Document:

CONSECO EXECUTIVE LIFE

                               INSURANCE AGREEMENT

THIS AGREEMENT made and entered into effective the 16th day of January, 2001,
by and between Conseco, Inc. ("Employer"), and the Gary C. Wendt 2000
Irrevocable Insurance Trust dated 11/22/00 ("Owner");

WHEREAS, Gary C. Wendt ("Employee") is a valued employee of Employer and
Employer wishes to retain him in its employ; and

WHEREAS, as an inducement to Employee's continued employment, Employer wishes to
assist Employee with his personal life insurance program by entering into the
Conseco Executive Life Insurance Agreement with the Owner.

NOW, THEREFORE, the Employer and Owner agree as follows:

1. Identification of Policy. The policy number of the life insurance policy to
which this Agreement relates ("Policy"), the name of the Company issuing such
Policy ("Insurer"), and the Owner's death benefit payable in the event of the
Employee's death shall be set forth on Exhibit A to this Agreement as determined
by the Employer effective on the date hereof and at such other times as
determined by Employer, in its discretion.

2. Ownership of Policy. Owner or his (or its) transferee shall be the owner of
the Policy, and may exercise all ownership rights granted to the Owner by the
terms of the Policy.  Notwithstanding any other provisions of this Agreement or
any form of policy assignment executed by Owner or his (or its) transferee in
connection with this Agreement, it is the express intention of the parties to
reserve to the Owner all rights in and to the Policy granted to the Owner by its
terms, including, but not limited to, the right to assign the Owner's interest
in the Policy, the right to change the beneficiary of the Policy, the right to
exercise settlement options, the right to borrow against the cash value of the
Policy, and the right to surrender or cancel the Policy, in whole or in part.
Employer shall neither have nor exercise any right in or to the Policy which
could, in any way, endanger, defeat or impair any of the rights of the Owner in
the Policy, including the right to collect the proceeds of the Policy in excess
of the amount due the Employer, as provided in this Agreement. The only rights
in and to the Policy granted to the Employer shall be limited to its security
interest in the "cash surrender value or surrender value" of the Policy, which
for all purposes of this Agreement shall be as defined in the Policy, and a
portion of the death benefit of the Policy, as hereinafter provided. The
Employer shall not assign any of its rights in the Policy to anyone other than
the Owner (or the Owner's transferee, if the Owner has transferred his or its
rights in the Policy).

<PAGE>

3. Premium. The Owner shall contribute to the Employer an amount equal to the
annual economic benefit derived by the Owner (as determined by the Employer in
accordance with Revenue Rulings 64-328 and 66-110), or, if less, the premium for
the year. The Owner shall pay the Owner's portion of the premium to the Employer
in a lump sum at the beginning of each Policy year. The Employer shall pay the
remainder of each total premium on the Policy. The total annual premium due on
such Policy, effective December 1 of each year during the term of this
Agreement, shall be determined by the Employer.

4. Collateral Assignment. Contemporaneously with this Agreement, the Owner has
made a collateral assignment of the Policy to the Employer under the form of
Assignment attached as Exhibit B, as it may be amended from time to time to
reflect any modifications to Exhibit A with respect to the Insurer or policy
number, which Assignment gives the Employer the right to recover the premiums it
has paid on the Policy including reimbursement of premiums previously paid by
General Electric Company ("GE") less amounts received under the Agreement from
the Owner ("net premium outlay") from the surrender value of the Policy and to
recover a portion of the death benefit of the Policy. The interest of the
Employer in and to the Policy shall be specifically limited to the following
rights:

   a. The right to recover the lesser of its net premium outlay and the
      surrender value of the Policy in the event the Policy is totally
      surrendered or canceled by the Owner, or the right to receive the
      surrender proceeds to the extent of its net premium outlay in the event
      the Policy is partially surrendered by the Owner as provided in paragraph
      5;

   b. The right to recover its net premium outlay fro the death benefit
      proceeds;

   c. The right to recover the lesser of its net premium outlay and the
      surrender value of the Policy, or to receive ownership of the Policy, in
      the event of termination of this Agreement, as provided in paragraphs
      6(b), 6(c) and 6(d) below; and

   d. The right to recover its net premium outlay to the extent a Policy loan
      made by the Owner in any year exceeds the lesser of the Owner's portion of
      the premium for that year and the increase for that year in the surrender
      value of the Policy, as provided in paragraph 8.

5. Surrender or Cancellation. The Owner shall have the sol right to surrender or
cancel the Policy, in whole or in part, and to receive his (or its) surrender
value, subject to the provisions of this paragraph 5. In the event of any
partial or complete surrender or cancellation, the Employer shall be provided
with written notice of such surrender or cancellation by the Owner at least
fifteen (15) days prior to a distribution from the Insurer. Subject to paragraph
6, in the event of any partial surrender, the Employer shall

                                       2
<PAGE>

be entitled to recover the surrender proceeds to the extent of its net premium
outlay. In the event of a complete surrender or cancellation, the Employer shall
be entitled to recover the lesser of its net premium outlay and the surrender
value of the Policy.

6. Termination of Agreement.

   a. This Agreement shall terminate upon the date on which either party to the
      Agreement provides notice in writing to the other party of the desire to
      terminate.

   b. Within thirty (30) days following the termination of this Agreement, the
      Owner shall pay to the Employer the lesser of the surrender value of the
      Policy and Employer's net premium outlay. Upon receipt by the Employer of
      such amount, the Employer shall execute an appropriate instrument of
      release of the Assignment of the Policy.

   c. If the Owner fails to pay such amount within such thirty (30) day period,
      the Owner shall execute any and all instruments that may be required to
      vest ownership of the Policy in the Employer. Thereafter, the Owner shall
      have no further interest in the Policy.

   d. If the Owner fails to surrender the policy as specified in paragraph 6(b)
      or to execute the instruments required by paragraph 6(c) within such
      thirty (30) day period, the Employer may notify the Insurer that the
      Employer intends to exercise its rights under the Assignment. In such
      event, the Insurer shall pay to the Employer the amount specified in
      paragraph 6(b).

7. Death. Upon the death of Employee, the Employer shall receive the amount
specified in paragraph 4(b). The balance of the death benefit provided under the
Policy, if any, shall be paid directly to the beneficiary of the Policy.

8. Loans. The Owner shall have the sole right to borrow against the Policy, and
the Employer shall have no right to obtain loans against the Policy, directly or
indirectly, from the Insurer or from any other person, or to pledge or assign
the Policy as security for any loan. If the Owner in any Policy year borrows
from the Policy an amount in excess of the Owner's portion of the annual premium
for that year or the increase in the surrender value of the Policy for the year,
whichever is less, the Employer shall be entitled to receive such excess amount,
to the extent of its net premium outlay under this Agreement. The Owner shall
pay any interest due on any Policy loan it obtains.

9. Transferee. In the event Owner shall transfer all of his (or its) interest in
the Policy, then all of Owner's interest in the Policy and in this Agreement
shall be vested in his (or its)

                                       3

<PAGE>

transferee, who shall be substituted as a party under this Agreement, and the
transferring Owner shall have no further interest in the Policy or in this
Agreement.

10. Successors and Assigns. This Agreement shall bind Employer, its successors
and assigns, and Employee and Owner and their heirs, executors, administrators
and transferees, and any Policy beneficiary. The Employer agrees that it will
not merge or consolidate with another employer, corporation, or organization, or
permit its business and activities to be taken over by any other organization
unless or until the succeeding or continuing employer, corporation or other
organization shall expressly assume the rights and obligations of the Employer
set forth in this Agreement.

11. Effect on Employment. This Agreement shall not be deeme to constitute a
contract of employment between the parties, nor shall any provision restrict the
right of Employee to terminate his employment, at any time not in contravention
of any applicable employment agreement.

12. Insurer. The Insurer shall be bound only by the provisions of and
endorsements on the Policy, and any payments made or action taken by it in
accordance with the Policy shall fully discharge it from all claims, suits and
demands of all persons whatsoever. Except as specifically provided by
endorsement on the Policy and as provided in the Assignment, the Insurer shall
in no way be bound by the provisions of this Agreement.

13. Payment. It is agreed that benefits may be paid under the Policy by the
Insurer either by separate checks to the parties entitled thereto, or by joint
check. In the latter instance, the Owner and the Employer agree that benefits
shall be divided as provided herein.

14. Amendment. Except as provided in paragraph 6 and in paragraph 1 pertaining
to Exhibit A, this Agreement may not be canceled, amended, altered or modified,
except by a written instrument signed by all of the parties.

15. Notices. Any notice, consent or demand required or permitted to be given
under the provisions of this Agreement by one party to another shall be in
writing, shall be signed by the party giving or making the same, and may be
given either by delivering the same to such other party personally, or by
mailing the same, by United States certified mail, postage prepaid, to such
party, addressed to his, her or its last known address as shown on the records
of the Employer. The date of such mailing shall be deemed the date of such
mailed notice, consent or demand.

16. Gender and Number. Whenever any words are used herein in the masculine
gender, they shall be construed as though they were also used in the feminine or
neuter gender in all cases where they would so apply, and whenever any words are
used herein in the singular
                                       4

<PAGE>

or plural form, they shall be construed as though they were also used in the
other form in all cases where they would so apply.

17. Controlling Law. This Agreement, and the rights of the parties hereunder,
shall be governed by and construed pursuant to the laws of the State of Indiana
except to the extent preempted by federal law.

IN WITNESS WHEREOF, the parties have executed this Agreement effective the day
and year first above written.

Owner's Signature:
GARY C. WENDT 2000 IRREVOCABLE                  CONSECO, INC.
INSURANCE TRUST DATED 11/22/00

By: /s/ Thomas A. Roberts                       By:  /s/ James S. Adams
    ---------------------------------                --------------------------
Name:  Thomas A. Roberts                        Name:  James S. Adams
Title: Trustee                                  Title: Senior President, Chief
                                                       Accounting Officer

<PAGE>

                                    Exhibit A
                   Conseco Executive Life Insurance Agreement

Policy #                      Insurer                         Death Benefit

883215087U        Metropolitan Life Insurance Company          $1,684,898

<PAGE>

                                                                     Exhibit B

                              COLLATERAL ASSIGNMENT

THIS ASSIGNMENT, made and entered into effective the --- day of ----, 2001,
by the undersigned the Gary C. Wendt 2000 Irrevocable Insurance Trust dated
11/22/00, as owner ("Owner") of that certain Life Insurance Policy No.
883215087U issued by Metropolitan Life Insurance Company ("Insurer") and any
supplementary contracts issued in connection with such policy (said policy and
contracts herein called "Policy"), upon the life of Gary C. Wendt ("Insured"),
to Conseco, Inc., an Indiana corporation, ("Assignee").

                                   WITNESSETH:

WHEREAS, the Insured is a valued employee of the Assignee, and the Assignee
wishes to retain him in its employ;

WHEREAS, as an inducement to the Insured's continued employment, the Assignee
desires to assist the Insured with his personal life insurance program by
contributing a portion of the annual premium due on the Policy and reimbursing
General Electric Company ("GE"), one of Insured's previous employers, for
premiums previously paid by GE, as more specifically provided for in that
certain Conseco Executive Life Insurance Agreement entered into between the
Insured and the Assignee ("Agreement"); and

WHEREAS, in consideration of the Assignee's agreeing to pay a portion of the
premiums pursuant to the Agreement, the Owner agrees to assign to the Assignee
certain rights in the Policy as set forth in this Assignment.

NOW, THEREFORE, for value received, the undersigned Owner hereby assigns,
transfers and sets over to the Assignee, its successors and assigns, the
following specific rights in the Policy subject to the following terms and
conditions:

1. Assigned Rights. The Assignee's interest in the Policy shall be limited to:

   a. In the event the Policy is surrendered or cancelled by the Owner, the
      right to recover the lesser of (i) the total premiums it has paid on the
      Policy and premiums it has reimbursed to GE less amounts received under
      the Agreement from the Owner ("net premium outlay") and (ii) the "cash
      surrender value or surrender value" of the Policy (as defined in the
      Policy for all purposes hereinafter), or, in the event the Policy is
      partially surrendered or cancelled by the Owner, the right to receive the
      surrender proceeds to the extent of its net premium outlay, as provided in
      paragraph 5 of the Agreement.

   b. The right to recover the death benefit proceeds as provided in Paragraph 7
      of the Agreement.

<PAGE>

   c. The right to recover the lesser of (i) its net premium outlay and (ii) the
      surrender value of the Policy or to receive ownership of the Policy, in
      the event of termination of the Agreement, as provided in paragraphs 6(b),
      6(c) and 6(d) of the Agreement.

   d. The right to recover its net premium outlay to the extent a policy loan
      made by the Owner in any year exceeds the lesser of the Owner's portion of
      the premium for that year and the increase for that year in the surrender
      value of the Policy, as provided in Paragraph 8 of the Agreement.

2. Incidents of Ownership. The Owner shall retain all incidents of ownership in
the Policy, including, but not limited to, the sole and exclusive rights to:
borrow against the Policy; assign the Owner's interest in the Policy; change the
beneficiary of the Policy; exercise settlement options; and, subject to
paragraphs 5 and 6 of the Agreement, surrender or cancel the Policy (in whole or
in part).

3. Endorsement of Policy. If the Assignee shall have possession of the Policy at
any time while this Assignment is in force, then upon request and without
unreasonable delay, the Assignee shall forward the Policy to the Insurer for
endorsement of any designation or change of beneficiary, any election of
optional mode of settlement, or the exercise of any other right reserved by the
Owner hereunder.

4. Insurer.

   a. The Insurer is hereby authorized to recognize the Assignee's claims to
      rights under this Agreement without investigating the reason for any
      action taken by the Assignee, the amount of its net premium outlay, the
      existence of any default, the giving of any required notice or the
      application to be made by the Assignee of any amounts to be paid to the
      Assignee. The signature of the Assignee shall be sufficient for the
      exercise of any of its rights under the Assignment for the Assignee's
      receipt for any sums received by it and shall be a full discharge and
      release of such sums to the Insurer.

   b. The Insurer shall be fully protected in recognizing a request made by the
      Owner for surrender or cancellation of the Policy, in whole or in part, or
      in recognizing a request made by the Owner for any loans against the
      Policy permitted by the terms of the Policy, with or without the consent
      of the Assignee. In the event of any such request, the Insurer may pay the
      proceeds of such surrender, cancellation, or loans to the sole order of
      the Owner, or as the Owner shall direct, provided that the Owner has
      provided the requisite fifteen (15) days' notice to the Assignee required
      by paragraph 5 of the Agreement.

                                        2

<PAGE>

5. Release. Upon the full payment of the liabilities of the Owner to the
Assignee pursuant to the Agreement, the Assignee shall execute an appropriate
instrument of release of this Collateral Assignment.

IN WITNESS WHEREOF, the undersigned Owner has executed this Assignment effective
the day and year first above written.

Owner's Signature:
GARY C. WENDT 2000 IRREVOCABLE
INSURANCE TRUST DATED 11/22/00

By:
   -------------------------------------          ------------------------------
      Thomas A. Roberts, Trustee                     Witness

Recorded and Filed at the Office of Metropolitan
         The Company assumes no obligation as to the validity and sufficiency
of this agreement, and does not pass upon its legality.

on
   -----------------------------------------------------

                                        3

<PAGE>
                              COLLATERAL ASSIGNMENT

THIS ASSIGNMENT, made and entered into effective the 16th day of January, 2001,
by the undersigned the Gary C. Wendt 2000 Irrevocable Insurance Trust dated
11/22/00, as owner ("Owner") of that certain Life Insurance Policy No.
883215087U issued by Metropolitan Life Insurance Company ("Insurer") and any
supplementary contracts issued in connection with such policy (said policy and
contracts herein called "Policy"), upon the life of Gary C. Wendt ("Insured"),
to Conseco, Inc., an Indiana corporation, ("Assignee").

                                   WITNESSETH:

WHEREAS, the Insured is a valued employee of the Assignee, and the Assignee
wishes to retain him in its employ;

WHEREAS, as an inducement to the Insured's continued employment, the Assignee
desires to assist the Insured with his personal life insurance program by
contributing a portion of the annual premium due on the Policy and reimbursing
General Electric Company ("GE"), one of Insured's previous employers, for
premiums previously paid by GE, as more specifically provided for in that
certain Conseco Executive Life Insurance Agreement entered into between the
Insured and the Assignee ("Agreement"); and

WHEREAS, in consideration of the Assignee's agreeing to pay a portion of the
premiums pursuant to the Agreement, the Owner agrees to assign to the Assignee
certain rights in the Policy as set forth in this Assignment.

NOW, THEREFORE, for value received, the undersigned Owner hereby assigns,
transfers and sets over to the Assignee, its successors and assigns, the
following specific rights in the Policy subject to the following terms and
conditions:

1. Assigned Rights. The Assignee's interest in the Policy shall be limited to:

   a. In the event the Policy is surrendered or cancelled by the Owner, the
      right to recover the lesser of (i) the total premiums it has paid on the
      Policy and premiums it has reimbursed to GE less amounts received under
      the Agreement from the Owner ("net premium outlay") and (ii) the "cash
      surrender value or surrender value" of the Policy (as defined in the
      Policy for all purposes hereinafter), or, in the event the Policy is
      partially surrendered or cancelled by the Owner, the right to receive the
      surrender proceeds to the extent of its net premium outlay, as provided in
      paragraph 5 of the Agreement.

   b. The right to recover the death benefit proceeds as provided in Paragraph 7
      of the Agreement.

<PAGE>

   c. The right to recover the lesser of (i) its net premium outlay and (ii) the
      surrender value of the Policy or to receive ownership of the Policy, in
      the event of termination of the Agreement, as provided in paragraphs 6(b),
      6(c) and 6(d) of the Agreement.

   d. The right to recover its net premium outlay to the extent a policy loan
      made by the Owner in any year exceeds the lesser of the Owner's portion of
      the premium for that year and the increase for that year in the surrender
      value of the Policy, as provided in Paragraph 8 of the Agreement.

2. Incidents of Ownership. The Owner shall retain all incidents of ownership in
   the Policy, including, but not limited to, the sole and exclusive rights to:
   borrow against the Policy; assign the Owner's interest in the Policy; change
   the beneficiary of the Policy; exercise settlement options; and, subject to
   paragraphs 5 and 6 of the Agreement, surrender or cancel the Policy (in whole
   or in part).

3. Endorsement of Policy. If the Assignee shall have possession of the Policy at
   any time while this Assignment is in force, then upon request and without
   unreasonable delay, the Assignee shall forward the Policy to the Insurer for
   endorsement of any designation or change of beneficiary, any election of
   optional mode of settlement, or the exercise of any other right reserved by
   the Owner hereunder.

4. Insurer.

   a. The Insurer is hereby authorized to recognize the Assignee's claims to
      rights under this Agreement without investigating the reason for any
      action taken by the Assignee, the amount of its net premium outlay, the
      existence of any default, the giving of any required notice or the
      application to be made by the Assignee of any amounts to be paid to the
      Assignee. The signature of the Assignee shall be sufficient for the
      exercise of any of its rights under the Assignment for the Assignee's
      receipt for any sums received by it and shall be a full discharge and
      release of such sums to the Insurer.

   b. The Insurer shall be fully protected in recognizing a request made by the
      Owner for surrender or cancellation of the Policy, in whole or in part, or
      in recognizing a request made by the Owner for any loans against the
      Policy permitted by the terms of the Policy, with or without the consent
      of the Assignee. In the event of any such request, the Insurer may pay the
      proceeds of such surrender, cancellation, or loans to the sole order of
      the Owner, or as the Owner shall direct, provided that the Owner has
      provided the requisite fifteen (15) days' notice to the Assignee required
      by paragraph 5 of the Agreement.

                                       -2-

<PAGE>

5. Release. Upon the full payment of the liabilities of the Owner to the
   Assignee pursuant to the Agreement, the Assignee shall execute an appropriate
   instrument of release of this Collateral Assignment.

IN WITNESS WHEREOF, the undersigned Owner has executed this Assignment
effective the day and year first above written.

Owner's Signature:
GARY C. WENDT 2000 IRREVOCABLE
INSURANCE TRUST DATED 11/22/00

By:   /s/ Thomas A. Roberts               /s/ Mary Alice Roberts
      --------------------------          ----------------------
      Thomas A. Roberts, Trustee          Witness

Recorded and Filed at the Office of Metropolitan

         The Company assumes no obligation as to the validity and sufficiency of
this agreement, and does not pass upon its legality.

on
   -----------------------------------------------------

                                       -3-Exhibit 10.46

 

FIFTH AMENDMENT

to Seitel, Inc. Revolving Credit Agreement

 

This Fifth Amendment dated as of March 16, 2001 (this "Fifth Amendment") is among Seitel, Inc., a Delaware corporation (the "Borrower"), the lenders set forth on the signature pages hereto (the "Lenders") and Bank One, NA, formerly known as The
First National Bank of Chicago, individually and as agent for the Lenders (in such capacity, the "Agent").

FOR VALUABLE CONSIDERATION, the receipt and adequacy of which are hereby acknowledged, the parties hereto agree as follows:

1. Definitions. Unless amended pursuant hereto or unless the context otherwise requires, all terms used herein which are defined in the Revolving Credit Agreement dated as of July 22, 1996 (as amended, supplemented or otherwise modified
through the date hereof, the "Credit Agreement") among the Borrower, the Agent and the Lenders shall have the meanings assigned to them in the Credit Agreement.

2. Amendments. Upon the satisfaction of the conditions precedent set forth in Section 4 of this Fifth Amendment and effective as of the date hereof, the Credit Agreement shall be amended as follows:

(a) The definition of "Facility Termination Date" set forth in Article I of the Credit Agreement is hereby amended to read in its entirety as follows:
"'Facility Termination Date' means June 15, 2001 or any earlier date on which the Aggregate Commitment is reduced to zero or otherwise terminated pursuant to the terms hereof."

(b) The definition of "Applicable Commitment Fee" set forth in Article I of the Credit Agreement is hereby amended to read in its entirety as follows:
"'Applicable Commitment Fee' means 0.30% per annum."

(c) The definition of "Applicable Margin" set forth in Article I of the Credit Agreement is hereby amended to read in its entirety as follows:
"'Applicable Margin' means 1.25% per annum with respect to Eurodollar Loans and 0.00% per annum with respect to Floating Rate Loans."

3. Representations and Warranties. The Borrower hereby confirms, reaffirms and restates as of the date hereof the representations and warranties set forth in Article V of the Credit Agreement, provided that, with respect to the
representations and warranties set forth in Section 5.6, the reference to "March 31, 1996" therein shall be deemed to read "September 30, 1999," and with respect to the representations and warranties set forth in Section 5.15, the references to "May 1,
1997" therein shall be deemed to be a reference to the date of this Fifth Amendment."

4. Conditions Precedent. This Fifth Amendment and the amendments to the Credit Agreement provided for in Section 2 hereof shall become effective as of the date hereof when all of the following conditions precedent shall have been satisfied:

(a) The Agent shall have received counterparts of this Fifth Amendment duly executed and delivered by the Borrower and by all of the Lenders and consented to by all of the Subsidiary Guarantors.

(b) The Agent shall have received from the Borrower a certificate of a Senior Financial Officer attaching and certifying resolutions adopted by the Board of Directors of the Borrower authorizing the execution and delivery by the Borrower of this
Fifth Amendment and the extension of the Facility Termination Date provided for herein.

(c) No Default or Unmatured Default shall have occurred and be continuing.

5. Effect on the Credit Agreement. Except to the extent of the amendments expressly provided for herein, all of the representations, warranties, terms, covenants and conditions of the Loan Documents (a) shall remain unaltered, (b) shall
continue to be, and shall remain, in full force and effect in accordance with their respective terms, and (c) are hereby ratified and confirmed in all respects. Upon the effectiveness of this Fifth Amendment, all references in the Credit Agreement
(including references in the Credit Agreement as amended by this Fifth Amendment) to "this Agreement" (and all indirect references such as "hereby", "herein", "hereof" and "hereunder") shall be deemed to be references to the Credit Agreement as amended by
this Fifth Amendment.

6. Entire Agreement. This Fifth Amendment, the Credit Agreement as amended by this Fifth Amendment and the other Loan Documents embody the entire agreement and understanding among the parties hereto and supersede any and all prior
agreements and understandings between the parties hereto relating to the subject matter hereof.

7. APPLICABLE LAW. THIS FIFTH AMENDMENT SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE INTERNAL LAWS (AND NOT THE LAW OF CONFLICTS) OF THE STATE OF ILLINOIS, BUT GIVING EFFECT TO FEDERAL LAWS APPLICABLE TO NATIONAL BANKS.

8. Headings. The headings, captions and recitals used in this Fifth Amendment are for convenience only and shall not affect the interpretation of this Fifth Amendment.

9. Counterparts. This Fifth Amendment may be executed in any number of counterparts, each of which shall be deemed an original, but all of which together shall constitute one and the same instrument.

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

	
SEITEL, INC.

	
 
	
 

	
By:
	
/s/ Debra D. Valice

	
 
	
Debra D. Valice

Executive Vice President

- Chief Financial Officer

 

	
BANK ONE, NA,

f/k/a The First National Bank of Chicago and

successor by merger to Bank One, Texas, N.A.,

individually and as Agent

	
 
	
 

	
By:
	
/s/ Helen A. Carr

	
 
	
First Vice President

ACKNOWLEDGMENT AND CONSENT BY SUBSIDIARY GUARANTORS

Each of the undersigned Subsidiary Guarantors (i) acknowledges its receipt of a copy of and hereby consents to all of the terms and conditions of the foregoing Fifth Amendment, and (ii) reaffirms its obligations under the Subsidiary Guaranty dated
as of July 22, 1996 in favor of Bank One, NA, formerly known as The First National Bank of Chicago, as agent.

SEITEL DELAWARE, INC.

SEITEL GEOPHYSICAL, INC.

DDD ENERGY, INC.

SEITEL GAS & ENERGY CORP.

SEITEL POWER CORP.

SEITEL NATURAL GAS, INC.

MATRIX GEOPHYSICAL, INC.

EXSOL, INC.

DATATEL, INC.

SEITEL OFFSHORE CORP.

GEO-BANK, INC.

ALTERNATIVE COMMUNICATIONS ENTERPRISES, INC.

SEITEL INTERNATIONAL, INC.

AFRICAN GEOPHYSICAL, INC.

	
By:
	
/s/ Debra D. Valice

	
 
	
Debra D. Valice

Vice President

 

SEITEL DATA CORP.

	
By:
	
/s/ Lisa Oakes

	
 
	
Lisa Oakes

Vice President

 

SEITEL MANAGEMENT, INC.

	
By:
	
/s/ Debra D. Valice

	
 
	
Debra D. Valice

President

 

SEITEL DATA LTD.

	
By:
	
Seitel Delaware, Inc.,

its general partner

	
 
	
By:
	
/s/ Debra D. Valice

	
 
	
 
	
Debra D. Valice

Vice President

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