This announcement contains inside information for the purpose of Article 7 of the

Market Abuse Regulation (EU) 596/2014 as it forms part of UK domestic law (UK MAR)

Participation in Secondary Share Placement

London, 10 November 2025: Helios Towers plc ("the Company"), has been informed by Helios Investment Partners Fund II  via Lath Holdings (the "Selling Shareholder") that it is contemplating selling its entire 39 million shares in the Company to return capital to its investors, together with a further two million shares held by the Selling Shareholder on behalf of certain of its limited partners which have obtained shares following distributions in specie in 2021 and 2024 (the "Secondary Share Placement").

The Company confirms it intends to participate in the Secondary Share Placement by purchasing up to 10% of the Secondary Share Placement.  Any shares purchased by the Company through this placement will be cancelled.

The Company's participation in the Secondary Share Placement will be conducted pursuant to the Company's on-going buyback programme which was announced on 6 November 2025 and the general authority to repurchase shares as set out in Resolution 19 approved by the Company's shareholders at the 2025 Annual General Meeting on 15 May 2025.

Investor Relations

Chris Baker-Sams - Head of Strategic Finance and Investor Relations

+44 (0)782 511 2288

[email protected]

Media relations

Andy Rivett-Carnac

Headland

+44 (0)796 899 7365

[email protected]

Joe Hughes

Headland

+44 (0)731 137 0016

[email protected]

For the purposes of MAR, the person responsible for making this announcement is Paul Barrett, General Counsel and Company Secretary.

About Helios Towers

·      Helios Towers is a leading independent telecom tower company connecting people and powering growth across Africa and the Middle East. We deliver world-class operations at nearly 15,000 mobile tower sites across nine countries in Africa and The Middle East - the fastest growing region globally for mobile services - providing mission critical infrastructure and power services to leading mobile network operators (MNOs).

·      Our pioneering approach enables colocation - the sharing of telecom tower sites - by hosting multiple MNOs on individual sites, creating benefits in the performance quality, the environmental impact, and the cost of rolling out and running mobile networks in our markets.

·      Helios Towers' business excellence methodology focuses on delivering world class performance for its customers - centred around the development and upskilling of its people. We foster a culture of learning and continuous improvement to deliver global standards in processes and innovation, which makes us the partner of choice for all the region's leading MNOs.

·      As one of the largest and fastest-growing FTSE-listed companies focused on operating in Africa and the Middle East, Helios Towers' disciplined approach to capital allocation, long-term partnerships with leading MNOs and its operational capabilities deliver resilient performance that is reshaping digital connectivity in the region and catalysing investment that is essential to unlocking its human and economic potential.