EXHIBIT 10.3 Mars 27, 2019 Christian Boas XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXxx Emile Boas XXXXXXXXXXXXXXXXXXXxx Dreda / Sylvie Boas Boas XXXXXXXXXXXXXXXXXXXXXXXX RE : prolongation de la longue date d`arrêt pour la vente et l`achat des actions de S.R.I.F. NV, Monsieur/Madame, nous renvoyons à l`accord sur la vente et l`achat des actions de S.R.I.F. NV sous Christian Boas, Emile Boas, Dr Expo 99.1 Bombardier et Spirit AeroSystems Modifier les conditions d`achat, réduire le prix d`achat net à 275 millions de dollars et s`attendre à ce qu`ils ferment le 30 octobre, 2020 WICHITA, Kan., 26 octobre 2020 – Spirit AeroSystems Holdings, Inc. (NYSE:SPR) (la « société ») a annoncé aujourd`hui qu`il y avait un changement (le « changement ») de l`accord final entre Spirit AeroSystems, Inc. (« Spirit » Exhibit 99.1 Spirit AeroSystems Holdings) 3801s Inc. Oliver ita , KS 67210 www.spiritaero.com Spirit AeroSystems Announces Third Quarter 2020 Results -Mutual Ended Acquisition of Asco for $420 Million in September 2020 – Loans Repaid for 4 $0 million in the third quarter as part of the 2018 Credit Facility – raised $900 million on the first secured bonds and terminated the 2018 o Exhibit 99.1 Aero SpiritSystems Holdings, Inc. facility. 3801 pp. Oliver Wichita, KS 67210 www.spiritaero.com Spirit AeroSystems announces solid results for the 1st. Quarter 2019 – Revenues of $2.0 billion, plus 13% y/y – earnings per share (EPS) of $1.55, plus 41% y/y; Adjusted EPS of $1.68, 53% y/y – cash from operating activities of $242 million, a change to 45% y/y; 209 million adjusted net cash flows USD, 77% y/y – Obtaining conditional c In the event that rights may be exercised, any holder of a right (with a person or acquiring group whose rights are null and void and cannot be exercised) has the right to acquire a certain number of Spirit shares with a market value equal to twice the purchase price, subject to payment of the exercise price and in accordance with the terms of the agreement. In addition, any holder of the right to acquire 50% or more of Spirit`s common shares in a merger or other business combination would have a series of common shares of the acquired person with a market value of double the exercise price if Spirit is acquired in a merger or other business combination. The person or group acquiring would not be allowed to exercise these rights.

Figure 99.1 Spirit AeroSystems Holdings, Inc.