EXHIBIT 3.15 CERTIFICATE OF CONTINUANCE THE BUSINESS CORPORATIONS ACT I hereby certify that GERDAU MRM STEEL INC. is this day continued under section 181 of the Act. Given under my hand and seal this 7th day of July, 1995 /s/ Philip J. Flory ----------------------------------- Philip J. Flory, Director ARTICLES OF CONTINUANCE The Business Corporations Act (Section 181 and 258) FORM 11 1. Name of Corporation: GERDAU MRM STEEL INC. 2. The municipality in which the registered office is to be situated: City of Regina, Province of Saskatchewan 3. The classes and any maximum number of share that the corporation is authorized to issue: an unlimited number of common shares 4. Restrictions, if any, on share transfers: No transfer of shares of the Corporation shall be valid nor shall it be registered on the securities register of the Corporation until a majority of the directors have consented thereto, by either resolution or instrument in writing. 5. Number (or minimum and maximum number) of directors minimum of 1; maximum of 10 6. Restrictions, if any, on businesses the corporation may carry on or on powers the corporation may exercise: none 7. Other provisions if any: (a) The number of shareholders of the Corporation, exclusive of persons who are in its employment and exclusive of persons who, having been formerly in the employment of the Corporation, were, while in that employment, and have continued after the termination of that employment to be, shareholders of the Corporation, is limited to not more than fifty, two or more persons who are the joint registered owners of one or more shares being counted as one shareholder. (b) Any invitation to the public to subscribe for any securities of the Corporation is prohibited. Date Name Office Held Signature July 6, 1995 Glen Beeby Vice-President, Finance /s/ Glen Beeby POWER OF ATTORNEY The Business Corporations Act (Section 268) FORM o Know all men by these presents that GERDAU MRM STEEL INC. (hereinafter call the "corporation") hereby appoints: FRED McBETH 700, 2103-11th Avenue Regina, Sask. S4P 4G1 - --------------------------------------------------- ------------------------------------------------------ Name of Attorney in full Business address in full - --------------------------------------------------- ------------------------------------------------------ Name of Attorney in full Business address in full - --------------------------------------------------- ------------------------------------------------------ Name of Attorney in full Business address in full - --------------------------------------------------- ------------------------------------------------------ Name of Attorney in full Business address in full to act as its attorney for the purpose of receiving service of process in all suits and proceedings by or against the corporation within Saskatchewan and for the purpose of receiving all lawful notices; and the corporation does hereby declare that service of process in respect of such suits and proceedings, and of such notices, upon the attorney are legal and binding to all intents and purposes whatsoever. Where more than one person is hereby appointed, attorney, any one of them, without the others, may act as true and lawful attorney of the corporation. This appointment revokes all previous appointments. Date Name Office Held Signature July 6, 1995 Glen Beeby Vice-President, Finance /s/ Glen Beeby Consent to act as Attorney I, FRED McBETH, of 700, 2103-11th Avenue, Regina, Sask. S4P 4G1 hereby consent to act as the attorney pursuant to the aforementioned power of attorney. Dated this 7th day of July, 1995 /s/ Fred McBeth ------------------------------ Signature of Attorney NOTICE OF DIRECTORS The Business Corporations Act (Section 101 and 108) FORM 6 1. Name of Corporation: GERDAU MRM STEEL INC. 2. On the day of , 19 , the following persons ceased to be directors of the corporation: Full name Address Occupation Resident Canadian (yes or no) --------- ------- ---------- ----------------------------- n/a 3. On the day of , 19 , the following persons became directors of the corporation: Full name Address Occupation Resident Canadian (yes or no) --------- ------- ---------- ----------------------------- n/a 4. The directors of the corporation are: Full name Address Occupation Resident Canadian (yes or no) --------- ------- ---------- ----------------------------- Paul A. Kelly 616 Eastgate Walk Executive yes Waterloo, Ontario N2K 2W3 Date Name Office Held Signature July 6, 1995 Glen Beeby Vice-President, Finance /s/ Glen Beeby NOTICE OF REGISTERED OFFICE The Business Corporations Act (Section 19(2) and (4)) FORM 3 1. Name of Corporation: GERDAU MRM STEEL INC. 2. Location of registered office: Bank of Montreal Building 700-2103 11th Avenue Regina, Saskatchewan S4P 4G1 3. Mailing address of registered office including postal code: Bank of Montreal Building 700-2103 11th Avenue Regina, Saskatchewan S4P 4G1 4. Effective date: date of filing of articles of continuance Date Name Office Held Signature July 6, 1995 Glen Beeby Vice-President, Finance /s/ Glen Beeby STATEMENT ON CONTINUANCE The Business Corporations Act FORM 28 1. Name of Corporation: GERDAU MRM STEEL INC. 2. Corporate History: - incorporated pursuant to the Canada Business Corporations Act on September 27, 1994 - June 14, 1995 Certificate of Amendment issued changing name to Gerdau MRM Steel Inc. 3. Main types of business carried on: (a) manufacture of steel reinforcement bars and other steel products 4. Other information: Date Name Office Held Signature July 6, 1995 Glen Beeby Vice-President, Finance /s/ Glen Beeby CERTIFICATE OF AMENDMENT THE BUSINESS CORPORATIONS ACT I certify that GERDAU AMERISTEEL MRM INC. (formerly) GERDAU MRM STEEL INC. has amended its Articles in accordance with the attached. Given under my hand and seal this 15th day of January, 2003 Philip J. Flory -------------------------------------- Director of Corporations ARTICLES OF AMENDMENT The Business Corporations Act (Section 167 and 168) FORM 4 1. Name of Corporation: GERDAU MRM STEEL INC. Corporation No.: 611830 2. The articles of the corporation are amended as follows: Article (1) stating the name of the corporation be changed to "Gerdau Ameristeel MRM Inc." 3. Each amendment has been duly authorized pursuant to the requirements of the Act. DATE NAME OFFICE HELD SIGNATURE January 13, 2003 Glen A. Beeby Secretary /s/ Glen A. Beeby CERTIFICATE OF AMENDMENT THE BUSINESS CORPORATIONS ACT I certify that GERDAU AMERISTEEL MRM SPECIAL SECTIONS INC. (formerly) GERDAU AMERISTEEL MRM INC. has amended its Articles in accordance with the attached. Given under my hand and seal this 25th day of February, 2003 Philip J. Flory ---------------------------------- Director of Corporations ARTICLES OF AMENDMENT The Business Corporations Act (Section 167 and 168) FORM 4 4. Name of Corporation: GERDAU AMERISTEEL MRM INC. Corporation No.: 611830 5. The articles of the corporation are amended as follows: Article (1) stating the name of the corporation be changed to "GERDAU AMERISTEEL MRM SPECIAL SECTIONS INC." 6. Each amendment has been duly authorized pursuant to the requirements of the Act. DATE NAME OFFICE HELD SIGNATURE February 25, 2003 Glen Beeby Secretary /s/ Glen Beeby