Document:

<Page>

                                                                   EXHIBIT 4.6

================================================================================

                          UNITED STATIONERS SUPPLY CO.,

                                    as Issuer

                                       AND

                    UNITED STATIONERS TECHNOLOGY SERVICES LLC

                           as New Subsidiary Guarantor

                                       AND

                              THE BANK OF NEW YORK,

                                   as Trustee

                            -------------------------

                          FOURTH SUPPLEMENTAL INDENTURE

                            Dated as of July 1, 2001

                                       to

                                    Indenture

                           Dated as of April 15, 1998

                           --------------------------

                                  $100,000,000

                        8-3/8% Senior Subordinated Notes

                                    due 2008

================================================================================

<Page>

     FOURTH SUPPLEMENTAL INDENTURE dated as of July 1, 2001, among UNITED
STATIONERS SUPPLY CO., an Illinois corporation (the "Company"), UNITED
STATIONERS TECHNOLOGY SERVICES LLC, an Illinois limited liability company (THE
"NEW SUBSIDIARY GUARANTOR"), and THE BANK OF NEW YORK, a New York banking
corporation, as Trustee (the "TRUSTEE").

     WHEREAS, the Company and certain subsidiary guarantors have heretofore
executed and delivered to the Trustee an Indenture dated as of April 15, 1998
(the "INDENTURE"), providing for the issuance of $100,000,000 aggregate
principal amount of 8-3/8% Senior Subordinated Notes due 2008 (the "NOTES");

     WHEREAS, the Company and The Order People Company, a Delaware corporation
("THE ORDER PEOPLE"), have heretofore executed and delivered to the Trustee a
First Supplemental Indenture, dated as of June 30, 2000, by which The Order
People was added as a guarantor pursuant to the terms of the Indenture;

     WHEREAS, the Company and United CallCenter Services, Inc., a Delaware
corporation (formerly known as Corporate Express CallCenter Services, Inc.
("CALLCENTER"), have heretofore executed and delivered to the Trustee a Second
Supplemental Indenture, dated as of July 1, 2000, by which CallCenter was added
as a guarantor pursuant to the terms of the Indenture;

     WHEREAS, the Company and United Stationers Financial Services LLC, an
Illinois limited liability company ("USFS"), have heretofore executed and
delivered to the Trustee a Third Supplemental Indenture, dated as of May 1,
2001, by which USFS was added as a guarantor pursuant to the terms of the
Indenture;

     WHEREAS, the Company, the New Subsidiary Guarantor and the Trustee desire
by this Fourth Supplemental Indenture, pursuant to and as contemplated by the
provisions of the Indenture relating to the addition of guarantors, including,
without limitation, Sections 901 and 1017 thereof, to add the New Subsidiary
Guarantor as a guarantor pursuant to the terms of the Indenture;

     WHEREAS, the execution and delivery of this Fourth Supplemental Indenture
has been authorized by resolutions of the Board of Directors of each of the
Company and the New Subsidiary Guarantor; and

     WHEREAS, all conditions and requirements necessary to make this Fourth
Supplemental Indenture a valid, binding legal instrument in accordance with its
terms have been performed and fulfilled by the parties hereto and the execution
and delivery thereof have been in all respects duly authorized by the parties
hereto.

     NOW, THEREFORE, in consideration of the above premises, each party agrees,
for the benefit of the others and for the equal and ratable benefit of the
holders of the Notes, as follows:

                                       2
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                                   ARTICLE I.

                     ASSUMPTION OF OBLIGATIONS AS GUARANTOR

Section 1.01. ASSUMPTION. The New Subsidiary Guarantor hereby expressly and
unconditionally assumes each and every covenant, agreement and undertaking of a
Guarantor in the Indenture as of the date of this Fourth Supplemental Indenture,
and also hereby expressly and unconditionally assumes each and every covenant,
agreement and undertaking of a Guarantor in each Note outstanding on the date of
this Fourth Supplemental Indenture.

                                   ARTICLE II.

                            MISCELLANEOUS PROVISIONS

Section 2.01. TERMS DEFINED. For all purposes of this Fourth Supplemental
Indenture, except as otherwise defined or unless the context otherwise requires,
terms used in capitalized form in this Fourth Supplemental Indenture and defined
in the Indenture have the meanings specified in the Indenture.

Section 2.02. INDENTURE. Except as amended hereby, the Indenture and the Notes
are in all respects ratified and confirmed and all the terms shall remain in
full force and effect.

Section 2.03. GOVERNING LAW. THIS FOURTH SUPPLEMENTAL INDENTURE SHALL BE
GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK,
AS APPLIED TO CONTRACTS MADE AND PERFORMED WITHIN THE STATE OF NEW YORK, WITHOUT
REGARD TO PRINCIPLES OF CONFLICT OF LAWS.

Section 2.04. SUCCESSORS. All agreements of the Company and the New Subsidiary
Guarantor in this Fourth Supplemental Indenture and the Notes shall bind their
successors. All agreements of the Trustee in this Fourth Supplemental Indenture
shall bind its successors.

Section 2.05. DUPLICATE ORIGINALS. All parties may sign any number of copies of
this Fourth Supplemental Indenture. Each signed copy shall be an original, but
all of them together shall represent the same agreement.

                                       3
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Section 2.06. SEVERABILITY. In case any one or more of the provisions in this
Fourth Supplemental Indenture or in the Notes shall be held invalid, illegal or
unenforceable, in any respect for any reason, the validity, legality and
enforceability of any such provision in every other respect and of the remaining
provisions shall not in any way be affected or impaired thereby, it being
intended that all of the provisions hereof shall be enforceable to the full
extent permitted by law.

Section 2.07. TRUSTEE DISCLAIMER. The Trustee accepts the amendment of the
Indenture effected by this Fourth Supplemental Indenture and agrees to execute
the trust created by the Indenture as hereby amended, but on the terms and
conditions set forth in the Indenture, including the terms and provisions
defining and limiting the liabilities and responsibilities of the Trustee, which
terms and provisions shall in like manner define and limit its liabilities and
responsibilities in the performance of the trust created by the Indenture as
hereby amended, and without limiting the generality of the foregoing, the
Trustee shall not be responsible in any manner whatsoever for or with respect to
any of the recitals or statements contained herein, all of which recitals or
statements are made solely by the Company and the New Subsidiary Guarantor, or
for or with respect to (i) the validity or sufficiency of this Fourth
Supplemental Indenture or any of the terms or provisions hereof, (ii) the proper
authorization hereof by the Company and the New Subsidiary Guarantor by
corporate action or otherwise, (iii) the due execution hereof by the Company and
the New Subsidiary Guarantor or (iv) the consequences (direct or indirect and
whether deliberate or inadvertent) of any amendment herein provided for, and the
Trustee makes no representation with respect to any such matters.

Section 2.08. EFFECTIVENESS. This Fourth Supplemental Indenture shall become
effective, once executed, upon receipt by the Trustee of a certificate of an
appropriate officer of the Company; and an opinion of Weil, Gotshal & Manges
LLP, counsel to the Company, each of which shall be dated no earlier than the
date hereof.

            [THE REMAINDER OF THIS PAGE IS INTENTIONALLY LEFT BLANK.]

                                       4
<Page>

     IN WITNESS WHEREOF, the parties hereto have caused this Fourth Supplemental
Indenture to be duly executed as of the day and year written above.

                                         UNITED STATIONERS SUPPLY CO., as
                                         Issuer

                                         By:
                                               ---------------------------------
                                         Name:
                                               ---------------------------------
                                         Title:
                                               ---------------------------------

                                         UNITED STATIONERS TECHNOLOGY
                                         SERVICES LLC, as New Subsidiary
                                         Guarantor

                                         By:
                                               ---------------------------------
                                         Name:
                                               ---------------------------------
                                         Title:
                                               ---------------------------------

                                         THE BANK OF NEW YORK,
                                         as Trustee

                                         By:
                                               ---------------------------------
                                         Name:
                                               ---------------------------------
                                         Title:
                                               ---------------------------------<Page>

                                                                  EXHIBIT 4.10

                         GUARANTEE ASSUMPTION AGREEMENT

          GUARANTEE ASSUMPTION AGREEMENT (this "AGREEMENT") dated as of July 1,
2001 by United Stationers Technology Services LLC, an Illinois limited liability
company (the "ADDITIONAL SUBSIDIARY GUARANTOR"), in favor of The Chase Manhattan
Bank, as administrative agent for the lenders or other financial institutions or
entities party as "Lenders" to the Credit Agreement referred to below (in such
capacity, together with its successors in such capacity, the "ADMINISTRATIVE
AGENT").

          United Stationers Supply Co., United Stationers Inc., the lenders
party thereto and the Administrative Agent, are parties to the Third Amended and
Restated Credit Agreement dated as of June 29, 2000 (as modified and
supplemented and in effect from time to time, the "CREDIT AGREEMENT"). Terms
defined in the Credit agreement are used herein with the same meanings.

          Pursuant to Section 9.21(a) of the Credit Agreement, the Additional
Subsidiary Guarantor hereby agrees to become a "Subsidiary Guarantor" for all
purposes of the Credit Agreement, and a "Subsidiary Guarantor" and an "Issuer"
for all purposes of the Subsidiary Guarantee and Security Agreement (and hereby
supplements Annexes 1 through 6 to said Subsidiary Guarantee and Security
Agreement as specified in Appendix A). Without limiting the foregoing, the
Additional Subsidiary Guarantor hereby, jointly and severally with the other
Subsidiary Guarantors, guarantees to each Lender and the Administrative Agent
and their respective successors and assigns the prompt payment in full when due
(whether at stated maturity, by acceleration or otherwise) of all Guaranteed
Obligations (as defined in Section 3.01 of the Subsidiary Guarantee and Security
Agreement) in the same manner and to the same extent as is provided in Section 3
of the Subsidiary Guarantee and Security Agreement. In addition, the Additional
Subsidiary Guarantor hereby makes the representations and warranties set forth
in Section 2 of the Subsidiary Guarantee and Security Agreement, with respect to
itself and its obligations under this Agreement, as if each reference in such
Sections to the Credit Documents included reference to this Agreement.

          The Additional Subsidiary Guarantor hereby instructs its counsel to
deliver the opinions referred to in Section 9.21(a) of the Credit Agreement to
the Lenders and the Administrative Agent.

<Page>

          IN WITNESS WHEREOF, the Additional Subsidiary Guarantor has caused
this Guarantee Assumption Agreement to be duly executed and delivered as of the
day and year first above written.

                                 UNITED STATIONERS TECHNOLOGY
                                 SERVICES LLC

                                 By:
                                    -----------------------------------------
                                 Name:
                                      ---------------------------------------
                                 Title:
                                       --------------------------------------

Accepted and agreed:

THE CHASE MANHATTAN BANK,
  as Administrative Agent

By
  ----------------------
  Title:

                                        2
<Page>

                                                                      Appendix A

                  SUPPLEMENT TO ANNEX 1 OF SUBSIDIARY GUARANTEE
                             AND SECURITY AGREEMENT

                                  PLEDGED STOCK

                                      None

<Page>

                  SUPPLEMENT TO ANNEX 2 OF SUBSIDIARY GUARANTEE
                             AND SECURITY AGREEMENT

                   LIST OF COPYRIGHTS, COPYRIGHT REGISTRATIONS
                                       AND
                    APPLICATIONS FOR COPYRIGHT REGISTRATIONS

                              [See Section 2.04(d)]

                                      NONE

<Page>

                  SUPPLEMENT TO ANNEX 3 OF SUBSIDIARY GUARANTEE
                             AND SECURITY AGREEMENT

                     LIST OF PATENTS AND PATENT APPLICATION

                              [See Section 2.04(d)]

                                      NONE

<Page>

                  SUPPLEMENT TO ANNEX 4 OF SUBSIDIARY GUARANTEE
                             AND SECURITY AGREEMENT

                  LIST OF TRADENAMES, TRADEMARKS, SERVICE MARKS
                                       AND
            APPLICATIONS FOR TRADEMARK AND SERVICE MARK REGISTRATION

                              [See Section 2.04(d)]

                                      NONE

<Page>

                  SUPPLEMENT TO ANNEX 5 OF SUBSIDIARY GUARANTEE
                             AND SECURITY AGREEMENT

                LIST OF CONTRACTS, LICENSES AND OTHER AGREEMENTS

                       [See Section 2.04(d), (e) and (f)]

                              See attached document

<Page>

                  SUPPLEMENT TO ANNEX 6 OF SUBSIDIARY GUARANTEE
                             AND SECURITY AGREEMENT

                                LIST OF LOCATIONS

                               [SEE SECTION 6.07]

CHIEF EXECUTIVE OFFICE:
2200 East Golf Road
Des Plaines, Illinois  60016

OTHER LOCATIONS:
2001 Rand Road
Des Plaines, Illinois  60016

1661 Feehanville Road
Mt. Prospect, Illinois 60056

<Page>

                         GUARANTEE ASSUMPTION AGREEMENT

          GUARANTEE ASSUMPTION AGREEMENT (this "AGREEMENT") dated as of May 1,
2001 by United Stationers Financial Services LLC, an Illinois limited liability
company (the "ADDITIONAL SUBSIDIARY GUARANTOR"), in favor of The Chase Manhattan
Bank, as administrative agent for the lenders or other financial institutions or
entities party as "Lenders" to the Credit Agreement referred to below (in such
capacity, together with its successors in such capacity, the "ADMINISTRATIVE
AGENT").

          United Stationers Supply Co., United Stationers Inc., the lenders
party thereto and the Administrative Agent, are parties to the Third Amended and
Restated Credit Agreement dated as of June 29, 2000 (as modified and
supplemented and in effect from time to time, the "CREDIT AGREEMENT"). Terms
defined in the Credit Agreement are used herein with the same meanings.

          Pursuant to Section 9.21(a) of the Credit Agreement, the Additional
Subsidiary Guarantor hereby agrees to become a "Subsidiary Guarantor" for all
purposes of the Credit Agreement, and a "Subsidiary Guarantor" and an "Issuer"
for all purposes of the Subsidiary Guarantee and Security Agreement (and hereby
supplements Annexes 1 through 6 to said Subsidiary Guarantee and Security
Agreement as specified in Appendix A). Without limiting the foregoing, the
Additional Subsidiary Guarantor hereby, jointly and severally with the other
Subsidiary Guarantors, guarantees to each Lender and the Administrative Agent
and their respective successors and assigns the prompt payment in full when due
(whether at stated maturity, by acceleration or otherwise) of all Guaranteed
Obligations (as defined in Section 3.01 of the Subsidiary Guarantee and Security
Agreement) in the same manner and to the same extent as is provided in Section 3
of the Subsidiary Guarantee and Security Agreement. In addition, the Additional
Subsidiary Guarantor hereby makes the representations and warranties set forth
in Section 2 of the Subsidiary Guarantee and Security Agreement, with respect to
itself and its obligations under this Agreement, as if each reference in such
Sections to the Credit Documents included reference to this Agreement.

          The Additional Subsidiary Guarantor hereby instructs its counsel to
deliver the opinions referred to in Section 9.21(a) of the Credit Agreement to
the Lenders and the Administrative Agent.

<Page>

          IN WITNESS WHEREOF, the Additional Subsidiary Guarantor has caused
this Guarantee Assumption Agreement to be duly executed and delivered as of the
day and year first above written.

                                  UNITED STATIONERS FINANCIAL
                                  SERVICES LLC

                                  By:
                                     -----------------------------------------
                                  Name:
                                       ---------------------------------------
                                  Title:
                                        --------------------------------------

Accepted and agreed:

THE CHASE MANHATTAN BANK,
  as Administrative Agent

By
  -----------------------
  Title:

                                        2
<Page>

                                                                      Appendix A

                  SUPPLEMENT TO ANNEX 1 OF SUBSIDIARY GUARANTEE
                             AND SECURITY AGREEMENT

                                  PLEDGED STOCK

                          [See Section 2.04(b) and (c)]

<Table>
<Caption>
--------------------------------------------------------------------------------
Issuer   Certificate     Record or        Number of Shares   Par Value  Class
           Number     Beneficial Owner
--------------------------------------------------------------------------------
<S>      <C>          <C>                 <C>                <C>        <C>

--------------------------------------------------------------------------------

--------------------------------------------------------------------------------
</Table>

                                      None

<Page>

                  SUPPLEMENT TO ANNEX 2 OF SUBSIDIARY GUARANTEE
                             AND SECURITY AGREEMENT

                   LIST OF COPYRIGHTS, COPYRIGHT REGISTRATIONS
                                       AND
                    APPLICATIONS FOR COPYRIGHT REGISTRATIONS

                              [See Section 2.04(d)]

                                      None

<Page>

                  SUPPLEMENT TO ANNEX 3 OF SUBSIDIARY GUARANTEE
                             AND SECURITY AGREEMENT

                     LIST OF PATENTS AND PATENT APPLICATION

                              [See Section 2.04(d)]

                                      None

<Page>

                  SUPPLEMENT TO ANNEX 4 OF SUBSIDIARY GUARANTEE
                             AND SECURITY AGREEMENT

                  LIST OF TRADENAMES, TRADEMARKS, SERVICE MARKS
                                       AND
            APPLICATIONS FOR TRADEMARK AND SERVICE MARK REGISTRATION

                              [See Section 2.04(d)]

                                      None

<Page>

                  SUPPLEMENT TO ANNEX 5 OF SUBSIDIARY GUARANTEE
                             AND SECURITY AGREEMENT

                LIST OF CONTRACTS, LICENSES AND OTHER AGREEMENTS

                       [See Section 2.04(d), (e) and (f)]

                                      None

<Page>

                  SUPPLEMENT TO ANNEX 6 OF SUBSIDIARY GUARANTEE
                             AND SECURITY AGREEMENT

                                LIST OF LOCATIONS

                               [SEE SECTION 6.07]

2001 Rand Road
Des Plaines, Illinois  60016

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