2013-01-09 22:30:34 -

SAN ANTONIO - January 9, 2013 - Tesoro Corporation (NYSE:TSO) announced today
that it plans to release its earnings for the fourth quarter 2012 after the
market closes on Wednesday, February 6, 2013.  The Company will broadcast, live,
its conference call with analysts regarding fourth quarter results and other
business matters on Thursday, February 7, 2013 at 7:30 a.m. CST.  Interested
parties may listen to the live conference call over the Internet by logging on
to  www.tsocorp.com.

Tesoro  Corporation,  a  Fortune  150 company,  is  an  independent  refiner and
marketer of petroleum products. Tesoro, through its subsidiaries, operates seven
refineries   in   the   western  United  States  with  a  combined  capacity    of
approximately 675,000 barrels per day. Tesoro's retail-marketing system includes
nearly  1,390 branded retail stations, of  which nearly 590 are company operated
under the Tesoro(®), Shell(®) and USA Gasoline(TM) brands.


Contact:
Investors:
Louie Rubiola, Director, Investor Relations, (210) 626-4355

Media:
Tesoro Media Relations, Media@tsocorp.com, (210) 626-7702 



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Source: Tesoro Corporation via Thomson Reuters ONE
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