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                                                                    EXHIBIT 99.3

                                     BALLOT

                          NORTHERN GROWERS COOPERATIVE

       This is a ballot to vote at the Special Meeting of Northern Growers
Cooperative (the "Cooperative") to be held on __________, 2002, at __________,
CST, at ____________________________, South Dakota.

       To vote, please mark, sign, date and return this ballot promptly to the
Cooperative using the enclosed envelope so that it is received on or before Noon
on [__________], 2002. You may also personally deliver this ballot to the
Cooperative at the special meeting or to the Cooperative's principal executive
offices on or before Noon on [__________], 2002. Ballots returned after
[__________], 2002 will not be counted. IF FOR ANY REASON YOU DESIRE TO REVOKE
THIS BALLOT, YOU MUST NOTIFY THE COOPERATIVE IN WRITING SO THAT YOUR REVOCATION
IS RECEIVED ON OR BEFORE NOON ON [__________], 2002.


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BY SIGNING BELOW, I HEREBY (i) ACKNOWLEDGE RECEIPT OF THE INFORMATION
STATEMENT/PROSPECTUS OF WHETSTONE ETHANOL, LLC DATED [    ], 2002; (ii) CERTIFY
THAT I AM EITHER THE OWNER OR THE AUTHORIZED REPRESENTATIVE OF THE OWNER OF ONE
VOTING SHARE OF NORTHERN GROWERS COOPERATIVE AND HAVE FULL POWER AND AUTHORITY
TO VOTE SUCH SHARE, AND (iii) VOTE SAID SHARE ON THE FOLLOWING PROPOSAL AS SET
FORTH BELOW:

       PROPOSAL TO REORGANIZE THE COOPERATIVE INTO WHETSTONE ETHANOL, LLC
       IN ACCORDANCE WITH THE PLAN OF REORGANIZATION DATED APRIL 10,
       2002, AS DESCRIBED IN THE INFORMATION STATEMENT/PROSPECTUS OF
       WHETSTONE ETHANOL, LLC DATED [__________], 2002.

                / / FOR             / / AGAINST        / / ABSTAIN

       THE BOARD OF DIRECTORS UNANIMOUSLY RECOMMENDS THAT YOU VOTE "FOR" THE
       PROPOSAL.

DATE:
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                                             SIGNATURE


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