X0306 4 2020-12-28 0 0001065059 CENTRUS ENERGY CORP LEU 0001636063 PONEMAN DANIEL B CENTRUS ENERGY CORP. 6901 ROCKLEDGE DRIVE, SUITE 800 BETHESDA MD 20817 0 1 0 0 President and CEO Class A Common Stock 2020-12-28 4 M 0 12000 4.37 A 32000 D Class A Common Stock 2020-12-28 4 S 0 8589 26.4657 D 23411 D Class A Common Stock 2020-12-28 4 S 0 1900 27.3911 D 21511 D Class A Common Stock 2020-12-28 4 S 0 1511 28.1939 D 20000 D Employee Stock Option (right to buy) 4.37 2020-12-28 4 M 0 12000 0 A 2025-03-06 Class A Common Stock 12000 288000 D The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person on November 27, 2020 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended. This transaction was executed in multiple trades at prices ranging from $26.065 to $26.98; the price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide full information regarding the number of shares and prices at which the transactions were effected upon request to the SEC, Centrus Energy Corp., or a security holder of Centrus Energy Corp. This transaction was executed in multiple trades at prices ranging from $27.01 to $27.95; the price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide full information regarding the number of shares and prices at which the transactions were effected upon request to the SEC, Centrus Energy Corp., or a security holder of Centrus Energy Corp. This transaction was executed in multiple trades at prices ranging from $28.00 to $28.44; the price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide full information regarding the number of shares and prices at which the transactions were effected upon request to the SEC, Centrus Energy Corp., or a security holder of Centrus Energy Corp. Stock otions vest in four equal annual installments beginning on March 6, 2016. /s/ Dennis J. Scott, Attorney-in-Fact 2020-12-29