Pryme halted its testing program following a production run of 27 tons of
pyrolysis oil

Rotterdam, 22 December 2025

After having processed approximately 35 tons of plastic waste since 18 December
2025, Pryme (the "Company") has halted its testing program today as the Company
suspected a potential gasket failure in the reactor discharge valve assembly. As
the inspection of the gasket requires the reactor to be cooled down and the
support of the original equipment manufacturer of the reactor and other external
parties to implement repairs and or improvements to be determined, Pryme
estimates to resume the reactor testing program no later than the end of January
2026. 

Hereby advancing its monthly update on the December 2025 production volume that
was  originally planned for 5 January 2026, the Company produced approximately
27 tons of pyrolysis oil in December, 2025.

For investor inquiries: ir@pryme-cleantech.com

About Pryme | www.pryme-cleantech.com

Pryme N.V. is an innovative cleantech company focused on converting plastic
waste into pyrolysis oil through chemical recycling on an industrial scale. Its
efficient and scalable technology is based on a proven process that has been
further developed and enhanced with proprietary characteristics. The company has
initialized production at its first plant in the port of Rotterdam, with an
expected nameplate intake capacity of about 26,000 tons of plastic waste
annually. Pryme's ambition is to contribute to a low-carbon circular plastic
economy and to realize the large rollout potential of its technology through the
development of a broad portfolio of owned-operated plants with strategic
partners.

The company is listed on Euronext Growth Oslo.

Pryme can be followed on LinkedIn.

Pryme N.V.   
Theemsweg 5, third floor, 3197 KM Botlek Rotterdam, the Netherlands  
Phone +31 10 209 2990 
Trade register number 75055449           
www.pryme-cleantech.com