Document:

EX-10.4

 EXHIBIT 10.4 

TRADEMARK SECURITY AGREEMENT 

This TRADEMARK SECURITY AGREEMENT (“Agreement”), dated as of December 2, 2015 is made by Graham
Corporation, a Delaware corporation (the “Borrower”), and the undersigned subsidiaries of the Borrower (each, a “Grantor” and collectively, the “Grantors”), in favor of JPMorgan Chase Bank, N.A., as
Administrative Agent (in such capacity, the “Administrative Agent”) for the banks and other financial institutions or entities (the “Lenders”) from time to time parties to the Credit Agreement, dated as of
December 2, 2015 (as amended, restated, supplemented or otherwise modified from time to time, the “Credit Agreement”), among the Borrower, the Lenders, the Administrative Agent and the other parties thereto. 

W I T N E S S E T H: 

WHEREAS, pursuant to the Credit Agreement, the Lenders have severally agreed to make extensions of credit to the
Borrower upon the terms and subject to the conditions set forth therein; 
 WHEREAS, in connection with the Credit
Agreement the Grantors have executed and delivered a Pledge and Security Agreement dated as of December 2, 2015 in favor of the Administrative Agent (as amended, restated, supplemented or otherwise modified from time to time, the
“Security Agreement”); 
 WHEREAS, pursuant to the Security Agreement, the Grantors pledged and
granted to the Administrative Agent for the benefit of the Secured Parties a continuing security interest in all Intellectual Property, including the Trademarks; and 

WHEREAS, each Grantor has duly authorized the execution, delivery and performance of this Agreement. 

NOW THEREFORE, for good and valuable consideration, the receipt of which is hereby acknowledged, and in order to
induce the Lenders to enter into the Credit Agreement, each Grantor agrees, for the benefit of the Administrative Agent and the Lenders, as follows: 

SECTION 1.      Definitions.    Unless otherwise defined herein
or the context otherwise requires, terms used in this Agreement, including its preamble and recitals, have the meanings provided or provided by reference in the Security Agreement. 

SECTION 2.      Grant of Security Interest.    Each Grantor
hereby pledges and grants a continuing security interest in, and a right of setoff against, and agrees to assign, transfer and convey, upon demand made upon the occurrence and during the continuance of an Event of Default without requiring further
action by either party and to be effective upon such demand, (i) all of such Grantor’s right, title and interest in, to and under the Trademarks owned by such Grantor (including, without limitation, those items listed on Schedule A
hereto), (ii) all extensions or renewals of any of the foregoing, (iii) all of the goodwill of the business connected with the use of and symbolized by the foregoing, (iv) the right to sue for past, present and future infringement,
dilution, or other violation of any of the foregoing or for any injury to goodwill (collectively, the “Trademark Collateral”), and (v) all proceeds of the foregoing, including, without limitation, licenses, royalties, income,
payments, claims, damages, and proceeds of suit, to the Administrative Agent for the benefit of the Secured Parties to secure payment, performance and observance of the Obligations. 

  
 1 

 ; 

SECTION 3.     Purpose.    This Agreement has been executed and
delivered by each Grantor for the purpose of recording the grant of security interest herein with the United States Patent and Trademark Office. The security interest granted hereby has been granted to the Administrative Agent for the benefit of the
Secured Parties in connection with the Security Agreement and is expressly subject to the terms and conditions thereof. The Security Agreement (and all rights and remedies of the Lenders thereunder) shall remain in full force and effect in
accordance with its terms. 
 SECTION 4.     Authorization to
Supplement.   If any Grantor shall obtain rights to any new Trademarks, the provisions of this Trademark Security Agreement shall automatically apply thereto. Such Grantor shall give notice in writing to Administrative Agent in
accordance with the terms of the Security Agreement with respect to any such new Trademarks or renewal or extension of any Trademark registration. Without limiting such Grantor’s obligations under this Section, such Grantor hereby authorizes
the Administrative Agent unilaterally to modify this Trademark Security Agreement by amending Schedule A to include any such new Trademark rights of such Grantor. Notwithstanding the foregoing, no failure to so modify this Trademark Security
Agreement or amend Schedule A shall in any way affect, invalidate or detract from the Administrative Agent’s continuing security interest in all Trademark Collateral, whether or not listed on Schedule A. 

SECTION 5.     Applicable Law.    THIS TRADEMARK SECURITY AGREEMENT
SHALL BE SUBJECT TO THE PROVISIONS REGARDING CHOICE OF LAW AND VENUE, JURY TRIAL WAIVER, AND JUDICIAL REFERENCE SET FORTH IN SECTION 7 OF THE SECURITY AGREEMENT, AND SUCH PROVISIONS ARE INCORPORATED HEREIN BY THIS REFERENCE, MUTATIS
MUTANDIS. 
 SECTION 6.     Acknowledgment.   Each Grantor does
hereby further acknowledge and affirm that the rights and remedies of the Secured Parties with respect to the security interest in the Trademark Collateral granted hereby are more fully set forth in the Credit Agreement and the Security Agreement,
the terms and provisions of which (including the remedies provided for therein) are incorporated by reference herein as if fully set forth herein. In the event of any conflict between the terms of this Agreement and the terms of the Security
Agreement, the terms of the Security Agreement shall govern. 

SECTION 7.     Counterparts.    This Agreement may be executed in
any number of counterparts and delivered via facsimile or other electronic format, each of which when so executed and delivered shall be deemed an original, but all such counterparts together shall constitute but one and the same instrument. 

[Signature page follows] 

  
 2 

 IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
duly executed and delivered by their respective officers thereunto duly authorized as of the day and year first above written. 
  

			
	 GRANTORS:

	
	 GRAHAM CORPORATION, a Delaware corporation

	
	 By: /s/ Jeffrey Glajch

	 Name:
	 	 Jeffrey Glajch

	 Title:
	 	 Chief Financial Officer

	
	ENERGY STEEL & SUPPLY CO., a Michigan corporation
	
	 By: /s/ Jeffrey Glajch

	 Name: Jeffrey Glajch

	 Title: Chief Financial Officer

	
	 ADMINISTRATIVE AGENT:

	
	 JPMORGAN CHASE BANK, N.A.,

as Administrative Agent for the Lenders

	
	 By: /s/ Philip M. Hendrix

	 Name:
	 	 Philip M. Hendrix

	 Title:
	 	 Vice President and Authorized Officer

  
 3 

 SCHEDULE A 

U.S. Trademark Registrations and Applications 

TRADEMARKS 
  

									
	Name of Grantor	 	Trademark	 	Registration Date	 	Registration Number 	 	Country
	Graham Corporation	 	GRAHAM	 	11/18/1997	 	2,113,725	 	US
	Graham Corporation	 	

	 	12/23/1997	 	2,123,101	 	US
	Graham Corporation	 	

	 	11/20/2007	 	3,339,668	 	US
	Graham Corporation	 	GRAHAM PRECISION PUMPS	 	7/7/1998	 	2,171,065	 	US
	Graham Corporation	 	GRAHAM VACUUM AND HEAT TRANSFER	 	7/7/1998	 	2,171,070	 	US
	Graham Corporation	 	HELIFLOW	 	4/8/2003	 	2,704,853	 	US
	Graham Corporation	 	MICROMAX	 	6/17/2008	 	3,450,764	 	US
	Graham Corporation	 	MICROMIX	 	11/18/1958	 	669,905	 	US
	Graham Corporation	 	SEALCOOL	 	8/8/2000	 	2,375,893	 	US
	Graham Corporation	 	ULTRAHEAT	 	10/23/2007	 	3,319,469	 	US
	Graham Corporation	 	VACADEMICS	 	9/24/2002	 	2,626,331	 	US
	Graham Corporation	 	VACWORKS	 	11/30/1999	 	2,296,884	 	US
	Graham Corporation	 	G Logo	 	10/06/2006	 	004596011	 	CTM
	Graham Corporation	 	GRAHAM	 	000486845	 	01/16/200	 	CTM
	Graham Corporation	 	GRAHAM	 	004586467	 	11/27/2006	 	CTM
	Graham Corporation	 	GRAHAM & DESIGN	 	000486852	 	3/3/1997	 	CTM
	Graham Corporation	 	GRAHAM ENGINEERING ANSWERS & DESIGN (Class 07)	 	5288202	 	4/14/2006	 	CN
	Graham Corporation	 	GRAHAM ENGINEERING ANSWERS & DESIGN (Class 37)	 	5288203	 	4/14/2006	 	CN
	Graham Corporation	 	GRAHAM ENGINEERING ANSWERS & DESIGN (Class 40)	 	5288204	 	4/14/2006	 	CN
	Graham Corporation	 	GRAHAM ENGINEERING ANSWERS & DESIGN (Class 42)	 	5288205	 	4/14/2006	 	CN
	Graham Corporation	 	GRAHAM ENGINEERING & DESIGN	 	005290275	 	8/23/2007	 	CTM
	Graham Corporation	 	GRAHAM ENGINEERING ANSWERS & DESIGN	 	1502414	 	11/08/2006	 	IN
	Graham Corporation	 	GRAHAM ENGINEERING ANSWERS & DESIGN (Class 07)	 	992949	 	07/23/2007	 	MX
	Graham Corporation	 	GRAHAM ENGINEERING ANSWERS & DESIGN (Class 37)	 	971079	 	01/30/2007	 	MX

									
	Graham Corporation	 	GRAHAM ENGINEERING ANSWERS & DESIGN (Class 40)	 	971080	 	01/30/2007	 	MX
	Graham Corporation	 	GRAHAM ENGINEERING ANSWERS & DESIGN (Class 42)	 	971081	 	01/30/2007	 	MX
	Graham Corporation	 	GRAHAM ENGINEERING ANSWERS & DESIGN (Class 11)	 	848887	 	04/17/2007	 	MX
	Graham Corporation	 	GRAHAM VACUUM AND HEAT TRANSFER & DESIGN (Class 07)	 	5288206	 	04/14/2006	 	CN
	Graham Corporation	 	GRAHAM VACUUM AND HEAT TRANSFER & DESIGN (Class 37)	 	5288207	 	04/14/2006	 	CN
	Graham Corporation	 	GRAHAM VACUUM AND HEAT TRANSFER & DESIGN (Class 40)	 	5288208	 	04/14/2006	 	CN
	Graham Corporation	 	GRAHAM VACUUM AND HEAT TRANSFER & DESIGN (Class 42)	 	5288209	 	04/14/2006	 	CN
	Graham Corporation	 	GVHT (Class 07)	 	5288210	 	04/14/2006	 	CN
	Graham Corporation	 	GVHT (Class 37)	 	5288211	 	04/14/2006	 	CN
	Graham Corporation	 	GVHT (Class 40)	 	5288186	 	04/14/2006	 	CN
	Graham Corporation	 	GVHT (Class 42)	 	5288187	 	04/14/2006	 	CN
	Graham Corporation	 	GVHT (Class 11)	 	5882574	 	02/01/2007	 	CN
	Graham Corporation	 	HELIFLOW	 	736590	 	12/01/2003	 	BX
	Graham Corporation	 	HELIFLOW	 	TMA169350	 	05/22/1970	 	CA
	Graham Corporation	 	HELIFLOW	 	977506	 	07/27/1987	 	DE
	Graham Corporation	 	HELIFLOW	 	226805	 	01/08/2003	 	IE
	Graham Corporation	 	HELIFLOW	 	2320120	 	01/08/2003	 	UK
	Graham Corporation	 	MICROMAX	 	TMA631,364	 	01/27/2005	 	CA
	Graham Corporation	 	MICROMIX	 	TMA169351	 	05/22/1970	 	CA

 TRADEMARK APPLICATIONS 

None.EX-10.5

 EXHIBIT 10.5 

PATENT SECURITY AGREEMENT 

This PATENT SECURITY AGREEMENT (“Agreement”), dated as of December 2, 2015 is made by Graham
Corporation, a Delaware corporation (the “Borrower”), and the undersigned subsidiaries of the Borrower (each, a “Grantor” and collectively, the “Grantors”), in favor of JPMorgan Chase Bank, N.A., as
Administrative Agent (in such capacity, the “Administrative Agent”) for the banks and other financial institutions or entities (the “Lenders”) from time to time parties to the Credit Agreement, dated as of
December 2, 2015 (as amended, restated, supplemented or otherwise modified from time to time, the “Credit Agreement”), among the Borrower, the Lenders, the Administrative Agent and the other parties thereto. 

W I T N E S S E T H: 

WHEREAS, pursuant to the Credit Agreement, the Lenders have severally agreed to make extensions of credit to the
Borrower upon the terms and subject to the conditions set forth therein; 
 WHEREAS, in connection with the Credit
Agreement the Grantors have executed and delivered a Pledge and Security Agreement dated as of December 2, 2015 in favor of the Administrative Agent (as amended, restated, supplemented or otherwise modified from time to time, the
“Security Agreement”); 
 WHEREAS, pursuant to the Security Agreement, the Grantors pledged and
granted to the Administrative Agent for the benefit of the Secured Parties a continuing security interest in all Intellectual Property, including the Patents; and 

WHEREAS, each Grantor has duly authorized the execution, delivery and performance of this Agreement. 

NOW THEREFORE, for good and valuable consideration, the receipt of which is hereby acknowledged, and in order to
induce the Lenders to enter into the Credit Agreement, each Grantor agrees, for the benefit of the Administrative Agent and the Lenders, as follows: 

SECTION 1.     Definitions.   Unless otherwise defined herein or the context
otherwise requires, terms used in this Agreement, including its preamble and recitals, have the meanings provided or provided by reference in the Security Agreement. 

SECTION 2.     Grant of Security Interest.   Each Grantor hereby pledges and
grants a continuing security interest in, and a right of setoff against, and agrees to assign, transfer and convey, upon demand made upon the occurrence and during the continuance of an Event of Default without requiring further action by either
party and to be effective upon such demand, (i) all of such Grantor’s Patents and any licenses thereof, including without limitation those referred to on Schedule A hereto, (ii) all reissues, divisions, continuations,
continuations-in-part, extensions, renewals, and reexaminations thereof, (iii) all rights corresponding thereto throughout the world, (iv) all inventions and improvements described therein, (v) all rights to sue for past, present and
future infringements thereof (collectively, the “Patent Collateral”), and (v) all proceeds of the foregoing, including, without limitation, licenses, royalties, income, payments, claims, damages, and proceeds of suit, to the
Administrative Agent for the benefit of the Secured Parties to secure payment, performance and observance of the Obligations. 

SECTION 3.     Purpose.    This Agreement has been executed and delivered
by each Grantor for the purpose of recording the grant of security interest herein with the United States Patent and Trademark Office. The security interest granted hereby has been granted to the Administrative Agent for the benefit of the Secured
Parties in connection with the Security Agreement and is expressly subject to the terms and conditions thereof. The Security Agreement (and all rights and remedies of the Lenders thereunder) shall remain in full force and effect in accordance with
its terms. 

  
 1 

 SECTION 4.     Authorization to
Supplement.   If any Grantor shall obtain rights to any new Patents, the provisions of this Patent Security Agreement shall automatically apply thereto. Such Grantor shall give notice in writing to Administrative Agent in
accordance with the terms of the Security Agreement with respect to any such new Patents or renewal or extension of any Patent registration. Without limiting such Grantor’s obligations under this Section, such Grantor hereby authorizes the
Administrative Agent unilaterally to modify this Patent Security Agreement by amending Schedule A to include any such new Patent rights of such Grantor. Notwithstanding the foregoing, no failure to so modify this Patent Security Agreement or
amend Schedule A shall in any way affect, invalidate or detract from the Administrative Agent’s continuing security interest in all Patent Collateral, whether or not listed on Schedule A. 

SECTION 5.     Applicable Law.   THIS PATENT SECURITY AGREEMENT SHALL BE
SUBJECT TO THE PROVISIONS REGARDING CHOICE OF LAW AND VENUE, JURY TRIAL WAIVER, AND JUDICIAL REFERENCE SET FORTH IN SECTION 7 OF THE SECURITY AGREEMENT, AND SUCH PROVISIONS ARE INCORPORATED HEREIN BY THIS REFERENCE, MUTATIS MUTANDIS.

 SECTION 6.     Acknowledgment.   Each Grantor does hereby further
acknowledge and affirm that the rights and remedies of the Secured Parties with respect to the security interest in the Patent Collateral granted hereby are more fully set forth in the Credit Agreement and the Security Agreement, the terms and
provisions of which (including the remedies provided for therein) are incorporated by reference herein as if fully set forth herein. In the event of any conflict between the terms of this Agreement and the terms of the Security Agreement, the terms
of the Security Agreement shall govern. 
 SECTION
7.     Counterparts.     This Agreement may be executed in any number of counterparts and delivered via facsimile or other electronic format, each of which when so executed and delivered shall
be deemed an original, but all such counterparts together shall constitute but one and the same instrument. 
 [Signature page follows] 

  
 2 

 IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
duly executed and delivered by their respective officers thereunto duly authorized as of the day and year first above written. 
  

			
	 GRANTORS:

	
	 GRAHAM CORPORATION, a Delaware corporation

	
	 By: /s/ Jeffrey Glajch

	 Name: Jeffrey Glajch

	 Title: Chief Financial Officer

	
	 ENERGY STEEL & SUPPLY CO., a Michigan corporation

	
	 By: /s/ Jeffrey Glajch

	 Name: Jeffrey Glajch

	 Title: Chief Financial Officer

	
	 ADMINISTRATIVE AGENT:

	
	 JPMORGAN CHASE BANK, N.A.,

as Administrative Agent for the Lenders

	
	 By: /s/ Philip M. Hendrix

	 Name:
	 	 Philip M. Hendrix

	 Title:
	 	 Vice President and Authorized Officer

  
 3 

 SCHEDULE A 

U.S. Patent Registrations and Applications 

PATENTS 
  

							
	Name of Grantor	 	Patent Description 	 	Patent Number	 	Issue Date
	Graham Corporation	 	Instantaneous Water Heater 	 	7140378	 	11-28-2006
	Graham Corporation	 	 Apparatus For Removing Ammonia And Carbon

Dioxide Gases From A
 Steam
	 	5772709	 	06-30-1998

 PATENT APPLICATIONS 

None.

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