Document:

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                                                           EXHIBIT 10.18

                                                                EXECUTION COPY

                        EXECUTIVE EMPLOYMENT AGREEMENT
                        ------------------------------

          THIS EXECUTIVE EMPLOYMENT AGREEMENT is made as of December 31, 1999,
by and between Susana Willingham an individual resident of Indiana

("Willingham"), and Nexstar Broadcasting Group, Inc., a Delaware corporation
  ----------
(the "Company").
      -------

          The Company desires to retain the services of Willingham as its
Corporate News Director, and Willingham desires to be employed by the Company in
such capacity on the terms and conditions set forth in this Agreement.

          On the date of this Agreement, Willingham has become party to (a) the
Amended and Restated Limited Liability Company Agreement dated as of January 5,
1998 (as in effect from time to time, the "LLC Agreement") among the members of
                                           -------------
Nexstar Broadcasting Group, L.L.C., a Delaware limited liability company (the

"LLC"), and (b) the Second Amended and Restated Investors Agreement dated as of
----
January 5, 1998 (as in effect from time to time, the "Investors Agreement")
                                                      -------------------
among the LLC and its members.

          In consideration of the mutual promises set forth herein and the
mutual benefits to be derived from this Agreement, the parties hereto, intending
to be legally bound, hereby agree as follows:

          1.   Positions and Duties.  Subject to the terms and conditions of
               --------------------
this Agreement, during the term of this Agreement the Company will employ
Willingham.  Effective on and as of the date of this Agreement, Willingham will
serve as the Vice President -- Corporate News Director of the Company and the
LLC.  In such position, Willingham will perform such duties of a managerial
nature as are assigned to her from time to time by the Company's chief executive
officer (the "CEO") and/or its Board of Directors (the "Board").  Willingham
              ---                                       -----
will devote her best efforts to her employment with the Company and will devote
substantially all of her business time and attention to the performance of her
duties under this Agreement; provided that the foregoing will not preclude
                             --------
Willingham from devoting reasonable time to the supervision of her personal
investments, civic and charitable affairs, so long as such activities do not
materially interfere with the performance of Willingham's duties hereunder.

          2.   Term of Employment.  Except if terminated earlier as provided
               ------------------
below, the Company's employment of Willingham under this Agreement will continue
until January 1, 2004; provided, however, that the term of employment under this
                       --------  -------
Agreement will be automatically renewed for successive one-year periods unless,
at least ninety (90) days prior to the end of the then current term of
employment under this Agreement, Willingham or the Company gives written notice
to the other of the notifying party's intent not to renew the term of employment
under this Agreement as of the end of the then current term.
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          3.   Termination.  The Company's employment of Willingham under this
               -----------
Agreement will terminate prior to the end of the term specified in Paragraph 2
only under the following circumstances:

          (a)  Death.  Willingham's death, in which case Willingham's employment
               -----
     will terminate on the date of death;

          (b)  Disability.  If, as a result of Willingham's illness, physical or
               ----------
     mental disability or other incapacity resulting in Willingham's inability
     to perform, with or without reasonable accommodation (as defined under the
     Americans with Disabilities Act), Willingham's duties under this Agreement
     for any period of six (6) consecutive months, and within thirty (30) days
     after written notice of termination is given by the Company to Willingham
     (which may occur before or after the end of such six-month period),
     Willingham will not have returned to the performance of Willingham's duties
     hereunder on a full-time basis, the Company may terminate Willingham's
     employment hereunder as of the latest of (i) the expiration of such six-
     month period or (ii) the thirty-first (31st) day following the giving by
     the Company of the written notice of termination;

          (c)  Consolidation, Merger or Comparable Transaction.  In the event
               -----------------------------------------------
     that the LLC consolidates with or merges with and into any other Person,
     effects a share exchange, enters into a comparable capital transaction or
     has any or all of its equity securities sold to one or more third parties,
     in each case such that the beneficial owners of a majority of the voting
     power represented by the securities of the LLC have changed (treating any
     Person and the affiliates of such Person as being one and the same Person),
     or if the LLC sells all or substantially all of its consolidated assets,
     then Willingham's employment may, by written notice of termination, be
     terminated by the Company or Willingham simultaneously with the
     consummation of such consolidation, merger, share exchange, asset sale,
     stock sale or comparable transaction;

          (d)  Termination by the Company for Cause.  The Company may terminate
               ------------------------------------
     Willingham's employment at any time for Cause, such termination to be
     effective as of the date stated in a written notice of termination
     delivered by a majority of the Board to Willingham.  Any termination under
     this Paragraph 3(d) will not also be deemed to be a termination under
     Paragraph 3(e).  For the purposes of this Agreement, "Cause" is defined to
                                                           -----
     mean any of the following activities by Willingham: (i) the conviction of
     Willingham for a felony or a crime involving moral turpitude or the
     commission of any act involving dishonesty, disloyalty or fraud with
     respect to the Company or any of its subsidiaries or affiliates, in each
     instance which has caused or is reasonably likely to cause material harm to
     the Company; (ii) substantial repeated failure to perform duties which are
     reasonably directed by the Board and which are consistent with the terms of
     this Agreement and the office specified in Paragraph 1, (iii) gross
     negligence or willful misconduct with respect to

                                       2
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     the Company or any of its subsidiaries or affiliates, in each instance
     which has caused or is reasonably likely to cause material harm to the
     Company; or (iv) any other material breach of a material provision of this
     Agreement, the Investors Agreement or the LLC Agreement which is not cured
     within thirty (30) days after written notice thereof to Willingham;

          (e)  Termination by the Company Other Than for Cause.  The Company may
               -----------------------------------------------
     terminate Willingham's employment for any reason or for no reason upon
     thirty (30) days prior written notice to Willingham, subject to payment of
     the termination payments specified in Paragraph 6.  Such termination will
     be effective as of the date stated in a written notice of termination
     delivered by a majority of the Board to Willingham;

          (f)  Termination by Willingham With Good Reason.  Willingham may
               ------------------------------------------
     terminate her employment hereunder at any time for Good Reason, such
     termination to be effective as of the date stated in a written notice of
     termination delivered by Willingham to the Company.  For purposes of this
     Agreement, "Good Reason" will mean (i) a material reduction in the duties
                 -----------
     or position of Willingham, or (ii) a material breach by the Company or the
     LLC of a material provision of this Agreement, the Investors Agreement or
     the LLC Agreement which adversely affects Willingham and which has not been
     cured by the breaching entity within thirty (30) days after Willingham
     gives written notice of noncompliance to such entity;

          (g)  Termination by Willingham Without Good Reason.  Willingham may
               ---------------------------------------------
     terminate her employment hereunder for any reason or for no reason upon
     thirty (30) days prior written notice to the Company.  Such termination
     will be effective as of the date stated in a written notice of termination
     delivered by Willingham to the Company; or

          (h)  Retirement.  The Company may require Willingham to retire upon
               ----------
     attaining age 65 if such action does not violate applicable law; such
     action will not be treated as a termination by the Company for purposes of
     Paragraph 3(d) or 3(e).

In no event will the termination of Willingham's employment affect the rights
and obligations of the parties set forth in this Agreement, except as expressly
set forth herein. Any termination of Willingham's employment pursuant to this
Paragraph 3 will be deemed to include a resignation by Willingham of all
positions with the Company, the LLC and each of their respective subsidiaries
and affiliates.

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          4.   Compensation.
               -------------

          (a)  Base Salary.  During the term of this Agreement, Willingham will
               -----------
     be entitled to receive an annual base salary ("Base Salary") at the rate
                                                    -----------
     specified below:

<TABLE>
<CAPTION>

        Period                                                           Base Salary
        ------                                                           ------------
        <S>                                                                    <C>

          From the date of this Agreement through December 31, 1999...... $105,000

          From January 1, 2000 through December 31, 2000................. $110,000

          From January 1, 2001 through December 31, 2001................. $115,000

          From January 1, 2002 through December 31, 2002................. $120,000

          After December 31, 2002........................................ $125,000
</TABLE>

          (b)  Bonus.  After the end of each Company fiscal year during the term
               -----
     of this Agreement, Willingham will be entitled to receive an annual bonus
     (the "Bonus"), in an amount, if any, in an amount as the CEO may determine
           -----
     is appropriate in his or her sole discretion.

          (c)  Payment.  Willingham's Base Salary will be paid ratably during
               -------
     each 12-month period under this Agreement on a basis consistent with other
     Company executives. The Bonus provided in Paragraph 4(b), if granted by the
     CEO, will be paid in a single payment within thirty (30) days after the
     independent certified public accountants regularly employed by the Company
     have made available to the Company the audited financial statements for the
     appropriate fiscal year.  All payments under this Agreement will be subject
     to withholding or deduction by reason of the Federal Insurance Contribution
     Act, Federal income tax, state income tax and all other applicable laws and
     regulations.

          5.   Fringe Benefits.  During the term of this Agreement, Willingham
               ---------------
will be entitled to receive, at the Company's expense, medical, other insurance
coverage, and paid vacation as described in the Company's employee handbook.
During the term of this Agreement, the Company will reimburse Willingham for all
approved business expenses which Willingham incurs on the Company's behalf, upon
presentation of appropriate documentation.

          6.   Termination Payments.  Willingham (or Willingham's estate
               --------------------
pursuant to Paragraph 6(a)) will be entitled to receive the following payments
upon termination of Willingham's employment hereunder:

                                       4
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          (a)  In the event of the termination of Willingham's employment
     pursuant to any of the following provisions:

               Paragraph 3(a)       [Death]
               Paragraph 3(b)       [Disability]
               Paragraph 3(d)       [By the Company For Cause]
               Paragraph 3(g)       [By Willingham Without Good Reason]
               Paragraph 3(h)       [Retirement]

     the Company will pay to Willingham (or Willingham's estate, as the case may
     be) as soon as practicable following such termination all accrued and
     unpaid Base Salary as of the date of termination as provided in Paragraph 4
     and an amount (calculated at the rate of the Base Salary in effect on such
     date) in respect of all accrued but unutilized vacation time as of such
     date.

          (b)  In the event of termination of Willingham's employment pursuant
     to any of the following provisions:

               Paragraph 3(c)       [Consolidation, Merger or Comparable
                                    Transaction]
               Paragraph 3(e)       [By the Company Other Than For Cause]
               Paragraph 3(f)       [Good Reason]

     the Company will pay Willingham the amounts described in Paragraph 6(a) and
     will continue to pay the Base Salary which otherwise would be due to
     Willingham for a period six (6) months after the date of such termination.
     For such period, the Company will also continue to provide coverage (at the
     Company's expense) under any medical insurance plan available pursuant to
     Paragraph 5 in which Willingham was a participant at the time of the
     termination of Willingham's employment under this Agreement (or such other
     medical coverage as the Company provides to its employees generally from
     time to time during such period).

Without limiting the remedies available to the Company for breach by Willingham
of Paragraph 7 if Willingham violates the provisions of Paragraph 7 after the
termination of Willingham's employment with the Company in a manner reasonably
determined by the Board to be injurious to the Company, then Willingham will
forfeit any payments under this Paragraph 6 which are unpaid at the time such
violation occurs.

                                       5
<PAGE>

          7.   Covenant Not to Compete and Non-Disclosure.
               ------------------------------------------

          (a)  During the term of Willingham's employment pursuant to this
     Agreement and for a period of one (1) year thereafter,  Willingham
     covenants and agrees that Willingham will not within any DMA (as determined
     from time to time by the A. C. Nielsen Company) in which the Company
     operates a television broadcast facility on the date of termination (or in
     which the Company has agreed to acquire, or the Board has approved pursuing
     (and the Company has not abandoned) the acquisition of, a television
     broadcast facility on or prior to the date of termination) whether directly
     or indirectly, with or without compensation, (x) enter into or engage in
     the business of television broadcasting, or (y) be employed by, act as a
     consultant to, act as a director of or own beneficially five percent (5%)
     or more of any class of equity or debt securities of any corporation or
     other commercial enterprise in the business of television broadcasting, or
     (z) solicit or do any business with respect to television broadcasting with
     any existing customers of the Company.  During the one (1) year after
     Willingham's employment with the Company terminates, neither Willingham nor
     any of Willingham's affiliates will hire, solicit, employ or contract with
     respect to employment any officer or employee of the Company.  For purposes
     of this Paragraph 7, the term "Company" will include the Company, the LLC
                                    -------
     and each subsidiary or other affiliate of any of them; provided that the
                                                            --------
     term "Company" will not include any affiliates of the Company who are
     affiliates of the Company solely by reason of being affiliates of ABRY
     Broadcast Partners II, L.P. ("ABRY II") or ABRY Broadcast Partners III,
                                   -------
     L.P. (together with ABRY II, "ABRY").
                                   ----

          (b)  Willingham agrees to disclose promptly to the Company and does
     assign and agree to assign to the Company, free from any obligation to
     Willingham, all Willingham's right, title and interest in and to any and
     all ideas, concepts, processes, improvements and inventions made,
     conceived, written, acquired, disclosed or developed by Willingham, solely
     or in concert with others, during the term of Willingham's employment by
     the Company, which relate to the business, activities or facilities of the
     Company, or resulting from or suggested by any work Willingham may do for
     the Company or at its request. Willingham further agrees to deliver to the
     Company any and all drawings, notes, photographs, copies, outlines,
     specifications, memoranda and data relating to such ideas, concepts,
     processes, improvements and inventions, to cooperate fully during
     Willingham's employment and thereafter in the securing of copyright,
     trademark or patent protection or other similar rights in the United States
     and foreign countries, and to give evidence and testimony and to execute
     and deliver to the Company all documents requested by it in connection
     therewith.

          (c)  Except as expressly set forth below, Willingham agrees, whether
     during Willingham's employment pursuant to this Agreement or thereafter,
     except as authorized or directed by the Company in writing or pursuant to
     the normal exercise of Willingham's responsibilities hereunder, not to
     disclose to others, use for Willingham's benefit, copy or make notes of any
     confidential knowledge or trade secrets or any other knowledge or

                                       6
<PAGE>

     information of or relating to the business, activities or facilities of the
     Company or any of its affiliates which may come to Willingham's knowledge
     during Willingham's employment pursuant to this Agreement or thereafter.
     Willingham will not be bound to this obligation of confidentiality and
     nondisclosure if:

               (i)    the knowledge or information will become part of the
          public domain by publication or otherwise through no fault of
          Willingham;

               (ii)   the knowledge or information is disclosed to the recipient
          by a third party and Willingham reasonably believes such third party
          is in lawful possession of the knowledge or information and has the
          lawful right to make disclosure thereof; or

               (iii)  Willingham is required to disclose such information
          pursuant to applicable law or by a court of competent jurisdiction.

          (d)  Upon termination of employment pursuant to this Agreement,
     Willingham will deliver to the Company all records, notes, data, memoranda,
     photographs, models and equipment of any nature which are in Willingham's
     possession or control and which are the property of the Company.

          (e)  The parties understand and agree that the remedies at law for
     breach of the covenants in this Paragraph 7 would be inadequate and that
     the Company will be entitled to injunctive or such other equitable relief
     as a court may deem appropriate for any breach of these covenants. If any
     of these covenants will at any time be adjudged invalid to any extent by
     any court of competent jurisdiction, such covenant will be deemed modified
     to the extent necessary to render it enforceable.

          8.   Equity Interests.
               ----------------

          (a)  Contemporaneous with the execution and delivery of this
     Agreement, Willingham has voluntarily elected to purchase 3,110 Class C-2
     Interests of the LLC (the "Class C-2 Interests") at $.3856 per interest
                                -------------------
     (for an aggregate purchase price of $1,199.22 for such Class C Interests).

          (b)  If Willingham's employment with the Company is terminated, except
as contemplated by Paragraph 3(a) [Death] or Paragraph 3(c) [Consolidation,
Merger or Comparable Transaction], then the LLC will have the right, exercisable
at any time within ninety (90) days after the date of termination of employment,
to repurchase for cash the percentage of the aggregate amount of all of
Willingham's Class C-2 Interests at Willingham's original purchase price for
such Class C-2 Interests, in accordance with the following schedule:

                                       7
<PAGE>

                                                        Percentage of
                                                    Interests Which May be
                                                          Repurchased
                                                  ----------------------------

     Termination Before January 1, 2000                     100%

     Termination On or After January 1, 2000
     But Before January 1, 2001                              90%

     Termination On or After  January 1, 2001
     But Before January 1, 2002                              70%

     Termination On or After January 1, 2002
     But Before January 1, 2003                              50%

     Termination On or After January 1, 2003
     But Before January 1, 2004                              25%

     Termination On or After January 1, 2004                  0%

     If Willingham's employment is terminated pursuant to Paragraph 3(a) or
     3(c), then the LLC's right to purchase Willingham's Class C-2 Interests
     pursuant to this Paragraph 8(b) will automatically terminate.

          (c)   The closing for any purchase and sale of Class C-2 Interests
     pursuant to Paragraph 8(b) will be at the principal executive offices of
     the Company at a mutually acceptable time, but in no event more than thirty
     (30) days after the date an option to purchase is exercised; provided that
                                                                  --------
     to the extent such purchase is prohibited under the Company's, the LLC's or
     any of their respective subsidiaries' debt financing agreements, such
     purchase will occur not more than thirty (30) days after the date on which
     all such prohibitions will have been waived or removed.

          (d)   Appropriate legends will be placed on any certificate
     representing any of Willingham's Class C-2 Interests referencing the
     rights, restrictions and obligations of the LLC with regard to such
     Interests.

          (e)   For purposes of this Agreement, references to Willingham's Class
     C-2 Interests will be deemed to include any Interests of such type directly
     or indirectly transferred by Willingham to any of Willingham's Permitted
     Transferees (as that term is defined in the Investors Agreement).

                                       8
<PAGE>

          9.   Entire Agreement.  This instrument, the LLC Agreement and the
               ----------------
Investors Agreement embody the entire agreement between the parties hereto with
respect to Willingham's employment with the Company, and there have been and are
no other agreements, representations or warranties between the parties regarding
such matters.

          10.  No Assignment.  This Agreement will not be assigned by Willingham
               -------------
without the prior written consent of the Company and any attempted assignment
without such prior written consent will be null and void and without legal
effect; provided that in the case of Willingham's death or disability this
        --------
Agreement may be enforced by Willingham's executors, personal representatives or
guardians, to the extent applicable.  This Agreement will not be assigned by the
Company without the prior written consent of Willingham except to any other
person or entity which may acquire or conduct the business of the Company, the
LLC and/or their respective subsidiaries.

          11.  Notices.  All notices, requests, demands and other communications
               -------
hereunder will be deemed to have been duly given when (i) delivered by hand or
if mailed, by certified or registered mail, with postage prepaid; (ii) hand
delivered; or (iii) sent overnight mail or overnight courier:

          (a)  If to Willingham, then to Susana Willingham, 5811 South Ernest
     Drive, Terre Haute, IN 47802, or as Willingham may otherwise specify by
     prior written notice to the Company; and

          (b)  If to the Company, then c/o: Nexstar Broadcasting Group, Inc.,
     200 Abington Executive Park, Suite 201, Clarks Summit, PA 18411, Attention:
     Perry A. Sook or as the Company may otherwise specify by prior written
     notice to Willingham.

          12.  Amendment; Modification.  This Agreement will not be amended,
               -----------------------
modified or supplemented other than in a writing signed by the parties hereto.

          13.  Counterparts.  This Agreement may be executed in two or more
               ------------
counterparts, each of which will be deemed an original, but all of which
together will constitute but one and the same instrument.

          14.  Headings.  The headings in the Paragraphs of this Agreement are
               --------
inserted for convenience only and will not constitute a part of this Agreement.

          15.  Severability.  The parties agree that if any provision of this
               ------------
Agreement will under any circumstances be deemed invalid or inoperative, the
Agreement will be construed with the invalid or inoperative provision deleted,
and the rights and obligations of the parties will be construed and enforced
accordingly.

                                       9
<PAGE>

          16.  Governing Law.  This Agreement will be governed by and construed
               -------------
in accordance with the internal law of the State of Delaware without giving
effect to any choice of law or conflict provision or rule that would cause the
laws of any jurisdiction other than the State of Delaware to be applied.

          17.  Legal Fees.  In the event of any litigated dispute between or
               ----------
among any of the parties to this Agreement, the reasonable legal fees and
expenses of the party successful in such dispute (whether by way of a decision
by a court or other tribunal) will be paid promptly by the unsuccessful party
upon presentation by the successful party of an invoice therefor.

          18.  Representations. Willingham represents and warrants to the
               ---------------
Company that Willingham is not a party to or bound by any employment agreement,
noncompete agreement or confidentiality agreement with any other person or
entity.

          19.  Strict Construction.  The parties to this Agreement have
               -------------------
participated jointly in the negotiation and drafting of this Agreement.  In the
event an ambiguity or question of intent or interpretation arises, this
Agreement will be construed as if drafted jointly by the parties, and no
presumption or burden of proof will arise favoring or disfavoring any party by
virtue of the authorship of any of the provisions of this Agreement.

          20.  Binding Arbitration.
               -------------------

          (a)  Generally.  The arbitration procedures described in this
               ---------
     Paragraph 20 will be the sole and exclusive method of resolving and
     remedying claims under this Agreement ("Disputes"); provided that nothing
                                             ---------   --------
     in this Paragraph 20 will prohibit a Person from instituting litigation to
     enforce any Final Arbitration Award. Except as otherwise provided in the
     Commercial Arbitration Rules of the American Arbitration Association as in
     effect from time to time (the "AAA Rules"), the arbitration procedures
                                    ---------
     described in this Paragraph 20 and any Final Arbitration Award will be
     governed by, and will be enforceable pursuant to, the Uniform Arbitration
     Act as in effect in the Commonwealth of Massachusetts from time to time.
     "Person" for the purposes of this Agreement means an individual, a
      ------
     partnership, a limited liability company, a corporation, an association, a
     joint stock company, a trust, a joint venture, an unincorporated
     organization or any governmental entity.

           (b) Notice of Arbitration.  If a Person asserts that there exists a
               ---------------------
     Dispute, then such Person (the "Disputing Person") will give each other
                                     ----------------
     Person involved in such Dispute a written notice setting forth the nature
     of the asserted Dispute.  If all such Persons do not resolve any such
     asserted Dispute prior to the 10th business day after such notice is given,
     then any of them may commence arbitration pursuant to this Paragraph 20 by
     giving each other Person involved in such Dispute a written notice to that
     effect (an "Arbitration Notice"), setting forth any matters which are
                 ------------------
     required to be set forth therein in accordance with the AAA Rules.

                                      10
<PAGE>

          (c)   Selection of Arbitrator. The Persons involved in any Dispute
                -----------------------
     will attempt to select a single arbitrator by mutual agreement. If no such
     arbitrator is selected prior to the 10th business day after the related
     Arbitration Notice is given, then an arbitrator which is experienced in
     matters of the type which are the subject matter of the Dispute will be
     selected in accordance with the AAA Rules.

          (d)   Conduct of Arbitration.  The arbitration will be conducted in
                ----------------------
     Boston, Massachusetts under the AAA Rules, as modified by any written
     agreement among the Persons`involved in the Dispute in question.  The
     arbitrator will conduct the arbitration in a manner so that the final
     result, determination, finding, judgment or award determined by the
     arbitrator (the "Final Arbitration Award") is made or rendered as soon as
                      -----------------------
     practicable, and the Persons involved will use reasonable efforts to cause
     a Final Arbitration Award to occur within 90 days after the arbitrator is
     selected.  Any Final Arbitration Award will be final and binding upon all
     Persons and there will be no appeal from or reexamination of any Final
     Arbitration Award, except in the case of fraud, perjury or evident
     partiality or misconduct by the arbitrator prejudicing the rights of such
     Persons or to correct manifest clerical errors.

          (e)  Enforcement.  A Final Arbitration Award may be enforced in any
               -----------
     state or federal court having jurisdiction over the subject matter of the
     related Dispute.

           (f) Expenses.  Each prevailing Person in any arbitration proceeding
               --------
     described in this Paragraph 20 will be entitled to recover from any non-
     prevailing Person(s) its reasonable attorneys' fees and disbursements and
     other out-of-pocket costs in addition to any damages or other remedies
     awarded to such prevailing Person, and the non-prevailing Person(s) also
     will be required to pay all other costs and expenses associated with the
     arbitration; provided that (i) if an arbitrator is unable to determine that
                  --------
     one or more Persons are prevailing Person(s) in any such arbitration
     proceeding, then such costs and expenses will be equitably allocated by
     such arbitrator upon the basis of the outcome of such arbitration
     proceeding, and (ii) if such arbitrator is unable to allocate such costs
     and expenses in such a manner, then the costs and expenses of such
     arbitration will be paid one-half by the Company, and the LLC, on the one
     hand, and one-half by Willingham, on the other hand, and each Person
     involved in such arbitration will pay the out-of-pocket expenses incurred
     by it.  As part of any Final Arbitration Award, the arbitrator may
     designate the prevailing Person(s) for purposes of this Paragraph 20.

                             *   *   *   *   *   *

                                      11
<PAGE>

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

                                        /s/ Susana Willingham
                                        ---------------------------------------
                                        Susana Willingham

                                        NEXSTAR BROADCASTING GROUP, INC.

                                            /s/ Perry A Sook
                                        By: -----------------------------------

                                             President
                                        Its: -----------------------------------

ACCEPTED AND AGREED:

NEXSTAR BROADCASTING GROUP, L.L.C.

    /s/ Perry A. Sook
By: ---------------------------------
       Perry A. Sook, President
<PAGE>

                                                                         ANNEX A

                                                               December 31, 1999

                      ELECTION TO INCLUDE STOCK IN GROSS
                    INCOME PURSUANT TO SECTION 83(b) OF THE
                             INTERNAL REVENUE CODE

          The undersigned purchased Class C-2 Interests (the "Interests"), of
                                                              ---------
Nexstar Broadcasting Group, L.L.C., a Delaware limited liability company (the

"Company"), on the date hereof.  Under certain circumstances, the Company has
--------
the right to repurchase the Interests at cost from the undersigned (or from the
holder of the Interests, if different from the undersigned) should the
undersigned cease to be employed by Nexstar Broadcasting Group, Inc. (the

"Employer"). Hence, the Interests are subject to a substantial risk of
---------
forfeiture and are nontransferable.  The undersigned desires to make an election
to have the Interests taxed under the provision of Code (S)83(b) at the time the
undersigned purchased the Interests.

          Therefore, pursuant to Code (S)83(b) and Treasury Regulation (S)1.83-2
promulgated thereunder, the undersigned hereby makes an election, with respect
to the Interests (described below), to report as taxable income for calendar
year 1999 the excess (if any) of the Interests' fair market value on the date
hereof over the purchase price thereof.

          The following information is supplied in accordance with Treasury
Regulation (S)1.83-2(e):

1.        The name, address and social security number of the undersigned:

                 Susana Willingham
                 5811 South Ernest Drive
                 Terre Haute, IN 47802
                 SSN:  ###-##-####

2.        A description of the property with respect to which the election is
     being made: 3,110 of the Company's Class C-2 Interests.

3.        The date on which the property was transferred: the date hereof. The
     taxable year for which such election is made: calendar 1999.

4.        The restrictions to which the property is subject: Until January 1,
     2004, if the undersigned ceases to be employed by the Employer (except in
     certain circumstances) a

                                      A-1
<PAGE>

     certain portion of the Interests will be subject to repurchase by the
     Company at cost. If the undersigned ceases to be employed by the Employer
     (except for certain circumstances) prior to January 1, 2000, then all of
     the Interests will be subject to repurchase by the Company at cost; if such
     cessation of the undersigned's employment occurs prior to January 1, 2004,
     then not less than 25% of the Interests will be subject to repurchase by
     the Company at cost.

5.        The fair market value on the date hereof of the property with respect
     to which the election is being made, determined without regard to any lapse
     restrictions: $.3856 per Interest.

6.        The amount paid for such property:  $.3856 per Interest.

          A copy of this election has been furnished to the Secretary of the
Company pursuant to Treasury Regulations (S)1.83-2(e)(7).

                                         /s/ Susana Willingham
                                         -----------------------------
                                         Susana Willingham

                                      A-2<PAGE>

                                                                   EXHIBIT 10.19

                                                                  EXECUTION COPY

                        EXECUTIVE EMPLOYMENT AGREEMENT
                        ------------------------------

          THIS EXECUTIVE EMPLOYMENT AGREEMENT is made as of December 31, 1999 by
and between Rick Stolpe, an individual resident of Pennsylvania ("Stolpe"), and
                                                                  ------
Nexstar Broadcasting Group, Inc., a Delaware corporation (the "Company").
                                                               -------

          The Company desires to retain the services of Stolpe as its Vice
President -- Director of Engineering, and Stolpe desires to be employed by the
Company in such capacity on the terms and conditions set forth in this
Agreement.

          On the date of this Agreement, Stolpe has become party to (a) the
Amended and Restated Limited Liability Company Agreement dated as of January 5,
1998 (as in effect from time to time, the "LLC Agreement") among the members of
                                           -------------
Nexstar Broadcasting Group, L.L.C., a Delaware limited liability company (the

"LLC"), and (b) the Second Amended and Restated Investors Agreement dated as of
 ---
January 5, 1998 (as in effect from time to time, the "Investors Agreement")
                                                      -------------------
among the LLC and its members.

          In consideration of the mutual promises set forth herein and the
mutual benefits to be derived from this Agreement, the parties hereto, intending
to be legally bound, hereby agree as follows:

          1.   Positions and Duties.  Subject to the terms and conditions of
               --------------------
this Agreement, during the term of this Agreement the Company will employ
Stolpe.  Effective on and as of the date of this Agreement, Stolpe will serve as
Vice President -- Director of Engineering of the Company and the LLC.  In such
position, Stolpe will perform such duties of a managerial nature as are assigned
to him from time to time by the Company's chief executive officer (the "CEO")
                                                                        ---
and/or its Board of Directors (the "Board").  Stolpe will devote his best
                                    -----
efforts to his employment with the Company and will devote substantially all of
his business time and attention to the performance of his duties under this
Agreement; provided that the foregoing will not preclude Stolpe from devoting
           --------
reasonable time to the supervision of his personal investments, civic and
charitable affairs, so long as such activities do not materially interfere with
the performance of Stolpe's duties hereunder.

          2.   Term of Employment.  Except if terminated earlier as provided
               ------------------
below, the Company's employment of Stolpe under this Agreement will continue
until January 1, 2004; provided, however, that the term of employment under this
                       --------  -------
Agreement will be automatically renewed for successive one-year periods unless,
at least ninety (90) days prior to the end of the then current term of
employment under this Agreement, Stolpe or the Company gives written notice to
the other of the notifying party's intent not to renew the term of employment
under this Agreement as of the end of the then current term.
<PAGE>

          3.   Termination.  The Company's employment of Stolpe under this
               -----------
Agreement will terminate prior to the end of the term specified in Paragraph 2
only under the following circumstances:

          (a)  Death.  Stolpe's death, in which case Stolpe's employment will
               -----
     terminate on the date of death;

          (b)  Disability.  If, as a result of Stolpe's illness, physical or
               ----------
     mental disability or other incapacity resulting in Stolpe's inability to
     perform, with or without reasonable accommodation (as defined under the
     Americans with Disabilities Act), Stolpe's duties under this Agreement for
     any period of six (6) consecutive months, and within thirty (30) days after
     written notice of termination is given by the Company to Stolpe (which may
     occur before or after the end of such six-month period), Stolpe will not
     have returned to the performance of Stolpe's duties hereunder on a full-
     time basis, the Company may terminate Stolpe's employment hereunder as of
     the latest of (i) the expiration of such six-month period or (ii) the
     thirty-first (31st) day following the giving by the Company of the written
     notice of termination;

          (c)  Consolidation, Merger or Comparable Transaction.  In the event
               -----------------------------------------------
     that the LLC consolidates with or merges with and into any other Person,
     effects a share exchange, enters into a comparable capital transaction or
     has any or all of its equity securities sold to one or more third parties,
     in each case such that the beneficial owners of a majority of the voting
     power represented by the securities of the LLC have changed (treating any
     Person and the affiliates of such Person as being one and the same Person),
     or if the LLC sells all or substantially all of its consolidated assets,
     then Stolpe's employment may, by written notice of termination, be
     terminated by the Company or Stolpe simultaneously with the consummation of
     such consolidation, merger, share exchange, asset sale, stock sale or
     comparable transaction;

          (d)  Termination by the Company for Cause.  The Company may terminate
               ------------------------------------
     Stolpe's employment at any time for Cause, such termination to be effective
     as of the date stated in a written notice of termination delivered by a
     majority of the Board to Stolpe.  Any termination under this Paragraph 3(d)
     will not also be deemed to be a termination under Paragraph 3(e).  For the
     purposes of this Agreement, "Cause" is defined to mean any of the following
                                  -----
     activities by Stolpe: (i) the conviction of Stolpe for a felony or a crime
     involving moral turpitude or the commission of any act involving
     dishonesty, disloyalty or fraud with respect to the Company or any of its
     subsidiaries

                                       2
<PAGE>

     or affiliates, in each instance which has caused or is reasonably likely to
     cause material harm to the Company; (ii) substantial repeated failure to
     perform duties which are reasonably directed by the Board and which are
     consistent with the terms of this Agreement and the office specified in
     Paragraph 1, (iii) gross negligence or willful misconduct with respect to
     the Company or any of its subsidiaries or affiliates, in each instance
     which has caused or is reasonably likely to cause material harm to the
     Company; or (iv) any other material breach of a material provision of this
     Agreement, the Investors Agreement or the LLC Agreement which is not cured
     within thirty (30) days after written notice thereof to Stolpe;

          (e)  Termination by the Company Other Than for Cause. The Company
               -----------------------------------------------
     may terminate Stolpe's employment for any reason or for no reason upon
     thirty (30) days prior written notice to Stolpe, subject to payment of the
     termination payments specified in Paragraph 6. Such termination will be
     effective as of the date stated in a written notice of termination
     delivered by a majority of the Board to Stolpe;

          (f)  Termination by Stolpe With Good Reason.  Stolpe may terminate his
               --------------------------------------
     employment hereunder at any time for Good Reason, such termination to be
     effective as of the date stated in a written notice of termination
     delivered by Stolpe to the Company.  For purposes of this Agreement, "Good
                                                                           ----
     Reason" will mean (i) a material reduction in the duties or position of
     ------
     Stolpe, or (ii) a material breach by the Company or the LLC of a material
     provision of this Agreement, the Investors Agreement or the LLC Agreement
     which adversely affects Stolpe and which has not been cured by the
     breaching entity within thirty (30) days after Stolpe gives written notice
     of noncompliance to such entity;

          (g)  Termination by Stolpe Without Good Reason.  Stolpe may terminate
               -----------------------------------------
     his employment hereunder for any reason or for no reason upon thirty (30)
     days prior written notice to the Company.  Such termination will be
     effective as of the date stated in a written notice of termination
     delivered by Stolpe to the Company; or

          (h)  Retirement.  The Company may require Stolpe to retire upon
               ----------
     attaining age 65 if such action does not violate applicable law; such
     action will not be treated as a termination by the Company for purposes of
     Paragraph 3(d) or 3(e).

In no event will the termination of Stolpe's employment affect the rights and
obligations of the parties set forth in this Agreement, except as expressly set
forth herein.  Any termination of Stolpe's employment pursuant to this Paragraph
3 will be deemed to include a resignation by Stolpe of all positions with the
Company, the LLC and each of their respective subsidiaries and affiliates.

                                       3
<PAGE>

          4.    Compensation.
                -------------

          (a)   Base Salary. During the term of this Agreement, Stolpe will be
                -----------
entitled to receive an annual base salary ("Base Salary") at the rate specified
                                            -----------
below:

<TABLE>
<CAPTION>
                 Period                                                Base Salary
                 ------                                                -----------
          <S>                                                          <C>
          From the date of this Agreement through December 31, 1999....... $57,500

          From January 1, 2000 through December 31, 2000.................. $65,000

          From January 1, 2001 through December 31, 2001.................. $70,000

          From January 1, 2002 through December 31, 2002.................. $75,000

          After December 31, 2002......................................... $80,000
</TABLE>
          (b)   Bonus.  After the end of each Company fiscal year during the
     term of this Agreement, Stolpe will be entitled to receive an annual bonus
     (the "Bonus"), in an amount, if any, up to the amount specified below (or
           -----
     in excess of such amount of, as the CEO may determine is appropriate in his
     or her sole discretion), pro-rated for any partial fiscal year during which
     Stolpe is employed by the Company pursuant to this Agreement, to be
     determined by the CEO based on, among other things, whether the Station
     achieved the budgeted revenue and profit goals established for the Station
     by the CEO for such fiscal year:

          After the 1999 fiscal year........$10,000

          After the 2000 fiscal year........$10,000

          After the 2001 fiscal year........$10,000

          After the 2002 fiscal year........$10,000

          After the 2003 fiscal year and
            each subsequent fiscal year.....$10,000

          (c)  Payment.  Stolpe's Base Salary will be paid ratably during each
               -------
     12-month period under this Agreement on a basis consistent with other
     Company executives.  The Bonus provided in Paragraph 4(b), if granted by
     the CEO, will be paid in a single payment within thirty (30) days after the
     independent certified public accountants regularly employed by the Company
     have made available to the Company the audited financial statements for the
     appropriate fiscal year.  All payments under this Agreement will be subject
     to

                                       4
<PAGE>

     withholding or deduction by reason of the Federal Insurance Contribution
     Act, Federal income tax, state income tax and all other applicable laws and
     regulations.

          5.   Fringe Benefits.  During the term of this Agreement, Stolpe will
               ---------------
be entitled to receive, at the Company's expense, medical, other insurance
coverage, and paid vacation as described in the Company's employee handbook.
During the term of this Agreement, the Company will reimburse Stolpe for all
approved business expenses which Stolpe incurs on the Company's behalf, upon
presentation of appropriate documentation.

          6.   Termination Payments.  Stolpe (or Stolpe's estate pursuant to
               --------------------
Paragraph 6(a)) will be entitled to receive the following payments upon
termination of Stolpe's employment hereunder:

          (a) In the event of the termination of Stolpe's employment pursuant to
     any of the following provisions:

               Paragraph 3(a)       [Death]
               Paragraph 3(b)       [Disability]
               Paragraph 3(d)       [By the Company For Cause]
               Paragraph 3(g)       [By Stolpe Without Good Reason]
               Paragraph 3(h)       [Retirement]

     the Company will pay to Stolpe (or Stolpe's estate, as the case may be) as
     soon as practicable following such termination all accrued and unpaid Base
     Salary as of the date of termination as provided in Paragraph 4 and an
     amount (calculated at the rate of the Base Salary in effect on such date)
     in respect of all accrued but unutilized vacation time as of such date.

          (b) In the event of termination of Stolpe's employment pursuant to any
     of the following provisions:

               Paragraph 3(c)       [Consolidation, Merger or Comparable
                                    Transaction]
               Paragraph 3(e)       [By the Company Other Than For Cause]
               Paragraph 3(f)       [Good Reason]

     the Company will pay Stolpe the amounts described in Paragraph 6(a) and
     will continue to pay the Base Salary which otherwise would be due to Stolpe
     for a period six (6) months after the date of such termination. For such
     period, the Company will also continue to provide coverage (at the
     Company's expense) under any medical insurance plan available pursuant to
     Paragraph 5 in which Stolpe was a participant at the time of the
     termination of Stolpe's employment under this Agreement (or such other
     medical coverage as the Company provides to employees of the Station
     generally from time to time during such period).

                                       5
<PAGE>

Without limiting the remedies available to the Company for breach by Stolpe of
Paragraph 7 if Stolpe violates the provisions of Paragraph 7 after the
termination of Stolpe's employment with the Company in a manner reasonably
determined by the Board to be injurious to the Company, then Stolpe will forfeit
any payments under this Paragraph 6 which are unpaid at the time such violation
occurs.

          7.   Covenant Not to Compete and Non-Disclosure.
               ------------------------------------------

          (a)  During the term of Stolpe's employment pursuant to this Agreement
     and for a period of one (1) year thereafter,  Stolpe covenants and agrees
     that Stolpe will not within any DMA (as determined from time to time by the
     A. C. Nielsen Company) in which the Company operates a television broadcast
     facility on the date of termination (or in which the Company has agreed to
     acquire, or the Board has approved pursuing (and the Company has not
     abandoned) the acquisition of, a television broadcast facility on or prior
     to the date of termination) whether directly or indirectly, with or without
     compensation, (x) enter into or engage in the business of television
     broadcasting, or (y) be employed by, act as a consultant to, act as a
     director of or own beneficially five percent (5%) or more of any class of
     equity or debt securities of any corporation or other commercial enterprise
     in the business of television broadcasting, or (z) solicit or do any
     business with respect to television broadcasting with any existing
     customers of the Company.  During the one (1) year after Stolpe's
     employment with the Company terminates, neither Stolpe nor any of Stolpe's
     affiliates will hire, solicit, employ or contract with respect to
     employment any officer or employee of the Company.  For purposes of this
     Paragraph 7, the term "Company" will include the Company, the LLC and each
                            -------
     subsidiary or other affiliate of any of them; provided that the term
                                                   --------
     "Company" will not include any affiliates of the Company who are affiliates
     of the Company solely by reason of being affiliates of ABRY Broadcast
     Partners II, L.P. ("ABRY II") or ABRY Broadcast Partners III, L.P.
                         -------
     (together with ABRY II, "ABRY").
                              ----

          (b)  Stolpe agrees to disclose promptly to the Company and does assign
     and agree to assign to the Company, free from any obligation to Stolpe, all
     Stolpe's right, title and interest in and to any and all ideas, concepts,
     processes, improvements and inventions made, conceived, written, acquired,
     disclosed or developed by Stolpe, solely or in concert with others, during
     the term of Stolpe's employment by the Company, which relate to the
     business, activities or facilities of the Company, or resulting from or
     suggested by any work Stolpe may do for the Company or at its request.
     Stolpe further agrees to deliver to the Company any and all drawings,
     notes, photographs, copies, outlines, specifications, memoranda and data
     relating to such ideas, concepts, processes, improvements and inventions,
     to cooperate fully during Stolpe's employment and thereafter in the
     securing of copyright, trademark or patent protection or other similar
     rights in the United States and foreign countries, and to give evidence and
     testimony and to execute and deliver to the Company all documents requested
     by it in connection therewith.

                                       6
<PAGE>

          (c)  Except as expressly set forth below, Stolpe agrees, whether
     during Stolpe's employment pursuant to this Agreement or thereafter, except
     as authorized or directed by the Company in writing or pursuant to the
     normal exercise of Stolpe's responsibilities hereunder, not to disclose to
     others, use for Stolpe's benefit, copy or make notes of any confidential
     knowledge or trade secrets or any other knowledge or information of or
     relating to the business, activities or facilities of the Company or any of
     its affiliates which may come to Stolpe's knowledge during Stolpe's
     employment pursuant to this Agreement or thereafter. Stolpe will not be
     bound to this obligation of confidentiality and nondisclosure if:

               (i)       the knowledge or information will become part of the
          public domain by publication or otherwise through no fault of Stolpe;

               (ii)      the knowledge or information is disclosed to the
          recipient by a third party and Stolpe reasonably believes such third
          party is in lawful possession of the knowledge or information and has
          the lawful right to make disclosure thereof; or

               (ii)      Stolpe is required to disclose such information
          pursuant to applicable law or by a court of competent jurisdiction.

          (d)  Upon termination of employment pursuant to this Agreement, Stolpe
     will deliver to the Company all records, notes, data, memoranda,
     photographs, models and equipment of any nature which are in Stolpe's
     possession or control and which are the property of the Company.

          (e)  The parties understand and agree that the remedies at law for
     breach of the covenants in this Paragraph 7 would be inadequate and that
     the Company will be entitled to injunctive or such other equitable relief
     as a court may deem appropriate for any breach of these covenants.  If any
     of these covenants will at any time be adjudged invalid to any extent by
     any court of competent jurisdiction, such covenant will be deemed modified
     to the extent necessary to render it enforceable.

          8.   Equity Interests.
               ----------------

          (a)  Contemporaneous with the execution and delivery of this
     Agreement, Stolpe has voluntarily elected to purchase 3,110 Class C-2
     Interests of the LLC (the "Class C-2 Interests") at $.3856 per interest
                                -------------------
     (for an aggregate purchase price of $1,199.22 for such Class C-2
     Interests).

          (b)  If Stolpe's employment with the Company is terminated, except as
contemplated by Paragraph 3(a) [Death] or Paragraph 3(c) [Consolidation, Merger
or Comparable Transaction], then the LLC will have the right, exercisable at any
time within ninety (90) days after the date of termination of employment, to
repurchase for cash the percentage of the aggregate

                                       7
<PAGE>

amount of all of Stolpe's Class C-2 Interests at Stolpe's original purchase
price for such Class C-2 Interests, in accordance with the following schedule:

                                                     Percentage of
                                                Interests Which May be
                                                      Repurchased
                                                ----------------------

     Termination Before January 1, 2000                  100%

     Termination On or After January 1, 2000
     But Before January 1, 2001                           90%

     Termination On or After January 1, 2001
     But Before January 1, 2002                           70%

     Termination On or After January 1, 2002
     But Before January 1, 2003                           50%

     Termination On or After January 1, 2003
     But Before January 1, 2004                           25%

     Termination On or After  January 1, 2004              0%

     If Stolpe's employment is terminated pursuant to Paragraph 3(a) or 3(c),
     then the LLC's right to purchase Stolpe's Class C-2 Interests pursuant to
     this Paragraph 8(b) will automatically terminate.

          (c)  The closing for any purchase and sale of Class C-2 Interests
     pursuant to Paragraph 8(b) will be at the principal executive offices of
     the Company at a mutually acceptable time, but in no event more than thirty
     (30) days after the date an option to purchase is exercised; provided that
                                                                  --------
     to the extent such purchase is prohibited under the Company's, the LLC's or
     any of their respective subsidiaries' debt financing agreements, such
     purchase will occur not more than thirty (30) days after the date on which
     all such prohibitions will have been waived or removed.

          (d)  Appropriate legends will be placed on any certificate
     representing any of Stolpe's Class C-2 Interests referencing the rights,
     restrictions and obligations of the LLC with regard to such Interests.

          (e)  For purposes of this Agreement, references to Stolpe's Class C-2
     Interests will be deemed to include any Interests of such type directly or
     indirectly transferred by Stolpe to any of Stolpe's Permitted Transferees
     (as that term is defined in the Investors Agreement).

                                       8
<PAGE>

          9.   Entire Agreement.  This instrument, the LLC Agreement and the
               ----------------
Investors Agreement embody the entire agreement between the parties hereto with
respect to Stolpe's employment with the Company, and there have been and are no
other agreements, representations or warranties between the parties regarding
such matters.

          10.  No Assignment.  This Agreement will not be assigned by Stolpe
               -------------
without the prior written consent of the Company and any attempted assignment
without such prior written consent will be null and void and without legal
effect; provided that in the case of Stolpe's death or disability this Agreement
        --------
may be enforced by Stolpe's executors, personal representatives or guardians, to
the extent applicable.  This Agreement will not be assigned by the Company
without the prior written consent of Stolpe except to any other person or entity
which may acquire or conduct the business of the Company, the LLC and/or their
respective subsidiaries.

          11.  Notices.  All notices, requests, demands and other communications
               -------
hereunder will be deemed to have been duly given when (i) delivered by hand or
if mailed, by certified or registered mail, with postage prepaid; (ii) hand
delivered; or (iii) sent overnight mail or overnight courier:

          (a)  If to Stolpe, then to Rick Stolpe, 72 Kirby Avenue, Mountaintop,
     PA 18707, or as Stolpe may otherwise specify by prior written notice to the
     Company; and

          (b)  If to the Company, then c/o:  Nexstar Broadcasting Group, Inc.,
     200 Abington Executive Park, Suite 201, Clarks Summit, PA 18411, Attention:
     Perry A. Sook or as the Company may otherwise specify by prior written
     notice to Stolpe.

          12.  Amendment; Modification.  This Agreement will not be amended,
               -----------------------
modified or supplemented other than in a writing signed by the parties hereto.

          13.  Counterparts.  This Agreement may be executed in two or more
               ------------
counterparts, each of which will be deemed an original, but all of which
together will constitute but one and the same instrument.

          14.  Headings.  The headings in the Paragraphs of this Agreement are
               --------
inserted for convenience only and will not constitute a part of this Agreement.

          15.  Severability.  The parties agree that if any provision of this
               ------------
Agreement will under any circumstances be deemed invalid or inoperative, the
Agreement will be construed with the invalid or inoperative provision deleted,
and the rights and obligations of the parties will be construed and enforced
accordingly.

                                       9
<PAGE>

          16.  Governing Law.  This Agreement will be governed by and construed
               -------------
in accordance with the internal law of the State of Delaware without giving
effect to any choice of law or conflict provision or rule that would cause the
laws of any jurisdiction other than the State of Delaware to be applied.

          17.  Legal Fees.  In the event of any litigated dispute between or
               ----------
among any of the parties to this Agreement, the reasonable legal fees and
expenses of the party successful in such dispute (whether by way of a decision
by a court or other tribunal) will be paid promptly by the unsuccessful party
upon presentation by the successful party of an invoice therefor.

          18.  Representations. Stolpe represents and warrants to the Company
               ---------------
that Stolpe is not a party to or bound by any employment agreement, noncompete
agreement or confidentiality agreement with any other person or entity.

          19.  Strict Construction.  The parties to this Agreement have
               -------------------
participated jointly in the negotiation and drafting of this Agreement.  In the
event an ambiguity or question of intent or interpretation arises, this
Agreement will be construed as if drafted jointly by the parties, and no
presumption or burden of proof will arise favoring or disfavoring any party by
virtue of the authorship of any of the provisions of this Agreement.

          20.  Binding Arbitration.
               -------------------

          (a)  Generally. The arbitration procedures described in this Paragraph
               ---------
     20 will be the sole and exclusive method of resolving and remedying claims
     under this Agreement ("Disputes"); provided that nothing in this Paragraph
                            --------    --------
     20 will prohibit a Person from instituting litigation to enforce any Final
     Arbitration Award. Except as otherwise provided in the Commercial
     Arbitration Rules of the American Arbitration Association as in effect
     from time to time (the "AAA Rules"), the arbitration procedures described
                             ---------
     in this Paragraph 20 and any Final Arbitration Award will be governed by,
     and will be enforceable pursuant to, the Uniform Arbitration Act as in
     effect in the Commonwealth of Massachusetts from time to time. "Person" for
                                                                     ------
     the purposes of this Agreement means an individual, a partnership, a
     limited liability company, a corporation, an association, a joint stock
     company, a trust, a joint venture, an unincorporated organization or any
     governmental entity.

          (b)  Notice of Arbitration.  If a Person asserts that there exists a
               ---------------------
     Dispute, then such Person (the "Disputing Person") will give each other
                                     ----------------
     Person involved in such Dispute a written notice setting forth the nature
     of the asserted Dispute.  If all such Persons do not resolve any such
     asserted Dispute prior to the 10th business day after such notice is given,
     then any of them may commence arbitration pursuant to this Paragraph 20 by
     giving each other Person involved in such Dispute a written notice to that
     effect (an "Arbitration Notice"), setting forth any matters which are
                 ------------------
     required to be set forth therein in accordance with the AAA Rules.

                                       10
<PAGE>

          (c)  Selection of Arbitrator. The Persons involved in any Dispute will
               -----------------------
     attempt to select a single arbitrator by mutual agreement. If no such
     arbitrator is selected prior to the 10th business day after the related
     Arbitration Notice is given, then an arbitrator which is experienced in
     matters of the type which are the subject matter of the Dispute will be
     selected in accordance with the AAA Rules.

          (d)  Conduct of Arbitration.  The arbitration will be conducted in
               ----------------------
     Boston, Massachusetts under the AAA Rules, as modified by any written
     agreement among the Persons`involved in the Dispute in question.  The
     arbitrator will conduct the arbitration in a manner so that the final
     result, determination, finding, judgment or award determined by the
     arbitrator (the "Final Arbitration Award") is made or rendered as soon as
                      -----------------------
     practicable, and the Persons involved will use reasonable efforts to cause
     a Final Arbitration Award to occur within 90 days after the arbitrator is
     selected.  Any Final Arbitration Award will be final and binding upon all
     Persons and there will be no appeal from or reexamination of any Final
     Arbitration Award, except in the case of fraud, perjury or evident
     partiality or misconduct by the arbitrator prejudicing the rights of such
     Persons or to correct manifest clerical errors.

          (e)  Enforcement.  A Final Arbitration Award may be enforced in any
               -----------
     state or federal court having jurisdiction over the subject matter of the
     related Dispute.

          (f)  Expenses.  Each prevailing Person in any arbitration proceeding
               --------
     described in this Paragraph 20 will be entitled to recover from any non-
     prevailing Person(s) its reasonable attorneys' fees and disbursements and
     other out-of-pocket costs in addition to any damages or other remedies
     awarded to such prevailing Person, and the non-prevailing Person(s) also
     will be required to pay all other costs and expenses associated with the
     arbitration; provided that (i) if an arbitrator is unable to determine that
                  --------
     one or more Persons are prevailing Person(s) in any such arbitration
     proceeding, then such costs and expenses will be equitably allocated by
     such arbitrator upon the basis of the outcome of such arbitration
     proceeding, and (ii) if such arbitrator is unable to allocate such costs
     and expenses in such a manner, then the costs and expenses of such
     arbitration will be paid one-half by the Company, and the LLC, on the one
     hand, and one-half by Stolpe, on the other hand, and each Person involved
     in such arbitration will pay the out-of-pocket expenses incurred by it.  As
     part of any Final Arbitration Award, the arbitrator may designate the
     prevailing Person(s) for purposes of this Paragraph 20.

                             *   *   *   *   *   *

                                       11
<PAGE>

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

                         /s/ Rick Stolpe
                         -----------------------------------------
                         Rick Stolpe

                         NEXSTAR BROADCASTING GROUP, INC.

                         By: /s/ Perry A. Sook
                             -------------------------------------
                         Its: President and CEO
                             -------------------------------------

ACCEPTED AND AGREED:

NEXSTAR BROADCASTING GROUP, L.L.C.

By: /s/ Perry A. Sook
   -------------------------------------
    Perry A. Sook, President

<PAGE>

                                                                         ANNEX A

                                                               December 31, 1999

                      ELECTION TO INCLUDE STOCK IN GROSS
                    INCOME PURSUANT TO SECTION 83(b) OF THE
                             INTERNAL REVENUE CODE

          The undersigned purchased Class C-2 Interests (the "Interests"), of
                                                              ---------
Nexstar Broadcasting Group, L.L.C., a Delaware limited liability company (the
"Company"), on the date hereof.  Under certain circumstances, the Company has
--------
the right to repurchase the Interests at cost from the undersigned (or from the
holder of the Interests, if different from the undersigned) should the
undersigned cease to be employed by Nexstar Broadcasting Group, Inc. (the
"Employer"). Hence, the Interests are subject to a substantial risk of
---------
forfeiture and are nontransferable.  The undersigned desires to make an election
to have the Interests taxed under the provision of Code (S)83(b) at the time the
undersigned purchased the Interests.

          Therefore, pursuant to Code (S)83(b) and Treasury Regulation (S)1.83-2
promulgated thereunder, the undersigned hereby makes an election, with respect
to the Interests (described below), to report as taxable income for calendar
year 1999 the excess (if any) of the Interests' fair market value on the date
hereof over the purchase price thereof.

          The following information is supplied in accordance with Treasury
Regulation (S)1.83-2(e):

1.        The name, address and social security number of the undersigned:

                 Rick Stolpe
                 72 Kirby Avenue
                 Mountaintop, PA 18707
                 SSN:  ###-##-####

2.        A description of the property with respect to which the election is
     being made: 3,110 of the Company's Class C-2 Interests.

3.        The date on which the property was transferred: the date hereof. The
     taxable year for which such election is made: calendar 1999.

4.        The restrictions to which the property is subject: Until January 1,
     2004, if the undersigned ceases to be employed by the Employer (except in
     certain circumstances) a

                                       A-1
<PAGE>

     certain portion of the Interests will be subject to repurchase by the
     Company at cost. If the undersigned ceases to be employed by the Employer
     (except for certain circumstances) prior to January 1, 2000, then all of
     the Interests will be subject to repurchase by the Company at cost; if such
     cessation of the undersigned's employment occurs prior to January 1, 2004,
     then not less than 25% of the Interests will be subject to repurchase by
     the Company at cost.

5.        The fair market value on the date hereof of the property with respect
     to which the election is being made, determined without regard to any lapse
     restrictions: $.3856 per Interest.

6.        The amount paid for such property:  $.3856 per Interest.

          A copy of this election has been furnished to the Secretary of the
Company pursuant to Treasury Regulations (S)1.83-2(e)(7).

                                         /s/ Rick Stolpe
                                         ------------------------
                                         Rick Stolpe

                                      A-2

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