Trina Solar held an earnings call to discuss its Q4 2012 and fiscal year 2012 performance. Key highlights included module and system shipments of 415MW and 1.6GW respectively. Revenue was $302.7 million for Q4 2012 and $1.3 billion for fiscal year 2012. Gross margins were low due to write-downs and provisions. The company provided guidance for Q1 2013 shipments of 420-430MW and fiscal year 2013 shipments of 2-2.1GW. Trina Solar has a strong balance sheet with $918 million in cash and manufacturing capacity of 2.4GW for modules and 2.4GW for cells. Regional sales breakdowns and commercial strategies were also discussed.

1. Q4 2012 Supplemental Earnings Call
Presentation
Investor Relations
February 26, 2013

2. Disclaimers & Safe Harbor Statement
This presentation does not constitute an offer to sell or issue or the solicitation of an offer to buy or acquire securities of
Trina Solar Limited (the “Company”) in any jurisdiction or an inducement to enter into investment activity, nor may it or
any part of it form the basis of or be relied on in connection with any contract or commitment whatsoever.
The information herein has been prepared by the Company solely for use in this presentation. No representation,
warranty or undertaking, express or implied, is made as to, and no reliance should be placed on, the fairness, accuracy,
completeness or correctness of the information or the opinions contained herein. None of the Company or any of its
affiliates, advisors or representatives will be liable (in negligence or otherwise) for any loss howsoever arising from any
use of this presentation or its contents or otherwise arising in connection with the presentation.
This announcement contains forward-looking statements within the meaning of the safe harbor provisions of the Private
Securities Litigation Reform Act of 1995. All statements other than statements of historical fact in this announcement are
forward-looking statements, including but not limited to, the Company's ability to raise additional capital to finance the
Company's activities; the effectiveness, profitability and marketability of its products; the future trading of the securities
of the Company; the period of time for which the Company's current liquidity will enable the Company to fund its
operations; general economic and business conditions; the volatility of the Company's operating results and financial
condition; and other risks detailed in the Company's filings with the Securities and Exchange Commission.
These forward-looking statements involve known and unknown risks and uncertainties and are based on current
expectations, assumptions, estimates and projections about the Company and the industry in which the Company
operates. The Company undertakes no obligation to update forward-looking statements to reflect subsequent occurring
events or circumstances, or to changes in its expectations, except as may be required by law. Although the Company
believes that the expectations expressed in these forward looking statements are reasonable, it cannot assure you that
such expectations will turn out to be correct, and the Company cautions investors that actual results may differ
materially from the anticipated results.
2

3. Fourth Quarter and Fiscal Year 2012 Performance Overview
Categories Fourth Quarter 2012 Full Year 2012
Module and System Deliveries 415 MW (+9.0% QoQ) 1.6 GW (+5.4% YoY)
Revenue (US$) $302.7 mil (+1.6% QoQ) $1.30 bil (-36.7% YoY)
Overall gross margin (%) 1.9%(1) 4.4%(1)
Operating margin (%) -23.3% -20.4%
Earnings per ADS -1.23 -3.77
(1) Includes write-downs and provisions
Quarterly Revenue and Shipment
436 425 Gross Profit and Gross Margin
419 415
380 380 8.4%
350 346 7.1%
303 5.8%
298
31.0 1.9%
29.0 0.8%
20.3
5.6
2.4
Q4 11 Q1 12 Q2 12 Q3 12 Q4 12 Q4 11 Q1 12 Q2 12 Q3 12 Q4 12
Revenue (US$, million) Shipment (MW) Gross Profit (US$, million) Gross Margin
3

4. Financial Highlights & Outlook
Q1 2013 Guidance FY 2013 Guidance
PV Module and System Delivery (MW) 420 - 430 MW 2 - 2.1 GW
Overall gross margin (%) Low single digit * −
* Includes write-downs and provisions
Annualized Manufacturing Capacity
Value Jun 30, 2012 Sep 30, 2012 End of Q4, 2012 End of Q1, 2013
Areas (MW) 1 (MW) 1 (MW) 1 (MW) 1  Obtained new CDB loan facilities in total amount of $250 million
 Reduced inventory by $48.6 million, and accounts receivables by
$79.1 million, to $318.5 million and $390.2 million respectively
Modules 2,400 2,400 2,400 2,400
 Repurchased $5.0 mil of July 2013 convertible senior notes,
resulting in a $0.6 mil gain (Dec. 2012: $83.6 mil CB principle balance)
Cells 2,400 2,400 2,400 2,400
 Efficient manufacturing and supply chain management improved
Wafers 1,200 1,200 1,200 1,200 production costs, which was affected by under-utilization
(Total $0.61 per watt, Si and non-Si, excluding inventory effects)
Ingots 1,200 1,200 1,200 1,200
1. Based on average manufacturing yield
4

5. Strong Balance Sheet
Selected Financials Highlights
($ mm) Dec. 31 , 2012 Sep. 30 , 2012 Dec. 31 , 2011
Cash and Cash Equivalents, & Restricted Cash 918 703 896
Accounts Receivable 390 469 467
Inventories 319 367 250
Current Portion of advances to suppliers 58 70 63
Net PP&E 893 903 920
Total Assets 2,865 2,861 2,877
Total Debt 1,374 1,209 1,037
Short-term Debt 959* 778* 389
Long-term Debt 415 431 648*
Total Liabilities 1,983 1,891 1,732
Shareholders' Equity 882 969 1,145
*Includes Senior Convertible notes due July. 2013
5

6. Sales Revenue Breakdown by Regions
Q3 2012: US$ 298.0 million Q4 2012: US$ 302.7 million
ROW, 4.1%
ROW 0.8% ROE, 4.0%
Japan 3.3% Japan, 7.2%
ROE
UK 2.5% 8.1% USA 14.5%
UK, 4.6% USA, 22.5%
India 7.1%
Greece, 2.8%
Australia Australia, 7.4% Germany,
8.2% 12.9%
China 13.5% Germany
38.9% China, 32.4%
Italy, 2.1%
Italy 3.1%
1. Geographical breakdown based on country record of sale, not end-installation
2. Includes sales to multi-regional developers
4Q 2012 Operational highlights:
 Increased sales in growth markets: China, US, Japan, UK
 Normalized G&A expense reduction from 2H-2012 streamlining and cost-cutting
 Positive Operating Cashflow: $74.6 million
 Cash Balances increased $215 million (to $918 million)*
* Cash and Cash Equivalents and Restricted Cash (December 31, 2012 )
6

7. FY 2012 Shipment Breakdown by Outlook
FY 2011 FY 2012
UK Japan
ROW 3.2% Belgium ROW 3.1% 3.0%
ROE 3.2% 2.0% 4.5%
ROE
5.7%
China
7.1% USA 21.5%
USA
25.5%
Spain
China
13.2%
12.9%
Germany
Italy 12.8% Germany
Australia 33.1%
37.0%
6.1%
Italy
6.1%
1. Geographical breakdown based on country record of sale, not end-installation
Commercial Strategies:
 Continue expansion in new growth markets, e.g. China, Japan, Latin America, and the Middle East
 Increased project related opportunities as PPA pricing approached with local grid costs
 Projects Systems Business targeted 20% of 2013 Gross Revenue
7

8. Global Operations
Over 20 sales and service locations worldwide
New Delhi, India
China
Chengdu
Urumqi
Beijing
Midlands, UK Seoul, S. Korea
Ontario, Canada
Tokyo, Japan
Zurich
Regional HQ
San Jose, CA Europe HQ
N. America HQ Changzhou, Jiangsu
Munich Corporate HQ & Factory
Shanghai, China
Bangkok, Thailand
Madrid Penang
Milan Singapore
APMEA HQ
Santiago, Chile Johannesburg
Abu Dhabi, UAE
Sydney, AUS & NZ office
Corporate & Regional Headquarters
Regional Sales & Marketing Branches
8

9. Q&A Session
• Jifan Gao, Chief Executive Officer
• Terry Wang, Chief Financial Officer
• Zhiguo Zhu, SVP and President of Trina Solar Module Business Unit
• Thomas Young, Vice President Investor Relations
9

10. CHINA
KOREA
JAPAN
U.S.A.
GERMANY
ITALY
SPAIN
SWITZERLAND
AUSTRALIA
www.trinasolar.com