Serstech

Serstech has received an order from its US partner WS Darley and co valued at 10.7 MSEK. The order comprises instruments and software and will be delivered and invoiced during the fourth quarter of 2026. The end customer is the US Army.

For further information, please contact:

Stefan Sandor,

CEO, Serstech AB Phone: +46 739 606 067

Email: ss@serstech.com

or

Arve Nilsson,

Chairman of the Board, Serstech AB Phone: +45 40 35 82 65

Email: arve.nilsson@serstech.com

or visit: www.serstech.com

This is information that Serstech AB (publ.) is obliged to make public pursuant to the EU Market Abuse Regulation. The information was submitted for publication, through the agency of the contact person set out above at 18:40 CET on September 17, 2026.

Certified advisor to Serstech is Svensk Kapitalmarknadsgranskning AB (SKMG).

About Serstech

Serstech delivers solutions for chemical identification and has customers around the world, mainly in the safety and security industry. Typical customers are customs, police authorities, security organizations and first responders. The solutions and technology are however not limited to security applications and potentially any industry using chemicals of some kind could be addressed by Serstech’s solution. Serstech’s head office is in Sweden and all production is done in Sweden.

Serstech is traded at Nasdaq First North Growth Market and more information about the company can be found at www.serstech.com