26 March 2025

CAP-XX Limited

("CAP-XX" or the "Company")

Grant of options

CAP-XX Limited (LON: CPX), a global leader in the design and manufacture of supercapacitors and energy management systems, announces that Lars Stegmann, Chief Executive Officer, has been granted 60,000,000 options (the "Options") over ordinary shares in the Company ("Ordinary Shares"). The Options have an exercise price of 0.13p, being the closing mid-market price of an Ordinary share on 25 March 2025, the last practicable date prior to the grant of the Options. The Options vest immediately and have a term for exercise of five years. Following this grant of Options, the total number of options outstanding over Ordinary Shares in the Company will be 324,165,000.

For further information contact:

CAP-XX Limited

Dr. Graham Cooley (Chairman)                                                         +61 (2) 9157 0000

Lars Stegmann (Chief Executive Officer)

Allenby Capital (Nominated Adviser and Broker)

David Hart / Piers Shimwell (Corporate Finance)                              +44 (0) 20 3328 5656

Jos Pinnington / Tony Quirke (Sales and Corporate Broking)

Notes to Editors:

About CAP-XX

CAP-XX (LSE: CPX) is a leader in the design and manufacture of thin, flat supercapacitors and energy management systems used in portable and small-scale electronic devices, and to an increasing extent, in larger applications such as automotive and renewable energy. The unique feature of CAP-XX supercapacitors is their very high-power density and high energy storage capacity in a space-efficient prismatic package. These attributes are essential in power-hungry consumer and industrial electronics and deliver similar benefits in automotive and other transportation applications.

For more information visit www.cap-xx.com

Notification and public disclosure of transactions by persons discharging managerial responsibilities and persons closely associated with them.