Wesfarmers (ASX:WES) is Australia's leading conglomerate, headquartered in Perth, Western Australia. It is also widely considered among the market's blue chip stocks.

The company owns several iconic Australian businesses, including supermarket chain Coles, hardware retailer Bunning's Warehouse, discount department stores Target and K-Mart, and office supplies provider Officeworks. WES also involves in industrials supplies distribution, coal mining, fertilisers, chemicals and general insurance.

Today, WES announced that it has sold its Premier coal mine to Chinese-based Yancoal, for $296.8 million.

The deal needs approval from Australian and Chinese regulators, and WES said that the sale would generate an additional $90 million in pre-tax profit.