2018 Sustainability Report Page 1

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BUILDING A NEW VISION FOR NEW YORK SL GREEN REALTY CORP. 2018 SUSTAINABILITY REPORT PAGE 1

TABLE 02 CEO Letter 22 Social Responsibility OF 04 Key Achievements 24 Our People CONTENTS 06 One Vanderbilt 26 Living Green 08 Environmental Sustainability 28 Community Engagement 10 Our Approach 30 Strong Governance 12 Our Carbon Strategy 32 Management Principles 14 LEED 34 Stakeholder Engagement 16 Energy Star 35 Materiality Matrix 18 Efficiency Strategy 36 About This Report 20 Partnering with Our Tenants

SL GREEN RECOGNIZES THAT OUR INFLUENCE EXTENDS BEYOND A PHYSICAL FOOTPRINT. ENVIRONMENTAL SUSTAINABILITY, SOCIAL RESPONSIBILITY, AND SOUND GOVERNANCE ARE AT THE CORE OF OUR BUSINESS STRATEGY. SL GREEN REALTY CORP. 2018 SUSTAINABILITY REPORT CEO LETTER KEY ACHIEVEMENTS ENVIRONMENTAL SOCIAL GOVERNANCE PAGE 3

Marc Holliday community than SL Green — a home- development of One Vanderbilt, Chief Executive Officer A MESSAGE FROM SL Green Realty Corp. grown company that is unsurpassed where all design, construction, and OUR CHIEF EXECUTIVE in demonstrating leadership in both operational elements prioritize OFFICER AND financial performance and social environmental stewardship and CHAIRMAN ELECT responsibility. SL Greenʼs strategy is societal responsibility. aligned with future resiliency of New York City as we meet citywide carbon Marking two decades as a publicly- Our unwavering commitment reduction goals, deploy cutting-edge traded REIT, I am focused on to New Yorkers is imperative to technology, and operate around the SL Greenʼs commitment to corporate SL Greenʼs long-term business transportation hubs that are at the sustainability now more than ever. strategy. At SL Green, our vision is heart of the cityʼs vitality. As we approach a new era of sustain- to build an environmentally and ability where Environmental, Social, socially sustainable legacy for the and Governance (ESG) decisions are As a native New Yorker, it is of the city I love. inextricably linked with economic utmost importance that SL Greenʼs performance, SL Green is poised to portfolio propagates the collective be an industry leader. Our collective vision of New York City as a united vision is using capital to generate community. Together, we will productive, sustainable outcomes transform the built environment while limiting future risk to people to mitigate climate change and and planet. Leveraging key ESG provide a high quality of life for Marc Holliday indicators identified by our investors all New Yorkers. Chief Executive Officer and stakeholders, SL Green has SL Green Realty Corp. assembled a portfolio that creates New buildings are reshaping the long-term value with a positive skyline while existing properties are impact to society. being modernized and repurposed, all to perform at the highest levels of Today, no organization is more sustainability. Our vision for the most committed to meeting the dynamic ambitious office tower in New York needs of New York Cityʼs City has been manifested through the

OUR MISSION ENVIRONMENTAL SOCIAL GOVERNANCE

SL Green Realty Corp. is committed to environ- Central to SL Greenʼs mission SL Greenʼs key partnerships extend SL Green conducts our business mental, social, and governance initiatives to improve the city in which we beyond the confines of our offices in accordance with the highest invest is a conscious effort to and into the greater NYC community. moral, legal, and ethical standards. that deliver value and health for our stakeholders. minimize our carbon footprint by We consciously strive to be stewards Our reputation for integrity is the Structured around three key areas, Efficiency, reducing emissions, conserving of well-being and agents of good- cornerstone of the publicʼs faith Tenant Experience, and Industry Leadership, our water, and promoting the use of will toward our neighbors in the city and trust in our company. market-leading program continues to minimize recycled materials. through our wellness programs, environmental impact and increase resiliency. volunteerism, and financial patronage. SL GREEN REALTY CORP. 2018 SUSTAINABILITY REPORT CEO LETTER KEY ACHIEVEMENTS ENVIRONMENTAL SOCIAL GOVERNANCE PAGE 5

KEY ACHIEVEMENTS

SL GREEN CONTINUES TO ACHIEVE 20.5M 15M SQUARE FEET SQUARE FEET connected to a real-time energy participating in the WELL SUPERIOR OPERATING PERFORMANCE AND management platform Portfolio program STRIVES TO MAINTAIN ITS POSITION AS A MODEL OF CORPORATE CITIZENSHIP.

View from 30th floor during construction of One Vanderbilt Picture taken October 5th, 2018 130 30% COMMUNITY EVENTS PORTFOLIO-WIDE provided to our tenants and employees emissions intensity reduction as volunteering opportunities (2018) goal (by 2025)

MOST SUSTAINABLE $220M $66M INVESTED IN PUBLIC INVESTED IN ENERGY REIT BY REAL TRANSIT IMPROVEMENTS EFFICIENCY ESTATE FINANCE around Grand Central Terminal including HVAC, BMS, and lighting AND INVESTMENT at our ground-up development, upgrades, and variable frequency No.1 (2017, 2018) One Vanderbilt drive installations (since 2010) 14M 63% SQUARE FEET MANHATTAN OPERATING ENERGY STAR certified and PROPERTIES recipient of Partner of the Year — LEED Certified Sustained Excellence (2017-2018) $1M 80% IN CONTRIBUTIONS GRI INDICATORS to charitable organizations and Disclosed in Content Index philanthropic endeavors (2018) SL GREEN REALTY CORP. 2018 SUSTAINABILITY REPORT CEO LETTER KEY ACHIEVEMENTS ENVIRONMENTAL SOCIAL GOVERNANCE PAGE 7

Key Achievements ONE VANDERBILT One Vanderbilt is the next RESPONSIBILITY TO generation of transit-oriented OUR COMMUNITY development in New York. In The sustainable design of One an unprecedented public-private  Vanderbilt creates a Class-A office $220M in public realm partnership, SL Green will imple- improvements experience for tenants, visitors, ment $220 million of public space and the local community. With  $17M in sustainability features and transit improvements in thoughtful consideration to that go above and beyond NYC conjunction with the construction wellness elements like natural code requirements of One Vanderbilt. This will light, quality air, and thermal  Will achieve one of the lowest create a pedestrian-friendly public comfort, One Vanderbilt offers carbon footprints among build- plaza that bridges the building tenants the flexibility to adjust to ings in similar density and scale and Grand Central Terminal. The the changing workforce. Tenants in NYC apex of sustainability, wellness, will experience superior building  Creation of pedestrian-friendly and amenities will provide both features and amenities, including: plaza around Grand Central One Vanderbiltʼs tenants and the Station surrounding community with an   Improved subway accessibility, LEED Certification unsurpassed urban experience. circulation, and connectivity  WELL Certification

 30,000 square foot amenity floor

 Conference center

 Indoor air quality that will surpass the ASHRAE 62.1 standard by 30%

 Quality water ensured by ONE enhanced filtration VANDERBILT AVENUE  85% of tenant floor area with premier access to daylighting through floor-to-ceiling windows GRAND NEW  Access to healthy food offerings in CENTRAL CONCOURSE PEDESTRIAN the third floor amenity space PLAZA

 Movement, physical activity, and active living promoted through design strategies

 Maximum level of comfort among all building occupants ensured through HVAC system design and METRO LIRR EAST SIDE acoustical comfort parameters NORTH ACCESS BY 2022 SL GREEN REALTY CORP. 2018 SUSTAINABILITY REPORT CEO LETTER KEY ACHIEVEMENTS ENVIRONMENTAL SOCIAL GOVERNANCE PAGE 9

Laura Vulaj Senior Vice President and Director of Sustainability OUR SL Green Realty Corp. VISION FOR ENVIRONMENTAL SUSTAINABILITY

“OUR ENVIRONMENTAL OBJECTIVES MUST BE EQUALLY BALANCED WITH OUR ECONOMIC GOALS.”

Green buildings are no longer the exception, Environmental challenges are best solved by theyʼre the rule. At SL Green, we believe that encouraging human ingenuity and developing a strategy for environmental stewardship must cutting-edge technologies. As a leader in also address economic growth and develop- commercial real estate, SL Green is committed ment in order for it to be sustainable. As New to implementing best practices and operating York Cityʼs largest commercial landlord, we at the highest efficiency standards to strengthen can make a significant impact by stabilizing our our communityʼs resiliency, while maintaining carbon footprint. our responsibility to our shareholders.

Now, more than ever, it is essential that real For over 20 years, the fortunes of New estate owners and managers work in partner- York City and SL Green have been intertwined. ship with local and federal governments to Our company is built on the highest shape policies that yield both environmental standard of integrity and a pioneering spirit. and economic benefits. But our vision alone Together we can influence New York Cityʼs wonʼt change the world. environmental future. SL GREEN REALTY CORP. 2018 SUSTAINABILITY REPORT CEO LETTER KEY ACHIEVEMENTS ENVIRONMENTAL SOCIAL GOVERNANCE PAGE 11

Environmental Sustainability OUR APPROACH

SL Green developed a six- pronged strategy to sustainability, ensuring that the portfolio is resilient, responsible, and reliable. This approach is integrated through the life cycle of all properties, spanning the acquisition, planning, design, construction, and operational phases.

1. R EDUCE ENERGY 2. FACILITY 3. G REEN BUILDING 4. TENANT 5. SCIENCE-BASED 6. RENEWABLE CONSUMPTION MANAGEMENT DESIGNATIONS ENGAGEMENT EMISSIONS TARGETS ENERGY Stabilizing portfolio- Standardizing green Pursuing third-party Educating tenants Analyzing energy Procuring energy from wide carbon footprint policies and procedures verification across 100% through webinars, consumption in a renewable resources across all properties of the portfolio town hall meetings, global context and lobby events SL GREEN REALTY CORP. 2018 SUSTAINABILITY REPORT CEO LETTER KEY ACHIEVEMENTS ENVIRONMENTAL SOCIAL GOVERNANCE PAGE 13

Environmental Sustainability

OUR CARBON NYC SL GREENʼS STRATEGY MAYORʼS GOAL REDUCTION GOAL

SL Greenʼs commitment to creating a greener footprint begins with emissions reduc- 8080% REDUCTION x IN 50 CITYWIDE 30%IN GHG EMISSIONS tions across its properties. GHG EMISSIONS BY 2050 INTENSITY BY 2025 Collaboration with tenants, employees, and other stakeholders is critical in realizing these goals by setting targets and implementing effective NEW YORK CITY CARBON CHALLENGE CARBON DISCLOSURE PROJECT management strategies. To further verify its sustainability SL Green is participating in the New York In 2018, SL Green responded to the CDP City Mayorʼs Carbon Challenge with 8 Climate Change survey for the first time and performance, SL Green partici- buildings across 8 million square feet. Their is among the first owners in New York City pates in a wide variety of pledge is to reduce greenhouse gas (GHG) to participate. The CDP response is a public external reporting programs emissions by 30% over this 10-year initiative. commitment to carbon and risk manage- such as the Global Reporting This program includes commitments from ment transparency. To ensure that emissions Initiative (GRI), CDP, LEED, 11 Madison Avenue, tenants, and is in alignment with Mayor reductions are embedded in company 29th Floor Setback de Blasio’s goal to reduce citywide GHG operations, a 30% intensity reduction goal ENERGY STAR, and the NYC emissions 80% by 2050. was established for 2025. Mayorʼs Carbon Challenge. 2012 2014

POLICY 2017 "WE APPLAUD SL GREEN 2017

Goal FOR PROACTIVELY FRAMEWORK Goal

IMPROVING THE PERFOR- e 2 e e 2 SL Green contributes to the 80x50 Buildings Partnership, 2 e/SF e/SF e/SF 2 2 MANCE OF THEIR a collaborative effort from New York Cityʼs leading building and 2 0 mtCO 9 mtCO BUILDINGS, REDUCING energy stakeholders to develop a policy framework that reduces 8 mtCO citywide emissions. In tandem with this effort, SL Green crafted GHG EMISSIONS, AND climate policy alongside the Real Estate Board of New Yorkʼs 0.0093 mtCO 0.0069 mtCO 0.0065 mtCO 73,411,76 105,149,55 86,814,27 HELPING TO PROTECT Sustainability Committee and participated in the Mayorʼs Office of Sustainabilityʼs 80x50 technical working group. Carbon Challenge Emissions Carbon Emission Intensity THE HEALTH AND WELL-BEING OF ALL NEW YORKERS."

Mark Chambers Director New York City Mayor's Office of Sustainability SL GREEN REALTY CORP. 2018 SUSTAINABILITY REPORT CEO LETTER KEY ACHIEVEMENTS ENVIRONMENTAL SOCIAL GOVERNANCE PAGE 15

Environmental Sustainability LEED

750 Third Avenue SL Green has a long history OUR LEED STRATEGY of leading the pursuit of green Across the 6 properties that earned building designations, with LEED certifications in 2018, SL Green: LEED at the core of its strategy. Dating back to 2009, SL Green was among the first owners to adopt LEED for Existing Build- ings (EB) in New York City at 100 Implemented LEED Offset 16,675 MWh Park Avenue. When the new plans and policies across of electricity through 100% of properties. wind power. version 4 standard was introduced in 2016, 485 Lexington was one of the first buildings in the nation to achieve LEED EB. SL Green achieved LEED certifications span- Decreased average water Met sustainable criteria with ning 18 million square feet consumption by 33%, 76% of janitorial cleaning and 125 Park Avenue equating to over 8M gallons paper product purchases. historically, and its current port- of water saved annually. folio holds certifications across 810 Seventh Avenue 15 million square feet.

11 Madison Avenue

Certified: SL Greenʼs 2018 LEED Volume efforts reduced energy SL Green Corporate Office consumption by an average of 760,000 kWh/year. This is equiva- (Commercial Interiors), 304 Park Avenue South 55 West 46th Street lent to 560 metric tons of CO2 avoided per building, or:

Silver: 10 East 53rd Street, 110 East 42nd Street, 1185 AoTA, 485 Lexington Avenue, 635 AoTA, 810 Seventh Avenue 120 cars The energy to being removed power 61 homes from the road. for a year. Gold: 100 Church Street, 100 Park Avenue, 11 Madison Avenue, 125 Park Avenue, 1350 AoTA, 1515 Broadway, 220 East 42nd Street, 304 Park Avenue South, 360 Hamilton Avenue, 420 Lexington 14,582 tree Saving 63,311 Avenue, 461 Fifth Avenue, 521 seedlings growing gallons Fifth Avenue, 711 Third Avenue, 750 Third Avenue for 10 years. of gasoline. 110 East 42nd Street SL GREEN REALTY CORP. 2018 SUSTAINABILITY REPORT CEO LETTER KEY ACHIEVEMENTS ENVIRONMENTAL SOCIAL GOVERNANCE PAGE 17

Environmental Sustainability ENERGY STAR

ENERGY STAR is foundational to 2017 SL Greenʼs energy management program. 1 ENERGY STAR It is a measurement and verification tool Labels that enhances the quality, competitiveness, NYC and resiliency of the commercial portfo- 1. 100 Church Street 2. 100 Park Avenue lio. ENERGY STAR scores serve as the 3. 11 Madison Avenue catalyst SL Green uses to motivate its 4. 125 Park Avenue 5. 1350 AoTA building operators, property managers, 6. 1515 Broadway and tenants to pursue capital efficiency 8 6 7. 215 Park Avenue South (not shown) 3 8. 220 East 42nd Street projects and implement change. 2 9. 3 Columbus Circle 12 10. 420 Lexington Avenue 11. 485 Lexington Avenue 10 In recognition of its operational excel- 12. 461 Fifth Avenue lence, the U.S. Environmental Protection 13. 521 Fifth Avenue 13 14. 600 Lexington Avenue Agency (EPA) and the U.S. Department 15. 711 Third Avenue of Energy (DOE) awarded SL Green the 4 prestigious 2018 Partner of the Year — RECKSON (not shown) Sustained Excellence award. Only 1% 16. 1 International Drive 15 17. 2 International Drive of 16,000 EPA partners achieve Partner 18. 4 International Drive 11 19. 1055 Washington Boulevard of the Year, distinguishing SL Green as 20. 200 Summit Lake Drive a leader. 21. 500 Summit Lake Drive

14 5 9

SL GREEN ACHIEVED ENERGY STAR LABELS ACROSS 13.4 MILLION SQUARE FEET, REPRESENTING 9% OF ALL OF MANHATTANʼS LABELS. SL GREEN REALTY CORP. 2018 SUSTAINABILITY REPORT CEO LETTER KEY ACHIEVEMENTS ENVIRONMENTAL SOCIAL GOVERNANCE PAGE 19

Environmental Sustainability EFFICIENCY STRATEGY

OCCUPANCY SENSORS

Occupancy sensors in our portfolio provide foot traffic analytics. This allows the building engineers to adjust space conditions to maxi- mize efficiency and tenant comfort.

11 MADISON, ICE PLANT

“PRODUCING ICE DURING THE NIGHT AND USING IT FOR COOLING DURING THE DAY REDUCES DAYTIME ELECTRICITY USE. THIS ALLEVIATES THE STRAIN ON THE ELECTRICAL GRID AND LOWERS ENERGYDESK ENERGY COSTS.” “Our real-time energy management Ralph DiDomenico platform, EnergyDesk, facilitates Chief Engineer, 11 Madison Avenue direct building communication with SL Green Realty Corp. the Grid, our tenants, and ConEd, equipping our engineering staff with the ability to be responsive to the dynamic needs of New York City.”

Richard Currenti Senior Vice President, Director of Engineering SL Green Realty Corp.

$14.3 MILLION IN LIFETIME SAVINGS 1.4 MILLION POUNDS OF CARBON AVOIDED SL GREEN REALTY CORP. 2018 SUSTAINABILITY REPORT CEO LETTER KEY ACHIEVEMENTS ENVIRONMENTAL SOCIAL GOVERNANCE PAGE 21

COHNREZNICK CAPITAL 420 LEXINGTON AVENUE Environmental Sustainability PARTNERING WITH Through NYSERDAʼs Commercial Tenant Program, SL Green was able to provide a free energy analysis for OUR TENANTS our tenant at 420 Lexington Avenue, CohnReznick Capital — a renewable energy investment bank. Further Building long-lasting relationships with tenants and WELL certifications, incentives, and strengthening their commitment to sustainability, we is at the heart of SL Green’s business, beginning energy saving opportunities. Sustainability goals provided actionable insights, identified savings opportunities, and introduced technologies allowing their office with a commitment to support their environ- are achieved when landlords and tenants to achieve greater operational excellence. mental initiatives through data transparency and have shared accountability and a commitment green operational standards. SL Green’s team to corporate responsibility. is positioned to assist tenants in pursuing LEED

NY GREEN BANK

BLOOMBERG To implement the savings opportunities identified 919 THIRD AVENUE through NYSERDAʼs Commercial Tenant Program, SL Green is facilitating financing options for its Bloomberg integrates sustainability into every aspect tenants. SL Green is working with the NY Green of its business, including waste management. Bloomberg Bank to mobilize private capital for efficiency has established an aggressive goal of diverting 90% initiatives and technologies to be implemented of waste from landfill by 2020. Compost of organic in tenant spaces. waste is vital in order to achieve this goal. SL Green has instituted a unique operational schedule to accommodate Bloombergʼs composting program at 919 Third Avenue.

UN WOMEN 220 EAST 42ND STREET WITH OVER 100,000 Beginning their journey in April 2013, UN Women NEW YORKERS established the goal of achieving a LEED Commercial WORKING THROUGHOUT Interiors (CI) certification in their office space. Completion of UN Womenʼs 4th floor office renovation in 2018 made SL GREENʼS UN Women the first tenant at 220 East 42nd Street — PORTFOLIO, TENANT a U.S. national historic landmark building — to receive a LEED CI Certification. This achievement was made possible PARTNERSHIPS because SL Green pursued a base building LEED certification, which contributed the final five points required to ARE FUNDAMENTAL. make the UN Womenʼs LEED certification official. SL GREEN REALTY CORP. 2018 SUSTAINABILITY REPORT CEO LETTER KEY ACHIEVEMENTS ENVIRONMENTAL SOCIAL GOVERNANCE PAGE 23

Lynne-Courtney Hodges Vice President of Human Resources OUR SL Green Realty Corp. VISION FOR SOCIAL RESPONSIBILITY

At SL Green, employees are our greatest asset SL Green employees have been endowed with and are integral to the Company's success. the time and resources to contribute significantly We champion the growth of our people to their to the advancement of New York City. Our “TO ATTRACT AND highest potential by offering a wide array role as an active player in the development of of opportunities for education, training, and both our skyline, and the greater New York RETAIN A BEST-IN-CLASS TEAM, volunteerism. Employees are happiest, healthiest, community, confers a shared sense of fulfillment WE FOCUS ON TOTAL and most productive when immersed in a work that unifies our people. culture that prioritizes wellness and community. WELLNESS. THAT MEANS HEALTH, EDUCATION, COMMUNITY As the interest for social engagement has ENGAGEMENT, AND DIVERSITY grown, so has our commitment to shaping the workplace of the future. Our collective vision ARE AT THE FOREFRONT is to build a greater New York and leverage OF OUR PLANS.” our sphere of influence to inspire altruism. SL GREEN REALTY CORP. 2018 SUSTAINABILITY REPORT CEO LETTER KEY ACHIEVEMENTS ENVIRONMENTAL SOCIAL GOVERNANCE PAGE 25

Social Responsibility OUR PEOPLE

SL Green is focused on fostering a healthy work culture through talent attraction, professional development, and diversity and inclusion practices. Its success is a direct result of the Company’s best-in-class team and their dedication to excellence.

SL Green is committed to AN EMPLOYEE ENGAGEMENT SURVEY workplace diversity in all its forms, INDICATED THAT 90% OF EMPLOYEES with an employee population ARE PROUD TO WORK FOR SL GREEN that reflects a microcosm of the city itself. Our workforce rep- AND 91% ARE CONFIDENT THAT resents this diversity across race, SL GREEN OPERATES IN A SOCIALLY gender, and thought. RESPONSIBLE MANNER.

SL Green offers a robust benefits package that addresses physical, Corporate Personnel Gender Age mental, and financial wellness as equally important parts of a whole. Male Female Less than 30 – 50 More than The Companyʼs approach to curating this suite of benefits holds 30 years old years old 50 years old employee feedback and fulfillment as a central consideration. Total number of employees 159 147 69 161 76 SL Green conducts employee engagement surveys and uses employee Permanent 159 147 69 161 76 feedback to enhance its existing offerings. These initiatives address paid time off policy, parental leave, and voluntary benefits. Recent Temporary 0 0 0 0 0 feedback from employees resulted in the addition of a charitable Full-time 159 146 68 161 76 contribution match program and employer-sponsored volunteer days for all employees. Additionally, environmentally conscious fund Part-time 0 1 1 0 0 options were introduced to the Companyʼs 401(k) lineup, allowing SL Greenʼs team to align financial decisions with personal values.

50% OF SL GREEN'S CORPORATE AND BUILDING PERSONNEL ARE REPRESENTED BY RACIAL MINORITIES SL GREEN REALTY CORP. 2018 SUSTAINABILITY REPORT CEO LETTER KEY ACHIEVEMENTS ENVIRONMENTAL SOCIAL GOVERNANCE PAGE 27

Social Responsibility LIVING GREEN

The office of the future is not only sustainable and energy efficient, but it is also an environment that facilitates work-life balance and wellness for occupants. “OUR GOAL IS TO OFFER SL Green provides tenants with THE MOST AMENITIZED premier experiences. The result AND ADVANCED SPACES FOR is Living Green, a program that offers a suite of wellness TENANTS LOOKING amenities including yoga, TO GROW THEIR BUSINESS meditation, educational speak- AND PROVIDE THEIR EMPLOYEES ing events, and health-food pop-ups in partnership with WITH A TOP-OF-THE-LINE Better Spaces. Through this WORK EXPERIENCE.” program, standard office spaces 420 LEXINGTON AVENUE will be redefined to create a Steven Durels Executive Vice President, culture of community, produc- Director of Leasing and Real Property tivity, and health. SL Green Realty Corp.

“LIVING GREEN IS IN LINE WITH THE TYPES OF AMENITIES THAT OUR EMPLOYEES 220 EAST 42ND STREET 635-641 AOTA 118 5 AOTA REQUEST AND DESERVE."

ABN AMRO Tenant 100 Park Avenue

711 THIRD AVENUE 485 LEXINGTON AVENUE 110 GREENE STREET SL GREEN REALTY CORP. 2018 SUSTAINABILITY REPORT CEO LETTER KEY ACHIEVEMENTS ENVIRONMENTAL SOCIAL GOVERNANCE PAGE 29

Social Responsibility COMMUNITY ENGAGEMENT

Volunteerism and philanthropy are ingrained in SL Greenʼs ethos. SL Greenʼs events touch and inspire over 150,000 New Yorkers. Partnering with tenants extends SL Greenʼs reach and collectively makes a significant impact on the surrounding community.

130 EVENTS

AWARDED THE 900 CHILDREN AT 2,000 POUNDS CHANGEMAKER AWARD BELLEVUE HOSPITAL OF FOOD RECEIVE SL GREENʼS COLLECTED BY THE NYC TOY DONATIONS MAYORʼS OFFICE OF SERVICE IN RECOGNITION OF SL GREENʼS VOLUNTEERISM AND PHILANTHROPIC EFFORTS (2018). $1 MILLION IN CHARITABLE CONTRIBUTIONS SL GREEN REALTY CORP. 2018 SUSTAINABILITY REPORT CEO LETTER KEY ACHIEVEMENTS ENVIRONMENTAL SOCIAL GOVERNANCE PAGE 31

OUR VISION FOR STRONG GOVERNANCE

SL Green conducts its business in accor- Companies are expected to epitomize corpo- dance with the highest moral, legal, and rate citizenship and adopt socially responsible ethical standards. Our reputation for integrity practices. Building meaningful relationships is the backbone of the public’s confidence in with our stakeholders is earned through clear our Company. and open communication, which is an integral component to our governance strategy. Itʼs no longer enough to focus solely on financial performance. Management must address There is a shared accountability among “TRUST FROM OUR all material environmental, social, and gover- SL Green’s employees to operate in accor- nance issues that affect our business. We at dance with the highest level of ethics. STAKEHOLDERS IS BUILT SL Green hold ourselves to the highest stan- ON TRANSPARENCY.” dard through regulatory compliance, policies, and stakeholder engagement.

Edward V. Piccinich Chief Operating Officer SL Green Realty Corp. SL GREEN REALTY CORP. 2018 SUSTAINABILITY REPORT CEO LETTER KEY ACHIEVEMENTS ENVIRONMENTAL SOCIAL GOVERNANCE PAGE 33

Strong Governance MANAGEMENT PRINCIPLES

SL Greenʼs risk management framework is built on sound governance. Policies governing environmental, social, and governance topics ensure SL Greenʼs operations balance financial responsibility with corporate citizenship. Additional policies can be accessed from SL Greenʼs website: www.slgreen.com/sustainability.

EMBRACING STEWARDSHIP ENSURING THE WELL-BEING OF IMPLEMENTING SOUND OF THE ENVIRONMENT STAKEHOLDERS, EMPLOYEES, AND TENANTS GOVERNANCE PRACTICES

EMISSIONS REDUCTION DIVERSITY SHAREHOLDER ENGAGEMENT BUSINESS ETHICS SL Greenʼs commitment to creating a greener footprint SL Green cultivates a diverse workforce that is inclusive As per the rules of the Securities and Exchange SL Greenʼs Code of Business Conduct and Ethics includes reducing emissions across our properties. and encourages employees to collaborate and contribute, Commission, stockholders are permitted to submit addresses compliance with applicable laws, conflicts of We work with tenants, employees, and other stakeholders regardless of race, color, religion, national origin, sex, proposals to be included in our proxy materials if the interest, use and protection of the Companyʼs assets, to realize these goals by setting targets, providing sexual orientation, age, disability, veteran status, or other stockholder and the proposal satisfy the requirements confidentiality, as well as communications with the public, resources, building awareness, supplying tools, creating characteristic protected by law. specified in Rule 14a-8 under the Exchange Act. accounting matters, records retention, fair dealing, effective monitoring strategies, and monitoring our discrimination, harassment, and health and safety. progress and achievements. SL Green has set a target for HEALTH AND SAFETY WHISTLEBLOWER PROGRAMS a 30% intensity reduction in Scope 1, 2, and 3 (down- SL Green is committed to protecting, and aims to SL Greenʼs Board Audit Committee has established ANTI-BRIBERY AND CORRUPTION stream) CO e per square foot, with a baseline of 2012, 2 improve, the health, safety, and well-being of our procedures for the receipt, retention, and treatment SL Green is committed to operating our business in and a target year of 2025. employees, tenants, vendors, and communities through of complaints received regarding accounting, internal accordance with the highest moral, legal, and ethical active engagement, education, and deployment of accounting controls, or auditing matters and the standards. No employee should ever receive a payment EFFICIENT USE OF NATURAL RESOURCES various programs and resources. confidential and anonymous submission by our or anything of value in exchange for a decision involving SL Green is committed to environmentally sustainable employees of concerns regarding questionable the Companyʼs business, and no employee should offer initiatives and innovation that deliver energy and natural accounting or auditing matters. anything of value to government officials or others COMMUNITY INVOLVEMENT resource efficiency. We continue to introduce a broad to obtain a particular result. This entails proactively connecting our properties to platform of market-leading initiatives to address energy the local community and engaging with, and incorporating DATA PRIVACY usage and natural resource consumption that deliver value feedback from, city and neighborhood leaders, law SL Green is committed to guard the personal information FAIR COMPETITION for our business, tenants, and community. enforcement, transportation and public safety officials, shared with us to ensure the content and services that we SL Green is committed to dealing fairly with its tenants, planners, local business groups, chambers of commerce, provide are always tailored to a userʼs current, designated contractors, suppliers, employees, and other third parties. CREATING ENVIRONMENTAL AWARENESS schools, libraries, charities, resident associations, preferences. SL Green does not offer or allow the selling SL Green is committed to regularly promoting environ- and philanthropies. of any user-provided information to third parties. mental awareness among our tenants, employees, industry, local communities, and other stakeholders. SL GREEN REALTY CORP. 2018 SUSTAINABILITY REPORT CEO LETTER KEY ACHIEVEMENTS ENVIRONMENTAL SOCIAL GOVERNANCE PAGE 35

Strong Governance Strong Governance STAKEHOLDER ENGAGEMENT MATERIALITY

SL Green identifies stakeholders as those who affect SL Greenʼs business, In 2017, SL Green performed a continues to engage stakeholders fell outside the top quartile but and those who are potentially affected by the business. The following table complete materiality assessment on an ongoing basis. While targeted were nevertheless important to the includes examples of topics raised by SL Greenʼs stakeholders: that was informed by stakeholder engagement was not undertaken Company and its stakeholders. The engagement processes. SL Green solely for the purpose of this report, SL Green executive team reviewed determined that the topics identified ongoing stakeholder engagement the topics and approved the inclu- as material to the Company increased continues to inform reporting content. sion of them in this yearʼs report. Stakeholder Engagement Engagement Topics from 2016 to 2017. A detailed The topics cover environmental, Group Frequency Method Raised description of the materiality assess- As part of the materiality assessment, social, and governance aspects and ment process is presented below. a quantitative analysis was performed include several metrics from the Board of Directors Annual  Sustainability Report Energy, Emissions, Water, Effluents and Waste, Local to rank all aspects based on impor- real estate sector supplement. The  Institutional Investor Conference Community, Economic Performance, Environmental  Annual Presentation Compliance, Socioeconomic Compliance SL Greenʼs materiality assessment tance to, and potential impact on, chosen aspects were then paired involved highlighting the sustainability SL Green and priority stakeholders. with the respective GRI key perfor- Employees Ongoing  Annual Company Luncheon Freedom of Association and Collective Bargaining, topics that were most meaningful mance indicators in the materiality  Employee Satisfaction Survey Diversity, Nondiscrimination, Equal Pay, Occupational to stakeholders and relevant to the SL Green chose to include the matrix below:  Ongoing Program Updates Health and Safety, Employment, Training and Education,  Training and Education Child Labor, Forced or Compulsory Labor, company. To initiate the materiality material topics — those which fell  Volunteerism Labor/Management Relations process and substantiate the chosen in the top quartile of the materiality material topics, SL Green engaged matrix — and an assortment of Executive Team Monthly  Annual Presentation Energy, Emissions, Water, Effluents and Waste, Local priority stakeholders in 2017 and nonmaterial topics — those which  Institutional Investor Conference Community, Economic Performance, Environmental  Quarterly Status Reports Compliance, Socioeconomic Compliance  Sustainability Report

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

Importance to Stakeholders to Importance Assessment; Biodiversity Sustainability Ongoing  Energy Management Energy, Emissions, Water, Environmental Compliance, Consultant  Green Building Certification Effluents and Waste, Public Policy, Supplier Environment  Sustainability Policy Development Assessment

Tenants Ongoing  Town Hall Meetings Security, Customer Health and Safety, Materials, Energy,  Tenant Satisfaction Survey Emissions, Procurement Practices, Customer Privacy  Newsletter and Webinar  Green Building Certification Impact of SL Green SL GREEN REALTY CORP. 2018 SUSTAINABILITY REPORT

About This Report Reporting Properties About SL Green

This is SL Greenʼs sixth annual sustainability from the total electricity and steam usage found  10 East 53rd Street SL Green Realty Corp., an S&P 500 company report, which covers the 2017 calendar year. This in aggregate building data. Scope 3 consump-  100 Church Street and New York Cityʼs largest office landlord, is report is “In Accordance — Core” with the GRI tion and emissions were calculated by taking  100 Park Avenue a fully integrated real estate investment trust, Standards framework and includes disclosures the aggregate on-site emissions factors (fuel  11 Madison Avenue or REIT, that is focused primarily on acquiring, from the Construction and Real Estate (CRE) oil, natural gas, and refrigerant) as well as  110 East 42nd Street managing and maximizing value of Manhattan Sector Supplement. The GRI Content Index can aggregate distributed energy (electricity and  1185 AoTA commercial properties. As of June 30, 2018, the be found at www.slgreen.com/sustainability. steam) and removing base building fuel,  125 Park Avenue Company held interests in 116 Manhattan refrigerant, electricity, and steam usage. Waste  1350 AoTA buildings totaling 49.3 million square feet. This SL Green collected available data from all amounts were determined by taking the total  1515 Broadway included ownership interests in 28.3 million properties listed in which the Company maintains waste removed from the site and the individual  220 East 42nd Street square feet of Manhattan buildings and debt direct operational control, including those in New diversion quantities reported from the waste  304 Park Avenue South and preferred equity investments secured by York City and in the greater New York metropoli- hauler on a monthly basis. The waste diversion  420 Lexington Avenue 21.1 million square feet of buildings. tan area. Data from subsidiaries, leased facilities, was calculated by taking the total diverted  461 Fifth Avenue outsourced operations, and other entities are amount for the year and dividing by the sum of  485 Lexington Avenue In addition, the Company held ownership not included in this report. In order to compile a landfill plus diverted waste for the year. Water  521 Fifth Avenue interests in 21 suburban buildings totaling complete and accurate set of data to report data was collected by gathering aggregate  555 West 57th Street 2.9 million square feet in Brooklyn, Westchester on environmental performance, SL Green hired water data. Refrigerant emissions were calculated  625 Madison Avenue County, and Connecticut as part of the Sustainable Investment Group, a sustainability by collecting a list of equipment within each  635 AoTA Reckson portfolio. Reckson Associates Realty consulting firm, to collect, analyze, and report building and the refrigerant capacity of the system  641 AoTA Corp., or Reckson, and Reckson Operating on each data metric. Sustainable Investment as well as any leaks. If a piece of equipment did  711 Third Avenue Partnership, L.P., or ROP, are wholly-owned Group worked with SL Green management and not have leaks, a 0.5% leakage rate was assumed  750 Third Avenue subsidiaries of SL Green Realty Corp. SL Green building staff, service providers, and utilities to to match LEED O+M standard. The square  810 Seventh Avenue incorporates Environmental, Social, collect data for energy and water consumption, footage of each building was sourced from the  919 Third Avenue and Governance considerations into all new greenhouse gas (GHG) emissions, and waste data. reported gross square footage of each building  100 Summit Lake Drive investment decisions. as reported in annual Benchmarking Report  1010 Washington Boulevard The GHG inventory process was performed under Local Law 84.  1055 Washington Boulevard As of December 31, 2017, SL Green had in accordance with quantification methodologies  200 Summit Lake Drive 1,065 full-time employees, 212 of whom were of the GHG Protocol. Data collection methods The 2017 environmental performance  360 Hamilton Avenue managers and professionals, 754 of whom are shown below. After all data was collected, (energy, water, waste, and emissions) of the  500 Summit Lake Drive were hourly-paid employees involved in building Sustainable Investment Group converted portfolio was compared with 2016 environmen-  King Street Buildings 1-6 operations and 99 of whom were clerical, data the energy consumption quantities into carbon tal performance. Data collection methodologies  Landmark Square Buildings 1-7 processing, and other administrative employees. emissions using industry standard emissions were unchanged between these two years, but factors and global warming potentials published there were a few differences with the emissions by the GHG Protocol. If any data was not available, calculations. The first was the use of an updated estimates were used as needed. emissions factor for district steam from the utility. The second difference is that refrigerant Data was collected by requesting aggregate emissions were calculated using actual leakage or a utility data from Consolidated Edison that minimum of 0.5% per LEED O+M requirements. captured all energy used by each property. In addition, tenant utility data was collected The contact person for this report is Laura Vulaj, directly from the tenants via direct meters Senior Vice President, Operations and Director and/or submeters. Scope 1 consumption of Sustainability ([email protected]). and emissions were calculated by taking the aggregate on-site emissions factors (fuel oil, natural gas, and refrigerant) and removing tenant fuel and refrigerant usage found in Scope 3. Scope 2 consumption and emissions were calculated in similar fashion by subtracting the tenant distributed energy (electricity and steam) SL Green Realty Corp. 420 Lexington Avenue, New York, NY 10170 212.594.2700 www.slgreen.com