10E53rd-TB

BUILDING ENTRANCE

BUILDING LOBBY

PENTHOUSE/37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 11 12 10

STACKING PLAN

9 8 7 6 5 4 3 2

Available

PREBUILD

PREBUILD PANTRY

ELEVATOR LOBBY

PENTHOUSE 37TH FLOOR TENANT RECEPTION

PENTHOUSE 37TH FLOOR TENANT CONFERENCE ROOM

PENTHOUSE 37TH FLOOR TENANT OFFICE

BATHROOMS

10 E. 53 rd Street

E

Exis

ENTIRE 11TH FLOOR — 8,462 RSF EXISTING CONDITIONS

FLO Win Inte Con Wo Ori Rec Pan

Howard J. Tenenbaum, EVP | 212.216.1685 | howard.tenenbaum@slgreen.com Gary M. Rosen, Senior Managing Director | 212.216.1687 | gary.rosen@slgreen.co

All information is from sources deemed reliable and is submitted subject to errors, omissions, change of price, rental, prior sale and

FLOOR KEY: Tota l Of f i ces Workstat ions

9

16

Conference Rooms 3 Or i entat ion/Screening Room 1 Recept ioni st 1 Tota l Personne l 26

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11th FLOOR TERRACE

ENTIRE 11TH FLOOR — 8,462 RSF CORE AND SHELL

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SUITE 1401 — 1,868 RSF EXISTING CONDITIONS

FLOOR KEY: Tota l Of f i ces Workstat ions

1 8 1 1 1

Conference Rooms

Recept ioni st

Pant ry

Tota l Personne l

10

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ENTIRE 24TH FLOOR — 8,339 RSF PROPOSED LAYOUT

FLOOR KEY: Tota l Of f i ces Workstat ions

9

13

Conference Rooms

2 1 ?

Recept ioni st

Tota l Personne l

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ENTIRE 29TH FLOOR - 8,925 RSF CORE AND SHELL

UP

DN

UP

DN

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SUITE 3000 — 3,538 RSF EXISTING CONDITIONS

FLOOR KEY: Tota l Of f i ces Workstat ions

2

15

Conference Rooms

1 1 1 ?

Recept ioni st

Pant ry

Tota l Personne l

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SUITE 3001 — 1,472 RSF EXISTING CONDITIONS

wi

Suite 3001 Existing Conditions with Sample Furniture 1,472 RSF

FLOOR KEY Total Oces

1

Conference Rooms

1

Workstations

4

Receptionist

1

Pantry

1

FLOOR KEY: Tota l Of f i ces Workstat ions

1 4 1 1 1 ?

Conference Rooms

Recept ioni st

Pant ry

Tota l Personne l

Click here for more information

PENTHOUSE ENTIRE 37TH FLOOR - 8,925 RSF EXISTING CONDITIONS

10 E. 53 rd Street

Enti Existing w

FLOOR KE Windowed Conferenc Worksta ti Recep ti on Pantry

Howard J. Tenenbaum, EVP | 212.216.1685 | howard.tenenbaum@slgreen.com Gary M. Rosen, Senior Managing Director | 212.216.1687 | gary.rosen@slgreen.com

All information is from sources deemed reliable and is submitted subject to errors, omissions, change of price, rental, prior sale and withdr

FLOOR KEY: Tota l Of f i ces Workstat ions

7

27

Conference Rooms

3 1 1

Recept ioni st

Pant ry

Tota l Personne l

35

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PENTHOUSE ENTIRE 37TH FLOOR - 8,925 RSF CORE AND SHELL

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TYPICAL TOWER FLOOR — 8,925 RSF TYPICAL TOWER FLOOR - 8,925 RSF OPEN LAYOUT

OPEN PLAN LAYOUT

CAFE

FLOOR KEY: Pr i vate Of f i ces

4

Workstat ions

59

Recept ioni st

1

Conference Rooms

2

Café

1

Copy/Pr int Areas

1

Server

1

Tota l Personne l

64

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TYPICAL TOWER FLOOR - 8,925 RSF OFFICE INTENSIVE LAYOUT - OPTION 1

TYPICAL TOWER FLOOR — 8,925 RSF

OFFICE INTENSIVE LAYOUT - OPTION 1

CAFE

FLOOR KEY: Pr i vate Of f i ces

13

Workstat ions

16

Recept ioni st

1

Conference Rooms

2

Café

1

Copy/Pr int Areas

1

Server Room

1

Tota l Personne l

30

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TYPICAL TOWER FLOOR - 8,925 RSF OFFICE INTENSIVE LAYOUT - OPTION 2

TYPICAL TOWER FLOOR — 8,925 RSF

OFFICE INTENSIVE LAYOUT - OPTION 2

CAFE

FLOOR KEY: Pr i vate Of f i ces

13

Workstat ions

27

Recept ioni st

1

Conference Rooms

2

Café

1

Copy/Pr int Areas

1

IT Room

1

Tota l Personne l

41

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NEIGHBORHOOD MAP

CLUBS AND ASSOCIATIONS RESTAURANTS/MARKETS HOTELS RETAIL

BUILDING SPECIFICATIONS

location

Entrances on both 52nd and 53rd Streets between Madison and Fifth Avenue

year built

1971

architect

Emery Roth & Sons

building size

392,849

building height

Thirty-seven (37) Floors

building construction

Structural steel frame construction, comprised of columns, girders and beams encased in concrete The facade is a curtain wall system of bronze duranotic aluminummullions and spandrel panels with tinted glass A recently completed building wide $50M redevelopment includes the following: • New lobby integrated with dramatic interior arcade • New plazas with abundant green space • New elevator cabs • New windows • Upgrades to building infrastructure • New first class bathrooms

floor sizes

Floor 2 Floor 3

9,921 rsf 11,997 rsf 16,406 rsf

Floors 4-9

Floors 11-37

8,462-8,926 rsf

floor load

50 pounds per square foot

typical slab heights

11’ 6”

column spacing

21’ on center

elevators

Nine (9) passenger cars, one (1) freight elevator car Loading dock located on 52nd Street side of the building

hvac / supplemental

The building HVAC system is a central chilled water plant with constant volume The fan system consists of two (2) 650 ton York high pressure steam paraflow absorbers Perimeter steam heat supplied from Con Edison Operating hours are Monday-Friday 8:00 AM - 8:00 PM

cooling

electric

The building is fed by two (2) Con Edison feeds from an electrical vault on 53rd Street Approximately six (6) watts per square foot (exclusive of base building HVAC) is allocated for tenant use

life / safety

• Class E fire alarm system (Notifier CPU2-3030D) • The systemmonitors heat sensitive sprinkler heads, tamper and flow devices, smoke detectors, smoke trip devices, alarm and strobe devices, stairwell pressurization fans, and elevator recall and door releases • The system also has communication capabilities and is tied into the PA System and warden phones are provided at the passenger elevator lobbies throughout the building and also at the freight elevator lobby

security / access

The building security desk is manned 24 hours a day, 7 days a week Turnstiles with access cards for tenants in the lobby CCTV surveillance in public areas and all elevators

telecom / cable

Verizon, AT&T, Spectrum, Crown Castle/Lightower and Cablevision, Cogent Wired Certified Gold, DAS

transportation

The building is located in close proximately to the 6,E,M,B,D and F subway lines

amenities

Equinox “E Club” and Blue Bottle Coffee located in building Landscaped public seating adjacent to both 53rd and 52nd Street entrances to the building

SUSTAINABILITY AT SL GREEN

HIGHLIGHTS

AIR • HVAC systems are equipped with MERV-15 media filters that capture airborne particles, exceeding the requirements of New York City’s Energy Code. • Mechanical systems increase the supply of outdoor air and continuously cycle fresh, filtered air throughout the building. • Base building air quality is assured by WellStat, a monitoring system that provides real-time air quality levels that measure indicators including carbon dioxide, particulate matter, VOCs, temperature, humidity, and more. • Building staff are required to use low VOC emitting products including solvents, carpets, adhesives, paints, and coatings to maintain optimal indoor air quality. BUILDING HEALTH & SAFETY • 10 East 53rd Street is WELL Health-Safety Rated, under an evidence-based, third-party verification of the effectiveness of our operational and maintenance protocols. • Janitorial staff conduct high frequency cleaning and sanitization using green cleaning products. • Construction materials used at 10 East 53rd Street are LEED-compliant, recycled, responsibly sourced, and non-toxic. • SL Green provides training on emergency preparedness and workplace safety to building occupants and coordinates response drills quarterly. ENERGY • 10 East 53rd Street is equipped with automated control systems. • LED lighting systems are installed throughout building common areas to increase energy efficiency. • SL Green’s Engineering team uses a real-time energy management platform (iES EnergyDesk) to monitor energy use in 15-minute intervals and respond to building conditions promptly. • SL Green invests in capital upgrades and commissions building systems to ensure they are maximining performance. RECYCLING • 10 East 53rd Street deploys a color-coordinated recycling procedure to minimize waste sent to landfills. • We conduct annual waste audits to identify areas for waste diversion improvement and develop corrective action plans. • We offer free recycling training sessions to tenants. • Janitorial staff uses double-barrel waste bins to ensure waste streams remain separated and are trained annually to maintain recycling best practices. • We offer complimentary e-waste pick-up to tenants to ensure materials are properly recycled. WATER • Existing toilets, urinals, faucets, and showers have been upgraded with low-flow fixtures, performing 20% above code requirements for water conservation. • Building engineers review water logs daily to compare trends and identify potential water loss. • SL Green disinfects cooling towers twice a year and conducts testing for legionella bacteria every 90 days.

SUSTAINABILITY AT SL GREEN

BUILDING ACHIEVEMENTS

TENANT PARTNERSHIPS

We support tenant sustainability reporting through data sharing across energy, emissions, water, and waste. • SL Green partners with tenants to pursue a free energy analysis through the NYSERDA Commercial Tenant Program which helps to identify energy saving opportunities within tenant spaces. • We promote recognition of tenant sustainability practices through the Tenant ENERGY STAR program.

ORGANIZATIONAL SOCIAL RESPONSIBILITY

Company-wide ESG Initiatives

• Set ambitious sustainability targets, including: a portfolio-wide greenhouse gas emissions intensity reduction of 30% by 2025; whole building energy consumption reduction of 20% by 2030; recycling rate of 50% by 2025 • Bloomberg ESG Disclosure score among “Top 5” of all REITs listed on the Russell 1000 Index • Top Quartile on Refinitiv (formerly Thomson Reuters) ESG performance among all Commercial REITs globally • MSCI’s Environment Category Top 25% Ranking (Opportunities in Green Buildings, 2019, 2020, 2021) • Achieved a “5 Star” rating on GRESB, the organization’s highest accolade • S&P Global 1200 ESG Index & FTSE4Good Index series constituent • CDP’s Climate Change Questionnaire score of “B” for 2020 – tied for highest among U.S. Office REITs • State Street’s R-Factor Score “Outperformer” ranking • Among the 1% of recipients who achieved “ENERGY STAR Partner of the Year – Sustained Excellence” (2018, 2019, 2020, 2021) • Annual voluntary ESG disclosures through leading frameworks SASB, GRI, CDP, S&P CSA (DJSI), FTSE Russell • Seeded Food1st Foundation, a not-for-profit organization with a $1.5M investment, which has resulted in over 600,000 meals donated to food-insecure New Yorkers and first responders • NYC Mayor’s Office of Service “Changemaker Award” in recognition of SL Green’s volunteerism and philanthropic efforts (2018, 2019, 2020)

For more information, visit sustainability.slgreen.com or email sustainability@slgreen.com.

WE ARE READY TO WELCOME OUR TENANTS BACK TO THE OFFICE CLEANING PRIORITIES — SL Green regularly performs cleaning and disinfecting of facilities, shared surfaces and objects, and other common areas, using Department of Environmental Conservation products identied by the Environmental Protection Agency as effective against COVID-19. — SL Green cleaning staff will target frequently touched building surfaces in:

PRESS PLAY ON YOUR DAY-TO-DAY

SL Green Forward is our ongoing effort to ensure maximum safety, cleanliness, and wellness programs for our tenants. It is an extension of our best-in-class strategy to provide a healthy environment throughout our portfolio.

2 Common Area Doorways

1 Building Lobbies

4 Freight Elevators

3 Passenger Elevator Cabs

Your safety and well- being are SL Green’s number one priority.

6 Shared Amenity Spaces

5 Multi-Tenant Bathrooms

We are taking extra precautions to ensure we are doing our part. Be on the lookout for friendly reminders and guidelines posted throughout the building. These small adjustments will help us all press play on our daily routines.

8 Mailroom /Messenger Center

7 Common Corridors

10 Common Area / Floors

9 Visitor Center

WE ARE READY TO WELCOME OUR TENANTS BACK TO THE OFFICE

PRESS PLAY ON YOUR DAY-TO-DAY

Cleaning Priorities

ENTRY EXPERIENCE

BUILDING ENHANCEMENTS & PROTOCOLS

— Maintain recommended distancing in all public spaces. — Frontline security personnel and concierge staff trained to enforce new policies and protocols . — Face coverings are required for everyone in public areas , lobbies, elevators, bathrooms on multi-tenant oors, amenity spaces, and other shared spaces. — Every building’s lobby desk will be stocked with masks for those who need. — Protective glass barriers positioned at lobby desks. — Now utilizing state-of-the-art, noninvasive thermal- temperature imaging . This system does not track facial biometrics, nor does it maintain temperature data. — Individuals with a temperature of 100.4ºF or greater will be asked to move to a secondary screening area for further steps. — All employees and visitors must be screened . Under current New York guidance, tenants are required to screen daily all of their employees, their visitors, and any vendors working in their rental space. — Existing contactless turnstiles are being upgraded with Bluetooth technology to create a seamless experience using mobile devices. — Floor markers and door signage will direct foot trafc and help maintain social distancing in lobbies and elevators. — Floor decals placed in all elevators to promote distancing. — Digital Captivate elevator screens feature latest building procedures . — Signs and handouts detailing new protocols and hands- free practices posted throughout SL Green properties. — Hand sanitizer dispensers available at lobby desks and outside of multi-tenant oor bathrooms. — All non-essential common areas will be temporarily unavailable.

— SL Green utilizes enhanced hygiene, cleaning and disinfection specications. — SL Green regularly performs cleaning and disinfecting of facilities, shared surfaces and objects , and other common areas using Department of Environmental Conservation products identied by the Environmental Protection Agency as effective against COVID-19. — Optional cleaning services offered to tenants for added disinfection and protection solutions, such as BioProtect and Bipolar Ionization. — SL Green will establish designated space in lobby areas for personal food, ower, or other similar deliveries. — Everyone using the freight elevator will be scanned for temperature with a handheld thermal device and subject to screening. — Construction contractors must comply with the Construction Activities during the COVID-19 Public Health Emergency. — All buildings across the portfolio have increased ventilation with earlier start-up times for SL Green operated air handling units to circulate outside air prior to occupancy. — managed portfolio utilizes MERV 15 or greater air lters , and the remainder of the portfolio will be upgraded to a minimum of MERV 13 air lters. — Air cleaners will be strategically placed throughout lobbies with 9-stage VOC HEPA lters to capture 99.99% of particles. — Where possible, we implemented passive doors for multi-tenant bathrooms to push open and installed hands-free bathroom xtures. — All operations, facility decisions, and policies of our portfolio, including annual testing for incoming water quality, are aligned with the WELL Building Standard . — SL Green Property Management should be informed immediately of any conrmed or suspected exposure in the workplace, including if an employee has been sent home due to reported symptoms.

CORPORATE PROFILE

SL Green Realty Corp., Manhattan'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 March 31, 2021, SL Green held interests in 84 buildings totaling 37.8 million square feet . This included ownership interests in 28.3 million square feet of Manhattan buildings and 8.7 million square feet securing debt and preferred equity investments.

Gary Rosen, Sr. Managing Director 212.216.1687 gary. rosen@slgreen.com

Howard Tenenbaum, Executive VP 212.216.1685 howard.tenenbaum@slgreen.com

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