| 610671Amendment | Dec 9, 2005 | Dec 9, 2005 | Peoples Energy Prod.-TX, L.P. | Rusk | Prior GU #3 | 11,500 | 40133758 |
| 610570 | Dec 7, 2005 | Dec 7, 2005 | Peoples Energy Prod.-TX, L.P. | Colorado | Lehrer Gas Unit "C" #4 | 13,916 | 08932330 |
| 609539 | Nov 17, 2005 | Nov 17, 2005 | Peoples Energy Prod.-TX, L.P. | Zapata | Vela, Carmen "C" #3 | 12,000 | 50535420 |
| 609389 | Nov 14, 2005 | Nov 14, 2005 | Peoples Energy Prod.-TX, L.P. | Panola | Roberts Oil Unit #2 | 6,700 | 36535774 |
| 609369 | Nov 10, 2005 | Nov 10, 2005 | Peoples Energy Prod.-TX, L.P. | Webb | Clark, N. H. #18 | 9,000 | 47939333 |
| 609091 | Nov 7, 2005 | Nov 7, 2005 | Peoples Energy Prod.-TX, L.P. | Harrison | Justice GU #2 | 11,200 | 20333327 |
| 608827 | Nov 2, 2005 | Nov 2, 2005 | Peoples Energy Prod.-TX, L.P. | Harrison | Barnes GU #1 | 11,200 | 20333324 |
| 608155 | Oct 20, 2005 | Oct 20, 2005 | Peoples Energy Prod.-TX, L.P. | Zapata | Jennings, J.D. #481 | 4,000 | 50535399 |
| 607962 | Oct 17, 2005 | Oct 17, 2005 | Peoples Energy Prod.-TX, L.P. | Zapata | Jennings, J. D. #484 | 5,800 | 50535396 |
| 607960 | Oct 17, 2005 | Oct 17, 2005 | Peoples Energy Prod.-TX, L.P. | Zapata | Jennings, J. D. #483 | 5,800 | 50535394 |
| 607730 | Oct 14, 2005 | Oct 14, 2005 | Peoples Energy Prod.-TX, L.P. | Zapata | Smith, A.H. #8 | 11,000 | 50535389 |
| 607730Amendment | Oct 14, 2005 | Oct 14, 2005 | Peoples Energy Prod.-TX, L.P. | Zapata | Smith, A.H. #8 | 11,000 | 50535389 |
| 606723 | Sep 23, 2005 | Sep 23, 2005 | Peoples Energy Prod.-TX, L.P. | Rusk | Wesson GU #3 | 11,600 | 40133687 |
| 606254 | Sep 14, 2005 | Sep 14, 2005 | Peoples Energy Prod.-TX, L.P. | Nueces | Wilson Unit #1 | 13,190 | 35533208 |
| 604870 | Sep 8, 2005 | Sep 8, 2005 | Peoples Energy Prod.-TX, L.P. | Rusk | J. Wallace Gas Unit #3 | 12,160 | 40133644 |
| 604815 | Aug 12, 2005 | Aug 12, 2005 | Peoples Energy Prod.-TX, L.P. | Zapata | Trevino "B' #4 | 11,300 | 50535346 |
| 604788 | Aug 11, 2005 | Aug 11, 2005 | Peoples Energy Prod.-TX, L.P. | Rusk | Brightwell #1 | 11,300 | 40133642 |
| 604788Amendment | Aug 11, 2005 | Aug 11, 2005 | Peoples Energy Prod.-TX, L.P. | Rusk | Brightwell GU #1 | 11,300 | 40133642 |
| 604451 | Aug 8, 2005 | Aug 8, 2005 | Peoples Energy Prod.-TX, L.P. | San Patricio | Mayo-Owen GU #5 | 11,600 | 40932730 |
| 603392 | Jul 13, 2005 | Jul 13, 2005 | Peoples Energy Prod.-TX, L.P. | Hidalgo | Barrera #2 | 11,300 | 21533362 |
| 603253 | Jul 12, 2005 | Jul 12, 2005 | Peoples Energy Prod.-TX, L.P. | Harrison | Gill GU #1 | 11,150 | 20333233 |
| 601898 | Jun 14, 2005 | Jun 14, 2005 | Peoples Energy Prod.-TX, L.P. | Rusk | Kangerga Devos #2 | 11,800 | 40133589 |
| 601898Amendment | Jun 14, 2005 | Jun 14, 2005 | Peoples Energy Prod.-TX, L.P. | Rusk | Kangerga-Devos #2 | 11,800 | 40133589 |
| 601617 | Jun 9, 2005 | Jun 9, 2005 | Peoples Energy Prod.-TX, L.P. | Harrison | Sturges GU #1 | 11,200 | 20333118 |
| 601725 | Jun 7, 2005 | Jun 7, 2005 | Peoples Energy Prod.-TX, L.P. | Zapata | Carmen Vela "C" #2 | 12,000 | 50535296 |
| 601610 | Jun 6, 2005 | Jun 6, 2005 | Peoples Energy Prod.-TX, L.P. | Panola | Roberts GU #1 | 6,700 | 36535779 |
| 601561 | Jun 3, 2005 | Jun 3, 2005 | Peoples Energy Prod.-TX, L.P. | Orange | Vastar 2A Unit #2 | 11,300 | 36130834 |
| 601368 | May 31, 2005 | May 31, 2005 | Peoples Energy Prod.-TX, L.P. | Panola | Roberts GU #2 | 6,700 | 36535774 |
| 600640 | May 16, 2005 | May 16, 2005 | Peoples Energy Prod.-TX, L.P. | Lavaca | Kuester GU 2, W H #2 | 6,300 | 28533157 |
| 600481 | May 11, 2005 | May 11, 2005 | Peoples Energy Prod.-TX, L.P. | Duval | Welder GU 217 #1 | 11,650 | 13138804 |
| 560825 | Apr 20, 2005 | Apr 20, 2005 | Peoples Energy Prod.-TX, L.P. | Panola | Roberts GU #7 | 6,700 | 36535739 |
| 560765 | Apr 19, 2005 | Apr 19, 2005 | Peoples Energy Prod.-TX, L.P. | Panola | Roberts GU #6 | 6,700 | 36535733 |
| 560422 | Apr 13, 2005 | Apr 13, 2005 | Peoples Energy Prod.-TX, L.P. | Panola | Roberts GU #3 | 6,700 | 36535721 |
| 560422Amendment | Apr 13, 2005 | Apr 13, 2005 | Peoples Energy Prod.-TX, L.P. | Panola | Roberts GU #3 | 6,700 | 36535721 |
| 560421 | Apr 13, 2005 | Apr 13, 2005 | Peoples Energy Prod.-TX, L.P. | Harrison | Sturges GU #2 | 11,200 | 20333158 |
| 560347 | Apr 12, 2005 | Apr 12, 2005 | Peoples Energy Prod.-TX, L.P. | Harrison | Gill GU #2 | 11,150 | 20333156 |
| 560125 | Apr 7, 2005 | Apr 7, 2005 | Peoples Energy Prod.-TX, L.P. | Panola | Roberts GU #4 | 6,700 | 36535715 |
| 560124 | Apr 7, 2005 | Apr 7, 2005 | Peoples Energy Prod.-TX, L.P. | Rusk | Wesson GU #2 | 11,600 | 40133539 |
| 559787 | Mar 31, 2005 | Mar 31, 2005 | Peoples Energy Prod.-TX, L.P. | Zapata | Vela B #7 | 11,000 | 50535249 |
| 559658 | Mar 29, 2005 | Mar 29, 2005 | Peoples Energy Prod.-TX, L.P. | De Witt | Kuester-Ochoa #3 | 5,000 | 12331927 |
| 559509 | Mar 24, 2005 | Mar 24, 2005 | Peoples Energy Prod.-TX, L.P. | Zapata | Guerra "L" #7 | 9,500 | 50535246 |
| 559286 | Mar 21, 2005 | Mar 21, 2005 | Peoples Energy Prod.-TX, L.P. | Panola | Roberts GU #5 | 6,700 | 36535687 |
| 558966 | Mar 14, 2005 | Mar 14, 2005 | Peoples Energy Prod.-TX, L.P. | Harrison | Davidson GU #2 | 11,200 | 20333129 |
| 558167 | Feb 24, 2005 | Feb 24, 2005 | Peoples Energy Prod.-TX, L.P. | Harrison | Sturges GU #1 | 11,200 | 20333118 |
| 558167Amendment | Feb 24, 2005 | Feb 24, 2005 | Peoples Energy Prod.-TX, L.P. | Harrison | Sturges GU #1 | 11,200 | 20333118 |
| 558033 | Feb 22, 2005 | Feb 22, 2005 | Peoples Energy Prod.-TX, L.P. | Starr | Guerra Bros. #15 | 11,000 | 42733814 |
| 557532 | Feb 10, 2005 | Feb 10, 2005 | Peoples Energy Prod.-TX, L.P. | Galveston | Sunny Ernst GU #1 | 14,845 | 16731352 |
| 557100 | Feb 1, 2005 | Feb 1, 2005 | Peoples Energy Prod.-TX, L.P. | Rusk | J.wallace Gas Unit #2 | 12,160 | 40133494 |
| 557100Amendment | Feb 1, 2005 | Feb 1, 2005 | Peoples Energy Prod.-TX, L.P. | Rusk | J.wallace Gas Unit #2 | 12,160 | 40133494 |
| 557040 | Jan 31, 2005 | Jan 31, 2005 | Peoples Energy Prod.-TX, L.P. | Starr | Villareal #19 | 11,900 | 42733812 |
| 556242 | Jan 14, 2005 | Jan 14, 2005 | Peoples Energy Prod.-TX, L.P. | Nueces | Guaranty Title & Trust "A" #4 | 11,975 | 35533613 |
| 556028 | Jan 11, 2005 | Jan 11, 2005 | Peoples Energy Prod.-TX, L.P. | Nueces | Morgan Properties #1 | 12,000 | 35533672 |
| 555575 | Dec 31, 2004 | Dec 31, 2004 | Peoples Energy Prod.-TX, L.P. | Harrison | Mike #1 | 11,150 | 20333084 |
| 555535 | Dec 30, 2004 | Dec 30, 2004 | Peoples Energy Prod.-TX, L.P. | Colorado | Lehrer Gas Unit "C" #4 | 13,916 | 08932330 |
| 555535Amendment | Dec 30, 2004 | Dec 30, 2004 | Peoples Energy Prod.-TX, L.P. | Colorado | Lehrer Gas Unit "C" #4 | 13,916 | 08932330 |
| 555267 | Dec 22, 2004 | Dec 22, 2004 | Peoples Energy Prod.-TX, L.P. | De Witt | Kuester-Ochoa #3 | 5,000 | 12331927 |
| 554835 | Dec 14, 2004 | Dec 14, 2004 | Peoples Energy Prod.-TX, L.P. | Rusk | Prior GU #2 | 11,800 | 40133459 |
| 554642 | Dec 10, 2004 | Dec 10, 2004 | Peoples Energy Prod.-TX, L.P. | Zapata | Guerra "L" #6 | 9,500 | 50535164 |
| 554643 | Dec 9, 2004 | Dec 9, 2004 | Peoples Energy Prod.-TX, L.P. | Nueces | Cody #7 | 8,500 | 35533635 |
| 554531 | Dec 7, 2004 | Dec 7, 2004 | 549033S Energy Prod.-TX, L.P. | Zapata | Smith, A.H. #7 | 11,000 | 50535163 |
| 554529 | Dec 7, 2004 | Dec 7, 2004 | Peoples Energy Prod.-TX, L.P. | Harrison | Gill GU #3 | 11,150 | 20333060 |
| 553230 | Nov 4, 2004 | Nov 4, 2004 | Peoples Energy Prod.-TX, L.P. | Orange | Vastar 1A Unit #2 | 10,750 | 36130797 |
| 552017 | Oct 7, 2004 | Oct 7, 2004 | Peoples Energy Prod.-TX, L.P. | Hardin | Apollo #1 | 11,700 | 19932938 |
| 551288 | Sep 21, 2004 | Sep 21, 2004 | Peoples Energy Prod.-TX, L.P. | Lavaca | Smothers #1 | 11,200 | 28532994 |
| 551179 | Sep 17, 2004 | Sep 17, 2004 | Peoples Energy Prod.-TX, L.P. | Nueces | Morgan Properties #1 | 12,000 | 35533672 |
| 550751 | Sep 9, 2004 | Sep 9, 2004 | Peoples Energy Prod.-TX, L.P. | Starr | Villareal #18 | 11,900 | 42733754 |
| 550465 | Sep 2, 2004 | Sep 2, 2004 | Peoples Energy Prod.-TX, L.P. | San Patricio | Kellogg GU #7 | 13,300 | 40932770 |
| 548743 | Jul 26, 2004 | Jul 26, 2004 | Peoples Energy Prod.-TX, L.P. | Lavaca | Smothers #1 | 11,400 | 28532994 |
| 547216 | Jun 21, 2004 | Jun 21, 2004 | Peoples Energy Prod.-TX, L.P. | Starr | Guerra Bros. #14 | 11,000 | 42733742 |
| 545764 | May 17, 2004 | May 17, 2004 | Peoples Energy Prod.-TX, L.P. | Nueces | B. Gallagher 1 GU #5 | 10,800 | 35533636 |
| 545735 | May 14, 2004 | May 14, 2004 | Peoples Energy Prod.-TX, L.P. | Nueces | Cody #7 | 10,700 | 35533635 |
| 545735Amendment | May 14, 2004 | May 14, 2004 | Peoples Energy Prod.-TX, L.P. | Nueces | Cody #7 | 10,060 | 35533635 |
| 545441 | May 7, 2004 | May 7, 2004 | Peoples Energy Prod.-TX, L.P. | Starr | Garcia "B" #11 | 9,920 | 42733727 |
| 543722 | Mar 26, 2004 | Mar 26, 2004 | Peoples Energy Prod.-TX, L.P. | Nueces | B. Gallagher 1 GU #4 | 10,700 | 35533622 |
| 542921 | Mar 8, 2004 | Mar 8, 2004 | Peoples Energy Prod.-TX, L.P. | Nueces | B. Gallagher 1 GU #2 | 9,250 | 35533483 |
| 542920 | Mar 8, 2004 | Mar 8, 2004 | Peoples Energy Prod.-TX, L.P. | De Witt | Kuester-Ochoa #3 | 12,200 | 12331927 |
| 542920Amendment | Mar 8, 2004 | Mar 8, 2004 | Peoples Energy Prod.-TX, L.P. | De Witt | Kuester-Ochoa #3 | 11,900 | 12331927 |
| 542610 | Feb 27, 2004 | Feb 27, 2004 | Peoples Energy Prod.-TX, L.P. | Lavaca | Smothers #1 | 12,100 | 28532994 |
| 542294 | Feb 20, 2004 | Feb 20, 2004 | Peoples Energy Prod.-TX, L.P. | Nueces | Guaranty Title & Trust "A" #4 | 12,900 | 35533613 |
| 542294Amendment | Feb 20, 2004 | Feb 20, 2004 | Peoples Energy Prod.-TX, L.P. | Nueces | Guaranty Title & Trust "A" #4 | 12,900 | 35533613 |
| 542223 | Feb 18, 2004 | Feb 18, 2004 | Peoples Energy Prod.-TX, L.P. | San Patricio | Mayo Koonce GU #2 | 10,750 | 40931342 |
| 541207 | Jan 26, 2004 | Jan 26, 2004 | Peoples Energy Prod.-TX, L.P. | Starr | Guerra Bros. #13 | 10,800 | 42733703 |
| 540898 | Jan 16, 2004 | Jan 16, 2004 | Peoples Energy Prod.-TX, L.P. | Rusk | Prior GU #1 | 11,800 | 40133311 |
| 540812 | Jan 15, 2004 | Jan 15, 2004 | Peoples Energy Prod.-TX, L.P. | Starr | Villarreal #17 | 11,100 | 42733700 |
| 540811 | Jan 15, 2004 | Jan 15, 2004 | Peoples Energy Prod.-TX, L.P. | Rusk | Kangerga #1 | 11,800 | 40133310 |
| 540810 | Jan 15, 2004 | Jan 15, 2004 | Peoples Energy Prod.-TX, L.P. | Colorado | Lehrer "C" #1D | 5,700 | 08932358 |
| 540809 | Jan 15, 2004 | Jan 15, 2004 | Peoples Energy Prod.-TX, L.P. | Duval | Exxon State #4 | 10,050 | 13138680 |
| 539531 | Dec 10, 2003 | Dec 10, 2003 | Peoples Energy Prod.-TX, L.P. | Hardin | Gemini Unit #1 | 11,600 | 19932901 |
| 539493 | Dec 9, 2003 | Dec 9, 2003 | Peoples Energy Prod.-TX, L.P. | Starr | Ferguson, D #5 | 11,500 | 42733689 |
| 539493Amendment | Dec 9, 2003 | Dec 9, 2003 | Peoples Energy Prod.-TX, L.P. | Starr | Dresar, Van #1 | 11,500 | 42733689 |
| 539055 | Nov 25, 2003 | Nov 25, 2003 | Peoples Energy Prod.-TX, L.P. | San Patricio | Mayo Owen GU #5 | 11,600 | 40932730 |
| 539045 | Nov 25, 2003 | Nov 25, 2003 | Peoples Energy Prod.-TX, L.P. | Starr | Villarreal #16 | 10,600 | 42733683 |
| 539045Amendment | Nov 25, 2003 | Nov 25, 2003 | Peoples Energy Prod.-TX, L.P. | Starr | Villarreal #16 | 11,300 | 42733683 |
| 537971 | Oct 28, 2003 | Oct 28, 2003 | Peoples Energy Prod.-TX, L.P. | Starr | Villarreal #15 | 11,000 | 42733671 |
| 537985 | Oct 26, 2003 | Oct 26, 2003 | Peoples Energy Prod.-TX, L.P. | Duval | Welder Heirs 215 #3 | 16,000 | 13138661 |
| 537985Amendment | Oct 26, 2003 | Oct 26, 2003 | Peoples Energy Prod.-TX, L.P. | Duval | Welder Heirs 215 #3 | 16,000 | 13138661 |
| 537764 | Oct 21, 2003 | Oct 21, 2003 | Peoples Energy Prod.-TX, L.P. | Colorado | Lehrer Gas Unit "A" #1 | 13,200 | 08931761 |
| 537764Amendment | Oct 21, 2003 | Oct 21, 2003 | Peoples Energy Prod.-TX, L.P. | Colorado | Lehrer Gas Unit "A" #1 | 13,200 | 08931761 |
| 537320 | Oct 8, 2003 | Oct 8, 2003 | Peoples Energy Prod.-TX, L.P. | Starr | Guerra Bros. #12 | 10,500 | 42733667 |
| 537285 | Oct 8, 2003 | Oct 8, 2003 | Peoples Energy Prod.-TX, L.P. | Duval | Exxon State #3 | 10,000 | 13138653 |