In April 2023, the Company financed approximately $508 thousand of the premium for the renewal of its insurance coverages. The financed premium is being paid in eight monthly installments beginning in April 2023 and bears interest at 6.94% per annum.

On July 12, 2022, we were named as a defendant in a lawsuit by Whitestone OP in a lawsuit styled Whitestone REIT Operating Partnership, L.P. v. Pillarstone Capital REIT, C.A. No. 2022-0607-LWW, in the Court of Chancery of the State of Delaware. The suit challenges our rights agreement, dated as of December 27, 2021 (as the same may be amended from time to time, the “Rights Agreement”), between us and American Stock Transfer & Trust Company, LLC, as rights agent, and claims that our adoption of the Rights Agreement breached the Pillarstone OP Amended and Restated Agreement of Limited Partnership, and that we breached our fiduciary duties as general partner of Pillarstone OP to Whitestone OP and breached the implied covenant of good faith and fair dealing under the Amended and Restated Agreement of Limited Partnership.

Based upon various issues, including those discussed in this report, we filed a lawsuit on September 16, 2022, in district court in Harris County, Texas, against Whitestone and related parties alleging, among other things, breach of the Pillarstone OP Amended and Restated Agreement of Limited Partnership and fiduciary duty and breach of the management agreements.

On July 21, 2022, Whitestone OP filed a Motion to Preserve the Status Quo in the Delaware lawsuit requesting broad restrictions on our ability to conduct our business, including buying properties, enforcing the Rights Agreement, incurring expenses, or engaging in transactions. The Status Quo Order also prevents Whitestone OP from exercising its right under the Pillarstone OP Amended and Restated Agreement of Limited Partnership to require Pillarstone OP to redeem its OP Units. Our amended petition in the Texas lawsuit argues that Whitestone’s material breaches of contract and fiduciary duty operate to discharge and/or excuse any obligation to perform under the redemption provisions of the Pillarstone OP Amended and Restated Agreement of Limited Partnership.

Representatives of our board of trustees attempted to initiate discussions to settle these matters in August 2022 with representatives of Whitestone’s board of trustees to avoid a prolonged, expensive legal fight. However, Whitestone was not open to settling these matters at that time or the other various times since August 2022 we attempted to initiate discussions to resolve these matters.

Whitestone indicated to us its intent to cause Whitestone OP to exercise its redemption right and stated publicly that it intends to monetize its investment in Pillarstone OP. We believed that if Whitestone were to be permitted to exercise its redemption right for cash amounts, we may not have the cash available to pay such amounts and may be required to sell one or more of our Real Estate Assets to satisfy this obligation, which may cause us to sell some or all of our Real Estate Assets at below fair market value and otherwise have a material adverse effect on our liquidity and financial condition and our ability to operate and improve our Real Estate Assets. We have stated that a redemption request would not trigger the Rights Agreement, and our board of trustees has the sole discretion to interpret the Rights Agreement. However, Whitestone OP indicated that the Rights Agreement caused them to not exercise their redemption rights and claimed damages based on the alleged decline in the value of the Real Estate Assets following their failure to exercise the redemption rights.

Based on Whitestone’s performance under the management agreements and their public statements regarding their intentions for their interest in Pillarstone, we did not believe that Whitestone’s actions in connection with the exercise of the redemption rights would respect the rights of the holders of our common shares. The Pillarstone OP Amended and Restated Agreement of Limited Partnership expressly provides that in the event of a conflict between the interests of the limited partners (Whitestone OP as the sole limited partner) and our shareholders, we shall act in the interests of our shareholders, and we shall not be liable for monetary or other losses sustained, liabilities incurred or benefits not derived by the limited partners in connection therewith.

Our executive management team worked to restore normal operations and leasing activities quickly after Whitestone REIT’s unanticipated termination of their managerial services. Many of our actions were affected by a lack of usable information being made available to us on a timely basis.

We discovered significant deferred maintenance and neglect of our assets had occurred under Whitestone REIT’s management. Our efforts to address these matters have in some cases been stymied by Whitestone REIT’s litigation against us in Delaware where the court has limited our ability to incur expenses above low threshold amounts for the types of expenses a company in our industry could expect to incur in the ordinary course of business. Our legal and professional fees have increased substantially as we address the internalization of management and the litigation matters discussed in this report.

On July 17, 2023 and July 18, 2023, trial was held in the Delaware lawsuit. Post-trial argument in the lawsuit was held on October 18, 2023. Whitestone has asked the Delaware court to award damages of approximately $51,200,600 and post-judgement interest of $6,820,000 in the filing of its post-trial opening brief on August 28, 2023. On January 25, 2024, the Delaware court issued its opinion and determined that we breached the implied covenant of good faith and fair dealing without resolving the breach of contract or breach of fiduciary duty claims. Although Whitestone asked for monetary damages of $51,200,600 plus interest, the Delaware court declined to award damages. We disagree with the Delaware court’s ruling and are considering our options for appeal, subject to a final order being entered in the case, the outcome of various proceedings in the jointly administered bankruptcy cases described below and the decision of the plan agent in the bankruptcy cases to pursue an appeal.

The Delaware court declared the Rights Agreement unenforceable against Whitestone, permitted Whitestone OP to tender a notice of redemption for its OP Units and determined that the Pillarstone OP limited partnership agreement should be followed whereby we would decide whether to assume Pillarstone OP’s redemption obligation and determine what value to attribute to Pillarstone OP’s assets. The Delaware court declared that any further relief must await future proceedings.

On January 25, 2024, Whitestone OP delivered its notice of redemption for all but one of its OP Units.

On September 16, 2022, we filed a lawsuit styled Pillarstone Capital REIT and Pillarstone Capital REIT Operating Partnership LP v. Whitestone TRS, Inc., Whitestone REIT, Whitestone REIT Operating Partnership, L.P., Cause No. 2022-59478, in the District Court, Harris County, Texas, 189th Judicial District alleging, among other things, breach of the Pillarstone OP limited partnership agreement and the management agreements for the Real Estate Assets by the Whitestone defendants and breach of fiduciary duties relating to Pillarstone OP by Whitestone OP going outside the role of limited partner and harming us and Pillarstone OP. A portion of the claims in this case were also brought as an adversary proceeding by Whitestone Uptown Tower, LLC in the Uptown Tower bankruptcy case described in “—Uptown Tower” below.

On March 4, 2024, bankruptcy cases were filed for us and Pillarstone OP, as well as Whitestone CP Woodland Ph. 2, LLC, Whitestone Industrial-Office, LLC and Whitestone Offices, LLC, the subsidiaries owning our Real Estate Assets other than Uptown Tower. The bankruptcy cases were consolidated into the jointly administered cases styled In re: Whitestone Industrial-Office, LLC, et. al., Case No. 24-30653-mvl-11, in the United States Bankruptcy Court for the Northern District of Texas, Dallas Division, the same court as the Whitestone Uptown Tower, LLC bankruptcy case described under “—Uptown Tower” below.

The joint plan of liquidation in the bankruptcy case providing for the sale of the Real Estate Assets other than Uptown Tower and treatment of claims was confirmed in November 2024. Those Real Estate Assets were sold between October 2024 and July 2025. The plan provided for a plan agent, and Frances A. Smith was appointed plan agent in the jointly administered bankruptcy cases. The plan agent was appointed for the purposes of administering all claims in the bankruptcy cases and making distributions to holders of allowed claims and equity interests under the plan of liquidation. The plan agent’s administration of the claims may include, without limitation, and pursuant to her reasonable business judgment, investigating, prosecuting, objecting to, resolving, reconciling, compromising, litigating, administering, and making distributions on account of, the claims.

The plan agent is not a trustee and does not participate in the management or operations of the debtors’ businesses, assets or financial affairs or the review and approval of the day-to-day operational expenses of the debtors’ business post-confirmation, unless the bankruptcy court determines cause exists for the plan agent to do so after notice and hearing.

The plan agent has the sole and exclusive authority to administer the claims, including the determination to compromise a claim involving Whitestone OP, any debtor or their affiliates or professionals, subject to notice and hearing and a party’s good-faith objection and the bankruptcy court’s final adjudication of the matter. The plan agent also has the authority to make demand on the debtors for funds necessary to satisfy allowed claims asserted against a debtor from that debtor’s funds (even if held by Pillarstone OP), which may include sales proceeds.

The plan agent is entitled to receive compensation as a flat fee the amount of $10,000.00 per month, plus reimbursement of actual, necessary expenses. If during any month the plan agent spends more than fifteen (15) hours in the performance of her duties, she will be entitled to compensation at a rate of $650.00 per hour for each additional hour of services.

Whitestone Uptown Tower, LLC, Pillarstone OP’s subsidiary that owned the Uptown Tower office building, was the borrower under a loan agreement. The Uptown Tower office building was subject to a mortgage under the loan agreement. The mortgage debt was guaranteed by Whitestone OP. This mortgage was an obligation of Whitestone Uptown Tower, LLC, a subsidiary included in our consolidated financial statements. Neither Pillarstone Capital REIT nor Pillarstone OP had any obligation or guarantee of this indebtedness nor did any of our other properties collateralize this indebtedness.

As of September 30, 2022, the borrower was not in compliance with loan covenants requiring timely filing of financial information to the lender for mortgage loan.

In July 2023, Rialto Capital Advisors, LLC, the special servicer for the mortgage loan, implemented a cash sweep and began to seize the funds from the operations of the Uptown Tower property under the cash management agreement relating to the mortgage loan. Prior to Rialto Capital Advisors, LLC’s seizing the funds from those operations, those funds had been used for the operation and maintenance of the Uptown Tower property, with excess funds used for the operations of Pillarstone OP and the General Partner. We did not have an alternate source of funds for the operation of Uptown Tower.

On August 3, 2023, we received a notice of the default of the mortgage loan from counsel for the lender and Rialto Capital Advisors, LLC. The default notice asserted non-monetary defaults resulting from Whitestone’s failure to comply with the loan agreement in connection with the Contribution Agreement in 2016. The default notice also alleged a non-monetary default caused by Whitestone’s termination of its management agreement for Uptown Tower in August 2022.

In the default notice, the lender and special servicer noted that the borrower, prior to the Contribution Agreement and while it was controlled by Whitestone OP, represented, warranted, and covenanted that “[F]following the Transfer, Sponsor [Whitestone REIT] through its ownership of Guarantor [Whitestone OP] [. . .] shall continue to Control Borrower [Whitestone Uptown Tower, LLC], and shall continue to control the day-to-day operation of the Property.” The lender and special servicer contend that this representation was false because Pillarstone OP and the borrower are controlled by the general partner (Pillarstone Capital REIT, the sole general partner of Pillarstone OP) and not Whitestone REIT.

As the 2016 alleged defaults occurred while Whitestone was in control of all loan parties and we believe Whitestone caused the 2022 default through its unilateral termination of the management agreement for Uptown Tower, we are not in a position to agree with or dispute the determination of the alleged defaults or Whitestone OP’s liability under its guaranty, or any further effect they may have on the borrower or the Uptown Tower property.

The borrower had requested disbursements of capital and operating expenditures from Rialto Capital Advisors, LLC under the terms of the loan agreement in August 2023 and September 2023, but Rialto Capital Advisors, LLC did not release the funds and indicated that it did not intend to release funds or reverse the cash sweep to permit the funding of the operations and leasing of Uptown Tower.

The mortgage loan matured on October 1, 2023. The registrant and the borrower had been working to extend the maturity date and to find new financing or a buyer for the Uptown Tower property. When Whitestone learned of our negotiations with Rialto Capital Advisors, LLC to attempt to resolve this issue and believing we were intending to abandon the building, it filed a motion with the Delaware Court of Chancery asking the court for an order declaring that we shall not (a) stop managing the Uptown Tower, (b) “hand the keys” to Uptown Tower to the lender, or (c) otherwise abandon the Uptown Tower, which the court granted on a temporary basis on September 22, 2023. On October 19, 2023, Whitestone objected to a proposed sale of the Uptown Tower property under the Status Quo Order issued by the court in the previously disclosed lawsuit Whitestone OP instituted against us in the Delaware Court of Chancery.

On October 24, 2023, the lender delivered a notice of foreclosure sale to the borrower providing notice that, among other things, as of the maturity date, the borrower failed to repay all amounts due under the note, and making a demand on (1) the borrower and all persons and entities obligated on the promissory note evidencing the mortgage loan (except to the extent that the obligation is expressly limited by written contract or applicable law) for payment in full of the entire indebtedness, and on (2) the borrower for payment of rents and proceeds of any rents to which the lender is entitled under the mortgage loan documents and Texas Property Code chapter 64, Assignment of Rents to Lienholder. The notice of foreclosure sale also included a notice regarding the planned foreclosure sale of Uptown Tower on December 5, 2023.

On December 1, 2023, Whitestone Uptown Tower, LLC filed a voluntary petition for relief under Chapter 11 of the United States Bankruptcy Code in the United States Bankruptcy Court for the Northern District of Texas in the case styled In re: Whitestone Uptown Tower, LLC a/a/ Pillarstone Capital REIT Operating Partnership, Case No. 23-32832-mvl-11, in the United States Bankruptcy Court for the Northern District of Texas, Dallas Division. The filing of the petition constituted an event of default under the mortgage loan. Prior to the filing of the bankruptcy petition in November 2023, representatives of our board of trustees attempted to initiate discussions with representatives of Whitestone REIT’s board of trustees to address these matters and to approach Rialto Capital Advisors, LLC jointly. However, without the borrower’s knowledge or consent, Whitestone attempted to pay off the loan and grant broad releases to the lender and special servicer on behalf of the borrower, including the application of the trapped cash, escrows and reserves to the indebtedness. No Whitestone REIT entity had the authority to make such agreements on behalf of the borrower, and we have been informed that the agreement was not consummated, but Whitestone did send approximately $13.6 million to Rialto Capital Advisors, LLC pursuant to this arrangement.

On January 3, 2024, Rialto Capital Advisors, LLC provided a preliminary estimate of the payoff amounts for the Uptown Loan as of December 4, 2023. The estimated total amount due was listed as approximately $21.5 million, which included an outstanding principal balance of approximately $14.4 million, note interest of approximately $242,000 and default interest of approximately $6.6 million. In addition, Rialto was also holding approximately $2.6 million of trapped cash, escrows and reserves under the mortgage loan, which the borrower needed to operate the Uptown Tower property and pay its obligations, including then-upcoming property taxes. On January 31, 2024, the lender sued Whitestone OP to enforce Whitestone OP’s guaranty of the mortgage loan.

In June 2024, Whitestone Uptown Tower, LLC and Whitestone OP each settled with the lender. Whitestone Uptown Tower entered into a loan agreement with American Bank, N.A. for a loan amount of up to $1,500,000, secured by Uptown Tower and all of the other assets of Whitestone Uptown Tower. Whitestone Uptown Tower paid approximately $1.1 million to the prior lender, and the prior lender retained approximately $2.2 million of trapped cash and escrows from the cash sweep and the approximately $13.6 million mistakenly sent to it by Whitestone OP in satisfaction of the prior mortgage loan.

The plan of reorganization in the bankruptcy case, providing for the sale of Uptown Tower and treatment of claims, was confirmed in July 2024. We sold Uptown Tower in July 2025 for a purchase price of $20 million, or $17.3 million after deductions, closing costs and commissions and paid off the American Bank, N.A. indebtedness. We are holding approximately $13.6 million of the sale proceeds representing funds Whitestone OP mistakenly paid to the prior mortgage lender for Uptown Tower when it attempted to pay off the mortgage loan without informing us and without authority to do so on Whitestone Uptown Tower, LLC’s behalf. We are currently disputing the treatment and timing of repayment of the $13.6 million to Whitestone OP in the Whitestone Uptown Tower bankruptcy case.

This litigation has been and is expected to continue to be expensive, lengthy, and disruptive to normal business operations. Moreover, the results of these proceedings are difficult to predict. The registrant believes that the allegations in the Delaware lawsuit are without merit and intends to continue to vigorously defend against them. In addition, we intend to vigorously pursue the Texas action to seek damages from Whitestone due to its violations of the management agreements and fiduciary duties and to protect our shareholders from the further harms that Whitestone has indicated it intends to inflict on us and our shareholders. However, the outcomes of these lawsuits, including the timing of the final disposition of the lawsuits, are unpredictable and could result in substantial costs to us. As a result, future adverse rulings, settlements, or unfavorable developments could result in charges that could have a material adverse effect on the registrant’s business, results of operations or financial condition.

Following the period covered by this report, we sold Real Estate Assets under the Whitestone Uptown Tower, LLC plan of reorganization and the plan of liquidation for the other Pillarstone entities.

In October 2024, we sold 9101 LBJ Freeway for a purchase price of $5,753,000, or approximately $5.1 million after deductions, closing costs and commissions.

In October 2024, we sold Interstate 10 Warehouse for a purchase price of $8,400,000, or approximately $8.1 million after deductions, closing costs and commissions.

In February 2025, we sold Corporate Park Woodland II for a purchase price of $1,650,000, or approximately $1.56 million after deductions, closing costs and commissions.

In July 2025, we sold Uptown Tower for a purchase price of $20,000,000, or approximately $17.3 million after deductions, closing costs and commissions.

In July 2025, in a series of related transactions, we sold:

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