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OMB APPROVAL
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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G - Amendment No. 3
Under the Securities Exchange Act of 1934
TransAlta Corporation
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(Name of Issuer)
Common Shares
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(Title of Class of Securities)
89346D107
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(CUSIP Number)
December 31, 2006
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(Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:
|_| Rule 13d-1(b)
|X| Rule 13d-1(c)
|_| Rule 13d-1(d)
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*The remainder of this cover page shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities, and
for any subsequent amendment containing information which would alter the
disclosures provided in a prior cover page.
The information required in the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the Securities Exchange Act of
1934 ("Act") or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act (however, see the
Notes).
Sec 1745 (6/01)
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CUSIP No. 89346D107 13G
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1. NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
Canada Pension Plan Investment Board / Not applicable
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2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
(a) |_|
Not applicable (b) |_|
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3. SEC USE ONLY
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4. CITIZENSHIP OR PLACE OF ORGANIZATION
Canada
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NUMBER OF 5. SOLE VOTING POWER
SHARES
BENEFICIALLY 1,274,890
OWNED BY
EACH
REPORTING
PERSON
WITH
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6. SHARED VOTING POWER
0
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7. SOLE DISPOSITIVE POWER
1,274,890
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8. SHARED DISPOSITIVE POWER
0
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9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,274,890
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10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
|_|
(SEE INSTRUCTIONS)
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11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
0.63%
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12. TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
CO
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-3-
Item 1(a). Name of Issuer
The name of the issuer is TransAlta Corporation (the
"Company").
Item 1(b). Address of Issuer's Principal Executive Offices
The principal executive offices of the Company are located at
110 12th Avenue S.W., Calgary, Alberta T2R 0G7, Canada.
Item 2(a). Name of Person Filing
This statement is being filed by Canada Pension Plan
Investment Board ("CPP Investment Board").
Item 2(b). Address of Principal Business Office or, if none, Residence
The address of the principal business office of the
reporting person is One Queen Street East, Suite
2600, Toronto, Ontario M5C 2W5, Canada.
Item 2(c). Citizenship
Canada.
Item 2(d). Title of Class of Securities
The securities to which this statement relates are Common
Shares (the "Shares") of the Company.
Item 2(e). CUSIP Number
The CUSIP number of the Shares is 89346D107.
Item 3. If this statement is filed pursuant to ss.ss. 240.13d-1(b) or
240.13d-2(b) or (c), check whether the person filing is a:
Not applicable.
-4-
Item 4. Ownership
(a) As of December 31, 2006, CPP Investment Board
directly owned 1,274,890 Shares.
(b) The Shares directly owned by CPP Investment Board
represented approximately 0.63% of the issued and outstanding
Shares as of December 31, 2006.
(c) As of December 31, 2006, CPP Investment Board had
the sole power to vote or to direct the voting of the Shares
and had the sole power to dispose of or to direct the
disposition of the Shares.
Item 5. Ownership of Five Percent or Less of a Class
If this statement is being filed to report the fact that as
of the date hereof the reporting person
has ceased to be the beneficial owner of more than five percent of the class of
securities, check the following. |X|
Item 6. Ownership of More than Five Percent on Behalf of Another
Person
Not applicable.
Item 7. Identification and Classification of the Subsidiary Which
Acquired the Security Being Reported on by the Parent Holding
Company
Not applicable.
Item 8. Identification and Classification of Members of the Group
Not applicable.
Item 9. Notice of Dissolution of Group
Not applicable.
Item 10. Certification
By signing below I certify that, to the best of my
knowledge and belief, the securities referred to above were
not acquired and are not held for the purpose of or with the
effect of changing or influencing the control of the issuer of
the securities and were not acquired and are not held in
connection with or as a participant in any transaction having
that purpose or effect.
-5-
Signature
After reasonable inquiry and to the best of my knowledge and
belief, I certify that the information set forth in this statement is true,
complete and correct.
As of December 31, 2006
Canada Pension Plan Investment Board
By: /s/ J. H. Butler
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Name: J. H. Butler
Title: Vice President - General Counsel
and Corporate Secretary