1、DOLLARS(IN THOUSANDS)ADJ.EBITDAOPERATING INCOMENET REVENUEGROWTH BY THE NUMBERS*With strong leadership,consistent growth and dedication to our em-ployees,Summit Materials,including its subsidiaries,now operates with more than 6,000 employees.6,000EMPLOYEES STRONGWith locations in 22 states and one C
2、anadian province,SUM is able to provide materials to a large geo-graphic customer base,as well as improve our production and delivery efficiencies.22+1LOCATION DIVERSITYThe core competency of SUM is our ability to provide the materials our customers demand.Through more than 60 acquisitions since 200
3、9,we have increased our footprint and paved the way for our future.60+A C Q U I S I T I O N S*Please see the caption“Non-GAAP Financial Measures”at the back of this Annual Report.$0$50,000$100,000$150,000$200,000$250,000$300,000$350,000$400,000$450,000+29%+17%+15%+43%201520162017$0$200,000$400,000$6
4、00,000$800,000$1,000,000$1,200,000$1,400,000$1,600,000$1,800,000+15%+18%+17%201520162017DOLLARS(IN THOUSANDS)We delivered an exceptional performance last year,further solidifying our position as one of the most compelling growth stories in the building materials sector.During 2017,we continued to ex
5、ecute on our strategic objective to become the leading vertically-integrated heavy materials company in North America,driven by the acquisition of complementary regional assets and targeted investments to drive organic growth throughout our business.Since inception in 2009,Summit has grown to become
6、 one of the top 10 largest suppliers of aggregates in the United States,while building a leadership position with our cement production and distribution assets along the Mississippi River corridor.Exiting the year,we owned more than 3.3 billion tons of long-lived aggregates reserves in 22 states and