Amendment 51 to Special Business Provisions (SBP) BCA-MS ###-###-####, dated January 4, 2023, by and between Spirit AeroSystems, Inc. and The Boeing Company

NOW THEREFORE, the Parties agree as follows:

1.The list of “AMENDMENTS” within the SBP is hereby deleted and replaced in its entirety as follows:

“AMENDMENTS

Amendment Number			Description			Effective Date			Approval
1			Revise Company name from Mid-Western Aircraft Systems Incorporated to Spirit AeroSystems throughout document. Update Attachments 1, 2, 4, 14 and 16.			2/23/2006			H. McCormick R. Stone
2			Incorporate CCNs as listed in Amendment 2 Attachment A, includes addition of new section 12.19, modification to sections 3.4.9, 12.16 and 32.0. Updates to Attachments 1, 2, 6, 7, 15, 16, 19 and 20.			4/11/2007			H. McCormick J. Edwards
3			Incorporate CCNs as listed in Amendment 3, Attachment A. Updates to Attachments 1, 2, 7, 14, 15, 16 and 22.			11/28/2007			H. McCormick J. Edwards
4			Incorporate CCNs as listed in Amendment 4, Attachment A. Updates to Attachments 1, 2, 7, 14, 15, 16. Incorporate Attachment 1A per CCN 508, 1328.			7/8/2008			S. Hu W. Wallace
5			Incorporate CCNs as listed in Amendment 5, Attachment A, includes addition of new section 12.3.1.1 Updates to Attachments 1, 2, 7, 14, 15, 16 and 20.			6/22/2009			S. Hu R. Stone
6			Incorporate CCNs as listed in Amendment 6, Attachment A. Updates to Attachments 1, 2, 4, 7, 9, 10, 14 and 16. Incorporate Attachment 9 per CCN 2385.			11/23/2010			S. Hu M. Milan
7			Incorporate CCNs as listed in Amendment 7, Attachment A, includes addition of new section 12.13.3.1. Updates to Attachments 1, 2, 4, 7, 9, 14 and 16. Incorporate Attachment 1B per CCN 4212 and Attachment 23 per the 767-2C MOA.			7/28/2011			S. Hu M. Milan
8			Incorporate CCNs as listed in Amendment 8, Attachment A, includes revisions to section 7.9 and 12.13.1.1. Updates to Attachments 1, 2, 4, 7, 9, 14, 15 and 16.			8/16/2013			C. Howell M. Milan
9			Incorporate Attachment 25 - 737 Max Titanium Inner Wall Agreement.			9/4/2014			E. Flagel M. Milan
10			Incorporate Attachment 26-737 Derailment.			9/2/2014			B. Folden R. Ast
11			Incorporate Attachment 27 -737-MAX Non-Recurring Agreement, and Attachment 28 737/747/767/777 Pricing Agreement. Updates Section 4.1, Attachment 4, Section B.1, Attachments 9 and 15			3/10/2015			C. Howell R. Ast
12			Delete and replace Attachment 25, Section 3.0.			4/9/2015			K. Drawsky R. Ast
13			Incorporate CCNs as listed in Amendment 13, Attachment A. Updates to Attachments 1, 2, 7, 9, 14, and 16.			1/4/2016			L. Taylor K. Leyba
14			Incorporate Attachment 25, Addendum 1.			4/21/2015			D. Blaylock R. Grant
15			NULL			NULL			NULL
16			NULL			NULL			NULL
17			Incorporate Attachment 29, 777X Non-Recurring Agreement.			12/23/2015			A. Lucker E. Bauer
18			NULL			NULL			NULL
19			NULL			NULL			NULL
20			737 MAX Inner Wall.			12/17/2015			S. Garcia-Deleone J.Reed
21			Revisions to Attachment 27, 737 MAX Non-Recurring Agreement.			5/9/2016			D. Blaylock R. Grant
22			737 MAX Composite Inner Wall Line Movement.			11/2/2016			D. Blaylock E. Bossler

”

To assist Boeing in its marketing and sales opportunities for units unsold as of [*****], Seller agreed to provide a discount of [*****] on each of Boeing’s unsold 777 300ER, 200LR, and 200F aircraft to be built and delivered by Seller to Boeing with the aggregate discount not to exceed [*****]. The Parties agree Boeing will be paid the full discount value of [*****], of which Seller has already paid to Boeing [*****] as of [*****]. The remaining unpaid balance due to Boeing is [*****] and will be paid by [*****]. For the purpose of administrative convenience, the discounts shall be paid by Seller in increments as defined below:

• $[*****] to be paid on or about [*****]

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• $[*****] to be paid on or about [*****]

• $[*****] to be paid on or about [*****]

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