Common use of Exchange Restrictions Clause in Contracts

Exchange Restrictions. Investments in the Sponsor Stock Fund will consist primarily of shares of Sponsor Stock. In order to satisfy daily Participant requests for exchanges, loans and withdrawals, the Stock Fund will also hold cash or other short-term liquid investments in an amount that has been agreed to in writing by the Sponsor and the Trustee. The Trustee will be responsible for ensuring that the percentage of these investments falls within the agreed upon range over time. However, if there is insufficient liquidity in the Sponsor Stock Fund to allow for such activity, the Trustee will sell shares of Sponsor Stock in the open market. Exchange and redemption transactions will be processed as soon as proceeds from the sale of Sponsor Stock are received. QUANEX CORPORATION By: _____________________ Date

Exchange Restrictions. Investments in the Sponsor Stock Fund will consist primarily of shares of Sponsor Stock. In However, in order to satisfy daily Participant participant requests for exchanges, loans and withdrawals, the Stock Fund will also hold cash or other short-term liquid investments in an amount that has been agreed to in writing by the Sponsor and the Trustee. The Trustee will be responsible for ensuring that the percentage of these investments falls within the agreed upon range over time. However, if there is insufficient liquidity in the Sponsor Stock Fund to allow for such activity, the Trustee will sell shares of Sponsor Stock in the open market. Exchange and redemption transactions will be processed as soon as proceeds from the sale of Sponsor Stock are received. QUANEX CORPORATION 20TH CENTURY INDUSTRIES By: _____________________ Date----------------------- Date By: ---------------------- Date 37 SCHEDULE "I" OPERATIONAL GUIDELINES FOR NON-FIDELITY MUTUAL FUNDS PRICING

Exchange Restrictions. Investments in the Sponsor Stock Fund will consist primarily of shares of Sponsor Stock. In However, in order to satisfy daily Participant participant requests for exchanges, loans and withdrawals, the Stock Fund will also hold cash or other short-term liquid investments in an amount that has been agreed to in writing by the Sponsor and the Trustee. The Trustee will be responsible for ensuring that the percentage of these investments falls within the agreed upon range over time. However, if there is insufficient liquidity in the Sponsor Stock Fund to allow for such activity, the Trustee will sell shares of Sponsor Stock in the open market. Exchange and redemption transactions will be processed as soon as proceeds from the sale of Sponsor Stock are received. QUANEX CORPORATION By: _____________________ BANK UNITED By /s/ SIG. ILLEGIBLE 6/25/99 Date