Company: CIFRW
Filing Date: 2025-05-22
Form Type: 424B5
Source: 0001193125-25-124290
Chunk: 20

Company: Cipher Mining Inc.
Filing Date: 2025-05-22
Form: 424B5
Chunk 20
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 net investment income, U.S. federal estate or gift tax laws, any U.S. state or local or non-U.S.tax laws or any tax treaties. This summary also does not address all U.S. federal income tax considerations that may be relevant to particular non-U.S.holders in light of their personal circumstances or that may be relevant to certain categories of investors that may be subject to special rules, such as:

| • |     | banks, insurance companies or other financial institutions; |

| • |     | tax-exempt or governmental organizations; |

| • |     | tax-qualified retirement plans; |

| • |     | “qualified foreign pension funds” as defined in Section 897(1)(2) of the Code (or any entities all 
 of the interests of which are held by a qualified foreign pension fund);                           |

| • |     | dealers in securities or foreign currencies; |

| • |     | persons whose functional currency is not the U.S. dollar; |

| • |     | traders in securities that use the                                        
 mark-to-market method of accounting for U.S. federal income tax purposes; |

| • |     | “controlled foreign corporations,” “passive foreign investment companies,” and corporations 
 that accumulate earnings to avoid U.S. federal income tax;                                  |

| • |     | entities or arrangements treated as partnerships or pass-through entities for U.S. federal income tax purposes or 
 holders of interests therein;                                                                                     |

| • |     | persons deemed to sell our common stock under the constructive sale provisions of the Code; |

| • |     | persons that acquired our common stock through the exercise of employee stock options or otherwise as 
 compensation or through a tax-qualified retirement plan;                                              |

| • |     | persons that hold our common stock as part of a straddle, appreciated financial position, synthetic security, 
 hedge, conversion transaction or other integrated investment or risk reduction transaction; and               |

| • |     | certain former citizens or long-term residents of the United States. |

PROSPECTIVE INVESTORS SHOULD CONSULT WITH THEIR OWN TAX ADVISORS WITH RESPECT TO THE APPLICATION OF THE U.S. FEDERAL INCOME TAX LAWS (INCLUDING ANY POTENTIAL FUTURE CHANGES THERETO) TO THEIR PARTICULAR SITUATION, AS WELL AS ANY TAX CONSEQUENCES OF THE PURCHASE, OWNERSHIP AND DISPOSITION OF OUR COMMON STOCK ARISING UNDER ANY OTHER TAX LAWS, INCLUDING U.S. FEDERAL ESTATE OR GIFT