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Recently announced positive data from pivotal randomized, placebo-controlled phase 3 clinical trial of CAN-2409 in intermediate-to-high risk, localized prostate cancer Recently announced positive final data from randomized controlled phase 2a clinical trial of CAN-2409 in borderline resectable pancreatic ductal adenocarcinoma On track to report biomarker and final overall survival data from open label phase 2a clinical trial per protocol analysis in non-small cell lung cancer (NSCLC) patients who received two administrations of CAN-2409, expected in Q1 2025 On track to report biomarker and initial survival data from ongoing phase 1b trial evaluating multiple doses of CAN-3110 in patients with recurrent high-grade glioma (rHGG), expected in Q4 2025 Preparations for Biologics License Application (BLA) for CAN-2409 in prostate cancer underway, with submission expected in Q4 2026 NEEDHAM, Mass., March 13, 2025 (GLOBE NEWSWIRE) -- Candel Therapeutics, Inc. (Candel or the Company) (Nasdaq: CADL), a clinical stage biopharmaceutical company focused on developing multimodal biological immunotherapies to help patients fight cancer, announced today financial results for the fourth quarter and year ended December 31, 2024, and provided a corporate update. “Last year was transformational for Candel, driven by our team’s incredible focus and execution of the Company’s key priorities,” said Paul Peter Tak, MD PhD FMedSci, President and CEO of Candel. “We delivered positive data across our platforms, including pivotal topline phase 3 data for CAN-2409 in intermediate-to-high-risk localized prostate cancer in December, which we believe shows the potential of CAN-2409, if approved, to redefine the current standard of care for patients with prostate cancer.” Dr. Tak continued, “We enter 2025 well-resourced with a clear direction and mandate. Our primary focus for the year is working toward readiness to submit CAN-2409’s BLA for prostate cancer, a key opportunity to address a very significant unmet need and opportunity for value creation. In addition, we continue to explore the efficacy of CAN-2409 in other indications, as evidenced by our recently disclosed positive final overall survival data for CAN-2409 in a randomized controlled phase 2a trial in borderline resectable pancreatic cancer. This result has triggered enabling work, which will include scientific advisory boards and engagement with the FDA, to get ready for a larger, late-stage, randomized clinical trial in this indication in the future. In addition, we anticipate final overall survival and biomarker data from our open label phase 2a clinical trial of CAN-2409 in therapy-resistant non-small cell lung cancer patients in the very near future. This study may also trigger similar enabling work. In Q4 2025, we will also provide a clinical and biomarker update from our ongoing phase 1b clinical trial evaluating multiple doses of CAN-3110 in patients with recurrent high-grade glioma. Finally, we have also made significant progress with our preclinical programs, leveraging the enLIGHTENTM Discovery Platform.” Fourth Quarter 2024 & Recent Highlights CAN-2409 - Pancreatic Cancer Positive final survival data from the randomized controlled phase 2a clinical trial of CAN-2409 in borderline resectable pancreatic ductal adenocarcinoma (PDAC), demonstrating notable improvement in overall survival. Patients who had received experimental treatment with CAN-2409 and standard of care achieved a median overall survival of 31.4 months versus only 12.5 months observed in the control arm treated with standard of care. Notably, long-term survivors in the CAN-2409 arm remained alive at 66.0, 63.6, and 35.8-months post-enrollment, whereas only one patient from the control arm was still alive at the time of data cut-off (February 20, 2025). Patients in the experimental arm were stable at the time of last follow up with minimal maintenance therapy and, despite previous recurrence, experienced extended and ongoing post-progression survival, further highlighting the sustained benefit of CAN-2409, even in metastatic disease. The U.S. Food and Drug Administration (FDA) previously granted orphan drug designation and fast track designation for CAN-2409 in borderline resectable PDAC. CAN-2409 – Prostate Cancer In December 2024, the Company reported positive topline data from its multicenter, randomized, placebo-controlled phase 3 clinical trial evaluating CAN-2409 in intermediate-to-high-risk localized prostate cancer patients. The study met its primary endpoint by demonstrating statistically significant improvement in disease-free survival (DFS) in patients who received CAN-2409 plus valacyclovir (prodrug) combined with standard of care external beam radiation therapy (n=496) compared to standard of care alone (n=249) within the intent to treat population. The data showed a 30% reduction in the risk for prostate cancer recurrence or death due to any cause for the CAN-2409 treatment arm compared to placebo control arm (p=0.0155), and 80.4% pathological complete responses in 2-year post-treatment biopsies after CAN-2409 administration compared to 63.6% in the control arm (p=0.0015). The safety profile of CAN-2409 was generally consistent with previous studies, with no new safety signals identified. This study was conducted under a Special Protocol Assessment (SPA) agreed with the FDA, meaning that safety and efficacy data generated from this study could be sufficient for the Company to seek regulatory approval for CAN-2409 in this indication. The FDA previously granted fast track designation for CAN-2409 for the treatment of localized primary prostate cancer. CAN-3110 – Recurrent High-Grade Glioma Presented updated clinical and biomarker activity data from cohort C of a phase 1b clinical trial during the 6th Annual International Oncolytic Virotherapy Conference (IOVC) in October 2024. The Principal Investigator reported ongoing improved survival compared to historical controls, with 3 out of 6 patients still alive after more than one year (12.2, 13.0 and 18.7 months, respectively) after initiation of experimental treatment with repeated administrations of CAN-3110. The FDA granted fast track designation and orphan drug designation to CAN-3110 for the treatment of rHGG in February and May 2024, respectively. CAN-3110 – Melanoma Presented preclinical results on the therapeutic potential of CAN-3110 in the Ras-Raf pathway altered melanoma model at the Society for Immunotherapy of Cancer (SITC) 2024 Annual Meeting. CAN-3110 exhibited potent, tumor-specific cytotoxicity in human and murine melanoma cell lines with varied CDKN2A pathway alterations and Nestin expression. In vivo mouse studies showed dose-dependent inhibition of tumor growth, with regression observed in a subset (3 of 8) of tumor bearing animals treated with a high dose of CAN-3110. CAN-3110 treatment was well-tolerated in melanoma preclinical mouse models based on body weight and histopathological analysis following intra-tumoral administration. enLIGHTEN™ Discovery Platform Presented data on a new multimodal viral therapeutic candidate encoding IL-12 and IL-15 during IOVC 2024. Data showed the ability of the asset to induce expansion and activation of natural killer and CD8+ T cell populations, resulting in significant tumor growth inhibition and tumor regression in two different models. Recent Corporate Events In December 2024, the Company completed an underwritten public offering of 12,000,001 shares of its common stock (inclusive of the exercise of the underwriters’ option to purchase additional shares in full) at a price to the public of $6.00 per share, and pre-funded warrants to purchase up to 3,333,333 shares of its common stock at a price to the public of $5.99 per warrant with an exercise price of $0.01 per pre-funded warrant, resulting in net proceeds of approximately $85.9 million. The offering closed on December 16, 2024. Positive final survival data from the randomized controlled phase 2a clinical trial of CAN-2409 in borderline resectable pancreatic ductal adenocarcinoma (PDAC), demonstrating notable improvement in overall survival. Patients who had received experimental treatment with CAN-2409 and standard of care achieved a median overall survival of 31.4 months versus only 12.5 months observed in the control arm treated with standard of care. Notably, long-term survivors in the CAN-2409 arm remained alive at 66.0, 63.6, and 35.8-months post-enrollment, whereas only one patient from the control arm was still alive at the time of data cut-off (February 20, 2025). Patients in the experimental arm were stable at the time of last follow up with minimal maintenance therapy and, despite previous recurrence, experienced extended and ongoing post-progression survival, further highlighting the sustained benefit of CAN-2409, even in metastatic disease. The U.S. Food and Drug Administration (FDA) previously granted orphan drug designation and fast track designation for CAN-2409 in borderline resectable PDAC. In December 2024, the Company reported positive topline data from its multicenter, randomized, placebo-controlled phase 3 clinical trial evaluating CAN-2409 in intermediate-to-high-risk localized prostate cancer patients. The study met its primary endpoint by demonstrating statistically significant improvement in disease-free survival (DFS) in patients who received CAN-2409 plus valacyclovir (prodrug) combined with standard of care external beam radiation therapy (n=496) compared to standard of care alone (n=249) within the intent to treat population. The data showed a 30% reduction in the risk for prostate cancer recurrence or death due to any cause for the CAN-2409 treatment arm compared to placebo control arm (p=0.0155), and 80.4% pathological complete responses in 2-year post-treatment biopsies after CAN-2409 administration compared to 63.6% in the control arm (p=0.0015). The safety profile of CAN-2409 was generally consistent with previous studies, with no new safety signals identified. This study was conducted under a Special Protocol Assessment (SPA) agreed with the FDA, meaning that safety and efficacy data generated from this study could be sufficient for the Company to seek regulatory approval for CAN-2409 in this indication. The FDA previously granted fast track designation for CAN-2409 for the treatment of localized primary prostate cancer. Presented updated clinical and biomarker activity data from cohort C of a phase 1b clinical trial during the 6th Annual International Oncolytic Virotherapy Conference (IOVC) in October 2024. The Principal Investigator reported ongoing improved survival compared to historical controls, with 3 out of 6 patients still alive after more than one year (12.2, 13.0 and 18.7 months, respectively) after initiation of experimental treatment with repeated administrations of CAN-3110. The FDA granted fast track designation and orphan drug designation to CAN-3110 for the treatment of rHGG in February and May 2024, respectively. Presented preclinical results on the therapeutic potential of CAN-3110 in the Ras-Raf pathway altered melanoma model at the Society for Immunotherapy of Cancer (SITC) 2024 Annual Meeting. CAN-3110 exhibited potent, tumor-specific cytotoxicity in human and murine melanoma cell lines with varied CDKN2A pathway alterations and Nestin expression. In vivo mouse studies showed dose-dependent inhibition of tumor growth, with regression observed in a subset (3 of 8) of tumor bearing animals treated with a high dose of CAN-3110. CAN-3110 treatment was well-tolerated in melanoma preclinical mouse models based on body weight and histopathological analysis following intra-tumoral administration. Presented data on a new multimodal viral therapeutic candidate encoding IL-12 and IL-15 during IOVC 2024. Data showed the ability of the asset to induce expansion and activation of natural killer and CD8+ T cell populations, resulting in significant tumor growth inhibition and tumor regression in two different models. In December 2024, the Company completed an underwritten public offering of 12,000,001 shares of its common stock (inclusive of the exercise of the underwriters’ option to purchase additional shares in full) at a price to the public of $6.00 per share, and pre-funded warrants to purchase up to 3,333,333 shares of its common stock at a price to the public of $5.99 per warrant with an exercise price of $0.01 per pre-funded warrant, resulting in net proceeds of approximately $85.9 million. The offering closed on December 16, 2024. Anticipated Milestones Final overall survival data from phase 2a clinical trial evaluating CAN-2409 in patients with NSCLC and an inadequate response to immune checkpoint inhibitors, expected in Q1 2025. Biomarker and initial overall survival data from ongoing phase 1b clinical trial evaluating multiple doses of CAN-3110 in patients with rHGG, expected in Q4 2025. Financial Results for the Year and Fourth Quarter Ended December 31, 2024 Research and Development Expenses: Research and development expenses were $4.8 million for the fourth quarter of 2024 compared to $7.3 million for the fourth quarter of 2023, and $19.3 million for the full year 2024 compared to $24.5 million for the full year 2023. The decrease was primarily due to lower regulatory, manufacturing and clinical trial costs in support of the Company’s CAN-2409 programs and lower payroll-related expenses following the corporate restructuring in the fourth quarter of 2023. Research and development expenses included a non-cash stock compensation expense of $0.8 million and $3.3 million for the fourth quarter and full year of 2024, respectively, as compared to a non-cash stock compensation expense of $0.5 million and $1.3 million for the fourth quarter and full year of 2023. General and Administrative Expenses: General and administrative expenses were $3.3 million for the fourth quarter of 2024 compared to $3.1 million for the fourth quarter of 2023, and $14.1 million for the full year 2024 compared to $13.9 million for the full year 2023. The increase was primarily due to higher professional and consulting fees, which were partially offset by decreased payroll-related expenses following the corporate restructuring in the fourth quarter of 2023. General and administrative expenses included non-cash stock compensation expense of $0.4 million and $2.0 million for the fourth quarter and full year of 2024, respectively, as compared to a non-cash stock compensation expense of $0.5 million and $1.7 million for the fourth quarter and full year of 2023. Net Loss: Net loss for the fourth quarter of 2024 was $14.1 million compared to a net loss of $11.1 million for the fourth quarter of 2023, and included net other expense of $5.9 million and $0.8 million, respectively, related primarily to the change in the fair value of the Company’s warrant liability. Net loss for the full year 2024 was $55.2 million compared to a net loss of $37.9 million for the full year 2023 and included net other expense of $21.8 million and net other income of $0.5 million, respectively. The change from net other income in 2023 to net other expense in 2024 primarily related to the change in the fair value of the Company’s warrant liability. Cash Position: Cash and cash equivalents as of December 31, 2024 were $102.7 million, as compared to $35.4 million as of December 31, 2023. Based on current plans and assumptions, the Company expects that its existing cash and cash equivalents will be sufficient to fund its current operating plan into the first quarter of 2027. About CAN-2409 CAN-2409, Candel’s most advanced multimodal biological immunotherapy candidate, is an investigational, off-the-shelf, replication-defective adenovirus designed to deliver the herpes simplex virus thymidine kinase (HSV-tk) gene to a patient’s specific tumor and induce an individualized, systemic immune response against the tumor. HSV-tk is an enzyme that locally converts orally administered valacyclovir into a toxic metabolite that kills nearby cancer cells. Together, this regimen is designed to induce an individualized and specific CD8+ T cell-mediated response against the injected tumor and un-injected distant metastases for broad anti-tumor activity, based on in situ vaccination against a variety of tumor antigens. Because of its versatility, CAN-2409 has the potential to treat a broad range of solid tumors. Encouraging monotherapy activity as well as combination activity with standard of care radiotherapy, surgery, chemotherapy, and immune checkpoint inhibitors have previously been shown in several preclinical and clinical settings. More than 1,000 patients have been dosed with CAN-2409 with a favorable tolerability profile to date, supporting the potential for combination with other therapeutic strategies. Currently, Candel is evaluating CAN-2409 in NSCLC and borderline resectable PDAC, in ongoing clinical trials, and has recently completed a successful phase 3 clinical trial in localized prostate cancer. CAN-2409 plus prodrug (valacyclovir) has been granted fast track designation by the FDA for the treatment of PDAC, stage III/IV NSCLC in patients who are resistant to first line PD-(L)1 inhibitor therapy and who do not have activating molecular driver mutations or have progressed on directed molecular therapy, and localized primary prostate cancer. Candel’s pivotal phase 3 clinical trial in prostate cancer was conducted under a SPA agreed with the FDA. The FDA has also granted orphan drug designation to CAN-2409 for the treatment of PDAC. About CAN-3110 CAN-3110 is a first-in-class, replication-competent herpes simplex virus-1 (HSV-1) oncolytic viral immunotherapy candidate designed with dual activity for oncolysis and immune activation in a single therapeutic. CAN-3110 is being evaluated in a phase 1b clinical trial in patients with rHGG. In October 2023, the Company announced that Nature published results from this ongoing clinical trial. CAN-3110 was well tolerated with no dose-limiting toxicity reported. In the clinical trial, the investigators observed improved median overall survival compared to historical controls after a single CAN-3110 injection in this therapy-resistant condition.1 The Company and academic collaborators are currently evaluating the effects of multiple CAN-3110 injections in rHGG, supported by the Break Through Cancer foundation. CAN-3110 has previously received FDA fast track designation and orphan drug designation for the treatment of rHGG. About the enLIGHTEN™ Discovery Platform The enLIGHTEN™ Discovery Platform is a systematic, iterative herpes simplex virus (HSV)-based discovery platform leveraging human biology and advanced analytics to create new multimodal biological immunotherapies for solid tumors. The enLIGHTEN™ Discovery Platform has been designed to deconvolute the characteristics of the tumor microenvironment related to clinical outcomes. These characteristics are rapidly translated into optimized multi-gene payloads of tumor modulators that can be delivered to the tumor microenvironment for specific indications, disease stages, and rationally designed therapeutic combinations. In 2022, the Company announced a discovery partnership with the University of Pennsylvania Center for Cellular Immunotherapies to create new viral immunotherapies that could enhance the efficacy of chimeric antigen receptor T cell (CAR-T) therapy in solid tumors. During the SITC 2023 Annual Meeting and the 2023 IOVC meeting, Candel presented encouraging data on the first candidate from this platform, Alpha 201-macro-1, which was designed to interfere with the CD47/SIRP1α pathway, in mouse models of breast cancer and lung cancer. During the AACR Annual Meeting 2024, Candel presented preclinical data, unveiling the second candidate from the enLIGHTEN™ Discovery Platform, a first-in-class multimodal immunotherapy candidate to induce tertiary lymphoid structures, being developed as a novel therapeutic for solid tumors. Candel presented data at the 2024 IOVC meeting. The presentation focused on a multimodal viral therapeutic candidate encoding IL-12 and IL-15, the latest asset from the platform. About Candel Therapeutics Candel is a clinical stage biopharmaceutical company focused on developing off-the-shelf multimodal biological immunotherapies that elicit an individualized, systemic anti-tumor immune response to help patients fight cancer. Candel has established two clinical stage multimodal biological immunotherapy platforms based on novel, genetically modified adenovirus and HSV gene constructs, respectively. CAN-2409 is the lead product candidate from the adenovirus platform and is currently in an ongoing phase 2a clinical trial in NSCLC and recently completed phase 2a and phase 3 clinical trials in pancreatic cancer and localized prostate cancer, respectively. CAN-3110 is the lead product candidate from the HSV platform and is currently in an ongoing phase 1b clinical trial in rHGG. Finally, Candel’s enLIGHTEN™ Discovery Platform is a systematic, iterative HSV-based discovery platform leveraging human biology and advanced analytics to create new viral immunotherapies for solid tumors. For more information about Candel, visit: www.candeltx.com Forward-Looking Statements This press release includes certain disclosures that contain “forward-looking statements,” within the meaning of the Private Securities Litigation Reform Act of 1995, as amended, including, without limitation, express or implied statements regarding the timing and advancement of current and future development programs, including the timing and availability of additional data and key data readout milestones and presentations; expectations regarding early biological readouts as predictor of clinical response; expectations regarding the therapeutic benefit of the Company’s platforms, including the ability of its platforms to improve overall survival and/or disease-free survival of patients living with difficult to treat, solid tumors; and expectations regarding cash runway and expenditures. The words “may,” “will,” “could,” “would,” “should,” “expect,” “plan,” “anticipate,” “intend,” “believe,” “estimate,” “predict,” “project,” “potential,” “continue,” “target” and similar expressions are intended to identify forward-looking statements, although not all forward-looking statements contain these identifying words. Any forward-looking statements in this press release are based on management’s current expectations and beliefs and are subject to a number of risks, uncertainties and important factors that may cause actual events or results to differ materially from those expressed or implied by any forward-looking statements contained in this press release, including, without limitation, those risks and uncertainties related to the timing and advancement of development programs; expectations regarding the therapeutic benefit of the Company’s programs; that final data from the Company’s preclinical studies and completed clinical trials may differ materially from reported interim data from ongoing studies and trials; the Company’s ability to efficiently discover and develop product candidates; the Company’s ability to obtain and maintain regulatory approval of product candidates; the Company’s ability to maintain its intellectual property; the implementation of the Company’s business model, including strategic plans for the Company’s business and product candidates; and other risks identified in the Company’s filings with the U.S. Securities and Exchange Commission (SEC) including the Company’s most recent Annual Report on Form 10-K filed with the SEC and subsequent filings with the SEC. The Company cautions you not to place undue reliance on any forward-looking statements, which speak only as of the date they are made. The Company disclaims any obligation to publicly update or revise any such statements to reflect any change in expectations or in events, conditions, or circumstances on which any such statements may be based, or that may affect the likelihood that actual results will differ from those set forth in the forward-looking statements. Any forward-looking statements contained in this press release represent the Company’s views only as of the date hereof and should not be relied upon as representing its views as of any subsequent date. Investor Contact Theodore Jenkins Vice President, Investor Relations, and Business Development Candel Therapeutics, Inc. tjenkins@candeltx.com Media Contact Ben Shannon Vice President ICR Healthcare CandelPR@icrhealthcare.com ______________________________ 1 Ling AL, et al. Nature. 2023;623(7985):157-166.

On track to report updated overall survival data for CAN-2409 from phase 2a clinical trials in pancreatic ductal adenocarcinoma (PDAC) and non-small cell lung cancer (NSCLC), expected in Q1 2025 Preparations for Biologics License Application (BLA) for CAN-2409 in prostate cancer underway, with submission expected in Q4 2026 The Company intends to present phase 3 clinical trial data from CAN-2409 in prostate cancer at upcoming scientific conferences On track to report overall survival data in patients with recurrent high-grade glioma (rHGG) from ongoing phase 1b trial evaluating multiple doses of CAN-3110, expected in Q4 2025 The Company expects that its cash and cash equivalents of approximately $103M (unaudited) as of December 31, 2024, will be sufficient to fund its current operating plan into Q1 of 2027 NEEDHAM, Mass., Jan. 13, 2025 (GLOBE NEWSWIRE) -- Candel Therapeutics, Inc. (Candel or the Company) (Nasdaq: CADL), a clinical stage biopharmaceutical company focused on developing multimodal biological immunotherapies to help patients fight cancer, today highlighted recent successes across the Company's viral immunotherapy portfolio and provided an update on the Company’s cash position and upcoming 2025 milestones. “I am incredibly proud of the Candel team for their successful execution of our 2024 priorities,” said Paul Peter Tak, MD, PhD, FMedSci, President and Chief Executive Officer of Candel. “We demonstrated substantial clinical activity for our investigational medicines and delivered strong results across our pipeline, including positive and pivotal topline phase 3 data for CAN-2409 in intermediate-to-high risk localized prostate cancer, positive topline overall survival data from the phase 2a randomized controlled clinical trial of CAN-2409 in borderline resectable PDAC, as well as topline overall survival data from the open label phase 2a clinical trial of CAN-2409 in patients with stage III/IV NSCLC. We have also reported initial clinical and biomarker activity after repeated injection of CAN-3110 in the ongoing phase 1b clinical trial in rHGG and encouraging data demonstrating CAN-3110’s potential in a second indication, in a model of melanoma. In 2024, we also presented data on two novel experimental assets generated using Candel’s enLIGHTEN™ Discovery Platform. During the 2024 American Association for Cancer Research (AACR) Annual Meeting, we reported preclinical data for the first-in-class, tertiary lymphoid structure (TLS) inducer viral immunotherapy, and during the 2024 International Oncolytic Virotherapy Conference (IOVC), we presented data on a multimodal immunotherapy that delivers interleukin-12 (IL-12) and interleukin-15 (IL-15) to the tumor microenvironment.” Dr. Tak continued, “We are entering 2025 with clear momentum. Our primary focus will be achieving BLA readiness for CAN-2409 in prostate cancer. If approved, we believe that CAN-2409 has the potential to become a first-line treatment, as an addition to radiation therapy to reduce the risk of recurrence of prostate cancer, and to redefine the current standard-of-care for prostate cancer patients. In the upcoming months we look forward to collaborating closely with the FDA to ensure alignment in preparation for our BLA submission which, if approved, would enable us to deliver this much-needed therapy to patients.” 2024 Accomplishments CAN-2409 – Prostate Cancer In December 2024, the Company reported positive topline data from its multicenter phase 3 clinical trial evaluating CAN-2409 in intermediate-to-high-risk localized prostate cancer patients. The study met its primary endpoint by demonstrating statistically significant improvement in disease-free survival (DFS) in patients who received CAN-2409 plus valacyclovir (prodrug) combined with standard of care (SoC) external beam radiation therapy (n=496) compared to standard of care alone (n=249) in the intent to treat population. The data showed a 30% reduction in the risk for prostate cancer recurrence or death due to any cause for the CAN-2409 treatment arm compared to placebo control arm (p=0.0155), and 80.4% pathological complete responses in 2-year post-treatment biopsies after CAN-2409 administration compared to 63.6% in the control arm (p=0.0015). The safety profile of CAN-2409 was generally consistent with previous studies, with no new safety signals identified. This study was conducted under a Special Protocol Assessment (SPA) with U.S. Food and Drug Administration (FDA) agreement on key aspects of study design, meaning that safety and efficacy data generated from the study could be sufficient for the Company to seek regulatory approval for CAN-2409 in this indication. FDA previously granted Fast Track Designation for CAN-2409 for the treatment of prostate cancer. In December 2024, the Company reported positive topline data from its multicenter phase 3 clinical trial evaluating CAN-2409 in intermediate-to-high-risk localized prostate cancer patients. The study met its primary endpoint by demonstrating statistically significant improvement in disease-free survival (DFS) in patients who received CAN-2409 plus valacyclovir (prodrug) combined with standard of care (SoC) external beam radiation therapy (n=496) compared to standard of care alone (n=249) in the intent to treat population. The data showed a 30% reduction in the risk for prostate cancer recurrence or death due to any cause for the CAN-2409 treatment arm compared to placebo control arm (p=0.0155), and 80.4% pathological complete responses in 2-year post-treatment biopsies after CAN-2409 administration compared to 63.6% in the control arm (p=0.0015). The safety profile of CAN-2409 was generally consistent with previous studies, with no new safety signals identified. This study was conducted under a Special Protocol Assessment (SPA) with U.S. Food and Drug Administration (FDA) agreement on key aspects of study design, meaning that safety and efficacy data generated from the study could be sufficient for the Company to seek regulatory approval for CAN-2409 in this indication. FDA previously granted Fast Track Designation for CAN-2409 for the treatment of prostate cancer. CAN-2409 - Pancreatic Cancer In April 2024, the Company announced positive updated survival data from the phase 2a randomized controlled clinical trial of CAN-2409 plus valacyclovir (prodrug), together with SoC chemoradiation, in borderline resectable PDAC (n=13). The data showed notable improvements in estimated median overall survival (mOS) of 28.8 months after experimental treatment with CAN-2409 versus 12.5 months in control group. At 24 months, the survival rate was 71.4% in CAN-2409-treated patients versus 16.7% in the control group. At 36 months, estimated survival was 47.6% in the CAN-2409 group versus 16.7% in the control group. FDA previously granted Fast Track Designation for CAN-2409 in borderline resectable PDAC. FDA granted Orphan Drug Designation for CAN-2409 in borderline resectable PDAC in April 2024. In April 2024, the Company announced positive updated survival data from the phase 2a randomized controlled clinical trial of CAN-2409 plus valacyclovir (prodrug), together with SoC chemoradiation, in borderline resectable PDAC (n=13). The data showed notable improvements in estimated median overall survival (mOS) of 28.8 months after experimental treatment with CAN-2409 versus 12.5 months in control group. At 24 months, the survival rate was 71.4% in CAN-2409-treated patients versus 16.7% in the control group. At 36 months, estimated survival was 47.6% in the CAN-2409 group versus 16.7% in the control group. FDA previously granted Fast Track Designation for CAN-2409 in borderline resectable PDAC. FDA granted Orphan Drug Designation for CAN-2409 in borderline resectable PDAC in April 2024. CAN-2409 – Non-Small Cell Lung Cancer At the 2024 American Society of Clinical Oncology (ASCO) Annual Meeting, the Company presented topline overall survival data from the phase 2a clinical trial of CAN-2409 plus valacyclovir in combination with continued immune checkpoint inhibitor (ICI) therapy in patients with stage III/IV NSCLC inadequately responding to ICI therapy. The data (as of April 1, 2024) showed mOS of 20.6 months in patients with progressive disease (n=41) despite ICI treatment compared to published results of less than 12 months with SoC docetaxel-based chemotherapy in similar patient populations. As of the data cut-off date, CAN-2409 treatment in NSCLC continued to exhibit a favorable safety and tolerability profile. FDA previously granted Fast Track Designation for CAN-2409 for the treatment of NSCLC. CAN-3110 – Recurrent High-Grade Glioma Presented a Trial-in-Progress poster at the 2024 ASCO Annual Meeting on the ongoing phase 1b clinical trial exploring multiple doses of CAN-3110 in patients with rHGG. Presented updated clinical and biomarker activity data at the IOVC in October 2024. Investigators reported ongoing improved survival compared to historical controls, with 3 out of 6 patients still alive after more than one year (12.2, 13.0, and 18.7 months, respectively) after initiation of experimental treatment with repeated CAN-3110 injections. FDA granted Orphan Drug Designation for CAN-3110 for treatment of rHGG in May 2024. FDA granted Fast Track Designation for CAN-3110 for the treatment of rHGG in February 2024. At the 2024 American Society of Clinical Oncology (ASCO) Annual Meeting, the Company presented topline overall survival data from the phase 2a clinical trial of CAN-2409 plus valacyclovir in combination with continued immune checkpoint inhibitor (ICI) therapy in patients with stage III/IV NSCLC inadequately responding to ICI therapy. The data (as of April 1, 2024) showed mOS of 20.6 months in patients with progressive disease (n=41) despite ICI treatment compared to published results of less than 12 months with SoC docetaxel-based chemotherapy in similar patient populations. As of the data cut-off date, CAN-2409 treatment in NSCLC continued to exhibit a favorable safety and tolerability profile. FDA previously granted Fast Track Designation for CAN-2409 for the treatment of NSCLC. Presented a Trial-in-Progress poster at the 2024 ASCO Annual Meeting on the ongoing phase 1b clinical trial exploring multiple doses of CAN-3110 in patients with rHGG. Presented updated clinical and biomarker activity data at the IOVC in October 2024. Investigators reported ongoing improved survival compared to historical controls, with 3 out of 6 patients still alive after more than one year (12.2, 13.0, and 18.7 months, respectively) after initiation of experimental treatment with repeated CAN-3110 injections. FDA granted Orphan Drug Designation for CAN-3110 for treatment of rHGG in May 2024. FDA granted Fast Track Designation for CAN-3110 for the treatment of rHGG in February 2024. CAN-3110 – Melanoma Presented preclinical results on the therapeutic potential of CAN-3110 in the Ras-Raf pathway altered melanoma model at the Society for Immunotherapy of Cancer (SITC) 2024 Annual Meeting. CAN-3110 exhibited potent, tumor-specific cytotoxicity in human and murine melanoma cell lines with varied CDKN2A pathway alterations and Nestin expression. In vivo mouse studies showed dose-dependent inhibition of tumor growth, with regression observed in a subset (3 of 8) of tumors treated with a high dose of CAN-3110. The therapy was well-tolerated in preclinical mouse models based on body weight and histopathological analysis following intra-tumoral administration. enLIGHTEN™ Discovery Platform Presented data on a new multimodal viral therapeutic candidate encoding IL-12 and IL-15 at the 2024 IOVC. Data showed the ability of the asset to induce expansion and activation of natural killer and CD8+ T cell populations, resulting in significant tumor growth inhibition and tumor regression in two different models. Presented data at the AACR 2024 Annual Meeting describing a first-in-class, multimodal immunotherapy candidate for the induction of tertiary lymphoid structures, being developed as a novel therapeutic strategy for solid tumors. Delivery of two unique payload combinations, predicted in silico using the enLIGHTEN™ Advanced Analytics suite, was shown to induce TLS formation, inhibit tumor growth, and improve response to ICI therapy in preclinical models of cancer. Presented preclinical results on the therapeutic potential of CAN-3110 in the Ras-Raf pathway altered melanoma model at the Society for Immunotherapy of Cancer (SITC) 2024 Annual Meeting. CAN-3110 exhibited potent, tumor-specific cytotoxicity in human and murine melanoma cell lines with varied CDKN2A pathway alterations and Nestin expression. In vivo mouse studies showed dose-dependent inhibition of tumor growth, with regression observed in a subset (3 of 8) of tumors treated with a high dose of CAN-3110. The therapy was well-tolerated in preclinical mouse models based on body weight and histopathological analysis following intra-tumoral administration. Presented data on a new multimodal viral therapeutic candidate encoding IL-12 and IL-15 at the 2024 IOVC. Data showed the ability of the asset to induce expansion and activation of natural killer and CD8+ T cell populations, resulting in significant tumor growth inhibition and tumor regression in two different models. Presented data at the AACR 2024 Annual Meeting describing a first-in-class, multimodal immunotherapy candidate for the induction of tertiary lymphoid structures, being developed as a novel therapeutic strategy for solid tumors. Delivery of two unique payload combinations, predicted in silico using the enLIGHTEN™ Advanced Analytics suite, was shown to induce TLS formation, inhibit tumor growth, and improve response to ICI therapy in preclinical models of cancer. 2025 Anticipated Milestones and Key Catalysts CAN-2409 – Pancreatic Cancer Updated overall survival data from phase 2a clinical trial, expected in Q1 2025 Preparations underway for potential phase 2b, randomized clinical trial Updated overall survival data from phase 2a clinical trial, expected in Q1 2025 Preparations underway for potential phase 2b, randomized clinical trial CAN-2409 – Non-Small Cell Lung Cancer Updated overall survival data from phase 2a clinical trial, expected in Q1 2025 Preparations underway for potential phase 2b, randomized clinical trial Updated overall survival data from phase 2a clinical trial, expected in Q1 2025 Preparations underway for potential phase 2b, randomized clinical trial CAN-2409 – Prostate Cancer Presentation of the phase 3 clinical trial data at upcoming scientific conference Publication of the phase 3 clinical trial data in a scientific journal BLA submission on track for Q4 2026 CAN-3110 – Recurrent High-Grade Glioma Overall survival data from ongoing phase 1b clinical trial evaluating multiple doses, expected in Q4 2025 Presentation of the phase 3 clinical trial data at upcoming scientific conference Publication of the phase 3 clinical trial data in a scientific journal BLA submission on track for Q4 2026 Overall survival data from ongoing phase 1b clinical trial evaluating multiple doses, expected in Q4 2025 Cash Position Cash and cash equivalents, as of December 31, 2024, were $102.9 million (unaudited), as compared to $35.4 million (audited) as of December 31, 2023. Based on current plans and assumptions, the Company expects that its existing cash and cash equivalents will support the preparation and submission of a BLA for CAN-2409 in prostate cancer, as well as fund its current operating plan into Q1 2027. About CAN-2409 CAN-2409, Candel’s most advanced multimodal biological immunotherapy candidate, is an investigational, off-the-shelf, replication-defective adenovirus designed to deliver the herpes simplex virus thymidine kinase (HSV-tk) gene to a patient’s specific tumor and induce an individualized, systemic immune response against the tumor. HSV-tk is an enzyme that locally converts orally administered valacyclovir into a toxic metabolite that kills nearby cancer cells. Together, this regimen is designed to induce an individualized and specific CD8+ T cell-mediated response against the injected tumor and uninjected distant metastases for broad anti-tumor activity, based on in situ vaccination against a variety of tumor antigens. Because of its versatility, CAN-2409 has the potential to treat a broad range of solid tumors. Encouraging monotherapy activity as well as combination activity with standard of care radiotherapy, surgery, chemotherapy, and immune checkpoint inhibitors have previously been shown in several preclinical and clinical settings. More than 1,000 patients have been dosed with CAN-2409 with a favorable tolerability profile to date, supporting the potential for combination with other therapeutic strategies. Currently, Candel is evaluating CAN-2409 in NSCLC, and borderline resectable PDAC, in ongoing clinical trials, and has recently completed phase 2b and phase 3 clinical trials in localized, non-metastatic prostate cancer. CAN-2409 plus prodrug (valacyclovir) has been granted Fast Track Designation by the FDA for the treatment of PDAC, stage III/IV NSCLC in patients who are resistant to first line PD-(L)1 inhibitor therapy and who do not have activating molecular driver mutations or have progressed on directed molecular therapy and localized primary prostate cancer. Candel’s pivotal phase 3 clinical trial in prostate cancer was conducted under a Special Protocol Assessment agreed with the FDA. The FDA has also granted Orphan Drug Designation to CAN-2409 for the treatment of PDAC. About CAN-3110 CAN-3110 is a first-in-class, replication-competent herpes simplex virus-1 (HSV-1) oncolytic viral immunotherapy candidate designed with dual activity for oncolysis and immune activation in a single therapeutic. CAN-3110 is being evaluated in a phase 1b clinical trial in patients with rHGG. In October 2023, the Company announced that Nature published results from this ongoing clinical trial. CAN-3110 was well tolerated with no dose-limiting toxicity reported. In the clinical trial, the investigators observed improved median overall survival compared to historical controls after a single CAN-3110 injection in this therapy-resistant condition.1 The Company and academic collaborators are currently evaluating the effects of multiple CAN-3110 injections in rHGG, supported by the Break Through Cancer foundation. CAN-3110 has previously received FDA Fast Track Designation and Orphan Drug Designation for the treatment of rHGG. About the enLIGHTEN™ Discovery Platform The enLIGHTEN™ Discovery Platform is a systematic, iterative herpes simplex virus (HSV)-based discovery platform leveraging human biology and advanced analytics to create new multimodal biological immunotherapies for solid tumors. The enLIGHTEN™ Discovery Platform has been designed to deconvolute the characteristics of the tumor microenvironment related to clinical outcomes. These characteristics are rapidly translated into optimized multi-gene payloads of tumor modulators that can be delivered to the tumor microenvironment for specific indications, disease stages, and rationally designed therapeutic combinations. In 2022, the Company announced a discovery partnership with the University of Pennsylvania Center for Cellular Immunotherapies to create new viral immunotherapies that could enhance the efficacy of chimeric antigen receptor T cell (CAR-T) therapy in solid tumors. During the SITC 2023 Annual Meeting and the 2023 IOVC meeting, Candel presented encouraging data on the first candidate from this platform, Alpha 201-macro-1, which was designed to interfere with the CD47/SIRP1α pathway, in mouse models of breast cancer and lung cancer. During the AACR Annual Meeting 2024, Candel presented preclinical data, unveiling the second candidate from the enLIGHTEN™ Discovery Platform, a first-in-class multimodal immunotherapy candidate to induce TLS, being developed as a novel therapeutic for solid tumors. Candel presented data at the 2024 IOVC meeting. The presentation focused on a multimodal viral therapeutic candidate encoding IL-12 and IL-15, the latest asset from the platform. About Candel Therapeutics Candel is a clinical stage biopharmaceutical company focused on developing off-the-shelf multimodal biological immunotherapies that elicit an individualized, systemic anti-tumor immune response to help patients fight cancer. Candel has established two clinical stage multimodal biological immunotherapy platforms based on novel, genetically modified adenovirus and HSV gene constructs, respectively. CAN-2409 is the lead product candidate from the adenovirus platform and is currently in ongoing clinical trials in NSCLC (phase 2) and borderline resectable PDAC (phase 2) and recently completed phase 2b and phase 3 clinical trials in localized, non-metastatic prostate cancer. CAN-3110 is the lead product candidate from the HSV platform and is currently in an ongoing phase 1b clinical trial in rHGG. Finally, Candel’s enLIGHTEN™ Discovery Platform is a systematic, iterative HSV-based discovery platform leveraging human biology and advanced analytics to create new viral immunotherapies for solid tumors. For more information about Candel, visit: www.candeltx.com Forward-Looking Statements This press release includes certain disclosures that contain “forward-looking statements,” within the meaning of the Private Securities Litigation Reform Act of 1995, as amended, including, without limitation, express or implied statements regarding the timing and advancement of current and future development programs, including key data readout milestones and presentations; expectations regarding early biological readouts as predictor of clinical response; expectations regarding the therapeutic benefit of the Company’s programs, including the ability of CAN-2409 to improve overall survival of patients with intermediate-to-high-risk localized prostate cancer, NSCLC, and pancreatic cancer and the ability of CAN-3110 to treat rHGG and melanoma; the ability of our enLIGHTENTM Discovery Platform to identify new candidates with the potential to alter the lives of patients living with difficult to treat, solid tumors; expectations regarding the potential benefits conferred by orphan drug designation and fast track designation; and expectations regarding cash runway and expenditures. The words “may,” “will,” “could,” “would,” “should,” “expect,” “plan,” “anticipate,” “intend,” “believe,” “estimate,” “predict,” “project,” “potential,” “continue,” “target” and similar expressions are intended to identify forward-looking statements, although not all forward-looking statements contain these identifying words. Any forward-looking statements in this press release are based on management’s current expectations and beliefs and are subject to a number of risks, uncertainties and important factors that may cause actual events or results to differ materially from those expressed or implied by any forward-looking statements contained in this press release, including, without limitation, those risks and uncertainties related to the timing and advancement of development programs; the Company’s ability to continue as a going concern; expectations regarding the therapeutic benefit of the Company’s programs; that final data from the Company’s pre-clinical studies and completed clinical trials may differ materially from reported interim data from ongoing studies and trials; the Company’s ability to efficiently discover and develop product candidates; the Company’s ability to obtain and maintain regulatory approval of product candidates; the Company’s ability to maintain its intellectual property; the implementation of the Company’s business model, including strategic plans for the Company’s business and product candidates; and other risks identified in the Company’s filings with the U.S. Securities and Exchange Commission (SEC) including the Company’s most recent Quarterly Report on Form 10-Q filed with the SEC and subsequent filings with the SEC. The Company cautions you not to place undue reliance on any forward-looking statements, which speak only as of the date they are made. The Company disclaims any obligation to publicly update or revise any such statements to reflect any change in expectations or in events, conditions, or circumstances on which any such statements may be based, or that may affect the likelihood that actual results will differ from those set forth in the forward-looking statements. Any forward-looking statements contained in this press release represent the Company’s views only as of the date hereof and should not be relied upon as representing its views as of any subsequent date. Investor Contact Theodore Jenkins Vice President, Investor Relations, and Business Development Candel Therapeutics, Inc. tjenkins@candeltx.com Media Contact Ben Shannon Vice President ICR Healthcare CandelPR@icrhealthcare.com 1 Ling AL, et al. Nature. 2023;623(7985):157-166.

On track for topline disease-free survival data from the phase 3 randomized controlled clinical trial of CAN-2409 in localized intermediate/high risk prostate cancer, expected in Q4 2024On track for topline progression-free survival data from the phase 2b randomized controlled clinical trial of CAN-2409 in the active surveillance population with localized low/intermediate risk prostate cancer, expected in Q4 2024Presented preclinical data on therapeutic potential of CAN-3110 in melanoma at the SITC 2024 Annual MeetingThe Company expects that its existing cash and cash equivalents will be sufficient to fund its current operating plan to the end of Q1 2025 NEEDHAM, Mass., Nov. 14, 2024 (GLOBE NEWSWIRE) -- Candel Therapeutics, Inc. (Candel or the Company) (Nasdaq: CADL), a clinical stage biopharmaceutical company focused on developing multimodal biological immunotherapies to help patients fight cancer, today reported financial results for the third quarter ended September 30, 2024, and provided a corporate update. “We remain on track for phase 2b and phase 3 topline data in non-metastatic, localized prostate cancer for CAN-2409 in the fourth quarter of 2024, and hope we will deliver the data and regulatory approvals to enable a paradigm shift in how these patients will be treated in the future. We continue to advance our clinical and pre-clinical candidates, while leveraging our robust enLIGHTENTM Discovery Platform to identify new and innovative assets that may be impactful in cancer immunotherapy,” said Paul Peter Tak, MD, PhD, FMedSci, President and Chief Executive Officer of Candel. “We are encouraged by the first clinical and biomarker activity data after repeated injection of CAN-3110 from our ongoing phase 1b clinical trial of CAN-3110 in recurrent high-grade glioma, which suggests a long tail of survival. We are also excited about the data that supports potential expansion of CAN-3110 from recurrent high-grade glioma into melanoma, where we observed antitumor activity in pre-clinical models.” Dr. Tak continued, “As to the future, we are also looking forward to reporting updated overall survival data from both our ongoing CAN-2409 phase 2 NSCLC and pancreatic cancer clinical trials in Q1 2025.” Third Quarter 2024 & Recent Highlights CAN-3110 – Recurrent High-Grade Glioma Received orphan drug designation from the U.S. Food and Drug Administration (FDA) for CAN-3110 for the treatment of recurrent high-grade glioma (rHGG).Presented a Trial-in-Progress poster at the 2024 American Society of Clinical Oncology (ASCO) Annual Meeting on the ongoing phase 1b clinical trial exploring multiple doses of CAN-3110 in patients with rHGG.Presented clinical and biomarker activity data from the ongoing phase 1b clinical trial at the 16th Annual International Oncolytic Virotherapy Conference (IOVC).In the oral presentation, the investigators reported ongoing improved survival compared to historical controls, with 3 out of 6 patients still alive after more than one year (12.2, 13.0, and 18.7 months, respectively) after initiation of experimental treatment with repeated CAN-3110 injections.The data also show discrepancies between imaging and histologic findings, suggesting radiologic pseudo-progression: there was a near absence of tumor cells alongside dense lymphocyte infiltrates in biopsies obtained after CAN-3110 administration, especially in patients with enhancement on post-treatment magnetic resonance imaging (MRI) scans. CAN-3110 – Melanoma Presented preclinical results on the therapeutic potential of CAN-3110 in the Ras-Raf pathway altered melanoma model at the Society for Immunotherapy of Cancer’s 39th Annual Meeting.CAN-3110 exhibited potent, tumor-specific cytotoxicity in human and murine melanoma cell lines with varied CDKN2A pathway alterations and Nestin expression. In vivo mouse studies showed dose-dependent inhibition of tumor growth, with regression observed in a subset (3 of 8) of tumors treated with a high dose of CAN-3110.Cytotoxic activity in melanoma-bearing mice was associated with systemic immune activation, including increased activation and proliferation of circulating T cells.Findings mirror those from rHGG patients treated with CAN-3110 reported last year in Nature. The therapy was well-tolerated in preclinical models based on body weight and histopathological analysis following intratumoral administration. enLIGHTEN™ Discovery Platform Presented poster titled “A first-in-class multimodal immunotherapy for enhanced immune activation in the tumor microenvironment as a novel therapeutic strategy for solid tumors” at IOVC.The presentation focused on the latest asset from the enLIGHTEN™ Discovery Platform, a multimodal viral therapeutic candidate encoding IL-12 and IL-15. Data showed the ability of the asset to induce expansion and activation of natural killer and CD8+ T cell populations, resulting in significant tumor growth inhibition and regression in two different models. Anticipated Milestones Phase 2b topline data for CAN-2409 in low-to-intermediate-risk, localized, non-metastatic prostate cancer expected in Q4 2024.Phase 3 topline disease-free survival data for CAN-2409 in localized intermediate/high-risk prostate cancer expected in Q4 2024. Financial Results for Third Quarter Ended September 30, 2024 Research and Development Expenses: Research and development expenses were $5.4 million for the third quarter of 2024 compared to $5.8 million for the third quarter of 2023. The decrease was primarily due to lower payroll-related expenses following the corporate restructuring in the fourth quarter of 2023 and a decrease in depreciation, impairment, and loss on the sale of fixed assets. These decreases were partially offset by clinical development costs driven by increased manufacturing costs for CAN-2409 programs. Research and development expenses included non-cash stock compensation expense of $0.6 million for the third quarter of 2024 compared to $0.3 million for the third quarter of 2023. General and Administrative Expenses: General and administrative expenses were $3.3 million for the third quarter of 2024 compared to $3.0 million for the third quarter of 2023. The increase was primarily due to increased professional and consulting fees. The increase was partially offset by lower insurance costs. General and administrative expenses included non-cash stock compensation expense of $0.5 million for the third quarter of 2024 compared to $0.4 million for the third quarter of 2023. Net Loss: Net loss for the third quarter of 2024 was $10.6 million, compared to a net loss of $8.4 million for the third quarter of 2023, and included other expense, net of $1.9 million for the third quarter of 2024 and other income, net of $0.4 million for the third quarter of 2023, primarily due to the change in the fair value of the Company’s warrant liability. Cash Position: Cash and cash equivalents, as of September 30, 2024, were $16.6 million, as compared to $35.4 million as of December 31, 2023. Based on current plans and assumptions, the Company expects that its existing cash and cash equivalents will be sufficient to fund its current operating plan to the end of the first quarter of 2025. About Candel Therapeutics Candel is a clinical stage biopharmaceutical company focused on developing off-the-shelf multimodal biological immunotherapies that elicit an individualized, systemic anti-tumor immune response to help patients fight cancer. Candel has established two clinical stage multimodal biological immunotherapy platforms based on novel, genetically modified adenovirus and herpes simplex virus (HSV) gene constructs, respectively. CAN-2409 is the lead product candidate from the adenovirus platform and is currently in ongoing clinical trials in non-small cell lung cancer (NSCLC) (phase 2), borderline resectable pancreatic ductal adenocarcinoma (PDAC) (phase 2), and localized, non-metastatic prostate cancer (phase 2b and phase 3). CAN-3110 is the lead product candidate from the HSV platform and is currently in an ongoing phase 1b clinical trial in recurrent high-grade glioma (rHGG). Finally, Candel’s enLIGHTEN™ Discovery Platform is a systematic, iterative HSV-based discovery platform leveraging human biology and advanced analytics to create new viral immunotherapies for solid tumors. For more information about Candel, visit: www.candeltx.com Forward-Looking Statements This press release includes certain disclosures that contain “forward-looking statements,” within the meaning of the Private Securities Litigation Reform Act of 1995, as amended, including, without limitation, express or implied statements regarding the timing and advancement of current and future development programs, including key data readout milestones and presentations; expectations regarding early biological readouts as predictor of clinical response; expectations regarding the therapeutic benefit of the Company’s programs, including the ability of CAN-2409 to improve overall survival of patients with NSCLC and pancreatic cancer and the ability of CAN-3110 to treat rHGG; the ability of our enLIGHTENTM Discovery Platform to identify new candidates with the potential to alter the lives of patients living with difficult to treat, solid tumors; expectations regarding the potential benefits conferred by orphan drug designation and fast track designation; and expectations regarding cash runway and expenditures. The words “may,” “will,” “could,” “would,” “should,” “expect,” “plan,” “anticipate,” “intend,” “believe,” “estimate,” “predict,” “project,” “potential,” “continue,” “target” and similar expressions are intended to identify forward-looking statements, although not all forward-looking statements contain these identifying words. Any forward-looking statements in this press release are based on management’s current expectations and beliefs and are subject to a number of risks, uncertainties and important factors that may cause actual events or results to differ materially from those expressed or implied by any forward-looking statements contained in this press release, including, without limitation, those risks and uncertainties related to the timing and advancement of development programs; the Company’s ability to continue as a going concern; expectations regarding the therapeutic benefit of the Company’s programs; that final data from the Company’s pre-clinical studies and completed clinical trials may differ materially from reported interim data from ongoing studies and trials; the Company’s ability to efficiently discover and develop product candidates; the Company’s ability to obtain and maintain regulatory approval of product candidates; the Company’s ability to maintain its intellectual property; the implementation of the Company’s business model, including strategic plans for the Company’s business and product candidates; and other risks identified in the Company’s filings with the U.S. Securities and Exchange Commission (SEC) including the Company’s most recent Quarterly Report on Form 10-Q filed with the SEC and subsequent filings with the SEC. The Company cautions you not to place undue reliance on any forward-looking statements, which speak only as of the date they are made. The Company disclaims any obligation to publicly update or revise any such statements to reflect any change in expectations or in events, conditions, or circumstances on which any such statements may be based, or that may affect the likelihood that actual results will differ from those set forth in the forward-looking statements. Any forward-looking statements contained in this press release represent the Company’s views only as of the date hereof and should not be relied upon as representing its views as of any subsequent date. Investor ContactTheodore JenkinsVice President, Investor Relations, and Business DevelopmentCandel Therapeutics, Inc.tjenkins@candeltx.com Media ContactBen ShannonVice PresidentICR Westwicke CandelPR@icrhealthcare.com Candel Therapeutics, Inc.Consolidated Statements of Operations(in thousands, except share and per share amounts)(Unaudited) THREE MONTHS ENDED SEPTEMBER 30, NINE MONTHS ENDED SEPTEMBER 30, 2024 2023 2024 2023 Operating expenses: Research and development $5,416 $5,845 $14,497 $17,248 General and administrative 3,341 3,016 10,733 10,825 Total operating expenses 8,757 8,861 25,230 28,073 Loss from operations (8,757) (8,861) (25,230) (28,073)Other income (expense): Grant income — 12 — 36 Interest income 236 502 796 1,666 Interest expense (487) (669) (1,700) (1,922)Change in fair value of warrant liability (1,638) 581 (14,970) 1,449 Total other income (expense), net (1,889) 426 (15,874) 1,229 Net loss and comprehensive loss $(10,646) $(8,435) $(41,104) $(26,844)Net loss per share, basic and diluted $(0.33) $(0.29) $(1.35) $(0.93)Weighted-average common shares outstanding, basic and diluted 32,013,569 28,919,810 30,369,129 28,919,810 Candel Therapeutics, Inc.Condensed Consolidated Balance Sheet Data(in thousands) SEPTEMBER 30,2024(Unaudited) DECEMBER 31,2023Cash and cash equivalents $16,558 $35,413 Working capital (1) 2,817 22,613 Total assets 21,517 41,201 Warrant liability 15,886 916 Total other liabilities 20,888 27,540 Accumulated deficit (178,132) (137,028)Total stockholders equity (deficit) $(15,257) $12,745 (1) Working capital is calculated as current assets less current liabilities