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A ROCKWOOL Highlights Sales in the first nine months of 2021 reached 2 246 MEUR , an increase of 19 percent in local currencies and 18 percent in reported figures . High construction activity resulted in solid Q3 sales growth , with soaring energy prices requiring additional price increases . Sales in Q3 2021 reached 797 MEUR , a growth of 18 percent in local currencies compared to Q3 2020 , driven by high volume demand and sales price increases . EBITDA in the first nine months of 2021 reached 456 MEUR , with a 20.3 percent EBITDA margin , up 0.6 percentage points from last year . Strong leverage from sales growth contributed to the result . EBITDA in Q3 2021 reached 157 MEUR , with a 19.7 percent EBITDA margin , down 2.0 percentage points from Q3 2020 . High inflation on production materials and energy prices were not fully compensated by sales price increases and cost actions in the quarter . EBIT in the first nine months of 2021 increased 29 percent to 306 MEUR , with a 13.6 percent EBIT margin , up 1.1 percentage points from last year . EBIT in Q3 2021 increased six percent to 105 MEUR , with a 13.2 percent EBIT margin , down 1.7 percentage points from Q3 2020 . Investments excluding acquisitions reached 218 MEUR in the first nine months of 2021 , down 44 MEUR compared to last year as the two large capacity expansions in Germany and the United States were completed . Annualised return on invested capital reached 19.7 percent compared to 17.7 percent last year , an increase due to higher earnings . Outlook 2021 Growth in net sales around 17 percent in local currencies . EBIT margin above 13 percent . Investment level around 320 MEUR excluding acquisitions , changed from previously around 370 MEUR . Report on the first nine months of 2021 for ROCKWOOL International A / S Release no . 21 - 2021 to Nasdaq Copenhagen T 24 November 2021 " With construction activity booming in many markets , we achieved double - digit sales growth in all business areas and good profitability despite soaring energy and input costs , a tight labour market and material shortages . We are working hard to meet customer demand and overall managing supply chain and logistics challenges well . Nevertheless , the high cost increases we are seeing on energy , production material and logistics are negatively affecting margins , necessitating additional and more rapid price increases , which are likely to continue in the coming months " . CEO Jens Birgersson Conference call ROCKWOOL Group will host an earnings call on 25 November 2021 at 11.00 CET . To attend the conference call dial +45 35445577 , +44 3333000804 or +1 6319131422. Passcode 79533601 # . The call will be transmitted live on www.rockwool.com/group/ 1/13