[7,900,000 American Depositary Shares Each representing 50 Ordinary Shares TRINA SOLAR LIMITED UNDERWRITING AGREEMENT March 18, 2010 Credit Suisse Securities (USA) LLC Goldman Sachs (Asia) L.L.C. th Barclays Capital Inc. Schedule A As Representatives of the several Underwriters Dear Sirs: Introductory Company Underwriters Representatives ADSs ADS Shares Offered Securities 1. Deposit Agreement Depositary ADRs 2. Filing and Effectiveness of Registration] [FORM 6-K TRINA SOLAR LIMITED No. 2 Tian He Road þ Form 20-F o Form 40-F o Rule 101(b)(1): o Rule 101(b)(7): Incorporation by Reference TRINA SOLAR LIMITED Jifan Gao Chairman and Chief Executive Officer 6-K 1 c98106e6vk.htm FORM 6-K]

[Trina Solar Announces Pricing of Follow-on Public Offering of CHANGZHOU, China, March 19, 2010/PRNewswire-Asia-FirstCall via COMTEX/ — Trina Solar Limited (NYSE: TSL) (“Trina Solar” or the “Company”), a leading integrated manufacturer of solar photovoltaic products from the production of ingots, wafers and cells to the assembly of PV modules, today announced that its follow-on public offering of 7,900,000 American depositary] [FORM 6-K TRINA SOLAR LIMITED No. 2 Tian He Road Form 20-F Form 40-F: þ Form 20-F o Form 40-F Regulation S-T o Rule 101(b)(1): Regulation S-T o Rule 101(b)(7): TRINA SOLAR LIMITED Jifan Gao Chairman and Chief Executive Officer 6-K 1 c98108e6vk.htm FORM 6-K]