UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

(Rule 14a-101)

SCHEDULE 14A INFORMATION

Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934

(Amendment No.      )

Filed by the Registrant    x

Filed by a Party other than the Registrant    o

Check the appropriate box:

o Preliminary Proxy Statement

o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

o Definitive Proxy Statement

x Definitive Additional Materials

o Soliciting Material under §240.14a-12

HEXCEL CORPORATION

(Name of Registrant as Specified In Its Charter)

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

Payment of Filing Fee (Check all boxes that apply):

x No fee required.

o Fee paid previously with preliminary materials.

o Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11.

HEXCEL CORPORATION ATTN: KURT GODDARD 2 STAMFORD PLAZA 281 TRESSER BLVD., 16TH FLOOR STAMFORD, CT 06901-3261	Your Vote Counts! HEXCEL CORPORATION 2022 Annual Meeting Vote by May 4, 2022, 11:59 PM EDT For shares held in Hexcel’s 401(k) plan or employee stock purchase plan, vote by May 2, 2022, 10:30 AM EDT
D72770-P67807-Z81923

You invested in HEXCEL CORPORATION and it’s time to vote!
You have the right to vote on proposals being presented at the Annual Meeting. This is an important notice regarding the availability of proxy material for the stockholder meeting to be held on May 5, 2022.

Get informed before you vote
View the Notice and Proxy Statement and Annual Report online OR you can receive a free paper or email copy of the material(s) by requesting prior to April 21, 2022. If you would like to request a copy of the material(s) for this and/or future stockholder meetings, you may (1) visit www.ProxyVote.com, (2) call 1-800-579-1639 or (3) send an email to sendmaterial@proxyvote.com. If sending an email, please include your control number (indicated below) in the subject line. Unless requested, you will not otherwise receive a paper or email copy.

	For complete information and to vote, visit www.ProxyVote.com
	Control #

Smartphone users Point your camera here and vote without entering a control number		Vote Virtually at the Meeting* May 5, 2022 10:30 AM EDT
	Virtually at: www.virtualshareholdermeeting.com/HXL2022

*Please check the meeting materials for any special requirements for meeting attendance. V1.1

Vote at www.ProxyVote.com

THIS IS NOT A VOTABLE BALLOT

This is an overview of the proposals being presented at the upcoming stockholder meeting. Please follow the instructions on the reverse side to vote these important matters.

Voting Items		Board Recommends
1.	Election of Directors
	Nominees:
1a.	Nick L. Stanage		For
1b.	Jeffrey C. Campbell		For
1c.	Cynthia M. Egnotovich		For
1d.	Thomas A. Gendron		For
1e.	Dr. Jeffrey A. Graves		For
1f.	Guy C. Hachey		For
1g.	Dr. Marilyn L. Minus		For
1h.	Catherine A. Suever		For
2.	Advisory non-binding vote to approve 2021 executive compensation.		For
3.	Ratification of the appointment of Ernst & Young LLP as the independent registered public accounting firm for 2022.		For
NOTE: To transact such other business as may properly come before the Annual Meeting and any adjournments or postponements.

Prefer to receive an email instead? While voting on www.ProxyVote.com, be sure to click “Sign up for E-delivery”.

D72771-P67807-Z81923