Williams Scotsman International, Inc. Schedules First Quarter Financial Results Press Release and Conference Call

Williams Scotsman International, Inc. (NASDAQ:WLSC) today
announced that it will issue its financial results for the first
quarter ended March 31, 2007 on Wednesday, May 2nd before the market
opens. The earnings press release will be available shortly thereafter
on Williams Scotsman's website at www.willscot.com. Management will
conduct a conference call later that morning at 10:00 A.M. Eastern
Time. Conference call information is as follows:

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Call date: Wednesday, May 2, 2007
Call time: 10:00 A.M. (Eastern Time)
Domestic Dial In: 888-433-1674
International Dial In: 212-748-2817
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A replay of the call will be available approximately two hours
after the live broadcast ends and will be accessible until 11:59 P.M.
on June 1, 2007. The replay may be accessed as follows:

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Domestic Dial In: 800-633-8284
International Dial In: 402-977-9140
Replay Access Code: 21336707
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To listen to the live call, please go to www.willscot.com and
click on the Investor Relations section. Please go to the website 15
minutes early to download and install any necessary audio software. If
you are unable to listen live, the conference call can be accessed for
14 days at Williams Scotsman's website.

About Williams Scotsman International, Inc.

Williams Scotsman International, Inc., through its subsidiaries,
is a leading provider of mobile and modular space solutions for
multiple industry sectors, including the Construction, Education,
Commercial, Healthcare and Government markets. The company serves over
30,000 customers, operating a fleet of over 115,000 modular space and
storage units that are leased through a network of more 100 locations
throughout North America and Spain. Williams Scotsman provides
delivery, installation, and other services, and sells new and used
mobile office products. Williams Scotsman also manages large modular
building projects from concept to completion. Williams Scotsman is a
publicly traded company (NASDAQ: WLSC) headquartered in Baltimore,
Maryland with operations in the United States, Canada, Mexico, and
Spain. The company was selected to NASDAQ's Global Select Market for
achieving high-quality listing standards among the marketplace. For
additional information, visit the company's web site at
www.willscot.com, call (410) 931-6066, or email to
Michele.Cunningham@willscot.com.

All statements other than statements of historical fact included
in this press release are forward-looking statements and involve
expectations, beliefs, plans, intentions or strategies regarding the
future. Although the Company believes that the expectations reflected
in these forward-looking statements are reasonable, it assumes no
responsibility for the accuracy and completeness of these
forward-looking statements and gives no assurance that these
expectations will prove to have been correct. Important factors that
could cause actual results to differ materially from the Company's
expectations are disclosed under "Risk Factors" and elsewhere in the
Company's 10-K, 10-Q and other SEC filings, including, but not limited
to, substantial leverage and its ability to service debt, changing
market trends in its industry, general economic and business
conditions including a prolonged or substantial recession, its ability
to finance fleet and branch expansion and to locate and finance
acquisitions, its ability to implement its business and growth
strategy and maintain and enhance its competitive strengths, intense
industry competition, availability of key personnel and changes in, or
the failure to comply with, government regulations. The Company
assumes no obligation to update any forward-looking statement.