Business Description

SL Green Realty Corp. is a self-managed real estate investment trust, or REIT, primarily engaged in the ownership, management, operation, acquisition, development, redevelopment, repositioning and financing of commercial real estate properties, principally office properties, located in the New York metropolitan area, principally in Manhattan, a borough of New York City. We were formed in June, 1997 for the purpose of continuing the commercial real estate business of S.L. Green Properties, Inc., our predecessor entity. As of December 31, 2025, we owned the following interests in properties in the New York metropolitan area, primarily in midtown Manhattan. Our investments located outside of Manhattan are referred to as the Suburban properties: Consolidated Unconsolidated Total Location Property Type Number of Properties Approximate Square Feet Number of Properties Approximate Square Feet Number of Properties Approximate Square Feet Weighted Average Leased Occupancy (1) Commercial: Manhattan Office 16 9,480,852 10 13,868,633 26 23,349,485 93.0 % Retail 5 313,347 — — 5 313,347 84.8 % Development/Redevelopment 5 (2) 1,249,983 — — 5 1,249,983 N/A 26 11,044,182 10 13,868,633 36 24,912,815 92.9 % Suburban Office 6 732,800 — — 6 732,800 79.4 % Total commercial properties 32 11,776,982 10 13,868,633 42 25,645,615 92.5 % Residential: Manhattan Residential 1 (2) 363,237 1 221,884 2 585,121 98.7 % Total core portfolio 33 12,140,219 11 14,090,517 44 26,230,736 92.6 % Alternative Strategy Portfolio — — 5 2,509,307 5 2,509,307 59.3 % (1) The weighted average leased occupancy for commercial properties represents the total leased square footage divided by total square footage at acquisition. The weighted average leased occupancy for residential properties represents the total leased units divided by total available units. Properties under construction are not included in the calculation of weighted average leased occupancy. (2) As of December 31, 2025, we owned a building at 7 Dey Street / 185 Broadway that was comprised of approximately 140,382 square feet of residential space and approximately 50,206 square feet of office and retail space. For the purpose of this report, we have included this building in the number of residential properties we own. However, we have included only the residential square footage in the residential approximate square footage, and have listed the balance of the square footage as development square footage. As of December 31, 2025, we also managed one office building and one retail building owned by third parties encompassing approximately 0.4 million square feet. Our corporate offices are located in midtown Manhattan at One Vanderbilt Avenue, New York, New York 10017. As of December 31, 2025, we employed 1,289 employees, 337 of whom were employed in our corporate offices. We maintain a website at www.slgreen.com and can be contacted by email at [email protected]. On our website, you can obtain, free of charge, a copy of our annual reports on Form 10-K, quarterly reports on Form 10-Q, current reports on Form 8-K and amendments to those reports filed or furnished pursuant to Section 13(a) or 15(d) of the Exchange Act as soon as reasonably practicable after we file such material electronically with, or furnish it to, the Securities and Exchange Commission, or the SEC. We have also made available on our website our audit committee charter, compensation committee charter, nominating and corporate governance committee charter, code of business conduct and ethics and corporate governance principles. We do not intend for information contained on our website to be part of this annual report on Form 10-K. The SEC maintains a website (http://www.sec.gov) that contains reports, proxy and information statements, and other information regarding issuers that file electronically with the SEC. 4 Table of Contents Unless the context requires otherwise, all references to the "Company," "SL Green," "we," "our" and "us" in this annual report means SL Green Realty Corp., a Maryland corporation, and one or more of its subsidiaries, including the Operating Partnership, or, as the context may require, SL Green only or the Operating Partnership only, and "S.L. Green Properties" means S.L. Green Properties, Inc., a New York corporation, as well as the affiliated partnerships and other entities through which Stephen L. Green historically conducted commercial real estate activities.…