Castellum Inc. Watch

from 8-K 10 pages Employment Agreement

from 8-K 11 pages Employment Agreement

from 8-K 1 page February 16, 2024 Mr. Emil Kaunitz via Email Re: Letter Agreement Regarding Extending Your Promissory Note /S/ Mark Fuller Mark Fuller, CEO Agreed To: Emil Kaunitz /S/Emil Kaunitz 2/16/24

from 8-K 6 pages Amended and Restated Convertible Promissory Note

from 8-K 1 page February 22, 2024 Mr. Robert Eisiminger via Email Re: Letter Agreement Regarding Promissory Notes /S/ Mark Fuller Mark Fuller, CEO Agreed To: Robert Eisiminger /S/ Robert Eisiminger

from 8-K 11 pages Amended and Restated Subordination and Standby Agreement

from 8-K 11 pages Amended and Restated Subordination and Standby Agreement

from 8-K 11 pages Amended and Restated Subordination and Standby Agreement

from 8-K 11 pages Amended and Restated Subordination and Standby Agreement

from 8-K 8 pages Confidential January 25, 2024 Mark C. Fuller, Chief Executive Officer Jay O. Wright, Vice-Chairman & General Counsel Castellum, Inc. 3 Bethesda Metro Center, Suite 700 Bethesda, MD 20814 Dear Mr. Fuller,

from 8-K 34 pages Securities Purchase Agreement

from S-3 34 pages Securities Purchase Agreement

from 8-K 8 pages Restrictive Covenant Agreement

from 8-K 25 pages Employment Agreement

from 8-K 3 pages February 13, 2023 via Electronic Mail Castellum, Inc. 3 Bethesda Metro Center Suite 700 Bethesda, MD 20184 Attention: Jay Wright Re: Pay-Off Letter Agreement – Convertible Promissory Note

from 8-K 34 pages Securities Purchase Agreement

from 10-Q 15 pages Employment Agreement

from S-1 17 pages Time & Material Subcontract Number Po-0018098 Between Perspecta Engineering Inc. and Corvus Consulting, LLC

from S-1 16 pages Time & Material Subcontract Number Po-0018098 Between Perspecta Engineering Inc. and Corvus Consulting, LLC

from S-1 8 pages Section Sf 30 Block 14 Continuation Page Summary of Changes Section A- Solicitation/Contract Form the Following Have Been Added by Full Text: P0000l Procurement Contracting Officer: Contract Specialist: Technical Points of Contact Contractor Poc the Purpose of This Modification Is To: 1.) Remove the Progress Payments Clause (Far 52.232-16) and Replace It With Performance-Based Payments Clause (Far 52.232-32). 2.) Add the Performance-Based Payment Table to Section G. 3.) Update the Wawf Clause With an Additional Wawf Point of Contact. This Modification Acts as a Complete and Equitable Adjustment for the Changes Herein. the Contractor Hereby Releases the Government From Any and All Liability for Further Equitable Adjustments Arising From These Changes. All Other Terms and Conditions Remain in Full Force and Effect