Are out-of-state organizations funding Amendment 5 advocacy in Missouri?

YES

Missouri Promise PAC, the main supporter of Amendment 5, received millions from organizations with out-of-state addresses, according to the Missouri Ethics Commission and ProPublica. The political action committee has paid for TV and online ads, including on Facebook, according to ProPublica. 

If passed on Aug. 4, Amendment 5 would reduce the state’s income tax as revenue grows, according to Ballotpedia.

Gov. Mike Kehoe said out-of-state interests shouldn’t influence Missouri’s constitution in a video posted to X last summer. However, Missouri Promise Inc., a nonprofit incorporated in Delaware last November, contributed more than $1.9 million to Missouri Promise PAC in May 2026, according to the Ethics Commission. 

Other contributions include $6.5 million from Missouri Action, $1.5 million from Secure Missouri, $1.3 million from American Policy Coalition — which is registered to an Ohio address — $1 million from Maryland-based nonprofit America Advancement Inc., and $500,000 from Virginia-based nonprofit Revitalization Project, according to the Ethics Commission.

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Sources

• ProPublica: Missouri’s Governor Is Opposed to Out-Of-State Funding, but Not for His Own Ballot Measure

• The Kansas City Star: Nearly $10M pours into Missouri’s Amendment 5. But those donors remain hidden

• The Kansas City Star: Mysterious group pours $1.9M into Missouri’s income tax phase-out campaign

• Ballotpedia: Missouri Amendment 5, Income Tax Elimination and Sales Tax Changes Amendment (August 2026)

• Missouri Ethics Commission: Contributions Over $5,000 Search