Stericycle (SRCL) 10-Q 2002 Q2 Quarterly report

Exhibit 99.2

Certification Pursuant to
18 U.S.C. Section 1350
(as Adopted Pursuant to Section 906 of
the Sarbanes-Oxley Act of 2002)

In reference to the quarterly report on Form 10-Q for the quarter ending June 30, 2002 (the "Report"), as filed today by Stericycle, Inc. (the "Company") with the U.S. Securities and Exchange Commission, I, Frank J.M. ten Brink, an Executive Vice President of the Company and the Company's Chief Financial Officer, certify as follows, pursuant to 18 U.S.C. 1350 (as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002):

(a)the Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m or 78o(d)); and

(b)the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ FRANK J.M. TEN BRINK
Frank J.M. ten Brink
Executive Vice President
and Chief Financial Officer
Stericycle, Inc.

August 7, 2002