Constellium SE (CSTM) 6-K Voting Results Annual General Meeting 2017

Exhibit 99.1

	Constellium N.V. Voting Results Annual General Meeting 2017
	Agenda items	Total number of shares for which votes were validly cast*		Percentage of the issued capital**			Votes in favor		Votes against		Abstentions ***
Item 5	Adoption of the Annual Accounts 2016.		64,756,021		61.33	%		63,777,166		16,496		962,359
Item 7	Release from liability of Executive Board Members of the Company.		64,756,021		61.33	%		60,948,747		2,841,826		965,448
Item 8	Release from liability of Non-Executive Board Members of the Company.		64,756,021		61.33	%		60,963,315		2,829,261		963,445
Item 9	Authorization to the Board to allow the Company to repurchase its own shares.		64,756,021		61.33	%		63,869,290		38,390		848,341
Item 10(a)	Re-appointment of Mr. Jean-Marc Germain		64,756,021		61.33	%		63,750,417		39,437		966,167
Item 10(b)(i)	Re-appointment of Guy Maugis		64,756,021		61.33	%		63,153,553		636,402		966,066
Item10(b)(ii)	Re-appointment of Mr. Werner P. Paschke		64,756,021		61.33	%		63,750,417		39,437		966,167
Item 10(b)(iii)	Re-appointment of Mr. Michiel Brandjes		64,756,021		61.33	%		63,294,823		494,398		966,800
Item 10(b)(iv)	Re-appointment of Mr. Philippe C.A. Guillemot		64,756,021		61.33	%		63,749,082		40,139		966,800
Item 10(b)(v)	Re-appointment of Mr. John Ormerod		64,756,021		61.33	%		63,295,525		493,295		967,201
Item 10(b)(vi)	Re-appointment of Ms. Lori Walker		64,756,021		61.33	%		63,294,412		496,746		964,863
Item 10(b)(vii)	Re-appointment of Ms. Martha Brooks		64,756,021		61.33	%		63,768,662		20,992		966,367
Item 10 (c)	Appointment of Mr. Nicolas Manardo		64,756,021		61.33	%		63,749,182		40,039		966,800
Item 11	Appointment of PricewaterhouseCoopers as auditor of the Company for 2017		64,756,021		61.33	%		64,640,792		3,767		111,462

* This number is equal to the number of validly cast votes; it concerns the total number of votes for and against; the number of abstentions is not included in this number

** The issued capital of Constellium N.V. on the Record Date May 18, 2017 amounted to 105,581,673 outstanding shares, each with a nominal value of € 0.02 of which 33, 026 shares are held by Constellium N.V. This means that of the issued capital on the Record Date 105,548,647 votes can be cast. Percentages are rounded down to two decimals.

*** Abstentions and votes that were not cast or not validly cast