Document:

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                                                                     EXHIBIT 4.2

                             FIRST AMENDMENT TO THE
             ICO PETROCHEMICALS DIVISION SAVINGS AND INVESTMENT PLAN

ICO Worldwide, Inc. (the "Employer") having heretofore adopted the ICO
Petrochemicals 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 4.3

                             SECOND AMENDMENT TO THE
             ICO PETROCHEMICALS DIVISION SAVINGS AND INVESTMENT PLAN

ICO Worldwide, Inc. (the "Employer") having heretofore adopted the ICO
Petrochemicals 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 date 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.(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).

                  [ ]      (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: ____"

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3.       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 disabled during the
                                    Plan Year."

4.       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.

                  [ ]      (3)      The Employer will wake investment decisions
                                    with respect to Employer Matching
                                    Contributions and Qualified Matching
                                    Contributions.

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

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                  [ ]      (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.):

                                    -----

                                    -----

                                         "
                                    -----

5.       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
    ----------------------------------           -------------------------------

Print Name: Stephen E. VanBuren              Print Name: Kathleen Joyce
            --------------------------                   -----------------------

Title: Plan Administrator                    Title: Vice President
       -------------------------------              ----------------------------

Date: 12-12-01                               Date: 12-20-01
      --------------------------------             -----------------------------

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