Transaction in Own Shares

Helios Towers plc

Share Buyback Programme - Transactions in Own Securities

Helios Towers plc (the "Company") announces that in the period 17 June 2026 to 19 June 2026 it purchased a total of 179,545 of its ordinary shares of £0.01 each ("Ordinary Shares"), through Jefferies International Limited ("Jefferies") as detailed below:

Date of purchase

Number of Ordinary Shares purchased

Highest price paid (pence per Ordinary Share)

Lowest price paid (pence per Ordinary Share)

Volume weighted average price paid (pence per Ordinary Share)

17/06/2026

60,000

219.6000

214.4000

216.6973

18/06/2026

59,545

219.0000

214.6000

215.6345

19/06/2026

60,000

216.2000

211.8000

213.8407

The Company intends to cancel the purchased Ordinary Shares and does not intend to hold any of the purchased Ordinary Shares in treasury.

The purchases form part of the Company's share buyback programme as announced on 6 November 2025.

Following settlement of the above purchases and cancellation of the purchased Ordinary Shares, the Company's total number of Ordinary Shares in issue shall be 1,042,506,684 Ordinary Shares. The figure of 1,042,506,684 Ordinary Shares may be used by shareholders (and others with notification obligations) 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 Company under the Disclosure Guidance and Transparency Rules.

In accordance with Article 5(1)(b) of Regulation (EU) No.596/2014 (the Market Abuse Regulation), as it forms part of domestic law by virtue of the European Union (Withdrawal) Act 2018, as amended, a detailed breakdown of individual trades made by Jefferies on behalf of the Company as part of the share buyback programme is set out below.

This announcement does not constitute, or form part of, an offer or any solicitation of an offer for securities in any jurisdiction.

LEI number of Helios Towers plc: 213800DGC7GS4XCHCU30

Schedule of Purchases

Aggregate information:

Trading venue

Aggregated volume

Weighted average price(pence per Ordinary Share)

London Stock Exchange (LSE)

106,410

215.3673

Chi-X (CHIX)

24,365

215.4173

BATE (BATE)

37,422

215.4184

Aquis (AQXE)

6,121

215.4773

Turqoise (TRQX)

5,227

215.4254

Transaction Details:

Issuer name:

Helios Towers plc

ISIN:

GB00BJVQC708

Intermediary name:

Jefferies International Limited

Intermediary code:

JEFFGB2XXXX

Time zone:

UKT

Currency:

GBP

Individual Transactions:

Please see attached PDF for full list of transactions.