Change of Name Effective

The following amendment has been made to the "Change of Name Effective" announcement released on 21 March 2025 at 07.00 under RNS No 5788B.

The Company's website address link has been changed to www.csc-holdings.com.

No other changes have been made. The full text of the amended announcement is set out below.

21 March 2025

Chesterfield Special Cylinders Holdings plc

(formerly Pressure Technologies plc)

("CSC" or "the Company")

Change of Name Effective

Further to announcements made on 5 February 2025 and 20 March 2025, the Company confirms the change of its name to Chesterfield Special Cylinders Holdings plc, with the associated TIDM 'CSC'.

The change of name was approved at the Company's Annual General Meeting on 20 March 2025 and Companies House has issued the associated change of name certificate. Trading in the Company's shares under the new company name and TIDM is expected to commence at 8:00 a.m. today.

The Company's ISIN (GB00B1XFKR57) and SEDOL (B1XFKR5) remain unchanged. The Company's Legal Entity Identifier (LEI) remains as 213800PTKN1VDP2DIN05. To reflect its new name, the Company's website address (including the information required by AIM Rule 26) has been changed to www.csc-holdings.com.

Shareholder documents of title will be unaffected by the change of name and existing share certificates should be retained and remain valid. Any new share certificates to be issued will bear the new name, Chesterfield Special Cylinders Holdings plc.

Chris Walters, Chief Executive of Chesterfield Special Cylinders Holdings, commented:

"The Chesterfield Special Cylinders brand is trusted by defence and industrial customers worldwide, and by a new and quickly developing hydrogen energy market. This exciting change today acknowledges a proud 125-year history and demonstrates a clear focus and ambition to deliver our recently announced medium-term goals."

For further information, please contact:

COMPANY DESCRIPTION 

www.csc-holdings.com

Chesterfield Special Cylinders Holdings plc is based in Sheffield and operates through its wholly owned subsidiary, Chesterfield Special Cylinders Limited ("CSC"). 

CSC is a market leading designer, manufacturer and supplier of safety-critical, high-pressure containment products and services to a global customer base in the defence, hydrogen energy, oil & gas and industrial markets. For more information on CSC, please visit www.chesterfieldcylinders.com