Company: CIFRW
Filing Date: 2025-09-25
Form Type: PRE 14A
Source: 0001819989-25-000090
Chunk: 2

Company: Cipher Mining Inc.
Filing Date: 2025-09-25
Form: PRE 14A
Chunk 2
---
 shares of common stock, par value $0.001 per share, authorized for issuance from 500,000,000 shares to 1,000,000,000 shares; and

2. to transact such other business as may properly come before the Special Meeting or any continuation, postponement or adjournment thereof.

These items of business are described in the Proxy Statement that follows this notice. Holders of record of our common stock as of the close of business on September 12, 2025 are entitled to notice of and to vote at the Special Meeting, or any continuation, postponement or adjournment thereof.

Your vote is important. Voting your shares will ensure the presence of a quorum at the Special Meeting and will save us the expense of further solicitation. Please promptly vote your shares by completing, signing, dating and returning your proxy card or by Internet or telephone voting as described on your proxy card.

| By Order of the Board of Directors                        |
| William Iwaschuk                                          |
| Co-President, Chief Legal Officer and Corporate Secretary |

New York, New York

October ____, 2025

This Notice of Special Meeting and Proxy Statement are first being distributed or made available, as the case may be, on or about October ____, 2025.

<div align='center'>Important Notice Regarding the Availability of Proxy Materials for the Stockholder Meeting to be Held on October ____, 2025:

The Notice of Meeting and Proxy Statement are available free of charge at www.proxyvote.com.</div>

### TABLE OF CONTENTS
|                                                                                                                                                |     | Page |
| GENERAL INFORMATION ABOUT THE SPECIAL MEETING AND VOTING                                                                                       |     |    1 |
| When and where will the Special Meeting be held?                                                                                               |     |    1 |
| What are the purposes of the Special Meeting?                                                                                                  |     |    1 |
| Are there any matters to be voted on at the Special Meeting that are not included in this Proxy Statement?                                     |     |    1 |
| What does it mean if I receive more than one set of proxy materials?                                                                           |     |    1 |
| Who is entitled to vote at the Special Meeting?                                                                                                |     |    1 |
| What is the difference between being a “record holder” and holding shares in “street name”?                                                    |     |    2 |
| How do I vote if my shares are held in “street name”?                                                                                          |     |    2 |
| How