Exhibit 4a 2012 Exports by Company Type and Employment Size to Number of Partner Countries Value in millions of dollars. Details may not equal totals due to rounding. D - Represents suppressed to avoid disclosure. Number of Countries to Which Company Exports 1 Country 2-4 Countries 5-9 Countries 10-24 Countries 25-49 Countries 50+ Countries % of Row % of Row % of Row % of Row % of Row % of Row Number of Number of Number of Number of Number of Number of Number of Company Type and Known Identified % of Row Identified % of Row Identified % of Row Identified % of Row Identified % of Row Identified % of Row Identified Employment Size Value (1) Exporters Value Exporters Value Exporters Value Exporters Value Exporters Value Exporters Value Exporters All identified companies 1,379,683 304,867 5.4 58.6 6.0 24.7 6.1 8.9 14.6 5.9 17.9 1.5 50.0 0.4 no. employees unknown(2) 121,488 118,875 28.0 75.0 18.8 18.1 10.6 4.4 20.3 2.1 17.3 0.4 5.0 0.0 1 to 19 employees 91,526 114,302 25.5 55.7 28.2 29.6 21.1 9.7 17.7 4.6 6.4 0.5 1.1 0.0 20 to 49 employees 49,324 31,994 9.3 41.0 16.4 30.6 17.7 14.9 31.9 11.3 21.8 2.2 2.9 0.1 50 to 99 employees 47,006 16,145 6.4 36.0 14.4 29.5 17.4 15.6 30.6 14.3 19.9 4.2 11.4 0.4 100 to 249 employees 83,327 12,070 3.4 31.4 8.1 26.6 11.1 16.1 40.1 18.1 30.2 6.6 7.0 1.1 250 to 499 employees 56,729 4,609 2.7 28.2 7.3 22.6 10.0 15.0 41.4 19.8 29.4 11.7 9.2 2.7 500 or more employees 930,283 6,872 0.5 25.0 0.9 19.6 2.1 12.1 7.9 16.4 17.0 15.0 71.5 11.8 Manufacturers 836,684 74,520 1.5 42.1 2.6 29.1 3.7 13.4 10.7 10.8 16.9 3.5 64.5 1.1 no. employees unknown(2) 38,342 16,938 14.0 59.7 10.2 24.8 9.7 8.8 25.9 5.4 32.5 1.2 7.8 0.1 1 to 19 employees 8,415 24,599 20.0 49.9 30.0 31.8 22.0 11.9 23.8 6.0 4.1 0.5 0.1 0.0 20 to 49 employees 12,623 13,960 12.0 36.1 20.5 32.7 26.9 16.0 30.2 12.7 9.9 2.4 0.4 0.1 50 to 99 employees 16,288 8,010 6.5 28.5 15.9 31.9 17.4 17.4 32.9 16.8 16.0 4.9 11.3 0.5 100 to 249 employees 40,969 6,230 3.8 20.0 8.7 28.3 12.3 19.3 47.0 22.4 18.5 8.4 9.7 1.6 250 to 499 employees 34,452 2,231 1.9 13.2 6.4 20.9 11.1 18.4 40.7 26.2 30.7 17.2 9.1 4.1 500 or more employees 685,595 2,552 0.1 6.4 0.7 12.5 1.5 12.6 5.2 21.9 15.6 24.3 76.9 22.3 Wholesalers 307,135 102,005 9.4 52.0 12.4 29.3 10.1 10.5 19.5 6.4 21.2 1.4 27.4 0.3 no. employees unknown(2) 39,301 34,702 32.8 68.7 28.5 23.0 11.3 5.4 D 2.5 8.8 0.4 D 0.0 1 to 19 employees 59,531 49,502 21.6 48.6 28.6 33.6 23.1 11.4 18.7 5.7 7.0 0.6 1.0 0.0 20 to 49 employees 28,294 9,774 6.0 32.7 12.9 32.3 13.7 18.2 32.8 13.5 30.5 3.0 4.2 0.2 50 to 99 employees 16,285 3,947 3.4 27.8 16.4 30.3 22.8 19.1 D 17.1 16.0 5.0 D 0.7 100 to 249 employees 33,333 2,429 1.1 24.9 5.1 26.7 9.4 18.0 33.4 20.5 47.3 8.6 3.7 1.2 250 to 499 employees 14,399 852 1.5 18.7 4.2 25.0 6.9 17.0 46.6 23.6 32.1 13.3 8.7 2.5 500 or more employees 115,993 799 0.3 9.6 1.0 15.0 0.9 10.3 10.0 23.4 22.3 24.9 65.5 16.8 Other companies (3) 235,865 128,342 13.7 73.3 9.8 18.5 9.3 4.9 21.9 2.6 17.0 0.5 28.3 0.1 no. employees unknown(2) 43,845 67,235 36.0 82.1 17.7 13.8 10.7 2.7 D 1.1 11.8 0.2 D 0.0 1 to 19 employees 23,580 40,201 37.2 67.9 26.7 23.2 15.7 6.1 13.0 2.5 5.6 0.2 1.8 0.0 20 to 49 employees 8,407 8,260 16.2 58.9 22.2 25.1 17.5 8.9 31.4 6.3 10.2 0.7 2.5 0.1 50 to 99 employees 14,433 4,188 9.7 58.1 10.3 24.0 11.2 8.9 D 7.0 28.7 1.9 D 0.1 100 to 249 employees 9,025 3,411 10.1 57.1 16.7 23.5 12.0 8.8 33.5 8.6 20.7 1.7 7.0 0.3 250 to 499 employees 7,878 1,526 8.0 55.4 16.9 23.7 10.4 9.0 35.3 8.4 18.6 2.8 10.7 0.7 500 or more employees 128,696 3,521 2.8 42.0 2.2 25.8 6.6 12.2 20.7 10.9 19.7 6.1 48.1 3.1 (1) Known value is defined as the portion of U.S. total exports that could be matched to specific companies. (2) Includes missing employment data, nonemployers, and companies that reported annual payroll but did not report any employees on their payroll during specified period(s) in 2012. (3) Includes manufacturing companies of prepackaged software and books, freight forwarders and other transportation service firms, business services, engineering and management services, gas and oil extraction companies, coal mining companies, communication services companies, and companies for which an industry could not be determined.