-1- ADDITIONAL EARNINGS PER SHARE INFORMATION Kelly Services, Inc. and Subsidiaries Details of the common shares used to compute earnings per share are as follows in thousands except per share items: 13 Weeks Ended 26 Weeks Ended --------------------- --------------------- June 28, June 29, June 28, June 29, 1998 1997 1998 1997 -------- -------- -------- -------- Weighted average shares outstanding 38,238 38,078 38,207 38,069 Adjustment for dilutive shares from stock options under the treasury stock method Shares assumed issued 1,560 460 1,285 467 Less - Shares assumed repurchased (1,301) (407) (1,043) (422) -------- -------- -------- -------- Additional shares assumed outstanding 259 53 242 45 -------- -------- -------- ------- Applicable shares as adjusted 38,497 38,131 38,449 38,114 ======== ======== ======== ======== Net earnings $20,623 $19,443 $35,687 $33,671 ======== ======== ======== ======== Diluted earnings per common share $.54 $.51 $.93 $.88 ==== ==== ==== ==== This calculation is submitted in accordance with Regulation S-K item 601(b)(11).