China Petroleum & Chemical (SHA:600028, HKG:0386), or Sinopec, posted first-quarter net profit attributable to shareholders of 13.3 billion yuan, down 28% from 18.3 billion yuan the previous year.
Earnings per share fell to 0.109 yuan from 0.153 yuan, according to a Monday filing with the Shanghai bourse.
The petrochemical company's revenue was down 6.9% year over year to 735.4 billion yuan from 790.0 billion yuan.
Shares of Sinopec declined 1% in recent trade on the Shanghai bourse and 2% on the Hong Kong bourse.