1.2 Cobra Trading 2020 2 2020 4 7.39 12.36 28.83 39.50 19.31 CREDIT SUISSE (CSFBDESK) 42.22 0.78 12.30 11.02 18.12 3.74 3.8000 100.80 3.8000 10.69 3.8000 11.2594 3.8000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all CSFBDESK order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading receives or pays a blended rate based on that month’s activity. This blended rate over the past year ranged from Cobra Trading receiving from CSFBDESK $0.0697 per 100 shares to Cobra Trading paying CSFBDESK $0.0532 per 100 shares. CODA MARKETS, INC. (PDQSMART) 32.21 6.98 2.57 22.66 0.00 -44.26 -7.0000 -12.41 -7.0000 -41.91 -7.0000 0.0000 -7.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading receives from PDQSMART $0.07 per 100 shares. MERRILL LYNCH PIERCE FENNER & SMITH, INC. (SMART) 15.12 0.00 11.67 2.25 1.19 0.00 25.0000 761.71 25.0000 156.82 25.0000 12.5000 25.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading pays SMART $0.25 per 100 shares. SPEEDROUTE, LLC (SPDRX) 5.13 2.03 1.16 1.94 0.00 0.28 3.0002 0.22 3.0002 0.09 3.0002 1.8459 3.0002 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all SPDRX order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading receives or pays a blended rate based on that month?s activity. This blended rate over the past year ranged from Cobra Trading pays SPDRX $0.03 per 100 shares to Cobra Trading paying SPDRX $0.234 per 100 shares. CODA MARKETS, INC. (CODAREB) 3.57 2.57 0.16 0.85 0.00 -6.14 -7.0000 -0.22 -7.0000 -0.09 -7.0000 0.0000 -7.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading receives from CODAREB $0.07 per 100 shares. CODA MARKETS, INC. (CODA) 1.50 0.00 0.91 0.59 0.00 0.00 -7.0000 -4.42 -7.0000 -2.49 -7.0000 0.0000 -7.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading receives from CODA $0.07 per 100 shares. DASH FINANCIAL TECHNOLOGIES (DFIN/DASH) 0.22 0.00 0.03 0.19 0.00 0.00 0.0000 0.00 0.0000 0.00 0.0000 0.0000 0.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all DFIN/DASH option order types and size, regardless of contracts traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading receives or pays a blended rate based on that month?s activity. This blended rate over the past year ranged from Cobra Trading receiving from DFIN/DASH $9.13 per 100 contracts to Cobra Trading paying DFIN/DASH $2.62 per 100 contracts. DASH FINANCIAL TECHNOLOGIES (STRK) 0.03 0.00 0.03 0.00 0.00 0.00 0.0000 0.00 0.0000 0.00 0.0000 0.0000 0.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all STRK order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading receives or pays a blended rate based on that month?s activity. This blended rate over the past year ranged from Cobra Trading paying STRK $0.00 per 100 shares to Cobra Trading paying STRK $0.15 per 100 shares. 3.38 8.01 53.24 33.26 5.49 MERRILL LYNCH PIERCE FENNER & SMITH, INC. (SMART) 50.70 0.68 37.58 11.21 1.23 47.21 25.0000 24772.04 25.0000 10667.95 25.0000 253.2375 25.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading pays SMART $0.25 per 100 shares. CODA MARKETS, INC. (PDQSMART) 15.90 2.88 2.36 10.66 0.00 -115.92 -7.0000 -246.93 -7.0000 -780.42 -7.0000 0.0000 -7.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading receives from PDQSMART $0.07 per 100 shares. CODA MARKETS, INC. (CODA) 11.12 0.22 7.26 3.65 0.00 -50.75 -7.0000 -519.67 -7.0000 -320.13 -7.0000 0.0000 -7.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading receives from CODA $0.07 per 100 shares. CREDIT SUISSE (CSFBDESK) 10.45 0.15 2.69 3.37 4.23 2.77 3.8000 82.52 3.8000 13.07 3.8000 10.9516 3.8000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all CSFBDESK order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading receives or pays a blended rate based on that month’s activity. This blended rate over the past year ranged from Cobra Trading receiving from CSFBDESK $0.0697 per 100 shares to Cobra Trading paying CSFBDESK $0.0532 per 100 shares. SPEEDROUTE, LLC (SPDRX) 7.29 2.95 1.79 2.55 0.00 9.56 3.0002 15.00 3.0002 3.51 3.0002 318.7381 3.0002 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all SPDRX order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading receives or pays a blended rate based on that month?s activity. This blended rate over the past year ranged from Cobra Trading pays SPDRX $0.03 per 100 shares to Cobra Trading paying SPDRX $0.234 per 100 shares. CLEARPOOL EXECUTION SERVICES, LLC (TWP10) 1.04 0.36 0.43 0.25 0.00 -239.04 -12.0000 -6.62 -12.0000 -209.92 -12.0000 0.0000 -12.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all TWAP order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading receives or pays a blended rate based on that month?s activity. This blended rate over the past year ranged from Cobra Trading receiving from TWP30 $0.12 per 100 shares to Cobra Trading paying TWP30 $0.02 per 100 shares. CLEARPOOL EXECUTION SERVICES, LLC (TWAP) 0.84 0.14 0.27 0.42 0.00 -111.84 -12.0000 -3.60 -12.0000 -184.23 -12.0000 0.0000 -12.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all TWAP order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading receives or pays a blended rate based on that month?s activity. This blended rate over the past year ranged from Cobra Trading receiving from TWP30 $0.12 per 100 shares to Cobra Trading paying TWP30 $0.02 per 100 shares. DASH FINANCIAL TECHNOLOGIES (STRK) 0.59 0.00 0.53 0.05 0.00 0.00 0.0000 0.00 0.0000 0.00 0.0000 0.0000 0.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all STRK order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading receives or pays a blended rate based on that month?s activity. This blended rate over the past year ranged from Cobra Trading paying STRK $0.00 per 100 shares to Cobra Trading paying STRK $0.15 per 100 shares. DASH FINANCIAL TECHNOLOGIES (DFIN/DASH) 0.51 0.07 0.06 0.38 0.00 0.00 0.0000 0.00 0.0000 0.00 0.0000 0.0000 0.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all DFIN/DASH option order types and size, regardless of contracts traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading receives or pays a blended rate based on that month?s activity. This blended rate over the past year ranged from Cobra Trading receiving from DFIN/DASH $9.13 per 100 contracts to Cobra Trading paying DFIN/DASH $2.62 per 100 contracts. CODA MARKETS, INC. (CODAREB) 0.44 0.40 0.00 0.04 0.01 -2.25 -7.0000 0.00 -7.0000 0.00 -7.0000 0.0000 -7.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading receives from CODAREB $0.07 per 100 shares. CODA MARKETS, INC. (PMID) 0.37 0.00 0.06 0.31 0.00 0.00 15.0000 3.52 15.0000 8.82 15.0000 0.0000 15.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading pays PMID $0.15 per 100 shares. CLEARPOOL EXECUTION SERVICES, LLC (TWP5) 0.21 0.00 0.09 0.12 0.00 0.00 -12.0000 -2.04 -12.0000 -113.31 -12.0000 0.0000 -12.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all TWAP order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading receives or pays a blended rate based on that month?s activity. This blended rate over the past year ranged from Cobra Trading receiving from TWP30 $0.12 per 100 shares to Cobra Trading paying TWP30 $0.02 per 100 shares. CLEARPOOL EXECUTION SERVICES, LLC (DRK) 0.14 0.00 0.05 0.10 0.00 0.00 -12.0000 -12.64 -12.0000 -62.13 -12.0000 0.0000 -12.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all DRK order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading receives or pays a blended rate based on that month?s activity. This blended rate over the past year ranged from Cobra Trading paying DRK $0.04 per 100 shares to Cobra Trading paying DRK $0.10 per 100 shares. CODA MARKETS, INC. (PSMT) 0.14 0.05 0.04 0.05 0.01 2.03 15.0000 2.10 15.0000 0.75 15.0000 0.4500 15.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading receives from PSMT $0.07 per 100 shares. CLEARPOOL EXECUTION SERVICES, LLC (TWP20) 0.05 0.00 0.02 0.04 0.00 0.00 -12.0000 -0.72 -12.0000 -24.00 -12.0000 0.0000 -12.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all TWAP order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading receives or pays a blended rate based on that month?s activity. This blended rate over the past year ranged from Cobra Trading receiving from TWP30 $0.12 per 100 shares to Cobra Trading paying TWP30 $0.02 per 100 shares. CLEARPOOL EXECUTION SERVICES, LLC (TWP30) 0.05 0.00 0.00 0.05 0.00 0.00 -12.0000 0.00 -12.0000 -62.90 -12.0000 0.0000 -12.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all TWAP order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading receives or pays a blended rate based on that month?s activity. This blended rate over the past year ranged from Cobra Trading receiving from TWP30 $0.12 per 100 shares to Cobra Trading paying TWP30 $0.02 per 100 shares. 67.16 1.94 30.34 67.72 0.00 MERRILL LYNCH PIERCE FENNER & SMITH, INC. (FSWEEP) 42.99 0.00 16.11 26.87 0.00 0.00 5.0000 145.10 5.0000 72.80 5.0000 0.0000 5.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all option order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading pays FSWEEP $0.0005 per 100 contracts. DASH FINANCIAL TECHNOLOGIES (DFIN/DASH) 33.25 1.02 7.80 24.43 0.00 0.00 0.0000 0.00 0.0000 0.00 0.0000 0.0000 0.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all DFIN/DASH option order types and size, regardless of contracts traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading receives or pays a blended rate based on that month?s activity. This blended rate over the past year ranged from Cobra Trading receiving from DFIN/DASH $9.13 per 100 contracts to Cobra Trading paying DFIN/DASH $2.62 per 100 contracts. MERRILL LYNCH PIERCE FENNER & SMITH, INC. (MLCLSWP) 23.25 0.92 6.22 16.11 0.00 2.45 5.0000 323.75 5.0000 178.40 5.0000 0.0000 5.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all option order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading pays MLCLSWP $0.0005 per 100 contracts. 2020 5 11.97 24.47 36.14 29.08 10.31 CODA MARKETS, INC. (CODA) 44.91 16.10 22.79 6.01 0.00 -417.36 -7.0000 -133.76 -7.0000 -11.13 -7.0000 0.0000 -7.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading receives from CODA $0.07 per 100 shares. CREDIT SUISSE (CSFBDESK) 18.89 0.46 6.41 4.43 7.59 2.54 3.8700 52.53 3.8700 2.79 3.8700 5.1568 3.8700 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all CSFBDESK order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading receives or pays a blended rate based on that month’s activity. This blended rate over the past year ranged from Cobra Trading receiving from CSFBDESK $0.0697 per 100 shares to Cobra Trading paying CSFBDESK $0.0532 per 100 shares. CODA MARKETS, INC. (PDQSMART) 18.46 2.88 1.89 13.69 0.00 -20.16 -7.0000 -10.86 -7.0000 -15.21 -7.0000 0.0000 -7.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading receives from PDQSMART $0.07 per 100 shares. CODA MARKETS, INC. (CODAREB) 7.22 0.31 2.29 2.42 2.20 -0.34 -7.0000 -13.34 -7.0000 -1.73 -7.0000 -0.4410 -7.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading receives from CODAREB $0.07 per 100 shares. CODA MARKETS, INC. (PSMT) 4.83 2.88 1.15 0.81 0.00 38.80 15.0000 15.83 15.0000 9.54 15.0000 0.0000 15.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading receives from PSMT $0.07 per 100 shares. SPEEDROUTE, LLC (SPDRX) 3.10 1.83 0.15 1.11 0.00 0.07 3.0007 0.00 3.0007 0.01 3.0007 0.0592 3.0007 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all SPDRX order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading receives or pays a blended rate based on that month?s activity. This blended rate over the past year ranged from Cobra Trading pays SPDRX $0.03 per 100 shares to Cobra Trading paying SPDRX $0.234 per 100 shares. MERRILL LYNCH PIERCE FENNER & SMITH, INC. (SMART) 2.01 0.00 1.46 0.03 0.53 0.00 25.0000 66.00 25.0000 6.25 25.0000 13.4400 25.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading pays SMART $0.25 per 100 shares. DASH FINANCIAL TECHNOLOGIES (DFIN/DASH) 0.59 0.00 0.00 0.59 0.00 0.00 0.0000 0.00 0.0000 0.00 0.0000 0.0000 0.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all DFIN/DASH option order types and size, regardless of contracts traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading receives or pays a blended rate based on that month?s activity. This blended rate over the past year ranged from Cobra Trading receiving from DFIN/DASH $9.13 per 100 contracts to Cobra Trading paying DFIN/DASH $2.62 per 100 contracts. 6.85 7.25 52.48 37.25 3.02 CODA MARKETS, INC. (CODA) 54.51 3.68 30.21 20.62 0.00 -351.28 -7.0000 -6167.75 -7.0000 -2886.94 -7.0000 0.0000 -7.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading receives from CODA $0.07 per 100 shares. MERRILL LYNCH PIERCE FENNER & SMITH, INC. (SMART) 23.48 0.28 16.47 6.00 0.73 65.85 25.0000 36842.24 25.0000 13333.12 25.0000 775.5325 25.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading pays SMART $0.25 per 100 shares. CODA MARKETS, INC. (CODAREB) 6.58 0.15 2.60 2.92 0.91 -11.11 -7.0000 -498.94 -7.0000 -669.28 -7.0000 -25.8419 -7.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading receives from CODAREB $0.07 per 100 shares. CODA MARKETS, INC. (PDQSMART) 5.93 0.64 0.75 4.54 0.00 -42.07 -7.0000 -189.60 -7.0000 -545.70 -7.0000 0.0000 -7.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading receives from PDQSMART $0.07 per 100 shares. SPEEDROUTE, LLC (SPDRX) 3.31 1.01 0.78 1.52 0.00 0.59 3.0007 1.45 3.0007 0.66 3.0007 115.1781 3.0007 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all SPDRX order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading receives or pays a blended rate based on that month?s activity. This blended rate over the past year ranged from Cobra Trading pays SPDRX $0.03 per 100 shares to Cobra Trading paying SPDRX $0.234 per 100 shares. CREDIT SUISSE (CSFBDESK) 2.85 0.05 0.63 0.78 1.39 1.82 3.8700 72.01 3.8700 11.77 3.8700 10.9231 3.8700 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all CSFBDESK order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading receives or pays a blended rate based on that month’s activity. This blended rate over the past year ranged from Cobra Trading receiving from CSFBDESK $0.0697 per 100 shares to Cobra Trading paying CSFBDESK $0.0532 per 100 shares. CODA MARKETS, INC. (PSMT) 2.30 1.15 0.70 0.45 0.00 172.37 15.0000 86.73 15.0000 58.34 15.0000 0.0000 15.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading receives from PSMT $0.07 per 100 shares. CLEARPOOL EXECUTION SERVICES, LLC (TWP10) 0.34 0.20 0.10 0.05 0.00 -203.08 -5.0000 -1.95 -5.0000 -67.34 -5.0000 0.0000 -5.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all TWAP order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading receives or pays a blended rate based on that month?s activity. This blended rate over the past year ranged from Cobra Trading receiving from TWP30 $0.12 per 100 shares to Cobra Trading paying TWP30 $0.02 per 100 shares. CLEARPOOL EXECUTION SERVICES, LLC (TWAP) 0.26 0.05 0.05 0.16 0.00 -57.65 -5.0000 -0.55 -5.0000 -58.29 -5.0000 0.0000 -5.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all TWAP order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading receives or pays a blended rate based on that month?s activity. This blended rate over the past year ranged from Cobra Trading receiving from TWP30 $0.12 per 100 shares to Cobra Trading paying TWP30 $0.02 per 100 shares. DASH FINANCIAL TECHNOLOGIES (STRK) 0.14 0.00 0.12 0.02 0.00 0.00 0.0000 0.00 0.0000 0.00 0.0000 0.0000 0.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all STRK order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading receives or pays a blended rate based on that month?s activity. This blended rate over the past year ranged from Cobra Trading paying STRK $0.00 per 100 shares to Cobra Trading paying STRK $0.15 per 100 shares. DASH FINANCIAL TECHNOLOGIES (DFIN/DASH) 0.13 0.00 0.04 0.08 0.00 0.00 0.0000 0.00 0.0000 0.00 0.0000 0.0000 0.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all DFIN/DASH option order types and size, regardless of contracts traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading receives or pays a blended rate based on that month?s activity. This blended rate over the past year ranged from Cobra Trading receiving from DFIN/DASH $9.13 per 100 contracts to Cobra Trading paying DFIN/DASH $2.62 per 100 contracts. CLEARPOOL EXECUTION SERVICES, LLC (DRK) 0.11 0.00 0.02 0.09 0.00 0.00 -5.0000 -0.23 -5.0000 -1.75 -5.0000 0.0000 -5.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all DRK order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading receives or pays a blended rate based on that month?s activity. This blended rate over the past year ranged from Cobra Trading paying DRK $0.04 per 100 shares to Cobra Trading paying DRK $0.10 per 100 shares. CODA MARKETS, INC. (PMID) 0.03 0.00 0.00 0.03 0.00 0.00 15.0000 0.15 15.0000 0.44 15.0000 0.0000 15.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading pays PMID $0.15 per 100 shares. 70.91 6.62 32.12 61.26 0.00 DASH FINANCIAL TECHNOLOGIES (DFIN/DASH) 44.54 6.32 13.27 24.95 0.00 0.00 0.0000 0.00 0.0000 0.00 0.0000 0.0000 0.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all DFIN/DASH option order types and size, regardless of contracts traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading receives or pays a blended rate based on that month?s activity. This blended rate over the past year ranged from Cobra Trading receiving from DFIN/DASH $9.13 per 100 contracts to Cobra Trading paying DFIN/DASH $2.62 per 100 contracts. MERRILL LYNCH PIERCE FENNER & SMITH, INC. (FSWEEP) 28.59 0.00 12.02 16.57 0.00 0.00 5.0000 169.70 5.0000 89.30 5.0000 0.0000 5.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all option order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading pays FSWEEP $0.0005 per 100 contracts. MERRILL LYNCH PIERCE FENNER & SMITH, INC. (MLCLSWP) 26.87 0.29 6.84 19.74 0.00 1.20 5.0000 336.30 5.0000 150.15 5.0000 0.0000 5.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all option order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading pays MLCLSWP $0.0005 per 100 contracts. 2020 6 17.30 24.40 44.37 25.49 5.74 CODA MARKETS, INC. (CODA) 58.65 16.08 34.10 8.47 0.00 -711.82 -7.0000 -229.37 -7.0000 -13.16 -7.0000 0.0000 -7.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading receives from CODA $0.07 per 100 shares. CODA MARKETS, INC. (PDQSMART) 14.96 3.39 1.47 10.11 0.00 -40.99 -7.0000 -14.18 -7.0000 -33.41 -7.0000 0.0000 -7.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading receives from PDQSMART $0.07 per 100 shares. CREDIT SUISSE (CSFBDESK) 10.81 0.15 3.42 2.94 4.30 -1.41 -4.1900 -79.52 -4.1900 -10.99 -4.1900 -6.6935 -4.1900 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all CSFBDESK order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading receives or pays a blended rate based on that month’s activity. This blended rate over the past year ranged from Cobra Trading receiving from CSFBDESK $0.0697 per 100 shares to Cobra Trading paying CSFBDESK $0.0532 per 100 shares. CODA MARKETS, INC. (PSMT) 6.32 3.60 1.98 0.73 0.00 86.57 15.0000 48.13 15.0000 16.62 15.0000 0.0000 15.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading receives from PSMT $0.07 per 100 shares. MERRILL LYNCH PIERCE FENNER & SMITH, INC. (SMART) 3.82 0.00 2.37 1.00 0.45 0.00 25.0000 657.42 25.0000 132.86 25.0000 16.4775 25.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading pays SMART $0.25 per 100 shares. CODA MARKETS, INC. (CODAREB) 3.24 0.32 0.65 1.28 0.98 -5.04 -7.0000 -6.46 -7.0000 -3.83 -7.0000 -0.3010 -7.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading receives from CODAREB $0.07 per 100 shares. SPEEDROUTE, LLC (SPDRX) 2.20 0.87 0.38 0.95 0.00 0.41 8.8380 0.20 8.8380 0.24 8.8380 2.2590 8.8380 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all SPDRX order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading receives or pays a blended rate based on that month?s activity. This blended rate over the past year ranged from Cobra Trading pays SPDRX $0.03 per 100 shares to Cobra Trading paying SPDRX $0.234 per 100 shares. 8.36 13.44 52.35 32.76 1.44 CODA MARKETS, INC. (CODA) 66.48 9.56 36.55 20.37 0.00 -837.55 -7.0000 -6677.43 -7.0000 -1208.56 -7.0000 0.0000 -7.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading receives from CODA $0.07 per 100 shares. MERRILL LYNCH PIERCE FENNER & SMITH, INC. (SMART) 14.99 0.18 11.05 3.45 0.30 87.03 25.0000 49243.94 25.0000 21223.94 25.0000 855.4000 25.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading pays SMART $0.25 per 100 shares. CODA MARKETS, INC. (PDQSMART) 6.82 1.25 0.72 4.84 0.00 -123.89 -7.0000 -127.79 -7.0000 -401.54 -7.0000 0.0000 -7.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading receives from PDQSMART $0.07 per 100 shares. CODA MARKETS, INC. (CODAREB) 3.15 0.27 1.18 1.28 0.42 -33.03 -7.0000 -196.64 -7.0000 -50.03 -7.0000 -20.5100 -7.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading receives from CODAREB $0.07 per 100 shares. SPEEDROUTE, LLC (SPDRX) 3.08 0.45 1.08 1.55 0.00 5.45 8.8380 29.33 8.8380 10.33 8.8380 729.6649 8.8380 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all SPDRX order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading receives or pays a blended rate based on that month?s activity. This blended rate over the past year ranged from Cobra Trading pays SPDRX $0.03 per 100 shares to Cobra Trading paying SPDRX $0.234 per 100 shares. CODA MARKETS, INC. (PSMT) 2.66 1.45 0.90 0.31 0.00 267.57 15.0000 162.07 15.0000 37.54 15.0000 0.0000 15.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading receives from PSMT $0.07 per 100 shares. CREDIT SUISSE (CSFBDESK) 1.83 0.04 0.59 0.47 0.73 -3.66 -4.1900 -84.37 -4.1900 -12.36 -4.1900 -13.7771 -4.1900 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all CSFBDESK order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading receives or pays a blended rate based on that month’s activity. This blended rate over the past year ranged from Cobra Trading receiving from CSFBDESK $0.0697 per 100 shares to Cobra Trading paying CSFBDESK $0.0532 per 100 shares. DASH FINANCIAL TECHNOLOGIES (DFIN/DASH) 0.48 0.03 0.12 0.33 0.00 0.00 0.0000 0.00 0.0000 0.00 0.0000 0.0000 0.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all DFIN/DASH option order types and size, regardless of contracts traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading receives or pays a blended rate based on that month?s activity. This blended rate over the past year ranged from Cobra Trading receiving from DFIN/DASH $9.13 per 100 contracts to Cobra Trading paying DFIN/DASH $2.62 per 100 contracts. CLEARPOOL EXECUTION SERVICES, LLC (TWP10) 0.18 0.11 0.05 0.02 0.00 -357.82 -6.0000 -1.50 -6.0000 -200.83 -6.0000 0.0000 -6.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all TWAP order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading receives or pays a blended rate based on that month?s activity. This blended rate over the past year ranged from Cobra Trading receiving from TWP30 $0.12 per 100 shares to Cobra Trading paying TWP30 $0.02 per 100 shares. DASH FINANCIAL TECHNOLOGIES (STRK) 0.10 0.00 0.08 0.03 0.00 0.00 0.0000 0.00 0.0000 0.00 0.0000 0.0000 0.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all STRK order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading receives or pays a blended rate based on that month?s activity. This blended rate over the past year ranged from Cobra Trading paying STRK $0.00 per 100 shares to Cobra Trading paying STRK $0.15 per 100 shares. CODA MARKETS, INC. (PMID) 0.08 0.00 0.00 0.08 0.00 0.00 15.0000 0.11 15.0000 0.36 15.0000 0.0000 15.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading pays PMID $0.15 per 100 shares. CLEARPOOL EXECUTION SERVICES, LLC (TWAP) 0.07 0.04 0.01 0.02 0.00 -115.68 -6.0000 -0.18 -6.0000 -16.50 -6.0000 0.0000 -6.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all TWAP order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading receives or pays a blended rate based on that month?s activity. This blended rate over the past year ranged from Cobra Trading receiving from TWP30 $0.12 per 100 shares to Cobra Trading paying TWP30 $0.02 per 100 shares. CLEARPOOL EXECUTION SERVICES, LLC (DRK) 0.02 0.00 0.01 0.01 0.00 0.00 -6.0000 -8.39 -6.0000 -20.35 -6.0000 0.0000 -6.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all DRK order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading receives or pays a blended rate based on that month?s activity. This blended rate over the past year ranged from Cobra Trading paying DRK $0.04 per 100 shares to Cobra Trading paying DRK $0.10 per 100 shares. 49.41 4.37 29.41 66.22 0.00 DASH FINANCIAL TECHNOLOGIES (DFIN/DASH) 51.98 4.24 17.00 30.74 0.00 0.00 0.0000 0.00 0.0000 0.00 0.0000 0.0000 0.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all DFIN/DASH option order types and size, regardless of contracts traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading receives or pays a blended rate based on that month?s activity. This blended rate over the past year ranged from Cobra Trading receiving from DFIN/DASH $9.13 per 100 contracts to Cobra Trading paying DFIN/DASH $2.62 per 100 contracts. MERRILL LYNCH PIERCE FENNER & SMITH, INC. (FSWEEP) 25.10 0.00 8.12 16.98 0.00 0.00 5.0000 236.75 5.0000 122.75 5.0000 0.0000 5.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all option order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading pays FSWEEP $0.0005 per 100 contracts. MERRILL LYNCH PIERCE FENNER & SMITH, INC. (MLCLSWP) 22.93 0.13 4.29 18.51 0.00 0.75 5.0000 299.95 5.0000 223.35 5.0000 0.0000 5.0000 Cobra Trading may receive volume discounts not passed on to clients. Likewise, rebates passed on to clients by Cobra Trading may be less than the rebates Cobra Trading receives from the relevant market. For all option order types and size, regardless of shares traded in a given day, month, year, etc., or any other negotiated qualifier, Cobra Trading pays MLCLSWP $0.0005 per 100 contracts.