CubeSmart — Director's Dealing 2010

Mar 9, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: U-Store-It Trust (YSI)
CIK: 0001298675
Period of Report: 2010-03-08

Reporting Person: Foster Jeffrey P (Sr. VP - Chief Legal Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-03-08	Common	M	27981	$3.09	Acquired	73764	Direct
2010-03-08	Common	S	2500	$6.98	Disposed	71264	Direct
2010-03-08	Common	S	2500	$6.95	Disposed	68764	Direct
2010-03-08	Common	S	8981	$6.99	Disposed	59783	Direct
2010-03-08	Common	S	14000	$6.97	Disposed	45783	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-03-08	Stock Option (right to buy)	$3.09	M	27981	Disposed	2019-02-17	Common (27981)	Direct

Footnotes

F1: The original Stock Option for 83,942 shares becomes exercisable in three equal annual installments on February 17, 2010, 2011 and 2012.