Company: RCUS
Filing Date: 2025-04-22
Form Type: DEF 14A
Source: 0001724521-25-000052
Chunk: 6

Company: Arcus Biosciences, Inc.
Filing Date: 2025-04-22
Form: DEF 14A
Chunk 6
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 the accompanying proxy to vote, to the extent permitted by rules promulgated by the SEC, on those matters in accordance with their best judgment.

<div align='center'>2.</div>

#### How do I vote?
You may either vote “For” all of the nominees to the Board or you may “Withhold” your vote for any nominee you specify. For the ratification of appointment by the Audit Committee of the Board (the "Audit Committee") of Ernst & Young LLP as our independent registered public accounting firm for the fiscal year ending December 31, 2025, you may vote “For” or “Against” or abstain from voting. For the approval, on an advisory basis, of the compensation of our named executive officers, you may vote “For” or “Against” or abstain from voting.

The procedures for voting are fairly simple:

Stockholder of Record: Shares Registered in Your Name

If you are a stockholder of record (see "Who can vote at the Annual Meeting?—Stockholder of Record: Shares Registered in Your Name" above), you may vote online at the Annual Meeting, vote by proxy over the telephone, vote by proxy through the internet, or vote by proxy using a proxy card that you may request or that we may elect to deliver at a later time. Whether or not you plan to attend the meeting, we urge you to vote by proxy to ensure your vote is counted. You may still attend the meeting and vote online even if you have already voted by proxy.

• To vote online during the Annual Meeting, attend the Annual Meeting at www.virtualshareholdermeeting.com/RCUS2025 and vote your shares during the Annual Meeting. You will need your 16-digit control number provided in the Notice or proxy card in order to gain access to the Annual Meeting.

• To vote using the proxy card, simply complete, sign and date the proxy card that may be delivered to you and return it promptly in the envelope provided. If you return your signed proxy card to us before the Annual Meeting, we will vote your shares as you direct.

• To vote over the telephone, dial toll-free 1-800-690-6903 using a touch-tone phone and follow the recorded instructions. You will be asked to provide the company number and control number from the Notice. Your telephone vote must be received by 11:59 p.m. Eastern Time, on June 9, 2025, to be counted.

• To vote through the internet, go to www.proxyvote.com