WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: AMAC.034
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
A1	000780BW5	$102,599,000.00	$98,352,368.35	3.6250000000%	3.6250000000%	$297,106.11	$10,320,950.02	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$10,618,056.13	$88,031,418.33
A2	000780BX3	$40,270,840.00	$38,823,125.57	5.5000000000%	5.5000000000%	$177,939.33	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$177,939.33	$35,304,619.89
A3	000780BY1	$23,554,000.00	$23,554,000.00	5.5000000000%	5.5000000000%	$107,955.83	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$107,955.83	$23,554,000.00
A4	000780BZ8	$34,804,000.00	$34,804,000.00	5.5000000000%	5.5000000000%	$159,518.33	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$159,518.33	$34,804,000.00
A5	000780CA2	$38,822,000.00	$38,822,000.00	4.7500000000%	4.7500000000%	$153,670.42	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$153,670.42	$38,822,000.00
A6	000780CB0	$31,239,000.00	$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
A7	000780CC8	$3,970,000.00	$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
A8	000780CD6	$5,878,000.00	$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
A9	000780CE4	$16,749,000.00	$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
A10	000780CF1	$8,500,000.00	$0.01	5.5000000000%	0.0000000000%	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.01
A11	000780CG9	$4,250,000.00	$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
A12	000780CH7	$3,250,000.00	$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
A13	000780CJ3	$4,000,000.00	$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
A14	000780CK0	$1,953,000.00	$1,953,000.00	5.5000000000%	5.5000000000%	$8,951.25	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$8,951.25	$1,953,000.00
A15	000780CL8	$56,373,000.00	$33,644,764.95	4.5000000000%	4.5000000000%	$126,167.87	$2,211,266.58	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$2,337,434.45	$31,433,498.37
A16	000780CM6	$1,613,000.00	$1,613,000.00	5.5000000000%	5.5000000000%	$7,392.92	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$7,392.92	$1,613,000.00
A17	000780CN4	$18,790,000.00	$11,214,324.82	6.7250000000%	6.7250000000%	$62,846.95	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$62,846.95	$10,477,275.19
A18	000780CP9	$15,500,000.00	$0.01	2.4750000000%	0.0000000000%	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.01
A19	000780CQ7	$4,000,000.00	$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
A20	000780CR5	$4,500,000.00	$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
A21	000780CS3	$18,790,000.00	$11,214,324.82	1.7750000000%	1.7750000000%	$16,587.86	$737,049.63	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$753,637.49	$10,477,275.19
A22	000780CT1	$3,867,439.00	$3,867,439.00	5.5000000000%	5.5000000000%	$17,725.76	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$17,725.76	$3,867,439.00
AP	000780CU8	$557,502.35	$536,163.23	0.0000000000%	0.0000000000%	$0.00	$14,982.74	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$14,982.74	$521,180.49
AX	000780CV6	$1,596,038.00	$751,299.96	5.5000000000%	5.5000000000%	$3,443.46	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$3,443.46	$641,598.94
M	000780CW4	$5,742,822.00	$5,708,303.06	5.5000000000%	5.5000000000%	$26,163.06	$5,916.37	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$32,079.42	$5,702,386.69
B1	000780CX2	$2,574,368.00	$2,558,893.99	5.5000000000%	5.5000000000%	$11,728.26	$2,652.16	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$14,380.43	$2,556,241.83
B2	000780CY0	$990,142.00	$984,190.45	5.5000000000%	5.5000000000%	$4,510.87	$1,020.06	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$5,530.94	$983,170.39
B3	000780DA1	$792,113.00	$787,351.77	5.5000000000%	5.5000000000%	$3,608.70	$816.05	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$4,424.75	$786,535.72
B4	000780DB9	$594,085.00	$590,514.08	5.5000000000%	5.5000000000%	$2,706.52	$612.04	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$3,318.56	$589,902.04
B5	000780DC7	$594,084.89	$590,513.94	5.5000000000%	5.5000000000%	$2,706.52	$612.04	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$3,318.56	$589,901.90
R	000780CZ7	$100.00	$0.00	0.0000000000%	0.0000000000%	$1.68	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$1.68	$0.00

WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: AMAC.034
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
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
A10_ROUND	XXXXXXXXX	$8,500,000.00	$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
A11_ROUND	XXXXXXXXX	$4,250,000.00	$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
A12_ROUND	XXXXXXXXX	$3,250,000.00	$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
A13_ROUND	XXXXXXXXX	$4,000,000.00	$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		$396,056,656.24	$259,580,827.66			$1,190,731.69	$13,295,877.69	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$14,486,609.38	$246,284,949.97

WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: AMAC.034
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
A1	$102,599,000.00	$98,352,368.35	$0.00	$0.00	$0.00	$0.00	$10,320,950.02	0.8580143893	$88,031,418.33
A2	$40,270,840.00	$38,823,125.57	$0.00	$0.00	$0.00	$0.00	$0.00	0.8766795004	$35,304,619.89
A3	$23,554,000.00	$23,554,000.00	$0.00	$0.00	$0.00	$0.00	$0.00	1.0000000000	$23,554,000.00
A4	$34,804,000.00	$34,804,000.00	$0.00	$0.00	$0.00	$0.00	$0.00	1.0000000000	$34,804,000.00
A5	$38,822,000.00	$38,822,000.00	$0.00	$0.00	$0.00	$0.00	$0.00	1.0000000000	$38,822,000.00
A6	$31,239,000.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	0.0000000000	$0.00
A7	$3,970,000.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	0.0000000000	$0.00
A8	$5,878,000.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	0.0000000000	$0.00
A9	$16,749,000.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	0.0000000000	$0.00
A10	$8,500,000.00	$0.01	$0.00	$0.00	$0.00	$0.00	$0.00	0.0000000012	$0.01
A11	$4,250,000.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	0.0000000000	$0.00
A12	$3,250,000.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	0.0000000000	$0.00
A13	$4,000,000.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	0.0000000000	$0.00
A14	$1,953,000.00	$1,953,000.00	$0.00	$0.00	$0.00	$0.00	$0.00	1.0000000000	$1,953,000.00
A15	$56,373,000.00	$33,644,764.95	$0.00	$0.00	$0.00	$0.00	$2,211,266.58	0.5575984668	$31,433,498.37
A16	$1,613,000.00	$1,613,000.00	$0.00	$0.00	$0.00	$0.00	$0.00	1.0000000000	$1,613,000.00
A17	$18,790,000.00	$11,214,324.82	$0.00	$0.00	$0.00	$0.00	$0.00	0.5575984667	$10,477,275.19
A18	$15,500,000.00	$0.01	$0.00	$0.00	$0.00	$0.00	$0.00	0.0000000006	$0.01
A19	$4,000,000.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	0.0000000000	$0.00
A20	$4,500,000.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	0.0000000000	$0.00
A21	$18,790,000.00	$11,214,324.82	$0.00	$0.00	$0.00	$0.00	$737,049.63	0.5575984667	$10,477,275.19
A22	$3,867,439.00	$3,867,439.00	$0.00	$0.00	$0.00	$0.00	$0.00	1.0000000000	$3,867,439.00
AP	$557,502.35	$536,163.23	$0.00	$0.00	$0.00	$0.00	$14,982.74	0.9348489562	$521,180.49
AX	$1,596,038.00	$751,299.96	$0.00	$0.00	$0.00	$0.00	$0.00	0.4019947771	$641,598.94
M	$5,742,822.00	$5,708,303.06	$0.00	$0.00	$0.00	$0.00	$5,916.37	0.9929589825	$5,702,386.69
B1	$2,574,368.00	$2,558,893.99	$0.00	$0.00	$0.00	$0.00	$2,652.16	0.9929589826	$2,556,241.83
B2	$990,142.00	$984,190.45	$0.00	$0.00	$0.00	$0.00	$1,020.06	0.9929589796	$983,170.39
B3	$792,113.00	$787,351.77	$0.00	$0.00	$0.00	$0.00	$816.05	0.9929589844	$786,535.72
B4	$594,085.00	$590,514.08	$0.00	$0.00	$0.00	$0.00	$612.04	0.9929589874	$589,902.04
B5	$594,084.89	$590,513.94	$0.00	$0.00	$0.00	$0.00	$612.04	0.9929589355	$589,901.90
R	$100.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	0.0000000000	$0.00

WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: AMAC.034
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
R_SYN	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	0.0000000000	$0.00
A10_ROUND	$8,500,000.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	0.0000000000	$0.00
A11_ROUND	$4,250,000.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	0.0000000000	$0.00
A12_ROUND	$3,250,000.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	0.0000000000	$0.00
A13_ROUND	$4,000,000.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	0.0000000000	$0.00
Total	$396,056,656.24	$259,580,827.66	$0.00	$0.00	$0.00	$0.00	$13,295,877.69	0.6218427240	$246,284,949.97

WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: AMAC.034
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
A1	$102,599,000.00	958.60942456	0.00000000	0.00000000	0.00000000	0.00000000	100.59503523	0.8580143893	858.01438932
A2	$40,270,840.00	964.05055296	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.8766795004	876.67950035
A3	$23,554,000.00	1,000.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	1.0000000000	1,000.00000000
A4	$34,804,000.00	1,000.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	1.0000000000	1,000.00000000
A5	$38,822,000.00	1,000.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	1.0000000000	1,000.00000000
A6	$31,239,000.00	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.0000000000	0.00000000
A7	$3,970,000.00	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.0000000000	0.00000000
A8	$5,878,000.00	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.0000000000	0.00000000
A9	$16,749,000.00	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.0000000000	0.00000000
A10	$8,500,000.00	0.00000118	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.0000000012	0.00000118
A11	$4,250,000.00	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.0000000000	0.00000000
A12	$3,250,000.00	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.0000000000	0.00000000
A13	$4,000,000.00	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.0000000000	0.00000000
A14	$1,953,000.00	1,000.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	1.0000000000	1,000.00000000
A15	$56,373,000.00	596.82409930	0.00000000	0.00000000	0.00000000	0.00000000	39.22563248	0.5575984668	557.59846682
A16	$1,613,000.00	1,000.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	1.0000000000	1,000.00000000
A17	$18,790,000.00	596.82409899	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.5575984667	557.59846674
A18	$15,500,000.00	0.00000065	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.0000000006	0.00000065
A19	$4,000,000.00	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.0000000000	0.00000000
A20	$4,500,000.00	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.0000000000	0.00000000
A21	$18,790,000.00	596.82409899	0.00000000	0.00000000	0.00000000	0.00000000	39.22563225	0.5575984667	557.59846674
A22	$3,867,439.00	1,000.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	1.0000000000	1,000.00000000
AP	$557,502.35	961.72371291	0.00000000	0.00000000	0.00000000	0.00000000	26.87475667	0.9348489562	934.84895624
AX	$1,596,038.00	470.72811550	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.4019947771	401.99477707
M	$5,742,822.00	993.98920252	0.00000000	0.00000000	0.00000000	0.00000000	1.03021999	0.9929589825	992.95898254
B1	$2,574,368.00	993.98920046	0.00000000	0.00000000	0.00000000	0.00000000	1.03021790	0.9929589826	992.95898255
B2	$990,142.00	993.98919549	0.00000000	0.00000000	0.00000000	0.00000000	1.03021587	0.9929589796	992.95897962
B3	$792,113.00	993.98920356	0.00000000	0.00000000	0.00000000	0.00000000	1.03021917	0.9929589844	992.95898439
B4	$594,085.00	993.98921030	0.00000000	0.00000000	0.00000000	0.00000000	1.03022295	0.9929589874	992.95898735
B5	$594,084.89	993.98915869	0.00000000	0.00000000	0.00000000	0.00000000	1.03022314	0.9929589355	992.95893555
R	$100.00	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.0000000000	0.00000000

WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: AMAC.034
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
R_SYN	$0.00	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.0000000000	0.00000000
A10_ROUND	$8,500,000.00	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.0000000000	0.00000000
A11_ROUND	$4,250,000.00	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.0000000000	0.00000000
A12_ROUND	$3,250,000.00	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.0000000000	0.00000000
A13_ROUND	$4,000,000.00	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.0000000000	0.00000000

WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: AMAC.034
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
A1	$102,599,000.00	3.6250000000%	3.6250000000%	$98,352,368.35	$297,106.11	$0.00	$0.00	$0.00	$297,106.11
A2	$40,270,840.00	5.5000000000%	5.5000000000%	$38,823,125.57	$177,939.33	$0.00	$0.00	$0.00	$177,939.33
A3	$23,554,000.00	5.5000000000%	5.5000000000%	$23,554,000.00	$107,955.83	$0.00	$0.00	$0.00	$107,955.83
A4	$34,804,000.00	5.5000000000%	5.5000000000%	$34,804,000.00	$159,518.33	$0.00	$0.00	$0.00	$159,518.33
A5	$38,822,000.00	4.7500000000%	4.7500000000%	$38,822,000.00	$153,670.42	$0.00	$0.00	$0.00	$153,670.42
A6	$31,239,000.00	0.0000000000%	0.0000000000%	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00
A7	$3,970,000.00	0.0000000000%	0.0000000000%	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00
A8	$5,878,000.00	0.0000000000%	0.0000000000%	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00
A9	$16,749,000.00	0.0000000000%	0.0000000000%	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00
A10	$8,500,000.00	5.5000000000%	0.0000000000%	$0.01	$0.00	$0.00	$0.00	$0.00	$0.00
A11	$4,250,000.00	0.0000000000%	0.0000000000%	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00
A12	$3,250,000.00	0.0000000000%	0.0000000000%	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00
A13	$4,000,000.00	0.0000000000%	0.0000000000%	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00
A14	$1,953,000.00	5.5000000000%	5.5000000000%	$1,953,000.00	$8,951.25	$0.00	$0.00	$0.00	$8,951.25
A15	$56,373,000.00	4.5000000000%	4.5000000000%	$33,644,764.95	$126,167.87	$0.00	$0.00	$0.00	$126,167.87
A16	$1,613,000.00	5.5000000000%	5.5000000000%	$1,613,000.00	$7,392.92	$0.00	$0.00	$0.00	$7,392.92
A17	$18,790,000.00	6.7250000000%	6.7250000000%	$11,214,324.82	$62,846.95	$0.00	$0.00	$0.00	$62,846.95
A18	$15,500,000.00	2.4750000000%	0.0000000000%	$0.01	$0.00	$0.00	$0.00	$0.00	$0.00
A19	$4,000,000.00	0.0000000000%	0.0000000000%	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00
A20	$4,500,000.00	0.0000000000%	0.0000000000%	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00
A21	$18,790,000.00	1.7750000000%	1.7750000000%	$11,214,324.82	$16,587.86	$0.00	$0.00	$0.00	$16,587.86
A22	$3,867,439.00	5.5000000000%	5.5000000000%	$3,867,439.00	$17,725.76	$0.00	$0.00	$0.00	$17,725.76
AP	$557,502.35	0.0000000000%	0.0000000000%	$536,163.23	$0.00	$0.00	$0.00	$0.00	$0.00
AX	$1,596,038.00	5.5000000000%	5.5000000000%	$751,299.96	$3,443.46	$0.00	$0.00	$0.00	$3,443.46
M	$5,742,822.00	5.5000000000%	5.5000000000%	$5,708,303.06	$26,163.06	$0.00	$0.00	$0.00	$26,163.06
B1	$2,574,368.00	5.5000000000%	5.5000000000%	$2,558,893.99	$11,728.26	$0.00	$0.00	$0.00	$11,728.26
B2	$990,142.00	5.5000000000%	5.5000000000%	$984,190.45	$4,510.87	$0.00	$0.00	$0.00	$4,510.87
B3	$792,113.00	5.5000000000%	5.5000000000%	$787,351.77	$3,608.70	$0.00	$0.00	$0.00	$3,608.70
B4	$594,085.00	5.5000000000%	5.5000000000%	$590,514.08	$2,706.52	$0.00	$0.00	$0.00	$2,706.52
B5	$594,084.89	5.5000000000%	5.5000000000%	$590,513.94	$2,706.52	$0.00	$0.00	$0.00	$2,706.52
R	$100.00	0.0000000000%	0.0000000000%	$0.00	$1.68	$0.00	$0.00	$0.00	$1.68

WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: AMAC.034
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
R_SYN	$0.00	0.0000000000%	0.0000000000%	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00
A10_ROUND	$8,500,000.00	0.0000000000%	0.0000000000%	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00
A11_ROUND	$4,250,000.00	0.0000000000%	0.0000000000%	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00
A12_ROUND	$3,250,000.00	0.0000000000%	0.0000000000%	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00
A13_ROUND	$4,000,000.00	0.0000000000%	0.0000000000%	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00
Total	$396,056,656.24			$259,580,827.66	$1,190,731.69	$0.00	$0.00	$0.00	$1,190,731.69

WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: AMAC.034
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
A1	$102,599,000.00	3.6250000000%	3.6250000000%	958.60942456	2.89579928	0.00000000	0.00000000	0.00000000	2.89579928
A2	$40,270,840.00	5.5000000000%	5.5000000000%	964.05055296	4.41856515	0.00000000	0.00000000	0.00000000	4.41856515
A3	$23,554,000.00	5.5000000000%	5.5000000000%	1,000.00000000	4.58333319	0.00000000	0.00000000	0.00000000	4.58333319
A4	$34,804,000.00	5.5000000000%	5.5000000000%	1,000.00000000	4.58333324	0.00000000	0.00000000	0.00000000	4.58333324
A5	$38,822,000.00	4.7500000000%	4.7500000000%	1,000.00000000	3.95833342	0.00000000	0.00000000	0.00000000	3.95833342
A6	$31,239,000.00	0.0000000000%	0.0000000000%	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000
A7	$3,970,000.00	0.0000000000%	0.0000000000%	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000
A8	$5,878,000.00	0.0000000000%	0.0000000000%	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000
A9	$16,749,000.00	0.0000000000%	0.0000000000%	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000
A10	$8,500,000.00	5.5000000000%	0.0000000000%	0.00000118	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000
A11	$4,250,000.00	0.0000000000%	0.0000000000%	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000
A12	$3,250,000.00	0.0000000000%	0.0000000000%	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000
A13	$4,000,000.00	0.0000000000%	0.0000000000%	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000
A14	$1,953,000.00	5.5000000000%	5.5000000000%	1,000.00000000	4.58333333	0.00000000	0.00000000	0.00000000	4.58333333
A15	$56,373,000.00	4.5000000000%	4.5000000000%	596.82409930	2.23809040	0.00000000	0.00000000	0.00000000	2.23809040
A16	$1,613,000.00	5.5000000000%	5.5000000000%	1,000.00000000	4.58333540	0.00000000	0.00000000	0.00000000	4.58333540
A17	$18,790,000.00	6.7250000000%	6.7250000000%	596.82409899	3.34470197	0.00000000	0.00000000	0.00000000	3.34470197
A18	$15,500,000.00	2.4750000000%	0.0000000000%	0.00000065	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000
A19	$4,000,000.00	0.0000000000%	0.0000000000%	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000
A20	$4,500,000.00	0.0000000000%	0.0000000000%	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000
A21	$18,790,000.00	1.7750000000%	1.7750000000%	596.82409899	0.88280255	0.00000000	0.00000000	0.00000000	0.88280255
A22	$3,867,439.00	5.5000000000%	5.5000000000%	1,000.00000000	4.58333279	0.00000000	0.00000000	0.00000000	4.58333279
AP	$557,502.35	0.0000000000%	0.0000000000%	961.72371291	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000
AX	$1,596,038.00	5.5000000000%	5.5000000000%	470.72811550	2.15750502	0.00000000	0.00000000	0.00000000	2.15750502
M	$5,742,822.00	5.5000000000%	5.5000000000%	993.98920252	4.55578460	0.00000000	0.00000000	0.00000000	4.55578460
B1	$2,574,368.00	5.5000000000%	5.5000000000%	993.98920046	4.55578223	0.00000000	0.00000000	0.00000000	4.55578223
B2	$990,142.00	5.5000000000%	5.5000000000%	993.98919549	4.55578089	0.00000000	0.00000000	0.00000000	4.55578089
B3	$792,113.00	5.5000000000%	5.5000000000%	993.98920356	4.55578939	0.00000000	0.00000000	0.00000000	4.55578939
B4	$594,085.00	5.5000000000%	5.5000000000%	993.98921030	4.55577906	0.00000000	0.00000000	0.00000000	4.55577906
B5	$594,084.89	5.5000000000%	5.5000000000%	993.98915869	4.55577990	0.00000000	0.00000000	0.00000000	4.55577990
R	$100.00	0.0000000000%	0.0000000000%	0.00000000	16.80000000	0.00000000	0.00000000	0.00000000	16.80000000

WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: AMAC.034
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
R_SYN	$0.00	0.0000000000%	0.0000000000%	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000
A10_ROUND	$8,500,000.00	0.0000000000%	0.0000000000%	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000
A11_ROUND	$4,250,000.00	0.0000000000%	0.0000000000%	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000
A12_ROUND	$3,250,000.00	0.0000000000%	0.0000000000%	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000
A13_ROUND	$4,000,000.00	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: AMAC 034
WEIGHTED AVERAGE PC RATE: 5.50456%
WEIGHTED AVERAGE MATURITY: 348.35656
WEIGHTED AVERAGE LOAN AGE: 9.51723
POOL NUMBER: 2069
ISSUE DATE: 03/31/2003
CERTIFICATE BALANCE AT ISSUE: $396,056,656.24
	TOTAL NUMBER OF MORTAGES	CERTIFICATE ACCOUNT ACTIVITY (@ PCRATE)	CERTIFICATE BALANCE OUTSTANDING
BALANCES FROM LAST FISCAL MONTH-END:	576		$259,580,827.66
PRINCIPAL POOL COLLECTION(S):
Scheduled Principal Collection Due Current Month		$269,093.03
Unscheduled Principal Collection/Reversals		$43,980.74
Liquidations-in-full	28	$12,982,803.92
Subsequent Recoveries		$0.00
Net principal Distributed		$13,295,877.69	-$13,295,877.69

CAPITAL LOSS (PRINCIPAL WRITTEN OFF):			$0.00

BALANCE CURRENT FISCAL MONTH-END:	548		$246,284,949.97

SCHEDULED INTEREST AT MORTGAGE RATE:		$1,328,005.94

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:		$137,274.25

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:		$14,486,609.38

WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
MASTER SERVICING
MORTGAGE PASS-THROUGH CERTIFICATES
10/2003 DISTRIBUTION REPORT
SERIES: AMAC 034
WEIGHTED AVERAGE PC RATE: 5.50456%
WEIGHTED AVERAGE MATURITY: 348.35656
WEIGHTED AVERAGE LOAN AGE: 9.51723
POOL NUMBER: ALL
ISSUE DATE: 03/31/2003
CERTIFICATE BALANCE AT ISSUE: $396,056,656.24
	TOTAL NUMBER OF MORTAGES	CERTIFICATE ACCOUNT ACTIVITY (@ PCRATE)	CERTIFICATE BALANCE OUTSTANDING
BALANCES FROM LAST FISCAL MONTH-END:	576		$259,580,827.66
PRINCIPAL POOL COLLECTION(S):
Scheduled Principal Collection Due Current Month		$269,093.03
Unscheduled Principal Collection/Reversals		$43,980.74
Liquidations-in-full	28	$12,982,803.92
Subsequent Recoveries		$0.00
Net principal Distributed		$13,295,877.69	-$13,295,877.69

CAPITAL LOSS (PRINCIPAL WRITTEN OFF):			$0.00

BALANCE CURRENT FISCAL MONTH-END:	548		$246,284,949.97

SCHEDULED INTEREST AT MORTGAGE RATE:		$1,328,005.94

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:		$137,274.25

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:		$14,486,609.38

WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: AMAC.034
Distribution Date: 10/27/2003

Distribution by Group
Pool ID		Principal		Interest		Total
Pool - 2069		$13,295,877.69		$1,190,731.69		$14,486,609.38
Aggregate		$13,295,877.69		$1,190,731.69		$14,486,609.38

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
Pool - 2069	$259,580,827.66	576	28	548	$246,284,949.97	$269,093.03	$12,982,803.92	$43,980.74	$13,295,877.69
Aggregate	$259,580,827.66	576	28	548	$246,284,949.97	$269,093.03	$12,982,803.92	$43,980.74	$13,295,877.69

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
Pool - 2069	6	$3,158,763.09	1	$283,295.07	1	$368,162.77	0	$0.00
Aggregate	6	$3,158,763.09	1	$283,295.07	1	$368,162.77	0	$0.00

Foreclosure and REO Information by Group
Pool ID		Foreclosure Count		Sched End Balance		REO Count		Sched End Balance
Pool - 2069		0		$0.00		0		$0.00
Aggregate		0		$0.00		0		$0.00

Aggregate Loss Amounts by Group
Pool ID			Count			Loss Amount
Group 1(2069)			0			$0.00
Aggregate			0			$0.00

WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: AMAC.034
Distribution Date: 10/27/2003

INSURANCE RESERVES - Group 1(2069)
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	$0.00	$0.00	$0.00	$0.00	$0.00
Bankruptcy Bond
Single-Units	$0.00	$0.00	$0.00	$0.00	$0.00
Multi-Units	$0.00	$0.00	$0.00	$0.00	$0.00
Mortgage Repurchase	$0.00	$0.00	$0.00	$0.00	$0.00

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	$0.00	$0.00	$0.00	$0.00	$0.00
Bankruptcy Bond
Single-Units	$0.00	$0.00	$0.00	$0.00	$0.00
Multi-Units	$0.00	$0.00	$0.00	$0.00	$0.00
Mortgage Repurchase	$0.00	$0.00	$0.00	$0.00	$0.00

WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: AMAC.034
Distribution Date: 10/27/2003

ABN AMRO MORT CORP MULTI CLASS MORT PASS THR CERT SER 2003-4 8-K