|  |  |  |  | By Order of the Board of Directors, |  | 
|  |  |  |  | 
               
               | 
             | 
|  | 
              April 19, 2023
               Atlanta, Georgia  | 
             |  | 
              Kimberly D. Holladay
               Interim Corporate Secretary  | 
             | 
|  |  |  |  |  | 1 |  |  | |
|  |  |  |  |  | 4 |  |  | |
|  |  |  |  |  | 4 |  |  | |
|  |  |  |  |  | 8 |  |  | |
|  |  |  |  |  | 10 |  |  | |
|  |  |  |  |  | 11 |  |  | |
|  |  |  |  |  | 12 |  |  | |
|  |  |  |  |  | 15 |  |  | |
|  |  |  |  |  | 16 |  |  | |
|  |  |  |  |  | 18 |  |  | |
|  |  |  |  |  | 19 |  |  | |
|  |  |  |  |  | 28 |  |  | |
|  |  |  |  |  | 29 |  |  | |
|  |  |  |  |  | 36 |  |  | |
|  |  |  |  |  | 37 |  |  | |
|  |  |  |  |  | 41 |  |  | |
|  |  |  |  |  | 43 |  |  | |
|  |  |  |  |  | 44 |  |  | |
|  |  |  |  |  | 44 |  |  | |
|  |  |  |  |  | 45 |  |  | |
|  |  |  |  |  | 45 |  |  | |
|  |  |  |  |  | 45 |  |  | |
|  |  |  |  |  | 45 |  |  | 
|  | 
              Anuj Dhanda
               Dominic DiNapoli Kim S. Fennebresque Keith A. Haas Mitchell B. Lewis  | 
             |  | 
              Shyam K. Reddy
               J. David Smith Carol B. Yancey Marietta Edmunds Zakas  | 
             | 
| 
               
                Name 
               
             | 
             |  | 
               
                Position 
               
             | 
             | 
| Anuj Dhanda |  |  | Nominee for Director |  | 
| Dominic DiNapoli |  |  | Director (since 2016) |  | 
| Kim S. Fennebresque |  |  | Non-Executive Chairman of the Board of Directors (Director since 2013, Chairman since 2016) |  | 
| Keith A. Haas |  |  | Director (since 2022) |  | 
| Mitchell B. Lewis |  |  | Former President and Chief Executive Officer (2014-June 2021) and Director (since 2014) |  | 
| Shyam K. Reddy |  |  | President and Chief Executive Officer and Director (since 2023) |  | 
| J. David Smith |  |  | Director (since 2017) |  | 
| Carol B. Yancey |  |  | Director (since 2021) |  | 
| Marietta Edmunds Zakas |  |  | Director (since 2022) |  | 
|  |  |  | 
               
                2022 
               
             | 
             |  | 
               
                2021 
               
             | 
             | ||||||
| 
               
                Audit Fees(1)
               
             | 
             |  |  | $ | 1,192,496 |  |  |  |  | $ | 1,097,056 |  |  | 
| 
               
                Audit-Related Fees(2)
               
             | 
             |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
               
                Tax Fees(3)
               
             | 
             |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
               
                All Other Fees(4)
               
             | 
             |  |  | $ | 128,101 |  |  |  |  |  | — |  |  | 
| 
               
                Total 
               
             | 
             |  |  | $ | 1,320,597 |  |  |  |  | $ | 1,097,056 |  |  | 
| 
               
                Name of Beneficial Owner 
               
             | 
             |  | 
               
                Number of Shares
                 
            Beneficially Owned  | 
             |  | 
               
                Percentage of
                 
            Shares Outstanding  | 
             | ||||||
| More than 5% Owners |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| 
               
                BlackRock, Inc.(1)
               
             | 
             |  |  |  | 809,468 |  |  |  |  |  | 8.9% |  |  | 
| 
               
                Voss Value Master Fund, L.P.(2)
               
             | 
             |  |  |  | 599,273 |  |  |  |  |  | 6.6% |  |  | 
| 
               
                Tontine Asset Associates, LLC(3)
               
             | 
             |  |  |  | 544,488 |  |  |  |  |  | 6.0% |  |  | 
| 
               
                Punch & Associates Investment Management, Inc.(4)
               
             | 
             |  |  |  | 544,124 |  |  |  |  |  | 6.0% |  |  | 
| 
               
                The Vanguard Group(5)
               
             | 
             |  |  |  | 483,814 |  |  |  |  |  | 5.3% |  |  | 
| Non-Employee Directors |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| 
               
                Kim S. Fennebresque(6)
               
             | 
             |  |  |  | 107,247 |  |  |  |  |  | 1.2% |  |  | 
| 
               
                Anuj Dhanda(7)
               
             | 
             |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
               
                Dominic DiNapoli(8)
               
             | 
             |  |  |  | 55,127 |  |  |  |  |  | * |  |  | 
| 
               
                Keith A. Haas(9)
               
             | 
             |  |  |  | 990 |  |  |  |  |  | * |  |  | 
| 
               
                Mitchell B. Lewis(10)
               
             | 
             |  |  |  | 114,632 |  |  |  |  |  | 1.3% |  |  | 
| 
               
                J. David Smith(11)
               
             | 
             |  |  |  | 43,450 |  |  |  |  |  | * |  |  | 
| 
               
                Carol B. Yancey(12)
               
             | 
             |  |  |  | 4,542 |  |  |  |  |  | * |  |  | 
| 
               
                Marietta Edmunds Zakas(13)
               
             | 
             |  |  |  | 990 |  |  |  |  |  | * |  |  | 
| Named Executive Officers |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| 
               
                Dwight Gibson 
               
             | 
             |  |  |  | 31,958 |  |  |  |  |  | * |  |  | 
| 
               
                Kelly C. Janzen 
               
             | 
             |  |  |  | 47,313 |  |  |  |  |  | * |  |  | 
| 
               
                Shyam K. Reddy 
               
             | 
             |  |  |  | 32,288 |  |  |  |  |  | * |  |  | 
| 
               
                Kevin A. Henry 
               
             | 
             |  |  |  | 2,329 |  |  |  |  |  | * |  |  | 
| 
               
                All current executive officers and directors as a group (10 persons) 
               
             | 
             |  |  |  | 408,908 |  |  |  |  |  | 4.5% |  |  | 
| 
               
                Name 
               
             | 
             |  | 
               
                Age 
               
             | 
             |  | 
               
                Position 
               
             | 
             |  | ||
| 
               
                Shyam K. Reddy 
               
             | 
             |  | 
               
                48 
               
             | 
             |  | President and Chief Executive Officer |  |  | ||
| 
               
                Kelly C. Janzen 
               
             | 
             |  | 
               
                50 
               
             | 
             |  | 
               
                Senior Vice President, Chief Financial Officer, and Treasurer 
               
             | 
             |  |  |  | 
| 
               
                Kevin A. Henry 
               
             | 
             |  | 
               
                55 
               
             | 
             |  | Chief People Officer |  |  | ||
| 
               
                Officer 
               
             | 
             |  | 
               
                Base Salary ($) 
               
             | 
             | |||
| 
               
                Dwight Gibson 
               
             | 
             |  |  |  | 759,615 |  |  | 
| 
               
                Kelly C. Janzen 
               
             | 
             |  |  |  | 517,308 |  |  | 
| 
               
                Shyam K. Reddy 
               
             | 
             |  |  |  | 501,985 |  |  | 
| 
               
                Kevin A. Henry(1)
               
             | 
             |  |  |  | 426,038 |  |  | 
| 
               
                Officer 
               
             | 
             |  | 
               
                Threshold 
               
             | 
             |  | 
               
                Target 
               
             | 
             |  | 
               
                Maximum 
               
             | 
             | |||||||||
| 
               
                Dwight Gibson 
               
             | 
             |  |  |  | 50% |  |  |  |  |  | 100% |  |  |  |  |  | 200% |  |  | 
| 
               
                Kelly C. Janzen 
               
             | 
             |  |  |  | 40% |  |  |  |  |  | 80% |  |  |  |  |  | 160% |  |  | 
| 
               
                Shyam K. Reddy 
               
             | 
             |  |  |  | 40% |  |  |  |  |  | 80% |  |  |  |  |  | 160% |  |  | 
| 
               
                Kevin A. Henry 
               
             | 
             |  |  |  | 40% |  |  |  |  |  | 80% |  |  |  |  |  | 160% |  |  | 
| 
               
                Performance Metric 
               
             | 
             |  | 
               
                Threshold 
               
             | 
             |  | 
               
                Target 
               
             | 
             |  | 
               
                Maximum 
               
             | 
             | |||||||||
| 
               
                Adjusted EBITDA(1) (in millions) 
               
             | 
             |  |  | $ | 323M |  |  |  |  | $ | 380M |  |  |  |  | $ | 760M |  |  | 
| ROWC(2) |  |  |  |  | 34% |  |  |  |  |  | 40% |  |  |  |  |  | 80% |  |  | 
| 
               
                Officer 
               
             | 
             |  | 
               
                Performance-
                 
            Based RSU’s (Target)  | 
             |  | 
               
                Time-Based
                 
            RSU’s  | 
             |  | 
               
                Total 
               
             | 
             | |||||||||
| 
               
                Dwight Gibson 
               
             | 
             |  |  |  | 15,300 |  |  |  |  |  | 15,300 |  |  |  |  |  | 30,600 |  |  | 
| 
               
                Kelly C. Janzen 
               
             | 
             |  |  |  | 4,016 |  |  |  |  |  | 4,016 |  |  |  |  |  | 8,032 |  |  | 
| 
               
                Shyam K. Reddy 
               
             | 
             |  |  |  | 3,880 |  |  |  |  |  | 3,881 |  |  |  |  |  | 7,761 |  |  | 
| 
               
                Kevin A. Henry 
               
             | 
             |  |  |  | 4,055 |  |  |  |  |  | 4,054 |  |  |  |  |  | 8,109 |  |  | 
| 
               
                Name and Principal Position 
               
             | 
             |  | 
               
                Year 
               
             | 
             |  | 
               
                Salary
                 
            ($)  | 
             |  | 
               
                Bonus
                 
            ($)  | 
             |  | 
               
                Stock
                 
            Awards ($)(1)  | 
             |  | 
               
                Non-Equity
                 
            Incentive Plan Compensation ($)  | 
             |  | 
               
                All Other
                 
            Compensation ($)  | 
             |  | 
               
                Total
                 
            ($)  | 
             | |||||||||||||||||||||
| 
               
                Dwight Gibson, President and Chief Executive Officer(2)
               
             | 
             |  |  | 
                
             | 
            
               2022 
             | 
             |  |  |  | 
                
             | 
            
               759,615 
             | 
             |  |  |  | 
                
             | 
            
               — 
             | 
             |  |  |  | 
                
             | 
            
               2,044,386 
             | 
             |  |  |  | 
                
             | 
            
               1,071,050 
             | 
             |  |  |  | 
                
             | 
            
               25,890 
             | 
             |  |  |  | 
                
             | 
            
               3,900,941 
             | 
             |  | 
|  |  | 
                
             | 
            
               2021 
             | 
             |  |  |  | 
                
             | 
            
               390,385 
             | 
             |  |  |  | 
                
             | 
            
               200,000 
             | 
             |  |  |  | 
                
             | 
            
               3,849,347 
             | 
             |  |  |  | 
                
             | 
            
               836,538 
             | 
             |  |  |  | 
                
             | 
            
               7,594 
             | 
             |  |  |  | 
                
             | 
            
               5,283,864 
             | 
             |  | ||
| 
               
                Kelly C. Janzen, Chief Financial Officer, Treasurer, Senior Vice President(3)
               
             | 
             |  |  | 
                
             | 
            
               2022 
             | 
             |  |  |  | 
                
             | 
            
               517,308 
             | 
             |  |  |  | 
                
             | 
            
               — 
             | 
             |  |  |  | 
                
             | 
            
               536,618 
             | 
             |  |  |  | 
                
             | 
            
               580,440 
             | 
             |  |  |  | 
                
             | 
            
               7,019 
             | 
             |  |  |  | 
                
             | 
            
               1,641,385 
             | 
             |  | 
|  |  | 
                
             | 
            
               2021 
             | 
             |  |  |  | 
                
             | 
            
               492,308 
             | 
             |  |  |  | 
                
             | 
            
               — 
             | 
             |  |  |  | 
                
             | 
            
               404,186 
             | 
             |  |  |  | 
                
             | 
            
               800,000 
             | 
             |  |  |  | 
                
             | 
            
               7,394 
             | 
             |  |  |  | 
                
             | 
            
               1,703,888 
             | 
             |  | ||
|  |  | 
                
             | 
            
               2020 
             | 
             |  |  |  | 
                
             | 
            
               319,712 
             | 
             |  |  |  | 
                
             | 
            
               190,460 
             | 
             |  |  |  | 
                
             | 
            
               651,151 
             | 
             |  |  |  | 
                
             | 
            
               523,521 
             | 
             |  |  |  | 
                
             | 
            
               6,762 
             | 
             |  |  |  | 
                
             | 
            
               1,691,606 
             | 
             |  | ||
| 
               
                Shyam K. Reddy, Senior Vice President, Chief Legal and
                 
            Sustainability Officer, and Corporate Secretary(4)  | 
             |  |  | 
                
             | 
            
               2022 
             | 
             |  |  |  | 
                
             | 
            
               501,985 
             | 
             |  |  |  | 
                
             | 
            
               — 
             | 
             |  |  |  | 
                
             | 
            
               1,510,944 
             | 
             |  |  |  | 
                
             | 
            
               560,831 
             | 
             |  |  |  | 
                
             | 
            
               6,980 
             | 
             |  |  |  | 
                
             | 
            
               2,580,740 
             | 
             |  | 
|  |  | 
                
             | 
            
               2021 
             | 
             |  |  |  | 
                
             | 
            
               482,384 
             | 
             |  |  |  | 
                
             | 
            
               — 
             | 
             |  |  |  | 
                
             | 
            
               396,183 
             | 
             |  |  |  | 
                
             | 
            
               784,176 
             | 
             |  |  |  | 
                
             | 
            
               7,126 
             | 
             |  |  |  | 
                
             | 
            
               1,669,869 
             | 
             |  | ||
|  |  | 
                
             | 
            
               2020 
             | 
             |  |  |  | 
                
             | 
            
               453,375 
             | 
             |  |  |  | 
                
             | 
            
               — 
             | 
             |  |  |  | 
                
             | 
            
               323,280 
             | 
             |  |  |  | 
                
             | 
            
               714,802 
             | 
             |  |  |  | 
                
             | 
            
               7,269 
             | 
             |  |  |  | 
                
             | 
            
               1,498,726 
             | 
             |  | ||
| 
               
                Kevin A. Henry, Chief People
                 
            Officer(5)  | 
             |  |  | 
                
             | 
            
               2022 
             | 
             |  |  |  | 
                
             | 
            
               426,038 
             | 
             |  |  |  | 
                
             | 
            
               200,000 
             | 
             |  |  |  | 
                
             | 
            
               1,422,062 
             | 
             |  |  |  | 
                
             | 
            
               495,819 
             | 
             |  |  |  | 
                
             | 
            
               4,735 
             | 
             |  |  |  | 
                
             | 
            
               2,548,654 
             | 
             |  | 
| 
               
                Name 
               
             | 
             |  | 
               
                Grant Date 
               
             | 
             |  | 
               
                Estimated Future Payouts Under
                 
            Non-Equity Incentive Plan Awards(1)  | 
             |  | 
               
                Estimated Future Payouts Under
                 
            Equity Incentive Plan Awards(2)  | 
             |  | 
               
                All Other
                 
            Stock Awards: Number of Shares of Stock or Units (#)(3)  | 
             |  | 
               
                Grant
                 
            Date Fair Value of Stock and Option Awards ($)(4)  | 
             | |||||||||||||||||||||||||||||||||||||||
|  | 
               
                Threshold ($) 
               
             | 
             |  | 
               
                Target ($) 
               
             | 
             |  | 
               
                Maximum ($) 
               
             | 
             |  | 
               
                Threshold (#) 
               
             | 
             |  | 
               
                Target (#) 
               
             | 
             |  | 
               
                Maximum (#) 
               
             | 
             | ||||||||||||||||||||||||||||||||||||||
| Dwight Gibson |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| 
               
                STIP 
               
             | 
             |  |  |  |  |  |  |  |  |  | 387,500 |  |  |  |  |  | 775,000 |  |  |  |  |  | 1,550,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| 
               
                PRSUs 
               
             | 
             |  |  |  | 6/30/2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,590 |  |  |  |  |  | 15,300 |  |  |  |  |  | 30,600 |  |  |  |  |  |  |  |  |  |  |  | 1,022,193 |  |  | 
| 
               
                RSUs 
               
             | 
             |  |  |  | 6/30/2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 15,300 |  |  |  |  |  | 1,022,193 |  |  | 
| Kelly C. Janzen |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| 
               
                STIP 
               
             | 
             |  |  |  |  |  |  |  |  |  | 210,000 |  |  |  |  |  | 420,000 |  |  |  |  |  | 840,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| 
               
                PRSUs 
               
             | 
             |  |  |  | 6/30/2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,205 |  |  |  |  |  | 4,016 |  |  |  |  |  | 8,032 |  |  |  |  |  |  |  |  |  |  |  | 268,309 |  |  | 
| 
               
                RSUs 
               
             | 
             |  |  |  | 6/30/2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,016 |  |  |  |  |  | 268,309 |  |  | 
| Shyam K. Reddy |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| 
               
                STIP 
               
             | 
             |  |  |  |  |  |  |  |  |  | 202,906 |  |  |  |  |  | 405,811 |  |  |  |  |  | 811,622 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| 
               
                PRSUs 
               
             | 
             |  |  |  | 6/30/2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,164 |  |  |  |  |  | 3,880 |  |  |  |  |  | 7,760 |  |  |  |  |  |  |  |  |  |  |  | 237,146(5) |  |  | 
| 
               
                RSUs 
               
             | 
             |  |  |  | 6/30/2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,881 |  |  |  |  |  | 237,207(5) |  |  | 
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,036,578(6) |  |  | 
| Kevin A. Henry |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| 
               
                STIP 
               
             | 
             |  |  |  |  |  |  |  |  |  | 212,000 |  |  |  |  |  | 424,000 |  |  |  |  |  | 848,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| 
               
                RSUs 
               
             | 
             |  |  |  | 3/15/2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10,000 |  |  |  |  |  | 880,300 |  |  | 
| 
               
                PRSUs 
               
             | 
             |  |  |  | 6/30/2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,217 |  |  |  |  |  | 4,055 |  |  |  |  |  | 8,110 |  |  |  |  |  |  |  |  |  |  |  | 270,915 |  |  | 
| 
               
                RSUs 
               
             | 
             |  |  |  | 6/30/2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,054 |  |  |  |  |  | 270,848 |  |  | 
|  |  |  | 
               
                Option/SAR Awards 
               
             | 
             |  | 
               
                Stock Awards 
               
             | 
             | ||||||||||||||||||||||||||||||||||||||||||
| 
               
                Name 
               
             | 
             |  | 
               
                Number of
                 
            Securities Underlying Unexercised Options/SARs Exercisable  | 
             |  | 
               
                Number of
                 
            Securities Underlying Unexercised Options/SARs Unexercisable  | 
             |  | 
               
                Option/SAR
                 
            Exercise Price ($)  | 
             |  | 
               
                Option/SAR
                 
            Expiration Date  | 
             |  | 
               
                Number of
                 
            Shares of Stock That Have Not Vested(1)  | 
             |  | 
               
                Market
                 
            Value of Shares of Stock That Have Not Vested ($)(2)  | 
             |  | 
               
                Equity
                 
            Incentive Plan Awards: Number of Unearned Shares, Units, or Other Rights That Have Not Vested (#)(3)  | 
             |  | 
               
                Equity
                 
            Incentive Plan Awards: Market or Payout Value of Unearned Shares, Units or Other Rights That Have Not Vested ($)(2)(3)  | 
             | ||||||||||||||||||||||||
| Dwight Gibson(4) |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | 44,160 |  |  |  |  |  | 3,140,218 |  |  |  |  |  | 15,300 |  |  |  |  |  | 1,087,983 |  |  | 
| Kelly C. Janzen(5) |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | 32,036 |  |  |  |  |  | 2,278,080 |  |  |  |  |  | 4,016 |  |  |  |  |  | 285,578 |  |  | 
| Shyam K. Reddy(6) |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | 4,745 |  |  |  |  |  | 337,417 |  |  |  |  |  | 3,880 |  |  |  |  |  | 275,907 |  |  | 
| Kevin A. Henry(7) |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | 14,054 |  |  |  |  |  | 999,380 |  |  |  |  |  | 4,055 |  |  |  |  |  | 288,351 |  |  | 
| 
               
                Name 
               
             | 
             |  | 
               
                Option Awards 
               
             | 
             |  | 
               
                Stock Awards 
               
             | 
             | ||||||||||||||||||
|  | 
               
                Number of
                 
            Shares Acquired on Exercise (#)  | 
             |  | 
               
                Value
                 
            Realized on Exercise ($)  | 
             |  | 
               
                Number of
                 
            Shares Acquired on Vesting (#)  | 
             |  | 
               
                Value
                 
            Realized on Vesting(1) ($)  | 
             | ||||||||||||||
| 
               
                Dwight Gibson 
               
             | 
             |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | 57,720 |  |  |  |  |  | 5,229,432 |  |  | 
| 
               
                Kelly C. Janzen 
               
             | 
             |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | 31,491 |  |  |  |  |  | 2,597,810 |  |  | 
| 
               
                Shyam K. Reddy(2)
               
             | 
             |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | 55,199 |  |  |  |  |  | 4,200,750 |  |  | 
| 
               
                Kevin A Henry 
               
             | 
             |  |  |  | — |  |  |  |  |  | — |  |  |  | 
               
                —
               
             | 
             |  | 
               
                —
               
             | 
             | ||||||
| 
               
                Name 
               
             | 
             |  | 
               
                Salary and
                 
            Bonus ($)(1)  | 
             |  | 
               
                Continuing
                 
            Medical Coverage ($)(2)  | 
             |  | 
               
                Value of
                 
            Time-Based Restricted Stock Units ($)(3)(4)  | 
             |  | 
               
                Value of
                 
            Performance- Based Restricted Stock Units ($)(3)(5)  | 
             |  | 
               
                Total ($) 
               
             | 
             | |||||||||||||||
| 
               
                Dwight Gibson 
               
             | 
             |  |  |  | 1,550,000 |  |  |  |  |  | 24,249 |  |  |  |  |  | 3,140,218 |  |  |  |  |  | 1,087,983 |  |  |  |  |  | 5,802,450 |  |  | 
| 
               
                Kelly C. Janzen 
               
             | 
             |  |  |  | 1,105,440 |  |  |  |  |  | 18,490 |  |  |  | 
               
                —
               
             | 
             |  | 
               
                —
               
             | 
             |  |  |  | 1,123,930 |  |  | ||||||
| 
               
                Shyam K. Reddy 
               
             | 
             |  |  |  | 1,471,000 |  |  |  |  |  | 18,490 |  |  |  |  |  | 574,624 |  |  |  |  |  | 275,907 |  |  |  |  |  | 2,340,021 |  |  | 
| 
               
                Kevin A. Henry 
               
             | 
             |  |  |  | 730,000 |  |  |  | 
               
                —
               
             | 
             |  |  |  | 711,100 |  |  |  | 
               
                —
               
             | 
             |  |  |  | 1,441,100 |  |  | ||||||
| 
               
                Name 
               
             | 
             |  | 
               
                Salary and
                 
            Bonus ($)(1)  | 
             |  | 
               
                Continuing
                 
            Medical Coverage ($)(2)  | 
             |  | 
               
                Value of
                 
            Time-Based Restricted Stock Units ($)(3)(4)  | 
             |  | 
               
                Value of
                 
            Performance- Based Restricted Stock Units ($)(3)(5)  | 
             |  | 
               
                Total ($) 
               
             | 
             | |||||||||||||||
| 
               
                Dwight Gibson 
               
             | 
             |  |  |  | 2,325,000 |  |  |  |  |  | 36,374 |  |  |  |  |  | 3,140,218 |  |  |  |  |  | 1,087,983 |  |  |  |  |  | 6,589,575 |  |  | 
| 
               
                Kelly C. Janzen 
               
             | 
             |  |  |  | 1,630,440 |  |  |  |  |  | 27,735 |  |  |  |  |  | 2,278,080 |  |  |  |  |  | 285,578 |  |  |  |  |  | 4,221,833 |  |  | 
| 
               
                Shyam K. Reddy 
               
             | 
             |  |  |  | 1,471,000 |  |  |  |  |  | 18,490 |  |  |  |  |  | 574,624 |  |  |  |  |  | 275,907 |  |  |  |  |  | 2,340,021 |  |  | 
| 
               
                Kevin A. Henry 
               
             | 
             |  |  |  | 1,555,819 |  |  |  | 
               
                —
               
             | 
             |  |  |  | 999,380 |  |  |  |  |  | 288,351 |  |  |  |  |  | 2,843,550 |  |  | |||
|    Year     |   |  |    Summary   Compensation Table Total for First PEO($)(1)  |   |  |    Summary   Compensation Table Total for Second PEO($)(1)  |   |  |    Compensation   Actually Paid to First PEO($)(2)(5)  |   |  |    Compensation   Actually Paid to Second PEO($)(2)(5)  |   |  |    Average   Summary Compensation Table Total for Non-PEO NEOs($)(3)  |   |  |    Average   Compensation Actually Paid to Non-PEO NEOs($)(4)(5)  |   |  |    Value of   Initial Fixed $100 Investment Based on:  |   |  |    Net Income   (thousands)($)(8)  |   |  |   EBITDA (thousands)($)(9)  |   | |||||||||||||||||||||||||||||||||
|  |    BXC   TSR($)(6)  |   |  |    Peer   Group TSR($)(7)  |   | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|    (a)     |   |  |    (b)     |   |  |    (b)     |   |  |    (c)     |   |  |    (c)     |   |  |    (d)     |   |  |    (e)     |   |  |    (f)     |   |  |    (g)     |   |  |    (h)     |   |  |    (i)     |   | ||||||||||||||||||||||||||||||
| 2022 |  |  |  |  | — |  |  |  |  |  |  |  |  |  |  | — |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ||||||||
| 2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ||||||||||
| 2020 |  |  |  |  |  |  |  |  |  | — |  |  |  |  |  |  |  |  |  |  | — |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ||||||||
|  |  |  |    Second   PEO($)  |   |  |    Average for   Non-PEO NEOs($)  |   |  |    First   PEO($)  |   |  |    Second   PEO($)  |   |  |    Average for   Non-PEO NEOs($)  |   |  |    First   PEO($)  |   |  |    Average for   Non-PEO NEOs($)  |   | |||||||||||||||||||||
|    Summary Compensation Table (SCT)     |   |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | |||||||
| Adjustments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
|    Less: Grant-date fair value of equity award   amounts reported in SCT for covered year  |   |  |  |  | ( |   |  |  |  |  | ( |   |  |  |  |  | ( |   |  |  |  |  | ( |   |  |  |  |  | ( |   |  |  |  |  | ( |   |  |  |  |  | ( |   |  | 
|    Plus: Year-end fair value of equity awards   granted in covered year  |   |  |  |  |  |  |  |  |  |  |  |  |  |  | — |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ||||||
|    Change in fair value of outstanding, unvested awards granted in prior years     |   |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | — |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ||||||
|    Fair value as of vesting date for awards granted and vested in covered year     |   |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
|    For awards granted in prior years that vest   in the fiscal year, the change in the fair value from the end of the prior fiscal year to the vesting date  |   |  |  |  | ( |   |  |  |  |  | ( |   |  |  |  |  |  |  |  |  |  | — |  |  |  |  |  |  |  |  |  |  | ( |   |  |  |  |  | ( |   |  | ||
|    For awards granted in prior years that are   determined to fail to meet the applicable vesting conditions (i.e., are forfeited), deduct the amount equal to the fair value at the end of the prior fiscal year  |   |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | ( |   |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | ( |   |  | 
|    The amount of any dividends or other   earnings paid on equity awards in the fiscal year prior to the vesting date that is not otherwise reflected in the fair value of such award or included in total compensation for the covered fiscal year  |   |  |  |  | — |  |  |  |  |  |  |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | — |  |  | |
|    Compensation Actually Paid    |   |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | |||||||
|  |    Performance Metrics     |   | 
|  |   |   | 
|  |   |   | 
|  |   |   | 
        | 
               
                Name 
               
             | 
             |  | 
               
                Fees Earned
                 
            or Paid in Cash ($)(1)  | 
             |  | 
               
                Stock
                 
            Awards ($)(2)  | 
             |  | 
               
                All Other
                 
            Compensation ($)  | 
             |  | 
               
                Total ($) 
               
             | 
             | ||||||||||||
| 
               
                Karel K. Czanderna(3)
               
             | 
             |  |  |  | 30,769 |  |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | 30,769 |  |  | 
| 
               
                Dominic DiNapoli 
               
             | 
             |  |  |  | 95,000 |  |  |  |  |  | 114,983 |  |  |  |  |  | — |  |  |  |  |  | 209,983 |  |  | 
| 
               
                Kim S. Fennebresque 
               
             | 
             |  |  |  | 130,000 |  |  |  |  |  | 160,012 |  |  |  |  |  | — |  |  |  |  |  | 290,012 |  |  | 
| 
               
                Keith A. Haas(4)
               
             | 
             |  |  |  | 26,666 |  |  |  |  |  | 70,260 |  |  |  |  |  | — |  |  |  |  |  | 96,926 |  |  | 
| 
               
                Mitchell B. Lewis(5)
               
             | 
             |  |  |  | 85,590 |  |  |  |  |  | 182,942 |  |  |  |  |  | — |  |  |  |  |  | 268,532 |  |  | 
| 
               
                J. David Smith 
               
             | 
             |  |  |  | 95,000 |  |  |  |  |  | 114,983 |  |  |  |  |  | — |  |  |  |  |  | 209,983 |  |  | 
| 
               
                Carol B. Yancey 
               
             | 
             |  |  |  | 110,000 |  |  |  |  |  | 114,983 |  |  |  |  |  | — |  |  |  |  |  | 224,983 |  |  | 
| 
               
                Marietta Edmunds Zakas(4)
               
             | 
             |  |  |  | 26,666 |  |  |  |  |  | 70,260 |  |  |  |  |  | — |  |  |  |  |  | 96,926 |  |  |