Document:

Exhibit

[ ] = Certain confidential information contained in this document, marked by brackets, is omitted because it is both (i) not material and (ii) would be competitively harmful if publicly disclosed.

Exhibit 10.1

AMENDMENT NUMBER TEN TO AMENDED AND RESTATED
WAFER SUPPLY AGREEMENT

This Amendment Number Ten (the “Amendment”), is effective as of December 16, 2019 (the “Amendment Effective Date”), and amends the Amended and Restated Wafer Supply Agreement that is effective as of April 1, 2003, as further amended by Amendment Number One that is effective as of August 11, 2004, Amendment Number Two, that is effective as of April 1, 2008, Amendment Number Three, that is effective as of June 9, 2008, Amendment Number Four, that is effective as of June 13, 2008, Amendment Number Five that is effective as of November 14, 2008, Amendment Number Six that is effective as of November 1, 2015, Amendment Number Seven that is effective as of August 8, 2016, Amendment Number Eight that is effective as of July 26, 2017, and Amendment Number Nine that is effective as of February 6, 2019, (the “Agreement”), by and between Lapis Semiconductor Co., Ltd., a Japanese corporation having its registered head office at 2-4-8 Shinyokohama, Kouhoku-ku Yokohama 222-8575 Japan (“Lapis”), and Power Integrations, Ltd. d.b.a. Power Integrations International, Ltd. (“PI”) a Cayman Islands corporation having its principal place of business at 4th Floor, Century Yard, Cricket Square, Elgin Avenue, P.O. Box 32322, Grand Cayman K Y 1-1209. Unless specifically designated otherwise, capitalized terms used herein shall have the same meanings given them in the Agreement.

RECITALS

WHEREAS, PI and LAPIS desire to amend the terms of the Agreement; and

WHEREAS, in accordance with Section 18. 10 of the Agreement, the Agreement may be amended only by an instrument in writing duly executed by authorized officers of LAPIS and PI.

Now, THEREFORE, in consideration of the mutual promises contained herein and other good and valuable consideration, the receipt and sufficiency of which is hereby acknowledged, the parties hereby amend the Agreement as follows:

AGREEMENT

		
	1.
	Add the following new article: ARTICLE 25. [ * ]. 

25.1    [ * ].  PI shall make [ * ] to SUPPLIER for [ * ] 

25.2    [ * ]. A [ * ] will be issued by SUPPLIER at the end of each calendar quarter beginning in Q1 2020 [ * ] during such quarter, [ * ].

25.3    If the [ * ] on or before the termination or expiry of the Agreement, SUPPLIER shall, on such date, provide PI, [ *].

IN WITNESS WHEREOF, the parties have caused this Amendment to be executed by their duly authorized representatives, effective as of the Amendment Effective Date.

	
		
	LAPIS SEMICONDUCTOR CO., LTD.
	POWER INTEGRATIONS, LTD. d.b.a. POWER INTEGRATIONS INTERNATIONAL, LTD.

	Signature: /Akira Yamazaki/
	Signature: /Raja Petrakian/

	Name:  Akira Yamazaki
	Name:        Raja Petrakian

	Title:    General Manager
	Title:          President and Director

	2020.1.20
	January 21, 2020Exhibit

[ ] = Certain confidential information contained in this document, marked by brackets, is omitted because it is both (i) not material and (ii) would be competitively harmful if publicly disclosed.

Exhibit 10.2

AMENDMENT NUMBER ELEVEN TO AMENDED AND RESTATED 
WAFER SUPPLY AGREEMENT

This Amendment Number Eleven (the "Amendment"), is effective as of December 20, 2019 (the "Amendment Effective Date"), and amends the Amended and Restated Wafer Supply Agreement that is effective as of April 1, 2003, as further amended by Amendment Number One that is effective as of August 11, 2004, Amendment Number Two, that is effective as of April 1, 2008, Amendment Number Three, that is effective as of June 9, 2008, Amendment Number Four, that is effective as of June 13, 2008, Amendment Number Five that is effective as of November 14, 2008, Amendment Number Six that is effective as of November 1, 2015, Amendment Number Seven that is effective as of August 8, 2016, Amendment Number Eight that is effective as of July 26, 2017, Amendment Number Nine that is effective as of February 6, 2019, and amendment Number 10 that is effective as of December 16, 2019 (the "Agreement"), by and between Lapis Semiconductor Co., Ltd., a Japanese corporation having its registered head office at 2-4-8 Shinyokohama, Kouhoku-ku Yokohama 222-8575 Japan ("Lapis"), and Power Integrations, Ltd. d.b.a. Power Integrations International, Ltd. ("PI") a Cayman Islands corporation having its principal place of business at 4th Floor, Century Yard, Cricket Square, Elgin Avenue, P.O. Box 32322, Grand Cayman K Y 1-1209. Unless specifically designated otherwise, capitalized terms used herein shall have the same meanings given them in the Agreement.

RECITALS

WHEREAS, PI and LAPIS desire to amend the terms of the Agreement; and

WHEREAS, in accordance with Section 18. 10 of the Agreement, the Agreement may be amended only by an instrument in writing duly executed by authorized officers of LAPIS and PI.

Now, THEREFORE, in consideration of the mutual promises contained herein and other good and valuable consideration, the receipt and sufficiency of which is hereby acknowledged, the parties hereby amend the Agreement as follows:

AGREEMENT

		
	1.
	Add the following new sections to ARTICLE 1. DEFINITIONS.

1.29    [*]    Wafers made in the [*] process.
1.30    [*]    Wafers made in the [*] process.
1.31    [*]    Wafers made in the [*] process.

		
	2.
	In ARTICLE 24:

In Section 24.2, replace all recitations of [*] with [*].

In Section 24.4.l, add the following new paragraphs:

The base price for an additional [*] to [*] [*] wafers per month manufactured in [*] will be priced at the base price of the [*] wafers manufactured in Lapis [*], plus [*].

Starting [*], Lapis will reduce the base price for [*] wafers manufactured at the Lapis [*] plant to [*] such that the total value [*] of the above [*] [*] [*] price [*] the total value of the [*] [*] wafer price [*] during [*] and thereafter.

At the end of each calendar quarter beginning at the end of [*], PI and Lapis will exchange [*] or [*], as the case may be, to account for any mismatch of the total value [*] of the [*] [*] [*] and the Lapis [*] wafer [*], for each such calendar quarter.

IN WITNESS WHEREOF, the parties have caused this Amendment to be executed by their duly authorized representatives, effective as of the Amendment Effective Date.

	
		
	LAPIS SEMICONDUCTOR CO., LTD.
	POWER INTEGRATIONS, LTD. d.b.a. POWER INTEGRATIONS INTERNATIONAL, LTD.

	Signature: /Akira Yamazaki/
	Signature: /Raja Petrakian/

	Name:  Akira Yamazaki
	Name:        Raja Petrakian

	Title:    General Manager
	Title:          President and Director

	2020.1.20
	January 21, 2020Exhibit

[ ] = Certain confidential information contained in this document, marked by brackets, is omitted because it is both (i) not material and (ii) would be competitively harmful if publicly disclosed.

Exhibit 10.3

AMENDMENT NUMBER NINE TO
WAFER SUPPLY AGREEMENT

This Amendment Number Nine (the "Amendment"), effective as of October 1, 2017,  (the "Amendment Effective Date"), amends the Wafer Supply Agreement effective April 1, 2005, as amended by Amendment Number One effective December 19, 2008, Amendment Number Two effective September 13, 2010, Amendment number Three effective February 1, 2012, Amendment number Four effective April 1, 2015, Amendment number Five effective November 2, 2015, Amendment number Six effective December 8, 2015, Amendment number Seven effective October 3, 2016, and Amendment number Eight effective November 8, 2016 (as amended the “Agreement''') by and between: 
		
	(1)
	POWER INTEGRATIONS INTERNATIONAL LTD., a Cayman Islands corporation having a place of business at, P.O. Box 32322, 4th Floor, Century Yard, Cricket Square, Elgin Avenue, George Town, Grand Cayman, Cayman Islands ("Power Integrations") 

and 
		
	(2)
	SElKO EPSON CORPORATION, a Japanese corporation having a place of business at 281 Fujimi, Fujimi-machi, Suwa-gun, Nagano-ken, 399-0293 Japan ("Seiko Epson"). 

RECITALS 
WHEREAS, pursuant to the terms of the Agreement, Power Integrations grants to Seiko Epson licenses of certain of Power Integrations' intellectual property for the sole purpose of Power Integrations acquiring from Seiko Epson the fabrication and supply of wafers of certain power IC products; and 
WHEREAS, Power Integrations and Seiko Epson desire to amend the terms of the Agreement; and 
WHEREAS, in accordance with Section 18.10 of the Agreement, the Agreement may be amended only by an instrument in writing duly executed by authorized representatives of Seiko Epson and Power Integrations. 
Now, THEREFORE, in consideration of the mutual promises contained herein and other good and valuable consideration, the receipt and sufficiency of which is hereby acknowledged, the parties hereby amend the Agreement as follows: 

AGREEMENT

Addition of Exhibit E:  The Agreement is adding Exhibit E, which defines the terms for the addition of the [*] to the [*].

Effective as of the Amendment Effective Date, all references in the Agreement to the "Agreement" 
or "this Agreement" shall mean the Agreement as amended by this Amendment. Except as expressly amended herein, the terms of the Agreement continue unchanged and shall remain in full force and effect. This Amendment may be executed in one or more counterparts, each of which shall be considered an original, but all of which counterparts together shall constitute one and the same instrument.

IN WITNESS WHEREOF, the parties have caused this Amendment to be executed by their duly authorized representatives, effective as of the Amendment Effective Date, 
	
		
	SEIKO EPSON CORPORATION 
	POWER INTEGRATIONS INTERNATIONAL, LTD.

	By: /Nobuyuki Shimotome/
	By: /Raja Petrakian/

	Name: Nobuyuki Shimotome
	Name: Raja Petrakian

	Title: Chief Operating Office
	Title: President, PIIL

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