Document:

Exhibit

AMERICAN SUPERCONDUCTOR CORPORATION
First Amendment to Amended and Restated Executive Severance Agreement
This First Amendment to Amended and Restated Executive Severance Agreement (“Amendment”) by and between American Superconductor Corporation, a Delaware corporation (the “Company”), and James F. Maguire (the “Executive”) is made as of April 6, 2018. 
WHEREAS, the Company and the Executive are parties to an Amended and Restated Executive Severance Agreement, dated as of September 20, 2013 (the “Agreement”); 
WHEREAS, the parties desire to amend the Agreement to effectuate an adjustment to the Executive’s severance payment period; and  
WHEREAS, capitalized terms used herein and not otherwise defined herein shall have the meanings ascribed to them in the Agreement. 
NOW, THEREFORE, in consideration of the mutual covenants contained herein, the Company and the Executive agree as follows: 
1.The definition of “Severance Period” set forth in Section 1.6 of the Agreement is hereby amended by deleting said section and by substituting therefor: 

“‘Severance Period’ shall mean (a) the period of eighteen (18) months immediately following the Date of Termination (as defined in Section 3.2(a) below) up until March 31, 2020, and (b) the period of twelve (12) months immediately following the Date of Termination (as defined in Section 3.2(a) below) from and after April 1, 2020.” 

2.All other provisions of the Agreement shall remain in full force and effect according to their respective terms, and nothing contained herein shall be deemed a waiver of any right or abrogation of any obligation otherwise existing under the Agreement except to the extent specifically provided for herein. 

3.The validity, interpretation, construction and performance of this Amendment shall be governed by the internal laws of the Commonwealth of Massachusetts, without regard to conflicts of law principles. 

4.This Agreement may be executed in counterparts, each of which shall be deemed to be an original but both of which together shall constitute one and the same instrument. 

IN WITNESS WHEREOF, the parties hereto have executed this First Amendment to Amended and Restated Executive Severance Agreement as of this 6th day of April, 2018.
AMERICAN SUPERCONDUCTOR CORPORATION

Signature:    /s/ Daniel P. McGahn             
Print name:    Daniel P. McGahn 
Title:         President and Chief Executive Officer

EXECUTIVE

Signature:           /s/ James F. Maguire         
Print name:    James F. Maguire

1Exhibit

EXHIBIT 10.29

Confidential Treatment Requested by 
American Superconductor Corporation 

Amendment No. 1
to Supply Contract Number PPC1687-072015

This amendment number 1 (“Amendment No. 1”) to Contract Number PPC1687-072015 dated 16th December 2015 (the “Contract”) is effective as of 8th November 2017 (“Effective Date”) between Inox Wind Ltd., having its head office at Plot No. 17, Sector 16-A, Noida 201301 (U.P) India (“Buyer”) and American Superconductor Corporation, having its head office at 64 Jackson Road, Devens, MA 01434, USA (“Seller”), hereinafter collectively referred to as the “Parties” or individually as a “Party”.

WHEREAS, Seller and Buyer executed a supply contract dated 16th December 2015 for the supply of Electric Control Systems (ECS) of WT2000DF Wind Turbine by Seller to Buyer; and

WHEREAS, the parties hereto agree to amend the Contract as follow:

NOW, THEREFORE, in consideration of the terms and covenants set forth in this Amendment No. 1 and in the Contract, and for other good and valuable consideration, the receipt and sufficiency of which is hereby mutually acknowledged by the Parties, the Parties hereby agree as follows:

		
	1.
	The table in Section 1.2 is hereby deleted in its entirety and replaced with the following:

	
					
	ID/Version
	Technical  
Description

	ECS-000002
	GL2003
	[**]
	93m Rotor
	Annex 2

	ECS-000003
	GL2003
	[**]
	93m Rotor
	Annex 3

	ECS-000006
	GL2010
	[**]
	93/100/113m Rotor
	Annex 6a

	ECS-000007
	GL2010
	[**]
	93/100/113m Rotor
	Annex 7a

		
	2.
	The table in Section 1.3 is hereby deleted in its entirety and replaced with the following:

	
					
	ID/Version
	Price

	ECS-000002
	GL2003
	[**]
	93m Rotor
	[**]

	ECS-000003
	GL2003
	[**]
	93m Rotor
	[**]

	ECS-000006
	GL2010
	[**]
	93/100/113m Rotor
	[**]

	ECS-000007
	GL2010
	[**]
	93/100/113m Rotor
	[**]

		
	3.
	Annex 4 of the Contract is hereby deleted in its entirety and replaced with Annex 6a. The Hub Cabinets #HCA000 listed on rows 1a and 1b of Section 1.7 of Annex 6a and the Pitch Motors listed on rows 2a and 2b of Section 1.7 of Annex 6a can be supplied in either combination of “1a and 2a” or “1b and 2b”. The Seller shall decide which combination will be delivered.

Confidential Portions of this Exhibit marked as [**] have been omitted pursuant to a request for 
confidential treatment and have been filed separately with the Securities and Exchange Commission. 

Confidential Treatment Requested by 
American Superconductor Corporation 

		
	4.
	Annex 5 of the Contract is hereby deleted in its entirety and replaced with Annex 7a. The Hub Cabinets #HCA000 listed on rows 1a and 1b of Section 1.8 of Annex 7a and the Pitch Motors listed on rows 2a and 2b of Section 1.8 of Annex 7a can be supplied in either combination of “1a and 2a” or “1b and 2b”. The Seller shall decide which combination will be delivered.

		
	5.
	 Annex 6 of the Contract is hereby deleted in its entirety and replaced with Annex 6a. The Hub Cabinets #HCA000 listed on rows 1a and 1b of Section 1.7 of Annex 6a and the Pitch Motors listed on rows 2a and 2b of Section 1.7 of Annex 6a can be supplied in either combination of “1a and 2a” or “1b and 2b”. The Seller shall decide which combination will be delivered.

		
	6.
	Annex 7 of the Contract is hereby deleted in its entirety and replaced with Annex 7a. The Hub Cabinets #HCA000 listed on rows 1a and 1b of Section 1.8 of Annex 7a and the Pitch Motors listed on rows 2a and 2b of Section 1.8 of Annex 7a can be supplied in either combination of “1a and 2a” or “1b and 2b”. The Seller shall decide which combination will be delivered.

		
	7.
	All other terms and conditions of the contract shall continue unchanged and remain in full force and effect.

The Parties are signing this Amendment on the date stated in the introductory clause.

Inox Wind Ltd.        American Superconductor Corporation

BY: /s/ Rajeev Gupta                                BY:    /s/ John Kosiba                                      

NAME:     Rajeev Gupta                           NAME:     John Kosiba               

TITLE:      Director                                      TITLE:      CFO                  

DATE:       3/14/2018                               DATE:      3/7/18                

2
Confidential Portions of this Exhibit marked as [**] have been omitted pursuant to a request for 
confidential treatment and have been filed separately with the Securities and Exchange Commission. 

Confidential Treatment Requested by 
American Superconductor Corporation 

Annex No. 6a
	
					
	ID
	Version
	Converter

	ECS-000006
	GL2010
	[**]
	93/100/113m Rotor
	AMSC

Created by: Wolfgang Srebotnig
Checked by: Markus Görzer
Pages: 3

1. Scope of Supply

		
	1.7.
	Electric Control System (hereinafter “ECS”) for GL2010 /93/100 & 113m rotor turbine versions with AMSC –converter system, [**] function and without Condition Monitoring System (CMS). Each set comprising of:

	
						
	#
	ELECTRIC CONTROL SYSTEM
	AMSC ID
	units per WEC
	Scope of supply
	NOT scope of supply

	1a
	#4HCA000
Hub Cabinets 
	26117316
	1 set
	1 set consist of:
 -  1pcs  26117328 hub cabinet +4HCA100
 -  1pcs  26117329 hub cabinet +4HCA200
 -  1pcs  26117330 hub cabinet +4HCA300
each hub cabinet includes pitch converter with IO’s, heater, service switch and service plug

	#VALUE!

	2a
	Pitch Motors
	10113715
Or
10140962
	1 set
	#VALUE!
	-    

	1b
	#4HCA000 
Hub Cabinets
	26118865
	1 set
	1 set consist of:
 -  1pcs 26118866 hub cabinet +4HCA100
 -  1pcs 26118867 hub cabinet +4HCA200
 -  1pcs 26118868 hub cabinet +4HCA300
each hub cabinet includes pitch converter with IO’s, heater, service switch and service plug 
	#VALUE!

3
Confidential Portions of this Exhibit marked as [**] have been omitted pursuant to a request for 
confidential treatment and have been filed separately with the Securities and Exchange Commission. 

Confidential Treatment Requested by 
American Superconductor Corporation 

	
						
	2b
	Pitch Motors
	10140986
Or
10141381
	1 set
	#VALUE!
	-    

	3
	#VALUE!
	26117334
	1 off
	fully assembled and tested cabinet. 
cabinet includes:
-    PLC IO’s with CAN Interface
-    lightning protection (acc. lightning protection system)
-    industrial connectors
	#VALUE!

	4
	#VALUE!
	26117818
	1 off
	1 fully assembled and tested cabinet. 
cabinet includes:
-    auxiliary power supply
-    auxiliary control and protection
-    contactors and relays
-    PLC IO’s 
-    control panel
-    YAW converter
-    lightning protection (acc. lightning protection system)
-    UPS power supply 24VDC with batteries
-    service switch and service plug
-    service box
-    connection terminals
	#VALUE!

4
Confidential Portions of this Exhibit marked as [**] have been omitted pursuant to a request for 
confidential treatment and have been filed separately with the Securities and Exchange Commission. 

Confidential Treatment Requested by 
American Superconductor Corporation 

	
							
	5
	#VALUE!
	26117820
	1 off

	1 fully assembled and tested cabinet. 
cabinets includes:
-    AMSC power module
(PM300xNW with pre charge unit)
-    PLC IO’s with CAN Interface
-    filter capacitors and resistors
-    crowbar unit
-    generator and line choke
-    contactors and relays 
-    stator breaker
-    line contactor
-    air to water heat exchanger
-    water cooling distribution
-    total power measurement
-    lightning protection (acc. lightning protection system)
-    connection terminals
	#VALUE!

	6
	#VALUE!
	26117822
	1 off
	1 fully assembled and tested cabinet. 
cabinet includes:
-    auxiliary control and protection
-    contactors and relays
-    PLC IO’s and CPU
-    UPS power supply 24VDC with batteries
-    service switch
-    control panel
-    connection terminals
	#VALUE!

	7
	

	SCADA Package 
incl. wtDataCenter
	26112620
	1 off

	#VALUE!
	#VALUE!

	8
	Control Software
	26112620
	1 off
	#NAME!
	#VALUE!

5
Confidential Portions of this Exhibit marked as [**] have been omitted pursuant to a request for 
confidential treatment and have been filed separately with the Securities and Exchange Commission. 

Confidential Treatment Requested by 
American Superconductor Corporation 

Annex No. 7a
	
					
	ID
	Version
	Converter

	ECS-000007
	GL2010
	[**]
	93/100/113m Rotor
	AMSC

Created by: Wolfgang Srebotnig
Checked by: Markus Görzer
Pages: 3

1. Scope of Supply

		
	1.8.
	Electric Control System (hereinafter “ECS”) for GL2010 /93/100 & 113m rotor turbine versions with AMSC–converter system, [**] function and without Condition Monitoring System (CMS). Each set comprising of:

	
							
	#
	ELECTRIC CONTROL SYSTEM
	AMSC ID
	units per WEC
	Scope of supply
	NOT scope of supply

	1a
	#4HCA000
Hub Cabinets
	26117316
	1 set
	1 set consist of:
 -  1pcs  26117328 hub cabinet +4HCA100
 -  1pcs  26117329 hub cabinet +4HCA200
 -  1pcs  26117330 hub cabinet +4HCA300
each hub cabinet includes pitch converter with IO’s, heater, service switch and service plug
 
	#VALUE!

	2a
	Pitch Motors
	10113715
Or
10140962
	1 set
	#VALUE!
	-    

	1b
	#4HCA000 
Hub Cabinets
	26118865
	1 set
	1 set consist of:
 -  1pcs 26118866 hub cabinet +4HCA100
 -  1pcs 26118867 hub cabinet +4HCA200
 -  1pcs 26118868 hub cabinet +4HCA300
each hub cabinet includes pitch converter with IO’s, heater, service switch and service plug
 
	#VALUE!

	2b
	Pitch Motors
	10140986
Or
10141381
	1 set
	#VALUE!
	-    

6
Confidential Portions of this Exhibit marked as [**] have been omitted pursuant to a request for 
confidential treatment and have been filed separately with the Securities and Exchange Commission. 

Confidential Treatment Requested by 
American Superconductor Corporation 

	
							
	#
	ELECTRIC CONTROL SYSTEM
	AMSC ID
	units per WEC
	Scope of supply
	NOT scope of supply

	3
	#VALUE!
	26117334
	1 off
	1 fully assembled and tested cabinet. 
cabinet includes:
-    PLC IO’s with CAN Interface
-    lightning protection (acc. lightning protection system)
-    industrial connectors
	#VALUE!

	4
	#VALUE!
	26117818
	1 off
	1 fully assembled and tested cabinet. 
cabinet includes:
-    auxiliary power supply
-    auxiliary control and protection
-    contactors and relays
-    PLC IO’s 
-    control panel
-    YAW converter
-    lightning protection (acc. lightning protection system)
-    UPS power supply 24VDC with batteries
-    service switch and service plug
-    service box
-    connection terminals
	#VALUE!

	5
	#VALUE!
	26117824
	1 off

	1 fully assembled and tested cabinet. 
cabinets includes:
-    AMSC power module
(PM300xNW with precharge unit)
-    PLC IO’s with CAN Interface
-    filter capacitors and resistors
-    crowbar unit
-    generator and line choke
-    contactors and relays 
-    stator breaker
-    grid contactor
-    air to water heat exchanger
-    water cooling distribution
-    total power measurement
-    lightning protection (acc. lightning protection system)
-    connection terminals
-    [**] package
	#VALUE!

7
Confidential Portions of this Exhibit marked as [**] have been omitted pursuant to a request for 
confidential treatment and have been filed separately with the Securities and Exchange Commission. 

Confidential Treatment Requested by 
American Superconductor Corporation 

	
							
	#
	ELECTRIC CONTROL SYSTEM
	AMSC ID
	units per WEC
	Scope of supply
	NOT scope of supply

	6
	#VALUE!
	26117822
	1 off
	1 fully assembled and tested cabinet. 
cabinet includes:
-    auxiliary control and protection
-    contactors and relays
-    PLC IO’s and CPU
-    UPS power supply 24VDC with batteries
-    service switch
-    control panel
-    connection terminals
	#VALUE!

	7
	

	SCADA Package 
incl. wtDataCenter
	26112620
	1 off

	#VALUE!
	#VALUE!

	8
	Control Software
	26112620
	1 off
	#NAME!
	#VALUE!

8
Confidential Portions of this Exhibit marked as [**] have been omitted pursuant to a request for 
confidential treatment and have been filed separately with the Securities and Exchange Commission.

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