Document:

<PAGE>

                                FOURTH AMENDMENT

          FOURTH AMENDMENT, dated as of April 26, 2006 (this "Fourth
Amendment"), to the Amended and Restated Credit Agreement, dated as of February
13, 1998, as amended and restated as of December 10, 2003, as further amended
and restated as of March 4, 2004, and as amended by the First Amendment thereto,
dated as of August 6, 2004, the Second Amendment thereto, dated as of October
20, 2004 and the Third Amendment thereto, dated as of August 1, 2005 (the
"Credit Agreement"), among Nebraska Book Company, Inc., a Kansas corporation
(the "Borrower"), NBC Holdings Corp., NBC Acquisition Corp., the lenders party
from time to time thereto (the "Lenders"), JPMorgan Chase Bank, N.A. (formerly
known as JPMorgan Chase Bank), as administrative agent (in such capacity, the
"Administrative Agent") and collateral agent, Citigroup Global Markets Inc., as
syndication agent, and Bank of America, N.A. (as successor by merger to Fleet
National Bank) and Wells Fargo Bank N.A., as co-documentation agents.

                              W I T N E S S E T H:

          WHEREAS, the Borrower, the Lenders and the Administrative Agent are
parties to the Credit Agreement;

          WHEREAS, the Borrower has notified the Administrative Agent that it
intends to acquire all of the Capital Stock of CBA (as hereinafter defined)
pursuant to the CBA Acquisition (as hereinafter defined);

          WHEREAS, in order to finance the CBA Acquisition the Borrower has
requested that the Credit Agreement be amended to, among other things (i)
increase the Revolving Credit Facility from $50,000,000 to $65,000,000 and (ii)
provide an incremental term loan facility in the amount of $24,000,000;

          WHEREAS, the Borrower has requested that the Credit Agreement be
amended as provided herein; and

          WHEREAS, the Lenders and the Administrative Agent are willing to agree
to such amendment to the Credit Agreement, subject to the terms and conditions
set forth herein;

          NOW, THEREFORE, in consideration of the premises and mutual covenants
contained herein, the Borrower, the Lenders and the Administrative Agent hereby
agree as follows:

          1. Defined Terms. Unless otherwise defined herein, capitalized terms
which are defined in the Credit Agreement are used herein as therein defined.

          2. Increase in Revolving Credit Facility. Subject to the terms and
conditions hereof and in reliance upon the representations and warranties set
forth herein and in the Credit Agreement, on the Fourth Amendment Effective Date
the Total Revolving Credit Commitments will be increased from $50,000,000 to
$65,000,000 (the amount of such increase, the "Increased Revolving
Commitments"). The Increased Revolving Commitments will be made available by the
Lenders listed on Schedule I hereto (the "Additional Revolving Credit Lenders")
in the respective amounts set forth opposite such Lenders' names on Schedule I
hereto. On the Fourth Amendment Effective Date participating interests in
outstanding Letters of Credit will be reallocated and deemed held by all the
Revolving Credit Lenders in accordance with their respective Revolving Credit
Percentages. On the Fourth Amendment Effective Date the Revolving Credit Lenders
(including Revolving Credit Lenders holding Increased Revolving Commitments)
will make payments to the Administrative Agent and the Administrative Agent will
make

<PAGE>

payments to the Revolving Credit Lenders in such amounts as shall be directed by
the Administrative Agent so that, after giving effect thereto, the Revolving
Credit Loans will be held by the Revolving Credit Lenders in accordance with
their respective Revolving Credit Percentages. Revolving Credit Loans made after
the Fourth Amendment Effective Date shall be made ratably by all Revolving
Credit Lenders, including the Additional Revolving Credit Lenders. On the Fourth
Amendment Effective Date (i) the existing Revolving Credit Loans and the Loans
made under the Increased Revolving Commitments shall be combined and
consolidated into a single class of revolving credit loans and such class shall
be the Revolving Credit Loans for all purposes of the Credit Agreement and the
other Loan Documents (including as to payment, prepayment, interest rate and
obligation to participate in outstanding Letters of Credit and Swing Line
Loans), (ii) the Increased Revolving Credit Commitments shall be combined and
consolidated into the Revolving Credit Commitments and (iii) each Additional
Revolving Credit Lender shall be a Revolving Credit Lender under the Credit
Agreement and the other Loan Documents. The Borrower will make payments of
principal, interest and fees in respect of the Revolving Credit Commitments,
Revolving Credit Loans and Letters of Credit consistent with the allocations
described in this Section.

          3. Amendments to Section 1.1 (Defined Terms).

          (a) Section 1.1 of the Credit Agreement is amended by adding the
following definitions in proper alphabetical order:

          "Borrower Pro Forma CBA Financial Statements": as defined in Section
4.1(a)(iii).

          "CBA": College Bookstores of America, Inc., an Illinois corporation.

          "CBA Acquisition": the acquisition by the Borrower of all of the
     Capital Stock of CBA for aggregate consideration (including cash, assumed
     debt, and payments in respect of debt and other liabilities but excluding
     working capital borrowings and debt which is refinanced on or prior to the
     Fourth Amendment Effective Date) not exceeding $32,000,000 pursuant to the
     Share Purchase Agreement dated as of April 2, 2006, as amended, restated or
     supplemented from time to time (with the consent of the Administrative
     Agent if such amendment, restatement or supplement is material).

          "Fourth Amendment": the Fourth Amendment dated as of April 26, 2006 to
     this Agreement.

          "Fourth Amendment Effective Date": May 1, 2006, which is the date on
     which the Fourth Amendment became effective in accordance with its terms.

          "Incremental Term Loan": each term loan made pursuant to Section 2.25.

          "Incremental Term Loan Commitment": as to any Lender, the obligation
     of such Lender, if any, to make an Incremental Term Loan to the Borrower
     hereunder in a principal amount not to exceed the amount set forth under
     the heading "Incremental Term Loan Commitment" opposite such Lender's name
     on Schedule II to the Fourth Amendment. The original aggregate amount of
     the Incremental Term Loan Commitments is $24,000,000.

          "Incremental Term Loan Lenders": each Lender which has an Incremental
     Term Loan Commitment or which has made an Incremental Term Loan.

                                       2
<PAGE>

          "Incremental Term Loan Percentage": as to any Incremental Term Loan
     Lender at any time, the percentage which such Lender's Incremental Term
     Loan Commitment then constitutes of the aggregate Incremental Term Loan
     Commitments (or, at any time after the Closing Date, the percentage which
     the aggregate principal amount of such Lender's Incremental Term Loans then
     outstanding constitutes of the aggregate principal amount of the
     Incremental Term Loans then outstanding).

          (b) The definition of "Confidential Information Memorandum" set forth
in Section 1.1 of the Credit Agreement is amended by adding the following at the
end thereof:

          and the presentation to Lenders dated April 12, 2006.

          (c) The following definitions set forth in Section 1.1 of the Credit
Agreement are deleted and replaced with the following:

          "Aggregate Exposure": with respect to any Lender, an amount equal to
     the sum of (i) the aggregate unpaid principal amount of such Lender's Term
     Loans, (ii) the aggregate unpaid principal amount of such Lender's
     Incremental Term Loans, (iii) the amount of such Lender's Revolving Credit
     Commitment or, if the Revolving Credit Commitments have been terminated,
     the amount of such Lender's Revolving Extensions of Credit and (iv) the
     amount of such Lender's Incremental Revolving Credit Commitment or, if the
     Incremental Revolving Credit Commitments have been terminated, the amount
     of such Lender's Incremental Revolving Extensions of Credit.

          "Facility": each of (a) the Term Loan Commitments and the Term Loans
     made thereunder (the "Term Loan Facility"), (b) the Incremental Term Loan
     Commitments and the Incremental Term Loans made thereunder (the
     "Incremental Term Loan Facility"), (c) the Revolving Credit Commitments and
     the extensions of credit made thereunder (the "Revolving Credit Facility")
     and (d) the Incremental Revolving Credit Commitments and the extensions of
     credit made thereunder (the "Incremental Revolving Credit Facility").

          "Revolving Credit Commitment": as to any Lender, the obligation of
     such Lender, if any, to make Revolving Credit Loans and participate in
     Swing Line Loans and Letters of Credit in an aggregate principal and/or
     face amount not to exceed the amount set forth under the heading "Revolving
     Credit Commitment" opposite such Lender's name on Schedule 1.1A or in the
     Assignment and Assumption pursuant to which such Lender became a party
     hereto or as set forth in the Fourth Amendment, as the same may be changed
     from time to time pursuant to the terms hereof. The original amount of the
     Total Revolving Credit Commitments is $50,000,000, and the amount of the
     Total Revolving Credit Commitments on the Fourth Amendment Effective Date
     is $65,000,000.

          (d) The definition of "Applicable Margin" set forth in Section 1.1 of
the Credit Agreement is amended by deleting paragraph (b) and substituting
therefor the following:

               (b) with respect to Term Loans and Incremental Term Loans on any
          day, the rate per annum set forth in the relevant column heading below
          opposite the Term Loan Rating in effect for such day:

                                       3
<PAGE>

<TABLE>
<S>                       <C>                  <C>                  <C>
          --------------------------------------------------------------------------

                Level     Term Loan Rating     Eurodollar Loans     Base Rate Loans
          --------------------------------------------------------------------------
                  I            > B+/B1               2.25%               1.25%
                               -
          --------------------------------------------------------------------------
                 II            < B+/B1               2.50%               1.50%
          --------------------------------------------------------------------------
</TABLE>

          The Borrower agrees that it shall cause the Term Loans and Incremental
     Term Loans to be rated by each of S&P and Moody's until the Term Loans or
     Incremental Term Loans, as the case may be, are repaid in full. For
     purposes of the foregoing table, (i) if the ratings established or deemed
     to have been established by Moody's Investors Services ("Moody's") and
     Standard & Poor's Ratings Group ("S&P") for the Term Loans and Incremental
     Term Loans shall fall within different Levels, the Applicable Margin shall
     be based on the lower of the two ratings (i.e., the higher Level number);
     and (ii) if the ratings established or deemed to have been established by
     Moody's and S&P for the Term Loans and Incremental Term Loans shall be
     changed (other than as a result of a change in the rating system of Moody's
     or S&P), such change shall be effective as of the date on which it is first
     announced by the applicable rating agency. Each change in the Applicable
     Margin for the Term Loans and Incremental Term Loans shall apply during the
     period commencing on the effective date of such change and ending on the
     date immediately preceding the effective date of the next such change. If
     the rating system of Moody's or S&P shall change, or if either such rating
     agency shall cease to be in the business of rating corporate debt
     obligations, the Borrower and the Lenders shall negotiate in good faith to
     amend this definition to reflect such changed rating system or the
     unavailability of ratings from such rating agency and, pending the
     effectiveness of any such amendment, the Applicable Margin for the Term
     Loans and Incremental Term Loans shall be determined by reference to the
     rating most recently in effect prior to such change or cessation.

          (e) The definition of "Commitment" set forth in Section 1.1 of the
Credit Agreement is amended by adding the phrase "the Incremental Term Loan
Commitment," immediately after the phrase "Term Loan Commitment,".

          (f) The definition of "Consolidated Fixed Charges" set forth in
Section 1.1 of the Credit Agreement is amended by adding the phrase "and
Incremental Term Loans" immediately after the phrase "Term Loans".

          (g) The definition of "Excess Cash Flow" set forth in Section 1.1 of
the Credit Agreement is amended by adding the phrase "and Incremental Term
Loans" immediately after the phrase "Term Loans".

          (h) The definition of "Interest Period" set forth in Section 1.1 of
the Credit Agreement is amended by adding the phase "and Incremental Term Loans"
immediately after the phrase "Term Loans".

          (i) The definition of "Majority Facility Lenders" set forth in Section
1.1 of the Credit Agreement is amended by adding the phrase "the Incremental
Term Loans," immediately after the phrase "Term Loans,".

          (j) The definition of "Required Lenders" set forth in Section 1.1 of
the Credit Agreement is amended by adding the phrase "and Incremental Term
Loans" immediately after the phrase "Term Loans".

                                       4
<PAGE>

          4. Amendment to Section 2.8 (Repayment of Loans; Exchange of Debt).
(a) Section 2.8(a) of the Credit Agreement is amended by (i) adding the phrase
"or Incremental Term Loan Lender" immediately after the phrase "Term Loan
Lender", (ii) replacing the word "and" which appears before clause (iv) with a
comma and (iii) adding the following at the end of the first sentence

     and (v) the principal amount of each Incremental Term Loan of such Lender
     in installments according to the amortization schedule set forth in Section
     2.27 (or any such earlier date on which the Loans become due and payable
     pursuant to Section 8).

          (b) Section 2.8(e) of the Credit Agreement is amended by adding the
phrase "Incremental Term Loans," immediately after the phrase "Term Loans,".

          5. Amendment to Section 2.11 (Optional Prepayments). Section 2.11 of
the Credit Agreement is amended by adding the phrase "and the Incremental Term
Loans" immediately after the phrase "Term Loans" in the second to last sentence
thereof.

          6. Amendment to Section 2.12 (Mandatory Prepayments). (a) Section
2.12(a) of the Credit Agreement is amended by (i) adding the phrase "and the
Incremental Term Loans" immediately after the phrase "Term Loans" and (ii)
deleting the phrase "(a)(ii)" and substituting therefor the phrase "(a)".

          (b) Section 2.12(b) of the Credit Agreement is amended by deleting
such Section in its entirety and replacing it with the following:

               (b) Unless the Required Prepayment Lenders shall otherwise agree,
          if on any date SuperHoldings, Holdings, the Borrower or any of their
          respective Subsidiaries shall receive Net Cash Proceeds from any Asset
          Sale or Recovery Event (or, in the event of damage by casualty, the
          date the repair or restoration of the relevant Property is completed)
          then, unless a Reinvestment Notice shall be delivered in respect
          thereof, such Net Cash Proceeds shall be applied on such date toward
          the prepayment of the Term Loans and the Incremental Term Loans as set
          forth in Section 2.12(d); provided, that, notwithstanding the
          foregoing, (i) the aggregate Net Cash Proceeds of Asset Sales and
          Recovery Events that may be excluded from the foregoing requirement
          pursuant to a Reinvestment Notice shall not exceed $1,000,000 in any
          fiscal year of the Borrower, or $2,000,000 in any fiscal year of the
          Borrower immediately succeeding a fiscal year of the Borrower as of
          the last day of which the Consolidated Leverage Ratio is less than or
          equal to 4.0 to 1.0, and (ii) on each Reinvestment Prepayment Date, an
          amount equal to the Reinvestment Prepayment Amount with respect to the
          relevant Reinvestment Event shall be applied toward the prepayment of
          the Term Loans and Incremental Term Loans as set forth in Section
          2.12(d); and provided further, that notwithstanding the foregoing,
          such Net Cash Proceeds which are not subject to a Reinvestment Notice
          shall not be required to be applied toward the prepayment of the Term
          Loans and the Incremental Term Loans until the date upon which the
          aggregate amount of such Net Cash Proceeds received by SuperHoldings,
          Holdings, the Borrower and their respective Subsidiaries and not
          previously applied toward the prepayment of the Term Loans and the
          Incremental Term Loans shall exceed $1,000,000.

          (c) Sections 2.12(c) and (d) of the Credit Agreement are amended by
adding the phrase "and the Incremental Term Loans" after the phrase "Term Loans"
in each place where such latter phrase appears.

                                       5
<PAGE>

          7. Amendment to Section 2.18 (Pro Rata Treatment and Payments). (a)
Section 2.18 of the Credit Agreement is amended by adding the phrase
"Incremental Term Loan Percentages," immediately after the phrase "Term Loan
Percentages,".

          (b) Section 2.18 of the Credit Agreement is amended by deleting
paragraph (b) in its entirety and substituting therefor the following:

               (b) Each payment (including each prepayment) by the Borrower on
          account of principal of and interest on the Term Loans shall be made
          pro rata according to the respective outstanding principal amounts of
          the Term Loans then held by the Term Loan Lenders (except as otherwise
          provided in Section 2.18(d)). Except as otherwise provided in Section
          2.11, as among the Term Loans, prepayments shall be applied 75%
          ratably to the respective remaining installments thereof and 25% in
          the direct order to the respective next four installments thereof (or,
          to the extent that the aggregate principal amount of the next four
          installments of the Term Loan Facility is less than such 25%, the
          excess shall be applied ratably to the respective remaining
          installments thereof). Each payment (including each prepayment) by the
          Borrower on account of principal of and interest on the Incremental
          Term Loans shall be made pro rata according to the respective
          outstanding principal amounts of the Incremental Term Loans then held
          by the Incremental Term Loan Lenders (except as otherwise provided in
          Section 2.18(d)). Except as otherwise provided in Section 2.11, as
          among the Incremental Term Loans, prepayments shall be applied 75%
          ratably to the respective remaining installments thereof and 25% in
          the direct order to the respective next four installments thereof (or,
          to the extent that the aggregate principal amount of the next four
          installments of the Incremental Term Loan Facility is less than such
          25%, the excess shall be applied ratably to the respective remaining
          installments thereof). Prepayments of the Term Loans and the
          Incremental Term Loans pursuant to Section 2.12 shall be applied to
          the Term Loans and Incremental Term Loans ratably based on the
          respective outstanding principal amounts thereof. Amounts prepaid on
          account of the Term Loans may not be reborrowed.

          (c) Section 2.18 of the Credit Agreement is amended by deleting
paragraph (d) in its entirety and substituting therefor the following:

               (d) Notwithstanding anything to the contrary in Section 2.12 or
          2.18, so long as any Revolving Credit Loans are outstanding, each Term
          Loan Lender and Incremental Term Loan Lender may, at its option,
          decline up to 100% of the portion of any mandatory payment applicable
          to the Term Loans or Incremental Term Loans of such Lender;
          accordingly, with respect to the amount of any mandatory prepayment
          described in Section 2.12 that is allocated to Term Loans or
          Incremental Term Loans (such amounts, the "Term Loan Prepayment
          Amount"), at any time when Revolving Credit Loans remain outstanding,
          the Borrower will, in lieu of applying such amount to the prepayment
          of Term Loans or Incremental Term Loans, on the date specified in
          Section 2.12 for such prepayment, give the Administrative Agent
          telephonic notice (promptly confirmed in writing) requesting that the
          Administrative Agent prepare and provide to each Term Loan Lender and
          Incremental Term Loan Lender a notice (each, a "Prepayment Option
          Notice") as described below. As promptly as practicable after
          receiving such notice from the Borrower, the Administrative Agent will
          send to each Term Loan Lender and Incremental Term Loan Lender a
          Prepayment Option Notice, which shall be in the form of Exhibit H, and
          shall include an offer by the Borrower to prepay on the date (each a
          "Prepayment Date") that is five Business Days after the date of the
          Prepayment Option Notice, the relevant Term Loans and Incremental Term
          Loans of such Lender by an amount equal to the portion of the
          Prepayment Amount indicated in such Lender's Prepayment Option Notice
          as being applicable to such Lender's Term Loans and Incremental Term
          Loans. On the Prepayment Date (i) the Borrower

                                       6
<PAGE>

          shall pay to the Administrative Agent the aggregate amount necessary
          to prepay that portion of the outstanding relevant Term Loans and
          Incremental Term Loans in respect of which Term Loan Lenders and
          Incremental Term Loan Lenders have accepted prepayment as described
          above (such Lenders, the "Accepting Lenders"), and such amount shall
          be applied to reduce the Term Loan Prepayment Amounts, with respect to
          each Accepting Lender and (ii) the Borrower shall pay to the
          Administrative Agent an amount equal to 100% of the portion of the
          Term Loan Prepayment Amount not accepted by the Accepting Lenders, and
          such amount shall be applied to the prepayment of the Revolving Credit
          Loans without a reduction in the Revolving Credit Commitments.

          8. Amendment to Section 2 (Amendment of Terms of Commitment). Section
2 of the Credit Agreement is amended by adding the following at the end thereof:

          2.25 Incremental Term Loan Commitments. Subject to the terms and
     conditions hereof, each Incremental Term Loan Lender severally agrees to
     make a term loan to the Borrower on the Fourth Amendment Effective Date in
     an amount not to exceed the amount of the Incremental Term Loan Commitment
     of such Lender. The Incremental Term Loans may from time to time be
     Eurodollar Loans or Base Rate Loans, as determined by the Borrower and
     notified to the Administrative Agent in accordance with Sections 2.2 and
     2.13.

          2.26 Procedure for Incremental Term Loan Borrowing. The Borrower shall
     give the Administrative Agent irrevocable notice (which notice must be
     received by the Administrative Agent prior to 12:00 noon, New York City
     time, one Business Day prior to the requested Borrowing Date) requesting
     that the Incremental Term Loan Lenders make the Incremental Term Loans. The
     Incremental Term Loans made on the Fourth Amendment Effective Date shall
     initially be Base Rate Loans. Upon receipt of such notice the
     Administrative Agent shall promptly notify each Incremental Term Loan
     Lender thereof. Not later than 12:00 Noon, New York City time, on the
     Fourth Amendment Effective Date each Incremental Term Loan Lender shall
     make available to the Administrative Agent at the Funding Office an amount
     in immediately available funds equal to the Incremental Term Loan or
     Incremental Term Loans to be made by such Lender. The Administrative Agent
     shall deposit the amounts made available to the Administrative Agent by the
     Incremental Term Lenders in immediately available funds in an account of
     the Borrower maintained at the Administrative Agent's principal office.

          2.27 Repayment of Incremental Term Loans. The Incremental Term Loan of
     each Incremental Term Loan Lender shall mature in 10 consecutive quarterly
     installments, commencing on September 30, 2006 and ending on March 4, 2011,
     each of which shall be in an amount equal to such Lender's Incremental Term
     Loan Percentage multiplied by the amount set forth below opposite such
     installment:

<TABLE>
<CAPTION>
     Installment                                         Principal Amount
     -----------                                         ----------------
<S>                                                      <C>
     September 30, 2006                                     $   60,000
     December 31, 2006                                          60,000
     March 31, 2007                                             60,000
     June 30, 2007                                              60,000
     September 30, 2007                                         60,000
     December 31, 2007                                          60,000
     March 31, 2008                                             60,000
     June 30, 2008                                              60,000
     September 30, 2008                                         60,000
</TABLE>

                                       7
<PAGE>

<TABLE>
<CAPTION>
     Installment                                         Principal Amount
     -----------                                         ----------------
<S>                                                      <C>
     December 31, 2008                                          60,000
     March 31, 2009                                             60,000
     June 30, 2009                                              60,000
     September 30, 2009                                         60,000
     December 31, 2009                                          60,000
     March 31, 2010                                             60,000
     June 30, 2010                                           5,775,000
     September 30, 2010                                      5,775,000
     December 31, 2010                                       5,775,000
     March 4, 2011                                           5,775,000
</TABLE>

          9. Amendment to Section 4.1 (Financial Condition). (a) Section 4.1(a)
of the Credit Agreement is amended by adding the following at the end thereof:

               (iii) The unaudited pro forma consolidated balance sheet of the
     Borrower and its consolidated Subsidiaries as at December 31, 2005
     (including the notes thereto) (the "Borrower CBA Pro Forma Balance Sheet"),
     copies of which have heretofore been furnished to each Lender, has been
     prepared giving effect (as if such events had occurred on December 31,
     2005) to (i) the consummation of CBA Acquisition, (ii) the Loans to be made
     on the Fourth Amendment Effective Date and the use of proceeds thereof and
     (iii) the payment of fees and expenses in connection with the foregoing.
     The unaudited pro forma consolidated statement of operations of the
     Borrower and its Subsidiaries for the 12-month period ended December 31,
     2005 (including the notes thereto) (the "Borrower CBA Pro Forma Income
     Statement"; collectively with the Borrower CBA Pro Forma Balance Sheet, the
     "Borrower CBA Pro Forma Financial Statements"), copies of which have
     heretofore been furnished to each Lender, has been prepared giving effect
     (as if such events had occurred on the first day of such 12-month period)
     to (i) the consummation of the CBA Acquisition, (ii) the Loans to be made
     on the Fourth Amendment Effective Date and the use of proceeds thereof and
     (iii) the payment of fees and expenses in connection with the foregoing.
     The Borrower CBA Pro Forma Income Statement and the Borrower CBA Pro Forma
     Balance Sheet have been prepared based on the best information available to
     the Borrower as of the date of delivery thereof (it being understood and
     agreed that the best information available will be based on CBA's balance
     sheet and income statement as of, and for the year ended, June 30, 2005 as
     adjusted for stores to be closed or sold by CBA prior to closing of this
     amendment, and adjusted for the impact of estimated additional wholesale
     textbooks available to the Company's wholesale textbook division) and
     presents fairly in all material respects on a pro forma basis the estimated
     consolidated financial condition of the Borrower and its consolidated
     Subsidiaries as at December 31, 2005 and the consolidated results of their
     operations for the 12-month period then ended assuming that the events
     specified in the preceding sentence had actually occurred on the first day
     of such 12-month period.

          (b) Section 4.1(b) the Credit Agreement is amended by deleting each
reference to the dates "March 31, 2001", "March 31, 2002", "March 31, 2003" and
"December 31, 2003" and substituting therefor, respectively, the dates "March
31, 2003", "March 31, 2004", "March 31, 2005" and "December 31, 2005".

          10. Amendment to Section 4.2 (No Change). Section 4.2 of the Credit
Agreement is amended by deleting the date "December 31, 2003" and substituting
therefor the date "March 31, 2005".

                                       8
<PAGE>

          11. Amendment to Section 4.16 (Use of Proceeds). Section 4.16 of the
Credit Agreement is amended by adding the following at the end thereof:

          The proceeds of the Incremental Term Loans shall be used to finance
          the CBA Acquisition and to pay all fees and expenses associated
          therewith and contemplated thereby.

          12. Amendment to Section 4.20 (Solvency). Section 4.20 of the Credit
Agreement is amended by adding the following at the end thereof:

          Each Loan Party is, and after giving effect to the CBA Acquisition and
     the incurrence of all Indebtedness and obligations being incurred in
     connection herewith and therewith will be and will continue to be, Solvent.

          13. Amendment to Section 7.1(a) (Consolidated Leverage Ratio). Section
7.1(a) of the Credit Agreement is hereby amended by deleting the table contained
therein and inserting in lieu thereof the following table:

<TABLE>
<CAPTION>
                                                                  Consolidated
Fiscal Quarter                                                   Leverage Ratio
--------------                                                   --------------
<S>                                                              <C>
March 31, 2006                                                     6.00 to 1.0
June 30, 2006                                                      6.25 to 1.0
September 30, 2006                                                 6.00 to 1.0
December 31, 2006                                                  6.00 to 1.0
March 31, 2007                                                     6.00 to 1.0
June 30, 2007                                                      6.00 to 1.0
September 30, 2007                                                 6.00 to 1.0
December 31, 2007                                                  6.00 to 1.0
March 31, 2008                                                     5.50 to 1.0
June 30, 2008                                                      5.50 to 1.0
September 30, 2008                                                 5.50 to 1.0
December 31, 2008                                                  5.50 to 1.0
March 31, 2009                                                     5.00 to 1.0
June 30, 2009                                                      5.00 to 1.0
September 30, 2009                                                 5.00 to 1.0
December 31, 2009                                                  5.00 to 1.0
Thereafter                                                         4.50 to 1.0
</TABLE>

          14. Amendment to Section 7.1(b) (Consolidated Interest Coverage
Ratio). Section 7.1(b) of the Credit Agreement is amended by deleting the table
contained therein and inserting in lieu thereof the following table:

<TABLE>
<CAPTION>
                                                              Consolidated Interest
Fiscal Quarter                                                    Coverage Ratio
--------------                                                    --------------
<S>                                                           <C>
March 31, 2006                                                     2.25 to 1.0
June 30, 2006                                                      2.10 to 1.0
September 30, 2006                                                 2.10 to 1.0
December 31, 2006                                                  2.10 to 1.0
March 31, 2007                                                     2.15 to 1.0
</TABLE>

                                       9
<PAGE>

<TABLE>
<CAPTION>
                                                              Consolidated Interest
Fiscal Quarter                                                    Coverage Ratio
--------------                                                    --------------
<S>                                                           <C>
June 30, 2007                                                      2.15 to 1.0
September 30, 2007                                                 2.15 to 1.0
December 31, 2007                                                  2.15 to 1.0
March 31, 2008                                                     2.15 to 1.0
June 30, 2008                                                      2.00 to 1.0
September 30, 2008                                                 2.00 to 1.0
December 31, 2008                                                  2.00 to 1.0
March 31, 2009                                                     2.00 to 1.0
June 30, 2009                                                      2.00 to 1.0
September 30, 2009                                                 2.00 to 1.0
December 31, 2009                                                  2.00 to 1.0
Thereafter                                                         2.00 to 1.0
</TABLE>

Section 7.1(b) of the Credit Agreement is also amended by deleting the proviso
clause at the end thereof.

          15. Amendment to Section 7.1(c) (Consolidated Fixed Charge Coverage
Ratio). Section 7.1(c) of the Credit Agreement is amended by deleting the table
contained therein and inserting in lieu thereof the following table:

<TABLE>
<CAPTION>
                                                               Consolidated Fixed
     Fiscal Quarter                                           Charge Coverage Ratio
     --------------                                           ---------------------
<S>                                                           <C>
March 31, 2006                                                     1.20 to 1.0
June 30, 2006                                                      1.20 to 1.0
September 30, 2006                                                 1.20 to 1.0
December 31, 2006                                                  1.20 to 1.0
March 31, 2007                                                     1.20 to 1.0
June 30, 2007                                                      1.20 to 1.0
September 30, 2007                                                 1.20 to 1.0
December 31, 2007                                                  1.20 to 1.0
March 31, 2008                                                     1.25 to 1.0
June 30, 2008                                                      1.25 to 1.0
September 30, 2008                                                 1.25 to 1.0
December 31, 2008                                                  1.25 to 1.0
March 31, 2009                                                     1.25 to 1.0
June 30, 2009                                                      1.25 to 1.0
September 30, 2009                                                 1.25 to 1.0
December 31, 2009                                                  1.25 to 1.0
Thereafter                                                         1.25 to 1.0
</TABLE>

Section 7.1(c) of the Credit Agreement is also amended by deleting the proviso
clause at the end thereof.

          16. Amendment to Section 7.6 (Limitation on Dividends). Section 7.6 of
the Credit Agreement is amended by (i) deleting the word "and" from the end of
paragraph (e), (ii) deleting the

                                       10
<PAGE>

period from the end of paragraph (f) and substituting therefor the phrase ";
and" and (iii) adding the following new paragraph at the end thereof:

          (g) so long as no Default or Event of Default shall have occurred and
     be continuing after giving effect thereto, Superholdings or any of its
     Subsidiaries may purchase Capital Stock of SuperHoldings pursuant to
     SuperHoldings' restricted stock plan provided that the aggregate purchase
     price for such Capital Stock (inclusive of reimbursement amounts in respect
     of Taxes) shall not exceed $4,000,000.

          17. Amendment to Section 7.8 (Limitation on Investments, Loans and
Advances). Section 7.8 of the Credit Agreement is amended by (i) deleting the
word "and" from the end of paragraph (i), (ii) deleting the period from the end
of paragraph (j) and substituting therefor the phrase "; and" and (iii) adding
the following new paragraph at the end thereof:

          (k) in addition to the provisions of clause (g) of this Section 7.8,
     the Borrower may consummate the CBA Acquisition as long as (i) no Default
     or Event of Default shall have occurred or be continuing after giving
     effect to the CBA Acquisition, (ii) no Indebtedness shall be assumed by the
     Borrower or any of its Subsidiaries in connection with the CBA Acquisition
     other than Indebtedness that is refinanced on the Fourth Amendment
     Effective Date [except to the extent otherwise permitted pursuant to this
     Agreement] and (iii) the Borrower shall be in pro forma compliance with the
     covenants set forth in Section 7.1 after giving effect to the CBA
     Acquisition (it being agreed that to the extent the cash portion of the
     consideration for the CBA Acquisition exceeds $28,000,000 such excess
     amount shall be deemed to be a utilization of the basket set forth in
     clause (i) of Section 7.8(g)).

          18. Amendment to Section 10.1 (Amendments and Waivers). Section 10.1
of the Credit Agreement is amended by adding to clause (i) of the second
sentence the phrase "or any Incremental Term Loans" immediately after the phrase
"any Term Loans".

          19. Amendment to Section 10.6 (Successors and Assigns; Participations
and Assignments). Section 10.6 of the Credit Agreement is amended by (i) adding
the phrase "or an Incremental Term Loan" immediately after the phrase "Term
Loan" which appears in clause (i)(B) and (ii) adding the phrase "and the
Incremental Term Facility" immediately after the phrase "Term Facility" which
appears in clause (ii)(A).

          20. Representations and Warranties. The Borrower hereby confirms,
reaffirms and restates the representations and warranties set forth in Section 4
of the Credit Agreement, as amended by this Fourth Amendment. The Borrower
represents and warrants that, after giving effect to this Fourth Amendment, no
Default or Event of Default has occurred and is continuing.

          21. Amendment Fee. In consideration of the agreement of the Lenders
party to the Credit Agreement immediately prior to the Fourth Amendment
Effective Date to the amendments contained herein, the Borrower agrees to pay to
each such Lender which so agrees on or prior to 5:00 p.m., New York City time,
April 26, 2006 (by executing and delivering to the Administrative Agent or its
counsel this Fourth Amendment on or prior to such time), an amendment fee in an
amount equal to .125% of the aggregate amount of such Lender's Revolving Credit
Commitment and Term Loans in effect immediately prior to the Fourth Amendment
Effective Date; such fees shall be payable on the Fourth Amendment Effective
Date in immediately available funds to the Administrative Agent on behalf of the
applicable Lender.

                                       11
<PAGE>

          22. Effectiveness. This Fourth Amendment shall become effective on the
Fourth Amendment Effective Date (as such term is defined in the Credit
Agreement) upon the satisfaction of the following conditions precedent:

          (a) Fourth Amendment. The Administrative Agent shall have received
this Fourth Amendment executed and delivered by the Administrative Agent, the
Borrower, the Lenders party to the Credit Agreement constituting the "Required
Lenders" thereunder, the Lenders party to the Credit Agreement constituting the
"Required Prepayment Lenders", each Additional Revolving Credit Lender and each
Additional Term Lender (or, in the case of any Lender, a lender addendum or
joinder agreement in a form specified by the Administrative Agent).

          (b) Fees. The Lenders and the Administrative Agent shall have received
all fees required to be paid on or before the Fourth Amendment Effective Date,
and all expenses required to be paid on or before the Fourth Amendment Effective
Date for which invoices have been timely presented, including, without
limitation, the reasonable fees and expenses of legal counsel, on or before the
Fourth Amendment Effective Date.

          (c) Security Documents. (i) The Administrative Agent shall have
received the Acknowledgment and Confirmation, substantially in the form of
Exhibit A hereto, executed and delivered by an authorized officer of the
Borrower and each other Loan Party.

          (ii) The Administrative Agent shall have received an executed mortgage
amendment and updated title commitment in respect of each Mortgage in the form
reasonably requested by the Administrative Agent.

          (iii) The Borrower and its Subsidiaries shall have taken all actions
required by Section 6.10 of the Credit Agreement with respect to CBA and its
Subsidiaries.

          (d) Pro Forma Financial Statements; Financial Statements. The Lenders
shall have received (i) the Borrower Pro Forma CBA Financial Statements, (ii)
reviewed consolidated financial statements of CBA for each of the two most
recently completed fiscal years and (iii) unaudited interim consolidated
financial statements of CBA for each quarterly period ended subsequent to the
date of the latest applicable financial statements delivered pursuant to clause
(ii) of this paragraph and, in the case of quarterly financial statements, such
quarterly period ending at least 45 days prior to the Fourth Amendment Effective
Date, and such financial statements shall be reasonably satisfactory to the
Administrative Agent.

          (e) Projections. The Lenders shall have received satisfactory
projections for the Borrower and its Subsidiaries for fiscal years 2006-2011.

          (f) Solvency Analysis. The Lenders shall have received a reasonably
satisfactory solvency certificate from the chief financial officer of the
Borrower which shall document the solvency of each of the Borrower and its
Subsidiaries and Holdings and its Subsidiaries after giving effect to the CBA
Acquisition and the Loans made on the Fourth Amendment Effective Date.

          (g) Lien Searches. The Administrative Agent shall have received the
results of a recent lien search in each of the jurisdictions of organization of
CBA and its domestic Subsidiaries, and such search results shall be satisfactory
to the Administrative Agent.

          (h) CBA Acquisition. The CBA Acquisition shall be consummated
substantially simultaneously with the making of the Loans on the Fourth
Amendment Effective Date. CBA and its

                                       12
<PAGE>

Subsidiaries shall have no Indebtedness other than Indebtedness that is
refinanced on the Fourth Amendment Effective Date.

          (i) Closing Certificate. The Administrative Agent shall have received,
with a counterpart for each Lender, a certificate of the Borrower, dated the
Closing Date, substantially in the form of Exhibit B, with appropriate
insertions and attachments.

          (j) Legal Opinions. The Administrative Agent shall have received the
following executed legal opinions:

          (i) the legal opinion of Bingham McCutchen LLP, counsel to
SuperHoldings, Holdings and the Borrower, substantially in the form of Exhibit
F; and

          (ii) the legal opinion of local counsel in Kansas.

          Each such legal opinion shall cover such other matters incident to the
transactions contemplated by this Agreement as the Administrative Agent may
reasonably require.

          23. Continuing Effect of the Credit Agreement. This Fourth Amendment
shall not constitute an amendment of any other provision of the Credit Agreement
not expressly referred to herein and shall not be construed as a waiver or
consent to any further or future action on the part of the Borrower that would
require a waiver or consent of the Lenders or the Administrative Agent. Except
as expressly amended hereby, the provisions of the Credit Agreement are and
shall remain in full force and effect.

          24. New Lenders. Each Lender which was not a Lender prior to the
Effective Date shall become a Lender on the Effective Date for all applicable
purposes of the Credit Agreement and the Loan Documents. Each such Lender
represents that it is familiar with the Credit Agreement and the
creditworthiness and financial condition of the Loan Parties and has made its
own analysis of the Loan Parties in becoming a party to the Credit Agreement.

          25. Counterparts. This Fourth Amendment may be executed by the parties
hereto in any number of separate counterparts (including facsimiled
counterparts), each of which shall be deemed to be an original, and all of which
taken together shall be deemed to constitute one and the same instrument.

          26. GOVERNING LAW. THIS FOURTH AMENDMENT AND THE RIGHTS AND
OBLIGATIONS OF THE PARTIES UNDER THIS FOURTH AMENDMENT SHALL BE GOVERNED BY, AND
CONSTRUED AND INTERPRETED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW YORK.

          27. Expenses. The Borrower agrees to pay or reimburse the
Administrative Agent for all of its out-of-pocket costs and expenses incurred in
connection with the preparation, negotiation and execution of this Fourth
Amendment, including, without limitation, the reasonable fees and disbursements
of counsel to the Administrative Agent.

                     [rest of page intentionally left blank]
<PAGE>

     IN WITNESS WHEREOF, the parties hereto have caused this Fourth Amendment to
be duly executed and delivered by their proper and duly authorized officers as
of the day and year first above written.

                                       NBC HOLDINGS CORP.

                                       By:    /s/ Alan G. Siemek
                                          ----------------------------------
                                          Name:   Alan G. Siemek
                                          Title:  Treasurer

                                       NBC ACQUISITION CORP.

                                       By:    /s/ Alan G. Siemek
                                          ----------------------------------
                                          Name:   Alan G. Siemek
                                          Title:  Treasurer

                                       NEBRASKA BOOK COMPANY, INC.

                                       By:    /s/ Alan G. Siemek
                                          ----------------------------------
                                          Name:   Alan G. Siemek
                                          Title:  Treasurer

                                       JPMORGAN CHASE BANK, N.A., as
                                       Administrative Agent and as a Lender

                                       By:   /s/ Neil R. Boylan
                                          ----------------------------------
                                         Name:   Neil R. Boylan
                                         Title:  Managing Director<PAGE>

                              SUBSIDIARY GUARANTEE

          Supplemental Indenture, dated as of May 1, 2006 ("Supplemental
Indenture" or "Guarantee"), by and among College Bookstores of America, Inc., an
Illinois corporation (the "Guarantor"), Nebraska Book Company, Inc. (together
with its successors and assigns, the "Company"), each other then existing
Subsidiary Guarantor under the Indenture referred to below, and BNY Midwest
Trust Company, as Trustee under the Indenture referred to below.

                              W I T N E S S E T H:

          WHEREAS, the Company, the Subsidiary Guarantors and the Trustee have
heretofore executed and delivered an Indenture, dated as of March 4, 2004 (as
amended, supplemented, waived or otherwise modified, the "Indenture"), providing
for the issuance of an aggregate principal amount of $175.0 million of 8 5/8%
Senior Subordinated Notes due 2012 of the Company (the "Securities");

          WHEREAS, Section 3.12 of the Indenture provides that the Company is
required to cause each Restricted Subsidiary that guarantees Indebtedness under
the Credit Agreement to execute and deliver to the Trustee a Subsidiary
Guarantee pursuant to which such Subsidiary Guarantor will unconditionally
Guarantee, on a joint and several basis, the full and prompt payment of the
principal of, premium, if any, and interest on the Securities on a senior
subordinated basis; and

          WHEREAS, pursuant to Section 9.1 of the Indenture, the Trustee and the
Company are authorized to execute and deliver this Supplemental Indenture to
amend the Indenture, without the consent of any Securityholder;

          NOW, THEREFORE, in consideration of the foregoing and for other good
and valuable consideration, the receipt of which is hereby acknowledged, the
Guarantor, the Company, the other Subsidiary Guarantors and the Trustee mutually
covenant and agree for the equal and ratable benefit of the holders of the
Securities as follows:

                                    ARTICLE I

                                   Definitions

          SECTION 1.1 Defined Terms. As used in this Guarantee, terms defined in
the Indenture or in the preamble or recital hereto are used herein as therein
defined, except that the term "Holders" in this Guarantee shall refer to both
the term "Holders" as defined in the Indenture and the Trustee acting on behalf
or for the benefit of such Holders. The words "herein," "hereof" and "hereby"
and other words of similar import used in this Supplemental Indenture refer to
this Supplemental Indenture as a whole and not to any particular section hereof.

<PAGE>

                                   ARTICLE II

                        Agreement to be Bound; Guarantee

          SECTION 2.1 Agreement to be Bound. The Guarantor hereby becomes a
party to the Indenture as a Subsidiary Guarantor and as such will have all of
the rights and be subject to all of the obligations and agreements of a
Subsidiary Guarantor under the Indenture. The Guarantor agrees to be bound by
all of the provisions of the Indenture applicable to a Subsidiary Guarantor and
to perform all of the obligations and agreements of a Subsidiary Guarantor under
the Indenture.

          SECTION 2.2 Guarantee. The Guarantor hereby unconditionally
guarantees, jointly and severally with each other Subsidiary Guarantor, to each
Holder of the Securities and the Trustee, the full and punctual payment when
due, whether at maturity, by acceleration, by redemption or otherwise, of the
Obligations pursuant to Article XI of the Indenture on a senior subordinated
basis. Each Subsidiary Guarantee will be subordinated to the prior payment in
full of all Guarantor Senior Indebtedness as provided in Article XII of the
Indenture. Each Subsidiary Guarantee will rank equally with all other Guarantor
Senior Subordinated Indebtedness of that Subsidiary Guarantor and will be senior
in right of payment to all future Guarantor Subordinated Obligations of that
Guarantor. The Subsidiary Guarantees will be effectively subordinated to any
secured Indebtedness of the applicable Guarantor to the extent of the value of
the assets securing such Indebtedness.

                                  ARTICLE I II

                                  Miscellaneous

          SECTION 3.1 Notices. All notices and other communications pertaining
to this Guarantee or any Security shall be in writing and shall be deemed to
have been duly given upon the receipt thereof. Such notices shall be delivered
by hand, or mailed, certified or registered mail with postage prepaid (a) if to
the Guarantor, at its address set forth below, with a copy to the Company as
provided in the Indenture for notices to the Company, and (b) if to the Holders
or the Trustee, as provided in the Indenture. The Guarantor by notice to the
Trustee may designate additional or different addresses for subsequent notices
to or communications with the Guarantor.

          SECTION 3.2 Parties. Nothing expressed or mentioned in this Guarantee
is intended or shall be construed to give any Person, firm or corporation, other
than the Holders and the Trustee and the holders of any Guarantor Senior
Indebtedness, any legal or equitable right, remedy or claim under or in respect
of this Guarantee or any provision herein contained.

          SECTION 3.3 Governing Law. This Guarantee shall be governed by the
laws of the State of New York.

<PAGE>

          SECTION 3.4 Severability Clause. In case any provision in this
Guarantee shall be invalid, illegal or unenforceable, the validity, legality and
enforceability of the remaining provisions shall not in any way be affected or
impaired thereby and such provision shall be ineffective only to the extent of
such invalidity, illegality or unenforceability.

          SECTION 3.5 Entire Agreement. This Guarantee is intended by the
parties to be a final expression of their agreement in respect of the subject
matter contained herein and, together with the Indenture, supersedes all prior
agreements and understandings between the parties with respect to such subject
matter.

          SECTION 3.6 Ratification of Indenture; Supplemental Indentures Part of
Indenture. Except as expressly amended hereby, the Indenture is in all respects
ratified and confirmed and all the terms, conditions and provisions thereof
shall remain in full force and effect. This Supplemental Indenture shall form a
part of the Indenture for all purposes, and every holder of Securities
heretofore or hereafter authenticated and delivered shall be bound hereby. The
Trustee makes no representation or warranty as to the validity or sufficiency of
this Supplemental Indenture.

          SECTION 3.7 Counterparts. The parties hereto may sign one or more
copies of this Supplemental Indenture in counterparts, all of which together
shall constitute one and the same agreement.

          SECTION 3.8 Headings. The headings of the Articles and the sections in
this Guarantee are for convenience of reference only and shall not be deemed to
alter or affect the meaning or interpretation of any provisions hereof.

<PAGE>

          IN WITNESS WHEREOF, the parties hereto have caused this Supplemental
Indenture to be duly executed as of the date first above written.

                                      COLLEGE BOOKSTORES OF AMERICA, INC.

                                      By:     /s/ Alan G. Siemek
                                         -----------------------------------
                                         Name:    Alan G. Siemek
                                         Title:   Treasurer
                                         Address: 11559 Rock Island Court
                                                  Maryland Heights, MO 63043

                                      NEBRASKA BOOK COMPANY, INC.

                                      By:     /s/ Alan G. Siemek
                                         -----------------------------------
                                         Name:    Alan G. Siemek
                                         Title:   Treasurer

                                      SPECIALTY BOOKS, INC.

                                      By:     /s/ Alan G. Siemek
                                         -----------------------------------
                                         Name:    Alan G. Siemek
                                         Title:   Treasurer

                                      NBC TEXTBOOKS LLC

                                      By:     /s/ Alan G. Siemek
                                         -----------------------------------
                                         Name:    Alan G. Siemek
                                         Title:   Treasurer

                                      BNY MIDWEST TRUST COMPANY, AS TRUSTEE

                                      By:     /s/ Linda Garcia
                                         -----------------------------------
                                         Name:    Linda Garcia
                                         Title:   Assistant Vice President

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