive Strengths

Our competitive strengths include the following:

Market Leader. We are the nation’s largest provider of portable storage solutions in North America.
At December 31, 2011, we maintained a total lease fleet of approximately 237,600 portable storage and
mobile office units. We also have the largest national network of locations for portable storage solutions
with 133 locations in the U.S., Canada, the U.K. and The Netherlands. In North America, we maintain
strong market leadership positions in virtually all markets served. In the U.K., we are a market leader and
have nearly 100% geographic coverage.

The “Mobile Mini” brand name is associated with high quality portable storage products, superior
customer service and value-added storage solutions. We have achieved significant growth in new and
existing markets by capturing market share from competitors and by creating demand among businesses and
consumers previously unaware of the availability of our products to meet their storage needs. We believe we
are one of a few competitors in the U.S. and the U.K. who possesses the branch network, customer
relationships and infrastructure to compete on a national and regional basis while maintaining a strong local
market presence.

5

Superior, Differentiated Products. We offer the industry’s broadest range of portable storage
products, with many features that differentiate our products from those of our competition. We
remanufacture used ISO containers and have designed and manufactured our own portable storage units.
These capabilities allow us to offer a wide range of products and proprietary features to better meet our
customers’ needs, charge premium lease rates and gain market share from our competitors, who offer more
limited product selections. Our portable storage units vary in size from 5 to 48 feet in length and 8 to 10 feet
in width. The 10-foot wide units we manufactured provide 40% more usable storage space than the standard
eight-foot-wide ISO containers offered by our competitors. The vast majority of our products have our
patented locking system and multiple door options, including easy-open door systems. In addition, we offer
portable storage units with electrical wiring, shelving and other customized features. This differentiation
allows us to charge premium rental rates, compared to the rates charged by our competition.

Sales and Marketing Emphasis. We target a diverse customer base and, unlike most of our
competitors, have developed sophisticated sales and marketing programs enabling us to expand market
awareness of our products and generate strong organic growth. We have a dedicated commissioned sales
team and we assist them by providing them with our highly customized contact management system and
intensive sales training programs. We manage our salespersons’ effectiveness through extensive sales call
monitoring, mentoring and training programs. Online and yellow page advertising is an integral part of our
sales and marketing approach. Our website includes value-added features such as product video tours,
payment capabilities and real time sales inquiries that enable customers to chat live with salespeople.

National Presence with Local Service. We have the largest national network of locations for portable
storage solutions in the U.S. and the U.K. and believe it would be difficult for our competitors to replicate
this network. We have invested significant capital developing a national network of locations that serve
most major metropolitan areas in the U.S. and the U.K. We have differentiated ourselves from our local
competitors and made replication of our presence difficult by developing our branch network both through
opening branches in multiple cities and purchasing competitors in key markets. The difficulty and time
required to obtain the number of units and locations necessary to support a national operation would make
establishing a large competitor difficult. In addition, there are difficulties associated with recruiting and
hiring an experienced management team such as ours that has strong industry knowledge and local
relationships with customers. Our network of local branches and operational yards allows us to develop and
maintain relationships with our local customers, while providing a level of service to regional and national
companies that is made possible by our nationwide presence. Our local managers, sales force and delivery
drivers develop and maintain critical personal relationships with customers that benefit from access to our
wide selection of products. Additionally, our National Sales Center (“NSC”) coordinates inbound calls from
non-construction customers and oversees outbound marketing campaigns.

Geographic and Customer Diversification. Since storage units are used in a multitude of applications,
we have established strong relationships with a well diversified base of customers, ranging from leading
Fortune 500 companies to sole proprietorships, including large and small retailers, construction companies,
medical centers, schools, utilities, distributors, the U.S. and U.K. military, government agencies, hotels,
restaurants, entertainment complexes and households. As of December 31, 2011, we operated 133 locations
throughout North America, the U.K. and The Netherlands and served over 80,000 customers. In 2011, our
largest and second largest customers accounted for only 3.4% and 1.0%, respectively, of leasing revenues
and the 20 largest customers combined accounted for approximately 8.7% of leasing revenues.

Our geographically and industry-diversified customer base has reduced our susceptibility to the effects
of economic downturns in the markets in which we operate. The fact that we continued to generate strong
free cash flow while maintaining Consolidated Adjusted EBITDA margins of approximately 40% despite
the economic downturn demonstrates a measure of resilience to recessions in our business model.

Our diverse customer base also demonstrates the broad applications for our products and the
opportunity to create future demand through targeted marketing. We have developed key customer
relationships with large national companies, which rely upon us to supply temporary inventory storage

6

capacity during seasonal peaks. Our network of branch locations covers nearly all major markets in both the
U.S. and U.K. providing us with a broad geographical reach and a competitive advantage.

Customer Service Focus. The portable storage industry is particularly service intensive. Our entire
organization is focused on providing high levels of customer service. We have salespeople at both the
national and branch levels to better understand our customer’s needs and have trained our sales force to
focus on all aspects of customer service from the sales call onward. We differentiate ourselves by providing
security, convenience, product quality, broad product selection and availability, competitive lease rates and
customer service. We conduct training programs for our sales force to assure high levels of customer service
and awareness of local market competitive conditions. Additionally, we use a Net Promoter Score (“NPS”)
system to measure loyalty and enhance our customer service. We use NPS to measure customer satisfaction
each month, rental-by-rental, in real time through surveys conducted by a third party. We then use customer
feedback to drive service improvements across the company, from our branches to our corporate
headquarters. Our Customer Relationship Management (“CRM”) system also enables us to increase our
responsiveness
force’s performance.
inquiries and to efficiently monitor our
Approximately 62.1% of our 2011 leasing revenues were derived from repeat customers, which we believe
is a result of our superior customer service.

to customer

sales

Customized Enterprise Resource Planning (“ERP”) System. We have made significant investments
in an ERP system supporting our U.S. and U.K. operations. These investments enable us to optimize fleet
utilization, control pricing, capture detailed customer data, easily evaluate and approve credit applications,
audit company results reports, gain efficiencies in internal control compliance and support our growth by
projecting near-term capital needs. In addition, we believe this system gives us a competitive advantage
over smaller and less sophisticated local and regional competitors. Our ERP system allows us to carefully
monitor, on a real time basis, the size, mix, utilization and lease rates of our lease fleet branch by branch.
Our systems also capture relevant customer demographic and usage information, which we use to target new
customers within our existing and new markets.

Business Strategy

Our business strategy consists of the following:

Focus on Core Portable Storage Leasing Business. We focus on growing our core portable storage
leasing business, which accounted for 81% of our fleet at December 31, 2011, because it provides
predictable recurring revenue and high margins. We believe that we can continue to generate substantial
demand for our portable storage units throughout North America and Europe.

Maintain Strong EBITDA Margins. One of the tools we use internally to measure our financial
performance is EBITDA margins. We calculate this number by first calculating EBITDA, which we define
as net income before interest expense, debt restructuring or extinguishment expense, provision for income
taxes, depreciation and amortization. In comparing EBITDA from year to year, we may further adjust
EBITDA to exclude the effect of what we consider transactions or events not related to our core business
operations to arrive at adjusted EBITDA. We define our EBITDA margins as EBITDA or adjusted
EBITDA, divided by our total revenues, expressed as a percentage. We continued to aggressively manage
this margin even during the downturn in the economic environment. Our objective is to maintain a relatively
stable EBITDA margin through adjustments to our cost structure as revenues change.

Generate Strong Organic Growth. We focus on increasing the number of portable storage units we
lease to both new and repeat customers. We have historically generated strong organic growth within
existing markets through sophisticated sales and marketing programs aimed at increasing brand recognition,
expanding market awareness of the uses of portable storage and differentiating superior products from our
competitors. Through our NSC, we are able to deploy sophisticated marketing campaigns and customer
tracking strategies to generate new sales and support local branch operations. Our technology coupled with a
hybrid sales strategy allows us to bifurcate our customer base into customers that need a local sales presence

7

and those that can be supported and grown by our centralized NSC sales force. Through the NSC and our
hybrid sales strategy, we are able to target sales campaigns by specific markets, customer type and seasonal
needs as well as adjust pricing simultaneously on a national basis.

Opportunistic Geographic Expansion. We believe we have attractive geographic expansion
opportunities and have identified over 50 additional markets in North America where we believe demand for
portable storage units is underdeveloped. We have developed a proven strategy to enter new markets by
either redeploying existing containers to new markets that can be serviced by nearby full-service branches
or by acquiring the lease fleet assets of a small local portable storage business and overlaying our business
model onto the new branch. Although we may make opportunistic acquisitions in various markets from time
to time, we are primarily focused on optimizing existing markets and entering new markets through
greenfield operational yards. From these start-up operational yards, we are able to redeploy existing idle
fleet for utilization enhancement and growth, allowing for cost effective new branch openings with minimal
capital expenditures. During 2011, we entered 12 new markets, ten of which used the low-cost greenfield
strategy, while two were traditional acquisitions.

Continue to Enhance Product Offering. We continue to enhance our existing products to meet our
customers’ needs and requirements. We have historically been able to introduce new products and features
that expand the applications and overall market for our storage products. For example, over the years we
have introduced a number of innovative products including a 10-foot-wide storage unit, a record storage unit
and a 10-by-30-foot steel combination storage/office unit to our fleet. The record storage unit provides
highly secure, on-site and easy access to archived business records close at hand. In addition to our steel
container and steel security offices, we have also added wood mobile offices as a complementary product to
better serve our customers. We have also made continuous improvements (for example, making it easier to
use in colder climates) to our patented locking system over the years. Currently, the 10-foot-wide unit, the
record storage unit and the 10-by-30-foot steel combination storage/office unit are exclusively offered by
Mobile Mini. We believe our proprietary designed and manufactured units increase our ability to service our
customers’ needs and expand demand for our portable storage solutions. We currently offer customers the
option to place their storage units at five of our locations in the U.S. and intend to add new locations and
services going forward.

Products

We offer customers a wide range of portable storage and office products with an assortment of differentiated
features such as patented locking systems, premium and multiple door options and approximately 100 different
configuration options. Customers can either lease or buy products, but most prefer to lease. Our portable storage
units provide secure, accessible temporary storage for a diversified customer base, which includes large and
small retailers, construction companies, medical centers, schools, utilities, manufacturers and distributors, the
U.S. and U.K. military, government agencies, hotels, restaurants, entertainment complexes and households. Some
features of our different products are listed below:

• Remanufactured and Modified Steel Storage Containers. We purchase used ISO containers from leasing
companies, shipping lines and brokers. These containers were originally built to ISO standards and are
eight feet wide, 8’6” to 9’6” high and 20, 40 or 45 feet long. After acquisition, we remanufacture and
modify these ISO containers at our locations. Remanufacturing typically involves cleaning, removing rust
and dents, repairing floors and sidewalls, painting, adding our signs and further customizing them by
adding our proprietary easy opening door system and our patented locking system. Modification typically
involves splitting some containers into 5-, 10-, 15-, 20- or 25-foot lengths. We have also manufactured
portable steel storage containers for our lease fleet and for sale, including our 10-foot-wide containers.

We generally purchase used ISO containers when they are 10 to 12 years old, a time at which their useful
life as an ISO shipping container has normally expired according to the standards promulgated by the
International Organization for Standardization. Because we do not have the same stacking and strength
requirements that apply in the ISO shipping industry, we have no need for these containers to meet ISO

8

standards. If we need to purchase ISO containers, as we have in the past, we believe we would be able to
procure them, when available, at competitive prices because of our volume purchasing power.

• Steel Security Office and Steel Combination Offices. We buy and historically have manufactured steel
security office/storage combination and security office units that range from 10 to 40 feet in length. We
offer these units in various configurations, including office and storage combination units that provide a
10- or 15-foot office with the remaining area available for storage. Our office units provide the advantage
of ground accessibility for ease of access and high security in an all-steel design. Our European products
include canteen units and drying rooms for the construction industry. For customers with space
limitations, the office/canteen units can also be stacked two high with stairs for access to the top unit.
These office units are equipped with electrical wiring, heating and air conditioning, phone jacks, carpet or
tile, high security doors and windows with security bars or shutters. Some of these offices are also
equipped with sinks, hot water heaters, cabinets and restrooms.

• Wood Mobile Offices. We offer wood mobile office units, which range from 8 to 24 feet in width and 20
to 60 feet in length, and which we purchase from manufacturers. These units have a wide range of
exterior and interior options, including exterior stairs or ramps, awnings and skirting. These units are
equipped with electrical wiring, heating and air conditioning, phone jacks, carpet or tile and windows
with security bars. Many of these units contain restrooms.

• Steel Records Storage Containers. We market proprietary portable records storage units that enable
customers to store documents at their location for easy access, or at one of our facilities. Our units are
10.5 feet wide and are available in 12- and 23-foot lengths. The units feature high-security doors and
locks, electrical wiring, shelving, folding work tables and air filtration systems. We believe our products
are a cost-effective alternative to mass warehouse storage, with a high level of fire and water damage
protection.

• Van Trailers & Other — Non-Core Storage Units. Our acquisitions typically entail the purchase of
small companies with lease fleets primarily comprised of standard ISO containers. However, many of
these companies also have van trailers and other storage products, which we believe do not have the same
advantages as standard containers. It is our goal to dispose of these units from our fleet either as their
initial rental period ends or within a few years. We do not remanufacture these products. See “Product
Lives and Durability — Van Trailers — Non-Core Storage Units” below. At December 31, 2011, van
trailers comprised less than 0.2% of our lease fleet net book value.

We protect our products and brands through the use of trademarks and patents. In particular, we have
patented our proprietary door locking system. In 2003 and 2006, we were issued U.S. patents in connection with
our Container Guard Lock and our tri-cam locking system design. We have subsequently been issued patents in
Europe, China and the U.S. for improvements or modifications to our tri-cam locking systems.

Product Lives and Durability

Our steel portable storage containers, steel security offices and wood mobile offices have estimated useful
lives of 30 years, 30 years, and 20 years, respectively, from the date we build or acquire and remanufacture them,
with residual values of our per-unit investment ranging from 50% for our mobile offices to 55% for our core steel
products. Van trailers, which comprised 0.2% of the net book value of our lease fleet at December 31, 2011, are
depreciated over seven years to a 20% residual value. For the past three fiscal years, our cost to repair and
maintain our lease fleet units averaged approximately 2.9% of our lease revenues. Repainting the outside of
storage units is the most common maintenance item.

We maintain our steel containers on a regular basis by painting them with rust inhibiting paint, removing
rust, and occasionally replacing the wooden floor or a rusted panel as they come off rent and are ready to be
leased again. This periodic maintenance keeps the container in essentially the same condition as after we initially
remanufactured it and is designed to maintain the unit’s value and rental rates comparable to new units.

9

Approximately 11.8% of our 2011 revenue was derived from sales of our units. Because the containers in
our lease fleet do not significantly depreciate in value, we have no systematic program in place to sell lease fleet
containers as they reach a certain age. Instead, most of our container sales involve either highly customized
containers that would be difficult to lease on a recurring basis, or containers that we have not remanufactured. In
addition, due primarily to availability of inventory at various locations at certain times of the year, we sell a
certain portion of containers and offices from the lease fleet. Due to the unique asset characteristics of our steel
containers as well as our maintenance programs, these assets tend to hold their value over time and generate
positive margins with respect to both original cost and net book value when they are sold.

The following table shows the gross margin on containers and steel security offices sold from inventory
(which we call our sales fleet) and from our lease fleet from 1997 through 2011 based on the length of time in the
lease fleet.

Sales fleet(2) . . . . . . . . . . . . . . . .
Lease fleet, by period held

before sale:
Less than 5 years . . . . . . . . . .
5 to 10 years . . . . . . . . . . . . . .
10 to 15 years . . . . . . . . . . . . .
15 to 20 years . . . . . . . . . . . . .
20+ years . . . . . . . . . . . . . . . .

Number of
Units Sold

Sales
Revenue

Original
Cost(1)

Sales
Revenue as a
Percentage of
Original Cost

Sales
Revenue as a
Percentage of
Net Book Value

40,968

$133,868

$88,806

151%

150%

(Dollars in thousands)

43,627
6,188
2,193
506
44

$132,436
$ 28,295
9,424
$
1,724
$
134
$

$90,375
$19,416
$ 6,903
$ 1,320
111
$

147%
146%
137%
132%
121%

152%
162%
163%
167%
161%

(1) “Original cost” for purposes of this table includes (i) the price we paid for the unit, plus (ii) the cost of our
manufacturing or remanufacturing, which includes both the cost of customizing units incurred, plus (iii) the
freight charges to our branch when the unit is first placed in service. For manufactured units, cost includes
our manufacturing cost and the freight charges to the branch location where the unit is first placed into
service.

(2)

Includes sales of raw ISO containers.

Appraisals on our fleet are conducted on a regular basis by an independent appraiser selected by our lenders.
The appraiser does not differentiate in value based upon the age of the container or the length of time it has been
in our fleet. The latest orderly liquidation value appraisal was conducted in June 2011 by AccuVal Associates,
Incorporated. Based on the values assigned in this appraisal, on which our borrowings under our revolving credit
facility are based, our lease fleet liquidation appraisal value as of December 31, 2011, was approximately
$832.2 million.

Because steel storage containers substantially keep their value when properly maintained, we are able to
lease containers that have been in our lease fleet for various lengths of time at similar rates, without regard to the
age of the container. Our lease rates vary by the size and type of unit leased, length of contractual term, custom
features and the geographic location of our branch at which the lease is originated. While we focus on service
and security as a main differentiation of our products from our competitors, pricing competition, market
conditions and other factors can influence our leasing rates.

10

The following chart shows the average monthly lease rate that we currently receive for various types of
containers that have been in our lease fleet for various periods of time. We have added our 10-foot-wide
containers and security offices to the fleet and those types of units are not included in this chart. This chart
includes the eight major types of remanufactured ISO containers in the fleet, but specific details of each type of
unit are not provided due to competitive considerations.

Type 1 . . . . . . . Number of units

Average monthly rent

Type 2 . . . . . . . Number of units

Average monthly rent

Type 3 . . . . . . . Number of units

Average monthly rent

Type 4 . . . . . . . Number of units

Average monthly rent

Type 5 . . . . . . . Number of units

Average monthly rent

Type 6 . . . . . . . Number of units

Average monthly rent

Type 7 . . . . . . . Number of units

Type 8 . . . . . . . Number of units

Average monthly rent

Average monthly rent

Age of Containers
(By Number of Years in Our Lease Fleet)

0 — 5

6 — 10

11 — 15

16 — 20

Over 21

Total Number/
Average Dollar

9,313
$ 61.59
662
$ 84.08
14,457
$ 67.47
187
$ 97.86
630
$107.80
2,227
$127.09
9,633
$113.01
136
$165.37

2,148
$ 86.39
1,016
$ 87.46
4,198
$ 84.59
237
$ 98.83
310
$114.54
3,422
$123.20
9,298
$114.48
279
$165.10

2,057
$ 86.83
559
$ 89.02
1,798
$ 86.18
344
$109.03
885
$126.28
2,888
$132.99
3,581
$121.34
378
$167.47

355
$ 87.91
179
$ 87.50
806
$ 88.03
127
$106.62
43
$122.21
270
$130.19
118
$129.42
59
$163.82

15
$ 85.22
14
$ 84.81
71
$ 89.65
7
$101.17
—
$ —
18
$128.61
18
$131.92
5
$173.76

13,888
$ 69.86
2,430
$ 86.88
21,330
$ 73.27
902
$103.63
1,868
$118.00
8,825
$127.61
22,648
$115.03
857
$166.15

We believe fluctuations in rental rates based on container age are primarily a function of the location of the
branch from which the container was leased rather than age of the container. Some of the units added to our lease
fleet during recent years through our acquisitions program have lower lease rates than the rates we typically
obtain because the units remain on lease under terms (including lower rental rates) that were in place when we
obtained the units in acquisitions.

We periodically review our depreciation policy against various factors, including the following:

• results of our lenders’ independent appraisal of our lease fleet;

• practices of the major competitors in our industry;

• our experience concerning useful life of the units;

• profit margins we are achieving on sales of depreciated units; and

• lease rates we obtain on older units.

Our depreciation policy for our lease fleet uses the straight-line method over the units’ estimated useful life,

after the date we put the unit in service, and the units are depreciated down to their estimated residual values.

Steel Storage, Steel Security Office and Steel Combination Offices. Our steel products are our core leasing units
and include portable storage units, whether manufactured or remanufactured ISO containers, security office and office/
storage combination units. Our steel units are depreciated over 30 years with an estimated residual value of 55%.

Wood Mobile Offices. Because of the wood structure of these units, they are more susceptible to wear and
tear than steel units. We depreciate these units over 20 years down to a 50% residual value (2.5% per year), which
we believe to be consistent with most of our major competitors in this industry. Wood mobile office units lose value
over time and we may sell older units from time to time. At the end of 2011, all of our wood mobile offices were
less than twelve years old. These units, excluding those units acquired in acquisitions, are also more expensive than
our storage units, causing an increase in the average carrying value per unit in the lease fleet over the last ten years.

11

The operating margins on mobile offices are lower than the margins on steel containers. However, mobile
offices are rented using our existing infrastructure and therefore provide incremental returns far in excess of our
fixed expenses. These returns add to our overall profitability and operating margins.

Van Trailers and Other — Non-Core Storage Units. At December 31, 2011, van trailers made up less than
0.2% of the net book value of our lease fleet. When we acquire businesses in our industry, the acquired
businesses often have van trailers and other manufactured storage products that we believe do not offer
customers the same advantages as our core steel container storage product. We depreciate our van trailers over
7 years to a 20% residual value. We often attempt to sell most of these units from our fleet as they come off rent
or within a few years after we acquire them. We do not utilize our resources to remanufacture these products and
instead resell them.

Lease Fleet Configuration

Our lease fleet is comprised of over 100 different configurations of units. Depending on fleet utilization, we
add units to our fleet through purchases of used ISO containers and containers obtained through acquisitions,
both of which we remanufacture and customize. We also purchase new manufactured mobile offices in various
configurations and sizes, and manufacture our own custom steel units. Due to the number of units acquired in the
MSG transaction and the current economic environment, we do not anticipate needing to purchase or acquire
containers or offices to remanufacture or customize until our fleet utilization returns to historic levels. Our initial
cost basis of an ISO container includes the transportation cost to place the unit into service, the purchase price
from the seller and the cost of remanufacturing, which can include removing rust and dents, repairing floors,
sidewalls and ceilings, painting, signage and installing new doors, seals and a locking system. Additional
modifications may involve the splitting of a unit to create several smaller units and adding customized features.
The restoration and modification processes do not necessarily occur in the same year the units are purchased or
acquired. We procure larger containers, typically 40-foot units, and split them into two 20-foot units or one
25-foot and one 15-foot unit, or other configurations as needed, and then add new doors along with our patented
locking system and sometimes add custom features. In addition, we also sell units from our lease fleet to our
customers.

The table below outlines those transactions that effectively maintained the net book value of our lease fleet

at $1.0 billion at December 31, 2010 and December 31, 2011:

Lease fleet at December 31, 2010, net . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Purchases:

Container purchases and containers obtained through acquisitions,

Dollars

Units

(In thousands)

$1,028,403

245,499

including freight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Non-core units obtained in acquisitions . . . . . . . . . . . . . . . . . . . . . . . . . . . .

9,958(1)
516

2,743
333

Manufactured units:

Steel security offices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wood mobile offices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Remanufacturing and customization of units purchased or obtained in

prior years . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Other(4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cost of sales from lease fleet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Effect of exchange rate changes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Change in accumulated depreciation, excluding sales . . . . . . . . . . . . . . . . . . .

636
172

38
8

466(3)
(242)
(11,217)

22,490(2)

(5)
(22,463)
(1,715)
(19,250)

Lease fleet at December 31, 2011, net . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$1,018,742

237,628

(1)

Includes $1.3 million to acquire units previously held under a capital lease.

12

(2) Does not include any routine maintenance, which is expensed as incurred.

(3) These units include the net additional units that were the result of splitting steel containers into two or more
shorter units, such as splitting a 40-foot container into two 20-foot units, or one 25-foot unit and one 15-foot
unit and include units moved from finished goods to lease fleet.

(4)

Includes net transfers to and from property, plant and equipment and net non-sale disposals and recoveries
of the lease fleet.

The table below outlines the composition of our lease fleet at December 31, 2011:

Lease Fleet

Number of Units

Percentage of
Units

Steel storage containers . . . . . . . . . . . . . . . . . . . . . . . .
Offices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Van trailers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Other (chassis and ancillary products) . . . . . . . . . . . . .

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

(In thousands)
$ 611,679
536,723
3,047
2,829

1,154,278
(135,536)

192,420
40,974
4,234

81%
17%
2%

$1,018,742

237,628

100%

Branch Operations

Our senior management analyzes and manages the business as two business segments, North America and
Europe, and our operations across all branches concentrate on the same core business of leasing and selling
products that are substantially the same in each market. In order to effectively manage this business across
different geographic areas, we divide our business segments into smaller management areas we call divisions,
regions and branches. Each of our branches, in their segment, generally has similar economic characteristics
covering all products leased or sold, including similar customer base, sales personnel, advertising, yard facilities,
general and administrative costs and branch management. Further financial information by geography is provided
in Note 16 to the Consolidated Financial Statements appearing in Item 8 of this Annual Report.

In the U.S. particularly, we locate our branches in markets with attractive demographics and strong growth
prospects. Within each market, we have located our branches in areas that allow for easy delivery of portable
storage units to our customers over a wide geographic area. In addition, when cost effective, we seek locations
that are visible from high traffic roads in order to advertise our products and our name. Our branches maintain an
inventory of portable storage units available for lease, and some of our older branches also provide on-site
storage of units under lease at the branch.

At December 31, 2011, we operated 133 locations, of which 109 were located in the U.S., four in Canada,
19 in the U.K., and one in The Netherlands. As of December 31, 2011, we had 87 branch locations, of which 67
were located in the U.S., two in Canada, 17 in the U.K. and one in The Netherlands. In addition to our branches,
we had 46 properties we call operational yards from which we can service a local market and store and maintain
our products and equipment. We continue to evaluate our branch operations and where it becomes operationally
feasible, we convert some of our branches to operational yards to further reduce expenses. These operational
yards do not have branch managers or sales people, but typically have a dispatcher and drivers assigned to them.
Likewise, in order to enter new markets we will open new operational yards that can be serviced by nearby full-
service branches.

Each branch has a branch manager who has overall supervisory responsibility for all activities of the branch.
Many branch managers also oversee operational yards that reside within their geographic area. Branch managers
report to regional managers who each generally oversee multiple branches. Our regional managers, in turn, report
to one of our operational senior vice presidents (called a managing director in Europe). Performance based

13

incentive bonuses are a substantial portion of the compensation for these senior vice presidents, regional
managers and branch managers.

Each branch has its own dedicated sales staff, primarily to work with the local construction companies, and
a transportation department that delivers and picks up portable storage units from customers. Each branch has
delivery trucks and forklifts to load, transport and unload units and a storage yard staff responsible for unloading
and stacking units. Steel units can be stored by stacking them to maximize usable ground area. Some of our
larger branches also have a fleet maintenance department to maintain the branch’s trucks, forklifts and other
equipment. Our other branches perform preventive maintenance tasks, but outsource major repairs and other
maintenance requirements.

Sales and Marketing

We implemented a hybrid sales model consisting of a dedicated sales staff at all of our branch locations as
well as at our NSC. Our local sales staff builds and strengthens relationships with local customers in each market
with particular emphasis on contractors and construction-related customers, who tend to demand local
salesperson presence. Our NSC handles inbound calls from new customers and leads sales campaigns to existing
customers not serviced by branch sales personnel. In addition, the NSC initiates outbound marketing calls to
solicit new customers. Our sales staff at the NSC work with our local branch managers, dispatchers and sales
personnel to ensure customers receive integrated first class service from initial call to delivery. Our branch sales
staff, national sales center and sales management team at our headquarters and other locations conduct sales and
marketing on a full-time basis. We believe that offering local salesperson presence for customers along with the
efficiencies of a centralized sales operation for customers not needing a local sales contact will continue to allow
us to provide high levels of customer service and serve all of our customers in a dedicated, efficient manner.

Our sales personnel handle all of our products and we do not maintain separate sales forces for our various
product lines. Our sales and marketing force provides information about our products to prospective customers
by handling inbound calls and initiating outbound marketing calls. We have ongoing sales and marketing training
programs covering all aspects of leasing and customer service. Our branches communicate with one another and
with corporate headquarters through our ERP system and our customer relationship management software and
tools. This enables the sales team to share leads and other information and permits management to monitor and
review sales and leasing productivity on a branch-by-branch basis. We improve our sales efforts by recording and
rating the sales calls made and received by our trained sales force. Our sales personnel are compensated largely
on a commission basis.

Our nationwide presence in the U.S. and the U.K. allows us to offer our products to larger customers who
wish to centralize the procurement of portable storage on a multi-regional or national basis. We are well
these customers’ needs through our National Account Program, which centralizes and
equipped to meet
simplifies the procurement, rental and billing process for those customers. Approximately 1,000 U.S. customers
and 50 European customers currently participate in our National Account Program. We also provide our national
account customers with service guarantees, which assure them they will receive the same high level of customer
service from any of our branch locations. This program has helped us succeed in leveraging customer
relationships developed at one branch throughout our branch system.

We focus an increasing portion of our marketing expenditures on Internet-based initiatives with web-based
products and services for both existing and potential customers. We also advertise our products in the yellow
pages and have historically used a targeted direct mail program that described our products and features and
highlighted the advantages of portable storage.

Customers

During 2011, over 80,000 customers leased our portable storage products. Our customer base is diverse and
consists of businesses in a broad range of industries. In 2011, our largest and second largest customers accounted

14

for 3.4% and 1.0% of our leasing revenues, respectively, and our 20 largest customers accounted for approximately
8.7% of our leasing revenues. During 2011, approximately 61.1% of our customers rented a single unit.

Based on an independent market study, we believe our customers are engaged in a vast majority of the
industries identified in the four-digit Standard Industrial Classification manual published by the U.S. Bureau of
the Census.

We target customers who we believe can benefit from our portable storage solutions either for seasonal,
temporary or long-term storage needs. Customers use our portable storage units for a wide range of purposes.
The following table provides an overview of our customers and how they use our portable storage, combination
storage/office and mobile office units as of December 31, 2011:

Business

Consumer service

and retail businesses . . . . . .

Approximate
Percentage of
Units on Lease

37%

Construction . . . . . . . . . . . . . .

32%

Industrial and commercial

. . .

17%

Government and

institutions . . . . . . . . . . . . .

9%

Representative
Customers

Typical Application

Department, drug, grocery
and strip mall stores, hotels,
restaurants, dry cleaners and
service stations

General, electrical, plumbing
and mechanical contractors,
landscapers, residential
homebuilders and equipment
rental companies

Distributors, trucking and
utility companies, finance
and insurance companies,
real estate brokers and film
production companies

Inventory storage, maintenance
supplies, record storage and
seasonal needs

Equipment and materials
storage and job offices

Raw materials, equipment,
record storage, in-plant office
and seasonal needs

Schools, hospitals, medical
centers, military, Native
American tribal governments
and reservations and national,
state, county and local
governmental agencies

Athletic equipment, military
storage, disaster preparedness,
supplier, record storage,
security office, supplies,
equipment storage, temporary
office space and seasonal needs

Consumers . . . . . . . . . . . . . . .

5%

Homeowners

Backyard storage and storage of
household goods during
relocation or renovation;
storage at our location

Remanufacturing

We continue to remanufacture used ISO containers by adding our proprietary locking and easy-opening
door systems at some of our branch locations. Our differentiated product offering allows us to provide a broad
selection of products to our customers and distinguishes our products from our competitors. If needed in the
remanufacturing process, we purchase raw materials such as steel, vinyl, wood, glass and paint, which we use in
our remanufacturing and restoration operations. We typically buy these raw materials on a purchase order basis
as we do not have long-term contracts with vendors for the supply of any raw materials. Historically, we built
new steel portable storage units, steel security offices and other custom-designed steel structures as well as
remanufactured used ISO containers at our Maricopa, Arizona facility. After integrating the assets and operations
we acquired in the MSG acquisition, we leveraged our combined fleet and restructured our manufacturing

15

operations, reducing overhead and capital expenditures for our lease fleet. We accomplished this primarily by
reducing our work force at our Maricopa, Arizona manufacturing facility in addition to reducing manufacturing
and remanufacturing staff at other locations. Additionally, we essentially halted new production activities other
than completing existing work-in-process assignments and custom sale orders. For the near future, we expect that
our Maricopa, Arizona facility, with a limited staff, will be primarily used to rebrand, remanufacture and do
repairs and maintenance on our existing lease fleet, build custom sale units and store any excess units in our fleet.

Vehicles

At December 31, 2011, we had a fleet of 748 delivery trucks, of which 636 were owned and 112 were
leased. We use these trucks to deliver and pick up containers at customer locations. We supplement our delivery
fleet by outsourcing delivery services to independent haulers when appropriate.

Enterprise Resource Planning and Customer Relationship Management Systems

We operate highly customized ERP and CRM systems through which key operational and financial
information is made available on a daily basis. Our management team uses this information to closely monitor
current business activities. We also use the ERP system to improve and optimize lease fleet utilization, improve
the effectiveness of our sales and marketing programs and allow international growth by using the same ERP
system throughout the company. Our ERP, CRM and other systems are available to our branch network. Our
Tempe, Arizona corporate headquarters and each branch can enter data into the systems and access data on a
real-time basis. We generate weekly management reports by branch with leasing volume, fleet utilization, lease
rates and fleet movement statistics. These reports allow management to monitor each branch’s performance on a
daily, weekly and monthly basis. We track each portable storage unit by its serial number. Lease fleet and sales
information are entered in the ERP system daily at the branch level and verified through physical inventories by
branch or corporate employees. Our sales personnel also use the CRM system to track customer leads and other
sales data, including information about current and prospective customers. Members of our management team
can access all of these systems throughout each day at all of our locations or remotely. Our ERP system is
comprised of third-party licensed software and a number of proprietary custom enhancements. We have made
significant investments in our ERP and CRM systems over the years, and we intend to continue such investments
to further optimize the features of these systems for both our North American and European operations.

Lease Terms

Under our lease agreements, each lease has an original intended length of term at inception. However, if the
customer keeps the leased unit beyond the original intended term, the lease continues on a month-to-month basis
until cancelled by the customer. At the end of 2011, our steel storage containers initially have an average
intended term of approximately six months at inception; however, the average duration for these leases that have
fulfilled their term agreement was 35 months to date. Our security, security/storage and mobile offices typically
have an average intended lease term of approximately eight months. The average duration of all office leases that
have fulfilled their term agreement was 23 months in 2011. Our leases provide that the customer is responsible
for the cost of delivery and pickup at lease inception. Our leases specify that the customer is liable for any
damage done to the unit beyond ordinary wear and tear. However, our customers may purchase a damage waiver
from us to avoid this liability in certain circumstances. This provides us with an additional source of recurring
revenue. Any customer’s possessions stored within a portable storage unit are typically the responsibility of that
customer.

Competition

We face competition from several local and regional companies, as well as national companies, in all of our
current markets. We compete with several large national and international companies in our mobile office
product line. Our competitors include lessors of storage units, mobile offices, used van trailers and other

16

structures used for portable storage. We also compete with conventional fixed self-storage facilities. We compete
primarily in terms of security, convenience, product quality, broad product selection and availability, lease rates
and customer service. In our core portable storage business, we typically compete with Williams Scotsman, Elliot
Hire, PODS, Pac-Van, 1-800-PACK-RAT, LLC, Haulaway Storage Containers, Inc., Moveable Cubicle and a
number of other national, regional and local companies. In the mobile office business, we typically compete with
ModSpace, Williams Scotsman, McGrath RentCorp and other national, regional and local companies.

Employees

As of December 31, 2011, we employed approximately 1,579 full-time employees in the following major

categories:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Management
Administrative . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sales and marketing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Manufacturing and mechanics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Drivers, dispatch and yard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

165
301
297
121
695

Seasonality

Demand from some of our customers is somewhat seasonal. Demand for leases of our portable storage units
by large retailers is stronger from September through December because these retailers need to store more
inventories for the holiday season. Our retail customers usually return these leased units to us in December and
early in the following year. This seasonality has historically caused lower utilization rates for our lease fleet and
a marginal decrease in our operating cash flow during the first quarter of each year.

Access to Information

Our Internet address is www.mobilemini.com. We make available at this address, free of charge, our Annual
Report on Form 10-K, 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, as amended
(the “Exchange Act”), as soon as reasonably practicable after we electronically file such material with, or furnish
it to, the Securities and Exchange Commission (the “SEC”). In this Form 10-K, we incorporate by reference as
identified herein certain information from parts of our proxy statement for the 2012 Annual Meeting of
Stockholders, which we will file with the SEC and will be available free of charge on our website. Reports of our
executive officers, directors and any other persons required to file securities ownership reports under
Section 16(a) of the Exchange Act are also available through our web site. Information contained on our Web site
is not part of this Annual Report.

ITEM 1A. RISK FACTORS

A continued economic slowdown, particularly in the non-residential construction sector of the economy,
could reduce demand from some of our customers, which could negatively impact our financial results.

The recent recession has caused disruptions and extreme volatility in global financial markets and increased
rates of default and bankruptcy, and has reduced demand for portable storage and mobile offices. These events
have also caused substantial volatility in the stock market and layoffs and other restrictions on spending by
companies in almost every business sector. These events could continue to impact our business in a variety of
ways, including:

• reduction in consumer and business spending, which would result in a reduction in demand for our

products;

17

• a negative impact on the ability of our customers to timely pay their obligations to us or our vendors to

timely supply services, thus reducing our cash flow; and

• an increase in counterparty risk.

Additionally, at

the end of 2010 and 2011, customers in the construction industry, primarily in
non-residential construction, accounted for approximately 31% and 32%, respectively, of our leased units. If the
current economic slowdown in the non-residential construction sector continues, we may continue to experience
less demand for leases and sales of our products. Because most of the cost of our leasing business is either fixed
or semi-variable, our margins will contract if revenue continues to fall without similar changes in expenses,
which may be difficult to achieve, and which ultimately may result in having a material adverse effect on our
financial condition.

Our operational measures designed to increase revenue while continuing to control operating costs may not
generate the improvements and efficiencies we expect and may impact customers.

We have responded to the economic slowdown by employing a number of operational measures designed to
increase revenue while continuing to pursue our strategy of reducing operating costs where available.
Additionally, our hybrid sales strategy is designed to meet customer needs and drive revenue growth but differs
from our historic sales structure. No assurance can be given that these strategies will achieve the desired goals
and efficiencies in 2012 and beyond. The success of these strategies is dependent on a number of factors that are
beyond our control.

Even if we carry out

these measures in the manner we currently expect, we may not achieve the
improvements or efficiencies we anticipate, or on the timetable we anticipate. There may be unforeseen
productivity, revenue or other consequences resulting from our strategies that will adversely affect us. Therefore,
there can be no guarantee that our strategies will prove effective in achieving desired profitability or margins.

Additionally, these strategies may have adverse consequences if our cost cutting and operational changes are

deemed by customers to adversely impact product quality or service levels.

Global capital and credit markets conditions could have an adverse effect on our ability to access the capital
and credit markets, including via our credit facility.

In 2009, due to the disruptions in the global credit markets, liquidity in the debt markets was materially
impacted, making financing terms for borrowers less attractive or, in some cases, unavailable altogether.
Renewed disruptions in the global credit markets or the failure of additional lending institutions could result in
the unavailability of certain types of debt financing, including access to revolving lines of credit.

We monitor the financial strength of our larger customers, derivative counterparties, lenders and insurance
carriers on a periodic basis using publicly available information in order to evaluate our exposure to those who
have or who we believe may likely experience significant threats to their ability to adequately service our needs.
While we engage in borrowing and repayment activities under our revolving credit facility on an almost daily
basis and have not had any disruption in our ability to access our revolving credit facility as needed, the current
credit market conditions could eventually increase the likelihood that one or more of our lenders may be unable
to honor its commitments under our revolving credit facility, which could have an adverse effect on our business,
financial condition and results of operations.

Additionally, in the future we may need to raise additional funds to, among other things, fund our existing
operations, improve or expand our operations, respond to competitive pressures, or make acquisitions. If
adequate funds are not available on acceptable terms, we may be unable to meet our business or strategic
objectives or compete effectively. If we raise additional funds by issuing equity securities, stockholders may

18

experience dilution of their ownership interests, and the newly issued securities may have rights superior to those
of the common stock. If we raise additional funds by issuing debt, we may be subject to further limitations on our
operations arising out of the agreements governing such debt. If we fail to raise capital when needed, our
business will be negatively affected.

We face intense competition that may lead to our inability to increase or maintain our prices, which could
have a material adverse impact on our results of operations.

The portable storage and mobile office industries are highly competitive and highly fragmented. Many of
the markets in which we operate are served by numerous competitors, ranging from national companies like
ourselves, to smaller multi-regional companies and small, independent businesses with a limited number of
locations. See “Business — Competition.” Some of our principal competitors are less leveraged than we are and
have lower fixed costs and may be better able to withstand adverse market conditions within the industry.
Additionally, some of our competitors currently offer products outside of our core container offerings but may
have better brand recognition in their current end customer sectors. If these competitors use their brand
awareness to enter our product offerings, customers may choose these competitors’ products over ours and we
could lose business. We generally compete on the basis of, among other things, quality and breadth of service
and products, expertise, reliability and the price, size, and attractiveness of our rental units. Our competitors are
competing aggressively on the basis of pricing and may continue to drive down prices. To the extent that we
choose to match our competitors’ declining prices, it could harm our results of operations. To the extent that we
choose not to match or remain within a reasonable competitive distance from our competitors’ pricing, it could
also harm our results of operations, as we may lose rental volume.

We operate with a high amount of debt and we may incur significant additional indebtedness.

Our operations are capital intensive, and we operate with a high amount of debt relative to our size. At
December 31, 2011, we had the following outstanding issuances of senior notes: (i) $150.0 million in aggregate
principal amount of 6.875% senior notes due 2015 and (ii) $200.0 million in aggregate principal amount of
7.785% senior notes due 2020. Additionally at December 31, 2011, under our prior ABL Credit Agreement (as
amended, the “Prior Credit Agreement”) we could borrow up to $850.0 million on a revolving loan basis, which
means that amounts repaid may be reborrowed. At December 31, 2011, we had approximately $345.1 million of
indebtedness under the Prior Credit Agreement. On February 22, 2012, we entered into a new $900.0 million
ABL Credit Agreement (the “Credit Agreement”), which replaced the Prior Credit Agreement. Our substantial
indebtedness could have adverse consequences. For example, it could:

• require us to dedicate a substantial portion of our cash flow from operations to payments on our
indebtedness, which could reduce the availability of our cash flow to fund future working capital, capital
expenditures, acquisitions and other general corporate purposes;

• make it more difficult for us to satisfy our obligations with respect to our senior notes;

• expose us to the risk of increased interest rates, as certain of our borrowings will be at variable rates of

interest;

• require us to sell assets to reduce indebtedness or influence our decisions about whether to do so;

• increase our vulnerability to general adverse economic and industry conditions;

• limit our flexibility in planning for, or reacting to, changes in our business and our industry;

• restrict us from making strategic acquisitions or pursuing business opportunities; and

• limit, along with the financial and other restrictive covenants in our indebtedness, among other things, our
ability to borrow additional funds. Failing to comply with those covenants could result in an event of
default which, if not cured or waived, could have a material adverse effect on our business, financial
condition and results of operations.

19

Covenants in our debt instruments restrict or prohibit our ability to engage in or enter into a variety of
transactions.

The indentures governing our 6.875% senior notes and 7.785% senior notes contain various covenants that
limit our discretion in operating our business. In particular, we are limited in our ability to merge, consolidate or
transfer substantially all of our assets, issue preferred stock of subsidiaries and create liens on our assets to secure
debt. In addition, if there is default, and we do not maintain borrowing availability in excess of certain
pre-determined levels, we may be unable to incur additional indebtedness, make restricted payments (including
paying cash dividends on our capital stock) and redeem or repurchase our capital stock. Our senior notes do not
contain financial maintenance covenants and the financial maintenance covenants under our revolving credit
facility are not applicable unless we fall below specific borrowing availability levels.

Our revolving credit facility requires us, under certain limited circumstances, to maintain certain financial
ratios and limits our ability to make capital expenditures. These covenants and ratios could have an adverse effect
on our business by limiting our ability to take advantage of financing, merger and acquisition or other corporate
opportunities and to fund our operations. Breach of a covenant in our debt instruments could cause acceleration
of a significant portion of our outstanding indebtedness. Any future debt could also contain financial and other
covenants more restrictive than those imposed under the indentures governing the senior notes, and the revolving
credit facility.

A breach of a covenant or other provision in any debt

instrument governing our current or future
indebtedness could result in a default under that instrument and, due to cross-default and cross-acceleration
provisions, could result in a default under our other debt instruments. Upon the occurrence of an event of default
under the revolving credit facility or any other debt instrument, the lenders could elect to declare all amounts
outstanding to be immediately due and payable and terminate all commitments to extend further credit. If we
were unable to repay those amounts, the lenders could proceed against the collateral granted to them, if any, to
secure the indebtedness. If the lenders under our current or future indebtedness accelerate the payment of the
indebtedness, we cannot assure you that our assets or cash flow would be sufficient to repay in full our
outstanding indebtedness, including the senior notes.

The amount we can borrow under our revolving credit facility depends in part on the value of the portable
storage units in our lease fleet. If the value of our lease fleet declines under appraisals our lenders receive, the
amount we can borrow will similarly decline. We are required to satisfy several covenants with our lenders that
are affected by changes in the value of our lease fleet. We would be in breach of certain of these covenants if the
value of our lease fleet drops below specified levels. If this happens, we may not be able to borrow the amounts
we need to expand our business, and we may be forced to liquidate a portion of our existing fleet.

We may not be able to generate sufficient cash to service all of our debt, and may be forced to take other
actions to satisfy our obligations under such indebtedness, which may not be successful.

Our ability to make scheduled payments on or to refinance our obligations under, our debt will depend on
our financial and operating performance and that of our subsidiaries, which, in turn, will be subject to prevailing
economic and competitive conditions and to the financial and business factors, many of which may be beyond
our control. See the table under “Management’s Discussion and Analysis of Financial Condition and Results of
Operations — Liquidity and Capital Resources — Contractual Obligations” for disclosure regarding the amount
of cash required to service our debt.

We may not maintain a level of cash flow from operating activities sufficient to permit us to pay the
principal, premium, if any, and interest on our indebtedness. If our cash flow and capital resources are
insufficient to fund our debt service obligations, we may be forced to reduce or delay capital expenditures, sell
assets, seek to obtain additional equity capital or restructure our debt. In the future, our cash flow and capital
resources may not be sufficient for payments of interest on and principal of our debt, and such alternative

20

measures may not be successful and may not enable us to meet our scheduled debt service obligations. We may
not be able to refinance any of our indebtedness or obtain additional financing, particularly because of our
anticipated high levels of debt and the debt incurrence restrictions imposed by the agreements governing our
debt, as well as prevailing market conditions. In the absence of such operating results and resources, we could
face substantial liquidity problems and might be required to dispose of material assets or operations to meet our
debt service and other obligations. The instruments governing our indebtedness restrict our ability to dispose of
assets and use the proceeds from any such dispositions. We may not be able to consummate those sales, or if we
do, at an opportune time, or the proceeds that we realize may not be adequate to meet debt service obligations
when due.

We rely heavily on information technology in our operations, and any material failure, inadequacy,
interruption or breach of security of that technology could harm our ability to effectively operate our
business.

We rely heavily on information systems across our operations, including for management, sales, order
processing and transportation logistics. Our ability to effectively manage our business and coordinate the leasing/
sales and delivery of our products depends significantly on the reliability and capacity of these systems. Like
other companies, our information technology systems may be vulnerable to a variety of interruptions due to
events beyond our control, including, but not limited to, natural disasters, terrorist attacks, telecommunications
failures, computer viruses, hackers, and other security issues. The failure of these systems to operate effectively,
problems with transitioning to upgraded or replacement systems, a material network breach in the security of
these systems as a result of cyber attack, or any other failure to maintain a continuous and secure cyber network
could result in substantial harm or inconvenience to us or our customers. This could include the theft of our
intellectual property or trade secrets, or the improper use of personal information or other “identity theft.” Each
of these situations or data privacy breaches may cause delays in customer service, reduce efficiency in our
operations, require significant capital investments to remediate the problem, or result in negative publicity that
could harm our reputation and results.

As Department of Transportation regulations increase, our operations could be negatively impacted and
competition for qualified drivers could increase and result in increased labor costs.

We operate in the U.S. pursuant to operating authority granted by the U.S. Department of Transportation
(“DOT”). Our company drivers also must comply with the safety and fitness regulations of the DOT, including
testing and hours-of-service. Such matters as weight and equipment
those relating to drug and alcohol
dimensions also are subject to government regulations. We also may become subject to new or more restrictive
regulations relating to fuel emissions, drivers’ hours-of-service, ergonomics, on-board reporting of operations,
collective bargaining, security at ports, and other matters affecting safety or operating methods. The DOT is
currently engaged in a rulemaking proceeding regarding drivers’ hours-of-service, and the result could negatively
impact utilization of our equipment.

For example, in December 2010, CSA 2010, a new enforcement and compliance model implementing driver
standards in addition to our current standards, was launched. CSA 2010 may reduce the number of eligible
drivers and/or negatively impact our fleet ranking.

Under CSA 2010, drivers and fleets will be evaluated and ranked based on certain safety-related standards.
The methodology for determining a carrier’s DOT safety rating will be expanded to include the on-road safety
performance of the carrier’s drivers. As a result, certain current and potential drivers may no longer be eligible to
drive for us, our fleet could be ranked poorly, compared to our peer firms, and our safety rating could be
adversely impacted. A reduction in eligible drivers or a poor fleet ranking may result in difficulty attracting and
retaining qualified drivers, which could result in increased compensation costs.

21

The market price of our common stock has been volatile and may continue to be volatile and the value of
your investment may decline.

The market price of our common stock has been volatile and may continue to be volatile. This volatility
may cause wide fluctuations in the price of our common stock on The NASDAQ Global Select Market. The
market price of our common stock is likely to be affected by:

• changes in general conditions in the economy, geopolitical events or the financial markets;

• variations in our quarterly operating results;

• changes in financial estimates by securities analysts;

• other developments affecting us, our industry, customers or competitors;

• changes in demand for our products or the prices we charge due to changes in economic conditions,

competition or other factors;

• general economic conditions in the markets where we operate;

• the cyclical nature of our customers’ businesses, particularly those operating in the construction sectors;

• rental rate changes in response to competitive factors;

• bankruptcy or insolvency of our customers, thereby reducing demand for our used units;

• seasonal rental patterns, with rental activity tending to be lowest in the first quarter of the year;

• timing of acquisitions of companies and new location openings and related costs;

• labor shortages, work stoppages or other labor difficulties;

• possible unrecorded liabilities of acquired companies;

• possible write-offs or exceptional charges due to changes in applicable accounting standards, goodwill

impairment, or impairment of assets;

• the operating and stock price performance of companies that investors deem comparable to us; and

• the number of shares available for resale in the public markets under applicable securities laws.

Unionization by some or all of our employees could cause increases in operating costs.

None of our employees are presently covered by collective bargaining agreements. However, from time to
time various unions have attempted to organize some of our employees. We cannot predict the outcome of any
continuing or future efforts to organize our employees, the terms of any future labor agreements, or the effect, if
any, those agreements might have on our operations or financial performance.

We believe that a unionized workforce would generally increase our operating costs, divert the attention of
management from servicing customers and increase the risk of work stoppages, all of which could have a
material adverse effect on our business, results of operations or financial condition.

Fluctuations between the British pound and U.S. dollar could adversely affect our results of operations.

We derived approximately 16.3% of our total revenues in 2011 from our operations in the U.K. The
financial position and results of operations of our U.K. subsidiaries are measured using the British pound as the
functional currency. As a result, we are exposed to currency fluctuations both in receiving cash from our U.K.
operations and in translating our financial results back into U.S. dollars. We believe the impact on us of currency
fluctuations from an operations perspective is mitigated by the fact that the majority of our expenses, capital
expenditures and revenues in the U.K. are in British pounds. We do, however, have significant currency exposure

22

as a result of translating our financial results from British pounds into U.S. dollars for purposes of financial
reporting. Assets and liabilities of our U.K. subsidiary are translated at the period end exchange rate in effect at
each balance sheet date. Our income statement accounts are translated at the average rate of exchange prevailing
during each month. Translation adjustments arising from differences in exchange rates from period to period are
included in the accumulated other comprehensive income (loss) in stockholders’ equity. A strengthening of the
U.S. dollar against the British pound reduces the amount of income or loss we recognize on a consolidated basis
from our U.K. business. We cannot predict the effects of further exchange rate fluctuations on our future
operating results. We are also exposed to additional currency transaction risk when our U.S. operations incur
purchase obligations in a currency other than in U.S. dollars and our U.K. operations incur purchase obligations
in a currency other than in British pounds. As exchange rates vary, our results of operations and profitability may
be harmed. We do not currently hedge our currency transaction or translation exposure, nor do we have any
current plans to do so. The risks we face in foreign currency transactions and translation may continue to increase
as we further develop and expand our U.K. operations. Furthermore, to the extent we expand our business into
other countries, we anticipate we will face similar market risks related to foreign currency translation caused by
exchange rate fluctuations between the U.S. dollar and the currencies of those countries.

If we determine that our goodwill has become impaired, we may incur significant charges to our pre-tax
income.

At December 31, 2011, we had $514.5 million of goodwill on our Consolidated Balance Sheet. Goodwill
represents the excess of cost over the fair value of net assets acquired in business combinations. In the future,
goodwill and intangible assets may increase as a result of future acquisitions. Goodwill and intangible assets are
reviewed at least annually for impairment. Impairment may result from, among other things, deterioration in the
performance of acquired businesses, adverse market conditions, stock price, and adverse changes in applicable
laws or regulations, including changes that restrict the activities of the acquired business.

For more information, see the “Notes to Consolidated Financial Statements” included in our financial

statements contained in this Annual Report.

We are subject to environmental regulations and could incur costs relating to environmental matters.

We are subject to various federal, state, and local environmental protection and health and safety laws and

regulations governing, among other things:

• the emission and discharge of hazardous materials into the ground, air, or water;

• the exposure to hazardous materials; and

• the generation, handling, storage, use, treatment, identification, transportation, and disposal of industrial

by-products, waste water, storm water, oil/fuel and other hazardous materials.

We are also required to obtain environmental permits from governmental authorities for certain of our
operations. If we violate or fail to obtain or comply with these laws, regulations, or permits, we could be fined or
otherwise sanctioned by regulators. We could also become liable if employees or other parties are improperly
exposed to hazardous materials.

Under certain environmental laws, we could be held responsible for all of the costs relating to any
contamination at, or migration to or from, our or our predecessors’ past or present facilities. These laws often
impose liability even if the owner, operator or lessor did not know of, or was not responsible for, the release of
such hazardous substances.

Environmental laws are complex, change frequently, and have tended to become more stringent over time.
The costs of complying with current and future environmental and health and safety laws, and our liabilities

23

arising from past or future releases of, or exposure to, hazardous substances, may adversely affect our business,
results of operations, or financial condition.

The supply and cost of used ISO containers fluctuates, which can affect our pricing and our ability to grow.

As needed, we purchase, remanufacture and modify used ISO containers in order to expand our lease fleet.
If used ISO container prices increase substantially, we may not be able to manufacture enough new units to grow
our fleet. These price increases also could increase our expenses and reduce our earnings, particularly if we are
not able (due to competitive reasons or otherwise) to raise our rental rates to absorb this increased cost.
Conversely, an oversupply of used ISO containers may cause container prices to fall. In such event, competitors
may then lower the lease rates on their storage units. As a result, we may need to lower our lease rates to remain
competitive. These events would cause our revenues and our earnings to decline.

The supply and cost of raw materials we use in manufacturing portable storage units fluctuates and could
increase our operating costs.

As needed, we manufacture portable storage units to add to our lease fleet and for sale. In our manufacturing
process, we purchase steel, vinyl, wood, glass and other raw materials from various suppliers. We cannot be sure
that an adequate supply of these materials will continue to be available on terms acceptable to us. The raw
materials we use are subject to price fluctuations that we cannot control. Changes in the cost of raw materials can
have a significant effect on our operations and earnings. Rapid increases in raw material prices are often difficult
to pass through to customers, particularly to leasing customers. If we are unable to pass on these higher costs, our
profitability could decline. If raw material prices decline significantly, we may have to write down our raw
materials inventory values. If this happens, our results of operations and financial condition will decline.

Some zoning laws in the U.S. and Canada and temporary planning permission regulations in Europe
restrict the use of our portable storage and office units and therefore limit our ability to offer our products
in all markets.

Most of our customers use our storage units to store their goods on their own properties for various lengths
of time. Local zoning laws and temporary planning permission regulations in some of our markets do not allow
some of our customers to keep portable storage and office units on their properties or do not permit portable
storage units unless located out of sight from the street or may limit the type of product they may use or how long
it can be at their locations. If local zoning laws or planning permission regulations in one or more of our markets
no longer allow our units to be stored on customers’ sites, our business in that market will suffer.

If we fail to retain key management and personnel, we may be unable to implement our business plan.

One of the most important factors in our ability to profitably execute our business plan is our ability to
attract, develop and retain qualified personnel, including our CEO and operational management. Our success in
attracting and retaining qualified people is dependent on the resources available in individual geographic areas
and the impact on the labor supply due to general economic conditions, as well as our ability to provide a
competitive compensation package, including the implementation of adequate drivers of retention and rewards
based on performance, and work environment. The departure of any key personnel and our inability to enforce
non-competition agreements could have a negative impact on our business.

We may not be able to successfully acquire or launch new operations or integrate future acquisitions, which
could cause our business to suffer.

We may not be able to successfully complete potential strategic acquisitions if we cannot reach agreement
on acceptable terms or for other reasons. If we buy a company or launch new operations, we may experience
difficulty integrating that company’s personnel and operations, which could negatively affect our operating
results. In addition:

• the key personnel of the acquired company may decide not to work for us;

24

• we may experience business disruptions as a result of information technology systems conversions;

• we may experience additional financial and accounting challenges and complexities in areas such as tax

planning, treasury management, and financial reporting;

• we may be held liable for environmental risks and liabilities as a result of our acquisitions, some of which

we may not have discovered during our due diligence;

• our ongoing core business may be disrupted or receive insufficient management attention; and

• we may not be able to realize the cost savings or other financial benefits we anticipated.

In connection with future acquisitions, we may assume the liabilities of the companies we acquire. These
liabilities,
including liabilities for environmental-related costs, could materially and adversely affect our
business. We may have to incur debt or issue equity securities to pay for any future acquisition, the issuance of
which could involve the imposition of restrictive covenants or be dilutive to our existing stockholders.

If we do not manage new markets or new business lines or products effectively, some of our new branches
and acquisitions may lose money or fail, and we may have to close unprofitable locations. Closing a location or
line of business in such circumstances would likely result in additional expenses that would cause our operating
results to suffer.

In connection with expansion outside of the U.S., we face fluctuations in currency exchange rates, exposure
including certain trade barriers, changes in political and economic
to additional regulatory requirements,
conditions, and exposure to additional and potentially adverse tax regimes. Our success in Europe depends, in
part, on our ability to anticipate and effectively manage these and other risks. Our failure to manage these risks
may adversely affect our growth, in Europe and elsewhere, and lead to increased administrative costs.

We are exposed to various possible claims relating to our business and our insurance may not fully protect
us.

We are exposed to various possible claims relating to our business. These possible claims include those
relating to: (i) personal injury or death caused by containers, offices or trailers rented or sold by us; (ii) motor
vehicle accidents involving our vehicles and our employees; (iii) employment-related claims; (iv) property
damage and (v) commercial claims. Our insurance policies have deductibles or self-insured retentions which
would require us to expend amounts prior to taking advantage of coverage limits. Currently, we believe that we
have adequate insurance coverage for the protection of our assets and operations. However, our insurance may
not fully protect us for certain types of claims, such as claims for punitive damages or for damages arising from
intentional misconduct, which are often alleged in third party lawsuits. In addition, we may be exposed to
uninsured liability at levels in excess of our policy limits.

If we are found liable for any significant claims that are not covered by insurance, our liquidity and
operating results could be materially adversely affected. It is possible that our insurance carrier may disclaim
coverage for any class action and derivative lawsuits against us. It is also possible that some or all of the
insurance that is currently available to us will not be available in the future on economically reasonable terms or
not available at all. In addition, whether we are covered by insurance or not, certain claims may have the
potential for negative publicity surrounding such claims, which may lead to lower revenues, as well as additional
similar claims being filed.

We may not be able to adequately protect our intellectual property and other proprietary rights that are
material to our business.

Our ability to compete effectively depends in part upon protection of our rights in trademarks, copyrights
and other intellectual property rights we own or license, including patents to our locking system. Our use of
contractual provisions, confidentiality procedures and agreements, and trademark, copyright, unfair competition,
trade secret and other laws to protect our intellectual property and other proprietary rights may not be adequate.

25

Litigation may be necessary to enforce our intellectual property rights and protect our proprietary information
and patents, or to defend against claims by third parties that our services or our use of intellectual property
infringe their intellectual property rights. Any litigation or claims brought by or against us could result in
substantial costs and diversion of our resources. A successful claim of trademark, copyright or other intellectual
property infringement against us could prevent us from providing services, which could harm our business,
financial condition or results of operations. In addition, a breakdown in our internal policies and procedures may
lead to an unintentional disclosure of our proprietary, confidential or material non-public information, which
could in turn harm our business, financial condition or results of operations.

ITEM 1B. UNRESOLVED STAFF COMMENTS

We have received no written comments regarding our periodic or current reports from the staff of the SEC

that were issued 180 days or more preceding the end of our 2011 fiscal year and that remain unresolved.

ITEM 2.

PROPERTIES

We own several properties in the U.S., including our facility in Maricopa, Arizona, which is located
approximately 30 miles south of Phoenix. In the U.K., we own two locations. We lease all of our other locations.
All of our major leased properties have remaining lease terms of between one and 14 years and we believe that
satisfactory alternative properties can be found in all of our markets if we do not renew these existing leased
properties. The properties we lease for our branch locations are generally located in industrial areas so that we
can stack containers, store large amounts of containers and offices and operate our delivery trucks. These
properties tend to be 1 to 16 acre sites with little development needed for us to use them, other than a paved or
hard-packed surface, utilities and proper zoning.

Four of our leased properties are with related persons and the terms of these related persons lease
agreements have been reviewed and approved by the independent directors who comprise a majority of the
members of our Board of Directors.

Our Maricopa, Arizona facility is on approximately 43 acres. Previously,

the facility housed our
manufacturing, assembly, restoring, painting and vehicle maintenance operations. At the end of 2008, we
restructured our manufacturing operations and, as a result, this facility for the near future will be primarily used
to rebrand, remanufacture and do repairs and maintenance on our existing lease fleet, build custom sale units and
store any excess units in our fleet.

We lease our corporate and administrative offices in Tempe, Arizona. These offices occupy approximately
55,000 square feet of office space, including our NSC. The lease term expires in December 2014. Our European
headquarters is located in Stockton-on-Tees, United Kingdom, where we lease approximately 10,000 square feet
of office space. The lease term expires in July 2017.

ITEM 3.

LEGAL PROCEEDINGS

We are party from time to time to various claims and lawsuits that arise in the ordinary course of business,
including claims related to employment matters, contractual disputes, personal injuries and property damage. In
addition, various legal actions, claims and governmental inquiries and proceedings are pending or may be
instituted or asserted in the future against us and our subsidiaries.

Litigation is subject to many uncertainties, and the outcome of the individual litigated matters is not
predictable with assurance. It is possible that certain of the actions, claims, inquiries or proceedings, including
those discussed above, could be decided unfavorably to us or any of our subsidiaries involved. Although we
cannot predict with certainty the ultimate resolution of lawsuits, investigations and claims asserted against us, we
do not believe that the ultimate resolution of these claims or lawsuits will have a material adverse effect on our
business, financial condition, results of operations or cash flows.

26

ITEM 4. MINE SAFETY DISCLOSURES

Not applicable.

PART II

ITEM 5. MARKET FOR COMMON EQUITY, RELATED STOCKHOLDER MATTERS AND ISSUER

PURCHASES OF EQUITY SECURITIES

Common Stock Prices

Our common stock trades on The NASDAQ Global Select Market under the symbol “MINI”. The following
are the high and low sale prices for the common stock during the periods indicated as reported by the NASDAQ
Stock Market.

Quarter ended March 31, . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Quarter ended June 30,
Quarter ended September 30,
. . . . . . . . . . . . . . . . . . . . . . . . .
Quarter ended December 31, . . . . . . . . . . . . . . . . . . . . . . . . . .

$15.92
$18.21
$17.69
$20.35

$12.95
$14.69
$14.14
$14.83

$24.29
$25.49
$22.95
$19.70

$19.00
$19.45
$14.97
$15.10

2010

2011

High

Low

High

Low

We had 82 holders of record of our common stock on February 13, 2012, and we estimate that we have

more than 3,300 beneficial holders of our common stock.

We have not paid cash dividends on our common stock and do not expect to do so in the foreseeable future,
as we intend to retain all earnings to provide funds for the operation and expansion of our business. Further, our
Credit Agreement restricts our ability to pay dividends or other distributions on our common stock.

Sales of Unregistered Securities; Repurchases of Securities

On June 27, 2008, as part of the consideration for the acquisition of MSG, we issued 8.6 million shares of
our Series A Convertible Redeemable Participating Preferred Stock, par value $0.01 per share (the “Series A
Preferred Stock”), to the former stockholders of MSG. This issuance was made pursuant to an exemption from
registration under Regulation D of the Securities Act of 1933, as amended (the “Securities Act”).

On April 14, 2011,

the remaining issued and outstanding shares of the Series A Preferred Stock,
automatically converted into an aggregate of 8.2 million shares of the our common stock, par value $0.01 per
share, in accordance with the terms and conditions of the Series A Preferred Stock and are no longer outstanding.

27

Stock Performance Graph

The following Performance Graph and related information shall not be deemed “soliciting material” or
“filed” with the SEC, nor should such information be incorporated by reference into any future filings under the
Securities Act or the Exchange Act, except to the extent that Mobile Mini specifically incorporates it by reference
in such filing.

The following graph compares the five-year cumulative total return on our common stock with the
cumulative total returns (assuming reinvestment of dividends) on the Standard and Poor’s SmallCap 600 and the
NASDAQ Composite Index if $100 were invested in our common stock and each index on December 31, 2006.

STOCK PERFORMANCE GRAPH
Mobile Mini, Inc.
At December 31, 2011

Total Return* Performance

Mobile Mini, Inc.

Standard & Poor’s SmallCap 600

NASDAQ Stock Market Index (U.S.)

S
R
A
L
L
O
D

250

200

150

100

50

0

2006

2007

2008

2009

2010

2011

Index

Mobile Mini, Inc.

Period Ended December 31,

2006

2007

2008

2009

2010

2011

$100.00

$ 68.82

$53.53

$52.30

$ 73.09

$ 64.77

Standard & Poor’s SmallCap 600

$100.00

$ 99.70

$68.72

$86.29

$109.00

$110.10

NASDAQ Stock Market Index (U.S.)

$100.00

$108.47

$66.35

$95.38

$113.19

$113.81

* Total Return based on $100 initial investment and reinvestment of dividends.

28

ITEM 6. SELECTED FINANCIAL DATA

The following table shows our selected consolidated historical financial data for the stated periods. Amounts
include the effect of rounding. Certain prior period amounts in the selected financial data tables have been
reclassified to conform to the current financial presentation. You should read this material with “Management’s
Discussion and Analysis of Financial Condition and Results of Operations” and the financial statements and
related footnotes included elsewhere in this Annual Report.

Consolidated Statements of Income Data:
Revenues:

Leasing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sales . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Other . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Total revenues . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Costs and expenses:

Cost of sales . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Leasing, selling and general expenses . . . . . . . . . .
Integration, merger and restructuring expenses . . .
Goodwill impairment
. . . . . . . . . . . . . . . . . . . . . . .
Depreciation and amortization . . . . . . . . . . . . . . . .
Total costs and expenses . . . . . . . . . . . . . . . . . . . . . . .
Income from operations . . . . . . . . . . . . . . . . . . . . . . .
Other income (expense):

Interest income . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Interest expense . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Debt restructuring/extinguishment expense . . . . . .
Deferred financing costs write-off . . . . . . . . . . . . .
Foreign currency exchange gains (loss) . . . . . . . . .
Income before provision for income taxes . . . . . . . . .
Provision for income taxes . . . . . . . . . . . . . . . . . . . . .
Net income . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Earnings allocable to preferred stockholders . . . . . . .
Net income available to common stockholders . . . . .

Earnings per share:

Year Ended December 31,

2007

2008

2009

2010

2011

(In thousands, except per share and operating data)

$ 284,638
31,644
2,020
318,302

$371,560
41,267
2,577
415,404

$333,521
38,605
2,335
374,461

$295,034
33,156
2,567
330,757

$318,863
42,842
2,723
364,428

21,651
166,994
—
—
21,149
209,794
108,508

28,044
212,335
24,427
13,667
31,767
310,240
105,164

25,795
192,861
11,305
—
39,082
269,043
105,418

21,997
179,121
4,014
—
35,686
240,818
89,939

27,070
203,236
1,361
—
35,665
267,332
97,096

101
(24,906)
(11,224)
—
107
72,586
28,410
44,176
—
$ 44,176

135
(48,146)
—
—
(112)
57,041
28,000
29,041
(2,739)
$ 26,302

29
(59,504)

1
(56,430)
— (11,024)
(525)
—
(9)
(88)
21,952
45,855
8,443
18,057
13,509
27,798
(2,550)
(5,431)
$ 10,959
$ 22,367

—
(46,342)
(1,334)
—
(7)
49,413
17,549
31,864
(970)
$ 30,894

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

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

$

$

1.24

1.22

$

$

0.77

0.75

$

$

0.65

0.64

$

$

0.31

0.31

$

$

0.74

0.71

Weighted average number of common and common

share equivalents outstanding:

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

Other Data:
EBITDA(1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Net cash provided by operating activities . . . . . . . . . .
Net cash (used in) provided by investing activities . .
Net cash provided by (used in) financing activities . .
Operating Data:
Number of branches (at year end) . . . . . . . . . . . . . . . .
Lease fleet units (at year end) . . . . . . . . . . . . . . . . . . .
Lease fleet covenant utilization (annual average) . . . .
Lease revenue growth (reduction) from prior year . . .
Operating margin . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Net income margin . . . . . . . . . . . . . . . . . . . . . . . . . . .
EBITDA margin(3) . . . . . . . . . . . . . . . . . . . . . . . . . . .

35,489
36,296

34,155
38,875

34,597
43,252

35,196
43,829

41,566
44,569

$ 129,865
100,225
(138,682)
39,501

$136,954
98,518
(97,913)
(6,689)

$144,441
86,770
3,048
(82,999)

$125,617
60,805
5,351
(67,731)

$132,754
84,969
(12,787)
(71,063)

66
160,116

94
273,748

91
257,208

86
245,499

87
237,628

79.6%
16.1%
34.1%
13.9%
40.8%

75.0%
30.5%
25.3%
7.0%
33.0%

59.2%
53.4%
(10.2)% (11.5)%
27.2%
28.1%
4.1%
7.4%
38.0%
38.6%

57.1%
8.1%
26.6%
8.7%
36.4%

29

2007

2008

2009

2010

2011

At December 31,

(In thousands)

Consolidated Balance Sheet Data:
Lease fleet, net . . . . . . . . . . . . . . . . . . . . . . . . . . $ 802,923 $1,078,156 $1,055,328 $1,028,403 $1,018,742
1,708,051
1,028,851
Total assets . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Total debt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
696,472
387,989
Convertible preferred stock, at liquidation

1,716,317
771,402

1,798,857
907,206

1,754,039
824,246

preference values . . . . . . . . . . . . . . . . . . . . . .
Stockholders’ equity . . . . . . . . . . . . . . . . . . . . .

—
457,890

153,990
495,228

147,427
547,624

147,427
569,038

—
760,811

Reconciliations of EBITDA to net cash provided by operating activities, the most directly comparable

GAAP measure:

Year Ended December 31,

2007

2008

2009

2010

2011

(In thousands)

EBITDA(1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . $129,865 $136,954 $144,441 $125,617 $132,754
(42,683)
Interest paid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(816)
Income and franchise taxes paid . . . . . . . . . . . . . . . . . . .
—
Provision for restructuring charge . . . . . . . . . . . . . . . . . .
—
Goodwill impairment . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6,456
Share-based compensation expense . . . . . . . . . . . . . . . . .
(13,800)
Gain on sale of lease fleet units . . . . . . . . . . . . . . . . . . . .
Loss on disposal of property, plant and equipment . . . . .
91
Change in certain assets and liabilities, net of effect of

(33,032)
(27,896)
(667)
(797)
—
5,626
— 13,667
5,656
(9,849)
567

(54,817)
(1,055)
—
—
5,782
(11,661)
52

(56,582)
(823)
—
—
6,292
(10,045)
34

4,028
(5,560)
203

business acquired:

Receivables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inventories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Deposits and prepaid expenses . . . . . . . . . . . . . . . . .
Other assets and intangibles . . . . . . . . . . . . . . . . . . .
Accounts payable and accrued liabilities . . . . . . . . .

(2,119)
(610)
(1,754)
318
4,547

2,201
7,655
177
105
(30,542)

21,327
3,691
3,412
(103)
(24,299)

(2,077)
2,506
1,486
(200)
(5,403)

(4,148)
(1,242)
1,067
(33)
7,323

Net cash provided by operating activities . . . . . . . . . . . . $100,225 $ 98,518 $ 86,770 $ 60,805 $ 84,969

Reconciliation of net income to EBITDA and adjusted EBITDA:

Year Ended December 31,

2007

2008

2009

2010

2011

(In thousands except percentages)

Net income . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . $ 44,176 $ 29,041 $ 27,798 $ 13,509 $ 31,864
46,342
Interest expense . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
17,549
Income taxes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
35,665
Depreciation and amortization . . . . . . . . . . . . . . . . . . . . .
1,334
Debt restructuring/extinguishment expense . . . . . . . . . . .
—
Deferred financing costs write-off . . . . . . . . . . . . . . . . . .

56,430
8,443
35,686
— 11,024
525
—

24,906
28,410
21,149
11,224
—

48,146
28,000
31,767
—
—

59,504
18,057
39,082

EBITDA(1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Integration, merger and restructuring expenses(4) . . . . . .
Goodwill impairment(5) . . . . . . . . . . . . . . . . . . . . . . . . . .
Acquisition expenses(6) . . . . . . . . . . . . . . . . . . . . . . . . . .
Other(7) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

129,865

136,954
— 24,427
— 13,667
—
—
—
—

144,441
11,305
—
—
835

125,617
4,014
—
—
275

132,754
1,361
—
610
1,406

Adjusted EBITDA(2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . $129,865 $175,048 $156,581 $129,906 $136,131

EBITDA margin(3)

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

Adjusted EBITDA margin(3) . . . . . . . . . . . . . . . . . . . . . .

40.8%

40.8%

33.0%

42.1%

38.6%

41.8%

38.0%

39.3%

36.4%

37.4%

30

(1) EBITDA, as further discussed below, is defined as net income before interest expense, income taxes,
depreciation and amortization, and debt restructuring or extinguishment expense. We present EBITDA
because we believe it provides useful information regarding our ability to meet our future debt payment
it provides an overall
requirements, capital expenditures and working capital requirements and that
evaluation of our financial condition. In addition, EBITDA is a component of certain financial covenants
under our Credit Agreement.

EBITDA has certain limitations as an analytical tool and should not be used as a substitute for net income,
cash flows, or other consolidated income or cash flow data prepared in accordance with generally accepted
accounting principles in the U.S. (“GAAP”) or as a measure of our profitability or our liquidity. In
particular, EBITDA, as defined does not include:

• Interest expense — because we borrow money to partially finance our capital expenditures, primarily
related to the expansion of our lease fleet, interest expense is a necessary element of our cost to secure
this financing to continue generating additional revenues.

• Income taxes — because we operate in jurisdictions subject to income taxation, income tax expense is a

necessary element of our costs to operate.

• Depreciation and amortization — because we are a leasing company, our business is capital intensive and
we hold acquired assets for a period of time before they generate revenues, cash flow and earnings;
therefore, depreciation and amortization expense is a necessary element of our business.

• Debt restructuring or extinguishment expense — debt restructuring and extinguishment expenses are not
deducted in our various calculations made under our Credit Agreement and are treated no differently than
interest expense. As discussed above, interest expense is a necessary element of our cost to finance a
portion of the capital expenditures needed for the growth of our business.

When evaluating EBITDA as a performance measure, and excluding the above-noted charges, all of which
have material limitations, investors should consider, among other factors, the following:

• increasing or decreasing trends in EBITDA;

• how EBITDA compares to levels of debt and interest expense; and

• whether EBITDA historically has remained at positive levels.

Because EBITDA, as defined, excludes some but not all items that affect our cash flow from operating
activities, EBITDA may not be comparable to a similarly titled performance measure presented by other
companies.

(2) Adjusted EBITDA represents EBITDA plus the sum of certain transactions that are excluded when
internally evaluating our operating performance. Management believes adjusted EBITDA is a more
meaningful evaluation and comparison of our core business when comparing period over period results
without regard to transactions that potentially distort the performance of our core business operating results.

(3) EBITDA and adjusted EBITDA margins are calculated as EBITDA and adjusted EBITDA divided by total
revenues expressed as a percentage. The GAAP financial measure that is most directly comparable to
EBITDA margin is operating margin, which represents operating income divided by revenues. EBITDA
margin is presented along with the operating margin in the selected financial data under “Operating Data” so
as not to imply that more emphasis be placed on this measure than the corresponding GAAP measure.

(4)

Integration, merger and restructuring expenses represent costs we incurred in connection with the MSG
acquisition and the expenses in connection with the restructuring of our manufacturing operations as a result
of the MSG acquisition.

(5) Goodwill impairment represents a non-cash charge for a portion of our goodwill relating to our U.K. and

The Netherlands operations.

31

(6) Acquisition expenses represent acquisition activity costs. Prior to 2011, these expenses were capitalized

under the then current accounting guidelines for acquisitions we completed.

(7) Other includes the cost of one-time expenses in 2009 and 2010 primarily related to a class action settlement.
In 2011, these expenses primarily include start-up costs related to our new locations and asset repositioning
expenses. Prior to 2011, start-up costs and repositioning expenses were not as material as we primarily
expanded our geographic areas by traditional acquisitions where lease units were already in service and
demand for repositioning fleet units was not as strong compared to 2011.

32

ITEM 7. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND

RESULTS OF OPERATIONS

The following discussion of our financial condition and results of operations should be read together with
the consolidated financial statements and the accompanying notes included elsewhere in this Annual Report. This
discussion contains forward-looking statements that involve risks and uncertainties. Our actual results may differ
materially from those anticipated in those forward-looking statements as a result of certain factors, including,
but not limited to, those described under “Item 1A. “Risk Factors.”

Overview

Executive Summary

With an improving economy, our total revenue increased approximately 10.2% from the 2010 level and we
continued to keep our business right-sized, allowing us to maintain a strong adjusted EBITDA margin of 37.4%
during 2011. We have been cash flow positive for sixteen consecutive quarters and have used this positive cash
flow to pay down debt of approximately $235.3 million since June 30, 2008.

Our level of business started to improve on a year over year basis by the fourth quarter of 2010 and there
were signs of economic recovery beginning in 2011. We continued to enact selective price increases, focusing on
both new and existing customers that had units out on rent for an extended period of time, and, to date we have
observed no measurable difference in the attrition rates for these customers.

We continue to optimize our hybrid sales model incorporating a local, as well as centralized component,
with both groups incentivized on the basis of performance. The sales personnel at the branches primarily focus
on construction customers who tend to be large multi-unit customers that benefit from local service, while those
in our NSC in Tempe, Arizona are targeting the balance of our customers which includes single-unit customers.
We also have a similar program in Europe.

We monitor our business activity levels through a variety of metrics that we use to determine the optimal
efficiencies for our drivers, dispatchers, managers, salespeople and corporate staff needed while continuing our
focus on customer service and sales activity levels.

In 2009, we converted a number our branches to operational yards by leveraging our branch management to
cover more than one market, which allowed us to significantly lower our cost structure of these locations. As our
business began to stabilize from the economic downturn in 2010, we began entering additional markets through
three greenfield operational yards where we redeployed existing fleet to these new locations. With growth
returning to our business in 2011, we accelerated the expansion of our business and opened an additional ten
greenfield locations. In addition to these ten greenfields, we entered two additional locations in 2011 by
acquiring market leaders through traditional acquisitions just prior to year end.

We believe these continued efforts, together with managing working capital and controls over capital
expenditures, will allow us to generate free cash flow in 2012. In 2011, we have reduced our debt $75.3 million
and had $454.9 million of unused borrowing capacity under our Prior Credit Agreement as of December 31,
2011.

Our focus is on sales growth at both our existing and new locations as we continue our sophisticated sales
campaign strategies at our NSC and branches. We accomplish this in part through increasing sales personnel
accountability through our disciplined sales processes, which we believe gives us a significant competitive
advantage.

General

We are the world’s leading provider of portable storage solutions, through a total lease fleet of over 237,600
units at December 31, 2011. We operate in 133 locations throughout North America and Europe, maintaining a

33

strong leadership position in virtually all markets served. We offer a wide range of portable storage products in
varying lengths and widths with an assortment of differentiated features such as our patented locking systems,
premium doors, electrical wiring and shelving. Our portable storage units provide secure, accessible temporary
storage for a diversified client base across various industries.

We derive most of our revenues from leasing our portable storage containers, security office units and
mobile office units. In addition to our leasing business, we also sell our portable storage containers and
occasionally sell our security office units and mobile office units. We also sell non-core asset, when the
opportunity arises. Our sales revenues represented 11.8% of total revenues in 2011.

On June 27, 2008, we acquired the outstanding shares of our largest competitor, MSG, and MSG became a
wholly-owned subsidiary of Mobile Mini. We refer to this transaction as “the Merger” or “the MSG acquisition”
throughout this Annual Report. The MSG acquisition was the largest acquisition we have completed and
significantly expanded the number of our geographic locations in both the U.S. and the U.K. and also expanded
our presence in a number of existing markets. Following the Merger, we implemented our business model across
the newly acquired MSG branches. This enabled us to close locations and combine branch management in
overlapping markets as well as reposition our lease fleet to align with customer demand. Our consolidated
statements of income for the periods reported include certain estimated expenses expected or incurred related to
integration of MSG acquisition and restructuring charges related to restructuring of our manufacturing operations
as a result of the MSG acquisition.

Prior to acquiring MSG, we grew both organically and through smaller acquisitions, which we used to gain
a presence in new markets. Traditionally, we enter new markets through the acquisition of smaller local
competitors and then implement our business model, which is typically more focused on customer service and
marketing than the acquired business or other market competitors. Given our current utilization levels, we are
primarily entering new markets by migrating idle fleet to new low-cost greenfield operational yards and
occasionally by acquiring an existing business when the right economic conditions are present. These greenfield
operational yards do not have all the overhead associated with a fully staffed branch as they typically only have a
sales representative, drivers and yard personnel to handle deliveries and pick-ups of our fleet. A new location
will generally have fairly low operating margins during its early years, but as we penetrate the new market
through our marketing efforts and increase the number of units on rent at the new location, we are typically able
to reach company average levels of profitability after several years. The costs associated with opening a
greenfield operational yard are lower than a fully staffed branch which should have a comparatively positive
effect on margins.

When we enter a new market, we incur certain costs in developing new infrastructure. For example,
advertising and marketing costs will be incurred and certain minimum levels of staffing and delivery equipment
will be put in place regardless of the new market’s revenue base. Once we have achieved revenues during any
period that are sufficient to cover our fixed expenses, we are able to generate relatively high margins on
incremental lease revenues. Therefore, each additional unit rented in excess of the break-even level contributes
significantly to profitability. Conversely, any additional fixed expenses require us to achieve additional revenue
in order to maintain our margins. When we refer to our operating leverage in this discussion, we are describing
the impact on margins once we either cover our fixed costs or if we incur additional fixed costs in a market.

The level of non-residential construction activity is an important external factor that we examine to
determine the direction of our business. Because of the degree of our operating leverage, increases or decreases
in non-residential construction activity can have a significant effect on our operating margins and net income.
Beginning in the second quarter of 2008, the level of our construction related business slowed down and then
declined. The decline continued and adversely affected our results of operations. Although the construction
business has not returned to pre-2009 levels, the level of our construction related business stabilized and then
began to increase in 2010. In 2011, our construction activity improved quarter over quarter, compared to the
same period in 2010, and then slowed down in the fourth quarter while our retail activity in the fourth quarter

34

increased with the seasonal business. Customers in the construction industry represented approximately 32% and
31% of our leased units at December 31, 2011 and 2010, respectively.

In managing our business, we focus on growing leasing revenues, particularly in existing markets where we
can take advantage of the operating leverage inherent in our business model. Our goals are to maintain a stable
operating margin and, after the economy returns to normalized conditions, a steady growth rate in leasing
revenues.

We are a capital-intensive business; so in addition to focusing on earnings per share (“EPS”), we focus on
adjusted EBITDA to measure our results. We calculate this number by first calculating EBITDA, which we
define as net income before interest expense, debt restructuring or extinguishment expense, provision for income
taxes, depreciation and amortization. This measure eliminates the effect of financing transactions that we enter
into and it provides us with a means to track internally generated cash from which we can fund our interest
expense and our lease fleet growth. In comparing EBITDA from year to year, we typically further adjust
EBITDA to exclude the effect of what we consider transactions or events not related to our core business
operations to arrive at what we define as adjusted EBITDA.

In managing our business, we measure our adjusted EBITDA margins from year to year based on the size of
the branch. We define this margin as adjusted EBITDA divided by our total revenues, expressed as a percentage.
We use this comparison, for example, to study internally the effect that increased costs have on our margins. As
capital is invested in our established branch locations, we achieve higher adjusted EBITDA margins on that capital
than we achieve on capital invested to establish a new branch, because our fixed costs are already in place in
connection with the established branches. The fixed costs are those associated with yard and delivery equipment, as
well as advertising, sales, marketing and office expenses. With a new branch or operational yard, we must first fund
and absorb the start-up costs for setting up the new location, hiring and developing the management and sales team
and developing our marketing and advertising programs. A new location will have lower adjusted EBITDA margins
in its early years until the branch increases the number of units it has on rent. Because this operating leverage
creates higher operating margins on incremental lease revenue, which we realize on a branch-by-branch basis when
the branch achieves leasing revenues sufficient to cover the branch’s fixed costs, leasing revenues in excess of the
break-even amount produce large increases in profitability. Conversely, absent growth in leasing revenues, the
adjusted EBITDA margin at a branch will be expected to remain relatively flat on a period-by-period comparative
basis if expenses remained the same or would decrease if fixed costs increased.

Because EBITDA, adjusted EBITDA, EBITDA margin and adjusted EBITDA margin are non-GAAP
financial measures, as defined by the SEC, we include in this Annual Report reconciliations of EBITDA to the
most directly comparable financial measures calculated and presented in accordance with GAAP. These
reconciliations are included in “Item 6. Selected Financial Data.”

Accounting and Operating Overview

Our leasing revenues include all rent and ancillary revenues we receive for our portable storage containers
and combination storage/office and mobile office units. Our sales revenues include sales of these units to
customers. Our other revenues consist principally of charges for the delivery of the units we sell. Our principal
operating expenses are: (i) cost of sales; (ii) leasing, selling and general expenses and (iii) depreciation and
amortization, primarily depreciation of the portable storage units and mobile offices in our lease fleet. Cost of
sales is the cost of the units that we sold during the reported period and includes both our cost to buy, transport,
remanufacture and modify used ocean-going containers and our cost to manufacture portable storage units and
other structures. Leasing, selling and general expenses include, among other expenses, payroll and payroll related
costs, advertising and other marketing expenses, real property lease expenses, commissions, repair and
maintenance costs of our lease fleet and transportation equipment, stock-based compensation expense and
corporate expenses for both our leasing and sales activities. Annual repair and maintenance expenses on our
leased units over the last three years have averaged approximately 2.9% of lease revenues and are included in
leasing, selling and general expenses. We expense our normal repair and maintenance costs as incurred
(including the cost of periodically repainting units).

35

Our principal asset is our lease fleet, which has historically maintained value close to its original cost. The
steel units in our lease fleet (other than van trailers) are depreciated on the straight-line method using an
estimated useful life of 30 years, after the date the unit is placed in service, with an estimated residual value of
55%. The depreciation policy is supported by our historical lease fleet data, which shows that we have been able
to obtain comparable rental rates and sales prices irrespective of the age of our container lease fleet. Our wood
mobile office units are depreciated over 20 years to 50% of original cost. Van trailers, which constitute a small
part of our fleet, are depreciated over 7 years to a 20% residual value. Van trailers, which are only added to the
fleet as a result of acquisitions of portable storage businesses, are of much lower quality than storage containers
and consequently depreciate more rapidly. We also have other non-core products that are added to our fleet as a
result of acquisitions that have various other measures of useful lives and residual values. See “Item 1.
Business — Product Lives and Durability.”

During the last five fiscal years, our annual utilization levels averaged 63.3% and ranged from a low of
53.4% in 2010 to a high of 79.6% in 2007. Average lease fleet utilization in 2011 increased 3.7 percentage points
to 57.1% from 53.4% for 2010. Historically, our average utilization has been somewhat seasonal with the low
normally being realized in the first quarter and the high realized in the fourth quarter of each year.

Results of Operations

The following table shows the percentage of total revenues represented by the key items that make up our

statements of income; certain amounts may not add due to rounding:

Year Ended December 31,

2007

2008

2009

2010

2011

Revenues:

Leasing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sales . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Other . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

89.4% 89.5% 89.1% 89.2% 87.5%
10.3
9.9
0.6
0.7

10.0
0.8

11.8
0.7

9.9
0.6

Total revenues . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

100.0

100.0

100.0

100.0

100.0

Costs and expenses:

Cost of sales . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Leasing, selling and general expenses . . . . . . . . . . . . .
Integration, merger and restructuring expenses . . . . . .
Goodwill impairment . . . . . . . . . . . . . . . . . . . . . . . . . .
Depreciation and amortization . . . . . . . . . . . . . . . . . . .

Total costs and expenses . . . . . . . . . . . . . . . . . . . . . . . . .

Income from operations . . . . . . . . . . . . . . . . . . . . . . . . . .
Other income (expense):

Interest income . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Interest expense . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Debt extinguishment/restructuring expense . . . . . . . . .
Deferred financing costs write-off . . . . . . . . . . . . . . . .
Foreign currency exchange . . . . . . . . . . . . . . . . . . . . .

Income before provision for income taxes . . . . . . . . . . . .
Provision for income taxes . . . . . . . . . . . . . . . . . . . . . . . .

6.8
52.5
—
—
6.6

65.9

34.1

—
(7.8)
(3.5)
—
—

22.8
8.9

6.8
51.1
5.9
3.3
7.6

74.7

25.3

—
(11.6)
—
—
—

13.7
6.7

6.9
51.5
3.0
—
10.5

71.9

28.1

—
(15.9)
—
—
—

12.2
4.8

6.6
54.2
1.2
—
10.8

72.8

27.2

—
(17.1)
(3.3)
(0.2)
—

6.6
2.5

7.4
55.8
0.4
—
9.8

73.4

26.6

—
(12.7)
(0.4)
—
—

13.5
4.8

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

13.9%

7.0%

7.4%

4.1%

8.7%

36

Twelve Months Ended December 31, 2011, Compared to Twelve Months Ended December 31, 2010

Total revenues in 2011 increased $33.6 million, or 10.2%, to $364.4 million from $330.8 million in 2010.
Leasing, our primary revenue focus, accounted for approximately 87.5% of total revenues during 2011. Leasing
revenues in 2011 increased $23.9 million, or 8.1%, to $318.9 million from $295.0 million in 2010. This increase
in leasing revenues is due to an increase in the number of deliveries and units on rent. Yield increased 5.6% over
the prior year and was driven by higher trucking and ancillary revenues, and also included an increase in the
average annual rental rate of 0.8%. The average quarterly rental rates in 2011 showed sequential improvement
compared to the prior year and were (0.1%), 0.1%, 1.2% and 2.2% for the first, second, third and fourth quarters,
respectively. In 2011, both leasing and sales revenues increased primarily as the result of an improving economic
environment. Leasing revenues increased in 2011, over the same period in the prior year, by 3.6%, 7.6%, 9.3%
and 11.5% for the first, second, third and fourth quarters, respectively. Revenues from the sale of units increased
$9.6 million, or 29.2%, to $42.8 million in 2011 from $33.2 million in 2010. The increase in sales revenues
reflects higher average selling prices as well as an increase in the sale of custom units. Other revenues are
primarily related to transportation charges for the delivery of units sold and the sale of ancillary products and
represented 0.7% and 0.8% of total revenues in 2011 and 2010, respectively.

Cost of sales relate to the sale of units sold and as a percentage of sales revenue decreased to 63.2% in 2011
from 66.3% in 2010. Due to a stronger business climate and shortage of ISO containers in the ports, we sold units
at higher average selling prices, compared to 2010. As a result, gross profit margins increased to 36.8%,
compared to 33.7% in 2010.

Leasing, selling and general expenses increased $24.1 million, or 13.5%, to $203.2 million in 2011 from
$179.1 million in 2010. Leasing, selling and general expenses, as a percentage of total revenues, were 55.7% and
54.2% in 2011 and 2010, respectively. This increase is primarily due to variable costs associated with an
increased level of business activity. The major increases in leasing, selling and general expenses for 2011 were:
(i) delivery and freight costs increased $8.2 million due to an increase in delivery activity of units and the
relocation of fleet units to higher growth markets, including the deployment of units to our twelve new locations
in 2011, (ii) payroll and related payroll costs increased by $7.7 million primarily due to additional yard
personnel, drivers and sales commissions due to increased deliveries and the cost of fully staffing the NSC as
well as strategic hires in sales and new market locations and (iii) repairs and maintenance expenses of our lease
fleet and delivery equipment increased $4.8 million as a result of an increase in delivery activity in both our core
business and holiday rental business. Fixed costs for building and land leases for the our locations, including real
property taxes, increased $1.7 million primarily due to contractual rate increases, new greenfield locations and
property tax increases.

Integration, merger and restructuring expenses for 2011 were $1.4 million, compared to $4.0 million in

2010. These costs primarily represent costs associated with reductions to our workforce.

Adjusted EBITDA increased $6.2 million, or 4.8%, to $136.1 million, compared to $129.9 million for the
same period in 2010, and adjusted EBITDA margins were 37.4% and 39.3% of total revenues for 2011 and 2010,
respectively.

Depreciation and amortization expenses remained the same at $35.7 million for both 2011 and 2010. Our
depreciation expense relates to property, plant and equipment, primarily trucks, forklifts and trailers to support
the lease fleet, the customized ERP, CRM and other systems to enhance our reporting environment together with
our lease fleet depreciation expense. Depreciation expense for 2011 increased $1.1 million and was offset by a
decrease in amortization of intangible assets.

Interest expense decreased $10.1 million, or 17.9%, to $46.3 million in 2011 from $56.4 million in 2010.
The decrease in interest expense is attributable to a decrease in our lower average debt outstanding in 2011,

37

compared to 2010, principally due to the use of operating cash flow to reduce our debt over the past year. Our
average annual debt outstanding decreased $62.5 million, or 7.8%, compared to the same period last year.
Additionally, we redeemed $22.3 million of our 9.75% senior notes in the first quarter of 2011, and, in 2010, we
replaced $176.6 million of the 9.75% senior notes with $200.0 million 7.875% senior notes. The monthly
weighted average interest rate on our debt was 5.7% for 2011, compared to 6.5% for 2010, excluding the
amortizations of debt issuance and other costs. Taking into account the amortizations of debt issuance and other
costs, the monthly weighted average interest rate was 6.3% in 2011 and 7.1% in 2010.

Debt restructuring expense was $1.3 million and $11.0 million in 2011 and 2010, respectively. This expense
relates to the redemption of $22.3 million and $176.6 million in 2011 and 2010, respectively, of our 9.75% senior
notes and represents the early tender offer and related consent premiums and the write-off of remaining
unamortized acquisition date discount related to the notes redeemed.

Deferred financing costs write-off in 2010 of $0.5 million represents that portion of deferred financing costs

associated with our $50.0 million elected reduction in our Prior Credit Agreement.

Provision for income taxes had an annual effective tax rate of 35.5% for 2011, compared to 38.5% for 2010.
In July 2011, the U.K’s government finalized a reduction of the corporate tax rate. This change reduced our
deferred tax liability in the U.K. by approximately $1.0 million in 2011. Our 2011 consolidated tax provision
includes the enacted tax rates for our operations in the U.S., Canada, the U.K. and The Netherlands.

Net income in 2011 increased 135.9% to $31.9 million, compared to $13.5 million in 2010. Net income in
2011 includes $1.0 million for the U.K.’s reduction in the corporate tax rate discussed above. Net income in 2011
and 2010 was also negatively impacted by $1.3 million and $11.5 million (approximately $0.8 million and $7.1
million after tax), respectively, related to debt restructuring expense discussed above. Net income results also
include integration, merger and restructuring expenses of $1.4 million and $4.0 million (approximately $0.9
million and $2.5 million after tax) for 2011 and 2010, respectively.

At December 31, 2011, we had a federal net operating loss carryforward of approximately $324.7 million,
which expires if unused from 2012 to 2031. In addition, we had net operating loss carryforwards in the various
states in which we operate. We believe, based on internal projections, that we will generate sufficient taxable
income needed to realize the corresponding federal and state deferred tax assets to the extent they are recorded as
deferred tax assets in our balance sheet.

Twelve Months Ended December 31, 2010, Compared to Twelve Months Ended December 31, 2009

Total revenues in 2010 decreased $43.7 million, or 11.7%, to $330.8 million from $374.5 million in 2009.
Leasing, our primary revenue focus, accounted for approximately 89.2% of total revenues during 2010. Leasing
revenues in 2010 decreased $38.5 million, or 11.5%, to $295.0 million from $333.5 million in 2009. This
decrease in leasing revenues resulted from a 14.4% decrease in the average number of units on lease, partially
offset by a 3.4% increase in yield. Yield was primarily driven by higher trucking and ancillary revenues, while
the average rental rate per unit remained virtually unchanged. In 2010, the decline in both leasing and sales
revenues was primarily the result of a reduction in business activity, including non-residential construction
activity, due to the weakness in the global economy. Our leasing revenue decline in 2010 improved sequentially
over the same period in the prior year and was 21.6%, 13.6%, 7.9% and 1.5% for the first, second, third and
fourth quarters, respectively, as the year over year decline in our business leveled off by the time the year ended.
Our revenues from the sale of units decreased $5.4 million, or 14.1%,
to $33.2 million in 2010 from
$38.6 million in 2009. Other revenues are primarily related to transportation charges for the delivery of units sold
and the sale of ancillary products and represented 0.8% and 0.6% of total revenues in 2010 and 2009,
respectively.

38

Cost of sales relate to the sale of units sold and as a percentage of sales revenue decreased slightly to 66.3%

in 2010, compared to 66.8% in 2009. The gross profit margin on sales improved 0.5% in 2010 over 2009 levels.

Leasing, selling and general expenses decreased $13.8 million, or 7.1%, to $179.1 million in 2010 from
$192.9 million in 2009. Leasing, selling and general expenses, as a percentage of total revenues, were 54.2% and
51.5% in 2010 and 2009, respectively. This slight increase as a percentage of revenues is due to our fixed costs in
a declining revenue environment and was partially offset by variable cost saving reductions achieved by the cost
cutting measures we implemented in response to the reduced revenue levels, primarily payroll related reductions
and migrating a number of our branches to operational yards. These operational yards do not have all the
personnel and overhead expenses associated with a fully staffed branch. The major decreases in leasing, selling
and general expenses for 2010 were: (i) payroll and related payroll costs, which decreased by $9.2 million
primarily due to reductions in our workforce and the decrease in commission expense resulting from the lower
revenues levels; (ii) insurance expense, which decreased $3.6 million due to improved safety programs and
general reductions in premiums and (iii) advertising costs, which decreased $2.0 million as we moved further
away from printed advertising campaigns. Delivery and freight costs, including fuel, increased $4.1 million and
were related to an increase in pick-up and delivery activity of units. Repairs and maintenance expenses increased
$2.2 million and include the costs of repairing and maintaining our lease fleet as well as our delivery equipment,
primarily our trucks, trailers and forklifts. Fixed costs for building and land leases for our locations, including
real property taxes, increased $1.1 million, primarily due to contractual rate increases, lease renewals, additional
acreage, new greenfield locations, and property tax increases.

Integration, merger and restructuring expenses for 2010 were $4.0 million, compared to $11.3 million in

2009. These costs primarily represent costs related to reductions in our workforce.

Adjusted EBITDA decreased $26.7 million, or 17.0%, to $129.9 million, compared to $156.6 million for the
same period in 2009 and adjusted EBITDA margins were 39.3% and 41.8% of total revenues for 2010 and 2009,
respectively. The decrease is due to a decline in revenues, which were partially offset by our cost cutting
measures.

Depreciation and amortization expenses decreased $3.4 million, or 8.7%, to $35.7 million in 2010 from
$39.1 million in 2009. The lower depreciation and amortization expense is primarily due to: (i) reduced
amortization expense of intangible assets; (ii) customer relationships that are amortized on an accelerated basis
and (iii) reduced depreciation expense related to property plant and equipment, primarily due to lower levels of
that equipment. Depreciation expense includes the related depreciation on the additions to property, plant and
equipment, primarily trucks, forklifts and trailers, to support the lease fleet, and the customized ERP, CRM and
other software systems to enhance our reporting environment. It also includes wood modular offices which have
a higher depreciation rate than our steel units. Depreciation and amortization expense also includes the
amortization of customer relationships and trade name valuation that were associated with the Merger.

Interest expense decreased $3.1 million, or 5.2%, to $56.4 million in 2010 from $59.5 million in 2009. The
decrease in interest expense is attributable to a decrease in our lower average debt outstanding in 2010, compared
to 2009, principally due to the use of operating cash flow to reduce our debt over the past year. Our average
annual debt outstanding decreased $85.7 million, or 9.7%, compared to the same period last year. Additionally,
we redeemed $6.0 million of our 9.75% senior notes in the first quarter of 2010 and replaced $171.6 million of
the 9.75% senior notes with 7.875% senior notes in the fourth quarter of 2010. Although we continue to reduce
outstanding debt, the shift between our floating rate debt and our higher fixed interest rate debt has caused a
slight increase in our weighted average interest rates, compared to the same period for 2009. The monthly
weighted average interest rate on our debt was 6.5% for 2010, compared to 6.2% for 2009, excluding the
amortizations of debt issuance and other costs. Taking into account the amortizations of debt issuance and other
costs, the monthly weighted average interest rate was 7.1% in 2010 and 6.8% in 2009.

39

Debt restructuring expense in 2010 of $11.0 million relates to the redemption of $170.6 million of our
9.75% senior notes and represents the early tender offer and related consent premiums and the write-off of
remaining unamortized acquisition date discount related to the notes redeemed.

Deferred financing costs write-off in 2010 of $0.5 million represents that portion of deferred financing costs

associated with our $50.0 million elected reduction in our Prior Credit Agreement.

Provision for income taxes had an annual effective tax rate of 38.5% for 2010, compared to an annual
effective tax rate of 39.4% for 2009. The 0.9% decrease is primarily due to a reduction in the U.K. corporate tax
rate as well as the continued strengthening of our U.K. operations and their corresponding increased contribution
to the consolidated net income. Our 2010 consolidated tax provision is based upon the enacted tax rates for our
operations in the U.S., Canada, the U.K. and The Netherlands. At December 31, 2010, we had a federal net
operating loss carryforward of approximately $301.6 million, which expires if unused from 2012 to 2030. In
addition, we had net operating loss carryforwards in the various states in which we operate. We believe, based on
internal projections, that we will generate sufficient taxable income needed to realize the corresponding federal
and state deferred tax assets to the extent they are recorded as deferred tax assets in our balance sheet.

Net income in 2010 was $13.5 million, compared to $27.8 million in 2009. The 2010 year was negatively
affected by expenses of $11.5 million ($7.1 million after tax), related to the redemption of the MSG Notes and
the reduction in the Prior Credit Agreement, both discussed above. In addition, the 2010 year was negatively
affected by expenses of $4.0 million ($2.5 million after tax), related to integration, merger and restructuring. The
2009 year was negatively affected by expenses of $11.3 million ($7.0 million after tax), related to integration,
merger and restructuring.

Liquidity and Capital Resources

Liquidity Summary

Leasing is a capital-intensive business that requires us to acquire assets before they generate revenues, cash
flow and earnings. The assets which we lease have very long useful lives and require relatively little recurring
maintenance expenditures. Most of the capital we deploy into our leasing business historically has been used to
expand our operations geographically, to increase the number of units available for lease at our leasing locations,
and to add to the mix of products we offer. During recent years, our operations have generated annual cash flow
that exceeds our pre-tax earnings, particularly due to our cash flow from operations and the deferral of income
taxes caused by accelerated depreciation of our fixed assets in our tax return filings. For the past four years, we
were cash flow positive (after capital expenditures but excluding the Merger).

During the past three years, our capital expenditures and acquisitions have been funded from our operating
cash flow. Our operating cash flow is generally weakest during the first quarter of each fiscal year, when
customers who leased containers for holiday storage return the units and as a result of seasonal weather in some
of our markets. During 2009, 2010 and 2011, we significantly reduced our capital expenditures and were able to
fund capital expenditures with cash flow from operations. We expect this trend to continue in 2012. In addition to
cash flow generated by operations, our principal current source of liquidity is our Credit Agreement described
below.

Revolving Credit Facility. On February 22, 2012, we entered into the new $900.0 million Credit
Agreement with Deutsche Bank AG New York Branch and other lenders party thereto. The new Credit
Agreement refinanced our $850.0 million Prior Credit Agreement. All amounts outstanding under the new Credit
Agreement are due on February 22, 2017. The obligations of us and our subsidiary guarantors under both the
Credit Agreement and the Prior Credit Agreement are secured by a blanket lien on substantially all of our assets.
At December 31, 2011, we had approximately $345.1 million of borrowings outstanding and $454.9 million of
additional borrowing availability under the Prior Credit Agreement, based upon borrowing base calculations as of

40

such date. We were in compliance with the terms of the Prior Credit Agreement as of December 31, 2011 and
were above the minimum borrowing availability threshold and therefore not subject to any financial maintenance
covenants.

Amounts borrowed, under both agreements, and repaid or prepaid during the term may be reborrowed.
Outstanding amounts under the Prior Credit Agreement bore interest at our option at either, (i) LIBOR plus a
defined margin, or (ii) the Agent bank’s prime rate plus a margin. The applicable margins for each type of loan
ranged from 2.25% to 2.75% for LIBOR loans and 0.75% to 1.25% for base rate loans depending upon our debt
ratio at each measurement date. Under the new Credit Agreement, the applicable margins for each type of loan
will be 2.25% for LIBOR loans and 1.25% for base rate loans for six months after February 22, 2012 and
thereafter will be based on an availability-based pricing grid and will range from 1.75% to 2.25% for LIBOR
loans and 0.75% to 1.25% for base rate loans at each measurement date.

Availability of borrowings under the Credit Agreement is subject to a borrowing base calculation based
upon a valuation of our eligible accounts receivable, eligible container fleet (including containers held for sale,
work-in-process and raw materials) and machinery and equipment, each multiplied by an applicable advance rate
or limit. The lease fleet is appraised at least once annually by a third-party appraisal firm and up to 90% of the
net orderly liquidation value, as defined, is included in the borrowing base to determine how much we may
borrow under this new facility.

The Credit Agreement provides for U.K. borrowings, which are, at our option, denominated in either
Pounds Sterling or Euros, by our U.K. subsidiary based upon a U.K. borrowing base, Canadian borrowings,
which are denominated in Canadian dollars, by our Canadian subsidiary based upon a Canadian borrowing base,
and U.S. borrowings, which are denominated in U.S. dollars, by Mobile Mini based upon a U.S. borrowing base
along with any Canadian assets not included in the Canadian subsidiary.

The Credit Agreement also contains customary negative covenants, including covenants that restrict our
ability to, among other things, (i) allow certain liens to attach to the Company or its subsidiary assets;
(ii) repurchase or pay dividends or make certain other restricted payments on capital stock and certain other
securities, prepay certain indebtedness or make acquisitions or other investments subject
to “Payment
Conditions”; and (iii) incur additional indebtedness or engage in certain other types of financing transactions.
Payment Conditions (as defined in the Credit Agreement) allow restricted payments and acquisitions to occur
without financial covenants as long as we have $225.0 million of pro forma excess borrowing availability under
the Credit Agreement. We also must comply with specified financial maintenance covenants and affirmative
covenants. Only if we fall below $90.0 million of borrowing availability levels are the financial maintenance
covenants applicable.

We believe our cash provided by operating activities will provide for our normal capital needs for the next
12 months. If not, we have sufficient borrowings available under our Credit Agreement to meet any additional
funding requirements. We monitor the financial strength of our lenders on an ongoing basis using publicly-
available information. Based upon that information, we do not presently think that there is a likelihood that any
of our lenders might not be able to honor its commitments under the Credit Agreement.

Senior Notes. At December 31, 2011, we had two series of outstanding senior notes: (i) $150.0 million
aggregate principal amount of 6.875% senior notes due 2015 (the “2015 Notes”) and (ii) $200.0 million
aggregate principal amount of 7.875% senior notes due 2020 (the “2020 Notes” and together with the 2015
Notes, the “Mobile Mini Notes”).

We issued the 2020 Notes in November 2010 at an initial offering price of 100% of their face value. The net
proceeds from the sale of the 2020 Notes were used to redeem approximately $170.6 million of the 9.750%
senior notes originally issued by MSG due 2014 (the “MSG Notes” and together with the Mobile Mini Notes, the

41

“Senior Notes”), to pay the redemption and tender offer premium (approximately $8.9 million) and accrued
interest (approximately $5.2 million) on the MSG Notes, and to pay fees and expenses related to the offering. We
used the remaining net proceeds of approximately $10.4 million to repay borrowings under the Prior Credit
Agreement. The remaining $22.3 million aggregate principal amount of outstanding MSG Notes at December 31,
2010 was fully redeemed in January 2011 and is no longer outstanding.

The Senior Notes include covenants, indemnities and events of default that are customary for indentures of
this type, including restrictions on the incurrence of additional debt, sales of assets and payment of dividends. We
were in compliance with the covenants of the Senior Notes as of December 31, 2011.

Operating Activities. Net cash provided by operating activities was $85.0 million in 2011, compared to
$60.8 million in 2010 and $86.8 million in 2009. The $24.2 million increase in cash provided by operating
activities in 2011 over 2010 was primarily attributable to an increase in net income, after giving effect to
non-cash items, and to a lesser extent, reduction in accounts payable and accrued liabilities in 2011 compared to
the prior year. The decrease in cash provided by operating activities in 2010 over 2009 was primarily attributable
to a decrease in net income, after giving effect to non-cash items and a decrease in working capital. In 2010,
working capital was primarily affected by a decrease in accrued liabilities. This decrease reflects the continued
reduction in certain liabilities associated with the Merger and the interest payment in connection with the
$170.6 million redemption of the MSG Notes. In 2009, there were decreases in receivables, inventories and
deposits and prepaid expenses, which were partially offset by decreases in accounts payable and accrued
liabilities. These decreases were primarily due to the weakened economy, our restructured manufacturing
operations and reduction of certain liabilities associated with the Merger. Cash provided by operating activities is
enhanced by the deferral of most income taxes due to the rapid tax depreciation rate of our assets and our federal
and state net operating loss carryforwards. At December 31, 2011, we had a federal net operating loss
carryforward of approximately $324.7 million and a net deferred tax liability of $183.6 million.

Investing Activities. Net cash used in investing activities was $12.8 million in 2011, compared to cash
provided of $5.4 million and $3.0 million in 2010 and 2009, respectively. In 2011, we acquired businesses for
cash payments of $7.8 million. We did not have any acquisitions in either 2010 or 2009. Capital expenditures for
our lease fleet, net of proceeds from sale of lease fleet units, provided net cash proceeds of $6.4 million in 2011,
compared to $13.8 million and $12.0 million in 2010 and 2009, respectively. Our capital expenditures for our
lease fleet increased in 2011 as we acquired and remanufactured more units with the increased level of our
leasing activity and prepared units for lease at the 13 new locations. Capital expenditures for our lease fleet
decreased in 2010 compared to 2009 as we required fewer units to be manufactured or remanufactured from prior
acquisitions due to the then economic slowdown. Proceeds from sale of lease fleet units increased 25.4%,
compared to 2010, and decreased 13.8% in 2010, compared to 2009. Additions to the lease fleet primarily
included remanufacturing of prior acquisition units and manufactured steel offices. During the past several years,
we have increased the customization of our fleet, enabling us to differentiate our products from our competitors’
products, and we have complimented our lease fleet by adding wood mobile offices. With the current economic
conditions, we anticipate our near term investing activities will be primarily focused on remanufacturing units
acquired in prior acquisitions to meet our lease fleet standards as these units are placed on-rent, including
supplying new locations with inventory to meet their demand. Capital expenditures for property, plant and
equipment, net of proceeds from any sale of property, plant and equipment, were $11.4 million in 2011,
$8.4 million in 2010 and $9.0 million in 2009. Expenditures for property, plant and equipment in 2011 were
primarily for delivery equipment, technology and communication improvements and improvements to our branch
locations. The amount of cash that we use during any period in investing activities is almost entirely within
management’s discretion. We have no contracts or other arrangements pursuant to which we are required to
purchase a fixed or minimum amount of goods or services in connection with any portion of our business.
Maintenance capital expenditures is the cost to replace old forklifts, trucks and trailers that we use to move and
deliver our products to our customers, and for enhancements to our computer information and communication
systems. Our maintenance capital expenditures were approximately $3.5 million in 2011, $2.2 million in 2010
and $0.1 million in 2009.

42

Financing Activities. Net cash used in financing activities was $71.1 million in 2011, compared to
$67.7 million in 2010 and $83.0 million in 2009. In 2011 we reduced our net borrowings under our Prior Credit
Agreement by $51.7 million in addition to redeeming $22.3 million principal amount of MSG Notes and also
reduced other net debt obligations by $1.3 million. In connection with the redemption of the MSG Notes we
incurred approximately $1.1 million in tender premiums. In November 2010, we received approximately
$195.1 million in net proceeds from the issuance of the 2020 Notes, which we used to redeem $170.6 million in
principal amount of MSG Notes. In conjunction with the redemption of the MSG Notes, we incurred
approximately $8.9 million in tender and consent premiums. Earlier in 2010, we redeemed $6.0 million of the
MSG Notes. In 2010, we reduced our net borrowings under our Prior Credit Agreement by $76.8 million in
addition to reducing other net debt obligations by $2.3 million. In 2009, we reduced our net borrowings under our
Prior Credit Agreement by $80.9 million and other net debt obligations of $1.7 million in addition to redeeming
$1.1 million principal amount of MSG Notes. We received $5.3 million, $1.7 million and $0.3 million from the
exercises of employee stock options and the related tax benefits in 2011, 2010 and 2009, respectively. As of
December 31, 2011, we had $345.1 million of borrowings outstanding under our Prior Credit Agreement, and
approximately $454.9 million of additional borrowings were available to us under such agreement.

Hedging Activities.

Interest rate swap agreements are the only instruments that we have used to manage
our interest rate fluctuations affecting our variable rate debt. We historically have entered into interest rate swap
agreements that effectively fixed the interest rate so that the rate is payable based upon a spread from fixed rates,
rather than a spread from the LIBOR rate. At December 31, 2011, we did not have any outstanding interest rate
swap agreements.

Contractual Obligations and Commitments

Our contractual obligations primarily consist of our outstanding balance under our Prior Credit Agreement
and $350.0 million of Senior Notes, together with other primarily unsecured notes payable obligations, and
obligations under capital leases. We also have operating lease commitments for: (i) real estate properties for the
majority of our branches with remaining lease terms typically ranging from 1 to 15 years; (ii) delivery,
transportation and yard equipment, typically under a five-year lease with purchase options at the end of the lease
term at a stated or fair market value price and (iii) office related equipment.

At December 31, 2011, primarily in connection with the issuance of our insurance policies, we provided

certain insurance carriers and others with approximately $7.9 million in letters of credit.

We currently do not have any obligations under purchase agreements or commitments. We enter into
operating and capital lease obligations from time to time. At December 31, 2011, we had $1.3 million in capital
lease obligations.

43

The table below provides a summary of our contractual commitments as of December 31, 2011. The
operating lease amounts include certain real estate leases that expire in 2012, but have lease renewal options that
we currently anticipate to exercise in 2012 at the end of the initial lease period.

Revolving credit facility . . . . . . . . . . .
Scheduled interest payment

obligations under our Prior Credit
Agreement(1) . . . . . . . . . . . . . . . . .
Senior Notes . . . . . . . . . . . . . . . . . . . .
Scheduled interest payment

obligations under our Senior
Notes(2)

. . . . . . . . . . . . . . . . . . . . .
Notes Payable . . . . . . . . . . . . . . . . . . .
Scheduled interest payment

obligations under our Notes
Payable(2) . . . . . . . . . . . . . . . . . . . .
Obligations under capital leases . . . . .
Scheduled interest payment

obligations under our capital
leases(3) . . . . . . . . . . . . . . . . . . . . .
Operating leases(4) . . . . . . . . . . . . . . .

Payments Due by Period

Total

Less Than
1 Year

1-3 Years

3-5 Years

(In thousands)

More Than
5 Years

$345,149

$ — $345,149

$

— $

—

14,345
350,000

10,642
—

3,703
—

—
150,000

—
200,000

177,845
316

26,063
316

52,126
—

36,656
—

63,000
—

3
1,289

3
847

—
289

—
153

—
—

97
53,496

65
15,687

25
22,024

7
10,852

—
4,933

Total contractual obligations . . . . . . .

$942,540

$53,623

$423,316

$197,668

$267,933

(1) Scheduled interest rate obligations under our Prior Credit Agreement, which is subject to a variable rate of
interest, were calculated using our weighted average rate of 3.1% at December 31, 2011. The Prior Credit
Agreement was replaced on February 22, 2012 with the new Credit Agreement.

(2) Scheduled interest rate obligations under our Senior Notes and other long-term debt were calculated using

stated rates.

(3) Scheduled interest rate obligations under capital leases were calculated using imputed rates ranging from

5.7% to 8.0%.

(4) Operating lease obligations include operating commitments and restructuring related commitments and are
net of sub-lease income. For further discussion see Note 12 to our Consolidated Financial Statements.

Off-Balance Sheet Transactions

We do not maintain any off-balance sheet transactions, arrangements, obligations or other relationships with
unconsolidated entities or others that are reasonably likely to have a material current or future effect on our
financial condition, changes in financial condition, revenues or expenses, results of operations, liquidity, capital
expenditures or capital resources.

Seasonality

Demand from some of our customers is somewhat seasonal. Demand for leases of our portable storage units
by large retailers is stronger from September through December because these retailers need to store more
inventories for the holiday season. These retailers usually return these leased units to us in December and early in
the following year. This seasonality has historically caused lower utilization rates for our lease fleet and a
marginal decrease in our operating cash flow during the first quarter of each year.

44

Critical Accounting Policies, Estimates and Judgments

Our significant accounting policies are disclosed in Note 1 to our Consolidated Financial Statements. The
following discussion addresses our most critical accounting policies, some of which require significant judgment.

Our consolidated financial statements have been prepared in accordance with GAAP. The preparation of
these consolidated financial statements requires us to make estimates and assumptions that affect the reported
amounts of assets,
liabilities, revenues and expenses during the reporting period. These estimates and
assumptions are based upon our evaluation of historical results and anticipated future events, and these estimates
may change as additional information becomes available. The SEC defines critical accounting policies as those
that are, in management’s view, most important to our financial condition and results of operations and those that
require significant judgments and estimates. Management believes that our most critical accounting policies
relate to:

Revenue Recognition. Lease and leasing ancillary revenues and related expenses generated under portable
storage containers and mobile office units are recognized on a straight-line basis. Delivery and hauling revenues
and expenses from our portable storage containers and mobile office units are recognized when these services are
earned. We recognize revenues from sales of containers and mobile office units upon delivery when the risk of
loss passes, the price is fixed and determinable and collectability is reasonably assured. We sell our products
pursuant to sales contracts stating the fixed sales price with our customers.

Share-Based Compensation. We account for the share-based compensation using the modified prospective
method and recognize the fair-value of share-based compensation transactions in the consolidated statements of
income. The fair value of our share-based awards is estimated at the date of grant using the Black-Scholes option
pricing model. The Black-Scholes valuation calculation requires us to estimate key assumptions such as future
stock price volatility, expected terms, risk-free rates and dividend yield. Expected stock price volatility is based
on the historical volatility of our stock. We use historical data to estimate option exercises and employee
terminations within the valuation model. The expected term of options granted is derived from an analysis of
historical exercises and remaining contractual life of stock options, and represents the period of time that options
granted are expected to be outstanding. The risk-free interest rate is based on the U.S. Treasury yield in effect at
the time of grant. We historically have not paid cash dividends, and do not currently intend to pay cash
dividends, and thus have assumed a 0% dividend rate. If our actual experience differs significantly from the
assumptions used to compute our share-based compensation cost, or if different assumptions had been used, we
may have recorded too much or too little share-based compensation cost. In the past, we have issued stock
options and restricted stock, which we also refer to as nonvested share-awards. For stock options and nonvested
share-awards subject solely to service conditions, we recognize expense using the straight-line method. For
nonvested share-awards subject to service and performance conditions, we are required to assess the probability
that such performance conditions will be met. In 2010, the share-based compensation expense was reduced by
$0.4 million to reflect anticipated shortfalls related to nonvested share-awards with vesting subject
to
performance conditions. If the likelihood of the performance condition being met is deemed probable, we will
recognize the expense using the accelerated attribution method. In addition, for both stock options and nonvested
share-awards, we are required to estimate the expected forfeiture rate of our stock grants and only recognize the
expense for those shares expected to vest. If the actual forfeiture rate is materially different from our estimate,
our share-based compensation expense could be materially different. We had approximately $4.0 million of total
unrecognized compensation costs related to stock options at December 31, 2011 that are expected to be
recognized over a weighted-average period of 3.1 years and $17.2 million of total unrecognized compensation
costs related to nonvested share-awards at December 31, 2011 that are expected to be recognized over a
weighted-average period of 3.1 years. See Note 10 to the Consolidated Financial Statements for a further
discussion on share-based compensation.

Allowance for Doubtful Accounts. We maintain allowances for doubtful accounts for estimated losses
resulting from the inability of our customers to make required payments. We establish and maintain reserves

45

against estimated losses based upon historical loss experience and evaluation of past due accounts receivables.
Management reviews the level of the allowances for doubtful accounts on a regular basis and adjusts the level of
the allowances as needed. If we were to increase the factors used for our reserve estimates by 25%, it would have
the following approximate effect on our net income and diluted EPS as follows:

As reported:
Net income . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Diluted EPS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
As adjusted for change in estimates:
Net income . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Diluted EPS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Years Ended
December 31,

2010

2011

(In thousands except
per share data)

$13,509
0.31
$

$31,864
0.71
$

$13,219
0.30
$

$31,436
0.71
$

If the financial condition of our customers were to deteriorate, resulting in an impairment of their ability to

make payments, additional allowances may be required.

Impairment of Goodwill. We assess the impairment of goodwill and other identifiable intangibles on an
annual basis or whenever events or changes in circumstances indicate that the carrying value may not be
recoverable. Some factors we consider important which could trigger an impairment review include the
following:

• significant under-performance relative to historical, expected or projected future operating results;

• significant changes in the manner of our use of the acquired assets or the strategy for our overall business;

• our market capitalization relative to net book value; and

• significant negative industry or general economic trends.

We operate in two reportable segments, which is comprised of three operating segments that also represent
our reporting units (North America, the U.K. and The Netherlands). All of our goodwill was allocated between
these three reporting units. At December 31, 2011, only North America and the U.K. have goodwill subject to
impairment testing. We perform an annual impairment test on goodwill at December 31. In addition, we perform
impairment tests during any reporting period in which events or changes in circumstances indicate that an
impairment may have incurred.

In assessing the fair value of the reporting units, we consider both the market approach and the income
approach. Under the market approach, the fair value of the reporting unit is based on quoted market prices of
companies comparable to the reporting unit being valued. Under the income approach, the fair value of the
reporting unit is based on the present value of estimated cash flows. The income approach is dependent on a
number of significant management assumptions, including estimated future revenue growth rates, gross margins
on sales, operating margins, capital expenditures, tax payments and discount rates. Each approach is given equal
weight in arriving at the fair value of the reporting unit. As of December 31, 2011, management assessed
qualitative factors and determined it is more likely than not each of our two remaining reporting units assigned
goodwill had estimated fair values greater than the respective reporting unit’s individual net asset carrying
values; therefore, the two step impairment test was not required.

Impairment of Long-Lived Assets. We review property, plant and equipment and intangibles with finite
lives (those assets resulting from acquisitions) for impairment when events or circumstances indicate these assets
might be impaired. We test impairment using historical cash flows and other relevant facts and circumstances as
the primary basis for our estimates of future cash flows. This process requires the use of estimates and

46

assumptions, which are subject to a high degree of judgment. If these assumptions change in the future, whether
due to new information or other factors, we may be required to record impairment charges for these assets. There
were no indicators of impairment at December 31, 2010 and 2011.

Depreciation Policy. Our depreciation policy for our lease fleet uses the straight-line method over the
estimated useful life of our units, after the date that we put the unit in service. Our steel units are depreciated over
30 years with an estimated residual value of 55%. Wood offices units are depreciated over 20 years with an
estimated residual value of 50%. Van trailers, which are a small part of our fleet, are depreciated over
seven years to an estimated 20% residual value. We have other non-core products that have various other
measures of useful lives and residual values. Van trailers and other non-core products are only added to the fleet
as a result of acquisitions of portable storage businesses.

We periodically review our depreciation policy against various factors, including the results of our lenders’
independent appraisal of our lease fleet, practices of the competitors in our industry, profit margins we achieve
on sales of depreciated units and lease rates we obtain on older units. If we were to change our depreciation
policy on our steel units from a 55% residual value and a 30-year life to a lower or higher residual value and a
shorter or longer useful life, such change could have a positive, negative or neutral effect on our earnings, with
the actual effect determined by the change. For example, a change in our estimates used in our residual values
and useful life would have the following approximate effect on our net income and diluted EPS as reflected in the
table below.

As Reported: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Net income . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Diluted EPS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
As adjusted for change in estimates:
. . . . . . . . . . . . . . . . . .
Net income . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Diluted EPS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
As adjusted for change in estimates:
. . . . . . . . . . . . . . . . . .
Net income . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Diluted EPS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
As adjusted for change in estimates:
. . . . . . . . . . . . . . . . . .
Net income . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Diluted EPS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . .
As adjusted for change in estimates:
Net income . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Diluted EPS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
As adjusted for change in estimates:
. . . . . . . . . . . . . . . . . .
Net income . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Diluted EPS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
As adjusted for change in estimates:
. . . . . . . . . . . . . . . . . .
Net income . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Diluted EPS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Residual
Value

Useful
Life in
Years

2010

2011

(In thousands except per share data)

55%

30

70%

20

62.5%

25

50%

20

40%

40

30%

25

25%

25

$13,509
0.31
$

$31,864
0.71
$

$13,509
0.31
$

$31,864
0.71
$

$13,509
0.31
$

$31,864
0.71
$

$ 7,803
0.18
$

$25,881
0.58
$

$13,509
0.31
$

$31,864
0.71
$

$ 6,091
0.14
$

$24,086
0.54
$

$ 4,949
0.11
$

$22,890
0.51
$

Insurance Reserves. Our worker’s compensation, auto and general liability insurance are purchased under
large deductible programs. Our current per incident deductibles are: worker’s compensation $250,000, auto
$500,000 and general liability $100,000. We provide for the estimated expense relating to the deductible portion
of the individual claims. However, we generally do not know the full amount of our exposure to a deductible in
connection with any particular claim during the fiscal period in which the claim is incurred and for which we

47

must make an accrual for the deductible expense. We make these accruals based on a combination of the claims
development experience of our staff and our insurance companies. At year end, the accrual is reviewed and
adjusted, in part, based on an independent actuarial review of historical loss data and using certain actuarial
assumptions followed in the insurance industry. A high degree of judgment is required in developing these
estimates of amounts to be accrued, as well as in connection with the underlying assumptions. In addition, our
assumptions will change as our loss experience is developed. All of these factors have the potential for
significantly impacting the amounts we have previously reserved in respect of anticipated deductible expenses,
and we may be required in the future to increase or decrease amounts previously accrued.

Our North America health benefits programs are considered to be self-insured products; however, we buy
excess insurance coverage that
insured basis.
Additionally, our medical program has a limitation on our total aggregate claim exposure and we accrue and
reserve to the total projected losses. Our Canadian and European employees are primarily provided medical
coverage through their governmental national insurance programs.

liability exposure on a per individual

limits our medical

Contingencies. We are a party to various claims and litigation in the normal course of business.
Management’s current estimated range of liability related to various claims and pending litigation is based on
claims for which our management can determine that it is probable that a liability has been incurred and the
amount of loss can be reasonably estimated. Because of the uncertainties related to both the probability of
incurred and possible range of loss on pending claims and litigation, management must use considerable
judgment in making reasonable determination of the liability that could result from an unfavorable outcome. As
additional information becomes available, we will assess the potential liability related to our pending litigation
and revise our estimates. Such revisions in our estimates of the potential liability could materially impact our
results of operation. We do not anticipate the resolution of such matters known at this time will have a material
adverse effect on our business or consolidated financial position.

Deferred Taxes.

In preparing our consolidated financial statements, we recognize income taxes in each of
the jurisdictions in which we operate. For each jurisdiction, we estimate the actual amount of taxes currently
payable or receivable as well as deferred tax assets and liabilities attributable to temporary differences between
the financial statement carrying amounts of existing assets and liabilities and their respective tax bases. Deferred
income tax assets and liabilities are measured using enacted tax rates expected to apply to taxable income in the
years in which these temporary differences are expected to be recovered or settled. The effect on deferred tax
assets and liabilities of a change in tax rates is recognized in income in the period that includes the enactment
date.

A valuation allowance is provided for those deferred tax assets for which it is more likely than not that the
related benefits will not be realized. In determining the amount of the valuation allowance, we consider estimated
future taxable income as well as feasible tax planning strategies in each jurisdiction. If we determine that we will
not realize all or a portion of our deferred tax assets, we will increase our valuation allowance with a charge to
income tax expense or offset goodwill if the deferred tax asset was acquired in a business combination.
Conversely, if we determine that we will ultimately be able to realize all or a portion of the related benefits for
which a valuation allowance has been provided, all or a portion of the related valuation allowance will be
reduced with a credit to income tax expense except if the valuation allowance was created in conjunction with a
tax asset in a business combination.

At December 31, 2011, we have a $1.2 million valuation allowance and $147.3 million of gross deferred tax
assets included within the net deferred tax liability on our balance sheet. The majority of the deferred tax asset
relates to federal net operating loss carryforwards that have future expiration dates. Management believes that
certain state net operating loss carryforwards will expire unused and, as a result, has created a valuation
allowance of $0.1 million. Management currently believes that adequate future taxable income will be generated
through future operations, or through available tax planning strategies to recover these assets. However, given
that these federal net operating loss carryforwards that give rise to the deferred tax asset expire over 19 years

48

beginning in 2012, there could be changes in management’s judgment in future periods with respect to the
recoverability of these assets. As of December 31, 2011, management believes that it is more likely than not that
the unreserved portion of these deferred tax assets will be recovered.

Purchase Accounting. We account for acquisitions under the purchase method. Under the purchase
method of accounting, the price paid by us, including the value of the redeemable convertible preferred stock, if
any, is allocated to the assets acquired and liabilities assumed based upon the estimated fair values of the assets
and liabilities acquired and the fair value of the convertible redeemable participating preferred stock issued at the
date of acquisition. The excess of the purchase price over the fair value of the net assets and liabilities acquired
represents goodwill that is subject to annual impairment testing.

Earnings Per Share. Basic net income per share is calculated by dividing income allocable to common
stockholders by the weighted-average number of common shares outstanding, net of shares subject to repurchase
by us during the period. Income allocable to common stockholders is net income less the earnings allocable to
preferred stockholders, if applicable. Diluted net income per share is calculated under the if-converted method
unless the conversion of the preferred stock is anti-dilutive to basic net income per share. To the extent the
inclusion of preferred stock is anti-dilutive, we calculate diluted net income per share under the two-class
method. Potential common shares include restricted common stock and incremental shares of common stock
issuable upon the exercise of stock options and vesting of nonvested share-awards and upon conversion of
convertible preferred stock using the treasury stock method.

Recent Accounting Pronouncements

Multiple Element Arrangements.

In September 2009, the Financial Accounting Standards Board (“FASB”)
issued new accounting guidance related to the revenue recognition of multiple element arrangements. This new
if vendor specific objective evidence or third-party evidence for deliverables in an
guidance states that
arrangement cannot be determined, companies will be required to develop a best estimate of the selling price to
separate deliverables and allocate arrangement consideration using the relative selling price method. This
guidance is effective for arrangements entered into after January 1, 2011. We adopted this accounting standard
and it did not have a material impact on our condensed consolidated financial statements and related disclosures.

Business Combinations.

In December 2010, the FASB issued clarification on the accounting guidance for
business combinations. This new accounting guidance clarifies the disclosure requirement for public entities that
have entered into a new business combination during the current fiscal year. Such public entities must present
comparative financial statements disclosing revenue and earnings of the combined entity as though the business
combination that occurred during the current fiscal year had occurred as of the beginning of the comparable prior
annual reporting period only. This guidance is effective for business combinations entered into after January 1,
2011. We adopted this accounting standard and it did not have a material impact on our consolidated financial
statements and related disclosures.

Goodwill.

In December 2010, the FASB issued new accounting guidance for goodwill impairment testing.
This new accounting guidance states that for reporting units with zero or negative carrying amounts the reporting
unit should perform Step 2 of a goodwill impairment test after considering the evidence of adverse qualitative
factors that an impairment may exist. This guidance is effective for us beginning January 1, 2011. We adopted
this accounting standard and do not expect it to have a material impact on our consolidated financial statements
and related disclosures.

In September 2011, the FASB issued an amendment to the existing guidance on the annual testing of
goodwill for impairment. The amended guidance allows companies to assess qualitative factors to determine if it
is more-likely-than-not that goodwill might be impaired and whether it is necessary to perform the two-step
goodwill impairment test required under current accounting standards. This guidance is effective for annual and
interim periods beginning after December 15, 2011, with early adoption permitted. We adopted this accounting
standard for the year ended December 31, 2011 and it did not have a material impact on our consolidated
financial statements and related disclosures.

49

Comprehensive Income.

In June 2011, the FASB issued an amendment to the existing guidance on the
presentation of comprehensive income. Under the amended guidance, entities have the option to present the
components of net
income and other comprehensive income in either a single continuous statement of
comprehensive income or in two separate but consecutive statements. Entities no longer have the option of
presenting the components of other comprehensive income within the statement of changes in stockholders’
equity. This amendment is effective on a retrospective basis for fiscal years, and interim periods within those
years, beginning after December 15, 2011, which for us is the first quarter in 2012. The adoption of this
amendment will result in a change to our current presentation of comprehensive income, but will not have any
impact on our consolidated financial statements and related disclosures.

Under the amended guidance discussed in the preceding paragraph, an entity is required to present the effect
of reclassification adjustments out of accumulated other comprehensive income in both net income and other
comprehensive income in the financial statements. In December 2011, the FASB issued an amendment to this
provision and decided to defer the effective date, pending reconsideration, of the presentation requirements for
reclassification adjustments of items out of accumulated other comprehensive income. However, the requirement
to present comprehensive income in one or two consecutive financial statement rather than to permit the option
to present other comprehensive income in the statement of changes in stockholders’ equity remains.

Fair Value Measurement.

In May 2011, the FASB issued amendments to the existing guidance on fair
value measurement. The amendments are intended to create consistency between U.S. generally accepted
accounting standards and International Financial Reporting Standards on measuring fair value and disclosing
information about fair value measurements. The amendments clarify the application of existing fair value
measurement requirements including: (i) the application of the highest and best use valuation premise concepts;
(ii) measuring the fair value of an instrument classified in a reporting entity’s stockholders’ equity and
(iii) quantitative information required for fair value measurements categorized within Level 3. In addition, the
amendments require additional disclosure for Level 3 measurements regarding the sensitivity of fair value to
changes in unobservable inputs and any interrelationships between those inputs. These amendments are effective
for interim and annual periods beginning after December 15, 2011, which for us is calendar year 2012. These
changes are required to be applied prospectively. We do not anticipate that the adoption of these amendments
will have a material impact on our consolidated financial statements and related disclosures.

ITEM 7A. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

Interest Rate Swap Agreement. We seek to reduce earnings and cash flow volatility associated with
changes in interest rates through a financial arrangement intended to provide a hedge against a portion of the
risks associated with such volatility. We continue to have exposure to such risks to the extent they are not
hedged.

Interest rate swap agreements are the only instruments we have used to manage interest rate fluctuations
affecting our variable rate debt. At December 31, 2011, we did not have any outstanding interest rate swap
agreements. We enter into derivative financial arrangements only to the extent that the arrangement meets the
objectives described, and we do not engage in such transactions for speculative purposes.

50

The following table sets forth the scheduled maturities and the total fair value of our debt portfolio as of

December 31, 2011:

At December 31,

2012

2013

2014

2015

2016

Thereafter

(In thousands, except percentages)

Total at
December 31,
2011

Total Fair Value
at December 31,
2011

Debt:
Fixed rate . . . . . . . . . . . $ 1,163 $
Average interest rate . .
Floating rate . . . . . . . . . $ — $345,149 $ — $
Average interest rate . .
Operating leases: . . . . . $15,687 $ 12,722 $9,302 $

289 $ 153 $150,000 $ — $200,000

$351,605

$355,605

7.43%

— $ — $

— $345,149

$345,149

6,661 $4,191 $

4,933

$ 53,496

3.08%

Impact of Foreign Currency Rate Changes. We currently have branch operations outside the U.S. and we
bill those customers primarily in their local currency, which is subject to foreign currency rate changes. Our
operations in Canada are billed in the Canadian dollar, operations in the U.K. are billed in Pound Sterling and
operations in The Netherlands are billed in the Euro. We are exposed to foreign exchange rate fluctuations as the
financial results of our non-U.S. operations are translated into U.S. dollars. The impact of foreign currency rate
changes has historically been insignificant with our Canadian operations, but we have more exposure to volatility
with our European operations. In order to help minimize our exchange rate gain and loss volatility, we finance
our European entities through our revolving line of credit which allows us, at our option, to borrow funds locally
in Pound Sterling denominated debt.

51

ITEM 8. FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

INDEX TO CONSOLIDATED FINANCIAL STATEMENTS AND SCHEDULE

Report of Independent Registered Public Accounting Firm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Consolidated Balance Sheets — December 31, 2010 and 2011 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Consolidated Statements of Income — For the Years Ended December 31, 2009, 2010 and 2011 . . . . . . . . . .
Consolidated Statements of Preferred Stock and Stockholders’ Equity — For the Years Ended

December 31, 2009, 2010 and 2011 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Consolidated Statements of Cash Flows — For the Years Ended December 31, 2009, 2010 and 2011 . . . . . .
Notes to Consolidated Financial Statements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

53
54
55

56
57
58

52

Report of Independent Registered Public Accounting Firm

The Board of Directors and Stockholders of Mobile Mini, Inc.

We have audited the accompanying consolidated balance sheets of Mobile Mini, Inc. as of December 31,
2011 and 2010, and the related consolidated statements of income, preferred stock and stockholders’ equity, and
cash flows for each of the three years in the period ended December 31, 2011. Our audits also included the
financial statement schedule listed in the Index at Item 15(a). These financial statements and schedule are the
responsibility of the Company’s management. Our responsibility is to express an opinion on these 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 audit to obtain reasonable assurance
about whether the financial statements are free of material misstatement. An audit includes examining, on a test
basis, evidence supporting the amounts and disclosures in the financial statements. An audit also includes
assessing the accounting principles used and significant estimates made by management, as well as evaluating
the overall financial statement presentation. We believe that our audits provide a reasonable basis for our
opinion.

In our opinion, the financial statements referred to above present fairly, in all material respects, the
consolidated financial position of Mobile Mini, Inc. at December 31, 2011 and 2010, and the consolidated results
of its operations and its cash flows for each of the three years in the period ended December 31, 2011, in
conformity with U.S. generally accepted accounting principles. Also, in our opinion, the related financial
statement schedule, when considered in relation to the basic 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), Mobile Mini, Inc.’s internal control over financial reporting as of December 31, 2011, based on
criteria established in Internal Control-Integrated Framework issued by the Committee of Sponsoring
Organizations of the Treadway Commission and our report dated February 29, 2012 expressed an unqualified
opinion thereon.

/s/ Ernst & Young LLP

Phoenix, Arizona
February 29, 2012

53

MOBILE MINI, INC.

CONSOLIDATED BALANCE SHEETS
(In thousands except par value data)

December 31,

2010

2011

ASSETS
Cash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Receivables, net of allowance for doubtful accounts of $2,424 and $2,536 at

December 31, 2010 and December 31, 2011, respectively . . . . . . . . . . . . . . . . . . . . .
Inventories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lease fleet, net . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Property, plant and equipment, net . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Deposits and prepaid expenses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Other assets and intangibles, net . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Goodwill

$

1,634

$

2,860

42,678
19,569
1,028,403
80,731
8,405
23,478
511,419

47,102
20,803
1,018,742
79,875
7,338
16,862
514,469

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

$1,716,317

$1,708,051

LIABILITIES AND STOCKHOLDERS’ EQUITY

Liabilities:
Accounts payable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Accrued liabilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Line of credit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Notes payable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Obligations under capital leases . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Senior Notes, net of discount of $617 and $282 at December 31, 2010 and

December 31, 2011, respectively . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Deferred income taxes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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

Commitments and contingencies
Convertible preferred stock: $.01 par value, 20,000 shares authorized, 8,556 issued
and 8,191 outstanding at December 31, 2010, stated at liquidation preference
value . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Stockholders’ equity:
Common stock: $.01 par value, 95,000 shares authorized, 38,962 issued and 36,787
outstanding at December 31, 2010 and 47,787 issued and 45,612 outstanding at
December 31, 2011 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Additional paid-in capital
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Retained earnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Accumulated other comprehensive loss . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Treasury stock, at cost, 2,175 shares . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$

13,607
49,276
396,882
289
2,576

371,655
165,567

999,852

$

20,849
46,369
345,149
316
1,289

349,718
183,550

947,240

147,427

—

390
349,693
284,242
(25,987)
(39,300)

478
508,936
316,106
(25,409)
(39,300)

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

569,038

760,811

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

$1,716,317

$1,708,051

See accompanying notes.

54

MOBILE MINI, INC.

CONSOLIDATED STATEMENTS OF INCOME
(In thousands except per share data)

For the Years Ended December 31,

2009

2010

2011

Revenues:

Leasing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sales . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Other . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$333,521
38,605
2,335

$295,034
33,156
2,567

$318,863
42,842
2,723

Total revenues . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

374,461

330,757

364,428

Costs and expenses:

Cost of sales . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Leasing, selling and general expenses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Integration, merger and restructuring expenses . . . . . . . . . . . . . . . . . . . . . . .
Depreciation and amortization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

25,795
192,861
11,305
39,082

21,997
179,121
4,014
35,686

27,070
203,236
1,361
35,665

Total costs and expenses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

269,043

240,818

267,332

Income from operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Other income (expense):

Interest income . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Interest expense . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Debt restructuring expense . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Deferred financing costs write-off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Foreign currency exchange loss . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Income before provision for income taxes . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Provision for income taxes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Net income . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Earnings allocable to preferred stockholders . . . . . . . . . . . . . . . . . . . . . . . . . . .

105,418

89,939

97,096

29
(59,504)

1
(56,430)
— (11,024)
(525)
—
(9)
(88)

45,855
18,057

27,798
(5,431)

21,952
8,443

13,509
(2,550)

—
(46,342)
(1,334)
—
(7)

49,413
17,549

31,864
(970)

Net income available to common stockholders . . . . . . . . . . . . . . . . . . . . . . .

$ 22,367

$ 10,959

$ 30,894

Earnings per share:
Basic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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

$

$

0.65

0.64

$

$

0.31

0.31

$

$

0.74

0.71

Weighted average number of common and common share equivalents

outstanding:
Basic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

34,597

35,196

41,566

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

43,252

43,829

44,569

See accompanying notes.

55

MOBILE MINI, INC.

CONSOLIDATED STATEMENTS OF PREFERRED STOCK AND STOCKHOLDERS’ EQUITY
For the years ended December 31, 2009, 2010 and 2011
(In thousands)

Preferred Stock

Series A
Convertible
Preferred Stock

Shares Amount

Stockholders’ Equity

Shares of
Common
Stock

Common
Stock

Additional
Paid-In
Capital

Retained
Earnings

Accumulated
Other
Comprehensive
Income (Loss)

Treasury
Stock

Total
Stockholders’
Equity

Balance, December 31, 2008 . . . . . . . . . . 8,556 $ 153,990 35,314
—

—

—

Net income . . . . . . . . . . . . . . . . . . . . .
Fair value change in derivatives, (net

$375
—

$328,696 $242,935
— 27,798

$(37,478)
—

$(39,300) $495,228
27,798

—

of income tax expense of
($1,493)) . . . . . . . . . . . . . . . . . . . . .

Foreign currency translation, (net of

income tax expense of ($926)) . . . .

Comprehensive income . . . . . . . . . . . .
Exercise of stock options . . . . . . . . . . .
Tax benefit shortfall on stock option

exercises . . . . . . . . . . . . . . . . . . . . .

Preferred stock converted to common

—

—

—
—

—

—

—

—
—

—

—

—

—
77

—

stock . . . . . . . . . . . . . . . . . . . . . . . .
Restricted stock grants . . . . . . . . . . . . .
Share-based compensation . . . . . . . . .

(365)
—
—

(6,563)
—
—

365
520
—

—

—

—
1

—

4
5
—

—

—

—
799

(542)

6,559
(5)
6,090

—

—

—
—

—

—
—
—

2,335

9,352

—
—

—

—
—
—

—

—

—
—

—

—
—
—

2,335

9,352

39,485
800

(542)

6,563
—
6,090

Balance, December 31, 2009 . . . . . . . . . . 8,191
—

Net income . . . . . . . . . . . . . . . . . . . . .
Fair value change in derivatives, (net

of income tax expense
of ($2,162)) . . . . . . . . . . . . . . . . . . .

Foreign currency translation, (net of

income tax benefit of $126) . . . . . . .

Comprehensive income . . . . . . . . . . . .
Exercise of stock options . . . . . . . . . . .
Tax benefit shortfall on stock option

exercises . . . . . . . . . . . . . . . . . . . . .
Restricted stock grants . . . . . . . . . . . . .
Share-based compensation . . . . . . . . .

—

—

—
—

—
—
—

Balance, December 31, 2010 . . . . . . . . . . 8,191
—

Net income . . . . . . . . . . . . . . . . . . . . .
Fair value change in derivatives, (net

of income tax expense of ($808)) . .

Foreign currency translation, (net of

income tax benefit of $56) . . . . . . . .

Comprehensive income . . . . . . . . . . . .
Exercise of stock options . . . . . . . . . . .
Tax benefit shortfall on stock option

exercises . . . . . . . . . . . . . . . . . . . . .

Preferred stock converted to common

—

—

—
—

—

147,427 36,276
—

—

385
—

341,597

270,733
— 13,509

(25,791)
—

(39,300)
—

547,624
13,509

—

—

—
—

—
—
—

—

—

—
160

—
351
—

—

—

—
1

—
4
—

—

—

—
1,860

(201)
(4)
6,441

—

—

—
—

—
—
—

3,417

(3,613)

—
—

—
—
—

—

—

—
—

—
—
—

3,417

(3,613)

13,313
1,861

(201)
—
6,441

147,427 36,787
—

—

390
—

349,693

284,242
— 31,864

(25,987)
—

(39,300)
—

569,038
31,864

—

—

—
—

—

—

—

—
328

—

8,191
306
—

—

—

—
3

—

82
3
—

—

—

—
5,286

(2)

147,347
(3)
6,615

—

—

—
—

—

—
—
—

1,316

(738)

—
—

—

—
—
—

—

—

—
—

—

1,316

(738)

32,442
5,289

(2)

— 147,429
—
—
6,615
—

stock . . . . . . . . . . . . . . . . . . . . . . . . (8,191) (147,427)
—
—

Restricted stock grants . . . . . . . . . . . . .
Share-based compensation . . . . . . . . .

—
—

Balance, December 31, 2011 . . . . . . . . . .

— $

— 45,612

$478

$508,936 $316,106

$(25,409)

$(39,300) $760,811

See accompanying notes.

56

MOBILE MINI, INC.

CONSOLIDATED STATEMENTS OF CASH FLOWS
(In thousands)

Cash Flows From Operating Activities:

Net income . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Adjustments to reconcile net income to net cash provided by operating activities:

$ 27,798

$ 13,509

$ 31,864

For the Years Ended December 31,

2009

2010

2011

Debt restructuring expense . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Deferred financing costs write-off
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Provision for doubtful accounts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Amortization of deferred financing costs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Amortization of debt issuance discount
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Amortization of long-term liabilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Share-based compensation expense . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Depreciation and amortization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Gain on sale of lease fleet units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Loss on disposal of property, plant and equipment . . . . . . . . . . . . . . . . . . . . . . . . . .
Deferred income taxes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Foreign currency loss . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Changes in certain assets and liabilities, net of effect of businesses

acquired:

Receivables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inventories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Deposits and prepaid expenses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Other assets and intangibles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Accounts payable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Accrued liabilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Net cash provided by operating activities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Cash Flows From Investing Activities:

Cash paid for businesses acquired . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Additions to lease fleet, excluding acquisitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Proceeds from sale of lease fleet units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Additions to property, plant and equipment
Proceeds from sale of property, plant and equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Other . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Net cash provided by (used in) provided by investing activities . . . . . . . . . . . . . . .

Cash Flows From Financing Activities:

Net repayments under lines of credit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Proceeds from issuance of 7.875% senior notes due 2020 . . . . . . . . . . . . . . . . . . . . . . . .
Redemption of 9.75% senior notes due 2014 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Redemption premiums of 9.75% senior notes due 2014 . . . . . . . . . . . . . . . . . . . . . . . . . .
Deferred financing costs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Proceeds from issuance of notes payable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Principal payments on notes payable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Principal payments on capital lease obligations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Issuance of common stock, net . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Net cash used in financing activities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Effect of exchange rate changes on cash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Net decrease in cash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cash at beginning of year . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cash at end of year . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

—
—
2,701
3,714
743
163
5,782
39,082
(11,661)
52
17,201
88

18,626
3,691
3,412
(103)
(6,293)
(18,226)
86,770

—
(21,517)
33,495
(10,294)
1,252
112
3,048

11,024
525
1,892
3,693
673
272
6,292
35,686
(10,045)
34
7,736
9

(3,969)
2,506
1,486
(200)
(435)
(9,883)
60,805

—
(15,103)
28,860
(8,555)
149
—
5,351

(80,877)

(76,773)
— 200,000
(176,578)
(8,955)
(4,964)
466
(1,303)
(1,485)
1,861
(67,731)
1,469
(106)
1,740
1,634

(1,150)
—
(75)
1,272
(1,533)
(1,436)
800
(82,999)
(8,263)
(1,444)
3,184
$ 1,740

$

1,334
—
2,652
4,075
86
230
6,456
35,665
(13,800)
91
17,211
7

(6,800)
(1,242)
1,067
(33)
7,294
(1,188)
84,969

(7,783)
(29,824)
36,201
(11,498)
117
—
(12,787)

(51,733)
—
(22,272)
(1,086)
—
394
(367)
(1,288)
5,289
(71,063)
107
1,226
1,634
$ 2,860

Supplemental Disclosure of Cash Flow Information:

Cash paid during the year for interest . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$ 54,817

$ 56,582

$ 42,683

Cash paid during the year for income and franchise taxes . . . . . . . . . . . . . . . . . . . . . . . .

$ 1,055

Interest rate swap changes in value credited to equity . . . . . . . . . . . . . . . . . . . . . . . . . . .

$ 2,335

$

$

823

$

816

3,417

$ 1,316

See accompanying notes.

57

MOBILE MINI, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(1) Mobile Mini, its Operations and Summary of Significant Accounting Policies

Organization and Special Considerations

Mobile Mini, Inc., a Delaware corporation, is a leading provider of portable storage solutions. In these
notes, the terms “Mobile Mini” and the “Company”, refer to Mobile Mini, Inc. At December 31, 2011, Mobile
Mini has a fleet of portable storage and office units and operates throughout the U.S., Canada, the U.K. and The
Netherlands. The Company’s portable storage products offer secure, temporary storage with immediate access.
The Company has a diversified customer base, including large and small retailers, construction companies,
medical centers, schools, utilities, distributors, the military, hotels, restaurants, entertainment complexes and
households. The Company’s customers use its products for a wide variety of applications, including the storage
of retail and manufacturing inventory, construction materials and equipment, documents and records and other
goods.

Principles of Consolidation

The consolidated financial statements include the accounts of Mobile Mini and its wholly owned
subsidiaries. The Company does not have any subsidiaries in which it does not own 100% of the outstanding
stock. All significant intercompany balances and transactions have been eliminated. Certain prior period amounts
in the accompanying consolidated financial statements have been reclassified to conform to the current financial
presentation.

Revenue Recognition

Lease and leasing ancillary revenues and related expenses generated under portable storage and mobile
office units are recognized on a straight-line basis. Delivery and hauling revenues and expenses from portable
storage and mobile office units are recognized when these services are earned. The Company recognizes
revenues from sales of containers and mobile office units upon delivery when the risk of loss passes, the price is
fixed and determinable and collectability is reasonably assured. The Company sells its products pursuant to sales
contracts stating the fixed sales price with its customers.

Cost of Sales

Cost of sales in the Company’s consolidated statements of income includes only the costs for units it sells.
Similar costs associated with the portable storage units that it leases are capitalized on its balance sheet under
“Lease fleet”.

Advertising Costs

All non direct-response advertising costs are expensed as incurred. Yellow page advertising is capitalized
when paid and amortized over the period in which the benefit is derived. At December 31, 2010 and 2011,
prepaid advertising costs were approximately $1.3 million and $1.0 million, respectively. The amortization
period of the prepaid balance never exceeds 12 months. Advertising expense was $11.4 million, $9.3 million and
$9.5 million in 2009, 2010 and 2011, respectively.

Receivables and Allowance for Doubtful Accounts

Receivables primarily consist of amounts due from customers from the lease or sale of containers
throughout the U.S., Canada, the U.K. and The Netherlands. Mobile Mini records an estimated provision for bad

58

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

MOBILE MINI, INC.

debts through a charge to operations in amounts of its estimated losses expected to be incurred in the collection
of these accounts. The Company reviews the provision for adequacy monthly. The estimated losses are based on
historical collection experience and evaluation of past-due account agings. Specific accounts are written off
against the allowance when management determines the account is uncollectible. The Company requires a
security deposit on most leased office units to cover the cost of damages or unpaid balances, if any.

Concentration of Credit Risk

Financial instruments which potentially expose the Company to concentrations of credit risk consist
primarily of receivables. Concentration of credit risk with respect to receivables is limited due to the Company’s
large number of customers spread over a broad geographic area in many industry sectors. No single customer
accounts for more than 10.0% of our receivables at December 31, 2010 and 2011. Receivables related to its sales
operations are generally secured by the product sold to the customer. Receivables related to its leasing operations
are primarily small month-to-month amounts. The Company has the right to repossess leased portable storage
units, including any customer goods contained in the unit, following non-payment of rent.

Inventories

Inventories are valued at the lower of cost (principally on a standard cost basis which approximates the
first-in, first-out (FIFO) method) or market. Market is the lower of replacement cost or net realizable value.
Inventories primarily consist of raw materials, supplies, work-in-process and finished goods, all related to the
manufacturing, remanufacturing and maintenance, primarily for the Company’s lease fleet and its units held for
sale. Raw materials principally consist of raw steel, wood, glass, paint, vinyl and other assembly components
used in manufacturing and remanufacturing processes. Work-in-process primarily represents units being built
that are either pre-sold or being built to add to its lease fleet upon completion. Finished portable storage units
primarily represent ISO (International Organization for Standardization) containers held in inventory until the
containers are either sold as is, remanufactured and sold, or units in the process of being remanufactured to be
compliant with the Company’s lease fleet standards before transferring the units to its lease fleet. There is no
certainty when the Company purchases the containers whether they will ultimately be sold, remanufactured and
sold, or remanufactured and moved into its lease fleet. Units that are determined to go into the Company’s lease
fleet undergo an extensive remanufacturing process that includes installing its proprietary locking system,
signage, painting and sometimes its proprietary security doors.

Inventories at December 31 consisted of the following:

Raw materials and supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Work-in-process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Finished portable storage units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$14,934
197
4,438

$15,797
315
4,691

Inventories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$19,569

$20,803

2010

2011

(In thousands)

Property, Plant and Equipment

Property, plant and equipment are stated at cost, net of accumulated depreciation. Depreciation is provided
using the straight-line method over the assets’ estimated useful lives. Residual values are determined when the
property is constructed or acquired and range up to 25%, depending on the nature of the asset. In the opinion of
management, estimated residual values do not cause carrying values to exceed net realizable value. The

59

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

MOBILE MINI, INC.

Company’s depreciation expense related to property, plant and equipment for 2009, 2010 and 2011 was
$12.1 million, $11.3 million and $12.1 million, respectively. Normal repairs and maintenance to property, plant
and equipment are expensed as incurred. When property or equipment is retired or sold, the net book value of the
asset, reduced by any proceeds, is charged to gain or loss on the retirement of fixed assets and is included in
leasing, selling and general expenses in the Consolidated Statements of Income.

Property, plant and equipment at December 31 consisted of the following:

Estimated
Useful Life in
Years

Land . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Vehicles and machinery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Buildings and improvements(1) . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
Office fixtures and equipment

5 to 20
30
5

Less accumulated depreciation . . . . . . . . . . . . . . . . . . . . . . . . .

Property, plant and equipment, net . . . . . . . . . . . . . . . . . . . . . .

2010

2011

(In thousands)
$ 11,081
80,594
15,832
27,368

$ 11,079
85,553
17,528
28,442

134,875
(54,144)

142,602
(62,727)

$ 80,731

$ 79,875

(1)

Improvements made to leased properties are depreciated over the lesser of the estimated remaining life or
the remaining term of the respective lease.

Other Assets and Intangibles

Other assets and intangibles primarily represent deferred financing costs and intangible assets from
acquisitions of $49.2 million at December 31, 2010 and $49.5 million at December 31, 2011, excluding
accumulated amortization of $25.7 million at December 31, 2010 and $32.6 million at December 31, 2011.
Deferred financing costs are amortized over the term of the agreement, and intangible assets are amortized on a
straight-line basis, typically from five to 20 years, depending on its useful life. Intrinsic values assigned to
customer relationships and trade names are amortized on an accelerated basis, typically over 15 years.

The following table reflects balances related to other assets and intangible assets for the years ended

December 31:

Deferred financing costs . . . . . . . . . . . .
Customer relationships . . . . . . . . . . . . .
Trade names/trademarks . . . . . . . . . . . .
Non-compete agreements . . . . . . . . . . .
Patents and other . . . . . . . . . . . . . . . . . .

Gross
Carrying
Amount

$26,269
21,313
926
250
414

2010

Accumulated
Amortization

$(11,670)
(12,848)
(914)
(153)
(109)

Net
Carrying
Amount

Gross
Carrying
Amount

(In thousands)

$14,599
8,465
12
97
305

$26,353
21,474
917
274
439

2011

Accumulated
Amortization

Net Carrying
Amount

$(15,745)
(15,608)
(914)
(174)
(154)

$10,608
5,866
3
100
285

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

$49,172

$(25,694)

$23,478

$49,457

$(32,595)

$16,862

60

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

MOBILE MINI, INC.

Amortization expense for deferred financing costs was approximately $3.7 million, $3.7 million and
$4.1 million in 2009, 2010 and 2011, respectively. The annual amortization of deferred financing costs is
expected to be $4.1 million in 2012, $2.5 million in 2013, $0.9 million in 2014, $0.6 million in 2015 and
$2.5 million thereafter.

Amortization expense for all other

intangibles was approximately $5.6 million, $4.0 million and
$3.0 million in 2009, 2010 and 2011, respectively. Based on the carrying value at December 31, 2011, and
assuming no subsequent impairment of the underlying assets, the annual amortization expense is expected to be
$2.2 million in 2012, $1.5 million in 2013, $1.0 million in 2014, $0.7 million in 2015 and $0.9 million thereafter.

Income Taxes

Mobile Mini utilizes the liability method of accounting for income taxes where deferred taxes are
determined based on the difference between the financial statement and tax basis of assets and liabilities using
enacted tax rates in effect in the years in which the differences are expected to reverse. Valuation allowances are
established, when necessary, to reduce deferred tax assets to the amount expected to be realized. Income tax
expense includes both taxes payable for the period and the change during the period in deferred tax assets and
liabilities.

Earnings per Share

The Company’s preferred stock, if applicable, participates in distributions of earnings on the same basis as
shares of common stock. Earnings for the period are allocated between the common and preferred shareholders
based on their respective rights to receive dividends. Basic net income per share is then calculated by dividing
income allocable to common stockholders by the weighted-average number of common shares outstanding, net
of shares subject to repurchase by the Company, during the period. The Company is not required to present basic
and diluted net income (loss) per share for securities other than common stock; therefore, the following net
income per share amounts only pertain to the Company’s common stock. The Company calculates diluted net
income per share under the if-converted method unless the conversion of the preferred stock is anti-dilutive to
basic net income per share. To the extent the inclusion of preferred stock is anti-dilutive, the Company calculates
diluted net income per share under the two-class method. Potential common shares include restricted common
stock and incremental shares of common stock issuable upon the exercise of stock options and vesting of
nonvested share-awards and convertible preferred stock using the treasury stock method.

61

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

MOBILE MINI, INC.

The following table is a reconciliation of net income and weighted-average shares of common stock
outstanding for purposes of calculating basic and diluted earnings per share (“EPS”) for the years ended
December 31:

Historical net income per share:
Numerator:
Net income . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Less: Earnings allocable to preferred stock . . . . . . . . . . . . . . . . . .

2009

2010

2011

(In thousands except per share data)

$27,798
(5,431)

$13,509
(2,550)

$31,864
(970)

Net income available to common stockholders . . . . . . . . . . . . .

$22,367

$10,959

$30,894

Basic EPS Denominator:
Common shares outstanding beginning of year . . . . . . . . . . . . . . . . .
Effect of weighting shares:

Weighted shares issued during the period ended

34,324

35,063

35,565

December 31 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

273

133

6,001

Denominator for basic net income per share . . . . . . . . . . . . . . . . . . .

34,597

35,196

41,566

Diluted EPS Denominator:
Common shares outstanding, beginning of year . . . . . . . . . . . . . . . .
Effect of weighting shares:

Weighted shares issued during the period ended

December 31 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Dilutive effect of stock options and nonvested share-awards
during the period ended December 31 . . . . . . . . . . . . . . . .

Dilutive effect of convertible preferred stock assumed

34,324

35,063

35,565

273

257

133

442

6,001

663

converted during the period ended December 31 . . . . . . .

8,398

8,191

2,340

Denominator for diluted net income per share . . . . . . . . . . . . . . . . . .

43,252

43,829

44,569

Basic earnings per share . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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

$

$

0.65

0.64

$

$

0.31

0.31

$

$

0.74

0.71

Basic weighted average number of common shares outstanding does not include 1.2 million of nonvested

share-awards in each of 2009, 2010 and 2011 because the stock had not yet vested.

The following table represents the number of stock options and nonvested share-awards that were issued or
outstanding but excluded in calculating diluted EPS because their effect would have been anti-dilutive for the
years ended December 31:

Share options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Nonvested share-awards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2009

2010

2011

(In thousands)
1,227
306

1,407
794

2,201

1,533

964
12

976

62

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

MOBILE MINI, INC.

Long Lived Assets

Mobile Mini reviews long-lived assets for impairment whenever events or changes in circumstances
indicate the carrying amount of such assets may not be fully recoverable. If this review indicates the carrying
value of these assets will not be recoverable, as measured based on estimated undiscounted cash flows over their
the carrying amount would be adjusted to fair value. The cash flow estimates contain
remaining life,
management’s best estimates, using appropriate and customary assumptions and projections at the time. The
Company did not recognize any impairment losses in the years ended December 31, 2010 and 2011.

Goodwill

Purchase prices of acquired businesses have been allocated to the assets and liabilities acquired based on the
estimated fair values on the respective acquisition dates. Based on these values, the excess purchase prices over
the fair value of the net assets acquired were allocated to goodwill. Acquisitions of businesses under asset
purchase agreements results in the goodwill relating to business acquisition being deductible for income tax
purposes over 15 years even though goodwill is not amortized for financial reporting purposes. The Company did
not have any acquisitions through asset purchase or stock purchase agreements in 2010.

to impairment

The Company evaluates goodwill periodically to determine whether events or circumstances have occurred
that would indicate goodwill might be impaired. The Company originally had assigned its goodwill to each of its
three reporting units (North America, the U.K. and The Netherlands). At December 31, 2011, only North
testing. The Company performs an annual
America and the U.K. have goodwill subject
impairment test on goodwill at December 31. In addition, the Company will perform impairment tests during any
reporting period in which events or changes in circumstances indicate that an impairment may have incurred. In
assessing the fair value of the reporting units, the Company considers both the market and income approaches.
Under the market approach, the fair value of the reporting unit is based on quoted market prices of companies
comparable to the reporting unit being valued. Under the income approach, the fair value of the reporting unit is
based on the present value of estimated cash flows. The income approach is dependent on a number of significant
management assumptions, including estimated future revenue growth rates, gross margins on sales, operating
margins, capital expenditure, tax payments and discount rates. Each approach was given equal weight in arriving
at the fair value of the reporting unit. As of December 31, 2011, management assessed qualitative factors and
determined it is more likely than not each of the Company’s remaining reporting units assigned goodwill had
estimated fair values greater than the respective reporting unit’s individual net asset carrying values; therefore,
the two step impairment test was not required.

If the two step impairment test is necessary, the Company is required to determine the implied fair value of
the goodwill and compare it to the carrying value of the goodwill. The Company would allocate the fair value of
the reporting units to the respective assets and liabilities of each reporting unit as if the reporting units had been
acquired in separate and individual business combinations and the fair value of the reporting units was the price
paid to acquire the reporting units. The excess of the fair value of the reporting units over the amounts assigned
to their respective assets and liabilities is the implied fair value of goodwill. At December 31, 2011,
$450.4 million of the goodwill relates to the North America reporting unit, and $64.1 million relates to the U.K.
reporting unit.

63

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

MOBILE MINI, INC.

The following table shows the activity and balances related to goodwill from January 1, 2010 to

December 31, 2011:

Balance at January 1, 2010(1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Foreign currency(2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Balance at December 31, 2010(1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Acquisitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Adjustments(3)
Foreign currency(2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Goodwill

(In thousands)
$513,238
(1,819)

511,419
3,408
(251)
(107)

Balance at December 31, 2011(1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$514,469

(1)

Includes accumulated amortization of $2.0 million and accumulated impairment of $13.7 million.

(2) Represents foreign currency translation adjustments related to the U.K. reporting unit.

(3) Represents a favorable settlement of an exit cost accrued from the MSG acquisition.

Fair Value of Financial Instruments

The Company determines the estimated fair value of financial

information and valuation methodologies. Considerable judgment
Accordingly, the estimates may not be indicative of the amounts it could realize in a current market exchange.

instruments using available market
is required in estimating fair values.

The carrying amounts of cash, receivables, accounts payable and accrued liabilities approximate fair values
based on the liquidity of these financial instruments or based on their short-term nature. The carrying amounts of
the Company’s borrowings under its Prior Credit Agreement (see Note 4) and notes payable approximate fair
value. The fair values of the Company’s notes payable and Prior Credit Agreement are estimated using
discounted cash flow analyses, based on its current incremental borrowing rates for similar types of borrowing
arrangements. Based on the borrowing rates currently available to the Company for bank loans with similar terms
and average maturities, the fair value of fixed rate notes payable at December 31, 2010 and 2011, approximated
their respective book values. The fair value of the Company’s $150.0 million aggregate principal amount of
6.875% senior notes due 2015 (the “2015 Notes”),
its $200.0 million aggregate principal amount of
7.875% senior notes due 2020 (the “2020 Notes”, and together with the 2015 Notes, the “Mobile Mini Notes”)
and its $200.0 million aggregate principal amount of 9.750% senior notes originally issued by Mobile Storage
Group (“MSG”) due 2014 (the “MSG Notes” and together with the Mobile Mini Notes, the “Senior Notes”), is
based on the latest sales price of the notes at the end of each period obtained from a third-party institution.

The carrying value and the fair value of the Company’s Senior Notes are as follows:

December 31,
2010

December 31,
2011

(In thousands)

Carrying value . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$371,655

$349,718

Fair value . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$375,608

$354,000

The remaining $22.3 million aggregate principal amount of outstanding MSG Notes at December 31, 2010
was fully redeemed in January 2011 and is no longer outstanding. The redemption of these notes resulted in a
debt restructuring charge of $1.3 million, representing tender premiums of $1.1 million and the write-off of the
remaining unamortized acquisition date discount of $0.2 million.

64

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

MOBILE MINI, INC.

Deferred Financing Costs

Included in other assets and intangibles are deferred financing costs of approximately $14.6 million and
$10.6 million, net of accumulated amortization of $11.7 million and $15.7 million, at December 31, 2010 and
2011, respectively. Costs of obtaining long-term financing, including the Company’s Prior Credit Agreement, are
amortized over the term of the related debt, using the straight-line method. Amortizing the deferred financing
costs using the straight-line method approximates the effective interest method.

Derivatives

In the normal course of business, the Company’s operations are exposed to fluctuations in interest rates. The
Company addresses a portion of these risks through a controlled program of risk management that includes the
use of derivative financial instruments. The objective of controlling these risks is to limit the impact of
fluctuations in interest rates on earnings.

The Company’s primary interest rate risk exposure results from changes in short-term U.S. dollar interest
rates. In an effort to manage interest rate exposures, the Company may enter into interest rate swap agreements,
which convert its floating rate debt to a fixed-rate and which it designates as cash flow hedges. Interest expense
on the notional amounts under these agreements is accrued using the fixed rates identified in the swap
agreements.

Mobile Mini had interest rate swap agreements with an aggregate notional amount of $125 million at
December 31, 2010. The Company did not have any outstanding interest rate swap agreements at December 31,
2011.

The following tables summarize information related to the Company’s derivatives. All of the Company’s

derivatives are designated as effective hedging instruments in cash flow hedging relationships.

Interest Rate Swap Agreements

Balance Sheet Location

Fair Value

December 31, 2010 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Accrued liabilities

Interest Rate Swap Agreements

December 31, 2010 (net of income tax expense of $2,162) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
December 31, 2011 (net of income tax expense of $808)

(In thousands)
$(2,124)

Amount of Gain
Recognized in
Other
Comprehensive
Income on
Derivatives

(In thousands)
$3,417
$1,316

Share-Based Compensation

At December 31, 2011, the Company had one active share-based employee compensation plan. There are
two expired compensation plans, one of which still has outstanding options subject to exercise or termination. No
additional options can be granted under the expired plans. Stock option awards under these plans are granted with
an exercise price per share equal to the fair market value of the Company’s common stock on the date of grant.
Each outstanding option must expire no more than ten years from the date it was granted, unless exercised or

65

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

MOBILE MINI, INC.

forfeited before the expiration date, and are granted with vesting periods ranging from 3 to 4.5 years. The total
value of the Company’s stock option awards is expensed over the related employee’s service period on a straight-
line basis, or if subject to performance conditions, then the expense is recognized using the accelerated
attribution method.

The Company uses the modified prospective method and does not recognize a deferred tax asset for any
excess tax benefit that has not been realized related to stock-based compensation deductions. The Company
adopted the with-and-without approach with respect
In the
with-and-without approach, the excess tax benefit related to stock-based compensation deductions will be
recognized in additional paid-in capital only if an incremental tax benefit would be realized after considering all
other tax benefits presently available to us. Therefore, the Company’s net operating loss carryforward will offset
current taxable income prior to the recognition of the tax benefit related to stock-based compensation deductions.
In 2010 and 2011, there were $2.4 million and $0.3 million, respectively, of excess tax benefits related to stock-
based compensation, which were not realized under this approach. Once the Company’s net operating loss
carryforward is utilized, these aggregate excess tax benefits, totaling $8.8 million, may be recognized in
additional paid-in capital.

tax benefits realized.

to the ordering of

Foreign Currency Translation and Transactions

For Mobile Mini’s non-U.S. operations, the local currency is the functional currency. All assets and
liabilities are translated into U.S. dollars at period-end exchange rates and all income statement amounts are
translated at the average exchange rate for each month within the year.

Use of Estimates

The preparation of financial statements in conformity with U.S. generally accepted accounting principles
(“GAAP”) requires management to make estimates and assumptions that affect the amounts reported in the
accompanying consolidated financial statements and the notes to those statements. Actual results could differ
from those estimates. The most significant estimates included within the financial statements are the allowance
for doubtful accounts, the estimated useful lives and residual values on the lease fleet and property, plant and
equipment, goodwill and other asset impairments and certain accrued liabilities.

Impact of Recently Issued Accounting Standards

Multiple Element Arrangements.

In September 2009, the Financial Accounting Standards Board (“FASB”)
issued new accounting guidance related to the revenue recognition of multiple element arrangements. This new
guidance states that
if vendor specific objective evidence or third-party evidence for deliverables in an
arrangement cannot be determined, companies will be required to develop a best estimate of the selling price to
separate deliverables and allocate arrangement consideration using the relative selling price method. This
guidance is effective for arrangements entered into after January 1, 2011. The Company adopted this accounting
standard and it did not have a material impact on the Company’s consolidated financial statements and related
disclosures.

Business Combinations.

In December 2010, the FASB issued clarification on the accounting guidance for
business combinations. This new accounting guidance clarifies the disclosure requirement for public entities that
have entered into a new business combination during the current fiscal year. Such public entities must present
comparative financial statements disclosing revenue and earnings of the combined entity as though the business
combination that occurred during the current fiscal year had occurred as of the beginning of the comparable prior

66

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

MOBILE MINI, INC.

annual reporting period only. This guidance is effective for business combinations entered into after January 1,
2011. The Company adopted this accounting standard and it did not have a material impact on the Company’s
consolidated financial statements and related disclosures.

Goodwill.

In December 2010, the FASB issued new accounting guidance for goodwill impairment testing.
This new accounting guidance states that for reporting units with zero or negative carrying amounts the reporting
unit should perform Step 2 of a goodwill impairment test after considering the evidence of adverse qualitative
factors that an impairment may exist. This guidance is effective for the Company beginning January 1, 2011. The
Company adopted this accounting standard and it did not have a material impact on the Company’s consolidated
financial statements and related disclosures.

In September 2011, the FASB issued an amendment to the existing guidance on the annual testing of
goodwill for impairment. The amended guidance allows companies to assess qualitative factors to determine if it
is more-likely-than-not that goodwill might be impaired and whether it is necessary to perform the two-step
goodwill impairment test required under current accounting standards. This guidance is effective for annual and
interim periods beginning after December 15, 2011, with early adoption permitted. The Company adopted this
accounting standard for the year ended December 31, 2011 and it did not have a material impact on the
Company’s consolidated financial statements and related disclosures.

Comprehensive Income.

In June 2011, the FASB issued an amendment to the existing guidance on the
presentation of comprehensive income. Under the amended guidance, entities have the option to present the
income and other comprehensive income in either a single continuous statement of
components of net
comprehensive income or in two separate but consecutive statements. Entities no longer have the option of
presenting the components of other comprehensive income within the statement of changes in stockholders’
equity. This amendment is effective on a retrospective basis for interim and annual periods beginning after
December 15, 2011, which for the Company is the first quarter of 2012. The adoption of this amendment will
result in a change to the Company’s current presentation of comprehensive income, but will not have any impact
on the Company’s consolidated financial statements and related disclosures.

Under the amended guidance discussed in the preceding paragraph, an entity is required to present the effect
of reclassification adjustments out of accumulated other comprehensive income in both net income and other
comprehensive income in the financial statements. In December 2011, the FASB issued an amendment to this
provision and decided to defer the effective date, pending reconsideration, of the presentation requirements for
reclassification adjustments of items out of accumulated other comprehensive income. However, the requirement
to present comprehensive income in one or two consecutive financial statement rather than to permit the option
to present other comprehensive income in the statement of changes in stockholders’ equity remains.

Fair Value Measurement.

In May 2011, the FASB issued amendments to the existing guidance on fair
value measurement. The amendments are intended to create consistency between GAAP and International
Financial Reporting Standards on measuring fair value and disclosing information about
fair value
measurements. The amendments clarify the application of existing fair value measurement requirements
including (i) the application of the highest and best use valuation premise concepts; (ii) measuring the fair value
of an instrument classified in a reporting entity’s stockholders’ equity and (iii) quantitative information required
for fair value measurements categorized within Level 3. In addition,
the amendments require additional
disclosure for Level 3 measurements regarding the sensitivity of fair value to changes in unobservable inputs and
any interrelationships between those inputs. These amendments are effective for interim and annual periods
beginning after December 15, 2011, which for the Company is calendar year 2012. These changes are required to
be applied prospectively. The Company does not anticipate that the adoption of these amendments will have a
material impact on the Company’s consolidated financial statements and related disclosures.

67

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

MOBILE MINI, INC.

(2) Fair Value Measurements

The Company defines fair value as the price that would be received from selling an asset or paid to transfer
a liability in an orderly transaction between market participants. Fair value is a market-based measurement that
should be determined based on assumptions that market participants would use in pricing an asset or liability. As
a basis for considering such assumptions, the Company adopted the suggested accounting guidance for the three
levels of inputs that may be used to measure fair value:

Level 1 - Observable input such as quoted prices in active markets for identical assets or liabilities;

Level 2 - Observable inputs, other than Level 1 inputs in active markets, that are observable either

directly or indirectly; and

Level 3 - Unobservable inputs for which there is little or no market data, which require the reporting

entity to develop its own assumptions.

Assets and liabilities measured at fair value on a recurring basis are as follows:

Interest Swap Agreements

Fair Value

Quoted
Prices in
Active Markets for
Identical
Assets
(Level 1)

December 31, 2010 . . . . . . . . . . . . . . . .
December 31, 2011 . . . . . . . . . . . . . . . .

$(2,124)
$ —

$—
$—

Significant
Other Observable
Inputs
(Level 2)

Significant
Unobservable
Inputs
(Level 3)

Valuation
Technique

(In thousands)
$(2,124)
$ —

$—
$—

(1)
n/a

(1) The Company’s interest rate swap agreements are not traded on a market exchange; therefore, the fair values
are determined using valuation models which include assumptions about the LIBOR yield curve at the
reporting dates as well as counterparty credit risk and the Company’s own non-performance risk. The
Company has consistently applied these calculation techniques to all periods presented. At December 31,
2010, the fair value of interest rate swap agreements is recorded in accrued liabilities in the Company’s
Consolidated Balance Sheets. The Company did not have any outstanding interest rate swap agreements at
December 31, 2011.

(3) Lease Fleet

Mobile Mini’s lease fleet primarily consists of remanufactured, modified and manufactured steel storage
containers, steel security offices, steel combination offices and wood mobile offices that are leased to customers
under short-term operating lease agreements with varying terms. Depreciation is provided using the straight-line
method over the units’ estimated useful life, after the date the Company put the unit in service, and are
depreciated down to their estimated residual values. The Company’s depreciation policy on its steel units uses an
estimated useful life of 30 years with an estimated residual value of 55%. Wood mobile office units are
depreciated over 20 years down to a 50% residual value. Van trailers, which are a small part of the Company’s
fleet, are depreciated over seven years to a 20% residual value. Van trailers and other non-core assets are only
added to the fleet in connection with acquisitions of portable storage businesses. In the opinion of management,
estimated residual values do not cause carrying values to exceed net realizable value. The Company continues to
evaluate these depreciation policies as more information becomes available from other comparable sources and
its own historical experience. The Company’s depreciation expense related to lease fleet for 2009, 2010 and 2011
was $21.4 million, $20.8 million and $21.0 million, respectively. At December 31, 2010 and 2011, all of the
Company’s lease fleet units were pledged as collateral under the Prior Credit Agreement (see Note 4). Normal
repairs and maintenance to the portable storage and mobile office units are expensed as incurred.

68

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

MOBILE MINI, INC.

Lease fleet at December 31 consisted of the following:

2010

2011

(In thousands)

Steel storage containers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Offices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Van trailers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Other (chassis and ancillary products) . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$ 612,214
529,892
3,762
2,491

$ 611,679
536,723
3,047
2,829

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

1,148,359
(119,956)

1,154,278
(135,536)

Lease fleet, net . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$1,028,403

$1,018,742

(4) Line of Credit

At December 31, 2011, Mobile Mini had an ABL Credit Agreement (as amended, the “Prior Credit
Agreement”) which was replaced on February 22, 2012, by a new ABL Credit Agreement (the “Credit
Agreement”) with Deutsche Bank AG New York Branch and other lenders party thereto. The Credit Agreement
provides for a five-year, $900.0 million revolving credit facility. All amounts outstanding under the Credit
Agreement are due on February 22, 2017. The obligations of Mobile Mini and it’s subsidiary guarantors under
the Credit Agreement are secured by a blanket lien on substantially all of the Company’s assets. At December 31,
the Company had approximately $345.1 million of borrowings outstanding and $454.9 million of
2011,
additional borrowing availability under the Prior Credit Agreement, based upon borrowing base calculations as of
such date. Mobile Mini was in compliance with the terms of the Prior Credit Agreement as of December 31, 2010
and December 31, 2011 and was above the minimum borrowing availability threshold and therefore not subject
to any financial maintenance covenants.

Amounts borrowed under the Credit Agreement and repaid or prepaid during the term may be reborrowed.
Outstanding amounts under the Prior Credit Agreement bore interest at the Company’s option at either:
(i) LIBOR plus a defined margin, or (ii) the Agent bank’s prime rate plus a margin. The applicable margins for
each type of loan ranged from 2.25% to 2.75% for LIBOR loans and 0.75% to 1.25% for base rate loans
depending upon the Company’s debt ratio at each measurement date. Under the new Credit Agreement, the
applicable margins for each type of loan will be 2.25% for LIBOR loans and 1.25% for base rate loans for six
months after February 22, 2012 and thereafter will be based on an availability-based pricing grid and will range
from 1.75% to 2.25% for LIBOR loans and 0.75% to 1.25% for base rate loans at each measurement date.

Availability of borrowings under the Credit Agreement is subject to a borrowing base calculation based
upon a valuation of our eligible accounts receivable, eligible container fleet (including containers held for sale,
work-in-process and raw materials) and machinery and equipment, each multiplied by an applicable advance rate
or limit. The lease fleet is appraised at least once annually by a third-party appraisal firm and up to 90% of the
net orderly liquidation value, as defined, is included in the borrowing base to determine how much the Company
may borrow under this new facility.

The Credit Agreement provides for U.K. borrowings, which are, at the Company’s option, denominated in
either Pounds Sterling or Euros, by its U.K. subsidiary based upon a U.K. borrowing base, Canadian borrowings,
by its Canadian subsidiary, denominated in Canadian dollars based upon a Canadian borrowing base and for
U.S. borrowings, which are denominated in U.S. dollars, by Mobile Mini based upon a U.S. borrowing base
along with any Canadian assets not included in the Canadian subsidiary.

69

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

MOBILE MINI, INC.

The Credit Agreement also contains customary negative covenants, including covenants that restrict the
Company’s ability to, among other things, (i) allow certain liens to attach to the Company or its subsidiary assets;
(ii) repurchase or pay dividends or make certain other restricted payments on capital stock and certain other
securities, prepay certain indebtedness or make acquisitions or other investments subject
to “Payment
Conditions” and (iii) incur additional indebtedness or engage in certain other types of financing transactions.
Payment Conditions (as defined in the Credit Agreement) allow restricted payments and acquisitions to occur
without financial covenants so long as the Company has $225.0 million of pro forma excess borrowing
availability under the facility. Mobile Mini also must comply with specified financial maintenance covenants and
affirmative covenants. Only if the Company falls below $90.0 million of borrowing availability levels are the
financial maintenance covenants applicable, with set maximum permitted values for the leverage ratio and fixed
charge coverage ratio, as defined in the Credit Agreement.

The weighted average interest rate under the line of credit, including the effect of applicable interest rate
swap agreements, was approximately 4.4% in 2010 and 3.7% in 2011. The average balance outstanding was
approximately $448.4 million and $383.5 million during 2010 and 2011, respectively.

Mobile Mini had interest rate swap agreements under which it effectively fixed the interest rate payable on
borrowings under the Company’s credit facility so that the interest rate is based on a spread from a fixed rate
rather than a spread from the LIBOR rate. The aggregate change in the fair value of the interest rate swap
agreements resulted in comprehensive income of $3.4 million and $1.3 million, net of applicable income taxes of
$2.2 million and $0.8 million for the years ended December 31, 2010 and 2011, respectively. The Company did
not have any outstanding interest rate swap agreements at December 31, 2011.

(5) Notes Payable

Notes payable at December 31 consisted of the following:

Notes payable to financial institution, interest at 2.56% payable in fixed monthly

installments, matured September 2011, unsecured . . . . . . . . . . . . . . . . . . . . . . . . . . .

$279

$ —

Notes payable to financial institution, interest at 2.54% payable in fixed monthly

installments, maturing September 2012, unsecured . . . . . . . . . . . . . . . . . . . . . . . . . .
Other notes payable, matured in 2011 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

—
10

316
—

Total

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

$289

$316

2010

2011

(In thousands)

(6) Obligations Under Capital Leases

At December 31, 2010 and 2011, obligations under capital leases for certain forklifts, storage containers and
office related equipment were $2.6 million and $1.3 million, respectively. The lease agreements provide the
Company with a purchase option at the end of the lease term. The leases have been capitalized using interest
rates ranging from approximately 5.7% to 8.0%. The leases are secured by the equipment under lease. Assets
recorded under capital lease obligations totaled approximately $6.8 million as of December 31, 2010 and
$2.5 million as of December 31, 2011. Related accumulated amortization totaled approximately $1.2 million as
of December 31, 2010 and $1.6 million as of December 31, 2011. The assets acquired under capital leases and
related accumulated amortization is included in property, plant and equipment, net, and lease fleet, net, in the
Consolidated Balance Sheets. The related amortization is included in depreciation and amortization expense in
the Consolidated Statements of Income.

70

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

MOBILE MINI, INC.

Future minimum capital lease payments at December 31, 2011 are as follows (in thousands):

2012 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2013 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2014 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Total . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Amount representing interest . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$ 912
314
157

1,383
(94)

Present value of minimum lease payments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$1,289

(7) Equity and Debt Issuances

On November 23, 2010, the Company issued $200 million aggregate principal amount of the 2020 Notes.
The 2020 Notes were issued by the Company at an initial offering price of 100% of their face value. The net
proceeds from the sale of the 2020 Notes were used to redeem approximately $170.6 million of the outstanding
MSG Notes due 2014, which were assumed by the Company in connection with the acquisition of MSG in June
2008, to pay the redemption and tender offer premium (approximately $8.9 million) and accrued interest
(approximately $5.2 million) on the MSG Notes, and to pay fees and expenses related to the offering. The
Company used the remaining net proceeds of approximately $10.4 million to repay borrowings under our
revolving credit facility. In the first quarter of 2010 the Company had repurchased $6.0 million of the MSG
Notes and in January 2011, the remaining principal amount outstanding on the MSG Notes, $22.3 million, was
redeemed pursuant to the terms of the Indenture.

The 2020 Notes have a ten-year term and mature on December 1, 2020. The 2020 Notes bear interest at a
rate of 7.875% per year. Interest on the 2020 Notes is payable semiannually in arrears on June 1 and December 1
of each year, beginning on June 1, 2011. The 2020 Notes are senior unsecured obligations of the Company and
are unconditionally guaranteed on a senior unsecured basis by all of our domestic subsidiaries.

On November 22, 2010, Mobile Mini entered into a Second Supplemental Indenture with Wells Fargo
Bank, N.A., as trustee (the Second Supplemental Indenture), in connection with the Company’s cash tender offer
and consent solicitation for the MSG Notes. Pursuant to the Second Supplemental Indenture, substantially all of
the restrictive covenants and certain events of default found in the indenture governing the MSG Notes were
removed. The Indenture was terminated in January 2011 with the redemption of the remaining outstanding MSG
Notes.

Senior Notes at December 31 consisted of the following:

Senior Notes, interest at 9.750%, maturing 2014 . . . . . . . . . . . . . . . . . . . . . . .
Senior Notes, interest at 6.875%, maturing 2015 . . . . . . . . . . . . . . . . . . . . . . .
Senior Notes, interest at 7.875%, maturing 2020 . . . . . . . . . . . . . . . . . . . . . . .

$ 22,272(1) $
150,000
200,000

—
150,000
200,000

Less unamortized discount

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

372,272
(617)

350,000
(282)

Total

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

$371,655

$349,718

2010

2011

(In thousands)

(1) The aggregate principal amount outstanding of the 9.750% Senior Notes at December 31, 2010 were

redeemed in January 2011.

71

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

MOBILE MINI, INC.

Future Debt Obligations

The scheduled maturity for debt obligations under Mobile Mini’s Prior Credit Agreement, notes payable,
obligations under capital leases and Senior Notes for balances outstanding at December 31, 2011 are as follows
(in thousands):

2012 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2013 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2014 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2015 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2016 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Thereafter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$

1,163
345,438
153
150,000
—
200,000

$696,754

Preferred Stock

On April 14, 2011, the remaining issued and outstanding shares of the Company’s Series A Convertible
Redeemable Participating Preferred Stock, par value $0.01 per share (the “Series A Preferred Stock”),
automatically converted into an aggregate of 8.2 million shares of the Company’s common stock, par value $0.01
per share, in accordance with the terms and conditions of the Series A Preferred Stock and are no longer
outstanding. The Series A Preferred Stock had a carrying value of $147.4 million that was transferred from
preferred stock to additional paid-in capital in 2011. The shares of Series A Preferred Stock were originally
issued in connection with the acquisition of MSG.

(8)

Income Taxes

Income before taxes for the years ended December 31 consisted of the following:

U.S. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Foreign . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$44,362
1,493

(In thousands)
$18,593
3,359

$43,093
6,320

2009

2010

2011

$45,855

$21,952

$49,413

The provision (benefit) for income taxes for the years ended December 31 consisted of the following:

Current:

U.S. Federal
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
State . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Foreign . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$ (262)
333
—

$ — $ —
372
—

741
—

2009

2010

2011

(In thousands)

Deferred:

U.S. Federal
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
State . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Foreign . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

71

741

372

16,574
1,661
(249)

17,986

5,963
638
1,101

7,702

14,802
1,517
858

17,177

$18,057

$8,443

$17,549

72

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

MOBILE MINI, INC.

The components of the net deferred tax liability at December 31 are approximately as follows:

2010

2011

(In thousands)

Deferred tax assets:

Net operating loss carryforwards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Deferred revenue and expenses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Accrued compensation and other benefits . . . . . . . . . . . . . . . . . . . . . . . . .
Allowance for doubtful accounts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Other . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$ 124,862
5,564
1,755
696
5,442

$ 135,137
5,703
1,744
797
3,917

Total deferred tax assets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Valuation allowance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

138,319
(1,358)

147,298
(1,233)

Net deferred tax assets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

136,961

146,065

Deferred tax liabilities:

Accelerated tax depreciation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Accelerated tax amortization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Other . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

(286,980)
(4,772)
(10,776)

(308,754)
(8,029)
(12,832)

Total deferred tax liabilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

(302,528)

(329,615)

Net deferred tax liabilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$(165,567)

$(183,550)

A deferred U.S. tax liability has not been provided on the undistributed earnings of certain foreign
subsidiaries because it is Mobile Mini’s intent to permanently reinvest such earnings. Undistributed earnings of
foreign subsidiaries, which have been, or are intended to be, permanently invested, aggregated approximately
$3.2 million and $9.5 million as of December 31, 2010 and 2011, respectively. A net deferred tax liability of
approximately $11.9 million and $12.8 million related to the Company’s U.K. and The Netherlands operations
have been combined with the net deferred tax liabilities of its U.S. operations in the Consolidated Balance Sheets
at December 31, 2010 and 2011, respectively.

A reconciliation of the U.S. federal statutory rate to Mobile Mini’s effective tax rate for the years ended

December 31 is as follows:

U.S. federal statutory rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
State taxes, net of federal benefit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Non deductible expenses and other . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Change in valuation allowance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Adjustment of net deferred tax liability for enacted tax rate change . . . . . . . . . .
Foreign rate differential . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2009

2010

2011

35.0% 35.0% 35.0%
3.5
3.5
3.5
0.6
0.7
1.0
1.1
—
—
— (1.7)
—
(1.9)
(0.1)

(1.8)

39.4% 38.5% 35.5%

At December 31, 2011, Mobile Mini had a U.S. federal net operating loss carryforward of approximately
$324.7 million, which expires if unused from 2012 to 2031. At December 31, 2011, the Company had net
operating loss carryforwards in the various states in which it operates totaling $220.2 million, which expire if
unused from 2012 to 2031. At December 31, 2010 and 2011, the Company’s deferred tax assets do not include
$8.5 million and $8.8 million of excess tax benefits from employee stock option exercises that are a component
of its net operating loss carryforward. Additional paid in capital will be increased by an equivalent amount if and

73

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

MOBILE MINI, INC.

when such excess tax benefits are realized. Management evaluates the ability to realize its deferred tax assets on
a quarterly basis and adjusts the amount of its valuation allowance if necessary. In 2010, the Company recorded a
valuation allowance of $0.2 million related to various state net operating losses that expired in 2010 and in 2011.
Accelerated tax amortization primarily relates to amortization of goodwill for income tax purposes.

Mobile Mini adopted a two-step approach to recognizing and measuring uncertain tax positions. The first
step is to evaluate the tax position for recognition by determining if the weight of available evidence indicates
that it is more likely than not that the position will be sustained on audit, including resolution of related appeals
or litigation process, if any. The second step is to measure the tax benefit as the largest amount that is more than
50% likely of being realized upon ultimate settlement.

The Company files U.S. federal tax returns, U.S. state tax returns, and foreign tax returns. The Company has
identified its U.S. Federal tax return as its “major” tax jurisdiction. For the U.S. Federal return, the Company’s
tax years for 2008, 2009 and 2010 are subject to tax examination by the U.S. Internal Revenue Service through
September 15, 2012, 2013 and 2014, respectively. No reserves for uncertain income tax positions have been
recorded. The Company does not anticipate that the total amount of unrecognized tax benefit related to any
particular tax position will change significantly within the next 12 months.

In July 2011, the U.K.’s government finalized a reduction of the corporate income tax rate from the
statutory rate of 27% to 26% for the remainder of 2011, and 25% beginning April 2012, affecting the Company’s
U.K. operations. This change reduced the Company’s deferred tax liability in the United Kingdom by
approximately $1.0 million during 2011 as the taxes are reflected at the enacted rate in effect at the estimated
date such amounts will be payable. The benefit of this rate change has been included in the 2011 tax provision.

The Company’s policy for recording interest and penalties associated with audits is to record such items as a
component of income before taxes. Penalties and associated interest costs are recorded in leasing, selling and
general expenses in its Consolidated Statements of Income.

As a result of stock ownership changes during the years presented, it is possible that the Company has
undergone a change in ownership for federal income tax purposes, which can limit the amount of net operating
loss currently available as a deduction. Management has determined that even if such an ownership change has
occurred, it would not impair the realization of the deferred tax asset resulting from the federal net operating loss
carryover.

Mobile Mini paid income taxes of approximately $0.9 million, $0.8 million and $0.8 million in 2009, 2010
and 2011, respectively. These amounts are lower than the recorded expense in the years due to net operating loss
carryforwards and general business credit utilization.

(9) Transactions with Related Persons

When Mobile Mini was a private company prior to 1994, it leased some of its properties from entities
originally controlled by its founder, Richard E. Bunger, and his family members. These related party leases
remain in effect. The Company leases a portion of the property comprising its Phoenix, Arizona location and the
property comprising its Tucson, Arizona location from entities owned by Steven G. Bunger and his siblings.
Steven G. Bunger is Mobile Mini’s President and Chief Executive Officer and has served as its Chairman of the
Board since February 2001. Annual lease payments under these leases totaled approximately $178,000, $202,000
and $205,000 in 2009, 2010 and 2011, respectively. The term of each of these leases expire on December 31,
2013. Mobile Mini leases its Rialto, California facility from Mobile Mini Systems, Inc., a corporation wholly

74

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

MOBILE MINI, INC.

owned by Barbara M. Bunger, the mother of Steven G. Bunger. Annual lease payments in 2009, 2010 and 2011
under this lease were approximately $307,000, $317,000 and $323,000, respectively. The Rialto lease expires on
April 1, 2016. Management believes that the rental rates reflect the fair market rental value of these properties or
were less than the fair market rental value. The terms of these related persons lease agreements have been
reviewed and approved by the independent directors who comprise a majority of the members of the Company’s
Board of Directors.

It is Mobile Mini’s intention not to enter into any additional related person transactions other than

extensions of these lease agreements.

(10) Share-Based Compensation

The Company awarded stock options and nonvested share-awards under

the existing share-based
compensation plans. The majority of these options and nonvested share-awards vest in equal annual installments
over a four to five year period. The total value of these options and nonvested share-awards is expensed on a
straight-line basis over the service period of the employees receiving the grants. The “service period” is the time
during which the employees receiving grants must remain employees for the shares granted to fully vest.

The Company also grants its executive officers stock options and nonvested share-awards with vesting
subject to performance conditions. Vesting for these grants is dependent upon the officers fulfilling the service
period requirements, as well as the Company meeting certain EBITDA targets in each of the performance periods
(three to four years) after the grant is awarded. The Company is required to assess the probability that such
performance conditions will be met. If the likelihood of the performance condition being met is deemed
probable,
the Company will recognize the expense using accelerated attribution method. The accelerated
attribution method could result in as much as 50% of the total value of the shares being recognized in the first
year of the service period if each of the future performance period targets is assessed as probable of being met. In
the share-based compensation expense was reduced by $1.4 million, and $0.4 million,
2009 and 2010,
respectively,
to
performance conditions. There was no adjustment in 2011 for share-based compensation expense related to
nonvested share-awards with vesting subject to performance conditions.

to reflect anticipated shortfalls related to nonvested share-awards with vesting subject

Share-based payment expense related to the vesting of options and nonvested share-awards was
approximately $4.3 million, $5.8 million and $5.9 million for 2009, 2010 and 2011, respectively. As of
December 31, 2011, the unrecognized compensation cost related to nonvested share-awards was approximately
$17.2 million, which is expected to be recognized over a weighted-average period of approximately 3.1 years. As
of December 31, 2011, total unrecognized compensation cost related to stock option awards was approximately
$4.0 million and the related weighted-average period over which it is expected to be recognized is approximately
3.1 years.

The cash flows resulting from the tax benefits arising from tax deductions in excess of the compensation
cost recognized from the exercise of stock options (excess tax benefits) are classified as financing cash flows. As
of December 31, 2011,
the Company had no tax benefits arising from tax deductions in excess of the
compensation cost recognized because the benefit has not been “realized” given that the Company currently has
net operating loss carryforwards and follow the with-and-without approach with respect to the ordering of tax
benefits realized.

75

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

MOBILE MINI, INC.

The following table summarizes the share-based compensation expense and capitalized amounts for the

years ending December 31:

Gross share-based compensation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Capitalized share-based compensation . . . . . . . . . . . . . . . . . . . . . . . . . .

$6,090
(308)

(In thousands)
$6,441
(149)

$6,615
(159)

Share-based compensation expense . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$5,782

$6,292

$6,456

2009

2010

2011

The following table summarizes the activities under the Company’s stock option plans for the years ended

December 31 (share amounts in thousands):

2009

2010

2011

. . . . .
Options outstanding, beginning of year
Granted . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Canceled/Expired . . . . . . . . . . . . . . . . . . . . . .
Exercised . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Weighted
Average
Exercise
Price

$ 17.32
—
(25.73)
(10.98)

Number of
Shares

1,853
—
(120)
(77)

Options outstanding, end of year . . . . . . . . . . .

1,656

$ 17.01

Options exercisable, end of year . . . . . . . . . . .

1,461

$ 20.81

Options and awards available for grant, end of
year . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2,794

Weighted
Average
Exercise
Price

$ 17.01
19.76
(19.17)
(11.33)

Number of
Shares

1,618
351
(247)
(328)

$ 17.84

1,394

Weighted
Average
Exercise
Price

$17.84
18.17
17.46
16.12

$18.39

$ 17.34

847

$18.16

1,545

Number of
Shares

1,656
262
(140)
(160)

1,618

1,342

2,233

A summary of nonvested share-awards activity within the Company’s share-based compensation plans and

changes is as follows (share amounts in thousands):

Nonvested at January 1, 2009 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Awarded . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Released . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Forfeited . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Weighted
Average
Grant Date
Fair Value

$18.03

14.21
18.76
18.29

Shares

990

607
(297)
(87)

Nonvested at December 31, 2009 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1,213

$16.05

Awarded . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Released . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Forfeited . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

451
(341)
(100)

18.19
17.34
15.72

Nonvested at December 31, 2010 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1,223

$16.51

Awarded . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Released . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Forfeited . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

374
(348)
(69)

17.08
17.22
21.24

Nonvested at December 31, 2011 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1,180

$16.20

76

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

MOBILE MINI, INC.

The total fair value of nonvested share-awards vested in 2010 and 2011 were $5.9 million and $6.0 million,

respectively.

A summary of stock option activity, as of December 31, 2011, is as follows:

Outstanding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Vested and expected to vest . . . . . . . . . . . . . . . . . . . . . . . . . .
Exercisable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Weighted
Average
Remaining
Contractual
Term
(In Years)

5.94
5.84
3.57

Weighted
Average
Exercise
Price

$18.39
$18.35
$18.16

Aggregate
Intrinsic
Value

(In thousands)
$2,345
$2,341
$2,345

Number of
Shares

(In thousands)
1,394
1,346
847

The aggregate intrinsic value of options exercised during the period ended December 31, 2009, 2010 and

2011 was $0.4 million, $1.0 million and $0.8 million, respectively.

The fair value of each stock option award is estimated on the date of the grant using the Black-Scholes

option pricing model. The following are the key assumptions used for the period noted:

Risk-free interest rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Expected life of the options (years)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Expected stock price volatility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Expected dividend rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2010

2011

2.1% 1.0%
5.0
45.0% 42.0%

5.0

—

—

The Black-Scholes option valuation model was developed for use in estimating the fair value of short-traded
options that have no vesting restrictions and are fully transferable. In addition, option valuation models require
the input of assumptions including expected stock price volatility. The risk-free interest rate is based on the
U.S. Treasury security rate in effect at the time of the grant. The expected life of the options and volatility rates
are based on our historical data. We do not anticipate paying a dividend, and therefore no expected dividend
yield was used.

The weighted average fair value of stock options granted was $8.23 and $6.84 for 2010 and 2011,

respectively. Mobile Mini did not grant stock options under the share-based compensation plan during 2009.

(11) Benefit Plans

Stock Option and Equity Incentive Plans

In August 1994, Mobile Mini’s Board of Directors adopted the Mobile Mini, Inc. 1994 Stock Option Plan,
which was amended in 1998 (the “1994 Plan”) and expired (with respect to granting additional options) in 2003.
At December 31, 2011, there were no outstanding options to acquire shares under the 1994 Plan. In August 1999,
the Company’s Board of Directors approved the Mobile Mini, Inc. 1999 Stock Option Plan (the “1999 Plan”),
which expired (with respect to granting additional options) in August 2009. As of December 31, 2011, there were
outstanding options to acquire 0.8 million shares under the 1999 Plan. Both plans and amendments were
approved by the stockholders at annual meetings. Awards granted under the 1999 Plan may be incentive stock
options, which are intended to meet the requirements of Section 422 of the Internal Revenue Code, nonstatutory
stock options or shares of restricted stock awards. Incentive stock options may be granted to the Company’s

77

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

MOBILE MINI, INC.

officers and other employees. Nonstatutory stock options may be granted to directors and employees, and to
non-employee service providers and nonvested share-awards may be made to officers and other employees.

In February 2006, Mobile Mini’s Board of Directors approved the 2006 Equity Incentive Plan (the “2006
Plan”) that was subsequently approved by the stockholders at the Company’s 2006 Annual Meeting. At the
Annual Stockholders’ Meeting in June 2009, the stockholders approved an amendment to the 2006 Plan to
increase the maximum number of shares that could be issued by an additional 3.0 million shares. The 2006 Plan
is an “omnibus” stock plan permitting a variety of equity programs designed to provide flexibility in
implementing equity and cash awards, including incentive stock options, nonqualified stock options, nonvested
share-awards, restricted stock units, stock appreciation rights, performance stock, performance units and other
stock-based awards. Participants in the 2006 Plan may be granted any one of the equity awards or any
combination of them, as determined by the Board of Directors or the Compensation Committee. The 2006 Plan,
as amended, has reserved 4.2 million shares of common stock for issuance. As of December 31, 2011, there were
outstanding options to acquire 0.6 million shares under the 2006 Plan.

The purpose of these plans is to attract and retain the best available personnel for positions of substantial
responsibility and to provide incentives to, and to encourage ownership of stock by, Mobile Mini’s management
and other employees. The Board of Directors believes that stock options and other share-based awards are
important to attract and to encourage the continued employment and service of officers and other employees and
encourage them to devote their best efforts to the Company’s business, thereby advancing the interest of its
stockholders.

The option exercise price for all options granted under these plans may not be less than 100% of the fair
market value of the common stock on the date of grant of the option (or 110% in the case of an incentive stock
option granted to an optionee beneficially owning more than 10% of the outstanding common stock). The
maximum option term is ten years (or five years in the case of an incentive stock option granted to an optionee
beneficially owning more than 10% of the outstanding common stock). Payment for shares purchased under
these plans is made in cash. Options may, if permitted by the particular option agreement, be exercised by
directing that certificates for the shares purchased be delivered to a licensed broker as agent for the optionee,
provided that the broker tenders to Mobile Mini, cash or cash equivalents equal to the option exercise price.

The plans are administered by the Compensation Committee of Mobile Mini’s Board of Directors. The
Compensation Committee is comprised of independent directors. They determine whether options will be
granted, whether options will be incentive stock options, nonstatutory option, restricted stock, or performance
stock, which officers, employees and service providers will be granted options, the vesting schedule for options
and the number of options to be granted. Each outstanding option must expire no more than ten years from the
date it was granted, unless exercised or forfeited before the expiration date, and are granted with vesting periods
ranging from 3 to 4.5 years. Each non-employee director serving on the Company’s Board of Directors receives
an automatic award of shares of Mobile Mini’s common stock equivalent to $82,500 based on the closing price
of the Company’s common stock on August 1 of that year, or the following trading day if August 1 is not a
trading day. These awards vest 100% when granted.

The Board of Directors may amend the plans at any time, except

that approval by Mobile Mini’s
stockholders may be required for an amendment that increases the aggregate number of shares which may be
issued pursuant to each plan, changes the class of persons eligible to receive incentive stock options, modifies the
period within which options may be granted, modifies the period within which options may be exercised or the
terms upon which options may be exercised, or increases the material benefits accruing to the participants under
each plan. The Board of Directors may terminate or suspend the plans at any time. Unless previously terminated,

78

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

MOBILE MINI, INC.

the 2006 Plan will expire in February 2016. Any option granted under a plan will continue until the option
expiration date, notwithstanding earlier termination of the plan under which the option was granted.

In 2005,

the Company began awarding nonvested share-awards under

the existing share-based
compensation plans. These nonvested share-awards vest in equal annual installments on each of the first four or
five annual anniversaries of the award date, unless the person to whom the award was made is not then employed
by Mobile Mini (or one of its subsidiaries). In 2009 and 2010, certain officers of the Company received
performance based nonvested share-awards. In 2011, the Company awarded certain of its officers performance
based stock options. The Company did not grant performance based shares in 2008. If employment terminates,
the shares are forfeited by the former employee.

In June 2008, in conjunction with the Merger and the hiring of Mobile Storage Group’s employees, the
Company awarded nonvested share-awards for an aggregate of 157,535 shares with an aggregate fair value of
$3.2 million. These awards vest over a period of between one and five years. The total value of these awards is
expensed on a straight-line basis over the service period.

401(k) and Retirement Plans

In 1995, the Company established a contributory retirement plan in the U.S., the 401(k) Plan, covering
eligible employees with at least one year of service. The 401(k) Plan is designed to provide tax-deferred
retirement benefits to employees in accordance with the provisions of Section 401(k) of the Internal Revenue
Code.

The 401(k) Plan provides that each participant may annually contribute a fixed amount or a percentage of
his or her salary, not to exceed the statutory limit. Mobile Mini may make a qualified non-elective contribution in
an amount it determines. Under the terms of the 401(k) Plan, Mobile Mini may also make discretionary profit
sharing contributions. Profit sharing contributions are allocated among participants based on their annual
compensation. Each participant has the right to direct the investment of their funds among certain named plans.
Mobile Mini can contribute 25% of its employees’ first 4% of contributions up to a maximum of $2 thousand per
employee. The Company has a similar plan as governed and regulated by Canadian law, where the Company
makes matching contributions with the same limitations as its 401(k) plan, to its Canadian employees.

In the U.K., the Company’s employees are covered by one of two separate defined contribution programs.
The employees become eligible to participate in the programs once any initial employment probationary period is
completed. The plans are designed as retirement benefit programs into that which the Company pays a
contribution of either 5% or 7% of the employees’ annual salary into the plan. Depending on the plan, employees
contribute either 0% or 2.5% of their annual salary into the plan and have the right to make further contributions
if they so elect. The participants have the right to direct the investment of their funds among certain named plans.
Annual charges are deducted from each employee’s fund to cover the administrative costs of these programs.

In The Netherlands,

the Company’s employees are covered by a defined contribution program. All
employees become eligible after one month of employment. Contributions are based on a pre-defined percentage
of the employee’s earnings. The percentage contribution is based on the employee’s age, with two-thirds of the
contribution made by the Company and one-third made by the employee. The administrative costs for this plan
are deducted by the administrative agent from the contributions and the investment earnings.

Mobile Mini did not make any contributions to the retirement plan in the U.S. in 2010 or in 2011.

79

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

MOBILE MINI, INC.

Mobile Mini made contributions to the U.S., Canadian and European plans of approximately $0.5 million in
2009 and to the Canadian and European plans of approximately $0.3 million in both 2010 and in 2011. The
Company incurred approximately $26,100, $26,500 and $30,600 in 2009, 2010 and 2011, respectively, for
administrative costs for these programs.

(12) Commitments and Contingencies

Leases

As discussed more fully in Note 9, Mobile Mini is obligated under four noncancelable operating leases with
related parties. The Company also leases its corporate offices and other properties and operating equipment from
third parties under noncancelable operating leases. Rent expense under these agreements was approximately
$16.4 million, $18.0 million and $18.8 million for the years ended December 31, 2009, 2010 and 2011,
respectively.

As of December 31, 2011, contractual commitments associated with lease obligations are as follows (in

thousands):

Operating
Lease
Commitments

Restructuring
Related Lease
Commitments

Restructuring
Sub-lease
Income

(In thousands)

2012 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2013 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2014 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2015 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2016 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Thereafter . . . . . . . . . . . . . . . . . . . . . . . . . . .

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

$15,281
12,449
9,254
6,381
3,903
4,304

$51,572

$ 931
815
561
280
288
629

$3,504

$ (525)
(542)
(513)
—
—
—

$(1,580)

Total

$15,687
12,722
9,302
6,661
4,191
4,933

$53,496

Future minimum lease payments under restructured non-cancelable operating leases as of December 31,
2011, are included in accrued liabilities in the Consolidated Balance Sheet. See Note 14 for a further discussion
on restructuring related commitments.

Insurance

The Company maintains insurance coverage for its operations and employees with appropriate aggregate,
per occurrence and deductible limits as the Company reasonably determines is necessary or prudent with current
operations and historical experience. The majority of these coverages have large deductible programs which
allow for potential improved cash flow benefits based on its loss control efforts.

The Company’s employee group health insurance program is a self-insured program with an aggregate stop
loss limit. The insurance provider is responsible for funding all claims in excess of the calculated monthly
maximum liability. This calculation is based on a variety of factors including the number of employees enrolled
in the plan. This plan allows for some cash flow benefits while guarantying a maximum premium liability.
Actual results may vary from estimates based on the Company’s actual experience at the end of the plan policy
periods based on the carrier’s loss predictions and its historical claims data.

The Company’s worker’s compensation, auto and general liability insurance are purchased under large
deductible programs. The Company’s current per incident deductibles are: worker’s compensation $250,000,
auto $500,000 and general liability $100,000. The Company expenses the deductible portion of the individual
claims. However, the Company generally does not know the full amount of its exposure to a deductible in
connection with any particular claim during the fiscal period in which the claim is incurred and for which it must

80

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

MOBILE MINI, INC.

make an accrual for the deductible expense. The Company makes these accruals based on a combination of the
claims development experience of its staff and its insurance companies, and, at year end, the accrual is reviewed
and adjusted, in part, based on an independent actuarial review of historical loss data and using certain actuarial
assumptions followed in the insurance industry. A high degree of judgment is required in developing these
estimates of amounts to be accrued, as well as in connection with the underlying assumptions. In addition, the
Company’s assumptions will change as its loss experience is developed. All of these factors have the potential
for significantly impacting the amounts the Company has previously reserved in respect of anticipated deductible
expenses and the Company may be required in the future to increase or decrease amounts previously accrued.
Under the Company’s various insurance programs, it has collective reserves recorded in accrued liabilities of
$7.8 million and $5.5 million at December 31, 2010 and 2011, respectively.

As of December 31, 2011, in connection with the issuance of our insurance policies, Mobile Mini has

provided its various insurance carriers approximately $7.9 million in letters of credit.

General Litigation

The Company is a party to routine claims incidental to its business. Most of these routine claims involve
alleged damage to customers’ property while stored in units leased from Mobile Mini and damage alleged to
have occurred during delivery and pick-up of containers. The Company carries insurance to protect it against loss
from these types of claims, subject to deductibles under the policy. The Company does not believe that any of
these incidental claims, individually or in the aggregate, is likely to have a material adverse effect on its business
or results of operations.

(13) Acquisitions

The Company enters new markets in one of three ways: (i) a new branch start-up, (ii) through acquiring a
business consisting of the portable storage assets and related leases of other companies, or (iii) by establishing
greenfield operational yards which are new start-up locations that do not have all the overhead associated with a
fully-staffed new branch start-up. An acquisition generally provides the Company with cash flow which enables
the Company to immediately cover the overhead cost at a new branch. On occasion, the Company also purchases
portable storage businesses in areas where the Company has existing small branches either as part of multi-
market acquisitions or in order to increase the Company’s operating margins at those branches.

In December 2011, Mobile Mini acquired the portable storage assets and assumed certain liabilities of two
businesses, one pursuant to a stock purchase agreement of a business in Calgary, Canada, and the other pursuant
to an asset purchase agreement of a business in Huntsville, Alabama.

The accompanying consolidated financial statements include the operations of the acquired business from
the dates of acquisition. The acquisitions were accounted for as a purchase of the business with the purchased
assets and assumed liabilities recorded at their estimated fair values at the date of each acquisition. The aggregate
purchase price of the assets and operations acquired were $7.8 million.

81

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

MOBILE MINI, INC.

The fair value of the assets purchased and liabilities assumed has been allocated for the two businesses

acquired in the aggregate as follows at December 31, 2011 (in thousands):

Receivables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tangible assets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Intangible assets:

Customer lists . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Non-compete agreements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Goodwill . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Liabilities and other . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$ 384
4,174

174
50
3,408
(407)

$7,783

The purchase prices for the acquisitions have been allocated to the assets and liabilities assumed based upon
estimated fair values as of the acquisition dates and are subject to adjustment when additional information
concerning asset and liability valuations are finalized. The Company does not believe any adjustments to the
preliminary estimated fair values will have any material impact on the Company’s consolidated results of the
operations or financial position.

(14)

Integration, Merger and Restructuring Costs

In 2008, the Company completed the Merger by which MSG became a wholly-owned subsidiary of Mobile
Mini, Inc. In connection with the Merger, the Company recorded accruals for costs to be incurred to exit
overlapping Mobile Storage Group lease properties, property shut down costs, costs of Mobile Storage Group’s
severance agreements, costs for asset verification and for damaged assets.

In connection with the Merger,

the Company leveraged the combined fleet and restructured the
manufacturing operations and reduced overhead and capital expenditures for the lease fleet. In connection with
these activities, the Company recorded costs for severance agreements and recorded impairment charges to write
down certain assets previously used in conjunction with the manufacturing operations and inventories.

The following table details accrued integration, merger and restructuring obligations (included in accrued
liabilities in the Consolidated Balance Sheets) and related activity for the years ended December 31, 2009, 2010
and 2011:

Severance and
Benefits

Lease
Abandonment
Costs

Acquisition
Integration

Total

(In thousands)

Accrued obligations as of December 31, 2008 . . . . . . . . . . .
Integration, merger and restructuring expense . . . . . . . . . . .
Cash paid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Accrued obligations as of December 31, 2009 . . . . . . . . . . .
Integration, merger and restructuring expense . . . . . . . . . . .
Cash paid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Accrued obligations as of December 31, 2010 . . . . . . . . . . .
Integration, merger and restructuring expense . . . . . . . . . . .
Cash paid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$ 2,009
4,612
(6,156)

465
2,214
(2,679)

—
992
(992)

$ 8,411
33
(2,702)

5,742
—
(1,935)

3,807
—
(1,678)

$ 1,143
6,781
(7,921)

$ 11,563
11,426
(16,779)

3
1,800
(1,803)

—
369
(369)

6,210
4,014
(6,417)

3,807
1,361
(3,039)

Accrued obligations as of December 31, 2011 . . . . . . . . . . .

$ —

$ 2,129

$ — $ 2,129

82

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

MOBILE MINI, INC.

The following amounts are included in integration, merger and restructuring expense for the year ended

December 31:

Severance and benefits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lease abandonment costs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Acquisition integration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Long-lived asset and inventory impairment charges . . . . . . . . . . . . . . .

2009

2010

2011

$ 4,612
33
6,781
(121)

(In thousands)
$2,214
—
1,800
—

$ 992
—
369
—

Integration, merger and restructuring expenses . . . . . . . . . . . . . . . . . . .

$11,305

$4,014

$1,361

(15) Other Comprehensive Loss

The components of accumulated other comprehensive loss, net of tax, were as follows at December 31:

Accumulated net unrealized loss on derivatives . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Foreign currency translation adjustment

$ (1,316)
(24,671)

$

—
(25,409)

Accumulated other comprehensive loss . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$(25,987)

$(25,409)

2010

2011

(In thousands)

(16) Segment Reporting

The Company has operations in North America, the U. K. and The Netherlands. The Company’s operating
segments are similarly defined geographically. All the Company’s branches operate in their local currency and
although the Company is exposed to foreign exchange rate fluctuation in other foreign markets where the
Company leases and sells the Company’s products, the Company does not believe this will have a significant
impact on the Company’s results of operations. Financial results of the three operating segments are aggregated
into two reportable segments, North America and Europe, based on quantitative thresholds.

In managing the Company’s business, management focuses on growing leasing revenues, particularly in
existing markets where it can take advantage of the operating leverage inherent in its business model, EBITDA
and EPS.

Discrete financial data on each of the Company’s products is not available and it would be impractical to

collect and maintain financial data in such a manner.

83

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

MOBILE MINI, INC.

Year Ended December 31,

2009

2010

2011

(In thousands)

Revenues:

North America:

Leasing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sales . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Other . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$283,106
31,329
1,742

$246,846
28,005
2,217

$262,449
37,841
2,434

Total North America . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$316,177

$277,068

$302,724

Europe:

Leasing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sales . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Other . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$ 50,415
7,276
593

$ 48,188
5,151
350

$ 56,414
5,001
289

Total Europe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$ 58,284

$ 53,689

$ 61,704

Total Revenue . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$374,461

$330,757

$364,428

Depreciation and amortization:

North America . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Europe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$ 31,562
7,520

$ 29,075
6,611

$ 28,606
7,059

Total depreciation and amortization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$ 39,082

$ 35,686

$ 35,665

Operating income:

North America . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Europe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$ 99,734
5,684

$ 82,829
7,110

$ 87,409
9,687

Total operating income . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$105,418

$ 89,939

$ 97,096

Interest expense:

North America . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Europe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$ 55,394
4,110

$ 54,345
2,085

$ 44,379
1,963

Total interest expense . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$ 59,504

$ 56,430

$ 46,342

Income tax provision (benefit):

North America . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Europe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$ 18,491
(434)

Total income tax provision . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$ 18,057

$

$

7,116
1,327

$ 16,533
1,016

8,443

$ 17,549

The tables below represent the Company’s revenues from customers and long-lived assets, consisting of

lease fleet and property, plant and equipment.

Revenue from external customers:

North America(1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Europe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$316,177
58,284

(In thousands)
$277,068
53,689

$302,724
61,704

Total revenues . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$374,461

$330,757

$364,428

2009

2010

2011

(1)

Includes revenues in the United States of $313.0 million, $273.9 million and $299.2 million for the fiscal
years 2009, 2010 and 2011, respectively.

84

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

MOBILE MINI, INC.

Long-lived assets:

North America(1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Europe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$1,002,675
136,813

(In thousands)
$ 973,953
135,181

$ 953,251
145,366

Total long-lived assets . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$1,139,488

$1,109,134

$1,098,617

2009

2010

2011

(1)

Includes long-lived assets of $988.9 million, $959.9 million and $936.5 million in the United States for the
fiscal years 2009, 2010 and 2011, respectively.

(17) Selected Consolidated Quarterly Financial Data (unaudited)

The following table sets forth certain unaudited selected consolidated financial information for each of the
four quarters in the years ended December 31, 2010 and 2011. In management’s opinion, this unaudited
consolidated quarterly selected information has been prepared on the same basis as the audited consolidated
financial statements and includes all necessary adjustments, consisting only of normal recurring adjustments,
which management considers necessary for a fair presentation when read in conjunction with the Consolidated
Financial Statements and notes. The Company believes these comparisons of consolidated quarterly selected
financial data are not necessarily indicative of future performance.

Quarterly EPS may not total to the fiscal year EPS due to the weighted average number of shares

outstanding at the end of each period reported and rounding.

First Quarter

Second Quarter Third Quarter

Fourth Quarter

(In thousands except earnings per share)

2010
Leasing revenues . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Total revenues . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Gross profit on sales . . . . . . . . . . . . . . . . . . . . . . . . .
Income from operations(1) . . . . . . . . . . . . . . . . . . . .
Net income(1)(2) . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Earnings per share:
Basic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Diluted(1)(2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2011
Leasing revenues . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Total revenues . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Gross profit on sales . . . . . . . . . . . . . . . . . . . . . . . . .
Income from operations(3) . . . . . . . . . . . . . . . . . . . .
Net income(3)(4) . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Earnings per share:
Basic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Diluted(3)(4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$70,179
76,878
2,224
18,560
2,410

$

$

0.06

0.06

$72,679
82,859
3,393
20,752
4,151

$

$

0.09

0.09

$72,911
81,843
2,717
21,827
4,779

$

$

0.11

0.11

$78,422
90,523
4,438
24,541
7,942

$

$

0.18

0.18

$75,599
84,617
2,919
23,725
5,469

$

$

0.13

0.12

$82,635
95,141
4,085
24,754
9,731

$

$

0.22

0.22

$76,345
87,419
3,299
25,827
851

$

$

0.02

0.02

$85,127
95,905
3,856
27,049
10,040

$

$

0.23

0.23

(1)

Includes integration, merger and restructuring expenses of $4.0 million ($2.5 million after tax), or $0.06 per
diluted share during the fiscal year 2010 and, one-time expenses of $0.3 million ($0.2 million after tax),
with no effect to earnings per diluted share, for fiscal year 2010.

85

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

MOBILE MINI, INC.

(2)

(3)

Includes debt restructuring expense and deferred financing costs write-off of $11.5 million ($7.1 million
after tax), or $0.16 per diluted share, for fiscal year 2010.

Includes integration, merger and restructuring expenses of $1.4 million ($0.9 million after tax), or $0.02 per
diluted share, one-time expenses of $1.4 million ($0.9 million after tax), or $0.02 per diluted share, and
acquisition costs of $0.6 million ($0.4 million after tax), or $0.01 per diluted share, for the fiscal year 2011.

(4)

Includes debt restructuring expense of $1.3 million ($0.8 million after tax), or $0.02 per diluted share, and
an income tax benefit of $1.0 million, or $0.02 per diluted share, for the fiscal year 2011.

(18) Condensed Consolidating Financial Information

Mobile Mini Supplemental Indenture

The following tables present the condensed consolidating financial information of Mobile Mini, Inc.,
representing the subsidiaries of the Guarantors of the Senior Notes and the Non-Guarantor Subsidiaries. Separate
financial statements of the subsidiary guarantors are not presented because the guarantee by each 100% owned
subsidiary guarantor is full and unconditional, joint and several, and management has determined that such
information is not material to investors.

86

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

MOBILE MINI, INC.

MOBILE MINI, INC.

CONDENSED CONSOLIDATING BALANCE SHEETS
As of December 31, 2010

Guarantors

Guarantors Eliminations Consolidated

Non-

(In thousands)

ASSETS
Cash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Receivables, net . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inventories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lease fleet, net . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Property, plant and equipment, net
. . . . . . . . . . . . . . . . . . . .
Deposits and prepaid expenses . . . . . . . . . . . . . . . . . . . . . . .
Other assets and intangibles, net
. . . . . . . . . . . . . . . . . . . . . .
Goodwill
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Intercompany . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$

1,065
31,496
17,812
909,715
64,238
7,334
19,856
447,278
106,500

$

569
11,182
1,806
118,688
16,493
1,071
3,622
64,141
35,788

$

1,634
— $
42,678
—
(49)
19,569
— 1,028,403
80,731
—
8,405
—
23,478
—
511,419
—
—
(142,288)

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

$1,605,294

$253,360

$(142,337) $1,716,317

LIABILITIES AND STOCKHOLDERS’ EQUITY

Liabilities:
Accounts payable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Accrued liabilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lines of credit
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Notes payable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Obligations under capital leases . . . . . . . . . . . . . . . . . . . . . .
Senior Notes, net of discount . . . . . . . . . . . . . . . . . . . . . . . . .
Deferred income taxes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Intercompany . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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

Commitments and contingencies
Convertible preferred stock . . . . . . . . . . . . . . . . . . . . . . . . . .
Stockholders’ equity:
Common stock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Additional paid-in capital
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Retained earnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Accumulated other comprehensive income (loss) . . . . . . . . .
Treasury stock, at cost . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$

8,604
46,215
358,232
289
2,576
371,655
154,335
23

941,929

$

5,003
3,061
38,650
—
—
—
11,926
4,658

63,298

$

— $
—
—
—
—
—
(694)
(4,681)

(5,375)

13,607
49,276
396,882
289
2,576
371,655
165,567
—

999,852

147,427

—

—

147,427

390
349,693
205,131
24
(39,300)

18,434
119,173
78,466
(26,011)
—

(18,434)
(119,173)
645
—
—

390
349,693
284,242
(25,987)
(39,300)

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

515,938

190,062

(136,962)

569,038

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

$1,605,294

$253,360

$(142,337) $1,716,317

87

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

MOBILE MINI, INC.

MOBILE MINI, INC.

CONDENSED CONSOLIDATING BALANCE SHEETS
As of December 31, 2011

Guarantors

Guarantors Eliminations Consolidated

Non-

(In thousands)

ASSETS
Cash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Receivables, net . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inventories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lease fleet, net . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Property, plant and equipment, net
. . . . . . . . . . . . . . . . . . . .
Deposits and prepaid expenses . . . . . . . . . . . . . . . . . . . . . . .
Other assets and intangibles, net
. . . . . . . . . . . . . . . . . . . . . .
Goodwill
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Intercompany . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$

1,840
34,529
19,097
886,411
63,189
6,167
14,166
447,442
113,484

$

1,020
12,573
1,755
132,331
16,686
1,171
2,696
67,027
49,512

$

2,860
— $
47,102
—
(49)
20,803
— 1,018,742
79,875
—
7,338
—
16,862
—
514,469
—
—
(162,996)

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

$1,586,325

$284,771

$(163,045) $1,708,051

LIABILITIES AND STOCKHOLDERS’ EQUITY

Liabilities:
Accounts payable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Accrued liabilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lines of credit
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Notes payable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Obligations under capital leases . . . . . . . . . . . . . . . . . . . . . .
Senior Notes, net of discount . . . . . . . . . . . . . . . . . . . . . . . . .
Deferred income taxes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Intercompany . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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

Commitments and contingencies
Stockholders’ equity:
Common stock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Additional paid-in capital
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Retained earnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Accumulated other comprehensive income (loss) . . . . . . . . .
Treasury stock, at cost . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$

10,076
43,574
307,200
316
1,289
349,718
171,482
40

883,695

$ 10,773
2,795
37,949
—
—
—
12,824
11,473

$

— $
—
—
—
—
—
(756)
(11,513)

75,814

(12,269)

20,849
46,369
345,149
316
1,289
349,718
183,550
—

947,240

478
508,936
231,474
1,042
(39,300)

18,434
133,047
83,927
(26,451)
—

(18,434)
(133,047)
705
—
—

478
508,936
316,106
(25,409)
(39,300)

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

702,630

208,957

(150,776)

760,811

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

$1,586,325

$284,771

$(163,045) $1,708,051

88

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

MOBILE MINI, INC.

MOBILE MINI, INC.

CONDENSED CONSOLIDATING STATEMENTS OF INCOME
For the Year Ended December 31, 2009

Guarantors

Guarantors Eliminations Consolidated

Non-

(In thousands)

Revenues:

Leasing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sales . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Other . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$283,106
31,329
1,742

$50,415
7,297
593

$ —
(21)
—

$333,521
38,605
2,335

Total revenues . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

316,177

58,305

(21)

374,461

Costs and expenses:

Cost of sales . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Leasing, selling and general expenses . . . . . . . . . . . . . . . . .
Integration, merger and restructuring expenses . . . . . . . . . .
Depreciation and amortization . . . . . . . . . . . . . . . . . . . . . . .

20,163
154,261
10,457
31,562

Total costs and expenses . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

216,443

Income from operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Other income (expense):

Interest income . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Interest expense . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Dividend income . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Foreign currency exchange . . . . . . . . . . . . . . . . . . . . . . . . .

99,734

1,808
(55,394)
1,255
—

5,653
38,600
848
7,520

52,621

5,684

7
(5,896)
—
(88)

(21)
—
—
—

(21)

—

(1,786)
1,786
(1,255)
—

25,795
192,861
11,305
39,082

269,043

105,418

29
(59,504)
—
(88)

Income (loss) before provision for (benefit from) income

taxes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Provision for (benefit from) income taxes . . . . . . . . . . . . . . . .

47,403
18,491

(293)
(266)

(1,255)
(168)

45,855
18,057

Net income (loss) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$ 28,912

$

(27)

$(1,087)

$ 27,798

89

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

MOBILE MINI, INC.

MOBILE MINI, INC.

CONDENSED CONSOLIDATING STATEMENTS OF INCOME
For the Year Ended December 31, 2010

Guarantors

Guarantors Eliminations Consolidated

Non-

(In thousands)

Revenues:

Leasing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sales . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Other . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$246,846
28,005
2,217

$ 48,188
5,151
350

$ —
—
—

Total revenues . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

277,068

53,689

Costs and expenses:

Cost of sales . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Leasing, selling and general expenses . . . . . . . . . . . . . . . . .
Integration, merger and restructuring expenses . . . . . . . . . .
Depreciation and amortization . . . . . . . . . . . . . . . . . . . . . . .

18,305
142,861
3,998
29,075

Total costs and expenses . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

194,239

Income from operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Other income (expense):

Interest income . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Interest expense . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Dividend income . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Intercompany debt waiver . . . . . . . . . . . . . . . . . . . . . . . . . .
Debt restructuring expense . . . . . . . . . . . . . . . . . . . . . . . . .
Deferred financing costs write-off . . . . . . . . . . . . . . . . . . . .
Foreign currency exchange . . . . . . . . . . . . . . . . . . . . . . . . .

Income (loss) before provision for (benefit from) income

82,829

811
(54,345)
847
(98,442)
(11,024)
(525)
—

3,692
36,260
16
6,611

46,579

7,110

1
(2,896)
—
98,442
—
—
(9)

taxes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Provision for (benefit from) income taxes . . . . . . . . . . . . . . . .

(79,849)
7,429

102,648
1,104

—

—
—
—
—

—

—

(811)
811
(847)
—
—
—
—

(847)
(90)

$295,034
33,156
2,567

330,757

21,997
179,121
4,014
35,686

240,818

89,939

1
(56,430)
—
—
(11,024)
(525)
(9)

21,952
8,443

Net income (loss) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$ (87,278) $101,544

$(757)

$ 13,509

90

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

MOBILE MINI, INC.

MOBILE MINI, INC.

CONDENSED CONSOLIDATING STATEMENTS OF INCOME
For the Year Ended December 31, 2011

Guarantors

Guarantors Eliminations Consolidated

Non-

(In thousands)

Revenues:

Leasing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sales . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Other . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$262,340
37,841
2,434

$56,523
5,307
289

Total revenues . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

302,615

62,119

$ —
(306)
—

(306

$318,863
42,842
2,723

364,428

Costs and expenses:

Cost of sales . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Leasing, selling and general expenses . . . . . . . . . . . . . . . . .
Integration, merger and restructuring expenses . . . . . . . . . .
Depreciation and amortization . . . . . . . . . . . . . . . . . . . . . . .

23,488
162,086
1,059
28,594

Total costs and expenses . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

215,227

Income from operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Other income (expense):

Interest income . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Interest expense . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Dividend income . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Debt restructuring expense . . . . . . . . . . . . . . . . . . . . . . . . .
Foreign currency exchange . . . . . . . . . . . . . . . . . . . . . . . . .

87,388

517
(44,377)
881
(1,334)
—

3,888
41,150
302
7,071

52,411

9,708

—
(2,481)
—
—
(7)

Income (loss) before provision for (benefit from) income

taxes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Provision for (benefit from) income taxes . . . . . . . . . . . . . . . .

43,075
16,732

7,220
878

(306)
—
—
—

(306)

—

(517)
516
(881)
—
—

(882)
(61)

27,070
203,236
1,361
35,665

267,332

97,096

—
(46,342)
—
(1,334)
(7)

49,413
17,549

Net income (loss) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$ 26,343

$ 6,342

$(821)

$ 31,864

91

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

MOBILE MINI, INC.

MOBILE MINI, INC.

CONDENSED CONSOLIDATING STATEMENTS OF CASH FLOWS
For the Year Ended December 31, 2009

Guarantors

Guarantors Eliminations Consolidated

Non-

(In thousands)

$ 28,912

$

(27)

$ (1,087)

$ 27,798

Cash Flows From Operating Activities:

Net income (loss)
Adjustments to reconcile net income (loss) to net cash

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

provided by (used in) operating activities:

Provision for doubtful accounts . . . . . . . . . . . . . . . . . . . .
Amortization of deferred financing costs . . . . . . . . . . . . .
Amortization of debt issuance discount
. . . . . . . . . . . . . .
Amortization of long-term liabilities . . . . . . . . . . . . . . . .
Share-based compensation expense . . . . . . . . . . . . . . . . .
Depreciation and amortization . . . . . . . . . . . . . . . . . . . . .
Gain on sale of lease fleet units . . . . . . . . . . . . . . . . . . . . .
Loss on disposal of property, plant and equipment . . . . . .
Deferred income taxes . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Foreign currency loss . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Changes in certain assets and liabilities:

Receivables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inventories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Deposits and prepaid expenses . . . . . . . . . . . . . . . . . . . . .
Other assets and intangibles . . . . . . . . . . . . . . . . . . . . . . .
Accounts payable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Accrued liabilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Intercompany . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2,189
3,714
743
163
5,263
31,562
(10,586)
47
17,460
—

13,503
2,545
3,528
(103)
(1,850)
(16,127)
(8,652)

497
—
—
—
526
7,520
(1,065)
5
(247)
88

5,123
1,146
(116)
—
(4,443)
(2,099)
8,310

15
—
—
—
(7)
—
(10)
—
(12)
—

—
—
—
—
—
—
342

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

72,311

15,218

(759)

Cash Flows From Investing Activities:

Additions to lease fleet
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Proceeds from sale of lease fleet units . . . . . . . . . . . . . . . . . . .
Additions to property, plant and equipment . . . . . . . . . . . . . . .
Proceeds from sale of property, plant and equipment . . . . . . . .
Other . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

(13,140)
29,135
(7,059)
941
112

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

9,989

Cash Flows From Financing Activities:

Net (repayments) borrowings under lines of credit . . . . . . . . . .
Redemption of 9.75% senior notes due 2014 . . . . . . . . . . . . . .
Deferred financing costs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Proceeds from issuance of notes payable . . . . . . . . . . . . . . . . .
Principal payments on notes payable . . . . . . . . . . . . . . . . . . . .
Principal payments on capital lease obligations . . . . . . . . . . . .
Issuance of common stock, net . . . . . . . . . . . . . . . . . . . . . . . . .
Intercompany . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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

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

Net (decrease) increase in cash . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cash at beginning of year . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

(83,903)
(1,150)
(75)
1,272
(1,478)
(1,435)
800
(209)

(86,178)

2,252

(1,626)
2,208

(8,377)
4,353
(3,235)
311
—

(6,948)

(7,305)
—
—
—
(55)
1
—
(1,076)

(8,435)

347

182
976

Cash at end of year . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$

582

$ 1,158

$

—
7
—
—
—

7

10,331
—
—
—
—
(2)
—
1,285

11,614

(10,862)

—
—

—

92

2,701
3,714
743
163
5,782
39,082
(11,661)
52
17,201
88

18,626
3,691
3,412
(103)
(6,293)
(18,226)
—

86,770

(21,517)
33,495
(10,294)
1,252
112

3,048

(80,877)
(1,150)
(75)
1,272
(1,533)
(1,436)
800
—

(82,999)

(8,263)

(1,444)
3,184

$ 1,740

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

MOBILE MINI, INC.

MOBILE MINI, INC.

CONDENSED CONSOLIDATING STATEMENTS OF CASH FLOWS
For the Year Ended December 31, 2010

Cash Flows From Operating Activities:

Net (loss) income . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Adjustments to reconcile net income (loss) to net cash

(used in) provided by operating activities:

Debt restructuring expense . . . . . . . . . . . . . . . . . . . . . . . .
Deferred financing costs write-off
. . . . . . . . . . . . . . . . . .
Provision for doubtful accounts . . . . . . . . . . . . . . . . . . . .
Amortization of deferred financing costs . . . . . . . . . . . . .
. . . . . . . . . . . . . .
Amortization of debt issuance discount
Amortization of long-term liabilities . . . . . . . . . . . . . . . .
Share-based compensation expense . . . . . . . . . . . . . . . . .
Depreciation and amortization . . . . . . . . . . . . . . . . . . . . .
Gain on sale of lease fleet units . . . . . . . . . . . . . . . . . . . . .
Loss on disposal of property, plant and equipment . . . . . .
Deferred income taxes . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Foreign currency loss . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Changes in certain assets and liabilities:

Receivables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inventories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Deposits and prepaid expenses . . . . . . . . . . . . . . . . . . . . .
Other assets and intangibles . . . . . . . . . . . . . . . . . . . . . . .
Accounts payable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Accrued liabilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Intercompany . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Net cash (used in) provided by operating activities . . . . .

Cash Flows From Investing Activities:

Additions to lease fleet
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Proceeds from sale of lease fleet units . . . . . . . . . . . . . . . . . . .
Additions to property, plant and equipment . . . . . . . . . . . . . . .
Proceeds from sale of property, plant and equipment . . . . . . . .
Net cash provided by (used in) investing activities . . . . .

Cash Flows From Financing Activities:

Net repayments under lines of credit . . . . . . . . . . . . . . . . . . . . .
Proceeds from issuance of 7.875% senior notes due 2020 . . . .
Redemption of 9.75% senior notes due 2014 . . . . . . . . . . . . . .
Redemption premiums of 9.75% senior notes due 2014 . . . . . .
Deferred financing costs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Proceeds from issuance of notes payable . . . . . . . . . . . . . . . . .
Principal payments on notes payable . . . . . . . . . . . . . . . . . . . .
Principal payments on capital lease obligations . . . . . . . . . . . .
Issuance of common stock, net . . . . . . . . . . . . . . . . . . . . . . . . .
Intercompany . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Net cash provided by (used in) financing activities . . . . .
Effect of exchange rate changes on cash . . . . . . . . . . . . . . . . . . . .
Net increase (decrease) in cash . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cash at beginning of year . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cash at end of year . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

93

Guarantors

Guarantors Eliminations Consolidated

Non-

(In thousands)

$ (87,278)

$101,544

$

(757)

$ 13,509

11,024
525
1,368
3,693
673
219
5,723
29,075
(9,050)
25
6,625
—

(3,689)
2,366
1,263
(200)
(5)
(9,534)
34,809
(12,368)

(7,239)
25,675
(6,693)
68
11,811

(7,917)
200,000
(176,578)
(8,955)
(4,964)
466
(1,276)
(1,484)
1,861
—
1,153
(113)
483
582
1,065

$

$

—
—
524
—
—
53
569
6,611
(995)
9
1,102
9

(280)
140
223
—
(430)
(349)
(14,009)
94,721

(7,864)
3,185
(1,862)
81
(6,460)

(66,423)
—
—
—
—
—
(27)
(1)
—
(860)
(67,311)
(21,539)
(589)
1,158
569

—
—
—
—
—
—
—
—
—
—
9
—

—
—
—
—
—
—
(20,800)
(21,548)

—
—
—
—
—

11,024
525
1,892
3,693
673
272
6,292
35,686
(10,045)
34
7,736
9

(3,969)
2,506
1,486
(200)
(435)
(9,883)
—
60,805

(15,103)
28,860
(8,555)
149
5,351

(2,433)
—
—
—
—
—
—
—
—
860
(1,573)
23,121
—
—
— $

(76,773)
200,000
(176,578)
(8,955)
(4,964)
466
(1,303)
(1,485)
1,861
—
(67,731)
1,469
(106)
1,740
1,634

$

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

MOBILE MINI, INC.

MOBILE MINI, INC.

CONDENSED CONSOLIDATING STATEMENTS OF CASH FLOWS
For the Year Ended December 31, 2011

Cash Flows From Operating Activities:

Net income (loss)
Adjustments to reconcile net income (loss) to net cash

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

provided by (used in) operating activities:

Debt restructuring expense . . . . . . . . . . . . . . . . . . . . . . . .
Provision for doubtful accounts . . . . . . . . . . . . . . . . . . . .
Amortization of deferred financing costs . . . . . . . . . . . . .
. . . . . . . . . . . . . .
Amortization of debt issuance discount
Amortization of long-term liabilities . . . . . . . . . . . . . . . .
Share-based compensation expense . . . . . . . . . . . . . . . . .
Depreciation and amortization . . . . . . . . . . . . . . . . . . . . .
Gain on sale of lease fleet units . . . . . . . . . . . . . . . . . . . . .
Loss on disposal of property, plant and equipment . . . . . .
Deferred income taxes . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Foreign currency loss . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Changes in certain assets and liabilities, net of effect of

business acquired:

Receivables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inventories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Deposits and prepaid expenses . . . . . . . . . . . . . . . . . . . . .
Other assets and intangibles . . . . . . . . . . . . . . . . . . . . . . .
Accounts payable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Accrued liabilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Intercompany . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Net cash provided by (used in) operating activities . . . . .

Cash Flows From Investing Activities:

Cash paid for businesses acquired . . . . . . . . . . . . . . . . . . . . . . .
Additions to lease fleet, excluding acquisitions . . . . . . . . . . . .
Proceeds from sale of lease fleet units . . . . . . . . . . . . . . . . . . .
Additions to property, plant and equipment . . . . . . . . . . . . . . .
Proceeds from sale of property, plant and equipment . . . . . . . .
Net cash provided by (used in) investing activities . . . . .

Cash Flows From Financing Activities:

Net repayments under lines of credit . . . . . . . . . . . . . . . . . . . . .
Redemption of 9.75% senior notes due 2014 . . . . . . . . . . . . . .
Redemption premiums of 9.75% senior notes due 2014 . . . . . .
Proceeds from issuance of notes payable . . . . . . . . . . . . . . . . .
Principal payments on notes payable . . . . . . . . . . . . . . . . . . . .
Principal payments on capital lease obligations . . . . . . . . . . . .
Issuance of common stock, net . . . . . . . . . . . . . . . . . . . . . . . . .
Intercompany . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Net cash (used in) provided by financing activities . . . . .
Effect of exchange rate changes on cash . . . . . . . . . . . . . . . . . . . .
Net increase in cash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cash at beginning of year . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cash at end of year . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

94

Guarantors

Guarantors Eliminations Consolidated

Non-

(In thousands)

$ 26,343

$ 6,342

$(821)

$ 31,864

1,334
2,063
4,075
86
216
5,949
28,594
(12,721)
52
16,377
—

(5,105)
(1,285)
1,164
(33)
1,471
(894)
(6,374)
61,312

(821)
(13,585)
32,433
(8,421)
95
9,701

—
589
—
—
14
507
7,071
(1,079)
39
877
7

(1,695)
43
(97)
—
5,823
(294)
6,489
24,636

(6,962)
(16,239)
3,768
(3,077)
22
(22,488)

(51,032)
(22,272)
(1,086)
394
(367)
(1,288)
5,289
—
(70,362)
124
775
1,065
$ 1,840

(701)
—
—
—
—
—
—
(887)
(1,588)
(109)
451
569
$ 1,020

—
—
—
—
—
—
—
—
—
(43)
—

—
—
—
—
—
—
(115)
(979)

—
—
—
—
—
—

—
—
—
—
—
—
—
887
887
92
—
—
$ —

1,334
2,652
4,075
86
230
6,456
35,665
(13,800)
91
17,211
7

(6,800)
(1,242)
1,067
(33)
7,294
(1,188)
—
84,969

(7,783)
(29,824)
36,201
(11,498)
117
(12,787)

(51,733)
(22,272)
(1,086)
394
(367)
(1,288)
5,289
—
(71,063)
107
1,226
1,634
$ 2,860

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

FINANCIAL DISCLOSURE.

There were no disagreements with accountants on accounting and financial disclosure matters during the

periods reported herein.

ITEM 9A. CONTROLS AND PROCEDURES.

Controls and Procedures

As of the end of the period covered by this Annual Report, we carried out an evaluation, under the
supervision and with the participation of our management, including our Chief Executive Officer and our Chief
Financial Officer, of the effectiveness of the design and operation of our 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, our
Chief Executive Officer and our Chief Financial Officer concluded that, as of the end of the period covered by
this Annual Report on Form 10-K, the Company’s disclosure controls and procedures, were effective such that
the information relating to the Company required to be disclosed in our SEC reports (i) is recorded, processed,
summarized and reported within the time periods specified in the SEC’s rules and forms and (ii) is accumulated
and communicated to the Company’s management, including our Chief Executive Officer and our Chief
Financial Officer, as appropriate, to allow timely decisions regarding required disclosure.

Report of Management on Internal Control Over Financial Reporting

Our management is responsible for establishing and maintaining adequate internal control over financial
reporting for the company. Internal control over financial reporting is a process to provide reasonable assurance
regarding the reliability of our financial reporting for external purposes in accordance with accounting principles
generally accepted in the United States of America. Internal control over financial reporting includes maintaining
records that in reasonable detail accurately and fairly reflect our transactions; providing reasonable assurance that
transactions are recorded as necessary for preparation of our financial statements; providing reasonable assurance
that receipts and expenditures of company assets are made in accordance with management authorization; and
providing reasonable assurance that unauthorized acquisition, use, or disposition of company assets that could
have a material effect on our financial statements would be prevented or detected on a timely basis. Because of
its inherent limitations, internal control over financial reporting is not intended to provide absolute assurance that
a misstatement of our financial statements would be prevented or detected.

Management conducted an evaluation of the effectiveness of the Company’s internal control over financial
reporting based on the framework in Internal Control — Integrated Framework issued by the Committee of
Sponsoring Organizations of the Treadway Commission. Based on this evaluation, management concluded that
the Company’s internal control over financial reporting was effective as of December 31, 2011.

Our internal control over financial reporting as of December 31, 2011 has been audited by Ernst & Young,

LLP, an independent registered public accounting firm, as stated in their report which is included herein.

95

Report of Independent Registered Public Accounting Firm

The Board of Directors and Stockholders of
Mobile Mini, Inc.

We have audited Mobile Mini, Inc.’s internal control over financial reporting as of December 31, 2011,
based on criteria established in Internal Control — Integrated Framework issued by the Committee of Sponsoring
Organizations of the Treadway Commission (the COSO criteria). Mobile Mini, Inc.’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 the accompanying Report of Management on Internal
Control Over Financial Reporting. 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 based
on the assessed risk, 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, Mobile Mini, Inc. maintained, in all material respects, effective internal control over

financial reporting as of December 31, 2011, based on the COSO criteria.

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board
(United States), the consolidated balance sheets of Mobile Mini, Inc. as of December 31, 2011 and 2010, and the
related consolidated statements of income, preferred stock and stockholders’ equity, and cash flows for each of
the three years in the period ended December 31, 2011 of Mobile Mini, Inc. and our report dated February 29,
2012 expressed an unqualified opinion thereon.

/s/ Ernst & Young LLP

Phoenix, Arizona
February 29, 2012

96

Changes in Internal Control Over Financial Reporting

Under the supervision and with the participation of our management, including our Principal Executive
Officer and Principal Financial Officer, we conducted an evaluation of any changes in our internal control over
financial reporting (as such term is defined in Rules 13a-15(f) and 15d-15(f) under the Exchange Act) that
occurred during our most recently completed fiscal quarter. Based on that evaluation, our Principal Executive
Officer and Principal Financial Officer concluded that there has not been any change in our internal control over
financial reporting during that quarter that has materially affected, or is reasonably likely to materially affect, our
internal control over financial reporting.

ITEM 9B. OTHER INFORMATION.

None.

PART III

ITEM 10. DIRECTORS, EXECUTIVE OFFICERS AND CORPORATE GOVERNANCE.

Executive Officers of Mobile Mini, Inc.

Set forth below is information respecting the name, age and position with Mobile Mini of our 2011
executive officers. Information with respect to our directors and the nomination process is incorporated herein by
reference to information included in the Proxy Statement for our 2012 Annual Meeting of Stockholders, to be
filed with the SEC no later than 120 days following our fiscal year end (the “2012 Proxy Statement”).

Steven G. Bunger has served as our Chief Executive Officer, President and a director since April 1997, and
as our Chairman of the Board since February 2001. Mr. Bunger joined Mobile Mini in 1983 and initially worked
in our drafting and design department. He served in a variety of positions including dispatcher, salesperson and
advertising coordinator before joining management. He served as sales manager of our Phoenix branch and our
operations manager and Vice President of Operations and Marketing before becoming our Executive Vice
President and Chief Operating Officer in November 1995. He is also a director of Cavco Industries, Inc., one of
the nation’s largest producers of manufactured housing. Mr. Bunger graduated from Arizona State University
with a B.A. in Business Administration. Age 50.

Mark E. Funk has served as our Executive Vice President and Chief Financial Officer since November
2008. Prior to joining us, he was with Deutsche Bank Securities Inc. from September 1988 to November 2008,
most recently as Managing Director in its Structured Debt Group, where he had worked on numerous high profile
transactions. During his tenure at Deutsche Bank, Mr. Funk worked in their New York, London, Chicago and Los
Angeles offices. Prior to joining Deutsche Bank, Mr. Funk passed the certified public accountant examination
and was a senior auditor with KPMG. Mr. Funk earned a Bachelor of Science in Business Administration from
California State University Long Beach and an MBA from University of California, Los Angeles. Age 49.

Jody E. Miller has served as our Executive Vice President and Chief Operating Officer since January 2009.
Mr. Miller joined us in June 2008 as Senior Vice President, Southeastern Division from Mobile Storage Group.
He had been a Regional Vice President-Southeast Region and North Region since March 2004 with Mobile
Storage Group. Prior to that he had served as Regional Vice President of Rental Service Corporation, working
there from October 1988 to February 2004. Mr. Miller graduated from Central Missouri State University with a
degree in construction engineering. He has worked in the equipment leasing and portable storage industry for
21 years. Age 44.

Kyle G. Blackwell joined Mobile Mini in 1989 and has served in numerous capacities, currently as our
Senior Vice President, Eastern Division, since 2002 and as our Vice President, Operations from 1999 to 2000. He
also served as a Regional Manager from 1995 to 1999 and was engaged with the start-up of our Texas locations.
Age 48.

97

Ronald Halchishak joined Mobile Mini after the combination with Mobile Storage Group in June 2008 as
our Senior Vice President and Managing Director-Europe. He had been a Managing Director of Ravenstock
MSG since July 2007. Prior to that, from June 2003 to January 2007, he served as the Vice President of the
Mid-Atlantic for Nations Rent. From June 1991 to March 2001, Mr. Halchishak was Division President at Rental
Service Corporation. He graduated from Humboldt State University with a B.A. in political science and
psychology. Age 64.

Jon D. Keating has served as our Senior Vice President, Operations since January 2008. He joined Mobile
Mini in 1996 and also served as Vice President, Manufacturing from April 2005 to December 2007, a Regional
Manager from March of 2000 to April 2005 and from November of 1996 to March of 2000 as Branch Manager at
our Phoenix sales branch. Age 42.

Deborah K. Keeley has served as our Senior Vice President and Chief Accounting Officer since November
2005. From September 2005 to November 2005, she served as Senior Vice President. From June 2005 to
September 2005, she served as Senior Vice President and Controller. From August 1996 to June 2005 she served
as Vice President and Controller and from August 1995 as Controller. Prior to joining us, she was Corporate
Accounting Manager for Evans Withycombe Residential, an apartment developer, for six years. Ms. Keeley has
an Associates degree in Computer Science and received her Bachelors degree in Accounting from Arizona State
University. Age 47.

Ronald E. Marshall has served as our Senior Vice President, Central Division since October of 2003. From
June of 1999 to September of 2003 he was a Regional Manager for three of our regions beginning with the
Colorado/Utah and ending with the California/Arizona market. He was our Director-Acquisitions from February
of 1998 to May of 1999. He joined Mobile Mini, Inc. in February of 1997 as Branch Manager of Tucson,
Arizona. Prior to joining us, he was the General Manager of Pearce Distributing, a beverage distributorship in
Phoenix, Arizona. Age 61.

Christopher J. Miner has served as Senior Vice President and General Counsel since December 2008. He
joined Mobile Mini in June 2008 as Vice President and General Counsel. He was previously a partner at DLA
Piper from 2007 to 2008 and advised numerous corporate and financial institution clients on merger, acquisition
and capital markets transactions. Prior to that, he was a partner at Squire, Sanders & Dempsey, which he joined
in 2004. He was an attorney in New York and Europe with Davis Polk & Wardwell from 1999 to 2004 where he
specialized in corporate and securities law. Mr. Miner received a B.A. and a J.D. from Brigham Young
University. Age 40.

Information regarding our audit committee and our audit committee financial experts is incorporated herein

by reference to information included in the 2012 Proxy Statement.

Information required by Item 405 of Regulation S-K is incorporated herein by reference to information

included in the 2012 Proxy Statement.

We have adopted a Code of Business Conduct and Ethics that applies to our employees generally, and a
Supplemental Code of Ethics applicable to our Chief Financial Officer and Senior Financial Officers in
compliance with applicable rules of the SEC that applies to our principal executive officer, our principal financial
officer, and our principal accounting officer or controller, or persons performing similar functions. A copy of
these Codes is available free of charge on the “Investors” section of our web site at www.mobilemini.com. We
intend to satisfy any disclosure requirement under Item 5.05 of Form 8-K regarding an amendment to, or waiver
from, a provision of the Supplemental Code of Ethics by posting such information on our web site at the address
and location specified above.

98

ITEM 11. EXECUTIVE COMPENSATION.

Information with respect to executive compensation is incorporated herein by reference to information

included in the 2012 Proxy Statement.

ITEM 12. SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT AND

RELATED STOCKHOLDER MATTERS.

Equity Compensation Plan Information

We maintain the 1994 Stock Option Plan (the “1994 Plan”), the 1999 Stock Option Plan (the “1999 Plan”)
and the 2006 Equity Incentive Plan (the “2006 Plan”), pursuant to which we may grant equity awards to eligible
persons. The 1994 Plan expired in 2003 and no additional options may be granted thereunder and there are no
outstanding options subject to exercise at the end of 2011 pursuant thereto. The 1999 Plan expired in 2009 and no
additional options maybe granted thereunder and outstanding options continue to be subject to the terms of the
1999 Plan until their exercise or termination. The following table summarizes our equity compensation plan
information as of December 31, 2011. Information is included for both equity compensation plans approved by
our stockholders and equity plans not approved by our stockholders.

Plan Category

Common Shares
to be Issued Upon
Exercise of
Outstanding
Options, Warrants
and Rights
(a)

(In thousands)

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

Common Shares Remaining
Available for Future
Issuance Under Equity
Compensation Plans
(Excluding Shares
Reflected in Column (a)
(c)

(In thousands)

Equity compensation plans approved by
Mobile Mini stockholders(1) . . . . . . .
Equity compensation plans not approved
by Mobile Mini stockholders . . . . . . .

1,394

0

Totals . . . . . . . . . . . . . . . . . . . . . . . . . . .

1,394

$18.39

0

$18.39

1,545

0

1,545

(1) Of these shares, options to purchase 0.8 million shares were outstanding under the 1999 Plan and options to

purchase 0.6 million shares were outstanding under the 2006 Plan.

On December 31, 2011, the closing price of Mobile Mini’s common stock as reported by The NASDAQ

Stock Market was $17.45.

The information set forth in our 2012 Proxy Statement under the headings “Security Ownership of Certain

Beneficial Owners and Management” is incorporated herein by reference.

ITEM 13. CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS, AND DIRECTOR

INDEPENDENCE.

The information set forth in our 2012 Proxy Statement under the caption “Related Person Transactions” and

information relating to director independence is incorporated herein by reference.

ITEM 14. PRINCIPAL ACCOUNTING FEES AND SERVICES.

The information set forth in our 2012 Proxy Statement under the caption “Audit Committee Disclosure” is

incorporated herein by reference.

99

ITEM 15. EXHIBITS AND FINANCIAL STATEMENT SCHEDULES.

(a) Financial Statements:

PART IV

(1) The financial statements required to be included in this Annual Report are included in Item 8 of this

Annual Report.

(2) The following financial statement schedule for the years ended December 31, 2009, 2010 and 2011

is filed with our Annual Report on Form 10-K for fiscal year ended December 31, 2011.

Schedule II — Valuation and Qualifying Accounts

All other schedules have been omitted because they are not applicable or not required.

Exhibit
Number

2.1

3.1

3.2

3.3

3.4

3.5

3.6

4.1

4.2

4.3

Description

Agreement and Plan of Merger, dated as of February 22, 2008, among Mobile Mini, Inc., Cactus
Merger Sub, Inc., MSG WC Holdings Corp., and Welsh, Carson, Anderson & Stowe X, L.P.
(Incorporated by reference to Exhibit 2.1 to the Registrant’s Report on Form 8-K filed on
February 28, 2008).

Amended and Restated Certificate of Incorporation of Mobile Mini, Inc. (Incorporated by reference
to Exhibit 3.1 to the Registrant’s Report on Form 10-K for the fiscal year ended December 31, 1997).

Certificate of Amendment, dated July 20, 2000,
to the Amended and Restated Certificate of
Incorporation of the Registrant. (Incorporated by reference to Exhibit 3.1A to the Registrant’s Report
on Form 10-Q for the quarter ended June 30, 2000).

Certificate of Designation, Preferences and Rights of Series C Junior Participating Preferred Stock of
Mobile Mini, Inc., dated December 17, 1999. (Incorporated by reference to Exhibit A to Exhibit 1 to
the Registrant’s Registration Statement on Form 8-A filed on December 13, 1999).

Certificate of Amendment of the Amended and Restated Certificate of Incorporation of Mobile Mini,
Inc., dated June 26, 2008. (Incorporated by reference to Exhibit 3.2 to the Registrant’s Report on
Form 8-K filed on July 1, 2008).

Certificate of Designation of Mobile Mini, Inc. Series A Convertible Redeemable Participating
Preferred Stock, dated June 27, 2008. (Incorporated by reference to Exhibit 3.1 to the Registrant’s
Report on Form 8-K filed on July 1, 2008).

Amended and Restated By-laws of Mobile Mini, Inc., as amended and restated through May 2, 2007.
(Incorporated by reference to Exhibit 3.2 to the Registrant’s Report on Form 10-K for the fiscal year
ended December 31, 2007).

Form of Common Stock Certificate. (Incorporated by reference to Exhibit 4.1 of the Registrant’s
Report on Form 10-K for the fiscal year ended December 31, 2003).

Rights Agreement, dated as of December 9, 1999, between Mobile Mini, Inc. and Norwest Bank
Minnesota, NA, as Rights Agent. (Incorporated by reference to the Registrant’s Registration
Statement on Form 8-A filed on December 13, 1999).

Indenture dated as of May 7, 2007 among the Registrant, Law Debenture Trust Company of
New York, as Trustee, and Deutsche Bank Trust Company Americas, as Paying Agent and Registrar.
((Incorporated by reference to Exhibit 4.1 to the Registrant’s Registration Statement on Form S-4
filed on June 26, 2007) (the Mobile Mini Indenture)).

100

Exhibit
Number

4.4

4.5

4.6

4.7

4.8

10.1

10.2

10.3

10.4

10.5

10.6+

10.7

10.8

Description

Supplemental Indenture, dated as of June 27, 2008, among Mobile Mini, Inc., Mobile Storage Group,
Inc., A Better Mobile Storage Company, Mobile Storage Group (Texas), LP, the guarantors party to
the Mobile Mini
Indenture and Law Debenture Trust Company of New York, as trustee.
(Incorporated by reference to Exhibit 4.3 to the Registrant’s Report on Form 8-K filed on July 1,
2008).

Indenture, dated as of August 1, 2006, by and among Mobile Services Group, Inc., Mobile Storage
Group, Inc., the subsidiary guarantors named therein and Wells Fargo Bank, N.A., as trustee.
((Incorporated by reference to Exhibit 4.1 to Mobile Storage Group, Inc.’s Form S-4 filed on
September 18, 2007) (the MSG Indenture)).

Supplemental Indenture, dated as of June 27, 2008, among Mobile Mini, Inc., Mobile Mini of Ohio,
LLC, Mobile Mini, LLC, Mobile, LLC, Mobile Mini I, Inc., A Royal Wolf Portable Storage, Inc.,
Temporary Mobile Storage, Inc., Delivery Design Systems, Inc., Mobile Mini Texas Limited
Partnership, LLP, Mobile Storage Group, Inc., the guarantors party to the MSG Indenture and Wells
Fargo Bank, N.A., as trustee. (Incorporated by reference to Exhibit 4.1 to the Registrant’s Report on
Form 8-K filed on July 1, 2008).

Indenture, dated as of November 23, 2010, among the Registrant, the Guarantor parties thereto, Law
Debenture Trust Company of New York, as trustee, and Deutsche Bank Trust Company Americas, as
paying agent, registrar and transfer agent. (Incorporated by reference to Exhibit 4.1 to the
Registrant’s Report on Form 8-K filed on November 29, 2010).

Second Supplemental Indenture, dated as of November 22, 2010, among the Registrant,
the
Guarantor parties thereto and Wells Fargo Bank, N.A., as trustee. (Incorporated by reference to
Exhibit 4.2 to the Registrant’s Report on Form 8-K filed on November 29, 2010).

Mobile Mini, Inc. Amended and Restated 1994 Stock Option Plan. (Incorporated by reference to
Exhibit 10.3 of the Registrant’s Report on Form 10-K for the fiscal year ended December 31, 1997).

Mobile Mini, Inc. Amended and Restated 1999 Stock Option Plan (as amended through March 25,
2003). (Incorporated by reference to Appendix B of the Registrant’s Definitive Proxy Statement for
its 2003 annual meeting of shareholders, filed on April 11, 2003 under cover of Schedule 14A).

Form of Stock Option Grant Agreement. (Incorporated by reference to Exhibit 10.2.1 of the
Registrant’s Report on Form 10-K for the fiscal year ended December 31, 2004).

Mobile Mini, Inc. 2006 Equity Incentive Plan. (Incorporated by reference to Exhibit A of the
Registrant’s Definitive Proxy Statement for its 2009 annual meeting of shareholders filed on
April 30, 2009 under cover of Schedule 14A).

ABL Credit Agreement, dated June 27, 2008, between Mobile Mini, Deutsche Bank AG New York
Branch and other lenders party thereto. (Incorporated by reference to Exhibit 10.3 to the Registrant’s
Report on Form 8-K filed on July 1, 2008).

Schedules to the ABL Credit Agreement, dated June 27, 2008, between Mobile Mini, Deutsch Bank
AG New York Branch and other lenders party thereto. (Incorporated by reference to Exhibit 10.1 of
the Registrant’s Report on Form 10-Q for the quarter ended September 30, 2010).

First Amendment to ABL Credit Agreement, dated August 31, 2008, between Mobile Mini, certain
of its subsidiaries, Deutsche Bank AG New York Branch and the other lenders party thereto.
(Incorporated by reference to Exhibit 10.1 to the Registrant’s Report on Form 8-K filed on
September 4, 2008).

Schedules to the First Amendment to ABL Credit Agreement dated August 31, 2008, between
Mobile Mini, certain of its subsidiaries, Deutsche Bank AG New York Branch and the other lenders
party thereto. (Incorporated by reference to Exhibit 10.2 of the Registrant’s Report on Form 10-Q for
the quarter ended September 30, 2010).

101

Exhibit
Number

10.9

10.10

10.11

10.12

10.13

10.14

10.15

10.16

10.17

10.18

10.19

10.20

10.21

10.22

Description

Second Amendment to ABL Credit Agreement, dated August 18, 2010, between Mobile Mini,
certain of its subsidiaries, Deutsche Bank AG New York Branch and the other lenders party thereto.
(Incorporated by reference to Exhibit 10.1 of the Registrant’s Report on Form 8-K filed on
August 20, 2010).

Amended and Restated Employment Agreement dated as of May 28, 2008 by and between Mobile
Mini, Inc. and Steven G. Bunger. (Incorporated by reference to Exhibit 99.1 to the Registrant’s
Report on Form 8-K dated June 2, 2008).

2009 Amendment to Amended and Restated Employment Agreement effective as of January 1, 2009
by and between Mobile Mini, Inc. and Steven G. Bunger. (Incorporated by reference to Exhibit 10.8
of the Registrant’s Report on Form 10-K for the fiscal year ended December 31, 2009).

Employment Agreement dated as of September 30, 2008 by and between Mobile Mini, Inc. and
Lawrence Trachtenberg. (Incorporated by reference to Exhibit 10.1 to the Registrant’s Report on
Form 8-K filed on September 30, 2008).

Employment Agreement dated as of October 15, 2008 by and between Mobile Mini, Inc. and Mark
E. Funk. (Incorporated by reference to Exhibit 10.1 to the Registrant’s Report on Form 8-K filed on
October 17, 2008).

2009 Amendment to Amended and Restated Employment Agreement effective as of January 1, 2009
by and between Mobile Mini, Inc. and Mark E. Funk. (Incorporated by reference to Exhibit 10.11 of
the Registrant’s Report on Form 10-K for the fiscal year ended December 31, 2009).

Employment Agreement dated as of December 18, 2008 by and between Mobile Mini, Inc. and Jody
Miller. (Incorporated by reference to Exhibit 99.1 to the Registrant’s Report on Form 8-K filed on
December 23, 2008).

2009 Amendment to Amended and Restated Employment Agreement effective as of January 1, 2009
by and between Mobile Mini, Inc. and Jody Miller. (Incorporated by reference to Exhibit 10.13 of the
Registrant’s Report on Form 10-K for the fiscal year ended December 31, 2009).

Employment Agreement dated as of December 22, 2009 by and between Mobile Mini, Inc. and
Christopher J. Miner. (Incorporated by reference to Exhibit 99.1 to the Registrant’s Report on
Form 8-K filed on December 24, 2009).

Form of Indemnification Agreement between the Registrant and its Directors and Executive Officers.
(Incorporated by reference to Exhibit 10.20 to the Registrant’s Report on Form 10-Q for the quarter
ended June 30, 2004).

Escrow Agreement dated as of June 27, 2008, between Mobile Mini, Welsh, Carson, Anderson &
Stowe X, L.P. and Wells Fargo Bank, N.A. (Incorporated by reference to Exhibit 10.1 to the
Registrant’s Report on Form 8-K filed on July 1, 2008).

Stockholders Agreement dated as of June 27, 2008, between Mobile Mini and the certain
stockholders. (Incorporated by reference to Exhibit 10.2 to the Registrant’s Report on Form 8-K filed
on July 1, 2008).

Registration Rights Agreement, dated as of November 23, 2010, among the Registrant, the Guarantor
parties thereto, and the Initial Purchasers. (Incorporated by reference to Exhibit 4.2 to the
Registrant’s Report on Form 8-K filed on November 29, 2010).

Employment Agreement, dated as of July 5, 2011, by and between Mobile Mini, Inc., a Delaware
corporation, and Deborah Keeley. (Incorporated by reference to Exhibit 99.1 to the Registrant’s
Report in Form 8-K filed on July 7, 2011).

102

Exhibit
Number

10.23

21*

23.1*

23.2*

31.1*

31.2*

32.1**

Description

ABL Credit Agreement, dated February 22, 2012, between Mobile Mini, Deutsche Bank AG New
York Branch and other lenders party thereto. (Incorporated by reference to Exhibit 10.1 to the
Registrant’s Report on Form 8-K filed on February 28, 2012).

Subsidiaries of Mobile Mini, Inc.

Consent of Independent Registered Public Accounting Firm.

Consent of Independent Valuation Firm.

Certification of Chief Executive Officer pursuant to Item 601(b)(31) of Regulation S-K.

Certification of Chief Financial Officer pursuant to Item 601(b)(31) of Regulation S-K.

Certification of Chief Executive Officer and Chief Financial Officer pursuant to Item 601(b)(32) of
Regulation S-K.

101.INS*** XBRL Instance Document.

101.SCH*** XBRL Taxonomy Extension Schema Document.

101.CAL*** XBRL Taxonomy Extension Calculation Linkbase Document.

101.DEF*** XBRL Taxonomy Extension Definition Linkbase Document

101.LAB*** XBRL Taxonomy Extension Labels Linkbase Document.

101.PRE*** XBRL Taxonomy Extension Presentation Linkbase Document.

* Filed herewith.

** Furnished herewith.

*** Furnished herewith. In accordance with Rule 406T of Regulation S-T, the information in these exhibits shall
not be deemed to be “filed” for purposes of Section 18 of the Exchange Act, or otherwise subject to liability
under that section, and shall not be incorporated by reference into any registration statement, prospectus or
other document filed under the Securities Act of 1933, as amended, except as expressly set forth by specific
reference in such filing.

+

Certain confidential information contained in this exhibit was omitted by means of redacting a portion of the
text and replacing it with an asterisk. This exhibit has been filed separately with the Secretary of the SEC
without the redaction pursuant to Confidential Treatment Request under Rule 406 of the Securities Act.

103

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant

has duly caused this Annual Report to be signed on its behalf by the undersigned, thereunto duly authorized.

SIGNATURES

Date: February 29, 2012

MOBILE MINI, INC.

By:

/s/ Steven G. Bunger

Steven G. Bunger, President

Pursuant to the requirements of the Securities Exchange Act of 1934, this Annual Report has been signed by

the following persons on behalf of the registrant and in the capacities and on the dates indicated.

Date: February 29, 2012

By:

/s/ Steven G. Bunger

Steven G. Bunger
President, Chief Executive Officer and Director
(Principal Executive Officer)

Date: February 29, 2012

By:

/s/ Mark E. Funk

Mark E. Funk
Executive Vice President and Chief Financial Officer
(Principal Financial Officer)

Date: February 29, 2012

By:

/s/ Deborah K. Keeley

Deborah K. Keeley
Senior Vice President and Chief Accounting Officer
(Principal Accounting Officer)

Date: February 29, 2012

Date: February 29, 2012

Date: February 29, 2012

Date: February 29, 2012

Date: February 29, 2012

Date: February 29, 2012

Date: February 29, 2012

By:

By:

By:

By:

By:

By:

By:

/s/ James J. Martell

James J. Martell, Director

/s/ Jeffrey S. Goble

Jeffrey S. Goble, Director

/s/ Stephen A McConnell

Stephen A McConnell, Director

/s/ Frederick G. McNamee

Frederick G. McNamee, Director

/s/ Sanjay Swani

Sanjay Swani, Director

/s/ Lawrence Trachtenberg

Lawrence Trachtenberg, Director

/s/ Michael L. Watts

Michael L. Watts, Director

104

SCHEDULE II

MOBILE MINI, INC.
VALUATION AND QUALIFYING ACCOUNTS

For the Years Ended December 31,
2010

2009

2011

Allowance for doubtful accounts:

Balance at beginning of year . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Provision charged to expense . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Acquired through business acquisitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Write-offs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$ 7,193
2,701
623
(6,802)

$ 3,715
1,892
—
(3,183)

$ 2,424
2,652
—
(2,540)

Balance at end of year . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$ 3,715

$ 2,424

$ 2,536

(In thousands)

105

Exhibit
Number

21

23.1

23.2

31.1

31.2

32.1

INDEX TO EXHIBITS FILED HEREWITH

Description

Subsidiaries of Mobile Mini, Inc.

Consent of Independent Registered Public Accounting Firm.

Consent of Independent Valuation Firm.

Certification of Chief Executive Officer pursuant to Item 601(b)(31) of Regulation S-K.

Certification of Chief Financial Officer pursuant to Item 601(b)(31) of Regulation S-K.

Certification of Chief Executive Officer and Chief Financial Officer pursuant to Item 601(b)(32) of
Regulation S-K.

106

Free Cash Flow GAAP Reconciliation

Free cash flow is defined as net cash provided by operating activities, less net cash used in investing
activities, excluding acquisitions. Free cash flow is a non-GAAP financial measure and is not intended to replace
net cash provided by operating activities, the most directly comparable GAAP financial measure. We present free
cash flow because we believe it provides useful information regarding our liquidity and ability to meet our short-
term obligations. In particular, free cash flow indicates the amount of cash available after capital expenditures
for, among other things, investments in the Company’s existing businesses, debt service obligations and strategic
acquisitions.

The table below provides a reconciliation between net cash provided by operating activities and free cash

flow:

Years Ended December 31,

2007

2008

2009

2010

2011

Net cash provided by operating activities . . . . . . . . . . . . . . . . . . . . .

$ 91.3

($ in millions)
$ 86.8

$ 98.5

$ 60.8

$ 85.0

Additions to lease fleet, excluding acquisitions . . . . . . . . . . . . . . . .
Proceeds from sale of lease fleet units . . . . . . . . . . . . . . . . . . . . . . .
Additions to property, plant and equipment
. . . . . . . . . . . . . . . . . . .
Proceeds from sale of property, plant and equipment . . . . . . . . . . . .

(126.7)
16.2
(18.5)
0.1

(76.6)
28.3
(16.9)
0.5

(21.5)
33.4
(10.3)
1.3

(15.1)
28.9
(8.5)
0.1

Net capital (expenditures) proceeds . . . . . . . . . . . . . . . . . . . . . . . . .

(128.9)

(64.7)

2.9

5.4

(29.8)
36.2
(11.5)
0.1

(5.0)

Free cash flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

$ (37.6) $ 33.8

$ 89.7

$ 66.2

$ 80.0

107

[THIS PAGE INTENTIONALLY LEFT BLANK]

Corporate Information
Directors and Offi  cers

Board of Directors

Corporate Officers

Steven G. Bunger

Chairman, President and Chief Executive Officer

Jeffrey S. Goble

President & CEO - Providien, LLC  
A supplier of contract manufacturing services to the 
medical device and biotech industries

James J. Martell

Chairman – Express-1 Expedited Solutions
A transportation services organization

Stephen A McConnell

President – Solano Ventures
A private capital investment company

Frederick G. (Rick) McNamee
Principal – Quadrus Consulting
A strategy and technology operations consulting 
company

Sanjay Swani

General Partner – Welsh, Carson, Anderson & Stowe
A private equity firm

Lawrence Trachtenberg

Private Investor

Michael L. Watts

Chairman and CEO – Sunstate Equipment Co., LLC
A construction equipment rental company

Mark E. Funk

Executive Vice President and Chief 
Financial Officer

Jody E. Miller

Executive Vice President and Chief 
Operating Officer

Kyle G. Blackwell

Senior Vice President – East Division

Ronald Halchishak

Senior Vice President & Managing 
Director - European Division

Jon D. Keating

Senior Vice President – Operations

Deborah K. Keeley

Senior Vice President & Chief Accounting 
Officer

Ronald E. Marshall

Ronald J. Belmont

Chief Information Officer

Peter C. Buchner

Vice President – Marketing

Scott V. Buller

Vice President – National Accounts

Michael J. Bunger

Vice President – Mobile Offices

Katherine H. Callaway

Vice President – Risk Management

Lynn M. Courville

Vice President – Human Resources

Gilbert P. Gomez

Vice President – Strategic Planning

Brian P. Kavanagh

Vice President – Consumer and Moving

Senior Vice President – West Division

Paul D. Widner

Christopher J. Miner

Senior Vice President & General Counsel

Y

E

O F WOWINGWIT

H

Vice President – Sales Development

Kenneth P. Zientek

Vice President – National Sales Center

P

A

S

S

I

O

N

Investor Relations
The Equity Group
800 Third Avenue, 36th Floor
New York, New York 10022-7604
Telephone: 212-371-8660
Fax: 212-421-1278

Transfer Agent and Registrar
Wells Fargo Bank Minnesota, N.A.
Shareowner Services
161 N. Concord Exchange Street
South St. Paul, Minnesota 55075-1139

W IN G

U

Shareholder Information

REJOURNEY O F W O

Independent Registered 
Public Accounting Firm
Ernst & Young LLP
Two North Central Avenue
Suite 2300
Phoenix, Arizona  85004-2347

Independent Counsel
DLA Piper LLP (US)
2525 East Camelback Road 
Suite 1000
Phoenix, Arizona 85016-4232

N
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I

S
S
A
P
H

WIT

Corporate Office
7420 South Kyrene Road
Suite 101
Tempe, Arizona 85283-4578
Telephone: 480-894-6311
Fax: 480-894-6433

Recent press releases, quarterly reports and 
additional information about Mobile Mini, 
Inc. can be obtained by visiting  
www.mobilemini.com 

JOU R N
RE
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SFI-01042