First Interstate Bancorp has declared a quarterly dividend of 73 cents a share on the company's common stock, payable Sept. 30 to shareholders of record Sept. 6.

The payment, totaling $33.2 million, will go to more than 48,000 shareholders of record who hold First Interstate's 45.5 million common shares outstanding. The common dividend equals $2.92 a share on an annual basis.A dividend of 583/8 cents a share on First Interstate's Series A preferred stock is payable Sept. 30 to shareholders of record Sept. 16. On an annual basis, the preferred dividend equals $2.371/2 a share, or 9.5 percent of the stated value of $25 a share.