1



                                                                      EXHIBIT 11

                        STERICYCLE, INC. AND SUBSIDIARIES

                 STATEMENT RE: COMPUTATION OF PER SHARE EARNINGS
                 (IN THOUSANDS, EXCEPT SHARE AND PER SHARE DATA)
                                   (UNAUDITED)




                                                     FOR THE THREE                   FOR THE SIX
                                                     MONTHS ENDED                   MONTHS ENDED
                                                        JUNE 30,                       JUNE 30,

                                                 2000            1999           2000            1999
                                             ------------    ------------   ------------    ------------
                                                                                
Numerator:
   Net Income                                $      3,086    $      2,560   $      6,859    $      4,987
   Preferred stock dividends                         (633)           --           (1,292)           --
                                             ------------    ------------   ------------    ------------
   Numerator for basic earnings
      per share                              $      2,453    $      2,560   $      5,567    $      4,987

   Effective of dilutive securities:
     Preferred stock dividends                        633            --            1,292            --
                                             ------------    ------------   ------------    ------------

   Numerator for diluted earnings
    per share income available to
    common shareholders after
    assumed conversions                      $      3,086    $      2,560   $      6,859    $      4,987
                                             ------------    ------------   ------------    ------------

Denominator:
  Denominator for basic earnings per share
    Weighted average shares                    14,792,602      14,546,201     14,784,264      13,811,646

  Effective of dilutive securities:
    Employee stock options                        616,067          69,347        546,645         318,313
    Warrants                                      149,058         263,137        133,578          79,735
    Convertible preferred stock                 4,359,572            --        4,359,572            --
                                             ------------    ------------   ------------    ------------
  Dilutive potential shares                     5,124,697         332,483      5,039,795         398,047

  Denominator for diluted earnings
  per share adjusted weighted
  average shares and assumed
  conversions                                  19,917,299      14,878,684     19,824,059      14,209,693
                                             ============    ============   ============    ============

Earnings per share - Basic                   $       0.17    $       0.18   $       0.38    $       0.36
                                             ============    ============   ============    ============
- --Earnings per share - Diluted               $       0.15    $       0.17   $       0.35    $       0.35
                                             ============    ============   ============    ============




                                       19