3i Group PlcLSE: III

Block listing Interim Review

BLOCKLISTING SIX MONTHLY RETURN

Date: 9 December 2025

1. Name of applicant:

3i Group plc

2. Name of scheme:

1) The 3i Group Share Incentive Plan

2) The 3i Group Discretionary Share Plan

3. Period of return:

From

7 June 2025

To

9 December 2025

4. Balance under scheme from previous return:

1) 75,538

2) 4,578,254

5. The amount by which the block scheme has been increased, if the scheme has been increased since the date of the last return:

1) 0

2) 0

6. Number of securities issued/allotted under scheme during period:

1) 16,393

2) 0

7. Balance under scheme not yet issued/allotted at end of period:

1) 59,145

2) 4,578,254

8. Number and class of securities originally listed and the date of admission:

ordinary shares of 73 19∕22p each

1) 53,121 - 16 July 2007

2) 1,590,430 - 16 July 2007

9. Total number of securities in issue at the end of the period:

993,334,359 ordinary shares of 73 19∕22p each

Name of contact

Jackie Harper

Address of contact

3i Group plc, 1 Knightsbridge, London, SW1X 7LX

Telephone number of contact

020 7975 3530