Document:

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                                                                     EXHIBIT 4.6

                             FIRST AMENDMENT TO THE
             OILFIELD SERVICES DIVISION SAVINGS AND INVESTMENT PLAN

ICO Worldwide, Inc. (the "Employer") having heretofore adopted the Oilfield
Services Division Savings and Investment Plan, a prototype plan document
consisting of the Plan Agreement #001 and the Putnam Basic Plan Document #07
(the "Plan") effective as of April 3, 2000, pursuant to the power reserved to
the Employer in Section 17.1 of the Plan, hereby amends the Plan Agreement as
set forth below.

1.   Subsection D. of Section 10., of the Plan Agreement is hereby amended
     effective January 26, 2001, by striking said subsection in its entirety and
     by substituting the following new paragraph in lieu thereof:

         "D.      Employer Stock. (Skip this paragraph if you did not designate
                  Employer Stock as an investment under the Service Agreement.)

                  (1)      Voting. Employer Stock will be voted as follows:

                           [ ]      (a)      In accordance with the Employer's
                                             instructions.

                           [X]      (b)      In accordance with the
                                             Participant's instructions.
                                             Participants are hereby appointed
                                             named fiduciaries for the purpose
                                             of the voting of Employer Stock in
                                             accordance with Plan Section 13.8.

                  (2)      Tendering. Employer stock will be tendered as
                           follows:

                           [ ]      (a)      In accordance with the Employer's
                                             instructions.

                           [X]      (b)      In accordance with the
                                             Participant's instructions.
                                             Participants are hereby appointed
                                             named fiduciaries for the purpose
                                             of the tendering of Employer Stock
                                             in accordance with Plan Section
                                             13.8."

2.   In all other respects, the Plan provisions remain in full force and effect.

IN WITNESS, WHEREOF, the Employer has caused the First Amendment to the Plan to
be duly executed in its name and behalf and its corporate seal to be affixed as
of the date signed below.

ATTEST:

ICO WORLDWIDE, INC.                          PUTNAM FIDUCIARY TRUST COMPANY

By: /s/ JON BIRO                             By: /s/ TINA A. CAMPBELL
    ---------------------------------            -------------------------------

Print Name: Jon Biro                         Print Name: Tina A. Campbell
            -------------------------                    -----------------------

Title: Director                              Title: SVP Compliance & Consulting
       ------------------------------               ----------------------------

Date: 2-8-01                                 Date: 3/1/01
      -------------------------------              -----------------------------<PAGE>
                                                                     EXHIBIT 4.7

                            SECOND AMENDMENT TO THE
             OILFIELD SERVICES DIVISION SAVINGS AND INVESTMENT PLAN

ICO Worldwide, Inc. (the "Employer") having heretofore adopted the Oilfield
Services Division Savings and Investment Plan, a prototype plan document
consisting of the Plan Agreement #001 and the Putnam Basic Plan Document #07
(the "Plan") effective as of April 3, 2000, pursuant to the power reserved to
the Employer in Section 17.1 of the Plan, hereby amends the Plan Agreement as
set forth below.

1.   Subsection C.(8) of Section 3., of the Plan Agreement is hereby amended
     effective October 1, 2001, by striking said subsection in its entirety and
     by substituting the following new paragraph in lieu thereof:

         "(8)  Entry Dates. Each employee in an eligible class who completes the
               age and service requirements specified above will begin to
               participate in the Plan on (check one):

               [ ]  (a)  The first day of the month in which he fulfills the
                         requirements.

               [X]  (b)  The first of the following dates occurring after he
                         fulfills the requirements (check one):

                         [X]  (i)    The first day of the month following the
                                     dates he fulfills the requirements
                                     (monthly).

                         [ ]  (ii)   The first day of the first, fourth, seventh
                                     and tenth months in a Plan Year
                                     (quarterly).

                         [ ]  (iii)  The first day of the first month and the
                                     seventh month in a Plan Year
                                     (semiannually).

               [ ]  (c)  Other:  _____ (May be no later than (i) the first day
                         of the Plan Year after which he fulfills the
                         requirements, and (ii) the date six months after the
                         date on which he fulfills the requirements, which ever
                         occurs first.)"

2.   Subsection A.(1) of Section 4., of the Plan Agreement is hereby amended
     effective October 1, 2001, by striking said subsection in its entirety and
     by substituting the following new paragraph in lieu thereof:

         "(1)  A Participant may make Elective Deferrals for each year in an
               amount not to exceed (check one):

               [X]  (a)  15% of his Earnings

               [ ]  (b)  ___% of his Earnings not to exceed $___ (specify a
                         dollar amount)

               [ ]  (c)  $___ (specify a dollar amount."

3.   Subsection A.(3) of Section 4., of the Plan Agreement is hereby amended
     effective October 1, 2001, by striking said subsection in its entirety and
     by substituting the following new paragraph in lieu thereof:

         "(3)  A Participant may begin to make Elective Deferrals, or change the
               amount of his Elective Deferrals, as of the following dates
               (check one):

               [X]  (a)  First business day of each month (monthly).

               [ ]  (b)  First business day of the first, fourth, seventh and
                         tenth months of the Plan Year (quarterly).
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              [ ]  (c)   First business day of the first and seventh months of
                         the Plan Year (semiannually).

              [ ]  (d)   First business day of the Plan Year only (annually).

              [ ]  (e)   Other: ___________"

4.   Subsection B.(2) of Section 4., of the Plan Agreement is hereby amended
     effective October 1, 2001, by striking said subsection in its entirety and
     by substituting the following new paragraph in lieu thereof:

       "(2)   Qualified Participant. In order to receive an allocation of
              Employer Matching Contributions for a Plan Year, an Employee must
              be a Qualified Participant for that purpose. Select below either
              (a) alone, or any combination of (b), (c) and (d).

              [ ]  (a)   To be a Qualified Participant eligible to receive
                         Employer Matching Contributions for a Plan Year, an
                         Employee must (check (i) or (ii)):

                         [ ]  (i)   Either be employed on the last day of the
                                    Plan Year, complete more than 500 Hours of
                                    Service in the Plan Year, or retire, die or
                                    become disabled in the Plan Year.

                         [ ]  (ii)  Either be employed on the last day of the
                                    Plan Year or complete more than 500 Hours of
                                    Service in the Plan Year.

              Stop here if you checked (a). If you did not check (a), check (b),
              (c) or (d) or any combination of (b), (c) and (d).

              To be a Qualified Participant eligible to receive Employer
              Matching Contributions for a Plan Year, an Employee must:

              [X]  (b)   Be credited with 1 (choose 1, 501 or 1,000) Hours of
                         Service in the Plan Year.

              [ ]  (c)   Be an Employee on the last day of the Plan Year.

              [X]  (d)   Retire, die or become disable during the Plan Year."

5.   Subsection B. of Section 10., of the Plan Agreement is hereby amended
     effective October 1, 2001, by striking said subsection in its entirety and
     by substituting the following new paragraph in lieu thereof:

       "B.    Instructions (Plan Section 13.3). Investment instructions for
              amounts held under the Plan generally will be given by each
              Participant for his own Accounts and delivered to Putnam as
              indicated in the Service Agreement between Putnam and the
              Employer. Check below only if the Employer will make investment
              decisions under the Plan with respect to the following
              contributions made to the Plan. (Check all applicable options.)

              [ ]  (1)   The Employer will make all investment decisions with
                         respect to all employee contributions, including
                         Elective Deferrals, Participant Contributions,
                         Deductible Employee Contributions and Rollover
                         Contributions.

              [ ]  (2)   The Employer will make all investment decisions with
                         respect to all Employer contributions, including Profit
                         Sharing Contributions, Employer Matching Contributions,
                         Qualified Matching Contributions and Qualified
                         Nonelective Contributions.

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         [ ]  (3)   The Employer will make investment decision, with respect to
                    Employer Matching Contributions and Qualified Matching
                    Contributions.

         [ ]  (4)   The Employer will make investment decisions with respect to
                    Qualified Nonelective Contributions.

         [ ]  (5)   The Employer will make investment decisions with respect to
                    Profit Sharing Contributions.

         [ ]  (6)   Other (Describe. An Employer may elect to make investment
                    decisions with respect to a specified portion of a specific
                    type of contribution to the Plan.):

                    ----

                    ----
                        "
                    ----
6. In all other respects, the Plan provisions remain in full force and effect.

IN WITNESS, WHEREOF, the Employer has caused the Second Amendment to the Plan to
be duly executed in its name and behalf and its corporate seal to be affixed as
of the date signed below.

ICO WORLDWIDE, INC.                          PUTNAM FIDUCIARY TRUST COMPANY

By: /s/ STEPHEN E. VANBUREN                  By: /s/ KATHLEEN JOYCE
    -----------------------------                -----------------------------
Printe Name: Stephen E. VanBuren             Printe Name: Kathleen Joyce
             --------------------                         --------------------
Title: Plan Administrator                    Title: Vice President
       --------------------------                   --------------------------
Date: 12-12-01                               Date: 12-20-01
      ---------------------------                  ---------------------------

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