Pennon Group PLCLSE: PNN

Pennon Group: Holding(s) in Company

Oct 19, 2026 at 11:07 AM EDT · Issued by Pennon Group PLC via RNS

Summary by 6ix AI

Pennon Group PLC was notified on October 19, 2026 that BlackRock, Inc. crossed or reached a voting-rights threshold on October 15, 2026 through an acquisition or disposal of voting rights. BlackRock's total position was 6.50%, or 30,643,959 voting rights counting shares and financial instruments together, compared with 6.60% in its previous notification.

Key details

Of the 6.50% total, 5.07% (23,921,800 voting rights) were attached to shares and 1.43% were held through financial instruments.
In the previous notification, BlackRock held 4.78% through shares and 1.82% through financial instruments, for a total of 6.60%.
The financial instruments were securities lending (lending or borrowing of shares) covering 5,745,668 voting rights (1.22%) and cash-settled CFDs (contracts for difference, which track the share price) covering 976,491 voting rights (0.21%).
The holdings are held through ten chains of controlled undertakings of BlackRock, Inc., including BlackRock Investment Management (UK) Limited, BlackRock Fund Advisors and BlackRock Institutional Trust Company, National Association.

6ix AI wrote this summary from the release below and checked it against the release.

On 6ix: 6ix.com/news/holdings-in-company-1994

Watch Pennon's latest callPennon Group (LSE:PNN) Q4 2026 Earnings Call · Replay · Jun 10 Read the transcript of Pennon Group (LSE:PNN) Q4 2026 Earnings Call

TR-1: Standard form for notification of major holdings

1. Issuer Details

ISIN

GB00BNNTLN49

Issuer Name

PENNON GROUP PLC

UK or Non-UK Issuer

2. Reason for Notification

An acquisition or disposal of voting rights

3. Details of person subject to the notification obligation

Name

BlackRock, Inc.

City of registered office (if applicable)

Wilmington

Country of registered office (if applicable)

USA

4. Details of the shareholder

Full name of shareholder(s) if different from the person(s) subject to the notification obligation, above

City of registered office (if applicable)

Country of registered office (if applicable)

5. Date on which the threshold was crossed or reached

15-Oct-2026

6. Date on which Issuer notified

19-Oct-2026

7. Total positions of person(s) subject to the notification obligation

	% of voting rights attached to shares (total of 8.A)	% of voting rights through financial instruments (total of 8.B 1 + 8.B 2)	Total of both in % (8.A + 8.B)	Total number of voting rights held in issuer
Resulting situation on the date on which threshold was crossed or reached	5.070000	1.430000	6.500000	30643959
Position of previous notification (if applicable)	4.780000	1.820000	6.600000

8. Notified details of the resulting situation on the date on which the threshold was crossed or reached

8A. Voting rights attached to shares

Class/Type of shares ISIN code(if possible)	Number of direct voting rights (DTR5.1)	Number of indirect voting rights (DTR5.2.1)	% of direct voting rights (DTR5.1)	% of indirect voting rights (DTR5.2.1)
GB00BNNTLN49		23921800		5.070000
Sub Total 8.A	23921800		5.070000%

8B1. Financial Instruments according to (DTR5.3.1R.(1) (a))

Type of financial instrument	Expiration date	Exercise/conversion period	Number of voting rights that may be acquired if the instrument is exercised/converted	% of voting rights
Securities Lending			5745668	1.220000
Sub Total 8.B1			5745668	1.220000%

8B2. Financial Instruments with similar economic effect according to (DTR5.3.1R.(1) (b))

Type of financial instrument	Expiration date	Exercise/conversion period	Physical or cash settlement	Number of voting rights	% of voting rights
CFD			Cash	976491	0.210000
Sub Total 8.B2				976491	0.210000%

9. Information in relation to the person subject to the notification obligation

2. Full chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held starting with the ultimate controlling natural person or legal entities (please add additional rows as necessary)

Ultimate controlling person	Name of controlled undertaking	% of voting rights if it equals or is higher than the notifiable threshold	% of voting rights through financial instruments if it equals or is higher than the notifiable threshold	Total of both if it equals or is higher than the notifiable threshold
BlackRock, Inc. (Chain 1)	BlackRock Saturn Subco, LLC
BlackRock, Inc. (Chain 1)	BlackRock Finance, Inc.
BlackRock, Inc. (Chain 1)	BlackRock Holdco 2, Inc.
BlackRock, Inc. (Chain 1)	BlackRock Financial Management, Inc.
BlackRock, Inc. (Chain 1)	BlackRock International Holdings, Inc.
BlackRock, Inc. (Chain 1)	BR Jersey International Holdings L.P.
BlackRock, Inc. (Chain 1)	BlackRock Holdco 3, LLC
BlackRock, Inc. (Chain 1)	BlackRock Cayman 1 LP
BlackRock, Inc. (Chain 1)	BlackRock Cayman West Bay Finco Limited
BlackRock, Inc. (Chain 1)	BlackRock Cayman West Bay IV Limited
BlackRock, Inc. (Chain 1)	BlackRock Group Limited
BlackRock, Inc. (Chain 1)	BlackRock Investment Management (UK) Limited
BlackRock, Inc. (Chain 2)	BlackRock Saturn Subco, LLC
BlackRock, Inc. (Chain 2)	BlackRock Finance, Inc.
BlackRock, Inc. (Chain 2)	BlackRock Holdco 2, Inc.
BlackRock, Inc. (Chain 2)	BlackRock Financial Management, Inc.
BlackRock, Inc. (Chain 2)	BlackRock International Holdings, Inc.
BlackRock, Inc. (Chain 2)	BR Jersey International Holdings L.P.
BlackRock, Inc. (Chain 2)	BlackRock Australia Holdco Pty. Ltd.
BlackRock, Inc. (Chain 2)	BlackRock Investment Management (Australia) Limited
BlackRock, Inc. (Chain 3)	BlackRock Saturn Subco, LLC
BlackRock, Inc. (Chain 3)	BlackRock Finance, Inc.
BlackRock, Inc. (Chain 3)	BlackRock Holdco 2, Inc.
BlackRock, Inc. (Chain 3)	BlackRock Financial Management, Inc.
BlackRock, Inc. (Chain 3)	BlackRock Holdco 4, LLC
BlackRock, Inc. (Chain 3)	BlackRock Holdco 6, LLC
BlackRock, Inc. (Chain 3)	BlackRock Delaware Holdings Inc.
BlackRock, Inc. (Chain 3)	BlackRock Institutional Trust Company, National Association
BlackRock, Inc. (Chain 4)	BlackRock Saturn Subco, LLC
BlackRock, Inc. (Chain 4)	BlackRock Finance, Inc.
BlackRock, Inc. (Chain 4)	BlackRock Holdco 2, Inc.
BlackRock, Inc. (Chain 4)	BlackRock Financial Management, Inc.
BlackRock, Inc. (Chain 4)	BlackRock Holdco 4, LLC
BlackRock, Inc. (Chain 4)	BlackRock Holdco 6, LLC
BlackRock, Inc. (Chain 4)	BlackRock Delaware Holdings Inc.
BlackRock, Inc. (Chain 4)	BlackRock Fund Advisors
BlackRock, Inc. (Chain 5)	BlackRock Saturn Subco, LLC
BlackRock, Inc. (Chain 5)	BlackRock Finance, Inc.
BlackRock, Inc. (Chain 5)	BlackRock Holdco 2, Inc.
BlackRock, Inc. (Chain 5)	BlackRock Financial Management, Inc.
BlackRock, Inc. (Chain 6)	BlackRock Saturn Subco, LLC
BlackRock, Inc. (Chain 6)	BlackRock Finance, Inc.
BlackRock, Inc. (Chain 6)	BlackRock Holdco 2, Inc.
BlackRock, Inc. (Chain 6)	BlackRock Financial Management, Inc.
BlackRock, Inc. (Chain 6)	BlackRock International Holdings, Inc.
BlackRock, Inc. (Chain 6)	BR Jersey International Holdings L.P.
BlackRock, Inc. (Chain 6)	BlackRock Holdco 3, LLC
BlackRock, Inc. (Chain 6)	BlackRock Cayman 1 LP
BlackRock, Inc. (Chain 6)	BlackRock Cayman West Bay Finco Limited
BlackRock, Inc. (Chain 6)	BlackRock Cayman West Bay IV Limited
BlackRock, Inc. (Chain 6)	BlackRock Group Limited
BlackRock, Inc. (Chain 6)	BlackRock (Netherlands) B.V.
BlackRock, Inc. (Chain 6)	BlackRock Asset Management Deutschland AG
BlackRock, Inc. (Chain 7)	BlackRock Saturn Subco, LLC
BlackRock, Inc. (Chain 7)	BlackRock Finance, Inc.
BlackRock, Inc. (Chain 7)	BlackRock Holdco 2, Inc.
BlackRock, Inc. (Chain 7)	BlackRock Financial Management, Inc.
BlackRock, Inc. (Chain 7)	BlackRock International Holdings, Inc.
BlackRock, Inc. (Chain 7)	BlackRock Canada Holdings ULC
BlackRock, Inc. (Chain 7)	BlackRock Asset Management Canada Limited
BlackRock, Inc. (Chain 8)	BlackRock Saturn Subco, LLC
BlackRock, Inc. (Chain 8)	BlackRock Finance, Inc.
BlackRock, Inc. (Chain 8)	BlackRock Holdco 2, Inc.
BlackRock, Inc. (Chain 8)	BlackRock Financial Management, Inc.
BlackRock, Inc. (Chain 8)	BlackRock Capital Holdings, Inc.
BlackRock, Inc. (Chain 8)	BlackRock Advisors, LLC
BlackRock, Inc. (Chain 9)	BlackRock Saturn Subco, LLC
BlackRock, Inc. (Chain 9)	BlackRock Finance, Inc.
BlackRock, Inc. (Chain 9)	BlackRock Holdco 2, Inc.
BlackRock, Inc. (Chain 9)	BlackRock Financial Management, Inc.
BlackRock, Inc. (Chain 9)	BlackRock International Holdings, Inc.
BlackRock, Inc. (Chain 9)	BR Jersey International Holdings L.P.
BlackRock, Inc. (Chain 9)	BlackRock Holdco 3, LLC
BlackRock, Inc. (Chain 9)	BlackRock Cayman 1 LP
BlackRock, Inc. (Chain 9)	BlackRock Cayman West Bay Finco Limited
BlackRock, Inc. (Chain 9)	BlackRock Cayman West Bay IV Limited
BlackRock, Inc. (Chain 9)	BlackRock Group Limited
BlackRock, Inc. (Chain 9)	BlackRock Advisors (UK) Limited
BlackRock, Inc. (Chain 10)	BlackRock Saturn Subco, LLC
BlackRock, Inc. (Chain 10)	BlackRock Finance, Inc.
BlackRock, Inc. (Chain 10)	Trident Merger, LLC
BlackRock, Inc. (Chain 10)	BlackRock Investment Management, LLC
BlackRock, Inc. (Chain 10)	Amethyst Intermediate, LLC
BlackRock, Inc. (Chain 10)	Aperio Holdings, LLC
BlackRock, Inc. (Chain 10)	Aperio Group, LLC