MERCURY NZ LIMITED — Capital/Financing Update 2021

Mar 19, 2021

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

NEWS RELEASE

Mercury green bond offer – interest rate set

19 March 2021

Mercury NZ Limited (Mercury) today announced that, following a bookbuild for its offer of 5.5 year unsecured, unsubordinated fixed rate green bonds (Green Bonds), $200 million of Green Bonds have been allocated to participants (or their clients) in the bookbuild process. There was no public pool for the offer.

The interest rate for the Green Bonds has been set at 2.16% per annum. This reflects a margin of 0.85% per annum over the underlying swap rate.

The Green Bonds will be issued on 29 March 2021 and will mature on 29 September 2026.

The Green Bonds are expected to be quoted on the NZX Debt Market under the ticker code MCY040.

A copy of the final terms sheet is attached and has been provided to NZX with this announcement. It is also available at http://www.mercury.co.nz/mcy040.

Arranger, Green Bond Co-ordinator for this offer and Joint Lead Manager

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0800 772 142

Joint Lead Managers

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PHONE:[+ 64 9 308 8200 ] FAX: + 64 9 308 8209

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

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mercury.co.nz

ENDS

Howard Thomas General Counsel and Company Secretary Mercury NZ Limited For investor relations queries, please contact: For media queries, please contact: Tim Thompson Craig Dowling Head of Treasury and Investor Relations Head of Communications 0275 173 470 0272 105 337

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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