Document:

<PAGE>

                                                                  EXHIBIT 10.2

                            FIRST AMENDMENT TO THE
                1997 NON-EMPLOYEE DIRECTOR STOCK OPTION PLAN
                              OF MAGNETEK, INC.

         The Corporation hereby adopts this amendment to the 1997
Non-Employee Director Stock Option Plan of MagneTek, Inc. (the "Plan")
pursuant to Section 10 of the Plan, as of this 26th day of July, 2000 as
follows:

         Section 7(a) of the Plan is hereby amended and restated in its
         entirety to read as follows:

         "Upon initial election or appointment of any director to the Board
         or upon a continuing director becoming a Non-Officer Qualifying
         Director, such Non-Officer Qualifying Director will receive an
         option to purchase 7,500 shares of the Company's Common Stock
         pursuant to the terms and conditions described in this Section 7.
         In addition, Non-Officer Qualifying Directors will be automatically
         granted, on an annual basis, a non-qualified stock option to
         purchase 7,500 shares of the Company's Common Stock on the last
         business day of the Company's fiscal year ending after the initial
         grant of such Non-Officer Qualifying Director's 7,500 share option
         pursuant to this Section 7.  Each option granted pursuant to this
         Section 7(a) will have a term of ten years and shall become
         exercisable as follows: options with respect to 50% of the shares
         one year after the date of grant and options with respect to the
         remaining 50% of the shares two years after the date of grant."<PAGE>

                                                                    Exhibit 10.1

                                  Amendment to
                     EMPLOYMENT AGREEMENT of January 21.1999
                                     between
                           MOLECULAR BIOSYSTEMS, INC.
                                       and
                              Howard Dittrich, M.D.

         MOLECULAR BIOSYSTEMS, INC. ("the Company") and Howard Dittrich, M.D.
("Employee"), parties to a written Employment Agreement (the "Employment
Agreement") dated effective January 21, 1999, hereby amend the Employment
Agreement as follows:

         Paragraph 33. ARBITRATION OF DISPUTES. Paragraph 33 shall be amended by
adding thereto the following sentence: "Said arbitration shall be conducted in
San Diego, California pursuant to the National Rules for the Resolution of
Employment Disputes of the American Arbitration Association."

         In all other respects the Employment Agreement shall remain in full
force and effect. Agreed to this 22nd day of September, 2000:

                                     MOLECULAR BIOSYSTEMS, INC.

                                     By: /s/ BOBBA VENKATADRI
                                        ---------------------------------------
                                        Director, Board of Directors, Molecular
                                        Biosystems, Inc.

                                     By: /s/ HOWARD DITTRICH
                                        ---------------------------------------
                                        Howard Dittrich, M.D.<PAGE>

                                                                    Exhibit 10.2

                                  Amendment to
                     EMPLOYMENT AGREEMENT of January 21.1999
                                     between
                           MOLECULAR BIOSYSTEMS, INC.
                                       and
                                Bobba Venkatadri

         MOLECULAR BIOSYSTEMS, INC. ("the Company") and Bobba Venkatadri
("Employee"), parties to a written Employment Agreement (the "Employment
Agreement") dated effective January 21, 1999, hereby amend the Employment
Agreement as follows:

         Paragraph 19. REAL ESTATE. Paragraph 19 shall be amended by replacing
it in its entirety with the following:

         "Paragraph 19. REAL ESTATE. Employee and Company jointly own Employee's
principal residence as tenants in common. The Company's interest in the
residence is equal to $300,000. The employee's interest shall be the remainder
of the purchase price or value of the Property. Employee shall not alienate his
interest in the Property without the Company's consent. Employee shall maintain
the Property and pay all expenses associated with the Property, including but
not limited to all mortgage payments; upkeep; taxes; insurance; homeowner
association fees, if any; repairs and improvements (which shall be done, if at
all, at employee's option); and utilities. If the employee fails or refuses for
any reason to perform the obligations and make the payments called for in the
preceding sentence, the Company may cause the obligations to be performed and/or
make the payments.

         In the event of termination of Employee's employment for any reason
("Termination") the Company's $300,000 interest in the Property shall be
reduced, liquidated and repaid as follows: Within 30 days of Termination
Employee shall repay to Company $50,000, reducing Company's interest in the
Property to $250,000. Within 6 months from Termination Employee shall pay an
additional $50,000 to Company, reducing Company's interest in the Property to
$200,000. Within one year of Termination, Employee shall repay to Company and
additional $100,000, reducing Company's interest in the Property to $100,000. On
or before the expiration of two years from Termination Employee shall repay the
final $100,000 owing to Company. Upon the repayment of Company's interest in the
Property Company shall execute a quitclaim deed or other appropriate document of
conveyance releasing its interest in the Property. If Employee is unwilling or

<PAGE>

unable to purchase Company's interest, Company shall cooperate with Employee to
sell the Property, and Employee shall be deemed to have complied with his
purchase obligation under this subparagraph if a purchasing third party pays the
Company the amount of its interest in the Property.

         If the Employee is deemed to receive taxable income for any payment or
reimbursement under this section, such payments will be grossed up to account
for all applicable income taxes."

         Paragraph 33. ARBITRATION OF DISPUTES. Paragraph 33 shall be amended by
adding thereto the following sentence: "Said arbitration shall be conducted in
San Diego, California pursuant to the National Rules for the Resolution of
Employment Disputes of the American Arbitration Association."

         In all other respects the Employment Agreement shall remain in full
force and effect.

         Agreed to this 22nd day of September, 2000:

                                     MOLECULAR BIOSYSTEMS, INC.

                                     By: /s/ DAVID RUBINFIEN
                                        ---------------------------------------
                                        Director, Board of Directors, Molecular
                                        Biosystems, Inc.

                                     By: /s/ BOBBA VENKATADRI
                                        ---------------------------------------
                                        Bobba Venkatadri<PAGE>

                                                                    Exhibit 10.1

                      SECOND AMENDMENT TO CREDIT AGREEMENT

                  This SECOND AMENDMENT TO CREDIT AGREEMENT dated as of August
15, 2000 (this "Amendment"), among RUBIO'S RESTAURANTS, INC AND RUBIO'S
RESTAURANTS OF NEVADA (collectively the "Borrowers") and FLEET NATIONAL BANK
formerly known as BANKBOSTON, N.A., (the "Bank").

                  WHEREAS, pursuant to the Credit Agreement (as defined below),
the Bank has agreed to make Revolving Credit Loans and a Term Loan to the
Borrower as provided in the Credit Agreement (as defined below);

                  WHEREAS, the Borrower and the Bank wish to revise certain
provisions of the Credit Agreement as provided below eliminating the Term Loan,
setting a performance grid for interests rate, and permitting the Borrower to
engage in a Secondary Offering (as defined below) and making certain other
changes to the Credit Agreement.

                  NOW, THEREFORE, in consideration of the foregoing and the
agreements contained herein, the parties hereby agree as follows:

1) REFERENCE TO CREDIT AGREEMENT.

                  Reference is made to the Revolving Credit and Term Loan
Agreement dated as of May 13, 1998 (as the same may be amended and restated from
time to time, the "Credit Agreement") between the Borrower and the Bank.
Capitalized terms used herein which are defined in the Credit Agreement have the
same meanings herein as therein, except to the extent that such meanings are
amended hereby.

2) AMENDMENTS.

                  The Borrower and the Bank agree that the Credit Agreement is
hereby amended, effective as of the date hereof, as follows:

a) The following definitions in Section 1.1 Defined Terms are added or amended
in their entirety as follows:

         "APPLICABLE MARGIN" means, for any Payment Period (as defined below),
         the respective percentages indicated below for Revolving Credit Loans,
         as applicable, based on the ratio of the Consolidated Total Funded Debt
         to Consolidated EBITDA (the "Leverage Ratio") for such Payment Period:

<TABLE>
<CAPTION>

                                              APPLICABLE MARGIN (% PER ANNUM)
                 ========================================================== ============== ==============
                 LEVERAGE RATIO                                             ADJUSTED       ADJUSTED
                                                                            BASE RATE      LIBOR
                                                                            LOANS          LOANS
                 ========================================================== ============== ==============
                 <S>                                                        <C>            <C>
                 Level I                                                    1.00%          2.50%
                 less than 1.50 to 1
                 ========================================================== ============== ==============
                 Level II                                                   1.50%          3.00%
                 greater than or equal to 1.50 to 1 but less than
                 2.00 to 1
                 ========================================================== ============== ==============
                 Level III greater than 2.00 to 1                           2.00%          3.50%
                 ========================================================== ============== ==============

</TABLE>

<PAGE>

         For purposes hereof, a "Payment Period" means (i) initially, the period
         (the "Initial Payment Period") commencing on the date hereof to the
         date of the actual receipt by the Bank of the report required under
         Section 5.1 hereof for the fiscal quarter ending after the date hereof
         and (ii) thereafter, the period commencing on the day immediately
         succeeding the last day of the prior Payment Period to but not
         including the first day of the calendar month immediately succeeding
         the earlier of (x) the due date of the next report under Section 5.1
         hereof or (y) the date of the actual receipt by the Bank of such
         report. If the report under Section 5.1 hereof is not received on the
         date required hereunder the Applicable Margin shall increase to Level
         III until such time as the Event of Default arising from failure to
         deliver such report is cured by Borrower to the reasonable satisfaction
         of the Lender. The Applicable Margin shall be set for the Initial
         Payment Period at Level I.

         "CLASS" when used in reference to any Loan, Borrowing or Commitment,
         refers to Revolving Credit Loans.

         "COMPLIANCE CERTIFICATE" means a certificate required to be delivered
         by the Borrower to the Bank pursuant to Section 5.1(d) signed by a
         Senior Officer, in substantially the form of the revised compliance
         certificate designated EXHIBIT I hereto.

         "LOANS" means the Revolving Credit Loans.

         "PERMITTED NEW RESTAURANTS" shall mean restaurants which can be
         constructed under the limitations provided in Section 6.9 (d) of the
         Credit Agreement.

         "POST-DEFAULT RATE" has the meaning provided in Section 2.9 (c) of the
         Credit Agreement.

         "REVOLVING CREDIT COMMITMENT" means an amount not to exceed
         $12,000,000.

         "REVOLVING CREDIT MATURITY DATE" means the earlier of July 31, 2004 or
         the date upon which the Borrower receives notice of redemption under
         any series of preferred stock issued by the Borrower, unless extended
         in accordance with Section 2.3(a), in which case the "Revolving Credit
         Maturity Date" shall be such extended date.

         "REVOLVING CREDIT NOTE" means the amended and restated revolving credit
         note substantially in the form appended hereto as EXHIBIT A.

         "SECONDARY OFFERING" means any additional offering on the public
         markets of the common stock of the Borrower.

b) All references to Term Loan Commitment, Term Note or Term Loan in the Credit
Agreement are deleted in their entirety and the parties agree that the Term Loan
Commitment is fully discharged.

c) The following is hereby substituted for Section 2.9 (a) and (b) of the Credit
Agreement:

         (a) The Loans comprising Revolving Credit Loans at the Base Rate shall
         bear interest at a rate per annum equal to the Adjusted Base Rate plus
         the Applicable Margin.

         (b) The Loans comprising Revolving Credit Loans at the LIBO Rate shall
         bear interest of a rate per annum equal to the Adjusted LIBO Rate plus
         the Applicable Margin.

d) Section 3.4 (a) of the Credit Agreement is amended in its entirety to read as
follows:

         (a) The Borrower has heretofore delivered to the Bank the following
         financial statements:

                                       2
<PAGE>

                  (i) The audited balance sheet and statement of earnings
                  (loss), stockholder's deficit and cash flows of the Borrower,
                  as of and for fiscal years ending December 26, 1999,
                  accompanied by an opinion of Deloitte, Touche LLP, independent
                  public accountants;

                   (ii) the unaudited balance sheet and statements of earnings
                  (loss), stockholders' deficit and cash flows of the Borrower
                  as of and for the six months ending four-week periods ended
                  June 25, 2000, certified by a Senior Officer that such
                  financial statements fairly present (subject to normal
                  year-end audit adjustments) the financial condition of the
                  Borrower as at such dates and the results of the operations of
                  the Borrower for the periods ended on such dates and that all
                  such financial statements, including the related schedules and
                  notes thereto have been prepared in accordance with GAAP
                  applied consistently throughout the periods involved; and

e) Section 3.4 (c) of the Credit Agreement is amended in its entirety to read as
follows:

         (c) The Borrower has furnished to the Bank annual combined financial
         projections dated as of June 2000 and covering fiscal years 2000
         through 2004. Such financial projections are based on good faith
         estimates and assumptions made by the Borrower and its management, and
         on the Closing Date, such parties believed that the projections were
         reasonable and attainable, it being recognized by the Bank, however,
         that projections as to future events are not to be viewed as facts and
         that actual results during the period or periods covered by the
         projections may differ from the projected results and that the
         differences may be material.

f) Section 5.10 of the Credit Agreement is amended in its entirety to read as
follows:

         5.10 USE OF PROCEEDS. The proceeds of the Loans will be used only as
         follows: (i) no more than $1,000,000 outstanding at any one time of the
         Revolving Loans may be used for working capital and general corporate
         purposes of the Borrower, (ii) to fund Letters of Credit, and (iii) the
         balance of the Revolving Loans may be used for Permitted New
         Restaurants. No part of the proceeds of any Loan will be used, whether
         directly or indirectly, for any purpose that entails a violation of any
         of the Regulations of the Board, including Regulations U and X.

g) Section 6.9 of the Credit Agreement is amended in its entirety to read as
follows:

         6.9 Certain Financial Covenants. All of the following covenants shall
         be measured at the end of each fiscal quarter of the Borrower, based on
         the four immediately preceding fiscal quarters of the Borrower, except
         as otherwise set forth below.

                  (a) FIXED CHARGE COVERAGE RATIO. The Borrower shall not permit
                  the ratio of Consolidated Cash Flow Plus Rental Expense on the
                  last day of each fiscal quarter for the four fiscal quarters
                  then ended to Consolidated Financial Obligations plus Rental
                  Expense indicated below to be not less than the following at
                  the end of:

                           Each fiscal quarter ending in fiscal year 2000 and
                           fiscal year 2001, to be less than 1.55 to 1.00

                           Each fiscal quarter ending in fiscal year 2002 and
                           thereafter to be less than 1.5 to 1.00

                  (b) MINIMUM INTEREST COVERAGE RATIO. The Borrower will not
                  permit the ratio of Consolidated EBITDA on the last day of
                  each fiscal quarter for the four fiscal quarters then ending
                  to Consolidated Interest Expense during the fiscal year 2000
                  and thereafter to be less than 5.00 to 1.00.

                  (c) MAXIMUM TOTAL LEVERAGE RATIO. The Borrower will not permit
                  the ratio of Consolidated Funded Indebtedness to Consolidated
                  EBITDA at the end of each fiscal quarter for the four fiscal

                                       3
<PAGE>

                  quarters then ended to exceed 2.25 to 1.00 for all of the
                  fiscal quarters ending on and after March 30, 2000.

                  (d) CAPITAL EXPENDITURES. The Borrower shall not incur Capital
                  Expenditures in each of the following fiscal years which
                  exceed: $18,000,000 in fiscal year 2000, $19,000,000 in fiscal
                  year 2001, $20,000,000 in fiscal year 2002, $22,000,000 in
                  fiscal year 2003 and $23,000,000 in fiscal year 2004; provided
                  that the Borrower shall not build any additional stores unless
                  the ratio of Consolidated Funded Indebtedness to Consolidated
                  EBITDA does not exceed 1.25 to 1.00 and on a proforma basis
                  will not exceed 1.25 to 1.00 after such capital expenditure.
                  Up to 50% of the total amount of Capital Expenditures
                  permitted hereunder which is not used in any fiscal year may
                  be carried forward to the next fiscal year, but not
                  thereafter.
                  (e) The Borrower shall have minimum Consolidated EBITDA at the
                  end of each fiscal period as follows:

<TABLE>
<CAPTION>

                           Fiscal Period                                             Minimum Ebitda
                           -------------                                             --------------
                           <S>                                                       <C>
                           Third Fiscal Quarter of Fiscal Year 2000                  $ 6,800,000

                           Fourth Fiscal Quarter of Fiscal Year 2000                 $ 6,900,000

                           First Fiscal Quarter of Fiscal Year 2001                  $ 7,700,000

                           Second Fiscal Quarter of Fiscal Year 2001                 $ 8,200,000

                           Third Fiscal Quarter of Fiscal Year 2001                  $ 8,900,000

                           Fourth Fiscal Quarter of Fiscal Year 2001                 $ 9,400,000

                           At the end of each Fiscal Quarter in Fiscal Year 2002     $10,000,000
                           for the four fiscal quarters then ended.

                           At the end of each Fiscal Quarter in Fiscal Year 2003     $13,500,000
                           for the four fiscal quarters then ended.

                           At the end of each Fiscal Quarter in Fiscal Year 2004     $18,000,000
                           for the four fiscal quarters then ended.

</TABLE>

(d) AMENDMENT OF SECTION 6.4 OF THE CREDIT AGREEMENT. Section 6.4 of the Credit
Agreement is amended by adding the following to the end thereof:

                  Notwithstanding the foregoing, a Secondary Offering shall not
                  be a violation of any of the provisions of this Section 6.4

h) Section 6.8 of the Credit Agreement is amended to read as follows:

                  6.8 DISTRIBUTIONS. The Borrower shall not issue additional
                  shares of any class except as provided in Schedule 6.8 hereof
                  or in conjunction with any Secondary Offering.

                                       4
<PAGE>

i) AMENDMENT OF SECTION 7.1 (m) OF THE CREDIT AGREEMENT. Section 7.1(m) of the
Credit Agreement is amended to read as follows:

                  (m) the failure of the current holders of the common stock of
                  the Borrower (x) to own collectively, beneficially and of
                  record, at least 66% of the capital stock of the Borrower or
                  (y) to control at least 66% of the voting rights in the
                  Borrower; provided that upon the death of any of the
                  foregoing, no Event of Default shall occur if such stock or
                  interest is transferred to members of the deceased's immediate
                  family or such person's personal representative and it shall
                  not be an Event of Default if the common stock ownership is
                  reduced after and as part of any Secondary Offering.

j) Section 8.1 is amended in its entirety to read as follows:

         8.1 NOTICES. Except in the case of notices and other communications
         expressly permitted to be given by telephone, all notices and other
         communications provided for herein shall be in writing and shall be
         delivered by hand or overnight courier service, mailed by certified or
         registered mail or sent by telecopy, as follows:

         (a) if to the Borrower, to Joseph N. Stein, Rubio's Restaurants, Inc.
         1902 Wright Place, Suite 300 Carlsbad, CA 92008, fax number (760)
         929-8203 with a copy to Ray Nopper 1902 Wright Place, Suite 300
         Carlsbad, CA 92008.

         (b) if to the Bank, to Fleet National Bank, 100 Federal Street, Mail
         Code 01-09-05, Boston, Massachusetts 02110, Attention: Thomas P. Tansi,
         Director (Fax No. (617) 434-0637), with a copy to Lane Altman & Owens
         LLP, 100 Federal Street, Boston, Massachusetts 02110, Attention:
         Richard S. Rosenstein, Esq. (Fax No. 617-345-0400).

         Any party hereto may change its address or telecopy number for notices
         and other communications hereunder by written notice to the other
         parties hereto. All notices and other communications given to any party
         hereto in accordance with the provisions of this Agreement shall be
         deemed to have been given on the date of receipt.

2) AFFIRMATION OF SECURITY AGREEMENTS AND INTELLECTUAL PROPERTY SECURITY
AGREEMENTS.

a) The Borrowers affirm that the Security Agreements (as defined in the Credit
Agreement) remain in full force and effect and secure all of the Obligations
either current or future due to the Bank.

b) The Borrower has delivered this date revised Perfection Certificates for each
of them, which are true and correct.

c) The Borrowers affirm that the Intellectual Property Security Agreements (as
defined in the Credit Agreement) remain in full force and effect and secure all
of the Obligations either current or future due to the Bank.

d) The Borrowers have delivered this date revised Schedules for the Intellectual
Property Security Agreement, which are true and correct.

3) NO DEFAULT; REPRESENTATIONS AND WARRANTIES, ETC.

                  The Borrower hereby confirms that: (a) the representations and
warranties of the Borrower contained in the Credit Agreement are true on and as
of the date hereof as if made on such date (except to the extent that such
representations and warranties expressly relate to an earlier date), as modified
by any amendment of Schedules presented herewith; (b) the Borrower is in
compliance in all material respects with all of the terms and provisions set
forth in the Credit Agreement on their part to be observed or performed; and (c)
after giving effect to this Amendment, no Event of Default, nor any event which
with the giving of notice or expiration of any applicable grace period or both
would constitute such an Event of Default, shall have occurred and be
continuing.

                                       5
<PAGE>

4) CONDITIONS TO THIS AMENDMENT.

                  This Second Amendment shall not become effective until the
date on which each of the following conditions is satisfied:

         a) COUNTERPARTS OF AGREEMENT. The Bank shall have received from each
         party hereto a counterpart of this Agreement signed on behalf of such.

         b) NOTE. The Bank shall have received the Revolving Credit Note duly
         completed and executed by the Borrower.

         c) CORPORATE MATTERS. The Bank shall have received such documents and
         certificates as the Bank or Special Counsel may reasonably request
         relating to the organization, existence and good standing of the
         Borrower, the authorization of the Transactions and any other legal
         matters relating to the Borrower, this Agreement, the other Loan
         Documents or the Transactions, all in form and substance reasonably
         satisfactory to the Bank and its counsel.

         d) SECURITY INTERESTS. The Bank shall have received the results of UCC
         searches in every jurisdiction in which the Borrower operates or
         intends to operate in the next twelve months and has determined that
         the Bank either has or upon filing a financing statement will have a
         First Priority on all of the assets of the Borrower in each of those
         states which can be perfected by filing of a financing statement.
         Provided that all additional financing statements must be filed within
         10 days of the date of this Amendment.

         e) PERFECTION CERTIFICATES. The Borrower has delivered to the Bank
         updated Perfection Certificates.

         f) LANDLORD WAIVERS. The Borrower will use all of its best efforts to
         deliver Landlord Waivers in the form appended hereto as Exhibit G for
         the locations listed on Schedule 3.5 as revised through the date of
         closing of this Second Amendment. Provided that all such Landlord
         Waivers must be delivered no later than sixty (60) days after the date
         of this Amendment.

         g) EVIDENCE OF INSURANCE. The Bank shall have received a certificate
         from the Borrower's insurance broker or other evidence satisfactory to
         it that all insurance required to be maintained pursuant to Section 5.5
         is in full force and effect and that the Bank has been named as
         additional insured and loss payee thereunder to the extent required
         under Section 5.5.

         h) NECESSARY GOVERNMENTAL AUTHORIZATIONS AND CONSENTS. The Borrower
         shall have obtained all permits, licenses, authorizations or consents
         from all Governmental Authorities and all consents of other Persons
         with respect to Material Indebtedness, Liens and agreements listed on
         Schedule 3.14 (and so identified thereon) annexed hereto, in each case
         that are necessary or advisable in connection with the Loan Documents
         and the continued operation of the business conducted by the Borrower,
         in substantially the same manner as presently conducted, and each of
         the foregoing shall be in full force and effect, in each case other
         than those the failure to obtain or maintain which, either individually
         or in the aggregate, would not reasonably be expected to have a
         Material Adverse Effect.

         i) NO MATERIAL ADVERSE EFFECT. There shall have occurred no Material
         Adverse Effect (in the reasonable opinion of the Bank) as to the
         Borrower taken as a whole.

         j) OPINION OF COUNSEL TO BORROWER. The Bank shall have received a
         favorable written opinion (addressed to the Bank and dated the Closing
         Date) of Brobeck, Phleger & Harrison, LLP, counsel to the Borrower
         covering such matters relating to the Borrower, this Agreement, the
         other Loan Documents or the Transactions as the Bank shall reasonably
         request (and the Borrower hereby requests such counsel to deliver such
         opinion).

                                       6
<PAGE>

         k) FEES AND EXPENSES. The Bank shall have received all fees and other
         amounts due and payable at or prior to the Closing Date, including, a
         the closing fee and all out-of-pocket expenses required to be
         reimbursed or paid by the Borrower hereunder and payment of fees and
         expenses due to Special Counsel and all of Special Counsel's out of
         pocket expenses.

         l) FINANCIAL STATEMENTS. The Bank shall have received the financial
         statements for fiscal year ending December 26, 1999, as audited by
         Borrower's Accountant.

         m) Other Documents. The Bank shall have received such other documents
         as the Bank or any Lender or Special Counsel shall have reasonably
         requested.

5) MISCELLANEOUS.

a) Except to the extent specifically amended hereby, the Credit Agreement, the
Loan Documents and all related documents shall remain in full force and effect.
Whenever the terms or sections amended hereby shall be referred to in the Credit
Agreement, Loan Documents or such other documents (whether directly or by
incorporation into other defined terms), such defined terms shall be deemed to
refer to those terms or sections as amended by this Amendment.

b) This Amendment may be executed in any number of counterparts, each of which,
when executed and delivered, shall be an original, but all counterparts shall
together constitute one instrument.

c) This Amendment shall be governed by the laws of the Commonwealth of
Massachusetts and shall be binding upon and inure to the benefit of the parties
hereto and their respective successors and assigns.

                  IN WITNESS WHEREOF, the parties hereto have executed this
Amendment which shall be deemed to be a sealed instrument as of the date first
above written.

                                          RUBIO'S RESTAURANTS, INC.

                                          By /s/ Ralph Rubio
                                            ------------------------------------
                                          Name: Ralph Rubio
                                          Title:  President

                                          RUBIO'S RESTAURANTS OF NEVADA, INC.

                                          By /s/ Richard Rubio
                                            ------------------------------------
                                          Name: Richard Rubio
                                          Title:  President

                                          FLEET NATIONAL BANK
                                          formerly known as
                                          BankBoston, N.A.

                                          By /s/ Thomas Tansi
                                            ------------------------------------
                                          Name: Thomas Tansi
                                          Title: Director

                                       7

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