HPCL Q4 results: Net profit jumps to Rs 3,018 cr on big inventory gains SECTIONS HPCL Q4 results: Net profit jumps to Rs 3,018 cr on big inventory gainsET Bureau Last Updated: May 20, 2021, 08:00 PM IST Share Synopsis “Enhanced profitability was a result of robust operational performance, improvement in refinery margins helped by inventory gains and favorable exchange rate variations,” said HPCL Chairman M K Surana. The gross refining margin for the quarter was $ 8.11 per barrel compared to minus $1.23 per barrel in the same quarter last year. Related NSE Explore Now New Delhi: Hindustan Petroleum’s fourth-quarter profit rose to Rs 3,018 crore from Rs 27 crore a year earlier on big inventory gains.