Invesco Energy Fund (IENAX) DEFA14A Additional proxy soliciting materials

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

Filed by the Registrantþ
Filed by a Party other than the Registranto

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o Preliminary Proxy Statement
o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))
o Definitive Proxy Statement
þ Definitive Additional Materials
o Soliciting Material Pursuant to § 240.14a-11(c) or § 240.14a-12

AIM SECTOR FUNDS (INVESCO SECTOR FUNDS)

(Name of Registrant as Specified In Its Charter)

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

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INVESCO UTILITIES FUND

IMPORTANT NOTICE:

Please exercise your right to vote as soon as possible!

Dear Shareholder:

We recently sent you proxy materials concerning an important proposal affecting your fund, which will be considered at a Special Meeting of Shareholders of the fund on Friday, February 1, 2013 at 11 Greenway Plaza, Suite 1000, Houston, Texas 77046-1173. This letter was sent because you held shares in the fund on the record date andwe have not received your vote.

YOUR FUND’S BOARD RECOMMENDS YOU VOTE “FOR” THE PROPOSAL

YOUR VOTE IS VERY IMPORTANT
VOTING NOW HELPS AVOID UNNECESSARY COMMUNICATIONS WITH SHAREHOLDERS
AND ELIMINATES PHONE CALLS

Please vote using one of the following options:

1.	VOTE ONLINE
	Log on to the website listed on your proxy card. Please have your proxy card in hand to access your control number (located in the box) and follow the on screen instructions.
2.	VOTE BY TOUCH-TONE TELEPHONE
	Call the toll free number listed on your proxy card. Please have your proxy card in hand to access your control number (located in the box) and follow the recorded instructions.
3.	VOTE BY MAIL
	Complete, sign and date the enclosed proxy card(s), then return them in the enclosed postage paid envelope.

The proxy materials we sent you contain important information regarding the proposal that you and other shareholders are being asked to consider. Please read the materials carefully. If you have any questions regarding the proposal, or need assistance with voting, you may call Computershare Fund Services, the fund’s proxy solicitor, toll free at1-866-200-5124.

Thank you for your prompt attention to this matter. If you have already voted, we appreciate your participation.