SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 6-K
REPORT OF FOREIGN PRIVATE ISSUER
Pursuant to Rule 13a-16 or 15d-16 Under
the Securities Exchange Act of 1934
For the month of April, 2006
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Commission File Number 001-13908
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AMVESCAP PLC
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(Translation of registrant's name into English)
30 Finsbury Square, London EC2A 1AG, ENGLAND
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(Address of principal executive offices)
Indicate by check mark whether the registrant files or will file annual reports
under cover Form 20-F or Form 40-F.
Form 20-F X Form 40-F
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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):
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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):
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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 No X
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If "Yes" is marked, indicate below the file number assigned to the registrant in
connection with Rule 12g3-2(b): 82- N/A
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Description of document filed: Blocklisting Six Monthly Return
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AMVESCAP PLC
IMMEDIATE RELEASE 11 APRIL 2006
BLOCKLISTING SIX MONTHLY RETURN
INFORMATION PROVIDED ON THIS FORM MUST BE TYPED OR PRINTED ELECTRONICALLY.
TO: The FSA
Date: 11 April 2006
1. Name of applicant: AMVESCAP PLC
2. Name of scheme: AMVESCAP PLC TRIMARK
ACQUISITION
3. Period of return: From: 11 OCTOBER 2005 To: 10 APRIL 2006
4. Balance under scheme from previous return: 23,590,000
5. The amount by which the block scheme has 0
been increased, if the scheme has
been increased since the date of the
last return
6. Number of securities issued/allotted 5,022,000
under scheme during period:
7. Balance under scheme not yet issued/allotted
at end of period 18,568,009
8. Number and class of securities originally
listed and the date of admission 65,988,401 ORDINARY SHARES
OF 25P EACH LISTED ON
11 OCTOBER 2000.
9. Total number of securities in issue
at the end of the period. 821,691,627 ORDINARY SHARES
OF US$0.10
Name of contact: ANGELA TULLY
Address of contact: 30 FINSBURY SQUARE,
LONDON EC2
Telephone number of contact: 020 7065 3652
SIGNED BY A. Tully
Assistant Company Secretary for and on behalf of
AMVESCAP PLC
Name of applicant
If you knowingly or recklessly give false or misleading information you may be
liable to prosecution.
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.
AMVESCAP PLC
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(Registrant)
Date 11 April, 2006 By /s/ Angela Tully
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(Signature)
Angela Tully
Assistant Company Secretary