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Audited Plants by Name

Plant Audits as Determined by the Plant Audit Committee

Company	Plant Location	MPa	Start Date	Expiry Date
Waikato Ready Mixed Concrete Limited	Riverlea	30	01 Feb 2020	31 Jan 2021
WestBay Concrete Limited	Te Puke	50	01 Feb 2020	31 Jan 2021
Wharehine Ready Mixed Concrete Limited	Mangawhai	50	01 Nov 2020	31 Oct 2021
	Matakana	50	01 Nov 2020	31 Oct 2021
	Wellsford	50	01 Nov 2020	31 Oct 2021
Wrey's Bush Concrete Products Limited	Otautau	50	01 May 2020	30 Apr 2021

Key/Notes

1. (Satellite) Plant which operates intermittently, as a satellite of another plant. It uses the same materials, mix designs and personnel as the parent plant.
2. * Interim audit certificate. Usually on 3 month period.
3. MPa indicates highest mix strength recorded and accepted by the Audit.
4. Mixes over 50MPa are subject to specific agreements with client and are designated Special Concrete as defined in NZS 3109/NZS 3104.