Document:

<PAGE>

                                                                   EXHIBIT 10.33

                FIRST AMENDMENT TO CREDIT AND SECURITY AGREEMENT
                             AND WAIVER OF DEFAULTS

         This Amendment, dated as of March 26, 2003, is made by and between
METRETEK, INCORPORATED, a Florida corporation (the "Borrower"), and WELLS FARGO
BUSINESS CREDIT, INC., a Minnesota corporation (the "Lender").

                                    RECITALS

         The Borrower and the Lender are parties to a Credit and Security
Agreement dated as of September 6, 2002 (the "Credit Agreement"). Capitalized
terms used in these recitals have the meanings given to them in the Credit
Agreement unless otherwise specified.

         The Borrower has requested that certain amendments be made to the
Credit Agreement, which the Lender is willing to make pursuant to the terms and
conditions set forth herein.

         NOW, THEREFORE, in consideration of the premises and of the mutual
covenants and agreements herein contained, it is agreed as follows:

         1.      Defined Terms. Capitalized terms used in this Amendment which
are defined in the Credit Agreement shall have the same meanings as defined
therein, unless otherwise defined herein.

         2.      Section 6.2(a). Section 6.2(a) of the Credit Agreement is
amended and restated in its entirety to read as follows:

                  "(a) MINIMUM TANGIBLE NET WORTH. The Borrower will maintain,
         during each period described below, its Tangible Net Worth, less (i)
         software development and (ii) intercompany indebtedness owing from all
         Corporate Guarantors to Borrower, determined as at the end of each
         month, at an amount not less than the amount set forth opposite such
         period (numbers appearing between "< >" are negative):

<TABLE>
<CAPTION>
                                Period                    Minimum Tangible Net Worth
                                ------                    --------------------------
<S>                                                             <C>
                            March 31, 2003                        $1,080,000
                            April 30, 2003                        $1,190,000
                             May 31, 2003                         $1,300,000
                            June 30, 2003                         $1,590,000
                            July 31, 2003                         $1,590,000
                           August 31, 2003                        $1,590,000
                          September 30, 2003                      $1,590,000
                           October 31, 2003                       $1,590,000
                          November 30, 2003                       $1,590,000
                   December 31, 2003 and thereafter               $1,590,000 "
</TABLE>
                                       1
<PAGE>
         3.       Section 6.2(b). Section 6.2(b) of the Credit Agreement is
amended and restated in its entirety to read as follows:

                  "(b) MINIMUM NET INCOME. The Borrower will achieve during each
         period described below, its Net Income, of not less than the amount set
         forth opposite such period (numbers appearing between "< >" are
         negative):

<TABLE>
<CAPTION>
                                Period                                   Minimum Net Income
                                ------                                   ------------------
<S>                                                           <C>
                            March 31, 2003                                   $625,000
                            April 30, 2003                                   $525,000
                             May 31, 2003                                    $425,000
                            June 30, 2003                                    $140,000
                            July 31, 2003                                    $215,000
                           August 31, 2003                                   $220,000
                          September 30, 2003                                 $235,000
                           October 31, 2003                                  $315,000
                          November 30, 2003                                  $400,000
                          December 31, 2003                                  $415,000 "
</TABLE>

         4.       Section 6.2(c). Section 6.2(c) of the Credit Agreement is
amended and restated in its entirety to read as follows:

                  "(c)     CAPITAL EXPENDITURES.  The Borrower will not incur or
         contract to incur unfinanced Capital Expenditures of more than $200,000
         in the aggregate during the fiscal year ending December 31, 2003."

         5.       Section 6.27. Section 6.27 of the Credit Agreement is amended
and restated in its entirety to read as follows:

                  "Section 6.27 Advances to Corporate Guarantors. Before making
         an advance to any Corporate Guarantor, and after making such advance to
         any Corporate Guarantor, Availability shall not be less than $100,000.
         Advances to Corporate Guarantors shall not exceed $500,000 in the
         aggregate during the fiscal year ending December 31, 2003."

         6.       Exhibit B. Exhibit B of the Credit Agreement is amended and
restated in its entirety and replaced with Exhibit B attached hereto.

         7.       No Other Changes. Except as explicitly amended by this
Amendment, all of the terms and conditions of the Credit Agreement shall remain
in full force and effect and shall apply to any advance or letter of credit
thereunder.

                                       2
<PAGE>

         8.       Waiver of Defaults. The Borrower is in default under Section
6.2(b) Minimum Net Income and Section 6.2(c) Capital Expenditures of the Credit
Agreement as of December 31, 2002 (collectively, the "Existing Defaults"). Upon
the terms and subject to the conditions set forth in this Amendment, the Lender
hereby waives the Existing Defaults. This waiver shall be effective only in this
specific instance and for the specific purpose for which it is given, and this
waiver shall not entitle the Borrower to any other or further waiver in any
similar or other circumstances.

         9.       Amendment Fee. The Borrower shall pay the Lender as of the
date hereof a fully earned, non-refundable fee in the amount of $3,000 in
consideration of the Lender's execution and delivery of this Amendment.

         10.      Conditions Precedent. This Amendment, and the waiver set
forth in Paragraph 8 hereof, shall be effective when the Lender shall have
received an executed original hereof, together with each of the following, each
in substance and form acceptable to the Lender in its sole discretion:

                  (a) The Acknowledgment and Agreement of Guarantors and the
Acknowledgment and Agreement of Subordinated Creditor set forth at the end of
this Amendment, duly executed by each Guarantor and Subordinated Creditor.

                  (b) Payment of the fee described in Paragraph 9.

                  (c) Such other matters as the Lender may require.

         11.      Representations and Warranties. The Borrower hereby represents
and warrants to the Lender as follows:

                  (a) The Borrower has all requisite power and authority to
execute this Amendment and to perform all of its obligations hereunder, and this
Amendment has been duly executed and delivered by the Borrower and constitutes
the legal, valid and binding obligation of the Borrower, enforceable in
accordance with its terms.

                  (b) The execution, delivery and performance by the Borrower of
this Amendment have been duly authorized by all necessary corporate action and
do not (i) require any authorization, consent or approval by any governmental
department, commission, board, bureau, agency or instrumentality, domestic or
foreign, (ii) violate any provision of any law, rule or regulation or of any
order, writ, injunction or decree presently in effect, having applicability to
the Borrower, or the articles of incorporation or by-laws of the Borrower, or
(iii) result in a breach of or constitute a default under any indenture or loan
or credit agreement or any other agreement, lease or instrument to which the
Borrower is a party or by which it or its properties may be bound or affected.

                  (c) All of the representations and warranties contained in
Article V of the Credit Agreement are correct on and as of the date hereof as
though made on and as of such date, except to the extent that such
representations and warranties relate solely to an earlier date.

         12.      References. All references in the Credit Agreement to "this
Agreement" shall be deemed to refer to the Credit Agreement as amended hereby;
and any and all references in the

                                       3
<PAGE>

Security Documents to the Credit Agreement shall be deemed to refer to the
Credit Agreement as amended hereby.

         13.      No Other Waiver. Except as set forth in Paragraph 8 hereof,
the execution of this Amendment and acceptance of any documents related hereto
shall not be deemed to be a waiver of any Default or Event of Default under the
Credit Agreement or breach, default or event of default under any Security
Document or other document held by the Lender, whether or not known to the
Lender and whether or not existing on the date of this Amendment.

         14.      Release. The Borrower, and each Guarantor by signing the
Acknowledgment and Agreement of Guarantors set forth below, and the Subordinated
Creditor by signing the Acknowledgment and Agreement of Subordinated Creditor
set forth below, each hereby absolutely and unconditionally releases and forever
discharges the Lender, and any and all participants, parent corporations,
subsidiary corporations, affiliated corporations, insurers, indemnitors,
successors and assigns thereof, together with all of the present and former
directors, officers, agents and employees of any of the foregoing, from any and
all claims, demands or causes of action of any kind, nature or description,
whether arising in law or equity or upon contract or tort or under any state or
federal law or otherwise, which the Borrower or such Guarantor or such
Subordinated Creditor has had, now has or has made claim to have against any
such person for or by reason of any act, omission, matter, cause or thing
whatsoever arising from the beginning of time to and including the date of this
Amendment, whether such claims, demands and causes of action are matured or
unmatured or known or unknown.

         15.      Costs and Expenses. The Borrower hereby reaffirms its
agreement under the Credit Agreement to pay or reimburse the Lender on demand
for all costs and expenses incurred by the Lender in connection with the Loan
Documents, including without limitation all reasonable fees and disbursements of
legal counsel. Without limiting the generality of the foregoing, the Borrower
specifically agrees to pay all fees and disbursements of counsel to the Lender
for the services performed by such counsel in connection with the preparation of
this Amendment and the documents and instruments incidental hereto. The Borrower
hereby agrees that the Lender may, at any time or from time to time in its sole
discretion and without further authorization by the Borrower, make a loan to the
Borrower under the Credit Agreement, or apply the proceeds of any loan, for the
purpose of paying any such fees, disbursements, costs and expenses and the fee
required under Paragraph 9 hereof.

         16.      Miscellaneous. This Amendment and the Acknowledgment and
Agreement of Guarantors and the Acknowledgment and Agreement of Subordinated
Creditor may be executed in any number of counterparts, each of which when so
executed and delivered shall be deemed an original and all of which
counterparts, taken together, shall constitute one and the same instrument.

                                       4

<PAGE>

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

WELLS FARGO BUSINESS CREDIT, INC.            METRETEK, INCORPORATED

By:      /s/ Patti Scudder                   By:      /s/ A. Bradley Gabbard
         -------------------------------              --------------------------
Name:    Patti Scudder                       Name:    A. Bradley Gabbard
         -------------------------------              --------------------------
Its:                                         Its:     Exec. VP
         -------------------------------              --------------------------

                                       5

<PAGE>

                   ACKNOWLEDGMENT AND AGREEMENT OF GUARANTORS

         The undersigned, each a guarantor of the indebtedness of Metretek,
Incorporated (the "Borrower") to Wells Fargo Business Credit, Inc. (the
"Lender") pursuant to a separate Guaranty each dated as of September 6, 2002,
(each a "Guaranty"), hereby (i) acknowledges receipt of the foregoing Amendment;
(ii) consents to the terms (including without limitation the release set forth
in Paragraph 14 of the Amendment) and execution thereof; (iii) reaffirms its
obligations to the Lender pursuant to the terms of its Guaranty; and (iv)
acknowledges that the Lender may amend, restate, extend, renew or otherwise
modify the Credit Agreement and any indebtedness or agreement of the Borrower,
or enter into any agreement or extend additional or other credit accommodations,
without notifying or obtaining the consent of the undersigned and without
impairing the liability of the undersigned under its Guaranty for all of the
Borrower's present and future indebtedness to the Lender.

METRETEK CONTRACT MANUFACTURING COMPANY, INC.     METRETEK TECHNOLOGIES, INC.

By:      /s/ A. Bradley Gabbard
Name:    A. Bradley Gabbard                       By:    /s/ A. Bradley Gabbard
         ------------------------------                  ----------------------
Its:     Exec. VP                                 Name:  A. Bradley Gabbard
         ------------------------------                  -----------------------
                                                  Its:   Exec. VP
                                                           ---------------------
POWERSECURE, INC.                                 SOUTHERN FLOW COMPANIES, INC.

By:      /s/ A. Bradley Gabbard                   By:    /s/ A. Bradley Gabbard
         ------------------------------                  ----------------------
Name:    A. Bradley Gabbard                       Name:  A. Bradley Gabbard
         ------------------------------                  -----------------------
Its:     Exec. VP                                 Its:   Exec. VP
         ------------------------------                  -----------------------

                                       1

<PAGE>

              ACKNOWLEDGMENT AND AGREEMENT OF SUBORDINATED CREDITOR

         The undersigned, a subordinated creditor of Metretek, Incorporated (the
"Borrower") to Wells Fargo Business Credit, Inc. (the "Lender") pursuant to a
Subordination Agreement dated as of September 6, 2002 (the "Subordination
Agreement"), hereby (i) acknowledges receipt of the foregoing Amendment; (ii)
consents to the terms (including without limitation the release set forth in
Paragraph 14 of the Amendment) and execution thereof; (iii) reaffirms its
obligations to the Lender pursuant to the terms of its Subordination Agreement;
and (iv) acknowledges that the Lender may amend, restate, extend, renew or
otherwise modify the Loan Documents and any indebtedness or agreement of the
Borrower, or enter into any agreement or extend additional or other credit
accommodations, without notifying or obtaining the consent of the undersigned
and without impairing the obligations of the undersigned under its Subordination
Agreement.

                                     METRETEK TECHNOLOGIES, INC.

                                     By:      /s/ A. Bradley Gabbard
                                              ----------------------------------
                                     Name:    A. Bradley Gabbard
                                              ----------------------------------
                                     Its:     Exec. VP
                                              ----------------------------------
                                       1

<PAGE>
                                      Exhibit B to Credit and Security Agreement

                             COMPLIANCE CERTIFICATE

To:      Wells Fargo Business Credit, Inc.
Date:    __________________, 200__
Subject: Financial Statements

         In accordance with our Credit and Security Agreement dated as of
September 6, 2002, as amended by a First Amendment to Credit and Security
Agreement and Waiver of Defaults dated as of March 26, 2003 (as so amended, the
"Credit Agreement"), attached are the financial statements of Metretek,
Incorporated (the "Borrower") as of and for ________________, 200__ (the
"Reporting Date") and the year-to-date period then ended (the "Current
Financials"). All terms used in this certificate have the meanings given in the
Credit Agreement.

         I certify that the Current Financials have been prepared in accordance
with GAAP, subject to year-end audit adjustments, and fairly present the
Borrower's financial condition as of the date thereof.

         EVENTS OF DEFAULT.  (Check one):

         [  ]     The undersigned does not have knowledge of the occurrence of a
                  Default or Event of Default under the Credit Agreement except
                  as previously reported in writing to the Lender.

         [  ]     The undersigned has knowledge of the occurrence of a Default
                  or Event of Default under the Credit Agreement not previously
                  reported in writing to the Lender and attached hereto is a
                  statement of the facts with respect to thereto. The Borrower
                  acknowledges that pursuant to Section 2.8(c) of the Credit
                  Agreement, the Lender may impose the Default Rate at any time
                  during the resulting Default Period.

         Financial Covenants.  I further hereby certify as follows:

         1. MINIMUM TANGIBLE NET WORTH. Pursuant to Section 6.2(a) of the Credit
Agreement, as of the Reporting Date the Borrower's Tangible Net Worth, less (a)
software development and (b) intercompany indebtedness owing from all Corporate
Guarantors to Borrower, was $____________ which [  ] satisfies [  ] does not
satisfy the requirement that such amount be not less than $_____________ on the
Reporting Date as set forth in the table below (numbers appearing between "< >"
are negative):

                      Period                    Minimum Tangible Net Worth
                      ------                    --------------------------
                  March 31, 2003                       $1,080,000
                  April 30, 2003                       $1,190,000

                                       1
<PAGE>
<TABLE>
<CAPTION>
                                Period                    Minimum Tangible Net Worth
                                ------                    --------------------------
<S>                                                           <C>
                             May 31, 2003                        $1,300,000
                            June 30, 2003                        $1,590,000
                            July 31, 2003                        $1,590,000
                           August 31, 2003                       $1,590,000
                          September 30, 2003                     $1,590,000
                           October 31, 2003                      $1,590,000
                          November 30, 2003                      $1,590,000
                   December 31, 2003 and thereafter              $1,590,000 "
</TABLE>

         2. MINIMUM NET INCOME. Pursuant to Section 6.2(b) of the Credit
Agreement, the Borrower's Net Income for the ________ period ending on the
Reporting Date, was $____________, which satisfies does not satisfy the
requirement that such amount be not less than $_____________ during such period
as set forth in the table below (numbers appearing between "< >" are negative):

<TABLE>
<CAPTION>
                                Period                                   Minimum Net Income
                                ------                                   ------------------
<S>                                                                      <C>
                            March 31, 2003                                    $625,000
                            April 30, 2003                                    $525,000
                             May 31, 2003                                     $425,000
                            June 30, 2003                                     $140,000
                            July 31, 2003                                     $215,000
                           August 31, 2003                                    $220,000
                          September 30, 2003                                  $235,000
                           October 31, 2003                                   $315,000
                          November 30, 2003                                   $400,000
                          December 31, 2003                                   $415,000 "
</TABLE>

         3. CAPITAL EXPENDITURES. Pursuant to Section 6.2(c) of the Credit
Agreement, for the year-to-date period ending on the Reporting Date, the
Borrower has expended or contracted to expend during the fiscal year ended
December 31, 2003, for unfinanced Capital Expenditures, $__________________ in
the aggregate, which [  ] satisfies [  ] does not satisfy the requirement that
such expenditures not exceed $200,000 in the aggregate during such year.

         4. SALARIES.  As of the Reporting Date, the Borrower [  ] is [  ] is
not in compliance with Section 6.8 of the Credit Agreement concerning salaries.

         5. ADVANCES TO CORPORATE GUARANTORS. Pursuant to Section 6.27 of the
Credit Agreement, for the year-to-date period ending on the Reporting Date, the
Borrower has advanced to Corporate Guarantors, during the fiscal year ended
December 31, 2003, $_________________ in the aggregate, which [  ] satisfies
[  ] does not satisfy the requirement that such advances not exceed $500,000
in the aggregate during such year.

                                       2
<PAGE>

         Attached hereto are all relevant facts in reasonable detail to
evidence, and the computations of the financial covenants referred to above.
These computations were made in accordance with GAAP.

                                       By:___________________________________
                                       Its Chief Financial Officer

                                       3<PAGE>
                                                                      EXHIBIT 4e

                            REGENT BROADCASTING, INC.
                           REGENT COMMUNICATIONS, INC.

                               AMENDMENT AGREEMENT

         AMENDMENT AGREEMENT, dated as of February 14, 2003, by and among (a)
REGENT BROADCASTING, INC., a Delaware corporation ("BORROWER"), (b) REGENT
COMMUNICATIONS, INC., a Delaware corporation ("PARENT COMPANY", and, together
with the Borrower, collectively, the "PRINCIPAL COMPANIES" and, singly, a
"PRINCIPAL COMPANY"), (c) the several financial institutions from time to time
party to this Agreement as Lenders hereunder, and (d) FLEET NATIONAL BANK, as
administrative agent ("ADMINISTRATIVE AGENT") for the several financial
institutions from time to time party as lenders to the Credit Agreement referred
to below (collectively, the "LENDERS"), FLEET NATIONAL BANK, as Issuing Lender,
GENERAL ELECTRIC CAPITAL CORPORATION, as syndication agent for the Lenders
("SYNDICATION AGENT"), and DRESDNER BANK AG, NEW YORK AND GRAND CAYMAN BRANCHES,
as documentation agent for the Lenders ("DOCUMENTATION AGENT"). Reference is
made to the Credit Agreement, dated as of January 27, 2000 (as amended from time
to time, the "CREDIT AGREEMENT"), by and among the Principal Companies, the
Lenders, the Administrative Agent, the Issuing Lender, the Syndication Agent and
the Documentation Agent.

                  The Principal Companies have requested the Lenders to amend
certain of the provisions of the Credit Agreement upon the terms contained in
this Amendment Agreement ("THIS AGREEMENT"). Required Lenders have agreed to
amend the Credit Agreement as requested by the Principal Companies, all upon the
terms and subject to the conditions contained in this Agreement.

         Accordingly, the parties hereto hereby agree as follows:

                             ARTICLE I. DEFINITIONS

         SECTION 1.1. DEFINITIONS IN CREDIT AGREEMENT. Unless otherwise defined
herein, terms defined in the Credit Agreement (as from time to time amended
prior to the date hereof) are used herein as therein defined.

         SECTION 1.2. NEW DEFINED TERMS. Each of the following defined terms
shall, when used in this Agreement, have the following meanings:

<PAGE>
                                      -2-

         "AMENDMENT EFFECTIVE DATE" means February 14, 2003, the effective date
of this Agreement and the effective date of the Amendments (SUBJECT, ALWAYS, to
the provisions of Article II and Article III hereof).

         "AMENDMENTS" means, collectively, the amendments to the Credit
Agreement adopted by the Principal Companies and Required Lenders upon the terms
and subject to the conditions contained in Article II and in Article III of this
Agreement.

                    ARTICLE II. AMENDMENT OF CREDIT AGREEMENT

         SECTION 2.1. AMENDMENTS. In reliance on the agreements, representations
and warranties of the Principal Companies contained in this Agreement, but
subject always to the satisfaction of the conditions precedent contained in
Article III of this Agreement, the Lenders that are parties to this Agreement
(which Lenders constitute Required Lenders) hereby agree with the Principal
Companies to amend the Credit Agreement as follows:

         (a) AMENDMENT OF DEFINED TERM. Subclause (ii) of the definition of the
defined term "CONSOLIDATED FIXED CHARGES" appearing in Section 1.1 of the Credit
Agreement is hereby amended:

                  (i)      by deleting the phrase "but only if and to the extent
                           that such Restricted Payments are permitted by
                           Section 9.7" which appears at the end of such
                           subclause (ii) of the defined term; and

                  (ii)     by inserting in place thereof the following phrase:

                                    "but only if and to the extent that such
                                    Restricted Payments are expressly permitted
                                    by paragraph (d) of Section 9.7"

         (b) AMENDMENT OF NEGATIVE COVENANT. Paragraph (g) of Section 9.7 of the
Credit Agreement was adopted and made a part of Section 9.7 upon the terms
contained in Amendment No. 2 to Credit Agreement. Paragraph (g) of Section 9.7
is hereby amended and restated in its entirety to read as follows:

                  "(g) cash payments by the Borrower to the Parent Company for
         any repurchases by the Parent Company of any of its Equity Interests,
         and cash payments by the Parent Company for and in connection with any
         repurchases of any of its Equity Interests for cash; provided, however,
         that:

                  (i)      the aggregate amount of all of such cash payments
                           made by the Borrower to the Parent Company from time
                           to time after

<PAGE>
                                      -3-

                           January 1, 2003 for all of such repurchases by the
                           Parent Company shall not exceed $10,000,000 in the
                           aggregate;

                  (ii)     the aggregate amount of all of such cash payments
                           made by the Parent Company from time to time after
                           January 1, 2003 for and in connection with all of
                           such repurchases by the Parent Company shall not
                           exceed $10,000,000 in the aggregate;

                  (iii)    with respect to each such repurchase, the
                           Consolidated Leverage Ratio as of the then most
                           recent Covenant Determination Date, as determined on
                           a Pro Forma Basis after giving effect to such
                           repurchase and any related increases in Consolidated
                           Total Debt, shall not exceed 5.00:1.00; and

                  (iv)     at the time of each of such payments and repurchases,
                           no Event of Default shall be continuing or shall
                           result therefrom."

         Upon satisfaction of all of the conditions precedent contained in
Article III of this Agreement, the Amendments to the Credit Agreement set forth
in this Section 2.1 shall be deemed effective as of and from and after the
Amendment Effective Date.

         SECTION 2.2. LIMITATIONS. Anything in Section 2.1 of this Agreement
express or implied to the contrary notwithstanding, if any of the conditions set
forth in Article III hereof are not satisfied on a timely basis as provided in
Article III, then the Amendments set forth in Section 2.1 of this Agreement
shall, for all purposes of this Agreement and the Credit Agreement, be void with
the same full force and effect as if the Amendments had never been adopted by
the Principal Companies and the Required Lenders. If such conditions shall be
satisfied in accordance with the terms set forth in Article III, then the
Amendments shall remain at all times in full force and effect from and after the
Amendment Effective Date, without any further action on the part of any of the
parties hereto.

         SECTION 2.3. NO WAIVER OF OBLIGATIONS. The Amendments shall not operate
(a) as waivers of any of the rights, remedies, powers or privileges of any of
the Lenders or Agents under the Credit Agreement or any of the other Loan
Documents, except as and to the limited extent expressly provided by this
Agreement, or (b) as waivers of or consents to any Defaults or Events of Default
under the Credit Agreement or any of the other Loan Documents.

         SECTION 2.4. NO OTHER MODIFICATIONS OR AMENDMENTS. Except as and to the
limited extent otherwise expressly provided by this Agreement, the Principal
Companies shall at all times remain bound by the provisions of the Credit
Agreement and the other Loan Documents.

<PAGE>
                                      -4-

         SECTION 2.5. BINDING EFFECT. Subject, always, in any event to the
provisions of Article III and Section 2.2 hereof, the Amendments shall, upon
execution and delivery of this Agreement by Lenders constituting Required
Lenders, be binding upon each of the Lenders and Agents.

                        ARTICLE III. CONDITIONS PRECEDENT

         Each of the Amendments set forth in Section 2.1 of this Agreement shall
be effective and in full force and effect on and as of, and also from and after,
the Amendment Effective Date, i.e., February 14, 2003; provided, however, that
each of the following conditions precedent shall first be satisfied:

         SECTION 3.1. EXECUTION AND DELIVERY OF THIS AGREEMENT. The
Administrative Agent shall have received, not later than the Administrative
Agent's close of business in Boston, Massachusetts on February 25, 2003,
counterparts of this Agreement duly executed and delivered by the Principal
Companies and Required Lenders.

                   ARTICLE IV. REPRESENTATIONS AND WARRANTIES

         Each of the Principal Companies, jointly and severally, represents and
warrants to each of the Lenders and Agents on and as of the date hereof, after
giving effect to this Agreement, as follows:

         SECTION 4.1. REPRESENTATIONS IN CREDIT AGREEMENT. Each of the
representations and warranties made by or on behalf of each of the Principal
Companies to the Lenders and Agents in the Credit Agreement or in any of the
other Loan Documents is true and correct in all material respects on and as of
the date hereof after giving effect to this Agreement, except: (a) as affected
by the consummation of the transactions contemplated by the Loan Documents
(including this Agreement); (b) to the extent that any such representation or
warranty relates by its express terms solely to a prior date; and (c) as and to
the limited extent otherwise disclosed to each of the Lenders and Agents in
writing prior to the date hereof. After giving effect to this Agreement, no
Defaults or Events of Default are continuing under the Credit Agreement or any
of the other Loan Documents.

         SECTION 4.2. CORPORATE AUTHORITY; ETC. The execution and delivery by
each of the Principal Companies of this Agreement, and the performance by each
of the Principal Companies of its agreements and obligations under this
Agreement, have been duly and properly authorized by all necessary corporate or
other action on the part of each of the Principal Companies, and do not and will
not conflict with, result in any violation of, or constitute any default under,
(a) any provision of any Governing Documents of either of the Principal
Companies, (b) any Contractual Obligations of either of the Principal Companies,
or (c) any Applicable Law. No

<PAGE>
                                      -5-

approval, authorization or other action by, or declaration to or filing with,
any Governmental Authority or any other Person is required to be obtained or
made by either of the Principal Companies in connection with its execution,
delivery or performance of this Agreement.

         SECTION 4.3. VALIDITY; ETC. This Agreement has been duly executed and
delivered by each of the Principal Companies and constitutes the legal, valid
and binding obligation of each of the Principal Companies, enforceable against
it in accordance with its terms, except as such enforceability may be limited by
bankruptcy, reorganization, insolvency, moratorium or other similar laws at the
time in effect affecting the enforceability of the rights of creditors generally
and to general equitable principles.

                   ARTICLE V. COVENANTS OF PRINCIPAL COMPANIES

         Each of the Principal Companies, jointly and severally, covenants and
agrees with each of the Lenders and Agents, such covenants to remain in full
force and effect and binding upon the Principal Companies at all times from and
after the Amendment Effective Date and until all of the Obligations shall have
been paid in full and in cash, as follows:

         SECTION 5.1.  INFORMATION REGARDING PERMITTED EQUITY REPURCHASES; ETC.

         (a) The Principal Companies shall from time to time furnish to the
Lenders and Agents such reasonably detailed information pertaining to the making
of Restricted Payments of the kind described in paragraph (g) of Section 9.7 of
the Credit Agreement as the Administrative Agent or Required Lenders may from
time to time reasonably request. All of such information shall be presented in
such detail and shall be in such written form as shall be reasonably
satisfactory to the Administrative Agent and Required Lenders.

         (b) If any repurchases by the Parent Company of any of its Equity
Interests in compliance with Section 9.7(g) of the Credit Agreement (each such
repurchase being hereinafter called a "PERMITTED EQUITY REPURCHASE") shall be
completed during any Fiscal Quarter ending after December 31, 2002, the
Principal Companies shall include in the Compliance Certificate furnished to the
Administrative Agent and the Lenders pursuant to Section 8.2(a) of the Credit
Agreement with the financial statements for such Fiscal Quarter or (as the case
may be) for the Fiscal Year ending with the end of such Fiscal Quarter the
following information regarding each of the Permitted Equity Repurchases
completed by the Parent Company during such Fiscal Quarter:

                  (i) the aggregate amount of all of the payments made in cash
         by or on behalf of the Parent Company for and in connection with all of
         the

<PAGE>
                                      -6-

         Permitted Equity Repurchases completed by the Parent Company during
         such Fiscal Quarter, and the aggregate amount of all of the payments
         made in cash by or on behalf of the Parent Company from time to time
         after January 1, 2003 for and in connection with all of the Permitted
         Equity Repurchases completed after January 1, 2003 and on or prior to
         the last day of such Fiscal Quarter;

                  (ii) the number and kind of Equity Interests of the Parent
         Company acquired by the Parent Company in connection with all of the
         Permitted Equity Repurchases completed during such Fiscal Quarter; and

                  (iii) the Consolidated Leverage Ratio as of the last day of
         such Fiscal Quarter, as determined on a Pro Forma Basis after giving
         effect to all of the Permitted Equity Repurchases completed by the
         Parent Company during such Fiscal Quarter and after giving effect to
         all increases in Consolidated Total Debt related to such Permitted
         Equity Repurchases.

         SECTION 5.2. FEES, COSTS AND EXPENSES. The Principal Companies shall
pay in full to special counsel for the Administrative Agent, not later than
February 28, 2003, all of the fees and out-of-pocket costs and expenses of
special counsel to the Administrative Agent, incurred in connection with this
Agreement, the Consent Agreement of October 29, 2002 ("CONSENT AGREEMENT"), the
Acquisition Documents (as defined in the Consent Agreement), the preparation and
issuance of the Letter of Credit (as defined in the Consent Agreement), and
attention to other matters under the Loan Documents, from time to time from and
after October 18, 2002 through and including February 7, 2003 and for which an
invoice shall have been submitted by special counsel for the Administrative
Agent on or prior to February 7, 2003.

                  ARTICLE VI. PROVISIONS OF GENERAL APPLICATION

         SECTION 6.1. NO OTHER CHANGES. Except as otherwise expressly provided
by this Agreement, all of the terms, conditions and provisions of the Credit
Agreement and each of the other Loan Documents, and all of the rights and
remedies of the Lenders, the Issuing Lender and the Agents thereunder, shall
remain unaltered.

         SECTION 6.2. REAFFIRMATIONS, RATIFICATIONS AND RELATED MATTERS. In
order to induce Required Lenders to execute and deliver this Agreement, and by
entering into this Agreement, each of the Principal Companies:

         (a) reaffirms all covenants made by it in each Loan Document to which
it is a party;

<PAGE>
                                      -7-

         (b) ratifies and reaffirms (i) all of its payment and performance
Obligations, contingent or otherwise, and (ii) each grant of security interests
and Liens in favor of the Lenders and Agents under each of the Loan Documents to
which it is a party;

         (c) agrees and acknowledges that such ratification and reaffirmation is
not a condition to the continuing validity and binding effect of any of the Loan
Documents;

         (d) agrees and acknowledges that it does not have any grounds to
challenge the effectiveness, genuineness, validity, collectibility or
enforceability of the Credit Agreement or any of the other Loan Documents, any
of the terms or conditions thereof or thereunder, or any of the security
interests or Liens in favor of the Lenders and Agents with respect to the
Collateral; and

         (e) agrees and acknowledges that it does not possess, and hereby
waives, discharges and holds harmless each of the Lenders and Agents from and
against, and agrees not to allege or pursue, any action, cause of action, suit,
debt, claim, counterclaim, cross-claim, defense, offset, demand or other right
of action whatsoever, whether in law, equity or otherwise, against any of the
Lenders or Agents by reason of any matter or cause whatsoever, with respect to
any events or omissions occurring or arising at any time on or prior to the date
hereof and relating to the Credit Agreement or any of the other Loan Documents.

         SECTION 6.3. OTHER PROVISIONS. This Agreement is the only agreement
among the Principal Companies, the Lenders and Agents with respect to the
amendment arrangements covered by this Agreement and supersedes all (if any)
prior term sheets, letters of intent and other communications (whether written
or oral) with respect to the subject matter hereof. This Agreement is a Loan
Document for all purposes of the Credit Agreement and each of the other Loan
Documents. This Agreement and the rights and obligations hereunder of each of
the parties hereto shall in all respects be construed in accordance with and
governed by the laws of The Commonwealth of Massachusetts. This Agreement may be
executed in any number of counterparts and by different parties hereto in
separate counterparts, but all of such counterparts shall together constitute
but one and the same agreement. In making proof of this Agreement, it shall not
be necessary to produce or account for more than one counterpart hereof signed
by each of the parties hereto.

         SECTION 6.4. WAIVER OF TRIAL BY JURY. THE PARTIES HERETO EACH HEREBY
WAIVE THEIR RESPECTIVE RIGHTS TO A TRIAL BY JURY OF ANY CLAIM OR CAUSE OF ACTION
BASED UPON OR ARISING OUT OF OR RELATED TO THIS AGREEMENT. IN ANY ACTION,
PROCEEDING OR OTHER LITIGATION OF ANY TYPE BROUGHT BY ANY

<PAGE>
                                      -8-

OF THE PARTIES AGAINST ANY OTHER PARTY OR PARTIES, WHETHER WITH RESPECT TO
CONTRACT CLAIMS, TORT CLAIMS, OR OTHERWISE, THE PARTIES HERETO EACH HEREBY AGREE
THAT ANY SUCH CLAIM OR CAUSE OF ACTION SHALL BE TRIED BY A COURT TRIAL WITHOUT A
JURY. WITHOUT LIMITING THE FOREGOING, THE PARTIES FURTHER HEREBY AGREE THAT
THEIR RESPECTIVE RIGHTS TO A TRIAL BY JURY ARE WAIVED BY OPERATION OF THIS
SECTION 6.4 AS TO ANY ACTION, COUNTERCLAIM OR OTHER PROCEEDING WHICH SEEKS, IN
WHOLE OR IN PART, TO CHALLENGE THE VALIDITY OR ENFORCEABILITY OF THIS AGREEMENT
OR ANY PROVISION HEREOF. THIS WAIVER SHALL APPLY TO ANY SUBSEQUENT AMENDMENTS,
RENEWALS, SUPPLEMENTS OR MODIFICATIONS TO THIS AGREEMENT.

         SECTION 6.5. TIME OF ESSENCE OF THIS AGREEMENT; ETC. The parties hereto
hereby acknowledge that time is of the essence of this Agreement. This Agreement
shall be null and void for all purposes unless the Administrative Agent shall
receive from the Principal Companies, not later than the Administrative Agent's
close of business in Boston, Massachusetts on February 14, 2003, ten (10) signed
originals of this Agreement duly and properly executed and delivered by each of
the Principal Companies.

         SECTION 6.6. DELIVERY BY TELECOPIER. Delivery of the signature pages to
this Agreement by telecopier shall be as effective as delivery of manually
executed counterparts of this Agreement.

            [THE REMAINDER OF THIS PAGE IS INTENTIONALLY LEFT BLANK]

                          ***SIGNATURE PAGES FOLLOW***

<PAGE>
                                      -9-

         IN WITNESS WHEREOF, the parties hereto have caused this AMENDMENT
AGREEMENT to be executed and delivered by their respective authorized officers
under seal as of the date first above written.

                                      THE BORROWER:

                                      REGENT BROADCASTING, INC.,
                                      as the Borrower

                                      By: /s/Robert E. Allen
                                          Name: Robert E. Allen
                                          Title: V.P. Finance & Accounting

                                      THE PARENT COMPANY:

                                      REGENT COMMUNICATIONS, INC.,
                                      as the Parent Company and a Guarantor

                                      By: /s/ Robert E. Allen
                                          Name: Robert E. Allen
                                          Title: V.P. Finance & Accounting

      SIGNATURE PAGE TO AMENDMENT AGREEMENT, DATED AS OF FEBRUARY 14, 2003

                          ***SIGNATURE PAGES FOLLOW***

<PAGE>
                                      -10-

                               THE ADMINISTRATIVE AGENT AND A LENDER:

                               FLEET NATIONAL BANK, as the   Administrative
                               Agent, the Issuing Lender and a   Lender

                               By: /s/ Andre J. Paquette
                                   Name:  Andre J. Paquette
                                   Title:    Vice President

      SIGNATURE PAGE TO AMENDMENT AGREEMENT, DATED AS OF FEBRUARY 14, 2003

                          ***SIGNATURE PAGES FOLLOW***

<PAGE>
                                      -11-

                                            THE SYNDICATION AGENT AND A LENDER:

                                            GENERAL ELECTRIC CAPITAL
                                            CORPORATION, as the
                                            Syndication Agent and a Lender

                                            By: /s/ Stephen W. Hipp
                                                 Name:  Stephen W. Hipp
                                                 Title: Authorized Signatory

      SIGNATURE PAGE TO AMENDMENT AGREEMENT, DATED AS OF FEBRUARY 14, 2003

                          ***SIGNATURE PAGES FOLLOW***

<PAGE>
                                      -12-

                                      THE DOCUMENTATION AGENT AND A LENDER:

                                      DRESDNER BANK AG, NEW YORK
                                      AND GRAND CAYMAN BRANCHES,
                                      as the Documentation Agent and a Lender

                                      By: /s/ Brian Smith
                                            Name:  Brian Smith
                                            Title: Director

                                      By: /s/ Brian Schneider
                                            Name:  Brian Schneider
                                            Title: Vice President

      SIGNATURE PAGE TO AMENDMENT AGREEMENT, DATED AS OF FEBRUARY 14, 2003

                          ***SIGNATURE PAGES FOLLOW***

<PAGE>
                                      -13-

                                A LENDER:

                                US BANK, NATIONAL ASSOCIATION, as a Lender

                                By: /s/ Christian Jon Bugyis
                                    Name:  Christian J. Bugyis
                                    Title: Vice President

      SIGNATURE PAGE TO AMENDMENT AGREEMENT, DATED AS OF FEBRUARY 14, 2003

                          ***SIGNATURE PAGES FOLLOW***

<PAGE>
                                      -14-

                                     A LENDER:

                                     STANDARD FEDERAL BANK, N.A. as a Lender

                                     By: /s/ Jason W. Bierlein
                                           Name:  Jason W. Bierlein
                                           Title: Assistant Vice President

      SIGNATURE PAGE TO AMENDMENT AGREEMENT, DATED AS OF FEBRUARY 14, 2003

                          ***SIGNATURE PAGE FOLLOWS***

<PAGE>
                                      -15-

                                            A LENDER:

                                            THE CIT GROUP/EQUIPMENT
                                            FINANCING, INC., as a Lender

                                            By: /s/ Steven K. Reedy
                                                Name:   Steven K. Reedy
                                                Title:  Vice President

      SIGNATURE PAGE TO AMENDMENT AGREEMENT, DATED AS OF FEBRUARY 14, 2003

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