0001019155-03-000393 Sample Contracts

AND OWNERS AND HOLDERS OF AMERICAN DEPOSITARY RECEIPTS Amended and Restated Deposit Agreement Dated as of ____________, 2003
Deposit Agreement • September 10th, 2003 • Braskem Sa • Industrial organic chemicals • New York

AMENDED AND RESTATED DEPOSIT AGREEMENT dated as of ______________, 2003 among Braskem S.A., incorporated under the laws of the Federative Republic of Brazil (herein called the Issuer), THE BANK OF NEW YORK, a New York banking corporation (herein called the Depositary), and all Owners (as hereinafter defined) and holders from time to time of American Depositary Receipts issued hereunder.

Exhibit A to Deposit Agreement
Deposit Agreement • September 10th, 2003 • Braskem Sa • Industrial organic chemicals

The Bank of New York as depositary (hereinafter called the "Depositary"), hereby certifies that , or registered assigns IS THE OWNER OF

Braskem S.A.
Deposit Agreement • September 10th, 2003 • Braskem Sa • Industrial organic chemicals

Re: Amended and Restated Deposit Agreement dated as of ___________, 2003 (the "Deposit Agreement") by and among Braskem S.A., The Bank of New York, as Depositary, and the Owners and Beneficial Owners of American Depositary Receipts

Braskem
Deposit Agreement • September 10th, 2003 • Braskem Sa • Industrial organic chemicals