Cipher mining announces pricing of upsized private offering of $1.1 billion of 0.00% convertible senior notes

New york, sept. 25, 2025 (globe newswire) -- cipher mining inc. (nasdaq:cifr) (“cipher” or the “company”), a leading developer and operator of industrial-scale data centers, today announced the pricing of its offering of $1.1 billion aggregate principal amount of 0.00% convertible senior notes due 2031 (the “notes”) in a private offering (the “offering”) to persons reasonably believed to be qualified institutional buyers pursuant to rule 144a under the securities act of 1933, as amended (the “securities act”). the offering size was increased from the previously announced offering size of $800 million aggregate principal amount of notes. the issuance and sale of the notes are scheduled to settle on september 30, 2025, subject to customary closing conditions. cipher granted the initial purchasers of the notes a 13-day option to purchase up to an additional $200 million aggregate principal amount of notes.
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