Stem, Inc. (NYSE:STEM), a global leader in clean energy software and services, will hold a conference call on Wednesday, May 6, 2026, to discuss its financial results for the quarter ended March 31, 2026.

The conference call is scheduled to begin at 5:00 p.m. Eastern Time. A press release regarding the results will be issued at approximately 4:05 p.m. Eastern Time.

The conference call may be accessed via a live webcast on a listen-only basis at https://investors.stem.com/events-and-presentations. The call can also be accessed live over the telephone by dialing (877) 407-3982, or for international callers (201) 493-6780, and referencing Stem.

A replay will be available shortly after the call and can be accessed by dialing (844) 512-2921, or for international callers, (412) 317-6671. The passcode for the reply is 13757929. The replay will be available until Saturday, June 6, 2026. An archive of the webcast will be available shortly after the call on Stem's website at https://investors.stem.com/overview for 12 months following the call.

About Stem

Stem (NYSE:STEM) is a global leader reimagining technology to support the energy transition. We turn complexity into clarity and potential into performance.

Stem helps asset owners, operators, and energy stakeholders unlock the full value of their portfolios by enabling the intelligent development, deployment, and operation of clean energy assets. Stem's integrated software suite, PowerTrack^™, is the industry-standard and best-in-class platform for asset monitoring and optimization and is backed by expert professional and managed services, all delivered under one roof. Designed to address complex energy challenges seamlessly, our technology transforms raw data into clear, actionable insights, providing the visibility and intelligence needed to drive performance. With projects across 55 countries, customers have trusted Stem for nearly 20 years to maximize the value of their clean energy investments.

Driven by human and artificial intelligence, Stem is unlocking energy intelligence. Learn more at stem.com.

Source: Stem, Inc.

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For News Media:

Stem Investor Contacts

Erin Reed, Stem

Marc Silverberg, ICR

IR@stem.com

Stem Media Contact

Tatjana Legans, Stem

press@stem.com

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