Killajoules

Tesoro Announces North Dakota Expansion
Tesoro Corporation (NYSE:TSO) today announced that it plans to expand the crude oil throughput capacity at its Mandan, North Dakota refinery from 58,000 barrels per day (bpd) to 68,000 bpd by the second quarter of 2012, subject to permitting requirements. During the past three years, the average throughput at the refinery was approximately 52,000 bpd.

Tesoro monitoring all Refinery Operations
Tesoro Corporation (NYSE:TSO) is monitoring activities at its subsidiaries' operations as the result of tsunami wave activity from the earthquake in Japan. Initial reports are that there has been no impact to our refining operations in Hawaii and Alaska.

Tesoro Petroleum refinery in Mandan, ND, recognized by OSHA for excellence in job safety and health
The U.S. Department of Labor's Occupational Safety and Health Administration has recognized the Tesoro Petroleum refinery in Mandan, N.D., for an exemplary workplace safety and health program. The petroleum refinery was designated as a "star" site, the highest level of recognition offered by OSHA's Voluntary Protection Programs.

L&I issues record fine in deadly Tesoro explosion
After a six-month investigation, Department of Labor & Industries (L&I) has concluded that the deadly explosion at the Tesoro petroleum refinery in Anacortes could have been prevented.