SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2004 COMMISSION FILE No. 1-31690 TRANSCANADA CORPORATION (TRANSLATION OF REGISTRANT'S NAME INTO ENGLISH) 450 - 1 STREET S.W., CALGARY, ALBERTA, T2P 5H1, CANADA (ADDRESS OF PRINCIPAL EXECUTIVE OFFICES) (Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F) Form 20-F Form 40-F X ----- ----- (Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.) Yes No X ----- ----- I The Shareholder Rights Plan Agreement between the Registrant and Computeshare Trust Company of Canada dated April 23, 2004 and as filed as Exhibit 1 to this Form 6-K is hereby filed with the Securities and Exchange Commission for the purpose of being and hereby is incorporated by reference into the following registration statements filed by TransCanada Corporation under the Securities Act of 1933, as amended. FORM REGISTRATION NO. ---- ---------------- S-8 33-00958 S-8 333-5916 S-8 333-8470 S-8 333-9130 F-3 33-13564 F-3 333-6132 II A copy of the Registrant's Report of Voting Results at the Annual and Special Meeting of Holders of Common Shares held on April 23, 2004 and listed in the Exhibit Index to this Form 6-K is furnished herewith. This Report of Voting Results is being furnished, not filed and will not be incorporated by reference into any registration statement filed by TransCanada Corporation under the Securities Act of 1933, as amended. SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. TRANSCANADA CORPORATION By: /s/ Russell K. Girling ------------------------------------ Russell K. Girling, Executive Vice-President, Corporate Development and Chief Financial Officer By: /s/ Rhondda E.S. Grant ------------------------------------ Rhondda E.S. Grant Vice-President and Corporate Secretary April 29, 2004 EXHIBIT INDEX 1 Shareholder Rights Plan Agreement between the Registrant and Computershare Trust Company of Canada dated April 23, 2004 2 Registrant's Report of Voting Results at the Annual and Special Meeting of Holders of Common Shares held on April 23, 2004.