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Exhibit 31.1

CERTIFICATION

I, Alberto Rodriguez, certify that:

1.I have reviewed this Amendment No. 1 to Annual Report on Form 10-K of MediaCo Holding Inc.; and

2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

Date: April 30, 2026

			/s/ Alberto Rodriguez
			Alberto Rodriguez
			Chief Executive Officer and President (Principal Executive Officer)