| 1990 |
Fox Television's animated program "The Simpsons" makes its television debut; "America's Funniest Home Videos" is the most popular television show. |
| 1990 |
CITGO becomes wholly owned by PDVSA upon its acquisition of the remaining half of the company. |
| 1990 |
The former Champlin Refinery in Corpus Christi, which was purchased by PDVSA from Union Pacific, is integrated into the CITGO refining network. |
| 1990 |
CITGO acquires the Seaview Asphalt Company, headquartered in Blue Bell, PA with a refinery in Paulsboro, NJ. |
| 1990 |
CITGO honored with the prestigious Petroleum Marketers Association of America Supplier Cup. |
| 1991 |
Soviet Union collapses. |
| 1991 |
CITGO reports increase in income from operations while its competition reports losses. |
| 1991 |
CITGO spends $283 million for construction of new refinery units and upgrades. |
| 1991 |
CITGO invests more than $40 million in environmental protection projects. |
| 1991 |
Six persons are killed in explosion and fire at CITGO's Lake Charles Refinery "A" Catalytic Cracking Unit.. |
| 1991 |
Persian Gulf War. |
| 1992 |
In the largest world summit meeting ever held, representatives of 178 nations meet in Brazil to discuss environmental problems. |
| 1992 |
CITGO posts a record low OSHA Recordable Incidence Rate of less than 2.0-among the best in the industry. |
| 1992 |
CITGO lubricants sales volumes increase a record 10 percent. |
| 1992 |
Branded gasoline sales volumes increase eight percent. |
| 1992 |
CITGO signs a Letter of Intent to purchase the Amoco Asphalt Refinery in Savannah, GA. |
| 1993 |
Congress ratifies the North American Free Trade Agreement (NAFTA) with Canada and Mexico. |
| 1993 |
CITGO sets financial performance record of $340.1 million in income from operations. |
| 1993 |
Nearly $100 million invested in environmental protection projects |
| 1993 |
CITGO President Ron Hall announces $1.7 billion capital investment program. |
| 1993 |
Gasoline sales to distributors increase 19 percent despite an industry-wide decline in sales. |
| 1993 |
CITGO enters into joint venture agreement with LYONDELL Chemical to form the Lyondell-CITGO Refinery Company in Houston; CITGO owns 41 percent. |
| 1993 |
First Web browser, Mosaic, invented. |
| 1994 |
The World Wide Web, a computer network that allows users to utilize graphical interfaces through Web browsers, makes the Internet much more accessible. |
| 1994 |
CITGO President and CEO Ron Hall announces his retirement. |
| 1994 |
Branded retail outlets increase to more than 13,100. |
| 1994 |
CITGO is awarded the prestigious PMAA Supplier Cup for an unprecedented third time. |
| 1994 |
CITGO Asphalt Refining (CARCO) increases its sales volumes 17 percent. |
| 1994 |
Construction begins on the billion dollar plus revamp of the joint venture Lyondell-CITGO Refinery in Houston. |
| 1995 |
CITGO has record earnings of $379 million. |
| 1995 |
The Rock and Roll Hall of Fame opens in Cleveland; Grateful Dead guitarist Jerry Garcia dies. |
| 1995 |
Ralph Cunningham becomes President and CEO of CITGO succeeding the retiring Ron Hall. |
| 1995 |
CITGO has a record year in safety with an OSHA Recordable Rate of 1.5. |
| 1995 |
CITGO-Branded retail outlets exceed 14,000. |
| 1995 |
72 Percent of the crude oil and feedstocks delivered to CITGO's refineries is from Venezuela. |
| 1996 |
Microsoft Corporation transmits the Academy Awards over the World Wide Web as a "Webcast." |
| 1996 |
CITGO has its best safety year ever with a 1.3 OSHA Recordable Incidence Rate. |
| 1996 |
CITGO announces plans to install SAP-a $100 million-plus enterprise-wide software package. |
| 1996 |
Letter of Intent is signed to reorganize the joint venture Uno-Ven and CITGO is chosen to operate the refinery in Lemont, IL. |
| 1996 |
Upgrade of the Lyondell-CITGO Refinery is mechanically complete. |
| 1996 |
The Corpus Christi Refinery is recognized as the "Automated Plant of the Year" by Control Magazine. |
| 1997 |
The comet Hale-Bopp comes to within 122 million miles of Earth-the closest a comet has come to Earth since 2000 BC. |
| 1997 |
David Tippeconnic named President and CEO of CITGO. |
| 1997 |
CITGO reports record income from operations of $423 million. |
| 1997 |
At year's end, CITGO had 14,885 branded retail outlets, more than any other company in the nation. |
| 1997 |
CARCO reports record throughput, sales and earnings. |
| 1997 |
Enterprise-wide software SAP implemented. |
| 1997 |
The newly revamped citgo.com Web site is launched with the Extranet for CITGO Marketers following shortly. |
| 1998 |
Mark McGwire of the St. Louis Cardinals hits 70 home runs, and Sammy Sosa of the Chicago Cubs slugs 66. Both players break Roger Maris' old single-season record of 61, set in 1961. |
| 1998 |
CITGO launches Total Facilities Management and Image Enhancement projects. |
| 1999 |
Impeachment hearings of Bill Clinton held. |
| 1999 |
CITGO sets all-time safety record with an OSHA Recordable Rate of 1.1. |
| 1999 |
CITGO Executive Vice President Roberto Mandini is named President of PDVSA to be succeeded later in the year by Dr. Hector Ciavaldini. |