Mercury considers Green Bond offer

The Mercury Building, 33 Broadway, Newmarket 1023
PO Box 90399, Auckland 1142





STOCK EXCHANGE LISTINGS: NZX (MCY) / ASX (MCY)

ANNOUNCEMENT

Mercury considers Green Bond offer

16 March 2026
– Mercury NZ Limited (
Mercury
) is considering making an offer of up to $200 million
(with the ability to accept up to an additional $50 million of oversubscriptions at Mercury’s discretion)
of 7 year unsecured, unsubordinated, fixed rate green bonds (
Green Bonds
) to institutional investors
and New Zealand retail investors.
It is expected that full details of the offer will be released in the near term, subject to market
conditions.
Mercury has a corporate credit rating from S&P Global Ratings of BBB+ (stable outlook). The Green
Bonds, if issued, are expected to be assigned an issue credit rating of BBB+ by S&P Global Ratings.
The proceeds of the Green Bonds are intended to be notionally allocated to finance or refinance
eligible projects in accordance with Mercury’s Green Financing Framework dated February 2026. In
particular, as at the date of this announcement, Mercury expects to apply the proceeds of the Green
Bonds to refinance existing debt.
Mercury has appointed Westpac Banking Corporation (ABN 33 007 457 141) (acting through its New
Zealand branch) (
Westpac
) as Arranger, and Bank of New Zealand, Craigs Investment Partners
Limited, Forsyth Barr Limited, together with Westpac, as Joint Lead Managers in relation to the offer.
There will be no public pool for the offer, with all of the Green Bonds being reserved for clients of the
Joint Lead Managers, institutional investors and other primary market participants.
Investors can register their interest by contacting a Joint Lead Manager or their usual financial advice
provider. Indications of interest will not constitute an obligation or commitment of any kind. No money
is currently being sought and no Green Bonds can be applied for or acquired until the offer opens.
If the proposed offer is made, it will be made in accordance with the Financial Markets Conduct Act
2013 as an offer of debt securities of the same class as existing quoted debt securities. The Green
Bonds are expected to be quoted on the NZX Debt Market.
Arranger and Joint Lead Manager




Joint Lead Managers


0800 772 142

The Mercury Building, 33 Broadway, Newmarket 1023
PO Box 90399, Auckland 1142



09 924 9602 0800 272 442 0800 367 227

ENDS

Howard Thomas
General Counsel and Company Secretary
Mercury NZ Limited


For investor relations queries, please contact:
Paul Ruediger
Head of Business Performance & Investor
Relations
027 517 3470
investor@mercury.co.nz

For media inquiries, please contact:
Catherine Morab
Reputation and Social Impact Lead
09 282 1158
mercurycommunications@mercury.co.nz


ABOUT MERCURY NZ LIMITED
Mercury’s generation assets produce electricity from 100% renewable sources: hydro, geothermal
and wind. We’re also a retailer of electricity, gas, broadband and mobile services. We’re listed on the
New Zealand Stock Exchange and the Australian Stock Exchange with the ticker symbol ‘MCY’, with
foreign exempt listed status. The New Zealand Government holds a legislated minimum 51%
shareholding of Mercury.
Visit us at: www.mercury.co.nz