Structured Asset Securities Corp. Mortgage  Pass Through Certificates, Series
2003-23H
Distribution Date:     10/27/2003
Record Date:           09/30/2003

Distribution Summary

DISTRIBUTION IN DOLLARS

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

A1                     193,632,000.00        179,659,629.005.500000%     823,439.97 4,690,615.815,514,055.78   0.00                   0.00        174,969,013.19

APO1                   222,149.00            209,234.53    0.000000%     0.00       268.45      268.45         0.00                   0.00        208,966.08

A2                     21,157,000.00         19,996,116.01 4.500000%     74,985.44  275,092.79  350,078.23     0.00                   0.00        19,721,023.22

B1I                    1,990,000.00          1,984,464.62  5.500000%     9,095.46   1,868.49    10,963.95      0.00                   0.00        1,982,596.13

B1II                   547,000.00            545,507.71    5.691704%     2,587.39   503.31      3,090.70       0.00                   0.00        545,004.40

B2I                    1,095,000.00          1,091,954.16  5.500000%     5,004.79   1,028.14    6,032.93       0.00                   0.00        1,090,926.02

B2II                   257,000.00            256,298.87    5.691704%     1,215.65   236.47      1,452.12       0.00                   0.00        256,062.40

B3                     576,000.00            574,402.42    5.528749%     2,646.44   539.20      3,185.64       0.00                   0.00        573,863.22

B4                     554,000.00            552,463.43    5.528749%     2,545.36   518.61      3,063.97       0.00                   0.00        551,944.82

B5                     443,000.00            441,771.30    5.528749%     2,035.37   414.70      2,450.07       0.00                   0.00        441,356.60

B6                     886,162.00            883,704.26    5.528749%     4,071.48   829.55      4,901.03       0.00                   0.00        882,874.71

R                      100.00                0.00          5.500000%     0.00       0.00        0.00           0.00                   0.00        0.00

Totals                 221,359,411.00        206,195,546.31              927,627.35 4,971,915.525,899,542.87   0.00                   0.00        198,773,591.44

Notional Classes

AIO1                   122,962,577.00        111,485,051.741.000000%     92,904.42  0.00        92,904.42      0.00                   0.00        108,261,888.89

AIO2                   25,274,945.00         23,829,459.75 1.000000%     19,857.93  0.00        19,857.93      0.00                   0.00        23,320,832.25

Totals                 148,237,522.00        135,314,511.49              112,762.35 0.00        112,762.35     0.00                   0.00        0.00

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)  DistributedDistributed Interest       Loss                   Balance
                                             (3/2 x 1000)                (6/2 x     (7/2 x 1000)(8/2 x 1000)   (9/2 x 1000)           (10/2 x
                                                                         1000)                                                        1000)

A1                     86359AB93             927.840589    4.252603      24.224383  28.476986   0.000000       0.000000               903.616206

APO1                   86359AC35             941.865730    0.000000      1.208423   1.208423    0.000000       0.000000               940.657307

A2                     86359AC43             945.130028    3.544238      13.002448  16.546686   0.000000       0.000000               932.127580

B1I                    86359AC68             997.218402    4.570583      0.938940   5.509523    0.000000       0.000000               996.279462

B1II                   86359AC84             997.271865    4.730146      0.920128   5.650274    0.000000       0.000000               996.351737

B2I                    86359AC76             997.218411    4.570584      0.938941   5.509525    0.000000       0.000000               996.279470

B2II                   86359AC92             997.271868    4.730156      0.920117   5.650272    0.000000       0.000000               996.351751

B3                     86359AD26             997.226424    4.594514      0.936111   5.530625    0.000000       0.000000               996.290313

B4                     86359AD42             997.226408    4.594513      0.936119   5.530632    0.000000       0.000000               996.290289

B5                     86359AD59             997.226411    4.594515      0.936117   5.530632    0.000000       0.000000               996.290293

B6                     86359AD67             997.226534    4.594510      0.936116   5.530625    0.000000       0.000000               996.290419

R                      86359AD34             0.000000      0.000000      0.000000   0.000000    0.000000       0.000000               0.000000

AIO1                   86359AC27             906.658387    0.755550      0.000000   0.755550    0.000000       0.000000               880.445836

AIO2                   86359AC50             942.809559    0.785676      0.000000   0.785676    0.000000       0.000000               922.685776

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                     179,659,629.00        5.500000%     823,439.97    0.00       0.00        823,439.97     0.00                   823,439.97  0.00

APO1                   209,234.53            0.000000%     0.00          0.00       0.00        0.00           0.00                   0.00        0.00

A2                     19,996,116.01         4.500000%     74,985.44     0.00       0.00        74,985.44      0.00                   74,985.44   0.00

B1I                    1,984,464.62          5.500000%     9,095.46      0.00       0.00        9,095.46       0.00                   9,095.46    0.00

B1II                   545,507.71            5.691704%     2,587.39      0.00       0.00        2,587.39       0.00                   2,587.39    0.00

B2I                    1,091,954.16          5.500000%     5,004.79      0.00       0.00        5,004.79       0.00                   5,004.79    0.00

B2II                   256,298.87            5.691704%     1,215.65      0.00       0.00        1,215.65       0.00                   1,215.65    0.00

B3                     574,402.42            5.528749%     2,646.44      0.00       0.00        2,646.44       0.00                   2,646.44    0.00

B4                     552,463.43            5.528749%     2,545.36      0.00       0.00        2,545.36       0.00                   2,545.36    0.00

B5                     441,771.30            5.528749%     2,035.37      0.00       0.00        2,035.37       0.00                   2,035.37    0.00

B6                     883,704.26            5.528749%     4,071.48      0.00       0.00        4,071.48       0.00                   4,071.48    0.00

R                      0.00                  5.500000%     0.00          0.00       0.00        0.00           0.00                   0.00        0.00

  Totals               206,195,546.31                      927,627.35    0.00       0.00        927,627.35     0.00                   927,627.35  0.00

Notional Classes

AIO1                   111,485,051.74        1.000000%     92,904.42     0.00       0.00        92,904.42      0.00                   92,904.42   0.00

AIO2                   23,829,459.75         1.000000%     19,857.93     0.00       0.00        19,857.93      0.00                   19,857.93   0.00

  Totals               135,314,511.49                      112,762.35    0.00       0.00        112,762.35     0.00                   112,762.35  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                     193,632,000.00        179,659,629.004,690,615.81  0.00       0.00        0.00           174,969,013.19         0.00

APO1                   222,149.00            209,234.53    268.45        0.00       0.00        0.00           208,966.08             0.00

A2                     21,157,000.00         19,996,116.01 275,092.79    0.00       0.00        0.00           19,721,023.22          0.00

B1I                    1,990,000.00          1,984,464.62  1,868.49      0.00       0.00        0.00           1,982,596.13           0.00

B1II                   547,000.00            545,507.71    503.31        0.00       0.00        0.00           545,004.40             0.00

B2I                    1,095,000.00          1,091,954.16  1,028.14      0.00       0.00        0.00           1,090,926.02           0.00

B2II                   257,000.00            256,298.87    236.47        0.00       0.00        0.00           256,062.40             0.00

B3                     576,000.00            574,402.42    539.20        0.00       0.00        0.00           573,863.22             0.00

B4                     554,000.00            552,463.43    518.61        0.00       0.00        0.00           551,944.82             0.00

B5                     443,000.00            441,771.30    414.70        0.00       0.00        0.00           441,356.60             0.00

B6                     886,162.00            883,704.26    829.55        0.00       0.00        0.00           882,874.71             0.00

R                      100.00                0.00          0.00          0.00       0.00        0.00           0.00                   0.00

  Totals               219,476,149.00        206,195,546.314,971,915.52  918,975.14 4,970,152.660.00           201,223,630.79         0.00

Collateral Summary -
Group 1

ASSET CHARACTERISTICS

                       Cut-Off               Prior         Current

Aggregate Stated
Principal Balance      199,029,639.36        185,029,858.03180,334,114.40

Loan Count             1,520                 1,436         1,407

Weighted Average Coupon
Rate (WAC)             6.898940%             6.880139%     N/A

Net Weighted Average
Coupon Rate (Net WAC)  6.642440%             6.096305%     N/A

Weighted Average
Maturity (WAM in       357                   349           348
months)

AVAILABLE PRINCIPAL    AVAILABLE INTEREST

PO Principal           Total Principal
Scheduled Interest     1,060,859.47
22.85                  21,804.41
Less:                  Master Servicing Fees 0.00
Sub Servicing Fees     38,547.89
Trustee Fees           1,002.15
Insurance Fees         81,310.54
Uncompensated PPIS     0.00
Relief Act Shortfall   0.00
Other Interest
Reductions             0.00
0.00                   0.00
TOTAL AVAILABLE
INTEREST               939,998.89

Collateral Summary -
Group 2

ASSET CHARACTERISTICS

                       Cut-Off               Prior         Current

Aggregate Stated
Principal Balance      22,329,773.09         21,165,689.61 20,889,517.72

Loan Count             130                   123           122

Weighted Average Coupon
Rate (WAC)             6.684240%             6.686239%     N/A

Net Weighted Average
Coupon Rate (Net WAC)  6.302740%             5.691704%     N/A

Weighted Average
Maturity (WAM in       360                   353           352
months)

AVAILABLE PRINCIPAL    AVAILABLE INTEREST

Scheduled Interest     117,932.42
Curtailments           1,353.70
Less:                  Master Servicing Fees 0.00
Sub Servicing Fees     6,614.21
Insurance Fees         10,812.75
Trustee Fees           114.65
Uncompensated PPIS     0.00
Relief Act Shortfall   0.00
Other Interest
Reductions             0.00
Current Realized Losses0.00
TOTAL AVAILABLE
INTEREST               100,390.81

Delinquency Information

 GROUP 1

                       1 Month               2 Months      3+ Months     Totals

Delinquency

Scheduled Principal
Balance                205,166.13            0.00          0.00          205,166.13
Percentage of Total
Pool Balance           0.1138%               0.0000%       0.0000%       0.1138%
Number of Loans        2                     0             0             2

Percentage of Total
Loans                  0.1421%               0.0000%       0.0000%       0.1421%
Bankruptcy

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%

Foreclosure

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%

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                                      205,166.13    0.00          0.00       205,166.13
Percentage of Total Pool Balance             0.1138%       0.0000%       0.0000%    0.1138%

Number of Loans                              2             0             0          2
Percentage of Total
Loans                                        0.1421%       0.0000%       0.0000%    0.1421%

Principal and Interest
Advances               779,134.86

Delinquency Information

 GROUP 2

                       1 Month               2 Months      3+ Months     Totals

Delinquency

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%
Bankruptcy

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%

Foreclosure

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%

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                                      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%

Principal and Interest
Advances               83,646.35

Other Information

          Current
Bankruptcy Loss        0.00
          Cumulative
Bankruptcy Loss        0.00
          Remaining
Bankruptcy Loss Limit  132,662.82

          Current Fraud
Loss                   0.00
          Cumulative
Fraud Loss             0.00
          Remaining
Fraud Loss Limit       2,213,594.12

          Current
Special Hazard Loss    0.00
Limit
          Cumulative
Special Hazard Loss    0.00
Limit
          Remaining
Special Hazard Loss    2,213,594.12
Limit

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     1
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

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                       www.sf.citidirect.com 2003 Citigroup

STRUCTURED ASSET SECURITIES CORP SERIES 2003-23H 8-K