For Immediate Release

8 June 2021

NCC GROUP PLC

COMPLETION OF ACQUISITION

On 13 May 2021 NCC Group plc (LSE: NCC, "NCC", the "Company" or the "Group") announced that it had signed an agreement for the acquisition of the Intellectual Property Management business (the "IPM Business") of Iron Mountain Inc. ("Iron Mountain"), comprising substantially all of the assets of Iron Mountain Intellectual Property Management, Inc. together with certain other assets of affiliates of Iron Mountain exclusively related to the IPM Business (the "Acquisition").

NCC today announces that, pursuant to the terms of the agreement, the Acquisition has completed.

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About NCC Group plc

NCC Group exists to make the world safer and more secure. As global experts in cyber security and risk mitigation, NCC Group is trusted by over 14,000 customers worldwide to protect their most critical assets from the ever-changing threat landscape. With the company's knowledge, experience and global footprint, it is best placed to help organisations assess, develop and manage their cyber resilience posture.

To support its mission, NCC Group continually invests in research and innovation and is passionate about developing the next generation of cyber scientists.  With circa 2,000 colleagues in 12 countries, NCC Group has a significant market presence in North America, Europe and the UK, and a rapidly growing footprint in Asia Pacific with offices in Australia, Japan and Singapore.

Important notices

Lazard & Co., Limited ("Lazard") is acting as financial adviser to NCC and Peel Hunt LLP ("Peel Hunt") is acting as sponsor to NCC in connection with the Acquisition. Each of the Lazard and Peel Hunt is authorised and regulated by the Financial Conduct Authority in the United Kingdom and is acting exclusively for NCC and no one else in connection with the Acquisition and will not regard any other person (whether or not a recipient of this Announcement) as a client in relation to the Acquisition or the matters described in this Announcement. Neither Lazard or Peel Hunt will be responsible to anyone other than NCC for providing the protections afforded to its clients or for providing advice in relation to the matters described in this Announcement. Neither Lazard or Peel Hunt nor any of their subsidiaries or affiliates owes or accepts any duty, liability or responsibility whatsoever (whether direct or indirect, whether in contract, in tort, under statute or otherwise) to any person who is not its client in connection with this the Acquisition and the matters referred to in this Announcement, any statement contained in this Announcement or otherwise. Apart from the responsibilities and liabilities, if any, which may be imposed on Peel Hunt as sponsor by the Financial Securities and Markets Act 2000, as amended ("FSMA") or any other regulatory regime established under FSMA, neither of Lazard and Peel Hunt accepts responsibility for the contents of this Announcement, and no representation or warranty, express or implied, is made by either Lazard or Peel Hunt in relation to the contents of this Announcement, including its accuracy, completeness or verification of any other statement made or purported to be made by it, or on its behalf, in connection with NCC, the Acquisition or the matters described in this Announcement. To the fullest extent permissible by law, each of Lazard and Peel Hunt accordingly disclaims all and any responsibility or liability whether arising in tort, contract or otherwise (save as referred to above) which it might otherwise have in respect of this Announcement or any such statements.