Exhibit 4.17

 

First Registration Rights Agreement Joinder

 

April 1, 2015

 

Each of the undersigned hereby agrees as Issuer or Guarantor (each as defined in the Registration Rights Agreement (the “Registration Rights Agreement”), dated as of October 27, 2014, among Dynegy Finance I, Inc., a Delaware corporation, Dynegy Finance II, Inc., a Delaware corporation and Morgan Stanley & Co. LLC, Barclays Capital Inc., Credit Suisse Securities (USA) LLC, RBC Capital Markets, LLC and UBS Securities LLC, as representatives of the several Initial Purchasers listed on Schedule I thereto), as applicable, to be bound by the terms and provisions attributable to an Issuer or a Guarantor, as applicable, of the Registration Rights Agreement and to assume and be bound to perform all obligations of an Issuer or a Guarantor, as applicable, thereunder.  By executing and delivering this First Registration Rights Agreement Joinder, each of the undersigned hereby becomes a party to the Registration Rights Agreement as an Issuer or a Guarantor (in each case, as indicated in the signature pages hereto), as applicable, thereunder.

 

[SIGNATURE PAGES FOLLOW]

 











 

IN WITNESS WHEREOF, the undersigned has executed this counterpart as of the date first set forth above.

 

 

	
 
    	
 
    	
Dynegy   Inc., as an Issuer
    
	
 
    	
 
    	
 
    
	
 
    	
 
    	
 
    
	
 
    	
 
    	
By:
    	
/s/   Robert C. Flexon
    
	
 
    	
 
    	
 
    	
Name:
    	
Robert   C. Flexon
    
	
 
    	
 
    	
 
    	
Title:
    	
President &   Chief Executive Officer
    
	
 
    	
 
    	
 
    
	
 
    	
 
    	
 
    
	
 
    	
 
    	
Dynegy   Energy Services, LLC, as a Guarantor
    
	
 
    	
 
    	
 
    
	
 
    	
 
    	
 
    
	
 
    	
 
    	
By:   
    	
/s/   Robert C. Flexon
    
	
 
    	
 
    	
 
    	
Name:
    	
Robert   C. Flexon
    
	
 
    	
 
    	
 
    	
Title:
    	
Chief   Executive Officer
    


 











 

	
 
    	
Blue   Ridge Generation LLC
    
	
 
    	
Black   Mountain Cogen, Inc.
    
	
 
    	
Casco   Bay Energy Company, LLC
    
	
 
    	
Dynegy   Administrative Services Company
    
	
 
    	
Dynegy   Coal Holdco, LLC
    
	
 
    	
Dynegy   Coal Investments Holdings, LLC
    
	
 
    	
Dynegy   Coal Trading & Transportation, L.L.C.
    
	
 
    	
Dynegy   Equipment, LLC
    
	
 
    	
Dynegy   GasCo Holdings, LLC
    
	
 
    	
Dynegy   Gas Holdco, LLC
    
	
 
    	
Dynegy   Gas Imports, LLC
    
	
 
    	
Dynegy   Gas Investments, LLC
    
	
 
    	
Dynegy   Gas Investments Holdings, LLC
    
	
 
    	
Dynegy   Global Liquids, Inc.
    
	
 
    	
Dynegy   Kendall Energy, LLC
    
	
 
    	
Dynegy   Marketing and Trade, LLC
    
	
 
    	
Dynegy   Midwest Generation, LLC
    
	
 
    	
Dynegy   Morro Bay, LLC
    
	
 
    	
Dynegy   Moss Landing, LLC
    
	
 
    	
Dynegy   Oakland, LLC
    
	
 
    	
Dynegy   Operating Company
    
	
 
    	
Dynegy   Power, LLC
    
	
 
    	
Dynegy   Power Generation Inc.
    
	
 
    	
Dynegy   Power Marketing, LLC
    
	
 
    	
Dynegy   South Bay, LLC
    
	
 
    	
Havana   Dock Enterprises, LLC
    
	
 
    	
Illinova   Corporation
    
	
 
    	
Ontelaunee   Power Operating Company, LLC
    
	
 
    	
Sithe   Energies, Inc.
    
	
 
    	
Sithe/Independence   LLC, as Guarantors
    
	
 
    	
 
    
	
 
    	
 
    	
 
    
	
 
    	
By:
    	
/s/   Robert C. Flexon
    
	
 
    	
 
    	
Name:
    	
Robert   C. Flexon
    
	
 
    	
 
    	
Title:
    	
President &   Chief Executive Officer
    


 











 

	
 
    	
EquiPower   Resources Corp.
    
	
 
    	
Dynegy   Resource II, LLC
    
	
 
    	
Dynegy   Resource III, LLC
    
	
 
    	
Dynegy   Resources Holdco I, LLC
    
	
 
    	
Dynegy   Resources Holdco II, LLC
    
	
 
    	
Dynegy   Resources Generating Holdco, LLC
    
	
 
    	
Richland   Generation Expansion LLC,
    
	
 
    	
Milford   Power Company, LLC
    
	
 
    	
Lake   Road Holdings GP, LLC
    
	
 
    	
Lake   Road Holdings LP, LLC
    
	
 
    	
Lake   Road Generating Company, L.P.
    
	
 
    	
RSG   Power, LLC
    
	
 
    	
Richland-Stryker   Generation LLC
    
	
 
    	
Dynegy   Resources Management, LLC
    
	
 
    	
Dighton   Power, LLC
    
	
 
    	
Masspower   Holdco, LLC
    
	
 
    	
Masspower   Partners I, LLC
    
	
 
    	
Masspower   Partners II, LLC
    
	
 
    	
MASSPOWER
    
	
 
    	
Liberty   Electric Generation Holdings, LLC
    
	
 
    	
LEP   Holdings, LLC
    
	
 
    	
Liberty   Electric PA 2, LLC
    
	
 
    	
Liberty   Electric Power, LLC
    
	
 
    	
Tomcat   Power, LLC
    
	
 
    	
Kincaid   Holdings, LLC
    
	
 
    	
Kincaid   Generation, L.L.C.
    
	
 
    	
Kincaid   Energy Services Company, LLC
    
	
 
    	
Elwood   Expansion Holdings, LLC
    
	
 
    	
Elwood   Energy Holdings, LLC
    
	
 
    	
Elwood   Services Company, LLC
    
	
 
    	
Elwood   Energy Holdings II, LLC
    
	
 
    	
Brayton   Point Holdings, LLC
    
	
 
    	
ECP   II-B (Brayton Point IP) Corp
    
	
 
    	
ECP   II-C (Brayton Point IP) Corp, as Guarantors
    
	
 
    	
 
    
	
 
    	
 
    	
 
    
	
 
    	
By:
    	
/s/   Robert C. Flexon
    
	
 
    	
 
    	
Name:
    	
Robert   C. Flexon
    
	
 
    	
 
    	
Title:
    	
President &   Chief Executive Officer