Centrus Energy reports $55.5M revenue for Q3 2026

Item 6.

Exhibits

72

Signatures

73

2

Glossary of Certain Terms and Abbreviations¹

Centrus Energy Corp. and Related Entities

ACO

American Centrifuge Operating LLC, a subsidiary of Centrus

Board Centrus Energy Corp.'s Board of Directors

Centrus Centrus Energy Corp.

Enrichment Corp. United States Enrichment Corporation, a subsidiary of Centrus

Paducah GDP Paducah Gaseous Diffusion Plant, an enrichment plant in Paducah, Kentucky, formerly operated by Enrichment Corp.

Piketon Production facility in Piketon, Ohio

Portsmouth GDP Portsmouth Gaseous Diffusion Plant, an enrichment plant near Portsmouth, Ohio, formerly operated by Enrichment Corp.

USEC-Government Enrichment Corp. prior to 1993, a wholly-owned government corporation prior to its privatization in July 1998

Other Terms and Abbreviations

0% Convertible Notes

0% Convertible Senior Notes, maturing August 2032 unless repurchased, redeemed or converted

2.25% Convertible Notes

2.25% Convertible Senior Notes, maturing November 2030 unless repurchased, redeemed or converted

2002 DOE-USEC Agreement June 17, 2002 agreement between Centrus (then known as USEC Inc.) and the DOE

5B Cylinders

Storage cylinders for HALEU UF 6 produced by the HALEU demonstration cascade

8.25% Notes 8.25% Notes, originally maturing February 2027, redeemed in March 2025

American Centrifuge

Advanced uranium enrichment gas centrifuge technology previously developed, based on the proven workable U.S. centrifuge technology developed by DOE in the mid-1980s and utilized in a demonstration facility in 2012-2013

American Centrifuge Plant³

Refers to a demonstration facility in Piketon, Ohio³ where USEC planned to install a lead cascade of centrifuge machines to demonstrate the American Centrifuge technology under the terms of the 2002 DOE-USEC Agreement

ARDP DOE's Advanced Reactor Demonstration Program

ATM At the Market

Class A Common Stock Class A common stock, $0.10 par value per share

Class B Common Stock Class B common stock, $0.10 par value per share

Common Stock Class A Common Stock and Class B Common Stock

D&D Decontamination & Decommissioning

DOC U.S. Department of Commerce

DOE U.S. Department of Energy

EPC Contract

Engineering, procurement and construction contract

EU European Union

Exchange Act Securities Exchange Act of 1934, as amended

HALEU High Assay Low-Enriched Uranium

HALEU Deconversion Contract

An IDIQ contract awarded by DOE to ACO on October 4, 2024 for the deconversion of HALEU

HALEU Demonstration Contract Three-year, $115.0 million cost-share contract with DOE² signed in 2019 by Centrus' subsidiary, ACO

HALEU Production Contract

An IDIQ contract awarded by DOE to ACO on October 16, 2024 for the production of HALEU

HALEU Operation Contract HALEU production contract with DOE signed in 2022

3

IDIQ

Indefinite Delivery, Indefinite Quantity, a type of government contract that provides for an indefinite quantity, within stated limits, of supplies or services during a fixed period under which the government places orders for individual requirements

IEA International Energy Agency

Import Ban Act

The "Prohibiting Russian Uranium Imports Act" enacted in May 2024 that bans imports of LEU from Russia into the U.S., effective August 11, 2024, subject to issuance of waivers by the DOE

LEU Low-Enriched Uranium; term is also used to refer to the Centrus Energy Corp. business segment which supplies commercial customers with various components of nuclear fuel

LEU Production Contract

An IDIQ contract awarded by DOE to ACO on December 10, 2024 for expansion of domestic LEU production

Natural Uranium

Raw material needed to produce LEU and HALEU

NOL Net Operating Loss

NRC U.S. Nuclear Regulatory Commission

NUBIL Net unrealized built-in loss

Orano Orano Cycle

Orano Supply Agreement Long-term supply of SWU contained in LEU, signed by Enrichment Corp. with Orano in 2018

Power MOU Memorandum of understanding between the DOE and USEC-Government

Price-Anderson Act Price-Anderson Nuclear Industries Indemnity Act (Section 170 of the U.S. Atomic Energy Act of 1954, as amended)

RFP

Request for Proposal

RFTOP Request for Task Order Proposal

Rights Agreement Section 382 Rights Agreement, dated as of April 6, 2016, by and among the Company and Computershare Trust Company, N.A. and Computershare Inc., as rights agent, as amended

Rosatom

Russian State Atomic Energy Corporation

RSA 1992 Russian Suspension Agreement, as amended

Russian Decree

Russian Federal Decree No. 1544, passed on November 14, 2024, that rescinded TENEX's general license to export LEU to the United States or to entities registered in the United States, effective through December 31, 2025 and extended through December 31, 2027 by Russian Federal Decree No. 1516, enacted on October 2, 2025

SARs Stock appreciation rights

SEC U.S. Securities & Exchange Commission

SWU Separative work unit

Technical Solutions

The Centrus business segment focused on uranium enrichment for the nuclear industry and the U.S. government and advanced manufacturing, engineering and other technical services to government and private sector customers

TENEX Russian government-owned entity TENEX, Joint-Stock Company

TENEX Supply Contract March 23, 2011 Enriched Product Transitional Supply Contract with TENEX through 2028

U.S. GAAP

Generally Accepted Accounting Principles in the United States

U 3 O 8

Uranium oxide, aka "yellowcake"

UF 6

Uranium hexafluoride

WNA World Nuclear Association

4

FORWARD-LOOKING STATEMENTS CAUTIONARY STATEMENTS REGARDING FORWARD-LOOKING INFORMATION

This Quarterly Report on Form 10-Q of Centrus (the "Company," "we" or "us") contains "forward-looking statements" within the meaning of Section 21E of the Exchange Act of 1934, and the Private Securities Litigation Reform Act of 1995. In this context, forward-looking statements mean statements related to future events, which may impact our expected future business and financial performance, and often contain words such as "expects", "anticipates", "intends", "plans", "believes", "will", "shoul