Grayscale Bitcoin Trust amends Bitcoin valuation fallback rules effective Jan 11

Grayscale Bitcoin Trust ETF

Amended cascading rules for determining Index Price when CoinDesk XBX is unavailable or inaccurate.
New tiered approach: primary (CoinDesk XBX), secondary (Coin Metrics Real-Time Rate), tertiary (principal market spot price), then sponsor's best judgment.
Sponsor has sole discretion to determine if an index does not reflect accurate price with no predefined criteria.
Change effective January 11, 2022; non-GAAP methodology not used in financial statements.

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