2 unchanged sentences
Litigation is subject to inherent uncertainties and an adverse result in any such matter may harm our business.
−Removed: As of the date of this report, we are not a party to any material pending legal proceedings.
+Added: As of the date of this report, we are not a party to any material pending legal proceedings, except as set forth below.
+Added: de Lacy, David Maley, and Judith Schrecker v.
+Added: ClearSign Technologies Corporation , Case No.
+Added: 2026-0082-CDW (Delaware Court of Chancery)
+Added: On January 16, 2026, Judith Schrecker, David Maley, and Catharine M.
+Added: de Lacy (“Former Directors”), filed a petition for advancement in the Delaware court of Chancery for an advancement of legal fees relating to a request, by us, for the Former Directors to return material generated by the Special Committee.
+Added: The advancement proceedings will effectuate an advancement of monies to the Former Directors counsel for monies incurred to represent the Former Directors in this matter.
+Added: The advancement proceeding will follow a prescribed court process where the legal fees will be reviewed with the goal of concluding reasonable amount payable to the Former Directors’ counsel for representation in this matter.
+Added: At the date of this report, we do not believe this proceeding will have a material adverse effect on the future operations of the Company.
+Added: To account for this matter, we have accrued $180 thousand as an estimate for legal services rendered during 2025.
+Added: Subsequent to December 31, 2025, the total advancement request amounted to $319 thousand.
MINE SAFETY DISCLOSURES.
1 unchanged sentence
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.