CRISIL reaffirms "CCR AAA" rating to MRPL

April 10, 2008

Credit rating agency, CRISIL reaffirmed the
"CCR AAA" rating to Mangalore Refinery and Petrochemicals Limited (MRPL), the ONGC Group Company and a mini ratna I.

The rating indicates highest degree of strength with regard to honouring debt obligations. The rating will be valid for one year from March 24, 2008.

Shri R Rajamani, our MD, has congratulated everyone responsible for the achievement.