Company: CALX
Filing Date: 2025-03-27
Form Type: DEF 14A
Source: 0001406666-25-000011
Chunk: 100

Company: CALIX, INC
Filing Date: 2025-03-27
Form: DEF 14A
Chunk 100
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.com or by telephone at (408) 474-0080. Stockholders who currently receive multiple copies of the Notice of Internet Availability of Proxy Materials at their address and would like to request “householding” of their communications should contact their broker. In addition, Calix will promptly deliver, upon written or oral request to the address or telephone number above, a separate copy of the Notice of Internet Availability of Proxy Materials to a stockholder at a shared address to which a single copy of the documents was delivered.

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### OTHER MATTERS
The Board knows of no other matters that will be presented for consideration at the Annual Meeting. If any other matters are properly brought before the Annual Meeting, it is the intention of the persons named in the proxy card to vote on such matters in accordance with their best judgment.

### ANNUAL REPORTS
The 2024 Annual Report to Stockholders, including our 2024 Annual Report on Form 10-K (which is not a part of our proxy soliciting materials), will be mailed with this Proxy Statement to those stockholders that request and receive a copy of the proxy materials in the mail. Stockholders that received the Notice of Internet Availability of Proxy Materials can access this Proxy Statement and our 2024 Annual Report at www.proxyvote.com .

We have filed our Annual Report on Form 10-K for the year ended December 31, 2024 with the SEC. It is available free of charge in the “SEC Filings” section of our website at investor-relations.calix.com or at the SEC’s website at www.sec.gov . Upon written request by a Calix stockholder, we will mail without charge a copy of our Annual Report on Form 10-K, including the financial statements and financial statement schedules, but excluding exhibits to the Annual Report on Form 10-K. Exhibits to the Annual Report on Form 10-K are available upon payment of a reasonable fee, which is limited to our expenses in furnishing the requested exhibit. All requests should be directed to Investor Relations, Calix, Inc., 2777 Orchard Parkway, San Jose, California 95134 or InvestorRelations@calix.com.

|                |     | By Order of the Board of Directors |
|                |     | /s/ Douglas McNitt                 |
|                |     | Douglas McNitt                     |
|                |     | Corporate Secretary                |
| March 27, 2025 |     |                                    |

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