Smoking cigarettes and shisha in most public places will now be punishable by law.
Sheikh Salem Abdul-Aziz al-Sabah blamed a rise in public spending for his decision.
The Kuwaiti bank reported a net profit of KD302.4 million in 2011 compared to KD301.7 million in 2010.
The $9 billion refinery project in China is expected to produce 300,000 barrels per day of crude oil.
The move will make the bourse the second publicly traded stock exchange in the region.