Extra Space Storage Inc. Announces Date of Earnings Release and Conference Call to Discuss Second Quarter 2008 Results

Extra Space Storage Inc. (NYSE: EXR) announced today it will release financial results for the three months ended June 30, 2008 on Tuesday, July 29, 2008 after the market closes. The Company will also host a conference call at 1:00 p.m. Eastern Time on Wednesday, July 30, 2008 to discuss its financial results.

Hosting the call will be Extra Space Storage's Chairman and CEO Kenneth M. Woolley. Joining him will be Spencer F. Kirk, President; Kent W. Christensen, Executive Vice President and CFO; and Karl Haas, Executive Vice President and COO.

The conference call will be broadcast live over the Internet and can be accessed by all interested parties through the Company's website at www.extraspace.com and then by clicking on the "investor relations" link at the bottom of the home page. To listen to the live call, please go to the website at least fifteen minutes prior to the start of the call to register, download, and install any necessary audio software. A digital replay will be available on Wednesday, July 30, 2008 at 3:00 p.m. Eastern Time through Wednesday, August 13, 2008 at midnight Eastern Time. To access the replay, dial 888-286-8010 and enter passcode 23228471. International callers should dial 617-801-6888 and enter the same passcode.

About Extra Space Storage Inc.

Extra Space Storage Inc., headquartered in Salt Lake City, Utah, is a fully integrated, self-administered and self-managed real estate investment trust that owns and/or operates 673 self-storage properties in 33 states and Washington, D.C. The Company's properties comprise approximately 461,000 units and 49 million square feet rented by more than 300,000 individual tenants. The Company is the second largest owner and/or operator of self-storage properties in the United States.