X0201 42003-08-18 0001035688 SELECT MEDICAL CORP SEM 0001212989 MCINERNEY THOMAS E C/O WELSH, CARSON, ANDERSON AND STOWE 320 PARK AVENUE, SUITE 2500 NEW YORK NY 10022 0010Common Stock2003-08-184S01454828.61D160132DThe Reporting Person also indirectly beneficially owns 4,210,749 shares held by Welsh, Carson, Anderson & Stowe VII, L.P. The Reporting Person is one of several general partners of the sole general partner of Welsh, Carson, Anderson & Stowe VII, L.P. Pursuant to Instruction (4)(b)(iv) of Form 4, the Reporting Person has elected to report as indirectly beneficially owned the entire number of securities beneficially owned by such limited partnership. The Reporting Person disclaims beneficial ownership of any securities, and any proceeds thereof, that exceed his pecuniary interest therein, and/or that are not actually distributed to him.The Reporting Person also indirectly beneficially owns 1,406,137 shares held by WCAS Capital Partners III, L.P. The Reporting Person is one of several managing members of the sole general partner of WCAS Capital Partners III, L.P. Pursuant to Instruction (4)(b)(iv) of Form 4, the Reporting Person has elected to report as indirectly beneficially owned the entire number of securities beneficially owned by such limited partnership. The Reporting Person disclaims beneficial ownership of any securities, and any proceeds thereof, that exceed his pecuniary interest therein, and/or that are not actually distributed to him.Jonathan M. Rather, Attorney-in-Fact2003-08-19