Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Summary Collateral Information
	Description
Group 1	HYBRID ARM
Group 2A1	HYBRID ARM
Group 2A2	HYBRID ARM
Group 2A3	HYBRID ARM
Group 2A4	HYBRID ARM
Group 2A5	HYBRID ARM
Group 3	HYBRID ARM

General Information
Description	Total	Group 1	Group 2A1	Group 2A2	Group 2A3	Group 2A4
Weighted Average Pass Through Rate	5.68843%	5.54104%	5.67374%	5.33552%	5.65744%	5.89275%
Weighted Average Mortgage Interest Rate	6.23898%	6.26604%	6.24874%	5.86052%	6.18244%	6.41775%
Weighted Average Remaining Term (in Months)	352.66473	352.62936	352.69918	352.68265	352.71662	352.69491
Weighted Average Loan Age (in Months)	7.33527	7.37064	7.30082	7.31735	7.28338	7.30509
Average Ending Scheduled Principal Balance	$817,419.02	$804,250.07	$815,494.77	$807,615.99	$868,323.10	$776,982.18
Remaining Loan Count	1894	574	207	174	233	169
Ending Scheduled Principal Balance	$1,548,191,620.99	$461,639,542.90	$168,807,417.96	$140,525,182.44	$202,319,281.29	$131,309,988.84

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

General Information (Continued)
Description	Group 2A5	Group 3
Weighted Average Pass Through Rate	6.24301%	5.82222%
Weighted Average Mortgage Interest Rate	6.76801%	6.17222%
Weighted Average Remaining Term (in Months)	352.72471	352.62974
Weighted Average Loan Age (in Months)	7.27529	7.37026
Average Ending Scheduled Principal Balance	$738,921.09	$853,601.44
Remaining Loan Count	129	408
Ending Scheduled Principal Balance	$95,320,820.55	$348,269,387.01

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Geographic Distribution
Total			Group 1			Group 2A1
State	Percent	Ending Scheduled Principal Balance	State	Percent	Ending Scheduled Principal Balance	State	Percent	Ending Scheduled Principal Balance
CA	$1,069,229,459.91	69.06%	CA	$335,268,579.24	72.63%	CA	$117,605,616.72	69.67%
NY	$83,605,029.64	5.40%	NY	$24,341,107.62	5.27%	WA	$9,342,025.14	5.53%
WA	$69,754,884.47	4.51%	FL	$16,249,125.96	3.52%	IL	$8,999,296.16	5.33%
FL	$47,093,724.10	3.04%	IL	$11,069,434.60	2.40%	FL	$5,140,311.10	3.05%
AZ	$45,300,662.03	2.93%	WA	$10,524,841.04	2.28%	NY	$4,839,693.06	2.87%
OTHER	$233,207,860.84	15.06%	OTHER	$64,186,454.44	13.90%	OTHER	$22,880,475.78	13.55%

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Geographic Distribution
Group 2A2			Group 2A3			Group 2A4
State	Percent	Ending Scheduled Principal Balance	State	Percent	Ending Scheduled Principal Balance	State	Percent	Ending Scheduled Principal Balance
CA	$112,559,553.41	80.10%	CA	$148,219,820.11	73.26%	CA	$76,751,916.48	58.45%
WA	$7,466,150.35	5.31%	WA	$8,792,878.72	4.35%	NY	$9,440,637.54	7.19%
FL	$5,865,000.00	4.17%	NY	$8,112,442.37	4.01%	WA	$7,945,135.54	6.05%
AZ	$3,539,000.00	2.52%	AZ	$6,230,367.42	3.08%	AZ	$7,727,922.52	5.89%
NY	$3,119,457.84	2.22%	NJ	$4,830,891.64	2.39%	FL	$6,546,981.62	4.99%
OTHER	$7,976,020.84	5.68%	OTHER	$26,132,881.03	12.92%	OTHER	$22,897,395.14	17.44%

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Geographic Distribution
Group 2A5			Group 3
State	Percent	Ending Scheduled Principal Balance	State	Percent	Ending Scheduled Principal Balance
CA	$54,436,277.72	57.11%	CA	$224,387,696.23	64.43%
WA	$8,656,058.57	9.08%	NY	$29,219,843.70	8.39%
IL	$7,083,366.81	7.43%	WA	$17,027,795.11	4.89%
NY	$4,531,847.51	4.75%	CO	$11,376,783.88	3.27%
AZ	$4,402,548.08	4.62%	AZ	$10,577,651.34	3.04%
OTHER	$16,210,721.86	17.01%	OTHER	$55,679,616.75	15.99%

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Prepayment Information (all groups)
	1 Month	3 Month	6 Month	12 Month	Cumulative
PSA	504.31592%	629.01182%	843.62582%	1037.02035%	1037.02259%
CPR	7.39859%	7.96873%	8.15772%	8.99102%	8.99105%
SMM	0.63850%	0.68963%	0.70664%	0.78203%	0.78203%

Trigger Events
	Trigger Flag
Group I Optional Termination Date Has Occurred; 1=Yes, 0=No	0
Group II Optional Termination Date Has Occurred; 1=Yes, 0=No	0
Group III Optional Termination Date Has Occurred; 1=Yes, 0=No	0
Group I Senior Prepayment Step-Down Has Occurred; 1=Yes, 0=No	0
Group II Senior Prepayment Step-Down Has Occurred; 1=Yes, 0=No	0
Group III Senior Prepayment Step-Down Has Occurred; 1=Yes, 0=No	0
Group I Senior Credit Support Depletion Date Has Occurred; 1=Yes, 0=No	0
Group II Senior Credit Support Depletion Date Has Occurred; 1=Yes, 0=No	0
Group III Senior Credit Support Depletion Date Has Occurred; 1=Yes, 0=No	0

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Comments

1. The Group 1-B Subordinate Certificates provide, to the limited extent described in the Prospectus Supplement, credit support, to certain Group 1 Senior Certificates. The "Prospectus Supplement" is that certain Prospectus Supplement, dated April 23, 2007 to that certain Prospectus, dated April 17, 2007, pursuant to which the Group 1 Senior Certificates were offered.

2. The Group 2-B Subordinate Certificates provide, to the limited extent described in the Prospectus Supplement, credit support, to certain Group 2 Senior Certificates. The "Prospectus Supplement" is that certain Prospectus Supplement, dated April 23, 2007 to that certain Prospectus, dated April 17, 2007, pursuant to which the Group 2 Senior Certificates were offered.

3. The Group 3-B Subordinate Certificates provide, to the limited extent described in the Prospectus Supplement, credit support, to certain Group 2 Senior Certificates. The "Prospectus Supplement" is that certain Prospectus Supplement, dated April 23, 2007 to that certain Prospectus, dated April 17, 2007, pursuant to which the Group 3 Senior Certificates were offered.

4. The MBA method of delinquency calculation is used.

Certificate Payment Summary Report
Class	CUSIP	Original Principal/Notional Balance	Beginning Principal/Notional Balance	Interest Distribution	Principal Distribution	Principal Loss	Deferred Interest	Total Distribution	Ending Principal/Notional Balance
1A1	92990GAA1	$452,943,000.00	$420,728,399.05	$1,942,728.94	$3,601,047.06	$0.00	$0.00	$5,543,776.00	$417,127,351.99
1A2	92990GAB9	$22,588,000.00	$20,981,476.86	$96,882.74	$179,582.09	$0.00	$0.00	$276,464.83	$20,801,894.77
2A1	92990GAC7	$162,870,000.00	$156,466,616.10	$739,792.33	$1,198,445.20	$0.00	$0.00	$1,938,237.53	$155,268,170.90
2A2	92990GAD5	$132,044,000.00	$129,425,698.09	$575,461.34	$23,672.10	$0.00	$0.00	$599,133.44	$129,402,025.99
2A3	92990GAE3	$193,664,000.00	$186,205,170.47	$877,870.58	$46,172.06	$0.00	$0.00	$924,042.64	$186,158,998.41
2A4	92990GAF0	$128,352,000.00	$120,838,585.88	$593,392.90	$127,824.34	$0.00	$0.00	$721,217.24	$120,710,761.54
2A5	92990GAG8	$91,475,000.00	$87,736,205.65	$456,448.55	$39,363.65	$0.00	$0.00	$495,812.20	$87,696,842.00

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Certificate Payment Summary Report (Continued)
Class	CUSIP	Original Principal/Notional Balance	Beginning Principal/Notional Balance	Interest Distribution	Principal Distribution	Principal Loss	Deferred Interest	Total Distribution	Ending Principal/Notional Balance
2AB	92990GAH6	$29,518,000.00	$28,362,430.10	$135,128.44	$59,817.07	$0.00	$0.00	$194,945.51	$28,302,613.03
2AB1	XXXXXXXXX	$6,787,000.00	$6,520,162.84	$30,828.09	$49,940.74	$0.00	$0.00	$80,768.83	$6,470,222.10
2AB2	XXXXXXXXX	$5,502,000.00	$5,392,900.79	$23,978.28	$986.37	$0.00	$0.00	$24,964.65	$5,391,914.42
2AB3	XXXXXXXXX	$8,070,000.00	$7,759,189.76	$36,580.97	$1,923.99	$0.00	$0.00	$38,504.96	$7,757,265.77
2AB4	XXXXXXXXX	$5,348,000.00	$5,034,941.07	$24,724.71	$5,326.01	$0.00	$0.00	$30,050.72	$5,029,615.06
2AB5	XXXXXXXXX	$3,811,000.00	$3,655,235.64	$19,016.40	$1,639.95	$0.00	$0.00	$20,656.35	$3,653,595.69
3A1	92990GAJ2	$316,524,000.00	$303,049,425.72	$1,470,350.28	$4,212,038.56	$0.00	$0.00	$5,682,388.84	$298,837,387.16
3A2	92990GAK9	$38,324,000.00	$36,692,529.46	$178,026.64	$509,983.97	$0.00	$0.00	$688,010.61	$36,182,545.49
1B1	92990GAL7	$10,235,000.00	$10,233,235.79	$47,252.35	$311.51	$0.00	$0.00	$47,563.86	$10,232,924.28
1B2	92990GAM5	$4,743,000.00	$4,742,182.44	$21,897.20	$144.36	$0.00	$0.00	$22,041.56	$4,742,038.08
1B3	92990GAN3	$2,746,000.00	$2,745,526.66	$12,677.57	$83.58	$0.00	$0.00	$12,761.15	$2,745,443.08
1B4	92990GAW3	$2,496,000.00	$2,495,569.76	$11,523.39	$75.97	$0.00	$0.00	$11,599.36	$2,495,493.79
1B5	92990GAX1	$1,997,000.00	$1,996,655.77	$9,219.63	$60.78	$0.00	$0.00	$9,280.41	$1,996,594.99

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Certificate Payment Summary Report (Continued)
Class	CUSIP	Original Principal/Notional Balance	Beginning Principal/Notional Balance	Interest Distribution	Principal Distribution	Principal Loss	Deferred Interest	Total Distribution	Ending Principal/Notional Balance
1B6	92990GAY9	$1,498,105.74	$1,497,847.52	$6,916.37	$45.58	$0.02	$0.00	$6,961.95	$1,497,801.92
2B1	92990GAP8	$13,455,000.00	$13,452,393.71	$64,116.68	$454.96	$0.00	$0.00	$64,571.64	$13,451,938.75
2B2	92990GAQ6	$6,533,000.00	$6,531,734.53	$31,131.50	$220.90	$0.00	$0.00	$31,352.40	$6,531,513.63
2B3	92990GAR4	$3,075,000.00	$3,074,404.36	$14,653.20	$103.98	$0.00	$0.00	$14,757.18	$3,074,300.38
2B4	92990GAZ6	$3,459,000.00	$3,458,329.99	$16,483.07	$116.96	$0.00	$0.00	$16,600.03	$3,458,213.03
2B5	92990GBA0	$2,690,000.00	$2,689,478.93	$12,818.57	$90.96	$0.00	$0.00	$12,909.53	$2,689,387.97
2B6	92990GBB8	$1,538,275.43	$1,537,977.45	$7,330.30	$51.88	$0.13	$0.00	$7,382.18	$1,537,925.45
3B1	92990GAS2	$5,522,000.00	$5,520,886.47	$26,786.51	$192.77	$0.00	$0.00	$26,979.28	$5,520,693.70
3B2	92990GAT0	$2,945,000.00	$2,944,406.13	$14,285.82	$102.81	$0.00	$0.00	$14,388.63	$2,944,303.32
3B3	92990GAU7	$1,472,000.00	$1,471,703.17	$7,140.48	$51.39	$0.00	$0.00	$7,191.87	$1,471,651.78
3B4	92990GBC6	$1,473,000.00	$1,472,702.96	$7,145.33	$51.42	$0.00	$0.00	$7,196.75	$1,472,651.54
3B5	92990GBD4	$1,104,000.00	$1,103,777.39	$5,355.36	$38.54	$0.00	$0.00	$5,393.90	$1,103,738.85
3B6	92990GBE2	$736,589.44	$736,440.86	$3,573.10	$25.71	$0.00	$0.00	$3,598.81	$736,415.15

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Certificate Payment Summary Report (Continued)
Class	CUSIP	Original Principal/Notional Balance	Beginning Principal/Notional Balance	Interest Distribution	Principal Distribution	Principal Loss	Deferred Interest	Total Distribution	Ending Principal/Notional Balance
R	92990GAV5	$100.00	$0.00	$0.11	$0.00	$0.00	$0.00	$0.11	$0.00
R_SYN	XXXXXXXXX	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00
TFEE	XXXXXXXXX	$0.00	$0.00	$493.43	$0.00	$0.00	$0.00	$493.43	$0.00
Total*		$1,636,020,070.61	$1,558,191,791.27	$7,386,389.26	$10,000,170.16	$0.15	$0.00	$17,386,559.44	$1,548,191,620.97

*Total balances exclude notional balances.

Total Funds Available for Distribution
PRINCIPAL BALANCE
Scheduled Principal Received or Advanced	$51,427.57
Unscheduled Principal	$3,067,536.52
Prepayments in Full	$6,881,206.22
Repurchases	$0.00
Liquidations	$0.00

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Total Funds Available for Distribution
PRINCIPAL BALANCE
Total Principal	$10,000,170.31
INTEREST
Accrued Interest at Gross Rate	$8,101,277.36
Relief Act Shortfall	$0.00
Prepayment Interest Shortfall	$0.00
Servicing Fees	$714,887.55
Other	$0.00
Total Interest	$7,386,389.13
ADDITIONAL FUNDS
Excess Liquidation Proceeds	$0.00
Subsequent Recoveries	$0.00
Prepayment Penalties	$0.00
Other	$0.00
Total Additional Funds	$0.00
Total Funds Available for Distribution	$17,386,559.44

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Supplemental Reporting - Exchangeable Classes
Class	CUSIP	Maximum Principal Balance	Prior Month Ending Balance	New Exchanges	Beginning Principal Balance	Interest Distribution	Principal Distribution	Ending Principal Balance

Certificate Payment Report - Principal
Class	CUSIP	Beginning Principal/Notional Balance	Principal Distribution	Principal Loss	Principal Reimbursed	Subsequent Recoveries	Deferred Interest	Total Principal Distribution	Ending Principal/Notional Balance
1A1	92990GAA1	$420,728,399.05	$3,601,047.06	$0.00	$0.00	$0.00	$0.00	$3,601,047.06	$417,127,351.99
1A2	92990GAB9	$20,981,476.86	$179,582.09	$0.00	$0.00	$0.00	$0.00	$179,582.09	$20,801,894.77
2A1	92990GAC7	$156,466,616.10	$1,198,445.20	$0.00	$0.00	$0.00	$0.00	$1,198,445.20	$155,268,170.90
2A2	92990GAD5	$129,425,698.09	$23,672.10	$0.00	$0.00	$0.00	$0.00	$23,672.10	$129,402,025.99
2A3	92990GAE3	$186,205,170.47	$46,172.06	$0.00	$0.00	$0.00	$0.00	$46,172.06	$186,158,998.41
2A4	92990GAF0	$120,838,585.88	$127,824.34	$0.00	$0.00	$0.00	$0.00	$127,824.34	$120,710,761.54
2A5	92990GAG8	$87,736,205.65	$39,363.65	$0.00	$0.00	$0.00	$0.00	$39,363.65	$87,696,842.00
2AB	92990GAH6	$28,362,430.10	$59,817.07	$0.00	$0.00	$0.00	$0.00	$59,817.07	$28,302,613.03
2AB1	XXXXXXXXX	$6,520,162.84	$49,940.74	$0.00	$0.00	$0.00	$0.00	$49,940.74	$6,470,222.10

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Certificate Payment Report - Principal (Continued)
Class	CUSIP	Beginning Principal/Notional Balance	Principal Distribution	Principal Loss	Principal Reimbursed	Subsequent Recoveries	Deferred Interest	Total Principal Distribution	Ending Principal/Notional Balance
2AB2	XXXXXXXXX	$5,392,900.79	$986.37	$0.00	$0.00	$0.00	$0.00	$986.37	$5,391,914.42
2AB3	XXXXXXXXX	$7,759,189.76	$1,923.99	$0.00	$0.00	$0.00	$0.00	$1,923.99	$7,757,265.77
2AB4	XXXXXXXXX	$5,034,941.07	$5,326.01	$0.00	$0.00	$0.00	$0.00	$5,326.01	$5,029,615.06
2AB5	XXXXXXXXX	$3,655,235.64	$1,639.95	$0.00	$0.00	$0.00	$0.00	$1,639.95	$3,653,595.69
3A1	92990GAJ2	$303,049,425.72	$4,212,038.56	$0.00	$0.00	$0.00	$0.00	$4,212,038.56	$298,837,387.16
3A2	92990GAK9	$36,692,529.46	$509,983.97	$0.00	$0.00	$0.00	$0.00	$509,983.97	$36,182,545.49
1B1	92990GAL7	$10,233,235.79	$311.51	$0.00	$0.00	$0.00	$0.00	$311.51	$10,232,924.28
1B2	92990GAM5	$4,742,182.44	$144.36	$0.00	$0.00	$0.00	$0.00	$144.36	$4,742,038.08
1B3	92990GAN3	$2,745,526.66	$83.58	$0.00	$0.00	$0.00	$0.00	$83.58	$2,745,443.08
1B4	92990GAW3	$2,495,569.76	$75.97	$0.00	$0.00	$0.00	$0.00	$75.97	$2,495,493.79
1B5	92990GAX1	$1,996,655.77	$60.78	$0.00	$0.00	$0.00	$0.00	$60.78	$1,996,594.99
1B6	92990GAY9	$1,497,847.52	$45.58	$0.02	$0.00	$0.00	$0.00	$45.58	$1,497,801.92
2B1	92990GAP8	$13,452,393.71	$454.96	$0.00	$0.00	$0.00	$0.00	$454.96	$13,451,938.75

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Certificate Payment Report - Principal (Continued)
Class	CUSIP	Beginning Principal/Notional Balance	Principal Distribution	Principal Loss	Principal Reimbursed	Subsequent Recoveries	Deferred Interest	Total Principal Distribution	Ending Principal/Notional Balance
2B2	92990GAQ6	$6,531,734.53	$220.90	$0.00	$0.00	$0.00	$0.00	$220.90	$6,531,513.63
2B3	92990GAR4	$3,074,404.36	$103.98	$0.00	$0.00	$0.00	$0.00	$103.98	$3,074,300.38
2B4	92990GAZ6	$3,458,329.99	$116.96	$0.00	$0.00	$0.00	$0.00	$116.96	$3,458,213.03
2B5	92990GBA0	$2,689,478.93	$90.96	$0.00	$0.00	$0.00	$0.00	$90.96	$2,689,387.97
2B6	92990GBB8	$1,537,977.45	$51.88	$0.13	$0.00	$0.00	$0.00	$51.88	$1,537,925.45
3B1	92990GAS2	$5,520,886.47	$192.77	$0.00	$0.00	$0.00	$0.00	$192.77	$5,520,693.70
3B2	92990GAT0	$2,944,406.13	$102.81	$0.00	$0.00	$0.00	$0.00	$102.81	$2,944,303.32
3B3	92990GAU7	$1,471,703.17	$51.39	$0.00	$0.00	$0.00	$0.00	$51.39	$1,471,651.78
3B4	92990GBC6	$1,472,702.96	$51.42	$0.00	$0.00	$0.00	$0.00	$51.42	$1,472,651.54
3B5	92990GBD4	$1,103,777.39	$38.54	$0.00	$0.00	$0.00	$0.00	$38.54	$1,103,738.85
3B6	92990GBE2	$736,440.86	$25.71	$0.00	$0.00	$0.00	$0.00	$25.71	$736,415.15
R	92990GAV5	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00
R_SYN	XXXXXXXXX	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Certificate Payment Report - Principal (Continued)
Class	CUSIP	Beginning Principal/Notional Balance	Principal Distribution	Principal Loss	Principal Reimbursed	Subsequent Recoveries	Deferred Interest	Total Principal Distribution	Ending Principal/Notional Balance
TFEE	XXXXXXXXX	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00
Total *		$1,558,191,791.27	$10,000,170.16	$0.15	$0.00	$0.00	$0.00	$10,000,170.16	$1,548,191,620.97

*Total balances exclude notional balances.

Certificate Payment Report - Interest
Class	Beginning Principal/Notional Balance	Interest Rate Accrued	Interest Rate Paid	Interest Accrued	Prepayment Interest Shortfall	Relief Act Shortfall	Other Interest Shortfall	Unscheduled Interest	Interest Reimbursed	Carryforward Amount Paid	Total Interest Distributed	Total Carryforward Amount Remaining
1A1	$420,728,399.05	5.5410448929%	5.5410448929%	$1,942,729.12	$0.00	$0.00	$0.00	($0.18)	$0.00	$0.00	$1,942,728.94	$0.00
1A2	$20,981,476.86	5.5410448929%	5.5410448929%	$96,882.75	$0.00	$0.00	$0.00	($0.01)	$0.00	$0.00	$96,882.74	$0.00
2A1	$156,466,616.10	5.6737398764%	5.6737398764%	$739,792.40	$0.00	$0.00	$0.00	($0.07)	$0.00	$0.00	$739,792.33	$0.00
2A2	$129,425,698.09	5.3355220514%	5.3355220514%	$575,461.39	$0.00	$0.00	$0.00	($0.05)	$0.00	$0.00	$575,461.34	$0.00
2A3	$186,205,170.47	5.6574411441%	5.6574411441%	$877,870.66	$0.00	$0.00	$0.00	($0.08)	$0.00	$0.00	$877,870.58	$0.00
2A4	$120,838,585.88	5.8927496980%	5.8927496980%	$593,392.95	$0.00	$0.00	$0.00	($0.05)	$0.00	$0.00	$593,392.90	$0.00

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Certificate Payment Report - Interest (Continued)
Class	Beginning Principal/Notional Balance	Interest Rate Accrued	Interest Rate Paid	Interest Accrued	Prepayment Interest Shortfall	Relief Act Shortfall	Other Interest Shortfall	Unscheduled Interest	Interest Reimbursed	Carryforward Amount Paid	Total Interest Distributed	Total Carryforward Amount Remaining
2A5	$87,736,205.65	6.2430134468%	6.2430134468%	$456,448.59	$0.00	$0.00	$0.00	($0.04)	$0.00	$0.00	$456,448.55	$0.00
2AB	$28,362,430.10	5.7172160684%	5.7172160684%	$135,128.45	$0.00	$0.00	$0.00	($0.01)	$0.00	$0.00	$135,128.44	$0.00
2AB1	$6,520,162.84	5.6737398764%	5.6737398764%	$30,828.09	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$30,828.09	$0.00
2AB2	$5,392,900.79	5.3355220514%	5.3355220514%	$23,978.28	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$23,978.28	$0.00
2AB3	$7,759,189.76	5.6574411441%	5.6574411441%	$36,580.97	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$36,580.97	$0.00
2AB4	$5,034,941.07	5.8927496980%	5.8927496980%	$24,724.71	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$24,724.71	$0.00
2AB5	$3,655,235.64	6.2430134468%	6.2430134468%	$19,016.40	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$19,016.40	$0.00
3A1	$303,049,425.72	5.8222202717%	5.8222202717%	$1,470,350.42	$0.00	$0.00	$0.00	($0.14)	$0.00	$0.00	$1,470,350.28	$0.00
3A2	$36,692,529.46	5.8222202717%	5.8222202717%	$178,026.66	$0.00	$0.00	$0.00	($0.02)	$0.00	$0.00	$178,026.64	$0.00
1B1	$10,233,235.79	5.5410448929%	5.5410448929%	$47,252.35	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$47,252.35	$0.00
1B2	$4,742,182.44	5.5410448929%	5.5410448929%	$21,897.20	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$21,897.20	$0.00
1B3	$2,745,526.66	5.5410448929%	5.5410448929%	$12,677.57	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$12,677.57	$0.00
1B4	$2,495,569.76	5.5410448929%	5.5410448929%	$11,523.39	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$11,523.39	$0.00

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Certificate Payment Report - Interest (Continued)
Class	Beginning Principal/Notional Balance	Interest Rate Accrued	Interest Rate Paid	Interest Accrued	Prepayment Interest Shortfall	Relief Act Shortfall	Other Interest Shortfall	Unscheduled Interest	Interest Reimbursed	Carryforward Amount Paid	Total Interest Distributed	Total Carryforward Amount Remaining
1B5	$1,996,655.77	5.5410448929%	5.5410448929%	$9,219.63	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$9,219.63	$0.00
1B6	$1,497,847.52	5.5410448929%	5.5410448929%	$6,916.37	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$6,916.37	$0.00
2B1	$13,452,393.71	5.7194306742%	5.7194306742%	$64,116.69	$0.00	$0.00	$0.00	($0.01)	$0.00	$0.00	$64,116.68	$0.00
2B2	$6,531,734.53	5.7194306742%	5.7194306742%	$31,131.50	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$31,131.50	$0.00
2B3	$3,074,404.36	5.7194306742%	5.7194306742%	$14,653.20	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$14,653.20	$0.00
2B4	$3,458,329.99	5.7194306742%	5.7194306742%	$16,483.07	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$16,483.07	$0.00
2B5	$2,689,478.93	5.7194306742%	5.7194306742%	$12,818.57	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$12,818.57	$0.00
2B6	$1,537,977.45	5.7194306742%	5.7194306742%	$7,330.30	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$7,330.30	$0.00
3B1	$5,520,886.47	5.8222202717%	5.8222202717%	$26,786.51	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$26,786.51	$0.00
3B2	$2,944,406.13	5.8222202717%	5.8222202717%	$14,285.82	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$14,285.82	$0.00
3B3	$1,471,703.17	5.8222202717%	5.8222202717%	$7,140.48	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$7,140.48	$0.00
3B4	$1,472,702.96	5.8222202717%	5.8222202717%	$7,145.33	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$7,145.33	$0.00
3B5	$1,103,777.39	5.8222202717%	5.8222202717%	$5,355.36	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$5,355.36	$0.00

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Certificate Payment Report - Interest (Continued)
Class	Beginning Principal/Notional Balance	Interest Rate Accrued	Interest Rate Paid	Interest Accrued	Prepayment Interest Shortfall	Relief Act Shortfall	Other Interest Shortfall	Unscheduled Interest	Interest Reimbursed	Carryforward Amount Paid	Total Interest Distributed	Total Carryforward Amount Remaining
3B6	$736,440.86	5.8222202717%	5.8222202717%	$3,573.10	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$3,573.10	$0.00
R	$0.00	0.0000000000%	0.0000000000%	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.11	$0.00
R_SYN	$0.00	0.0000000000%	0.0000000000%	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00
TFEE	$0.00	0.0000000000%	0.0000000000%	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$493.43	$0.00
Total *	$1,558,191,791.27			$7,386,389.83	$0.00	$0.00	$0.00	($0.68)	$0.00	$0.00	$7,386,389.26	$0.00

*Total balances exclude notional balances.

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Principal Factors Report
Class	Original Scheduled Balance	Beginning Principal/Notional Balance	Principal Loss	Principal Reimbursed	Subsequent Recoveries	Deferred Interest	Total Principal	Ending Principal/Notional Balance Percent	Ending Principal/Notional Balance
1A1	$452,943,000.00	928.87714138	0.00000000	0.00000000	0.00000000	0.00000000	7.95033163	0.9209268098	920.92680975
1A2	$22,588,000.00	928.87714096	0.00000000	0.00000000	0.00000000	0.00000000	7.95033159	0.9209268094	920.92680937
2A1	$162,870,000.00	960.68407994	0.00000000	0.00000000	0.00000000	0.00000000	7.35829312	0.9533257868	953.32578682
2A2	$132,044,000.00	980.17098914	0.00000000	0.00000000	0.00000000	0.00000000	0.17927433	0.9799917148	979.99171481
2A3	$193,664,000.00	961.48571996	0.00000000	0.00000000	0.00000000	0.00000000	0.23841323	0.9612473067	961.24730673
2A4	$128,352,000.00	941.46243050	0.00000000	0.00000000	0.00000000	0.00000000	0.99588896	0.9404665415	940.46654154
2A5	$91,475,000.00	959.12769227	0.00000000	0.00000000	0.00000000	0.00000000	0.43032140	0.9586973709	958.69737087
2AB	$29,518,000.00	960.85202588	0.00000000	0.00000000	0.00000000	0.00000000	2.02646080	0.9588255651	958.82556508
2AB1	$6,787,000.00	960.68407839	0.00000000	0.00000000	0.00000000	0.00000000	7.35829380	0.9533257846	953.32578459
2AB2	$5,502,000.00	980.17099055	0.00000000	0.00000000	0.00000000	0.00000000	0.17927481	0.9799917157	979.99171574
2AB3	$8,070,000.00	961.48571995	0.00000000	0.00000000	0.00000000	0.00000000	0.23841264	0.9612473073	961.24730731

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Principal Factors Report (Continued)
Class	Original Scheduled Balance	Beginning Principal/Notional Balance	Principal Loss	Principal Reimbursed	Subsequent Recoveries	Deferred Interest	Total Principal	Ending Principal/Notional Balance Percent	Ending Principal/Notional Balance
2AB4	$5,348,000.00	941.46242895	0.00000000	0.00000000	0.00000000	0.00000000	0.99588818	0.9404665408	940.46654076
2AB5	$3,811,000.00	959.12769352	0.00000000	0.00000000	0.00000000	0.00000000	0.43032013	0.9586973734	958.69737339
3A1	$316,524,000.00	957.42953368	0.00000000	0.00000000	0.00000000	0.00000000	13.30716963	0.9441223641	944.12236405
3A2	$38,324,000.00	957.42953397	0.00000000	0.00000000	0.00000000	0.00000000	13.30716966	0.9441223643	944.12236431
1B1	$10,235,000.00	999.82762970	0.00000000	0.00000000	0.00000000	0.00000000	0.03043576	0.9997971939	999.79719394
1B2	$4,743,000.00	999.82762808	0.00000000	0.00000000	0.00000000	0.00000000	0.03043643	0.9997971917	999.79719165
1B3	$2,746,000.00	999.82762564	0.00000000	0.00000000	0.00000000	0.00000000	0.03043700	0.9997971886	999.79718864
1B4	$2,496,000.00	999.82762821	0.00000000	0.00000000	0.00000000	0.00000000	0.03043670	0.9997971915	999.79719151
1B5	$1,997,000.00	999.82762644	0.00000000	0.00000000	0.00000000	0.00000000	0.03043565	0.9997971908	999.79719079
1B6	$1,498,105.74	999.82763566	0.00001335	0.00000000	0.00000000	0.00000000	0.03042509	0.9997971972	999.79719723
2B1	$13,455,000.00	999.80629580	0.00000000	0.00000000	0.00000000	0.00000000	0.03381345	0.9997724823	999.77248235
2B2	$6,533,000.00	999.80629573	0.00000000	0.00000000	0.00000000	0.00000000	0.03381295	0.9997724828	999.77248278
2B3	$3,075,000.00	999.80629593	0.00000000	0.00000000	0.00000000	0.00000000	0.03381463	0.9997724813	999.77248130

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Principal Factors Report (Continued)
Class	Original Scheduled Balance	Beginning Principal/Notional Balance	Principal Loss	Principal Reimbursed	Subsequent Recoveries	Deferred Interest	Total Principal	Ending Principal/Notional Balance Percent	Ending Principal/Notional Balance
2B4	$3,459,000.00	999.80629951	0.00000000	0.00000000	0.00000000	0.00000000	0.03381324	0.9997724863	999.77248627
2B5	$2,690,000.00	999.80629368	0.00000000	0.00000000	0.00000000	0.00000000	0.03381413	0.9997724796	999.77247955
2B6	$1,538,275.43	999.80628957	0.00008451	0.00000000	0.00000000	0.00000000	0.03372608	0.9997724855	999.77248548
3B1	$5,522,000.00	999.79834661	0.00000000	0.00000000	0.00000000	0.00000000	0.03490945	0.9997634372	999.76343716
3B2	$2,945,000.00	999.79834635	0.00000000	0.00000000	0.00000000	0.00000000	0.03491002	0.9997634363	999.76343633
3B3	$1,472,000.00	999.79834918	0.00000000	0.00000000	0.00000000	0.00000000	0.03491168	0.9997634375	999.76343750
3B4	$1,473,000.00	999.79834352	0.00000000	0.00000000	0.00000000	0.00000000	0.03490835	0.9997634352	999.76343517
3B5	$1,104,000.00	999.79836051	0.00000000	0.00000000	0.00000000	0.00000000	0.03490942	0.9997634511	999.76345109
3B6	$736,589.44	999.79828655	0.00000000	0.00000000	0.00000000	0.00000000	0.03490411	0.9997633824	999.76338243
R	$100.00	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.0000000000	0.00000000
R_SYN	$0.00	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.0000000000	0.00000000
TFEE	$0.00	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.0000000000	0.00000000

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Interest Factors Report
Class	Original Balance	Interest Rate Accrued	Interest Rate Paid	Current Month Interest Accrued	Prepayment Interest Shortfall	Relief Act Interest Shortfall	Other Interest Shortfall	Unscheduled Interest	Interest Reimbursed	Carryforward Amount Paid	Deferred Interest	Total Interest Distribution	Total Carryforward Amount Remaining
1A1	$452,943,000.00	5.5410448929%	5.5410448929%	4.28912495	0.00000000	0.00000000	0.00000000	-0.00000040	0.00000000	0.00000000	0.00000000	4.28912455	0.00000000
1A2	$22,588,000.00	5.5410448929%	5.5410448929%	4.28912476	0.00000000	0.00000000	0.00000000	-0.00000044	0.00000000	0.00000000	0.00000000	4.28912431	0.00000000
2A1	$162,870,000.00	5.6737398764%	5.6737398764%	4.54222632	0.00000000	0.00000000	0.00000000	-0.00000043	0.00000000	0.00000000	0.00000000	4.54222589	0.00000000
2A2	$132,044,000.00	5.3355220514%	5.3355220514%	4.35810328	0.00000000	0.00000000	0.00000000	-0.00000038	0.00000000	0.00000000	0.00000000	4.35810291	0.00000000
2A3	$193,664,000.00	5.6574411441%	5.6574411441%	4.53295739	0.00000000	0.00000000	0.00000000	-0.00000041	0.00000000	0.00000000	0.00000000	4.53295698	0.00000000
2A4	$128,352,000.00	5.8927496980%	5.8927496980%	4.62316871	0.00000000	0.00000000	0.00000000	-0.00000039	0.00000000	0.00000000	0.00000000	4.62316832	0.00000000
2A5	$91,475,000.00	6.2430134468%	6.2430134468%	4.98987253	0.00000000	0.00000000	0.00000000	-0.00000044	0.00000000	0.00000000	0.00000000	4.98987210	0.00000000
2AB	$29,518,000.00	5.7172160684%	5.7172160684%	4.57783217	0.00000000	0.00000000	0.00000000	-0.00000034	0.00000000	0.00000000	0.00000000	4.57783183	0.00000000
2AB1	$6,787,000.00	5.6737398764%	5.6737398764%	4.54222632	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	4.54222632	0.00000000
2AB2	$5,502,000.00	5.3355220514%	5.3355220514%	4.35810251	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	4.35810251	0.00000000
2AB3	$8,070,000.00	5.6574411441%	5.6574411441%	4.53295787	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	4.53295787	0.00000000

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Interest Factors Report (Continued)
Class	Original Balance	Interest Rate Accrued	Interest Rate Paid	Current Month Interest Accrued	Prepayment Interest Shortfall	Relief Act Interest Shortfall	Other Interest Shortfall	Unscheduled Interest	Interest Reimbursed	Carryforward Amount Paid	Deferred Interest	Total Interest Distribution	Total Carryforward Amount Remaining
2AB4	$5,348,000.00	5.8927496980%	5.8927496980%	4.62316941	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	4.62316941	0.00000000
2AB5	$3,811,000.00	6.2430134468%	6.2430134468%	4.98987142	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	4.98987142	0.00000000
3A1	$316,524,000.00	5.8222202717%	5.8222202717%	4.64530468	0.00000000	0.00000000	0.00000000	-0.00000044	0.00000000	0.00000000	0.00000000	4.64530424	0.00000000
3A2	$38,324,000.00	5.8222202717%	5.8222202717%	4.64530477	0.00000000	0.00000000	0.00000000	-0.00000052	0.00000000	0.00000000	0.00000000	4.64530425	0.00000000
1B1	$10,235,000.00	5.5410448929%	5.5410448929%	4.61674157	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	4.61674157	0.00000000
1B2	$4,743,000.00	5.5410448929%	5.5410448929%	4.61674046	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	4.61674046	0.00000000
1B3	$2,746,000.00	5.5410448929%	5.5410448929%	4.61674071	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	4.61674071	0.00000000
1B4	$2,496,000.00	5.5410448929%	5.5410448929%	4.61674279	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	4.61674279	0.00000000
1B5	$1,997,000.00	5.5410448929%	5.5410448929%	4.61674011	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	4.61674011	0.00000000
1B6	$1,498,105.74	5.5410448929%	5.5410448929%	4.61674354	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	4.61674354	0.00000000
2B1	$13,455,000.00	5.7194306742%	5.7194306742%	4.76526867	0.00000000	0.00000000	0.00000000	-0.00000074	0.00000000	0.00000000	0.00000000	4.76526793	0.00000000
2B2	$6,533,000.00	5.7194306742%	5.7194306742%	4.76526864	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	4.76526864	0.00000000
2B3	$3,075,000.00	5.7194306742%	5.7194306742%	4.76526829	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	4.76526829	0.00000000

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Interest Factors Report (Continued)
Class	Original Balance	Interest Rate Accrued	Interest Rate Paid	Current Month Interest Accrued	Prepayment Interest Shortfall	Relief Act Interest Shortfall	Other Interest Shortfall	Unscheduled Interest	Interest Reimbursed	Carryforward Amount Paid	Deferred Interest	Total Interest Distribution	Total Carryforward Amount Remaining
2B4	$3,459,000.00	5.7194306742%	5.7194306742%	4.76527031	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	4.76527031	0.00000000
2B5	$2,690,000.00	5.7194306742%	5.7194306742%	4.76526766	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	4.76526766	0.00000000
2B6	$1,538,275.43	5.7194306742%	5.7194306742%	4.76527146	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	4.76527146	0.00000000
3B1	$5,522,000.00	5.8222202717%	5.8222202717%	4.85087106	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	4.85087106	0.00000000
3B2	$2,945,000.00	5.8222202717%	5.8222202717%	4.85087267	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	4.85087267	0.00000000
3B3	$1,472,000.00	5.8222202717%	5.8222202717%	4.85086957	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	4.85086957	0.00000000
3B4	$1,473,000.00	5.8222202717%	5.8222202717%	4.85086897	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	4.85086897	0.00000000
3B5	$1,104,000.00	5.8222202717%	5.8222202717%	4.85086957	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	4.85086957	0.00000000
3B6	$736,589.44	5.8222202717%	5.8222202717%	4.85087052	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	4.85087052	0.00000000
R	$100.00	0.0000000000%	0.0000000000%	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	1.10000000	0.00000000
R_SYN	$0.00	0.0000000000%	0.0000000000%	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000
TFEE	$0.00	0.0000000000%	0.0000000000%	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Collateral Report Group 1
LOAN COUNT
Original Loan Count	609
Beginning Loan Count	578
Loans Added	0
Loans Prepaid-in-full	4
Loans Liquidated-in-full	0
Loans Repurchased	0
Ending Loan Count	574
PRINCIPAL BALANCE
Original Scheduled Principal Balance	$499,246,205.74
Beginning Scheduled Principal Balance	$465,420,893.85
Scheduled Principal Received or Advanced	$14,168.10
Unscheduled Principal	$75,476.63
Prepayments-in-full	$3,691,706.22

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Collateral Report Group 1 (Continued)
PRINCIPAL BALANCE
Liquidations-in-full	$0.00
Repurchases	$0.00
Principal Losses	$0.00
Ending Scheduled Principal Balance	$461,639,542.90
INTEREST
Accrued Interest at Gross Rate	$2,430,290.35
Unscheduled Interest	($0.25)
Uncollected Interest	($1,916.75)
Relief Act Shortfall	$0.00
Prepayment Interest Shortfall	$0.00
Other Interest Shortfall	$0.00

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Collateral Report Group 1 (Continued)
FEES
Servicing Fees	$281,191.98
Other Fees	$0.00
ADDITIONAL FUNDS
Excess Liquidation Proceeds	$0.00
Subsequent Recoveries	$0.00
Prepayment Penalties	$0.00
Other	$0.00

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Collateral Report Group 2A1
LOAN COUNT
Original Loan Count	215
Beginning Loan Count	208
Loans Added	0
Loans Prepaid-in-full	1
Loans Liquidated-in-full	0
Loans Repurchased	0
Ending Loan Count	207
PRINCIPAL BALANCE
Original Scheduled Principal Balance	$176,726,846.61
Beginning Scheduled Principal Balance	$170,055,925.55
Scheduled Principal Received or Advanced	$2,926.50
Unscheduled Principal	$713,581.09
Prepayments-in-full	$532,000.00

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Collateral Report Group 2A1 (Continued)
PRINCIPAL BALANCE
Liquidations-in-full	$0.00
Repurchases	$0.00
Principal Losses	$0.00
Ending Scheduled Principal Balance	$168,807,417.96
INTEREST
Accrued Interest at Gross Rate	$885,529.45
Unscheduled Interest	($0.05)
Uncollected Interest	$0.00
Relief Act Shortfall	$0.00
Prepayment Interest Shortfall	$0.00
Other Interest Shortfall	$0.00

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Collateral Report Group 2A1 (Continued)
FEES
Servicing Fees	$81,485.23
Other Fees	$0.00
ADDITIONAL FUNDS
Excess Liquidation Proceeds	$0.00
Subsequent Recoveries	$0.00
Prepayment Penalties	$0.00
Other	$0.00

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Collateral Report Group 2A2
LOAN COUNT
Original Loan Count	175
Beginning Loan Count	174
Loans Added	0
Loans Prepaid-in-full	0
Loans Liquidated-in-full	0
Loans Repurchased	0
Ending Loan Count	174
PRINCIPAL BALANCE
Original Scheduled Principal Balance	$143,277,837.79
Beginning Scheduled Principal Balance	$140,549,929.88
Scheduled Principal Received or Advanced	$2,181.82
Unscheduled Principal	$22,565.62
Prepayments-in-full	$0.00

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Collateral Report Group 2A2 (Continued)
PRINCIPAL BALANCE
Liquidations-in-full	$0.00
Repurchases	$0.00
Principal Losses	$0.00
Ending Scheduled Principal Balance	$140,525,182.44
INTEREST
Accrued Interest at Gross Rate	$686,413.38
Unscheduled Interest	($0.14)
Uncollected Interest	$0.00
Relief Act Shortfall	$0.00
Prepayment Interest Shortfall	$0.00
Other Interest Shortfall	$0.00

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Collateral Report Group 2A2 (Continued)
FEES
Servicing Fees	$61,490.68
Other Fees	$0.00
ADDITIONAL FUNDS
Excess Liquidation Proceeds	$0.00
Subsequent Recoveries	$0.00
Prepayment Penalties	$0.00
Other	$0.00

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Collateral Report Group 2A3
LOAN COUNT
Original Loan Count	236
Beginning Loan Count	233
Loans Added	0
Loans Prepaid-in-full	0
Loans Liquidated-in-full	0
Loans Repurchased	0
Ending Loan Count	233
PRINCIPAL BALANCE
Original Scheduled Principal Balance	$210,140,228.29
Beginning Scheduled Principal Balance	$202,367,851.51
Scheduled Principal Received or Advanced	$11,418.54
Unscheduled Principal	$37,151.68
Prepayments-in-full	$0.00

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Collateral Report Group 2A3 (Continued)
PRINCIPAL BALANCE
Liquidations-in-full	$0.00
Repurchases	$0.00
Principal Losses	$0.00
Ending Scheduled Principal Balance	$202,319,281.29
INTEREST
Accrued Interest at Gross Rate	$1,042,606.26
Unscheduled Interest	$0.01
Uncollected Interest	$0.00
Relief Act Shortfall	$0.00
Prepayment Interest Shortfall	$0.00
Other Interest Shortfall	$0.00

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Collateral Report Group 2A3 (Continued)
FEES
Servicing Fees	$88,536.07
Other Fees	$0.00
ADDITIONAL FUNDS
Excess Liquidation Proceeds	$0.00
Subsequent Recoveries	$0.00
Prepayment Penalties	$0.00
Other	$0.00

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Collateral Report Group 2A4
LOAN COUNT
Original Loan Count	178
Beginning Loan Count	169
Loans Added	0
Loans Prepaid-in-full	0
Loans Liquidated-in-full	0
Loans Repurchased	0
Ending Loan Count	169
PRINCIPAL BALANCE
Original Scheduled Principal Balance	$139,271,488.11
Beginning Scheduled Principal Balance	$131,443,421.47
Scheduled Principal Received or Advanced	$6,661.35
Unscheduled Principal	$126,771.28
Prepayments-in-full	$0.00

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Collateral Report Group 2A4 (Continued)
PRINCIPAL BALANCE
Liquidations-in-full	$0.00
Repurchases	$0.00
Principal Losses	$0.00
Ending Scheduled Principal Balance	$131,309,988.84
INTEREST
Accrued Interest at Gross Rate	$702,975.81
Unscheduled Interest	($0.13)
Uncollected Interest	$0.00
Relief Act Shortfall	$0.00
Prepayment Interest Shortfall	$0.00
Other Interest Shortfall	$0.00

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Collateral Report Group 2A4 (Continued)
FEES
Servicing Fees	$57,506.56
Other Fees	$0.00
ADDITIONAL FUNDS
Excess Liquidation Proceeds	$0.00
Subsequent Recoveries	$0.00
Prepayment Penalties	$0.00
Other	$0.00

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Collateral Report Group 2A5
LOAN COUNT
Original Loan Count	134
Beginning Loan Count	129
Loans Added	0
Loans Prepaid-in-full	0
Loans Liquidated-in-full	0
Loans Repurchased	0
Ending Loan Count	129
PRINCIPAL BALANCE
Original Scheduled Principal Balance	$99,256,874.63
Beginning Scheduled Principal Balance	$95,361,896.86
Scheduled Principal Received or Advanced	$1,746.16
Unscheduled Principal	$39,330.15
Prepayments-in-full	$0.00

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Collateral Report Group 2A5 (Continued)
PRINCIPAL BALANCE
Liquidations-in-full	$0.00
Repurchases	$0.00
Principal Losses	$0.00
Ending Scheduled Principal Balance	$95,320,820.55
INTEREST
Accrued Interest at Gross Rate	$537,842.21
Unscheduled Interest	($0.05)
Uncollected Interest	$0.00
Relief Act Shortfall	$0.00
Prepayment Interest Shortfall	$0.00
Other Interest Shortfall	$0.00

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Collateral Report Group 2A5 (Continued)
FEES
Servicing Fees	$41,720.93
Other Fees	$0.00
ADDITIONAL FUNDS
Excess Liquidation Proceeds	$0.00
Subsequent Recoveries	$0.00
Prepayment Penalties	$0.00
Other	$0.00

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Collateral Report Group 3
LOAN COUNT
Original Loan Count	418
Beginning Loan Count	410
Loans Added	0
Loans Prepaid-in-full	2
Loans Liquidated-in-full	0
Loans Repurchased	0
Ending Loan Count	408
PRINCIPAL BALANCE
Original Scheduled Principal Balance	$368,100,589.44
Beginning Scheduled Principal Balance	$352,991,872.18
Scheduled Principal Received or Advanced	$12,325.10
Unscheduled Principal	$2,052,660.07
Prepayments-in-full	$2,657,500.00

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Collateral Report Group 3 (Continued)
PRINCIPAL BALANCE
Liquidations-in-full	$0.00
Repurchases	$0.00
Principal Losses	$0.00
Ending Scheduled Principal Balance	$348,269,387.01
INTEREST
Accrued Interest at Gross Rate	$1,815,619.90
Unscheduled Interest	($0.07)
Uncollected Interest	($1,423.75)
Relief Act Shortfall	$0.00
Prepayment Interest Shortfall	$0.00
Other Interest Shortfall	$0.00

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Collateral Report Group 3 (Continued)
FEES
Servicing Fees	$102,956.10
Other Fees	$0.00
ADDITIONAL FUNDS
Excess Liquidation Proceeds	$0.00
Subsequent Recoveries	$0.00
Prepayment Penalties	$0.00
Other	$0.00

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Collateral Report Total
LOAN COUNT
Original Loan Count	1965
Beginning Loan Count	1901
Loans Added	0
Loans Prepaid-in-full	7
Loans Liquidated-in-full	0
Loans Repurchased	0
Ending Loan Count	1894
PRINCIPAL BALANCE
Original Scheduled Principal Balance	$1,636,020,070.61
Beginning Scheduled Principal Balance	$1,558,191,791.30
Scheduled Principal Received or Advanced	$51,427.57
Unscheduled Principal	$3,067,536.52
Prepayments-in-full	$6,881,206.22

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Collateral Report Total (Continued)
PRINCIPAL BALANCE
Liquidations-in-full	$0.00
Repurchases	$0.00
Principal Losses	$0.00
Ending Scheduled Principal Balance	$1,548,191,620.99
INTEREST
Accrued Interest at Gross Rate	$8,101,277.36
Unscheduled Interest	($0.68)
Uncollected Interest	($3,340.50)
Relief Act Shortfall	$0.00
Prepayment Interest Shortfall	$0.00
Other Interest Shortfall	$0.00

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Collateral Report Total (Continued)
FEES
Servicing Fees	$714,887.55
Other Fees	$0.00
ADDITIONAL FUNDS
Excess Liquidation Proceeds	$0.00
Subsequent Recoveries	$0.00
Prepayment Penalties	$0.00
Other	$0.00

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Delinquency Information by Group*
Group ID	1 Month Count	Scheduled Ending Balance	2 Months Count	Scheduled Ending Balance	3 Months Count	Scheduled Ending Balance	4+ Months Count	Scheduled Ending Balance
Group 1	16	$12,176,324.84	3	$1,906,464.79	0	$0.00	0	$0.00
Group 2A1	1	$1,012,000.00	0	$0.00	0	$0.00	0	$0.00
Group 2A2	0	$0.00	0	$0.00	0	$0.00	0	$0.00
Group 2A3	0	$0.00	0	$0.00	0	$0.00	0	$0.00
Group 2A4	1	$704,000.00	0	$0.00	0	$0.00	0	$0.00
Group 2A5	4	$2,760,000.00	1	$699,000.00	0	$0.00	0	$0.00
Group 3	3	$4,047,343.42	1	$1,085,000.00	0	$0.00	0	$0.00
Aggregate	25	$20,699,668.26	5	$3,690,464.79	0	$0.00	0	$0.00

* Does not include mortgage loans in foreclosure or REO.

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Foreclosure, REO, and Bankruptcy by Group**
Group ID	Foreclosure Count	Scheduled Ending Balance	REO Count	Scheduled Ending Balance	Bankruptcy Count	Scheduled Ending Balance
Group 1	4	$4,203,314.82	0	$0.00	0	$0.00
Group 2A1	2	$1,147,567.43	0	$0.00	0	$0.00
Group 2A2	0	$0.00	0	$0.00	0	$0.00
Group 2A3	0	$0.00	0	$0.00	0	$0.00
Group 2A4	0	$0.00	0	$0.00	0	$0.00
Group 2A5	1	$576,000.00	0	$0.00	0	$0.00
Group 3	2	$1,248,000.00	0	$0.00	0	$0.00
Aggregate	9	$7,174,882.25	0	$0.00	0	$0.00

** Loans in Bankruptcy will also be reflected under their applicable delinquency or foreclosure status.

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Aggregate Loss Amount by Group
Group ID	Count	Loss Amount
Group 1	0	$0.00
Group 2A1	0	$0.00
Group 2A2	0	$0.00
Group 2A3	0	$0.00
Group 2A4	0	$0.00
Group 2A5	0	$0.00
Group 3	0	$0.00
Aggregate	0	$0.00

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Servicer Advances by Group
Group	Count	Total
Group 1	499	$2,022,336.02
Group 2A1	183	$738,429.05
Group 2A2	157	$560,086.11
Group 2A3	190	$739,079.62
Group 2A4	144	$555,714.26
Group 2A5	116	$496,893.98
Group 3	343	$1,443,218.41
Aggregate	1632	$6,555,757.45

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Stop Advances Loans
Group	Count	Loan Balance	Total Scheduled P&I
Group 1	0	$0.00	$0.00
Group 2A1	0	$0.00	$0.00
Group 2A2	0	$0.00	$0.00
Group 2A3	0	$0.00	$0.00
Group 2A4	0	$0.00	$0.00
Group 2A5	0	$0.00	$0.00
Group 3	0	$0.00	$0.00
Aggregate	0	$0.00	$0.00

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Delinquency Roll Rates-Aggregate***
Current Value	Current		1 Month		2 Months		3 Months
Prior Value	Count	Balance	Count	Balance	Count	Balance	Count	Balance
Current	1840	$1,504,471,951.76	20	$16,929,168.26	1	$1,085,000.00	0	$0.00
Delq 1 Month	15	$12,154,653.93	5	$3,770,500.00	4	$2,605,464.79	0	$0.00
Delq 2 Month	0	$0.00	0	$0.00	0	$0.00	0	$0.00
Delq 3 Month	0	$0.00	0	$0.00	0	$0.00	0	$0.00
Delq 4 Month	0	$0.00	0	$0.00	0	$0.00	0	$0.00
Foreclosure	0	$0.00	0	$0.00	0	$0.00	0	$0.00

Current Value	4+ Months		Foreclosure		REO
Prior Value	Count	Balance	Count	Balance	Count	Balance
Current	0	$0.00	0	$0.00	0	$0.00
Delq 1 Month	0	$0.00	0	$0.00	0	$0.00
Delq 2 Month	0	$0.00	2	$1,344,282.25	0	$0.00
Delq 3 Month	0	$0.00	1	$676,000.00	0	$0.00
Delq 4 Month	0	$0.00	0	$0.00	0	$0.00
Foreclosure	0	$0.00	6	$5,154,600.00	0	$0.00

*** To use this chart, locate along the Current Value row the desired delinquency status as of the immediately preceding due date (e.g. Current, 1 Month delinquent, etc.). Use the left hand column labeled Prior Value to see the prior month's value. Follow the selected Current Value column to the desired Prior Value row.

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Credit Enhancement
Type	Original Balance	Beginning Balance	Reduction	Increase	Ending Balance
Over Collateralization	$0.00	$0.00	$0.00	$0.00	$0.00
Reserve Account	$0.00	$0.00	$0.00	$0.00	$0.00
Other	$0.00	$0.00	$0.00	$0.00	$0.00

Insurance
Insurance Type	Original Balance	Claims Paid	Coverage Remaining
Pool Insurance	$0.00	$0.00	$0.00
Other	$0.00	$0.00	$0.00

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Subordinate Class Certificate Balances
The Class Principal Balances of each Class of the Class 3B1,3B2,3B3,3B4,3B5,3B6 Certificates immediately after the principal and interest distribution on 11/26/2007 are as follows:
Class	Ending Principal Balance	Percentage of Aggregate Certificate Principal Balance on Closing Date	Percentage of Aggregate Certificate Ending Principal Balance
3B1	$5,520,693.70	0.34%	0.36%
3B2	$2,944,303.32	0.18%	0.19%
3B3	$1,471,651.78	0.09%	0.10%
3B4	$1,472,651.54	0.09%	0.10%
3B5	$1,103,738.85	0.07%	0.07%
3B6	$736,415.15	0.05%	0.05%
Total	$13,249,454.34	0.81%	0.86%

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Subordinate Class Certificate Balances
The Class Principal Balances of each Class of the Class 2B1,2B2,2B3,2B4,2B5,2B6 Certificates immediately after the principal and interest distribution on 11/26/2007 are as follows:
Class	Ending Principal Balance	Percentage of Aggregate Certificate Principal Balance on Closing Date	Percentage of Aggregate Certificate Ending Principal Balance
2B1	$13,451,938.75	0.82%	0.87%
2B2	$6,531,513.63	0.40%	0.42%
2B3	$3,074,300.38	0.19%	0.20%
2B4	$3,458,213.03	0.21%	0.22%
2B5	$2,689,387.97	0.16%	0.17%
2B6	$1,537,925.45	0.09%	0.10%
Total	$30,743,279.21	1.88%	1.99%

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Subordinate Class Certificate Balances
The Class Principal Balances of each Class of the Class 1B1,1B2,1B3,1B4,1B5,1B6 Certificates immediately after the principal and interest distribution on 11/26/2007 are as follows:
Class	Ending Principal Balance	Percentage of Aggregate Certificate Principal Balance on Closing Date	Percentage of Aggregate Certificate Ending Principal Balance
1B1	$10,232,924.28	0.63%	0.66%
1B2	$4,742,038.08	0.29%	0.31%
1B3	$2,745,443.08	0.17%	0.18%
1B4	$2,495,493.79	0.15%	0.16%
1B5	$1,996,594.99	0.12%	0.13%
1B6	$1,497,801.92	0.09%	0.10%
Total	$23,710,296.14	1.45%	1.53%

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Glossary of Terms
TERM	DEFINITION
Average Ending Scheduled Principal Balance	Average scheduled principal balance of all mortgage loans as of the immediately preceding due date.
Compensating Interest	Interest paid by the servicer or master servicer in respect of Prepayment Interest Shortfall, subject to specified caps.
CPR (Constant Prepayment Rate)	The annualized, compounded single month mortality rate.
Current Interest Accrued	The interest accrued for the current month's distribution.
Deferred Interest	When a scheduled monthly payment is less than required to satisfy the note rate, the unpaid interest is deferred by adding it to the loan balance and the certificate balances.
Excess Liquidation Proceeds	Funds received at the time of liquidation in excess of the amount needed to satisfy the outstanding scheduled principal balance and related expenses.
Interest Rate Accrued	The rate at which interest is accrued for the current month's distribution.
Interest Rate Paid	The rate at which interest is paid for the current month's distribution.
Uncollected Interest	Interest not collected on delinquent loans for which scheduled payments are no longer being advanced, interest uncollected on prepayments and interest uncollected on liquidations.
Other Interest Shortfall	Any interest shortfall other than Uncompensated Interest Shortfall, Deferred Interest or Interest Uncollected on Non-Earning Assets.
Over Collateralization	Any excess of the aggregate principal balance of the mortgage loans over the aggregate principal balance of the certificates.
Prefunding Amount	The amount of cash being held for future loan purchases.

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Glossary of Terms (Continued)
TERM	DEFINITION
Prepayment Interest Shortfall	Any shortfall in collections of interest on mortgage loans resulting from prepayments in full or partial prepayments.
Principal Loss	The amount of principal reduction due to a loss realized on the mortgage loans.
Principal Reimbursed	The amount of principal passed through as a reimbursement.
PSA (Prepayment Speed Assumption)	A prepayment model that in its base case (stated as 100% PSA), assumes that prepayments start in month one at an annual CPR of 0.2%, rising linearly to 6.0% CPR in month 30, and then remain flat at 6.0% CPR thereafter.
Relief Act Shortfall	Interest shortfall resulting from application of the Servicemembers Civil Relief Act.
REO (Real Estate Owned)	Property acquired by the trust through foreclosure or deed-in-lieu of foreclosure on a defaulted loan.
Reserve Account	Funded or non-funded accounts set up at either the property or portfolio level in in anticipation of periodic or non-periodic capital expenditures or cash needs.
Servicer Advances	Scheduled principal and interest advances made by the servicer or master servicer for delinquent mortgage loans.
Servicing Fees	The monthly fee paid to the servicer to perform primary servicing function for the master servicer with respect to the mortgage loans and if applicable the fee charged by the master servicer for supervising the mortgage loan servicing.
SMM (Single Month Mortality)	In any given month, the SMM measures the percentage of the beginning pool balance that was paid back earlier than scheduled through payoffs.
Stop Advance	The amount of principal and interest on delinquent mortgage loans for which scheduled payments are no longer being advanced.
Subsequent Recoveries	The amount of funds recovered on mortgage loans that were previously liquidated at a loss.
Trigger Event	An event that may require a change in payment priority.

Series: WAMU 2007-HY5	Washington Mutual
Issue Date: 04/25/2007
Record Date: 10/31/2007
Distribution Date: 11/26/2007

Glossary of Terms (Continued)
TERM	DEFINITION
Unscheduled Interest	Interested collected in addition to the scheduled interest payment.
Unscheduled Principal	Payments of principal which were received with respect to any mortgage loan during the prior period, other than monthly scheduled principal, prepayments in full, repurchases, liquidation principal and subsequent recoveries.
Weighted Average Loan Age	For any distribution date, the weighted average of the loan age on the mortgage loans as of the immediately preceding due date.
Weighted Average Mortgage Interest Rate	For any distribution date, the weighted average of the mortgage interest rates on the mortgage loans as of the second preceding due date (after giving effect to the payments due on the mortgage loans on that due date).
Weighted Average Pass Through Rate	For any distribution date, the weighted average of the pass-through rates on the mortgage loans as of the second preceding due date (after giving effect to the payments due on the mortgage loans on that due date).
Weighted Average Remaining Term	For any distribution date, the weighted average of the maturity on the mortgage loans as of the immediately preceding due date.
MBA Delinquency Calculation	In this calculation, a loan increases its delinquency status if a monthly payment is not received by the end of the day immediately preceding the loan's next due date.
OTS Delinquency Calculation	In this calculation, a loan increases its delinquency status if a monthly payment is not received by the loan's due date in the following month.

WaMu Mortgage Pass-Through Certificates, Series 2007-HY5 10-D