Document:

EX-4.40

 Exhibit 4.40 

June 27, 2016 
 Charles Zhang 

Chairman of the Board 
 Changyou.com Limited 

Dear Charles, 
 Please accept my formal
resignation as follows: 
 a)    I hereby resign from my positions as (i) a member of the board of directors of
Changyou.com Limited (“Changyou”), effective June 24, 2016, and (ii) Co-Chief Executive Officer of Changyou, effective July 31, 2016 (the
“Co-CEO Termination Date”). 
 b)    Changyou and I hereby agree that,
for one year after the Co-CEO Termination Date (the “Non-compete Period”), I will not, on my own behalf, or as owner, manager, stockholder (other than as
stockholder of less than 2% of the outstanding stock of a company that is publicly traded or listed on a stock exchange), consultant, director, officer or employee of or in any other manner connected with any business entity, participate or be
involved in any Competitor without the prior written authorization of Changyou. “Competitor” means any business of the type and character of business in which Changyou engages or proposes to engage and may include, without limitation, an
individual, company, enterprise, partnership enterprise, government office, committee, social organization or other organization that, in any event, produces, distributes or provides the same or substantially similar kind of product or service as
Changyou. “Competitor” includes without limitation: Tencent Holdings Limited, NetEase.com, Inc., Shanda Games Limited, Perfect World Co., Ltd., Kalends Inc., iDreamsky Technology Ltd., NetDragon Websoft Inc., Kingsoft Corporation Limited
and YY Inc., and such other companies as are described as competitors in Changyou’s annual report on Form 20-F for the fiscal year ended December 31, 2015. 

c)    Changyou and I hereby agree that paragraph (b) of this letter agreement will replace Section 1 of the
Employee Non-Competition, Non-Solicitation, Confidential Information and Work Product Agreement dated as of January 1, 2015 between Changyou and me (the
“Employee Obligations Agreement”), and that Section 2 of the Employee Obligations Agreement will remain in effect in accordance with its existing terms, except that it will remain in effect during the
Non-compete Period hereunder rather than the period provided for in the Employee Obligations Agreement, and all other provisions of the Employee Obligations Agreement will survive the termination of my
employment in accordance with its terms. 
 d)    Changyou and I hereby agree that I will receive a bonus in the amount
of RMB ¥3,000,000 for the period from January 1, 2016 to July 31, 2016 as compensation for serving as Changyou’s Co-Chief Executive Officer. The payment shall be made in US dollars before July 31, 2016 to my designated bank
account. 
 e)    Except for Section 6(f), and Sections 7, 8, 9, 10 and 11 of the Executive Employment Agreement dated
January 1,2015 between Changyou and me (the “Employment Agreement”), which will survive indefinitely, Changyou and I hereby agree that the Employment Agreement will be terminated effective as of the
Co-CEO Termination Date. 
 f)    I hereby agree, on my own behalf, and on
behalf of my heirs, successors and assigns, that the terms of this letter agreement will be in complete and final settlement of any and all claims, rights, interests, demands, compensation and damages (“Claims”), whether known or unknown,
of every name and nature, both in law and equity, I have or may have, or have ever had from the beginning of the world to this date, against Changyou and all affiliated or related entities of Changyou (collectively with Changyou, the “Changyou
Group”), or any director, officer, employee, independent contractor, consultant, stockholder, manager, member, partner, trustee, beneficiary or agent of any of the foregoing through the date hereof, in any way relating to or arising out of my
employment with Changyou, and the termination of such employment. This release does not release Changyou from any of its obligations under this letter agreement. 

  
 -1- 

 g)    Changyou hereby agrees that the terms of this letter agreement will be
in complete and final settlement of any and all Claims, whether known or unknown, of every name and nature, both in law and equity, it has or may have, or has ever had from the beginning of the world to this date, against me through the date it has
signed this letter agreement, in any way related to or arising out of my employment with Changyou and the termination of such employment. This release does not release me from, or waive any of the rights of Changyou or any other member of the
Changyou Group with respect to, (i) any of my obligations under this letter agreement or (ii) any act or omission that constitutes gross negligence, intentional misconduct, fraud, bad faith or a knowing material violation of law. 

h)     This letter agreement will be governed by and construed in accordance with the laws of the State of New York,
without regard to the doctrine of conflict of laws. 
  

	
	Very truly yours,
	
	 /s/ Carol Yu

	Carol Yu

 Accepted and agreed to: 
  

			
	 By:
	 	 /s/ Charles Zhang

	 Charles Zhang

	 Changyou.com Inc.

	 Chairman of the Board

  
 -2-EX-10.1.37

 Exhibit 10.1.37 

THE USE OF THE FOLLOWING NOTATION IN THIS EXHIBIT INDICATES THAT THE CONFIDENTIAL PORTION HAS BEEN OMITTED PURSUANT TO A REQUEST FOR
CONFIDENTIAL TREATMENT AND THE OMITTED MATERIAL HAS BEEN FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION: [***] 
 Amendment
#2 
 to the 
 2Ku In-Flight Connectivity Services Agreement 
 This Amendment #2 (this “Amendment”), made as of
October 14, 2016, by and between Gogo LLC and Delta Air Lines, Inc., amends the 2Ku In-Flight Services Connectivity Agreement between the parties, dated April 1, 2015, as previously amended in
Amendment #1, dated April 1, 2016 (collectively the “Agreement”). 
 WHEREAS, Delta and Gogo desire to amend the Agreement to provide a way
to add additional Fleet Types and Other Services by use of Statement of Works. 
 NOW, THEREFORE, in consideration of the mutual covenants hereinafter set
forth and other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the parties hereby agree to amend the AGREEMENT as follows: 
  

	1.	Section 1.70 “Trigger Date” is hereby deleted in its entirety and replaced with the following: 

“Trigger Date” means, for a Fleet Type[***]. 
  

	2.	Section 2.3 “Additional Fleet Types and Installable Additional 2Ku A/C” is hereby deleted in its entirety and replaced with the following: 

Additional Fleet Types and Installable Additional 2Ku A/C. At Delta’s request, the parties will work together to develop an
installation schedule and agree upon such other technical requirements as are necessary to deliver and install the Equipment on Fleet Types of A/C that are not part of the Initial 2Ku Fleet (“Additional Fleet Types”), with such timing and
technical details to be set forth in one or more agreed upon statements of work (each, a “Statement of Work”). Such Statements of Work will reflect, inter alia, whether the A/C in such Additional Fleet Type(s) are Domestic A/C or
International A/C. Gogo will be responsible for all Equipment and related paperwork as required to convert A/C of Additional Fleet Types into Installed A/C, and will use commercially reasonable efforts to complete a Supplemental Type Certificate
(“STC”) for the applicable A/C as expeditiously as possible after notification by Delta of its intent to add Additional Fleet Types. Upon Delta’s election, Gogo shall perform the Services set forth in this Agreement with respect to
Additional Fleet Type A/C pursuant to the terms of this Agreement except as set forth above. 
 In addition, upon Delta’s election, Gogo
shall perform the Services set forth in this Agreement with respect to additional A/C that are not a part of, but are of the same Fleet Types as those in, the Initial 2Ku Fleet (the “Existing Fleet Type A/C”; together with the
Additional Fleet Type A/C, the “Installable Additional 2Ku A/C”) pursuant to the terms of this Agreement. The tail numbers of such Existing Fleet Type A/C will be added to this Agreement and set forth in the applicable Statement of
Work. 
  

	3.	Section 5.9 “Statements of Work” is hereby deleted in its entirety and replaced with the following: 

Other Services. For other Services not described herein that Gogo is to perform pursuant to this Agreement, and that affect all
Fleet Types, the parties will execute an amendment to the Agreement. For other Services not described herein that Gogo is to perform pursuant to this Agreement, and that are specific to only one Fleet Type, the parties will incorporate such Services
into a Statement of Work. No amendment or Statement of Work will be effective unless and until signed by both parties. Gogo agrees to 

 Exhibit 10.1.37 
  

 
provide Services requested by Delta so long as such Services are of the type provided by Gogo to other customers and agrees to use good faith efforts to negotiate and enter into amendments and
Statements of Work with respect to such requested Services. All labor rates set forth in amendments and Statements of Work shall be subject to Section 9.10 of this Agreement. 

 

	4.	Capitalized terms not defined herein shall have the meanings ascribed to them in the Agreement. This Amendment: (a) constitutes the entire agreement between the parties with respect to the amendment(s) set forth
herein and supersedes all prior understandings, agreements whether written or oral between the parties relating thereto; (b) may not be amended or modified except by a written agreement duly executed on behalf of the parties; (c) shall in
all respects (including non-contractual disputes or claims arising out of or in connection with this Amendment) be subject to and construed in accordance with the law governing the Agreement; (d) is
legally binding upon and inures to the benefit of the parties and their permitted successors and assigns, and no third party is intended to benefit from, nor may any third party seek to enforce, any of the terms of this Amendment; and (e) shall
prevail over any conflicting terms and conditions in the Agreement. As amended hereby, the Agreement shall be and remain in full force and effect. 

IN WITNESS WHEREOF, the parties have caused this Amendment to be executed by their duly authorized representatives as of the date and year first written
above. 
  

									
	  Gogo, LLC	 	Delta Air Lines, Inc.
					
	  By	 	   /s/ Michael Small
	 		 	By	 	   /s/ John D. Reynolds

					
	  Name    	 	   Michael Small
	 		 	Name    	 	   John D. Reynolds

					
	  Title	 	   President and Chief Executive Officer
	 		 	Title	 	   Commodity Manager, Supply Chain Management

					
	  Date	 	   10/27/2016
	 		 	Date	 	   10/20/2016

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