JOINT FILER INFORMATION

         This Form 4 is being filed jointly by the following parties: (i)
Bernard C. Sherman ("Dr. Sherman"), who directly owns 16,875 shares of Barr
Pharmaceuticals, Inc. (the "Issuer"), who has sole voting and dispositive
control, as the sole trustee, of The Bernard Sherman 2000 Trust ("Sherman
Trust"), and who owns 99% of the Outstanding capital stock of Sherman Holdings
Inc. ("Sherman Holdings"); (ii) Sherman Trust which owns 99% of the common stock
of Shermco, Inc. ("Shermco"); (iii) Sherman Holdings which owns 99% of the
preferred stock of Shermco; (iv) Shermco which owns all of the outstanding
capital stock of Sherfam Inc. ("Sherfam"); (v) Sherfam which owns all the
outstanding capital stock of Apotex Holdings Inc. ("Apotex"); (vi) Apotex which
owns all of the outstanding capital stock of SHERMFIN, INC. ("Shermfin"); (vii)
Shermfin which owns all of the outstanding capital stock of Sherman Delaware,
Inc. ("SDI"); (viii) SDI which directly owns, as of the date of this filing,
11, 607,700 shares of common stock of the Issuer. Pursuant to Rule 16a-1(a)(4),
the filing of this Form 4 shall not be deemed to be an admission by Dr. Sherman,
Sherman Trust, Sherman Holdings, Shermco, Sherfam, Apotex and Shermfin that any
of Dr. Sherman, Sherman Trust, Sherman Holdings, Shermco, Sherfam, Apotex and
Shermfin is, for the purposes of Section 16 of the Securities Exchange Act of
1934, the beneficial owner of any securities covered by this Form 4.

Name: Dr. Bernard C. Sherman
Address: 150 Signet Drive, Weston,
Ontario, Canada  M9L 1T9
Designated Filer: Sherman Delaware, Inc.
Issuer and Ticker Symbol:  Barr Pharmaceuticals, Inc. (BRL)
Date of Event Requiring Statement: May 27, 2004


/s/ Bernard C. Sherman
Bernard C. Sherman

                                                  
Name: The Bernard Sherman 2000 Trust                 Name: Apotex Holdings Inc.
Address: 150 Signet Drive, Weston,                   Address: 150 Signet Drive, Weston,
Ontario, Canada M9L 1T9                              Ontario, Canada M9L 1T9
Designated Filer: Sherman Delaware, Inc.             Designated Filer: Sherman Delaware, Inc.
Issuer and Ticker Symbol:  Barr                      Issuer and Ticker Symbol:  Barr
Pharmaceuticals, Inc. (BRL)                          Pharmaceuticals, Inc. (BRL)
Date of Event                                        Date of Event
Requiring Statement: May 27, 2004                    Requiring Statement: May 27, 2004


By: /s/ Bernard C. Sherman                            By: /s/ Bernard C. Sherman
        ------------------                                    ------------------
        Bernard C. Sherman                                    Bernard C. Sherman
        Sole Trustee                                          President





                                                  
Name:  Sherman Holdings Inc.                         Name: SHERMFIN, INC.
Address: 150 Signet Drive, Weston,                   Address: 150 Signet Drive, Weston,
Ontario, Canada M9L 1T9                              Ontario, Canada M9L 1T9
Designated Filer: Sherman Delaware, Inc.             Designated Filer: Sherman Delaware, Inc.
Issuer and Ticker Symbol:  Barr                      Issuer and Ticker Symbol:  Barr
Pharmaceuticals, Inc. (BRL)                          Pharmaceuticals, Inc. (BRL)
Date of Event                                        Date of Event
Requiring Statement: May 27, 2004                    Requiring Statement: May 27, 2004


By: /s/ Bernard C. Sherman                           By: /s/ Bernard C. Sherman
        ------------------                                   ------------------
        Bernard C. Sherman                                   Bernard C. Sherman
        President                                            President



Name: Shermco Inc.                                   Name: Sherfam Inc.
Address: 150 Signet Drive, Weston,                   Address: 150 Signet Drive, Weston,
Ontario, Canada M9L 1T9                              Ontario, Canada M9L 1T9
Designated Filer: Sherman Delaware, Inc.             Designated Filer: Sherman Delaware, Inc.
Issuer and Ticker Symbol: Barr                       Issuer and Ticker Symbol:  Barr
Pharmaceuticals, Inc. (BRL)                          Pharmaceuticals, Inc. (BRL)
Date of Event                                        Date of Event
Requiring Statement: May 27, 2004                    Requiring Statement: May 27, 2004





By: /s/ Bernard C. Sherman                           By: /s/ Bernard C. Sherman
        -------------------                                  ------------------
        Bernard C. Sherman                                   Bernard C. Sherman
        Chairman                                             Chairman