Harbour Energy

RNS Announcement

RNS Number : 4592U

FTSE Russell

11 September 2026

Harbour Energy (UK): Investability Weight Change
Changes in FTSE UK Index Series

11 September 2026

Following the receipt of updated shareholder information for Harbour Energy (UK, constituent), as a result of a secondary offering, please see details of affected indexes and effective dates below:

Index	Effective From Start of Trading
FTSE 250 Index	21 September 2026
FTSE 350 Index	21 September 2026
FTSE All-Share Index	21 September 2026
FTSE All-Share ex Multinationals Index	21 September 2026
FTSE 350 Higher Yield Index	21 September 2026
FTSE UK Dividend + Index	21 September 2026

For further information please contact FTSE Russell Client Services at [email protected] or call:

Asia Pacific ex Japan	+852 2164 3333
Japan	+81 3 6441 1430
Europe, Middle East & Africa	+44 (0) 20 7866 1810
North America	+1 800 721 2225

Alternatively, please visit our website at lseg.com/ftse-russell

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RNS metadata

Title: Harbour Energy
Time: 18:00:00
Date: 11 Sept 2026
Category: Miscellaneous
ID: 4592U