UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM SD

Specialized Disclosure Report

____________________________________________________________________________________________________________________________________

PLEXUS CORP.

(Exact name of registrant as specified in its charter)

____________________________________________________________________________________________________________________________________

Wisconsin001-1442339-1344447(State or other jurisdiction             (Commission             (I.R.S. Employer
of incorporation)                File Number)             Identification No.)

One Plexus Way, Neenah, WI54957
(Address of principal executive offices)         (Zip Code)

Angelo M. Ninivaggi

Executive Vice President, Chief Administrative Officer,

General Counsel and Secretary

(920) 969-6000

(Name and telephone number, including area code,

of the person to contact in connection with this report.)

Check the appropriate box to indicate the rule pursuant to which this form is being filed, and provide the period to which the information in this form applies:

[X] Rule 13p-1 under the Securities Exchange Act (17 CFR 240.13p-1) for the reporting period from January 1 to December 31, 2019.

Section 1 - Conflict Minerals Disclosure

Item 1.01Conflict Minerals Disclosure and Report

Conflict Minerals Disclosure

A copy of Plexus Corp.’s Conflict Minerals Report for the reporting period from January 1 to December 31, 2019, is provided as Exhibit 1.01 hereto and is publicly available on our website at www.plexus.com.

Item 1.02Exhibit

See Item 2.01 of this Form.

Section 2 - Exhibits

Item 2.01 Exhibits

Exhibit 1.01 - Conflict Minerals Report as required by Items 1.01 and 1.02 of this Form.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the duly authorized undersigned.

Date: May 20, 2020		PLEXUS CORP.
		(Registrant)
	By:	/s/ Angelo M. Ninivaggi
		Angelo M. Ninivaggi
		Executive Vice President, Chief Administrative Officer,
		General Counsel and Secretary