---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-23-045092"
form_type: "8-K"
ticker: "CIFR"
cik: "0001819989"
company_name: "Cipher Digital Inc."
filed_at: "2023-08-29T23:59:59+00:00"
generated_at: "2026-06-11T02:28:58.884420+00:00"
event_type: "litigation"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Cipher Mining settles legal proceeding with Luminant, amends power purchase and lease agreements for Odessa facility

## Summary
- Cipher Mining entered into a Fourth Amendment to the Power Purchase Agreement with Luminant ET Services, reducing notice requirements for energy consumption changes from two hours to ten minutes.
- A Second Amendment to the Lease Agreement extends the initial lease term for the Odessa Facility land through July 2027.
- The amendments were executed on August 23, 2023, in connection with the settlement of a legal proceeding with Luminant ET Services Company LLC.
- The Amended PPA allows Cipher to consume up to 10% more energy than the elected quantity without additional notice, subject to certain pricing conditions.

## SEC filing metadata
- accession: 0000950170-23-045092
- form_type: 8-K
- ticker: CIFR
- cik: 0001819989
- company_name: Cipher Digital Inc.
- filed_at: 2023-08-29T23:59:59+00:00
- event_type: litigation
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1819989/000095017023045092/0000950170-23-045092-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1819989/000095017023045092/cifr-20230823.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-23-045092
- JSON: https://secwatch.observer/filing/0000950170-23-045092.json
- Plain text: https://secwatch.observer/filing/0000950170-23-045092.txt

## Key facts
- Material Agreements
  Cipher Digital Inc. amended Second Amendment to the Lease Agreement with affiliate of Luminant ET Services Company LLC valued at Extended initial term of the lease until July 2027 (effective 2023-08-23).
  - Action: amendment
  - Agreement: lease
  - Counterparty: affiliate of Luminant ET Services Company LLC
  - Value: Extended initial term of the lease until July 2027
  - Effective: 2023-08-23
  source text: in connection with the settlement of a legal proceeding with Luminant ET Services Company LLC (“Luminant”), on August 23, 2023, Cipher Mining Inc. (the “Company”), through Cipher Mining Technologies Inc. ("CMTI"), entered into (i) a Fourth Amendment to the Power Purchase Agreement (the “Amended PPA”) with Luminant, which amended the Power Purchase Agreement, dated June 23, 2021, which was subsequently amended on July 9, 2021, February 28, 2022, and August 26, 2022 (the “Original Agreement”), for the supply of electric power to the Company’s data center in Odessa, Texas (the “Odessa Facility”) and (ii) a Second Amendment to the Lease Agreement (the "Amended Lease") with an affiliate of Luminant, which amended the Lease Agreement dated June 29, 2021, which was subsequently amended on July 9, 2021, for a lease of the plot of land for the Odessa Facility.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1819989/000095017023045092/0000950170-23-045092-index.htm
- Material Agreements
  Cipher Digital Inc. amended Fourth Amendment to the Power Purchase Agreement with Luminant ET Services Company LLC valued at Reduces notice requirements from two hours to at most ten minutes for changes in energy consumption (effective 2023-08-23).
  - Action: amendment
  - Agreement: supply
  - Counterparty: Luminant ET Services Company LLC
  - Value: Reduces notice requirements from two hours to at most ten minutes for changes in energy consumption
  - Effective: 2023-08-23
  source text: in connection with the settlement of a legal proceeding with Luminant ET Services Company LLC (“Luminant”), on August 23, 2023, Cipher Mining Inc. (the “Company”), through Cipher Mining Technologies Inc. ("CMTI"), entered into (i) a Fourth Amendment to the Power Purchase Agreement (the “Amended PPA”) with Luminant, which amended the Power Purchase Agreement, dated June 23, 2021, which was subsequently amended on July 9, 2021, February 28, 2022, and August 26, 2022 (the “Original Agreement”), for the supply of electric power to the Company’s data center in Odessa, Texas (the “Odessa Facility”) and (ii) a Second Amendment to the Lease Agreement (the "Amended Lease") with an affiliate of Luminant, which amended the Lease Agreement dated June 29, 2021, which was subsequently amended on July 9, 2021, for a lease of the plot of land for the Odessa Facility.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1819989/000095017023045092/0000950170-23-045092-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.