X0303 4 2010-05-13 0001407623 RETAIL OPPORTUNITY INVESTMENTS CORP ROIC 0001137521 GLENHILL ADVISORS LLC 156 WEST 56TH STREET 17TH FLOOR NEW YORK NY 10019 0 0 1 0 0001159120 KREVLIN GLENN J 156 WEST 56TH STREET 17TH FLOOR NEW YORK NY 10019 0 0 1 0 0001137522 GLENHILL CAPITAL MANAGEMENT LLC 156 WEST 56TH STREET 17TH FLOOR NEW YORK NY 10019 0 0 1 0 Common Stock 2010-05-13 4 S 0 25000 9.7808 D 2405429 I See Footnote Reporting person, Glenn J. Krevlin, is the managing member of Glenhill Advisors, LLC, a limited liability company that is managing member of Glenhill Capital Management LLC, which has investment control and owns a minority interest in various private investment funds, including Glenhill Capital LP and Glenhill Capital Overseas Master Fund, LP, which collectively own the reported securities. The reporting persons disclaim beneficial ownership of the reported securities except to the extent of their pecuniary interest therein. Of the securities reported in this Form 4, Glenhill Capital LP sold 13,000 securities and Glenhill Capital Overseas Master Fund, LP sold 12,000 securities. /s/ Glenn J. Krevlin 2010-05-17 /s/ Glenn J. Krevlin, Managing Member, Glenhill Advisors, LLC 2010-05-17 /s/ Glenn J. Krevlin, Managing Member, Glenhill Advisors, LLC, Managing Member, Glenhill Capital Management, LLC 2010-05-17