X0206 3 2025-06-16 0 0001486957 BWX Technologies, Inc. BWXT 0002076159 Miller Joseph Kirwan 800 MAIN STREET LYNCHBURG VA 24504 0 1 0 0 Pres., Government Operations Common Stock 3870 D Restricted Stock Units 0 Common Stock 162 D Restricted Stock Units 0 Common Stock 3379 D Restricted Stock Units 0 Common Stock 264 D Restricted Stock Units 0 Common Stock 468 D Employee Stock Option (right to buy) 106.64 Common Stock 1794 D Employee Stock Option (right to buy) 100.83 Common Stock 1404 D Employee Stock Option (right to buy) 61.70 Common Stock 1884 D RSUs vest in three equal annual installments beginning February 27, 2024. RSUs vest on September 1, 2026. RSUs vest in three equal annual installments beginning February 28, 2025. RSUs vest in three equal annual installments beginning February 26, 2026. Stock Options vest in three equal annual installments beginning February 26, 2026. Stock Options expire February 26, 2035. Stock Options vest in three equal annual installments beginning February 29, 2025. Stock Options expire February 29, 2034. Stock Options vest in three equal annual installments beginning February 27, 2024. Stock Options expire February 27, 2033. Exhibit 24 - Power of Attorney /s/ Joseph K. Miller by Theresa B. Taylor, attorney-in-fact 2025-07-08