Grayscale Bitcoin Trust BTC

The Sponsor maintains an internet website at www.etfs.grayscale.com/gbtc, through which the Trust’s annual reports on Form 10-K, quarterly reports on Form 10-Q, current reports on Form 8-K, and amendments to those reports filed or furnished pursuant to Section 13(a) of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), are made available free of charge after they have been filed with or furnished to the SEC. Additional information regarding the Trust may also be found on the SEC’s EDGAR database at www.sec.gov.

You can also view these consent materials on the internet at our website at www.proxyvote.com. You may also obtain other information about us by visiting our website at www.etfs.grayscale.com/gbtc. Other than the Consent Solicitation Statement, information contained on our website is not part of this Consent Solicitation Statement.

The contents of the websites referred to above and any websites referred to herein are not incorporated into this filing. Further, our references to the URLs for these websites are intended to be inactive textual references only.

Appendix A