Related parties (Tables)

12 Months Ended

Dec. 31, 2025

Related parties

Schedule of associates and joint ventures

Balances with associates and joint ventures as of December 31, 2025 and 2024 are as follows:


		Trade and		Trade and		Trade and
		other		other receivables		other		Loans and		Other
		receivables		– Loans		payables		borrowings (1)		liabilities
Joint Ventures
Equion Energía Limited		—		—		—		728		1
Ecodiesel Colombia S.A.		3		—		45		—		—
Interligação Elétrica do Madeira S.A.		35		—		—		—		—
Interligação Elétrica Garanhuns S.A.		10		—		—		—		—
Interligação Elétrica Ivaí S.A.		40		2		—		—		—
Transmissora Aliança de Energia Elétrica S.A.		36		—		—		—		—
Consorcio Eléctrico Yapay		—		14		—		—		—
Conexión Kimal Lo Aguirre S.A.		—		531		—		—		—
Associates
Gases del Caribe S.A. E.S.P.		—		—		4		—		—
Extrucol S.A.		—		—		1		—		—
Balance as of December 31, 2025		124		547		50		728		1
Current		124		16		50		728		1
Non–current		—		531		—		—		—
		124		547		50		728		1
		(Note 7)		(Note 7)		(Note 21)		(Note 20)


		Trade and		Trade and		Trade and
		other		other receivables		other		Loans and
		receivables		– Loans		payables		borrowings (1)
Joint Ventures
Equion Energía Limited		—		—		1		829
Ecodiesel Colombia S.A.		5		—		59		—
Interligação Elétrica do Madeira S.A.		37		—		—		—
Interligação Elétrica Garanhuns S.A.		10		—		—		—
Interligação Elétrica Paraguaçu S.A.		22		—		—		—
Interligação Elétrica Aimorés S.A.		13		—		—		—
Interligação Elétrica Ivaí S.A.		17		2		—		—
Transmissora Aliança de Energia Elétrica S.A.		55		—		—		—
Consorcio Eléctrico Yapay		—		3		—		—
Conexión Kimal Lo Aguirre S.A.		—		347		—		—
Associates
Gases del Caribe S.A. E.S.P.		—		—		4		—
E2 Energía Eficiente S.A. E.S.P.		3		—		1		—
Balance as of December 31, 2024		162		352		65		829
Current		162		5		65		829
Non–current		—		347		—		—
		162		352		65		829
		(Note 7)		(Note 7)		(Note 21)		(Note 20)

Loans:

(1)	Resource deposited by Equion in Ecopetrol Capital AG.

Schedule of transactions between related parties


		Year ended December 31
		2025				2024				2023
				Cost of sales				Cost of sales				Cost of sales
				- Purchases				- Purchases				- Purchases
		Sales		and others		Sales		and others		Sales		and others
Joint Ventures
Equion Energy Limited		—		40		—		43		—		3
Ecodiesel Colombia S.A.		41		567		39		516		25		541
		41		607		39		559		25		544
Associates
Gases del Caribe S.A. E.S.P.		—		16		—		34		—		—
Gas Natural del Oriente S.A. E.S.P.		—		—		—		5		—		40
Extrucol S.A.		—		3		—		5		—		4
E2 Energía Eficiente S.A. E.S.P.		32		2		85		4		91		3
		32		21		85		48		91		47
		73		628		124		607		116		591