Exhibit 99(a)(4)

MONTHLY SERVICERS CERTIFICATE

(TO BE DELIVERED EACH MONTH PURSUANT TO SECTION 3.01(b)(i)

OF THE SERIES 2003-1
TRANSITION PROPERTY SERVICING AGREEMENT)

ONCOR ELECTRIC DELIVERY TRANSITION BOND COMPANY LLC,

Series 2003-1 Bonds

Oncor Electric Delivery Company LLC, as Servicer

Pursuant to the Series 2003-1
Transition Property Servicing Agreement dated as of August 21, 2003 (the Series 2003-1 Transition Property Servicing Agreement) between Oncor Electric Delivery Company LLC, as Servicer, and Oncor Electric Delivery Transition Bond
Company LLC, as Issuer, the Servicer does hereby certify as follows:

SERIES 2003-1 COLLECTION PERIOD: October 2010



|                            |  |                                                           |                 |  |                                         |   |              |                                                        |  |   |                                                           |  |  |   |              | 
|--------------------------- |  | --------------------------------------------------------- | --------------- |  | --------------------------------------- | - | ------------ | ------------------------------------------------------ |  | - | --------------------------------------------------------- |  |  | - | ------------ | 
|Customer Class              |  | a. Series 2003-1TransitionCharges inEffectAugust 27, 2010 |                 |  | b. Series 2003-1TransitionChargesBilled |   |              | c. ActualSeries
2003-1TransitionChargePaymentsReceived |  |   | d. Series
2003-1TransitionChargeRemittancesMade toTrustee | 
|Residential Service         |  | $                                                         | 0.000630 / kWh  |  |                                         | $ | 1,889,411.47 |                                                        |  | $ | 2,775,128.47                                              |  |  | $ | 2,775,128.47 | 
|General Service Secondary   |  |                                                           |                 |  |                                         | $ | 2,213,492.59 |                                                        |  | $ | 2,235,600.32                                              |  |  | $ | 2,235,600.32 | 
|Non-demand                  |  | $                                                         | 0.000172 / kWh  |  |                                         |   |              |                                                        |  |   |                                                           |  |  |   |              | 
|Demand                      |  | $                                                         | 0.188 / kW      |  |                                         |   |              |                                                        |  |   |                                                           |  |  |   |              | 
|General Service Primary     |  |                                                           |                 |  |                                         | $ | 277,122.99   |                                                        |  | $ | 280,179.12                                                |  |  | $ | 280,179.12   | 
|Non-demand                  |  | ($                                                        | 0.000201) / kWh |  |                                         |   |              |                                                        |  |   |                                                           |  |  |   |              | 
|Demand                      |  | $                                                         | 0.180 / kW      |  |                                         |   |              |                                                        |  |   |                                                           |  |  |   |              | 
|High Voltage Service        |  | $                                                         | 0.141 / kW      |  |                                         | $ | 158,031.46   |                                                        |  | $ | 133,799.35                                                |  |  | $ | 133,799.35   | 
|Lighting Service            |  | $                                                         | 0.000876 / kWh  |  |                                         | $ | 34,077.42    |                                                        |  | $ | 24,815.06                                                 |  |  | $ | 24,815.06    | 
|Instantaneous Interruptible |  | $                                                         | 0.106 / kW      |  |                                         | $ | 94,997.87    |                                                        |  | $ | 114,986.50                                                |  |  | $ | 114,986.50   | 
|Noticed Interruptible       |  | $                                                         | 0.195 / kW      |  |                                         | $ | 147,260.31   |                                                        |  | $ | 210,887.67                                                |  |  | $ | 210,887.67   | 
|                            |  |                                                           |                 |  |                                         |   |              |                                                        |  |   |                                                           |  |  |   |              | 
|Total                       |  |                                                           |                 |  |                                         | $ | 4,814,394.11 |                                                        |  | $ | 5,775,396.49                                              |  |  | $ | 5,775,396.49 | 



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Capitalized terms used herein have their respective meanings set forth in the Series 2003-1
Transition Property Servicing Agreement.

In WITNESS HEREOF, the undersigned has duly executed and delivered this Monthly
Servicers Certificate this 9th day of November 2010.



ONCOR ELECTRIC DELIVERY COMPANY LLC,as ServicerBy:

/s/ John M. CaseyName:

John M. CaseyTitle:

Vice President and Treasurer