<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>6
<FILENAME>a2055196zex-99_1.txt
<DESCRIPTION>EXHIBIT 99.1
<TEXT>
<Page>


                                      PROXY

                                 CMI CORPORATION
                     FOR THE SPECIAL MEETING OF SHAREHOLDERS
                          TO BE HELD SEPTEMBER 28, 2001

           THIS PROXY IS SOLICITED ON BEHALF OF THE BOARD OF DIRECTORS

         The undersigned hereby appoints Thane Swisher and Jim D. Holland, or
either of them, as proxies, each with full power to appoint his substitute, and
hereby authorizes them to represent and to vote, as designated below, all of the
shares of Voting Class A Common Stock and Voting Common Stock of CMI Corporation
held of record by the undersigned on August 27, 2001 at the Special Meeting
of Shareholders to be held on September 28, 2001 or any adjournment thereof.

         THIS PROXY WHEN PROPERLY EXECUTED WILL BE VOTED IN THE MANNER
DIRECTED HEREIN BY THE UNDERSIGNED SHAREHOLDER. IF THIS PROXY IS EXECUTED BUT
NO DIRECTION IS GIVEN, THIS PROXY WILL BE VOTED "FOR" THE APPROVAL OF THE
PROPOSAL SET FORTH IN PARAGRAPH 1 ON THE REVERSE SIDE OF THIS CARD AS
DESCRIBED IN THE PROXY STATEMENT/PROSPECTUS OF CMI CORPORATION DATED AUGUST
28, 2001 HERETOFORE RECEIVED BY THE UNDERSIGNED, AND IN THE DISCRETION OF THE
PROXY HOLDERS ON ANY OTHER MATTERS THAT MAY PROPERLY COME BEFORE THE MEETING
OR ANY ADJOURNMENT(S) OR POSTPONEMENT(S) THEREOF. YOU MAY REVOKE THIS PROXY
AT ANY TIME PRIOR TO VOTE THEREOF.

PLEASE SIGN, DATE AND RETURN PROMPTLY USING THE ENCLOSED ENVELOPE.

           THE BOARD OF DIRECTORS RECOMMENDS A VOTE "FOR" THE PROPOSAL

         1. Approval of the Agreement and Plan of Merger, dated June 27, 2001,
among CMI Corporation, Terex Corporation and a Wholly-Owned Subsidiary of Terex
Corporation.

            /_/ For          /_/ Against      /_/ Abstain


         2. In their discretion, the proxies are authorized to vote upon such
other business as may properly come before the meeting or any adjournment
thereof.

         The undersigned hereby acknowledges receipt of the notice of special
meeting of shareholders and the accompanying proxy statement/prospectus and
hereby expressly revokes any and all proxies heretofore given or executed by him
with respect to the shares represented by the proxy.


<Page>


         Dated this ____ day of __________, 2001.


                                          --------------------------------------
                                          Signature

                                          --------------------------------------
                                          Signature

         Please sign exactly as name appears on stock certificate. When shares
are held by joint tenants, both should sign. When signing as attorney, executor,
administrator, trustee or guardian, please give full title as such. If a
corporation, please sign in full corporate name by President or other authorized
officer. If a partnership or limited liability company, please sign in the name
of the legal entity by authorized person.


</TEXT>
</DOCUMENT>
