Cellnex Telecom S.a.BME: CLNX

Scope 1 2025 Cellnex Emissions Offset Certificate

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CERTIFICATE

CELLNEX TELECOM ESPAÑA S.L.

The organization has offset a total of 400 tCO₂e in order to mitigate the emissions associated with its carbon footprint for the 2025 reporting year.

The emissions have been offset through the following project:

Reforestation Project #2023-b024 - San Isidro I (Campo Lameiro Municipality)

Pontevedra, registered under section (b) "Absorption Projects" of the Carbon Footprint Registry, regulated by Royal Decree 214/2025 of 18 March, and administered by the Spanish Office for Climate Change (OECC), under the Ministry for the Ecological Transition and the Demographic Challenge (MITERD).

Anthesis Group invests in carefully selected carbon projects that combine CO₂ reduction and/or removal solutions with social and environmental co-benefits that go beyond carbon. These socially progressive projects improve the quality of life of communities affected by climate change. As such, they are a powerful tool for sustainable development.



Anthesis Group

René Toet

Global Director of Carbon Utrecht, The Netherlands, 2026



Retirment No. 07C14313

CERTIFICATE

CELLNEX TELECOM

The organization has offset a total of 4,042 tCO₂e in order to mitigate the emissions associated with its carbon footprint for the 2025 reporting year.

The emissions have been offset through the following projects:

#100327 - VCS2943 - v.2023 - efficient cookstoves in India - 342 tCO₂e

#100323 - VCS2941 - v.2022 - efficient cookstoves in India - 3,700 tCO₂e

Anthesis Group invests in carefully selected carbon projects that combine CO₂ reduction and/or removal solutions with social and environmental co-benefits that go beyond carbon. These socially progressive projects improve the quality of life of communities affected by climate change. As such, they are a powerful tool for sustainable development.

Anthesis Group

René Toet

Global Director of Carbon Utrecht, The Netherlands, 2026



Retirment No. 07C14316

CERTIFICATE

CELLNEX TELECOM

The organization has offset a total of 1G0 tCO₂e in order to mitigate the emissions associated with its carbon footprint for the 2025 reporting year.

The emissions have been offset through the following project:

#11352658 - Le Bois du Grand Pont - 190 tCO₂e

Anthesis Group invests in carefully selected carbon projects that combine CO₂ reduction and/or removal solutions with social and environmental co-benefits that go beyond carbon. These socially progressive projects improve the quality of life of communities affected by climate change. As such, they are a powerful tool for sustainable development.

Anthesis Group

René Toet

Global Director of Carbon Utrecht, The Netherlands, 2026



Retirement No: WCC-WCU-GB-104000000027968-01052047-30042057-8919653-8919852-MER-0-P

CERTIFICATE

CELLNEX TELECOM

The organization has offset a total of 200 tCO₂e in order to mitigate the emissions associated with its carbon footprint for the 2025 reporting year.

The emissions have been offset through the following project:

#104000000027968 - Loch Ness Forest - 200 tCO₂e

Anthesis Group invests in carefully selected carbon projects that combine CO₂ reduction and/or removal solutions with social and environmental co-benefits that go beyond carbon. These socially progressive projects improve the quality of life of communities affected by climate change. As such, they are a powerful tool for sustainable development.

Anthesis Group

René Toet

Global Director of Carbon Utrecht, The Netherlands, 2026



CERTIFICATE

CELLNEX TELECOM

The organization has offset a total of 110 tCO₂e in order to mitigate the emissions associated with its carbon footprint for the 2025 reporting year.

The emissions have been offset through the following project:

#DS-13534119 - Preuilly-sur-Claise (37) - 110 tCO₂e

Anthesis Group invests in carefully selected carbon projects that combine CO₂ reduction and/or removal solutions with social and environmental co-benefits that go beyond carbon. These socially progressive projects improve the quality of life of communities affected by climate change. As such, they are a powerful tool for sustainable development.

Anthesis Group

René Toet

Global Director of Carbon Utrecht, The Netherlands, 2026



anthesisgroup.com/carbon