EXHIBIT 11 Page 1 of 2 THE INTERPUBLIC GROUP OF COMPANIES, INC. COMPUTATION OF EARNINGS PER SHARE (Dollars in Thousands Except Per Share Data) Year Ended December 31 1997 1996 1995 1994 1993 BASIC: Net Income before effect of accounting changes $205,033 $211,113 $139,588 $127,107 $110,466 Effect of accounting changes - - - (29,564) (512) ________ ________ ________ ________ ________Net income, as adjusted $205,033 $211,113 $139,588 $ 97,543 $109,954 Weighted average number of common shares outstanding 127,457,013 127,504,436 125,009,700 122,770,794 121,920,904Basic earnings per share data:Income before effect of accounting changes $1.61 $1.66 $1.12 $1.04 $ .90 Effect of accounting changes - - - (.25) - - ________ _______ _______ _______ _______Net Income $1.61 $1.66 $1.12 $ .79 $ .90 EXHIBIT 11 Page 2 of 2 THE INTERPUBLIC GROUP OF COMPANIES, INC. COMPUTATION OF EARNINGS PER SHARE (Dollars in Thousands Except Per Share Data) Year Ended December 31 1997 1996 1995 1994 1993 DILUTED: Net Income before effect of accounting changes $ 205,033 $ 211,113 $ 139,588 $ 127,107 $ 110,466 Effect of accounting changes - - - (29,564) (512) After tax interest savings on assumed conversion of subordinated debentures<F1> 5,929 6,410 - - - - Add: Dividends paid net of related income tax applicable to the Restricted Stock Plan 447 384 461 366 330 Net income, as adjusted $ 211,409 $ 217,907 $ 140,049 $ 97,909 $ 110,284 Weighted average number of common shares outstanding 127,457,013 127,504,436 125,009,700 122,770,794 121,920,904 Assumed conversion of subordinated debentures<F1> 4,010,291 4,466,502 - - - - Weighted average number of incremental shares in connection with assumed exercise of stock options 2,910,648 2,219,373 1,921,923 1,523,756 1,646,618 Weighted average number of incremental shares in connection with the Restricted Stock Plan 1,638,646 1,605,564 2,080,067 1,871,346 2,397,039 Total 136,016,598 135,795,875 129,011,690 126,165,896 125,964,561 Diluted Earnings Per Share Data: Income before effect of accounting changes 1.55 1.60 1.09 1.01 .88 Effect of accounting changes - - - (.23) - Net Income 1.55 1.60 1.09 .78 .88 <FN> <F1> The computation of diluted EPS for 1997 excludes the assumed conversion of the 1.80% Convertible Subordinated Notes due 2004 because they were antidilutive. Similarly, the computation of diluted EPS for 1995, 1994 and 1993 excludes the assumed conversion of the 3 3/4% Convertible Subordinated Debentures due 2002 as they were antidilutive.