X0303 4 2009-03-02 0 0000072020 NICOR INC GAS 0001205607 DALESSANDRO ROCCO J NICOR INC. 1844 FERRY ROAD NAPERVILLE IL 60563 0 1 0 0 EVP - Nicor Gas Company Common Stock 2009-03-02 4 M 0 635.998 A 2730.324 D Common Stock 2009-03-02 4 D 0 .998 30.21 D 2729.326 D Common Stock 514.152 I By 401(k) Plan Phantom Stock 2009-03-02 4 M 0 635.998 D 2009-03-02 2009-03-02 Common Stock 635.998 7510.765 D Each phantom stock unit was the economic equivalent of one share of Nicor common stock. On March 2, 2009, .998 of the reporting person's phantom stock units were settled for cash, and the remaining 635 were settled for an equal number of shares of Nicor common stock. Shares of Nicor common stock acquired under the Nicor 401(k) Plan. Information based on reporting person's account balance as of February 27, 2009. Includes 8.838 shares of Common Stock acquired under the Nicor Inc. Dividend Reinvestment Plan in August and November 2007 and February, May, August and November 2008 and February 2009. Antoinette M. Lambert - Attorney-in-Fact 2009-03-04