3i Infrastructure plc completes the sale of its stake in Attero and announces further investment in Future Biogas

1 DECEMBER 2023

3i Infrastructure plc ("3i Infrastructure" or "the Company") yesterday completed the sale of its c.25% stake in Attero, one of the largest waste treatment and recycling companies in the Netherlands. The sale, to Ardian, was announced on 24 July 2023.

The net sale proceeds of ?215m will be used to partially repay drawings on 3i Infrastructure's revolving credit facility.

Also on 30 November, the Company completed a further investment of £30 million in Future Biogas to fund the acquisition of two anaerobic digestion plants which are currently operated by Future Biogas. This acquisition is in line with our strategy to grow Future Biogas into a leading developer, asset owner and operator of green gas plants in the UK.

-ENDS-

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Notes to editors:

3i Infrastructure plc

3i Infrastructure plc is a Jersey-incorporated, closed-ended investment company, an approved UK Investment Trust, listed on the London Stock Exchange and regulated by the Jersey Financial Services Commission. The Company's purpose is to invest responsibly in infrastructure, delivering long-term sustainable returns to shareholders and having a positive influence on our portfolio companies and their stakeholders.

3i Investments plc, a wholly-owned subsidiary of 3i Group plc, is authorised and regulated in the UK by the Financial Conduct Authority and is the investment manager to 3i Infrastructure plc.