Step 1
Direction: ← QuoteRequest (R)
Comentary: Tradeweb sends trade information to dealer.
FIX Message: 8=FIXT.1.1 9=869 35=R 34=2 49=TRADEWEB 52=20160401-16:53:19.992 56=TW1_CORI_TEST_12345_DLRDPL 131=LST_20160401_TW1_CORI_NY302485.18_1 146=1 55=AMXLMM 2.375 09/08/16 48=02364WBC8 22=1 460=12 167=CORP 762=REGCORIPRC 541=20160908 225=20110908 470=MX 223=2.375 106=AMERICA MOVIL SAB DE CV 54=2 38=1000000 64=20160406 15=USD 6110=Comms 60=20160401-16:53:19 662=99.98046875 22570=0.76 663=1 699=912828UR9 761=1 423=6 44=-999999 5023=0.001000 66=NY302485.18 6847=1 75=20160401 464=Y 20086=1 20074=Y 20075=Y 20077=LatAm Comms 20078=pddealer 20079=60 20081=60 20090=60 20072=60 20098=60 5745=1 20073=RFQ 20076=Y 20156=N 20130=2000000000 20138=JPM,MER 20175=20120308 2115=0 22630=0 20265=LatAm 453=3 448=emack 447=C 452=3 802=3 523=Dev Test 803=2 523=NY 803=25 523=USA 803=4000 448=Tradeweb 447=C 452=1 802=1 523=Tradeweb0001 803=4002 448=DTCC 447=C 452=4 5114=2 5113=1 20169=A2 5113=0 20169=A- 10=121

Step 2
Direction: QuoteStatusReport (AI) →
Comentary: Dealer acknowledges trade.
FIX Message: 8=FIXT.1.1 9=198 35=AI 49=TW1_CORI_TEST_12345_DLRDPL 56=TRADEWEB 34=2 52=20160401-16:53:19.988 131=LST_20160401_TW1_CORI_NY302485.18_1 117=LST_20160401_TW1_CORI_NY302485.18_1 55=[N/A] 60=20160401-16:53:19.988 297=0 10=106

Step 3
Direction: Quote (S) →
Comentary: Dealer sends quote.
FIX Message: 8=FIXT.1.1 9=231 35=S 49=TW1_CORI_TEST_12345_DLRDPL 56=TRADEWEB 34=3 52=20160401-16:53:19.990 117=LST_20160401_TW1_CORI_NY302485.18_1 55=[N/A] 54=2 131=LST_20160401_TW1_CORI_NY302485.18_1 537=211 6153=emackdlr 44=.99 423=6 60=20160401-16:53:19.990 10=247

Step 4
Direction: ← QuoteAck (CW)
Comentary: Tradeweb acknowledges quote.
FIX Message: 8=FIXT.1.1 9=186 35=CW 34=3 49=TRADEWEB 52=20160401-16:53:25.102 56=TW1_CORI_TEST_12345_DLRDPL 60=20160401-16:53:25 117=LST_20160401_TW1_CORI_NY302485.18_1 131=LST_20160401_TW1_CORI_NY302485.18_1 1865=1 10=154

Step 5
Direction: Quote (S) →
Comentary: Dealer sends quote.
FIX Message: 8=FIXT.1.1 9=239 35=S 49=TW1_CORI_TEST_12345_DLRDPL 56=TRADEWEB 34=4 52=20160401-16:53:19.990 117=LST_20160401_TW1_CORI_NY302485.18_1 55=[N/A] 54=2 131=LST_20160401_TW1_CORI_NY302485.18_1 537=211 20087=5 6153=emackdlr 44=.97 423=6 60=20160401-16:53:19.990 10=114

Step 6
Direction: ← QuoteAck (CW)
Comentary: Tradeweb acknowledges quote.
FIX Message: 8=FIXT.1.1 9=186 35=CW 34=4 49=TRADEWEB 52=20160401-16:53:30.055 56=TW1_CORI_TEST_12345_DLRDPL 60=20160401-16:53:30 117=LST_20160401_TW1_CORI_NY302485.18_1 131=LST_20160401_TW1_CORI_NY302485.18_1 1865=1 10=154

Step 7
Direction: Quote (S) →
Comentary: Dealer sends quote.
FIX Message: 8=FIXT.1.1 9=239 35=S 49=TW1_CORI_TEST_12345_DLRDPL 56=TRADEWEB 34=6 52=20160401-16:53:19.990 117=LST_20160401_TW1_CORI_NY302485.18_1 55=[N/A] 54=2 131=LST_20160401_TW1_CORI_NY302485.18_1 537=211 20087=5 6153=emackdlr 44=.98 423=6 60=20160401-16:53:19.990 10=117

Step 8
Direction: ← QuoteAck (CW)
Commentary: Tradeweb acknowledges quote.
FIX Message: 8=FIXT.1.1 9=186 35=CW 34=5 49=TRADEWEB 52=20160401-16:53:35.071 56=TW1_CORI_TEST_12345_DLRDPL 60=20160401-16:53:35 117=LST_20160401_TW1_CORI_NY302485.18_1 131=LST_20160401_TW1_CORI_NY302485.18_1 1865=1 10=163

Step 9
Direction: ← ExecutionReport (8)
Commentary: Tradeweb notifies dealer that the list trading (Due In time) has ended. ExecType=A
FIX Message: 8=FIXT.1.1 9=289 35=8 34=7 49=TRADEWEB 52=20160401-16:54:19.463 56=TW1_CORI_TEST_12345_DLRDPL 6=0 11=LST_20160401_TW1_CORI_NY302485.18_1 14=0 17=LST_20160401_TW1_CORI_NY302485.18_1_LISTEND-125419.463 37=LST_20160401_TW1_CORI_NY302485.18_1 39=D 55=[N/A] 60=20160401-16:54:19 75=20160401 150=I 151=0 20086=1 10=073

Step 10
Direction: ExecutionAck (BN) →
Commentary: Dealer acknowledges ExecutionReport message.
FIX Message: 8=FIXT.1.1 9=255 35=BN 49=TW1_CORI_TEST_12345_DLRDPL 56=TRADEWEB 34=8 52=20160401-16:54:19.448 1036=1 37=LST_20160401_TW1_CORI_NY302485.18_1 11=LST_20160401_TW1_CORI_NY302485.18_1 17=LST_20160401_TW1_CORI_NY302485.18_1_LISTEND-125419.448 55=[N/A] 60=20160401-16:54:19.448 10=119

Step 11
Direction: ← QuoteResponse (AJ)
Commentary: Customer lifts after good-for time expires. Tradeweb informs dealer customer lift.
FIX Message: 8=FIXT.1.1 9=431 35=AJ 34=10 49=TRADEWEB 52=20160401-16:55:32.855 56=TW1_CORI_TEST_12345_DLRDPL 11=LST_20160401_TW1_CORI_NY302485.18_1 22=1 38=1000000 44=0.98 48=02364WBC8 54=2 55=[N/A] 60=20160401-16:55:32 117=LST_20160401_TW1_CORI_NY302485.18_1 131=LST_20160401_TW1_CORI_NY302485.18_1 423=6 662=99.98046875 693=LST_20160401_TW1_CORI_NY302485.18_1_TRDREQ 694=1 2115=1 20074=Y 20075=N 20076=N 20079=60 20082=60 20156=N 22570=0.760289080299 22630=0 10=183

Step 12
Direction: QuoteStatusReport (AI) →
Commentary: Dealer acknowledges customer’s trade acceptance.
FIX Message: 8=FIXT.1.1 9=206 35=AI 49=TW1_CORI_TEST_12345_DLRDPL 56=TRADEWEB 34=12 52=20160401-16:55:32.849 693=LST_20160401_TW1_CORI_NY302485.18_1_TRDREQ 131=LST_20160401_TW1_CORI_NY302485.18_1 55=[N/A] 60=20160401-16:55:32.849 297=0 10=189

Step 13
Direction: ← ExecutionReport (8)
Commentary: Tradeweb notifies the dealer that list has ended
FIX Message: incoming8=FIXT.1.1 9=290 35=8 34=11 49=TRADEWEB 52=20160401-16:55:32.855 56=TW1_CORI_TEST_12345_DLRDPL 6=0 11=LST_20160401_TW1_CORI_NY302485.18_1 14=0 17=LST_20160401_TW1_CORI_NY302485.18_1_LISTEND-125532.855 37=LST_20160401_TW1_CORI_NY302485.18_1 39=A 55=[N/A] 60=20160401-16:55:32 75=20160401 150=A 151=0 20086=1 10=095

Step 14
Direction: ExecutionAck (BN) →
Commentary: Dealer acknowledges ExecutionReport message.
FIX Message: 8=FIXT.1.1 9=256 35=BN 49=TW1_CORI_TEST_12345_DLRDPL 56=TRADEWEB 34=13 52=20160401-16:55:32.852 1036=1 37=LST_20160401_TW1_CORI_NY302485.18_1 11=LST_20160401_TW1_CORI_NY302485.18_1 17=LST_20160401_TW1_CORI_NY302485.18_1_LISTEND-125532.852 55=[N/A] 60=20160401-16:55:32.852 10=155

Step 15
Direction: ExecutionReport (8) →
Commentary: Dealer accepts – re-quote is not allowed. ExecType=F, OrdStatus=Filled
FIX Message: 8=FIXT.1.1 9=283 35=8 34=14 49=TW1_CORI_TEST_12345_DLRDPL 52=20160401-16:55:32.850 56=TRADEWEB 6=0 14=0 17=LST_20160401_TW1_CORI_NY302485.18_1 37=LST_20160401_TW1_CORI_NY302485.18_1 39=2 54=2 55=[N/A] 150=F 151=0 6153=LST_20160401_TW1_CORI_NY302485.18_1 22631=POSTTRADE_STRING 22632=POSTTRADE_STRING 10=155

Step 16
Direction: ← ExecutionAck (BN)
Commentary: Tradeweb acknowledges ExecutionReport
FIX Message: 8=FIXT.1.1 9=233 35=BN 34=12 49=TRADEWEB 52=20160401-16:55:37.917 56=TW1_CORI_TEST_12345_DLRDPL 11=LST_20160401_TW1_CORI_NY302485.18_1 17=LST_20160401_TW1_CORI_NY302485.18_1 37=LST_20160401_TW1_CORI_NY302485.18_1 55=[N/A] 60=20160401-16:55:37 1036=1 10=051

Step 17
Direction: ← ExecutionReport (8)
Commentary: Tradeweb informs Dealer of outcome of a list trade item. OrdStatus=Filled, ExecType=Trade
FIX Message: 8=FIXT.1.1 9=337 35=8 34=13 49=TRADEWEB 52=20160401-16:55:37.917 56=TW1_CORI_TEST_12345_DLRDPL 6=0 11=LST_20160401_TW1_CORI_NY302485.18_1 14=0 17=LST_20160401_TW1_CORI_NY302485.18_1_TRDEND-125537.917 37=LST_20160401_TW1_CORI_NY302485.18_1 39=2 44=0.98 54=2 55=[N/A] 60=20160401-16:55:37 75=20160401 150=F 151=0 423=6 662=99.98046875 22570=0.760289080299 10=067

Step 18
Direction: ExecutionAck (BN) →
Comentary: Dealer acknowledges ExecutionReport message.
FIX Message: 8=FIXT.1.1 9=255 35=BN 49=TW1_CORI_TEST_12345_DLRDPL 56=TRADEWEB 34=15 52=20160401-16:55:37.910 1036=1 37=LST_20160401_TW1_CORI_NY302485.18_1 11=LST_20160401_TW1_CORI_NY302485.18_1 17=LST_20160401_TW1_CORI_NY302485.18_1_TRDEND-125537.917 55=[N/A] 60=20160401-16:55:37.910 10=078

Step 19
Direction:
Comentary: Autospot at Tradeweb Treasury composite.
FIX Message:

Step 20
Direction: ← ExecutionReport (8)
Comentary: Tradeweb sends ExecutionReport message to confirm final outcome of list trade item including applicable cover quote, spot, settlement money information, etc. OrdStatus=Filled, ExecType=Order Status TradeSummary = Y
FIX Message: 8=FIXT.1.1 9=733 35=8 34=14 49=TRADEWEB 52=20160401-16:55:40.292 56=TW1_CORI_TEST_12345_DLRDPL 6=0 11=LST_20160401_TW1_CORI_NY302485.18_1 14=0 17=LST_20160401_TW1_CORI_NY302485.18_1_TRDSUMM-125540.277 22=1 37=LST_20160401_TW1_CORI_NY302485.18_1 38=1000000 39=2 44=0.98 48=02364WBC8 54=2 55=[N/A] 60=20160401-16:55:40 64=20160406 75=20160401 150=F 151=0 167=CORP 236=1.74 423=6 453=2 448=emack 447=C 452=3 802=3 523=Dev Test 803=2 523=NY 803=25 523=USA 803=4000 448=Tradeweb 447=C 452=1 802=2 523=Tradeweb0001 803=4002 523=YES 803=4003 526=TRD_20160401_TW1_CORI_23 662=99.98046875 1003=20160401.TW1.CORI.23 6153=emackdlr 6731=20160401.TW1.CORI.23 20115=100.265 20250=225000 22570=0.76 22630=0 22631=POSTTRADE_STRING 22634=160401.DLRX.TRSY.120 22636=Y 10=239

Step 21
Direction: ExecutionAck (BN) →
Comentary: Dealer acknowledges ExecutionReport message.
FIX Message: 8=FIXT.1.1 9=256 35=BN 49=TW1_CORI_TEST_12345_DLRDPL 56=TRADEWEB 34=16 52=20160401-16:55:40.287 1036=1 37=LST_20160401_TW1_CORI_NY302485.18_1 11=LST_20160401_TW1_CORI_NY302485.18_1 17=LST_20160401_TW1_CORI_NY302485.18_1_TRDSUMM-125540.277 55=[N/A] 60=20160401-16:55:40.287 10=182