WAYNE, PA — (Marketwire) — 08/11/11 — U-Store-It Trust (NYSE: YSI), a self-administered and self-managed real estate investment trust focused on self-storage facilities and storage solutions, announced today that it has closed on the sale of an 18 property portfolio for total proceeds of $43.5 million. These unencumbered assets are located in Indiana and Ohio, contain an aggregate 976,000 net rentable square feet, and had a physical occupancy of 78.0% as of June 30, 2011.This transaction re