Company: PACB
Filing Date: 2025-04-23
Form Type: DEF 14A
Source: 0001299130-25-000090
Chunk: 7

Company: PACIFIC BIOSCIENCES OF CALIFORNIA, INC.
Filing Date: 2025-04-23
Form: DEF 14A
Chunk 7
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2025, type your question into the “Ask a Question” field, and click “Submit”. Stockholders are permitted to submit questions before and during the Annual Meeting via the virtual meeting website, with a limit of one question per stockholder. We will answer as many questions submitted in accordance with the meeting rules of conduct as possible in the time allotted for the meeting. Only questions that are relevant to an agenda item to be voted on by stockholders will be answered. Our virtual meeting website will also contain instructions for accessing technical support to assist in the event a stockholder encounters any difficulties accessing the virtual meeting.

| 2025 Proxy Statement |     | 3 |

TABLE OF CONTENTS

#### How do I vote and what are the voting deadlines?
Stockholders of Record . If you are a stockholder of record, there are several ways for you to vote your shares:

• By mail. If you received printed proxy materials, you may submit your vote by completing, signing and dating each proxy card received and returning it in the prepaid envelope. Sign your name exactly as it appears on the proxy card. Proxy cards submitted by mail must be received no later than by close of business on June 3, 2025 to be voted at the Annual Meeting.

• By telephone or via the internet. You may vote your shares by telephone at 1-800-690-6903 or via http://www.proxyvote.com by following the instructions provided in the proxy card. If you vote by telephone or via the internet, you do not need to return a proxy card by mail. Internet and telephone voting are available 24 hours a day. Votes submitted by telephone or via the internet must be received by 11:59 p.m. Eastern Time on June 3, 2025.

• Electronically at the Annual Meeting. You may vote your shares electronically at the Annual Meeting. If you desire to vote during the meeting, please follow the instructions for attending and voting during the Annual Meeting posted at www.virtualshareholdermeeting.com/PACB2025. Even if you plan to attend the Annual Meeting, we recommend that you also submit your proxy card or voting instructions or vote by telephone or via the internet by the applicable deadline so that your vote will be counted if you later decide not to attend the Annual Meeting.

Street Name Stockholders. If you are a beneficial owner of your shares, you should have received the proxy materials and voting instructions from the broker, bank or other nominee holding your shares. You should follow the voting instructions provided by your