Lakeland Finl Corp annual/quarterly Diluted EPS Excl. Extra Items from 1994 to 2018. Earnings per share (EPS) is the portion of a company's profit allocated to each outstanding share of common stock. Earnings per share serves as an indicator of a company's profitability. EPS is calculated as: EPS = (Net Income - Dividends on Preferred Stock) / Average Outstanding Shares.