Exhibit 99.1

For Additional Information:

Aaron Reyes

Sunstone Hotel Investors, Inc.

(949) 382-3018

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SUNSTONE HOTEL INVESTORS REPORTS RESULTS FOR SECOND QUARTER 2026

Completes Sale of Hyatt Regency San Francisco and Increases Full Year Outlook

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ALISO VIEJO, CA – August 6, 2026 – Sunstone Hotel Investors, Inc. (the “Company” or “Sunstone”) (NYSE: SHO) today announced results for the second quarter ended June 30, 2026.

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Second Quarter 2026 Operational Results (as compared to Second Quarter 2025):

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Information regarding the non-GAAP financial measures disclosed in this release is provided below in “Non-GAAP Financial Measures.” Reconciliations of non-GAAP financial measures to the most comparable GAAP measure for each of the periods presented are included later in this release.

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Bryan A. Giglia, Chief Executive Officer, stated, “We are pleased with our performance in the second quarter as both revenue and profitability meaningfully exceeded expectations. Our well-located portfolio benefited from robust leisure demand as a result of increased summer travel and special events which added to sustained strength in group and corporate demand. Given our outperformance in the second quarter and stronger near-term trends, we are increasing our outlook for the year.”

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Mr. Giglia continued, “In late July, we closed on the sale of Hyatt Regency San Francisco, realizing an attractive private market value for a low-yielding asset. The implied valuation multiple on the sale is well in excess of where we are trading and allows us to deliver to our shareholders the value of future growth, today. In anticipation of the sale, starting earlier this year, we began accretively deploying a portion of the sale proceeds into the discounted repurchase of common and preferred stock and expect to generate additional shareholder value and grow NAV per share through the redeployment of the remaining proceeds.”

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Unaudited Selected Statistical and Financial Data ($ in millions, except RevPAR, ADR and per share amounts).

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Recent Developments

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Hyatt Regency San Francisco Disposition. On July 30, 2026, the Company sold the 821-room Hyatt Regency San Francisco to funds affiliated with Blackstone Real Estate for a gross sale price of $279 million, or approximately $340,000 per key. In anticipation of the sale, the Company deployed approximately $70 million of the sale proceeds into the discounted repurchase of its common and preferred stock during 2026.

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Hilton Key West Resort & Marina Conversion. On July 1, 2026, the Company converted its former Oceans Edge Resort & Marina to Hilton Key West Resort & Marina. The conversion is expected to drive incremental earnings at the resort as the property benefits from Hilton’s stronger distribution channels and lower customer acquisition costs compared to its prior independent operating model. The resort will be managed by Hilton and will continue to offer 175 waterfront rooms and suites, six pools, a full-service marina, multiple food and beverage offerings, and a range of amenities and recreational activities.

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Stock Repurchase Program. During the second quarter of 2026, the Company repurchased an aggregate amount of $32.2 million, before expenses, of its common and preferred stock. From the start of this year through August 5, 2026, the Company has allocated a total of $70.1 million, before expenses, into repurchases of its common and preferred stock. The Company believes this repurchase activity has been completed at a discount and generated significant value for its stockholders. As of August 5, 2026, the Company has $437.4 million remaining under its existing stock repurchase program authorization.

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Balance Sheet and Liquidity Update

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As of June 30, 2026, the Company had $203.7 million of cash and cash equivalents, including restricted cash of $109.3 million, total assets of $3.0 billion, including $2.7 billion of net investments in hotel properties and assets held for sale, total debt of $980.0 million and stockholders’ equity of $1.9 billion. Subsequent to the end of the quarter, the Company completed its previously announced $279.0 million sale of Hyatt Regency San Francisco and used a portion of the proceeds to repay the outstanding $25.0 million balance on its revolving credit facility. Adjusting for the receipt of the gross sale proceeds, net of the $25.0 million disposition deposit, and the debt repayment, the Company had approximately $430.0 million of cash and cash equivalents, including restricted cash and total debt outstanding of $955.0 million.

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Capital Investments Update

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The Company invested $53.4 million into its portfolio during the first six months of 2026. The Company currently expects to invest approximately $105 million to $115 million into its portfolio in 2026. This revised range includes incremental investment for repair and restoration work at Wailea Beach Resort following damage incurred from severe weather that impacted the Hawaiian Islands in March 2026. The Company expects to be reimbursed for the majority of the incremental expenditures under its insurance programs.

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2026 Outlook

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The Company is updating its 2026 outlook based on Management’s expectations and information available as of the date of this release. Geopolitical developments, changes in economic policies, changes in the health of the economy, or changes in business and consumer sentiment, among other factors, could lead to further revisions to the Company’s outlook or cause the Company to withdraw its outlook altogether.

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For the full year 2026, the Company now expects:

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Full year 2026 guidance is based in part on the following full year assumptions:

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Dividend Update

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On August 5, 2026, the Company’s Board of Directors authorized a cash dividend of $0.09 per share of its common stock. The Company’s Board of Directors also authorized cash dividends of $0.382813 per share payable to its Series H cumulative redeemable preferred stockholders, and $0.356250 per share payable to its Series I cumulative redeemable preferred stockholders. The common and preferred dividends will be paid on October 15, 2026 to stockholders of record as of September 30, 2026.

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The Company currently expects to continue to pay a quarterly cash common dividend throughout 2026. The level of any future quarterly dividends will be determined by the Company’s Board of Directors after considering long-term operating projections, expected capital requirements, and risks affecting the Company’s business.

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Supplemental Disclosures

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Contemporaneous with this release, the Company has furnished a Form 8-K with unaudited financial information. This additional information is being provided as a supplement to the information in this release and other filings with the SEC. The Company has no obligation to update any of the information provided to conform to actual results or changes in the Company’s portfolio, capital structure or future expectations.

Earnings Call

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The Company will host a conference call to discuss second quarter results on August 6, 2026, at 12:00 p.m. Eastern Time (9:00 a.m. Pacific Time). A live webcast of the call will be available via the Investor Relations section of the Company’s website at www.sunstonehotels.com. Alternatively, interested parties may dial 1-833-461-5787 and reference meeting ID 420 784 049 to listen to the live call. A transcript of the webcast will also be archived on the website.

About Sunstone Hotel Investors, Inc.

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Sunstone Hotel Investors, Inc. is a lodging real estate investment trust (“REIT”) that as of the date of this release owns 13 hotels comprised of 6,178 rooms, all of which are operated under nationally recognized brands. Sunstone's strategy is to create long-term stakeholder value through the acquisition, active ownership, and disposition of well-located hotel and resort real estate. For further information, please visit Sunstone’s website at www.sunstonehotels.com. The Company’s website is provided as a reference only and any information on the website is not incorporated by reference in this release.

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Forward-Looking Statements

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This press release contains forward-looking statements within the meaning of federal securities laws and regulations. These forward-looking statements are identified by their use of terms and phrases such as “anticipate,” “believe,” “continue,” “could,” “estimate,” “expect,” “intend,” “may,” “plan,” “predict,” “project,” “should,” “will” and other similar terms and phrases, including opinions, references to assumptions and forecasts of future results. Forward-looking statements are not guarantees of future performance and involve known and unknown risks, uncertainties and other factors that may cause the actual results to differ materially from those anticipated at the time the forward-looking statements are made. These risks, uncertainties, and other factors include, but are not limited to, those described in the sections entitled “Special Note Regarding Forward-Looking Statements,” “Risk Factors,” and “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in the Company’s 2025 Annual Report on Form 10-K, filed with the Securities and Exchange Commission on February 27, 2026, and other risks and uncertainties associated with the Company’s business described in its filings with the Securities and Exchange Commission. Although the Company believes the expectations reflected in such forward-looking statements are based upon reasonable assumptions, it can give no assurance that the expectations will be attained or that any deviation will not be material. All forward-looking information provided herein is as of the

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date of this release, and the Company undertakes no obligation to update any forward-looking statement to conform the statement to actual results or changes in the Company’s expectations.

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This release should be read together with the consolidated financial statements and notes thereto included in our most recent reports on Form 10-K and Form 10-Q. Copies of these reports are available on our website at www.sunstonehotels.com and through the SEC’s Electronic Data Gathering Analysis and Retrieval System (“EDGAR”) at www.sec.gov.

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Non-GAAP Financial Measures

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We present the following non-GAAP financial measures that we believe are useful to investors as key supplemental measures of our operating performance: earnings before interest expense, taxes, depreciation and amortization for real estate, or EBITDAre; Adjusted EBITDAre (as defined below); funds from operations attributable to common stockholders, or FFO attributable to common stockholders; Adjusted FFO attributable to common stockholders (as defined below); hotel Adjusted EBITDAre; and hotel Adjusted EBITDAre margins. These measures should not be considered in isolation or as a substitute for measures of performance in accordance with GAAP. In addition, our calculation of these measures may not be comparable to other companies that do not define such terms exactly the same as us. These non-GAAP measures are used in addition to and in conjunction with results presented in accordance with GAAP. They should not be considered as alternatives to net income (loss), cash flow from operations, or any other operating performance measure prescribed by GAAP. These non-GAAP financial measures reflect additional ways of viewing our operations that we believe, when viewed with our GAAP results and the reconciliations to the corresponding GAAP financial measures, provide a more complete understanding of factors and trends affecting our business than could be obtained absent this disclosure. We strongly encourage investors to review our financial information in its entirety and not to rely on a single financial measure.

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We present EBITDAre in accordance with guidelines established by the National Association of Real Estate Investment Trusts (“Nareit”), as defined in its September 2017 white paper “Earnings Before Interest, Taxes, Depreciation and Amortization for Real Estate.” We believe EBITDAre is a useful performance measure to help investors evaluate and compare the results of our operations from period to period in comparison to our peers. Nareit defines EBITDAre as net income (calculated in accordance with GAAP) plus interest expense, income tax expense, depreciation and amortization, gains or losses on the disposition of depreciated property (including gains or losses on change in control), impairment write-downs of depreciated property and of investments in unconsolidated affiliates caused by a decrease in the value of depreciated property in the affiliate, and adjustments to reflect the entity’s share of EBITDAre of unconsolidated affiliates.

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We make additional adjustments to EBITDAre when evaluating our performance because we believe that the exclusion of certain additional items described below provides useful information to investors regarding our operating performance, and that the presentation of Adjusted EBITDAre, when combined with the primary GAAP presentation of net income, is beneficial to an investor’s complete understanding of our operating performance. In addition, we use both EBITDAre and Adjusted EBITDAre as measures in determining the value of hotel acquisitions and dispositions.

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We believe that the presentation of FFO attributable to common stockholders provides useful information to investors regarding our operating performance because it is a measure of our operations without regard to specified noncash items such as real estate depreciation and amortization, any real estate impairment loss and any gain or loss on sale of real estate assets, all of which are based on historical cost accounting and may be of lesser significance in evaluating our current performance. Our presentation of FFO attributable to common stockholders conforms to Nareit’s definition of “FFO applicable to common shares.” Our presentation may not be comparable to FFO reported by other REITs that do not define the terms in accordance with the current Nareit definition, or that interpret the current Nareit definition differently than we do.

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We also present Adjusted FFO attributable to common stockholders when evaluating our operating performance because we believe that the exclusion of certain additional items described below provides useful supplemental information to investors regarding our ongoing operating performance and may facilitate comparisons of operating performance between periods and our peer companies.

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We adjust EBITDAre and FFO attributable to common stockholders for the following items, which may occur in any period, and refer to these measures as either Adjusted EBITDAre or Adjusted FFO attributable to common stockholders:

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In addition, to derive Adjusted EBITDAre, we exclude the amortization of our right-of-use assets and related lease obligations as these expenses are based on historical cost accounting and do not reflect the actual rent amounts due to the respective lessors or the underlying performance of our hotels. We also exclude the effect of gains and losses on the disposition of undepreciated assets because we believe that including them in Adjusted EBITDAre is not consistent with reflecting the ongoing performance of our assets.

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To derive Adjusted FFO attributable to common stockholders, we also exclude the noncash interest on our derivatives as we believe that these items are not reflective of our ongoing finance costs. Additionally, we exclude the real estate amortization of our right-of-use assets and related lease obligations (with the exception of our corporate operating lease) as these expenses are based on historical cost accounting and do not reflect the actual rent amounts due to the respective lessors or the underlying performance of our hotels. We also exclude gains or losses on the redemptions or repurchases of preferred stock, changes to deferred tax assets, liabilities or valuation allowances, and income tax benefits or provisions associated with the application of net operating loss carryforwards, uncertain tax positions or with the sale of assets.

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In presenting hotel Adjusted EBITDAre and hotel Adjusted EBITDAre margins, miscellaneous non-hotel items have been excluded. We believe the calculation of hotel Adjusted EBITDAre results in a more accurate presentation of the hotel Adjusted EBITDAre margins for our hotels, and that these non-GAAP financial measures are useful to investors in evaluating our property-level operating performance.

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Reconciliations of net income to EBITDAre, Adjusted EBITDAre, FFO attributable to common stockholders, Adjusted FFO attributable to common stockholders, hotel Adjusted EBITDAre and hotel Adjusted EBITDAre margins are set forth in the following pages of this release.

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Sunstone Hotel Investors, Inc.

Consolidated Balance Sheets

(In thousands, except share and per share data)

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Sunstone Hotel Investors, Inc.

Unaudited Consolidated Statements of Operations

(In thousands, except per share data)

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Sunstone Hotel Investors, Inc.

Reconciliation of Net Income to Non-GAAP Financial Measures

(Unaudited and in thousands)

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Reconciliation of Net Income to EBITDAre and Adjusted EBITDAre

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Sunstone Hotel Investors, Inc.

Reconciliation of Net Income to Non-GAAP Financial Measures

(Unaudited and in thousands, except per share data)

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Reconciliation of Net Income to FFO Attributable to Common Stockholders and

Adjusted FFO Attributable to Common Stockholders

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Sunstone Hotel Investors, Inc.

Reconciliation of Net Income to Non-GAAP Financial Measures

Guidance for Full Year 2026

(Unaudited and in thousands, except for per share amounts)

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Reconciliation of Net Income to Adjusted EBITDAre

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Reconciliation of Net Income to Adjusted FFO Attributable to Common Stockholders

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Sunstone Hotel Investors, Inc.

Non-GAAP Financial Measures