Neste Oil - Company Announcement

Neste Oil's diesel line 4 at Porvoo shut down for maintenance

Neste Oil Corporation
Stock Exchange Release
4 June 2012 at 9.00 a.m. (EET)

Neste Oil's diesel line 4 at Porvoo shut down for maintenance

Following an unexpected production incident on diesel line 4 at Neste Oil's
Porvoo refinery, the line has been shut down. Maintenance work originally
scheduled for the fall will be carried out during the outage, and the line is
expected to be back on-stream in the second half of July.

The maintenance shutdown will have a negative impact on the Oil Products
segment's second-quarter result. Neste Oil's guidance for its overall 2012
result, given in the interim report for the first quarter, remains unchanged,
however: Oil Products' full-year comparable operating profit is expected to
improve compared to 2011, assuming that Neste Oil's reference refining margin
remains at last year's level.

Neste Oil currently plans to carry out its next scheduled maintenance turnaround
on the line in spring 2013.

Neste Oil Corporation

Hanna Maula
Director, Corporate Communications

Further information: Ilkka Salonen, CFO, tel. +358 10 458 4490

Neste Oil in brief
Neste Oil Corporation is a refining and marketing company concentrating on low-
emission, high-quality traffic fuels. The company produces a comprehensive range
of major petroleum products and is the world's leading supplier of renewable
diesel. Neste Oil had net sales of EUR 15.4 billion in 2011 and employs around
5,000 people, and is listed on NASDAQ OMX Helsinki.

Neste Oil is included in the Dow Jones Sustainability World Index and the
Ethibel Pioneer Investment Register, and has featured in The Global 100 list of
the world's most sustainable corporations for a number of years. Forest
Footprint Disclosure (FFD) has ranked Neste Oil as one of the best performers in
the oil & gas sector. Further information: www.nesteoil.com


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