Company: CIFRW
Filing Date: 2025-05-22
Form Type: 424B5
Source: 0001193125-25-124285
Chunk: 105

Company: Cipher Mining Inc.
Filing Date: 2025-05-22
Form: 424B5
Chunk 105
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 for U.S. federal income tax purposes, you may also be subject to a branch profits tax (at a 30% rate or such lower rate as specified by an applicable income tax treaty) of your effectively connected earnings and profits for the taxable year (as adjusted for certain items), which will include effectively connected dividends. Sale, Exchange, Certain Redemptions, Conversion or Other Taxable Disposition of the Notes or Common Stock Subject to the discussion below concerning backup withholding, any gain recognized by you on the sale, exchange, certain redemptions, conversion of a note into cash or a combination of cash and common stock, or other taxable disposition of a note or common stock will not be subject to U.S. federal income tax unless:

| • |     | you are an individual who is present in the United States for a period or periods aggregating 183 days or more 
 during the taxable year in which the sale or disposition occurs and certain other conditions are met;          |

| • |     | the gain is effectively connected with your conduct of a trade or business in the United States; or |

If you are a non-U.S.holder who is described in the first bullet point above, you will be subject to U.S. federal income tax at a rate of 30% (or such lower rate as specified by an applicable income tax treaty) on the amount of such gain, which generally may be offset by U.S.-source capital losses. If you are a non-U.S.holder whose gain is described in the second bullet point above or, subject to the exceptions described in the next paragraph, the third bullet point above applies, you generally will be taxed on a net income basis at the rates and in the manner generally applicable to United States persons unless an applicable income tax treaty provides otherwise. In addition, if you are a corporation for U.S. federal income tax purposes whose gain is described in the second bullet point above, then such gain would also be included in your effectively connected earnings and profits (as adjusted for certain items), which may be subject to a branch profits tax (at a 30% rate or such lower rate as specified by an applicable income tax treaty). Generally, a corporation is a USRPHC if the fair market value of its United States real property interests equals or exceeds 50% of the sum of the fair market value of its worldwide real property interests and its other assets used or held for use in a trade or business. We believe that we currently are not a USRPHC for U