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EXHIBIT 10.12(g) SEVENTH AMENDMENT TO THE
STERLING CHEMICALS, INC.
SIXTH AMENDED AND RESTATED
SAVINGS AND INVESTMENT PLAN W I T N E S S E T H: WHEREAS, Sterling Chemicals, Inc. (the Employer) presently maintains the Sterling Chemicals,
Inc. Sixth Amended and Restated Savings and Investment Plan (the Plan); and WHEREAS, the Employer, pursuant to Section 16.01 of the Plan, has the right to amend the Plan
from time to time subject to certain limitations. NOW, THEREFORE, the Plan is hereby amended in the following manner: 1. Effective as of January 1, 2005, Section 4.02(b) of the Plan is hereby amended in its
entirety to read as follows: (b) Except as otherwise provided in Article V or Article VI, for each pay
period, the Employers will make Employer Matching Contributions under this Plan in
an amount equal to:  (i)
    for Participants who (A) are part of a collective
bargaining unit and who were hired prior to June 1, 2004 or (B) are
rehired by an Employer on or after June 1, 2004 and who must
participate or accrue a benefit in the Sterling Chemicals, Inc. Amended
and Restated Hourly Paid Employees Pension Plan or the Sterling
Chemicals, Inc. Amended and Restated Salaried Employees Pension Plan
after they are rehired on or after June 1, 2004 due to the requirements
of the break-in-service rules under Section 410(a)(5) of the Code or
Section 202(b) of ERISA with respect to service performed on or after
June 1, 2004, 50% of the Pre-Tax Matched Contributions and After-Tax
Matched Contributions made for such pay period minusthe aggregate
amounts of any outstanding Forfeitures; and(ii)
    for all other Participants, 100% of the Pre-Tax Matched
Contributions and After-Tax Matched Contributions made for such pay
period minusthe aggregate amounts of any outstanding Forfeitures.




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Employer Matching Contributions for any pay period shall be paid to the Trustee at
the same time and in the same manner as Pre-Tax Matched Contributions and After-Tax
Matched Contributions are paid to the Trustee. 2. Effective as of January 1, 2005, Section 5.02 of the Plan is hereby amended in its entirety
to read as follows: Section 5.02. Pre-Tax Contributions. Each Participant shall specify
the amount by which his or her Eligible Earnings shall be reduced by his or her
Employer and contributed to this Plan on his or her behalf; provided, however, that
such Participant may not direct that more than 20% of his or her Eligible Earnings
be contributed to this Plan as Pre-Tax Contributions or After-Tax Contributions, on
a combined basis. For purposes of this Plan, the term Pre-Tax Matched
Contributions means:  (i)
    for Participants who (A) are part of a collective
bargaining unit and who were hired prior to June 1, 2004 or (B) are
rehired by an Employer on or after June 1, 2004 and who must
participate or accrue a benefit in the Sterling Chemicals, Inc. Amended
and Restated Hourly Paid Employees Pension Plan or the Sterling
Chemicals, Inc. Amended and Restated Salaried Employees Pension Plan
after they are rehired on or after June 1, 2004 due to the requirements
of the break-in-service rules under Section 410(a)(5) of the Code or
Section 202(b) of ERISA with respect to service performed on or after
June 1, 2004, 7% of the Participants contributions based upon his or
her Eligible Matched Earnings; and(ii)
    for all other Participants, 6% of the Participants
contributions based upon his or her Eligible Matched Earnings. Pre-Tax Matched Contributions shall be contributed by the Employer on behalf of a
Participant to such Participants Pre-Tax Matched Contributions Account. All
remaining Pre-Tax Contributions made by the Employer on behalf of such Participant
shall be considered Pre-Tax Supplemental Contributions and shall be
contributed by the Employer on behalf of such Participant to such Participants
Pre-Tax Supplemental Contributions Account. 3. Effective as of January 1, 2005, Section 6.02 of the Plan is hereby amended in its entirety
to read as follows: Section 6.02. After Tax Contributions. Each Participant shall specify
the percentage of his or her Eligible Earnings to be contributed to this Plan;
provided, however, that such Participant may not direct that more than 20% of his or
her Eligible Earnings be contributed as After-Tax Contributions or Pre-Tax 2




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Contributions, on a combined basis. For purposes of this Plan, the term
After-Tax Matched Contributions means:  (i)
    for Participants who (A) are part of a collective
bargaining unit and who were hired prior to June 1, 2004 or (B) are
rehired by an Employer on or after June 1, 2004 and who must
participate or accrue a benefit in the Sterling Chemicals, Inc. Amended
and Restated Hourly Paid Employees Pension Plan or the Sterling
Chemicals, Inc. Amended and Restated Salaried Employees Pension Plan
after they are rehired on or after June 1, 2004 due to the requirements
of the break-in-service rules under Section 410(a)(5) of the Code or
Section 202(b) of ERISA with respect to service performed on or after
June 1, 2004, 7% of the Participants After-Tax Contributions based
upon his or her Eligible Matched Earnings; provided, however, that if
the sum of a Participants After-Tax Matched Contributions plussuch
Participants Pre-Tax Matched Contributions exceeds 7% of such
Participants Eligible Matched Earnings, such Participants After-Tax
Matched Contributions shall be reduced until such sum equals 7% of such
Participants Eligible Matched Earnings; and(ii)
    for all other Participants, 6% of the Participants
contributions based upon his or her Eligible Matched Earnings;
provided, however, that if the sum of a Participants After-Tax Matched
Contributions plussuch Participants Pre-Tax Matched Contributions
exceeds 6% of such Participants Eligible Matched Earnings, such
Participants After-Tax Matched Contributions shall be reduced until
such sum equals 6% of such Participants Eligible Matched Earnings. After-Tax Matched Contributions shall be contributed by the Employer on behalf
of a Participant to such Participants After-Tax Matched Contributions Account. All
remaining After-Tax Contributions made by the Employer on behalf of such Participant
shall be considered After-Tax Supplemental Contributions and shall be
contributed by the Employer on behalf of such Participant to such Participants
After-Tax Supplemental Contributions Account. 3




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IN WITNESS WHEREOF, the Employer has executed this Seventh Amendment to the Sterling
Chemicals, Inc. Sixth Amended and Restated Savings and Investment Plan on the ___day of
___, 2005. STERLING CHEMICALS, INC.ByName:Title
 4