The kiwi dollar has continued its decline since the government outlined plans to stop property market speculation.
The biggest increase in value was of its office properties, which gained $52m, to more than $1 billion.
The Warehouse Group will now pay out at least 70% of full-year adjusted net profit versus prior range of 75% to 85%.
Energy Minister Megan Woods is monitoring power prices rises affecting large industrial users such as New Zealand Steel, Fonterra, supermarkets, cold storage and wood processing.