SenesTech Expands Third-Party E-commerce Distribution with Grove Collaborative, Bringing Evolve® Rodent Birth Control™ Products to Sustainability-Focused Consumers

SURPRISE, Ariz., Sept. 23, 2026 /PRNewswire/ -- SenesTech, Inc. (NASDAQ: SNES), the leader in rodent birth control and sustainable rodent population management, today announced that its Evolve® family of rodent birth control products will soon be available through Grove Collaborative's online marketplace. The launch will expand consumer access to an innovative rodent control solution for environmentally conscious households.

Grove Collaborative is a leading sustainable consumer products marketplace offering products that meet rigorous standards for sustainability, ingredient transparency and performance. Its customers are highly engaged in finding effective and responsible solutions for their homes, making Evolve a strong addition to the Grove platform.

"Grove has built a loyal customer base by carefully selecting products that deliver strong performance while supporting more sustainable choices," said Michael Edell, President and Chief Executive Officer of SenesTech. "Evolve gives these consumers an effective rodent birth control solution that targets reproduction without relying solely on traditional rodenticides."

Evolve® products incorporate naturally derived ingredients that meet the EPA's minimum risk criteria. The products are designed to help reduce rodent populations and can be used independently or as part of an integrated pest management program.

"Grove represents more than simply another online sales channel for us," continued Edell. "It gives us the opportunity to introduce Evolve to consumers whose purchasing priorities closely match the product's combination of performance, innovation and sustainability."

The launch represents another step in SenesTech's strategy to expand the availability of its consumer products through high-quality third-party e-commerce channels while increasing awareness of rodent birth control as an effective approach to long-term rodent population management.

Evolve® products are expected to be available soon through Grove Collaborative's online marketplace at Grove.com.

About Grove Collaborative Holdings, Inc.

Grove Collaborative Holdings, Inc. (NYSE: GROV) is the one-stop online destination for everyday essentials that create a healthier home and planet. Everything Grove sells meets a higher standard, from health to sustainability and performance, so you get great value without compromising your values. As a B Corp and Public Benefit Corporation, every order is carbon neutral and supports plastic waste cleanup initiatives. Shopping with purpose starts at Grove.com.

About SenesTech

SenesTech is the leader in rodent birth control and sustainable rodent population management. The Company's Evolve® and ContraPest® fertility control solutions are designed to reduce rodent populations by targeting reproduction and can be used independently or as part of an integrated pest management (IPM) program. SenesTech serves consumer and professional markets with products, services and expertise that support effective, long-term rodent control. For more information, visit senestech.com.

Forward-Looking Statements

This press release contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995, including statements regarding anticipated market acceptance, customer adoption, future sales performance, channel expansion and the expected benefits of the Company's relationship with Grove Collaborative. Forward-looking statements also include statements regarding the effectiveness of Evolve® Rodent Birth Control™ products in reducing rodent populations, the regulatory status of ingredients designated by the U.S. Environmental Protection Agency as "minimum risk," the suitability of the products for residential use and their compatibility with integrated pest management practices, the expected overlap between Grove Collaborative's customer base and the audience the Company reaches through its own e-commerce channels, the potential for Evolve products to achieve momentum on Grove's platform and the Company's plans to expand distribution through additional retail and third-party e-commerce channels.

Words such as "believe," "expect," "anticipate," "intend," "plan," "will," "may" and similar expressions identify forward-looking statements. These statements reflect management's current expectations and are subject to risks and uncertainties that could cause actual results to differ materially from those expressed or implied, including the risk that the products do not achieve anticipated consumer acceptance or sales levels, that distribution relationships are modified, delayed or terminated, that product performance differs from expectations and that regulatory determinations or requirements change. Readers are encouraged to review the Company's filings with the Securities and Exchange Commission for a discussion of these and other risk factors. The Company undertakes no obligation to update any forward-looking statement, except as required by law.

CONTACT:

Investors: Robert Blum, Lytham Partners, LLC, (602) 889-9700, senestech@lythampartners.com

Company: Tom Chesterman, Chief Financial Officer, SenesTech, Inc., (928) 779-4143

SOURCE SenesTech, Inc.