S&P reaffirms Mercury’s corporate credit rating

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







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


ANNOUNCEMENT

S&P reaffirms Mercury’s corporate credit rating

7 August 2026 – S&P Global Ratings has confirmed Mercury’s corporate credit rating as
BBB+/Stable in a report published on 6 August 2026.

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
External Communications Manager
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