☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark One) Peakstone Realty Trust (Exact name of Registrant as specified in its charter) For the fiscal year ended December 31, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 (State or other jurisdiction of incorporation or organization) Maryland 46-4654479 (IRS Employer I ...

EXHIBIT 99.1 Peakstone Realty Trust Reports Fourth Quarter and Full Year 2025 Results El Segundo, Calif. (February 18, 2026) - Peakstone Realty Trust ("Peakstone" or the "Company") (NYSE: PKST), an industrial real estate investment trust with a strategic focus on the industrial outdoor storage ("IOS") sector, today announced its financial results for the quarter and full year ended December 31, 2025. On February 2, 2026, the Company and PKST OP L.P., its operating partnership (the "Operating Partnership"), ...

Group 1 - Brookfield Asset Management Ltd. announced an agreement to acquire Peakstone Realty Trust for $1.2 billion, or $21 per share, with the deal expected to close by the end of Q2 2026 [1][3] - The acquisition includes a 30-day go-shop period for Peakstone to explore alternative offers, and the company plans to release its full-year 2025 and Q4 financial results at the end of February [3] - Lowell Baron, CEO of Brookfield's Real Estate business, highlighted the acquisition as an opportunity to expand Brookfield's industrial real estate platform, benefiting from strong long-term fundamentals in the warehouse and IOS sectors [3] Group 2 - TD Cowen lowered its price target on Brookfield Asset Management from $76 to $75 while maintaining a Buy rating, citing weakened investor confidence in a strong recovery in capital markets for 2026 [3] - Despite the lowered price target, TD Cowen identified Brookfield as a defensive stock, suggesting it may be better positioned than peers to navigate economic uncertainty [3] - Brookfield Asset Management operates as a private equity firm specializing in acquisitions and growth capital investments across various sectors, including infrastructure and renewable power [4]

Core Viewpoint - Kahn Swick & Foti, LLC is investigating the proposed sale of Soho House & Co Inc. to affiliates of MCR, focusing on whether the offered price of $9.00 per share adequately reflects the company's value and the process leading to this valuation [1]. Group 1: Proposed Sale Details - Shareholders of Soho House will receive $9.00 in cash for each share they own under the proposed transaction [1]. - The investigation aims to assess the adequacy of both the price and the process that led to this proposed sale [1]. Group 2: Legal Inquiry - Kahn Swick & Foti, LLC, led by former Louisiana Attorney General Charles C. Foti, Jr., is seeking to determine if the proposed sale undervalues the company [1]. - Shareholders who believe the transaction undervalues the company are encouraged to discuss their legal rights with KSF [1].

Core Viewpoint - The proposed sale of Peakstone Realty Trust to Brookfield Asset Management is under investigation to assess the fairness of the transaction for shareholders [1] Transaction Details - Shareholders of Peakstone Realty Trust will receive $21.00 in cash for each share they own as part of the proposed transaction [1]

Core Viewpoint - Peakstone Realty Trust, an industrial real estate investment trust focused on industrial outdoor storage, is being acquired by Brookfield Asset Management for $1.2 billion in an all-cash transaction [1]. Company Overview - Peakstone Realty Trust operates in the industrial outdoor storage (IOS) sector and also manages traditional industrial properties [1]. - The strategic focus of Peakstone is primarily on the IOS sector, indicating a targeted investment approach within the industrial real estate market [1]. Acquisition Details - The acquisition by Brookfield Asset Management is valued at $1.2 billion, highlighting significant interest in the industrial outdoor storage market [1]. - The transaction is structured as an all-cash deal, which may indicate Brookfield's confidence in the value and potential of Peakstone's assets [1].

Group 1 - UBS has set a price target of $21 for Peakstone Realty Trust (NYSE:PKST), which is closely aligned with Brookfield Asset Management's acquisition price [1][2][6] - Peakstone Realty Trust focuses on the industrial outdoor storage sector and has experienced a significant stock price increase of 32.97%, reflecting strong market interest [3][6] - The trading volume for PKST today reached 10,040,104 shares on the NYSE, indicating high investor activity in response to the acquisition announcement [5][6] Group 2 - Brookfield Asset Management plans to acquire Peakstone Realty Trust in an all-cash deal valued at $1.2 billion, purchasing all outstanding shares at $21 each [2] - PKST's stock price fluctuated between $20.67 and $20.85 today, marking its highest price in the past year, with a market capitalization of approximately $764.1 million [4]

Core Viewpoint - Peakstone Realty Trust (PKST) is undergoing significant changes with a downgrade from UBS and an acquisition by Brookfield Asset Management [1][5]. Group 1: Company Developments - UBS downgraded PKST from an "Outperform" rating to a "Neutral" rating, with the stock priced at $20.77 at the time of the downgrade [1][5]. - Brookfield Asset Management has announced a definitive agreement to acquire PKST in an all-cash transaction valued at $1.2 billion, purchasing all outstanding shares at $21.00 per share, which is a premium over the current stock price [2]. Group 2: Stock Performance - Despite the downgrade, PKST's stock has increased by 32.97%, with a change of $5.15, and has fluctuated between a low of $20.67 and a high of $20.85 today, marking its highest price over the past year [3]. - The lowest price for PKST in the past year was $10.35, indicating significant growth [3]. Group 3: Market Position - PKST has a market capitalization of approximately $764.1 million, reflecting its position in the industrial real estate sector [4]. - The trading volume for PKST today is 10,040,104 shares on the NYSE, highlighting strong investor interest [4].

Core Viewpoint - Monteverde & Associates PC is investigating Peakstone Realty Trust regarding its proposed sale to Brookfield Asset Management, where shareholders are expected to receive $21.00 per share in cash, raising questions about the fairness of the deal [1]. Group 1: Company Overview - Monteverde & Associates PC is recognized as a Top 50 Firm in the 2024 ISS Securities Class Action Services Report and has recovered millions for shareholders [1]. - The firm is headquartered in the Empire State Building, New York City, and specializes in class action securities litigation [2]. Group 2: Transaction Details - The proposed transaction involves Peakstone Realty Trust selling to Brookfield Asset Management, with shareholders set to receive $21.00 per share in cash [1]. - The investigation aims to determine whether this offer is fair for the shareholders of Peakstone Realty Trust [1].

Core Viewpoint - Ademi LLP is investigating Peakstone for potential breaches of fiduciary duty and other legal violations related to its transaction with Brookfield Asset Management [1]. Group 1: Transaction Details - Peakstone stockholders will receive $21.00 per share in cash, leading to a total enterprise value of approximately $1.2 billion [2]. - Peakstone insiders are set to receive substantial benefits as part of the change of control arrangements [2]. Group 2: Investigation Focus - The transaction agreement imposes significant penalties on Peakstone if it accepts competing bids, which may limit competing transactions unreasonably [3]. - The investigation will assess whether the Peakstone board of directors is fulfilling their fiduciary duties to all shareholders [3].