Appendix A

EVERY SHAREHOLDER'S VOTE IS IMPORTANT

YOUR PROXY VOTE IS IMPORTANT!

AND NOW YOU CAN VOTE YOUR PROXY
ON THE PHONE, OR THE INTERNET.

IT SAVES MONEY! TELEPHONE, FACSIMILE
AND INTERNET VOTING SAVES POSTAGE
COST. SAVINGS WHICH CAN HELP
MINIMIZE EXPENSES.

IT SAVES TIME! TELEPHONE AND
INTERNET VOTING IS INSTANTANEOUS - 24
HOURS A DAY.

IT'S EASY! JUST FOLLOW THESE SIMPLE
STEPS:

1. READ YOUR PROXY STATEMENT AND
HAVE IT AT HAND.

2. CALL TOLL-FREE X-XXX-XXX-XXXX, OR
GO TO WEBSITE: HTTPS://VOTE.PROXY-
DIRECT.COM

3. FOLLOW THE RECORDED OR ON-SCREEN
DIRECTIONS.

4. DO NOT MAIL YOUR PROXY CARD
WHEN YOU VOTE BY PHONE, OR INTERNET.

Please detach at perforation before mailing.

PROXY VAN KAMPEN INCOME TRUST PROXY

NOTICE OF ANNUAL MEETING OF SHAREHOLDERS
TO BE HELD ON OCTOBER 27, 2006

The undersigned holder of Common Shares of Van Kampen Income Trust, a
Massachusetts business trust (the "Fund"), hereby appoints John L. Sullivan, Lou
Anne McInnis and Elizabeth A. Nelson and each of them or their respective
designees, with full power of substitution and revocation, as proxies to
represent the undersigned at the Annual Meeting of Shareholders to be held at
the offices of Van Kampen Investments Inc., 1 Parkview Plaza, Oakbrook Terrace,
Illinois 60181-5555, on Friday, October 27, 2006 at 9:00 a.m., and any and all
adjournments thereof (the "Meeting"), and thereat to vote all Common
Shares which the undersigned would be entitled to vote, with all powers the
undersigned would possess if personally present, in accordance with the
instructions indicated herein.

If more than one of the proxies, or their substitutes, are present at the
Meeting or any adjournment thereof, they jointly (or, if only one is present and
voting then that one) shall have authority and may exercise all powers granted
hereby. This Proxy, when properly executed, will be voted in accordance with the
instructions marked by the undersigned on the reverse side.

IF NO SPECIFICATION IS MADE, THIS PROXY WILL BE VOTED "FOR ALL" OF THE NOMINEES
FOR THE BOARD OF TRUSTEES AND IN THE DISCRETION OF THE PROXIES UPON SUCH OTHER
BUSINESS AS MAY PROPERLY COME BEFORE THE MEETING. THE UNDERSIGNED HEREBY
ACKNOWLEDGES RECEIPT OF THE ACCOMPANYING NOTICE OF MEETING AND PROXY STATEMENT
FOR THE MEETING TO BE HELD ON OCTOBER 27, 2006.

THIS PROXY IS SOLICITED ON BEHALF OF THE BOARD OF TRUSTEES OF THE FUND. THE
BOARD REQUESTS THAT YOU VOTE YOUR SHARES BY INDICATING YOUR VOTING INSTRUCTIONS
ON THE ENCLOSED PROXY CARD, DATING AND SIGNING SUCH PROXY CARD AND RETURNING IT
IN THE ENVELOPE PROVIDED, WHICH IS ADDRESSED FOR YOUR CONVENIENCE AND NEEDS NO
POSTAGE IF MAILED IN THE UNITED STATES, OR BY RECORDING YOUR VOTING INSTRUCTIONS
BY TELEPHONE OR VIA THE INTERNET.

VOTE VIA THE TELEPHONE: X-XXX-XXX-XXXX
VOTE VIA THE INTERNET: HTTPS://VOTE.PROXY-DIRECT.COM
/999 9999 9999 999/

NOTE: Please sign exactly as your name appears on
this proxy card. All joint owners should sign. When
signing as executor, administrator, attorney, trustee
or guardian or as custodian for a minor, please give
full title as such. If a corporation, please sign in
full corporate name and indicate the signer's office.
If a partner, sign in the partnership name.

_____________________________________________________
Signature

_____________________________________________________
Signature (if held jointly)

_____________________________________________________
Date XXX XXXX

EVERY SHAREHOLDER'S VOTE IS IMPORTANT

PLEASE SIGN, DATE AND RETURN YOUR
PROXY TODAY

Please detach at perforation before mailing.

1. Authority to vote for the election as trustees, the nominees named below:
01 R. Craig Kennedy 02 Jack E. Nelson 03 Hugo F. Sonnenschein

To withhold authority for any individual, mark the box "For All Except" and
write the nominee's(s') number on the line below. FOR WITHHOLD FOR ALL
ALL EXCEPT
____________________________________________________________ [ ] [ ] [ ]

2. To transact such other business as may properly be presented at the
Meeting or any adjournment thereof. [ ] [ ] [ ]

</Table>
THE BOARD OF TRUSTEES RECOMMENDS THAT YOU VOTE "FOR ALL" OF THE NOMINEES IN
PROPOSAL 1. PLEASE MARK VOTES AS IN THIS EXAMPLE: [X]

YOUR VOTE IS IMPORTANT.

PLEASE VOTE PROMPTLY BY SIGNING AND RETURNING THE
ENCLOSED PROXY CARD OR BY RECORDING YOU VOTING INSTRUCTIONS BY TELEPHONE
OR VIA THE INTERNET NO MATTER HOW MANY SHARES YOU OWN.

XXX XXXX