Lubricants and Fuels

Owner

LYONDELL-CITGO REFINING COMPANY LTD.

—

Lubricants and Fuels

Owner

LYONDELL-CITGO REFINING COMPANY LTD.

—

Computer and Scientific

Owner

LYONDELL-CITGO REFINING COMPANY, LTD.

Aug 26, 1997

Lubricants and Fuels

Owner

LYONDELL-CITGO REFINING COMPANY LTD.

Apr 8, 1997

Lubricants and Fuels

Owner

LYONDELL-CITGO REFINING COMPANY LTD.

Feb 6, 1996

Lubricants and Fuels

Owner

LYONDELL-CITGO REFINING COMPANY LTD.

Jan 5, 1993

Lubricants and Fuels

Owner

LYONDELL-CITGO REFINING COMPANY LTD.

Oct 15, 1991