Company: CIFRW
Filing Date: 2025-05-22
Form Type: 424B5
Source: 0001193125-25-124285
Chunk: 111

Company: Cipher Mining Inc.
Filing Date: 2025-05-22
Form: 424B5
Chunk 111
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 | $           | 145,875,000 |     | $             | 167,756,250 |

The estimated offering expenses payable by us, exclusive of the underwriting discounts and commissions, are approximately $1.8 million. The underwriter has agreed to reimburse us up to $701,250.00 (or $806,437.50 if the Underwriters exercise their option to purchase additional notes in full) of our out-of-pocketexpenses in connection with this offering. We have also agreed to reimburse the underwriters for certain of their expenses in an amount up to $25,000. Our common stock and public warrants are listed on The Nasdaq Global Select Market under the symbols “CIFR” and “CIFRW”, respectively. S-71

The notes are a new issue of securities, and there is currently no established trading
market for such notes. We do not intend to apply for the notes to be listed on any securities exchange or to arrange for the notes to be quoted on any quotation system.

The underwriters have advised us that they intend to make a market in the notes, but they are not obligated to do so. The underwriters may
discontinue any market-making in the notes at any time in their sole discretion without notice. Accordingly, we cannot assure you that a liquid trading market will develop for the notes. If an active trading
market for the notes does not develop, the market price and liquidity of the notes may be adversely affected. If the notes are traded, they may trade at a discount from their initial public offering price depending on prevailing interest rates, the
market for similar securities, our performance and other factors.

We have agreed that we will not: (i) offer, pledge, sell, contract
to sell, sell any option or contract to purchase, purchase any option or contract to sell, grant any option, right or warrant to purchase, lend, or otherwise transfer or dispose of, directly or indirectly, any shares of our common stock or any
securities convertible into or exercisable or exchangeable for our common stock, (ii) enter into any swap or other arrangement that transfers to another, in whole or in part, any of the economic consequences of ownership of shares of our common
stock or any securities convertible into or exercisable or exchangeable for our common stock or (iii) file any registration statement with the SEC relating to the offering of any shares of common stock or any securities convertible into or
exercisable or exchangeable for common stock, whether