31 May 2023

CAP-XX Limited

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

Total Voting Rights

CAP-XX Limited, a world leader in the design and manufacture of supercapacitors and energy management systems, confirms that the Company's issued ordinary share capital as at the date of this announcement comprises 586,771,204 ordinary shares of no par value, with one voting right each. The Company does not hold any ordinary shares in treasury. Therefore, the total number of ordinary shares and voting rights in the Company is 586,771,204.

The above figure may be used by shareholders in the Company as the denominator for the calculations by which they will determine if they are required to notify their interest in, or a change to their interest in, the share capital of the Company.

For further information contact:

More information is available at www.cap-xx.com

Notes to Editors:

CAP-XX (LSE: CPX) is a world 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 about CAP-XX, visit www.cap-xx.com