EX-24 7 b41315ccex24.txt POWER OF ATTORNEY EXHIBIT 24 POWER OF ATTORNEY We, the undersigned directors and officers of Cabot Corporation, hereby severally constitute and appoint Ho-il Kim and John P. McGann, and each of them, our true and lawful attorneys with full power to (i) sign for us and in our names in the capacities indicated below Annual Reports on Form 10-K pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 of Cabot Corporation for the fiscal year ended September 30, 2001, and any and all amendments, thereto, thereby ratifying and confirming our signatures as they may be signed by our said attorneys, or any of them, to said Reports and to any and all amendments to said Reports; and (ii) to file such Reports and amendments with the Securities and Exchange Commission and with applicable stock exchanges on behalf of Cabot Corporation. WITNESS our hands and common seal on the date set forth below.
SIGNATURE TITLE DATE --------- ----- ---- /s/ JOHN G.L. CABOT Director November 9, 2001 ------------------------------- John G.L. Cabot /s/ JOHN S. CLARKESON Director November 9, 2001 ------------------------------- John S. Clarkeson /s/ ARTHUR L. GOLDSTEIN Director November 9, 2001 ------------------------------- Arthur L. Goldstein /s/ ROBERT P. HENDERSON Director November 9, 2001 ------------------------------- Robert P. Henderson /s/ GAUTAM S. KAJI Director November 9, 2001 ------------------------------- Gautam S. Kaji /s/ RODERICK C.G. MacLEOD Director November 9, 2001 ------------------------------- Roderick C.G. MacLeod /s/ JOHN H. McARTHUR Director November 9, 2001 ------------------------------- John H. McArthur /s/ JOHN F. O'BRIEN Director November 9, 2001 ------------------------------- John F. O'Brien /s/ RONALDO H. SCHMITZ Director November 9, 2001 ------------------------------- Ronaldo H. Schmitz
/s/ LYDIA W. THOMAS Director November 9, 2001 ------------------------------- Lydia W. Thomas /s/ MARK S. WRIGHTON Director November 9, 2001 ------------------------------- Mark S. Wrighton