Jane Street Group's 5% Ownership in Cipher Mining Inc.

Jane Street Group, LLC, along with its subsidiaries Jane Street Capital, LLC, Jane Street Options, LLC, and Jane Street Global Trading, LLC, has reported a 5% ownership in Cipher Mining Inc. through a Schedule 13G filing. The group collectively owns 19,682,871 shares of Cipher Mining's common stock, valued at approximately $44,876,945.88. The filing indicates that the shares are not held for the purpose of influencing the control of the issuer. The subsidiaries have varying ownership percentages, with Jane Street Capital, LLC owning 0.2%, Jane Street Options, LLC owning 2.1%, and Jane Street Global Trading, LLC owning 2.7%. The filing was signed by Jeremy Kahn, an authorized signatory for all entities.