Calix, Inc. (NYSE:CALX) today announced that on Monday, July 21, 2025, after market close, the company will post on the Calix Investor Relations website its second quarter 2025 stockholder letter for the period ended June 28, 2025. The posting of the stockholder letter will be announced over the newswire with a link to the letter to stockholders available at https://investor-relations.calix.com/.

Calix will host a conference call to discuss these results the following morning on Tuesday, July 22,2025, at 5:30 a.m. Pacific Time / 8:30 a.m. Eastern Time.

Interested parties may listen to a live webcast of the conference call by visiting the Events section of the Calix Investor Relations website. The live conference call will be available by dialing (877) 407-4019, or international (201) 689-8337, with conference ID#13754440. Participants may also click this link for instant telephone access to the event. The link will become active approximately 15 minutes prior to the start of the conference call. The conference call and webcast will include forward-looking information.

A webcast replay of the conference call will be available following its completion and will be archived on the Calix Investor Relations website.

About Calix

Calix, Inc. (NYSE:CALX) – Calix is an appliance-based platform, cloud and managed services company. Broadband experience providers leverage Calix's broadband platform, cloud and managed services to simplify their operations, subscriber engagement and services; innovate for their consumer, business and municipal subscribers; and grow their value for members, investors and the communities they serve.

Our end-to-end platform and managed services democratize the use of data—enabling our customers of any size to operate efficiently, acquire subscribers and deliver exceptional experiences. Calix is dedicated to driving continuous improvement in partnership with our growing ecosystem to support the transformation of our customers and their communities.

Category: Financial

View source version on businesswire.com: https://www.businesswire.com/news/home/20250630696779/en/

Investor Inquiries:

Nancy Fazioli

VP, Investor Relations

(669) 308-3901

InvestorRelations@calix.com

Calix to Post Second Quarter 2025 Results on July 21, 2025