Exhibit 10.15
  SUPPLEMENTAL PENSION PLAN




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PageSECTION 1 GENERAL
    
    
    11.1 History, Purpose and Effective Date
    
    
    11.2 Related Companies and Employers
    
    
    21.3 Definitions
    
    
    21.4 Plan Administration
    
    
    21.5 Source of Benefit Payments
    
    
    21.6 Applicable Laws
    
    
    31.7 Gender and Number
    
    
    31.8 Claims and Review Procedures
    
    
    3SECTION 2 PARTICIPATION
    
    
    32.1 Participation
    
    
    32.2 Plan Not Contract of Employment
    
    
    3SECTION 3 AMOUNT AND PAYMENT OF SUPPLEMENTAL PENSION
BENEFITS
    
    
    33.1 Amount of Supplemental Pension Benefit
    
    
    33.2 Transition Period Election of Benefit Commencement Date
    
    
    43.3 Election to Defer Benefit Commencement Date
    
    
    43.4 Distribution of Supplemental Pension Benefits
    
    
    53.5 Form of Payment
    
    
    53.6 Distribution of Small Amounts
    
    
    63.7 Reemployment
    
    
    63.8 Survivor Benefit
    
    
    73.9 Time of Payment of Survivor Benefit
    
    
    73.10 Actuarial Equivalence
    
    
    73.11 Deferred Commencement of Payments Upon Separation From Service
    
    
    73.12 Distributions Upon Income Inclusion Under Section 409A
    
    
    8SECTION 4 ADDITIONAL PROVISIONS
    
    
    84.1 Payment of Benefit in the Event of Disability
    
    
    84.2 Benefits Not Transferable
    
    
    84.3 Tax Treatment and Withholding
    
    
    8




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PageSECTION 5 AMENDMENT AND TERMINATION
    
    
    85.1 Amendment.
    
    
    85.2 Termination
    
    
    85.3 Rights Not Limited by Section 409A
    
    
    9




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SUPPLEMENTAL PENSION PLAN
 SECTION 1
 General
 History. Purpose and Effective Date.
 (a)
    
    The Plan as set forth herein shall apply to benefits under the Plan, the
payment of which commences on or after the Effective Date. Benefits for
which payments commence prior to the Effective Date shall be determined in
accordance with the provisions and administration of the Plan prior to the
Effective Date, taking into account the provisions of paragraph (b) next
below.(b)
    
    It is the intention that all amounts deferred under the Plan will be subject
to the provisions of section 409A of the Code and applicable guidance issued
thereunder (Section 409A), regardless of whether such amounts were deferred
(within the meaning of Section 409A) on, prior to, or after January 1, 2005;
provided, however, that amounts deferred as of




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December 31, 2004 with respect to Participants who terminated employment on
or before December 31, 2004 and for whom no amounts are deferred after
December 31, 2004 are not intended to be subject to the provisions of
Section 409A, and such amounts shall continue to be subject to the terms and
conditions of the Plan as in effect prior to January 1, 2005.
  Related Companies and Employers.
 Definitions.
 Plan Administration.
 Source of Benefit Payments.




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Applicable Laws.
 Gender and Number.
 Claims and Review Procedures.
 SECTION 2
 Participation
 Participation.
 Plan Not Contract of Employment.
 SECTION 3
 Supplemental Pension Benefits
 Amount of Supplemental Pension Benefit.
 (a)
    
    the amount of the benefit (expressed as a single life annuity), if any, which
the Participant would be entitled to receive under the Qualified Plan
commencing on such Benefit Commencement Date (whether or not benefits under
the Qualified Plan actually commence on such date), if the Qualified Plan
benefit were determined without regard to the Code Limitations;
 REDUCED BY




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(b)
    
    the amount of the benefit (expressed as a single life annuity) which the
Participant would be entitled to receive under the Qualified Plan if the
Qualified Plan benefit commenced on such Benefit Commencement Date (whether
or not benefits under the Qualified Plan actually commence on such date).
 Transition Period Election of Benefit Commencement Date.
 (a)
    
    an election pursuant to this subsection 3.2 shall be available only to the
extent that payment would not otherwise commence in the year in which the
election is made;(b)
    
    such election shall not be effective if it would cause payment to
commence in the year in which the election is made that would not otherwise
commence in such year; and(c)
    
    as provided in subsection 3.11, the earliest date that benefits may
commence shall be the first day of the seventh calendar month after the
calendar month in which occurs the Participants Separation from Service
(as defined below).
   Election to Defer Benefit Commencement Date.
 (a)
    
    such election shall not be effective unless it is made in writing at least 12
months prior to the date on which the Participants benefits would have




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commenced had an election pursuant to this subsection 3.3 not been made; and(b)
    
    the election must delay the earliest age at which the Participants benefits
are to commence by at least five years (but not beyond age 65) from the age
at which the Participants benefits would have commenced in the absence of an
election under this subsection 3.3.
  Distribution of Supplemental Pension Benefits.
 (a)
    
    If a Participant is eligible to file, and timely does file, an election as to the
time of payment in accordance with subsection 3.2 of the Plan, the
Participants Benefit Commencement Date shall be the date elected by the
Participant in accordance with subsection 3.2 (but no earlier than the first
day of the calendar month following the calendar month in which the
Participants Separation from Service occurs).(b)
    
    If the Participant fails to timely file, or is not eligible to file, an election
as to the time of payment in accordance with subsection 3.2, and, on his Separation
from Service, he is eligible for an Early Retirement Income under the Qualified Plan,
the Participants Benefit Commencement Date shall be the later of (i) the first day
of the calendar month following the calendar month in which the Participant attains
age 60 or such later age (if any) as is elected by the Participant in accordance with
subsection 3.3; or (ii) the first day of the calendar month following the calendar
month in which the Participants Separation from Service occurs.(c)
    
    If the Participant fails to timely file, or is not eligible to file, an election
as to the time of payment in accordance with subsection 3.2, and, on his
Separation from Service, he is not eligible for an Early Retirement Income
under the Qualified Plan, the Participants Benefit Commencement Date shall
be the later of (i) the first day of the calendar month following the
calendar month in which the Participant attains age 65 or (ii) the first day
of the calendar month following the calendar month in which the Participants
Separation from Service occurs.
 Form of Payment.
 (a)
    
    If a Participant is not married on his Benefit Commencement Date,
payment will be made in the form of a single life annuity, unless the




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Participant elects, in accordance with paragraph (c) next below, to have his
benefit paid in another actuarially equivalent form of life annuity.(b)
    
    If a Participant is married on his Benefit Commencement Date, payment
will be made in the form of a Surviving Spouse Annuity which is actuarially
equivalent to the Participants single life annuity, unless the Participant
elects, in accordance with paragraph (c) next below to have his benefit paid
in another form of actuarially equivalent life annuity.(c)
    
    At any time before the date on which payment commences, a Participant
may
 (i)
    
    elect that his Supplemental Pension Benefit be paid in any other
form of life annuity available under the Qualified Plan that is
actuarially equivalent to the Participants single life annuity; and(ii)
    
    choose a contingent annuitant other than his spouse for any such
form of payment that allows the Participant to designate a
contingent annuitant.
  Distribution of Small Amounts.
 (a)
    
    the value (determined as of the Participants Benefit Commencement
Date) of the Participants Supplemental Pension Benefit does not exceed the
applicable dollar amount in effect under section 402(g)(l)(B) of the Code;
and(b)
    
    such lump sum payment results in the termination and liquidation of the
Participants entire interest in the Plan.
  Reemployment.




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Survivor Benefit.
 (a)
    
    In the case of a Participant who dies on or after the
earliest date on which
Plan benefits would have commenced to him had he incurred a Separation from
Service, the Survivor Benefit shall be an amount equal to 50% of the monthly
Supplemental Pension Benefit to which the Participant would have been
entitled had he commenced receipt of his Supplemental Pension Benefit as of
the date as of which payment of the Survivor Benefit commences in accordance
with subsection 3.9 and had his benefits been paid in the form of a Surviving
Spouse Annuity.(b)
    
    In the case of a Participant who dies before the earliest date on which Plan
benefits would have commenced to him had he incurred a Separation from Service, the
Survivor Benefit shall be an amount equal to 50% of the monthly Supplemental Pension
Benefit to which the Participant would have been entitled had he terminated
employment on the date of death (or the date of his actual termination of employment,
if earlier), survived to the date that would have been his Benefit Commencement Date,
and commenced receipt of his Supplemental Pension Benefit as of that date in the form
of a Surviving Spouse Annuity (disregarding any otherwise applicable requirement to
defer commencement to the first day of the seventh month after a Separation from
Service).
 Time of Payment of Survivor Benefit.
 Actuarial Equivalence.
 Deferred Commencement of Payments Unon Separation From Service.




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Distributions Upon Income Inclusion Under Section 409A.
 SECTION 4
 Additional Provisions
 Payment of Benefit in the Event of Disability.
 Benefits Not Transferable.
 Tax Treatment and Withholding.
 SECTION 5
 Amendment and Termination
 Amendment.
 Termination.




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(a)
    
    the date it is terminated by that Employer if advance written notice of the
termination is given to the other Employers;(b)
    
    the date the Employer is judicially declared bankrupt or insolvent; or(c)
    
    the dissolution, merger, consolidation or reorganization of the Employer,
or the sale by the Employer of all or substantially all of its
assets, except that, with the consent of the Company, in any such
event arrangements may be made whereby the Plan will be continued by
any successor to the Employer or any purchaser of all or
substantially all of the Employers assets, in which case the
successor or purchaser will be substituted for the Employer under the
Plan.
  Rights Not Limited by Section 409A.
 12th November, 2008
 A. M. CASTLE & CO.By:
    
    /s/ Paul J. WinsauerPrinted:
    
    Paul J. WinsauerTitle:
    
    VP  Human Resources