Aabak edward a - direct investment history in Western gas resources inc

Filed on 2006-08-23 by Aabak Edward A SEC CIK 1228343 Form 4

Accession 0001179110-06-017389.txt Sec File: edgar/data/1228343/0001179110-06-017389-index.htm

2006-08-23 Aabak Edward A (CIK 1228343) through Direct (Evp - Midstream)

Invested in Western Gas Resources Inc sold 12298 shares at $61.00 remaining shares owned 0

Common Stock Western Gas Resources Inc Wgr Transaction code: D Sale (or disposition) back to the issuer of the securities

f1 on august 23, 2006, at the effective time of the merger contemplated by the agreement and plan of merger, dated as of june 22, 2006, among anadarko petroleum corporation, apc merger sub, inc. and western gas resources, inc., the shares of common stock listed in table i were automatically cancelled and converted into the right to receive $61.00 in cash.


Filed on 2006-08-23 by Aabak Edward A SEC CIK 1228343 Form 4

Accession 0001179110-06-017389.txt Sec File: edgar/data/1228343/0001179110-06-017389-index.htm

2006-08-23 Aabak Edward A (CIK 1228343) through Direct (Evp - Midstream)

Invested in Western Gas Resources Inc sold 22263 shares at $0 remaining shares owned 0

Stock Option Right To Buy Western Gas Resources Inc Wgr exercise date 2007-02-24 exercise price 43.43 has valueitem expiration due date 2012-02-24 underlying security shares 22263 underlying security title Common Stock

f2 on august 23, 2006, at the effective time of the merger contemplated by the agreement and plan of merger, dated as of june 22, 2006, among anadarko petroleum corporation, apc merger sub, inc. and western gas resources, inc., each option became immediately and fully vested and was cancelled and converted into the right to receive a cash amount equal to the excess of $61.00 over the option exercise price multiplied by the number of shares subject to such option.
f3 the vesting of all options accelerates at the effective time of the merger contemplated by the agreement and plan of merger, dated as of june 22, 2006, among anadarko petroleum corporation, apc merger sub, inc. and western gas resources, inc.


Filed on 2006-08-23 by Aabak Edward A SEC CIK 1228343 Form 4

Accession 0001179110-06-017389.txt Sec File: edgar/data/1228343/0001179110-06-017389-index.htm

2006-08-23 Aabak Edward A (CIK 1228343) through Direct (Evp - Midstream)

Invested in Western Gas Resources Inc sold 21427 shares at $0 remaining shares owned 0

Stock Option Right To Buy Western Gas Resources Inc Wgr exercise date 2006-05-19 exercise price 31.85 has valueitem expiration due date 2011-05-19 underlying security shares 21427 underlying security title Common Stock

f2 on august 23, 2006, at the effective time of the merger contemplated by the agreement and plan of merger, dated as of june 22, 2006, among anadarko petroleum corporation, apc merger sub, inc. and western gas resources, inc., each option became immediately and fully vested and was cancelled and converted into the right to receive a cash amount equal to the excess of $61.00 over the option exercise price multiplied by the number of shares subject to such option.
f3 the vesting of all options accelerates at the effective time of the merger contemplated by the agreement and plan of merger, dated as of june 22, 2006, among anadarko petroleum corporation, apc merger sub, inc. and western gas resources, inc.


Filed on 2006-08-23 by Aabak Edward A SEC CIK 1228343 Form 4

Accession 0001179110-06-017389.txt Sec File: edgar/data/1228343/0001179110-06-017389-index.htm

2006-08-23 Aabak Edward A (CIK 1228343) through Direct (Evp - Midstream)

Invested in Western Gas Resources Inc sold 31334 shares at $0 remaining shares owned 0

Stock Option Right To Buy Western Gas Resources Inc Wgr exercise date 2005-09-17 exercise price 28.35 has valueitem expiration due date 2010-09-17 underlying security shares 31334 underlying security title Common Stock

f2 on august 23, 2006, at the effective time of the merger contemplated by the agreement and plan of merger, dated as of june 22, 2006, among anadarko petroleum corporation, apc merger sub, inc. and western gas resources, inc., each option became immediately and fully vested and was cancelled and converted into the right to receive a cash amount equal to the excess of $61.00 over the option exercise price multiplied by the number of shares subject to such option.
f3 the vesting of all options accelerates at the effective time of the merger contemplated by the agreement and plan of merger, dated as of june 22, 2006, among anadarko petroleum corporation, apc merger sub, inc. and western gas resources, inc.


Filed on 2006-08-23 by Aabak Edward A SEC CIK 1228343 Form 4

Accession 0001179110-06-017389.txt Sec File: edgar/data/1228343/0001179110-06-017389-index.htm

2006-08-23 Aabak Edward A (CIK 1228343) through Direct (Evp - Midstream)

Invested in Western Gas Resources Inc sold 18333 shares at $0 remaining shares owned 0

Stock Option Right To Buy Western Gas Resources Inc Wgr exercise date 2004-09-22 exercise price 19.015 has valueitem expiration due date 2009-09-22 underlying security shares 18333 underlying security title Common Stock

f2 on august 23, 2006, at the effective time of the merger contemplated by the agreement and plan of merger, dated as of june 22, 2006, among anadarko petroleum corporation, apc merger sub, inc. and western gas resources, inc., each option became immediately and fully vested and was cancelled and converted into the right to receive a cash amount equal to the excess of $61.00 over the option exercise price multiplied by the number of shares subject to such option.
f3 the vesting of all options accelerates at the effective time of the merger contemplated by the agreement and plan of merger, dated as of june 22, 2006, among anadarko petroleum corporation, apc merger sub, inc. and western gas resources, inc.


Filed on 2006-08-23 by Aabak Edward A SEC CIK 1228343 Form 4

Accession 0001179110-06-017389.txt Sec File: edgar/data/1228343/0001179110-06-017389-index.htm

2006-08-23 Aabak Edward A (CIK 1228343) through Direct (Evp - Midstream)

Invested in Western Gas Resources Inc sold 12000 shares at $0 remaining shares owned 0

Stock Option Right To Buy Western Gas Resources Inc Wgr exercise date 2002-06-25 exercise price 18.17 has valueitem expiration due date 2007-06-25 underlying security shares 12000 underlying security title Common Stock

f2 on august 23, 2006, at the effective time of the merger contemplated by the agreement and plan of merger, dated as of june 22, 2006, among anadarko petroleum corporation, apc merger sub, inc. and western gas resources, inc., each option became immediately and fully vested and was cancelled and converted into the right to receive a cash amount equal to the excess of $61.00 over the option exercise price multiplied by the number of shares subject to such option.
f3 the vesting of all options accelerates at the effective time of the merger contemplated by the agreement and plan of merger, dated as of june 22, 2006, among anadarko petroleum corporation, apc merger sub, inc. and western gas resources, inc.


Filed on 2006-07-10 by Aabak Edward A SEC CIK 1228343 Form 4

Accession 0001179110-06-014929.txt Sec File: edgar/data/1228343/0001179110-06-014929-index.htm

2006-07-06 Aabak Edward A (CIK 1228343) through Direct (Evp - Midstream)

Invested in Western Gas Resources Inc sold 10713 shares at $60.00 remaining shares owned 12298

Common Stock Western Gas Resources Inc Wgr Transaction code: S Open market or private sale of securities

f1 shares sold pursuant to an irrevocable rule 10b5-1 trading plan.
f2 comprised of 12,298 shares of western gas resources, inc. stock, which are subject to vesting restrictions.


Filed on 2006-07-10 by Aabak Edward A SEC CIK 1228343 Form 4

Accession 0001179110-06-014929.txt Sec File: edgar/data/1228343/0001179110-06-014929-index.htm

2006-07-06 Aabak Edward A (CIK 1228343) through Direct (Evp - Midstream)

Invested in Western Gas Resources Inc sold 10713 shares at $0 remaining shares owned 21427

Stock Option Right To Buy Western Gas Resources Inc Wgr exercise date 2006-05-19 exercise price 31.85 has valueitem expiration due date 2011-05-19 underlying security shares 10713 underlying security title Common Stock

f3 on may 19, 2005, reporting person was granted options to purchase 32,140 shares of western gas resources, inc. common stock. options vest in 1/3 annual increments commencing on the first anniversary of the grant date and expire on the earlier of 5 years from vesting or 7 years from grant date.


Filed on 2006-07-10 by Aabak Edward A SEC CIK 1228343 Form 4

Accession 0001179110-06-014929.txt Sec File: edgar/data/1228343/0001179110-06-014929-index.htm

2006-07-06 Aabak Edward A (CIK 1228343) through Direct (Evp - Midstream)

Invested in Western Gas Resources Inc bought 10713 shares at $31.85 remaining shares owned 23011

Common Stock Western Gas Resources Inc Wgr Transaction code: M Exercise or conversion of derivative security


Filed on 2006-05-09 by Aabak Edward A SEC CIK 1228343 Form 4

Accession 0001179110-06-010333.txt Sec File: edgar/data/1228343/0001179110-06-010333-index.htm

2006-05-05 Aabak Edward A (CIK 1228343) through Direct (Evp - Midstream)

Invested in Western Gas Resources Inc sold 15666 shares at $55.00 remaining shares owned 12298

Common Stock Western Gas Resources Inc Wgr Transaction code: S Open market or private sale of securities

f1 shares sold pursuant to an irrevocable rule 10b5-1 trading plan.
f2 comprised of 12,298 shares of western gas resources, inc. stock, which are subject to vesting restrictions.


Filed on 2006-05-09 by Aabak Edward A SEC CIK 1228343 Form 4

Accession 0001179110-06-010333.txt Sec File: edgar/data/1228343/0001179110-06-010333-index.htm

2006-05-05 Aabak Edward A (CIK 1228343) through Direct (Evp - Midstream)

Invested in Western Gas Resources Inc sold 15666 shares at $0 remaining shares owned 31334

Stock Option Right To Buy Western Gas Resources Inc Wgr exercise date 2005-09-17 exercise price 28.35 has valueitem expiration due date 2010-09-17 underlying security shares 15666 underlying security title Common Stock

f3 on september 17, 2004, reporting person was granted options to purchase 47,000 shares of western gas resources, inc. common stock. options vest in 1/3 annual increments commencing on the first anniversary of the grant date and expire on the earlier of 5 years from vesting or 10 years from grant date.


Filed on 2006-05-09 by Aabak Edward A SEC CIK 1228343 Form 4

Accession 0001179110-06-010333.txt Sec File: edgar/data/1228343/0001179110-06-010333-index.htm

2006-05-05 Aabak Edward A (CIK 1228343) through Direct (Evp - Midstream)

Invested in Western Gas Resources Inc bought 15666 shares at $28.35 remaining shares owned 27964

Common Stock Western Gas Resources Inc Wgr Transaction code: M Exercise or conversion of derivative security


Filed on 2006-04-21 by Aabak Edward A SEC CIK 1228343 Form 4

Accession 0001179110-06-008845.txt Sec File: edgar/data/1228343/0001179110-06-008845-index.htm

2006-04-19 Aabak Edward A (CIK 1228343) through Direct (Evp - Midstream)

Invested in Western Gas Resources Inc sold 14001 shares at $52.50 remaining shares owned 12298

Common Stock Western Gas Resources Inc Wgr Transaction code: S Open market or private sale of securities

f1 shares sold pursuant to an irrevocable rule 10b5-1 trading plan.
f2 comprised of 12,298 shares of western gas resources, inc. stock, which are subject to vesting restrictions.


Filed on 2006-04-21 by Aabak Edward A SEC CIK 1228343 Form 4

Accession 0001179110-06-008845.txt Sec File: edgar/data/1228343/0001179110-06-008845-index.htm

2006-04-19 Aabak Edward A (CIK 1228343) through Direct (Evp - Midstream)

Invested in Western Gas Resources Inc sold 14001 shares at $0 remaining shares owned 0

Stock Option Right To Buy Western Gas Resources Inc Wgr exercise date 2003-10-23 exercise price 16.475 has valueitem expiration due date 2008-10-23 underlying security shares 14001 underlying security title Common Stock

f3 on october 23, 2002, reporting person was granted options to purchase 42,000 shares of western gas resources, inc. common stock. options vest in 1/3 annual increments commencing on the first anniversary of the grant date and expire on the earlier of 5 years from vesting or 10 years from grant date.


Filed on 2006-04-21 by Aabak Edward A SEC CIK 1228343 Form 4

Accession 0001179110-06-008845.txt Sec File: edgar/data/1228343/0001179110-06-008845-index.htm

2006-04-19 Aabak Edward A (CIK 1228343) through Direct (Evp - Midstream)

Invested in Western Gas Resources Inc bought 14001 shares at $16.475 remaining shares owned 26299

Common Stock Western Gas Resources Inc Wgr Transaction code: M Exercise or conversion of derivative security


Filed on 2006-02-28 by Aabak Edward A SEC CIK 1228343 Form 4

Accession 0001179110-06-005059.txt Sec File: edgar/data/1228343/0001179110-06-005059-index.htm

2006-02-24 Aabak Edward A (CIK 1228343) through Direct (Evp - Midstream)

Invested in Western Gas Resources Inc bought 22263 shares at $0 remaining shares owned 22263

Stock Option Right To Buy Western Gas Resources Inc Wgr exercise date 2007-02-24 exercise price 43.43 has valueitem expiration due date 2011-02-24 underlying security shares 22263 underlying security title Common Stock

f2 on february 24, 2006, reporting person granted options to acquire 22,263 shares of common stock of western gas resources, inc. options vest in 1/3 increments commencing on the first anniversary of the grant date and expire on the earlier of 5 years from the date of vesting or 7 years from the date of grant.


Filed on 2006-02-28 by Aabak Edward A SEC CIK 1228343 Form 4

Accession 0001179110-06-005059.txt Sec File: edgar/data/1228343/0001179110-06-005059-index.htm

2006-02-24 Aabak Edward A (CIK 1228343) through Direct (Evp - Midstream)

Invested in Western Gas Resources Inc bought 4898 shares at $0 remaining shares owned 4898

Common Stock Western Gas Resources Inc Wgr Transaction code: A Grant, award, or other acquisition

f1 on february 24, 2006, reporting person granted 4,898 shares of common stock of western gas resources, inc. pursuant to vesting restrictions under its 2005 stock incentive plan ("restricted stock"). restricted stock vests in 1/3 increments commencing on the first anniversary of the grant date.


Filed on 2005-09-26 by Aabak Edward A SEC CIK 1228343 Form 4

Accession 0001179110-05-018601.txt Sec File: edgar/data/1228343/0001179110-05-018601-index.htm

2005-09-23 Aabak Edward A (CIK 1228343) through Direct (Evp - Midstream)

Invested in Western Gas Resources Inc sold 233 shares at $51.50 remaining shares owned 25500

Common Stock Western Gas Resources Inc Wgr Transaction code: S Open market or private sale of securities

f2 shares sold pursuant to an irrevocable rule 10b5-1 trading plan.


Filed on 2005-09-26 by Aabak Edward A SEC CIK 1228343 Form 4

Accession 0001179110-05-018601.txt Sec File: edgar/data/1228343/0001179110-05-018601-index.htm

2005-09-23 Aabak Edward A (CIK 1228343) through Direct (Evp - Midstream)

Invested in Western Gas Resources Inc sold 18333 shares at $0 remaining shares owned 18334

Stock Option Right To Buy Western Gas Resources Inc Wgr exercise date 2003-09-22 exercise price 19.015 has valueitem expiration due date 2011-09-22 underlying security shares 18333 underlying security title Common Stock

f1 on september 22, 2003, reporting person was granted options to purchase 55,000 shares of western gas resources, inc. common stock. options vest in 1/3 annual increments commencing on the first anniversary of the grant date and expire on the earlier of seven years from vesting or on september 22, 2011.


Filed on 2005-09-26 by Aabak Edward A SEC CIK 1228343 Form 4

Accession 0001179110-05-018601.txt Sec File: edgar/data/1228343/0001179110-05-018601-index.htm

2005-09-23 Aabak Edward A (CIK 1228343) through Direct (Evp - Midstream)

Invested in Western Gas Resources Inc sold 18100 shares at $51.35 remaining shares owned 7400

Common Stock Western Gas Resources Inc Wgr Transaction code: S Open market or private sale of securities

f2 shares sold pursuant to an irrevocable rule 10b5-1 trading plan.
f3 includes 7,400 shares of restricted stock which vest in annual one-third increments commencing on may 19, 2006.


Filed on 2005-09-26 by Aabak Edward A SEC CIK 1228343 Form 4

Accession 0001179110-05-018601.txt Sec File: edgar/data/1228343/0001179110-05-018601-index.htm

2005-09-23 Aabak Edward A (CIK 1228343) through Direct (Evp - Midstream)

Invested in Western Gas Resources Inc bought 18333 shares at $19.015 remaining shares owned 25733

Common Stock Western Gas Resources Inc Wgr Transaction code: M Exercise or conversion of derivative security


Filed on 2005-09-06 by Aabak Edward A SEC CIK 1228343 Form 4

Accession 0001179110-05-017514.txt Sec File: edgar/data/1228343/0001179110-05-017514-index.htm

2005-09-02 Aabak Edward A (CIK 1228343) through Direct (Evp - Midstream)

Invested in Western Gas Resources Inc sold 1500 shares at $47.08 remaining shares owned 10500

Common Stock Western Gas Resources Inc Wgr Transaction code: S Open market or private sale of securities


Filed on 2005-09-06 by Aabak Edward A SEC CIK 1228343 Form 4

Accession 0001179110-05-017514.txt Sec File: edgar/data/1228343/0001179110-05-017514-index.htm

2005-09-02 Aabak Edward A (CIK 1228343) through Direct (Evp - Midstream)

Invested in Western Gas Resources Inc bought 12000 shares at $0 remaining shares owned 12000

Stock Option Right To Buy Western Gas Resources Inc Wgr exercise date 2002-06-25 exercise price 18.17 has valueitem expiration due date 2009-05-21 underlying security shares 12000 underlying security title Common Stock

f1 on june 25, 2001, reporting person was granted options to purchase 60,000 shares of western gas resources, inc. common stock. options vest in 20% annual increments commencing on the first anniversary of the grant date and expire on the earlier of five years from vesting or on may 21, 2009.


Filed on 2005-09-06 by Aabak Edward A SEC CIK 1228343 Form 4

Accession 0001179110-05-017514.txt Sec File: edgar/data/1228343/0001179110-05-017514-index.htm

2005-09-02 Aabak Edward A (CIK 1228343) through Direct (Evp - Midstream)

Invested in Western Gas Resources Inc sold 9600 shares at $46.90 remaining shares owned 0

Common Stock Western Gas Resources Inc Wgr Transaction code: S Open market or private sale of securities


Filed on 2005-09-06 by Aabak Edward A SEC CIK 1228343 Form 4

Accession 0001179110-05-017514.txt Sec File: edgar/data/1228343/0001179110-05-017514-index.htm

2005-09-02 Aabak Edward A (CIK 1228343) through Direct (Evp - Midstream)

Invested in Western Gas Resources Inc sold 900 shares at $47.03 remaining shares owned 9600

Common Stock Western Gas Resources Inc Wgr Transaction code: S Open market or private sale of securities


Filed on 2005-09-06 by Aabak Edward A SEC CIK 1228343 Form 4

Accession 0001179110-05-017514.txt Sec File: edgar/data/1228343/0001179110-05-017514-index.htm

2005-09-02 Aabak Edward A (CIK 1228343) through Direct (Evp - Midstream)

Invested in Western Gas Resources Inc bought 12000 shares at $18.17 remaining shares owned 12000

Common Stock Western Gas Resources Inc Wgr Transaction code: M Exercise or conversion of derivative security


Filed on 2005-05-23 by Aabak Edward A SEC CIK 1228343 Form 4

Accession 0001179110-05-010723.txt Sec File: edgar/data/1228343/0001179110-05-010723-index.htm

2005-05-19 Aabak Edward A (CIK 1228343) through Direct (Evp - Midstream)

Invested in Western Gas Resources Inc bought 32135 shares at $0 remaining shares owned 32135

Stock Option Right To Buy Western Gas Resources Inc Wgr exercise date 2006-05-19 exercise price 31.85 has valueitem expiration due date 2012-05-19 underlying security shares 32135 underlying security title Common Stock

f2 reporting person granted options to acquire 32,135 shares of common stock of western gas resources, inc. options vest in 1/3 increments commencing on the first anniversary of the grant date and expire on the earlier of 5 years from the date of vesting or 7 years from the date of grant.


Filed on 2005-05-23 by Aabak Edward A SEC CIK 1228343 Form 4

Accession 0001179110-05-010723.txt Sec File: edgar/data/1228343/0001179110-05-010723-index.htm

2005-05-19 Aabak Edward A (CIK 1228343) through Direct (Evp - Midstream)

Invested in Western Gas Resources Inc bought 7400 shares at $0 remaining shares owned 7400

Common Stock Western Gas Resources Inc Wgr Transaction code: A Grant, award, or other acquisition

f1 reporting person granted 7,400 shares of common stock of western gas resources, inc. pursuant to vesting restrictions under its 2005 stock incentive plan ("restricted stock"). restricted stock vests in 1/3 increments commencing on the first anniversary of the grant date.


Filed on 2005-02-07 by Aabak Edward A SEC CIK 1228343 Form 4

Accession 0001179110-05-002561.txt Sec File: edgar/data/1228343/0001179110-05-002561-index.htm

2005-02-03 Aabak Edward A (CIK 1228343) through Direct (Evp - Midstream)

Invested in Western Gas Resources Inc bought 4139 shares at $16.475 remaining shares owned 4139

Common Stock Western Gas Resources Inc Wgr Transaction code: M Exercise or conversion of derivative security


Filed on 2005-02-07 by Aabak Edward A SEC CIK 1228343 Form 4

Accession 0001179110-05-002561.txt Sec File: edgar/data/1228343/0001179110-05-002561-index.htm

2005-02-03 Aabak Edward A (CIK 1228343) through Direct (Evp - Midstream)

Invested in Western Gas Resources Inc sold 18333 shares at $0 remaining shares owned 36667

Stock Option Right To Buy Western Gas Resources Inc Wgr exercise date 2004-09-22 exercise price 19.015 has valueitem expiration due date 2009-09-22 underlying security shares 18333 underlying security title Common Stock

f2 on september 22, 2003, reporting person was granted options to acquire 55,000 shares of common stock of western gas resources, inc. options vest in one-third annual increments commencing on the anniversary of the grant date and expire on the earlier of five years from vesting or ten years from the grant date. the amount and exercise price of the options have been adjusted to reflect the two-for-one stock split completed by issuer on june 18, 2004.


Filed on 2005-02-07 by Aabak Edward A SEC CIK 1228343 Form 4

Accession 0001179110-05-002561.txt Sec File: edgar/data/1228343/0001179110-05-002561-index.htm

2005-02-03 Aabak Edward A (CIK 1228343) through Direct (Evp - Midstream)

Invested in Western Gas Resources Inc sold 4139 shares at $0 remaining shares owned 14001

Stock Option Right To Buy Western Gas Resources Inc Wgr exercise date 2002-10-23 exercise price 16.475 has valueitem expiration due date 2008-10-23 underlying security shares 4139 underlying security title Common Stock

f1 on ocotber 23, 2002, reporting person was granted options to acquire 42,000 shares of common stock of western gas resources, inc. options vest in one-third annual increments commencing on the anniversary of the grant date and expire on the earlier of five years from vesting or ten years from the grant date. the amount and exercise price of the options have been adjusted to reflect the two-for-one stock split completed by issuer on june 18, 2004.


Filed on 2005-02-07 by Aabak Edward A SEC CIK 1228343 Form 4

Accession 0001179110-05-002561.txt Sec File: edgar/data/1228343/0001179110-05-002561-index.htm

2005-02-03 Aabak Edward A (CIK 1228343) through Direct (Evp - Midstream)

Invested in Western Gas Resources Inc sold 18333 shares at $32 remaining shares owned 0

Common Stock Western Gas Resources Inc Wgr Transaction code: S Open market or private sale of securities

f3 shares sold pursuant to a rule 10b5-1 sales plan held by the reporting person.


Filed on 2005-02-07 by Aabak Edward A SEC CIK 1228343 Form 4

Accession 0001179110-05-002561.txt Sec File: edgar/data/1228343/0001179110-05-002561-index.htm

2005-02-03 Aabak Edward A (CIK 1228343) through Direct (Evp - Midstream)

Invested in Western Gas Resources Inc bought 18333 shares at $19.015 remaining shares owned 18333

Common Stock Western Gas Resources Inc Wgr Transaction code: M Exercise or conversion of derivative security


Filed on 2005-02-07 by Aabak Edward A SEC CIK 1228343 Form 4

Accession 0001179110-05-002561.txt Sec File: edgar/data/1228343/0001179110-05-002561-index.htm

2005-02-03 Aabak Edward A (CIK 1228343) through Direct (Evp - Midstream)

Invested in Western Gas Resources Inc sold 4139 shares at $32 remaining shares owned 0

Common Stock Western Gas Resources Inc Wgr Transaction code: S Open market or private sale of securities

f3 shares sold pursuant to a rule 10b5-1 sales plan held by the reporting person.


Filed on 2004-11-29 by Aabak Edward A SEC CIK 1228343 Form 4

Accession 0001179110-04-022140.txt Sec File: edgar/data/1228343/0001179110-04-022140-index.htm

2004-11-29 Aabak Edward A (CIK 1228343) through Direct (Evp - Midstream)

Invested in Western Gas Resources Inc sold 10000 shares at $30.56 remaining shares owned 0

Common Stock Western Gas Resources Inc Wgr Transaction code: S Open market or private sale of securities

f2 shares sold pursuant to a rule 10b5-1 sales plan held by the reporting person.


Filed on 2004-11-29 by Aabak Edward A SEC CIK 1228343 Form 4

Accession 0001179110-04-022140.txt Sec File: edgar/data/1228343/0001179110-04-022140-index.htm

2004-11-29 Aabak Edward A (CIK 1228343) through Direct (Evp - Midstream)

Invested in Western Gas Resources Inc sold 10000 shares at $0 remaining shares owned 18140

Stock Option Right To Buy Western Gas Resources Inc Wgr exercise date 2003-10-23 exercise price 16.465 has valueitem expiration due date 2008-10-23 underlying security shares 10000 underlying security title Common Stock

f1 on october 23, 2002, reporting person was granted options to acquire 42,000 shares of common stock of western gas resources, inc. options vest in one-third annual increments commencing on the anniversary of the grant date and expire on the earlier of five years from vesting or ten years from the grant date. the amount and exercise price of the options have been adjusted to reflect the two-for-one stock split completed by the issuer on june 18, 2004.


Filed on 2004-11-29 by Aabak Edward A SEC CIK 1228343 Form 4

Accession 0001179110-04-022140.txt Sec File: edgar/data/1228343/0001179110-04-022140-index.htm

2004-11-29 Aabak Edward A (CIK 1228343) through Direct (Evp - Midstream)

Invested in Western Gas Resources Inc bought 10000 shares at $16.475 remaining shares owned 10000

Common Stock Western Gas Resources Inc Wgr Transaction code: M Exercise or conversion of derivative security


Filed on 2004-10-06 by Aabak Edward A SEC CIK 1228343 Form 4

Accession 0001179110-04-019492.txt Sec File: edgar/data/1228343/0001179110-04-019492-index.htm

2004-10-06 Aabak Edward A (CIK 1228343) through Direct (Evp - Midstream)

Invested in Western Gas Resources Inc bought 12000 shares at $18.17 remaining shares owned 12000

Common Stock Western Gas Resources Inc Wgr Transaction code: M Exercise or conversion of derivative security

f2 transaction completed in accordance with the terms of a pre-existing irrevocable rule 10b5-1 trading plan.


Filed on 2004-10-06 by Aabak Edward A SEC CIK 1228343 Form 4

Accession 0001179110-04-019492.txt Sec File: edgar/data/1228343/0001179110-04-019492-index.htm

2004-10-06 Aabak Edward A (CIK 1228343) through Direct (Evp - Midstream)

Invested in Western Gas Resources Inc sold 12000 shares at $0 remaining shares owned 24000

Stock Options Right To Buy Western Gas Resources Inc Wgr exercise date 2002-06-25 exercise price 18.17 has valueitem expiration due date 2007-06-25 underlying security shares 12000 underlying security title Common Stock

f2 transaction completed in accordance with the terms of a pre-existing irrevocable rule 10b5-1 trading plan.
f1 reporting person granted options to purchase 60,000 shares (as adjusted for the may 2004 2:1 stock split) of western gas resources, inc. common stock on june 25, 2001. options exercisable in 20% annual increments commencing on the anniversary of the grant date and expire on the earlier of five years from vesting or ten years from grant.


Filed on 2004-10-06 by Aabak Edward A SEC CIK 1228343 Form 4

Accession 0001179110-04-019492.txt Sec File: edgar/data/1228343/0001179110-04-019492-index.htm

2004-10-06 Aabak Edward A (CIK 1228343) through Direct (Evp - Midstream)

Invested in Western Gas Resources Inc sold 12000 shares at $31 remaining shares owned 0

Common Stock Western Gas Resources Inc Wgr Transaction code: S Open market or private sale of securities

f2 transaction completed in accordance with the terms of a pre-existing irrevocable rule 10b5-1 trading plan.


Filed on 2004-09-20 by Aabak Edward A SEC CIK 1228343 Form 4

Accession 0001179110-04-018383.txt Sec File: edgar/data/1228343/0001179110-04-018383-index.htm

2004-09-17 Aabak Edward A (CIK 1228343) through Direct (Evp - Midstream)

Invested in Western Gas Resources Inc bought 47000 shares at $0 remaining shares owned 47000

Stock Option Right To Buy Western Gas Resources Inc Wgr exercise date 2005-09-17 exercise price 28.35 has valueitem expiration due date 2010-09-17 underlying security shares 47000 underlying security title Common Stock

f1 options are exercisable in 1/3 annual increments, commencing on the first anniversary of the grant date and terminate on the earlier of (i) five (5) years from the vesting date, or (ii) ten (10) years after the grant date.


Filed on 2004-03-29 by Aabak Edward A SEC CIK 1228343 Form 4/a

Accession 0001179110-04-006874.txt Sec File: edgar/data/1228343/0001179110-04-006874-index.htm

2004-03-25 Aabak Edward A (CIK 1228343) through Direct (Evp - Midstream)

Invested in Western Gas Resources Inc sold 6930 shares at $0 remaining shares owned 14070

Stock Option Right To Buy Western Gas Resources Inc Wgr exercise date 2003-10-23 exercise price 32.95 has valueitem expiration due date 2008-10-23 underlying security shares 6930 underlying security title Common Stock


Filed on 2004-03-29 by Aabak Edward A SEC CIK 1228343 Form 4/a

Accession 0001179110-04-006874.txt Sec File: edgar/data/1228343/0001179110-04-006874-index.htm

2004-03-25 Aabak Edward A (CIK 1228343) through Direct (Evp - Midstream)

Invested in Western Gas Resources Inc sold 12000 shares at $0 remaining shares owned 18000

Stock Option Right To Buy Western Gas Resources Inc Wgr exercise date 2002-06-25 exercise price 36.34 has valueitem expiration due date 2007-06-25 underlying security shares 12000 underlying security title Common Stock

f1 amended form 4/a filed to correct date on which transaction occurred and price of sale of common stock.


Filed on 2004-03-29 by Aabak Edward A SEC CIK 1228343 Form 4/a

Accession 0001179110-04-006874.txt Sec File: edgar/data/1228343/0001179110-04-006874-index.htm

2004-03-25 Aabak Edward A (CIK 1228343) through Direct (Evp - Midstream)

Invested in Western Gas Resources Inc sold 5000 shares at $48.74 remaining shares owned 0

Common Stock Western Gas Resources Inc Wgr Transaction code: S Open market or private sale of securities


Filed on 2004-03-29 by Aabak Edward A SEC CIK 1228343 Form 4/a

Accession 0001179110-04-006874.txt Sec File: edgar/data/1228343/0001179110-04-006874-index.htm

2004-03-25 Aabak Edward A (CIK 1228343) through Direct (Evp - Midstream)

Invested in Western Gas Resources Inc sold 5000 shares at $48.80 remaining shares owned 5000

Common Stock Western Gas Resources Inc Wgr Transaction code: S Open market or private sale of securities


Filed on 2004-03-29 by Aabak Edward A SEC CIK 1228343 Form 4/a

Accession 0001179110-04-006874.txt Sec File: edgar/data/1228343/0001179110-04-006874-index.htm

2004-03-25 Aabak Edward A (CIK 1228343) through Direct (Evp - Midstream)

Invested in Western Gas Resources Inc sold 3930 shares at $49.05 remaining shares owned 10000

Common Stock Western Gas Resources Inc Wgr Transaction code: S Open market or private sale of securities


Filed on 2004-03-29 by Aabak Edward A SEC CIK 1228343 Form 4/a

Accession 0001179110-04-006874.txt Sec File: edgar/data/1228343/0001179110-04-006874-index.htm

2004-03-25 Aabak Edward A (CIK 1228343) through Direct (Evp - Midstream)

Invested in Western Gas Resources Inc sold 5000 shares at $48.91 remaining shares owned 13930

Common Stock Western Gas Resources Inc Wgr Transaction code: S Open market or private sale of securities


Filed on 2004-03-29 by Aabak Edward A SEC CIK 1228343 Form 4/a

Accession 0001179110-04-006874.txt Sec File: edgar/data/1228343/0001179110-04-006874-index.htm

2004-03-25 Aabak Edward A (CIK 1228343) through Direct (Evp - Midstream)

Invested in Western Gas Resources Inc bought 6930 shares at $32.95 remaining shares owned 18930

Common Stock Western Gas Resources Inc Wgr Transaction code: M Exercise or conversion of derivative security


Filed on 2004-03-29 by Aabak Edward A SEC CIK 1228343 Form 4/a

Accession 0001179110-04-006874.txt Sec File: edgar/data/1228343/0001179110-04-006874-index.htm

2004-03-25 Aabak Edward A (CIK 1228343) through Direct (Evp - Midstream)

Invested in Western Gas Resources Inc bought 12000 shares at $36.34 remaining shares owned 12000

Common Stock Western Gas Resources Inc Wgr Transaction code: M Exercise or conversion of derivative security

f1 amended form 4/a filed to correct date on which transaction occurred and price of sale of common stock.


Filed on 2004-03-23 by Aabak Edward A SEC CIK 1228343 Form 4

Accession 0001179110-04-006501.txt Sec File: edgar/data/1228343/0001179110-04-006501-index.htm

2004-03-22 Aabak Edward A (CIK 1228343) through Direct (Evp - Midstream)

Invested in Western Gas Resources Inc sold 6930 shares at $0 remaining shares owned 14070

Stock Option Right To Buy Western Gas Resources Inc Wgr exercise date 2003-10-23 exercise price 32.95 has valueitem expiration due date 2008-10-23 underlying security shares 6930 underlying security title Common Stock

f2 options vest in one third annual increments commencing on october 23, 2003 and expire on the earlier of five years from their vesting date or ten years from the grant date.


Filed on 2004-03-23 by Aabak Edward A SEC CIK 1228343 Form 4

Accession 0001179110-04-006501.txt Sec File: edgar/data/1228343/0001179110-04-006501-index.htm

2004-03-22 Aabak Edward A (CIK 1228343) through Direct (Evp - Midstream)

Invested in Western Gas Resources Inc sold 12000 shares at $0 remaining shares owned 18000

Stock Option Right To Buy Western Gas Resources Inc Wgr exercise date 2002-06-25 exercise price 36.34 has valueitem expiration due date 2007-06-25 underlying security shares 12000 underlying security title Common Stock

f1 options vest in one fifth annual increments commencing on june 25, 2002 and expire on the earlier of five years from their vesting date or ten years from the grant date.


Filed on 2004-03-23 by Aabak Edward A SEC CIK 1228343 Form 4

Accession 0001179110-04-006501.txt Sec File: edgar/data/1228343/0001179110-04-006501-index.htm

2004-03-22 Aabak Edward A (CIK 1228343) through Direct (Evp - Midstream)

Invested in Western Gas Resources Inc sold 18930 shares at $49.38 remaining shares owned 0

Common Stock Western Gas Resources Inc Wgr Transaction code: S Open market or private sale of securities


Filed on 2004-03-23 by Aabak Edward A SEC CIK 1228343 Form 4

Accession 0001179110-04-006501.txt Sec File: edgar/data/1228343/0001179110-04-006501-index.htm

2004-03-22 Aabak Edward A (CIK 1228343) through Direct (Evp - Midstream)

Invested in Western Gas Resources Inc bought 6930 shares at $32.95 remaining shares owned 18930

Common Stock Western Gas Resources Inc Wgr Transaction code: M Exercise or conversion of derivative security


Filed on 2004-03-23 by Aabak Edward A SEC CIK 1228343 Form 4

Accession 0001179110-04-006501.txt Sec File: edgar/data/1228343/0001179110-04-006501-index.htm

2004-03-22 Aabak Edward A (CIK 1228343) through Direct (Evp - Midstream)

Invested in Western Gas Resources Inc bought 12000 shares at $36.34 remaining shares owned 12000

Common Stock Western Gas Resources Inc Wgr Transaction code: M Exercise or conversion of derivative security