Company: BWXT
Filing Date: 2025-03-06
Form Type: PRE 14A
Source: 0001486957-25-000011
Chunk: 11

Company: BWX Technologies, Inc.
Filing Date: 2025-03-06
Form: PRE 14A
Chunk 11
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, you can change your vote at that time, if you then desire to do so.

#### Beneficial Owner
If you are the beneficial owner of shares held in street name, the methods by which you can access the proxy materials and give the voting instructions to the broker or nominee may vary. Accordingly, beneficial owners should follow the instructions provided by their brokers or nominees to vote by Internet, telephone or mail. If you want to vote by mail but have not received a printed version of these proxy materials, you may request a full packet of proxy materials as instructed by the Notice. If you want to vote your shares during the Annual Meeting, you must obtain a valid proxy from your broker or nominee. You should contact your broker or nominee or refer to the instructions provided by your broker or nominee for further information. Additionally, the availability of Internet or telephone voting depends on the voting process used by the broker or nominee that holds your shares.

You may receive more than one Notice or proxy statement and proxy card or voting instruction form if your shares are held through more than one account (e.g., through different brokers or nominees). Each proxy card or voting instruction form only covers those shares held in the applicable account. If you hold shares in more than one account, you will have to provide voting instructions for all of your accounts to vote all your shares.

### HOW TO CHANGE YOUR VOTE OR REVOKE YOUR PROXY

#### Stockholders of Record
For stockholders of record, you may change your vote or revoke your proxy by written notice to our Corporate Secretary at our corporate headquarters, 800 Main Street, 4 th Floor, Lynchburg, Virginia 24504, granting a new later dated proxy, submitting a later dated proxy by telephone or on the Internet, or by voting during the Annual Meeting. Unless you attend the Annual Meeting and vote your shares, you should change your vote using the same method

#### 22025 PROXY STATEMENT
| VOTING INFORMATION |

(by Internet, telephone or mail) that you first used to vote your shares. This will help the inspector of election for the Annual Meeting verify your latest vote.

#### Beneficial Owners
For beneficial owners of shares held in street name, you should follow the instructions in the information provided by your broker or nominee to change your vote or revoke your proxy. If you want to change your vote as to shares held in street name by voting during the Annual Meeting, you must obtain a valid proxy from the broker or nominee that holds those shares for you.

### QUORUM
The