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Trademark Assignment Abstract of Title

Total Assignments: 7
Serial #:
Filing Dt:
06/02/1992
Reg #:
Reg. Dt:
11/15/1994
Registrant:
LYONDELL-CITGO REFINING COMPANY LTD.
Mark:
HYTHERM
Assignment: 1
Reel/Frame:
1025/0253   Recorded: 08/19/1993Pages: 6
Conveyance:
ASSIGNS THE ENTIRE INTEREST AND THE GOODWILL
Assignor:
Exec Dt:
07/01/1993
Entity Type:
CORPORATION
Citizenship:
NONE
Assignee:
P.O. BOX 4454 (ZIP/77210-4454)
ONE HOUSTON CENTER, SUITE 1300 1221 MCKINNEY
HOUSTON, TEXAS 77010
Entity Type:
LIMITED LIABILITY COMPANY
Citizenship:
TEXAS
Correspondent:
DOUGLAS G. HAMILTON
1221 MCKINNEY
ONE HOUSTON CENTER, SUITE 1600
HOUSTON, TX 77010
Assignment: 2
Reel/Frame:
2191/0407   Recorded: 11/16/2000Pages: 7
Conveyance:
CONVERSION OF NAME
Assignor:
Exec Dt:
12/31/1998
Entity Type:
A TEXAS LIMITED LIABILITY COMPANY
Citizenship:
NONE
Assignee:
12000 LAWNDALE
HOUSTON, TEXAS 77017
Entity Type:
LIMITED PARTNERSHIP
Citizenship:
NONE
Correspondent:
LYONDELL CHEMICAL COMPANY
ROBERT E. LEE, JR., C/O VICKIE THOMAS
1221 MCKENNEY, SUITE 1600
HOUSTON, TX 77010
Assignment: 3
Reel/Frame:
2639/0911   Recorded: 12/24/2002Pages: 7
Conveyance:
SECURITY INTEREST
Assignor:
Exec Dt:
12/10/2002
Entity Type:
LIMITED PARTNERSHIP
Citizenship:
NONE
Assignee:
ONE MADISON AVENUE, 8TH FLOOR
NEW YORK, NEW YORK 10010
Entity Type:
BANK ORGANIZED UNDER THE LAWS OF
Citizenship:
SWITZERLAND
Correspondent:
BRACEWELL AND PATTERSON, L.L.P.
BEN D. TOBOR
INTERNAL ADDRESS: 020380.000018
P.O. BOX 61389
HOUSTON, TX 77208-1389
Assignment: 4
Reel/Frame:
3091/0934   Recorded: 12/13/2004Pages: 7
Conveyance:
SECURITY AGREEMENT
Assignor:
Exec Dt:
05/21/2004
Entity Type:
LIMITED PARTNERSHIP
Citizenship:
NONE
Assignee:
ONE MADISON AVENUE
8TH FLOOR
NEW YORK, NEW YORK 10010
Entity Type:
BANK ORGANIZED UNDER THE LAWS OF SWITZERLAND
Citizenship:
NONE
Correspondent:
BEN D. TOBOR
BRACEWELL & PATTERSON, L.L.P.
P.O. BOX 61389
HOUSTON, TX 77208-1389
Assignment: 5
Reel/Frame:
3642/0469   Recorded: 10/18/2007Pages: 4
Conveyance:
ASSIGNS THE ENTIRE INTEREST
Assignor:
Formerly: FORMERLY LYONDELL-CITGO REFINING, LP
Exec Dt:
09/24/2007
Entity Type:
LIMITED PARTNERSHIP
Citizenship:
DELAWARE
Assignee:
1293 ELDRIDGE PARKWAY
HOUSTON, TEXAS 77077
Entity Type:
CORPORATION
Citizenship:
DELAWARE
Correspondent:
RACHEL BLUE
320 S. BOSTON, SUITE 500
DOERNER SAUNDERS DANIEL & ANDERSON
TULSA, OK 74119
Assignment: 6
Reel/Frame:
3747/0123   Recorded: 03/26/2008Pages: 6
Conveyance:
RELEASE OF 2004 LYONDELL-CITGO REFINING L.P. PATENT AND TRADEMARK SECURITY AGREEMENT
Assignor:
Exec Dt:
12/20/2007
Entity Type:
BANK
Citizenship:
SWITZERLAND
Assignee:
12000 LAWNDALE
HOUSTON, TEXAS 77251-2451
Entity Type:
LIMITED PARTNERSHIP
Citizenship:
DELAWARE
Correspondent:
SKADDEN, ARPS, SLATE, MEAGHER & FLOM LLP
FOUR TIMES SQUARE
ATTN: SCOTT BROWN, ESQ.
NEW YORK, NY 10036
Assignment: 7
Reel/Frame:
3747/0199   Recorded: 03/26/2008Pages: 7
Conveyance:
RELEASE OF 2002 LYONDELL-CITGO REFINING L.P. PATENT AND TRADEMARK SECURITY AGREEMENT
Assignor:
Exec Dt:
12/20/2007
Entity Type:
BANK
Citizenship:
SWITZERLAND
Assignee:
12000 LAWNDALE
HOUSTON, TEXAS 77251-2451
Entity Type:
LIMITED PARTNERSHIP
Citizenship:
DELAWARE
Correspondent:
SKADDEN, ARPS, SLATE, MEAGHER & FLOM LLP
FOUR TIMES SQUARE
ATTN: SCOTT BROWN, ESQ.
NEW YORK, NY 10036

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