Moody's Maintains International Ratings of Ecopetrol S.A.

- Long term corporate rating remains at Baa2 
- Credit outlook remains at "stable" 
- Credit rating remains at Baa2 
BOGOTA, Colombia, Jan. 9, 2013 /CNW/ - Ecopetrol S.A. (BVC: ECOPETROL; NYSE: 
EC; TSX: ECP) reports that the Moody's Investors Service risk ratings agency 
maintained Ecopetrol's international ratings at Baa2 with a stable outlook. 
These ratings cover Ecopetrol's debt securities on international markets. 
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With these ratings the company continues to be investment grade. 
The complete press release is available on the website . 
Ecopetrol is Colombia's largest integrated oil & gas company, where it 
accounts for 60% of total production. It is one of the top 50 oil companies in 
the world and the fourth largest oil company in Latin America. The Company is 
also involved in exploration and production activities in Brazil, Peru and the 
United States Gulf Coast, and owns the main refineries in Colombia, most of 
the network of oil and multiple purpose pipelines in the country, 
petrochemical plants, and is entering into the biofuels business. 
This release contains forward-looking statements relating to the prospects of 
the business, estimates for operating and financial results, and those related 
to growth prospects of Ecopetrol. These are merely projections and, as such, 
are based exclusively on the expectations of management concerning the future 
of the business and its continued access to capital to fund the Company's 
business plan. Such forward-looking statements depend, substantially, on 
changes in market conditions, government regulations, competitive pressures, 
the performance of the Colombian economy and the industry, among other 
factors; therefore, they are subject to change without prior notice. 
Contact us for any additional information: 
Investor Relations Alejandro Giraldo Phone: +571-234-5190  Email: 
Media Relations (Colombia)  Mauricio Tellez Phone: +571-2345377  Fax: 
+571-2344480  Email: 
SOURCE: Ecopetrol S.A. 
To view this news release in HTML formatting, please use the following URL: 
CO: Ecopetrol S.A.
NI: OIL UTI 2523  
-0- Jan/09/2013 22:22 GMT
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