--  Authorized access interest continues to expand across regions 
 
   --  Phase 3 BATTMAN trial commenced patient enrollment in April 2026, 
      advancing BOT+BAL into pivotal evaluation 
 
   --  Zydus collaboration closed in January, delivering strategic capital, 
      strengthening Agenus' balance sheet and securing dedicated U.S. biologics 
      manufacturing capacity 
 
   --  Agenus continues to align operating priorities around BOT+BAL, 
      financial discipline and commercial readiness 
 
   --  SEC concluded its investigation in May 2026 with no enforcement action 
      recommended; Related putative securities class action dismissed in its 
      entirety by the U.S. District Court for the District of Massachusetts in 
      March 2026 
LEXINGTON, Mass.--(BUSINESS WIRE)--May 11, 2026-- 

Agenus Inc. (Nasdaq: AGEN), a leader in immuno-oncology innovation, today reported financial results for the first quarter ended March 31, 2026, and provided an operational update on botensilimab plus balstilimab (BOT+BAL), the Company's lead clinical program and one of the most clinically advanced next-generation CTLA-4/PD-1 combinations in development.

The first quarter marked a transition from foundation-building to execution for BOT+BAL. Physician engagement through regulatory-authorized access pathways continued to broaden, the Phase 3 BATTMAN trial moved into active enrollment shortly after quarter-end, and the Zydus collaboration closed, delivering strategic capital and dedicated U.S. manufacturing capacity.

BOT+BAL is designed to activate both innate and adaptive immunity and extend immunotherapy benefit into tumors that have historically shown limited responsiveness to checkpoint inhibition.

"First quarter 2026 was a defining quarter for Agenus and for BOT and BAL," said Garo H. Armen, Ph.D., Chairman and Chief Executive Officer of Agenus. "We saw continued physician requests and engagement treating patients with BOT and BAL through regulatory-authorized access pathways. Additionally, we advanced the program into Phase 3 enrollment and closed a transformative collaboration with Zydus that secured both capital and U.S. manufacturing capacity. BOT+BAL's maturing data, particularly the durability of survival outcomes in refractory MSS colorectal cancer, continue to underpin our regulatory submissions in the United States and Europe."

Key Operational Highlights

Agenus is concentrating resources on BOT+BAL across three priorities: supporting physician-initiated access through regulatory-authorized pathways where permitted, advancing the Phase 3 BATTMAN trial, and building the clinical, manufacturing and operational readiness needed for the next stage of development.

Continued Physician Engagement Through Regulatory-Authorized Access Pathways

In parallel with clinical development, Agenus continues to support BOT+BAL access through regulatory-authorized pathways in certain countries. These programs are physician-initiated, patient-specific and governed by local regulations.

In France, BOT+BAL is available under the national Autorisation d'Accès Compassionnel framework for eligible patients, with reimbursed access across MSS metastatic colorectal cancer without active liver metastases, platinum-resistant or platinum-refractory ovarian cancer, and certain advanced soft-tissue sarcomas. Outside France, BOT+BAL may be available in select countries through paid named-patient programs, which may involve out-of-pocket payment and/or special insurance arrangements depending on local requirements and individual coverage decisions.

In Q1 2026, paid named-patient activity broadened to additional countries in South and Central America and Europe, reflecting continued physician interest and the unmet need for new options while regulatory review pathways advance.

In April 2026, Agenus named BAP Pharma as its global partner to support BOT+BAL access programs, including France's AAC pathway and paid named-patient programs. BAP Pharma will support program requests, case coordination, regulatory navigation, distribution logistics and related payment processing, helping Agenus build a more consistent and scalable access infrastructure.

Medical Affairs Infrastructure Expanded to Support Increasing Physician Requests

Agenus also expanded Medical Affairs and early-access support capabilities to respond to increasing physician-initiated interest. These capabilities support scientific exchange, access request coordination, pharmacovigilance and structured collection of real-world safety and outcomes data where applicable.

Phase 3 BATTMAN Trial Active and Enrolling

The global Phase 3 BATTMAN trial commenced patient enrollment in April 2026 and is evaluating BOT+BAL versus best supportive care in patients with refractory, unresectable MSS/pMMR metastatic colorectal cancer, a setting where checkpoint inhibitors have historically shown limited benefit and treatment options remain limited.

BATTMAN is led by the Canadian Cancer Trials Group as an international cooperative-group trial, with participating academic networks in Canada, France, Australia and New Zealand. Site activation continues across participating regions. With BATTMAN underway, BOT+BAL is among the most clinically advanced next-generation CTLA-4/PD-1 immunotherapy programs in refractory colorectal cancer, supported by a global randomized Phase 3 study.

Zydus Collaboration Closed Strengthening Capital Position, Balance Sheet and Manufacturing Readiness

In January 2026, Agenus closed its previously announced strategic collaboration with Zydus Lifesciences, providing upfront capital and dedicated biologics manufacturing capacity to support clinical development, authorized access programs and potential future commercial supply of BOT+BAL. At closing, Zydus paid $91 million of upfront capital, subject to customary adjustments and escrow arrangements, and the $7.0 million Zydus Promissory Note was forgiven.

The collaboration delivered:

   --  $75 million in cash consideration for the transfer of the Emeryville 
      and Berkeley biologics manufacturing facilities 
 
   --  $16 million equity investment in Agenus common stock 
 
   --  Up to $50 million in contingent payments from Zydus tied to BOT and BAL 
      production orders by Agenus 
 
   --  An exclusive license for Zydus to develop and commercialize BOT and BAL 
      in India and Sri Lanka, with Agenus eligible to receive royalties on net 
      sales in those territories 

The collaboration strengthens Agenus' balance sheet while securing dedicated U.S. manufacturing infrastructure for the next stage of BOT+BAL clinical, regulatory and commercial expansion. It also supports Agenus' ability to supplement existing supply for clinical development, authorized access pathways and potential future commercial readiness without requiring additional Agenus capital expenditures for dedicated manufacturing infrastructure.

Clinical Data Continue to Support Immune Activation and Durability Across Hard-to-Treat Tumors

Recent clinical and translational data presentations continue to add to the broader BOT+BAL evidence base, including evaluations of BOT+BAL in combination approaches across additional difficult-to-treat tumor types and in earlier stages of MSS mCRC treatment. These datasets support the Company's view that BOT+BAL may contribute to durable, immune-mediated activity across tumors that have historically responded poorly to checkpoint inhibition.

Across Phase 1 and Phase 2 clinical trials, approximately 1,300 patients have been treated with botensilimab and/or balstilimab, with clinical activity observed across more than nine metastatic, late-line cancers settings. Agenus continues to view durability, survival and immune activation, rather than response rates alone, as meaningful measures of BOT+BAL's clinical potential in cold or treatment-refractory tumors historically resistant to checkpoint inhibition.

First Quarter 2026 Financial Results

Cash and cash equivalents totaled $35.0 million as of March 31, 2026, compared with $3.0 million as of December 31, 2025. Subsequent to quarter-end, the Company received an additional $11.7 million in net proceeds from sales of common stock under its at-the-market equity offering program. The Company also expects to collect outstanding receivables under regulatory-authorized early access programs during the second quarter of 2026.

Pre-commercial product revenue of $4.6 million represents realized income from BOT+BAL provided to hospitals and treating physicians under regulatory-authorized early access pathways, including France's AAC framework and paid named-patient programs in countries where permitted.

During the first quarter of 2026, Agenus made cash payments of approximately $51.8 million, principally to fund (i) the release of commercial-grade botensilimab supply through contract development and manufacturing organizations; (ii) the generation of clinical data sets through contract research organizations and clinical support providers in support of the Company's planned accelerated approval submission in the United States and conditional marketing authorization application in the European Union; and (iii) settlement of obligations in connection with the closing of the Zydus collaboration, including finance lease and debt obligations, and other closing-related payments. These payments partly settled liabilities accrued in prior periods.

Agenus' first quarter cash payments included substantial obligations associated with the Zydus closing and the build-out of clinical and pre-commercial supply. These are not representative of Agenus' recurring operating expense profile. The Company continues to align its operating expense base with its previously communicated framework of approximately $50 million in annualized operating expenses to support BOT+BAL development priorities, and first quarter 2026 underlying operating performance was consistent with that framework.

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May 11, 2026 08:46 ET (12:46 GMT)