ACQUISITIONS Paroc Acquisition On February 5, 2018, the Company acquired all the outstanding equity of Paroc, a leading producer of mineral wool insulation for building and technical applications in Europe, for approximately $1,121 million (approximately 900 million Euro), net of cash acquired. The acquisition of Paroc expands the Company's mineral wool technology, grows its presence in the European insulation market, provides access to a variety of new end-use markets and will increase the Insulation segment's geographic sales mix outside of the U.S. and Canada. Paroc's operating results and a preliminary purchase price allocation have been included in the Companys Insulation segment within the Consolidated Financial Statements. The Company is continuing to obtain information to complete its valuation of certain assets and liabilities. The following table details the identifiable indefinite and definite-lived intangible assets acquired, their preliminary fair values and estimated weighted average useful lives (in millions): Type of Intangible Asset Preliminary Fair Value Weighted Average Useful Life Customer relationships $ 225 20 Technology - Know-how 63 15 Technology - Patented 10 5 Quarry Rights 7 45 Trademarks 213 Indefinite Total $ 518 During the first three months of 2018, the Consolidated Statements of Earnings included $85 million in Net sales attributable to the acquisition and a $2 million charge related to inventory fair value step-up in Cost of Sales. The acquisition also included Property, plant and equipment, net with a fair value of approximately $315 million . Goodwill has been initially valued at approximately $454 million , with none of the amount expected to be tax-deductible. The factors contributing to the recognition of the amount of goodwill are based on several strategic and synergistic benefits that are expected to be realized from the acquisition and are expected to accelerate making the Company the leading provider of insulation solutions by building on mineral wool technologies. The