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VIENNA, Va., May 18, 2026 (GLOBE NEWSWIRE) -- Castellum, Inc. (NYSE-American: CTM) (“Castellum” “CTM”, “we” or the “Company”), a cybersecurity, electronic warfare, and software services company focused on the federal government, today reminds stockholders that its 2026 Annual Meeting of Stockholders (“2026 Annual Meeting”) will be held on Tuesday, May 19, 2026 at 10:00 a.m.

VANCOUVER, British Columbia, May 12, 2026 (GLOBE NEWSWIRE) -- Canterra Minerals Corporation (TSXV: CTM) (OTCQB: CTMCF) (FSE: DXZB) (“Canterra” or the “Company”) continues to advance its critical and precious metals projects in Central Newfoundland. Winter diamond drilling of 8 holes totalling 2,386 metres was completed at its Buchans project, with assay results anticipated in Q2 2026.

Revenue Increase of 23% Driven by Ramp Up of Long-Term Contracts Won in 2025; Enters Second Quarter with a Record Backlog of $273.3 Million Revenue Increase of 23% Driven by Ramp Up of Long-Term Contracts Won in 2025; Enters Second Quarter with a Record Backlog of $273.3 Million

VIENNA, Va., April 23, 2026 (GLOBE NEWSWIRE) -- Castellum, Inc. (NYSE-American: CTM) (“Castellum” “CTM”, “we” or the “Company”), a cybersecurity, electronic warfare, and software services company focused on the federal government, announces that it has achieved Cybersecurity Maturity Model Certification (“CMMC”) Level 2 following a comprehensive assessment conducted by an accredited Certified Third‑Party Assessment Organization (“C3PAO”).

Raanana, Israel, March 10, 2026 (GLOBE NEWSWIRE) -- Polyrizon Ltd. (Nasdaq: PLRZ) (“Polyrizon” or the “Company”), a pre-clinical-stage biotechnology company developing intranasal administrated solutions, today announced the successful production of a Good Manufacturing Practice (GMP) batch of clinical trial material (CTM) for its lead product candidate.
