Document:

EX-4.52

 Exhibit 4.52 

AMENDED AND RESTATED EXCLUSIVE EQUITY PURCHASE AND TRANSFER OPTION AGREEMENT 

 
 This Exclusive Equity Purchase and Transfer Option Agreement (this
“Agreement”) is entered into by and among the following parties in Beijing, PRC on January 18, 2017: 
  

					
	Party A:	 		  	Baidu Online Network Technology (Beijing) Co., Ltd.
	Address:	 		  	3/F Baidu Building, No. 10 Shangdi 10th Street, Haidian District, Beijing
			
	Party B:	 		  	Yanhong Li
	Address:	 		  	
			
	Party C:	 		  	Beijing Baidu Netcom Science Technology Co., Ltd.
	Address:	 		  	2/F Baidu Building, No. 10 Shangdi 10th Street, Haidian District, Beijing

 In this Agreement, Party A, Party B and Party C are called collectively as the “Parties” and each of
them is a “Party.” 
 WHEREAS: 

1. Party A is a wholly foreign-owned enterprise incorporated under the laws of the People’s Republic of China (the “PRC”); 

2. Party C is a liability limited company incorporated in Beijing, the PRC; 

3. Party B is a shareholder of Party C, owning 99.5% equity interests in Party C (the “Equity Interest”); 

4. Party A and Party B entered into an Amended and Restated Loan Agreement dated January 18, 2017, whereby Party B obtains a loan from Party A (the
“Loan Arrangement”); 
 5. Party A and Party C entered into a series of agreement on March 22, 2005,
including the Exclusive Technology Consulting and Services Agreement (the “Services Agreements”); and 
 6.
Party A and Party B entered into an Amended and Restated Equity Pledge Agreement (the “Equity Pledge Agreement”) dated January 18, 2017; and 

7. Party A, Party B and other relevant parties have entered into a series of exclusive equity purchase and transfer option agreements (collectively the
“Original Option Agreements”) listed in Appendix 1 hereof, and all the Parties hereto now agree to execute this Agreement to amend and restate the Original Option Agreements. This Agreement shall supersede and replace the Original Option
Agreements as of the effective time provided herein. 
 NOW, THEREFORE, the Parties agree as follows through negotiations and to be bound
hereby: 
  

	1.	Purchase and Sale of Equity Interest 

  
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 1.1 Granting of Rights 

Party B hereby irrevocably grants to Party A an option to purchase or cause any one or more designated persons (“Designated
Persons”) to purchase, to the extent permitted under PRC law, according to the steps determined by Party A, at the price specified in Article 1.3 of this Agreement, and at any time from Party B (the
“Transferor”), a portion or all of the equity interests held by Party B in Party C (the “Option”). No Option shall be granted to any third party other than Party A and/or the Designated Persons. Party
C hereby agrees to granting of the Option by Party B to Party A and/or the Designated Persons. For purpose of this Section 1.1 and this Agreement, “person” means individual, corporation, joint venture, partnership, enterprise, trust
or unincorporated organization. 
 1.2 Exercise Steps 

Subject to PRC law and regulations, Party A and/or the Designated Persons may exercise the Option by issuing a written notice (the
“Option Notice”) to the Transferor, specifying the equity interest to be purchased from the Transferor (the “Purchased Equity Interest”)
and the manner of such purchase. 
 1.3 Purchase Price 
 1.3.1
If Party A exercises the Option, the purchase price of the Purchased Equity Interest (“Purchase Price”) shall be equal to the actual paid-in capital paid by the
Transferor for the Purchased Equity Interest, unless then applicable PRC laws and regulations require appraisal of the Purchased Equity Interest or stipulate other restrictions on the Purchase price. 

1.3.2 If the applicable PRC laws require appraisal of the Purchased Equity Interest or stipulate other restrictions on the Purchase Price at the time that
Party A exercises the Option, the Parties agree that the Purchase Price shall be set at the lowest price permissible under applicable law. 
 1.4 Transfer
of the Purchased Equity Interest 
 At each exercise of the Option: 

1.4.1 The Transferor shall, in accordance the terms and conditions of this Agreement and the Option Notice in connection with the Purchased Equity Interest,
enter into an equity transfer agreement with Party A and/or the Designated Persons (as applicable) for each transfer in a substance and form satisfactory to Party A; 

1.4.2 The Transferor shall execute all other requisite contracts, agreements or documents, obtain all requisite government approvals and consents, and take
all necessary actions to unconditionally transfer the valid ownership of the Purchased Equity Interest to Party A and/or the Designated Persons free of any security interest, and cause Party A and/or the Designated Persons to be the registered
owner(s) of the Purchased Equity Interest. For purpose of this Section 1.4.2 and this Agreement, “Security Interest” includes without limitation guaranty, mortgage, pledge, third-party right or interest, any share option, right of
acquisition, right of first refusal, right of set-off, ownership retention or other security arrangements. However, it does not include any security interest arising under the Equity Pledge Agreement. 

  
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 1.5 Payment 

Payment manner of the Purchase Price shall be determined through negotiations between Party A and/or the Designated Persons and the Transferor in accordance
with then applicable laws at the exercise of the Option. The Parties hereby agree that, subject to applicable laws, Transferor shall repay to Party A any amount that is paid by Party A and/or the Designated Persons to the Transferor in connection
with the Purchased Equity Interest (which amount may be net of any tax and other fees (if any) paid by the Transferor in connection with the proposed transaction contemplated under the transfer agreement). 

 

	2.	Covenants Relating to the Equity Interest  

2.1 Covenants Relating to Party C 
 Party B and Party C hereby
covenant, in relation to Party C: 
 2.1.1 Not to supplement, amend or modify Party C’s articles of association in any way, or to increase or decrease
its registered capital, or to change its registered capital structure in any way without Party A’s prior written consent; 
 2.1.2 To maintain the
corporate existence of Party C and operate its business and deal with matters prudently and effectively according to good financial and business rules and practices; 

2.1.3 Not to sell, transfer, mortgage or otherwise dispose of, or permit any other security interest to be created on, any of Party C’s assets, business
or legal or beneficial interests in its revenue at any time after the signing of this Agreement without Party A’s prior written consent; 
 2.1.4 Not
to incur, succeed to, guarantee or permit the existence of any liability, without Party A’s prior written consent, except (i) liabilities arising from the normal course of business, but not arising from loans; and (ii) liabilities
disclosed to Party A and approved by Party A in writing; 
 2.1.5 To operate persistently all the business in the normal course of business to maintain the
value of Party C’s assets, and not to commit any act or omission that would affect its operations and asset value; 
 2.1.6 Without prior written
consent by Party A, not to enter into any material agreement, other than agreements entered into in Party C’s normal course of business (for purpose of this paragraph, an agreement will be deemed material if its value exceeds RMB500,000); 

2.1.7 Not to provide loans or credit to any person without Party A’s prior written consent; 

  
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 2.1.8 To provide all information relating to Party C’s operations and financial conditions upon the request
of Party A; 
 2.1.9 To purchase and maintain insurance from insurance companies accepted by Party A. The amount and category of the insurance shall be the
same as those of the insurance normally procured by companies engaged in similar businesses and possessing similar properties or assets in the area where Party C is located; 

2.1.10 Not to merge or consolidate with, or acquire or invest in, any person without Party A’s prior written consent; 

2.1.11 To promptly notify Party A of any pending or threatened suit, arbitration or administrative proceedings concerning Party C’s assets, business or
revenue; 
 2.1.12 To execute all necessary or appropriate documents, take all necessary or appropriate actions and to bring all necessary or appropriate
claims or to make all necessary and appropriate defenses against all claims in order for Party C to maintain the ownership over all its assets; 
 2.1.13
Not to distribute dividends to Party C’s shareholders in any way without Party A’s prior written consent. However, Party C shall promptly distribute all or part of its distributable profits to its shareholders upon Party A’s request;

 2.1.14 At the request of Party A, to appoint persons nominated by Party A to be executive directors of Party C; 

2.2 Covenants Relating to the Transferor 
 Party B hereby
covenants: 
 2.2.1 Not to sell, transfer, mortgage or otherwise dispose of, or allow any other security interest to be created on, the legal or beneficial
interest in the Equity Interest at any time after the signing of this Agreement without Party A’s prior written consent, other than the pledge created on the Transferor’s Equity Interest in accordance with the Equity Pledge Agreement; 

2.2.2 Without Party A’s prior written consent, not to vote for or sign any shareholders’ resolution at Party C’s shareholders’ meetings to
approve the sale, transfer, mortgage or disposition in any other manner of, or the creation of any other security interest on, any legal or beneficial interest in the Equity Interest, except to or for the benefit of Party A or its designated
persons; 
 2.2.3 Without Party A’s prior written consent, not to vote for or sign any shareholders’ resolution at Party C’s
shareholders’ meetings to approve Party C’s merger or consolidation with, acquisition of or investment in, any person; 
 2.2.4 To promptly notify
Party A of any pending or threatened suit, arbitration or administrative proceedings concerning the Equity Interest owned by it; 

  
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 2.2.5 To execute all necessary or appropriate documents, to take all necessary or appropriate actions and to
bring all necessary or appropriate claims or to make all necessary and appropriate defenses against all claims in order to maintain his ownership over the Equity Interest; 

2.2.6 At the request of Party A, to appoint persons nominated by Party A to be executive directors of Party C; 

2.2.7 At any time upon the request of Party A, to transfer its Equity Interest immediately and unconditionally to the representative designated by Party A,
and waive its preemptive right with respect to the transfer of equity interest by the other shareholder of Party C; 
 2.2.8 To fully comply with the
provisions of this Agreement and the other agreements entered into jointly or respectively by and among the Transferor, Party C and Party A, perform all obligations under these agreements and not commit any act or omission that would affect the
validity and enforceability of these agreements; and 
 2.2.9 To transfer to Party A all dividends and any other form of profit distributed to it by Party
C. 
 2.3 Covenants Relating to Party A 
 Party A hereby
covenants: 
 2.3.1 If Party C needs any loan or other capital support in its business, under acceptable and reasonable scope, Party A shall provide such
capital support without imposing any condition or restriction; and 
 2.3.2 If Party C cannot repay the loan from Party A as loss incurred and has
sufficient evidence to prove, Party A agrees that it will unconditionally give up its right to require Party C to repay the loan. 
  

	3.	Representations and Warranties 

 As of the date of this
Agreement and each transfer date, each of the Transferor and Party C hereby represents and warrants to Party A as follows: 
 3.1 It has the power and
authority to execute and deliver this Agreement, and any equity transfer agreement (the “Transfer Agreement”) to which it is a party for each transfer of the Purchased Equity under this Agreement and to
perform its obligations under this Agreement and any Transfer Agreement. Once executed, this Agreement and any Transfer Agreement to which it is party will constitute a legal, valid and binding obligation of it enforceable against it in accordance
with its terms; 
 3.2 The execution, delivery and performance of this Agreement or any Transfer Agreement by it will not: (i) violate any relevant PRC
laws and regulations; (ii) conflict with its articles of association or other organizational documents; (iii) violate or constitute a default under any contract or instrument to which it is party or that binds upon it; (iv) violate
any condition for the grant and/or continued effectiveness of any permit or approval granted to it; or (v) cause any permit or approval granted to it to be suspended, cancelled or attached with additional conditions; 

  
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 3.3 Party C has good and marketable ownership interest in all of its assets and has not created any security
interest on the said assets; 
 3.4 Party C has no outstanding liabilities, except (i) liabilities arising in its normal course of business; and
(ii) liabilities disclosed to Party A and approved by Party A in writing; 
 3.5 There are currently no existing, pending or threatened litigations,
arbitrations or administrative proceedings related to the Equity Interest, Party C’s assets or Party C; and 
 3.6 The Transferor has good and
marketable ownership interest in the Equity Interest and has not created any security interest on such Equity Interest, other than the security interest pursuant to the Equity Pledge Agreement. 

 

	4.	Assignment of Agreement 

 4.1 Party B and Party C shall
not assign their rights and obligations under this Agreement to any third party without the prior written consent of Party A. 
 4.2 Party B and Party C
hereby agree that Party A may assign all its rights and obligation under this Agreement to a third party as Party A sees fit, in which case Party A only needs to give a written notice to Party B and Party C and no further consent of Party B or Party
C is required. 
  

	5.	Effectiveness and Term 

 5.1 This Agreement shall be
effective as of the date first set forth above. 
 5.2 This Agreement shall remain valid for ten (10) years unless early terminated pursuant to the
terms of this Agreement or other relevant agreement separately executed by the Parties. Party B and Party C confirm that this Agreement may be extended with Party A’s written confirmation prior to the expiry of the effective term hereof without
obtaining the consent of Party B or Party C; the extension period shall be determined by the Parties upon consultations. 
 5.3 If the duration of operation
(including any extension thereof) of Party A or Party C is expired or terminated for other reasons within the term set forth in Article 5.2, this Agreement shall be terminated simultaneously, except in the situation where Party A has assigned its
rights and obligations in accordance with Article 4.2 hereof. 
  

	6.	Applicable Law and Dispute Resolution 

6.1 Applicable Law 
 The formation, validity, interpretation and
performance of and resolution of any dispute arising from this Agreement shall be protected and governed by the laws of the PRC. 

  
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	6.2	Dispute Resolution 

 Any dispute arising in connection with the interpretation and performance of the
provisions of this Agreement shall be resolved by the Parties in good faith through negotiations. In case no resolution can be reached by the Parties within thirty (30) days after either party makes a request for dispute resolution through
negotiations, either party may refer such dispute to China International Economic and Trade Arbitration Commission (“CIETAC”) for arbitration in accordance with CIETAC’s arbitration rules then in effect. The seat of arbitration shall
be Beijing and language of proceedings shall be Chinese. The arbitral award shall be final and binding upon the Parties. 
  

	7.	Taxes and Expenses 

 Every Party shall, in accordance
with PRC laws, bear any and all transfer and registration taxes, expenses and charges incurred by or levied on it with respect to the preparation and execution of this Agreement and each Transfer Agreement and the consummation of the transactions
contemplated under this Agreement and each Transfer Agreement. 
  

	8.	Notices 

 Any notice or other communication forms which is given by the parties hereto shall be in
Chinese and delivered personally to the addresses listed as below or the addresses designated by the Parties. The notice time which is deemed as the time when the notice actually reaches the addressee follows: (a) the notice time of the notice
delivered personally shall be the day when the person conducts the delivery; (b) the notice time of the notice delivered as mail shall be the tenth (10th) day following the mailing date of
the registered mail by air (marked by seal) or shall be the fourth (4th) day following the day handing to internally recognized delivery services organizations; and (c) the notice time of the
notice delivered by facsimile shall be the acceptance time on the delivery confirmation. 
  

			
	Party A:	  	Baidu Online Network Technology (Beijing) Co., Ltd.
	Address:	  	Baidu Building, No. 10 Shangdi 10th Street, Haidian District, Beijing
	Facsimile:	  	59927435
	Telephone:	  	59928888
		
	Party B:	  	Yanhong Li
	Address:	  	
	Facsimile:	  	59927435
	Telephone:	  	59928888
		
	Party C:	  	Beijing Baidu Netcom Science Technology Co., Ltd.
	Address:	  	2/F Baidu Building, No. 10 Shangdi 10th Street, Haidian District, Beijing
	Facsimile:	  	59927435
	Telephone:	  	59928888

  
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	9.	Confidentiality 

 The Parties acknowledge and confirm any oral or written materials exchanged by
the Parties in connection with this Agreement are confidential. The Parties shall maintain the confidentiality of all such materials. Without the written approval by the other Parties, any Party shall not disclose to any third party any relevant
materials, but the following circumstances shall be excluded: 
  

	 	a.	Materials that are or will become known by the public (through no fault of the receiving party); 

  

	 	b.	Materials required to be disclosed by the applicable laws or rules of the stock exchange; and 

  

	 	c.	Materials disclosed by each Party to its legal or financial advisors relating the transactions contemplated by this Agreement, and such legal or financial advisors shall comply with the confidentiality provisions
similar to this article. 

 The disclosure of information by the staff or consultants of any party shall be deemed as disclosure by the party
itself. This Article 9 shall survive any invalidity, termination, expiration or unenforceability of this Agreement. 
  

	10.	Further Assurances 

 The Parties agree to promptly execute documents and take
further actions that are reasonably required for, or beneficial to, the purpose of performing the provisions and carrying out the intent of this Agreement. 
  

	11.	Miscellaneous 

 11.1 Amendment, Modification or Supplement 

Any amendment or supplement to this Agreement shall be made by the Parties in writing. The amendments or supplements duly executed by each Party shall be
deemed as a part of this Agreement and shall have the same legal effect as this Agreement. 
  

	11.2	Entire Agreement 

 Notwithstanding Article 5 of this Agreement, the Parties acknowledge that once this
Agreement becomes effective, it shall constitute the entire agreement and understanding of the Parties with respect to the subject matters hereof and shall supersede all prior oral and/or written agreements and understandings by the Parties with
respect to the subject matters hereof. This Agreement shall supersede the original exclusive equity purchase and transfer option agreement previously entered into by the Parties and other involved parties and such original exclusive equity purchase
and transfer option agreement shall terminate immediately after this Agreement becomes effective. 

  
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 11.3 Severability 

If any provision of this Agreement is judged to be invalid, illegal or unenforceable in any respect according to any applicable law or regulation, the
validity, legality and enforceability of the other provisions hereof shall not be affected or impaired in any way. The Parties shall, through good-faith negotiations, replace those invalid, illegal or unenforceable provisions with valid provisions
that may bring about economic effects as similar as possible to those from such invalid, illegal or unenforceable provisions. 
 11.4 Headings 

The headings contained in this Agreement are for the convenience of reference only and shall not be used for the interpretation or explanation or otherwise
affect the meaning of the provisions of this Agreement. 
 11.5 Language and counterparts 

This Agreement is executed in Chinese in three originals; each Party holds one original and each original has the same legal effect. 

11.6 Successor 
 This Agreement shall bind upon and inure to the
benefit of the successors and permitted assigns of each Party. 
 11.7 Survival 

Any obligation arising from or becoming due under this Agreement before its expiration or premature termination shall survive such expiration or premature
termination. Articles 6, 8 and 9 and this Article 11.7 shall survive the termination of this Agreement. 
 11.8 Waiver 

Any Party may waive the terms and conditions of this Agreement by a written instrument signed by the Parties. Any waiver by a Party to a breach by the other
Parties in a specific situation shall not be construed as a waiver to any similar breach by the other Parties in other situations. 
 [No text below] 

  
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 [This page contains no body text] 

IN WITNESS WHEREOF, each Party has caused this Agreement to be executed by its legal representative or its duly authorized representative
as of the date first written above. 
  

	
	Party A: Baidu Online Network Technology (Beijing) Co., Ltd.
	
	/s/:     Hailong Xiang
	
	Seal of Baidu Online Network Technology (Beijing) Co., Ltd.
	
	Party B: Yanhong Li
	
	/s/:     Yanhong Li
	
	Party C: Beijing Baidu Netcom Science Technology Co., Ltd.
	
	/s/:     Zhixiang Liang
	
	Seal of Beijing Baidu Netcom Science Technology Co., Ltd.

  
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 Appendix 1 

Original Option Agreement 
  

							
	No.	  	Contract Name	  	Parties	  	Date of Execution
				
	1	  	 Amended and Restated Exclusive
 Option
Agreement
	  	 Baidu Online
 Network Technology

(Beijing) Co., Ltd.;
 Beijing Baidu Netcom

Science Technology
 Co., Ltd.; Yanhong

Li; Yong Xu
	  	20050322
				
	2	  	 Exclusive Option Agreement for
 Capital Increase
Equity
	  	 Baidu Online
 Network Technology

(Beijing) Co., Ltd.;
 Beijing Baidu Netcom

Science Technology
 Co., Ltd.; Yanhong Li;
	  	20060210
				
	3	  	Exclusive Equity Option Agreement	  	 Baidu Online
 Network Technology

(Beijing) Co., Ltd.;
 Beijing Baidu Netcom

Science Technology
 Co., Ltd.; Yanhong Li;
	  	20080306
				
	4	  	 Supplementary Agreement to Amended
 and Restated
Exclusive Option
 Agreement
	  	 Baidu Online
 Network Technology

(Beijing) Co., Ltd.;
 Beijing Baidu Netcom

Science Technology
 Co., Ltd.; Yanhong

Li; Yong Xu
	  	20100422
				
	5	  	 Update Agreement of Amended and
 Restated
Exclusive Option Agreement
 and its Supplementary Agreement
	  	 Baidu Online
 Network Technology

(Beijing) Co., Ltd.;
 Beijing Baidu Netcom

Science Technology
 Co., Ltd.; Yanhong

Li; Haoyu Shen; Zhan Wang
	  	20110826

  
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	6	  	Amended and Restated Exclusive Option Agreement	  	 Baidu Online
 Network Technology

(Beijing) Co., Ltd.;
 Beijing Baidu Netcom

Science Technology Co.,
 Ltd.; Yanhong Li
	  	20151130
				
	7	  	Amended and Restated Exclusive Option Agreement	  	 Baidu Online
 Network Technology

(Beijing) Co., Ltd.; Beijing Baidu Netcom Science Technology Co., Ltd.; Yanhong Li;
	  	20151231

  
 12EX-4.53

 Exhibit 4.53 

Irrevocable Power of Attorney 

I, Yanhong Li, citizen of the People’s Republic of China (the “ PRC”) with ID No.:
                                        , is the
shareholder holding 99.5% equity interests of Beijing Baidu Netcom Science Technology Co., Ltd. (the “Baidu Netcom”), hereby irrevocably appoint Hailong Xiang with the following powers and rights during the term of this Power of Attorney,
with respect to my current and future equity interests in Baidu Netcom (“My Equity”): 
 I hereby appoint Hailong Xiang as my sole
and exclusive agent, to exercise, on my behalf, all voting rights of shareholder in accordance with PRC laws and Baidu Netcom’s Articles of Association at the shareholders’ meetings of Baidu Netcom, including but not limited to the right
to sell or transfer any or all of equity interests of Baidu Netcom held by me and to designate and appoint the general manager of Baidu Netcom as my authorized representative on the shareholders’ meeting of Baidu Netcom. 

The authorization and appointment are conditioned on that Hailong Xiang is acting as an employee of Baidu Online Network Technology (Beijing)
Co., Ltd (“Baidu Online”) and Baidu Online approves the authorization and appointment. Once Hailong Xiang loses his title or position in Baidu Online or Baidu Online notifies me to terminate the authorization and appointment, I will
withdraw the authorization and appointment immediately and designate/authorize the other individual nominated by Baidu Online to exercise the full voting rights on my behalf at the shareholders’ meetings of Baidu Netcom. 

Unless otherwise expressly provided herein, this Power of Attorney is irrevocable and continues to have effect as of the date hereof so long
as I hold equity interests in Baidu Netcom. 
  

			
	 Signature:
	 	 /s/ Yanhong li

 Date: June 13, 2016 

  
 1

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