Document:

EX-10.10

Exhibit 10.10

LOAN AGREEMENT

This Agreement is entered into as of September 10, 2007 in Shanghai, the People’s Republic of China
(“China” or “PRC”) by and among the following Parties upon full and friendly negotiation:

	 	 	 
	Party A:
	 	Jieli Investment Management Consulting (Shanghai) Co., Ltd.

	 	 	 

	Legal Address:
	 	Room 4B, 1358 West Yan’an Road, Changning District, Shanghai

	 	 	 

	Party B:
	 	 

	Liu Qinying
	 	 

	 	 	 

	Nationality:
	 	China

	 	 	 

	ID No.:
	 	310107196204292069

	 	 	 

	Address:
	 	Room 803, Building No.3, lane 1128 Xikang Road, Putuo District, Shanghai

	 	 	 

	Party C:
	 	 

	Yang Le
	 	 

	 	 	 

	Nationality:
	 	China

	 	 	 

	ID No.:
	 	440232197003160049

	 	 	 

	Address:
	 	Room 11J, Building No.2 Longzhuhuayuanmingzhu Qarter, Buji Town , Longgang District,
Shenzhen, Guangdong

Party A, Party B and Party C shall be referred to as a “Party” individually and collectively the
“Parties”.

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	1.	 	Loan
	 
	(1)	 	Subject to the terms and conditions of this Agreement, Party A agrees to make available to
Party B and Party C the following loan: Party A agrees to provide Party B and Party C a
renminbi loan in the aggregate up to an amount equivalent to USD
11,220,000.00. Party B and Party C shall have access to the loan in proportion to their
respective equity ratio in Shanghai Jingli Advertising Co., Ltd. (“Jingli Advertising”). The
term of loan shall be ten years commencing as of the effective date of this Agreement. This
Agreement shall be automatically extended for another ten years unless Party A terminates this
Agreement in writing three months prior to its expiration. Party B and Party C shall prepay
the loan in the event of any of the following during the said term or extension:

	 	a.	 	Party B or Party C dies, losses the capacity for civil conduct or becomes a person
with limited capacity for civil conduct;
	 
	 	b.	 	Party B or Party C ceases to hold any office in Party A or any of its affiliates;
	 
	 	c.	 	Party B or Party C is engaged or involved in any criminal offence;
	 
	 	d.	 	Party B or Party C is unable to pay any claims in excess of RMB1 million filed by
any third party against it;
	 
	 	e.	 	Once permitted under the laws and regulations, Party B or Party C may repay the
loan in such a manner as provided herein upon delivery by Party A of a written notice to
Party B or Party C.

	 	 	In case of such event as described in item (e), Party A , Party B and Party C shall promptly
negotiate with respect to Party B and Party C’s repayment of relevant loan to Party A in such
a manner as provided herein; in case of such events as described in item (a) to (d), if Party
B and Party C remain unable to repay the loan in such a manner as provided herein due to the
restrictions of applicable laws, Party B and Party C shall transfer all of its rights and
obligations hereunder to Party A or such persons or entities as designated by Party A.
	 
	(2)	 	Party B and Party C agree to accept the above loan granted by Party A and warrant that such
loan will be used to:

	 	a.	 	invest in and establish Jingli Advertising in China; or

	 
	 	b.	 	increase the registered capital of Jingli Advertising.

	(3)	 	The Parties agree and acknowledge that the loan shall be repaid by Party B and Party C solely
by way of Party B and Party C’s transfer, whether severally or jointly, of all of their
existing or future equity interest in Jingli Advertising to Party A or any third party
designated by Party A, whether a legal person or a natural person; the consideration for the
said transfer shall be a minimum permitted by the then laws of China; any proceeds received by
Party B and Party C from their holding or transfer of all equity interest in Jingli
Advertising in excess of the
amount of the loan granted by Party A to Party B and Party C shall be used to discharge the
repayment obligation hereunder. The loan hereunder shall be deemed to have been repaid in full
and this Agreement performed once Party B and Party C have repaid the loan granted by Party A
in the aforesaid manner.

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	(4)	 	The Parties agree that Party A shall have the right, but not obligation, to purchase or
designate a third party to purchase all or part of the existing or future equity interest held
by Party B and Party C in Jingli advertising. Concurrently with the execution of this
Agreement, the Parties shall enter into an exclusive call option agreement (“Exclusive Call
Option Agreement”), whereby Party B and Party C severally and jointly irrevocably grant Party
A or a third party designated by Party A an exclusive right to purchase all of its existing or
future equity interest in Jingli Advertising. Accordingly, Party B and Party C shall severally
and jointly undertake to execute an irrevocable power of attorney, authorizing Party A or a
natural person designated by Party A to exercise all or part of Party B and Party C’s existing
or future rights as shareholders of Jingli Advertising.
	 
	2.	 	Representations and Warranties
	 
	(1)	 	Party A warrants that, as of the execution of this Agreement up to the termination of this
Agreement:

	 	a.	 	Party A is a wholly foreign-owned enterprise established under the laws of China;
	 
	 	b.	 	Party A has obtained all requisite and appropriate approval and authorization to
enter into and perform this Agreement. The execution and performance of this Agreement
are in consistency with the business scope, articles of association and other corporate
documents of Party A;
	 
	 	c.	 	The execution and performance by Party A of this Agreement do not contravene any
laws, regulations, governmental approvals, governmental notices or other governmental
documents binding upon or affecting Party A, nor violate any agreement entered into by
and between Party A and any third party; and
	 
	 	d.	 	This Agreement shall become legally effective once executed and Party A shall
perform all of its obligations hereunder.

	(2)	 	Party B and Party C severally and jointly warrant that, as of the execution of this Agreement
up to the termination of this Agreement:

	 	a.	 	Jingli Advertising is a limited liability company duly established and existing
under the laws of China;

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	 	b.	 	Party B and Party C have obtained all requisite and appropriate approval and
authorization to enter into and perform this Agreement;
	 
	 	c.	 	The execution and performance by Party B and Party C of this Agreement do not
contravene any laws, regulations, governmental approvals, governmental notices or other
governmental documents binding upon or affecting Party B and Party C, nor violate any
agreement entered into between Party B, Party C and any third party;
	 
	 	d.	 	This Agreement shall become legally effective once executed and Party B and Party C
shall perform all of their obligations hereunder;
	 
	 	e.	 	Party B and Party C have contributed the capital to Jingli Advertising within the
prescribed period pursuant to the articles of association of Jingli Advertising and under
the laws of China and have obtained the Capital Verification Report issued by a qualified
accounting firm in respect of such capital contribution.
	 
	 	f.	 	Except for the equity pledge agreement to be entered into by and among the Parties
(“Equity Pledge Agreement”), Party B, Party C and other shareholders of Jingli
Advertising do not and will not create any mortgage, pledge or other encumbrance on the
equity interest in Jingli Adverting or enter into any purchase and sale or transfer
agreement with any third party other than an affiliate of Party A;
	 
	 	g.	 	There is no dispute, lawsuit, arbitration, administrative dispute or other legal
dispute pending or threatened against Party B, Party C or their equity interest in Jingli
Advertising; and
	 
	 	h.	 	Jingli Advertising has obtained and completed all governmental approvals, permits,
licenses, filings and registration necessary for it to engage in the business and own
assets within its business scope;
	 
	 	i.	 	There is no dispute, lawsuit, arbitration, administrative dispute or other legal
dispute pending or threatened against Jingli Advertising.
	 
	 	j.	 	Other representations and warranties applicable to Party B, Party C and Jingli
Advertising in Equity Pledge Agreement and Exclusive Call Option Agreement by and among
the Parties.

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	3.	 	Party B and Party C’s Obligations
	 
	(1)	 	During the term of this Agreement, as the existing or future majority shareholders of Jingli
Advertising, Party B and Party C shall exercise all of their rights of shareholders, including
but not limited to either vote at the shareholders’ meeting, or cause the directors, manager,
or other management appointed by them to exercise voting rights or management rights, to
procure and ensure that Jingli Adverting will (if applicable):

	 	a.	 	not supplement or amend its articles of association in any manner or increase or
decrease its registered capital or change its capitalization in any manner, without Party
A’s prior written consent;
	 
	 	b.	 	prudently and effectively maintain its operation activities pursuant to
well-established financial and business standards and not be to dissolved, liquidated or
bankrupt;
	 
	 	c.	 	not transfer, mortgage or otherwise dispose of the lawful rights and interests to
and in its lawful assets or incomes or create legal encumbrance on the security interest
in its assets or incomes, at any time without Party A’s prior written consent;
	 
	 	d.	 	not incur, succeed to, secure or permit any debts, unless the same are incurred in
its normal business operation or consented to or confirmed by Party A in advance;
	 
	 	e.	 	not enter into any material contract (exceeding RMB1 million) without Party A’s
prior written consent;
	 
	 	f.	 	not provide loan or security to any third party without Party A’s prior written
consent;
	 
	 	g.	 	provide Party A with all of its operation information and financial conditions at
the request of Party A;
	 
	 	h.	 	purchase insurance from insurance companies acceptable to Party A in such amounts
and of the lines as are customarily carried and insured against by companies doing
similar business and having similar assets in the place where it is located;
	 
	 	i.	 	not split or consolidate with, acquire or invest in any third party without Party
A’s prior written consent;
	 
	 	j.	 	promptly notify Party A of any lawsuit, arbitration or administrative dispute with
respect to its assets, business or incomes once it is occurred or is likely to occur;

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	 	k.	 	not distribute dividends to its shareholders in any manner without Party A’s prior
written consent; promptly distribute dividends to its shareholders at the request of
Party A;
	 
	 	l.	 	strictly comply with the provisions in the Exclusive Call Option Agreement and be
prohibited from any act or omission which would affect the validity and enforceability of
the Exclusive Call Option Agreement.

	(2)	 	Party B and Party C severally and jointly undertake that they shall:

	 	a.	 	not transfer, mortgage or otherwise dispose of the lawful rights and interests to
and in the equity interest held by them in Jingli Advertising or create legal encumbrance
on the security interest in such equity interest at any time without Party A’s prior
written consent, except as provided in the Equity Pledge Agreement;
	 
	 	b.	 	cause the directors appointed by them not to approve the transfer, mortgage or
otherwise disposal of the lawful rights and interests in and to the equity interest held
by it in Jingli Advertising or the creation of legal encumbrance on the security interest
in such equity interest, except to Party A or a third party designated by Party A;
	 
	 	c.	 	cause the directors appointed by them not to approve consolidation with,
acquisition of or investment in a third party by Jingli Advertising and not to make
resolution or matter which is in violation of the warranties made by Party B and Party C
to Party A in Clause 3 hereof, without Party A’s prior written consent;
	 
	 	d.	 	promptly notify Party A of any lawsuit, arbitration or administrative dispute with
respect to its equity interest once it is occurred or is likely to occur;
	 
	 	e.	 	be prohibited from any action or omission which would have a material effect on the
assets, businesses or liabilities of Jingli Advertising without Party A’s prior written
consent;
	 
	 	f.	 	appoint natural persons designated by Party A to serve as directors of Jingli
Advertising at the request of Party A;
	 
	 	g.	 	to the extent permitted by the laws of China, promptly and unconditionally transfer
all of its equity interest in Jingli Advertising to Party A or a third party designated
by Party A at any time and at the request of Party A and cause other shareholders of
Jingli Advertising to waive their right of first refusal with respect to such transfer;

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	 	h.	 	to the extent permitted under the laws of China, cause other shareholders of Jingli
Advertising (if any) to promptly and unconditionally transfer all of their equity
interest in Jingli Advertising to Party A or a third party designated by Party A at any
time and at the request of Party A and waive their right of first refusal with respect to
such transfer;
	 
	 	i.	 	not approve Jingli Advertising to distribute dividends to their shareholders in any
manner without Party A’s prior written consent; promptly approve Jingli Advertising to
distribute dividends to their shareholders at the request of Party A;
	 
	 	j.	 	strictly comply with the provisions of this Agreement, Equity Pledge Agreement and
Exclusive Call Option Agreement, effectively perform their obligations under the said
agreements and be prohibited from any act or omission which would affect the validity or
enforceability of the said agreements.

	4.	 	Notice

Unless change of the following addresses with a written notice, all notices relating to this
Agreement shall be addressed to the following address by means of personal delivery, fax or
registered mail. If notice is given via registered mail, the date on the receipt shall be deemed
the date of delivery. If notice is given by personal delivery or via fax, the date of actual
receipt shall be deemed the date of delivery. In the case of delivery via fax, the notice in
original shall be addressed to the following relevant address by way of personal delivery or
registered mail.

Jieli Investment Management Consulting (Shanghai) Co., Ltd.

Room 4B, 1358 West Yan’an Road, Changning District, Shanghai

Liu Qinying

Room 803, Building No.3, lane 1128 Xikang Road, Putuo District, Shanghai

Yang Le

Room 11J, Building No.2 Longzhuhuayuanmingzhu Qarter, Buji Town,
Longgang District, Shenzhen, Guangdong

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	5.	 	Liabilities for Breach
	 
	(1)	 	The Parties hereby agree and acknowledge that, if either Party B or Party C (the “Breaching
Party”) materially violate any provision hereunder, or materially fail to perform any
obligation hereunder, such violation or failure shall constitute a breach of this Agreement
(the “Breach”). Party A shall have the rights to request the Breaching Party to make
correction or take other remedial measures in a reasonable period. If the Breaching Party
fails to make correction or take remedial measures in a reasonable period or within ten (10)
days after a written notice and request for correction from Party A, Party A shall have the
right at its sole discretion to take any of the following remedial measures: (1) terminate
this Agreement and make a claim to the Breaching Party for all damages; (2) request the
Breaching Party to make specific performance of the obligations hereunder and make a claim to
the Breaching Party for all damages; (3) sell off, auction the pledged equity interest
according to the Equity Pledge Agreement, be entitled to the proceeds from such auction or
sale-off as payment in first priority and make a claim to the Breaching Party for all damages
arising as a result thereof.
	 
	(2)	 	The Parties agree and acknowledge that, Party B and Party C shall have no right to terminate
this Agreement under any circumstance for any reason, unless otherwise provided hereunder.
	 
	(3)	 	The rights and remedies under this Agreement are cumulative, and do not exclude the rights
and remedies provided by the laws.
	 
	(4)	 	Notwithstanding other provisions of this Agreement, Clause 5 shall survive the suspension and
termination of this Agreement.
	 
	6.	 	Governing Law and Dispute Resolution
	 
	(1)	 	This Agreement shall be governed by and construed in accordance with the laws of the People’s
Republic of China.
	 
	(2)	 	Disputes arising out of or in connection with this Agreement shall first be resolved through
consultation between the Parties, failing which within 30 days shall be referred to the China
International Economic and Trade Arbitration Commission for arbitration in Shanghai in
accordance with its rules then in force and under the auspices of three arbitrators selected
in accordance with such rules. The arbitration shall be conducted in Chinese. The arbitration
award shall be final and binding upon the Parties.
	 
	(3)	 	During the course of settlement of dispute, the Parties hereof shall continue to perform
other provisions hereunder, except for the matters in dispute.

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	7.	 	Miscellaneous
	 
	(1)	 	This Agreement shall become effective once signed or affixed with seals by the Parties. This
Agreement constitutes the entire agreement between the Parties with respect to the subject
matter hereof, and supersedes all oral and written prior understandings and agreements between
the Parties prior to the effectiveness of this Agreement with respect to the subject matter.
This Agreement shall not be amended without the voting of Party A’s auditing committee or
board of directors.
	 
	(2)	 	Any successor to a Party hereto shall assume the rights and obligations of such Party
hereunder.
	 
	(3)	 	The invalidity of any part of this Agreement shall not affect the validity of any other
provision hereof.
	 
	(4)	 	This Agreement is executed in three originals, with each Party to retain one copy. The
Parties may execute more counterparts if necessary.

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[this page is for execution and contains no text of this Agreement]

Jieli Investment Management Consulting (Shanghai) Co., Ltd.(common seal)

Signed by Legal Representative or Authorized Representative: /s/Liu Qinying

/s/ Liu Qinying

/s/ Yang Le

10Exhibit 4.20

Exhibit 4.20

Translation

Supplementary Agreement (I) to the Polysilicon Supply Agreement

between

Jiangsu Zhongneng Polysilicon Technology Development Co., Ltd.

AND

Changzhou Trina Solar Energy Co., Ltd.

Seller Agreement No.: [SSC000119]

Buyer Agreement No.: [TCZ-A1130-0803-CGC-120-0]

August 19, 2008

 

 

 

Supplementary Agreement (I) to the Polysilicon Supply Agreement

	 	 	 
	Buyer: Changzhou Trina Solar Energy Co., Ltd.
	Domicile (Correspondence Address):

	 	No. 2, Tianhe Road, Xinbei District Electronic Industry Park,

Changzhou, Jiangsu Province

Legal Representative: Gao Jifan

	 	 	 
	Seller: Jiangsu Zhongneng Polysilicon Technology Development Co., Ltd.
	Domicile (Correspondence Address):

	 	No. 66, Yangshan Road, Xuzhou Economic Development Zone

Legal Representative: Zhu Guomin

The Buyer and the Seller entered into the Polysilicon Supply Agreement (Buyer’s Agreement No.:
TCZ-A1130-0803-CGC-120-0; Seller’s Agreement No.: SSC000119; hereinafter collectively referred to
as “Long-Term Agreement”) on March 29, 2008. The Parties hereby conclude the following
supplementary agreement (Supplementary Agreement (I) to the Polysilicon Supply Agreement,
hereinafter referred to as the “Supplementary Agreement”) in accordance with Article 1.3 and
Article 17 under the Long-Term Agreement, based on the principles of equality and mutual benefit
and through friendly consultations:

Article I The Parties agree (i) to change, among other things, the quantity supplied, product price
and delivery schedule of the polysilicon products in 2008 and 2009 agreed in Exhibit B to the
Long-Term Agreement; (ii) to supply solar monocrystalline 125x125mm silicon wafers (hereinafter
referred to as the “Silicon Wafer(s)”) in addition to the supply of polysilicon products from 2010
to 2015 agreed in Exhibit B to the Long-Term Agreement, and to agree on the price, among other
things, of the Silicon Wafers. After the aforesaid amendment, the detailed agreement such as the
quantity and the price of the products to be traded and the payment arrangements under the
Long-Term Agreement and this Supplementary Agreement shall be set forth in the Exhibit B-1 to this
Supplementary Agreement.

Article II Starting from the day on which this Supplementary Agreement is executed and comes into
effect, the Buyer will honor the Long-Term Agreement with respect to the revised Advance Payment.
The amount of the revised Advance Payment is [****]†. For the amount of Advance Payment
and the payment schedule, please refer to Exhibit B-1 to this Supplementary Agreement. Among the
Advance Payment, [****]† has already been paid by the Buyer to the Seller as the Advance
Payment for polysilicon products supply (“Polysilicon Advance Payment”). The relevant provisions
regarding the effectiveness of warranty and price offset of the Advance Payment shall still be
subject to the Long-Term Agreement; [****]† unpaid by the Buyer shall be the Advance
Payment for the newly added Silicon Wafer supply (“Silicon Wafer Advance Payment”). For each month
starting from January 1, 2011, [****]† of the total Silicon Wafers Advance Payment shall
be used to offset the monthly payment for the Silicon Wafers.

 

	 	 	 
	†	 	This portion of the Supplementary Agreement (I) to the
Polysilicon Supply Contract has been omitted and filed separately with the
Securities and Exchange Commission, pursuant to Rule 24b-2 under
the Securities Exchange Act of 1934.

 

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Article III Starting from the day on which this Supplementary Agreement is executed and comes into
effect, the Parties will honor the Long-Term Agreement with respect to the revised quantity and
price of the product supply, and Exhibit B to the Long-Term Agreement will be replaced by Exhibit
B-1 to this Supplementary Agreement. Before this Supplementary Agreement comes into effect, in the
event the Seller has already delivered the products to the Buyer in accordance with the quantity
and delivery schedule of 2008 agreed in Exhibit B to the Long-Term Agreement, the Parties shall
still perform their obligations in accordance with the Long-Term Agreement.

Article IV As for the newly added Silicon Wafer supply from 2010 to 2015, the Parties hereby agree
as follows (“goods” or “products” under this Article IV shall refer to Silicon Wafers). The
Parties shall implement the supply of the newly added Silicon Wafers from 2010 to 2015 in
accordance with the following terms:

	1.	 	Quality

The Silicon Wafers supplied by the Seller shall comply with Exhibit A-1 under this
Supplementary Agreement and its amendment by the Parties. The Parties shall amend the quality
specifications of the Silicon Wafers every year based on the consultations and agreement between
the Parties. If agreement cannot be reached after consultation, the disagreement shall be resolved
by Section 2 of Article 3.4 under the Long-Term Agreement every year. The disputes regarding the
quality of the Silicon Wafers products shall be governed by Section 1 of Article 3.4 under the
Long-Term Agreement.

	2.	 	Quantity and Price

The price and quantity of the Silicon Wafers to be supplied shall be implemented in accordance
with Exhibit B-1 under this Supplementary Agreement. Such price has already included VAT but
excluded transportation, insurance and any other expenses to be borne or paid by the Buyer. The
Seller is entitled to adjust the supply quantity of the products quarterly within ten percent (10%)
of the total quarterly quantity and the adjusted quantity shall be made up to the Buyer during the
following quarter.

	3.	 	Payment

	3.1	 	Advance Payment: the Buyer shall make the Advance Payment to the Seller in accordance with
Article II under this Supplementary Agreement.

	3.2	 	Payment for Goods: the Parties agree on the payment arrangements detailed in Exhibit B-1
under this Supplementary Agreement. In the event the Seller fails to receive the
corresponding payment for goods in full, it is entitled to refuse to deliver products to the
Buyer.

	3.3	 	The Seller shall issue to the Buyer the corresponding invoice (including VAT) within fifteen
(15) days after the Buyer makes the full payment for the products of current month.

 

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	4.	 	Packaging and Labeling 

	4.1	 	Packaging of Silicon Wafers: provide packaging specialized for long-distance transportation
to make sure that the goods is free from damage or contamination when arriving at the
warehouse designated by the Buyer. If the goods is damaged, lost or contaminated during the
course of transportation due to improper packaging, the Seller shall assume all the
liabilities. If damaged wafers are less than 0.3% of the Silicon Wafers delivered that time,
the Seller will be exempted from such liabilities.

	4.2	 	Labeling: The Seller shall label the manufacturer, production batch number, specifications,
weight and production date on the interior and exterior sides of the packaging if so requested
by the Buyer.

	5.	 	Delivery

The hand-over venue of Silicon Wafers shall be at the premises of the Seller or such other
place as may be designated by the Seller. The transportation and insurance expenses from the
hand-over venue to the Buyer shall be borne by the Buyer. Delivery shall be made every ten days,
and one-third of the goods deliverable that month shall be delivered at each delivery. Article
3.6.4 under the Long-Term Agreement shall apply to the delivery of the Silicon Wafers, but if the
Buyer fails to pick up the goods in time due to quality problems of the products supplied by the
Seller, such Article 3.6.4 under the Long-Term Agreement shall not apply.

	6.	 	Inspection

	6.1	 	Quantity inspection: the Buyer shall inspect the quantity of the goods within ten working
days after the Silicon Wafers arrive at the Buyer’s factory. In the event the Buyer finds
that there is shortage in quantity or more than 0.3% of the total goods delivered are broker
or crushed wafers, it shall notify the Seller in writing immediately and the Seller shall make
up for the short quantity within fifteen days after receiving the written notice from the
Buyer. The prerequisite for a make-up delivery of wafers is that the Buyer shall preserve the
complete packaging. The Seller shall not be responsible for damaging to wafers resulted from
a damaged or broken external packaging. The Silicon Wafers hence supplied shall be in
compliance with the quality specifications detailed in Exhibit A-1 under this Supplementary
Agreement or the amendments thereto by the Parties. In the event the Buyer fails to notify
the Seller in writing regarding the quantity shortfall within the aforesaid time limit, it
shall be deemed that the Buyer has no objection to the quantity of the products.

	6.2	 	Quality inspection: the quality and specifications of the Silicon Wafers shall be in
compliance with the specifications quality agreed in Exhibit A-1 under this Supplementary
Agreement and the amendments thereto by the Parties. The Buyer shall inspect the quality of
the goods within thirty days after the delivery of the Silicon Wafers by the Seller. In the
event that, during the inspection within thirty days after the delivery of the Silicon Wafers
by the Seller, the Buyer finds that the quality technical specifications is not in compliance
with Exhibit A-1 under this Supplementary Agreement and the amendments thereto by the Parties,
it shall notify the Seller in writing immediately and is entitled to request the Seller to
change the Silicon Wafers which are not in compliance with Exhibit A-1 under this
Supplementary Agreement and the amendments thereto within twenty days after receiving the
written notice from the Buyer. The changed goods shall be in compliance with the technical
specifications agreed in Exhibit A-1 under this Supplementary Agreement and the amendments
thereto by the Parties. In the event that the Buyer fails to notify the Seller in writing
regarding the quality shortfall within the aforesaid time limit, it shall be deemed that the
Buyer has no objection to the quality of the products.

 

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	6.3	 	Other inspection: the Buyer shall inspect the number of packages, external appearance and
weight of the Silicon Wafers when taking delivery of the goods and shall raise objections (if
any) on site. If the Buyer fails to raise objections on site, it shall be deemed that the
Buyer has no objection to the number of packages, exterior appearance and weight of the
products.

	6.4	 	Prior to delivery, the Buyer is entitled to designate personnel to inspect the products at
the hand-over venue, but he/she shall not affect the business operation of the Seller and
shall comply with the Seller’s internal regulations and guidelines such as production safety.

	6.5	 	All the relevant expenses resulting from the change of goods under the above Article 6.2
shall be borne by the Seller.

	6.6	 	In the event that the Parties dispute about the quality of the goods, before the quality of
the goods is finally determined pursuant to Article 3.4 Section 1 under the Long-Term
Agreement, if the Seller fails to change the goods per the Buyer’s request, Section 8.1 hereof
shall not apply. If it is finally determined that the goods are not in compliance with the
quality specifications specified in Exhibit A-1 under this Supplementary Agreement and the
amendment thereto by the Parties pursuant to Article 3.4 Section 1 under the Long-Term
Agreement, the Seller shall change the goods within twenty days after the day when the
inspection report is issued by the official inspection institution provided by the aforesaid
Article 3.4 Section 1 under the Long-Term Agreement and shall pay a penalty at a daily rate of
0.05% of the payment for the Silicon Wafers that shall be changed but not delivered from the
twenty-first day after the Buyer first issue the written notice for changing goods to the day
when the inspection report is issued. Otherwise, Article 8.1 hereunder shall apply.

	7.	 	Silicon Wafers processing

The Seller is entitled to process the Silicon Wafers itself or designate any third party
to do so.

	8.	 	Defaulting Liability

	 
	8.1	 	Seller’s Defaulting Liability

Other than events of force majeure, if the Seller delays delivery or change of goods, the
Buyer will give the Seller a thirty-day grace period and the Seller shall timely recify its
default. If the delay reaches thirty days after the day when the Seller receives the notice of
default issued by the Buyer and the Seller fails to deliver or change the goods, starting from the
thirty-first day, the Seller shall pay a penalty to the Buyer at a daily rate of 0.05% of the
payment for the goods that shall be delivered or changed but not delivered or changed. In the
event that the Seller fails to deliver or change the goods when the delay reaches

 

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sixty
days, the Buyer is entitled to terminate at any time the newly added purchase of the Silicon Wafers from 2010
to 2015. In case of such termination by the Buyer, the Buyer is entitled to request the Seller to,
within five days after the termination of such Silicon Wafers purchase from 2010 to 2015, (i) pay
the above cumulative penalty; (ii) refund the balance of all the Silicon Wafers Advance Payment
already made by the Buyer, and pay to the Buyer a penalty at twenty-five percent (25%) of the
balance of the Silicon Wafers Advance Payment; and (iii) pay a penalty at seven point five percent
(7.5%) of the unperformed portion of the total price of Silicon Wafers under this Supplementary
Agreement (including the price of the current batch of goods that shall be delivered but not
delivered or that goods that shall be changed but not changed). The Buyer may also choose not to
terminate the purchase and the above penalty in item (i) shall continue to be calculated
cumulatively. The Buyer may freely buy replacement products of such products in short supply from
markets home and abroad and the Seller shall pay the price difference of such replacement products
which exceeds the price agreed in Exhibit B-1 under this Supplementary Agreement and the amendment
thereto by the Parties, and the relevant costs for purchasing the replacement products. If the
Buyer purchases products from a third party, the replacement prices agreed by contracts shall not
exceed 120% of the market price when making the purchase. The relevant cost for purchasing the
replacement products shall not exceed 2% of such contract for purchasing the replacement products.

	8.2	 	Buyer’s Defaulting Liability

Other than events of force majeure, if the Buyer delays Silicon Wafers Advance Payment, the
Seller shall give the Buyer a twenty-day grace period and the Buyer shall timely rectify its
default. If the delay reaches twenty days after the day when the Buyer receives the notice of
default issued by the Seller and the Buyer fails to make the payment, the Seller is entitled to
terminate the supply of the newly added Silicon Wafers from 2010 to 2015 within thirty days
thereafter and forfeit the Advance Payment already made by the Buyer to the Seller. The Seller is
also entitled not to terminate the Supplementary Agreement and from the twenty-first day, the Buyer
shall pay a penalty to the Seller at a daily rate of 0.05% of the Advance Payment that shall be
made but not made.

If the Buyer delays any payment for goods, the Seller shall give the Buyer a thirty-day grace
period and the Buyer shall timely rectify its default. If the delay reaches thirty days after the
day when the Buyer receives the notice of default correction issued by the Seller and the Buyer
fails to make the payment, starting from the thirty-first day, the Buyer shall pay a penalty to the
Seller at a daily rate of 0.05% of the payment for the goods that shall be made but not made. In
the event the Buyer fails to make the payment for goods when the delay reaches sixty days, the
Seller is entitled to terminate at any time the supply of the newly added Silicon Wafers from 2010
to 2015. In case of such termination by the Seller, the Seller is entitled to request the Buyer
to, within five days after the termination, (i) pay the above cumulative penalty; (ii) forfeit
twenty-five percent (25%) of the balance of the Silicon Wafers Advance Payment already made by the
Buyer; and (iii) pay a penalty at twelve percent (12%) of the unperformed portion of the Silicon
Wafers total price under this Supplementary Agreement. The Seller shall refund to the Buyer
seventy-five percent (75%) of the balance of the Silicon Wafers Advance Payment already made by the
Buyer within five days after the termination of the aforesaid Silicon Wafers purchase from 2010 to
2015. The above payment payable to each other by the Buyer and the Seller can offset each other
and the balance payable after the offset shall be paid up. The Seller may also choose not to
terminate the product supply and the above penalty in item (i) shall continue to be calculated
cumulatively. The Seller may freely resell such products that the Buyer fails to buy to the
markets home and abroad and the Buyer shall pay to the Seller the price difference between the
resale price of such products and the price agreed in Exhibit B-1 under this Supplementary
Agreement and the amendment thereto by the Parties, and the relevant costs for resale. If the
Seller resells the products, the resale prices agreed by contracts shall not be lower than 80% of
the market price at the time of resale. The relevant cost for resale shall not exceed 2% of the
contract price for reselling such products.

 

6

 

	9.	 	If there occurs an event of force majeure, the Party that delays performing or fails to
perform its obligations pursuant to Article IV under this Supplementary Agreement due to the
force majeure shall notify the other Party in writing the relevant status of the event of
force majeure within 14 days after the occurrence of such event. If the event of force
majeure does not disappear or cannot be overcome within a consecutive of six months from the
day when the cause of force majeure occurs, the other Party is entitled to unilaterally
terminate the supply of Silicon Wafers agreed in this Supplementary Agreement and the Parties
shall consult to settle the following issues in accordance with relevant laws.

Article V The quality and specifications of the polysilicon under the Long-Term Agreement and this
Supplementary Agreement shall be in compliance with the specifications and quality agreed in
Exhibit A under the Long-Term Agreement. The Buyer shall inspect the quality of the goods within
forty-five days after accepting the polysilicon. If the Buyer finds out that, during the
inspection, the goods are not in compliance with the specifications and quality agreed in Exhibit A
under the Long-Term Agreement, it shall notify the Seller in writing immediately and is entitled to
ask the Seller to change the polysilicon products within thirty days after receiving the written
notice from the Buyer. If the Buyer fails to notify the Seller in writing regarding quality
shortfall within the aforesaid time limit, it shall be deemed that the Buyer has no objection to
the quality of the products.

Article VI The name of the Long-Term Agreement shall be changed to “Polysilicon and Silicon Wafers
Supply Agreement” and correspondingly “Polysilicon” in other articles of such Agreement shall be
changed to “Polysilicon and Silicon Wafers”.

Article VII As a supplementary agreement to the Long-Term Agreement, this Supplementary Agreement
will only change part of the Long-Term Agreement regarding the matters set out in this
Supplementary Agreement. The Parties agree that the other articles under the Long-Term Agreement
shall survive with the original legal effect and shall continue to be performed and observed by the
Parties. For the avoidance of doubt, the Parties agree that, unless amended by this Supplementary
Agreement, all the agreements regarding the purchase and supply of the polysilicon products under
the Long-Term Agreement shall still be conducted in accordance with the Long-Term Agreement; the
agreements regarding the purchase, supply and defaulting liability of the Silicon Wafers products
shall be conducted in accordance with Article IV under this Supplementary Agreement. In the event
that a certain matter is silent in this Supplementary Agreement, the Parties shall comply with the
Long-Term Agreement in respect of such matter. Such matters include those not provided for by the
Article IV hereof but are provided for by “Recitals”, “Section 1 Definitions”, “Section 2 General
Provisions” and “Section 3 Supply of Products” under the Long-Term Agreement, and the Articles 4,
5, 6, 7, and 9 under the Long-Term Agreement.

 

7

 

Article VIII Without prior written consent from the other Party, each Party shall keep confidential
any materials and information relating to this Supplementary Agreement and shall not disclose,
directly or indirectly, the information it knows relating to the other Party, except those required
to be disclosed pursuant to laws and regulations. If any confidential information is disclosed
pursuant to the requirements of laws and regulations, the Party involved shall try its best to
apply to keep the sensitive information confidential before the disclosure, and to inform the other
Party in writing and negotiate about the content and scope to be disclosed.

Article IX The interpretation and performance of this Supplementary Agreement shall be governed by
the currently effective Chinese laws.

Article X Those not covered in this Supplementary Agreement shall be settled by a written
supplementary agreement otherwise agreed by the Parties. Such written supplementary agreement shall
have the same legal effect as this Supplementary Agreement.

Article XI This Supplementary Agreement shall come into effect after it is signed and sealed by the
legal representatives or authorized representatives of the Parties.

Article XII This Supplementary Agreement is made in four counterparts with each Party holding two
copies. Each copy shall have the same legal effect.

 

8

 

[Signature page to follow]

Buyer: Changzhou Trina Solar Energy Co., Ltd.

	 	 	 	 	 
	Representative:

	 	/s/ Gao Jifan
 

	 	 
	(with common seal of Changzhou Trina Solar Energy Co., Ltd.)

			
	Position:	 	CEO 
 August 19, 2008

Seller: Jiangsu Zhongneng Polysilicon Technology Development Co., Ltd.

	 	 	 	 	 
	Representative:

	 	/s/
 

	 	 
	(with common seal of Jiangsu Zhongneng Polysilicon
Technology Development Co., Ltd.)	 	 

			
	Position:	 	                     

August 19, 2008

 

9

 

Exhibit A-1

Specifications of Solar Monocrystalline 125x125mm silicon wafers

[****]†

 

	 	 	 
	†	 	This portion of the Supplementary Agreement (I) to the
Polysilicon Supply Contract has been omitted and filed separately with the
Securities and Exchange Commission, pursuant to Rule 24b-2 under
the Securities Exchange Act of 1934.

 

10

 

Exhibit B-1

Supply Quantity, Price and Advance Payment of Products

2008 Monthly Polysilicon Supply Quantity and Price

	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 
	Month	 	Unit	 	September	 	 	October	 	 	November	 	 	December	 	 	Total	 
	Planned quantity of
products supplied
	 	Ton	 	 	[****]	†	 	 	[****]	†	 	 	[****]	†	 	 	[****]	†	 	 	226	 
	Unit price with tax
included
	 	RMB/kg	 	 	[****]	†	 	 	[****]	†	 	 	[****]	†	 	 	[****]	†	 	 	 	 
	Total price with
tax included
	 	RMB	 	 	[****]	†	 	 	[****]	†	 	 	[****]	†	 	 	[****]	†	 	 	[****]	†
	Monthly settlement
date
	 	 	 	 	[****]	†	 	 	[****]	†	 	 	[****]	†	 	 	[****]	†	 	 	 	 

2009 Quarterly Polysilicon Supply Quantity and Price

	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 
	Quarter	 	 	 	First quarter	 	 	Second quarter	 	 	Third quarter	 	 	Forth quarter	 	 	Total	 
	Planned quantity of
products supplied
	 	Ton	 	 	[****]	†	 	 	[****]	†	 	 	[****]	†	 	 	[****]	†	 	 	1500	 
	Unit price with tax
included
	 	RMB/kg	 	 	[****]	†	 	 	[****]	†	 	 	[****]	†	 	 	[****]	†	 	 	 	 
	Total price with
tax included
	 	RMB	 	 	[****]	†	 	 	[****]	†	 	 	[****]	†	 	 	[****]	†	 	 	[****]	†

 

	 	 	 
	†	 	This portion of the Supplementary Agreement (I) to the
Polysilicon Supply Contract has been omitted and filed separately with the
Securities and Exchange Commission, pursuant to Rule 24b-2 under
the Securities Exchange Act of 1934.

 

11

 

2010 to 2015 Annual Plan of Supply Quantity and Price of Polysilicon and Silicon Wafers (125x125mm)

	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 
	Year	 	 	 	2010	 	 	2011	 	 	2012	 	 	2013	 	 	2014	 	 	2015	 	 	Total	 
	Quantity of
Polysilicon
	 	Ton	 	 	[****]	†	 	 	[****]	†	 	 	[****]	†	 	 	[****]	†	 	 	[****]	†	 	 	[****]	†	 	 	16350	 
	Unit price with tax
included of
Polysilicon
	 	RMB/kg	 	 	[****]	†	 	 	[****]	†	 	 	[****]	†	 	 	[****]	†	 	 	[****]	†	 	 	[****]	†	 	 	 	 
	Total price with
tax included of
Polysilicon
	 	RMB	 	 	[****]	†	 	 	[****]	†	 	 	[****]	†	 	 	[****]	†	 	 	[****]	†	 	 	[****]	†	 	 	[****]	†
	Quantity of Silicon
Wafers (125x125mm)
	 	pc	 	 	[****]	†	 	 	[****]	†	 	 	[****]	†	 	 	[****]	†	 	 	[****]	†	 	 	[****]	†	 	 	912,000,000	 
	Unit price with tax
included of Silicon
Wafers (125x125mm)
	 	RMB/pc	 	 	[****]	†	 	 	[****]	†	 	 	[****]	†	 	 	[****]	†	 	 	[****]	†	 	 	[****]	†	 	 	 	 
	Total price with
tax included of
Silicon Wafers
(125x125mm)
	 	RMB	 	 	[****]	†	 	 	[****]	†	 	 	[****]	†	 	 	[****]	†	 	 	[****]	†	 	 	[****]	†	 	 	[****]	†
	Total Contract Price
	 	 	 	 	[****]	†	 	 	[****]	†	 	 	[****]	†	 	 	[****]	†	 	 	[****]	†	 	 	[****]	†	 	 	[****]	†
	 
	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 
	Advance Payment
	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 
	Total Advance Payment
	 	RMB	 	 	[****]	†	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 
	Advance Payment Made
	 	RMB	 	 	[****]	†	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 
	Advance Payment to be Made
	 	RMB	 	 	[****]	†	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 
	Progress for the Advance
Payment to be Made (Paid
by Such Date)
	 	 	 	 	[****]	†	 	 	[****]	†	 	 	[****]	†	 	 	[****]	†	 	 	[****]	†	 	 	 	 	 	 	 	 
	Progress for the Advance
Payment to be Made
(Amount Due on Each
Payment Date)
	 	RMB	 	 	[****]	†	 	 	[****]	†	 	 	[****]	†	 	 	[****]	†	 	 	[****]	†	 	 	[****]	†	 	 	 	 

1. [****]†

2. [****]†

3. [****]†

4. [****]†

 

	 	 	 
	†	 	This portion of the Supplementary Agreement (I) to the
Polysilicon Supply Contract has been omitted and filed separately with the
Securities and Exchange Commission, pursuant to Rule 24b-2 under
the Securities Exchange Act of 1934.

 

12

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