X0201 42004-01-150 0000072020 NICOR INC GAS 0001205607 DALESSANDRO ROCCO J NICOR INC. 1844 FERRY ROAD NAPERVILLE IL 60563 0100Senior Vice PresidentCommon Stock2004-01-154A0113.17933.69A2878.714DCommon Stock1397.001DCommon Stock elected in lieu of eligible cash awards with delivery deferred, pursuant to the Nicor Inc. Stock Deferral Plan.Includes 3.655 shares of common stock acquired in May, August and November 2003 under the Nicor Inc. Dividend Reinvestment Plan.Includes 2,789.089 shares of common stock as to which delivery is deferred, pursuant to the Nicor Inc. Stock Deferral Plan (iIncludes 110.573 shares of common stock acquired pursuant to dividend reinvestment in 2003).Includes shares of common stock acquired pursuant dividend reinvestment and through contributions to the Nicor Stock Fund in 2003.Mary F. Nelson - Attorney-in-Fact2004-01-20