Press Release: Tempest Reports Year End 2024 Financial Results and Provides Business Update

Dow Jones03-27

Tempest Reports Year End 2024 Financial Results and Provides Business Update

-- Granted Both Orphan Drug & Fast Track designations for Amezalpat (TPST-1120) for the treatment of patients with Hepatocellular Carcinoma $(HCC)$

-- Announced Agreement with Roche to Support Advancement of Amezalpat Combination Therapy into First-Line HCC Pivotal Trial

-- Received FDA "Study May Proceed" letter for Phase 2 trial of TPST-1495 for the treatment of Familial Adenomatous Polyposis (FAP)

BRISBANE, Calif., March 27, 2025 (GLOBE NEWSWIRE) -- Tempest Therapeutics, Inc. (Nasdaq: TPST), a clinical-stage biotechnology company developing first-in-class(1) targeted and immune-mediated therapeutics to fight cancer, today reported financial results for the year ended 2024 and provided a corporate update.

"2024 was another year filled with significant progress and milestone achievements that position Tempest for a successful future," said Stephen Brady, president and chief executive officer of Tempest. "Despite challenging capital markets, our lean team excelled, reporting key OS data from the ongoing randomized Phase 2 trial of amezalpat in first-line hepatocellular carcinoma. As previously announced, we have secured broad regulatory agreement with both the FDA and EMA on the Phase 3 plan and received both Orphan Drug and Fast Track designations from the FDA. We also advanced our second clinical program, TPST-1495, with a Phase 2 clinical trial for the treatment of patients with FAP, with data expected in 2026. Our focus remains on execution with excellence while securing the resources necessary to drive these promising drug candidates forward."

2024 & Recent Accomplishments

Amezalpat (TPST-1120) (clinical PPAR<ALPHA> antagonist):

   -- Granted both Orphan Drug and Fast Track designations by the U.S. Food and 
      Drug Administration (FDA) for amezalpat for the treatment of patients 
      with HCC. 
 
   -- Received a "Study May Proceed" letter from the FDA to evaluate amezalpat 
      in combination with atezolizumab (TECENTRIQ$(R)$) and bevacizumab 
      (Avastin(R)), the current standard of care for unresectable or metastatic 
      HCC, in a pivotal Phase 3 trial for the first-line treatment of 
      unresectable or metastatic HCC. 
 
   -- Announced an agreement with F. Hoffmann-La Roche Ltd. (Roche) to advance 
      the evaluation of amezalpat in combination with atezolizumab and 
      bevacizumab into a pivotal Phase 3 trial for the first-line treatment of 
      unresectable or metastatic HCC. 
 
   -- Announced positive feedback from the end-of-Phase 2 meeting with the FDA 
      for amezalpat in combination with atezolizumab and bevacizumab to treat 
      first-line unresectable or metastatic HCC. 
 
   -- Reported new positive survival data from the ongoing global randomized 
      Phase 1b/2 clinical study demonstrating that amezalpat delivered a 
      six-month improvement in median overall survival (OS) when combined with 
      atezolizumab and bevacizumab in comparison to atezolizumab and 
      bevacizumab alone, the standard of care, in the first-line treatment of 
      patients with unresectable or metastatic HCC. 
 
   -- Published positive data from Phase 1 trial of amezalpat in patients with 
      advanced solid tumors in the Journal of Cancer Research Communications. 
      Data showed that amezalpat demonstrated clinical activity, including 
      tumor shrinkage, even in PD-1 inhibitor-refractory and immune-compromised 
      cancers. These data complement the positive Phase 1b/2 data reported in 
      October 2023 and June 2024 from a global randomized study of amezalpat in 
      combination with atezolizumab and bevacizumab in first-line patients with 
      advanced HCC. 
 
   -- Reported new preclinical data at the 2024 American Association for Cancer 
      Research (AACR) Annual Meeting demonstrating that amezalpat reduces 
      kidney cancer growth as a monotherapy, while also showing increased 
      inhibition when combined with frontline chemotherapy and immunotherapy. 
      These data further support the clinical benefit observed in the amezalpat 
      Phase 1 data presented in an oral presentation at ASCO 2022. 
   -- TPST-1495 (clinical dual EP2/4 prostaglandin receptor antagonist) 
 
          -- Received a "Study May Proceed" letter from the FDA to evaluate 
             TPST-1495 in a Phase 2 Trial for the treatment of FAP. 
 
   -- Corporate: 
 
          -- Expanded leadership team to strengthen global clinical expertise 
             with the appointments of Troy M. Wagner as Vice President of 
             Quality Assurance and Sheldon Mullins as Vice President of 
             Regulatory Affairs. 

Potential Future Milestones

   -- Amezalpat (TPST-1120) (clinical PPAR<ALPHA> antagonist) 
 
          -- Plan to advance amezalpat into a registrational study in 
             first-line liver cancer patients, subject to obtaining additional 
             resources. 
 
   -- TPST-1495 (clinical dual EP2/4 prostaglandin receptor antagonist) 
 
          -- Plan to advance TPST-1495 into a Phase 2 study in patients with 
             FAP under the auspices of the Cancer Prevention Clinical Trials 
             Network and funded by the National Cancer Institute $(NCI)$ Division 
             of Cancer Prevention in 2025, with data expected in 2026. 

Financial Results

Year End 2024

   -- Tempest ended the year with $30.3 million in cash and cash equivalents, 
      compared to $39.2 million on December 31, 2023. The decrease was 
      primarily due to cash used in operating activities, offset by proceeds 
      from the issuance of common stock of $28.6 million from the at-the-market 
      offering program. 
 
   -- Net loss and net loss per share for the year were $41.8 million and 
      $1.50, respectively, compared to $29.5 million and $1.91, respectively, 
      for the same period in 2023. 
 
   -- Research and development expenses for the year were $28.5 million 
      compared to $17.5 million for the same period in 2023. The $11.0 million 
      increase was primarily due to an increase in costs incurred from engaging 
      contract research and manufacturing organizations in preparation for our 
      pivotal Phase 3 trial of amezalpat for the treatment of first-line HCC. 
 
   -- General and administrative expenses for the year were $13.6 million 
      compared to $11.7 million for the same period in 2023. The $1.9 million 
      increase was primarily due to an increase in stock-based compensation 
      expense due to increased headcount as well as an increase in expenses 
      related to legal and consulting services. 

About Tempest Therapeutics

Tempest Therapeutics is a clinical-stage biotechnology company advancing a diverse portfolio of small molecule product candidates containing tumor-targeted and/or immune-mediated mechanisms with the potential to treat a wide range of tumors. The company's novel programs range from early research to later-stage investigation in a randomized global study in first-line cancer patients. Tempest is headquartered in Brisbane, California. More information about Tempest can be found on the company's website at www.tempesttx.com.

Forward-Looking Statements

This press release contains forward-looking statements (including within the meaning of Section 21E of the Securities Exchange Act of 1934, as amended, and Section 27A of the Securities Act of 1933, as amended (the "Securities Act")) concerning Tempest Therapeutics, Inc. These statements may discuss goals, intentions, and expectations as to future plans, trends, events, results of operations or financial condition, or otherwise, based on current beliefs of the management of Tempest Therapeutics, as well as assumptions made by, and information currently available to, management of Tempest Therapeutics. Forward-looking statements generally include statements that are predictive in nature and depend upon or refer to future events or conditions, and include words such as "may," "will," "should," "would," "could", "expect," "anticipate," "plan," "likely," "believe," "estimate," "project," "intend," and other similar expressions. All statements that are not historical facts are forward-looking statements, including any statements regarding: the design, initiation, progress, timing, scope and results of clinical trials, including the anticipated Phase 3 study for amezalpat and Phase 2 Trial of TPST-1495; anticipated therapeutic benefit and regulatory development of the Company's product candidates; the Company's ability to advance into a late-stage clinical company; the Company's ability to secure resources and funding; and the Company's ability to achieve its operational plans. Forward-looking statements are based on information available to Tempest Therapeutics as of the date hereof and are not guarantees of future performance. Any factors may cause differences between current expectations and actual results, including: unexpected safety or efficacy data observed during preclinical or clinical trials; clinical trial site activation or enrollment rates that are lower than expected; changes in expected or existing competition; changes in the regulatory environment; and unexpected litigation or other disputes. Other factors that may cause actual results to differ from those expressed or implied are discussed in greater detail in the "Risk Factors" section of the Company's Quarterly Report on Form 10-Q for the quarter ended September 30, 2024 and other documents filed by the Company from time to time with the Securities and Exchange Commission. Except as required by applicable law, Tempest Therapeutics undertakes no obligation to revise or update any forward-looking statement, or to make any other forward-looking statements, whether as a result of new information, future events or otherwise. These forward-looking statements should not be relied upon as representing Tempest Therapeutics' views as of any date subsequent to the date of this press release and should not be relied upon as prediction of

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