BLALOCK VANCE S

Vice President and Treasurer at WESTERN GAS RESOURCES INC · on record since Mar 30, 2006

Insider trading activity of BLALOCK VANCE S

Transactions on record: 44; since Aug 27, 2003

Open-market buys: 0

Open-market sells: 12; $4.6M

Companies traded: 1; last filing Aug 23, 2006

Figures computed from official regulatory filings — .

Companies where BLALOCK VANCE S has traded

WESTERN GAS RESOURCES INC44 tx · $7.8M · Aug 23, 2006

Track record of BLALOCK VANCE S

Insufficient history for a statistical track record (fewer than 5 open-market buys).

Transaction history of BLALOCK VANCE S

Co-insiders of BLALOCK VANCE S

AABAK EDWARD AWESTERN GAS RESOURCES INC
ANADARKO PETROLEUM CORPWESTERN GAS RESOURCES INC
Brewster John E JrWESTERN GAS RESOURCES INC
CHANDLER JOHN FWESTERN GAS RESOURCES INC
DEA PETER AWESTERN GAS RESOURCES INC
Gagnon Paul GWESTERN GAS RESOURCES INC
HAMILTON THOMAS MWESTERN GAS RESOURCES INC
JEFFRIES BRIANWESTERN GAS RESOURCES INC
JONES J BURTONWESTERN GAS RESOURCES INC
JONES JEFFERY EWESTERN GAS RESOURCES INC
KEANINI DAVID DWESTERN GAS RESOURCES INC
KRYSIAK WILLIAM JWESTERN GAS RESOURCES INC
OUTLAW LANNY FWESTERN GAS RESOURCES INC
Petry Mark RWESTERN GAS RESOURCES INC
PHILLIPS DEANWESTERN GAS RESOURCES INC
REID JOSEPH EWESTERN GAS RESOURCES INC
ROBINSON RICHARD BWESTERN GAS RESOURCES INC
SANDERSON BILL MWESTERN GAS RESOURCES INC
SAUVAGE WARDWESTERN GAS RESOURCES INC
SENTY JAMES AWESTERN GAS RESOURCES INC
Specht Rex LWESTERN GAS RESOURCES INC
STONEHOCKER WALTER LWESTERN GAS RESOURCES INC
WALTER JOHN CWESTERN GAS RESOURCES INC
WISE BRION GWESTERN GAS RESOURCES INC

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Company	Filed	Type	Qty	Price	Value · USD	Src
WESTERN GAS RESOURCES INCListing unverified	Aug 23, 2006	OtherD (derivative)	-14,667	0.00	—	SEC
WESTERN GAS RESOURCES INCListing unverified	Aug 23, 2006	OtherD (derivative)	-16,000	0.00	—	SEC
WESTERN GAS RESOURCES INCListing unverified	Aug 23, 2006	Other	-19,270	61.00	$1.2M	SEC
WESTERN GAS RESOURCES INCListing unverified	Aug 23, 2006	OtherD (derivative)	-8,668	0.00	—	SEC
WESTERN GAS RESOURCES INCListing unverified	Aug 23, 2006	OtherD (derivative)	-16,625	0.00	—	SEC
WESTERN GAS RESOURCES INCListing unverified	Jun 28, 2006	Sell	-10,000	59.67	$596.7K	SEC
WESTERN GAS RESOURCES INCListing unverified	Jun 28, 2006	Exercise	10,000	18.17	$181.7K	SEC
WESTERN GAS RESOURCES INCListing unverified	Jun 28, 2006	ExerciseD (derivative)	-10,000	0.00	—	SEC
WESTERN GAS RESOURCES INCListing unverified	May 22, 2006	Exercise	8,000	31.85	$254.8K	SEC
WESTERN GAS RESOURCES INCListing unverified	May 22, 2006	ExerciseD (derivative)	-8,000	0.00	—	SEC
WESTERN GAS RESOURCES INCListing unverified	May 22, 2006	Sell	-8,000	48.60	$388.8K	SEC
WESTERN GAS RESOURCES INCListing unverified	Mar 30, 2006	Sell	-7,333	48.52	$355.8K	SEC
WESTERN GAS RESOURCES INCListing unverified	Mar 30, 2006	ExerciseD (derivative)	7,333	0.00	—	SEC
WESTERN GAS RESOURCES INCListing unverified	Mar 30, 2006	Exercise	7,333	28.35	$207.9K	SEC
WESTERN GAS RESOURCES INCListing unverified	Mar 24, 2006	Award	3,658	0.00	—	SEC
WESTERN GAS RESOURCES INCListing unverified	Feb 28, 2006	AwardD (derivative)	16,625	0.00	—	SEC
WESTERN GAS RESOURCES INCListing unverified	Feb 28, 2006	Award	3,658	0.00	—	SEC
WESTERN GAS RESOURCES INCListing unverified	Dec 30, 2005	Sell	-5,668	50.00 USD	$283.4K	SEC
WESTERN GAS RESOURCES INCListing unverified	Dec 30, 2005	Exercise	5,668	16.48 USD	$93.4K	SEC
WESTERN GAS RESOURCES INCListing unverified	Dec 30, 2005	ExerciseD (derivative)	-5,668	0.00 USD	—	SEC
WESTERN GAS RESOURCES INCListing unverified	Sep 26, 2005	Exercise	8,666	19.02 USD	$164.8K	SEC
WESTERN GAS RESOURCES INCListing unverified	Sep 26, 2005	Sell	-8,300	51.66 USD	$428.8K	SEC
WESTERN GAS RESOURCES INCListing unverified	Sep 26, 2005	Sell	-366	51.24 USD	$18.8K	SEC
WESTERN GAS RESOURCES INCListing unverified	Sep 26, 2005	ExerciseD (derivative)	-8,666	0.00 USD	—	SEC
WESTERN GAS RESOURCES INCListing unverified	Sep 2, 2005	ExerciseD (derivative)	-10,000	0.00 USD	—	SEC

Company	Filed	Type	Qty	Price	Value · USD	Src
WESTERN GAS RESOURCES INCListing unverified	Aug 23, 2006	OtherD (derivative)	-14,667	0.00	—	SEC
WESTERN GAS RESOURCES INCListing unverified	Aug 23, 2006	OtherD (derivative)	-16,000	0.00	—	SEC
WESTERN GAS RESOURCES INCListing unverified	Aug 23, 2006	Other	-19,270	61.00	$1.2M	SEC
WESTERN GAS RESOURCES INCListing unverified	Aug 23, 2006	OtherD (derivative)	-8,668	0.00	—	SEC
WESTERN GAS RESOURCES INCListing unverified	Aug 23, 2006	OtherD (derivative)	-16,625	0.00	—	SEC
WESTERN GAS RESOURCES INCListing unverified	Jun 28, 2006	Sell	-10,000	59.67	$596.7K	SEC
WESTERN GAS RESOURCES INCListing unverified	Jun 28, 2006	Exercise	10,000	18.17	$181.7K	SEC
WESTERN GAS RESOURCES INCListing unverified	Jun 28, 2006	ExerciseD (derivative)	-10,000	0.00	—	SEC
WESTERN GAS RESOURCES INCListing unverified	May 22, 2006	Exercise	8,000	31.85	$254.8K	SEC
WESTERN GAS RESOURCES INCListing unverified	May 22, 2006	ExerciseD (derivative)	-8,000	0.00	—	SEC
WESTERN GAS RESOURCES INCListing unverified	May 22, 2006	Sell	-8,000	48.60	$388.8K	SEC
WESTERN GAS RESOURCES INCListing unverified	Mar 30, 2006	Sell	-7,333	48.52	$355.8K	SEC
WESTERN GAS RESOURCES INCListing unverified	Mar 30, 2006	ExerciseD (derivative)	7,333	0.00	—	SEC
WESTERN GAS RESOURCES INCListing unverified	Mar 30, 2006	Exercise	7,333	28.35	$207.9K	SEC
WESTERN GAS RESOURCES INCListing unverified	Mar 24, 2006	Award	3,658	0.00	—	SEC
WESTERN GAS RESOURCES INCListing unverified	Feb 28, 2006	AwardD (derivative)	16,625	0.00	—	SEC
WESTERN GAS RESOURCES INCListing unverified	Feb 28, 2006	Award	3,658	0.00	—	SEC
WESTERN GAS RESOURCES INCListing unverified	Dec 30, 2005	Sell	-5,668	50.00 USD	$283.4K	SEC
WESTERN GAS RESOURCES INCListing unverified	Dec 30, 2005	Exercise	5,668	16.48 USD	$93.4K	SEC
WESTERN GAS RESOURCES INCListing unverified	Dec 30, 2005	ExerciseD (derivative)	-5,668	0.00 USD	—	SEC
WESTERN GAS RESOURCES INCListing unverified	Sep 26, 2005	Exercise	8,666	19.02 USD	$164.8K	SEC
WESTERN GAS RESOURCES INCListing unverified	Sep 26, 2005	Sell	-8,300	51.66 USD	$428.8K	SEC
WESTERN GAS RESOURCES INCListing unverified	Sep 26, 2005	Sell	-366	51.24 USD	$18.8K	SEC
WESTERN GAS RESOURCES INCListing unverified	Sep 26, 2005	ExerciseD (derivative)	-8,666	0.00 USD	—	SEC
WESTERN GAS RESOURCES INCListing unverified	Sep 2, 2005	ExerciseD (derivative)	-10,000	0.00 USD	—	SEC