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Vaccinex Reports Third Quarter 2024 Financial Results and Provides Corporate Update

VCNX 11.18.2024

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Actively Exploring Partnershipfor Alzheimer’s DevelopmentSupplementary Financing Concluded in Q4

ROCHESTER, N.Y.,Nov. 18, 2024(GLOBE NEWSWIRE) --Vaccinex, Inc.(Nasdaq: VCNX), a clinical-stage biotechnology company pioneering a differentiated approach to treating neurodegenerative disease and cancer through the inhibition of Semaphorin 4D (SEMA4D), today announced financial results for the third quarter endedSeptember 30, 2024and provided a corporate update on its key program for Alzheimer’s disease.

Treatment with pepinemab believed to slow cognitive decline due to Alzheimer’s disease:

Vaccinexreported final data from its SIGNAL-AD clinical trial at the Alzheimer’sAssociation International ConferenceinPhiladelphiaonJuly 31, 2024and at the Clinical Trials on Alzheimer’sDisease ConferenceinMadrid, SpainonOctober 31, 2024. The study enrolled participants with Mild Cognitive Impairment (MCI) or Mild Dementia. Key findings included:

Treatment with Vaccinex’s pepinemab antibody to SEMA4D slowed expression of key biomarkers of disease progression, including blood levels of glial fibrillary acidic protein (GFAP) released by reactive astrocytes in brain, and phosphorylated tau peptide (p-tau 217), a byproduct of formation of toxic “tau tangles” in neurons. Changes in these biomarkers occur early in disease and reflect disease processes that are believed to lead to neuronal damage that compromises brain activity and cognition.
Treatment with pepinemab after cognitive deficits become evident shows a consistent trend of slowing cognitive decline as determined by multiple established cognitive measures, CDR-SB, iADRS and ADAS-Cog13. This study was designed to test treatment effects at different stages of disease within the span of MCI and Mild Dementia. We found that biomarker and cognitive responses segregate among these groups, which had the effect of reducing group size and statistical significance. Nevertheless, the magnitude of cognitive improvement in patients who showed early signs of cognitive deficits (MMSE 22-26) was noteworthy.

Pepinemab treatment appears to slow cognitive decline improvementin patients who showed early signs of cognitive deficits (MMSE 22-26)

Treatment with pepinemab shows a consistent trend of slowing cognitive decline as determined by multiple established cognitive measures, CDR-SB, iADRS and ADAS-Cog13. Percent slowing is calculated using the formula: % slowing = ((Change with pepinemab – Change with placebo) / Change with placebo) * 100.

These observations replicate and extend previous evidence of cognitive benefit in a larger prior study of pepinemab treatment in patients with Huntington’s disease, another neurodegenerative disease that is also characterized by astrocyte activation and neuroinflammation preceding cognitive decline. A statistically significant slowing of cognitive decline was observed for a randomized group of 180 patients in that study with a p-value of 0.007, improving even further (p=0.0025) in the subset of patients with early signs of cognitive deficits.
The Company is encouraged by these similar findings in two different devastating neurodegenerative diseases that have parallel pathology and is actively pursuing partnering discussions to more rapidly advance further development.
The SIGNAL-AD study was funded in part by investments from the Alzheimer’sDrug Discovery Foundation(ADDF) and by a grant from the Alzheimer’s Association.

Treatment with pepinemab enhances immune activity in HPV-negative and PD-L1 low head and neck cancer (HNSCC), overcoming limitations of immune checkpoint therapy in these patient populations.

At theSociety for Immunotherapyof Cancer’s Annual Meeting (SITC) onNovember 8, 2024,Vaccinexscientists presented data from the Phase 2 KEYNOTE-B84 study (NCT04815720) for treatment of recurrent and metastatic disease in patients with poorly immunogenic, HPV-negative, head and neck cancer (HNSCC). The presentation also reviewed data from an independent study evaluating neoadjuvant treatment of resectable HNSCC (NCT03690986). The two studies showed that pepinemab in combination with KEYTRUDA® appears to induce mature lymphoid aggregates that correlate with clinical benefit in HPV-negative and PD-L1 low patients who otherwise show limited response to immunotherapy.

Financial Results for the Quarter EndedSeptember 30, 2024:

Cash andCash Equivalents and Marketable Securities.Cash and cash equivalents and marketable securities onSeptember 30, 2024, were$2.9 million, as compared to$1.5 millionas ofDecember 31, 2023.

OnNovember 13, 2024, the Company entered into a securities purchase agreement pursuant to which the Company issued and sold to the purchasers named therein an aggregate of (i) 76,909 shares of the Company’s common stock at a price of$3.25per Share and (ii) pre-funded warrants to purchase up to 584,646 shares of Common Stock at a price of$3.2499per pre-funded warrant. The private placement closed onNovember 14, 2024for aggregate gross proceeds to the Company of approximately$2.15 million. The Agreement provides the Investors with certain participation rights in connection with the first financing within six months of the date of the Agreement that consists of the sale of Common Stock and warrants to purchase Common Stock, if any, (a “Subsequent Offering”). The participation rights would permit each Investor to purchase warrants on substantially the same terms as the warrants sold in that Subsequent Offering, The Investors areFCMI Parent Co., which purchased shares and pre-funded warrants and is controlled byAlbert D. Friedberg, chair of the Company’s board of directors, andVaccinex (Rochester), L.L.C., which purchased shares and is controlled byMaurice Zauderer, Ph.D., the Company’s president, chief executive officer and a member of the Company’s board of directors. This financing is not incorporated in the Consolidated Balance Sheet datedSeptember 30, 2024.

OnSeptember 17, 2024, the Company entered into inducement letter agreements with holders of existing warrants to purchase up to an aggregate of 1,067,492 shares of the Company’s common stock, par value$0.0001per share, originally issued to the holders betweenOctober 2023andMarch 2024as public warrants or private placement warrants (the “Existing Warrants”). Pursuant to the inducement letter agreements, the holders agreed to exercise for cash the Existing Warrants at a reduced exercise price of$5.636per share in consideration of the Company’s agreement to issue new unregistered common warrants (the “New Warrants”) to purchase up to 1,601,238 shares of common stock, which were issued and sold in a private placement at a price of$0.125per New Warrant. Each New Warrant had an initial exercise price equal to$5.636per share, was immediately exercisable, and expiresSeptember 18, 2029. The gross proceeds to the Company from the exercise of the Existing Warrants and the sale of the New Warrants are approximately$6.2 million, prior to deducting financial advisory fees and estimated transaction expenses. The closing of the transactions occurred in part onSeptember 18, 2024and in part onSeptember 19, 2024.

Research and Development Expenses.Research and development expenses for the quarter endedSeptember 30, 2024, were$3.2 millionas compared to$4.4 millionfor the comparable period in 2023.

General and Administrative Expenses.General and administrative expenses for the quarter endedSeptember 30, 2024, were$1.4 millionas compared to$1.5 millionfor the comparable period in 2023.

Comprehensive loss/Net loss per share.The Comprehensive Loss and Net loss per share for the quarter endedSeptember 30, 2024, were$5.7 millionand$(2.83)compared to$4.9 millionand$(15.25)for the comparable period in 2023.

Total Stockholders’ Equity.OnOctober 7, 2024, the Company received a letter from the Nasdaq Listing Staff stating that the Company had not regained compliance with the continued listing standards related to Stockholders’ Equity and that, as a result, unless the Company timely requested an appeal of this determination to aNasdaq Hearings Panel, Nasdaq would move to suspend trading of the Company’s common stock and to have the Company’s securities delisted from the Nasdaq Capital Market. The Company timely appealed the determination, which automatically stayed any suspension or delisting action pending the Hearings Panel’s decision and the expiration of any additional extension period granted by theHearings Panelfollowing the hearing. Nasdaq required the Company to submit a plan byNovember 15, 2024, describing how it would regain compliance with the Equity Standard through calendar year 2025. The Company submitted the required plan omNovember 15, 2024, and, while the Company is confident that its plan is promising and feasible, the Company cannot provide assurances that Nasdaq will accept the plan and that theHearings Panelwill grant the Company’s request for continued listing or that the Company will be able to demonstrate compliance with the Stockholders’ Equity Standard or the Alternative Standards within any additional compliance period that may be granted by theHearings Panel.

For further details on Vaccinex’s financials, please refer to its Form 10K filedApril 1, 2024, with theSEC, and subsequently filed Quarterly Reports on Form 10-Q.

About PepinemabPepinemab is a humanized IgG4 monoclonal antibody designed to block SEMA4D, which can trigger collapse of the actin cytoskeleton and loss of homeostatic functions of astrocytes and other glial cells in the brain and dendritic cells in immune tissue. Over 600 patients have been enrolled in randomized clinical trials of pepinemab in different indications and pepinemab appears to be well-tolerated with a favorable safety profile.

About Vaccinex Inc.Vaccinex, Inc.is pioneering a differentiated approach to treating slowly progressive neurodegenerative diseases and cancer through the inhibition of semaphorin 4D (SEMA4D). The Company’s lead drug candidate, pepinemab, blocks SEMA4D, a potent biological effector that it believes triggers damaging inflammation in chronic diseases of the brain and prevents immune infiltration into tumors. Pepinemab was studied as a monotherapy in the Phase 1/2a SIGNAL-AD study in Alzheimer’s Disease, with ongoing exploration of potential Phase 3 development in Huntington’s disease. In oncology, pepinemab is being evaluated in combination with KEYTRUDA® in the Phase 1b/2 KEYNOTE-B84 study in recurrent or metastatic head and neck cancer (HNSCC) and in combination with BAVENCIO® in a Phase 1b/2 study in patients with metastatic pancreatic adenocarcinoma (PDAC). The oncology clinical program also includes several investigator-sponsored studies in solid tumors including breast cancer and melanoma.

Vaccinex has global commercial and development rights to pepinemab and is the sponsor of the KEYNOTE-B84 study which is being performed in collaboration with Merck Sharp & Dohme Corp, a subsidiary of Merck and Co, Inc.Kenilworth, NJ, USA. Additional information about the study is available at: clinicaltrials.gov.

KEYTRUDA is a registered trademark of Merck Sharp & Dohme Corp., a subsidiary ofMerck & Co. Inc., Kenilworth, NJ, USA. BAVENCIO®/avelumab is provided by Merck KGaA, Darmstadt, Germany, previously as part of an alliance between the healthcare business of Merck KGaA, Darmstadt,Germanyand Pfizer.

Forward Looking StatementsTo the extent that statements contained in this letter are not descriptions of historical facts regardingVaccinex, Inc.(“Vaccinex,” “we,” “us,” or “our”), they are forward-looking statements reflecting management’s current beliefs and expectations. Such statements include, but are not limited to, statements about the use and potential benefits of pepinemab treatment in patients with AD and HD; the potential and prospects for continuing late stage development of pepinemab, including as part of a prospective partnership; the continued listing of the Company’s common stock on Nasdaq, including any extensions granted by theNasdaq Hearings Panel; other statements identified by words such as “believe,” “being,” “will,” “appear,” “expect,” “ongoing,” “potential,” “promising,” “indicate,” “suggest,” “apparent”, and similar expressions or their negatives (as well as other words and expressions referencing future events, conditions, or circumstances). Forward-looking statements involve substantial risks and uncertainties that could cause the outcome of our research and pre-clinical development programs, clinical development programs, future results, performance, or achievements to differ significantly from those expressed or implied by the forward-looking statements. Such risks and uncertainties include, among others, uncertainties inherent in the execution, cost and completion of preclinical studies and clinical trials, risks related to reliance on third parties, that interim and preliminary data may not be predictive of final results and does not ensure success in later clinical trials, uncertainties related to regulatory approval, risks related to our dependence on our lead product candidate pepinemab, the possible delisting of our common stock from Nasdaq if the Company is unable to regain and sustain compliance with the Nasdaq listing standards, and other matters that could affect our development plans or the commercial potential of our product candidates. Except as required by law, the Company assumes no obligation to update these forward-looking statements. For a further discussion of these and other factors that could cause future results to differ materially from any forward-looking statement, see the section titled “Risk Factors” in our periodic reports filed with theSecurities and Exchange Commissionand the other risks and uncertainties described in the Company’s annual year-end Form 10-K and subsequent filings with theSEC.

Investor ContactElizabeth Evans, PhDChief Operating Officer,Vaccinex, Inc.(585) 271-2700eevans@vaccinex.com

Condensed Balance Sheets (Unaudited)(in thousands, except share and per share data)
	As ofSeptember 30, 2024			As ofDecember 31, 2023
ASSETS
Current assets:
Cash and cash equivalents	$	2,906		$	1,535
Accounts receivable		985			961
Prepaid expenses and other current assets		852			853
Derivative asset		14			-
Total current assets		4,757			3,349
Property and equipment, net		82			136
Operating lease right-of-use asset		15			146
TOTAL ASSETS	$	4,854		$	3,631
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current liabilities:
Accounts payable	$	4,865		$	2,039
Accrued expenses		1,200			1,242
Deferred revenue		51			63
Current portion of long-term debt		44			75
Operating lease liability		15			146
Warrant liability		-			2,351
Total current liabilities		6,175			5,916
Long-term debt		-			26
TOTAL LIABILITIES		6,175			5,942
Commitments and contingencies (Note 6)
Stockholders’ equity (deficit):
Convertible preferred stock (Series A), par value of$0.001per share; 10,000,000 shares authorized, 10 shares issued and outstanding as ofSeptember 30, 2024, and no shares authorized, issued or outstanding as ofDecember 31, 2023; with aggregate liquidation preference of$1,750,000and$0as ofSeptember 30, 2024andDecember 31, 2023, respectively		1,522			-
Common stock, par value of$0.0001per share; 100,000,000 shares authorized as ofSeptember 30, 2024, andDecember 31, 2023; 2,599,733 and 892,622 shares issued as ofSeptember 30, 2024andDecember 31, 2023, respectively; 2,599,728 and 892,617 shares outstanding as of September 30, 2024 andDecember 31, 2023, respectively		1			-
Additional paid-in capital		352,354			337,627
Treasurystock, at cost; 5 shares of common stock as ofSeptember 30, 2024, andDecember 31, 2023, respectively		(11	)		(11	)
Accumulated deficit		(355,187	)		(339,927	)
TOTAL STOCKHOLDERS’ EQUITY/(DEFICIT)		(1,321	)		(2,311	)
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$	4,854		$	3,631

VACCINEX, INC.Condensed Statements of Operations and Comprehensive Loss (Unaudited)(in thousands, except share and per share data)
	Three Months EndedSeptember 30,						Nine Months EndedSeptember 30,
	2024			2023			2024			2023

Revenue	$	52		$	20		$	388		$	570
Costs and expenses:
Research and development		3,165			4,355			10,412			13,217
General and administrative		1,439			1,499			5,324			5,250
Total costs and expenses		4,604			5,854			15,736			18,467
Loss from operations		(4,552	)		(5,834	)		(15,348	)		(17,897	)
Interest expense		-			-			-			(1	)
Loss on settlement of warrants		(1,106	)		-			(1,106	)		-
Financing costs - warrant liabilities		-			-			(28	)		-
Change in fair value of warrant liabilities		(71	)		-			1,291			-
Change in fair value of derivative asset		-			-			(81	)		-
Other income (expense), net		(3	)		922			12			964
Loss before provision for income taxes		(5,732	)		(4,912	)		(15,260	)		(16,934	)
Provision for income taxes		-			-			-			-
Net loss attributable toVaccinex, Inc.common stockholders	$	(5,732	)	$	(4,912	)	$	(15,260	)	$	(16,934	)
Comprehensive loss	$	(5,732	)	$	(4,912	)	$	(15,260	)	$	(16,934	)
Net loss per share attributable toVaccinex, Inc.common stockholders, basic and diluted	$	(2.83	)	$	(15.25	)	$	(8.85	)	$	(59.95	)
Weighted-average shares used in computing net loss per share attributable toVaccinex, Inc.common stockholders, basic and diluted		2,026,920			322,153			1,724,088			282,467

A photo accompanying this announcement is available athttps://www.globenewswire.com/NewsRoom/AttachmentNg/551b0bc4-4495-4a65-aa21-a96daddf079e

Pepinemab treatment appears to slow cognitive decline improvement in patients who showed early signs of cognitive deficits (MMSE 22-26)

Treatment with pepinemab shows a consistent trend of slowing cognitive decline as determined by multiple established cognitive measures, CDR-SB, iADRS and ADAS-Cog13. Percent slowing is calculated using the formula: % slowing = ((Change with pepinemab – Change with placebo) / Change with placebo) * 100.

Source: Vaccinex, Inc.

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Vaccinex Reports Third Quarter 2024 Financial Results and Provides Corporate Update

VCNX 11.18.2024

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Pepinemab treatment appears to slow cognitive decline improvement in patients who showed early signs of cognitive deficits (MMSE 22-26)