Barber Lake lease amendment with AI lab
Company: Cipher Mining - Project: Barber Lake Facility
The claim, verbatim
Cipher amended the Barber Lake lease by contracting directly with a leading AI lab for an additional 10 years, giving a 20-year base term and raising total contracted revenue from $3.8Bn to about $9.1Bn ($5.2Bn incremental).
Source (primary)
cipher-mining 8-K exhibit (d134900dex991.htm) (SEC EDGAR (8-K Ex), press_release)
View cached copy (2026-10-14)Live source ↗
Quote: “Total contracted revenue at Barber Lake increases from $3.8Bn to over $9Bn (~$5.2Bn incremental)”
How we checked this
Checked on October 16, 2026. The cited source supports every part of this claim.
The presentation states the direct AI lab contract for an additional 10 years and a 20-year base lease term. It also gives the rise from $3.8Bn to over $9Bn, shown as $9.1Bn, with about $5.2Bn incremental.
Confirmed in the source:
- Cipher amended the Barber Lake lease by contracting directly with a leading AI lab for an additional 10 years
- The amended Barber Lake base lease term is 20 years
- Barber Lake total contracted revenue rises from $3.8Bn to $9.1Bn
- The amendment adds about $5.2Bn of incremental contracted revenue
What we did: Read our cached copy of SEC EDGAR (8-K Ex) (https://www.sec.gov/Archives/edgar/data/1819989/000119312526419743/d134900dex991.htm) in full (17,922 characters, retrieved October 14, 2026) and checked each assertion in the claim against it.
Additional evidence
confirms cipher-mining 8-K exhibit (d134900dex991.htm)
Quote: “Total contracted revenue at Barber Lake increases from $3.8Bn to over $9Bn (~$5.2Bn incremental)”