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 o    Form 40-F þ

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): o

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): o

Indicate by check mark whether by furnishing the information contained in this Form, the registrant is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934:

Yes o    No þ

If “Yes” is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): 82-          

Exhibits 99.1 and 99.2 to this report, furnished on Form 6-K, shall be incorporated by reference into each of the Registration Statements under the Securities Act of 1933 of the registrant: Form S-8 (File Nos. 333-124218, 333-85598 and 333-13956) and Form F-9 (File Nos. 333-113732 and 333-118737).