Five-Year Financial Highlights

(billions — except per share amounts)

Nine Months Ended
September 30,
Years Ended December 31,
2017 2016 2016 2015 2014 2013
 
Net premiums written $ 20.4 $ 17.8 $ 23.4 $ 20.6 $ 18.7 $ 17.3
Growth over prior period 14% 13% 14% 10% 8% 6%
Net premiums earned $ 18.9 $ 16.6 $ 22.5 $ 19.9 $ 18.4 $ 17.1
Growth over prior period 14% 13% 13% 8% 8% 7%
Total revenues $ 19.7 $ 17.3 $ 23.4 $ 20.9 $ 19.4 $ 18.2
Net income attributable to Progressive $ 1.02 $ 0.65 $ 1.03 $ 1.27 $ 1.28 $ 1.17
Per share $ 1.73 $ 1.11 $ 1.76 $ 2.15 $ 2.15 $ 1.93
Underwriting margin   5.8%   4.0%   4.9%   7.5%   7.7%   6.5%

(billions — except shares outstanding, per share amounts, and policies in force)

Nine Months Ended
September 30,
Years Ended December 31,
2017 2016 2016 2015 2014 2013
At Period-End
Common shares outstanding (millions)   581.6   580.8   579.9   583.6   587.8   595.8
Book value per share $ 15.97 $ 13.94 $ 13.72 $ 12.49 $ 11.79 $ 10.39
Consolidated shareholders’ equity $ 9.3 $ 8.1 $ 8.0 $ 7.3 $ 6.9 $ 6.2
Market capitalization $ 28.2 $ 18.3 $ 20.6 $ 18.6 $ 15.9 $ 16.2
Return on average shareholders’ equity                        
Net income attributable to Progressive   16.3%   12.8%   13.2%   17.2%   19.1%   17.7%
Comprehensive income attributable to Progressive   18.4%   16.4%   14.9%   14.2%   20.1%   19.0%
                         
Policies in force (thousands)                        
Vehicle businesses:                        
Personal Lines                        
Agency – auto   5,515.3   4,980.1   5,045.4   4,737.1   4,725.5   4,841.9
Direct – auto   5,889.6   5,324.0   5,348.3   4,916.2   4,505.5   4,224.2
Special lines   4,396.1   4,291.1   4,263.1   4,111.4   4,030.9   3,990.3
Total Personal Lines   15,801.0   14,595.2   14,656.8   13,764.7   13,261.9   13,056.4
Growth over prior year   8%   6%   6%   4%   2%   3%
Commercial Lines   638.6   612.7   607.9   555.8   514.7   514.6
Growth over prior year   4%   12%   9%   8%   0%   (1)%
Property   1,375.6   1,184.7   1,201.9   1,076.5   |||||||   |||||||
Growth over prior year   16%   11%   12%   NM   |||||||   |||||||
                         
Private passenger auto insurance market1   NA   NA $ 206.6 $ 192.8 $ 183.5 $ 174.9
Market share2   NA   NA   9.4%   9.0%   8.9%   8.7%
Nine Months Ended
September 30,
Years Ended December 31,
    2017     2016     2016     2015     2014     2013
Stock Price Appreciation3            
Progressive   38.8%   1.8%   14.7%   20.9%   5.3%   30.9%
S&P 500   14.2%   7.8%   11.9%   1.4%   13.7%   32.4%

NM = Not meaningful; Property business written by Progressive prior to April 2015 was negligible.

NA = Not available.

1Represents net premiums written as reported by A.M. Best Company, Inc.

2Represents Progressive’s private passenger auto business, including motorcycle insurance, as a percent of the private passenger auto insurance market.

3Represents average annual compounded rate of increase and assumes dividend reinvestment.