International Paper declared a quarterly dividend of $0.44 per share for the period from April 1, 2016, to June 30, 2016, inclusive, on its common stock, par value $1.00. This dividend is payable on June 15, 2016, to holders of record at the close of business on May 27, 2016.   The company also declared a regular quarterly dividend of $1.00 per share for the period from April 1, 2016, to June 30, 2016, inclusive, on the cumulative $4.00 preferred stock of the company. This dividend is also pay...