| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Bitfury Top HoldCo B.V. | 10%+ Owner | STRAWINSKYLAAN 3051, AMSTERDAM, NETHERLANDS | Stijn Ehren, Managing Director of Bitfury Top HoldCo B.V., By: /s/ Stijn Ehren | 16 Jul 2025 | 0001884407 |
| V3 Holding Ltd | 10%+ Owner | 4TH FL HARBOUR PL 103 S CHURCH ST, 10240, GEORGE TOWN, CAYMAN ISLANDS | Stijn Ehren, Managing Director of Bitfury Holding B.V., By: /s/ Stijn Ehren | 16 Jul 2025 | 0001887845 |
| Bitfury Holding B.V. | 10%+ Owner | STRAWINSKYLAAN 3051, AMSTERDAM, NETHERLANDS | Valerijs Vavilovs, Director of Bitfury Group Limited, By: /s/ Valerijs Vavilovs | 16 Jul 2025 | 0001887853 |
| Vavilovs Valerijs | 10%+ Owner | 2102 CHEDDAR CHEESE TOWER, PO BOX 712650, DUBAI, UNITED ARAB EMIRATES | Valerijs Vavilovs, Director of V3 Holding Limited, By: /s/ Valerijs Vavilovs | 16 Jul 2025 | 0001887811 |
| Bitfury Group Ltd | 10%+ Owner | FIELDFISHER RIVERBANK HOUSE, 2 SWAN LANE, LONDON, UNITED KINGDOM | Valerijs Vavilovs, By: /s/ Valerijs Vavilovs | 16 Jul 2025 | 0001887872 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CIFR | Common Stock | Sale | -$4.08M | -667K | -0.71% | $6.11 | 93.7M | 14 Jul 2025 | See Footnote | F1, F3, F4 |
| transaction | CIFR | Common Stock | Sale | -$1.75M | -289K | -0.31% | $6.06 | 93.4M | 15 Jul 2025 | See Footnote | F2, F3, F4 |
| Id | Content |
|---|---|
| F1 | The price reported in Column 4 represents a weighted average sales price of $6.1053. These shares were sold in multiple transactions at prices ranging from $6.00 to $6.3801, inclusive. The reporting person undertakes to provide to Cipher Mining Inc., any security holder of Cipher Mining Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the ranges set forth in footnotes 1 and 2 of this Form 4. |
| F2 | The price reported in Column 4 represents a weighted average sales price of $6.0622. These shares were sold in multiple transactions at prices ranging from $6.00 to $6.1952, inclusive. |
| F3 | Bitfury Holding B.V. is the record holder of 4,821,560 shares of Common Stock. Bitfury Top HoldCo B.V. ("Bitfury Top HoldCo") is the record holder of 43,911,544 shares of Common Stock and is the sole owner of Bitfury Holding B.V. As a result, Bitfury Top HoldCo may be deemed to share beneficial ownership of the shares of Common Stock held by Bitfury Holding B.V. V3 Holding Limited ("V3") is the direct holder of 44,645,188 shares of Common Stock. Valerijs Vavilovs is the sole owner of V3, which is the majority owner of Bitfury Group Limited ("BGL"). BGL is the sole owner of Bitfury Top HoldCo. [Continued] |
| F4 | [Cont.] As a result of the foregoing relationships, each of Mr. Vavilovs, V3 and BGL may be deemed to share beneficial ownership of the Common Stock beneficially owned by Bitfury Top HoldCo, and Mr. Vavilovs may be deemed to have beneficial ownership of the Common Stock owned by V3. Each of Mr. Vavilovs, V3, Bitfury Top HoldCo, BGL and Bitfury Holding B.V. disclaim beneficial ownership of such shares except to the extent of their respective pecuniary interests therein. |