ABOUT MCGRATH RENTCORPFounded in 1979, McGrath RentCorp is a diversified business-to-business rental company. The Company's Mobile Modular division rents and sells modular buildings to fulfill customers' temporary and permanent classroom and office space needs in California, Texas, Florida, and the Mid-Atlantic from Washington D.C. to Georgia. The Company's TRS-RenTelco division rents and sells electronic test equipment and is one of the leading rental providers of general purpose and communications test equipment in the Americas. The Company's New Jersey based Adler Tank Rentals subsidiary rents and sells containment solutions for hazardous and nonhazardous liquids and solids with operations today serving key markets throughout the United States. In 2008, the Company entered the portable storage container rental business in California under the trade name Mobile Modular Portable Storage, and in 2009 expanded this business into Texas and Florida. For more information on McGrath RentCorp and its operating units, please visit our websites: Corporate – www.mgrc.com Tanks and Boxes – www.AdlerTankRentals.com Modular Buildings – www.MobileModularRents.com Portable Storage – www.MobileModularRents-PortableStorage.com Electronic Test Equipment – www.TRS-RenTelco.com School Facilities Manufacturing – www.Enviroplex.com CONFERENCE CALL NOTE As previously announced in its press release of April 10, 2013, McGrath RentCorp will host a conference call at 5:00 p.m. Eastern Time (2:00 p.m. Pacific Time) on May 1, 2013 to discuss the first quarter 2013 results. To participate in the teleconference, dial 1-877-941-1427 (in the U.S.), or 1-480-629-9664 (outside the US), or visit the investor relations section of the Company's website at www.mgrc.com. Telephone replay of the call will be available for 7 days following the call by dialing 1-800-406-7325 (in the U.S.), or 1-303-590-3030 (outside the U.S.). The pass code for the call replay is 4611866. In addition, a live audio webcast and replay of the call may be found in the investor relations section of the Company's website at http://mgrc.com/Investor/EventsAndArchive . FORWARD-LOOKING STATEMENTS Statements in this press release which are not historical facts are forward-looking statements within the meaning of Section 21E of the Securities Exchange Act of 1934. All statements, other than statements of historical facts, regarding McGrath RentCorp's business strategy, future operations, financial position, estimated revenues or losses, projected costs, prospects, plans and objectives are forward looking statements. These forward-looking statements appear in a number of places and can be identified by the use of forward-looking terminology such as "may," "will," "should," "expect," "plan," "anticipate," "believe," "estimate," "predict," "future," "intend," "hopes," "goals" or "certain" or the negative of these terms or other variations or comparable terminology. In particular, the statements made in this press release about the following topics are forward looking statements: higher growth in the tank and box business as Adler expands into new markets; the impact of higher booking levels at Adler; lower expenses in 2013 attributable to moving underutilized equipment at Adler; positive indicators in the modular division, such as improvement in the California economy, future growth in our portable storage business, and the statements under the heading "Financial Guidance."