Solar / Fuel Cell Technologies Photovoltaic Modules Attn: Email: jcastagna@us.tuv .com Mr. Alec Bornemann Production Engineer EcoFasten Solar 289 Harrel Street Morrisville, VT 05661 480-966-1700, x8153 June 9, 2016 Letter of Conformance – ANSI/UL 2703 Type of Equipment: Model Designation: Serial Number: Test Requirement: PV Module Mounting System Rock-It System N/A ANSI/UL 2703: First Edition TÜV Rheinland Reference File: TÜV Rheinland Project Number: L2-ECF150903 ECF150903 Dear Mr. Bornemann, EcoFasten Solar’s Rock-It System Version 2.0 has been successfully evaluated according to all applicable requirements of ANSI/UL 2703: First Edition. Congratulations on this achievement. During the course of this qualification effort, multiple projects were executed prior to the submission of results for final certification and listing. Table 1 below identifies the purpose of each project included in this initial certification effort. Table 1: Rock-IT Version 2.0 ANSI/UL 2703 Projects Project Number ECF150903 ECF150926 ECF150927 ECF150928 ECF150929 ECF150930 ECF151016 ECF160216 Project Target Qualified Model Scope Module/Assembly Type Update Rock-It listing to UL2703 First Jinko Solar JKMXXXP-60 Edition; add Version 2.0 components. Mechanical Load qualification. Trina Solar TSM-XXXPA05.08 Mechanical Load qualification. LG Electronics LGXXXN1C-B3 Mechanical Load qualification. Canadian Solar CS6P-XXXP Mechanical Load qualification. Yingli Solar YLXXXP-29b SolarEdge Power Qualify Rock-IT Clip SS for bonding Optimizers; P300; specified optimizers/microinverters to multiple module frames. Enphase Micro- M215, M250, C250 interters Mechanical Load qualification. LG Electronics LGXXXN1K-G4 Mechanical Load qualification. Axitec Solar AC-XXXM/156-60S Previous Deliverable L1-ECF150903 L1-ECF150903 L1-ECF150927 L1-ECF150903 L1-ECF150929 L2-ECF150930 TUV Rheinland L1-ECF150929 L1-ECF150929 This letter may be used as a letter of conformance (LOC) indicating the Rock-It System, Version 2.0 PV mounting system has met all relevant requirements of ANSI/UL2703: First Edition. This letter also provides “Authorization to Mark” (ATM) beginning with the date above, for products being manufactured to the qualified configuration. 1107 W Fairmont Dr.. Tempe, AZ 85282 USA Tel Fax Mail +1 480 966 1700 +1 775 314 6458 info@tuvptl.com North American Headquarters Sincerely, Solar Components Program Manager TÜV Rheinland PTL, LLC Page 1 of 1 1 Federal Street Boston, MA 02110 Tel 617-422-4888 Toll Free TUV-RHEINLAND Web www.tuv.com Member of TÜV Rheinland Group