Filing search / Ecopetrol S.A. / "Audit" / Page 6

6-K

EX-99.1

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27 Mar 15

Ecopetrol Announcement on the Amendment to Its Bylaws Approved by the Shareholders’ General Assembly

12:00am

6-K

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4 Mar 15

Current report (foreign)

12:00am

6-K

EX-99.1

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3 Nov 14

Current report (foreign)

12:00am

6-K

EX-99.2

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22 Oct 14

Current report (foreign)

12:00am

6-K

EX-99.1

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9 Sep 14

Interim Unconsolidated Financial Statements

12:00am

6-K

EX-99.1

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20 May 14

Interim Unconsolidated Financial Statements

12:00am