Company: ABTC
Filing Date: 2025-07-31
Form Type: 424B3
Source: 0001213900-25-069998
Chunk: 788

Company: American Bitcoin Corp.
Filing Date: 2025-07-31
Form: 424B3
Chunk 788
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 by any of the parties hereto without the prior written consent of the other party hereto. Any purported assignment without such consent shall be void. Subject to the preceding sentences, this Agreement will be binding upon, inure to the benefit of, and be enforceable by, the parties hereto and their respective successors and permitted assigns. [ Remainder of page left intentionally blank ] Annex E-7

IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be duly executed and delivered as of the date first above written.

| PARENT:                      |     |                     |     |                         |
| GRYPHON DIGITAL MINING, INC. |     |                     |     |                         |
| By:                          |     | /s/ Steve Gutterman |     |                         |
|                              |     | Name:               |     | Steve Gutterman         |
|                              |     | Title:              |     | Chief Executive Officer |

[ Signature Page to Voting and Support Agreement ]

Annex E-8

IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be duly executed and delivered as of the date first above written.

| AMERICAN BITCOIN HOLDINGS LLC                                           |     |                  |     |                         |
| By:                                                                     |     | /s/ Asher Genoot |     |                         |
|                                                                         |     | Name:            |     | Asher Genoot            |
|                                                                         |     | Title:           |     | Chief Executive Officer |
| Address and Email Address:                                              |     |                  |     |                         |
| Shares Beneficially Owned:                                              |     |                  |     |                         |
| Company Common Stock: 40,400,000 shares of Company Class B Common Stock |     |                  |     |                         |

[ Signature Page to Voting and Support Agreement ]

Annex E-9 Annex F INVESTORS’ RIGHTS AGREEMENT This INVESTORS’ RIGHTS AGREEMENT (this “ Agreement ”), dated as of May 9, 2025, is made by and among: (a) Gryphon Digital Mining, Inc., a Delaware corporation (the “ Company ”); (b) American Bitcoin Corp., a Delaware corporation (“ ABTC ”); (c) American Bitcoin Holdings LLC, a Delaware limited liability company (the “ Key Investor ”); (d) each of the Persons listed on the signature pages attached to this Agreement under the heading “ABTC Investors” (each, an “ ABTC Investor ,”