Company: SDSYA
Filing Date: 2025-04-29
Form Type: DEF 14A
Source: 0001163609-25-000013
Chunk: 31

Company: SOUTH DAKOTA SOYBEAN PROCESSORS LLC
Filing Date: 2025-04-29
Form: DEF 14A
Chunk 31
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 the owner of Class A Capital Units of South Dakota Soybean Processors, LLC, and have full power and authority to vote such capital units; and

• I vote such capital units on the following matters as set forth below.

PROPOSAL ONE : MANAGER ELECTION. Please place an X in the box next to the nominee for which you wish to vote, by marking “For” or “Abstain.” YOU MAY CAST YOUR VOTE FOR ONLY ONE NOMINEE .

|                  |     | For |     | Abstain |
| Gary Goplen      |     | ¨   |     | ¨       |
| Brian Hicks      |     | ¨   |     | ¨       |
| William Louwagie |     | ¨   |     | ¨       |

PROPOSAL TWO : ADVISORY (NON-BINDING) VOTE ON EXECUTIVE COMPENSATION (SAY-ON-PAY). Please place an X in the box next to your choice. YOU MAY ONLY VOTE BY MAKING ONE SELECTION .

| ¨ | For |     | ¨ | Against |     | ¨ | Abstain |

Please sign, date and return the ballot by mailing it to P.O. Box 500, Volga, South Dakota 57071, or emailing it to Amy.Koisti@sdsbp.com. Ballots must be RECEIVED by 10:00 a.m. (CDT) on Tuesday, June 17, 2025 in order to be valid.

| Date: |     |                                                      |
|       |     | Signature                                            |
|       |     | Print Name                                           |
|       |     | Member Name Under Which Capital Units Are Registered |
| Date: |     |                                                      |
|       |     | Signature                                            |
|       |     | Print Name                                           |

PLEASE NOTE: If capital units are jointly owned, such as joint ownership between a husband and wife, both joint owners must sign the ballot for it to be valid.

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#### CLASS A MEMBER BALLOT - DISTRICT #3

#### SOUTH DAKOTA SOYBEAN PROCESSORS, LLC

#### 2025 Annual Meeting
By signing below, I certify that:

• I am either the owner or the authorized representative of the owner of Class A Capital Units of South Dakota Soybean Processors, LLC, and have full power and authority to vote such capital units; and

• I vote such capital