industrial packaging products and services company greif inc said tuesday its board approved increases to class a and class b common stock dividends greif said it was raising the quarterly dividend on class a shares to 50 cents while the new quarterly dividend for class b shares will be 75 cents the new dividends will be payable on oct 1 to shareholders of record at the end of business of sept 16 the company said greif last raised its dividends in august of last year larry hilsheimer chief financial officer said the increased dividend supplements the companys recently announced share repurchase program