Select U-Store-It locations across the country to begin renting Penske trucks to customers

WAYNE, PA. – May 4, 2010 – U-Store-It Trust (NYSE: YSI) today announced that it is now a National Storage Partner for Penske Truck Rental and will begin renting Penske trucks at select locations across the country. U-Store-It's customers will be able to rent trucks directly from U-Store-It storage facilities for moves across town or to anywhere in the United States. The addition of a full-service moving truck partner is a value-added service for U-Store-It's customers, complementing the company's self-storage solutions and packing and moving supplies.

"Having a trusted partner like Penske will enhance our ability to better serve our customers with their storage and moving needs," said Dean Jernigan, CEO of U-Store-It. "Penske and U-Store-It share similar customers, and having reliable trucks available at our convenient locations, in addition to quality packing supplies and storage options, will make it easier for all of our customers to take care of their local or national moving needs. Penske has an outstanding reputation for providing safe, well-maintained vehicles, and we are pleased to work with them to help make our customers' moves stress-free."

"Self-storage and truck rentals go hand-in-hand, and with U-Store-It, we can offer both through a single, convenient location," said Don Mikes, Vice President – Consumer Rental, Penske Truck Leasing. "Our companies are focused on meeting the needs of our customers, and working together, we provide a variety of complementary products and services that can make moving a home or relocating an office faster and easier. We look forward to adding new locations to our family of agents and to a mutually beneficial relationship with U-Store-It."

For more information on renting a Penske truck from a U-Store-It location, visit www.ustoreit.com or call 1-800-675-3053.

About U-Store-It
U-Store-It Trust is a self-administered and self-managed real estate investment trust. The Company provides self-storage solutions across the country. U-Store-It owns and or manages 374 facilities across the United States, and operates the U-Store-It Network, which consists of approximately 725 additional self-storage facilities. The Company's self-storage facilities, storage space and storage solutions are designed to offer affordable, easily accessible, secure, and in most locations, climate-controlled storage space for residential and commercial customers, as well as boat storage and mini storage. According to the 2009 Self Storage Almanac, U-Store-It Trust is one of the top four owners and operators of self-storage facilities in the U.S. For more information, visit www.ustoreit.com.

About Penske
Penske Truck Rental is a service of Penske Truck Leasing. With one of the newest fleets, Penske Truck Rental provides do-it-yourself movers with clean, safe and reliable trucks as well as moving equipment, packing supplies and accessories. Penske Truck Leasing Co., L.P., headquartered in Reading, Pa., is a joint venture among Penske Corporation, Penske Automotive Group and General Electric. A leading global transportation services provider, Penske operates more than 200,000 vehicles and serves customers globally from more than 1,000 locations. Product lines include full-service truck leasing, contract maintenance, commercial and consumer truck rentals, transportation and warehousing management, and supply chain management solutions. Visit www.gopenske.com for more information.