IndyMac Residential Asset Securitization Trust 2007-A5

Mortgage Pass-Through Certificates

December 26, 2007 Distribution

External Parties

Table of Contents

Page

Seller

1. Certificate Payment Report

IndyMac Bank, F.S.B.

2. Collection Account Report

3. Credit Enhancement Report

Servicer(s)

4. Collateral Report

IndyMac Bank, F.S.B.

5. Delinquency Report

6. REO Report

Underwriter(s)

7. Foreclosure Report

Citigroup

8. Prepayment Report

UBS Securities

9. Prepayment Detail Report

10. Realized Loss Report

Cap Provider

11. Realized Loss Detail Report

Bear Stearns Fin. Products.Inc

12. Triggers and Adj. Cert. Report

13. Other Related Information

Total Number of Pages

Dates

Contacts

Cut-Off Date:

March 01, 2007

Jennifer Hermansader

Close Date:

March 29, 2007

Administrator

First Distribution Date:

April 25, 2007

(714) 247-6258

Jennifer.Vandyne@db.com

Address:

Distribution Date:

December 26, 2007

1761 East St. Andrew Place, Santa Ana, CA 92705

Record Date:

November 30, 2007

Factor Information:

(800) 735-7777

December 24, 2007

Main Phone Number:

(714) 247-6000

Determination Date:

December 18, 2007

https://tss.sfs.db.com/investpublic

Page 1 of 30

IndyMac Residential Asset Securitization Trust 2007-A5



Mortgage Pass-Through Certificates
Mortgage Pass-Through Certificates
December 26, 2007 Distribution

Certificate Payment Report
Current Period Distribution - REMIC III
			Prior						Current
			Prior

	Class	Original	Principal			Total	Realized	Deferred	Principal

Class	Type	Face Value	Balance	Interest	Principal	Distribution	Loss	Interest	Balance
			(1)	(2)	(3)	(4)=(2)+(3)	(5)	(6)	(7)=(1)-(3)-(5)+(6)
1-A-1	SR	14,235,000.00	12,231,540.43	54,927.26	33,331.48	88,258.74	0.00	0.00	12,198,208.95
1-A-1	SR	14,235,000.00	12,231,540.43	54,927.26	33,331.48	88,258.74	0.00	0.00	12,198,208.95
1-A-2	SR	10,000,000.00	8,592,581.96	37,153.97	23,415.16	60,569.13	0.00	0.00	8,569,166.80
1-A-3	SR	100,000,000.00	85,925,819.66	370,107.57	234,151.59	604,259.16	0.00	0.00	85,691,668.07
1-A-4	NTL/SR	0.00	0.00	199,724.88	0.00	199,724.88	0.00	0.00	0.00
1-A-5	NTL/SR	0.00	0.00	1,432.10	0.00	1,432.10	0.00	0.00	0.00
1-A-6	SR	88,483,000.00	76,029,742.98	328,749.44	207,184.36	535,933.80	0.00	0.00	75,822,558.62
1-A-7	SR	438,000.00	376,355.12	0.00	1,025.58	1,025.58	0.00	0.00	375,329.54
2-A-1	SR	133,307,000.00	125,273,060.46	626,365.30	533,410.57	1,159,775.87	0.00	0.00	124,739,649.89
2-A-2	SR	147,217,000.00	142,314,107.12	711,570.54	710.00	712,280.54	0.00	0.00	142,313,397.12
2-A-3	SR	147,217,000.00	134,375,401.18	671,877.01	1,177,429.25	1,849,306.26	0.00	0.00	133,197,971.93
2-A-4	SR	7,876,000.00	7,876,000.00	39,380.00	0.00	39,380.00	0.00	0.00	7,876,000.00
2-A-5	SR	96,012,000.00	96,012,000.00	480,060.00	0.00	480,060.00	0.00	0.00	96,012,000.00
2-A-6	SR	12,892,000.00	12,892,000.00	64,460.00	0.00	64,460.00	0.00	0.00	12,892,000.00
PO	SR	2,455,414.00	2,426,092.97	0.00	1,361.17	1,361.17	0.00	0.00	2,424,731.80
A-X	NTL/SR	0.00	0.00	202,029.55	0.00	202,029.55	0.00	0.00	0.00
A-R	SR/RES	100.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
B-1	SUB	16,857,000.00	16,783,713.41	85,876.09	6,572.59	92,448.68	0.00	0.00	16,777,140.82
B-2	SUB	8,830,000.00	8,791,611.16	44,983.44	3,442.84	48,426.28	0.00	0.00	8,788,168.32
B-3	SUB	4,816,000.00	4,795,062.22	24,534.56	1,877.77	26,412.33	0.00	0.00	4,793,184.45
B-4	NOF/SUB	5,217,000.00	5,194,318.84	26,577.41	2,034.12	28,611.53	0.00	0.00	5,192,284.72
B-5	NOF/SUB	4,013,000.00	3,995,553.29	20,443.78	1,564.68	22,008.46	0.00	0.00	3,993,988.61
B-6	NOF/SUB	2,809,679.00	2,797,463.88	14,313.60	1,095.50	15,409.10	0.00	0.00	2,796,368.38
P	NOF	100.00	100.00	0.00	0.00	0.00	0.00	0.00	100.00


Total		802,675,293.00	746,682,524.68	4,004,566.50	2,228,606.66	6,233,173.16	0.00	0.00	744,453,918.02
Total





Page 2 of 30

IndyMac Residential Asset Securitization Trust 2007-A5



Mortgage Pass-Through Certificates
Mortgage Pass-Through Certificates
December 26, 2007 Distribution


Interest Accrual Detail Current Period Factor Information per $1,000 of Original Face Value
					Orig. Principal	Prior				Current
					Orig. Principal	Prior				Current
	Period	Period			(with Notional)	Principal			Total	Principal
Class	Starting	Ending	Method	Cusip	Balance	Balance	Interest	Principal	Distribution	Balance
			Method
					(1)	(1)	(2)	(3)	(4)=(2)+(3)	(5)

1-A-1	11/25/07	12/24/07	A-30/360	76114HAA3	14,235,000.00	859.258197	3.858606	2.341516	6.200122	856.916681
1-A-1	11/25/07	12/24/07	A-30/360	76114HAA3	14,235,000.00	859.258197	3.858606	2.341516	6.200122	856.916681
1-A-2	11/25/07	12/24/07	A-30/360	76114HAB1	10,000,000.00	859.258196	3.715397	2.341516	6.056913	856.916680
1-A-3	11/25/07	12/24/07	A-30/360	76114HAC9	100,000,000.00	859.258197	3.701076	2.341516	6.042592	856.916681
1-A-4	11/25/07	12/24/07	A-30/360	76114HAD7	212,718,000.00	859.258196	0.938919	0.000000	0.938919	856.916680
1-A-5	11/25/07	12/24/07	A-30/360	76114HAE5	1,000,000.00	859.258200	1.432100	0.000000	1.432100	856.916680
1-A-6	11/25/07	12/24/07	A-30/360	76114HAF2	88,483,000.00	859.258196	3.715397	2.341516	6.056913	856.916680
1-A-7	11/25/07	12/24/07	A-30/360	76114HAG0	438,000.00	859.258265	0.000000	2.341507	2.341507	856.916758
2-A-1	11/01/07	11/30/07	F-30/360	76114HAH8	133,307,000.00	939.733551	4.698668	4.001370	8.700037	935.732181
2-A-2	11/01/07	11/30/07	F-30/360	76114HAJ4	147,217,000.00	966.696150	4.833481	0.004823	4.838304	966.691327
2-A-3	11/01/07	11/30/07	F-30/360	76114HAK1	147,217,000.00	912.770952	4.563855	7.997916	12.561771	904.773035
2-A-4	11/01/07	11/30/07	F-30/360	76114HAL9	7,876,000.00	1,000.000000	5.000000	0.000000	5.000000	1,000.000000
2-A-5	11/01/07	11/30/07	F-30/360	76114HAM7	96,012,000.00	1,000.000000	5.000000	0.000000	5.000000	1,000.000000
2-A-6	11/01/07	11/30/07	F-30/360	76114HAN5	12,892,000.00	1,000.000000	5.000000	0.000000	5.000000	1,000.000000
PO		76114HAP0	2,455,414.00	988.058621	0.000000	0.554355	0.554355	987.504266
A-X	11/01/07	11/30/07	F-30/360	76114HAQ8	45,876,291.00	880.757995	4.403790	0.000000	4.403790	877.392739
A-R	11/01/07	11/30/07	F-30/360	76114HAR6	100.00	0.000000	0.000000	0.000000	0.000000	0.000000
B-1	11/01/07	11/30/07	A-30/360	76114HAS4	16,857,000.00	995.652454	5.094387	0.389903	5.484290	995.262551
B-2	11/01/07	11/30/07	A-30/360	76114HAT2	8,830,000.00	995.652453	5.094387	0.389903	5.484290	995.262550
B-3	11/01/07	11/30/07	A-30/360	76114HAU9	4,816,000.00	995.652454	5.094385	0.389902	5.484288	995.262552
B-4	11/01/07	11/30/07	A-30/360	76114HAW5	5,217,000.00	995.652452	5.094386	0.389902	5.484288	995.262549
B-5	11/01/07	11/30/07	A-30/360	76114HAX3	4,013,000.00	995.652452	5.094388	0.389903	5.484291	995.262549
B-6	11/01/07	11/30/07	A-30/360	76114HAY1	2,809,679.00	995.652486	5.094390	0.389902	5.484292	995.262583
P		76114HAV7	100.00	1,000.000000	0.000000	0.000000	0.000000	1,000.000000




Page 3 of 30

IndyMac Residential Asset Securitization Trust 2007-A5



Mortgage Pass-Through Certificates
Mortgage Pass-Through Certificates
December 26, 2007 Distribution


Distribution to Date - REMIC III
									Current


	Original		Unscheduled	Scheduled	Total	Total	Realized	Deferred	Principal

Class	Face Value	Interest	Principal	Principal	Principal	Distribution	Loss	Interest	Balance
(1)	(2)	(3)	(4)	(5)=(3)+(4)	(6)=(2)+(5)	(7)	(8)	(9)=(1)-(5)-(7)+(8)
1-A-1	14,235,000.00	573,393.12	1,945,697.89	91,093.16	2,036,791.05	2,610,184.17	0.00	0.00	12,198,208.95
1-A-2	10,000,000.00	388,966.61	1,366,840.81	63,992.39	1,430,833.20	1,819,799.81	0.00	0.00	8,569,166.80
1-A-3	100,000,000.00	3,875,827.48	13,668,408.08	639,923.85	14,308,331.93	18,184,159.41	0.00	0.00	85,691,668.07
1-A-4	0.00	1,293,021.54	0.00	0.00	0.00	1,293,021.54	0.00	0.00	0.00
1-A-5	0.00	13,838.54	0.00	0.00	0.00	13,838.54	0.00	0.00	0.00
1-A-6	88,483,000.00	3,441,693.17	12,094,217.55	566,223.82	12,660,441.38	16,102,134.55	0.00	0.00	75,822,558.62
1-A-7	438,000.00	0.00	59,867.61	2,802.86	62,670.46	62,670.46	0.00	0.00	375,329.54
2-A-1	133,307,000.00	5,821,380.84	7,936,463.29	630,886.82	8,567,350.11	14,388,730.95	0.00	0.00	124,739,649.89
2-A-2	147,217,000.00	6,531,681.13	4,698,181.55	205,421.33	4,903,602.88	11,435,284.01	0.00	0.00	142,313,397.12
2-A-3	147,217,000.00	6,325,951.62	12,831,015.22	1,188,012.85	14,019,028.07	20,344,979.69	0.00	0.00	133,197,971.93
2-A-4	7,876,000.00	354,420.00	0.01	0.00	0.00	354,420.01	0.00	0.00	7,876,000.00
2-A-5	96,012,000.00	4,320,540.00	0.00	0.00	0.00	4,320,540.00	0.00	0.00	96,012,000.00
2-A-6	12,892,000.00	580,140.00	0.00	0.00	0.00	580,140.00	0.00	0.00	12,892,000.00
PO	2,455,414.00	0.00	20,170.32	10,511.88	30,682.20	30,682.20	0.00	0.00	2,424,731.80
A-X	0.00	1,933,085.61	0.00	0.00	0.00	1,933,085.61	0.00	0.00	0.00
A-R	100.00	0.54	95.79	4.21	100.00	100.54	0.00	0.00	0.00
B-1	16,857,000.00	774,787.23	0.00	79,859.18	79,859.18	854,646.41	0.00	0.00	16,777,140.82
B-2	8,830,000.00	405,847.51	0.00	41,831.68	41,831.68	447,679.19	0.00	0.00	8,788,168.32
B-3	4,816,000.00	221,354.64	0.00	22,815.55	22,815.55	244,170.19	0.00	0.00	4,793,184.45
B-4	5,217,000.00	239,785.55	0.00	24,715.28	24,715.28	264,500.83	0.00	0.00	5,192,284.72
B-5	4,013,000.00	184,446.89	0.00	19,011.39	19,011.39	203,458.28	0.00	0.00	3,993,988.61
B-6	2,809,679.00	129,139.45	0.00	13,310.57	13,310.57	142,450.02	0.00	0.00	2,796,368.38
P	100.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	100.00

Total	802,675,293.00	37,409,301.47	54,620,958.12	3,600,416.82	58,221,374.93	95,630,676.41	0.00	0.00	744,453,918.02




Page 4 of 30

IndyMac Residential Asset Securitization Trust 2007-A5



Mortgage Pass-Through Certificates
Mortgage Pass-Through Certificates
December 26, 2007 Distribution


Interest Detail - REMIC III
	Pass	Prior Principal		Non-	Prior	Unscheduled		Paid or	Current
	Pass	Prior Principal		Non-	Prior	Unscheduled		Paid or

	Through	(with Notional)	Accrued	Supported	Unpaid	Interest	Optimal	Deferred	Unpaid

Class	Rate	Balance	Interest	Interest SF	Interest	Adjustment	Interest	Interest	Interest
			(1)	(2)	(3)	(4)	(5)=(1)-(2)+(3)+(4)	(6)	(7)=(5)-(6)
1-A-1	5.38875%	12,231,540.43	54,927.26	0.00	0.00	0.00	54,927.26	54,927.26	0.00
1-A-2	5.18875%	8,592,581.96	37,153.97	0.00	0.00	0.00	37,153.97	37,153.97	0.00
1-A-3	5.16875%	85,925,819.66	370,107.57	0.00	0.00	0.00	370,107.57	370,107.57	0.00
1-A-4	1.31125%	182,779,685.03	199,724.88	0.00	0.00	0.00	199,724.88	199,724.88	0.00
1-A-5	2.00000%	859,258.20	1,432.10	0.00	0.00	0.00	1,432.10	1,432.10	0.00
1-A-6	5.18875%	76,029,742.98	328,749.44	0.00	0.00	0.00	328,749.44	328,749.44	0.00
1-A-7	0.00000%	376,355.12	0.00	0.00	0.00	0.00	0.00	0.00	0.00
2-A-1	6.00000%	125,273,060.46	626,365.30	0.00	0.00	0.00	626,365.30	626,365.30	0.00
2-A-2	6.00000%	142,314,107.12	711,570.54	0.00	0.00	0.00	711,570.54	711,570.54	0.00
2-A-3	6.00000%	134,375,401.18	671,877.01	0.00	0.00	0.00	671,877.01	671,877.01	0.00
2-A-4	6.00000%	7,876,000.00	39,380.00	0.00	0.00	0.00	39,380.00	39,380.00	0.00
2-A-5	6.00000%	96,012,000.00	480,060.00	0.00	0.00	0.00	480,060.00	480,060.00	0.00
2-A-6	6.00000%	12,892,000.00	64,460.00	0.00	0.00	0.00	64,460.00	64,460.00	0.00
PO	0.00000%	2,426,092.97	0.00	0.00	0.00	0.00	0.00	0.00	0.00
A-X	6.00000%	40,405,910.10	202,029.55	0.00	0.00	0.00	202,029.55	202,029.55	0.00
A-R	0.00000%	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
B-1	6.13996%	16,783,713.41	85,876.09	0.00	0.00	0.00	85,876.09	85,876.09	0.00
B-2	6.13996%	8,791,611.16	44,983.44	0.00	0.00	0.00	44,983.44	44,983.44	0.00
B-3	6.13996%	4,795,062.22	24,534.56	0.00	0.00	0.00	24,534.56	24,534.56	0.00
B-4	6.13996%	5,194,318.84	26,577.41	0.00	0.00	0.00	26,577.41	26,577.41	0.00
B-5	6.13996%	3,995,553.29	20,443.78	0.00	0.00	0.00	20,443.78	20,443.78	0.00
B-6	6.13996%	2,797,463.88	14,313.60	0.00	0.00	0.00	14,313.60	14,313.60	0.00
P	0.00000%	100.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00


Total		970,727,378.01	4,004,566.50	0.00	0.00	0.00	4,004,566.50	4,004,566.50	0.00



Page 5 of 30

IndyMac Residential Asset Securitization Trust 2007-A5



Mortgage Pass-Through Certificates
Mortgage Pass-Through Certificates
December 26, 2007 Distribution

Collection Account Report
SUMMARY

	Group 2	Group 1	Total
Principal Collections	1,726,143.20	502,463.46	2,228,606.66
Principal Withdrawals	0.00	0.00	0.00
Principal Other Accounts	0.00	0.00	0.00
TOTAL NET PRINCIPAL	1,726,143.20	502,463.46	2,228,606.66
Interest Collections	2,941,307.48	1,156,730.69	4,098,038.16
Interest Withdrawals	-0.00	-0.00	-0.00
Interest Other Accounts	0.00	0.00	0.00
Interest Fees	-74,402.24	-19,069.41	-93,471.68
TOTAL NET INTEREST	2,866,905.23	1,137,661.28	4,004,566.48
TOTAL AVAILABLE FUNDS FOR DISTRIBUTION	4,593,048.43	1,640,124.74	6,233,173.14




PRINCIPAL - COLLECTIONS

	Group 2	Group 1	Total
Scheduled Principal Received	241,498.91	53,329.06	294,827.97
Curtailments	54,844.29	9,134.40	63,978.69
Prepayments In Full	1,429,800.00	440,000.00	1,869,800.00
Repurchased/Substitutions	0.00	0.00	0.00
Liquidations	0.00	0.00	0.00
Insurance Principal	0.00	0.00	0.00
Other Additional Principal	0.00	0.00	0.00
Delinquent Principal	-52,963.97	-23,033.16	-75,997.13
Realized Losses	-0.00	-0.00	-0.00
Advanced Principal	52,963.97	23,033.16	75,997.13
TOTAL PRINCIPAL COLLECTED	1,726,143.20	502,463.46	2,228,606.66




PRINCIPAL - WITHDRAWALS

SPACE INTENTIONALLY LEFT BLANK




PRINCIPAL - OTHER ACCOUNTS

	Group 2	Group 1	Total
PRINCIPAL OTHER ACCOUNTS	0.00	0.00	0.00






Page 6 of 30

IndyMac Residential Asset Securitization Trust 2007-A5



Mortgage Pass-Through Certificates
Mortgage Pass-Through Certificates
December 26, 2007 Distribution


INTEREST - COLLECTIONS

	Group 2	Group 1	Total
Scheduled Interest	2,966,484.51	1,172,792.42	4,139,276.93
Repurchased/Substitution Interest	0.00	0.00	0.00
Liquidation Interest	0.00	0.00	0.00
Insurance Interest	0.00	0.00	0.00
Other Additional Interest	0.00	0.00	0.00
Prepayment Interest Shortfalls	-250.22	-1,089.00	-1,339.22
Delinquent Interest	-779,090.05	-580,800.58	-1,359,890.63
Compensating Interest	250.22	1,089.00	1,339.21
Civil Relief Act Shortfalls	-0.00	-0.00	-0.00
Interest Advanced	753,913.03	564,738.87	1,318,651.90
Interest Realized Loss	0.00	0.00	0.00
TOTAL INTEREST COLLECTED	2,941,307.48	1,156,730.69	4,098,038.16




INTEREST - WITHDRAWALS

	Group 2	Group 1	Total
Interest Withdrawals	0.00	0.00	0.00




INTEREST - OTHER ACCOUNTS
INTEREST - OTHER ACCOUNTS
	Group 2	Group 1	Total
Withdrawl from Supplemental Reserve			0.00

Prepayment Charges Collected. *
Prepayment Charges Waived. *
Prepayment Charges paid by the servicer	0.00	0.00	0.00

TOTAL INTEREST OTHER ACCOUNTS	0.00	0.00	0.00




* Information not available with Trustee



INTEREST FEES
INTEREST FEES
	Group 2	Group 1	Total
Current Servicing Fees	71,992.85	16,528.89	88,521.74
Trustee Fees	1,608.59	569.23	2,177.82
PMI	800.80	1,971.28	2,772.08
TOTAL INTEREST FEES	74,402.24	19,069.41	93,471.68



Page 7 of 30

IndyMac Residential Asset Securitization Trust 2007-A5

Mortgage Pass-Through Certificates

December 26, 2007 Distribution

Credit Enhancement Report

ACCOUNTS

Distribution Account

Beginning Account Balance

0.00

Ending Account Balance

0.00

Supplemental Interest Reserve Fund for 1-A-1

Beginning Account Balance

0.00

Amounts received from Counterparty

0.00

Yield Supplement Amount Paid

0.00

Ending Account Balance

0.00

Supplemental Interest Reserve Fund for 1-A-2

Beginning Account Balance

0.00

Amounts received from Counterparty

0.00

Yield Supplement Amount Paid

0.00

Ending Account Balance

0.00

Supplemental Interest Reserve Fund for 1-A-3

Beginning Account Balance

0.00

Amounts received from Counterparty

0.00

Yield Supplement Amount Paid

0.00

Ending Account Balance

0.00

Supplemental Interest Reserve Fund for 1-A-6

Beginning Account Balance

0.00

Amounts received from Counterparty

0.00

Yield Supplement Amount Paid

0.00

Ending Account Balance

0.00

INSURANCE

SPACE INTENTIONALLY LEFT BLANK

Page 8 of 30

IndyMac Residential Asset Securitization Trust 2007-A5

Mortgage Pass-Through Certificates

December 26, 2007 Distribution

STRUCTURAL FEATURES

SPACE INTENTIONALLY LEFT BLANK

Page 9 of 30

IndyMac Residential Asset Securitization Trust 2007-A5



Mortgage Pass-Through Certificates
Mortgage Pass-Through Certificates
December 26, 2007 Distribution

Collateral Report


COLLATERAL



		Group 2	Group 1	Total



Loan Count:
Loan Count:


Original	885	390	1,275
Prior	856	346	1,202
Prefunding	0	0	0
Scheduled Paid Offs	-0	-0	-0
Full Voluntary Prepayments	-1	-1	-2
Repurchases	-0	-0	-0
Liquidations	-0	-0	-0
Current	855	345	1,200
Principal Balance:


Original	577,427,622.72	225,247,572.01	802,675,194.73
Prior	551,517,840.12	195,164,586.21	746,682,426.33
Prefunding	0.00	0.00	0.00
Scheduled Principal	-241,498.91	-53,329.06	-294,827.97
Partial Prepayments	-54,844.29	-9,134.40	-63,978.69
Full Voluntary Prepayments	-1,429,800.00	-440,000.00	-1,869,800.00
Repurchases	-0.00	-0.00	-0.00
Liquidations	-0.00	-0.00	-0.00
Current	549,791,696.92	194,662,122.75	744,453,819.67

Aggregate number and outstanding Stated Principal
of Mortgage Loans repurchased during the related
Due Period due to material breaches of
representations and warranties regarding
such Mortgage Loans.*

* Information not available with Trustee





PREFUNDING

SPACE INTENTIONALLY LEFT BLANK






Page 10 of 30

IndyMac Residential Asset Securitization Trust 2007-A5

Mortgage Pass-Through Certificates

December 26, 2007 Distribution



CHARACTERISTICS
CHARACTERISTICS

	Group 2	Group 1	Total
Weighted Average Coupon Original	6.45862%	7.25042%	6.68082%
Weighted Average Coupon Prior	6.45502%	7.21137%	6.65309%
Weighted Average Coupon Current	6.45452%	7.21110%	6.65227%
Weighted Average Months to Maturity Original	358	358	358
Weighted Average Months to Maturity Prior	350	351	351
Weighted Average Months to Maturity Current	349	350	349
Weighted Avg Remaining Amortization Term Original	360	365	361
Weighted Avg Remaining Amortization Term Prior	353	358	354
Weighted Avg Remaining Amortization Term Current	352	357	353
Weighted Average Seasoning Original	2.02	2.03	2.02
Weighted Average Seasoning Prior	9.02	8.97	9.01
Weighted Average Seasoning Current	10.02	9.97	10.01

Page 11 of 30

IndyMac Residential Asset Securitization Trust 2007-A5

Mortgage Pass-Through Certificates

December 26, 2007 Distribution



ARM CHARACTERISTICS
ARM CHARACTERISTICS

	Group 2	Group 1	Total
Weighted Average Margin Original	0.00000%	0.00000%	0.00000%
Weighted Average Margin Prior	0.00000%	0.00000%	0.00000%
Weighted Average Margin Current	0.00000%	0.00000%	0.00000%
Weighted Average Max Rate Original	0.00000%	0.00000%	0.00000%
Weighted Average Max Rate Prior	0.00000%	0.00000%	0.00000%
Weighted Average Max Rate Current	0.00000%	0.00000%	0.00000%
Weighted Average Min Rate Original	0.00000%	0.00000%	0.00000%
Weighted Average Min Rate Prior	0.00000%	0.00000%	0.00000%
Weighted Average Min Rate Current	0.00000%	0.00000%	0.00000%
Weighted Average Cap Up Original	0.00000%	0.00000%	0.00000%
Weighted Average Cap Up Prior	0.00000%	0.00000%	0.00000%
Weighted Average Cap Up Current	0.00000%	0.00000%	0.00000%
Weighted Average Cap Down Original	0.00000%	0.00000%	0.00000%
Weighted Average Cap Down Prior	0.00000%	0.00000%	0.00000%
Weighted Average Cap Down Current	0.00000%	0.00000%	0.00000%





Page 12 of 30

IndyMac Residential Asset Securitization Trust 2007-A5



Mortgage Pass-Through Certificates
Mortgage Pass-Through Certificates
December 26, 2007 Distribution


SERVICING FEES & ADVANCES
SERVICING FEES & ADVANCES

	Group 2	Group 1	Total




Current Servicing Fees	71,992.85	16,528.89	88,521.74
Delinquent Servicing Fees	25,177.04	16,061.73	41,238.77
TOTAL SERVICING FEES	97,169.89	32,590.61	129,760.50


Total Servicing Fees	97,169.89	32,590.61	129,760.50
Compensating Interest	-250.22	-1,089.00	-1,339.21
Delinquent Servicing Fees	-25,177.04	-16,061.73	-41,238.77
COLLECTED SERVICING FEES	71,742.64	15,439.89	87,182.53


Total Advanced Interest	753,913.03	564,738.87	1,318,651.90
Total Advanced Principal	52,963.97	23,033.16	75,997.13
Aggregate Advances with respect to this Distribution	806,876.99	587,772.02	1,394,649.02



The aggregate amount of Advances reimbursed
during the related Due Period. *
The general source of funds for such reimbursements. *
The aggregate amount of Advances outstanding as
of the close of business on the Distribution Date. *


The aggregate amount of Servicing Advances
reimbursed during the related Due Period. *
The general source of funds for such reimbursements. *
The aggregate amount of Servicing Advances outstanding
as of the close of business on the Distribution Date. *



* Information not available with Trustee




ADDITIONAL COLLATERAL INFORMATION
ADDITIONAL COLLATERAL INFORMATION
	Group 2	Group 1	Total
Prepayment Interest Shortfall (PPIS)	250.22	1,089.00	1,339.22
Compensating Interest	(250.22)	(1,089.00)	(1,339.21)
Net Prepayment Interest Shortfall (PPIS)	0.00	0.00	0.00

Weighted Average Net Mortgage Rate	6.237851%	6.995088%	6.435775%

The number and aggregate balance of any
Delayed Delivery Mortgage Loans not delivered
within the time periods specified in the
definition of Delayed Delivery Mortgage Loans. *

* Information not available with Trustee




Page 13 of 30

IndyMac Residential Asset Securitization Trust 2007-A5



Mortgage Pass-Through Certificates
Mortgage Pass-Through Certificates
December 26, 2007 Distribution

Delinquency Report

TOTAL
		< 1 PAYMENT	1 PAYMENT	2 PAYMENTS	3+ PAYMENTS	TOTAL
DELINQUENT	Balance		23,541,828.12	6,377,220.25	7,203,661.15	37,122,709.52
	% Balance		3.16%	0.86%	0.97%	4.99%
	# Loans		36	11	12	59
	% # Loans		3.00%	0.92%	1.00%	4.92%
FORECLOSURE	Balance	0.00	0.00	0.00	11,979,655.26	11,979,655.26
	% Balance	0.00%	0.00%	0.00%	1.61%	1.61%
	# Loans	0	0	0	20	20
	% # Loans	0.00%	0.00%	0.00%	1.67%	1.67%
BANKRUPTCY	Balance	0.00	0.00	0.00	1,442,677.17	1,442,677.17
	% Balance	0.00%	0.00%	0.00%	0.19%	0.19%
	# Loans	0	0	0	2	2
	% # Loans	0.00%	0.00%	0.00%	0.17%	0.17%
REO	Balance	0.00	0.00	0.00	531,489.33	531,489.33
	% Balance	0.00%	0.00%	0.00%	0.07%	0.07%
	# Loans	0	0	0	1	1
	% # Loans	0.00%	0.00%	0.00%	0.08%	0.08%
TOTAL	Balance	0.00	23,541,828.12	6,377,220.25	21,157,482.91	51,076,531.28
	% Balance	0.00%	3.16%	0.86%	2.84%	6.86%
	# Loans	0	36	11	35	82
	% # Loans	0.00%	3.00%	0.92%	2.92%	6.83%

Page 14 of 30

IndyMac Residential Asset Securitization Trust 2007-A5



Mortgage Pass-Through Certificates
Mortgage Pass-Through Certificates
December 26, 2007 Distribution


GROUP 1
		< 1 PAYMENT	1 PAYMENT	2 PAYMENTS	3+ PAYMENTS	TOTAL
DELINQUENT	Balance		14,325,356.41	3,811,370.37	4,833,573.52	22,970,300.30
	% Balance		7.36%	1.96%	2.48%	11.80%
	# Loans		23	6	8	37
	% # Loans		6.67%	1.74%	2.32%	10.72%
FORECLOSURE	Balance	0.00	0.00	0.00	8,364,411.65	8,364,411.65
	% Balance	0.00%	0.00%	0.00%	4.30%	4.30%
	# Loans	0	0	0	14	14
	% # Loans	0.00%	0.00%	0.00%	4.06%	4.06%
BANKRUPTCY	Balance	0.00	0.00	0.00	1,442,677.17	1,442,677.17
	% Balance	0.00%	0.00%	0.00%	0.74%	0.74%
	# Loans	0	0	0	2	2
	% # Loans	0.00%	0.00%	0.00%	0.58%	0.58%
REO	Balance	0.00	0.00	0.00	531,489.33	531,489.33
	% Balance	0.00%	0.00%	0.00%	0.27%	0.27%
	# Loans	0	0	0	1	1
	% # Loans	0.00%	0.00%	0.00%	0.29%	0.29%
TOTAL	Balance	0.00	14,325,356.41	3,811,370.37	15,172,151.67	33,308,878.45
	% Balance	0.00%	7.36%	1.96%	7.79%	17.11%
	# Loans	0	23	6	25	54
	% # Loans	0.00%	6.67%	1.74%	7.25%	15.65%

Page 15 of 30

IndyMac Residential Asset Securitization Trust 2007-A5



Mortgage Pass-Through Certificates
Mortgage Pass-Through Certificates
December 26, 2007 Distribution


GROUP 2
		< 1 PAYMENT	1 PAYMENT	2 PAYMENTS	3+ PAYMENTS	TOTAL
DELINQUENT	Balance		9,216,471.71	2,565,849.88	2,370,087.63	14,152,409.22
	% Balance		1.68%	0.47%	0.43%	2.57%
	# Loans		13	5	4	22
	% # Loans		1.52%	0.58%	0.47%	2.57%
FORECLOSURE	Balance	0.00	0.00	0.00	3,615,243.61	3,615,243.61
	% Balance	0.00%	0.00%	0.00%	0.66%	0.66%
	# Loans	0	0	0	6	6
	% # Loans	0.00%	0.00%	0.00%	0.70%	0.70%
BANKRUPTCY	Balance	0.00	0.00	0.00	0.00	0.00
	% Balance	0.00%	0.00%	0.00%	0.00%	0.00%
	# Loans	0	0	0	0	0
	% # Loans	0.00%	0.00%	0.00%	0.00%	0.00%
REO	Balance	0.00	0.00	0.00	0.00	0.00
	% Balance	0.00%	0.00%	0.00%	0.00%	0.00%
	# Loans	0	0	0	0	0
	% # Loans	0.00%	0.00%	0.00%	0.00%	0.00%
TOTAL	Balance	0.00	9,216,471.71	2,565,849.88	5,985,331.24	17,767,652.83
	% Balance	0.00%	1.68%	0.47%	1.09%	3.23%
	# Loans	0	13	5	10	28
	% # Loans	0.00%	1.52%	0.58%	1.17%	3.27%

Page 16 of 30

IndyMac Residential Asset Securitization Trust 2007-A5

Mortgage Pass-Through Certificates

December 26, 2007 Distribution

REO Report

Loan Number

Original

Stated

Current

State &

First

Principal

Paid to

Note

LTV at

Original

Payment

Loan Group

Balance

Date

Rate

Origination

Term

Date

Became REO Property in a Prior Period:

125484690 1

536,000.00

531,489.33

01-Feb-2007

7.000%

CA - 80.00%

360

01-Mar-2007

TOTAL

536,000.00

531,489.33

Page 17 of 30

IndyMac Residential Asset Securitization Trust 2007-A5



Mortgage Pass-Through Certificates
Mortgage Pass-Through Certificates
December 26, 2007 Distribution

Foreclosure Report
Loan Number	Original	Stated		Current	State &		First
Loan Number	Original	Stated		Current	State &		First
&	Principal	Principal	Paid to	Note	LTV at	Original	Payment
Loan Group	Balance	Balance	Date	Rate	Origination	Term	Date
					Origination

Became Foreclosure Property this Period:
6090102 2	501,575.00	501,575.00	01-Jul-2007	6.000%	DC - 80.00%	360	01-Feb-2007
6096356 1	520,000.00	520,000.00	01-Jul-2007	7.750%	MD - 79.88%	360	01-Jan-2007
6097634 2	999,975.00	999,975.00	01-Jul-2007	6.500%	ID - 66.67%	360	01-Feb-2007
6098036 1	650,000.00	642,615.45	01-Jul-2007	7.250%	CA - 79.27%	360	01-Nov-2006
125496791 2	560,000.00	555,343.80	01-Jul-2007	6.500%	CT - 77.24%	360	01-Apr-2007
125531154 2	464,000.00	464,000.00	01-Jul-2007	6.750%	CA - 80.00%	360	01-Mar-2007
125729384 1	720,000.00	715,021.47	01-Jul-2007	8.000%	GA - 80.00%	360	01-Mar-2007


TOTAL	4,415,550.00	4,398,530.72

Became Foreclosure Property in a Prior Period:
6096012 2	580,000.00	574,349.81	01-May-2007	6.750%	NY - 80.00%	360	01-Feb-2007
6100206 1	680,000.00	680,000.00	01-Jan-2007	8.125%	NY - 80.00%	360	01-Feb-2007
6100258 1	511,800.00	511,800.00	01-Apr-2007	7.990%	CA - 80.00%	360	01-Jan-2007
125039104 1	460,000.00	457,001.36	01-Jun-2007	7.750%	IL - 80.00%	360	01-Apr-2007
125059304 2	520,000.00	520,000.00	01-May-2007	6.750%	CA - 80.00%	360	01-Mar-2007
125226719 1	760,000.00	756,922.87	01-May-2007	6.875%	FL - 80.00%	360	01-Mar-2007
125254960 1	500,000.00	500,000.00	01-Feb-2007	7.125%	FL - 74.63%	360	01-Mar-2007
125266957 1	494,400.00	490,574.94	01-May-2007	6.875%	NY - 80.00%	360	01-Apr-2007
125430433 1	750,000.00	748,217.09	01-Jun-2007	8.375%	TN - 76.92%	360	01-Apr-2007
125503080 1	647,200.00	645,154.13	01-Apr-2007	7.375%	FL - 80.00%	360	01-Apr-2007
125551745 1	632,000.00	632,000.00	01-Mar-2007	7.750%	FL - 80.00%	360	01-Apr-2007
125690346 1	592,000.00	587,741.82	01-Jun-2007	7.250%	CA - 80.00%	360	01-Apr-2007
125736119 1	480,000.00	477,362.52	01-Jun-2007	8.000%	FL - 80.00%	360	01-May-2007


TOTAL	7,607,400.00	7,581,124.54


TOTAL	12,022,950.00	11,979,655.26
TOTAL


Page 18 of 30

IndyMac Residential Asset Securitization Trust 2007-A5



Mortgage Pass-Through Certificates
Mortgage Pass-Through Certificates
December 26, 2007 Distribution

Prepayment Report

VOLUNTARY PREPAYMENTS
VOLUNTARY PREPAYMENTS

		Group 2	Group 1	Total


Current


Number of Paid in Full Loans	1	1	2
Number of Repurchased Loans	0	0	0
Total Number of Loans Prepaid in Full	1	1	2
Curtailments Amount	54,844.29	9,134.40	63,978.69
Paid in Full Balance	1,429,800.00	440,000.00	1,869,800.00
Repurchased Loans Balance	0.00	0.00	0.00
Total Prepayment Amount	1,484,644.29	449,134.40	1,933,778.69
Cumulative


Number of Paid in Full Loans	30	44	74
Number of Repurchased Loans	0	1	1
Total Number of Loans Prepaid in Full	30	45	75
Paid in Full Balance	22,192,726.54	28,523,983.82	50,716,710.36
Repurchased Loans Balance	0.00	956,000.00	956,000.00
Curtailments Amount	3,293,103.83	611,143.91	3,904,247.74
Total Prepayment Amount	25,485,830.37	30,091,127.73	55,576,958.10

Page 19 of 30

IndyMac Residential Asset Securitization Trust 2007-A5



Mortgage Pass-Through Certificates
Mortgage Pass-Through Certificates
December 26, 2007 Distribution


VOLUNTARY PREPAYMENTS RATES - Including Liquidated Balances



		Group 2	Group 1	Total





SMM	0.27%	0.23%	0.26%
3 Months Avg SMM	0.53%	0.51%	0.52%
12 Months Avg SMM	0.50%	1.58%	0.80%
Avg SMM Since Cut-off	0.50%	1.58%	0.80%



CPR	3.18%	2.73%	3.07%
3 Months Avg CPR	6.16%	5.92%	6.10%
12 Months Avg CPR	5.85%	17.42%	9.14%
Avg CPR Since Cut-off	5.85%	17.42%	9.14%



PSA	158.82%	136.81%	153.10%
3 Months Avg PSA Approximation	341.50%	329.99%	338.51%
12 Months Avg PSA Approximation	485.87%	1,454.57%	759.78%
Avg PSA Since Cut-off Approximation	485.87%	1,454.58%	759.77%


(*) SMM, CPR, PSA Figures Include Liquidated Balances

Page 20 of 30

IndyMac Residential Asset Securitization Trust 2007-A5

Mortgage Pass-Through Certificates

December 26, 2007 Distribution

PREPAYMENT CALCULATION METHODOLOGY - Including Liquidated Balances

Single Monthly Mortality (SMM): (Voluntary partial and full prepayments + Repurchases + Liquidated Balances)/(Beg Principal Balance - Sched Principal)

Conditional Prepayment Rate (CPR): 1-((1-SMM)^12)

PSA Standard Prepayment Model: CPR/(0.20%*min(30,WAS))

Average SMM over period between nth month and mth month (AvgSMMn,m): 1 - [(1-SMMn)*(1-SMMn+1)*...*(1-SMMm)]^(1/months in period n,m)

Average CPR over period between the nth month and mth month (AvgCPRn,m): 1-((1-AvgSMMn,m)^12)

Average PSA Approximation over period between the nth month and mth month: AvgCPRn,m/(0.20%*Avg WASn,m))

Average WASn,m: (min(30,WASn)+min(30,WASn+1)+...+min(30,WASm)/(number of months in the period n,m)

Weighted Average Seasoning (WAS)

Note: Prepayment rates are calculated since deal issue date and include partial and full voluntary prepayments and repurchases.

Dates correspond to distribution dates.

Page 21 of 30

IndyMac Residential Asset Securitization Trust 2007-A5



Mortgage Pass-Through Certificates
Mortgage Pass-Through Certificates
December 26, 2007 Distribution


VOLUNTARY PREPAYMENTS RATES - Excluding Liquidated Balances



		Group 2	Group 1	Total





SMM	0.27%	0.23%	0.26%
3 Months Avg SMM	0.53%	0.51%	0.52%
12 Months Avg SMM	0.50%	1.58%	0.80%
Avg SMM Since Cut-off	0.50%	1.58%	0.80%



CPR	3.18%	2.73%	3.07%
3 Months Avg CPR	6.16%	5.92%	6.10%
12 Months Avg CPR	5.85%	17.42%	9.14%
Avg CPR Since Cut-off	5.85%	17.42%	9.14%



PSA	158.82%	136.81%	153.10%
3 Months Avg PSA Approximation	341.50%	329.99%	338.51%
12 Months Avg PSA Approximation	485.87%	1,454.57%	759.78%
Avg PSA Since Cut-off Approximation	485.87%	1,454.58%	759.77%

(*) SMM, CPR, PSA Figures Exclude Liquidated Balances
(*) SMM, CPR, PSA Figures Exclude Liquidated Balances

Page 22 of 30

IndyMac Residential Asset Securitization Trust 2007-A5

Mortgage Pass-Through Certificates

December 26, 2007 Distribution

PREPAYMENT CALCULATION METHODOLOGY - Excluding Liquidated Balances

Single Monthly Mortality (SMM): (Voluntary partial and full prepayments + Repurchases)/(Beg Principal Balance - Sched Principal)

Conditional Prepayment Rate (CPR): 1-((1-SMM)^12)

PSA Standard Prepayment Model: CPR/(0.20%*min(30,WAS))

Average SMM over period between nth month and mth month (AvgSMMn,m): 1 - [(1-SMMn)*(1-SMMn+1)*...*(1-SMMm)]^(1/months in period n,m)

Average CPR over period between the nth month and mth month (AvgCPRn,m): 1-((1-AvgSMMn,m)^12)

Average PSA Approximation over period between the nth month and mth month: AvgCPRn,m/(0.20%*Avg WASn,m))

Average WASn,m: (min(30,WASn)+min(30,WASn+1)+...+min(30,WASm)/(number of months in the period n,m)

Weighted Average Seasoning (WAS)

Note: Prepayment rates are calculated since deal issue date and include partial and full voluntary prepayments and repurchases.

Dates correspond to distribution dates.

Page 23 of 30

IndyMac Residential Asset Securitization Trust 2007-A5

Mortgage Pass-Through Certificates

December 26, 2007 Distribution

Prepayment Detail Report

Prepayment Detail Report - Mortgage Loans Prepaid in Full During Current Distribution

Loan Number

Original

Current

State &

Type Prepayment

First

Loan

Principal

Prepayment

Note

LTV at

Payment

Loan Group

Status

Balance

Amount

Date

Rate

Origination

Original Term

Date

125450454 2

1,430,000.00

1,429,800.00

30-Nov-2007

6.500%

CA - 65.00%

Paid Off - 360

01-Apr-2007

125543259 1

440,000.00

19-Nov-2007

7.625%

CA - 69.57%

Paid Off - 360

01-Mar-2007

TOTAL

1,870,000.00

1,869,800.00

Page 24 of 30

IndyMac Residential Asset Securitization Trust 2007-A5



Mortgage Pass-Through Certificates
Mortgage Pass-Through Certificates
December 26, 2007 Distribution

Realized Loss Report

COLLATERAL REALIZED LOSSES


		Group 2	Group 1	Total


Current





	Subsequent Recoveries		0.00	0.00	0.00

	Number of Loans Liquidated		0	0	0
	Collateral Principal Realized Loss/(Gain) Amount		0.00	0.00	0.00
	Collateral Interest Realized Loss/(Gain) Amount		0.00	0.00	0.00
Net Liquidation Proceeds		0.00	0.00	0.00
Cumulative




	Number of Loans Liquidated		0	0	0

	Collateral Realized Loss/(Gain) Amount		0.00	0.00	0.00
	Net Liquidation Proceeds		0.00	0.00	0.00
Cumulative Subsequent Recoveries		0.00	0.00	0.00



	Special Hazard Loss Coverage Amt				7,466,824.26
	Fraud Loss Coverage Amt				16,053,503.89
	Bankrupt Loss Coverage Amt				247,127.26

	Class B-1 Writedown Amount				0.00
	Class B-2 Writedown Amount				0.00
	Class B-3 Writedown Amount				0.00
	Class B-4 Writedown Amount				0.00
	Class B-5 Writedown Amount				0.00
	Class B-6 Writedown Amount				0.00

Page 25 of 30

IndyMac Residential Asset Securitization Trust 2007-A5



Mortgage Pass-Through Certificates
Mortgage Pass-Through Certificates
December 26, 2007 Distribution


DEFAULT SPEEDS
DEFAULT SPEEDS
	Group 2	Group 1	Total




MDR	0.00%	0.00%	0.00%
3 Months Avg MDR	0.00%	0.00%	0.00%
12 Months Avg MDR	0.00%	0.00%	0.00%
Avg MDR Since Cut-off	0.00%	0.00%	0.00%


CDR	0.00%	0.00%	0.00%
3 Months Avg CDR	0.00%	0.00%	0.00%
12 Months Avg CDR	0.00%	0.00%	0.00%
Avg CDR Since Cut-off	0.00%	0.00%	0.00%


SDA	0.00%	0.00%	0.00%
3 Months Avg SDA Approximation	0.00%	0.00%	0.00%
12 Months Avg SDA Approximation	0.00%	0.00%	0.00%
Avg SDA Since Cut-off Approximation	0.00%	0.00%	0.00%


Principal Only Loss Severity Approx for Current Period	0.00%	0.00%	0.00%
3 Months Avg Loss Severity Approximation	0.00%	0.00%	0.00%
12 Months Avg Loss Severity Approximation	0.00%	0.00%	0.00%
Avg Loss Severity Approximation Since Cut-Off	0.00%	0.00%	0.00%


Principal & Interest Loss Severity Approx for Current Period	0.00%	0.00%	0.00%
3 Months Avg Loss Severity Approximation	0.00%	0.00%	0.00%
12 Months Avg Loss Severity Approximation	0.00%	0.00%	0.00%
Avg Loss Severity Approximation Since Cut-Off	0.00%	0.00%	0.00%

Page 26 of 30

IndyMac Residential Asset Securitization Trust 2007-A5

Mortgage Pass-Through Certificates

December 26, 2007 Distribution

COLLATERAL REALIZED LOSS CALCULATION METHODOLOGY

Monthly Default Rate (MDR): (Beg Principal Balance of Liquidated Loans)/(Total Beg Principal Balance)

Conditional Default Rate (CDR): 1-((1-MDR)^12)

SDA Standard Default Assumption: CDR/IF(WAS<61,MIN(30,WAS)*0.02%,MAX(0.03%,MIN(30,WAS)*0.02%-0.0095%*(WAS-60)))

Average MDR over period between nth month and mth month (AvgMDRn,m): [(1-MDRn)*(1-MDRn+1)*...*(1-MDRm)]^(1/months in period n,m)

Average CDR over period between the nth month and mth month (AvgCDRn,m): 1-((1-AvgMDRn,m)^12)

Average SDA Approximation over period between the nth month and mth month:

AvgCDRn,m/IF(Avg WASn,m<61,MIN(30,Avg WASn,m)*0.02%,MAX(0.03%,MIN(30,Avg WASn,m)*0.02%-0.0095%*(Avg WASn,m-60)))

Average WASn,m: (WASn + WASn+1 +...+ WASm )/(number of months in the period n,m)

Principal Only Loss Severity Approximation for current period:

Sum(Principal Realized Loss Amount)/sum(Beg Principal Balance of Liquidated Loans)

Principal & Interest Loss Severity Approximation for current period:

Sum(Principal & Interest Realized Loss Amount)/sum(Beg Principal Balance of Liquidated Loans)

Average Loss Severity Approximation over period between nth month and mth month:

Sum(Realized Loss Amount)/sum(Beg Principal Balance of Liquidated Loans for months in the period n,m

Note: Default rates are calculated since deal issue date and include realized gains and additional realized losses and gains from prior periods.

Dates correspond to distribution dates.

All Realized Losses in excess of Principal Balance are treated as Interest Realized Losses.

Page 27 of 30

IndyMac Residential Asset Securitization Trust 2007-A5

Mortgage Pass-Through Certificates

December 26, 2007 Distribution

Realized Loss Detail Report

Loan Number

Current

State &

Prior

Realized

Cumulative

Loan

Note

LTV at

Original

Principal

Loss/(Gain)

Realized

Loan Group

Status

Rate

Origination

Term

Balance

Revision

Loss/(Gain)

TOTAL

Page 28 of 30

IndyMac Residential Asset Securitization Trust 2007-A5

Mortgage Pass-Through Certificates

December 26, 2007 Distribution

Triggers and Adj. Cert. Report

TRIGGER EVENTS

Group 2

Group 1

Total

Has Optional Termination Date Reached ?

Has Sr. Credit Supp. Depletion Date Occured ?

Has Special Haz. Cov. Term Date Occured ?

Has Fraud Loss Coverage Term Date Occured ?

Has BK Loss Cov. Term Date Occured ?

Does an Event of Default Exist?

Has Senior Stepdown Condition Satisfied?

ADJUSTABLE RATE CERTIFICATE INFORMATION

SPACE INTENTIONALLY LEFT BLANK

ADDITIONAL INFORMATION

Group 2

Group 1

Total

Senior Percentage

94.446721%

93.920044%

94.308719%

Subordinate Percentage

5.553279%

6.079956%

5.691281%

Senior Prepayment Percentage

100.000000%

Subordinate Prepayment Percentage

0.000000%

Subordinate Pass Through Rate

6.139960%

Current LIBOR Rate

4.788750%

Libor Rate Determination Date

11/22/2007

Next LIBOR Rate

4.865000%

Next Libor Determination Date

12/21/2007

Page 29 of 30

IndyMac Residential Asset Securitization Trust 2007-A5



Mortgage Pass-Through Certificates
Mortgage Pass-Through Certificates
December 26, 2007 Distribution

Other Related Information
ADDITIONAL INFORMATION
ADDITIONAL INFORMATION
	Group 2	Group 1	Total
Current Scheduled Payments	3,207,983.42	1,226,121.47	4,434,104.89
Current Scheduled Payments 1 Month Prior	3,238,307.92	1,241,352.87	4,479,660.79
Current Scheduled Payments 2 Month Prior	3,250,000.03	1,242,111.27	4,492,111.30
Current Scheduled Payments 3 Month Prior	3,255,240.50	1,249,916.03	4,505,156.53
Current Scheduled Payments 4 Month Prior	3,270,749.33	1,285,775.74	4,556,525.07
Current Scheduled Payments 5 Month Prior	3,283,884.70	1,337,628.91	4,621,513.61
Current Scheduled Payments 6 Month Prior	3,315,159.40	1,391,589.72	4,706,749.13
Current Scheduled Payments 7 Month Prior	3,328,053.81	1,410,907.99	4,738,961.80
Current Scheduled Payments 8 Month Prior	3,346,068.17	1,420,295.25	4,766,363.42
Current Scheduled Payments 9 Month Prior	0.00	0.00	0.00
Current Scheduled Payments 10 Month Prior	0.00	0.00	0.00
Current Scheduled Payments 11 Month Prior	0.00	0.00	0.00



Delinquent 60+ Scheduled Payments	49,823.06	124,442.45	174,265.51
Delinq. 60+ Sched. Pmnts, 1 Month Prior	36,867.50	104,519.33	141,386.83
Delinq. 60+ Sched. Pmnts, 2 Month Prior	42,797.19	83,964.53	126,761.73
Delinq. 60+ Sched. Pmnts, 3 Month Prior	28,723.21	64,709.20	93,432.41
Delinq. 60+ Sched. Pmnts, 4 Month Prior	6,846.82	49,753.95	56,600.77
Delinq. 60+ Sched. Pmnts, 5 Month Prior	0.00	41,852.06	41,852.06
Delinq. 60+ Sched. Pmnts, 6 Month Prior	3,863.50	46,321.98	50,185.48
Delinq. 60+ Sched. Pmnts, 7 Month Prior	3,863.50	19,377.16	23,240.65
Delinq. 60+ Sched. Pmnts, 8 Month Prior	0.00	1,366.97	1,366.97
Delinq. 60+ Sched. Pmnts, 9 Month Prior	0.00	0.00	0.00
Delinq. 60+ Sched. Pmnts, 10 Month Prior	0.00	0.00	0.00
Delinq. 60+ Sched. Pmnts, 11 Month Prior	0.00	0.00	0.00





Page 30 of 30

Residential Asset Securitization Trust 2007-A5 10-D