Company: DAWN
Filing Date: 2025-04-11
Form Type: DEF 14A
Source: 0001140361-25-013462
Chunk: 6

Company: Day One Biopharmaceuticals, Inc.
Filing Date: 2025-04-11
Form: DEF 14A
Chunk 6
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shareholdermeeting.com/DAWN2025. |

| • | Stockholders of record and beneficial owners as of the Record Date may vote their shares electronically during the Annual Meeting. |

| • | If you wish to submit a question during the Annual Meeting, log into the virtual meeting platform at www.virtualshareholdermeeting.com/DAWN2025, type your question into the “Ask a Question” field, and click “Submit.” If your question is properly submitted during the relevant portion of the meeting agenda, we will respond to your question during the live webcast, subject to time constraints. Questions that are substantially similar may be grouped and answered together to avoid repetition. We reserve the right to exclude questions that are irrelevant to meeting matters, irrelevant to the business of Day One, or derogatory or in bad taste; that relate to pending or threatened litigation; that are personal grievances; or that are otherwise inappropriate (as determined by the chair of the Annual Meeting). |

| • | If we experience technical difficulties during the meeting (e.g., a temporary or prolonged power outage), we will determine whether the meeting can be promptly reconvened (if the technical difficulty is temporary) or whether the meeting will need to be reconvened on a later day (if the technical difficulty is more prolonged). In any situation, we will promptly notify stockholders of the decision via www.virtualshareholdermeeting.com/DAWN2025. If you encounter technical difficulties accessing our meeting or asking questions during the meeting, a support line will be available on the login page of the virtual meeting website. |

Voting Rights; Required Vote In deciding all matters at the Annual Meeting, as of the close of business on the Record Date, each share of common stock represents one vote. We do not have cumulative voting rights for the election of directors. You may vote all shares owned by you as of the Record Date, including (i) shares held directly in your name as the stockholder of record and (ii) shares held for you as the beneficial owner in street name through a broker, bank, trustee, or other nominee. Stockholder of Record: Shares Registered in Your Name. If, on the Record Date, your shares were registered directly in your name with our transfer agent, Equiniti Trust Company, LLC, then you are considered the stockholder of record with respect to those shares. As a stockholder of record, you may vote at the Annual Meeting or vote by telephone, through the Internet or, if you request or receive paper proxy materials, by