WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: WAMMS.02AR2
Distribution Date: 10/27/2003

Class	Cusip	Orig Prin Bal	Begin Prin Bal	Int Rate Accrued	Int Rate Paid	Int Dist	Prin Dist	Int Shortfall	Prin Loss	Deferred Interest	Int Reimbursed	Unscheduled Int	Prin Reimbursed	Subsequent Recoveries	Total Dist	Ending Class Bal
IA1	9393355E1	$175,757,700.00	$47,848,870.94	6.2966342891%	6.2966342891%	$251,072.37	$7,891,627.35	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$8,142,699.72	$39,957,243.59
IIA1	9393355F8	$30,867,700.00	$10,221,339.60	6.1711201108%	6.1711201108%	$52,564.26	$1,677,886.64	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$1,730,450.90	$8,543,452.96
IIIA1	9393355G6	$214,884,100.00	$88,990,730.27	5.7790574160%	5.7790574160%	$428,568.78	$8,516,371.25	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$8,944,940.03	$80,474,359.02
IVA1	9393355H4	$58,244,600.00	$20,631,933.73	5.4649314532%	5.4649314532%	$93,960.09	$1,291,591.14	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$1,385,551.22	$19,340,342.59
IIIX	9393355J0	$214,884,100.00	$88,990,730.27	0.5160000000%	0.5160000000%	$38,266.01	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$38,266.01	$80,474,359.02
IVX	9393355K7	$58,244,600.00	$20,631,933.73	0.5000000000%	0.5000000000%	$8,596.64	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$8,596.64	$19,340,342.59
M1	9393355L5	$7,771,300.00	$7,301,116.86	6.2490587131%	6.2490587131%	$38,020.92	$400,161.68	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$438,182.60	$6,900,955.18
B1	9393355M3	$9,843,900.00	$9,248,319.37	6.2490587131%	6.2490587131%	$48,161.08	$506,884.51	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$555,045.58	$8,741,434.86
B2	9393355N1	$6,217,000.00	$5,840,855.90	6.2490587131%	6.2490587131%	$30,416.54	$320,127.28	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$350,543.83	$5,520,728.62
B3	9393355P6	$5,699,200.00	$5,354,384.12	6.2490587131%	6.2490587131%	$27,883.22	$293,464.60	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$321,347.82	$5,060,919.52
B4	939336AK9	$4,921,900.00	$4,624,112.71	6.2490587131%	6.2490587131%	$24,080.29	$253,439.68	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$277,519.97	$4,370,673.03
B5	939336AM5	$2,072,300.00	$1,946,920.65	6.2490587131%	6.2490587131%	$10,138.68	$106,707.38	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$116,846.06	$1,840,213.27
B6	939336AP8	$1,813,506.00	$1,703,784.39	6.2490587131%	6.2490587131%	$8,872.54	$93,381.38	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$102,253.92	$1,610,403.01
R	9393355Q4	$100.00	$0.00	0.0000000000%	0.0000000000%	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00
R_SYN	XXXXXXXXX	$0.00	$0.00	0.0000000000%	0.0000000000%	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00
Total		$518,093,306.00	$203,712,368.54			$1,060,601.43	$21,351,642.88	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$22,412,244.31	$182,360,725.66

WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: WAMMS.02AR2
Distribution Date: 10/27/2003

Class	Orig Face	Beg Bal	Prin Loss	Prin Reimbursed	Subsequent Recoveries	Deferred Interest	Total Prin	End Cert Pct	End Cert Bal
IA1	$175,757,700.00	$47,848,870.94	$0.00	$0.00	$0.00	$0.00	$7,891,627.35	0.2273427770	$39,957,243.59
IIA1	$30,867,700.00	$10,221,339.60	$0.00	$0.00	$0.00	$0.00	$1,677,886.64	0.2767764673	$8,543,452.96
IIIA1	$214,884,100.00	$88,990,730.27	$0.00	$0.00	$0.00	$0.00	$8,516,371.25	0.3745012266	$80,474,359.02
IVA1	$58,244,600.00	$20,631,933.73	$0.00	$0.00	$0.00	$0.00	$1,291,591.14	0.3320538314	$19,340,342.59
IIIX	$214,884,100.00	$88,990,730.27	$0.00	$0.00	$0.00	$0.00	$0.00	0.3745012266	$80,474,359.02
IVX	$58,244,600.00	$20,631,933.73	$0.00	$0.00	$0.00	$0.00	$0.00	0.3320538314	$19,340,342.59
M1	$7,771,300.00	$7,301,116.86	$0.00	$0.00	$0.00	$0.00	$400,161.68	0.8880052475	$6,900,955.18
B1	$9,843,900.00	$9,248,319.37	$0.00	$0.00	$0.00	$0.00	$506,884.51	0.8880052479	$8,741,434.86
B2	$6,217,000.00	$5,840,855.90	$0.00	$0.00	$0.00	$0.00	$320,127.28	0.8880052469	$5,520,728.62
B3	$5,699,200.00	$5,354,384.12	$0.00	$0.00	$0.00	$0.00	$293,464.60	0.8880052499	$5,060,919.52
B4	$4,921,900.00	$4,624,112.71	$0.00	$0.00	$0.00	$0.00	$253,439.68	0.8880052480	$4,370,673.03
B5	$2,072,300.00	$1,946,920.65	$0.00	$0.00	$0.00	$0.00	$106,707.38	0.8880052454	$1,840,213.27
B6	$1,813,506.00	$1,703,784.39	$0.00	$0.00	$0.00	$0.00	$93,381.38	0.8880053388	$1,610,403.01
R	$100.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	0.0000000000	$0.00
R_SYN	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	0.0000000000	$0.00
Total	$518,093,306.00	$203,712,368.54	$0.00	$0.00	$0.00	$0.00	$21,351,642.88	0.3519843309	$182,360,725.66

WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: WAMMS.02AR2
Distribution Date: 10/27/2003
PER $1000 DENOMINATION
Class	Orig Face	Beg Bal	Prin Loss	Prin Reimbursed	Subsequent Recoveries	Deferred Interest	Total Prin	End Cert Pct	End Cert Bal
IA1	$175,757,700.00	272.24338359	0.00000000	0.00000000	0.00000000	0.00000000	44.90060663	0.2273427770	227.34277696
IIA1	$30,867,700.00	331.13382597	0.00000000	0.00000000	0.00000000	0.00000000	54.35735866	0.2767764673	276.77646731
IIIA1	$214,884,100.00	414.13362026	0.00000000	0.00000000	0.00000000	0.00000000	39.63239370	0.3745012266	374.50122657
IVA1	$58,244,600.00	354.22912562	0.00000000	0.00000000	0.00000000	0.00000000	22.17529419	0.3320538314	332.05383143
IIIX	$214,884,100.00	414.13362026	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.3745012266	374.50122657
IVX	$58,244,600.00	354.22912562	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.3320538314	332.05383143
M1	$7,771,300.00	939.49749205	0.00000000	0.00000000	0.00000000	0.00000000	51.49224454	0.8880052475	888.00524751
B1	$9,843,900.00	939.49749286	0.00000000	0.00000000	0.00000000	0.00000000	51.49224494	0.8880052479	888.00524792
B2	$6,217,000.00	939.49749075	0.00000000	0.00000000	0.00000000	0.00000000	51.49224385	0.8880052469	888.00524690
B3	$5,699,200.00	939.49749439	0.00000000	0.00000000	0.00000000	0.00000000	51.49224453	0.8880052499	888.00524986
B4	$4,921,900.00	939.49749284	0.00000000	0.00000000	0.00000000	0.00000000	51.49224486	0.8880052480	888.00524797
B5	$2,072,300.00	939.49749071	0.00000000	0.00000000	0.00000000	0.00000000	51.49224533	0.8880052454	888.00524538
B6	$1,813,506.00	939.49752027	0.00000000	0.00000000	0.00000000	0.00000000	51.49218144	0.8880053388	888.00533883
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

WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: WAMMS.02AR2
Distribution Date: 10/27/2003

Class	Orig Face	Int Rate Accrued	Int Rate Paid	Beg Cert Prin/Not Bal	Curent Int Accrued	Int Shortfall	Unscheduled Int	Int Reimbursed	Total Int Dist
IA1	$175,757,700.00	6.2966342891%	6.2966342891%	$47,848,870.94	$251,072.37	$0.00	$0.00	$0.00	$251,072.37
IIA1	$30,867,700.00	6.1711201108%	6.1711201108%	$10,221,339.60	$52,564.26	$0.00	$0.00	$0.00	$52,564.26
IIIA1	$214,884,100.00	5.7790574160%	5.7790574160%	$88,990,730.27	$428,568.78	$0.00	$0.00	$0.00	$428,568.78
IVA1	$58,244,600.00	5.4649314532%	5.4649314532%	$20,631,933.73	$93,960.09	$0.00	$0.00	$0.00	$93,960.09
IIIX	$214,884,100.00	0.5160000000%	0.5160000000%	$88,990,730.27	$38,266.01	$0.00	$0.00	$0.00	$38,266.01
IVX	$58,244,600.00	0.5000000000%	0.5000000000%	$20,631,933.73	$8,596.64	$0.00	$0.00	$0.00	$8,596.64
M1	$7,771,300.00	6.2490587131%	6.2490587131%	$7,301,116.86	$38,020.92	$0.00	$0.00	$0.00	$38,020.92
B1	$9,843,900.00	6.2490587131%	6.2490587131%	$9,248,319.37	$48,161.08	$0.00	$0.00	$0.00	$48,161.08
B2	$6,217,000.00	6.2490587131%	6.2490587131%	$5,840,855.90	$30,416.54	$0.00	$0.00	$0.00	$30,416.54
B3	$5,699,200.00	6.2490587131%	6.2490587131%	$5,354,384.12	$27,883.22	$0.00	$0.00	$0.00	$27,883.22
B4	$4,921,900.00	6.2490587131%	6.2490587131%	$4,624,112.71	$24,080.29	$0.00	$0.00	$0.00	$24,080.29
B5	$2,072,300.00	6.2490587131%	6.2490587131%	$1,946,920.65	$10,138.68	$0.00	$0.00	$0.00	$10,138.68
B6	$1,813,506.00	6.2490587131%	6.2490587131%	$1,703,784.39	$8,872.54	$0.00	$0.00	$0.00	$8,872.54
R	$100.00	0.0000000000%	0.0000000000%	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00
R_SYN	$0.00	0.0000000000%	0.0000000000%	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00
Total	$518,093,306.00			$203,712,368.54	$1,060,601.43	$0.00	$0.00	$0.00	$1,060,601.43

WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: WAMMS.02AR2
Distribution Date: 10/27/2003
PER $1000 DENOMINATION
Class	Orig Face	Int Rate Accrued	Int Rate Paid	Beg Cert Prin/Not Bal	Curent Int Accrued	Int Shortfall	Unscheduled Int	Int Reimbursed	Total Int Dist
IA1	$175,757,700.00	6.2966342891%	6.2966342891%	272.24338359	1.42851420	0.00000000	0.00000000	0.00000000	1.42851420
IIA1	$30,867,700.00	6.1711201108%	6.1711201108%	331.13382597	1.70288878	0.00000000	0.00000000	0.00000000	1.70288878
IIIA1	$214,884,100.00	5.7790574160%	5.7790574160%	414.13362026	1.99441829	0.00000000	0.00000000	0.00000000	1.99441829
IVA1	$58,244,600.00	5.4649314532%	5.4649314532%	354.22912562	1.61319831	0.00000000	0.00000000	0.00000000	1.61319831
IIIX	$214,884,100.00	0.5160000000%	0.5160000000%	414.13362026	0.17807744	0.00000000	0.00000000	0.00000000	0.17807744
IVX	$58,244,600.00	0.5000000000%	0.5000000000%	354.22912562	0.14759549	0.00000000	0.00000000	0.00000000	0.14759549
M1	$7,771,300.00	6.2490587131%	6.2490587131%	939.49749205	4.89247874	0.00000000	0.00000000	0.00000000	4.89247874
B1	$9,843,900.00	6.2490587131%	6.2490587131%	939.49749286	4.89247961	0.00000000	0.00000000	0.00000000	4.89247961
B2	$6,217,000.00	6.2490587131%	6.2490587131%	939.49749075	4.89247869	0.00000000	0.00000000	0.00000000	4.89247869
B3	$5,699,200.00	6.2490587131%	6.2490587131%	939.49749439	4.89247965	0.00000000	0.00000000	0.00000000	4.89247965
B4	$4,921,900.00	6.2490587131%	6.2490587131%	939.49749284	4.89247851	0.00000000	0.00000000	0.00000000	4.89247851
B5	$2,072,300.00	6.2490587131%	6.2490587131%	939.49749071	4.89247696	0.00000000	0.00000000	0.00000000	4.89247696
B6	$1,813,506.00	6.2490587131%	6.2490587131%	939.49752027	4.89247899	0.00000000	0.00000000	0.00000000	4.89247899
R	$100.00	0.0000000000%	0.0000000000%	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000
R_SYN	$0.00	0.0000000000%	0.0000000000%	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000

WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
MASTER SERVICING
MORTGAGE PASS-THROUGH CERTIFICATES
10/2003 DISTRIBUTION REPORT
SERIES: WAMMS 02AR2
WEIGHTED AVERAGE PC RATE: 6.24764%
WEIGHTED AVERAGE MATURITY: 267.56955
WEIGHTED AVERAGE LOAN AGE: 16.42856
POOL NUMBER: Group 1(1882,1883,1884,1885)
ISSUE DATE: 07/31/2002
CERTIFICATE BALANCE AT ISSUE: $518,093,304.00
	TOTAL NUMBER OF MORTAGES	CERTIFICATE ACCOUNT ACTIVITY (@ PCRATE)	CERTIFICATE BALANCE OUTSTANDING
BALANCES FROM LAST FISCAL MONTH-END:	619		$203,712,368.68
PRINCIPAL POOL COLLECTION(S):
Scheduled Principal Collection Due Current Month		$105,425.84
Unscheduled Principal Collection/Reversals		$16,399.64
Liquidations-in-full	60	$21,229,817.52
Subsequent Recoveries		$0.00
Net principal Distributed		$21,351,643.00	-$21,351,643.00

CAPITAL LOSS (PRINCIPAL WRITTEN OFF):			$0.00

BALANCE CURRENT FISCAL MONTH-END:	559		$182,360,725.68

SCHEDULED INTEREST AT MORTGAGE RATE:		$1,131,051.98

UNSCHEDULED INTEREST AT MORTGAGE RATE:
Unscheduled Interest Collection/Reversals		$0.00
Interest Uncollected on Liquidation		$0.00
Interest Uncollected on Non-Earning Assets		$0.00
Net Unscheduled Interest Distributed		$0.00

OTHER:
Loan Conversion Fees		$0.00
Expense Reimbursements		$0.00
Gain on Liquidations		$0.00
Hazard Insurance Premium Refunds		$0.00
Recoveries Carried Forward		$0.00
Net Other Distributions		$0.00

WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
MASTER SERVICING
MORTGAGE PASS-THROUGH CERTIFICATES
10/2003 DISTRIBUTION REPORT
	TOTAL NUMBER OF MORTAGES	CERTIFICATE ACCOUNT ACTIVITY (@ PCRATE)	CERTIFICATE BALANCE OUTSTANDING
SCHEDULED SERVICING FEE EXPENSES:		$70,450.67

UNSCHEDULED SERVICING FEES:
Unscheduled Service Fee Collections/Reversals		$0.00
Servicing Fees Uncollected on Liquidation		$0.00
Servicing Fees Uncollected/Non-Earning Assets		$0.00
Net Unscheduled Service Fees Distributed		$0.00

MISCELLANEOUS EXPENSES:		$0.00

NET FUNDS DISTRIBUTED:		$22,412,244.31

WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
MASTER SERVICING
MORTGAGE PASS-THROUGH CERTIFICATES
10/2003 DISTRIBUTION REPORT
SERIES: WAMMS 02AR2
WEIGHTED AVERAGE PC RATE: 6.29663%
WEIGHTED AVERAGE MATURITY: 267.93070
WEIGHTED AVERAGE LOAN AGE: 18.32882
POOL NUMBER: 1882
ISSUE DATE: 07/31/2002
CERTIFICATE BALANCE AT ISSUE: $189,803,163.00
	TOTAL NUMBER OF MORTAGES	CERTIFICATE ACCOUNT ACTIVITY (@ PCRATE)	CERTIFICATE BALANCE OUTSTANDING
BALANCES FROM LAST FISCAL MONTH-END:	178		$61,233,617.85
PRINCIPAL POOL COLLECTION(S):
Scheduled Principal Collection Due Current Month		$32,625.25
Unscheduled Principal Collection/Reversals		$4,603.12
Liquidations-in-full	20	$8,826,728.42
Subsequent Recoveries		$0.00
Net principal Distributed		$8,863,956.79	-$8,863,956.79

CAPITAL LOSS (PRINCIPAL WRITTEN OFF):			$0.00

BALANCE CURRENT FISCAL MONTH-END:	158		$52,369,661.06

SCHEDULED INTEREST AT MORTGAGE RATE:		$342,481.31

UNSCHEDULED INTEREST AT MORTGAGE RATE:
Unscheduled Interest Collection/Reversals		$0.00
Interest Uncollected on Liquidation		$0.00
Interest Uncollected on Non-Earning Assets		$0.00
Net Unscheduled Interest Distributed		$0.00

OTHER:
Loan Conversion Fees		$0.00
Expense Reimbursements		$0.00
Gain on Liquidations		$0.00
Hazard Insurance Premium Refunds		$0.00
Recoveries Carried Forward		$0.00
Net Other Distributions		$0.00

WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
MASTER SERVICING
MORTGAGE PASS-THROUGH CERTIFICATES
10/2003 DISTRIBUTION REPORT
	TOTAL NUMBER OF MORTAGES	CERTIFICATE ACCOUNT ACTIVITY (@ PCRATE)	CERTIFICATE BALANCE OUTSTANDING
SCHEDULED SERVICING FEE EXPENSES:		$21,176.58

UNSCHEDULED SERVICING FEES:
Unscheduled Service Fee Collections/Reversals		$0.00
Servicing Fees Uncollected on Liquidation		$0.00
Servicing Fees Uncollected/Non-Earning Assets		$0.00
Net Unscheduled Service Fees Distributed		$0.00

MISCELLANEOUS EXPENSES:		$0.00

NET FUNDS DISTRIBUTED:		$9,185,261.52

WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
MASTER SERVICING
MORTGAGE PASS-THROUGH CERTIFICATES
10/2003 DISTRIBUTION REPORT
SERIES: WAMMS 02AR2
WEIGHTED AVERAGE PC RATE: 6.17112%
WEIGHTED AVERAGE MATURITY: 341.27673
WEIGHTED AVERAGE LOAN AGE: 18.13304
POOL NUMBER: 1883
ISSUE DATE: 07/31/2002
CERTIFICATE BALANCE AT ISSUE: $33,334,526.00
	TOTAL NUMBER OF MORTAGES	CERTIFICATE ACCOUNT ACTIVITY (@ PCRATE)	CERTIFICATE BALANCE OUTSTANDING
BALANCES FROM LAST FISCAL MONTH-END:	41		$12,482,037.29
PRINCIPAL POOL COLLECTION(S):
Scheduled Principal Collection Due Current Month		$12,443.71
Unscheduled Principal Collection/Reversals		$202.51
Liquidations-in-full	5	$1,833,555.73
Subsequent Recoveries		$0.00
Net principal Distributed		$1,846,201.95	-$1,846,201.95

CAPITAL LOSS (PRINCIPAL WRITTEN OFF):			$0.00

BALANCE CURRENT FISCAL MONTH-END:	36		$10,635,835.34

SCHEDULED INTEREST AT MORTGAGE RATE:		$68,506.86

UNSCHEDULED INTEREST AT MORTGAGE RATE:
Unscheduled Interest Collection/Reversals		$0.00
Interest Uncollected on Liquidation		$0.00
Interest Uncollected on Non-Earning Assets		$0.00
Net Unscheduled Interest Distributed		$0.00

OTHER:
Loan Conversion Fees		$0.00
Expense Reimbursements		$0.00
Gain on Liquidations		$0.00
Hazard Insurance Premium Refunds		$0.00
Recoveries Carried Forward		$0.00
Net Other Distributions		$0.00

WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
MASTER SERVICING
MORTGAGE PASS-THROUGH CERTIFICATES
10/2003 DISTRIBUTION REPORT
	TOTAL NUMBER OF MORTAGES	CERTIFICATE ACCOUNT ACTIVITY (@ PCRATE)	CERTIFICATE BALANCE OUTSTANDING
SCHEDULED SERVICING FEE EXPENSES:		$4,316.77

UNSCHEDULED SERVICING FEES:
Unscheduled Service Fee Collections/Reversals		$0.00
Servicing Fees Uncollected on Liquidation		$0.00
Servicing Fees Uncollected/Non-Earning Assets		$0.00
Net Unscheduled Service Fees Distributed		$0.00

MISCELLANEOUS EXPENSES:		$0.00

NET FUNDS DISTRIBUTED:		$1,910,392.04

WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
MASTER SERVICING
MORTGAGE PASS-THROUGH CERTIFICATES
10/2003 DISTRIBUTION REPORT
SERIES: WAMMS 02AR2
WEIGHTED AVERAGE PC RATE: 6.29506%
WEIGHTED AVERAGE MATURITY: 246.09111
WEIGHTED AVERAGE LOAN AGE: 15.45798
POOL NUMBER: 1884
ISSUE DATE: 07/31/2002
CERTIFICATE BALANCE AT ISSUE: $232,056,266.00
	TOTAL NUMBER OF MORTAGES	CERTIFICATE ACCOUNT ACTIVITY (@ PCRATE)	CERTIFICATE BALANCE OUTSTANDING
BALANCES FROM LAST FISCAL MONTH-END:	320		$105,130,725.43
PRINCIPAL POOL COLLECTION(S):
Scheduled Principal Collection Due Current Month		$37,753.94
Unscheduled Principal Collection/Reversals		$9,606.05
Liquidations-in-full	31	$9,180,233.72
Subsequent Recoveries		$0.00
Net principal Distributed		$9,227,593.71	-$9,227,593.71

CAPITAL LOSS (PRINCIPAL WRITTEN OFF):			$0.00

BALANCE CURRENT FISCAL MONTH-END:	289		$95,903,131.72

SCHEDULED INTEREST AT MORTGAGE RATE:		$587,861.07

UNSCHEDULED INTEREST AT MORTGAGE RATE:
Unscheduled Interest Collection/Reversals		$0.00
Interest Uncollected on Liquidation		$0.00
Interest Uncollected on Non-Earning Assets		$0.00
Net Unscheduled Interest Distributed		$0.00

OTHER:
Loan Conversion Fees		$0.00
Expense Reimbursements		$0.00
Gain on Liquidations		$0.00
Hazard Insurance Premium Refunds		$0.00
Recoveries Carried Forward		$0.00
Net Other Distributions		$0.00

WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
MASTER SERVICING
MORTGAGE PASS-THROUGH CERTIFICATES
10/2003 DISTRIBUTION REPORT
	TOTAL NUMBER OF MORTAGES	CERTIFICATE ACCOUNT ACTIVITY (@ PCRATE)	CERTIFICATE BALANCE OUTSTANDING
SCHEDULED SERVICING FEE EXPENSES:		$36,357.81

UNSCHEDULED SERVICING FEES:
Unscheduled Service Fee Collections/Reversals		$0.00
Servicing Fees Uncollected on Liquidation		$0.00
Servicing Fees Uncollected/Non-Earning Assets		$0.00
Net Unscheduled Service Fees Distributed		$0.00

MISCELLANEOUS EXPENSES:		$0.00

NET FUNDS DISTRIBUTED:		$9,779,096.97

WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
MASTER SERVICING
MORTGAGE PASS-THROUGH CERTIFICATES
10/2003 DISTRIBUTION REPORT
SERIES: WAMMS 02AR2
WEIGHTED AVERAGE PC RATE: 5.96493%
WEIGHTED AVERAGE MATURITY: 321.16814
WEIGHTED AVERAGE LOAN AGE: 15.38117
POOL NUMBER: 1885
ISSUE DATE: 07/31/2002
CERTIFICATE BALANCE AT ISSUE: $62,899,349.00
	TOTAL NUMBER OF MORTAGES	CERTIFICATE ACCOUNT ACTIVITY (@ PCRATE)	CERTIFICATE BALANCE OUTSTANDING
BALANCES FROM LAST FISCAL MONTH-END:	80		$24,865,988.11
PRINCIPAL POOL COLLECTION(S):
Scheduled Principal Collection Due Current Month		$22,602.94
Unscheduled Principal Collection/Reversals		$1,987.96
Liquidations-in-full	4	$1,389,299.65
Subsequent Recoveries		$0.00
Net principal Distributed		$1,413,890.55	-$1,413,890.55

CAPITAL LOSS (PRINCIPAL WRITTEN OFF):			$0.00

BALANCE CURRENT FISCAL MONTH-END:	76		$23,452,097.56

SCHEDULED INTEREST AT MORTGAGE RATE:		$132,202.74

UNSCHEDULED INTEREST AT MORTGAGE RATE:
Unscheduled Interest Collection/Reversals		$0.00
Interest Uncollected on Liquidation		$0.00
Interest Uncollected on Non-Earning Assets		$0.00
Net Unscheduled Interest Distributed		$0.00

OTHER:
Loan Conversion Fees		$0.00
Expense Reimbursements		$0.00
Gain on Liquidations		$0.00
Hazard Insurance Premium Refunds		$0.00
Recoveries Carried Forward		$0.00
Net Other Distributions		$0.00

WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
MASTER SERVICING
MORTGAGE PASS-THROUGH CERTIFICATES
10/2003 DISTRIBUTION REPORT
	TOTAL NUMBER OF MORTAGES	CERTIFICATE ACCOUNT ACTIVITY (@ PCRATE)	CERTIFICATE BALANCE OUTSTANDING
SCHEDULED SERVICING FEE EXPENSES:		$8,599.51

UNSCHEDULED SERVICING FEES:
Unscheduled Service Fee Collections/Reversals		$0.00
Servicing Fees Uncollected on Liquidation		$0.00
Servicing Fees Uncollected/Non-Earning Assets		$0.00
Net Unscheduled Service Fees Distributed		$0.00

MISCELLANEOUS EXPENSES:		$0.00

NET FUNDS DISTRIBUTED:		$1,537,493.78

WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
MASTER SERVICING
MORTGAGE PASS-THROUGH CERTIFICATES
10/2003 DISTRIBUTION REPORT
SERIES: WAMMS 02AR2
WEIGHTED AVERAGE PC RATE: 6.24764%
WEIGHTED AVERAGE MATURITY: 267.56955
WEIGHTED AVERAGE LOAN AGE: 16.42856
POOL NUMBER: ALL
ISSUE DATE: 07/31/2002
CERTIFICATE BALANCE AT ISSUE: $518,093,304.00
	TOTAL NUMBER OF MORTAGES	CERTIFICATE ACCOUNT ACTIVITY (@ PCRATE)	CERTIFICATE BALANCE OUTSTANDING
BALANCES FROM LAST FISCAL MONTH-END:	619		$203,712,368.68
PRINCIPAL POOL COLLECTION(S):
Scheduled Principal Collection Due Current Month		$105,425.84
Unscheduled Principal Collection/Reversals		$16,399.64
Liquidations-in-full	60	$21,229,817.52
Subsequent Recoveries		$0.00
Net principal Distributed		$21,351,643.00	-$21,351,643.00

CAPITAL LOSS (PRINCIPAL WRITTEN OFF):			$0.00

BALANCE CURRENT FISCAL MONTH-END:	559		$182,360,725.68

SCHEDULED INTEREST AT MORTGAGE RATE:		$1,131,051.98

UNSCHEDULED INTEREST AT MORTGAGE RATE:
Unscheduled Interest Collection/Reversals		$0.00
Interest Uncollected on Liquidation		$0.00
Interest Uncollected on Non-Earning Assets		$0.00
Net Unscheduled Interest Distributed		$0.00

OTHER:
Loan Conversion Fees		$0.00
Expense Reimbursements		$0.00
Gain on Liquidations		$0.00
Hazard Insurance Premium Refunds		$0.00
Recoveries Carried Forward		$0.00
Net Other Distributions		$0.00

WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
MASTER SERVICING
MORTGAGE PASS-THROUGH CERTIFICATES
10/2003 DISTRIBUTION REPORT
	TOTAL NUMBER OF MORTAGES	CERTIFICATE ACCOUNT ACTIVITY (@ PCRATE)	CERTIFICATE BALANCE OUTSTANDING
SCHEDULED SERVICING FEE EXPENSES:		$70,450.67

UNSCHEDULED SERVICING FEES:
Unscheduled Service Fee Collections/Reversals		$0.00
Servicing Fees Uncollected on Liquidation		$0.00
Servicing Fees Uncollected/Non-Earning Assets		$0.00
Net Unscheduled Service Fees Distributed		$0.00

MISCELLANEOUS EXPENSES:		$0.00

NET FUNDS DISTRIBUTED:		$22,412,244.31

WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: WAMMS.02AR2
Distribution Date: 10/27/2003

Distribution by Group
Pool ID		Principal		Interest		Total
Group 1(1882,1883,1884,1885)		$21,351,643.00		$1,060,601.31		$22,412,244.31
Pool - 1882		$8,863,956.79		$321,304.73		$9,185,261.52
Pool - 1883		$1,846,201.95		$64,190.09		$1,910,392.04
Pool - 1884		$9,227,593.71		$551,503.26		$9,779,096.97
Pool - 1885		$1,413,890.55		$123,603.23		$1,537,493.78
Aggregate		$21,351,643.00		$1,060,601.31		$22,412,244.31

Number of Loans and Aggregate Principal Balance By Group
Pool ID	Beg Bal	Beg Count	Paid Off / Liq Count	Rem Count	Sched Prin End Bal	Sched Prin	Prin PrePay / Liq	Unsched Prin / Rev	Total Prin
Group 1(1882,1883,1884,1885)	$203,712,368.68	619	60	559	$182,360,725.68	$105,425.84	$21,229,817.52	$16,399.64	$21,351,643.00
Pool - 1882	$61,233,617.85	178	20	158	$52,369,661.06	$32,625.25	$8,826,728.42	$4,603.12	$8,863,956.79
Pool - 1883	$12,482,037.29	41	5	36	$10,635,835.34	$12,443.71	$1,833,555.73	$202.51	$1,846,201.95
Pool - 1884	$105,130,725.43	320	31	289	$95,903,131.72	$37,753.94	$9,180,233.72	$9,606.05	$9,227,593.71
Pool - 1885	$24,865,988.11	80	4	76	$23,452,097.56	$22,602.94	$1,389,299.65	$1,987.96	$1,413,890.55
Aggregate	$203,712,368.68	619	60	559	$182,360,725.68	$105,425.84	$21,229,817.52	$16,399.64	$21,351,643.00

Delinquency Information by Group
Pool ID	1 Month Count	Sched End Balance	2 Months Count	Sched End Balance	3 Months Count	Sched End Balance	4 Months Count	Sched End Balance
Group 1(1882,1883,1884,1885)	19	$6,390,098.98	6	$1,622,912.69	1	$217,126.04	2	$266,291.87
Pool - 1882	2	$1,085,871.34	1	$382,180.96	0	$0.00	0	$0.00
Pool - 1883	0	$0.00	0	$0.00	0	$0.00	0	$0.00
Pool - 1884	14	$4,129,795.77	5	$1,240,731.73	1	$217,126.04	2	$266,291.87
Pool - 1885	3	$1,174,431.87	0	$0.00	0	$0.00	0	$0.00
Aggregate	19	$6,390,098.98	6	$1,622,912.69	1	$217,126.04	2	$266,291.87

Foreclosure and REO Information by Group
Pool ID		Foreclosure Count		Sched End Balance		REO Count		Sched End Balance
Group 1(1882,1883,1884,1885)		2		$953,988.23		0		$0.00
Pool - 1882		1		$99,062.09		0		$0.00
Pool - 1883		0		$0.00		0		$0.00
Pool - 1884		1		$854,926.14		0		$0.00
Pool - 1885		0		$0.00		0		$0.00
Aggregate		2		$953,988.23		0		$0.00

Aggregate Loss Amounts by Group
Pool ID			Count			Loss Amount
Group 1(1882,1883,1884,1885)			0			$0.00
Aggregate			0			$0.00

WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: WAMMS.02AR2
Distribution Date: 10/27/2003

INSURANCE RESERVES - Group 1(1882,1883,1884,1885)
Insurance Type	Original Balance	Claims In Progress	Claims Paid	Coverage Adjustments	Coverage Remaining
MPI	$0.00	$0.00	$0.00	$0.00	$0.00
Special Hazard	$5,994,000.00	$0.00	$0.00	$0.00	$5,994,000.00
Bankruptcy Bond
Single-Units	$238,000.00	$0.00	$0.00	$0.00	$238,000.00
Multi-Units	$0.00	$0.00	$0.00	$0.00	$0.00
Mortgage Repurchase	$10,361,866.00	$0.00	$0.00	$0.00	$10,361,866.00

INSURANCE RESERVES - Aggregate
Insurance Type	Original Balance	Claims In Progress	Claims Paid	Coverage Adjustments	Coverage Remaining
MPI	$0.00	$0.00	$0.00	$0.00	$0.00
Special Hazard	$5,994,000.00	$0.00	$0.00	$0.00	$5,994,000.00
Bankruptcy Bond
Single-Units	$238,000.00	$0.00	$0.00	$0.00	$238,000.00
Multi-Units	$0.00	$0.00	$0.00	$0.00	$0.00
Mortgage Repurchase	$10,361,866.00	$0.00	$0.00	$0.00	$10,361,866.00

WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: WAMMS.02AR2
Distribution Date: 10/27/2003

The Group B Certificates provide, to the limited extent described in the Prospectus Supplement, credit support, as well as special hazard, bankruptcy, and fraud coverage to certain Group I, II, III and IV Certificates. The "Prospectus Supplement" is that certain Prospectus Supplement, dated July 29, 2002 to that certain Prospectus Supplement, dated July 23, 2002, to which certain Group I, II, III and IV Certificates were offered. The Special Hazard, Bankruptcy, and Fraud coverage (collectively, "Credit Enhancements") provided by the B certificates provide coverage to the Group I, II, III and IV Loans, subject to the conditions and limitations to payment specified thereunder.



The Class Principal Balances of each Class of the Class M1,B1,B2,B3,B4,B5,B6 Certificatesimmediately after the principal and interest distribution on 200310 are as follows:

Class			Class Principal Balance
M1			$6,900,955.18
B1			$8,741,434.86
B2			$5,520,728.62
B3			$5,060,919.52
B4			$4,370,673.03
B5			$1,840,213.27
B6			$1,610,403.01
Total			$34,045,327.49
Capitalized items used but not defined herein have the meanings ascribed to them in the Prospectus Supplement.
The amount of the special hazard coverage, bankruptcy coverage, and fraud coverage, as of the above referenced distribution date, is $5,994,000.00, $238,000.00, $10,361,866.00 respectively, and such coverages are referred to in the table above under the column "Insurance Type" as "special hazard," "bankruptcy bond," and "mortgage repurchase," respectively. However, no policy of insurance exists for any such coverage, notwithstanding the reference to "insurance."

WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: WAMMS.02AR2
Distribution Date: 10/27/2003

Aggregate ARM Information by Group
Pool ID	Netwac	Margin
Group 1(1882,1883,1884,1885)	6.24764%	2.09557%
Pool - 1882	6.29663%	2.33740%
Pool - 1883	6.17112%	2.33832%
Pool - 1884	6.29506%	1.96525%
Pool - 1885	5.96493%	1.97835%
Aggregate	6.24764%	2.09721%

WASHINGTON MUTUAL MSC MORTGAGE PASS THR CERT SER 2002-AR2 8-K