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History

SK energyassumes responsibility for improving the quality of life

Currently - 2010 The oil business was spun off and it took the brand name 'SK energy' (2011) The oil business was spun off and it took the brand name 'SK energy' (2011)

2015
12. Received the KISA President's Award at the 14th K-ICT Information Security Awards
09. Chosen as the best company in terms of donations for education
2013
07. The Incheon Complex spun off its trading division
05. EnClean.com obtained a web accessibility certification mark for the first time in the oil industry
01. SK energy received a certification from the President of Korea as the best company in creating employment
2012
12. Received the "USD 20 Billion Export Tower" award on Trade Day
12. SK gas stations were top ranked in 3 major customer satisfaction surveys (KCSI, KKS-SQI and NCSI)
05. Made a large-scale PX facility investment in the Incheon Complex
2011
01. The oil business was spun off and it took the brand name 'SK energy'
2010
10. Held a completion ceremony for the Jeungpyeong plant (completion of the production line for LiBS 4 & 5 and a ground-breaking ceremony for the TAC/FCCL production line)
07. Chosen as a supplier of high-speed electric car batteries for Hyundai Kia Motors
06. Held a completion ceremony for SK's LNG plant in Peru

2009 - 2000 Made a leap forward as a major energy and chemical company in the Asia Pacific region (2008) 2009 - 2000 Made a leap forward as a major energy and chemical company in the Asia Pacific region (2008)

2009
10. SK lubricants was established with its entire shares owned by SK innovation
2008
07. Held a completion ceremony for SK's lube base oil plant in Indonesia
02. Completed merger with SK Incheon Oil
2007
07. Split into a holding company (SK Holdings) and an operating company (SK energy Co., Ltd.)
04. Signed a joint management agreement on the plastic compound business with Hyundai EP
02. Held a ground-breaking ceremony for SK's lube base oil plant in Indonesia
01. Formed a strategic partnership with Nippon Oil Corporation. Signed a strategic partnership for global business using ACO technology
2006
10. Held a Board of Directors' meeting in Dubai which is the center of the global crude oil market
09. Completed preparation for advancing into the hybrid-car battery market
08. Joined an exploration project in Kazakhstan
06. Newly joined an exploration project in Madagascar
04. Created a firm basis to maintain its top ranking in the global premium lube base oil market
02. S&P upgraded the credit rating of SK Co., Ltd. to BBB-
01. Began an LNG project in Peru in full-scale
2005
12. Signed an agreement to take over Incheon Oil
11. Held a joint ceremony celebrating the completion of environment-friendly and ultra-low sulfur fuel oil production unit
08. Was chosen as the winner of the 6th Internal Audit Awards
07. Exported the APU technology which was developed for the first time in the world
06. Was chosen as one of the best companies in terms of corporate governance in 2005
2004
10. Established SK China Holding Company
09. Held a completion ceremony to celebrate the second lube base oil plant
07. Launched corporate-wide voluntary service group
05. Held a ground-breaking ceremony for the second-phase of the Ulsan Grand Park
04. Announced New SK and improved SKMS
2003
12. Joined the Gwangyang LNG thermal plant (the first privately-developed commercial power plant in Korea) construction project with British Petroleum
11. Commenced crude oil production at Su Tu Den oilfield of sector 15-1 in Vietnam in which SK has an equity stake
2002
08. Held a retirement ceremony for the atmospheric distillation tower, which was built as the first of its kind in Korea
07. Successfully issued SKT shares in overseas securities market
04. Opened the first phase of Ulsan Grand Park
2001
12. Launched a telematics business and a pilot service
05. Confirmed the market potential of crude oil developed in sector 15-1 in Vietnam
2000
07. Sold a technology for depression medicine (YKP10A) to Johnson & Johnson in the U.S
01. Opened OKCashbag.com, the largest hub site in Korea

1999-1990 Took off again to become a global top player in the 2000s with the energy and chemistry business 2009-2000 Took off again to become a global top player in the 2000s with the energy and chemistry business

1999
07. Sold an epilepsy treatment-related technology
03. Launched OK Cashbag service, which is a loyalty program that gives customers loyalty points as well as discounts
1997
10. Changed the company name from Yugong to SK Co., Ltd
06. Established a local corporation for oil field development (SK E&P Company)
03. Started the second manufacturing unit for synthetic resins (320,000 tons produced per year)
01. Started the second desulfurization unit (60,000 barrels produced per day) and cracking unit (50,000 barrels produced per day) for heavy oil
1996
10. Started the fifth atmospheric distillation unit (240,000 barrels produced per day with the total production capacity at 810,000 barrels produced per day)
07. Initiated commercial production of crude oil from Sector 8 in Peru
1995
09. Started the fourth hydrogenation and desulfurization unit for kerosene and diesel (50,000 barrels produced per day)
1994
11. Initiated crude oil production from North Zaafarana, Egypt
06. Acquired 20.2% of stocks and management right of Korea Mobile Telecom Co., Ltd
1992
05. Started the first desulfurization (30,000 barrels produced per day) and cracking (30,000 barrels produced per day) unit for heavy oil
1991
05. Started the fourth commercial distillation unit (200,000 barrels produced per day)
1990
08. Started the first synthetic resin manufacturing unit (250,000 tons produced per year)

1989 - 1980 Established the ground as a comprehensive energy & chemical company (1980) 1989 - 1980 Established the ground as a comprehensive energy & chemical company (1980)

1989
12. Started the second naphtha cracking unit (400,000 tons produced per year)
1988
01. Started to import crude oil from Marib, Yemen
1987
05. Started a grease manufacturing unit (3,000 tons produced per year as of now)
1985
12. Started a new aromatic-compound manufacturing plant (400,000 tons produced per year)
11. Increased the production capacity of oil-refining units by improving atmospheric distillation units (345,000 barrels produced per day)
05. Merged Korea Petroleum Holdings
1982
07. Changed the brand name from Korea Petroleum Corporation to Yugong
1980
12. Sunkyung Co., Ltd. acquired the management right of the company according to the government's privatization policies
08. Korea Petroleum Holdings Co., Ltd. acquired 50% of the stocks that had been owned by Gulf
03. Expanded the lubricant oil mixing plant (4,500 barrels produced per day as of now)

1979 - 1962 Korea Petroleum Corporation was created as the first oil refiner in Korea (1962) 1979-1969 Korea Petroleum Corporation was created as the first oil refiner in Korea (1962)

1978
03. Expanded the naphtha cracking center (155,000 tons of ethylene per year)
1976
07. The Korea Development Bank sold its shares to Korea Petroleum Holdings Co., Ltd
1974
06. Expanded the second atmospheric distillation unit (110,000 barrels produced per day)
1973
03. Started a naphtha cracking center (100,000 tons of ethylene produced per year)
1972
10. Started the third atmospheric distillation unit (105,000 barrels produced per day)
09. Completed the installation of long-distance oil pipeline between Ulsan and Daegu
1970
05. Gulf acquired 50% and the management right of Korea Petroleum Corporation
05. Started an aromatic compound manufacturing plant (216,000 tons produced per year)
1968
12. Started a lubricant oil mixing plant (550 barrels produced per day)
04. Started the second atmospheric distillation unit (60,000 barrels produced per day)
1967
05. Expanded the first atmospheric distillation unit (55,000 barrels produced per day)
1964
04. Started the first atmospheric distillation unit (35,000 barrels produced per day)
1962
10. Established Korea Petroleum Corporation, the first oil refinery in Korea