2019 SUSTAIN ABILITY REPORT

SL GREEN SL GREEN REALTY CORP. SL GREEN HAS A HISTORY OF OWNERSHIP AND INTEREST ACROSS 115 MILLION SQUARE FEET OF MANHATTAN COMMERCIAL REAL ESTATE. EVERY SINGLE BUILDING THAT PASSES THROUGH OUR HANDS IS EVALUATED UNDER BOTH A FINANCIAL AND ENVIRONMENTAL LENS TO ENSURE THAT BUILDING SYSTEMS AND OPERATIONS ARE ALIGNED WITH OUR ESG GOALS AND THE RESILIENCY OF NEW YORK CITY.

ENVIRONMENTAL We make a conscious effort to improve New York City by minimizing our carbon footprint through emissions reductions, resource con- servation, and operational excellence.

SOCIAL Our partnerships extend beyond the confines of our offices and into the greater New York City community. We strive to be agents of goodwill through volunteerism and financial patronage.

GOVERNANCE SL Green conducts our business in accordance with the highest moral, legal, and ethical standards. Our reputation for integrity is the cornerstone of the public's trust in our company. SL GREEN REALTY CORP. 2019 SUSTAINABILITY REPORT 01

For over 20 years, the success of New York City and SL Green have gone hand in hand. Today, no organization is more committed to building an environmentally and socially sustainable legacy as New York emerges as a global leader in climate change, innovation, and human capital. SL GREEN REALTY CORP. 2019 SUSTAINABILITY REPORT 03

SL Green Realty Corp., an S&P 500 company and New York City’s largest office landlord, is a fully integrated real estate investment trust, or REIT, that is focused primarily on acquiring, managing, and maximizing value of Manhattan commercial properties. As of Sep- tember 30, 2019, SL Green held interests in 93 Manhattan buildings totaling 45.0 million square feet. This included ownership interests in 27.2 million square feet of Manhattan buildings and 17.8 million square feet securing debt and preferred equity investments.

TABLE 04 SLG by the Numbers 10 Environmental 24 Social 36 Governance 46 A Message From Our Team OF CONTENTS 05 CEO Letter 12 Green Buildings 26 Our People 38 Board Expertise

14 Supply Chain 28 Life at SL Green 40 Risk Management 48 About This Report 06 Key Achievements 16 Emissions Management 30 Volunteerism 42 Corporate Policies 08 Our Vision 18 Energy Management 31 Philanthropy 43 ESG Reporting

09 UN SDGs 20 Water 32 Tenant Engagement 44 Stakeholder Engagement

21 Waste 33 Building Health 45 Materiality Matrix

22 Sustainable Development 34 Living Green SL GREEN REALTY CORP. 2019 SUSTAINABILITY REPORT CEO LETTER KEY ACHIEVEMENTS ENVIRONMENTAL SOCIAL GOVERNANCE 05

tenets – resilience, operational excel- SL Green’s excellence day in and day out. SL Green A Word from lence, and value creation – we achieve The long-term sustainability of our by the Numbers Our Chairman unprecedented results while maintaining company is dependent on our people. purpose and integrity in everything we do. It is our priority to create a workplace and CEO environment that fosters a spirit of By focusing on ESG issues, we have innovation and encourages high per- effective risk-management practices formance. We empower our employees in place that influence strategic deci- to drive our workplace culture by sions at the highest levels. Last year, we implementing their valued feedback integrated our ESG platform throughout and recommendations across all levels all departments of the company and of the company. We are introducing leveraged these initiatives to grow our measurable corporate objectives for program. The result was industry-leading human capital aimed at attracting and $1.8 B 21 YRS 785.58% performance achieved across top ESG retaining top talent, and continuously Combined revenues Listed as a publicly Total return to rating frameworks, including Bloomberg, evaluate ways to make ourselves com- traded company shareholders since IPO Thomson Reuters, and CDP. These achieve- petitive in the hiring landscape. ments are a testament to SL Green’s commitment to transparent and Our impact extends beyond our physi- sound governance. cal footprint because the success of SL Green and New York City go hand in We are committed to differentiating hand. Volunteerism and philanthropy abstract objectives from tangible solu- are ingrained in SL Green’s ethos. We tions. At SL Green, we measure everything are committed to donating to charita- – being able to quantify our portfolio’s ble causes selected by our employees, environmental impact is essential in under- with a total of $2 million in donations standing how it correlates with our orga- contributed as an organization annually. nizational objectives and in our role as New As a homegrown company, it is mean- York City’s largest commercial owner. 25% 115 M 96.0% Marc Holliday ingful for our people to be able to enrich Chairman & CEO In 2019, City Council passed the Cli- the lives of thousands of New Yorkers Of Manhattan office Square feet of ownership Occupancy rate across mate Mobilization Act, which regulates and support causes that are aligned with inventory covered and investment of same-store Manhattan New York City building emissions. New our values. by SL Green’s market Manhattan commercial office properties York State followed suit with the passing penetration real estate historically SL Green has sustained its prominent As Chairman of the Board, I am commit- of the Climate Leadership & Community position in New York City real estate by ted to upholding our reputation as a Protection Act, which established the goal employing a pioneering business strategy sustainable, responsible, and ethical of converting the state's energy to re- supported by core values. We assembled organization. I am proud of the progress newable resources. In tandem, these new a portfolio that creates long-term value we have made as a responsible corporate environmental laws present the most and is responsive to dynamic market citizen and will continue to be an advocate comprehensive framework with the ob- conditions. The transformative evolution of sustained ESG management. of SL Green since our initial public offer- jective of positioning New York as a ing two decades ago has been momen- leader in urban sustainability. tous, as every aspect of the company has With our longstanding focus on opera- grown in sophistication, efficiency, and tional excellence, we are well positioned adaptability. Corporate Social Responsi- to meet the challenges associated with 306 729 45 M bility is no exception, and the principles this emerging legislation. SL Green is of Environmental, Social, and Governance represented at the highest levels of Corporate employees Building personnel SL Green holds interests in Marc Holliday (ESG) are integral to our success. industry, City, and State organizations 93 buildings across 45 million Chairman & CEO square feet The growing importance of socially responsible for developing the blueprint responsible investing means that ESG of New York’s environmental future. This performance is inextricably linked with involvement ensures that the City and financial performance. At SL Green, the the State’s environmental goals are bal- imperative to deliver value to share- anced with technical feasibility and holders has always been at the forefront economic rationality. of how we conduct our business. And What makes me most proud is the team because of our commitment to our core we have assembled, which maintains SL GREEN REALTY CORP. 2019 SUSTAINABILITY REPORT CEO LETTER KEY ACHIEVEMENTS ENVIRONMENTAL SOCIAL GOVERNANCE 07 KEY ACHIEVEMENTS

S&P 500 AND S&P GLOBAL 90TH OUT- TOP 3 GREAT 1200 ESG No. 1 PERCENTILE PERFORMER RANKING PLACE TO WORK® Included on the S&P 500 Scoring Office REIT for ESG On Thomson Reuter’s On the Sustainalytics ESG Rating, In MSCI’s Environmental Category Certified in recognition of a healthy, and S&P Global 1200 ESG Indexes Disclosures on Bloomberg World Index ESG Score as 38th of 328 Global Companies (Opportunities in Green Buildings) productive work culture for all employees

GRESB PARTNER OF “A” SUSTAINED CHANGEMAKER LEED GREEN STAR THE YEAR RATING EXCELLENCE AWARD CERTIFIED Achieved GRESB Green Star ENERGY STAR Partner of the Year On GRESB’s Public ENERGY STAR Partner of the Year – Recipient of NYC Office of 22 LEED certified properties designation as a first-time responder (2015, 2016, 2018, 2019) Disclosure Report Sustained Excellence (2018, 2019) Service Changemaker Award

ENERGY INDUSTRY STAR 16 M LEADING BENEFITS >$2 M 45,000 24 HRS 24 ENERGY STAR labels (2018) Square feet enrolled in the WELL According to the NAREIT 2018 In philanthropic gifts to local Visits to SL Green's amenity spaces Of training per SL Green employee annually Portfolio Program Compensation Survey nonprofits annually called Living Green SL GREEN REALTY CORP. 2019 SUSTAINABILITY REPORT CEO LETTER KEY ACHIEVEMENTS ENVIRONMENTAL SOCIAL GOVERNANCE 09

OUR VISION SL GREEN IS COMMITTED TO ENVIRONMENTAL, SOCIAL, AND GOVERNANCE SL Green’s Alignment with UN INITIATIVES THAT DELIVER Sustainable Development Goals (UN SDGs) VALUE AND HEALTH We strive to be a model corporate citizen, and our alignment with the UN SDGs reflects our commitment to a sustainable future. The UN SDGs are actionable targets designed to help FOR OUR STAKEHOLDERS. our planet achieve an environmentally and socially sustainable future. These goals address the most pervasive global challenges, including poverty, education, and climate. These global issues STRUCTURED AROUND have a local context, and we are committed to doing our part in addressing each applicable SDG in the communities where we operate. Alignment of SL Green’s ESG program with the UN SDGs can be found throughout this report and on the 2019 THREE KEY AREAS, GRI Content Index available on our website at EFFICIENCY, TENANT sustainability.slgreen.com. EXPERIENCE, AND INDUSTRY LEADERSHIP, OUR MARKET-LEADING PROGRAM CONTINUES TO MINIMIZE ENVIRONMENTAL IMPACT AND INCREASE RESILIENCY. SL GREEN REALTY CORP. 2019 SUSTAINABILITY REPORT CEO LETTER KEY ACHIEVEMENTS ENVIRONMENTAL SOCIAL GOVERNANCE 011

ENVIRONMENTAL We are leading the charge for a sustainable New York by developing standardized operating procedures, completing energy efficiency projects, and implementing cutting-edge technologies to optimize peak performance. As New York City’s largest landlord, we remain committed to creating the most sustainable footprint to reduce resource consumption and mitigate environmental impacts. Our unrelenting focus on environmental stewardship for over two decades has advanced the quality of our portfolio, benefiting our partners, tenants, and the greater community.

UN SDG Alignment Our environmental sustainability program prioritizes the efficient use of resources, including energy, water, and virgin materials. We are doing our part in creating a more resilient, sustainable city through innovations in the built environment. SL GREEN REALTY CORP. 2019 SUSTAINABILITY REPORT CEO LETTER KEY ACHIEVEMENTS ENVIRONMENTAL SOCIAL GOVERNANCE 013

SL Green is part of the 1% of 16,000 EPA Partners to achieve ENERGY STAR “Partner of the Year.” For two consecu- tive years, we were awarded “Sustained 26 Excellence,” which only a select group 2 of “Partners” earn, distinguishing 1% SL Green as a leader. 6

3 12 19 20 25 10 4 11 29

8 27 14 SL GREEN 7 31 5 CURRENTLY HOLDS 22 13 32 24 21 23 BOMA 360 23 GREEN BUILDING 15 DESIGNATIONS DESIGNATIONS 28 16 BUILDINGS 30 ENERGY BOMA LEED STAR 360 1 10 East 53rd St Silver ✓ 9 2 100 Church St ✓ Gold ✓ 3 100 Park Ave ✓ Gold ✓ 1 4 11 Madison Ave ✓ Gold ✓ 5 110 East 42nd St Silver ✓ 6 110 Greene St ✓ Gold ✓ 17 7 1185 AoA Silver ✓ 8 125 Park Ave ✓ Gold ✓ WE OWN 17M WE REPRESENT 9 1350 AoA ✓ Gold ✓ 10 1515 Broadway Ave ✓ Gold ✓

(1) 11 220 East 42nd St ✓ Gold ✓ SQ FEET OF LEED 9% OF ALL ENERGY 12 304 Park Ave South ✓ Gold ✓ 18 13 420 Lexington Ave ✓ Gold ✓ CERTIFIED SPACE STAR LABELS 14 461 Fifth Ave ✓ Gold ✓ 15 485 Lexington Ave ✓ Gold ✓ 16 521 Fifth Ave ✓ Gold ✓ 17 555 West 57th ✓ LEED ENERGY STAR BOMA 360

REPORTED MANHATTAN REPORTED MANHATTAN PROPERTIES OPERATING LEED (Leadership in Energy and Environ- 18 625 Madison Ave ✓ ✓ ENERGY STAR is a measurement and ver- BOMA’s (Building Owners and Managers mental Design) is among the most esteemed ification tool administered by the U.S. Association) 360 Program holistically 19 635 AoA ✓ Silver ✓ and pervasive green building certification Environmental Protection Agency (EPA) that evaluates all major areas of building facility 20 641 AoA ✓ ✓ programs in the world. Developed by the U.S. promotes energy efficiency across build- management, including operations, safety, 21 711 Third Ave ✓ Gold ✓ Green Building Council in 1993, this desig- ings nationwide. ENERGY STAR scores are training, energy, sustainability, and tenant 22 750 Third Ave ✓ Gold ✓ nation demonstrates a building owner’s a reflection of how efficiently buildings are relations. As part of this program, buildings 23 810 Seventh Ave Silver ✓ commitment to sustainable operations and operated. These scores help us motivate undergo a rigorous assessment, and fewer 24 919 Third Ave Gold ✓ resource efficiency. SL Green was among our building operators, property managers, than 50 buildings in NYC achieve this des- 25 1 Madison Ave Pending Redevelopment the first owners in the nation to adopt the and tenants to pursue capital efficiency ignation. GRESB (Global Real Estate Sustain- 26 1 Vanderbilt Pending Development LEED standard at 100 Park Avenue in 2009. projects and implement change. In 2018, we ability Benchmark) recognizes the BOMA 27 2 Herald Square Our current portfolio boasts an impressive achieved ENERGY STAR labels across 13 million 360 building designation as a trusted 28 280 Park Ave Gold ✓ 17 million square feet of LEED certified square feet of our portfolio. In Manhattan assessor of sustainability and governance space, representing 85% of our reporting alone, we represent 9% of all ENERGY STAR best practices. SL Green currently holds 23 29 30 East 40th St properties (see page 48 for a complete labels. In recognition of our operational BOMA 360 designations, accounting for 30 800 Third Ave list of reporting properties). excellence, SL Green received the prestigious 48% of the total achieved in NYC. ✓ ✓ 31 Worldwide Plaza Gold “Partner of the Year—Sustained Excellence” 32 Tower 46 ✓ Certified

NON-REPORTED NON-REPORTED MANHATTAN OPERATING PROPERTIES award in both 2018 and 2019. (1) See page 48 for a complete list of reporting properties. SL GREEN REALTY CORP. 2019 SUSTAINABILITY REPORT CEO LETTER KEY ACHIEVEMENTS ENVIRONMENTAL SOCIAL GOVERNANCE 015

SUPPLY CHAIN VENDOR CODE SL Green’s operations are supported by an extensive supply Beyond environmental impact, we prioritize social responsi- chain that sources materials and services for our business and bility to identify risks throughout our supply chain, including OF CONDUCT tenants. Integral to our bidding and contracting processes, working conditions, child or forced labor, and fair wages. we strategically evaluate our suppliers to ensure they are held We expect our vendors and contractors to maintain and We are committed to selecting and working with suppliers that accountable for upholding our standards for environmental enforce high standards on human rights and labor practices maintain transparency and comply with all applicable federal, performance. Our facility managers work closely with tenants, surrounding health, safety, and business ethics. state, and municipal standards and regulations regarding vendors, and contractors to achieve our supply chain goals environmental and social issues. Our contracts require vendors to meet and exceed regulatory compliance, and we enforce our of sourcing LEED-compliant, recycled, responsibly-sourced, and TOP 5 SPEND nontoxic materials. standards through ongoing engagement and monitoring. Procurement of Materials We are focused on the health and safety of all building In instances of noncompliance, SL Green works with vendors occupants – this means minimizing any potential exposure to and Services to formulate corrective action plans and vendors are reevalu- hazardous chemical, biological, and particulate contaminants ated for continued use in the portfolio. We reserve the right to that could adversely impact indoor air quality and environmental terminate or suspend any agreements and relationships with Construction Materials conditions. Our procurement policy is guided by external stan- vendors that are unable to comply with our expectations for environmental and social performance, or that demonstrate dards, including FSC (Forest Stewardship Council), ENERGY Construction Services STAR, and Green Seal, and our vendors are expected to actively disregard for our corporate policies. reduce their environmental impact. Energy

Janitorial Services 45% of SL Green’s suppliers are engaged on climate-related issues and our corporate Security Services sustainability goals.

Our goal is to have 50% of the materials that are supplied by our vendors covered by external certification to ensure responsible sourcing practices. SL GREEN REALTY CORP. 2019 SUSTAINABILITY REPORT CEO LETTER KEY ACHIEVEMENTS ENVIRONMENTAL SOCIAL GOVERNANCE 017

Tenant Engagement Strategy CARBON REDUCTION TARGETS Best Practices IN NEW YORK CITY, NYC Mayor’s EMISSIONS Data Sharing Carbon Challenge Education Energy Audits 67% OF GREENHOUSE SL Green voluntarily participates Tenant Build-Out Guidelines in the New York City Mayor’s Carbon Utility Incentives Challenge. We identified a selection MANAGEMENT of properties across 8 million square Result in Scope 3 Emission Reductions GASES ARE EMITTED feet and have committed to a 30% reduction in Scope 1 and Scope 2 greenhouse gas emissions intensity EMISSION SOURCES FROM BUILDINGS over a 10-year period. The Bigger Picture SL Green recognizes climate change as a significant envi- ronmental challenge to the continued economic vibrancy of New York City. The IPCC (Intergovernmental Panel on Climate USING NATURAL GAS, CDP - Carbon Change) suggests that in order to slow rising global tempera- Disclosure Project tures, greenhouse gas emissions must be reduced. In response, New York City has committed to reduce greenhouse gas ELECTRICITY, FUEL OIL, We voluntarily participate in CDP emissions 80% by 2050, with an interim reduction of 40% SPACE HEATING DOMESTIC WATER SPACE COOLING FUEL OIL, NATURAL GAS, NATURAL GAS ELECTRIC, STEAM (formerly known as the Carbon Disclosure by 2030. STEAM | SCOPE 1&2 SCOPE 1 SCOPE 2&3 Project), an annual investor survey on AND STEAM. climate change, which evaluates company As the largest commercial office owner in performance and risk management New York City, SL Green is committed to strategies. To demonstrate our com- reducing greenhouse gas emissions across mitment to emissions management, our portfolio. we established a portfolio-wide green- house gas intensity reduction goal Real estate assets generate both direct and indirect greenhouse FANS PUMPS PLUG LOADS of 30% by 2025 for Scope 1, Scope 2, ELECTRIC | SCOPE 2&3 ELECTRIC | SCOPE 2&3 ELECTRIC | SCOPE 3 gas emissions through base building operations. Direct emis- and Scope 3 emissions. sions (Scope 1) are generated onsite from fossil fuels used for heating and hot water. Indirect emissions (Scope 2) are generated offsite from steam and electricity supplied by local utilities. In addition to emissions generated to support base building operations, tenant energy consumption (Scope 3) contributes to the overall carbon footprint of a building. LIGHTING ELEVATORS COMPUTERS ELECTRIC | SCOPE 3 ELECTRIC | SCOPE 2 ELECTRIC | SCOPE 3 SL Green reduces Scope 1 and Scope 2 greenhouse gas emis- sions by optimizing building operations, implementing intensive energy management, and deploying capital investment in SCOPE 1 Direct Emissions 10,346 tCO e FUEL OIL 8,787 MMBTU state-of-the-art equipment. But our emission reduction strategy 2 (Includes 3,521 Tons from Refrigerants) 30%Reduction in SL Green’s goes beyond those under our direct control­ — we equip NATURAL GAS 119,090 MMBTU SCOPE 2 Indirect Emissions 94,323 tCO e greenhouse gas emissions our tenants with tools to achieve Scope 3 energy reductions 2 STEAM 727,046 MMBTU SCOPE 3 Tenant Emissions 49,616 tCO e intensity by 2025 within their spaces. 2 ELECTRIC 161,313 MWh

SEP 2014 Mayor de Blasio commits New OCT 2016 SL Green commits to 30% OCT 2030 New York City’s Climate Mobiliza- 2050 New York City’s CMA sets an 80% Emissions York City to 80% reduction in greenhouse gas reduction in greenhouse gas emissions as tion Act (CMA) sets a 40% reduction target reduction target for citywide emissions, emissions by 2050, with a 2005 baseline. a voluntary participant in the New York for citywide emissions, and New York State’s and New York State’s CLCPA sets an 80% Reduction Timeline City Mayor’s Carbon Challenge. Climate Leadership and Community Pro- reduction target for statewide emissions JUL 2015 Governor Cuomo sets 80% tection Act (CLCPA) sets a 40% reduction by 2050. greenhouse gas reduction target for New AUG 2018 SL Green expands emissions York State by 2050, with a 1990 baseline. reduction target across entire portfolio. target for statewide emissions by 2030. SL GREEN REALTY CORP. 2019 SUSTAINABILITY REPORT CEO LETTER KEY ACHIEVEMENTS ENVIRONMENTAL SOCIAL GOVERNANCE 019

ENERGY OPTIMIZATION DAY-TO-DAY Energy Management Tools ACHIEVING THE SLG CLASS “A” BMS (Building Management System) All SL Green office properties are equipped with automated building systems STANDARD that centralize the direct digital control of building systems and monitor space conditions with single-pane viewing. THROUGH CAPITAL OPERATION Real-Time Energy Management Platform We installed Environmental challenges can be managed iES EnergyDesk in 20 million square feet of our operating IMPROVEMENTS by deploying innovative technology. At SL Green, properties. This software solution empowers our Engineering we are laser focused on exploring commercially Team to respond to building conditions in real time by Operational efficiency is a core strategy for our available solutions to optimize our day-to-day detecting irregularities, tracking occupancy, and monitoring energy management program — it is cost-efficient, energy use in 15-minute intervals. energy management program. Over the past scalable portfolio-wide, and can be rapidly decade, we have incorporated portfolio-wide Load Based Optimization System (LOBOS) We deployed deployed. This best-in-class operation is enabled programs and technologies that set the baseline LOBOS at select properties to maximize efficiency and by our long-term investments in building infra- for efficient building operations. improve tenant comfort. This is an intelligent optimization tool structure. Capital improvements increase a prop- used for large-scale air conditioning systems that automatically erty’s overall value, reduce operating costs, adjusts setpoints to optimal levels. and modernize our base building systems. SL Green Chief Operating Officer, Edward V. Piccinich (right), accepting the Energy Efficiency Leader Award from Trane President An ice plant is a high efficiency cooling system that stores of Commercial HVAC, Donald Simmons (left). ice to generate chilled water for air conditioning. The ice is produced overnight during off-peak hours when the electric We executed the installation ahead of schedule, which quali- REDUCING PEAK DEMAND grid generates the fewest emissions, avoiding the demand for fied us for $2.4 million in Con Ed incentives. carbon-intensive power plants. Demand Response Action Plan On the heels of our success at 11 Madison, we deployed the We partnered with Trane to install the most efficient chiller Trane ice plant earlier this year at 220 East 42nd Street, The cornerstone of our energy management platform is on the market at 11 Madison Avenue, reducing utility costs securing $2.8 million in additional Con Ed incentives. This project demand response – an event triggered by either our electric CON ED / NYISO and carbon emissions. The installation is projected to save will generate nearly $11 million in utility savings and reduce utility Con Edison (Con Ed) or the grid operator NYISO (New ALERT over $14 million in utility bills and reduce the building’s carbon the building’s carbon footprint by 766,000 pounds of CO2 over a 20-year period. York Independent System Operator) – which calls for a volun- footprint by 1.4 million pounds of CO2 over a 20-year period. tary reduction in electric consumption. When there is a threat to grid reliability, SL Green curtails electric consumption to do our part in ensuring a stable energy system in New York City.

The process begins when Con Ed or NYISO sends a curtailment notice to iES, who passes the signal through EnergyDesk to ENERGY AUDITS / CHILLER STEAM STATION our Engineering and Property Management Teams. PROPERTY IES ENGINEERING RETROCOMMIS- REPLACEMENT INSULATION The Engineering Team at each property activates the property- MANAGEMENT ENERGYDESK™ TEAM • Upgrading to high efficiency electric chillers • Insulation of steam stations and pipes specific response protocol, which includes powering down SIONING drives opportunities for operational savings improve efficiency by minimizing heat nonessential equipment, turning off ancillary lighting, reduc- • ASHRAE Level II Energy Audits identify and emissions reduction. loss in distribution systems. ing elevator operations, and adjusting temperature setpoints energy efficiency opportunities. • New chillers utilize environmentally • Preventing excessive heat loss in the without jeopardizing tenant comfort. In tandem, the Property • Retro-commissioning ensures building preferred refrigerants (R-134a and HCFC- mechanical room improves safety and Management Team notifies tenants of the changes in build- systems perform up to specifications. 123) consistent with LEED standards. working conditions for engineering staff. ing operation and encourages their participation to reduce energy usage. NOTIFY ADJUST BUILDING TENANTS OPERATIONS STEAM TURBINE VARIABLE FREQUENCY LED LIGHTING CONTROLS DRIVES (VFDs) • LED lighting in base building areas is standard at SL Green due to increased In 2018, SL Green committed to curtail over • Using steam turbines in the summer allows • VFDs allow fans and pumps to run at lower efficiency and durability over traditional 10MW of electric load through the NYISO SL Green to provide space cooling at a lower speeds, decreasing energy use and required incandescent lighting. demand response program, generating cost and lower environmental footprint. maintenance. $630K in curtailment revenue. • Modern steam turbine controls improve load management, which saves energy and maximizes occupant comfort. SL GREEN REALTY CORP. 2019 SUSTAINABILITY REPORT CEO LETTER KEY ACHIEVEMENTS ENVIRONMENTAL SOCIAL GOVERNANCE 021

Material Selection SL Green partners SL Green manages waste and recycling operations across 21 million with qualified vendors and collaborates square feet, and has developed a coordinated logistics plan as part with tenants to reduce the demand on of our standard operating procedures. We partner with our tenants, virgin resources and reuse durable employees, union stakeholders, and vendors to reduce the amount materials during construction. At One of waste that is sent to landfills. In one year alone, we increased our Vanderbilt, steel rebar used throughout recycling rate by nearly 2%, moving closer to our corporate goal the building comprises 90% recycled content, and the concrete mix is com- of a 50% recycling rate by 2025, which is in alignment with the LEED posed of recycled byproducts including v4 threshold. slag and fly ash.

Operational Strategies SL Green Ongoing Education In collaboration Organics Recycling Approximately implemented a color-coordinated with SEIU Local 32BJ, over 500 of 35% of New York City’s waste stream recycling system to streamline proce- SL Green’s janitorial staff are trained is composed of organics, including dures and improve source separation. on proper waste collection procedures food waste and compostable products, We have equipped our janitorial staff on an annual basis. All presentations are which can be diverted from landfills. To with double-barrel waste bins to translated into a variety of languages address this waste reduction opportu- ensure that waste streams remain sepa- to ensure the material is accessible for nity, we piloted a composting program rated, from initial pick-up in tenant all employees. at our corporate headquarters and spaces to drop-off at the loading dock. diverted over 2,000 pounds of organics Monthly Tracking SL Green requests All waste storage areas in the loading in a 6-month period. Leak Detection SL Green’s engineers that is indigenous to New York because monthly waste reports from our haulers dock, freight elevator landings, and back- Water scarcity is a key environ- are responsible for visually inspecting native plants are adapted to local envi- to monitor and measure the effective- Electronic Waste In accordance with of-house areas are distinguished with mental issue, and SL Green water systems throughout our buildings ronmental conditions, require less water, ness of our recycling procedures. This New York State’s Electronic Equipment signage that illustrates the correct is leading by example through to ensure they are operating under and promote regional biodiversity. data is benchmarked in ENERGY STAR’s Recycling and Reuse Act of 2010, hauling procedures. our responsible water manage- optimal conditions. We also deploy auto- Portfolio Manager WasteTracker tool. SL Green implemented procedures to matic sensors on our steam traps to Tenant Engagement SL Green’s Sus- properly dispose electronic waste, ment program. Our strategy Waste Audits In partnership notify our engineers of potential water tainability Team offers annual recycling including computers, keyboards, and bat- includes installing low-flow fix- with our environmental consultant, loss. This proactive approach prevents trainings to over 100,000 individuals who teries. We recycled over 5,000 pounds tures, encouraging responsible Sustainable Investment Group (SIG), future leaks and wasted water. CAPTURED work in buildings across our portfolio. of electronic waste in 2018 through our resource management among SL Green’s waste stream is audited We offer recycling walkthroughs where complimentary program offered to building operators and tenants, Daily Monitoring Engineers review annually to identify sources of conta- we help tenants identity ways to im- tenants, preventing hazardous material and monitoring consumption water logs daily to compare trends and mination and areas to improve recycling identify consumption irregularities. RAINWATER prove recycling rates. We also distribute from contaminating the waste stream. data across 100% of our owned rates. These results are then pre- This protocol ensures that our engineers The most efficient water-saving technologies educational material and sample signage and managed portfolio. sented to Property Management and are responding to fluctuations in will be deployed at SL Green’s ground-up to help support tenant implementation of development, One Vanderbilt. This includes a tenants to create customized corrective system operations. SL Green’s recycling program. water reclamation system, where rainwater action plans. Low-Flow Fixtures Our team capi- will be collected, stored, and reused for our cooling towers. This reduces our demand Fixture upgrades decreased talizes on every opportunity to retrofit our water consumption by for fresh surface water or groundwater, and existing toilets, urinals, faucets, and is projected to save over 1 million gallons 30% across the LEED certified showers with low-flow fixtures. The of water per year. buildings in our Manhattan specifications are aligned with the portfolio, equivalent to saving LEED v4 standard of performing 20% 29 million gallons of water better than code requirements. per year. Water Tracking SL Green tracks AUTOMATED water consumption data through ENERGY STAR’s benchmarking tool, Portfolio Manager. This data is disclosed to New METERING York City’s Department of Buildings The next evolution of SL Green’s (DOB) to fulfill the annual reporting water-management strategy is monitoring requirements outlined under Local consumption in real time. We implemented Law 84 of 2009. this technology at 555 West 57th Street and 110 East 42nd Street, and plan to deploy Landscaping At SL Green, we incor- this across five additional properties by the porate biophilic design into the built first quarter of 2020. environment. We prioritize landscaping SL GREEN REALTY CORP. 2019 SUSTAINABILITY REPORT CEO LETTER KEY ACHIEVEMENTS ENVIRONMENTAL SOCIAL GOVERNANCE 023

Sustainable BIODIVERSITY GARDEN FLOORS The vision for One Vanderbilt is to optimize building per- More than 1 acre of outdoor formance, integrate the public and private realm, revitalize Development Utilization of indigenous spaces that mitigate heat ONE Midtown, and provide an unsurpassed urban experience. plant species to benefit local island effect and regulate For over two decades, SL Green’s core business biodiversity. stormwater runoff. One Vanderbilt is the first in a series of development oppor- strategy has been to reposition New York City assets tunities that will create office, retail, and experiential spaces and infuse them with smart design and modern COMMUNITY VANDERBILT that exemplify sustainable design. infrastructure. We thoughtfully integrate sustainability CONSERVE features that reduce long-term operating costs and IMPACT adapt to the evolving market demands. We supplement Engaged government officials, our stabilized portfolio with a development pipeline ENERGY community members, and local that sets the standard for sustainable new construction. High efficiency mechanical sys- businesses on development tems to conserve energy and plans to ensure positive com- New development allows us to leverage innovative perform at the highest standard. munity impacts are maximized. 1.2 MEGAWATT ENHANCED design and technological solutions that are more readily Cogeneration system LEED & WELL available with new construction than existing buildings. generates electricity on site, Highest levels of LEED and COMMISSIONING capturing and reusing waste WELL certifications. Of all major building systems WELLNESS & heat in the process. EFFICIENCY and building envelope. High performance curtain PRODUCTIVITY wall that optimizes heating Biophilic design elements and cooling efficiency. 90% RECYCLED 75% RECYCLING RATE that enhance occupant wellness $220 MILLION Achieved during project demo- Invested in public realm Steel rebar used for construc- and productivity. lition and construction. improvements. tion is made of 90% recycled content. PROXIMITY TO COLUMN-FREE NATURE FLOOR PLATES GREEN LEASE TENANT GUIDELINES Exceed both the LEED v3 and $17 MILLION Direct access to Madison Maximize daylighting entering Clause that stipulates tenant Invested in sustainability fea- LEED v4 baselines. Square Park. tenant spaces in new tower. and landlord alignment with LEED. tures that go above and beyond code requirements.

TRANSPORTATION LOWEST CARBON 90,000 GALLON Unparalleled proximity 100 40% WATER to public transportation. Achieved the highest possible Rainwater and collection treat- Walk Score® of 100. FOOTPRINT ment system that will reduce the USE REDUCTION demand for cooling tower water One of the lowest carbon Through ultra-high efficiency by 1 million gallons per year. footprints across buildings of water fixtures. URBAN INFILL SUSTAINABILITY similar density and scale in NYC. Construction that avoids sprawl PERFORMANCE and green field development. REDUCED LIGHTING OPTIMIZED ENERGY Environmental goals GLAZING Power density and occupancy integrated throughout design, High performance glazing that sensors throughout base PERFORMANCE construction, and planning regulates insulation for heating building areas. Building design optimizes energy decision-making. and cooling. performance 26% below an ASHRAE 90.1-2007 baseline. GREEN MWBEs OPERATIONS 18% of contractors onsite are Operational policies including Minority and Women-owned green cleaning, water efficiency, One Madison presents a unique redevelopment opportunity Business Enterprises (MWBEs). and waste. to transform a historical asset into a modern icon with ONE premier sustainability features. This marquee building offers an unparalleled combination of a thriving neighborhood, best-in-class amenities, and access to green spaces and MADISON public transportation. SL GREEN REALTY CORP. 2019 SUSTAINABILITY REPORT CEO LETTER KEY ACHIEVEMENTS ENVIRONMENTAL SOCIAL GOVERNANCE 025

UN SDG Alignment We are dedicated to the communities we invest in. By SOCIAL partnering with the individuals that work in our buildings on community service events, donation drives, and fundraising, Our Social vision is enhancing the health and resiliency of our we are able to expand our reach and the collective impact of employees, tenants, and the community. At the forefront of our our efforts. From donating over 1,500 pounds of food to plans is creating a work culture that prioritizes productivity and City Harvest to collecting $21,000 worth of sporting equip- wellness through training, diversity, education, and volunteerism. ment for New York public school students, to donating over Our people are unified through a shared sense of purpose, as $2 million annually to philanthropic organizations, acting as we empower our employees with the time and resources to a positive corporate citizen is integral to our mission. contribute significantly to a greater New York. SL GREEN REALTY CORP. 2019 SUSTAINABILITY REPORT CEO LETTER KEY ACHIEVEMENTS ENVIRONMENTAL SOCIAL GOVERNANCE 027

Employee Health & Benefits MENTAL HEALTH Tenure of Current Employees YEARS ALL CORPORATE PERSONNEL BUILDING PERSONNEL At SL Green, we recognize that our employees are at the heart of our business success. We have assembled a talented and HAPPIFY 0-4 397 37% 156 50% 241 32% diverse team of professionals who exemplify the spirit of our Web application that guides SPRING 5-9 224 21% 54 17% 170 22% organization. We are committed to enhancing the health and employees to live a happy, less 10-19 379 36% 78 25% 301 40% stressful, and more fulfilling life well-being of our employees with an extensive benefits program 20+ 65 6% 23 8% 42 6% using science-based methods. tailored to meet everyone’s needs. We achieve this by actively HEALTH Total 1065 100% 311 100% 754 100% seeking feedback from our employees and keeping our finger Program focused on employee on the pulse of workplace trends to attract and retain the mental health, which offers best talent in New York City. resources including providers, IPREVAIL Employee Tenure OSHA (Occupational Safety and Health Administration) One-on-one peer counseling online screening, treatment To safeguard the health and welfare of our employees, and therapy. matching, and care navigation. SL Green boasts a long-tenured staff with 63% of current corporate and building employees remaining on board for SL Green provides mandatory OSHA training that includes five years or more. parameters for life, fire, electrical, and scaffold safety.

FINANCIAL PARENTAL BENEFITS HEALTH AND WELLNESS Employee Engagement • Financial Planning and Counseling • Paid Parental Leave • Medical, Dental, and Vision Coverage SL Green conducts annual employee engagement surveys • 401(k) and Employer Match • Advanced Fertility Treatment Coverage • Health Savings Account to gauge overall satisfaction with a focus on management TM communication, opportunities for growth, and company 90% 100% 94% • Employee Stock Purchase Program • Healthy Babies, Healthy Pregnancies • Life and AD&D Insurance image. This past year, our team invited employees to participate • 529 Plan Prenatal Education Program • Short-Term and Long-Term Disability Insurance Employees proud to Employees Employees have in an external survey to evaluate workplace culture in compari- work for SL Green confident SL Green a strong working • Tuition Reimbursement • Lactation Consultation and Supply Coverage • Healthcare Flexible Spending Account operates in a relationship • Dependent Care Flexible Spending son to companies nationwide. We are proud to announce that • Prepaid Legal Coverage • Critical Illness Coverage socially responsible with their direct Account SL Green is Great Place to Work® Certified. • Cross-Functional Certification through • Accident Insurance manner supervisor New York University and Columbia University • Benefits Concierge WORK / LIFE BALANCE Performance Management • Employee Referral Bonus • Subsidized Gym Membership We have a dual-track performance management program, • Employee Assistance Program • Commuter Benefits • ThrivePassTM Wellness Rewards Platform which includes both ongoing Goal-Setting and annual Perfor- SOCIAL SPOTLIGHT • Industry-Leading Paid Time Off • Consumer Product Purchasing • Weight Watchers At Work Program mance Reviews for all employees. • Paid Holidays Nontraditional Employment • Cell Phone Reimbursement • Biometric Screenings • Summer Fridays Succession Planning • Retail Discounts and Subsidies • Flu Shot Clinics for Women (NEW) • Pet Insurance SL Green futureproofs against the uncertainty of an ever- changing workforce by conducting succession planning. We identify high-potential employees and prepare them for key roles within the organization.

Employee Training Diversity & Inclusion Anti-Harassment All SL Green employees are required to complete an online anti-harassment training course each year. SL Green is dedicated to creating a diverse workplace in which Our goal is to create a safe workplace environment where OUR employees feel valued and accepted. We foster an environ- employees feel comfortable and secure. We have a zero toler- ment that rewards the hard work and effort of all employees ance policy for harassment of all types, and are committed regardless of race, color, religion, national origin, gender, to preventing incidents of noncompliance. sexual orientation, age, disability, or veteran status. Cybersecurity SL Green is committed to Cybersecurity PEOPLE Training Programs and frequent employee communication Memesha Davis, a NEW graduate and Local providing helpful user tips. Protection against cyber threats 40 ironworker onsite at One Vanderbilt. remains a high priority for our organization. We also engage SL Green partners with NEW, an organization that prepares with a third-party company to assess our defenses through CORPORATE PERSONNEL GENDER AGE and trains women to pursue careers in construction trades recurring penetration testing. Male Female Less than 30 – 50 More than including plumbers, electricians, and carpenters. The goal is 30 years old years old 50 years old 50% Cross-Training In order to ensure that our employees to help women achieve economic independence and a secure are given the necessary tools to do their best work, SL Green future for themselves and their families. SL Green is a proud Total number of employees 161 145 72 154 80 of SLG's corpo- rate and building Permanent 161 145 72 154 80 provides cross-training opportunities to learn about new supporter of this organization by donating over $100,000 personnel are Temporary 0 0 0 0 0 roles and develop valuable skills. Providing our employees with and hiring 12 NEW graduates as employees at our ground- represented by Full-time 161 144 71 154 80 a multifunctional transfer of knowledge allows our workforce up development, One Vanderbilt. racial minorities. Part-time 0 1 1 0 0 to be more agile in a rapidly developing industry. SL GREEN REALTY CORP. 2019 SUSTAINABILITY REPORT CEO LETTER KEY ACHIEVEMENTS ENVIRONMENTAL SOCIAL GOVERNANCE 029

WELLNESS MONTH “I APPRECIATE THAT I WORK FOR A COMPANY LIFE AT THAT FOCUSES ON THE HEALTH AND WELLNESS OF ITS EMPLOYEES. IT MAKES ME FEEL VALUED SL GREEN AND EXCITED TO COME Cultivating a strong company culture is key to ensuring employees know the value of their work and how it fits TO WORK EVERY DAY.” into our larger mission. Ariel Buckmire SL Green Finance Department

Events SOFTBALL LEAGUE We host company-sponsored social events and activities to reinforce the “SL GREEN’S SUMMER fundamental attributes of our corporate character including commu- nication, teamwork, trust, and collaboration. In recent years, we collected SOFTBALL LEAGUE feedback from employees and introduced new programs including an annual Wellness Month, SL Green Softball Team, and paid Volunteer Day HAS ALLOWED ME TO for all employees. CREATE BONDS WITH

LIST OF EVENTS MY COLLEAGUES IN

Annual Summer Outing WAYS THAT ARE NOT

Annual Town Hall POSSIBLE INSIDE AN

Earth Week OFFICE SETTING. OUR

Glenn Markman Foundation 3-on-3 Basketball GAMES ARE SOMETHING

Hoopfest at Madison Square Garden I LOOK FORWARD TO

Juvenile Diabetes Research Fund Real Estate Games EVERY WEEK!” Marc Mancini SL Green Softball Team SL Green Construction Team Susan G. Komen Race for a Cure

Wellness Month SL GREEN REALTY CORP. 2019 SUSTAINABILITY REPORT CEO LETTER KEY ACHIEVEMENTS ENVIRONMENTAL SOCIAL GOVERNANCE 031

Paid Volunteer Day Madison Square Park Conservancy SL Green provides donated office space to nonprofit orga- VOLUNTEERISM We empower our employees to volunteer their time at PHILANTHROPY nizations to lower overhead costs and promote innovative organizations that align with their personal values: At SL Green, we are only as strong as the com- Endowed with the time and resources to contrib- solutions in the social sector. munities in which we operate. The importance of ute significantly to the New York City community, Animal Haven Pet Shelter Leukemia & Lymphoma Stair Climb community engagement is twofold — it strengthens inspiring altruism among our employees is a SL Green opened our doors to hundreds of volunteers to local resiliency and provides social growth Brooklyn Animal Rescue Coalition priority for SL Green. We contributed $2 million in climb 53 flights of stairs to the top of 1515 Broadway for The opportunities for our employees outside of the philanthropy and launched a charitable contribu- Leukemia & Lymphoma Society’s Big Climb fundraising event. Citymeals on Wheels office. Our employees, assets, and business tion match program as a benefit for our employees. Our team raised $1,300 to fund blood cancer research and deliver the best results when they are integrated Community Help in Park Slope, Inc. SL Green supports a variety of causes, including support services for patients. into the community and contribute positively to those aligned with the UN Sustainable Development a greater societal purpose. Encore Community Services Goals of promoting education and eliminating JDRF SL Green participated in the Juvenile Diabetes Research poverty and hunger. Food Bank for New York City Fund’s (JDRF) Real Estate Games. JDRF is the leading global Park Cleanup Every year SL Green employees celebrate organization funding type 1 diabetes research, and SL Green Earth Day by cleaning up our backyard in New York City parks. Habitat for Humanity fundraised $5,000 for this cause. Together with the Mayor’s Office and our tenants, we pick up NY/NJ Trail Conference Affordable Housing litter, repaint infrastructure, and replant flowers and trees. At SL Green’s ground-up residential development, 185 Broad- “SL Green’s commitment to volunteerism American Corporate Partners Veteran Mentorship Rescuing Leftover Cuisine way, 30% of the newly constructed units will be rent regulated and blood donation drives positively SL Green employees volunteer in a mentorship program to to ensure the affordability of housing on New York City’s affected over 400 lives.” She Builds NYC provide post-9/11 veterans with resumé review, interview prepa- rental market. This will be the first building to be constructed New York Blood Center in Lower Manhattan under New York City’s Affordable New ration, career exploration tips, and networking opportunities. St. Patrick’s Parish York Housing program. Mentorship Program SL Green hosted 25 students from The Arc New York Robert F. Wagner Junior Secondary School, where the student- to-college-advisor ratio is 500:1. SL Green’s team dedicated The Friends of Wallisch Homestead, Inc. it's time to empower New York’s future workforce by COMMUNITY IMPACT helping students with interviewing skills, resumé writing, and Trinity Church career counseling. >150 1,850 600 LBS MENTORSHIPS WetLab Organizations supported Pounds of food donated Of toys donated to Bellevue 25 high school Ladders for Leaders Since 2016, SL Green has partnered to City Harvest Hospital students mentored with the New York City Mayor’s Office to provide students with internship opportunities that develop workplace readiness DONATION skills and business etiquette. 605 LBS 350 COATS 370 SHOES DRIVES Of school supplies donated to Donated to Coalition for the Donated to Across 22M square feet East Side Community School Homeless It’s From The Sole 400 PINTS $1.6M $21,000 >130 Of blood donated to Donations raised for Visiting Of sporting equipment donated Donation drives and community New York Blood Center Nurse Service of New York to New York public schools events sponsored by SL Green (VNSNY), which honored SL Green “I AM GRATEFUL FOR THE OPPORTUNITY TO EXPERIENCE A DAY EDUCATION HEALTH POVERTY / HUNGER • Alumni Association of the University of Virginia • Alzheimer's Association • City Harvest, Inc. • The Brearley School • Hailey's Hope Foundation • Covenant House IN THE REAL ESTATE INDUSTRY IN NEW • Chatham Education Foundation • Leukemia & Lymphoma Society • Habitat for Humanity • Montana State University Billings Foundation • Make-A-Wish Foundation of Connecticut • Rochester Area Interfaith Hospitality YORK. I LEARNED THE IMPORTANCE • Navigate the Maze to Achievement, Inc. • Melanoma Research Alliance Foundation Network, Inc. • The New York Public Library • Memorial Sloan Kettering Cancer Center • St. Francis Food Pantries and Shelter OF CONFIDENCE AND CHOOSING A JOB • Pennsylvania State University • National Multiple Sclerosis Society >1,000 • Pomfret School, Inc. • New York University Cancer Institute YOU’RE PASSIONATE ABOUT.” • Preston High School • Ronald McDonald House of New York, Inc. • Syracuse University • St. Jude Children's Research Hospital High School Mentee SL Green Paid Employee • Trustees of the Lawrenceville School • Susan G. Komen Volunteer Hours Robert F. Wagner Jr. Secondary School • Trustees of Tufts College • The John Ritter Foundation SL GREEN REALTY CORP. 2019 SUSTAINABILITY REPORT CEO LETTER KEY ACHIEVEMENTS ENVIRONMENTAL SOCIAL GOVERNANCE 033

environment. Across the portfolio of LEED certified properties, DATA SHARING / TRAINING / 74% of cleaning products purchased meet the relevant LEED standards and have a sustainable certification, including REPORTING EDUCATION Green Seal and Environmental Choice. Our performance in this area exceeds the 30% requirement prescribed under LEED. We are committed to supporting the corporate environmental Tenants are responsible for consuming 60% of a building’s BUILDING Property Management is responsible for reviewing equipment initiatives of our tenants through capital investments and data energy, so it is important that we provide them with the tools inventory and purchase logs quarterly to confirm these stan- transparency. Our team recognizes that when we improve and education to reduce their carbon footprint. We conduct dards are maintained. base building efficiency, we help tenants reduce expenses and town hall meetings, marketing campaigns, surveys, lobby events, meet their sustainability goals. With tenants focusing on and webinars to share best practices. Ultimately, behavioral Indoor Air Quality environmental performance now more than ever, we ensure an- changes such as powering down computers and turning off lights HEALTH In alignment with LEED standards, our buildings utilize prod- nualized energy, water, and waste consumption data is available. have a significant impact in lowering a building’s emissions. SL Green is focused on protecting the health and ucts including solvents, carpets, adhesives, paints, and coatings well-being of our tenants throughout the entire that emit low quantities of volatile organic compounds (VOCs) operational life cycle of our properties. to maintain optimal indoor air quality. All properties meet the LEED requirement of having Minimum Efficiency Reporting Value (MERV) 8 filters to improve indoor air quality throughout ENERGY STAR Health tenant spaces, and construction activities are scheduled to Building owners should develop best practices for assessing minimize tenant exposure to particulates. TREASURE HUNT potential health hazards and creating a responsive protocol. SL Green’s Sustainability Team works with tenants to identify SL Green’s Construction and Property Management Teams As part of standard construction protocol, low cost energy savings opportunities from behavioral, opera- are required to complete OSHA-10 certification to ensure safety spaces are thoroughly inspected for tional, and maintenance decisions. This year we introduced best practices. Site awareness helps our team identify poten- asbestos, and abatement is performed in ENERGY STAR Treasure Hunt, a program endorsed by the EPA tial biological, chemical, or physical hazards such as asbestos, 100% of cases where asbestos hazards that includes a walkthrough of tenant spaces to identify vermiculite, and legionella. are identified. day-to-day efficiency improvements. The goal is to enable employees to build a culture of continuous improvement, Our cooling towers are disinfected twice and reduce energy use, costs, and greenhouse gas emissions. a year and are tested every 90 days for Safety / Emergency Preparedness legionella bacteria to ensure water quality SL Green has implemented an extensive emergency and safety. This strategy is aligned with preparedness program to increase tenant safety during pre- best practices prescribed by New York City’s carious situations. Property Management teams are trained Department of Health and Mental Hygiene. on response protocol for a variety of events including gas leaks, civil disturbance, and severe weather incidents. Our tenants receive fire safety and workplace violence trainings WELL Portfolio Pilot on a quarterly basis, and we have implemented a communi- The International WELL Building Standard™ (WELL™) is an cation pipeline with our tenant contacts to provide direction evidence-based performance standard developed by Interna- and guidance during emergencies. Additionally, 100% of tional WELL Building Institute™ (IWBI™). The standard is used our portfolio has installed automated external defibrillator for measuring, certifying, and monitoring the performance (AED) devices to respond to cardiac events, and SL Green of building features that impact occupant health. WELL™ employees are offered CPR training. prescribes a series of technology enhancements and metrics across ten concept categories: air, water, nourishment, light, Sustainable Transportation INCENTIVE movement, thermal comfort, sound, materials, mind, and com- SL Green’s properties operate around the transportation munity. SL Green is the only owner in New York City to partici- hubs that are at the heart of New York City’s vitality. Ac- OPPORTUNITIES pate in the WELL Portfolio™ pilot with 20 buildings across cording to LEED surveys administered to our tenants, 90% TENANT SL Green is focused on leveraging low cost solutions to en- 16 million square feet, and holds an advisory position to of building occupants utilize sustainable transportation hance building performance. NYSERDA (New York State Energy assure that this program delivers immediate and measurable to commute to and from our buildings, including riding the Research and Development Authority) recently expanded their benefits for building occupants. The operations, facility subway, walking, and carpooling. As a testament to the prime, Commercial Tenant Program, which provides our tenants with decisions, and policies of our portfolio are aligned with WELL™ pedestrian-friendly locations of our Manhattan properties, ® free energy audits to help them identify energy savings oppor- standards to uphold SL Green’s responsibility to our tenants. we scored an average of 99/100 using the Walk Score ENGAGEMENT methodology. We have also constructed 12 bike rooms and tunities in their spaces. We promote this program throughout Green Cleaning Our tenant partnerships are foundational to our portfolio to equip our tenants with the tools to make developed over 20 bike plans to ensure we are accommodating Green Cleaning conserves resources and limits exposure of SL Green’s success. As the business needs of informed decisions on energy improvements. If tenants choose tenants that bike to work across the city. building occupants and maintenance personnel to potentially our tenants change, SL Green adapts to create to pursue capital investments, our team helps them identify hazardous chemical, biological, and particulate contaminants, built environments that foster productivity, health, financial incentives from local utility companies, including which adversely affect air quality, human health, and the and value. Con Edison. SL GREEN REALTY CORP. 2019 SUSTAINABILITY REPORT CEO LETTER KEY ACHIEVEMENTS ENVIRONMENTAL SOCIAL GOVERNANCE 035

After years of demonstrating best-in-class tenant hospitality, SL Green created Living Green in response to an unprecedented wave of amenity interest sweeping the real estate industry. Through Living Green, vacant spaces in our portfolio are activated to offer tenants a suite of health and wellness events in partnership with Better Spaces. Supported by a community manager, a mobile application, and data analytics, programming is responsive to tenant interests within the community they have cre- ated. Key to the success of the program is a flexible model where spaces can be converted or moved within 72 hours to meet the demands of New York’s fast-paced leasing market. As a testament to the Unique success of Living Green, we have witnessed an emerging community that has changed the fabric of our buildings and promotes a balance between work productivity and holistic wellness. Programming

Aromatherapy UTILIZATION METRICS Desk Yoga 45,000 3,250 >17,000 >450 Ergonomic Evaluations Global Entry Interviews Visits to the Living Tenants use the Conference room bookings Tenant wellness events hosted Green spaces mobile application through the Living Green throughout the portfolio Headshot Photography mobile application Massages

Nutrition Sessions

Painting Classes

Ping Pong Tournaments

Racked® Stretching

Reiki

Stress Management Courses

How Living Green Builds a Community LIVING → →Encourage socializing between various tenant companies through game nights and tournaments.

→→Administer tenant satisfaction sur- veys to determine popular programs and respond to feedback.

→→Display tenant artwork for sale throughout the spaces.

→→Establish a communal book club.

→→Host winter fairs where tenants sell crafts as holiday gifts to provide a GREEN platform for their brands and creativity. SL GREEN REALTY CORP. 2019 SUSTAINABILITY REPORT CEO LETTER KEY ACHIEVEMENTS ENVIRONMENTAL SOCIAL GOVERNANCE 037

UN SDG Alignment At the core of our business is a GOVERNANCE strategy for sustainable economic growth. SL Green's consistent There is a shared accountability among SL Green’s employees demonstration of strong governance to operate in accordance with the highest moral, legal, and ethical underpins our presence as New standards. Driven from the top, corporate responsibility is exe- York City's largest commercial land- cuted across all departments internally and extends to our partners, lord, and the largest employer of tenants, and suppliers. Our commitment to ongoing and open SEIU Local 32BJ union members. communication with stakeholders ensures we achieve our collective vision of model corporate citizenship. SL GREEN REALTY CORP. 2019 SUSTAINABILITY REPORT CEO LETTER KEY ACHIEVEMENTS ENVIRONMENTAL SOCIAL GOVERNANCE 039

BOARD 89% 78% ADVOCACY Of Board Members currently Of Board Members currently serve, or have served, as serve, or have served, We are committed to engaging with key CEO or in senior leadership on Boards of other publicly stakeholders across federal, state, and city EXPERTISE positions. traded companies. organizations to share industry expertise and advance collective sustainability goals.

Our Approach Expertise EPA NYSERDA REBNY A guiding principle at SL Green is to conduct our The below skills held by SL Green’s Board represent the depth Provided data and feedback Strategized with NYSERDA Engaged City Council business in accordance with the highest moral, and breadth of their expertise: to inform the EPA’s (Environ- (New York State Energy members and provided legal, and ethical standards. Our reputation for mental Protection Agency) Research and Development recommendations to Academia integrity is our most important asset, and each ENERGY STAR methodology Authority) on initiatives help develop New York employee contributes to the care and preserva- Accounting update. to meet statewide carbon City’s climate legislation tion of that asset. There is shared accountability reduction goals through through REBNY’s (Real among our employees to uphold SL Green’s Executive Leadership renewable energy sources Estate Board of New York) Code of Conduct. and technologies. Sustainability Committee. Experience Over Several Business Cycles

2019 Proxy Highlights Finance / Capital Markets Since the 2018 annual meeting, we have reached out to over 70% of stockholders. The feedback from these engagement Governmental / Regulatory Experience efforts are reflected in the Corporate Governance highlights Public Company Board Service / Corporate implemented by our Board: Governance CARBON MAYOR’S URBAN GREEN Board Refreshment Rotating Chairpersons of Compensa- tion and Nominating & Corporate Governance Committees. REIT / Real Estate Industry CHALLENGE OFFICE COUNCIL

Declassified Board Directors elected for one-year terms. Risk Management Contributed to the New Reviewed New York City’s Participated on UGC’s York City’s MOS (Mayor’s Of- “New Construction Track” (Urban Green Council) 80x50 Stockholder Amendment to Bylaws Permit amendment Talent Management fice of Sustainability) Carbon Accelerator Program, which Buildings Partnership to of bylaws by a majority vote. Technology Challenge Technical Working will outline standards and deliver a policy framework Oversight Board and Executive oversight of ESG program. Group to create tenant procedures for high perfor- that reduces New York Stakeholder Engagement Initiated across tenants, commu- engagement strategies that mance new construction. City’s emissions. nity members, and employees to identify material ESG topics. reduce carbon emissions.

Of Independent Board Members are women, promoting a diversity of 33% age, gender, and outlook. SL GREEN REALTY CORP. 2019 SUSTAINABILITY REPORT CEO LETTER KEY ACHIEVEMENTS ENVIRONMENTAL SOCIAL GOVERNANCE 041

ESG Risk Rating

The Sustainalytics ESG Risk Rating score measures how companies are managing financially material Environmental, Social, and Governance risks relative to peers in the same sector. Due to our effective management and minimal exposure to risk, SL Green has a low risk rating.

Demand for Sustainable Office Space Cybersecurity Risk Mitigation Our approach to risk management identifies, in New York With growing risks associated with cybersecurity, we mitigate analyzes, and responds to risks and opportunities New York City’s geography exposes it to potential coastal At SL Green, implementing robust cybersecurity measures is our exposure by offsetting the potential costs involved with that exist across financial, operational, and weather risks such as hurricanes and flooding. Climate change an integral component of our risk management strategy. recovery after a cyber-related security breach or similar event compliance levels. Using a precautionary approach, can intensify these risks, which could affect the demand As we transmit sensitive data across networks and rely on by purchasing cyber liability insurance coverage. our team proactively implements response proce- for office space in New York. Changing consumer and investor Internet-based systems to run our buildings, we are dedicated Cloud Migration demands are increasingly driving companies to enhance their to protecting this information and the systems used to dures and makes long-term planning decisions. With the advancement and availability of cloud technologies, buildings with climate mitigation strategies. Our approach is to process it. We also ensure our employees, processes, systems, This risk management framework is integrated into we leverage the power of the cloud to employ sophisticated operate, maintain, and build assets to meet market demands and external partners are aligned with cybersecurity best organizational decision-making processes, and cybersecurity measures. for sustainable and resilient office spaces. We also collaborate practices. Our Board of Directors and Executive Management fortifies the future stability of our business. with prospective and existing tenants to meet their sustainability Team regularly assess our program and are positioned to For more information, please refer goals through capital investments, data sharing, education, respond to security and privacy risks, identify vulnerability to SL Green's 10-K filings. Climate Risks and and green operations. gaps, and assess data governance programs. Opportunities Climate-Related Regulations Cybersecurity Awareness New York City’s commitment to reduce citywide emissions To ensure our employees are equipped with the tools to 80% by 2050 is one of the most stringent climate goals for identify cybersecurity threats, we issue quarterly trainings Managing Climate Change Risk Through any large city in the world. In order to achieve these reduc- that are mandatory for all employees. All employees also Resiliency Planning tions, City Council passed the Climate Mobilization Act (CMA) receive monthly security awareness tips to help identify Our team manages the risk associated with climate-related in April 2019, prescribing annual caps on building greenhouse phishing, deceptive emails, and corrupted links. weather events by relocating critical building infrastructure, gas emissions starting in 2024. At the state level, the Climate purchasing insurance plans, installing generators, and train- Leadership and Community Protection Act (CLCPA) was passed Vulnerability Management ing building management and security staff on emergency in June 2019, calling for a 70% renewable electric grid by 2030. We constantly scan our systems for vulnerabilities and ensure response protocol. We also allocate funds through 5-year that any identified risks are immediately addressed. During and 10-year capital plans for resiliency and energy efficiency SL Green’s proven track record of energy efficiency and monthly maintenance windows, we ensure that all our internal projects. These capital improvements reduce greenhouse emissions reduction over the past two decades minimizes the systems are patched adequately. gas emissions, mitigate our impact on climate change, and impact of the recent legislation on our portfolio. Taking it a step further, climate-related regulations provide an opportunity increase resiliency at our properties. Security Assessments to engage our tenants on energy management and emissions At SL Green, we periodically employ external agencies to test reduction best practices, further decreasing the environmen- the efficacy of our security protocols. Any weaknesses found tal impact of our portfolio. by these agencies are addressed through corrective action plans and systematic changes. SL GREEN REALTY CORP. 2019 SUSTAINABILITY REPORT CEO LETTER KEY ACHIEVEMENTS ENVIRONMENTAL SOCIAL GOVERNANCE 043

OUR POLICIES ESG REPORTING IN 2019, OUR TEAM SL Green published a comprehensive set of A comprehensive ESG program requires that all data covering RESPONDED TO 10 ESG Corporate Sustainability policies that codifies our Environmental, Social, and Governance initiatives are mea- commitment across all material Environmental, sured and transparent. We recognize the importance of FRAMEWORKS AND Social, and Governance issues identified by our disclosing accurate and reliable data as a public company, stakeholders. Every employee and vendor is so our environmental performance data has been externally VERIFIED OVER 2,000 expected to support and adhere to these policies, assured. To ensure our investors have access to the most accurate information, we conduct data verification for third- which can be accessed from our website at party frameworks including Bloomberg and MSCI, and volun- sustainability.slgreen.com. ESG DATA POINTS. tarily respond to ESG evaluations including GRESB and CDP. Our strategy has led to widespread recognition, and these reporting frameworks provide measurable validation for the success of our program.

Environmental Policies • Monitoring of Suppliers’ Environmental • Product Responsibility Monitoring – Impacts • Environmental Protection Performance of Products and Services on the Community • Creating Environmental Awareness • Engagement with Suppliers to Address • Community Involvement Programs – Policy • Implementing an Environmental Non-Compliance or Improve Environmental Commitment to Consult with Local NO.1 S&P 500 AND S&P Management System Performance Communities Scoring Office REIT for • More Efficient Use of Natural Resources • Targets & Deadlines for the Environmental • Community Involvement Programs – Executive GLOBAL 1200 ESG Improvement of Suppliers Responsibility for Community Relations ESG Disclosures on Bloomberg • Emissions Reduction Included on the S&P 500 and S&P • External Certification (ISO 14001, Organic, • Community Involvement Programs – World Index • Waste Reduction Global 1200 ESG Indexes • Monitoring Environmental Performance etc.) Covering Over 50% of the Company’s Community Consultation Guidelines • Regular Reporting on Environmental Issues Suppliers • Community Involvement Programs – • Consulting with Stakeholders on • Engagement with NGOs or Industry Peers Operations-Specific Responsibility for Environmental Issues to Address Environmental Issues in the Community Relations • Senior Management & Board of Director Supply Chain • Community Involvement Programs – A Approval • Fair Trade Policy Formal System for Identifying Local HIGHEST SCORING REPORTING • Disclosure on Policy & Management – Stakeholders or Communities of Interest Energy Efficiency Social Policies • Community Involvement Programs – OFFICE REIT STANDARDS • Green Building Policy • Child Labor & Forced Labor Consultation Conducted at Early Stages “B” score achieved on the 2018 CDP Adherence to GRI “Core” reporting • Waste Reduction Policy • Freedom of Association of a Project Climate Change response, tying standards for seven consecutive years • Water Policy • Fair Wages & Equal Remuneration • Community Involvement Programs – SL Green as the highest scoring Office • Climate Change • Anti-Discrimination Policy Accessible Mechanism to Collect, Record and REIT in North America • Water Efficiency • Diversity Policy Address Complaints or Grievances • Energy Efficiency Policy • Supply Chain Management Policy • Sustainable Packaging Policy • Human Rights Policy Governance Policies • Environmental Supply Chain Policy • Employee Health & Safety • “Say on Pay” Provision GREEN STAR TOP THREE • Emissions Reduction Policy • Supply Chain Health & Safety • Clawback or Malus Provisions • Achieved a 2019 GRESB Green Star, Top Three Ranking in MSCI’s • Biodiversity Protection • Customer Health & Safety • Performance Oriented Compensation with a score 40% higher than the Environmental Category • Reducing Impact on Biodiversity • Employee Training & Career Development • ESG-Related Executive Compensation average first-time responder (Opportunities in Green Buildings) • Renewable Energy Policy • Employee Engagement & Feedback • Executive Retention Practices • Product & Process-Related Requirements • Equal Opportunity Policy • Proxy Access Provision • Scored an “A” on GRESB’s Public • Commitment to Address Office Products • Business Ethics Policy • Restrictions on Legal Actions Disclosure Report • Commitment to Engage with Suppliers on • Anti-Bribery & Corruption Policy by Shareholders Environmental Performance • Employee Protection / Whistleblower Policy • Equal Voting Rights • How the Company Accomplishes Resource • Fair Competition Policy • Shareholder Engagement Efficiency • Data Privacy & Security Policy • Whistleblower Programs • Partnership Termination • Responsible Marketing Policy • Board Size Policy • Companywide Managerial Responsibility • Community Spend • Board Independence Policy OUTPERFORMER “A” SCORE • Community Involvement Policy – Reputation • Board Diversity Policy • Systematic Consideration of Suppliers’ Designation on the Sustainalytics Ranking SL Green within the Management • Board Experience Environmental Performance During ESG Rating top 10 percentile of Residential & • Employees Community Work – Fostering • Board Re-Election Provisions Procurement Commercial REITs • Compliance with Environmental Standards Employee Volunteering Included in Legally Binding Agreements with • Corporate Responsibility Awards – Awards Suppliers for Community Performance SL GREEN REALTY CORP. 2019 SUSTAINABILITY REPORT CEO LETTER KEY ACHIEVEMENTS ENVIRONMENTAL SOCIAL GOVERNANCE 045

Materiality STAKEHOLDER In 2018, SL Green performed a complete materiality assessment As part of the materiality assessment, a quantitative analysis that was informed by stakeholder engagement processes. was performed to rank all aspects based on importance to, A detailed description of the materiality assessment process is and potential impact on, SL Green and priority stakeholders. presented below. SL Green chose to include the material topics — those that ENGAGEMENT SL Green's materiality assessment involved highlighting the fell in the top quartile of the materiality matrix — and SL Green identifies stakeholders as those who affect SL Green’s sustainability topics that were most meaningful to stakeholders an assortment of nonmaterial topics — those that fell outside business, and those who are potentially affected by the business. and relevant to the company. To initiate the materiality pro- the top quartile but were nevertheless important to the The following table includes examples of topics raised by cess and substantiate the chosen material topics, SL Green Company and its stakeholders. The SL Green Executive SL Green’s stakeholders. engaged priority stakeholders in 2018 and continues to Team reviewed the topics and approved the inclusion of them engage stakeholders on an ongoing basis. While targeted in this year's report. The topics cover Environmental, Social, engagement was not undertaken solely for the purpose of and Governance aspects and include several metrics from the this report, ongoing stakeholder engagement continues to real estate sector supplement. The chosen aspects were inform reporting content. then paired with the respective GRI key performance indica- STAKEHOLDER ENGAGEMENT ENGAGEMENT METHOD TOPICS RAISED tors in the materiality matrix below: GROUP FREQUENCY

Board of Directors Annual →→ Sustainability Report →→ Energy, Emissions, Water, Local Community, →→ Institutional Investor Conference Economic Performance, Environmental Compliance, →→ Annual Presentation Socioeconomic Compliance

Employees Ongoing →→ Annual Town Hall →→ Freedom of Association and Collective Bargaining, →→ Annual Employee Survey Diversity, Nondiscrimination, Equal Pay, Occupational →→ Ongoing Program Updates Health and Safety, Employment, Training and →→ Training and Education Education, Child Labor, Forced or Compulsory Labor, →→ Volunteerism Labor/Management Relations

Executive Team Monthly →→ Annual Presentation →→ Energy, Emissions, Water, Effluents and →→ Institutional Investor Conference Waste, Local Community, Economic Performance, →→ Quarterly Status Report Environmental Compliance, Socioeconomic Anti-competitive Water; Effluents and Waste; Energy; Emissions; Occupational →→ Annual Sustainability Report Compliance Behavior; Local Community; Customer Health and Safety; Socioeconomic Anti-corruption; Health and Safety; Security Compliance; Economic Performance; Industry Peers Ongoing →→ Joint Ventures →→ Energy, Emissions, Water, Environmental Compliance, Public Policy Environmental Compliance →→ Sustainability Committees Effluents and Waste, Public Policy, Local Community, →→ Trade Associations Customer Privacy, Economic Performance, Indirect Economic Impacts Human Rights Materials; Data Privacy Customer Privacy; Equal Indirect Economic Impacts; Assessment; Supplier Pay; Training and Education; Labor/Management Relations; Investors Ongoing →→ Annual Report & 10-K →→ Economic Performance, Anti-corruption, Social Assessment; Freedom of Association Employment →→ Proxy Statement Environmental Compliance, Socioeconomic Child Labor; Forced or and Collective Bargaining; →→ Sustainability Report Compliance, Diversity Compulsory Labor Diversity; Non-discrimination →→ Sustainability Website Updates Market Presence; Procurement Practices; Local Community Ongoing →→ Philanthropy →→ Energy, Emissions, Water, Effluents and Waste, Marketing and Labeling Supplier Environmental →→ Volunteerism Indirect Economic Impacts, Local Community, Assessment; Biodiversity →→ Business Improvement Districts Biodiversity, Public Policy →→ Civic Engagement IMPORTANCE TO STAKEHOLDERS TO IMPORTANCE

Sustainability Ongoing →→ Energy Management →→ Energy, Emissions, Water, Environmental Compliance, Consultant →→ Green Building Certification Effluents and Waste, Public Policy, Supplier →→ Sustainability Policy Development Environmental Assessment

Tenants Ongoing →→ Town Hall →→ Security, Customer Health and Safety, Materials, IMPACT OF SL GREEN →→ Biannual Tenant Satisfaction Survey Energy, Emissions, Procurement Practices, →→ Newsletter and Webinar Customer Privacy →→ Green Building Certification

Vendors Ongoing →→ Energy Management →→ Energy, Emissions, Water, Environmental Compliance, →→ Green Building Certification Effluents and Waste →→ Training and Education SL GREEN REALTY CORP. 2019 SUSTAINABILITY REPORT CEO LETTER KEY ACHIEVEMENTS ENVIRONMENTAL SOCIAL GOVERNANCE 047

ESG Integration at SL Green BOARD OF DIRECTORS Programmatic Oversight

EXECUTIVE LEADERSHIP ESG Governance

From left to right: Pamela Seltzer, Portfolio Administrator Edward V. Piccinich, Chief Alvis Yuen, Associate, Energy & Sustainability Analyst Operating Officer & Building Performance Evin Epstein, Assistant Director Laura Vulaj, Senior Vice President Lynne-Courtney Hodges, Vice of Sustainability & Director of Sustainability President of Human Resources ESG TEAM Program Implementation A Message From and saw unprecedented interest in our industry affiliate organizations and program from investors and JV Partners. government officials to ensure that climate legislation is achievable for real Our Team As ESG rises to the forefront of estate owners. investment decisions, there has been a As we publish our seventh annual substantial increase in the demand for Internal Engagement External Engagement sustainability report, we are extremely Not only do we strive to be champions data transparency and requests to com- proud of its evolution to a comprehen- of growth for our city, but also for our Construction Community Members plete ESG evaluations – in 2019 alone, sive account of SL Green’s Environmental, people. This year we expanded our our team responded to 10 ESG reporting Social, and Governance program that mental health benefits, training offer- Engineering Consultants frameworks and verified over 2,000 is aligned with both the Global Reporting ings, and volunteerism opportunities. data points. Now more than ever, we are Finance Governmental Officials Initiative framework and the UN Sustain- Our investment in our people is rewarded focused on data collection and quality, able Development Goals. 2019 was a year by the hard work and dedication that goal setting, and effective management. Leasing Industry Organizations of both great success and prominent defines our company culture. challenges. For the first time, our team With our roots in New York City, we There is nothing more important than Legal Industry Peers responded to GRESB, submitted data are also at the center of the world’s the success of our city and our people, Information Technology Investors to the Dow Jones Sustainability Index, most aggressive climate legislation and we remain committed to meeting and published over 80 ESG policies to and recognize our responsibility to lead these goals through the continuous Investor Relations Suppliers our website. We prioritized communica- by example. We contributed signifi- growth of our ESG program. tion with our employees and tenants, cant time and effort in meeting with Operations Tenants SL GREEN REALTY CORP. 2019 SUSTAINABILITY REPORT

About This quantities into carbon emissions using equipment within each building and the industry standard emissions factors refrigerant capacity of the system as Report and global warming potentials published well as any leaks. If a piece of equipment by the GHG Protocol. If any data was did not have leaks, a 0.5% leakage rate not available, estimates were used was assumed to match LEED O+M as needed. standard. The square footage of each building was from the reported Gross The 2018 environmental performance Square Footage of each building as re- (energy, water, waste, and emissions) ported in annual Benchmarking Report of the portfolio has been compared with under Local Law 84. 2016 and 2017 environmental per- formance. Historical Environmental The contact person for this report is Performance Summaries can be found Laura Vulaj, Senior Vice President & This is SL Green’s seventh annual at sustainability.slgreen.com. Director at Sustainability at sustainability report, which covers the [email protected]. 2018 calendar year. This report is based Energy data was collected by pulling ag- on the Global Reporting Initiative (GRI) gregate utility data from Consolidated Reporting Framework, which is used to Edison that captured all energy used by REPORTING PROPERTIES report about an organization’s impacts each property from the utility. In addi- →→ 360 Hamilton Avenue on the economy, the environment, and tion, tenant utility data was collected →→ Landmark Square Buildings 1-7 society using ESG metrics. This report directly from the tenants via direct →→ 1010 Washington Boulevard meters and/or submeters. Scope 1 con- is “In Accordance—Core” with the GRI →→ 100 Summit Lake Drive sumption and emissions were calculated Standards framework and includes →→ 1055 Washington Boulevard by taking the aggregate on-site emis- disclosures from the Construction and →→ 200 Summit Lake Drive sions factors (fuel oil, natural gas, and Real Estate (CRE) Sector Supplement. →→ 500 Summit Lake Drive The GRI Content Index can be found at refrigerant) and removing tenant fuel →→ 10 East 53rd Street sustainability.slgreen.com. and refrigerant usage found in Scope 3. Scope 2 consumption and emissions →→ 100 Church Street SL Green collected available data from were calculated in similar fashion by →→ 100 Park Avenue all properties listed to the right in which subtracting the tenant distributed →→ 11 Madison Avenue the company maintains direct opera- energy (electricity and steam) from →→ 110 East 42nd Street tional control, including those in New the total electricity and steam usage →→ 110 Greene Street York City and in the greater New York found in aggregate building data. →→ 1185 Avenue of the Americas metropolitan area. Data from subsidiar- Scope 3 consumption and emissions →→ 125 Park Avenue ies, leased facilities, outsourced opera- were calculated by taking the aggre- →→ 1350 Avenue of the Americas tions and other entities are not included gate on-site emissions factors (fuel oil, →→ 1515 Broadway in this report. In order to compile a natural gas, and refrigerant) as well →→ 220 East 42nd Street complete and accurate set of data to as aggregate distributed energy (elec- →→ 304 Park Avenue South report on environmental performance, tricity and steam) and removing base →→ 420 Lexington Avenue SL Green hired Sustainable Investment building fuel, refrigerant, electricity, →→ 461 Fifth Avenue Group, a sustainability consulting firm, and steam usage. 2018 tenant steam →→ 485 Lexington Avenue to collect, analyze, and report on each consumption was accounted within →→ 521 Fifth Avenue data metric. Sustainable Investment Scope 2 steam consumption. Group worked with SL Green management →→ 555 West 57th Street and building staff, service providers, Waste amounts were determined by →→ 625 Madison Avenue and utilities to collect data for energy taking the total waste removed from →→ 635 Avenue of the Americas and water consumption, greenhouse the site and the individual diversion →→ 641 Avenue of the Americas quantities reported from the waste gas (GHG) emissions, and waste data. →→ 711 Third Avenue hauler on a monthly basis. The waste →→ 750 Third Avenue The GHG inventory process was diversion was calculated by taking the →→ 810 Seventh Avenue performed in accordance with quan- total diverted amount for the year →→ 919 Third Avenue tification methodologies of the GHG and dividing by the sum of landfill plus Protocol. Data collection methods are diverted waste for the year. Water shown below. After all data was col- data was collected by gathering aggre- lected, Sustainable Investment Group gate water data. Refrigerant emissions converted the energy consumption were calculated by collecting a list of SL Green Realty Corp. 420 Lexington Avenue, New York, NY 10170 212.594.2700 www.slgreen.com