Company: BTC
Filing Date: 2025-04-01
Form Type: POS AM
Source: 0001193125-25-070549
Chunk: 137

Company: Grayscale Bitcoin Mini Trust ETF
Filing Date: 2025-04-01
Form: POS AM
Chunk 137
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 on a real-time 
 basis through Rest and Websocket APIs.                                                                            |

All trading platforms that meet these Inclusion Criteria will be assigned to one trading platform “Category” as defined by the additional criteria below:

| • |     | Category 1 |

| • |     | Licensed and/or able to serve investors, retail or professional, in the U.S.; and |

| • |     | Maintain sufficient USD or USDC liquidity relative to the size of the listed assets. |

| • |     | Category 2 |

| • |     | Licensed (including in-principal licensure) and/or able to serve                  
 investors, retail or professional, in one or more of the following jurisdictions: |

| • |     | United Kingdom |

| • |     | European Union(1) |

| • |     | Hong Kong |

| • |     | Singapore; and |

| • |     | Maintain sufficient USD or USDC liquidity relative to the size of the listed assets. |

| (1) | In the event a trading platform is only licensed or able to serve investors in select European Union countries                         
 and none of the other listed jurisdictions, the Index Provider reserves the right to evaluate its eligibility on a case-by-case basis. |

A Digital Asset Trading Platform is removed from the Constituent Trading Platforms when it no longer satisfies the Inclusion Criteria. The Index Provider does not currently include data from over-the-countermarkets or derivatives platforms among the Constituent Trading Platforms. Over-the-counterdata is not currently included because of the potential for trades to include a significant premium or discount paid for larger liquidity, 84

which creates an uneven comparison relative to more active markets. There is also a higher potential for over-the-countertransactions to not be arms-length, and thus not be representative of a true market price. Bitcoin derivative markets are also not currently included. While the Index Provider has no plans to include data from over-the-countermarkets or derivative platforms at this time, the Index Provider will consider IOSCO principles for financial benchmarks, the management of trading venues of Bitcoin derivatives and the aforementioned Inclusion Criteria when considering whether to include over-the-counteror derivative platform data in the future. The Index Provider and the Sponsor have entered into the index license agreement, dated as of February 1, 2022 (as amended, the “Index License Agreement”), governing the Sponsor’s use of the Index Price. Pursuant to the terms of the Index License Agreement, the Index Provider may adjust the calculation methodology for the Index Price without notice to, or consent of