Filing search / Ecopetrol S.A. / "Natural Gas" / Page 9

6-K

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16 Feb 12

Current report (foreign)

12:00am

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1 Feb 12

Current report (foreign)

12:00am

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25 Oct 11

Current report (foreign)

12:00am

20-F/A

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8 Aug 11

Annual report (foreign) (amended)

12:00am

6-K

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22 Jul 11

Current report (foreign)

12:00am

6-K

EX-99.1

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27 May 11

Current report (foreign)

12:00am

6-K

EX-99.3

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27 May 11

Current report (foreign)

12:00am

6-K

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27 May 11

Current report (foreign)

12:00am

6-K

EX-23.5

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27 May 11

Current report (foreign)

12:00am

6-K

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5 May 11

Current report (foreign)

12:00am

6-K

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31 Mar 11

Current report (foreign)

12:00am

6-K/A

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14 Mar 11

Current report (foreign) (amended)

12:00am

6-K

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1 Mar 11

Current report (foreign)

12:00am

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EX-99.1

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24 Jan 11

Ecopetrol and Talisman Energy Finalize the Purchase of BP in Colombia and Announce Change of Company Name

12:00am