Company: CIFRW
Filing Date: 2025-09-25
Form Type: PRE 14A
Source: 0001819989-25-000090
Chunk: 4

Company: Cipher Mining Inc.
Filing Date: 2025-09-25
Form: PRE 14A
Chunk 4
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 if I receive more than one set of proxy materials?

It means that your shares are held in more than one account at the transfer agent and/or with banks or brokers. Please vote all of your shares. To ensure that all of your shares are voted, for each set of proxy materials, please submit your proxy by phone, via the Internet, or by signing, dating and returning the enclosed proxy card in the enclosed envelope.

#### Who is entitled to vote at the Special Meeting?
Holders of record of shares of our common stock as of the close of business on September 12, 2025 (the "Record Date") will be entitled to notice of and to vote at the Special Meeting and any continuation, postponement or adjournment thereof. At the close of business on the Record Date, there were 393,286,007 shares of our common stock issued and outstanding and entitled to vote. Each share of our common stock is entitled to one vote on any matter presented to stockholders at the Special Meeting.

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To attend and participate in the Special Meeting, you will need the 16-digit control number included in your Notice and Access Card, on your proxy card or on the instructions that accompanied your proxy materials. If your shares are held in “street name,” you should contact your bank or broker to obtain your 16-digit control number or otherwise vote through the bank or broker. If you lose your 16-digit control number, you may join the Special Meeting as a “Guest” but you will not be able to vote or ask questions. The meeting webcast will begin promptly at 8:00 a.m., Eastern Time. We encourage you to access the meeting prior to the start time. Online check-in will begin at 7:45 a.m., Eastern Time, and you should allow ample time for the check-in procedures.

What is the difference between being a “record holder” and holding shares in “street name”?

A record holder (also called a “registered holder”) holds shares in his or her name. Shares held in “street name” means that shares are held in the name of a bank, broker or other nominee on the holder’s behalf.

How do I vote if my shares are held in “street name”?

If your shares are held in a brokerage account or by a bank or other holder of record, you are considered the “beneficial owner” of shares held in “street name.” In this case, the proxy materials have been forwarded to you by