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                                                                   Exhibit 10.20

                 iPCS, INC. 2004 LONG-TERM STOCK INCENTIVE PLAN

                              STOCK UNIT AGREEMENT

     THIS AGREEMENT, entered into as of the Grant Date (as defined in paragraph
1), by and between the Participant and iPCS, Inc. (the "Company");

                                WITNESSETH THAT:

     WHEREAS, the Company maintains the iPCS 2004 Long-Term Incentive Plan (the
"Plan"), which is incorporated into and forms a part of this Agreement and in
consideration of Participant's acceptance of the position of Chief Executive
Officer of the Company and for Participant's facilitating the Company's
emergence from bankruptcy, the Participant has been selected by the Committee to
receive this stock unit Award ("Stock Unit Award") under the Plan;

     NOW, THEREFORE, IT IS AGREED, by and between the Company and the
Participant, as follows:

     1.   TERMS OF AWARD. The following terms used in this Agreement shall have
the meanings set forth in this paragraph 1:

          (a)    The "Participant" is Timothy M. Yager.

          (b)    The "Grant Date" is the Effective Date.

          (c)    The number of Stock Units subject to this Agreement is one
     hundred twenty five thousand (125,000) ("Units"). The number of shares of
     Stock subject to this Agreement is one hundred twenty five thousand
     (125,000) ("Covered Shares"). Each Unit represents a right to receive a
     Covered Share in the future pursuant to the terms of this Agreement and the
     Plan.

          (d)    The "Delivery Date" is February 1, 2005.

     Other terms used in this Agreement are defined in the Plan or elsewhere in
     this Agreement.

     2.   AWARD. The Participant is hereby granted the number of Units set forth
in paragraph 1(c). Subject to the terms of this Agreement and the Plan, the
Units granted under this Agreement shall be fully vested as of the Grant Date.
The Company shall issue the Participant one (1) share of Stock free and clear of
any restrictions for each vested Unit as soon as practicable on or following the
Delivery Date; provided, however, the Participant shall maintain the right to
elect to extend the Delivery Date with respect to any or all Units, provided
such election is made in writing to the Company at least three months prior to
the scheduled Delivery Date and prior to the end of the calendar year prior to
the year in which the Delivery Date is scheduled to occur.

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     3.   DIVIDEND EQUIVALENTS. The Participant shall be entitled to receive a
cash payment equal to any dividends and distributions paid with respect to the
Covered Shares ("Dividend Equivalents"); provided, however, that no Dividend
Equivalents shall be payable to or for the benefit of the Participant with
respect to record dates for such dividends or distributions occurring prior to
the Grant Date. Dividend Equivalents shall be paid at the same time as dividends
or distributions are paid to the holders of the Company's common stock.

     4.   NO VOTING RIGHTS. The Participant shall not be a shareholder of record
with respect to the Covered Shares during the period beginning on the Grant Date
and ending on the Delivery Date (the "Deferral Period") and shall have no voting
rights with respect to the Covered Shares during the Deferral Period.

     5.   VESTING AND FORFEITURE OF UNITS. The Participant shall be fully vested
in the Units at all times during the Deferral Period and such Units shall not be
subject to forfeiture.

     6.   WITHHOLDING. The grant and delivery of Units or Covered Shares under
this Agreement are subject to withholding of all applicable taxes. At the
election of the Participant, and subject to such rules and limitations as may be
established by the Committee from time to time, such withholding obligations may
be satisfied through the surrender of shares of Stock which the Participant
already owns, or to which the Participant is otherwise entitled under the Plan.

     7.   DISCRETIONARY NATURE OF THE PLAN; NO VESTED RIGHTS. The Participant
hereby acknowledges and agrees that the Plan is discretionary in nature and
limited in duration, and may be amended, cancelled, or terminated by the
Company, in its sole discretion, at any time. The Participant further
acknowledges and agrees that this award granted under the Plan is a one-time
benefit and does not create any contractual or other right in favor of the
Participant to receive additional awards under the Plan in the future. Future
awards, if any, shall be at the sole discretion of the Company, including, but
not limited to, the timing of any award and the terms and conditions governing
such award.

     8.   HEIRS AND SUCCESSORS. This Agreement shall be binding upon, and inure
to the benefit of, the Company and its successors and assigns, and upon any
person acquiring, whether by merger, consolidation, purchase of assets or
otherwise, all or substantially all of the Company's assets and business. If any
rights of the Participant or benefits distributable to the Participant under
this Agreement have not been exercised or distributed, respectively, at the time
of the Participant's death, such rights shall be exercisable by the Designated
Beneficiary, and such benefits shall be distributed to the Designated
Beneficiary, in accordance with the provisions of this Agreement and the Plan.
The "Designated Beneficiary" shall be the beneficiary or beneficiaries
designated by the Participant in a writing filed with the Committee in such form
and at such time as the Committee shall require. If a deceased Participant fails
to designate a beneficiary, or if the Designated Beneficiary does not survive
the Participant, any rights that would have been exercisable by the Participant
and any benefits distributable to the Participant shall be exercised by or
distributed to the legal representative of the estate of the Participant. If a
deceased Participant designates a beneficiary and the Designated Beneficiary
survives the Participant but dies before the Designated Beneficiary's exercise
of all rights under this Agreement or before the complete distribution of
benefits to the Designated Beneficiary

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under this Agreement, then any rights that would have been exercisable by the
Designated Beneficiary shall be exercised by the legal representative of the
estate of the Designated Beneficiary, and any benefits distributable to the
Designated Beneficiary shall be distributed to the legal representative of the
estate of the Designated Beneficiary.

     9.   ADMINISTRATION. The authority to manage and control the operation and
administration of this Agreement shall be vested in the Committee, and the
Committee shall have all powers with respect to this Agreement as it has with
respect to the Plan. Any interpretation of the Agreement by the Committee and
any decision made by it with respect to the Agreement is final and binding.

     10.  FRACTIONAL SHARES. In lieu of issuing a fraction of a share resulting
from an adjustment of the Stock Unit Award pursuant to paragraph 5.2(f) of the
Plan or otherwise, the Company will be entitled to pay to the Participant an
amount equal to the fair market value of such fractional share.

     11.  PLAN GOVERNS. Notwithstanding anything in this Agreement to the
contrary, the terms of this Agreement shall be subject to the terms of the Plan,
a copy of which may be obtained by the Participant from the office of the
Secretary of the Company.

     12.  AMENDMENT. This Agreement may be amended in accordance with the
provisions of the Plan, and may otherwise be amended by written agreement of the
Participant and the Company without the consent of any other person.

     13.  SEVERABILITY. The invalidity or unenforceability of any provision of
this Agreement shall not affect the validity or enforceability of any other
provision of this Agreement, and each other provision of this Agreement shall be
severable and enforceable to the extent permitted by law.

     14.  APPLICABLE LAW. The provisions of this Agreement shall be construed in
accordance with the laws of the State of DELAWARE, without regard to the
conflict of law provisions of any jurisdiction.

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     IN WITNESS WHEREOF, the Participant has executed this Agreement, and the
Company has caused these presents to be executed in its name and on its behalf,
all as of the Grant Date.

                                                    Participant

                                                    -------------------------

                                                    iPCS, Inc.

                                                    By:
                                                         --------------------

                                                    Its:
                                                         --------------------

                                        4<Page>

                                                                     Exhibit 4.1

            CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

     We consent to the reference to our firm under the caption
"Experts-Independent Auditors" and to the use of our report dated December 29,
2004 in the Amendment No. 2 to the Registration Statement (File No. 333-120845)
and related Prospectus of Claymore Securities Defined Portfolios, Series 202.

                                           /s/ Grant Thornton LLP
                                           ------------------------
                                           GRANT THORNTON LLP

Chicago, Illinois
December 29, 2004QuickLinks
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Exhibit 10.11    
    

FORM OF INDEMNIFICATION AGREEMENT 

        This
Indemnification Agreement (this "Agreement"), dated as of                        ,
2004, is by and between 3CI Complete Compliance
Corporation, a Delaware corporation (the "Corporation"),
and                        ("Indemnitee"). 

WITNESSETH:

        WHEREAS,
the Corporation desires to have qualified individuals serving as directors and officers of the Corporation and its subsidiaries, and Indemnitee chooses to serve in such
capacity; and 

        WHEREAS,
the Corporation's Certificate of Incorporation, as amended (the "Certificate of Incorporation"), and the Corporation's Bylaws
(the "Bylaws") require indemnification of each director or officer of the Corporation and/or one or more of its subsidiaries to the fullest extent
permitted by the Delaware General Corporation Law, as the same exists or may be hereafter amended; 

        WHEREAS,
the Corporation desires to grant to Indemnitee the maximum indemnification permitted by the Certificate of Incorporation, the Bylaws and applicable law; and 

        WHEREAS,
developments with respect to the terms and availability of directors' and officers' liability insurance and with respect to the application, amendment and enforcement of
statutory, charter and bylaw indemnification provisions generally have raised questions concerning the adequacy and reliability of the protection afforded to persons intended to be protected
thereunder; and 

        WHEREAS,
in order to resolve such questions and thereby induce Indemnitee to serve and continue serving as a director or officer of the Corporation and/or its subsidiaries, the
Corporation has agreed to enter into this Agreement with Indemnitee; 

        NOW,
THEREFORE, in consideration of Indemnitee's agreement to serve and continue serving as a director or officer of the Corporation and/or its subsidiaries, the parties hereto agree as
follows: 

        1.    Indemnity for Proceedings other than by or in the Right of the Corporation.    The Corporation shall indemnify
Indemnitee to the full extent of all Losses (as hereinafter defined) in connection with any threatened, pending or completed action, suit or proceeding, whether civil, criminal, administrative or
investigative (a "Proceeding") (other than an action by or in the right of the Corporation and/or its subsidiaries) to which Indemnitee was or is a
party or is threatened to be made a party by reason of the fact that he is or was a director, officer, employee or agent of the Corporation or is or was serving at the request of the Corporation as a
director, officer, employee or agent of another corporation, partnership, joint venture, trust or other enterprise (a "Corporate Functionary"), if
Indemnitee acted in good faith and in a manner Indemnitee reasonably believed to be in or not opposed to the best interests of the Corporation and, with respect to any criminal action or proceeding,
had no reasonable cause to believe his conduct was unlawful. 

        2.    Indemnity for Actions by or in the Right of the Corporation.    The Corporation shall indemnify Indemnitee to
the extent of all Losses in connection with the defense or settlement of any threatened, pending or completed Proceeding by or in the right of the Corporation and/or its subsidiaries to procure a
judgment in its favor to which Indemnitee was or is a party or is threatened to be made a party by reason of the fact that Indemnitee is or was a Corporate Functionary, if Indemnitee acted in good
faith and in a manner he reasonably believed to be in or not opposed to the best interests of the Corporation, except that no indemnification shall be made in respect of any claim, issue or matter as
to which Indemnitee shall have been adjudged to be liable to the Corporation and/or any of its subsidiaries, unless and only to the extent that the Delaware Court of Chancery or the court in which
such Proceeding was brought shall determine upon application that, despite the adjudication of liability and in view of all the circumstances of the case, Indemnitee is fairly and reasonably entitled
to indemnity for such Losses which the Delaware Court of Chancery or such other court shall deem proper. 

 

        3.    Expenses Related to a Proceeding.    If Indemnitee is, by reason of the fact that Indemnitee is or was a
Corporate Functionary, a party to and is successful, on the merits or otherwise, in defense of any Proceeding, or in defense of any claim, issue or matter therein, Indemnitee shall be indemnified
against all expenses (including attorneys' fees) actually and reasonably incurred by him (and not paid, reimbursed or advanced by others) in connection therewith. 

        4.    Continuation of Indemnity.    All agreements and obligations of the Corporation contained herein shall be
retroactive to the date the Indemnitee first began serving as a director and/or officer of the Corporation and/or one or more of its subsidiaries, shall continue during the period Indemnitee is a
director or officer of the Corporation and/or its subsidiaries and shall continue thereafter so long as Indemnitee shall be subject to any possible claim or threatened, pending or completed
Proceeding, any appeal in any Proceeding and any inquiry or investigation that could lead to any Proceeding, by reason of the fact that Indemnitee was serving in any capacity referred to herein. 

        5.    Notification and Defense of Claim.    Promptly after receipt by Indemnitee of notice of any claim against
Indemnitee or the commencement of any Proceeding, Indemnitee will, if a claim in respect thereof is to be made against the Corporation under this Agreement, notify the Corporation of the assertion of
any such claim or the commencement thereof; but the omission so to notify the Corporation will not relieve it from any liability under this Agreement unless such delay in notification actually
prejudiced the Corporation (and then only to the extent the Corporation was actually prejudiced thereby), and, in addition, the Corporation shall not be relieved from any liability which it may have
to Indemnitee otherwise than under this Agreement. With respect to any Proceeding as to which Indemnitee notifies the Corporation of the commencement thereof: 

        (a)   The
Corporation will be entitled to participate therein at its own expense. 

        (b)   Except
as otherwise provided below, to the extent that it may wish, the Corporation, jointly with any other indemnifying party similarly notified, will be entitled to
assume the defense thereof, with counsel satisfactory to Indemnitee. After notice from the Corporation to Indemnitee of its election so to assume the defense thereof, the Corporation will not be
liable to Indemnitee under this Agreement for any legal or other expenses subsequently actually and reasonably incurred by Indemnitee in connection with the defense thereof other than reasonable costs
of investigation or as otherwise provided below. Indemnitee shall have the right to employ his own counsel in such Proceeding, but the fees and expenses of such counsel incurred after notice from the
Corporation of its assumption of the defense thereof shall be at the expense of Indemnitee unless (i) the employment of counsel by Indemnitee has been authorized in writing by the Corporation,
(ii) Indemnitee shall have reasonably concluded that there may be a conflict of interest between the Corporation and Indemnitee in the conduct of the defense of such action or (iii) the
Corporation shall not in fact have employed counsel to assume the defense of such action, in each of which cases the fees and expenses of Indemnitee's counsel shall be at the expense of the
Corporation. The Corporation shall not be entitled to assume the defense of any Proceeding brought by or on behalf of the Corporation or as to which Indemnitee shall have made the conclusion provided
for in clause (ii) above. 

        (c)   The
Corporation shall not be liable to indemnify Indemnitee under this Agreement for any amounts paid in settlement of any action or claim affected without its written
consent. The Corporation shall not settle any action or claim in any manner that would impose any penalty or limitation on Indemnitee without Indemnitee's written consent. Neither the Corporation nor
Indemnitee will unreasonably withhold their consent to any proposed settlement. 

        6.    Advances of Expenses.    Expenses (other than judgments, penalties, fines and settlements) actually and
reasonably incurred by Indemnitee that are subject to indemnification under this Agreement (and not paid, reimbursed or advanced by others) shall be paid or reimbursed by the Corporation in advance of
the final disposition of the Proceeding within 10 days after the Corporation 

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receives
a written request by Indemnitee accompanied by substantiating documentation of such expenses and a written undertaking by or on behalf of Indemnitee to repay the amount paid or reimbursed if
it is ultimately determined that he is not entitled to be indemnified by the Corporation hereunder or that such expenses do not constitute Losses. The written undertaking described above must be an
unlimited general obligation of Indemnitee but shall not be secured. Such undertaking shall be without reference to the financial ability of Indemnitee to make repayment. 

        7.    Right of Indemnitee to Indemnification Upon Application; Procedure Upon Application.    Upon the written request
of Indemnitee to be indemnified pursuant to this Agreement (other than pursuant to Section 6 hereof), the Corporation shall cause the Reviewing Party (as hereinafter defined) to determine,
within 45 days, whether or not Indemnitee has met the relevant standards for indemnification required by this Agreement. The termination of a Proceeding by judgment, order, settlement or
conviction, or on a plea of nolo contendere or its equivalent, shall not of itself be determinative that Indemnitee did not meet the requirements for
indemnification under this Agreement. If a determination of indemnification is to be made by Independent Legal Counsel (as hereinafter defined), such Independent Legal Counsel shall render its written
opinion to the Corporation and Indemnitee as to what extent Indemnitee will be permitted to be indemnified. The Corporation shall pay the reasonable fees of Independent Legal Counsel and indemnify and
hold harmless Indemnitee against any and all expenses (including attorneys' fees), claims, liabilities and damages arising out of or relating to the engagement of Independent Legal Counsel pursuant
hereto and the written opinion of such Independent Legal Counsel. 

        8.    Definitions.    The terms defined in this Section 8 shall, for purposes of this Agreement, have the
indicated meanings: 

        (a)   "Reviewing
Party" means (i) a majority of directors of the Corporation who at the time of voting upon a determination of indemnification are not parties to the
Proceeding with respect to which Indemnitee is seeking indemnification, even though less than a quorum, (ii) Independent Legal Counsel selected by a majority of directors who at the time of
selecting such Independent Legal Counsel are not parties to the Proceeding with respect to which Indemnitee is seeking indemnification, or (iii) the stockholders of the Corporation. 

        (b)   "Independent
Legal Counsel" shall mean an attorney, selected in accordance with the provisions of Section 8(a) hereof, who shall not have otherwise performed
services for Indemnitee, the Corporation, any person that controls the Corporation or any of the directors of the Corporation, within five years preceding the time of such selection (other than in
connection with seeking indemnification under this Agreement). Independent Legal Counsel shall not be any person who, under the applicable standards of professional conduct then prevailing, would have
a conflict of interest in representing either the
Corporation or Indemnitee in an action to determine Indemnitee's rights under this Agreement, nor shall Independent Legal Counsel be any person who has been sanctioned or censured for ethical
violations of applicable standards of professional conduct. 

        (c)   "Losses"
shall mean any and all expenses (including attorneys' fees), judgments, fines and amounts paid in settlement actually and reasonably incurred by Indemnitee
after realization of or giving effect to all insurance, bonding, indemnification and other payments or recoveries actually received by or for the benefit of Indemnitee, directly or indirectly, or to
which Indemnitee may be entitled, directly or indirectly. 

        9.    Enforceability.    The right to indemnification or payment, reimbursement or advancement of expenses as provided
by this Agreement shall be enforceable by Indemnitee in any court of competent jurisdiction. The burden of proving that indemnification is not appropriate shall be on the Corporation. Neither the
failure of the Corporation (including its Board of Directors or Independent Legal Counsel) to have made a determination prior to the commencement of an action that indemnification is proper 

3

 

in
the circumstances because Indemnitee has met the applicable standard of conduct, nor an actual determination by the Corporation (including its Board of Directors or Independent Legal Counsel) that
Indemnitee has not met the applicable standard of conduct, shall be a defense to the action or create a presumption that Indemnitee has not met the applicable standard of conduct. 

        10.    Partial Indemnity.    If Indemnitee is entitled under any provision of this Agreement to indemnification by the
Corporation for a portion of the Losses, but not for the total amount thereof, the Corporation shall indemnify Indemnitee for the portion thereof to which Indemnitee is entitled. Notwithstanding any
other provision of this Agreement, to the extent that Indemnitee has been successful on the merits or otherwise in defense of any or all Proceedings relating in whole or in part to an event subject to
indemnification hereunder or in defense of any issue or matter therein, including dismissal without prejudice, Indemnitee shall be indemnified against all expenses (including attorneys' fees) actually
and reasonably incurred by him (and not paid, reimbursed, or advanced by others) in connection with such Proceeding, issue, or matter, as the case may be. 

        11.    Repayment of Expenses.    Indemnitee shall reimburse the Corporation for all reasonable expenses paid by the
Corporation in defending any Proceeding against Indemnitee if and only to the extent that it shall be ultimately determined that Indemnitee is not entitled to be indemnified by the Corporation for
such expenses under the provisions of this Agreement or that such expenses do not constitute Losses. 

        12.    Consideration.    The Corporation expressly confirms and agrees that it has entered into this Agreement and
assumed the obligations imposed on the Corporation hereby in order to induce Indemnitee to serve and continue serving as a director or officer of the Corporation and/or its subsidiaries, and
acknowledges that Indemnitee is relying upon this Agreement in serving in such capacity. 

        13.    Indemnification Hereunder Not Exclusive.    The indemnification and payment, reimbursement, and advancement of
expenses provided by this Agreement shall not be deemed exclusive of any other rights to which Indemnitee may be entitled under any other agreement, vote of stockholders, as a matter of law or
otherwise. 

        14.    Subrogation.    If a payment is made under this Agreement, the Corporation shall be subrogated to the extent of
such payment to all of the rights of recovery of Indemnitee, who shall execute all papers required and shall do everything that may be necessary to secure such rights. 

        15.    Severability.    Each of the provisions of this Agreement is a separate and distinct agreement and independent
of the others, so that if any provision thereof shall be held to be invalid or unenforceable for any reason, such invalidity or unenforceability shall not affect the validity or enforceability of the
other provisions hereto. 

        16.    Notice.    Any notice, consent or other communication to be given under this Agreement by any party to any
other party shall be in writing and shall be either (a) personally delivered, (b) mailed by registered or certified mail, postage prepaid with return receipt requested,
(c) delivered by overnight express delivery service or same-day local courier service or (d) delivered by telex or facsimile transmission to the address set forth beneath the
signature of the parties below, or at such other address as may be designated by the parties from time to time in accordance with this Section. Notices delivered personally, by overnight express
delivery service or by local courier service shall be deemed given as of actual receipt. Mailed notices shall be deemed given three business days after mailing. Notices delivered by telex or facsimile
transmission shall be deemed given upon receipt by the sender of the answerback (in the case of a telex) or transmission confirmation (in the case of a facsimile transmission). 

4

 

        17.    Governing Law; Binding Effect; Amendment and Termination; Reimbursement.    

        (a)   This
Agreement shall be interpreted and enforced in accordance with the laws of the State of Delaware. 

        (b)   This
Agreement shall be binding upon and inure to the benefit of Indemnitee and his heirs, executors, administrators, personal representatives and assigns and upon the
Corporation and its successors and assigns. 

        (c)   No
amendment, modification, termination or cancellation of this Agreement shall be effective unless in writing signed by both parties hereto. 

        (d)   If
Indemnitee is required to bring any action to enforce rights or to collect moneys due under this Agreement and is successful in such action, the Corporation shall
reimburse Indemnitee for all reasonable fees (including attorneys' fees) and expenses actually and reasonably incurred in bringing and pursuing such action. 

        (e)   Words
of any gender used in this Agreement shall be held and construed to include any other gender. 

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        IN
WITNESS WHEREOF, the parties hereto have executed this Agreement as of the date first above written. 

	 	 	3CI Complete Compliance Corporation
	

 	
 	

By:	

    
 Otley L. Smith III
 President and Chief Executive Officer
	

 	
 	

Address of 3CI Complete Compliance Corporation:
	

 	
 	

1517 W. North Carrier Parkway #104

Grand Prairie, Texas 75050

Fax: (972) 660-3493
	

 	
 	

	

 	
 	

	

 	
 	

Address of Indemnitee:
	

 	
 	

	

 	
 	

	 	 	Fax:	                    

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QuickLinks

Exhibit 10.11

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