He said lower OSB prices, reflecting soft demand in North and South America, accounted for most of the company’s overall revenue and EBITDA decline. Chief Financial Officer Alan Haughie said higher prices contributed $27 million to Siding revenue and EBITDA, while lower volumes reduced revenue by $46 million and EBITDA by $24 million. LP expects third-quarter Siding EBITDA of $110 million to $120 million, representing an EBITDA margin of about 25%, and reaffirmed its prior full-year guidance for Siding revenue, EBITDA and margin. Lower prices and volumes reduced OSB revenue by $67 million and EBITDA by $46 million from the prior-year quarter. Howald said OSB prices had fallen about $12, or 6%, since LP’s May earnings call despite higher raw-material costs.