Here's Why Shares of Western Refining Took a 22% Dip in December

By Tyler

What: Shares of Western Refining declined more than 22% in December thanks to overall weakness in the refining industry as well as an announcement that it had revised its bid for Northern Tier Energy .

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WNR data by YCharts

So what: Like just about every other independent oil refiner in the US this past month, shares of Western Refining took a pretty hard hit after Congress lifted crude oil export restrictions. Many investors see the lifting of a ban leading to higher domestic crude prices and, in turn, lower refining margins. While that is certainly a possibility, keep in mind that refiners have been enjoying uncommonly high refining margins over the past several quarters as crude prices have fallen in general.

Another aspect that seems to be unsettling to investors is that Western Refining changed the offer for Northern Tier Energy. Initially, Western Refining planned to buy the remaining 62% stake it did not own with an offer of $17.50 in cash and 0.2266 shares of Western Refining for every share of Northern Tier. On December 21st, though, Western Refining lowered the cash portion of the deal to $15 a share and upped the equity portion to 0.2986 shares of Western per Northern Tier share. The increased equity portion will lead to a little more share dilution than originally anticipated.

Now what: Both of the things that seem to be putting pressure on Western Refining shares aren't really a huge deal in the grand scheme of things. Buying up the rest of Northern Tier's shares outstanding is a good long term decision because Northern Tier continues to be one of the best performing refiners in the nation with low feedstock costs and high returns on capital. The ability to export crude oil may increase domestic oil prices slightly, but compared to the overall drop in prices it's a drop in the bucket.

The longer term question for Western Refining is its ability to integrate Northern Tier into its current operations without disrupting what it had been doing so well for the past few years. If it can do that, then Western Refining's current share price suggests that it's pretty undervalued.

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