Trades and Prices for District of Columbia: 04/25/2008

These reports represent inter-dealer and customer trades in municipal securities that have been reported by dealers to the Municipal Securities Rulemaking Board. The reports do not necessarily reflect all transactions that were effected on the specific trade date. Because of the possibility of errors in the trade submission process or errors or omissions in other processing of data, the reports should not be used as the sole basis for pricing or executing transactions in municipal securities. Prices for securities transactions vary with market conditions and can be affected by trade size and other factors.

All Information for Trade Date: 04/25/2008.

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The Red Flag indicates the bid/offer market spread for this Municipal Bond exceeded 4 points.
Red numbering in the Bid or Offer column indicates the spread between high and low price exceeded 1 point.
Red numbering in the Yield column indicates a negative yield.

Municipal Bond Name / Description	Coupon	Maturity	Bid Side Customer Sold to Dealer (Lowest / Highest)		Offer Side Customer Purchase from Dealer (Lowest / Highest)	Yield* Offer Side (Lo Px / Hi Px)	# of Trades	Volume (000)
DISTRICT COLUMBIA ARS-SUBSER C-2	%	06/01/2034	100.000 / 100.000		100.000 / 100.000		22	3400+5
DISTRICT COLUMBIA REF-SER B	5.500%	06/01/2008	100.055 / 100.055				1	15
DISTRICT COLUMBIA REF-SER B	5.500%	06/01/2009			103.520 / 103.520	2.20% / 2.20%	1	160
DISTRICT COLUMBIA SER A	5.250%	06/01/2013			108.570 / 108.570	3.40% / 3.40%	2	60
DISTRICT COLUMBIA SER C	4.000%	06/01/2009			101.865 / 101.865	2.25% / 2.25%	1	50
DISTRICT COLUMBIA SER C	5.000%	06/01/2016	105.423 / 105.423				2	20
DISTRICT COLUMBIA UNREF BAL-REF-A-1-MBIA INSD	6.500%	06/01/2010	106.621 / 106.621				1	10
DISTRICT COLUMBIA UNREFUNDED BAL-A-2005-MBIA IBC	5.250%	06/01/2027			101.625 / 101.625	-1.94% / -1.94%	3	165
DISTRICT COLUMBIA UNREFUNDED BAL-CAP APPREC-B	0.000%	06/01/2014	77.418 / 77.418				1	25
DISTRICT COLUMBIA UNREFUNDED BALANCE-SER B	5.500%	06/01/2009			103.214 / 103.214	2.48% / 2.48%	1	30
DISTRICT COLUMBIA VAR-MULTIMODAL-REF-SER D	%	06/01/2031	100.000 / 100.000		100.000 / 100.000		2	+2
DISTRICT COLUMBIA BALLPARK REV SER B-1	5.000%	02/01/2022			99.300 / 99.598	5.07% / 5.04%	6	230
DISTRICT COLUMBIA BALLPARK REV SER B-1-MBIA IBC	5.000%	02/01/2035			101.000 / 102.060	4.84% / 4.68%	5	140
DISTRICT COLUMBIA CTFS PARTN	5.000%	01/01/2018	96.584 / 96.584				2	10
DISTRICT COLUMBIA REV CATHOLIC UNIV OF AMERICA	5.000%	10/01/2029			102.250 / 102.250	4.69% / 4.69%	1	20
DISTRICT COLUMBIA REV FRIENDSHIP PUB CHARTER SCH INC	5.250%	06/01/2033	80.156 / 80.156				1	20
DISTRICT COLUMBIA REV JAMES F OYSTER ELEM SCH PILOT	6.250%	11/01/2021			99.000 / 99.000	6.36% / 6.36%	1	50
DISTRICT COLUMBIA REV PARS-TRANCHE 3-SER A	%	08/15/2038			100.000 / 100.000		3	+3
DISTRICT COLUMBIA REV PREREFUNDED-CATHOLIC UNIV	5.500%	10/01/2019	103.500 / 103.500				4	2100
DISTRICT COLUMBIA REV UNIV-GEORGE WASHINGTON UNIV-B	%	09/15/2029	100.000 / 100.000				2	200
DISTRICT COLUMBIA REV VAR RATE-THE AMERN UNIV ISSUE	%	10/01/2015	100.000 / 100.000		100.000 / 100.000		3	100+2
DISTRICT COLUMBIA REV VAR-AMERN UNIV ISSUE-A	%	12/01/2015	100.000 / 100.000		100.000 / 100.000		2	+2
DISTRICT COLUMBIA REV VAR-THE PHILLIPS CLG ISSUE	%	08/01/2033			100.000 / 100.000	0.00% / 0.00%	1	+1
DISTRICT COLUMBIA TOB SETTLEMENT FING CORP ASSET BKD BDS	6.500%	05/15/2033					2	440
DISTRICT COLUMBIA TOB SETTLEMENT FING CORP ASSET BKD BDS	6.750%	05/15/2040			102.500 / 102.500	6.04% / 6.04%	1	15
DISTRICT COLUMBIA WTR & SWR AUTH PUB UTIL REV ARS-SUB LIEN-SUBSER B-1	%	10/01/2029			100.000 / 100.000		3	325
DISTRICT COLUMBIA WTR & SWR AUTH PUB UTIL REV REF-SUB LIEN-SER A	5.000%	10/01/2016	109.479 / 109.479		109.859 / 109.859	3.63% / 3.63%	2	+2
DISTRICT COLUMBIA WTR & SWR AUTH PUB UTIL REV REF-SUB LIEN-SER A	5.000%	10/01/2018	104.970 / 104.970		106.694 / 106.694	4.20% / 4.20%	2	50
DISTRICT COLUMBIA WTR & SWR AUTH PUB UTIL REV REF-SUB LIEN-SER A	5.000%	10/01/2025			106.517 / 106.517	4.22% / 4.22%	1	40
DISTRICT COLUMBIA WTR & SWR AUTH PUB UTIL REV SUB LIEN	5.000%	10/01/2033			99.768 / 99.768	5.02% / 5.02%	2	50
DISTRICT COLUMBIA WTR & SWR AUTH PUB UTIL REV SUB LIEN-SER A	5.000%	10/01/2038			101.619 / 101.619	4.78% / 4.78%	1	25
METROPOLITAN WASH D C ARPTS AUTH ARPT SYS REV AMT-REF-SER A	4.250%	10/01/2014	97.237 / 97.237				3	15
METROPOLITAN WASH D C ARPTS AUTH ARPT SYS REV AMT-REF-SER A	4.750%	10/01/2020			97.863 / 97.863	4.98% / 4.98%	2	10
METROPOLITAN WASH D C ARPTS AUTH ARPT SYS REV AMT-REF-SER A	4.750%	10/01/2021			98.375 / 98.375	4.92% / 4.92%	1	30
METROPOLITAN WASH D C ARPTS AUTH ARPT SYS REV AMT-REF-SER A	5.125%	10/01/2029	93.809 / 93.809				1	10
METROPOLITAN WASH D C ARPTS AUTH ARPT SYS REV AMT-SER A	4.375%	10/01/2011			103.035 / 103.035	3.43% / 3.43%	1	5
METROPOLITAN WASH D C ARPTS AUTH ARPT SYS REV AMT-SER A	5.000%	10/01/2021	97.213 / 97.213				1	10
METROPOLITAN WASH D C ARPTS AUTH ARPT SYS REV AMT-SER A	5.000%	10/01/2031	93.150 / 93.150		96.150 / 97.775	5.29% / 5.17%	13	205
METROPOLITAN WASH D C ARPTS AUTH ARPT SYS REV AMT-SER B	5.000%	10/01/2027			97.750 / 99.650	5.18% / 5.03%	3	40
METROPOLITAN WASH D C ARPTS AUTH ARPT SYS REV AMT-SER B	5.050%	10/01/2028	95.620 / 95.620		98.120 / 99.000	5.20% / 5.13%	4	40
METROPOLITAN WASH D C ARPTS AUTH ARPT SYS REV AMT-SER B	5.000%	10/01/2034	92.590 / 92.590		96.440 / 96.440	5.25% / 5.25%	2	10
METROPOLITAN WASH D C ARPTS AUTH ARPT SYS REV AMT-SER B	5.000%	10/01/2036			98.497 / 99.000	5.10% / 5.07%	5	150
METROPOLITAN WASH D C ARPTS AUTH ARPT SYS REV REF-SER D	5.000%	10/01/2032			97.163 / 97.163	5.21% / 5.21%	1	20
METROPOLITAN WASH D C ARPTS AUTH ARPT SYS REV SER B	5.250%	10/01/2032	107.000 / 107.000				1	10
METROPOLITAN WASHINGTON D C ARPTS AUTH GEN ARPT REV AMT-REF-SER B	5.000%	10/01/2028	92.820 / 94.630		98.310 / 98.310	5.13% / 5.13%	7	265
METROPOLITAN WASHINGTON D C ARPTS AUTH GEN ARPT REV REF-SER A	5.000%	10/01/2027	91.050 / 91.050		97.402 / 97.402	5.21% / 5.21%	3	70
WASHINGTON D C CONVENTION CTR AUTH DEDICATED TAX REV REF-SR LIEN-SER A	5.000%	10/01/2014			108.269 / 108.269	3.55% / 3.55%	2	50
WASHINGTON D C CONVENTION CTR AUTH DEDICATED TAX REV SR LIEN	5.000%	10/01/2021	101.756 / 101.756				1	25
WASHINGTON D C CONVENTION CTR AUTH DEDICATED TAX REV SR LIEN	4.750%	10/01/2028	99.260 / 100.570		100.720 / 101.121	3.00% / 2.05%	13	595

These reports represent inter-dealer and customer trades in municipal securities that have been reported by dealers to the Municipal Securities Rulemaking Board. The reports do not necessarily reflect all transactions that were effected on the specific trade date. Because of the possibility of errors in the trade submission process or errors or omissions in other processing of data, the reports should not be used as the sole basis for pricing or executing transactions in municipal securities. Prices for securities transactions vary with market conditions and can be affected by trade size and other factors.

Data provided by: