Place and date:

For the issuing office: Katy, TX, 27, July, 2015 DNV GL – Business Assurance

1400 Ravello Drive, Katy, TX, 77449 USA

John C. Stefan Management Representative

Lack of fulfilment of conditions as set out in the Certification Agreement may render this Certificate invalid. ACCREDITED UNIT: DNV GL Business Assurance B.V., ZWOLSEWEG 1, 2994 LB, BARENDRECHT, NETHERLANDS. TEL:+31102922689. assurance.dnvgl.com

MANAGEMENT SYSTEM CERTIFICATE

Certificate No: 183883-2015-AQ-USA-RvA

Initial certification date: 27, July, 2015

Valid: 27, July, 2015 - 27, July, 2018

This is to certify that the management system of

Upwind Solutions 4863 Shawline Street, Suite A, San Diego, CA 92111 USAand the sites as mentioned below has been found to conform to the Quality Management System standard: ISO 9001:2008 This certificate is valid for the following scope:Provider of Wind Turbine Inspections, Operation, Maintenance, and Repair Services at customer’s wind farms. Locations included in the certification are as follows:

Site Name Site Address Site ScopeUpwind Solutions (HQ)

4863 Shawline Street, Suite A, San Diego, CA, 92111-1435, USA

Quality Systems & Documentation Administration (including Accounting, Finance, IT) Management Receiving/Shipping/Parts Warehouse Engineering Operations & Maintenance (including Customer Services, Logistics) Purchasing, (Service Parts) Human Resources Legal/Contract, Administration, Sales & Marketing

Upwind Solutions 1306 Elm Street, Sweetwater, TX, 79556-2314, USA

Management Receiving/Shipping/Parts Warehouse Operations & Maintenance, EH&S