NOTICE OF GUARANTEED DELIVERY
                                      FOR
                           8 1/8% SENIOR NOTES DUE 2008
                                      OF
                         AMERISOURCEBERGEN CORPORATION

  As set forth in the Prospectus dated ___________, 2001 (the "Prospectus") of
AmerisourceBergen Corporation (the "Company") and in the accompanying Letter of
Transmittal (the "Letter of Transmittal"), this form or one substantially
equivalent hereto must be used to accept the Company's offer to exchange (the
"Exchange Offer") all of its outstanding 8 1/8% Senior Notes due 2008 (the
"Existing Notes") for its 8 1/8% Senior Notes due 2008 which have been
registered under the Securities Act of 1933, as amended, if certificates for the
Existing Notes are not immediately available or if the Existing Notes, the
Letter of Transmittal or any other documents required thereby cannot be
delivered to the Exchange Agent, or the procedure for book-entry transfer cannot
be completed, prior to 5:00 P.M., New York City time, on the Expiration Date (as
defined below). This form may be delivered by an Eligible Institution by hand or
transmitted by facsimile transmission, overnight courier or mail to the Exchange
Agent as set forth below. Capitalized terms used but not defined herein have the
meaning given to them in the Prospectus.

  THE EXCHANGE OFFER WILL EXPIRE AT 5:00 P.M., NEW YORK CITY TIME, ON
_____________, UNLESS THE OFFER IS EXTENDED (THE "EXPIRATION DATE").  TENDERS OF
EXISTING NOTES MAY BE WITHDRAWN AT ANY TIME PRIOR TO 5:00 P.M. ON THE EXPIRATION
DATE.

       To: Chase Manhattan Bank and Trust Company, National Association
                              The Exchange Agent


                                                                  
By Registered or Certified Mail, by Hand or Overnight Courier:                     By Facsimile:

 Chase Manhattan Bank and Trust Company, National Association                      (214) 468-6464
                 c/o The Chase Manhattan Bank                        Attention: Mr. Frank Ivins [Confidential]
                   Corporate Trust Services
                2001 Bryan Street, 9/th/ Floor                                  Confirm by Telephone
                     Dallas, Texas  75202                                          (214) 468-6464
          Attention:  Mr. Frank Ivins [Confidential]


  DELIVERY OF THIS INSTRUMENT TO AN ADDRESS, OR TRANSMISSION OF INSTRUCTIONS
VIA FACSIMILE, OTHER THAN AS SET FORTH ABOVE DOES NOT CONSTITUTE A VALID
DELIVERY.

  This form is not to be used to guarantee signatures. If a signature on the
Letter of Transmittal to be used to tender Existing Notes is required to be
guaranteed by an "Eligible Institution" under the instructions thereto, such
signature guarantee must appear in the space provided therefor in the Letter of
Transmittal.


   The undersigned hereby tenders to the Company, upon the terms and subject to
the conditions set forth in the Prospectus and the Letter of Transmittal (which
together constitute the "Exchange Offer"), receipt of which are hereby
acknowledged, ________________________ (fill in number of Existing Notes)
Existing Notes pursuant to the guaranteed delivery procedures set forth in the
Prospectus and Instruction 1 of the Letter of Transmittal.

   The undersigned understands that tenders of Existing Notes will be accepted
only in principal amounts equal to $1,000 or integral multiples thereof. The
undersigned understands that tenders of Existing Notes pursuant to the Exchange
Offer may not be withdrawn after 5:00 p.m., New York City time, on the
Expiration Date.

   All authority herein conferred or agreed to be conferred by this Notice of
Guaranteed Delivery shall survive the death, incapacity or dissolution of the
undersigned and every obligation of the undersigned under this Notice of
Guaranteed Delivery shall be binding upon the heirs, personal representatives,
executors, administrators, successors, assigns, trustees in bankruptcy and other
legal representatives of the undersigned.

           NOTE: SIGNATURES MUST BE PROVIDED WHERE INDICATED BELOW.



Certificate No(s). for Existing Notes (if available):            Name(s) of Record Holder(s):
                                                              
__________________________________________________               ___________________________________________

__________________________________________________               ___________________________________________

Principal Amount of Exiting Notes:                               PLEASE PRINT OR TYPE

__________________________________________________               Address:
                                                                 ___________________________________________
                                                                 ___________________________________________

If Existing Notes will be delivered by book-entry
transfer at the Depositor Trust Company,
Depository Account No.:

__________________________________________________               Area code and Tel. No._____________________


                                                                 Signature(s):

                                                                 ___________________________________________

                                                                 ___________________________________________

                                                                 Dated:______________________________ , 2001



   This Notice of Guaranteed Delivery must be signed by the registered holder(s)
of Existing Notes exactly as its (their) name(s) appear(s) on the certificate(s)
for Existing Notes covered hereby or on a DTC security position listing naming
it (them) as the owner of such Existing Notes, or by person(s) authorized to
become registered holder(s) by endorsements and documents transmitted with this
Notice of Guaranteed Delivery. If signature is by a trustee, executor,
administrator, guardian, attorney-in-fact, officer or other person acting in a
fiduciary or representative capacity, such person(s) must provide the following
information:


                PLEASE PRINT NAME(S), TITLE(S) AND ADDRESS(ES)



Name(s):________________________________________________________________________


Capacity(ies):__________________________________________________________________


Address(es):____________________________________________________________________


                                   GUARANTEE
                   (NOT TO BE USED FOR SIGNATURE GUARANTEE)

   The undersigned, a member firm of a registered national securities exchange
or of the National Association of Securities Dealers, Inc., or a commercial bank
or trust company having an office or correspondent in the United States or an
"Eligible Guarantor Institution" as defined in Rule 17Ad-15 under the Securities
Exchange Act of 1934, as amended (the "Exchange Act"), hereby (a) represents
that the tender of Existing Notes effected hereby complies with Rule l4e-4 under
the Exchange Act and (b) guarantees to deliver to the Exchange Agent a
certificate or certificates representing the Existing Notes tendered hereby, in
proper form for transfer (or a confirmation of the book-entry transfer of such
Existing Notes into the Exchange Agent's account at DTC, pursuant to the
procedures for book-entry transfer set forth in the Prospectus), and a properly
completed and duly executed Letter of Transmittal (or manually signed facsimile
thereof) together with any required signatures and any other required documents,
at one of the Exchange Agent's addresses set forth above, within five New York
Stock Exchange trading days after the date of execution of this Notice of
Guaranteed Delivery.

   THE UNDERSIGNED ACKNOWLEDGES THAT IT MUST DELIVER THE LETTER OF TRANSMITTAL
AND EXISTING NOTES TENDERED HEREBY TO THE EXCHANGE AGENT WITHIN THE TIME PERIOD
SPECIFIED FORTH ABOVE AND THAT ANY FAILURE TO DO SO COULD RESULT IN FINANCIAL
LOSS TO THE UNDERSIGNED.


Name of Firm:_______________________________    ________________________________
                                                       Authorized Signature


Address:____________________________________    Name:___________________________
                                   Zip Code             Please Print or Type


Area Code
and Tel. No.:_______________________________  Date: ______________________, 2001

NOTE:  DO NOT SEND EXISTING NOTES WITH THIS FORM; EXISTING NOTES SHOULD BE SENT
       WITH YOUR LETTER OF TRANSMITTAL SO THAT THEY ARE RECEIVED BY THE EXCHANGE
       AGENT WITHIN THE TIME PERIOD SET FORTH ABOVE.