X0201 42003-09-09 0001035688 SELECT MEDICAL CORP SEM 0001212985 WELSH PATRICK J C/O WELSH, CARSON, ANDERSON AND STOWE 320 PARK AVENUE, SUITE 2500 NEW YORK NY 10022 0010Common Stock2003-09-094S042751130.00D0IBy WCAS Healthcare Partners, L.P.The Reporting Person also directly beneficially owns 281,464 shares and indirectly beneficially owns (i) 3,710,749 shares held by Welsh, Carson, Anderson & Stowe VII, L.P. and (ii) 1,406,137 shares held by WCAS Capital Partners III, L.P. The Reporting Person is a general partner of the sole general partner of Welsh, Carson, Anderson & Stowe VII, L.P. and a managing member 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 each 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 is a general partner of WCAS Healthcare Partners, 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-Fact2003-09-09