The filing pertains to compensatory arrangements rather than a management change.

The filing pertains to compensatory arrangements, which is not a management change.

Chairman of the Board of Directors — Mr. Yubao Li: The resignation of the Chairman without a permanent successor named is a significant departure.

Director — Philip Wong: Philip Wong resigned as Director and Chair of the Audit Committee.

Entry into a Material Definitive Agreement On December 2, 2025, Yunhong Green CTI Ltd. (the “Company”) entered into an agreement with Yunhong Technology Industry (Hubei) Co., Ltd. and affiliated parties to unwind a portion of the asset purchase arrangement originally entered into on June 30, 2024. Under the original arrangement, the Company issued shares as consideration, a portion of which related to anticipated operating support to be provided by the selling parties. As operations associate…

The filing pertains to compensatory arrangements rather than a genuine management change.

Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard. On October 15, 2025, Yunhong Green CTI Ltd. (“CTI” or the “Company”), received written notice from the Nasdaq Capital Market (“Nasdaq”) that the Company had regained compliance with Nasdaq Listing Rule 5550(a)(2) (the “Minimum Bid Price Rule”). On October 21, 2024, the Company received written notice from The Nasdaq Capital Market (“Nasdaq”) stating that the Company was not in compliance with Nasdaq Listing Rule 5…

Material Modification to Rights of Security Holders. On August 22, 2025, Yunhong Green CTI, Ltd. (the “Company”) received approval from its stockholders to effect a reverse stock split (the “Reverse Stock Split”) at a ratio of one-for-ten (1:10) (the “Exchange Ratio”) of the Company’s common stock, no par value (the “Common Stock”), and a corresponding reduction of the Company’s authorized shares of Common Stock (the “Authorized Share Reduction”). The Reverse Stock Split is expected to become…

Independent Director — Darlene Chiu Bryant: Darlene Chiu Bryant was appointed as an Independent Director to fill a vacant term.

Director — Douglas Bosley: The resignation of a director without mention of a successor is considered a genuine departure.

Director — Frank Cesario: Frank Cesario resigned as Director, and Jana M. Schwan was appointed to the role.

Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard. On October 21, 2024, Yunhong Green CTI Ltd. (“CTI” or the “Company”), received written notice (the “Notice”) from The Nasdaq Capital Market (“Nasdaq”) stating that the Company was not in compliance with Nasdaq Listing Rule 5550(a)(2) (the “Minimum Bid Price Rule”) because the Company’s common stock failed to maintain a minimum closing bid price of $1.00 for 30 consecutive business days. The Notice has no immediate…

Chief Executive Officer — Frank Cesario: Frank Cesario resigned as CEO and Acting CFO, with Jana M. Schwan appointed as the new CEO.

Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard. On October 21, 2024, Yunhong Green CTI Ltd. (“CTI” or the “Company”), received written notice (the “Notice”) from The Nasdaq Capital Market (“Nasdaq”) stating that the Company was not in compliance with Nasdaq Listing Rule 5550(a)(2) (the “Minimum Bid Price Rule”) because the Company’s common stock failed to maintain a minimum closing bid price of $1.00 for 30 consecutive business days. The Notice has no immediate…

Entry into a Material Definitive Agreement. On June 30, 2024, Yunhong Green CTI Ltd. (“YGCTI” or the “Company”), entered into an Asset Purchase Agreement (the “APA”) with Yunhong Environmental Protection Technology Co., Ltd., a company incorporated under the laws of the People’s Republic of China (the “Seller”), Yunhong China Group Co., Ltd., a company incorporated under the laws of the People’s Republic of China (“Yunhong China Group” and together with the Seller, the “Seller Parties”), and…

Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard. Until April 1, 2024, Yunhong Green CTI Ltd. (“YGCTI” or the “Company”), had engaged BF Borgers CPA PC (BFB) as the Company’s independent registered public accounting firm. The audit relationship began during December 2022 and included audits of the financial statements and related Form 10-K filings for the periods ended December 31, 2022 and December 31, 2023. The Audit Committee selected Wolf & Company, PC as the…

Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard. Until April 1, 2024, Yunhong Green CTI Ltd. (“YGCTI” or the “Company”), had engaged BF Borgers CPA PC (BFB) as the Company’s independent registered public accounting firm. The audit relationship began during December 2022 and included audits of the financial statements and related Form 10-K filings for the periods ended December 31, 2022 and December 31, 2023. The Audit Committee selected Wolf & Company, PC as the…

Change in Registrant’s Certifying Accountant. (a) Dismissal of Independent Registered Public Accountant The Audit Committee of the Board of Directors (the “Audit Committee”) of Yunhong Green CTI Ltd. (the “Company”), instructed the Company’s CEO to terminate the engagement with BF Borgers CPA PC (BFB), the Company’s independent registered public accounting firm, on April 1, 2024. The audit relationship began during December 2022. The Audit Committee has selected Wolf & Company, PC as the Comp…

Entry into a Material Definitive Agreement. Stock Purchase Agreement for Series E Preferred Stock / Series E Investor Warrant On March 11, 2024, Yunhong Green CTI Ltd. (the “Company”), entered into a Stock Purchase Agreement (the “Series E Preferred SPA”) with Wickbur Holdings LLC (the “Series E Investor”), pursuant to which the Company agreed to issue and sell, and the Series E Investor agreed to purchase, 130,000 shares of the Company’s newly created Series E Convertible Preferred Stock (“S…

by reference. Forward-Looking Statements This Current Report on Form 8-K contains forward-looking statements. Statements made in this report that are not historical facts are “forward-looking” statements (within the meaning of Section 21E of the Securities Exchange Act of 1934) that involve risks and uncertainties and are subject to change at any time. These “forward-looking” statements may include, but are not limited to, statements containing words such as “may,” “should,” “could,” “would,”…

Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard. As previously reported, on May 26, 2022, Yunhong CTI Ltd. (“CTI”, the “Company” or “we”), received a written deficiency notice (the “May 2022 Notice”) from The Nasdaq Capital Market (“Nasdaq”) stating that the Company was not in compliance with Nasdaq Listing Rule 5550(a)(2) (the “Minimum Bid Price Rule”) because the Company’s common stock had failed to maintain a minimum closing bid price of $1.00 over the prior…

Change in Registrant’s Certifying Accountant. (a) Dismissal of Independent Registered Public Accountant The Audit Committee of the Board of Directors (the “Audit Committee”) of Yunhong CTI Ltd. (the “Company”), met with LJ Soldinger Associates, LLC (LJSA), the Company’s independent registered public accounting firm, on November 8, 2022. The audit relationship began during April 2022 and the Audit Committee and LJSA mutually disclosed to the other that they did not feel it was working to the s…

Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard. As previously reported, on January 12, 2022, Yunhong CTI Ltd. (“CTI” or the “Company”), received a notice (the “Notice”) of failure to satisfy a continued listing standard from Nasdaq under Listing Rules 5620 (a) and 5810(c)(2)(G). The Notice indicated that the Company failed to hold an annual meeting of stockholders within the required twelve-month period. The Company had 45 days to submit a plan to regain compli…

Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard. On May 26, 2022, Yunhong CTI Ltd. (“CTI” or the “Company”), received written notice (the “Notice”) from The Nasdaq Capital Market (“Nasdaq”) stating that the Company was not in compliance with Nasdaq Listing Rule 5550(a)(2) (the “Minimum Bid Price Rule”) because the Company’s common stock failed to maintain a minimum closing bid price of $1.00 for 30 consecutive business days. The Notice has no immediate effect on…

Change in Registrant ’ s Certifying Accountant. (a) Dismissal of Independent Registered Public Accountant The Audit Committee of the Board of Directors (the “Audit Committee”) of Yunhong CTI Ltd. (the “Company”), directed the Company’s Chief Executive Officer, to call RBSM LLP (“RBSM”), the Company’s independent registered public accounting firm, on April 19, 2022. During this call, the Company informed RBSM that the Audit Committee has decided to terminate its engagement of RBSM as the Compa…