Castellum reduces $2M of principal on Eisiminger notes, extends maturity to Dec 2027, rate to 10%

Castellum, Inc.

$2M principal payment reduces two notes to $4M aggregate; $400k note paid off, $5.6M note now $4M.
Maturity on remaining note extended from Aug 2026 to Dec 15, 2027.
Interest rate on the $4M note increased from 8% to 10% per annum.
Amended letter agreement with Robert Eisiminger effective April 17, 2025.
CFO cites de-levering balance sheet; CEO says it fortifies organic growth strategy.

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