SCHEDULE 14A
                                 (RULE 14A-101)
                     INFORMATION REQUIRED IN PROXY STATEMENT
                            SCHEDULE 14A INFORMATION
           PROXY STATEMENT PURSUANT TO SECTION 14(A) OF THE SECURITIES
                              EXCHANGE ACT OF 1934

Filed by the Registrant  [X]
Filed by a Party other than the Registrant  [_]

Check the appropriate box:
[ ]  Preliminary Proxy Statement
[_]  Confidential, For Use of the Commission Only (as permitted by Rule
     14a-6(e)(2))
[ ]  Definitive Proxy Statement
[X]  Definitive Additional Materials
[_]  Soliciting Material Under Rule 14a-12

                             BURNHAM INVESTORS TRUST
                     --------------------------------------
                (NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER)
           ----------------------------------------------------------
    (NAME OF PERSON(S) FILING PROXY STATEMENT, IF OTHER THAN THE REGISTRANT)

Payment of Filing Fee (Check the appropriate box):

[X] No fee required.
[ ] Fee computed on table below per Exchange Act Rules 14a-6(i)(1) and 0-11.

(1) Title of each class of securities to which transaction applies:

- --------------------------------------------------------
(2) Aggregate number of securities to which transaction applies:

- --------------------------------------------------------
(3) Per unit price or other underlying value of transaction computed
    pursuant to Exchange Act Rule 0-11 (set forth the amount on which the
    filing fee is calculated and state how it was determined):

- ---------------------------------------------------------
(4) Proposed maximum aggregate value of transaction:

- ---------------------------------------------------------
(5) Total fee paid: $0

- ---------------------------------------------------------
[_] Fee paid previously with preliminary materials:

- ---------------------------------------------------------
[_] Check box if any part of the fee is offset as provided by Exchange Act
    Rule 0-11(a)(2) and identify the filing for which the offsetting fee
    was paid previously. Identify the previous filing by registration
    statement number, or the form or schedule and the date of its filing.

(1) Amount previously paid:

- ---------------------------------------------------------
(2) Form, Schedule or Registration Statement No.:

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(3) Filing Party:

- ---------------------------------------------------------
(4) Date Filed:

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                                [GRAPHIC OMITTED]
                                    BURNHAM
                                INVESTORS TRUST

                           IMPORTANT NOTICE REGARDING
                            BURNHAM INVESTORS TRUST
                              URGENT THIRD REQUEST

June 2, 2005

Dear Shareholder:

You are receiving this request as an important shareholder of Burnham Investors
Trust. We are writing to request your proxy vote on four important proposals.
Your vote will be tallied at your Fund's Special Shareholder Meeting. While we
recently mailed proxy information to you, it has come to our attention that we
may not have received your vote. Votes of additional shareholders are urgently
needed before the Fund can hold its meeting, scheduled for June 22, 2005.

EVERY VOTE COUNTS

YOUR VOTE IS IMPORTANT. YOUR VOTE WILL HELP YOUR FUND TO HOLD THIS MEETING,
AVOID THE COST OF ADDITIONAL SOLICITATION AND THE POSSIBILITY OF A MEETING
ADJOURNMENT, SO WE URGE YOU TO VOTE YOUR PROXY NOW. YOU AND ALL OTHER
SHAREHOLDERS WILL BENEFIT FROM YOUR COOPERATION.

After careful review, your fund's Board has approved the proposals detailed in
the proxy statement and urges you to vote "FOR" each proposal. We have retained
a professional proxy solicitation firm, Alamo Direct Mail Services, Inc.
("Alamo"), to assist you with casting your vote. Should you have any questions
regarding the meeting agenda or to vote your proxy over the phone, PLEASE CALL
ALAMO TOLL-FREE at 1-866-204-6490. Thank you.



- --------------------------------------------------------------------------------

   For your convenience, please utilize one of the easy methods below to
   register your vote:

   BY TOUCH-TONE PHONE
   Dial the toll-free number found on your proxy card - and follow the simple
   instructions.

   BY INTERNET.
   Visit HTTP://WWW.PROXYVOTE.COM and enter the 12-digit control number
   located on your proxy card.

   BY MAIL.
   Simply return your executed proxy in the enclosed postage-paid envelope.
   HOWEVER, DUE TO THE SHORT TIME FRAME UNTIL THE MEETING, PLEASE TRY TO
   UTILIZE ONE OF THE ABOVE TWO OPTIONS TO REGISTER YOUR VOTE SO IT MAY BE
   RECEIVED IN TIME FOR THE MEETING.

- --------------------------------------------------------------------------------

                       DON'T HESITATE. PLEASE VOTE TODAY.

                                                                             ADP


                                [GRAPHIC OMITTED]
                                    BURNHAM
                                INVESTORS TRUST

                           IMPORTANT NOTICE REGARDING
                            BURNHAM INVESTORS TRUST
                              URGENT THIRD REQUEST

June 2, 2005

Dear Shareholder:

You are receiving this request as an important shareholder of Burnham Investors
Trust. We are writing to request your proxy vote on four important proposals.
Your vote will be tallied at your Fund's Special Shareholder Meeting. While we
recently mailed proxy information to you, it has come to our attention that we
may not have received your vote. Votes of additional shareholders are urgently
needed before the Fund can hold its meeting, scheduled for June 22, 2005.

EVERY VOTE COUNTS

YOUR VOTE IS IMPORTANT. YOUR VOTE WILL HELP YOUR FUND TO HOLD THIS MEETING,
AVOID THE COST OF ADDITIONAL SOLICITATION AND THE POSSIBILITY OF A MEETING
ADJOURNMENT, SO WE URGE YOU TO VOTE YOUR PROXY NOW. YOU AND ALL OTHER
SHAREHOLDERS WILL BENEFIT FROM YOUR COOPERATION.

After careful review, your fund's Board has approved the proposals detailed in
the proxy statement and urges you to vote "FOR" each proposal. We have retained
a professional proxy solicitation firm, Alamo Direct Mail Services, Inc.
("Alamo"), to assist you with casting your vote. Should you have any questions
regarding the meeting agenda or to vote your proxy over the phone, PLEASE CALL
ALAMO TOLL-FREE at 1-866-204-6490. Thank you.


- --------------------------------------------------------------------------------

     For your convenience, please utilize one of the easy methods below to
     register your vote:


     BY INTERNET.
     Visit HTTPS://VOTE.PROXY-DIRECT.COM and enter the 14-digit control number
     located on your proxy card.

     BY TOUCH-TONE PHONE.
     Dial 1-866-241-6192 - this toll-free number is also listed on your proxy
     card -- and follow the simple instructions.

     BY MAIL.
     Simply return your executed proxy in the enclosed postage-paid envelope.
     HOWEVER, DUE TO THE SHORT TIME FRAME UNTIL THE MEETING, PLEASE TRY TO
     UTILIZE ONE OF THE ABOVE TWO OPTIONS TO REGISTER YOUR VOTE SO IT MAY BE
     RECEIVED IN TIME FOR THE MEETING.

- --------------------------------------------------------------------------------


                       DON'T HESITATE. PLEASE VOTE TODAY.

                                                                             REG