Exhibit 11B GATX CORPORATION AND SUBSIDIARIES COMPUTATION OF NET INCOME PER SHARE OF COMMON STOCK AND COMMON STOCK EQUIVALENTS ASSUMING FULL DILUTION In Millions, Except Per Share Amounts Three Months Ended Nine Months Ended September 30 September 30 1995 1994 1995 1994 ---- ---- ----- ---- Average number of shares used to compute primary earnings per share 20.5 20.2 20.3 20.1 Common Stock issuable upon assumed conversion of Preferred Stock 4.0 4.0 4.1 4.1 ----- ----- ----- ----- Total 24.5 24.2 24.4 24.2 ====== ====== ===== ====== Net income as adjusted per primary computation $ 23.2 $ 22.0 $ 72.2 $ 56.4 Add - Dividends paid and accrued on Preferred Stock 3.3 3.3 9.9 10.0 ------ ------ ------ ------ Net income, as adjusted $ 26.5 $ 25.3 $ 82.1 $ 66.4 ====== ======= ====== ======= Net income per share, assuming full dilution $ 1.08 $ 1.04 $ 3.36 $ 2.75 ====== ====== ====== ====== -14-