Company: CALX
Filing Date: 2025-03-27
Form Type: DEF 14A
Source: 0001406666-25-000011
Chunk: 5

Company: CALIX, INC
Filing Date: 2025-03-27
Form: DEF 14A
Chunk 5
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 stock outstanding and entitled to vote.

#### For Shares Registered in Your Name
If, on March 11, 2025, your shares were registered directly in your name with Calix’s transfer agent, Computershare Inc., then you are a registered stockholder and will receive the proxy materials directly from Broadridge Financial Solutions, Inc. (“Broadridge”), an independent agent who we have engaged to tabulate votes for the Annual Meeting. You are the stockholder of record and may vote online at the Annual Meeting or vote by proxy.

Whether or not you expect to attend, you should vote and submit your proxy over the Internet following the voting procedures described in the Notice to ensure that your vote is recorded. If you have requested and received paper copies of proxy materials, you can also vote over the phone or by signing, dating and returning by mail the proxy card sent to you.

For Shares Registered in the Name of a Broker, Bank or Other Agent

If, on March 11, 2025, your shares were held in an account at a brokerage firm, bank, dealer or other similar organization, then you are the beneficial owner of shares held in “street name” and these proxy materials are being forwarded to you by that organization. The organization holding your account is considered the stockholder of record for purposes of voting at the Annual Meeting. As the beneficial owner of the shares, you have the right to direct your broker or other agent on how to vote the shares in your account. You are also welcome to join the Annual Meeting and to vote online.

What do I need in order to be able to join the Annual Meeting online?

Any stockholder can join the Annual Meeting live online at www.virtualshareholdermeeting.com/CALX2025 . The webcast will start at 10:45 a.m. Pacific Daylight Time. Stockholders may vote and submit questions while attending the Annual Meeting online. In order to be able to participate in the online Annual Meeting, you will need the control number included on your Notice or, if you received a printed copy of the proxy materials, your proxy card if you are a registered stockholder, or included with your voting instruction card and voting instructions you received from your broker, bank or other agent if you hold your shares in “street name.” Instructions on how to participate online are also posted online at www.virtualshareholdermeeting.com/CALX2025 .

#### Why is Calix holding the Annual Meeting online?
Calix has held its annual meetings online since 2012. Among other reasons