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| Subject: | Confidentiality |
|----------|-----------------|

| Reference: | Purchase      Agreement No. 3219 between The Boeing Company and American Airlines, Inc.      relating to Model 787-923 Aircraft |
|------------|---------------------------------------------------------------------------------------------------------------------------------|

|   | a) | [CONFIDENTIAL PORTION OMITTED AND      FILED SEPARATELY WITH THE COMMISSION PURSUANT TO A REQUEST FOR      CONFIDENTIAL TREATMENT] |
|--------|----|------------------------------------------------------------------------------------------------------------------------------------|

|   | b) | [CONFIDENTIAL PORTION OMITTED AND      FILED SEPARATELY WITH THE COMMISSION PURSUANT TO A REQUEST FOR      CONFIDENTIAL TREATMENT] |
|--------|----|------------------------------------------------------------------------------------------------------------------------------------|

|   | c) | [CONFIDENTIAL PORTION OMITTED AND      FILED SEPARATELY WITH THE COMMISSION PURSUANT TO A REQUEST FOR      CONFIDENTIAL TREATMENT] |
|--------|----|------------------------------------------------------------------------------------------------------------------------------------|

|   | a) | [CONFIDENTIAL PORTION OMITTED AND      FILED SEPARATELY WITH THE COMMISSION PURSUANT TO A REQUEST FOR      CONFIDENTIAL TREATMENT]; |
|--------|----|-------------------------------------------------------------------------------------------------------------------------------------|

|   | b) | [CONFIDENTIAL PORTION OMITTED AND      FILED SEPARATELY WITH THE COMMISSION PURSUANT TO A REQUEST FOR      CONFIDENTIAL TREATMENT]; |
|--------|----|-------------------------------------------------------------------------------------------------------------------------------------|

|   | c) | [CONFIDENTIAL      PORTION OMITTED AND FILED SEPARATELY WITH THE  COMMISSION |
|--------|----|------------------------------------------------------------------------------|

| i)   | [CONFIDENTIAL      PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT TO A      REQUEST FOR CONFIDENTIAL TREATMENT] |
|----------------|------------------------------------------------------------------------------------------------------------------------------------|

| s)   | [CONFIDENTIAL PORTION OMITTED AND      FILED SEPARATELY WITH THE COMMISSION PURSUANT TO A REQUEST FOR      CONFIDENTIAL TREATMENT]; |
|----------------|-------------------------------------------------------------------------------------------------------------------------------------|

|   | t) | [CONFIDENTIAL PORTION OMITTED AND      FILED SEPARATELY WITH THE COMMISSION PURSUANT TO A REQUEST FOR      CONFIDENTIAL TREATMENT]; |
|--------|----|-------------------------------------------------------------------------------------------------------------------------------------|

|   | u) | [CONFIDENTIAL PORTION OMITTED AND      FILED SEPARATELY WITH THE COMMISSION PURSUANT TO A REQUEST FOR      CONFIDENTIAL TREATMENT]; |
|--------|----|-------------------------------------------------------------------------------------------------------------------------------------|

|   | v) | [CONFIDENTIAL PORTION OMITTED AND      FILED SEPARATELY WITH THE COMMISSION PURSUANT TO A REQUEST FOR      CONFIDENTIAL TREATMENT]; |
|--------|----|-------------------------------------------------------------------------------------------------------------------------------------|

|   | w) | [CONFIDENTIAL PORTION OMITTED AND      FILED SEPARATELY WITH THE COMMISSION PURSUANT TO A REQUEST FOR      CONFIDENTIAL TREATMENT]; |
|--------|----|-------------------------------------------------------------------------------------------------------------------------------------|

|   | x) | [CONFIDENTIAL PORTION OMITTED AND      FILED SEPARATELY WITH THE COMMISSION PURSUANT TO A REQUEST FOR      CONFIDENTIAL TREATMENT]; |
|--------|----|-------------------------------------------------------------------------------------------------------------------------------------|

|   | y) | [CONFIDENTIAL PORTION OMITTED AND      FILED SEPARATELY WITH THE COMMISSION PURSUANT TO A REQUEST FOR      CONFIDENTIAL TREATMENT]; |
|--------|----|-------------------------------------------------------------------------------------------------------------------------------------|

|   | z) | [CONFIDENTIAL PORTION OMITTED AND      FILED SEPARATELY WITH THE COMMISSION PURSUANT TO A REQUEST FOR      CONFIDENTIAL TREATMENT]; |
|--------|----|-------------------------------------------------------------------------------------------------------------------------------------|

|   | aa) | [CONFIDENTIAL PORTION OMITTED AND      FILED SEPARATELY WITH THE COMMISSION PURSUANT TO A REQUEST FOR      CONFIDENTIAL TREATMENT] |
|--------|-----|------------------------------------------------------------------------------------------------------------------------------------|

|   | bb) | [CONFIDENTIAL PORTION OMITTED AND      FILED SEPARATELY WITH THE COMMISSION PURSUANT TO A REQUEST FOR      CONFIDENTIAL TREATMENT] |
|--------|-----|------------------------------------------------------------------------------------------------------------------------------------|

| (a)   | [CONFIDENTIAL      PORTION OMITTED AND FILED |
|-----------------|----------------------------------------------|

|   | ; |
|--------|---|

|   | . |
|--------|---|

|   | (b) | [CONFIDENTIAL      PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT TO A      REQUEST FOR CONFIDENTIAL TREATMENT] |
|--------|-----|------------------------------------------------------------------------------------------------------------------------------------|

|   | . |
|--------|---|

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