‎PSE&G Energy $aver Program for Non Profit, Municipal and Small Business Willdan Energy Solutions, Inc New Jersey Capabilities and Experience May 16, 2019

Agenda Introductions Willdan Overview Services and Capabilities NJCEP Program Discussion Healthcare Experience Discussion

About Willdan Willdan Group Inc. (NASDAQ: WLDN) is a 53- year-old, national, financially-strong, publicly- traded energy efficiency and professional engineering firm 273M revenue profitable for 2017 Serves state and local government, utilities, universities and private commercial customers Completed 150,000 projects 37 Utilities – 55 commercial Energy efficiency Program Services: Engineering and Construction Management Advanced Energy Services/Microgrids Energy Program Implementation and Management, 100+ programs for over 50 utilities Supported engineering and energy projects to over 500 hotels with over 93,000 rooms

Willdan Regional Operations 250 staff members across 8 offices Staff includes Professional Engineers, Cx Agents, project managers, auditors, installers, executives and support staff PSEG IGA Engineer, PSEG and State DI contractor Helped customer participate on NJCEP Programs Cx for Cooper 4.6MW CHP Project Energy Service Comprehensive Surveys, Master Plan and Facility Audits Facility Condition Assessments DER, Storage, CHP, Microgrids Energy Use Benchmarking Energy Consulting and Analysis Master Planning District Energy Project Engineering and Design Lighting Emergency Power Plants / Demand Response Project Implementation and Construction Management Commissioning and RCx Electrical Contracting

NJ Clean Energy Programs Program Name Willdan’s Role Representative Customers Direct Install Program Qualified Contractor 400+ active customers NJ SmartStart Buildings Program Program Participant More than 100+ customers Morgan Stanley Philip Van Heusen Pay for Performance Program (P4P) Qualified Partner Stone Mountain Properties Galaxy Towers Renaissance Woodbridge Large Energy Users Program (LEUP) Equinix Digital Realty Trust Atlantic Health System Goldman Sachs Combined Heat & Power (CHP) and Fuel Cells Renaissance Woodbridge hotel Cooper University Healthcare (ERB) Energy Savings Improvement Program (ESIP) DPMC-qualified 5-7 ESCO projects under development

Representative Customers PSE&G EE Programs Program Name Willdan’s Role Representative Customers PSE&G Energy $aver Program Qualified Contractor Begin new in February 2017 and working about 350 customers PSE&G EE Hospital Efficiency Program IGA Engineer (Program-wide) Atlantic Health Hackensack Meridian RWJ Barnabas Prime Healthcare PSE&G EE Multifamily Program Participant West New York Housing Authority The Arbors Summit Plaza Direct Install Program Participating Contractor for Essex & Union Counties since 2016 NJ SmartStart Buildings Program Willdan brings turnkey energy efficiency projects through SmartStart Pay for Performance Program (P4P) Willdan is an Existing Building Partner since 2014 In 2018, we are going to apply for New Construction Large Energy Users Program (LEUP) Willdan brings large data center (e.g., Digital Realty Trust), hospital and financial customers Combined Heat & Power (CHP) and Fuel Cells Willdan is Commissioning Agent for ERB-funded CHP plant at Cooper University Healthcare in Camden, NJ Energy Savings Improvement Program (ESIP) Willdan is classified with DPMC for Energy Services/ESCO and Electrical up to $100MM

PSEG Energy $aver Program Eligibility Criteria:   Existing municipal, non- profit, and small to mid-sized commercial and industrial facilities with a peak electric demand that did not exceed 200 kW in any of the preceding 12 months in Urban Enterprises Zones are eligible to participate in the Direct Install Program. PSEG verifies eligibility for the customers.   Systems and Equipment covered under program: Lighting and Lighting Controls Refrigeration and Controls HVAC (Package, Split, Heat Pump) Boilers and Water Heaters (Gas, Propane and Oil) HVAC Controls, Water and Insulation Cooking and Food Services Appliances Program Pays for 100% of measure cost and customer is responsible for 30%, which they typically repay on bill at 0% interest in 36 months payment. Generally customers bill go down even after adding 30% payment, hence cash flow positive.  

Benefit of PSE&G Energy $aver Program BENEFITS No Upfront Project cost : PSE&G pays 100% of project cost and customer repay on bill 0% finance 30% of their contribution in 36 months Turnkey Process - A network of selected participating contractors addresses your project from start to finish, beginning with an assessment of your facility, and ending with the installation of eligible energy-efficient equipment. Minimal Cost – Customer’s share of the project’s cost will be approximately 30%, the program pays the remaining 70%. Most importantly, no money down, as PSEG pays 100% project cost from beginning. With incentives so dramatic, Generally net cash flow positive from day 1. Fast Turnaround Time - Project installations are typically completed within 90 days from the time of scheduling your energy assessment. Ongoing Savings - Your new energy-efficient equipment will provide savings for years to come through dramatically reduced energy costs on your monthly utility bills. Upgrade Existing Equipment - All the new selected equipment is required to meet ASHRAE 90.1 2013, which is a state Energy Code.

PSEG Energy $aver Process – (60-90 Days) Typical Project Initial Eligibility Criteria AAA Forms Perform Audit and Proposal Willdan’s Staff conduct an Audit and develop scope PSE&G Approval PSEG review Willdan’s proposal and approval Customer Approval: Customer Reviews project and provide their contract approval Install Measures and Start Saving Energy

Thank You Tejas Desai PE CEM Vice President Cell (646) 357-6340 Email – tdesai@willdan.com Jeffrey Burger Business Development Manager Cell (973) 906 0906 Email –Jburger@willdan.com