<div id="readability-page-1"><article>LOS ANGELES--(BUSINESS WIRE)--Kilroy Realty Corporation (NYSE: KRC) (&#34;Kilroy” or the “Company”) announced today the 2025 tax treatment of its dividend distributions. The Company's total dividend distributions per share of common stock (CUSIP #49427F108) are to be classified for income tax purposes as follows:<table><tbody><tr><td colspan="1" rowspan="1">Record Date</td><td colspan="1" rowspan="1">Payable Date</td><td colspan="1" rowspan="1">Total Distribution per Share</td><td colspan="1" rowspan="1">Total Distribution Attributable to 2025</td><td colspan="1" rowspan="1">2025 Taxable Ordinary Dividend</td><td colspan="1" rowspan="1">2025 Total Qualified Dividend (1)</td><td colspan="1" rowspan="1">2025Total Capital Gain Distribution (2)</td><td colspan="1" rowspan="1">2025 Unrecaptured Section 1250 Gain (3)</td><td colspan="1" rowspan="1">2025 Return of Capital</td><td colspan="1" rowspan="1">2025 Section 199A Dividends (4)</td></tr><tr><td colspan="1" rowspan="1">12/31/2024</td><td colspan="1" rowspan="1">1/8/2025</td><td colspan="1" rowspan="1">$0.5400000</td><td colspan="1" rowspan="1">$0.5400000</td><td colspan="1" rowspan="1">$0.3582272</td><td colspan="1" rowspan="1">$0.0003708</td><td colspan="1" rowspan="1">$0.1190393</td><td colspan="1" rowspan="1">$0.1095678</td><td colspan="1" rowspan="1">$0.0627335</td><td colspan="1" rowspan="1">$0.3578564</td></tr><tr><td colspan="1" rowspan="1">3/31/2025</td><td colspan="1" rowspan="1">4/9/2025</td><td colspan="1" rowspan="1">$0.5400000</td><td colspan="1" rowspan="1">$0.5400000</td><td colspan="1" rowspan="1">$0.3582272</td><td colspan="1" rowspan="1">$0.0003708</td><td colspan="1" rowspan="1">$0.1190393</td><td colspan="1" rowspan="1">$0.1095678</td><td colspan="1" rowspan="1">$0.0627335</td><td colspan="1" rowspan="1">$0.3578564</td></tr><tr><td colspan="1" rowspan="1">6/30/2025</td><td colspan="1" rowspan="1">7/9/2025</td><td colspan="1" rowspan="1">$0.5400000</td><td colspan="1" rowspan="1">$0.5400000</td><td colspan="1" rowspan="1">$0.3582272</td><td colspan="1" rowspan="1">$0.0003708</td><td colspan="1" rowspan="1">$0.1190393</td><td colspan="1" rowspan="1">$0.1095678</td><td colspan="1" rowspan="1">$0.0627335</td><td colspan="1" rowspan="1">$0.3578564</td></tr><tr><td colspan="1" rowspan="1">9/30/2025</td><td colspan="1" rowspan="1">10/8/2025</td><td colspan="1" rowspan="1">$0.5400000</td><td colspan="1" rowspan="1">$0.5400000</td><td colspan="1" rowspan="1">$0.3582272</td><td colspan="1" rowspan="1">$0.0003708</td><td colspan="1" rowspan="1">$0.1190393</td><td colspan="1" rowspan="1">$0.1095678</td><td colspan="1" rowspan="1">$0.0627335</td><td colspan="1" rowspan="1">$0.3578564</td></tr></tbody></table>(1) Total Qualified Dividend is a subset of, and is included in, the Taxable Ordinary Dividend amount.(2) Additional Information Pursuant to Treasury Regulation §1.1061-6(c):<ul><li>One-Year Distributive Share Amount: $ 0.0073352 or 1.54053% of the total capital gain distribution to shareholders for tax year ended December 31, 2025. To determine your share of the Company’s one-year distributive share amount, multiply the dollar amount of your reportable 2025 capital gain dividend from the Company (the amount shown in Box 2a of the Company’s 2025 Form 1099-DIV) by 1.54053%. </li><li>Three-Year Distributive Share Amount: $0.</li><li>The remaining capital gain dividends, if any, are Section 1231 gains and therefore not considered for purposes of Section 1061.</li></ul>(3) Unrecaptured Section 1250 Gain is a subset of, and is included in, the Total Capital Gain Distribution amount.(4) The Tax Cuts and Jobs Act enacted on December 22, 2017 generally allows a deduction for individuals equal to 20% of ordinary dividends distributed by a REIT (excluding capital gain dividends and qualified dividend income). Section 199A Dividends is a subset of, and is included in, the Taxable Ordinary Dividend amount.The dividend distributions made to holders of record as of December 31, 2025 and paid on January 7, 2026 are considered 2026 dividend distributions for federal income tax purposes.Stockholders are encouraged to consult with their tax advisors as to their specific tax treatment for Kilroy’s common distributions.About Kilroy Realty CorporationKilroy is a leading U.S. landlord and developer, with operations in the San Francisco Bay Area, Los Angeles, Seattle, San Diego, and Austin. The Company has earned global recognition for sustainability, building operations, innovation, and design. As a pioneer and innovator in the creation of a more sustainable real estate industry, the Company’s approach to modern business environments helps drive creativity and productivity for some of the world’s leading technology, media, life science, and business services companies.The Company is a publicly traded real estate investment trust (“REIT”) and member of the S&amp;P MidCap 400 Index with more than seven decades of experience developing, acquiring, and managing office, life science, and mixed-use projects.As of September 30, 2025, Kilroy’s stabilized portfolio totaled approximately 16.8 million square feet of primarily office and life science space that was 81.0% occupied and 83.3% leased. The Company also had approximately 1,000 residential units in Hollywood and San Diego, which had a quarterly average occupancy of 93.2%. In addition, the Company had one development project in the tenant improvement phase totaling approximately 872,000 square feet with a total estimated investment of $1.0 billion.A Leader in Sustainability and Commitment to Corporate Social ResponsibilityKilroy has a longstanding commitment to sustainability and continues to be a recognized leader in our sector. For over a decade, the Company and its sustainability initiatives have been recognized with numerous honors, including earning the GRESB five star rating and being named a sector and regional leader in the Americas. Other honors have included the Nareit Leader in the Light Award, being listed on the Dow Jones Sustainability World Index, being named ENERGY STAR Partner of the Year, and receiving the ENERGY STAR highest honor of Sustained Excellence.Kilroy is proud to have achieved carbon neutral operations across our portfolio since 2020. The Company also has a longstanding commitment to maintain high levels of LEED, Fitwell, and ENERGY STAR certifications across the portfolio.Kilroy is committed to cultivating a company culture that makes a positive difference in our employees’ lives by focusing on development, celebrating our unique backgrounds, promoting employee health and wellness, and dedicating ourselves to being a responsible corporate citizen through our community service and philanthropic efforts.More information is available at http://www.kilroyrealty.com.Forward-Looking StatementsThis press release contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. Forward-looking statements are based on our current expectations, beliefs, and assumptions, and are not guarantees of future performance. Forward-looking statements are inherently subject to uncertainties, risks, changes in circumstances, trends, and factors that are difficult to predict, many of which are outside of our control. Accordingly, actual performance, results, and events may vary materially from those indicated or implied in the forward-looking statements, and you should not rely on the forward-looking statements as predictions of future performance, results, or events. Numerous factors could cause actual future performance, results, and events to differ materially from those indicated in the forward-looking statements, including, among others: global market and general economic conditions, including actual and potential tariffs and periods of heightened inflation, and their effect on our liquidity and financial conditions and those of our tenants; adverse economic or real estate conditions generally, and specifically, in the States of California, Texas, and Washington; risks associated with our investment in real estate assets, which are illiquid, and with trends in the real estate industry; defaults on or non-renewal of leases by tenants; any significant downturn in tenants’ businesses, including bankruptcy, lack of liquidity or lack of funding, and the impact labor disruptions or strikes, such as episodic strikes in the media industry, may have on our tenants’ businesses; our ability to re-lease property at or above current market rates; reduced demand for office space, including as a result of remote working and flexible working arrangements that allow work from remote locations other than an employer's office premises; costs to comply with government regulations, including environmental remediation; the availability of cash for distribution and debt service, and exposure to risk of default under debt obligations; increases in interest rates and our ability to manage interest rate exposure; changes in interest rates and the availability of financing on attractive terms or at all, which may adversely impact our future interest expense and our ability to pursue development, redevelopment, and acquisition opportunities and refinance existing debt; a decline in real estate asset valuations, which may limit our ability to dispose of assets at attractive prices, or obtain or maintain debt financing, and which may result in write-offs or impairment charges; significant competition, which may decrease the occupancy and rental rates of properties; potential losses that may not be covered by insurance; the ability to successfully complete acquisitions and dispositions on announced terms; the ability to successfully operate acquired, developed, and redeveloped properties; the ability to successfully complete development and redevelopment projects on schedule and within budgeted amounts; delays or refusals in obtaining all necessary zoning, land use, and other required entitlements, governmental permits and authorizations for our development and redevelopment properties; increases in anticipated capital expenditures, tenant improvement, and/or leasing costs; defaults on leases for land on which some of our properties are located; adverse changes to, or enactment or implementations of, tax laws or other applicable laws, regulations, or legislation, as well as business and consumer reactions to such changes; risks associated with joint venture investments, including our lack of sole decision-making authority, our reliance on co-venturers’ financial condition, and disputes between us and our co-venturers; environmental uncertainties and risks related to natural disasters; risks associated with climate change and our sustainability strategies, and our ability to achieve our sustainability goals; and our ability to maintain our status as a REIT. These factors are not exhaustive and additional factors could adversely affect our business and financial performance. For a discussion of additional factors that could materially adversely affect our business and financial performance, see the factors included under the caption “Risk Factors” in our annual report on Form 10-K for the year ended December 31, 2024, and our other filings with the Securities and Exchange Commission. All forward-looking statements are based on currently available information and speak only as of the dates on which they are made. We assume no obligation to update any forward-looking statement made in this press release that becomes untrue because of subsequent events, new information, or otherwise, except to the extent we are required to do so in connection with our ongoing requirements under federal securities laws.<img src="https://imageproxy.pbkrs.com/https://cts.businesswire.com/ct/CT/query-ZGlzdHJvPW54JmlkPWJ3bmV3cyZsYW5nPWVuJnNpZD1hY3FyOCZzdHk9MjAyNjAxMjcxMjA4NDVyMQ?x-oss-process=image/auto-orient,1/interlace,1/resize,w_1440,h_1440/quality,q_95/format,jpg" original-src="https://imageproxy.pbkrs.com/https://cts.businesswire.com/ct/CT/query-ZGlzdHJvPW54JmlkPWJ3bmV3cyZsYW5nPWVuJnNpZD1hY3FyOCZzdHk9MjAyNjAxMjcxMjA4NDVyMQ"/>View source version on businesswire.com: https://www.businesswire.com/news/home/20260127120845/en/Doug Bettisworth Vice President, Corporate Finance (310) 481-8585Source: Kilroy Realty Corporation</article></div>

Kilroy Realty Corporation has announced the tax treatment for its 2025 dividend distributions. The total distribution per share is $0.54, classified into various categories for tax purposes, including taxable ordinary dividends and capital gain distributions. Stockholders are advised to consult tax advisors regarding their specific tax treatment. Kilroy is recognized for its sustainability efforts and operates primarily in the real estate sector, focusing on office and life science spaces. The company has achieved carbon-neutral operations since 2020 and maintains high sustainability certifications.

Kilroy Realty Corporation Announces 2025 Tax Treatment of Its Dividend Distributions | KRC Stock News