Stock Trading History of Clayton Williams Energy Inc /de

The following table details the trading activities (stock purchases, stock sales, and stock option exercises) reported to the Securities and Exchange Commission (SEC) by insider Clayton Williams Energy Inc /de since year 2005. The trader's CIK number is 880115. At the time of this reporting, Clayton Williams Energy Inc /de is the 10% Owner of Southwest Royalties Institutional Income Fund Vii- . (stock ticker symbol N/A). See this page for all insider trading activities at Southwest Royalties Institutional Income Fund Vii- .
Note that in the past CLAYTON WILLIAMS ENERGY INC /DE also reported insider trading activities as an insider of the following companies:

Stock purchases, sales, and option exercises reported by insider *Clayton Williams Energy Inc /de* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2008-06-19	N/A	Southwest Royalties Institutional Income Fund Vii-	Purchase	179	421.54	75,455
2008-06-19	N/A	Southwest Royalties Institutional Income Fund X-c	Purchase	204	114.56	23,370
2008-06-19	N/A	Southwest Royalties Inc Income Fund V	Purchase	217	363.09	78,790
2008-06-19	N/A	Southwest Royalties Inc Income Fund Vi	Purchase	245	594.12	145,559
2008-06-19	N/A	Gas Income Fund Vii A L P	Purchase	129	289.25	37,313
2008-06-19	N/A	Gas Income Fund Viii-a L P	Purchase	221	826.93	182,751
2008-06-19	N/A	Southwest Royalties Institutional Income Fund Viii	Purchase	178	1,088.80	193,806
2008-06-19	N/A	Gas Income Fund Ix-a Lp	Purchase	50	82.81	4,140
2008-06-19	N/A	Southwest Royalties Institutional Income Fund X-b	Purchase	63	200.78	12,649
2008-06-19	N/A	Southwest Royalties Institutional Income Fund Ix-b	Purchase	8	78.80	630
2008-06-19	N/A	Gas Income Fund X-a Lp	Purchase	20	34.33	686
2008-06-19	N/A	Gas Income Fund X-b Lp	Purchase	70	115.49	8,084
2008-02-25	N/A	Southwest Royalties Institutional Income Fund Ix-b	Purchase	4	83.70	334
2008-02-25	N/A	Gas Income Fund X-a Lp	Purchase	10	21.45	214
2008-02-25	N/A	Gas Income Fund X-b Lp	Purchase	20	94.86	1,897
2008-02-25	N/A	Southwest Royalties Institutional Income Fund X-c	Purchase	17	48.83	830
2008-02-25	N/A	Gas Income Fund Ix-a Lp	Purchase	6	84.96	509
2007-12-19	N/A	Gas Income Fund Vii A L P	Purchase	6	138.98	833
2007-12-19	N/A	Southwest Royalties Institutional Income Fund Vii-	Purchase	10	233.81	2,338
2007-12-19	N/A	Southwest Royalties Institutional Income Fund Viii	Purchase	99	461.81	45,719
2007-12-19	N/A	Gas Income Fund Ix-a Lp	Purchase	10	84.96	849
2007-12-19	N/A	Southwest Royalties Institutional Income Fund Ix-b	Purchase	38	92.44	3,512
2007-12-19	N/A	Gas Income Fund X-a Lp	Purchase	30	10.73	321
2007-12-19	N/A	Southwest Royalties Institutional Income Fund X-b	Purchase	48	159.62	7,661
2007-12-19	N/A	Gas Income Fund X-b Lp	Purchase	30	89.71	2,691
2007-12-19	N/A	Southwest Royalties Institutional Income Fund X-a	Purchase	36	34.77	1,251
2007-12-19	N/A	Southwest Royalties Inc Income Fund Vi	Purchase	33	302.31	9,976
2007-12-19	N/A	Southwest Royalties Inc Income Fund V	Purchase	14	161.59	2,262
2007-09-27	N/A	Southwest Royalties Inc Income Fund V	Purchase	4	167.23	668
2007-09-27	N/A	Gas Income Fund Vii A L P	Purchase	70	148.37	10,385
2007-09-27	N/A	Southwest Royalties Institutional Income Fund Vii-	Purchase	20	246.39	4,927
2007-09-27	N/A	Gas Income Fund Viii-a L P	Purchase	12	330.29	3,963
2007-09-27	N/A	Southwest Royalties Institutional Income Fund Viii	Purchase	9	481.23	4,331
2007-09-27	N/A	Southwest Royalties Inc Income Fund Vi	Purchase	73	314.28	22,942
2007-09-27	N/A	Gas Income Fund X-a Lp	Purchase	16	13.95	223
2007-09-27	N/A	Gas Income Fund Ix-a Lp	Purchase	46	106.47	4,897
2007-09-27	N/A	Southwest Royalties Institutional Income Fund X-c	Purchase	5	77.00	385
2007-09-27	N/A	Southwest Royalties Institutional Income Fund X-b	Purchase	23	154.60	3,555
2007-09-27	N/A	Gas Income Fund X-b Lp	Purchase	1	97.96	97
2007-09-27	N/A	Southwest Royalties Institutional Income Fund X-a	Purchase	20	36.76	735
2007-09-27	N/A	Southwest Royalties Institutional Income Fund Ix-b	Purchase	24	117.42	2,818
2007-06-29	N/A	Southwest Royalties Inc Income Fund V	Purchase	143	170.30	24,352
2007-06-29	N/A	Southwest Royalties Inc Income Fund Vi	Purchase	100	325.81	32,581
2007-06-29	N/A	Gas Income Fund Vii A L P	Purchase	169	157.01	26,534
2007-06-29	N/A	Southwest Royalties Institutional Income Fund Vii-	Purchase	147	258.88	38,055
2007-06-29	N/A	Southwest Royalties Institutional Income Fund Viii	Purchase	257	499.70	128,422
2007-06-29	N/A	Gas Income Fund Viii-a L P	Purchase	199	350.42	69,733
2007-06-29	N/A	Gas Income Fund Ix-a Lp	Purchase	88	115.08	10,127
2007-06-29	N/A	Southwest Royalties Institutional Income Fund Ix-b	Purchase	287	129.92	37,287
2007-06-29	N/A	Gas Income Fund X-a Lp	Purchase	37	28.96	1,071
2007-06-26	N/A	Southwest Royalties Institutional Income Fund X-a	Purchase	201	53.64	10,781
2007-06-29	N/A	Gas Income Fund X-b Lp	Purchase	50	118.58	5,929
2007-06-29	N/A	Southwest Royalties Institutional Income Fund X-b	Purchase	15	169.66	2,544
2007-06-29	N/A	Southwest Royalties Institutional Income Fund X-c	Purchase	44	116.44	5,123
2007-03-19	N/A	Southwest Royalties Institutional Income Fund X-b	Purchase	29	175.68	5,094
2007-03-19	N/A	Gas Income Fund X-b Lp	Purchase	10	128.89	1,288
2007-03-19	N/A	Southwest Royalties Institutional Income Fund X-a	Purchase	52	65.56	3,409
2007-03-19	N/A	Gas Income Fund X-a Lp	Purchase	30	38.62	1,158
2007-03-19	N/A	Southwest Royalties Institutional Income Fund Ix-b	Purchase	14	136.16	1,906
2007-03-19	N/A	Gas Income Fund Ix-a Lp	Purchase	20	121.53	2,430
2006-12-15	N/A	Southwest Royalties Institutional Income Fund X-b	Purchase	50	175.68	8,784
2006-12-15	N/A	Gas Income Fund X-b Lp	Purchase	6	134.05	804
2006-12-15	N/A	Southwest Royalties Institutional Income Fund X-a	Purchase	62	81.46	5,050
2006-12-15	N/A	Gas Income Fund X-a Lp	Purchase	66	54.71	3,610
2006-12-15	N/A	Southwest Royalties Institutional Income Fund Ix-b	Purchase	10	146.15	1,461
2006-12-15	N/A	Gas Income Fund Ix-a Lp	Purchase	10	136.59	1,365
2006-12-15	N/A	Southwest Royalties Institutional Income Fund Vii-	Purchase	17	285.44	4,852
2006-12-15	N/A	Southwest Royalties Inc Income Fund Vi	Purchase	4	682.08	2,728
2006-12-15	N/A	Southwest Royalties Inc Income Fund V	Purchase	14	298.43	4,178
2006-12-15	N/A	Southwest Royalties Institutional Income Fund X-c	Purchase	41	197.20	8,085
2006-09-22	N/A	Southwest Royalties Institutional Income Fund X-b	Purchase	89	165.65	14,742
2006-09-22	N/A	Southwest Royalties Institutional Income Fund X-a	Purchase	16	86.43	1,382
2006-09-22	N/A	Gas Income Fund X-a Lp	Purchase	4	62.22	248
2006-09-22	N/A	Southwest Royalties Institutional Income Fund Ix-b	Purchase	12	139.91	1,678
2006-09-22	N/A	Southwest Royalties Institutional Income Fund Vii-	Purchase	20	297.73	5,954
2006-09-22	N/A	Southwest Royalties Inc Income Fund Vi	Purchase	5	697.69	3,488
2006-09-22	N/A	Southwest Royalties Inc Income Fund V	Purchase	10	302.97	3,029
2006-06-30	N/A	Gas Income Fund Viii-a L P	Purchase	236	508.92	120,105
2006-06-30	N/A	Southwest Royalties Institutional Income Fund Vii-	Purchase	243	310.09	75,351
2006-06-30	N/A	Gas Income Fund Vii A L P	Purchase	496	254.08	126,023
2006-06-30	N/A	Southwest Royalties Inc Income Fund Vi	Purchase	537	713.62	383,213
2006-06-30	N/A	Southwest Royalties Inc Income Fund V	Purchase	176	312.62	55,021
2006-06-30	N/A	Southwest Royalties Institutional Income Fund Viii	Purchase	344	692.47	238,209
2006-06-30	N/A	Gas Income Fund Ix-a Lp	Purchase	14	140.88	1,972
2006-06-30	N/A	Southwest Royalties Institutional Income Fund Ix-b	Purchase	100	146.16	14,616
2006-06-30	N/A	Southwest Royalties Institutional Income Fund X-a	Purchase	80	76.50	6,120
2006-06-30	N/A	Gas Income Fund X-a Lp	Purchase	4	57.93	231
2006-06-30	N/A	Gas Income Fund X-b Lp	Purchase	12	106.20	1,274
2006-06-30	N/A	Southwest Royalties Institutional Income Fund X-b	Purchase	12	145.56	1,746
2006-06-30	N/A	Southwest Royalties Institutional Income Fund X-c	Purchase	46	189.66	8,724
2006-03-31	N/A	Gas Income Fund Ix-a Lp	Purchase	40	146.27	5,850
2006-03-31	N/A	Southwest Royalties Institutional Income Fund Ix-b	Purchase	90	149.90	13,491
2006-03-31	N/A	Gas Income Fund X-a Lp	Purchase	20	51.49	1,029
2006-03-31	N/A	Southwest Royalties Institutional Income Fund X-a	Purchase	83	67.55	5,606
2006-03-31	N/A	Gas Income Fund X-b Lp	Purchase	20	96.93	1,938
2006-03-31	N/A	Southwest Royalties Institutional Income Fund X-b	Purchase	79	145.57	11,500
2006-03-31	N/A	Southwest Royalties Institutional Income Fund X-c	Purchase	13	174.67	2,270
2005-12-21	N/A	Gas Income Fund Ix-a Lp	Purchase	20	141.99	2,839
2005-12-21	N/A	Southwest Royalties Institutional Income Fund X-a	Purchase	100	57.62	5,762
2005-12-21	EDGAR@05	Gas Income Fund X-b Lp	Purchase	34	102.08	3,470
2005-12-21	N/A	Southwest Royalties Institutional Income Fund X-b	Purchase	6	150.59	903
2005-09-30	N/A	Gas Income Fund Vii A L P	Purchase	311	285.94	88,927
2005-09-30	N/A	Southwest Royalties Institutional Income Fund Vii-	Purchase	625	373.74	233,587
2005-09-30	N/A	Gas Income Fund Viii-a L P	Purchase	641	320.30	205,312
2005-09-30	N/A	Southwest Royalties Institutional Income Fund Viii	Purchase	564	434.50	245,058
2005-09-30	N/A	Gas Income Fund Ix-a Lp	Purchase	91	126.94	11,551
2005-09-30	N/A	Southwest Royalties Institutional Income Fund Ix-b	Purchase	65	123.54	8,030
2005-09-30	N/A	Gas Income Fund X-a Lp	Purchase	50	33.26	1,663
2005-09-30	N/A	Southwest Royalties Institutional Income Fund X-a	Purchase	21	38.48	808
2005-09-30	N/A	Gas Income Fund X-b Lp	Purchase	30	89.71	2,691
2005-09-30	N/A	Southwest Royalties Institutional Income Fund X-b	Purchase	47	110.04	5,171
2005-09-30	N/A	Southwest Royalties Institutional Income Fund X-c	Purchase	58	125.84	7,298
2005-09-30	N/A	Southwest Royalties Inc Income Fund V	Purchase	263	215.25	56,610
2005-09-30	N/A	Southwest Royalties Inc Income Fund Vi	Purchase	832	528.18	439,445
2005-06-21	N/A	Southwest Royalties Institutional Income Fund X-c	Purchase	5	114.57	572
2005-06-21	N/A	Gas Income Fund X-b Lp	Purchase	75	84.55	6,341
2005-06-21	N/A	Southwest Royalties Institutional Income Fund X-a	Purchase	110	43.00	4,730
2005-06-21	N/A	Gas Income Fund X-a Lp	Purchase	16	22.53	360
2005-06-21	N/A	Southwest Royalties Institutional Income Fund Ix-b	Purchase	14	114.92	1,608
2005-06-21	N/A	Gas Income Fund Ix-a Lp	Purchase	10	110.78	1,107
2005-05-13	N/A	Southwest Royalties Institutional Income Fund X-a	Purchase	4	32.78	131
2005-04-29	N/A	Southwest Royalties Institutional Income Fund X-a	Purchase	25	32.78	819
2005-04-29	N/A	Gas Income Fund X-a Lp	Purchase	25	22.53	563
2005-04-29	N/A	Southwest Royalties Institutional Income Fund Ix-b	Purchase	25	114.92	2,873
2005-04-05	N/A	Southwest Royalties Institutional Income Fund X-a	Purchase	4	29.80	119
2005-03-30	N/A	Southwest Royalties Institutional Income Fund X-b	Purchase	70	74.31	5,201
2005-03-30	N/A	Gas Income Fund X-b Lp	Purchase	10	72.76	727
2005-03-30	N/A	Southwest Royalties Institutional Income Fund X-a	Purchase	16	29.80	476
2005-03-30	N/A	Gas Income Fund X-a Lp	Purchase	70	13.95	976
2005-03-30	N/A	Gas Income Fund Ix-a Lp	Purchase	10	98.95	989
2005-03-30	N/A	Southwest Royalties Institutional Income Fund Viii	Purchase	34	334.73	11,380
2005-03-30	N/A	Gas Income Fund Viii-a L P	Purchase	10	234.22	2,342
2005-03-30	N/A	Southwest Royalties Institutional Income Fund Ix-b	Purchase	62	108.03	6,697
2005-03-30	N/A	Southwest Royalties Inc Income Fund V	Purchase	67	132.41	8,871
2005-03-30	N/A	Southwest Royalties Inc Income Fund Vi	Purchase	20	460.54	9,210
2005-03-30	N/A	Gas Income Fund Vii A L P	Purchase	20	203.15	4,063
2005-03-30	N/A	Southwest Royalties Institutional Income Fund Vii-	Purchase	12	239.11	2,869
2005-03-15	N/A	Southwest Royalties Inc Income Fund V	Purchase	2	132.41	264
2005-03-15	N/A	Gas Income Fund Viii-a L P	Purchase	10	234.22	2,342
2005-03-15	N/A	Southwest Royalties Institutional Income Fund X-a	Purchase	29	29.80	864
2005-03-15	N/A	Southwest Royalties Institutional Income Fund X-b	Purchase	62	74.31	4,607

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Clayton Williams Energy Inc /de (10% Owner of Southwest Royalties Institutional Income Fund Vii- at the time of this reporting) see the Securities and Exchange Commission (SEC) website.