Common use of Letter Agreement No Clause in Contracts

Letter Agreement No. UAL-PA-04761-LA-l801478 is deleted in its entirety and replaced with Letter Agreement Nx. XXX-XX-00000-XX-x000000X0 titled “Delivery *** Matters” (identified by “SA-6”) to ***. BOEING / UNITED AIRLINES, INC. PROPRIETARY

Letter Agreement No. UAL-PA-04761-LA-l801478 LA-1807420 is deleted in its entirety and replaced with Letter Agreement NxNo. XXXUAL-XX-00000PA-04761-XX-x000000X0 LA-1807420R1 titled “Delivery 737-*** Mattersand 737-*** Aircraft ***” (identified by “SA-6”) to ***. BOEING / UNITED AIRLINES, INC. PROPRIETARY.

Letter Agreement No. UAL-PA-04761-LA-l801478 LA-1801478R1 is deleted in its entirety and replaced with Letter Agreement NxNo. XXXUAL-XX-00000PA-04761-XX-x000000X0 LA-1801478R2 titled “Delivery *** Matters” (identified by “SA-6”) to reflect certain delivery *** rights for the 737-*. BOEING / UNITED AIRLINES, INC. PROPRIETARY** Aircraft.

Letter Agreement No. UAL-PA-04761-LA-l801478 l801469 is deleted in its entirety and replaced with Letter Agreement Nx. XXX-XX-00000-XX-x000000X0 titled “Delivery *** Matters*” (identified by “SA-6SA-5”) to extend applicability of this letter agreement to *** 737-*. BOEING / UNITED AIRLINES, INC. PROPRIETARY** aircraft.

Letter Agreement No. UAL-PA-04761-LA-l801478 LA-1807022R3 is deleted in its entirety and replaced with Letter Agreement NxNo. XXXUAL-XX-00000PA-04761-XX-x000000X0 LA-1807022R4 titled “Delivery *** MattersAircraft – 737-10” (identified by “SA-6SA-5”) to reflect Customer’s **** Aircraft. UAL-PA-04761 SA-5, Page 3 BOEING / UNITED AIRLINES, INC. PROPRIETARY

Letter Agreement No. UAL-PA-04761-LA-l801478 LA-1801463R3 is deleted in its entirety and replaced with Letter Agreement NxNo. XXXUAL-XX-00000PA-04761-XX-x000000X0 LA-1801463R4 titled “Delivery *** Matters” (identified by “SA-6”) to reflect the addition of the SA-11 Aircraft to the ***. BOEING / UNITED AIRLINES, INC. PROPRIETARY.

Letter Agreement No. UAL-PA-04761-LA-l801478 l807022R5 is deleted in its entirety and replaced with Letter Agreement NxXx. XXX-XX-00000-XX-x000000X0 titled “Delivery *** MattersAircraft-737-***” (identified by “SA-6SA-10”) to reflect ***. BOEING / UNITED AIRLINES, INC. PROPRIETARY.

Letter Agreement No. UAL-PA-04761-LA-l801478 l801463R1 is deleted in its entirety and replaced with Letter Agreement NxNo. XXXUAL-XX-00000PA-04761-XXLA-x000000X0 titled l801463R2 entitled “Delivery *** Matters” (identified by “SA-6SA-4”) to provide Customer with certain ***. UAL-PA-04761 SA-4, Page 1 BOEING / UNITED AIRLINES, INC. PROPRIETARY