ESCONDIDO, CALIFORNIA, March 18, 2008. Realty Income Corporation (Realty Income), The Monthly Dividend Company®, (NYSE:O) today announced that its Board of Directors has declared an increase in the Company’s common stock monthly dividend to $0.137375 per share from $0.13675 per share. The new monthly dividend amount represents an annualized amount of $1.6485 per share. The dividend is payable on April 15, 2008 to shareholders of record on April 1, 2008. This is the 42^nd consecutive quarter in which the Company has increased the amount of its monthly dividend, and the 48^th increase since Realty Income went public in 1994. The Company continues its longterm policy of declaring and paying common stock dividends on a monthly, rather than on a quarterly, basis.