Document:

English Translation of House Lease Contract

 Exhibit 4.50 
 English Translation 
 House Lease Contract 

(For Office) 
 Contract
Number: TU2011080259741OC   
 Party A (Lessor): Shanghai Digital Entertainment Industry Management Co., Ltd. 

Domicile: No. 20 North Chaling
Road                     Postal code: 200032 
 Legal representative:                             Tel.: 64036299

 Party B (Lessee): Wohong Network Technology (Shanghai) Co., Ltd. 
 Domicile:              Postal code:              

Legal representative:              Tel.:
             
 In accordance with the stipulations of the Contract Law of the
People’s Republic of China and the Regulations of Shanghai Municipality on Housing Lease (hereafter the “Regulations”), Party A and Party B, on the basis of free will, equality, fairness, honesty and credibility and after
negotiations, hereby enter into this Contract with respect to Party B leasing from Party A the Premises (as defined below) over which Party A has the full right of operation and that can be leased out in accordance with law, on the terms and subject
to the provisions as set forth below. 
 Article 1 Information on the Premises 
 1. The house to be leased by Party A to Party B is located at Suites 5301, “X2 Xuhui Creative Space” Project, No. 20 North Chaling Road, Shanghai (hereafter the “Premises”). The paid
area of the Premises is 376 square meters. (For the specific location of the Premises, refer to Schedule 1 hereto). 
 2. The paid area
of the Premises is 376 square meters. If the paid area of the Premises is inconsistent with the construction area or lease area measured by any person, organization or agency or the area computed by other means, both parties agree to adjust
the rent of the Premises as well as any other expenses calculated on the basis of the lease area of the Premises. 

 3. The floor plan of the Premises is set out in Schedule 1 hereto and has been presented by Party A to Party
B. The specific lease location is marked with black line for identification. 
 4. Party B acknowledges that as of the date hereof, Party
B has known and recognized that the property right certificate of the Premises is under application, and undertakes not to take this as the basis for refusing to pay the rent or claim the ineffectiveness of this Contract. Party A undertakes that its
leasing act complies with the laws and regulations of the People’s Republic of China and has been duly authorized by the original real estate right owner and further undertakes that Party B’s right to use the Premises pursuant to this
Contract will be free of any interference from any third person (including original real estate right owner). 
 5. The conditions of the
existing renovations, ancillary facilities and equipment of the Premises, the contents and standards of the renovations to be made and ancillary facilities to be added by Party B with Party A’s consent as well as other relevant matters needing
to be specified are to be set out by Party A and Party B in Schedule 2 hereto. Party B declares that Party B has visited and inspected the Premises prior to the execution of this Contract, has a full understanding of the conditions of the
renovations and facilities of the Premises and acknowledges the conformity with the purpose of the lease. Party A will deliver the Premises on AS IS basis and both parties shall sign the confirmation document at the time of handover. Both parties
agree that this schedule and the said confirmation document serve as the basis for checking when Party A delivers the Premises to Party B and Party B returns the Premises to Party A upon termination or premature termination of this Contract.

 Article 2 Purpose of Lease 

1. Party B will lease the Premises for office purpose and comply with the regulations of the state and Shanghai Municipality concerning housing use
and property management. 
 2. Party B guarantees that within the lease term, Party B will not modify the use as set forth in the foregoing
paragraph without Party A’s written consent and approval by relevant authority as required by regulations. 
 Article 3 Delivery Time,
Lease Term and Rent-free Period 
 1. Delivery 
 1) It is agreed by Party A and Party B that Party A shall deliver the Premises to Party B no later than September 16, 2011. 

2) From the delivery date (including the deemed delivery date), Party B shall, in addition to paying the monthly management fee
before the 5th day of each month, pay all the other
expenses concerning the use of the Premises, including renovation electricity fee, water fee, garbage clearing, etc. 
 3) From the delivery
date (including the deemed delivery date), Party B shall observe the management rules established by Party A and perform Party B’s obligations hereunder. 

 2. Lease Term 
 1) It is agreed by Party A and Party B that the lease term of the Premises commences on September 16, 2011 and ends on September 15, 2013. 

2) Upon expiry of the lease term, Party A shall have the right to repossess the Premises and Party B shall return the Premises on time. If Party B
intends to renew the lease of the Premises, then Party B shall submit an irrevocable written application for renewal to Party A three months prior to the expiration of the lease term. With Party A’s consent, both parties shall agree upon the
lease conditions and enter into a new lease contract. If Party B fails to submit an application beyond the said period or both parties fail to reach an agreement on the lease conditions within two months following Party B’s application, then it
shall be deemed that Party B waives the right of first refusal in respect of the Premises under the same conditions. 
 3. Rent-free Period

 1) It is agreed by Party A and Party B that Party A will provide one month’s rent-free period in respect of Party B’s
leasing of the Premises. The rent-free period shall commence on September 16, 2011 and end on October 15, 2011. 
 2)
Within the rent-free period, Party B is not required to pay the rent, but shall pay the property management fee and all the other expenses mentioned in Sub-paragraph 3), Paragraph 1, Article 3. 

Article 4 Rent, Method and Term of Payment 
 1. It is agreed by Party A and Party B that the rent of the Premises is RMB4.2 per day per square meter (paid area). The monthly rent totals RMB 48,034 (in words: RMB forty-eight thousand
thirty-four). 
 2. The rent of the Premises will remain unchanged in the first and second years. From the third year, both parties may
negotiate to adjust the rent. 
 3. After receiving the rent, Party A shall issue an invoice to Party B. The company name indicated in the
invoice shall be Party B’s name in this Contract. 
 4. The lease of the Premises shall be subject to the “use
after payment” principle. As of the execution date of this Contract, Party B shall pay the rent for the first month, i.e. commence on October 16, 2011 and end on November 15, 2011. Later on, Party B shall, before the
5th day of each month, pay Party A the rent for next lease
month (e.g., before October 5, 2011, pay the rent for the month commencing on November 16, 2011 and ending on December 15, 2011; the rest may be deduced by analogy) (the rents throughout the lease term are
detailed in Schedule 3). In case of any delay in paying the rent, Party B shall pay the liquidated damages for delay being equal to 0.5% of the monthly rent per delayed day. 

 5. Party B will pay the rent by bank transfer, check or cash 

Party A confirms: 
 Account holder: Shanghai
Digital Entertainment Industry Management Co., Ltd. 
 Bank name: West Jianguo Road Sub-branch, Shanghai Branch, ICBC 

Account number: 1001220709006941662 

Article 5 Deposit and Other Expenses 
 1)
Party A and Party B agree that as of the execution date hereof, Party B shall pay Party A the lease deposit, whose amount is three months’ rent and property management fee, i.e. RMB 161,022. 

2) After collecting the deposit, Party A shall issue a collection receipt to Party B. The company name indicated in the receipt shall be Party B’s
name in this Contract. 
 3) Within the valid term of this Contract, if Party B fails to make any payment (including, but not limited to, sums
payable by Party B hereunder, default interest, liquidated damages and indemnity payable to Party A for any breach by Party B and fees paid by Party A on behalf of Party B), Party A may deduct the actual amount from the deposit. Until then, Party B
shall, within ten days after the final payment date of this amount, pay the difference to Party A. If the difference is not paid on time, Party B shall pay liquidate damages for delay being equal to 0.5% of the deposit per delayed day.

 4) If the deposit cannot cover Party A’s losses, Party A may make further claim against Party B. Party A shall provide Party B with the
corresponding certificates in respect of all the losses claimed by Party A. 
 5) Upon expiry of the lease term or premature termination of this
Contract, the remaining portion, if any, of the deposit after Party B completes the industrial and commercial cancelation or change procedures with the Premises as the registered address or business address, Party A deducts from the deposit the
liquidated damages and other expenses payable by Party B pursuant to the provisions herein and Party B returns the Premises pursuant to the provisions herein, shall be refunded without interest to Party B within fifteen days. 

6) The property management fee of the Premises shall be charged at a rate of RMB 15 per month per square meter (paid area) as from the delivery date
or lease commencement date (whichever is the earlier) and may be adjusted according to Paragraph 8 of this Article 5. 
 7) From the
delivery date or lease commencement date (whichever is the earlier) of the Premises, Party B shall pay the property management fee for next month together with the rent. In case of any delay in making payment, Party B shall pay the liquidated
damages for delay being equal to 0.5% of the monthly management fee per delayed day. 
 8) Party A may reasonably adjust the property management
fee based on the actual expenditure per annum and subject to the policy requirements, Party B shall pay the adjusted expenses upon Party A’s 30 days prior written notice to Party B. 

 9) Within the valid term of this Contract, Party B shall pay Party A the utility fees
like water, power, lighting electricity, gas, telephone and the like concerning the Premises according to the payable sums as indicated in the reasonable certificates issued by government public utility units or Party A. Party B shall, before the
5th day of each month, pay the utility fees for the
previous month to Party A. In the meantime, Party B shall pay all the expenses incurred in connection with the use of the Premises, including, without limitation, temporary electricity fee, water fee and garbage clearing and transport costs.

 10) Throughout the valid term of this Contract, Party A shall have the right to use the deposit paid by Party B to pre-pay the utility fees
payable by party B or offset Party B’s utility fees in arrears. 
 Article 6 Renovation 

1. When Party B performs renovations or installs equipment within the Premises, Party B shall observe the following requirements: 

1) Party B must comply with the regulations of the government and Party A concerning design and renovations. When Party B renovates the Premises
(including, but not limited to, lighting, decoration, etc) or installs fire protection, mechanical & electrical, air-conditioning and other equipment, Party B must submit equipment drawings to Party A in advance as required by Party A and
carry out construction with Party A’s written consent. Party A shall not unreasonably withhold or delay its consent, but can put forth reasonable amendment advices. 
 2) If Party B puts forth additional requirements in respect of the relevant equipment of the Premises delivered due to needs, then Party B shall submit a written application to Party A on the delivery
date (including the deemed delivery date). The construction entity designated by Party A will carry out construction, with expenses to be agreed. 
 3) Party B shall carry out construction according to the drawings approved by Party A. If drawings need to be modified, Party B shall resubmit the drawings pursuant to the provisions under Sub-paragraph
1), Paragraph 1 of this Article. 
 4) Party B shall carry out the interior renovations, partitioning, reconstruction and equipment installation
within the Premises in accordance with Chinese laws and regulations. If Party A thus suffers from losses, Party B shall be held liable for compensation. Party A is not required to bear the delay and loss consequences arising because the government
withholds or delays its approval on renovations. If the government authority puts forth the rectification requirement, Party B shall timely modify its renovations according to such government requirement. If the users of neighboring houses are thus
affected, Party B shall repair the damages caused to the neighbors and bear all the expenses resulting therefrom, including the reasonable compensation to neighbors; Party A shall not bear any liability, unless Party A has any fault. If the
government authority puts forth the rectification requirement on the neighboring tenant of the Premises, Party B shall render necessary assistance at Party A’s request. If Party B thus suffers from losses, Party B shall negotiate with the user
of neighboring house; Party A shall not bear any liability, unless Party A has any fault. 

 5) When Party B performs interior renovations or installs equipment within the Premises, Party B shall adopt
high-quality and suitable styles so as to ensure that the indoor design level of the Premises reaches the overall high-quality design level. 

6) When Party B installs any lighting signboard, service mark, advertising, logo or publicity object visible outdoors inside the Premises, Party B shall
obtain Party A’s prior written consent. 
 2. If Party B installs or permits to be installed any equipment within the Premises, the water,
electricity or gas consumptions of such equipment shall be separately metered. (Refer to Schedule 2 hereto.) 
 3. Party B must cause its
employees, contractors and workers to fully cooperate with Party A and other contractors and workers. Party B shall ensure that contractors and workers will observe Party A’s regulations on constructions (including, but not limited to, obeying
Party A’s arrangements for construction management and construction time) so as to minimize the impact on the normal business operations of other tenants. 
 Article 7 Conditions of the Premises When Returned 
 1. Except with Party A’s consent
to Party B’s renewal of the lease, Party B shall return the Premises to Party A at the latest before 17:00 on the date of the expiry of the lease term or premature termination of this Contract. The Premises returned by Party B shall be in a
condition after normal use. When returned, the Premises shall be checked and accepted by Party A and both parties shall settle up the expenses payable by them respectively. 
 2. Party B agrees to, based on Party A’s requirement, hand over the renovations, fittings or installed equipment or appurtenances inside the Premises (excluding the movable equipment owned by Party
B) without any compensation to Party A in a good, rentable condition (other than normal wear). After handover, Party A becomes the owner of such articles. 
 3. Party B shall remove the movable articles within the Premises when the Premises are returned. If Party B fails to do so on the delivery date of the Premises, Party A shall have the right to deduct from
the lease deposit the expenses required for such removal. 
 Article 8 Subletting, Transfer and Exchange 

1. Throughout the lease term, Party B shall not sublet the Premises or any portion thereof for profit-making purpose to a third party other than Party
B’s affiliates and submit the subletting contract to Party A for the record. At Party B’s request, Party A shall be obliged to provide assistance. 

 Article 9 Right of Renewal 
 1. Throughout the term of this Contract, where Party B intends to renew the lease of the Premises upon expiry of the lease term, Party B shall give an irrevocable written notice to Party A three months
prior to the expiration of the lease term. If Party B has given a written notice, but does not renew the lease according to the written notice following the expiration of the original lease contract, Party B shall pay Party A the liquidated damages
being equal to twice the monthly rent plus property management fee. 
 2. If Party B has none of the following breaches, i.e. those as
set forth in Sub-paragraphs 1)-3) (regardless of whether such breaches are remedied) and Party B pays the rent and the expenses hereunder until the expiration of the lease term, Party A will prioritize the lease of the Premises to Party B under the
same conditions: 
 1) Party B has failed to pay the payable fees hereunder on time (including, but not limited to, rent, management fee,
default interest, etc) more than three times in total; 
 2) The business area, sanitary facilities and other environments of the Premises are
inconsistent with the general image and Party B fails to make improvement upon Party A’s written notice. This situation has occurred three times in total. 
 3) Party B breaches the provisions of this Contract to occupy the outdoor area or post any advertising on the outer wall of the Premises and Party B fails to make improvement upon Party A’s written
notice. This situation has occurred more than three times in total. 
 2. If Party B commits any breach during the period from the signing date
of the renewal contract until the commencement of the renewal term, Party A shall have the right to unilaterally terminate the renewal contract and lease the Premises again. 
 Article 10 Responsibilities of both Parties 
 1. Party A’s Responsibilities 

1) Party A warrants that it has obtained the lawful authorization of the original real estate right owner and has the lawful and effective right of use
and right of subletting over the Premises. Subject to Party B’s payment of the rent and other expenses pursuant to the provisions hereof, Party A shall ensure that Party B will quietly use the Premises and Party A supplied equipment throughout
the lease term. 
 2) If Party A and the original real estate right owner lose the lawful right over the Premises and as a result thereof, Party
B cannot continue to use the Premises, Party B shall have the right to stop paying the subsequent rent and Party A shall refund to Party B the corresponding sums after deducting the incurred rent, property fee and energy fees and pay the liquidated
damages being equal to three months’ rent. 
 3) Party A guarantees that the Premises can be used for any lawful purpose, including, but
not limited to, registration of domestically funded company, etc. If the real estate materials provided by Party A cannot be used for any lawful purpose, then Party B shall have the right to suspend paying the rent until the termination of this
Contract and demand Party A to pay the liquidated damages being equal to three months’ rent. Party A has the obligation to assist Party B in applying for the license. The methods of assistance include, but are not limited to, providing the
Premises with complete real estate materials free of charge to Party B to apply for the license. 

 4) Party A shall, within 5 working days following the execution of this Contract, submit the contract signed
by both parties to the original real estate right owner for the record and also submit the written document on such record to Party B. If Party A fails to perform the record procedures within 10 working days following the execution of this Contract,
Party B shall have the right to suspend paying the subsequent rent until the elimination of this situation. If Party A fails to do so for more than 30 days, Party B shall have the right to terminate this Contract and demand Party A to pay the
liquidated damages being equal to three months’ rent. 
 5) Party A shall pay the taxes payable by the owner of the Premises as specified
by laws and regulations to relevant government authority. 
 6) Party A shall deliver the Premises to Party B according to the standards on
Party A’s delivery as stated in Schedule 2 hereto. 
 7) Party A shall keep the principal structures of the Premises in a good condition.
Party A shall be responsible for the repairs of the Premises as may be necessary due to normal wear. 
 8) Within the lease term, to ensure that
the Premises are in a normally usable and safe condition, Party A may regularly inspect and maintain the Premises. Party B shall cooperate as to such inspection and maintenance. 
 9) Within the lease term, if Party B finds that the Premises are damaged or fail, Party B shall timely inform Party A to make repairs. 
 2. Party B’s Responsibilities 
 1) Party B must keep the interior renovations of the Premises
(including, but not limited to, partitions, etc) and appurtenances, whether owned by Party A or Party B (including, but not limited to, air-conditioning system, elevator and other mechanical & electrical facilities, fire device, gas device,
electric wires and water pipes) in a tidy and good condition. Within the lease term, Party B shall at its own expense carry out the frequent repairs, maintenances and whitewashing of the interior renovations and all appurtenances of the Premises.
Party B shall entrust the contractors designated by Party A to carry out the repairs concerning the elevator and other mechanical & electrical equipment as may be deemed necessary by Party A. 

2) For the purpose of public safety and other purposes, Party B shall permit Party A or its authorized representative to enter the Premises at reasonable
time to inspect the electrical wires, electric devices, fire equipment or gas equipment (if any) within the Premises. 

 3) After Party B receives from Party A or its authorized representative the notice specifically indicating
the repairs or works that shall be carried out by Party B under this Contract, Party B shall, within one month after the giving of such notice, carry out such repairs or works. Party B shall permit Party A and its authorized representative to enter
the Premises at reasonable time to inspect the state of repairs. 
 4) If Party B fails to carry out repairs or works as stated in the said
notice, thus endangering personal and property safety or damaging the image, Party A or its authorized representative shall have the right to enter the Premises to carry out repairs or works upon notice to Party B and Party B shall bear the expenses
incurred in connection with such repairs or works. 
 5) When the Premises suffer from major damages or fire alarm or major accident occurs to
the Premises or other facilities have major damages, Party B shall promptly notify Party A. 
 6) All the activities of Party B and its
employees and agents within the Premises shall comply with the laws, regulations and policies of the People’s Republic of China. The losses arising from the investigation and punishment by relevant government authority shall be solely borne by
Party B and unrelated to Party A. 
 7) Party B shall at its own costs take all reasonable steps and precautions to prevent mice, cockroaches or
other pests or parasites from breeding within the Premises. 
 8) Within a reasonable period of three months prior to the expiry or premature
termination of the lease term, Party B shall permit Party A to show the future tenant or user of the Premises around the construction and facilities of the Premises. 
 9) If relevant government authority investigates and punishes any structure, construction, partition and other reconstruction built by Party B within the Premises and violating regulations (regardless of
whether such construction, partition and other reconstruction is built by Party B with Party A’s consent or not), Party B shall solely bear the expenses of such dismantling works. 
 10) Party B shall undertake any activity adversely affecting Party A’s goodwill and reputation. 
 11) Without Party A’s prior written consent, Party B shall not install or permit to be installed within the Premises any machine, equipment or apparatus with a weight exceeding the bearing capacity
of any portion of the Premises. 
 12) Party B shall not destroy, damage or bedaub any decorative appearance of the public area and cause its
employees to comply with this provision. 
 13) Party B shall not do or permit to be done within the Premises any act interfering with the users
of other houses and neighboring property as well as other immoral acts. 
 14) Party B shall itself apply for all the approvals necessary for
its operations. Party A agrees to provide reasonable assistance, but does not guarantee the obtaining of approvals. 

 15) Without Party A’s prior consent, Party B shall not use any house, facilities and site other than
the Premises. Party B shall not pile or permit to be piled any goods, cartons or barriers at any entrance, stairs, platform, passage or other public area. 
 16) If Party B fails to take effective measures upon Party A’s written notice to Party B, Party A shall have the right to, by reasonable means, clear and dispose of the goods, cartons, garbage or
other barriers left within the public area without permission and all the reasonable expenses thus incurred shall be borne by Party B. Party B shall reimburse Party A for the reasonable expenses incurred by Party A in enforcing this provision.

 17) Party B shall load and unload goods without affecting the normal business activities of other tenants. The specific time is to be
arranged by Party A. 
 18) To maintain the image and improve the management level of management company, Party B agrees to observe the
management rules established by Party A from time to time. 
 19) Party A shall have the right to compile the unified marketing plans applicable
to all tenants, including, but not limited to, discount plan, tenant sponsorship plan, etc. Party B shall actively cooperate to implement the unified marketing plans applicable to tenants. 
 20) Without prejudice to Party B’s use of the Premises according to the provisions hereof, when Party A organizes the entire marketing and PR activities, Party B shall provide reasonable assistances.
Such assistances include, but are not limited to, permitting Party A to show guests around the Premises, permitting the media to make interviews, etc. 
 21) Within the lease term, Party B shall reasonably use and protect the Premises. Where the Premises and its ancillary facilities and equipment are damaged or fail due to any improper or unreasonable use,
Party B shall, within 5 days, make repairs and within 10 days, complete repairs. If Party B fails to make or complete repairs within the said period or refuses to make repairs, Party A can make repairs on Party B’s behalf, with the expenses to
be borne by Party B. 
 22) Party B shall provide the contact person in respect of the Premises. The temporary contact person is
Miss He. When Party A serves any document on such contact person, it shall be deemed that the document is served on Party B. If Party B’s contact person changes, Party B shall promptly notify Party A in writing. 

Article 11 Exclusions 
 1. Party A and
Party B hereby expressly agree that under any of the following circumstances, Party A is not required to make compensation or rent reduction or exemption or bear any other legal liability to Party B or any other person. Party B guarantees to exempt
Party A from its liability for the losses and damages thus sustained by Party B or any other person. 
 1) any and all consequences caused by
the smoke, flood and fire, the dysfunction or failure of mechanical & electrical systems and equipment or the leakage or supply interruption of water supply, drainage, gas and electricity resulting from force majeure or through no fault of
Party A. 

 2) any interference or inconvenience caused by the temporary restriction or modification of public passage
resulting from the repairs, reconstruction and renovation works outside the Premises. 
 2. If the water, electricity and gas supplies of the
Premises are interrupted by relevant water, electricity and gas authorities by reason of routine inspection, servicing or regional accident, Party A shall timely inform Party B without any liability. 

3. The furnishing by Party A of the security and management staff, any machinery and electronic anti-theft system (if any) to the Premises shall not
constitute Party A’s obligation to be liable for the safety and security of the Premises and the property therein. At any time, Party B shall be solely responsible for the Premises or the property therein. 

4. Considering the provisions of Paragraph 3 of Article 15 hereof, during the course of marketing activities, Party A shall not be liable for the impact
caused by such activities to Party B’s office work. 
 Article 12 Insurance 
 1. Party B shall at its own expense procure sufficient property and related insurances with a well reputed insurance company in respect of the renovations, equipment and properties of the Premises.

 2. At Party A’s request, Party B must provide the effective policies of such insurances as well as the receipts of the latest premium
payments. 
 3. Neither party shall do or permit to be done any act that invalidates the insurance policies. Neither party shall do any act that
results in the increase of the premiums of such insurances. 
 Article 13 Conditions for Termination of this Contract 

1. Party A and Party B agree that within the lease term, under any of the following circumstances, this Contract is terminated and neither party is liable
to the other: 
 1) The right to use the land within the occupancy scope of the Premises are taken back prematurely according to law;

 2) The Premises are confiscated according to law for public interests or city construction needs; 

3) The Leased Premises are damaged, lost or declared dilapidated; 
 4) Force majeure occurs. 

 2. Party A and Party B agree that under any of the following circumstances, either party may terminate this
Contract upon written notice to the other party. The breaching party shall pay the other party the liquidated damages being equal to three times monthly rent and property management fee. If the other party suffers from losses and the paid
liquidated damages cannot cover such losses, the breaching party shall compensate the difference between losses and liquidated damages: 
 1)
Party A fails to deliver the Premises on time and remains so within 15 days after Party B’s written notice; 
 2) Party B
sublets the Premises, transfers the leasing right of the Premises or exchanges the Premises for the house leased by other person without permission; 
 3) If the principal structure of the Premises is damaged for Party B’s reason, the deposit will not be refunded; 
 4) If Party B fails to pay the rent and other payable sums as specified herein on time and such failure lasts for more than 15 days, the deposit will not be refunded and Party B is not
required to pay the liquidated damages. 
 Article 14 Defaulting Liabilities 
 1. If Party A loses the lawful right over the Premises and as a result thereof, Party B cannot continue to use the Premises, Party A shall refund the deposit to Party B after deducting the incurred rent,
property management fee and energy fees and pay the liquidated damages being equal to three months’ rent. 
 2. If Party B cannot complete
necessary industrial and commercial registration by using the Premises and its materials, Party A shall stop charging the rent of the Premises and assist Party B in completing the registration within two months. If the registration procedures are
still not completed beyond the said period and Party B terminates this Contract, Party A shall pay Party B the liquidated damages being equal to three months’ rent. The unsuccessful registration for Party B’s reason is an exception.

 3. If Party B still fails to perform the record procedures within 10 working days following the execution of this Contract, Party B shall
have the right to suspend paying the subsequent rent until the elimination of this situation. If Party A fails to do so for more than 30 days, Party B shall have the right to terminate this Contract and demand Party A to pay the liquidated damages
being equal to three months’ rent. 
 4. If the delivery of the Premises is delayed for Party A’s reason, Party A shall pay the
liquidated damages being equal to 3 months’ rent. If the delay in delivering the Premises lasts for 3 months, Party B shall have the right to terminate this Contract. 
 5. Within the lease term, Party A guarantees that the Premises are in a normally usable and safe condition. If Party A delays repairs after receiving Party B’s notice on failure and as a result
thereof, Party B cannot normally use the Premises for 30 days, Party A shall pay the liquidated damages being equal to 3 months’ rent and Party B shall have the right to suspend paying the subsequent rent. 

 6. Party B is delinquent in paying the rent hereunder and remains so after Party A’s two written
notices pressing for payment. Regardless of whether Party B has paid the water, electricity and gas fees or property management fee of the Premises, without prejudice to Party A’s other rights, if Party B still does not pay the rent within 5
working days after receiving Party A’s written notice pressing for payment, Party A shall have the right to stop providing water, electricity, gas and other property management services to the Premises until Party B has paid up the fees in
arrears and overdue interest. If Party B’s business operations are thus affected, Party A shall not have any liability. In addition, Party B shall pay the rent, management fee and other expenses set forth hereunder for the period during which
Party A takes the measure in this Article. 
 7. Party B hereby expressly agrees and declares: at any time following the occurrence of the
following events, Party A has the right to lawfully and prematurely repossess the Premises and the equipment supplied by Party A, this Contract shall be terminated with immediate effect and Party B shall bear the following defaulting liabilities to
Party A: 
 1) Pay Party A the reduced and exempted rents for the lease period already used by Party B at the rent rate specified herein; pay
Party A the liquidated damages being equal to three months’ rent; 
 2) Pay Party A the liquidated damages being equal to the total rent
for the remaining lease term of Party B so as to cover Party A’s losses. Both parties shall take necessary measures to reduce losses. If Party A’s actual losses (including, but not limited to, litigation cost, lawyer cost, property
conservation cost, enforcement cost, etc) are reduced, the compensation to be paid by Party B shall be reduced accordingly. 
 Such events
include: 
 A. If Party B fails to pay the lease deposit on time without good reason for more than 30 days or fails to pay the rent and property
management fee on time without good reason for 15 days, the deposit cannot cover the delinquent payment and Party B still does not pay them up upon Party A’s notice pressing for payment. The provision in Item 1) hereof applies. 

B. Except as otherwise specified, Party B breaches this Contract and fails to remedy such breach within 15 days after Party A’s written notice.

 C. Party B becomes bankrupt or goes into liquidation proceedings. 
 8. Due to the breach by Party B of this Contract, when Party A gives Party B written notice stating that Party A will exercise the right hereunder to prematurely repossess the Premises, it shall be deemed
that Party A has fully exercised this right and Party A is not required to exercise this right by entering the Premises. 
 9. Upon expiry of
the lease term or premature termination of this Contract, if Party B fails to return the Premises on time, then Party B shall pay Party A the liquidated damages being equal to twice original daily rent per delayed day. If such failure exceeds 15
days, Party A shall have the right to enter the Premises and all the renovations, facilities and articles within the Premises will be retained or dismantled. Party A is not required to compensate Party B in respect of the residual value of
renovations, facilities and articles. 

 10. Within the lease term, except as otherwise specified herein, neither party shall cancel or terminate
this Contract without permission. If either party needs to prematurely terminate this Contract, it shall give the other party 3 months’ prior written notice and the non-breaching party shall pay the breaching party the liquidated damages being
equal to the three months’ rent and property management fee for the current lease year. 
 Article 15 Interpretations and Others

 1. Interpretations 
 1) As used
herein, the term “Lease Commencement Date” refers to the date as set forth herein. 
 2. Party A reserves the right to modify the
design, layout and facilities of any portion (other than the Premises). 
 3. Party A reserves the right to organize various kinds of promotion
activities inside and outside the Park. 
 4. Party A has the right to make directory boards and place them at any places (both indoors and
outdoors) outside the Premises. 
 5. This Contract applies to the laws of the place where the Premises are located. Any dispute as may arise in
connection with this Contract shall be resolved by both parties by consultation. If such consultation has failed, either party may file a lawsuit before the people’s court of competent jurisdiction in the place where the Premises are located.

 6. The schedules attached hereto are made an integral part of this Contract and have the same legal effect as this Contract. 

7. This Contract is executed in four counterparts, two ones for each party hereto. All the counterparts shall have the same legal effect. This Contract
shall enter into force immediately upon execution by Party A and Party B. The two copies shall have the same legal effect. 

 Schedule 1: Floor Plan of the Leased Location and the Premises (the leased location is marked with
black oblique lines for easy identification) 

 Schedule 2: List of Existing Renovations, Ancillary Facilities and Equipment 

I. Lobby (before elevator hall) 
 Ground: epoxy
resin 
 Wall surface: emulsion paint 

Top: white paint for steel structure surface 

II. Passage 
 Ground: same raw material for
cleaning & repair 
 Wall surface: emulsion paint 
 Top: emulsion paint 
 IV. Delivery Standard 

On AS IS basis (steel structure surface for 1# building, plain concrete for 6# & 4#) 
 V. Water, electricity, gas, communications and fire protection 
 1. Water: no W.C. available
within the Premises 
 2. Electricity: the electric capacity of the Premises is 30KW 

3. Gas: no gas available within the Premises 

4. Communications: telephone & broadband connections to the floor of the Premises 
 5. Fire protection: fire spraying system is in a good condition 

 Schedule 3 Right of Renewal and Rent Adjustment 

 

	1.	Within the lease term of this Contract, Party A and Party B agree that the rent rate of the Premises is RMB4.2 per day per square meter (paid area) and no
adjustment will be made. 

 Schedule 4: Property Management Contents 
 The property management service will be charged at RMB15 per square meter (paid area). The property management fee is the fee charged by the property management company by performing routine maintenance,
repair and control services for the houses and equipment, public facilities, greening, sanitation, traffic, public security, environment appearance, etc within office area and providing other tenant-related services after accepting the entrustment
of the property user. 
 According to relevant regulations, the public service fees for office area include the following 8 fees: 

Salaries of management and service staff and the welfare expenses allotted according to regulations; 

Routine operation, repair and maintenance fees for public facilities and equipment; 
 Greening administration fee for public area; 
 Cleaning and sanitation fee for public area;

 Security fee; 
 Office fee of
property personnel; 
 Fixed asset depreciation expenses of property management company; 

Statutory taxes and fees. 
 For property
management rules, refer to user manual at http://www.x2space.com 

 Schedule 5: 
 Shanghai Quan Toodou Network Science and Technology Co., Ltd. 
 Shanghai Licheng Cultural Media
Co., Ltd. 
 Reshuffle Technology (Shanghai) Co., Ltd. 

 (No text in this page) 
 Party A: Shanghai Digital Entertainment Industry Management Co., Ltd. (seal) 
 [Seal:
Shanghai Difital Entertainment Industry Management Co., Ltd.] 
 Authorized representative: 

Date of signing: 
 Party B: Wohong Network
Technology (Shanghai) Co., Ltd. (seal) 
 [Seal: Wohong Network Technology (Shanghai) Co., Ltd.] 

Authorized representative: 
 Date of signing:

 Place of signing:English Translation of House Lease Contract dated as of September 16, 2011

 Exhibit 4.51 
 English Translation 
 Contract No.: C-16F-002 

House Lease Contract 

Lessor: Beijing Lihong Tongshang International Business Services Co., Ltd. 
 Lessee: Shanghai Quan Toodou Network Science and Technology Co., Ltd. 

 Beijing Municipal Construction Commission 

Beijing Administration of Industry and Commerce 
 Revised Version, May 2008 

 House Lease Contract 

TU2011091464691OC 
 Lessor
(Party A): Beijing Lihong Tongshang International Business Services Co., Ltd. 
 Type and number of certificate:
110101000436811 
 Lessee (Party B): Shanghai Quan Toodou Network Science and Technology Co., Ltd. 

Type and number of certificate:              

In accordance with the Contract Law of the People’s Republic of China and relevant laws and regulations, Party A and Party B, on the basis of
equality and free will, hereby enter into this Contract with respect to the matters regarding the lease of the Premises (as defined below), on the terms and subject to the conditions as set forth below: 

Article 1 Basic Information on the Premises 
 (1) The house is located at Suites 1602, 1603 & 1605, 16F, Block C, Sanlitun SOHO, Chaoyang District, Beijing, with a construction area of 961.49 square meters (hereafter the
“Premises”). 
 (2) Ownership of the Premises: Party A holds ( ̈ House Ownership
Certificate/ ̈ Public Housing Lease Contract þ Housing Purchase & Sale Contract/ ̈ other
certificate of housing source). The Premises are not mortgaged. 
 Article 2 Lease and Registration (for the record) of the Premises

 (1) Use of the Premises: office; 
 (2) If the Premises are to be used for residential purpose, Party A shall, within 7 days following the execution of this Contract with Party B, handle the housing lease registration procedures at the
community service station for non-local persons coming to Beijing and housing lease in the place where the Premises are located. If several persons live in the Premises, Party B shall inform Party A of the information on such persons and Party A
shall set up the register of occupants and submit it to the service station according to regulations. When this Contract is modified or terminated, Party A shall, within 5 days following such modification or termination, handle the registration
change or deregistration procedures at the community service station for non-local persons coming to Beijing and housing lease in the place where the Premises are located. Throughout the valid term of this Contract, if any change occurs to
occupants, Party B shall, within 2 days after such change, inform the service station and handle the change registration procedures. 

Article 3 Lease Term 
 (1) The lease term
of the Premises will be three years, one month and twenty-two days, commencing on September 10, 2011 and ending on October 31, 2014. Party A shall deliver the Premises to Party B according to the agreed conditions no
later than September 10, 2011. The delivery shall be deemed as being finished after the Housing Handover List (refer to Annex 1) is signed and sealed by Party A and Party B upon verification and the door key and key card of the Premises
are handed over. 
 (2) Upon expiry of the lease term or termination of this Contract, Party A shall be entitled to repossess the Premises.
Party B shall return the Premises on AS IS basis, including its ancillary items, equipment and facilities. Party A and Party B shall verify the Premises, its ancillary items, equipment and facilities as well as use of water and electricity and
settle up all the fees and expenses payable by them respectively. 
 If Party B intends to renew the lease, Party B shall inform Party A (þ in writing/ ̈ orally) of its intention to renew 60 days in advance and after reaching consensus through negotiations, both parties shall enter into a
new housing lease contract. 

 Article 4 Rent and Method of Payment 
 (1) Monthly rent standard: RMB two hundred and fifty-two thousand two hundred and twelve (in figures: RMB 252,212.00); 
 (2) Method of payment: quarterly basis. The payment dates and payable amounts for respective quarterly rents: 
  

									
	 Payment No.
	  	 Payment date
	  	 Period covered by payment
	  	Payable rent	 
	1	  	Within 5 working days after signing and sealing by both parties	  	Sept. 10, 2011-Dec. 31, 2011	  	 	686846.00	  
	2	  	December 20, 2011	  	Jan. 1, 2012-Mar. 31, 2012	  	 	756,636.00	  
	3	  	March 20, 2012	  	Apr. 1, 2012-Jun. 30, 2012	  	 	756,636.00	  
	4	  	June 20, 2012	  	Jul. 1, 2012-Sept. 30, 2012	  	 	756,636.00	  
	5	  	September 20, 2012	  	Oct. 1, 2012-Dec. 31, 2012	  	 	756,636.00	  
	6	  	December 20, 2012	  	Jan. 1, 2013-Mar. 31, 2013	  	 	756,636.00	  
	7	  	March 20, 2013	  	Apr. 1, 2013-Jun. 30, 2013	  	 	756,636.00	  
	8	  	June 20, 2013	  	Jul. 1, 2013-Sept. 30, 2013	  	 	756,636.00	  
	9	  	September 20, 2013	  	Oct. 1, 2013-Dec. 31, 2013	  	 	756,636.00	  
	10	  	December 20, 2013	  	Jan. 1, 2014-Mar. 31, 2014	  	 	756,636.00	  
	11	  	March 20, 2014	  	Apr. 1, 2014-Jun. 30, 2014	  	 	756,636.00	  
	12	  	June 20, 2014	  	Jul. 1, 2014-October 31, 2014	  	 	1,008,848.00	  

 Article 5 Lease Deposit and Method of Payment 
 (1) Standard of lease deposit: RMB seven hundred and fifty-six thousand six hundred and thirty-six (RMB 756,636.00). Upon expiry of the lease term or termination of this Contract, The
remaining portion of the lease deposit following the offsetting of the expenses and rents payable by Party B as well as the liquidated damages payable by Party B shall be refunded to Party B. Party A shall issue an effective deposit receipt to Party
B. 
 (2) Deposit payment date: payable within 5 working days after the signing and sealing by both parties. 

Article 6 Other Related Expenses and Fees 

Within the lease term, the expenses in Items (5), (6) and (7) shall be borne by Party A and the expenses in Items (1), (2), (3), (4),
(8), (9), (10) and (11) shall be borne by Party B: (1) water fee; (2) electricity fee; (3) telephone fee; (4) cable TV fee; (5) heating fee; (6) property management fee; (7) housing lease
tax & fee; (8) sanitation fee; (9) Internet surfing fee; (10) parking space fee; (11) indoor facility servicing expenses. 
 The other expenses not set out herein, but related to the Premises shall be borne by Party B. If Party B prepays the expenses payable by Party A, Party A shall reimburse the corresponding expenses based
on the relevant payment vouchers presented by Party B. 

 Article 7 Maintenance and Repair of the Premises 

(1) Party A shall ensure that the architectural structure, equipment and facilities of the Premises conform to the safety conditions concerning
construction, fire protection, public security, sanitation and the like and shall not endanger the personal safety. Party B shall guarantee to comply with the relevant laws and regulations of the state and Beijing Municipality as well as the
property management pact of the quarter where the Premises are located. 
 (2) Within the lease term, both parties shall ensure that the
Premises, including its ancillary items, equipment and facilities, are in a suitable and safe condition; 
 1. As for the normal wear of the
Premises, including its ancillary items, equipment and facilities, arising from natural attributes or reasonable use, Party B shall promptly notify Party A for repair and maintenance. Party A shall commence repair and maintenance within 10
days after receipt of Party B’s notice. If Party A fails to do so, Party B may conduct repair and maintenance on behalf of Party A, with the expenses to be borne by Party A. If the use of the Premises is affected thereby, Party A shall
reduce the rent or extend the lease term. 
 2. If the Premises, including its ancillary items, equipment and facilities, are damaged or fail
due to Party B’s improper custody or unreasonable usage, Party B shall be responsible for repair and maintenance or be fully liable for compensation. 
 Article 8 Subletting 
 Within the lease term, Party B shall not sublet the Premises.

 Article 9 Termination of Contract 
 (1) This Contract may be terminated with the mutual consent of Party A and Party B. 
 (2) This
Contract shall be automatically terminated due to the occurrence of any force majeure even that prevents this Contract from being performed. 

(3) Party B is entitled to unilaterally terminate this Contract if: 
 1. The delivery of the Premises is delayed by Party A for 7 days. 
 2. The Premises
delivered by Party A materially violate the provisions of this Contract or affect Party B’s safety and health. 
 (4) Party A has the right
to unilaterally terminate this Contract and repossess the Premises if: 
 1. The rent payment is delayed by Party B for 7 working days.

 2. The expenses in arrears on the part of Party B reach RMB 300,000 or more and Party B refuses to effect payment upon Party A’s
written notification. 
 3. Party B modifies the use of the Premises without Party A’s permission. 

4. Party B modifies or damages the principal structure of the Premises without Party A’s permission. 

5. The ancillary items, equipment and facilities of the Premises are damaged due to Party B’s improper custody or unreasonable use and Party B
refuses to make compensation. 
 6. Party B uses the Premises to undertake illegal activities, thus damaging the public interest or impeding the
normal work and life of others. 
 7. Party B sublets the Premises to a third person without Party A’s permission. 

8.             . 
 (5) Other statutory circumstances serving as the basis for the termination of this Contract. 

 Article 10 Defaulting Liability 
 (1) If any circumstance as set out in Paragraph (3) of Article 9 occurs with Party A, Party A shall pay the liquidated damages being equal to 300% of the monthly rent to Party B; if any
circumstance as set out in Paragraph (4) of Article 9 occurs with Party B, Party B shall pay the liquidated damages being equal to 300% of the monthly rent to Party A and Party A has the right to demand Party B to restore the Premises to
its original conditions or compensate the corresponding losses. 
 (2) Within the lease term, if Party A needs to repossess the Premises
prematurely or Party B needs to surrender the Premises prematurely, such party shall notify the other party 60 days in advance and pay the liquidated damages being equal to 300% of the monthly rent. 

(3) Party A shall bear the liability for compensation if Party A fails to perform the maintenance obligations pursuant to the provisions hereof, thus
resulting in personal and property damages of Party B. 
 (4) If Party A fails to deliver the Premises at the agreed time or Party B fails to
pay the rent according to the provisions hereof, which does not reach the condition for contract termination or Party B fails to return the Premises at the agreed time, Party A or Party B shall pay the liquidated damages at 100% of monthly
rent. 
 Article 11 Dispute Resolution 
 Any dispute as may arise in connection with this Contract shall be resolved by Party A and Party B by consultation. If consultation has failed, either party may bring legal proceedings at the
people’s court of competent jurisdiction in accordance with law or apply for arbitration in accordance with the arbitration clauses or agreement as may be agreed by both parties. 
 This Contract shall become effective upon signing and stamping by both parties. This Contract, including its annexes, are made in four counterparts, two ones for Party A and two ones
for Party B. 
 Following the effectiveness of this Contract, any amendment or supplement to this Contract shall be made in writing and annexed
to this Contract. The annexes shall have the same legal effect as this Contract. 
 Lessor (Party A): Beijing Lihong Tongshang
International Business Services Co., Ltd. (signature & seal) 
  

	
	Authorized representative:
	
	Contact details:
	
	September 16, 2011

 Lessee (Party B): Shanghai Quan Toodou Network Science and Technology Co., Ltd. (signature & seal)

  

	
	Authorized representative:
	
	Contact details:
	
	September 14, 2011

 Supplementary Agreement 

to Beijing Municipal Housing Lease Contract 
 TU201109146469b1OC 
 Lessor: Beijing Lihong Tongshang International Business Services Co.,
Ltd. (hereafter “Party A”) 
 Lessee: Shanghai Quan Toodou Network Science and Technology Co., Ltd. (hereafter “Party
B”) 
 WHEREAS, Party A and Party B have entered into the Beijing Municipal Housing Lease Contract (contract No.: C-16F-002) (hereafter the
“Main Contract”) in respect of the house located at Suites 1602, 1603 & 1605, 16F, Block C, Sanlitun SOHO, Chaoyang District, Beijing (hereafter the “Premises”) on September 9, 2011, pursuant to which Party A
leases the Premises to Party B on AS IS basis; 
 NOW, THEREFORE, both parties, after negotiations, hereby enter into this Supplementary
Agreement in respect of the matters not covered by the Lease: 
 1. Rent-free Period (including renovation period) 

(1) The rent-free period shall be one month, commencing on September 10, 2011 and ending on October 9, 2011. Within the rent-free period, Party
B is not required to pay the rent, but shall pay the electricity fee and property management fee (subject to the figures provided by the property management company) as well as the related expenses incurred by Party B. 

(2) Within the rent-free period, if Party B surrenders the Premises or Party A terminates the Lease for any breach by Party B, Party B shall pay the rent
to Party A according to the number of actual days of occupancy in addition to assuming the defaulting liability as set forth in the Lease. The rent standard is subject to the rent standard as specified in Paragraph (1), Article 4 of the Main
Contract. 
 II. Rent, Deposit and Other Expenses 
 (1) The rent is calculated at RMB 8,624 per day per square meter (construction area) and the monthly rent is RMB two hundred and fifty-two thousand two hundred and twelve (in
figures: RMB 252,212.00). The rent includes property management fee, heating fee and housing lease tax & fee. Party A shall timely pay the property management fee and heating fee so as to ensure Party B’s normal use of the Premises.

 (2) Both parties: within five working days after Party B pays the rent on time and in full, Party A shall issue a tax invoice covering the
received amount, with relevant tax & fee to be borne by Party A. Other expenses not set forth herein shall be borne by the using party. 
 (3) Telephone and network: throughout the valid term of the Lease, Party B itself applies for telephone lines and network, with related expenses to be borne by Party B according to the charging standards
of telecom company. 
 (4) Other expenses: within the lease term, the electricity fee for the Premises will be settled with the building’s
property management company based on the monthly actual consumption and Party B shall pay the electricity fee according to the bill. 

 (5) Party B shall, before the
20th day of the month during which the rent shall be paid,
pay Party A the rent for the next period. The initial rent shall be paid within 5 working days after signing and sealing by both parties. 
 (6)
Party B shall pay all the amounts payable under the Lease to the following account designated by Party A. All payments shall be calculated and made in Renminbi. 
 Bank name: Everbright Bank Beijing Jianguomen Sub-branch 
 Account holder: Beijing Lihong
Tongshang International Business Services Co., Ltd. Account number: 35050188000062346 
 (7) The lease deposit of the Premises will be refunded
without interest by Party A to Party B within 30 working days after Party B returns the Premises and pays up all the expenses in arrears (including but not limited to the expenses concerning water, electricity, gas, telephone, liquidated damages,
compensation and the like) provided that Party B has fully performed all the terms, provisions and conditions of the Lease. 
 III. Party
A’S Obligations 
 (1) Party A shall guarantees that Party A has the right to lawfully lease the Premises. Otherwise, Party A shall bear
the legal liability arising therefrom in full. Party A shall also be liable to Party B for any economic loss, if any, thus suffered by Party B. 

(2) Within 3 days after receiving the lease deposit and the rent for the initial period from Party B, Party A shall deliver the Premises on AS IS
basis to Party B for use. Party B has fully inspected the Premises recognizes the Premises on AS IS basis and does not have any objection. 

(3) Party A shall provide Party B with the related property right documents (refer to Annex 1) necessary to apply for permits and licenses, but all the
examination and approval procedures concerning industrial and commercial registration and environmental protection approval shall be handled by Party B. If the foregoing property right documents provided by Party A do not conform to the approving
requirements of the administrative departments concerned, then Party A shall have the obligation to actively cooperate with Party B in this regard. 
 IV. Party B’s Obligations 
 (1) Party B shall pay the rent, lease deposit and other
related expenses on time pursuant to the provisions of the Lease. 
 (2) The renovation within the Premises shall be carried out by Party B.
During the renovation and use of the Premises, except with the consents of the fire bureau and Party A, Party B shall not make any modification, variation, dismantling or adjustment to the main structures of the Premises (including all smoke sensors
and sprinkler heads already installed). 
 (3) Party B shall make reasonable use of the Premises and keep the Premises tidy pursuant to the
provisions of the Lease. 
 (4) Party B shall be responsible for obtaining all permits, approvals and licenses required by laws, regulations and
rules of relevant government authorities to ensure the legitimacy of its business operations. Party B shall be solely responsible for all its operations, claims and debts. 
 (5) In its business activities, Party B shall not declare or make clients wrongly think that there exists any cooperation, joint venture, partnership, affiliation or related-party relationship between
Party B and Party A. 
 (6) Without the consents of property management company and city appearance management authority, Party B shall not set
any advertising, logo, poster or other information on the Premises and Party B shall bear all legal consequences if it sets any advertising without permission. 

 (7) Party B shall comply with the property management pact as well as all the administrative regulations
established and modified from time to time by the property management company. 
 (8) Party B shall be solely responsible for any taxes and fees
incurred in connection with its registration, tax registration, relocation and other behaviors. 
 (9) Throughout the lease term, Party B shall
not sub-let or sub-lend the Premises to any third party without Party A’s written consent. 
 (10) Within the valid term of the Lease,
Party B declares to waive its preemptive right to purchase the Premises. 
 (11) Within the lease term, Party B shall procure the full property
insurance for the Premises and shall be held liable for the property loss beyond insurance compensation. Party B shall be fully liable for the fire, flood and various personal injuries and losses within the Premises arising for any reason
attributable to Party B. 
 (12) Within two months after Party B confirms that it will not renew the lease (or intends to renew the lease, but
both parties do not sign a formal contract with respect to lease renewal), Party A shall have the right to show the third-party client around the Premises at the time agreed by both parties. 
 V. Contract Termination 
 (1) The Lease shall be terminated if: 

1. The lease term expires; 
 2. Either party is
indeed incapable of performing its obligations by reason that a force majeure event lasts for six consecutive months or longer; 
 3. Either
party goes into bankruptcy, liquidation, dissolution or similar proceedings; 
 4. Either party terminates the Lease in accordance with law or
pursuant to the provisions of the Lease. 
 (2) Party A shall have the right to unilaterally terminate the Lease and demand Party B to bear the
losses arising therefrom if: 
 1. Any of the breaches as set forth in Items 1, 6 and 7, Paragraph (4) of Article 9 of the Main Contract
occurs with Party B; 
 2. Any of the breaches as set forth in Items 2, 3, 4 and 5, Paragraph (4) of Article 9 of the Main Contract occurs
with Party B and is not cured by Party B within 5 working days upon Party A’s written notice; 
 3. The delay by Party B in paying the
lease deposit lasts for more than 7 working days. 
 (3) Party B shall have the right to unilaterally terminate the Lease and demand Party A to
bear the losses arising therefrom if: 
 1. Any of the breaches as set forth in Paragraph (3), Article 9 of the Main Contract occurs with Party
A and is not cured by Party A within 15 working days upon Party B’s written notice; 
 2. The Premises are sealed up or its use is
prohibited or restricted for any reason attributable to Party A and such circumstance cannot be discharged within 1 month. 
 VI. Defaulting
Liabilities 
 (1) Where Party B is delinquent in paying the rent, Party B shall pay Party A the liquidated damages being equal to 0.5% of
the overdue rent per delayed day until the remedying of such breach or the contact termination. Where Party A fails to deliver the Premises on time for its own reason, Party A shall pay Party B the liquidated damages being equal to 0.5% of the
monthly rent per delayed day until the remedying of such breach or the contact termination. 
 (2) Within the lease term, if either party
terminates the Lease prematurely pursuant to Paragraph (2), Article 10 of the Main Contract, the terminating party shall, in addition to paying liquidated damages to the other party, compensate the other party for the economic losses thus incurred.

 (3) Where Party A terminates the Lease pursuant to the provisions of Paragraph (2), Article 5 of this
Supplementary Agreement, the lease deposit and remaining rent (if any) will not be refunded. Where the agreed liquidated damages cannot cover Party A’s losses, Party B shall also compensate the corresponding economic losses. 

(4) Where Party B terminates the Lease pursuant to the provisions of Paragraph (3), Article 5 of this Supplementary Agreement, then Party A shall refund
the deposit and remaining rent (if any). Where the agreed liquidated damages under the Lease cannot cover Party B’s losses, Party A shall also compensate the corresponding economic losses. 

(5) Where Party B fails to return the Premises on time following the termination of the Lease, Party B shall pay Party A the occupancy fee of the
Premises at the daily rent rate computed by dividing the monthly rent of the then current month when the Premises shall be returned under the Lease (or previous month in case of no then current month) by thirty X 2 X number of overdue days.

 VII. Vacating of the Premises 

(1) Upon expiry of the lease term or premature termination of the Lease (including termination for breach), Party A has the right to repossess the entire
Premises and choose any of the following two means to take over the Premises: 
 1. Restore the Premises into its original conditions according
to Article 3 of the Lease and guarantee that the basic use functions of the Premises are free of any significant or apparent damage under the normal conditions; 
 2. Not restore the Premises into its original conditions according to Article 3 of the Lease. Ensure that the Premises are in a well usable condition and free of any significant or apparent damage (unless
the Lease is terminated for any breach by Party A, Party B shall not demand Party A to purchase or pay the relevant renovation, decoration and other expense paid by Party B in the subsequent lease period). 

(2) Upon expiry of the lease term or premature termination of the Lease (including termination for breach), Party B shall complete the vacating of the
Premises and return the Premises in a good condition on the expiry date or termination date of the Lease. But if the Lease is terminated for any breach by Party A, Party A shall offer Party B a reasonable period (within ten working days after the
termination date of the Lease) to complete the vacating of the Premises and return the Premises in a good condition. If the vacating of the Premises is delayed, Party A shall have the right to immediately repossess the entire Premises and key and
take the measures like changing the lock, stopping power supply to the Premises, restricting the access to the Premises, hindering Party B from continuing operations, moving the articles out of the Premises and storing them at a third party
(property management company, third-party warehouse, etc) or putting them in escrow with a notary office. Party B shall bear all the consequences and responsibilities arising therefrom. 
 (3) After Party B vacates or actually withdraws from the Premises upon expiry of the lease term or premature termination of the Lease (including termination for breach), any decorations, equipment or
other articles left by Party B within the Premises shall be deemed as being abandoned by Party B if the same are not disposed of within 5 working days following the vacating of or actual withdrawal of the Premises. Party A shall be entitled to
dispose of the same in any way and Party B shall have no objection thereto and will not pursue Party A’s responsibilities or claim compensations against Party A. 
 (4) At the time when Party B returns the Premises to Party A and beyond, except for the termination of the Lease for any breach by Party A, Party B shall have no right to demand Party A to pay all the
costs and expenses incurred in connection with renovation, equipment purchase, relocation, indemnity and the like and to compensate or purchase the equipment and facilities installed by Party B. 

VIII. Supplementary Provisions 
 (1)
Force Majeure 
 1. “Force majeure event” refers to any event that is beyond the control of either party and prevents such party from
performing its obligations under the Lease, including, but not limited to, ban or act of government or government agency, riot, war, hostility, public disturbance, strike or other labor dispute and work stoppage, suspension or interruption of
transportation or other facilities, plague, SARS, fire, flood, earthquake, windstorm or other natural phenomena. 

 2. If either party is prevented from performing its obligations under the Lease owing to force majeure
event, such party shall notify the other party within 14 days after the occurrence of such event. Both parties shall try their best to minimize the losses. The prevented party is not required to continue to perform the Lease or be liable for the
losses and such failure or delay in performance shall not be deemed a breach of the Lease. The party claiming that it is prevented from performing its obligations under the Lease due to force majeure event shall take appropriate measures to minimize
or eliminate the impact of such event and attempt to resume its performance in the shortest possible time. 
 (2) Notices 

Any notice or other communications sent by either party pursuant to the Lease shall be written in Chinese and shall be delivered by hand delivery,
registered airmail (postage prepaid) or recognized courier service to the following address of the other party. The notice shall be deemed duly served: 
 1. if delivered by hand delivery, on the day of hand delivery (and the evidence of signing for receipt by the other party shall also be provided); 

2. if sent by registered airmail, on the tenth (10th) day after the posting date (postmark date); 

3. if delivered by courier service, on the fifth (5th) day after being delivered by the recognized courier service (the evidence proving the due delivery by courier
service shall also be provided). 
 (3) Mailing addresses 
 Party A or contact person designated by Party A: Wei Xiaoli 
 Address: 29F, Block C, Central
International Trade Center, A6 Jianguomenwai Street, Chaoyang District, Beijing 
 Telephone: 6563 9805 

Fax: 6563 9833 
 Party B or contact person
designated by Party B: 
 Address: 

Telephone: 
 Fax: 

If either party changes its mailing address, it shall promptly notify the other party in writing pursuant to the provisions of this Article. 

Each party shall itself bear the legal consequences and responsibilities if such party does not fill or timely modify the address and as a result
thereof, the notice cannot be delivered. 
 (4) Composition and Validity of the Lease 

1. The term “Lease” refers to the collective name of the Main Contract, this Supplementary Agreement and its annexes. This Supplementary
Agreement and its annexes are made an integral part of the Lease and equally bind upon both parties. 

 2. If this Supplementary Agreement is inconsistent with the Main Contract, this Supplementary Agreement
shall prevail. 
 (5) Effective Date 
 This Supplementary Agreement shall become effective upon signing and/or stamping by both parties. 

(6) Counterparts 
 This Supplementary
Agreement is made in four counterparts, with each party hereto retaining two ones. All the counterparts shall have the same legal force and effect. 
 Party A: Beijing Lihong Tongshang International Business Services Co., Ltd. (seal) 
 [Seal:
Beijing Lihong Tongshang International Business Servies Co., Ltd.] 
 Authorized representative (signature): 

Date: September 16, 2011 
 Party B:
Shanghai Quan Toodou Network Science and Technology Co., Ltd. (seal) 
 [Seal: Shanghai Quan Toodou Network Science and Technology Co., Ltd.]

 Authorized representative (signature): 
 Date: September 14, 2011

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