Company: CIFRW
Filing Date: 2025-05-22
Form Type: 424B5
Source: 0001193125-25-124285
Chunk: 32

Company: Cipher Mining Inc.
Filing Date: 2025-05-22
Form: 424B5
Chunk 32
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 cancellation. However, subject to the terms of the indenture, notes that we or any of our affiliates own will be deemed not to be outstanding for purposes of determining whether the noteholders have concurred in any direction, waiver or consent. Payments on the Notes For purposes of the notes, the description below under this section titled “—Payments on the Notes” supersedes, in its entirety, the information in the accompanying prospectus under the caption “Description of Debt Securities—Defeasance of Debt Securities and Certain Covenants in Certain Circumstances.” S-20

We will pay (or cause the paying agent to pay) the principal of, and interest on, any global note by wire transfer of immediately available funds. We will pay (or cause the paying agent to pay) the principal of, and interest on, any physical note as follows:

| • |     | if the principal amount of such note is at least $5.0 million (or such lower amount as we may choose in our                                                                                                                                              
 sole and absolute discretion) and the holder of such note entitled to such payment has delivered to the paying agent or the trustee, no later than the time set forth below, a written request to receive payment by wire transfer to an account of such 
 holder within the United States, by wire transfer of immediately available funds to such account; and                                                                                                                                                    |

| • |     | in all other cases, by check mailed to the address of such holder set forth in the note register. |

To be timely, a written request referred to in the first bullet point above must be delivered no later than the “close of business” (as defined below under the caption “—Definitions”) on the following date: (i) with respect to the payment of any interest due on an interest payment date, the immediately preceding regular record date; and (ii) with respect to any other payment, the date that is 15 calendar days immediately before the date such payment is due. If the due date for a payment on a note is not a “business day” (as defined below under the caption “—Definitions”), then such payment may be made on the immediately following business day with the same force and effect as if such payment were made on that due date, and no interest will accrue on such payment as a result of the related delay. Solely for purposes of the immediately preceding sentence, a day on which the applicable place of payment is authorized or required by law or executive order to close or be closed will be deemed