Wholesale manufacturing prices showed a marginal annual increase of 0.1% in June, according to the latest figures from the Central Statistics Office.
The rate of increase slowed from the 1.3% rise recorded in May.
The most notable decreases came in pharmaceuticals and other chemical products (down 6.5%) and office machinery and computers (down 4.9%).
Dairy products went the other by jumping by 7.5%, while food products were also up 6.1%.
The data also showed that construction prices declined by 4.9% since June 2008.
