Bitcoin mining company Cipher Mining has increased its convertible preferred note issuance size to $1.1 billion.

[Cipher Mining, a Bitcoin mining company, increases its issuance scale of convertible preferred notes to $1.1 billion] Nasdaq-listed Bitcoin mining company Cipher Mining announced plans to raise $1.1 billion through the issuance of convertible preferred notes maturing in 2031. It is reported that the fundraising scale of this new issuance has increased compared to the previously announced total principal amount of $800 million. The issuance and sale are scheduled for settlement on September 30, 2025, but are subject to customary closing conditions. The notes will not accrue interest, and the principal will not accumulate. Cipher Mining will also grant initial purchasers of the notes a 13-day option to purchase an additional $200 million of the notes.