Document:

<PAGE>

                                                                    Exhibit 10.1

                                                                  Dated: 2/14/02

                           FOURTH AMENDMENT TO AMENDED
                    AND RESTATED CREDIT AGREEMENT AND CONSENT

     THIS FOURTH AMENDMENT TO AMENDED AND RESTATED CREDIT AGREEMENT AND CONSENT
(this "Agreement") dated as of the 14th day of February, 2002 (the "Agreement
       ---------                                                    ---------
Date"), by and among iPCS WIRELESS, INC. (the "Borrower"), a Delaware
----                                           --------
corporation, iPCS, INC., ("Holdings"), a Delaware corporation, iPCS EQUIPMENT,
                           --------
INC. ("Equipmentco"), a Delaware corporation (collectively with the Borrower and
       -----------
Holdings, the "Loan Parties"), the Lenders (as defined in the Credit Agreement
               ------------
defined below), and TORONTO DOMINION (TEXAS), INC., as administrative agent (the
"Administrative Agent").
 --------------------

                              W I T N E S S E T H:
                              - - - - - - - - - -

     WHEREAS, the Loan Parties, the Lenders and the Administrative Agent are
parties to that certain Amended and Restated Credit Agreement dated as of July
12, 2000, as amended by that certain First Amendment to Amended and Restated
Credit Agreement and Consent dated as of February 23, 2001, by that certain
Second Amendment to Amended and Restated Credit Agreement and Consent dated as
of September 28, 2001, and as further amended by that certain Third Amendment to
Amended and Restated Credit Agreement dated as of December 19, 2001 (the "Credit
                                                                          ------
Agreement");
---------

     WHEREAS, the Borrower has requested that the Lenders, and the Lenders have
agreed to, subject to the terms hereof, amend the Credit Agreement as more fully
set forth herein; and

     WHEREAS, resulting from the consummation of the AirGate Merger, AirGate,
AGW Leasing, Inc., Holdings and the Borrower entered into that certain Tax
Allocation Agreement dated November 30, 2001 (the "AirGate Tax Allocation
                                                   ----------------------
Agreement") and Holdings, AirGate and AirGate Services Company, Inc.
---------
("ServiceCo"), a wholly-owned subsidiary of AirGate entered into that certain
  ---------
Technology License Agreement dated December 1, 2001 (the "Technology License
                                                          ------------------
Agreement");
---------

     WHEREAS, the Borrower has requested that the Lenders, and the Lenders have
agreed, subject to the terms hereof, to consent to Holdings entering into an
agreement with ServiceCo to provide administrative services to Holdings, the
Borrower and its Subsidiaries (the "Services Agreement");
                                    ------------------

     NOW, THEREFORE, in consideration of the premises set forth above, the
covenants and agreements hereinafter set forth, and other good and valuable
consideration, the receipt and sufficiency of which are hereby acknowledged, the
parties hereto agree that all capitalized terms used and not defined herein
shall have the meanings ascribed thereto in the Credit Agreement, and further
agree as follows:

<PAGE>

     1.   Amendment to Section 1.1. Section 1.1, Definitions, of the Credit
          ------------------------               -----------
Agreement is hereby amended by deleting each of the following definitions of
"Approved Management Agreement", "Approved Tax Allocation Agreement", "Business
Plan" and "Restricted Payment" in its entirety and by substituting in lieu
thereof the following:

          "`Approved Management Agreement' means, collectively, (a) that certain
            -----------------------------
     Management Services Agreement dated as of the Effective Date between
     Holdings and the Borrower and (b) that certain Services Agreement dated as
     of January 1, 2002 by and among AirGate Services Company, Inc., AirGate and
     Holdings."

          "`Approved Tax Allocation Agreement' means, collectively, (a) that
            ---------------------------------
     certain Tax Allocation Agreement dated as of the Effective Date between
     Holdings and the Borrower and (b) that certain Tax Allocation Agreement
     dated as of November 30, 2001 by and among AirGate, AGW Leasing, Inc.,
     Holdings and the Borrower."

          "`Business Plan' means the Borrower's marketing and construction plans
            -------------
     for the Service Area Network, budget and schedule as submitted to and
     approved by the Administrative Agent, including financial projections of
     the Borrower and its Consolidated Subsidiaries for the seven year period
     beginning on January 1, 2002, with quarterly detail through December 31,
     2003, certified by the chief financial officer of the Borrower as being
     prepared generally in accordance with GAAP (except for the absence of
     footnotes), such construction plans giving effect to the Build-out Plan and
     such projections giving effect to the Debt to be incurred under this
     Agreement as well as the other Debt to be incurred by the Borrower and its
     Consolidated Subsidiaries during such period. Unless any amendment or
     modification thereto or replacement thereof made in accordance with Section
                                                                         -------
     9.14, the Business Plan dated as of February 4, 2002 shall be the Business
     ----
     Plan for purposes of this Agreement."

          "`Restricted Payment' means (a) any dividend or other distribution,
            ------------------
     payment or penalty (whether in cash, Property or obligations), direct or
     indirect, on account of, in connection with or with respect to (or the
     setting apart of money for a sinking or other analogous fund for) any
     shares of any class of Capital Stock of the Borrower or any of its
     Subsidiaries now or hereafter outstanding, except a dividend payable solely
     in shares of that class of Capital Stock to the holders of that class; (b)
     any redemption, conversion, exchange, retirement, sinking fund or similar
     payment, purchase or other acquisition for value, direct or indirect, of or
     with respect to any shares of any class of Capital Stock of the Borrower or
     any of its Subsidiaries now or hereafter outstanding; (c) any payment or
     prepayment of principal of, premium, if any, or interest on, or any
     redemption, conversion, exchange, purchase, retirement or defeasance of, or
     payment with respect to, any subordinated debt; and (d) any payment made to
     retire, or to obtain the surrender of, any outstanding warrants, options or
     other rights to acquire shares of any class of Capital Stock of the
     Borrower or any of its Subsidiaries now or hereafter outstanding.
     Notwithstanding the foregoing, Restricted Payment shall exclude any
     payments made in connection with the Approved Management Agreement or
     Approved Tax Allocation Agreement."

                                        2

<PAGE>

     2.   Amendments to Article 10.
          ------------------------

          (a)  Amendment to Section 10.1. Section 10.1, Total Debt to Total
               -------------------------                -------------------
Capitalization, of the Credit Agreement is hereby amended by deleting such
--------------
Section in its entirety and by substituting in lieu thereof the following:

          "Section 10.1 Total Debt to Total Capitalization. From the Effective
                        ----------------------------------
     Date until September 29, 2003, the Loan Parties will not permit the Total
     Debt of Holdings and its Consolidated Subsidiaries outstanding at the end
     of any calendar quarter to exceed 71.5% of the Total Capitalization of
     Holdings and its Consolidated Subsidiaries on such date."

          (b)  Amendment to Section 10.2. Section 10.2, Senior Debt to Total
               -------------------------                --------------------
Capitalization, of the Credit Agreement is hereby amended by deleting such
--------------
Section in its entirety and by substituting in lieu thereof the following:

          "Section 10.2 Senior Debt to Total Capitalization. From the Effective
                        -----------------------------------
     Date until September 29, 2003, the Borrower will not permit the Senior Debt
     of the Borrower and its Consolidated Subsidiaries outstanding at the end of
     any calendar quarter to exceed 30% of the Total Capitalization of the
     Borrower on such date."

          (c)  Amendment to Section 10.3. Section 10.3, Quarterly Minimum
               -------------------------                -----------------
Revenue Levels, of the Credit Agreement is hereby amended by deleting such
--------------
Section in its entirety and by substituting in lieu thereof the following:

          "Section 10.3 Quarterly Minimum Revenue Levels. Until September 29,
                        --------------------------------
     2003, the Borrower will not permit Gross Revenues, exclusive of any and all
     revenues attributable to the sale, lease or license of handsets,
     accessories and other inventory, for any calendar quarter during any of the
     periods set forth below to be less than the amount set forth opposite such
     date:

                        Period                            Minimum Revenue Level
                        ------                            ---------------------
     From the Effective Date through September 30, 2000          $ 3,180,000

     From October 1, 2000 through December 31, 2000              $ 4,970,000

     From January 1, 2001 through March 31, 2001                 $10,460,000

     From April 1, 2001 through June 30, 2001                    $14,330,000

     From July 1, 2001 through September 30, 2001                $16,930,000

     From October 1, 2001 through December 31, 2001              $20,540,000

     From January 1, 2002 through March 31, 2002                 $26,740,000

     From April 1, 2002 through June 30, 2002                    $39,940,000

                                       3

<PAGE>

                        Period                            Minimum Revenue Level
                        ------                            ---------------------
     From July 1, 2002 through September 30, 2002                $45,980,000

     From October 1, 2002 through December 31, 2002              $50,130,000

     From January 1, 2003 through March 31, 2003                 $55,140,000

     From April 1, 2003 through September 29, 2003               $60,350,000"

          (d) Amendment to Section 10.4. Section 10.4, Annualized EBITDA, of the
              -------------------------                -----------------
Credit Agreement is hereby amended by deleting such Section in its entirety and
by substituting in lieu thereof the following:

          "Section 10.4 Annualized EBITDA. Until September 29, 2003, the
                        -----------------
     Borrower will not permit Annualized EBITDA at the end of any calendar
     quarter during any of the periods set forth below to be less than the
     amount set forth opposite such date:

                                       4

<PAGE>
                            Period                             Annualized EBITDA
                            ------                             -----------------

      From the Effective Date through September 30, 2000          ($24,270,000)

      From October 1, 2000 through December 31, 2000              ($30,600,000)

      From January 1, 2001 through March 31, 2001                 ($38,940,000)

      From April 1, 2001 through June 30, 2001                    ($31,260,000)

      From July 1, 2001 through September 30, 2001                ($45,250,000)

      From October 1, 2001 through December 31, 2001              ($61,100,000)

      From January 1, 2002 through March 31, 2002                 ($50,760,000)

      From April 1, 2002 through June 30, 2002                    ($35,350,000)

      From July 1, 2002 through September 30, 2002                ($22,130,000)

      From October 1, 2002 through December 31, 2002              ($19,390,000)

      From January 1, 2003 through March 31, 2003                 ($13,070,000)

      From April 1, 2003 through September 29, 2003                 $8,160,000"

          (e) Amendment to Section 10.5. Section 10.5, Wireless Subscribers, of
              -------------------------                 --------------------
the Credit Agreement is hereby amended by deleting such Section in its entirety
and by substituting in lieu thereof the following:

          "Section 10.5 Wireless Subscribers. Until September 29, 2003, the
                        --------------------
     Borrower will not permit Wireless Subscribers at the end of any calendar
     quarter during any of the periods set forth below to be less than the
     amount set forth opposite such date:

                                       5

<PAGE>
                           Period                            Minimum Subscribers
                           ------                            -------------------
      From the Effective Date through September 30, 2000              16,000

      From October 1, 2000 through December 31, 2000                  25,600

      From January 1, 2001 through March 31, 2001                     54,900

      From April 1, 2001 through June 30, 2001                        65,700

      From July 1, 2001 through September 30, 2001                    82,600

      From October 1, 2001 through December 31, 2001                 106,600

      From January 1, 2002 through March 31, 2002                    131,200

      From April 1, 2002 through June 30, 2002                       191,500

      From July 1, 2002 through September 30, 2002                   218,600

      From October 1, 2002 through December 31, 2002                 250,200

      From January 1, 2003 through March 31, 2003                    275,600

      From April 1, 2003 through September 29, 2003                 300,600"

          (f) Amendment to Section 10.6. Section 10.6, Capital Expenditures, of
              -------------------------                --------------------
the Credit Agreement is hereby amended by deleting such Section in its entirety
and by substituting in lieu thereof the following:

          "Section 10.6 Capital Expenditures. Until March 30, 2004, the Borrower
                        --------------------
     will not permit cumulative Capital Expenditures for the period beginning on
     January 1, 2000 and at the end of each calendar quarter during the periods
     set forth below to exceed the amount set forth opposite such date, provided
     that cumulative Capital Expenditures shall exclude, if and to the extent
     applicable, an amount equal to the net proceeds paid to the Borrower or any
     of its Consolidated Subsidiaries in connection with the sale of certain
     capital assets for which such Capital Expenditure was made, such sale being
     made pursuant to Section 9.9(a) hereof:

                                       6

<PAGE>
                          Period                             Cumulative Capital
                          ------                                Expenditures
                                                                ------------

      From the Effective Date through September 30, 2000          $94,000,000

      From October 1, 2000 through December 31, 2000             $112,880,000

      From January 1, 2001 through March 31, 2001                $180,080,000

      From April 1, 2001 through June 30, 2001                   $217,510,000

      From July 1, 2001 through September 30, 2001               $252,550,000

      From October 1, 2001 through December 31, 2001             $268,160,000

      From January 1, 2002 through March 31, 2002                $272,830,000

      From April 1, 2002 through June 30, 2002                   $273,960,000

      From July 1, 2002 through September 30, 2002               $281,720,000

      From October 1, 2002 through December 31, 2002             $285,270,000

      From January 1, 2003 through March 31, 2003                $290,610,000

      From April 1, 2003 through June 30, 2003                   $295,940,000

      From July 1, 2003 through September 30, 2003               $302,760,000

      From October 1, 2003 through March 30, 2004               $310,360,000"

          (g) Amendment to Section 10.7. Section 10.7, Leverage Ratio, of the
              -------------------------                --------------
Credit Agreement is hereby amended by deleting such Section in its entirety and
by substituting in lieu thereof the following:

          "Section 10.7 Leverage Ratio. The Borrower will not permit the
                        --------------
     Leverage Ratio at the end of any calendar quarter during any of the periods
     set forth below to exceed the ratio set forth opposite such date:

                                       7

<PAGE>
                              Period                        Leverage Ratio
                              ------                        --------------

      On September 30, 2003                                     17.25:1

      From October 1, 2003 through December 31, 2003            16.50:1

      From January 1, 2004 through December 31, 2004             5.00:1

      From January 1, 2005 through December 31, 2005             3.50:1

      From January 1, 2006 through December 31, 2006             2.50:1

      From January 1, 2007 through the Maturity Date             2.00:1"

            (h)      Amendment to Section 10.8. Section 10.8, Senior Leverage
                     -------------------------                ---------------
     Ratio, of the Credit Agreement is hereby amended by deleting such Section
     -----
     in its entirety and by substituting in lieu thereof the following:

            "Section 10.8 Senior Leverage Ratio. The Borrower will not permit
                          ---------------------
the Senior Leverage Ratio at the end of any calendar quarter during any of the
periods set forth below to exceed the ratio set forth opposite such date:

                              Period                     Senior Leverage Ratio
                              ------                     ---------------------

      On September 30, 2003                                      6.50:1

      From October 1, 2003 through December 31, 2003             6.00:1

      From January 1, 2004 through December 31, 2004             2.00:1

      From January 1, 2005 through the Maturity Date             1.50:1"

            (i)      Amendment to Section 10.9. Section 10.9, Interest Coverage
                     -------------------------                -----------------
Ratio, of the Credit Agreement is hereby amended by deleting such Section in its
-----
entirety and by substituting in lieu thereof the following:

            "Section 10.9 Interest Coverage Ratio. The Borrower will not permit
                          -----------------------
     the ratio of (a) Annualized EBITDA for any calendar quarter during any of
     the periods set forth below to (b) Consolidated Interest Expense for the
     immediately preceding two (2) calendar quarters times two (2), to be less
     than the ratio set forth opposite such date:

                                        8

<PAGE>
                              Period                  Interest Coverage Ratio
                              ------                  -----------------------

      On September 30, 2003                                      1.75:1

      From October 1, 2003 through December 31, 2003             2.00:1

      From January 1, 2004 through December 31, 2004             2.00:1

      From January 1, 2005 through December 31, 2005             2.00:1

      From January 1, 2006 through December 31, 2006             3.00:1

      From January 1, 2007 through December 31, 2007             3.00:1

      From January 1, 2008 through the Maturity Date             3.00:1

            (j)      Amendment to Section 10.11. Section 10.11, Pro Forma Debt
                     --------------------------                 --------------
Service, of the Credit Agreement is hereby amended by deleting such Section in
-------
its entirety and by substituting in lieu thereof the following:

            "Section 10.11 Pro Forma Debt Service. The Borrower will not
                             ----------------------
         permit the ratio of (a) Annualized EBITDA for any calendar quarter
         during any of the periods ending on any of the dates set forth below to
         (b) Pro Forma Debt Service, to be less than the ratio set forth
         opposite such date:

                              Period                     Pro Forma Debt Service
                              ------                     ----------------------

      On September 30, 2003                                      1.10:1

      From October 1, 2003 through December 31, 2003             1.10:1

      From January 1, 2004 through December 31, 2004             1.25:1

      From January 1, 2005 through December 31, 2005             1.25:1

      From January 1, 2006 through December 31, 2006             1.50:1

      From January 1, 2007 through December 31, 2007             2.00:1

      From January 1, 2008 through the Maturity Date             2.00:1"

       (k)           Addition of Section 10.12. Article 10 of the Credit
                     -------------------------
Agreement is hereby further amended by adding the following new Section 10.12
Minimum Cash Balance / Availability:
------------------------------------

                                        9

<PAGE>
                  "Section 10.12 Minimum Cash Balance / Availability. The
                                 -----------------------------------
Borrower will not permit, at any time, the sum of (a) its cash on hand and (b)
Available Tranche A Commitment to be less than $10,000,000."

       3.            Consent to Agreements. Subject to the terms and conditions
                     ---------------------
hereof, notwithstanding any provisions of the Loan Documents to the contrary,
the undersigned Lenders hereby consent to the Technology License Agreement and
the AirGate Tax Allocation Agreement, and to Holdings entering into the Services
Agreement, and to such other transactions and agreements contemplated therein,
including, without limitation, the payment by the Borrower and its subsidiaries
to Holdings of the fees contemplated in the Services Agreement; so long as (a)
the cost allocation method utilized in the Services Agreement and related
agreements is based on the number of Subscribers and (b) the Technology License
Agreement, the AirGate Tax Allocation Agreement, the Services Agreement and any
such other transactions and agreements contemplated therein shall be in form and
substance reasonably satisfactory to the Administrative Agent. By execution
hereof, the Required Lenders hereby direct and authorize the Administrative
Agent to take such actions and enter into such agreements as may be necessary to
give effect to the foregoing consent.

       4.            Confirmation of Guaranties and Security Documents. After
                     --------------------------------------------------
giving effect to this Agreement: (a) Holdings hereby acknowledges and agrees
that the terms and conditions of its Guaranty Agreement shall remain in full
force and effect; (b) Equipmentco hereby acknowledges and agrees that the terms
and conditions of its Guaranty Agreement shall remain in full force and effect;
and (c) the Loan Parties hereby acknowledge and agree that the terms and
conditions of each of the Security Documents shall remain in full force and
effect.

       5.            No Other Amendment or Waiver. Notwithstanding the agreement
                     ----------------------------
of the Lenders to the terms and provisions of this Agreement, the Loan Parties
acknowledge and expressly agree that this Agreement is limited to the extent
expressly set forth herein and shall not constitute a modification of the Credit
Agreement or any other Loan Documents or a course of dealing at variance with
the terms of the Credit Agreement or any other Loan Documents (other than as
expressly set forth above) so as to require further notice by the Administrative
Agent or the Lenders, or any of them, of its or their intent to require strict
adherence to the terms of the Credit Agreement and the other Loan Documents in
the future. All of the terms, conditions, provisions and covenants of the Credit
Agreement and the other Loan Documents shall remain unaltered and in full force
and effect except as expressly modified by this Agreement. The Credit Agreement
and each other Loan Document shall be deemed modified hereby solely to the
extent necessary to effect the waivers and amendments contemplated hereby.

       6.            Representations and Warranties. The Loan Parties hereby
                     ------------------------------
represent and warrant in favor of the Administrative Agent and each Lender as
follows:

            (a)      Each of the Loan Parties has the corporate power and
authority (i) to enter into this Agreement and (ii) to do all other acts and
things as are required or contemplated hereunder to be done, observed and
performed by them;

            (b)      This Agreement has been duly and validly executed and
delivered by each of the Loan Parties that is a party thereto, and such
Agreement constitutes the legal, valid and

                                       10

<PAGE>
binding obligations of such Persons, enforceable against each such Person in
accordance with their respective terms, except as limited by bankruptcy,
insolvency or other laws of general application relating to the enforcement of
creditors' rights and general principles of equity.

            (c)      The execution and delivery of this Agreement and the
performance by the Loan Parties under the Credit Agreement and the other Loan
Documents to which each is a party, as amended hereby, do not and will not
require the consent or approval of any regulatory authority or governmental
authority or agency having jurisdiction over the Loan Parties or any of their
Subsidiaries which has not already been obtained, nor is in contravention of or
in conflict with the articles of incorporation, by-laws or partnership
agreements of the Loan Parties or any of their Subsidiaries, or any provision of
any statute, judgment, order, or material indenture, instrument, agreement, or
undertaking to which Loan Parties or any of their Subsidiaries is a party or by
which any of their respective assets or properties is or may become bound; and

            (d)      The representations and warranties contained in Article 7
of the Credit Agreement and contained in the other Loan Documents remain true
and correct as of the date hereof, both before and after giving effect to this
Agreement, except to the extent previously fulfilled in accordance with the
terms of the Credit Agreement or such other Loan Document, as applicable, or to
the extent relating specifically to the earlier date. No Default now exists or
will be caused hereby.

       7.            Conditions Precedent; Effective Date. This Agreement shall
                     ------------------------------------
be effective as of the Agreement Date subject to satisfaction of each of the
following conditions precedent:

            (a)      all of the representations and warranties of the Borrower
under Section 6 hereof which are made as of the date hereof, being true and
correct in all material respects;

            (b)      receipt by the Administrative Agent of counterparts hereof
executed by the Required Lenders and each of the Loan Parties;

            (c)      receipt by the Administrative Agent, on behalf of the
Lenders executing and delivering this Agreement on or before February 14, 2002,
of an amendment fee in the amount of .250% of the aggregate Commitments of such
Lenders (such sum, the "Amendment Fee"), which Amendment Fee shall be fully
                        -------------
earned when due and non-refundable when paid; and

            (d)      satisfaction of each of the conditions to the Consent set
forth in Section 3 hereof.

       8.            Counterparts. This Agreement may be executed in any number
                     ------------
of counterparts, each of which shall be deemed to be an original, but all such
separate counterparts shall together constitute one and the same instrument.

       9.            Loan Documents. Each reference in the Credit Agreement or
                     --------------
any other Loan Document to the term "Credit Agreement" shall hereafter mean and
refer to the Credit Agreement as amended hereby and as the same may hereafter be
amended.

                                       11

<PAGE>

       10.           Governing Law. This Agreement shall be construed in
                     -------------
accordance with and governed by the internal laws of the State of New York,
applicable to agreements made and to be performed in New York.

       11.           Severability. Any provision of this Agreement which is
                     ------------
prohibited or unenforceable in any jurisdiction shall be ineffective to the
extent of such prohibition or unenforceability without invalidating the
remaining provisions hereof in that jurisdiction or affecting the validity or
enforceability of such provision in any other jurisdiction.

                  [REMAINDER OF PAGE INTENTIONALLY LEFT BLANK]

                                       12

<PAGE>

         IN WITNESS WHEREOF, the parties hereto have executed this Agreement or
caused it to be executed under seal by their duly authorized officers, all as of
the day and year first above written.

BORROWER:                                iPCS WIRELESS, INC.,
                                         a Delaware corporation

                                         By:      /s/  Alan B. Catherall
                                            ------------------------------------
                                         Name:    Alan B. Catherall
                                              ----------------------------------
                                         Title:   Chief Financial Officer
                                               ---------------------------------

HOLDINGS:                                iPCS, INC., a Delaware corporation

                                         By:      /s/  Alan B. Catherall
                                            ------------------------------------
                                         Name:    Alan B. Catherall
                                              ----------------------------------
                                         Title:   Chief Financial Officer
                                               ---------------------------------

EQUIPMENTCO:                             iPCS EQUIPMENT, INC.,
                                         a Delaware corporation

                                         By:      /s/  Alan B. Catherall
                                            ------------------------------------
                                         Name:    Alan B. Catherall
                                              ----------------------------------
                                         Title:   Chief Financial Officer
                                               ---------------------------------

                                                             iPCS WIRELESS, INC.
                                        FOURTH AMENDMENT TO AMENDED AND RESTATED
                                                    CREDIT AGREEMENT AND CONSENT
                                                                Signature Page 1

<PAGE>

ADMINISTRATIVE AGENT
AND LENDERS:                          TORONTO DOMINION (TEXAS), INC., as
                                      Administrative Agent and as a Lender

                                      By:      /s/  Jeff Lents
                                         --------------------------------
                                      Name:      Jeff Lents
                                           ------------------------------
                                      Title:     Vice President
                                            -----------------------------

                                                             iPCS WIRELESS, INC.
                                        FOURTH AMENDMENT TO AMENDED AND RESTATED
                                                    CREDIT AGREEMENT AND CONSENT
                                                                Signature Page 2

<PAGE>

                                          THE BANK OF NOVA SCOTIA, as a Lender

                                           By:      /s/ Stephen C. Levi
                                              --------------------------------
                                           Name:    Stephen C. Levi
                                                ------------------------------
                                           Title:   Authorized Signatory
                                                 -----------------------------

                                                             iPCS WIRELESS, INC.
                                        FOURTH AMENDMENT TO AMENDED AND RESTATED
                                                    CREDIT AGREEMENT AND CONSENT
                                                                Signature Page 3

<PAGE>
                                          CITY NATIONAL BANK, as a Lender

                                          By: /s/ Aaron Cohen
                                             -----------------------------------
                                          Name:  Aaron Cohen
                                               ---------------------------------
                                          Title: Vice President
                                                --------------------------------

                                                             iPCS WIRELESS, INC.
                                        FOURTH AMENDMENT TO AMENDED AND RESTATED
                                                    CREDIT AGREEMENT AND CONSENT
                                                                Signature Page 4

<PAGE>

                                          IBM CREDIT CORPORATION, as a Lender

                                          By: /s/ Thomas C. Lurcio
                                             -----------------------------------
                                          Name:  Thomas C. Lurcio
                                               ---------------------------------
                                          Title: Manager of Credit
                                                --------------------------------

                                                             iPCS WIRELESS, INC.
                                        FOURTH AMENDMENT TO AMENDED AND RESTATED
                                                    CREDIT AGREEMENT AND CONSENT
                                                                Signature Page 5

<PAGE>
                                          NATIONAL CITY BANK, as a Lender

                                          By: /s/ Chris Kalmbach
                                             -----------------------------------
                                          Name:  Chris Kalmbach
                                               ---------------------------------
                                          Title: Senior Vice President
                                                --------------------------------

                                                             iPCS WIRELESS, INC.
                                        FOURTH AMENDMENT TO AMENDED AND RESTATED
                                                    CREDIT AGREEMENT AND CONSENT
                                                                Signature Page 6Prepared by R.R. Donnelley Financial -- Amendment #1 to Five Year Credit Agreement

  
 Form 10-K 
 Year Ended 12/31/2001

 Exhibit 4(e) 
  
 AMENDMENT NO. 1 TO FIVE YEAR CREDIT AGREEMENT

  
 This Amendment No. 1 to Five Year Credit Agreement (this “Amendment Agreement”) is entered into as of October 11,
2001 by and among R.R. Donnelley & Sons Company (the “Company”), the undersigned lenders (the “Banks”), and Bank One, NA, (f/k/a The First National Bank of Chicago) as Administrative Agent (the “Agent”).

  
 W I T N E S S E T H : 
  
 WHEREAS, the Company, the Banks and the Agent entered into that certain Five Year Credit Agreement dated as of December 11, 1998 (the “Credit Agreement”); and 
  
 WHEREAS, the Company, the Banks and the Agent have agreed to amend the Credit Agreement on the terms and conditions herein set forth; 
  
 NOW, THEREFORE, for good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the parties hereto hereby agree as
follows: 
  
 1.  Defined Terms.    Capitalized terms used herein and not otherwise defined
herein shall have the meanings attributed to such terms in the Credit Agreement, as amended hereby. 
  
 2.  Amendments
to Credit Agreement. 
  
 2.1  Article I of the Credit Agreement is hereby amended by (a) adding the
definitions of “Bank One”, “Receivables”, “Related Security”, “Securitization Transactions” and “SPV” as follows: 
  
 “Bank One” means Bank One, NA, a national banking association having its headquarters in Chicago, Illinois, in its individual capacity, and its
successors. 
  
 “Receivables” means a payment owing to a Person (whether constituting an
account, chattel paper, document, instrument or general intangible) arising from the provision of merchandise, goods or services by such Person, including the right to payment of any interest or finance charges and other obligations owing to such
Person with respect thereto. 
  
 “Related Security” means with respect to any Receivable: (a)
all security interests or liens and property subject thereto from time to time securing or purporting to secure the payment of such Receivable by the Person obligated thereon, (b) all guaranties, indemnities and warranties, insurance policies,
financing statements and other agreements or arrangements of whatever character from time to time supporting or 
 

 1 

 securing payment of such Receivable, (c) all right, title and interest of the Company or any Material Subsidiary or any SPV in and to
any goods (including returned, repossessed or foreclosed goods) the sale of which gave rise to such Receivable; provided, that Related Security will not include returned goods only to the extent that all amounts required to be paid pursuant
to Securitization Transactions in respect of such goods have been paid, (d) all collections with respect to any of the foregoing, (e) all records with respect to any of the foregoing, and (f) all proceeds of such Receivable or with respect to any of
the foregoing. 
  
 “Securitization Transactions” means one or more transactions involving the
securitization by the Company or any of its Subsidiaries of Receivables and Related Security, including, without limitation, as a result of the sale or granting of a Lien in such Receivables and Related Security to the SPV or another Person and the
contribution of Receivables and Related Security to the SPV, provided, that the amount of the obligations incurred under all such transactions by all such Persons that would be characterized as principal if structured as a secured lending
transaction rather than as a purchase does not exceed $350,000,000 in the aggregate at any one time outstanding. 
  
 “SPV” means a Subsidiary of the Company created for the sole purpose of purchasing Receivables from the Company or any of its Subsidiaries as part of a Securitization Transaction. 
  
 , (b) deleting the definitions of “Consolidated Interest Expense” and replacing it with the following: 
  
 “Consolidated Interest Expense” means, for any period, (a) the sum of total interest expense of the Company and its Consolidated Subsidiaries, whether
paid or accrued, as determined in accordance with GAAP, plus (b) without double counting, consolidated interest, fees, yield or discount accrued during such period on the aggregate outstanding investment or claim held by purchasers, assignees
or other transferees of (or of interests in) receivables of the Company and its Consolidated Subsidiaries in connection with Securitization Transactions (regardless of the accounting treatment of such Securitization Transactions). 

 
 , (c) deleting the definition of “First Chicago” in its entirety and (d) adding the following at the end of the definition of “Material
Subsidiary”: 
  
 ; provided, that solely with respect to Article V, in no event shall an SPV be deemed to be a
Material Subsidiary 
  
 2.2  Section 3.04(a) of the Credit Agreement is hereby amended by adding a
reference to “(e)(i),” following the reference to “(d),” therein. 
  
 2.3  Section
4.01 of the Credit Agreement is hereby amended by deleting paragraph (e) in its entirety and replacing it with the following: 
  
 (e) (i) The consolidated balance sheets of the Company and its Consolidated Subsidiaries as of December 31, 2000, and the related consolidated statements of income, 
 

 2 

 cash flow and shareholders’ equity of the Company and its Consolidated Subsidiaries for the fiscal year then ended, copies of
which have been furnished to each Bank, fairly present the financial condition of the Company and its Consolidated Subsidiaries as at such date and the consolidated results of the operations of the Company and its Consolidated Subsidiaries for the
period ended on such date, all in accordance with generally accepted accounting principles. 
  
 (ii)  Since December 31, 2000, there has been no material adverse change in the business, financial condition, operations, properties or performance of the Company and its Subsidiaries, taken as a whole. 
  
 2.4  Section 5.05 of the Credit Agreement is hereby amended by (a) deleting the reference to “and” at the end of
paragraph (h) and (b) deleting paragraph (i) in its entirety and replacing it with the following: 
  
 (i)  Liens incurred in connection with Securitization Transactions; provided, that such Liens do not encumber any property other than the Receivables and Related Security relating to such Securitization Transactions; and

  
 (j)  Additional Liens securing Debt other than as may be included in the foregoing subsections (a)
through (i), provided, that the aggregate outstanding principal amount of such Debt shall not at any time exceed 10% of Consolidated Tangible Net Worth at such time. 
  
 2.5  Section 5.06 of the Credit Agreement is hereby amended by (a) deleting the reference to “and” at the end of paragraph (i), (b) deleting the
reference to “.” at the end of paragraph (ii) and replacing it with a reference to “; and”, and (c) adding paragraph (iii) as follows: 
  
 (iii)  the Company or any Material Subsidiary may transfer interests in accounts or notes receivable on a limited recourse basis in connection with
Securitization Transactions. 
  
 2.6  Each reference in the Credit Agreement and the Notes to
“First Chicago” shall be deemed to be a reference to “Bank One”. 
  
 3.  Conditions
Precedent.    This Amendment Agreement shall become effective as of the date first above written; provided, that the Agent has received counterparts of this Amendment Agreement duly executed by the Company and the
Majority Banks without regard to whether it has been executed by each Banks. 
 

 3 

  
 4.  Representations and Warranties of the Company. 
  
 4.1  The Company represents and warrants that the execution, delivery and performance by the Company of this Amendment
Agreement have been duly authorized by all necessary corporate action and that this Amendment Agreement is a legal, valid and binding obligation of the Company, enforceable against the Company in accordance with its terms, except as the enforcement
thereof may be subject to (a) the effect of any applicable bankruptcy, insolvency, reorganization, moratorium or similar law affecting creditors’ rights generally and (b) general principles of equity (regardless of whether such enforcement is
sought in a proceeding in equity or at law). 
  
 4.2  The Company hereby certifies that each of the
representations and warranties contained in the Credit Agreement is true and correct in all material respects on and as of the date hereof as if made on the date hereof, except to the extent that any such representation or warranty is stated to
relate solely to an earlier date, in which case such representation or warranty shall be true and correct on and as of such earlier date. 
  
 5.  Reference to and Effect on the Credit Agreement. 
  
 5.1  Upon the effectiveness of this Amendment Agreement, each reference in the Credit Agreement to “this Agreement,” “hereunder,” “hereof,” “herein” or words of like import and each
reference to the Credit Agreement in each Note shall mean and be a reference to the Credit Agreement as amended hereby. 
  
 5.2  Except as specifically amended above, all of the terms, conditions and covenants of the Credit Agreement and the Notes shall remain unaltered and in full force and effect and shall be binding upon the
Company in all respects and are hereby ratified and confirmed. 
  
 5.3  The execution, delivery and
effectiveness of this Amendment Agreement shall not operate as a waiver of (a) any right, power or remedy of any Bank or the Agent under the Credit Agreement or any of the Notes, or (b) any Event of Default or prospective Event of Default under the
Credit Agreement. 
  
 6.  Costs and Expenses.    The Company agrees to pay on demand all costs
and expenses of the Agent in connection with the preparation, execution and delivery of this Amendment Agreement, including the reasonable fees and out-of-pocket expenses of counsel for the Agent with respect thereto. 
  
 7.  CHOICE OF LAW.    THIS AMENDMENT AGREEMENT SHALL BE CONSTRUED IN ACCORDANCE WITH THE INTERNAL LAWS (AND NOT THE
LAW OF CONFLICTS) OF THE STATE OF ILLINOIS, BUT GIVING EFFECT TO FEDERAL LAWS APPLICABLE TO NATIONAL BANKS. 
  
 8.  Execution in Counterparts.    This Amendment Agreement may be executed in any number of counterparts and by different parties hereto in separate counterparts, each of which when so executed shall be
deemed to be an original and all of which taken together shall constitute one and the same agreement. 
 

 4 

  
 9.  Headings.    Section headings in this Amendment
Agreement are included herein for convenience of reference only and shall not constitute a part of this Amendment Agreement for any other purposes. 
  
 [signature pages to follow] 
 

 5 

  
 IN WITNESS WHEREOF, the Company, the Agent and the Banks have executed this Amendment Agreement
as of the date first above written. 
  
 
	 RR DONNELLEY & SONS COMPANY
 
	 
	 By: 
 	 	 /S/    ANDREA
ROBERTSON        
 

	  	 	 Title: Vice President, Treasurer
 

 
  
 
	 BANK ONE, NA, Individually and as Administrative Agent
 
	 
	 By: 
 	 	 /S/    DIANE M.
FAUNDA        
 

	  	 	 Title: Director, Capital Markets
 

 
  
 
	 BANK OF MONTREAL
 
	 
	 By: 
 	 	 

	  	 	 Title:                 
 

 
  
 
	 FIRST UNION NATIONAL BANK
 
	 
	 By: 
 	 	 /S/    STEPHANIE
MICUA        
 

	  	 	 Title: Vice President
 

 
  
 
	 BANK OF AMERICA, N.A. (f/k/a NationsBank, N.A.)
 
	 
	 By: 
 	 	 

	  	 	 Title:                 
 

 
 

 6 

  
 
	 CITIBANK, N.A.
 
	 
	 By: 
 	 	 

	  	 	 Title:                 
 

 
  
 
	 THE NORTHERN TRUST COMPANY
 
	 
	 By: 
 	 	 /S/    MICHELLE
TETEAK        
 

	  	 	 Title: Vice President
 

 
  
 
	 THE INDUSTRIAL BANK OF JAPAN,
LIMITED, CHICAGO BRANCH
 
	 
	 By:
 	 	 

	  	 	 Title:                 
 

 
  
 
	 ALLFIRST BANK
 
	 
	 By:
 	 	 

	  	 	 Title:                 
 

 
  
 
	 SEAWAY NATIONAL BANK OF CHICAGO

	 
	 By:
 	 	 

	  	 	 Title:                 
 

 
 

 7 

  
 
	 WACHOVIA BANK, N.A.
 
	 
	 By: 
 	 	 /S/    TERA C. COX        

	  	 	 Title: Vice President
 

 
 

 8

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