Structured Asset Securities Corporation  Mortgage Pass-Through Certificates, Series
2003-3XS
Distribution Date:     08/25/2003
Record Date:           07/31/2003

Distribution Summary

DISTRIBUTION IN DOLLARS

                                             Prior         Pass-                                                                                     Current
                       Original              Principal     Through       Interest    Principal     Total          Deferred               Realized    Principal
Class                  Balance               Balance       Rate          Distributed Distributed   Distributed    Interest               Loss        Balance
(1)                    (2)                   (3)           (4)           (5)         (6)           (7)=(5+6)      (8)                    (9)         (10)=(3-6+8-9)

A1                     98,181,000.00         38,965,234.67 2.010000%     65,266.77   11,130,250.89 11,195,517.66  0.00                   0.00        27,834,983.78

A2                     26,156,000.00         26,156,000.00 3.420000%     74,544.60   0.00          74,544.60      0.00                   0.00        26,156,000.00

A3                     18,103,000.00         18,103,000.00 4.020000%     60,645.05   0.00          60,645.05      0.00                   0.00        18,103,000.00

A4                     24,675,000.00         24,675,000.00 4.870000%     100,139.38  0.00          100,139.38     0.00                   0.00        24,675,000.00

A5                     11,618,000.00         11,618,000.00 5.670000%     54,895.05   0.00          54,895.05      0.00                   0.00        11,618,000.00

A6                     75,000,000.00         75,000,000.00 4.590000%     286,875.00  0.00          286,875.00     0.00                   0.00        75,000,000.00

A7                     5,317,000.00          5,317,000.00  5.680000%     25,167.13   0.00          25,167.13      0.00                   0.00        5,317,000.00

A8                     28,784,000.00         28,784,000.00 4.730000%     113,456.93  0.00          113,456.93     0.00                   0.00        28,784,000.00

M1                     13,260,000.00         13,260,000.00 5.130000%     56,686.50   0.00          56,686.50      0.00                   0.00        13,260,000.00

M2                     6,240,000.00          6,240,000.00  5.330000%     27,716.00   0.00          27,716.00      0.00                   0.00        6,240,000.00

M3                     4,680,000.00          4,680,000.00  5.830000%     22,737.00   0.00          22,737.00      0.00                   0.00        4,680,000.00

P                      100.00                100.00        0.000000%     11,554.98   0.00          11,554.98      0.00                   0.00        100.00

X                      648.25                0.00          0.000000%     590,465.96  0.00          590,465.96     0.00                   0.00        0.00

R                      0.00                  0.00          0.000000%     0.00        0.00          0.00           0.00                   0.00        0.00

Totals                 312,014,748.25        252,798,334.67              1,490,150.3511,130,250.89 12,620,401.24  0.00                   0.00        230,747,983.78

Notional Classes

AIO                    109,205,162.00        49,922,360.00 5.000000%     208,009.83  0.00          208,009.83     0.00                   0.00        49,922,360.00

Distribution Summary (Factors)

PER $1,000 OF ORIGINAL BALANCE

                                             Prior                                                                                       Current
                                             Principal     Interest      Principal   Total         Deferred       Realized               Principal
                                                           Distributed
Class                  CUSIP                 Balance       (5/2 x 1000)  Distributed Distributed   Interest       Loss                   Balance
                                             (3/2 x 1000)                (6/2 x 1000)(7/2 x 1000)  (8/2 x 1000)   (9/2 x 1000)           (10/2 x
                                                                                                                                         1000)

A1                     86359AJW4             396.871438    0.664760      113.364611  114.029371    0.000000       0.000000               283.506827

A2                     86359AJX2             1,000.000000  2.850000      0.000000    2.850000      0.000000       0.000000               1,000.000000

A3                     86359AJY0             1,000.000000  3.350000      0.000000    3.350000      0.000000       0.000000               1,000.000000

A4                     86359AJZ7             1,000.000000  4.058334      0.000000    4.058334      0.000000       0.000000               1,000.000000

A5                     86359AKA0             1,000.000000  4.725000      0.000000    4.725000      0.000000       0.000000               1,000.000000

A6                     86359AKB8             1,000.000000  3.825000      0.000000    3.825000      0.000000       0.000000               1,000.000000

A7                     86359AKC6             1,000.000000  4.733333      0.000000    4.733333      0.000000       0.000000               1,000.000000

A8                     86359AKD4             1,000.000000  3.941667      0.000000    3.941667      0.000000       0.000000               1,000.000000

M1                     86359AKF9             1,000.000000  4.275000      0.000000    4.275000      0.000000       0.000000               1,000.000000

M2                     86359AKG7             1,000.000000  4.441667      0.000000    4.441667      0.000000       0.000000               1,000.000000

M3                     86359AKH5             1,000.000000  4.858333      0.000000    4.858333      0.000000       0.000000               1,000.000000

P                                            1,000.000000  115,549.8000000.000000    115,549.8000000.000000       0.000000               1,000.000000

X                                            0.000000      910,861.4886230.000000    910,861.4886230.000000       0.000000               0.000000

AIO                    86359AKE2             457.142859    1.904762      0.000000    1.904762      0.000000       0.000000               457.142859

Interest Distribution
Detail

DISTRIBUTION IN DOLLARS

                       Prior                 Pass-         Optimal       Prior       Non-Recov                                                       Current
                       Principal             Through       Accrued       Unpaid      Interest      Interest       Deferred               Interest    Unpaid
                                                                                                                                         Distributed
Class                  Balance               Rate          Interest      Interest    Shortfall     Due            Interest               (9)         Interest
(1)                    (2)                   (3)           (4)           (5)         (6)           (7)=(4)+(5)-(6)(8)                                (10)=(7)-(8)-(9)

A1                     38,965,234.67         2.010000%     65,266.77     0.00        0.00          65,266.77      0.00                   65,266.77   0.00

A2                     26,156,000.00         3.420000%     74,544.60     0.00        0.00          74,544.60      0.00                   74,544.60   0.00

A3                     18,103,000.00         4.020000%     60,645.05     0.00        0.00          60,645.05      0.00                   60,645.05   0.00

A4                     24,675,000.00         4.870000%     100,139.38    0.00        0.00          100,139.38     0.00                   100,139.38  0.00

A5                     11,618,000.00         5.670000%     54,895.05     0.00        0.00          54,895.05      0.00                   54,895.05   0.00

A6                     75,000,000.00         4.590000%     286,875.00    0.00        0.00          286,875.00     0.00                   286,875.00  0.00

A7                     5,317,000.00          5.680000%     25,167.13     0.00        0.00          25,167.13      0.00                   25,167.13   0.00

A8                     28,784,000.00         4.730000%     113,456.93    0.00        0.00          113,456.93     0.00                   113,456.93  0.00

M1                     13,260,000.00         5.130000%     56,686.50     0.00        0.00          56,686.50      0.00                   56,686.50   0.00

M2                     6,240,000.00          5.330000%     27,716.00     0.00        0.00          27,716.00      0.00                   27,716.00   0.00

M3                     4,680,000.00          5.830000%     22,737.00     0.00        0.00          22,737.00      0.00                   22,737.00   0.00

P                      100.00                0.000000%     11,554.98     0.00        0.00          11,554.98      0.00                   11,554.98   0.00

X                      0.00                  0.000000%     590,465.96    0.00        0.00          590,465.96     0.00                   590,465.96  0.00

R                      0.00                  0.000000%     0.00          0.00        0.00          0.00           0.00                   0.00        0.00

  Totals               252,798,334.67                      1,490,150.35  0.00        0.00          1,490,150.35   0.00                   1,490,150.350.00

Notional Classes

AIO                    49,922,360.00         5.000000%     208,009.83    0.00        0.00          208,009.83     0.00                   208,009.83  0.00

Principal Distribution
Detail

DISTRIBUTION IN DOLLARS

                                             Prior                                   Current       Current        Current                Cumulative
                       Original              Principal     Principal     Accreted    Realized      Principal      Principal              Realized
Class                  Balance               Balance       Distribution  Principal   Losses        Recoveries     Balance                Losses
(1)                    (2)                   (3)           (4)           (5)         (6)           (7)            (8)=(3)-(4)+(5)-(6)+(7)(9)

A1                     98,181,000.00         38,965,234.67 11,130,250.89 0.00        0.00          0.00           27,834,983.78          0.00

A2                     26,156,000.00         26,156,000.00 0.00          0.00        0.00          0.00           26,156,000.00          0.00

A3                     18,103,000.00         18,103,000.00 0.00          0.00        0.00          0.00           18,103,000.00          0.00

A4                     24,675,000.00         24,675,000.00 0.00          0.00        0.00          0.00           24,675,000.00          0.00

A5                     11,618,000.00         11,618,000.00 0.00          0.00        0.00          0.00           11,618,000.00          0.00

A6                     75,000,000.00         75,000,000.00 0.00          0.00        0.00          0.00           75,000,000.00          0.00

A7                     5,317,000.00          5,317,000.00  0.00          0.00        0.00          0.00           5,317,000.00           0.00

A8                     28,784,000.00         28,784,000.00 0.00          0.00        0.00          0.00           28,784,000.00          0.00

M1                     13,260,000.00         13,260,000.00 0.00          0.00        0.00          0.00           13,260,000.00          0.00

M2                     6,240,000.00          6,240,000.00  0.00          0.00        0.00          0.00           6,240,000.00           0.00

M3                     4,680,000.00          4,680,000.00  0.00          0.00        0.00          0.00           4,680,000.00           0.00

P                      100.00                100.00        0.00          0.00        0.00          0.00           100.00                 0.00

X                      648.25                0.00          0.00          0.00        0.00          0.00           0.00                   0.00

R                      0.00                  0.00          0.00          0.00        0.00          0.00           0.00                   0.00

  Totals               307,334,000.00        252,798,334.6711,130,250.89 865,392.41  11,130,250.89 0.00           241,668,083.78         0.00

Collateral Summary

ASSET CHARACTERISTICS

                       Cut-Off               Prior         Current

Aggregate Stated
Principal Balance      312,014,748.25        252,798,982.92241,668,083.78

Loan Count             1,578                 1,353         1,308

Weighted Average Coupon
Rate (WAC)             8.012157%             8.002002%     N/A

Net Weighted Average
Coupon Rate (Net WAC)  7.762157%             7.741637%     N/A

Weighted Average
Maturity (WAM in       356                   350           349
months)

AVAILABLE PRINCIPAL    AVAILABLE INTEREST

Scheduled Interest     1,685,747.98
Curtailments           50,999.15
Less:                  Servicing Fees        52,666.57
Insurance Fees         2,183.47
Uncompensated PPIS     0.00
Relief Act Shortfall   689.10
Other Interest
Reductions             0.00
TOTAL AVAILABLE
PRINCIPAL              75,691.00
TOTAL AVAILABLE
INTEREST               1,630,208.84
Current Realized Losses0.00
Cumulative Realized
Losses                 0.00

Delinquency Information

Less Than
30 Days                30-59 Days            60-89 Days    90+ Days      Totals

Delinquency

Scheduled Principal
Balance                4,998,969.82          2,683,462.81  1,919,536.06  9,601,968.69
Percentage of Total
Pool Balance           2.0685%               1.1104%       0.7943%       3.9732%
Number of Loans        25                    13            14            52

Percentage of Total
Loans                  1.9113%               0.9939%       1.0703%       3.9755%
Bankruptcy

Scheduled Principal
Balance                852,020.77            111,327.98    0.00          240,858.00  1,204,206.75
Percentage of Total
Pool Balance           0.3526%               0.0461%       0.0000%       0.0997%     0.4983%

Number of Loans        7                     1             0             3           11
Percentage of Total
Loans                  0.5352%               0.0765%       0.0000%       0.2294%     0.8410%

Foreclosure

Scheduled Principal
Balance                                      0.00          87,127.89     4,838,401.814,925,529.70
Percentage of Total Pool Balance             0.0000%       0.0361%       2.0021%     2.0381%

Number of Loans                              0             1             18          19
Percentage of Total
Loans                                        0.0000%       0.0765%       1.3761%     1.4526%

REO

Scheduled Principal
Balance                                      0.00          0.00          0.00        0.00
Percentage of Total Pool Balance             0.0000%       0.0000%       0.0000%     0.0000%

Number of Loans                              0             0             0           0
Percentage of Total
Loans                                        0.0000%       0.0000%       0.0000%     0.0000%

Total

Scheduled Principal
Balance                852,020.77            5,110,297.80  2,770,590.70  6,998,795.8715,731,705.14
Percentage of Total
Pool Balance           0.3526%               2.1146%       1.1464%       2.8960%     6.5096%

Number of Loans        7                     26            14            35          82
Percentage of Total
Loans                  0.5352%               1.9878%       1.0703%       2.6758%     6.2691%

Principal and Interest
Advances               1,490,178.51

Other Information

Any Certificates
reflect the applicationNo
of the Net Funds Cap?

Net Funds Cap          7.015600%
Purchase Price Premiums55,748.11

Aggregate
Overcollateralization  0.00
Release Amount

CONTACT INFORMATION    CONTENTS

Distribution Summary   2
Depositor              Structured Asset
                       Securities Corporation
Distribution Summary
(Factors)              2

New York, NY  10019
Interest Distribution  2
Underwriter            Lehman Brothers
745 Seventh Avenue, 7th
Floor
Principal Distribution 2
New York, NY  10019

Collateral Summary     2
2530 South Parker Road, Suite 601

Delinquency Information2

Trustee                Citibank, N.A.
Other Information      2

New York, NY  10005

Deal Contact:          Karen Schluter        Citibank, N.A.
karen.schluter@citi.com                      Agency and
                                             Trust
                                             111 Wall
Tel: (212) 657-7781                          Street, 14th
                                             Floor, Zone 3
Fax: (212) 657-4009                          New York, NY
                                             10005

Page 1 of 1             Reports Available at (c) Copyright
                       www.sf.citidirect.com 2003 Citigroup

STRUCTURED ASSET SEC CORP MORT BACK PS THR CERT SER 2003-3XS 8-K