MERCURY NZ LIMITED — Capital/Financing Update 2021

Nov 28, 2021

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

NEWS RELEASE

S&P reaffirms Mercury’s BBB+ corporate credit rating

29 November 2021 – S&P Global Ratings has confirmed Mercury’s corporate credit rating as BBB+/Stable in a report published 26 November 2021.

ENDS

Howard Thomas General Counsel and Company Secretary Mercury NZ Limited

For investor relations queries, please contact: For media queries, please contact: Tim Thompson Shannon Goldstone Head of Treasury and Investor Relations Head of Communications 0275 173 470 Media phone: 027 210 5337

ABOUT MERCURY NZ LIMITED

Mercury’s mission is energy freedom. Our purpose is to inspire New Zealanders to enjoy energy in more wonderful ways and our goal is to be New Zealand’s leading energy brand. We focus on our customers, our people, our partners and our country; maintain a long-term view of sustainability; and promote wonderful choices. Mercury is energy made wonderful. Visit us at: www.mercury.co.nz

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