JEGE INC. JET AVIATION ST LOUIS, INC. (CUSTOMER NAME) Donna Cruthis ea (Authorized Signature) (Print Name) (Signature) (Print Name) Manager, MRO Modification (Date) (Title) (Date) Sales and Design (Title) Gulfstream G•550 SIN 5173 BC-JSTL WA Rev 01.01.17 JEGE INC. 15 April 18.2017 CPS0322132516